Updated ImGui.

3rdparty/dear-imgui/imgui.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.91.4
+// dear imgui, v1.91.7 WIP
 // (main code and documentation)
 
 // Help:
@@ -174,7 +174,6 @@ CODE
       - Set 'io.BackendFlags |= ImGuiBackendFlags_HasGamepad' + call io.AddKeyEvent/AddKeyAnalogEvent() with ImGuiKey_Gamepad_XXX keys.
       - For analog values (0.0f to 1.0f), backend is responsible to handling a dead-zone and rescaling inputs accordingly.
         Backend code will probably need to transform your raw inputs (such as e.g. remapping your 0.2..0.9 raw input range to 0.0..1.0 imgui range, etc.).
-      - BEFORE 1.87, BACKENDS USED TO WRITE TO io.NavInputs[]. This is now obsolete. Please call io functions instead!
    - If you need to share inputs between your game and the Dear ImGui interface, the easiest approach is to go all-or-nothing,
      with a buttons combo to toggle the target. Please reach out if you think the game vs navigation input sharing could be improved.
 
@@ -430,6 +429,21 @@ CODE
  When you are not sure about an old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files.
  You can read releases logs https://github.com/ocornut/imgui/releases for more details.
 
+ - 2024/11/27 (1.91.6) - changed CRC32 table from CRC32-adler to CRC32c polynomial in order to be compatible with the result of SSE 4.2 instructions.
+                         As a result, old .ini data may be partially lost (docking and tables information particularly).
+                         Because some users have crafted and storing .ini data as a way to workaround limitations of the docking API, we are providing a '#define IMGUI_USE_LEGACY_CRC32_ADLER' compile-time option to keep using old CRC32 tables if you cannot afford invalidating old .ini data.
+ - 2024/11/06 (1.91.5) - commented/obsoleted out pre-1.87 IO system (equivalent to using IMGUI_DISABLE_OBSOLETE_KEYIO or IMGUI_DISABLE_OBSOLETE_FUNCTIONS before)
+                            - io.KeyMap[] and io.KeysDown[] are removed (obsoleted February 2022).
+                            - io.NavInputs[] and ImGuiNavInput are removed (obsoleted July 2022).
+                            - pre-1.87 backends are not supported:
+                               - backends need to call io.AddKeyEvent(), io.AddMouseEvent() instead of writing to io.KeysDown[], io.MouseDown[] fields.
+                               - backends need to call io.AddKeyAnalogEvent() for gamepad values instead of writing to io.NavInputs[] fields.
+                            - for more reference:
+                              - read 1.87 and 1.88 part of this section or read Changelog for 1.87 and 1.88.
+                              - read https://github.com/ocornut/imgui/issues/4921
+                            - if you have trouble updating a very old codebase using legacy backend-specific key codes: consider updating to 1.91.4 first, then #define IMGUI_DISABLE_OBSOLETE_KEYIO, then update to latest.
+                       - obsoleted ImGuiKey_COUNT (it is unusually error-prone/misleading since valid keys don't start at 0). probably use ImGuiKey_NamedKey_BEGIN/ImGuiKey_NamedKey_END?
+                       - fonts: removed const qualifiers from most font functions in prevision for upcoming font improvements.
  - 2024/10/18 (1.91.4) - renamed ImGuiCol_NavHighlight to ImGuiCol_NavCursor (for consistency with newly exposed and reworked features). Kept inline redirection enum (will obsolete).
  - 2024/10/14 (1.91.4) - moved ImGuiConfigFlags_NavEnableSetMousePos to standalone io.ConfigNavMoveSetMousePos bool.
                          moved ImGuiConfigFlags_NavNoCaptureKeyboard to standalone io.ConfigNavCaptureKeyboard bool (note the inverted value!).
@@ -1081,7 +1095,7 @@ CODE
 #else
 #include <windows.h>
 #endif
-#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP || WINAPI_FAMILY == WINAPI_FAMILY_GAMES)
+#if defined(WINAPI_FAMILY) && ((defined(WINAPI_FAMILY_APP) && WINAPI_FAMILY == WINAPI_FAMILY_APP) || (defined(WINAPI_FAMILY_GAMES) && WINAPI_FAMILY == WINAPI_FAMILY_GAMES))
 // The UWP and GDK Win32 API subsets don't support clipboard nor IME functions
 #define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS
 #define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS
@@ -1126,17 +1140,20 @@ CODE
 #pragma clang diagnostic ignored "-Wdouble-promotion"               // warning: implicit conversion from 'float' to 'double' when passing argument to function  // using printf() is a misery with this as C++ va_arg ellipsis changes float to double.
 #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"  // warning: implicit conversion from 'xxx' to 'float' may lose precision
 #pragma clang diagnostic ignored "-Wunsafe-buffer-usage"            // warning: 'xxx' is an unsafe pointer used for buffer access
+#pragma clang diagnostic ignored "-Wnontrivial-memaccess"           // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type
 #elif defined(__GNUC__)
 // We disable -Wpragmas because GCC doesn't provide a has_warning equivalent and some forks/patches may not follow the warning/version association.
-#pragma GCC diagnostic ignored "-Wpragmas"                  // warning: unknown option after '#pragma GCC diagnostic' kind
-#pragma GCC diagnostic ignored "-Wunused-function"          // warning: 'xxxx' defined but not used
-#pragma GCC diagnostic ignored "-Wint-to-pointer-cast"      // warning: cast to pointer from integer of different size
-#pragma GCC diagnostic ignored "-Wformat"                   // warning: format '%p' expects argument of type 'void*', but argument 6 has type 'ImGuiWindow*'
-#pragma GCC diagnostic ignored "-Wdouble-promotion"         // warning: implicit conversion from 'float' to 'double' when passing argument to function
-#pragma GCC diagnostic ignored "-Wconversion"               // warning: conversion to 'xxxx' from 'xxxx' may alter its value
-#pragma GCC diagnostic ignored "-Wformat-nonliteral"        // warning: format not a string literal, format string not checked
-#pragma GCC diagnostic ignored "-Wstrict-overflow"          // warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false
-#pragma GCC diagnostic ignored "-Wclass-memaccess"          // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#pragma GCC diagnostic ignored "-Wpragmas"                          // warning: unknown option after '#pragma GCC diagnostic' kind
+#pragma GCC diagnostic ignored "-Wunused-function"                  // warning: 'xxxx' defined but not used
+#pragma GCC diagnostic ignored "-Wint-to-pointer-cast"              // warning: cast to pointer from integer of different size
+#pragma GCC diagnostic ignored "-Wfloat-equal"                      // warning: comparing floating-point with '==' or '!=' is unsafe
+#pragma GCC diagnostic ignored "-Wformat"                           // warning: format '%p' expects argument of type 'int'/'void*', but argument X has type 'unsigned int'/'ImGuiWindow*'
+#pragma GCC diagnostic ignored "-Wdouble-promotion"                 // warning: implicit conversion from 'float' to 'double' when passing argument to function
+#pragma GCC diagnostic ignored "-Wconversion"                       // warning: conversion to 'xxxx' from 'xxxx' may alter its value
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"                // warning: format not a string literal, format string not checked
+#pragma GCC diagnostic ignored "-Wstrict-overflow"                  // warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false
+#pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#pragma GCC diagnostic ignored "-Wcast-qual"                        // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
 #endif
 
 // Debug options
@@ -1212,9 +1229,11 @@ static int              FindWindowFocusIndex(ImGuiWindow* window);
 // Error Checking and Debug Tools
 static void             ErrorCheckNewFrameSanityChecks();
 static void             ErrorCheckEndFrameSanityChecks();
+#ifndef IMGUI_DISABLE_DEBUG_TOOLS
 static void             UpdateDebugToolItemPicker();
 static void             UpdateDebugToolStackQueries();
 static void             UpdateDebugToolFlashStyleColor();
+#endif
 
 // Inputs
 static void             UpdateKeyboardInputs();
@@ -1390,10 +1409,6 @@ ImGuiIO::ImGuiIO()
     IniSavingRate = 5.0f;
     IniFilename = "imgui.ini"; // Important: "imgui.ini" is relative to current working dir, most apps will want to lock this to an absolute path (e.g. same path as executables).
     LogFilename = "imgui_log.txt";
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    for (int i = 0; i < ImGuiKey_COUNT; i++)
-        KeyMap[i] = -1;
-#endif
     UserData = NULL;
 
     Fonts = NULL;
@@ -1424,6 +1439,7 @@ ImGuiIO::ImGuiIO()
     ConfigDragClickToInputText = false;
     ConfigWindowsResizeFromEdges = true;
     ConfigWindowsMoveFromTitleBarOnly = false;
+    ConfigWindowsCopyContentsWithCtrlC = false;
     ConfigScrollbarScrollByPage = true;
     ConfigMemoryCompactTimer = 60.0f;
     ConfigDebugIsDebuggerPresent = false;
@@ -1455,8 +1471,6 @@ ImGuiIO::ImGuiIO()
     for (int i = 0; i < IM_ARRAYSIZE(MouseDownDuration); i++) MouseDownDuration[i] = MouseDownDurationPrev[i] = -1.0f;
     for (int i = 0; i < IM_ARRAYSIZE(KeysData); i++) { KeysData[i].DownDuration = KeysData[i].DownDurationPrev = -1.0f; }
     AppAcceptingEvents = true;
-    BackendUsingLegacyKeyArrays = (ImS8)-1;
-    BackendUsingLegacyNavInputArray = true; // assume using legacy array until proven wrong
 }
 
 // Pass in translated ASCII characters for text input.
@@ -1537,16 +1551,15 @@ void ImGuiIO::ClearEventsQueue()
 // Clear current keyboard/gamepad state + current frame text input buffer. Equivalent to releasing all keys/buttons.
 void ImGuiIO::ClearInputKeys()
 {
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    memset(KeysDown, 0, sizeof(KeysDown));
-#endif
-    for (int n = 0; n < IM_ARRAYSIZE(KeysData); n++)
+    ImGuiContext& g = *Ctx;
+    for (int key = ImGuiKey_NamedKey_BEGIN; key < ImGuiKey_NamedKey_END; key++)
     {
-        if (ImGui::IsMouseKey((ImGuiKey)(n + ImGuiKey_KeysData_OFFSET)))
+        if (ImGui::IsMouseKey((ImGuiKey)key))
             continue;
-        KeysData[n].Down             = false;
-        KeysData[n].DownDuration     = -1.0f;
-        KeysData[n].DownDurationPrev = -1.0f;
+        ImGuiKeyData* key_data = &g.IO.KeysData[key - ImGuiKey_NamedKey_BEGIN];
+        key_data->Down = false;
+        key_data->DownDuration = -1.0f;
+        key_data->DownDurationPrev = -1.0f;
     }
     KeyCtrl = KeyShift = KeyAlt = KeySuper = false;
     KeyMods = ImGuiMod_None;
@@ -1557,7 +1570,7 @@ void ImGuiIO::ClearInputMouse()
 {
     for (ImGuiKey key = ImGuiKey_Mouse_BEGIN; key < ImGuiKey_Mouse_END; key = (ImGuiKey)(key + 1))
     {
-        ImGuiKeyData* key_data = &KeysData[key - ImGuiKey_KeysData_OFFSET];
+        ImGuiKeyData* key_data = &KeysData[key - ImGuiKey_NamedKey_BEGIN];
         key_data->Down = false;
         key_data->DownDuration = -1.0f;
         key_data->DownDurationPrev = -1.0f;
@@ -1624,17 +1637,6 @@ void ImGuiIO::AddKeyAnalogEvent(ImGuiKey key, bool down, float analog_value)
         else if (key == ImGuiKey_RightCtrl) { key = ImGuiKey_RightSuper; }
     }
 
-    // Verify that backend isn't mixing up using new io.AddKeyEvent() api and old io.KeysDown[] + io.KeyMap[] data.
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    IM_ASSERT((BackendUsingLegacyKeyArrays == -1 || BackendUsingLegacyKeyArrays == 0) && "Backend needs to either only use io.AddKeyEvent(), either only fill legacy io.KeysDown[] + io.KeyMap[]. Not both!");
-    if (BackendUsingLegacyKeyArrays == -1)
-        for (int n = ImGuiKey_NamedKey_BEGIN; n < ImGuiKey_NamedKey_END; n++)
-            IM_ASSERT(KeyMap[n] == -1 && "Backend needs to either only use io.AddKeyEvent(), either only fill legacy io.KeysDown[] + io.KeyMap[]. Not both!");
-    BackendUsingLegacyKeyArrays = 0;
-#endif
-    if (ImGui::IsGamepadKey(key))
-        BackendUsingLegacyNavInputArray = false;
-
     // Filter duplicate (in particular: key mods and gamepad analog values are commonly spammed)
     const ImGuiInputEvent* latest_event = FindLatestInputEvent(&g, ImGuiInputEventType_Key, (int)key);
     const ImGuiKeyData* key_data = ImGui::GetKeyData(&g, key);
@@ -1670,20 +1672,10 @@ void ImGuiIO::SetKeyEventNativeData(ImGuiKey key, int native_keycode, int native
         return;
     IM_ASSERT(ImGui::IsNamedKey(key)); // >= 512
     IM_ASSERT(native_legacy_index == -1 || ImGui::IsLegacyKey((ImGuiKey)native_legacy_index)); // >= 0 && <= 511
-    IM_UNUSED(native_keycode);  // Yet unused
-    IM_UNUSED(native_scancode); // Yet unused
-
-    // Build native->imgui map so old user code can still call key functions with native 0..511 values.
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    const int legacy_key = (native_legacy_index != -1) ? native_legacy_index : native_keycode;
-    if (!ImGui::IsLegacyKey((ImGuiKey)legacy_key))
-        return;
-    KeyMap[legacy_key] = key;
-    KeyMap[key] = legacy_key;
-#else
-    IM_UNUSED(key);
-    IM_UNUSED(native_legacy_index);
-#endif
+    IM_UNUSED(key);                 // Yet unused
+    IM_UNUSED(native_keycode);      // Yet unused
+    IM_UNUSED(native_scancode);     // Yet unused
+    IM_UNUSED(native_legacy_index); // Yet unused
 }
 
 // Set master flag for accepting key/mouse/text events (default to true). Useful if you have native dialog boxes that are interrupting your application loop/refresh, and you want to disable events being queued while your app is frozen.
@@ -2164,11 +2156,14 @@ void ImFormatStringToTempBufferV(const char** out_buf, const char** out_buf_end,
     }
 }
 
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
 // CRC32 needs a 1KB lookup table (not cache friendly)
 // Although the code to generate the table is simple and shorter than the table itself, using a const table allows us to easily:
 // - avoid an unnecessary branch/memory tap, - keep the ImHashXXX functions usable by static constructors, - make it thread-safe.
 static const ImU32 GCrc32LookupTable[256] =
 {
+#ifdef IMGUI_USE_LEGACY_CRC32_ADLER
+    // Legacy CRC32-adler table used pre 1.91.6 (before 2024/11/27). Only use if you cannot afford invalidating old .ini data.
     0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91,
     0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,
     0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59,
@@ -2185,7 +2180,27 @@ static const ImU32 GCrc32LookupTable[256] =
     0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45,
     0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB,0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9,
     0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF,0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D,
+#else
+    // CRC32c table compatible with SSE 4.2 instructions
+    0x00000000,0xF26B8303,0xE13B70F7,0x1350F3F4,0xC79A971F,0x35F1141C,0x26A1E7E8,0xD4CA64EB,0x8AD958CF,0x78B2DBCC,0x6BE22838,0x9989AB3B,0x4D43CFD0,0xBF284CD3,0xAC78BF27,0x5E133C24,
+    0x105EC76F,0xE235446C,0xF165B798,0x030E349B,0xD7C45070,0x25AFD373,0x36FF2087,0xC494A384,0x9A879FA0,0x68EC1CA3,0x7BBCEF57,0x89D76C54,0x5D1D08BF,0xAF768BBC,0xBC267848,0x4E4DFB4B,
+    0x20BD8EDE,0xD2D60DDD,0xC186FE29,0x33ED7D2A,0xE72719C1,0x154C9AC2,0x061C6936,0xF477EA35,0xAA64D611,0x580F5512,0x4B5FA6E6,0xB93425E5,0x6DFE410E,0x9F95C20D,0x8CC531F9,0x7EAEB2FA,
+    0x30E349B1,0xC288CAB2,0xD1D83946,0x23B3BA45,0xF779DEAE,0x05125DAD,0x1642AE59,0xE4292D5A,0xBA3A117E,0x4851927D,0x5B016189,0xA96AE28A,0x7DA08661,0x8FCB0562,0x9C9BF696,0x6EF07595,
+    0x417B1DBC,0xB3109EBF,0xA0406D4B,0x522BEE48,0x86E18AA3,0x748A09A0,0x67DAFA54,0x95B17957,0xCBA24573,0x39C9C670,0x2A993584,0xD8F2B687,0x0C38D26C,0xFE53516F,0xED03A29B,0x1F682198,
+    0x5125DAD3,0xA34E59D0,0xB01EAA24,0x42752927,0x96BF4DCC,0x64D4CECF,0x77843D3B,0x85EFBE38,0xDBFC821C,0x2997011F,0x3AC7F2EB,0xC8AC71E8,0x1C661503,0xEE0D9600,0xFD5D65F4,0x0F36E6F7,
+    0x61C69362,0x93AD1061,0x80FDE395,0x72966096,0xA65C047D,0x5437877E,0x4767748A,0xB50CF789,0xEB1FCBAD,0x197448AE,0x0A24BB5A,0xF84F3859,0x2C855CB2,0xDEEEDFB1,0xCDBE2C45,0x3FD5AF46,
+    0x7198540D,0x83F3D70E,0x90A324FA,0x62C8A7F9,0xB602C312,0x44694011,0x5739B3E5,0xA55230E6,0xFB410CC2,0x092A8FC1,0x1A7A7C35,0xE811FF36,0x3CDB9BDD,0xCEB018DE,0xDDE0EB2A,0x2F8B6829,
+    0x82F63B78,0x709DB87B,0x63CD4B8F,0x91A6C88C,0x456CAC67,0xB7072F64,0xA457DC90,0x563C5F93,0x082F63B7,0xFA44E0B4,0xE9141340,0x1B7F9043,0xCFB5F4A8,0x3DDE77AB,0x2E8E845F,0xDCE5075C,
+    0x92A8FC17,0x60C37F14,0x73938CE0,0x81F80FE3,0x55326B08,0xA759E80B,0xB4091BFF,0x466298FC,0x1871A4D8,0xEA1A27DB,0xF94AD42F,0x0B21572C,0xDFEB33C7,0x2D80B0C4,0x3ED04330,0xCCBBC033,
+    0xA24BB5A6,0x502036A5,0x4370C551,0xB11B4652,0x65D122B9,0x97BAA1BA,0x84EA524E,0x7681D14D,0x2892ED69,0xDAF96E6A,0xC9A99D9E,0x3BC21E9D,0xEF087A76,0x1D63F975,0x0E330A81,0xFC588982,
+    0xB21572C9,0x407EF1CA,0x532E023E,0xA145813D,0x758FE5D6,0x87E466D5,0x94B49521,0x66DF1622,0x38CC2A06,0xCAA7A905,0xD9F75AF1,0x2B9CD9F2,0xFF56BD19,0x0D3D3E1A,0x1E6DCDEE,0xEC064EED,
+    0xC38D26C4,0x31E6A5C7,0x22B65633,0xD0DDD530,0x0417B1DB,0xF67C32D8,0xE52CC12C,0x1747422F,0x49547E0B,0xBB3FFD08,0xA86F0EFC,0x5A048DFF,0x8ECEE914,0x7CA56A17,0x6FF599E3,0x9D9E1AE0,
+    0xD3D3E1AB,0x21B862A8,0x32E8915C,0xC083125F,0x144976B4,0xE622F5B7,0xF5720643,0x07198540,0x590AB964,0xAB613A67,0xB831C993,0x4A5A4A90,0x9E902E7B,0x6CFBAD78,0x7FAB5E8C,0x8DC0DD8F,
+    0xE330A81A,0x115B2B19,0x020BD8ED,0xF0605BEE,0x24AA3F05,0xD6C1BC06,0xC5914FF2,0x37FACCF1,0x69E9F0D5,0x9B8273D6,0x88D28022,0x7AB90321,0xAE7367CA,0x5C18E4C9,0x4F48173D,0xBD23943E,
+    0xF36E6F75,0x0105EC76,0x12551F82,0xE03E9C81,0x34F4F86A,0xC69F7B69,0xD5CF889D,0x27A40B9E,0x79B737BA,0x8BDCB4B9,0x988C474D,0x6AE7C44E,0xBE2DA0A5,0x4C4623A6,0x5F16D052,0xAD7D5351
+#endif
 };
+#endif
 
 // Known size hash
 // It is ok to call ImHashData on a string with known length but the ### operator won't be supported.
@@ -2194,10 +2209,22 @@ ImGuiID ImHashData(const void* data_p, size_t data_size, ImGuiID seed)
 {
     ImU32 crc = ~seed;
     const unsigned char* data = (const unsigned char*)data_p;
+    const unsigned char *data_end = (const unsigned char*)data_p + data_size;
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
     const ImU32* crc32_lut = GCrc32LookupTable;
-    while (data_size-- != 0)
+    while (data < data_end)
         crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ *data++];
     return ~crc;
+#else
+    while (data + 4 <= data_end)
+    {
+        crc = _mm_crc32_u32(crc, *(ImU32*)data);
+        data += 4;
+    }
+    while (data < data_end)
+        crc = _mm_crc32_u8(crc, *data++);
+    return ~crc;
+#endif
 }
 
 // Zero-terminated string hash, with support for ### to reset back to seed value
@@ -2211,7 +2238,9 @@ ImGuiID ImHashStr(const char* data_p, size_t data_size, ImGuiID seed)
     seed = ~seed;
     ImU32 crc = seed;
     const unsigned char* data = (const unsigned char*)data_p;
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
     const ImU32* crc32_lut = GCrc32LookupTable;
+#endif
     if (data_size != 0)
     {
         while (data_size-- != 0)
@@ -2219,7 +2248,11 @@ ImGuiID ImHashStr(const char* data_p, size_t data_size, ImGuiID seed)
             unsigned char c = *data++;
             if (c == '#' && data_size >= 2 && data[0] == '#' && data[1] == '#')
                 crc = seed;
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
             crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c];
+#else
+            crc = _mm_crc32_u8(crc, c);
+#endif
         }
     }
     else
@@ -2228,7 +2261,11 @@ ImGuiID ImHashStr(const char* data_p, size_t data_size, ImGuiID seed)
         {
             if (c == '#' && data[0] == '#' && data[1] == '#')
                 crc = seed;
+#ifndef IMGUI_ENABLE_SSE4_2_CRC
             crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c];
+#else
+            crc = _mm_crc32_u8(crc, c);
+#endif
         }
     }
     return ~crc;
@@ -3639,7 +3676,7 @@ void ImGui::RenderTextEllipsis(ImDrawList* draw_list, const ImVec2& pos_min, con
         // min   max   ellipsis_max
         //          <-> this is generally some padding value
 
-        const ImFont* font = draw_list->_Data->Font;
+        ImFont* font = draw_list->_Data->Font;
         const float font_size = draw_list->_Data->FontSize;
         const float font_scale = draw_list->_Data->FontScale;
         const char* text_end_ellipsis = NULL;
@@ -3849,7 +3886,8 @@ ImGuiContext::ImGuiContext(ImFontAtlas* shared_font_atlas)
     Time = 0.0f;
     FrameCount = 0;
     FrameCountEnded = FrameCountRendered = -1;
-    WithinFrameScope = WithinFrameScopeWithImplicitWindow = WithinEndChild = false;
+    WithinEndChildID = 0;
+    WithinFrameScope = WithinFrameScopeWithImplicitWindow = false;
     GcCompactAll = false;
     TestEngineHookItems = false;
     TestEngine = NULL;
@@ -3894,6 +3932,7 @@ ImGuiContext::ImGuiContext(ImFontAtlas* shared_font_atlas)
     ActiveIdPreviousFrameIsAlive = false;
     ActiveIdPreviousFrameHasBeenEditedBefore = false;
     ActiveIdPreviousFrameWindow = NULL;
+    memset(&ActiveIdValueOnActivation, 0, sizeof(ActiveIdValueOnActivation));
     LastActiveId = 0;
     LastActiveIdTimer = 0.0f;
 
@@ -4009,7 +4048,8 @@ ImGuiContext::ImGuiContext(ImFontAtlas* shared_font_atlas)
     memset(LocalizationTable, 0, sizeof(LocalizationTable));
 
     LogEnabled = false;
-    LogType = ImGuiLogType_None;
+    LogFlags = ImGuiLogFlags_None;
+    LogWindow = NULL;
     LogNextPrefix = LogNextSuffix = NULL;
     LogFile = NULL;
     LogLinePosY = FLT_MAX;
@@ -4240,8 +4280,8 @@ ImGuiWindow::ImGuiWindow(ImGuiContext* ctx, const char* name) : DrawListInst(NUL
     FontWindowScale = 1.0f;
     SettingsOffset = -1;
     DrawList = &DrawListInst;
-    DrawList->_Data = &Ctx->DrawListSharedData;
     DrawList->_OwnerName = Name;
+    DrawList->_Data = &Ctx->DrawListSharedData;
     NavPreferredScoringPosRel[0] = NavPreferredScoringPosRel[1] = ImVec2(FLT_MAX, FLT_MAX);
 }
 
@@ -4321,7 +4361,7 @@ void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window)
 
         // This could be written in a more general way (e.g associate a hook to ActiveId),
         // but since this is currently quite an exception we'll leave it as is.
-        // One common scenario leading to this is: pressing Key ->NavMoveRequestApplyResult() -> ClearActiveId()
+        // One common scenario leading to this is: pressing Key ->NavMoveRequestApplyResult() -> ClearActiveID()
         if (g.InputTextState.ID == g.ActiveId)
             InputTextDeactivateHook(g.ActiveId);
     }
@@ -4714,15 +4754,15 @@ void ImGui::DebugAllocHook(ImGuiDebugAllocInfo* info, int frame_count, void* ptr
     }
     if (size != (size_t)-1)
     {
+        //printf("[%05d] MemAlloc(%d) -> 0x%p\n", frame_count, (int)size, ptr);
         entry->AllocCount++;
         info->TotalAllocCount++;
-        //printf("[%05d] MemAlloc(%d) -> 0x%p\n", frame_count, size, ptr);
     }
     else
     {
+        //printf("[%05d] MemFree(0x%p)\n", frame_count, ptr);
         entry->FreeCount++;
         info->TotalFreeCount++;
-        //printf("[%05d] MemFree(0x%p)\n", frame_count, ptr);
     }
 }
 
@@ -4750,6 +4790,13 @@ ImGuiIO& ImGui::GetIO()
     return GImGui->IO;
 }
 
+// This variant exists to facilitate backends experimenting with multi-threaded parallel context. (#8069, #6293, #5856)
+ImGuiIO& ImGui::GetIOEx(ImGuiContext* ctx)
+{
+    IM_ASSERT(ctx != NULL);
+    return ctx->IO;
+}
+
 ImGuiPlatformIO& ImGui::GetPlatformIO()
 {
     IM_ASSERT(GImGui != NULL && "No current context. Did you call ImGui::CreateContext() and ImGui::SetCurrentContext()?");
@@ -5032,7 +5079,7 @@ void ImGui::UpdateHoveredWindowAndCaptureFlags()
     io.WantTextInput = (g.WantTextInputNextFrame != -1) ? (g.WantTextInputNextFrame != 0) : false;
 }
 
-// Calling SetupDrawListSharedData() is followed by SetCurrentFont() which sets up the remaining data.
+// Called once a frame. Followed by SetCurrentFont() which sets up the remaining data.
 static void SetupDrawListSharedData()
 {
     ImGuiContext& g = *GImGui;
@@ -5795,7 +5842,7 @@ bool ImGui::IsItemDeactivatedAfterEdit()
     return IsItemDeactivated() && (g.ActiveIdPreviousFrameHasBeenEditedBefore || (g.ActiveId == 0 && g.ActiveIdHasBeenEditedBefore));
 }
 
-// == GetItemID() == GetFocusID()
+// == (GetItemID() == GetFocusID() && GetFocusID() != 0)
 bool ImGui::IsItemFocused()
 {
     ImGuiContext& g = *GImGui;
@@ -6062,10 +6109,10 @@ void ImGui::EndChild()
     ImGuiContext& g = *GImGui;
     ImGuiWindow* child_window = g.CurrentWindow;
 
-    IM_ASSERT(g.WithinEndChild == false);
+    const ImGuiID backup_within_end_child_id = g.WithinEndChildID;
     IM_ASSERT(child_window->Flags & ImGuiWindowFlags_ChildWindow);   // Mismatched BeginChild()/EndChild() calls
 
-    g.WithinEndChild = true;
+    g.WithinEndChildID = child_window->ID;
     ImVec2 child_size = child_window->Size;
     End();
     if (child_window->BeginCount == 1)
@@ -6097,7 +6144,7 @@ void ImGui::EndChild()
         if (g.HoveredWindow == child_window)
             g.LastItemData.StatusFlags |= ImGuiItemStatusFlags_HoveredWindow;
     }
-    g.WithinEndChild = false;
+    g.WithinEndChildID = backup_within_end_child_id;
     g.LogLinePosY = -FLT_MAX; // To enforce a carriage return
 }
 
@@ -6686,9 +6733,10 @@ void ImGui::RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar
     ImGuiStyle& style = g.Style;
     ImGuiWindowFlags flags = window->Flags;
 
-    // Ensure that ScrollBar doesn't read last frame's SkipItems
+    // Ensure that Scrollbar() doesn't read last frame's SkipItems
     IM_ASSERT(window->BeginCount == 0);
     window->SkipItems = false;
+    window->DC.NavLayerCurrent = ImGuiNavLayer_Menu;
 
     // Draw window + handle manual resize
     // As we highlight the title bar when want_focus is set, multiple reappearing windows will have their title bar highlighted on their reappearing frame.
@@ -6765,6 +6813,7 @@ void ImGui::RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar
         if (handle_borders_and_resize_grips)
             RenderWindowOuterBorders(window);
     }
+    window->DC.NavLayerCurrent = ImGuiNavLayer_Main;
 }
 
 // Render title text, collapse button, close button
@@ -7349,9 +7398,12 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
         {
             IM_ASSERT(window->IDStack.Size == 1);
             window->IDStack.Size = 0; // As window->IDStack[0] == window->ID here, make sure TestEngine doesn't erroneously see window as parent of itself.
+            window->DC.NavLayerCurrent = ImGuiNavLayer_Menu;
             IMGUI_TEST_ENGINE_ITEM_ADD(window->ID, window->Rect(), NULL);
             IMGUI_TEST_ENGINE_ITEM_INFO(window->ID, window->Name, (g.HoveredWindow == window) ? ImGuiItemStatusFlags_HoveredRect : 0);
             window->IDStack.Size = 1;
+            window->DC.NavLayerCurrent = ImGuiNavLayer_Main;
+
         }
 #endif
 
@@ -7581,6 +7633,13 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
         if (want_focus && window == g.NavWindow)
             NavInitWindow(window, false); // <-- this is in the way for us to be able to defer and sort reappearing FocusWindow() calls
 
+        // Pressing CTRL+C copy window content into the clipboard
+        // [EXPERIMENTAL] Breaks on nested Begin/End pairs. We need to work that out and add better logging scope.
+        // [EXPERIMENTAL] Text outputs has many issues.
+        if (g.IO.ConfigWindowsCopyContentsWithCtrlC)
+            if (g.NavWindow && g.NavWindow->RootWindow == window && g.ActiveId == 0 && Shortcut(ImGuiMod_Ctrl | ImGuiKey_C))
+                LogToClipboard(0);
+
         // Title bar
         if (!(flags & ImGuiWindowFlags_NoTitleBar))
             RenderWindowTitleBarContents(window, ImRect(title_bar_rect.Min.x + window->WindowBorderSize, title_bar_rect.Min.y, title_bar_rect.Max.x - window->WindowBorderSize, title_bar_rect.Max.y), name, p_open);
@@ -7591,16 +7650,6 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
         if (flags & ImGuiWindowFlags_Tooltip)
             g.TooltipPreviousWindow = window;
 
-        // Pressing CTRL+C while holding on a window copy its content to the clipboard
-        // This works but 1. doesn't handle multiple Begin/End pairs, 2. recursing into another Begin/End pair - so we need to work that out and add better logging scope.
-        // Maybe we can support CTRL+C on every element?
-        /*
-        //if (g.NavWindow == window && g.ActiveId == 0)
-        if (g.ActiveId == window->MoveId)
-            if (g.IO.KeyCtrl && IsKeyPressed(ImGuiKey_C))
-                LogToClipboard();
-        */
-
         // We fill last item data based on Title Bar/Tab, in order for IsItemHovered() and IsItemActive() to be usable after Begin().
         // This is useful to allow creating context menus on title bar only, etc.
         SetLastItemDataForWindow(window, title_bar_rect);
@@ -7614,7 +7663,11 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
         // [Test Engine] Register title bar / tab with MoveId.
 #ifdef IMGUI_ENABLE_TEST_ENGINE
         if (!(window->Flags & ImGuiWindowFlags_NoTitleBar))
+        {
+            window->DC.NavLayerCurrent = ImGuiNavLayer_Menu;
             IMGUI_TEST_ENGINE_ITEM_ADD(g.LastItemData.ID, g.LastItemData.Rect, &g.LastItemData);
+            window->DC.NavLayerCurrent = ImGuiNavLayer_Main;
+        }
 #endif
     }
     else
@@ -7725,7 +7778,7 @@ void ImGui::End()
 
     // Error checking: verify that user doesn't directly call End() on a child window.
     if (window->Flags & ImGuiWindowFlags_ChildWindow)
-        IM_ASSERT_USER_ERROR(g.WithinEndChild, "Must call EndChild() and not End()!");
+        IM_ASSERT_USER_ERROR(g.WithinEndChildID == window->ID, "Must call EndChild() and not End()!");
 
     // Close anything that is open
     if (window->DC.CurrentColumns)
@@ -7743,7 +7796,7 @@ void ImGui::End()
     }
 
     // Stop logging
-    if (!(window->Flags & ImGuiWindowFlags_ChildWindow))    // FIXME: add more options for scope of logging
+    if (g.LogWindow == window) // FIXME: add more options for scope of logging
         LogFinish();
 
     if (window->DC.IsSetPos)
@@ -8922,26 +8975,9 @@ ImGuiKeyData* ImGui::GetKeyData(ImGuiContext* ctx, ImGuiKey key)
     if (key & ImGuiMod_Mask_)
         key = ConvertSingleModFlagToKey(key);
 
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    IM_ASSERT(key >= ImGuiKey_LegacyNativeKey_BEGIN && key < ImGuiKey_NamedKey_END);
-    if (IsLegacyKey(key) && g.IO.KeyMap[key] != -1)
-        key = (ImGuiKey)g.IO.KeyMap[key];  // Remap native->imgui or imgui->native
-#else
     IM_ASSERT(IsNamedKey(key) && "Support for user key indices was dropped in favor of ImGuiKey. Please update backend & user code.");
-#endif
-    return &g.IO.KeysData[key - ImGuiKey_KeysData_OFFSET];
-}
-
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-// Formally moved to obsolete section in 1.90.5 in spite of documented as obsolete since 1.87
-ImGuiKey ImGui::GetKeyIndex(ImGuiKey key)
-{
-    ImGuiContext& g = *GImGui;
-    IM_ASSERT(IsNamedKey(key));
-    const ImGuiKeyData* key_data = GetKeyData(key);
-    return (ImGuiKey)(key_data - g.IO.KeysData);
+    return &g.IO.KeysData[key - ImGuiKey_NamedKey_BEGIN];
 }
-#endif
 
 // Those names a provided for debugging purpose and are not meant to be saved persistently not compared.
 static const char* const GKeyNames[] =
@@ -8974,18 +9010,7 @@ const char* ImGui::GetKeyName(ImGuiKey key)
 {
     if (key == ImGuiKey_None)
         return "None";
-#ifdef IMGUI_DISABLE_OBSOLETE_KEYIO
     IM_ASSERT(IsNamedKeyOrMod(key) && "Support for user key indices was dropped in favor of ImGuiKey. Please update backend and user code.");
-#else
-    ImGuiContext& g = *GImGui;
-    if (IsLegacyKey(key))
-    {
-        if (g.IO.KeyMap[key] == -1)
-            return "N/A";
-        IM_ASSERT(IsNamedKey((ImGuiKey)g.IO.KeyMap[key]));
-        key = (ImGuiKey)g.IO.KeyMap[key];
-    }
-#endif
     if (key & ImGuiMod_Mask_)
         key = ConvertSingleModFlagToKey(key);
     if (!IsNamedKey(key))
@@ -9629,74 +9654,6 @@ static void ImGui::UpdateKeyboardInputs()
     if (io.ConfigFlags & ImGuiConfigFlags_NoKeyboard)
         io.ClearInputKeys();
 
-    // Import legacy keys or verify they are not used
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    if (io.BackendUsingLegacyKeyArrays == 0)
-    {
-        // Backend used new io.AddKeyEvent() API: Good! Verify that old arrays are never written to externally.
-        for (int n = 0; n < ImGuiKey_LegacyNativeKey_END; n++)
-            IM_ASSERT((io.KeysDown[n] == false || IsKeyDown((ImGuiKey)n)) && "Backend needs to either only use io.AddKeyEvent(), either only fill legacy io.KeysDown[] + io.KeyMap[]. Not both!");
-    }
-    else
-    {
-        if (g.FrameCount == 0)
-            for (int n = ImGuiKey_LegacyNativeKey_BEGIN; n < ImGuiKey_LegacyNativeKey_END; n++)
-                IM_ASSERT(g.IO.KeyMap[n] == -1 && "Backend is not allowed to write to io.KeyMap[0..511]!");
-
-        // Build reverse KeyMap (Named -> Legacy)
-        for (int n = ImGuiKey_NamedKey_BEGIN; n < ImGuiKey_NamedKey_END; n++)
-            if (io.KeyMap[n] != -1)
-            {
-                IM_ASSERT(IsLegacyKey((ImGuiKey)io.KeyMap[n]));
-                io.KeyMap[io.KeyMap[n]] = n;
-            }
-
-        // Import legacy keys into new ones
-        for (int n = ImGuiKey_LegacyNativeKey_BEGIN; n < ImGuiKey_LegacyNativeKey_END; n++)
-            if (io.KeysDown[n] || io.BackendUsingLegacyKeyArrays == 1)
-            {
-                const ImGuiKey key = (ImGuiKey)(io.KeyMap[n] != -1 ? io.KeyMap[n] : n);
-                IM_ASSERT(io.KeyMap[n] == -1 || IsNamedKey(key));
-                io.KeysData[key].Down = io.KeysDown[n];
-                if (key != n)
-                    io.KeysDown[key] = io.KeysDown[n]; // Allow legacy code using io.KeysDown[GetKeyIndex()] with old backends
-                io.BackendUsingLegacyKeyArrays = 1;
-            }
-        if (io.BackendUsingLegacyKeyArrays == 1)
-        {
-            GetKeyData(ImGuiMod_Ctrl)->Down = io.KeyCtrl;
-            GetKeyData(ImGuiMod_Shift)->Down = io.KeyShift;
-            GetKeyData(ImGuiMod_Alt)->Down = io.KeyAlt;
-            GetKeyData(ImGuiMod_Super)->Down = io.KeySuper;
-        }
-    }
-#endif
-
-    // Import legacy ImGuiNavInput_ io inputs and convert to gamepad keys
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    const bool nav_gamepad_active = (io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) != 0 && (io.BackendFlags & ImGuiBackendFlags_HasGamepad) != 0;
-    if (io.BackendUsingLegacyNavInputArray && nav_gamepad_active)
-    {
-        #define MAP_LEGACY_NAV_INPUT_TO_KEY1(_KEY, _NAV1)           do { io.KeysData[_KEY].Down = (io.NavInputs[_NAV1] > 0.0f); io.KeysData[_KEY].AnalogValue = io.NavInputs[_NAV1]; } while (0)
-        #define MAP_LEGACY_NAV_INPUT_TO_KEY2(_KEY, _NAV1, _NAV2)    do { io.KeysData[_KEY].Down = (io.NavInputs[_NAV1] > 0.0f) || (io.NavInputs[_NAV2] > 0.0f); io.KeysData[_KEY].AnalogValue = ImMax(io.NavInputs[_NAV1], io.NavInputs[_NAV2]); } while (0)
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadFaceDown, ImGuiNavInput_Activate);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadFaceRight, ImGuiNavInput_Cancel);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadFaceLeft, ImGuiNavInput_Menu);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadFaceUp, ImGuiNavInput_Input);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadDpadLeft, ImGuiNavInput_DpadLeft);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadDpadRight, ImGuiNavInput_DpadRight);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadDpadUp, ImGuiNavInput_DpadUp);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadDpadDown, ImGuiNavInput_DpadDown);
-        MAP_LEGACY_NAV_INPUT_TO_KEY2(ImGuiKey_GamepadL1, ImGuiNavInput_FocusPrev, ImGuiNavInput_TweakSlow);
-        MAP_LEGACY_NAV_INPUT_TO_KEY2(ImGuiKey_GamepadR1, ImGuiNavInput_FocusNext, ImGuiNavInput_TweakFast);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadLStickLeft, ImGuiNavInput_LStickLeft);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadLStickRight, ImGuiNavInput_LStickRight);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadLStickUp, ImGuiNavInput_LStickUp);
-        MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadLStickDown, ImGuiNavInput_LStickDown);
-        #undef NAV_MAP_KEY
-    }
-#endif
-
     // Update aliases
     for (int n = 0; n < ImGuiMouseButton_COUNT; n++)
         UpdateAliasKey(MouseButtonToKey(n), io.MouseDown[n], io.MouseDown[n] ? 1.0f : 0.0f);
@@ -9720,22 +9677,21 @@ static void ImGui::UpdateKeyboardInputs()
 
     // Clear gamepad data if disabled
     if ((io.BackendFlags & ImGuiBackendFlags_HasGamepad) == 0)
-        for (int i = ImGuiKey_Gamepad_BEGIN; i < ImGuiKey_Gamepad_END; i++)
+        for (int key = ImGuiKey_Gamepad_BEGIN; key < ImGuiKey_Gamepad_END; key++)
         {
-            io.KeysData[i - ImGuiKey_KeysData_OFFSET].Down = false;
-            io.KeysData[i - ImGuiKey_KeysData_OFFSET].AnalogValue = 0.0f;
+            io.KeysData[key - ImGuiKey_NamedKey_BEGIN].Down = false;
+            io.KeysData[key - ImGuiKey_NamedKey_BEGIN].AnalogValue = 0.0f;
         }
 
     // Update keys
-    for (int i = 0; i < ImGuiKey_KeysData_SIZE; i++)
+    for (int key = ImGuiKey_NamedKey_BEGIN; key < ImGuiKey_NamedKey_END; key++)
     {
-        ImGuiKeyData* key_data = &io.KeysData[i];
+        ImGuiKeyData* key_data = &io.KeysData[key - ImGuiKey_NamedKey_BEGIN];
         key_data->DownDurationPrev = key_data->DownDuration;
         key_data->DownDuration = key_data->Down ? (key_data->DownDuration < 0.0f ? 0.0f : key_data->DownDuration + io.DeltaTime) : -1.0f;
         if (key_data->DownDuration == 0.0f)
         {
-            ImGuiKey key = (ImGuiKey)(ImGuiKey_KeysData_OFFSET + i);
-            if (IsKeyboardKey(key))
+            if (IsKeyboardKey((ImGuiKey)key))
                 g.LastKeyboardKeyPressTime = g.Time;
             else if (key == ImGuiKey_ReservedForModCtrl || key == ImGuiKey_ReservedForModShift || key == ImGuiKey_ReservedForModAlt || key == ImGuiKey_ReservedForModSuper)
                 g.LastKeyboardKeyPressTime = g.Time;
@@ -9745,7 +9701,7 @@ static void ImGui::UpdateKeyboardInputs()
     // Update keys/input owner (named keys only): one entry per key
     for (ImGuiKey key = ImGuiKey_NamedKey_BEGIN; key < ImGuiKey_NamedKey_END; key = (ImGuiKey)(key + 1))
     {
-        ImGuiKeyData* key_data = &io.KeysData[key - ImGuiKey_KeysData_OFFSET];
+        ImGuiKeyData* key_data = &io.KeysData[key - ImGuiKey_NamedKey_BEGIN];
         ImGuiKeyOwnerData* owner_data = &g.KeysOwnerData[key - ImGuiKey_NamedKey_BEGIN];
         owner_data->OwnerCurr = owner_data->OwnerNext;
         if (!key_data->Down) // Important: ownership is released on the frame after a release. Ensure a 'MouseDown -> CloseWindow -> MouseUp' chain doesn't lead to someone else seeing the MouseUp.
@@ -10031,7 +9987,7 @@ void ImGui::UpdateInputEvents(bool trickle_fast_inputs)
 
     bool mouse_moved = false, mouse_wheeled = false, key_changed = false, key_changed_nonchar = false, text_inputted = false;
     int  mouse_button_changed = 0x00;
-    ImBitArray<ImGuiKey_KeysData_SIZE> key_changed_mask;
+    ImBitArray<ImGuiKey_NamedKey_COUNT> key_changed_mask;
 
     int event_n = 0;
     for (; event_n < g.InputEventsQueue.Size; event_n++)
@@ -10094,13 +10050,6 @@ void ImGui::UpdateInputEvents(bool trickle_fast_inputs)
             key_changed_mask.SetBit(key_data_index);
             if (trickle_interleaved_nonchar_keys_and_text && !key_is_potentially_for_char_input)
                 key_changed_nonchar = true;
-
-            // Allow legacy code using io.KeysDown[GetKeyIndex()] with new backends
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-            io.KeysDown[key_data_index] = key_data->Down;
-            if (io.KeyMap[key_data_index] != -1)
-                io.KeysDown[io.KeyMap[key_data_index]] = key_data->Down;
-#endif
         }
         else if (e->Type == ImGuiInputEventType_Text)
         {
@@ -10462,14 +10411,6 @@ static void ImGui::ErrorCheckNewFrameSanityChecks()
     IM_ASSERT(g.Style.WindowMinSize.x >= 1.0f && g.Style.WindowMinSize.y >= 1.0f && "Invalid style setting.");
     IM_ASSERT(g.Style.WindowMenuButtonPosition == ImGuiDir_None || g.Style.WindowMenuButtonPosition == ImGuiDir_Left || g.Style.WindowMenuButtonPosition == ImGuiDir_Right);
     IM_ASSERT(g.Style.ColorButtonPosition == ImGuiDir_Left || g.Style.ColorButtonPosition == ImGuiDir_Right);
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    for (int n = ImGuiKey_NamedKey_BEGIN; n < ImGuiKey_COUNT; n++)
-        IM_ASSERT(g.IO.KeyMap[n] >= -1 && g.IO.KeyMap[n] < ImGuiKey_LegacyNativeKey_END && "io.KeyMap[] contains an out of bound value (need to be 0..511, or -1 for unmapped key)");
-
-    // Check: required key mapping (we intentionally do NOT check all keys to not pressure user into setting up everything, but Space is required and was only added in 1.60 WIP)
-    if ((g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) && g.IO.BackendUsingLegacyKeyArrays == 1)
-        IM_ASSERT(g.IO.KeyMap[ImGuiKey_Space] != -1 && "ImGuiKey_Space is not mapped, required for keyboard navigation.");
-#endif
 
     // Error handling: we do not accept 100% silent recovery! Please contact me if you feel this is getting in your way.
     if (g.IO.ConfigErrorRecovery)
@@ -10549,8 +10490,16 @@ void ImGui::ErrorRecoveryTryToRecoverState(const ImGuiErrorRecoveryState* state_
         ImGuiWindow* window = g.CurrentWindow;
         if (window->Flags & ImGuiWindowFlags_ChildWindow)
         {
-            IM_ASSERT_USER_ERROR(0, "Missing EndChild()");
-            EndChild();
+            if (g.CurrentTable != NULL && g.CurrentTable->InnerWindow == g.CurrentWindow)
+            {
+                IM_ASSERT_USER_ERROR(0, "Missing EndTable()");
+                EndTable();
+            }
+            else
+            {
+                IM_ASSERT_USER_ERROR(0, "Missing EndChild()");
+                EndChild();
+            }
         }
         else
         {
@@ -10664,7 +10613,7 @@ bool    ImGui::ErrorLog(const char* msg)
     // Output to tooltip
     if (g.IO.ConfigErrorRecoveryEnableTooltip)
     {
-        if (BeginErrorTooltip())
+        if (g.WithinFrameScope && BeginErrorTooltip())
         {
             if (g.ErrorCountCurrentFrame < 20)
             {
@@ -10701,7 +10650,7 @@ void ImGui::ErrorCheckEndFrameFinalizeErrorTooltip()
         BulletText("Code should use PushID()/PopID() in loops, or append \"##xx\" to same-label identifiers!");
         BulletText("Empty label e.g. Button(\"\") == same ID as parent widget/node. Use Button(\"##xx\") instead!");
         //BulletText("Code intending to use duplicate ID may use e.g. PushItemFlag(ImGuiItemFlags_AllowDuplicateId, true); ... PopItemFlag()"); // Not making this too visible for fear of it being abused.
-        BulletText("Set io.ConfigDebugDetectIdConflicts=false to disable this warning in non-programmers builds.");
+        BulletText("Set io.ConfigDebugHighlightIdConflicts=false to disable this warning in non-programmers builds.");
         Separator();
         Text("(Hold CTRL to: use");
         SameLine();
@@ -11985,11 +11934,11 @@ void ImGui::EndPopup()
         NavMoveRequestTryWrapping(window, ImGuiNavMoveFlags_LoopY);
 
     // Child-popups don't need to be laid out
-    IM_ASSERT(g.WithinEndChild == false);
+    const ImGuiID backup_within_end_child_id = g.WithinEndChildID;
     if (window->Flags & ImGuiWindowFlags_ChildWindow)
-        g.WithinEndChild = true;
+        g.WithinEndChildID = window->ID;
     End();
-    g.WithinEndChild = false;
+    g.WithinEndChildID = backup_within_end_child_id;
 }
 
 // Helper to open a popup if mouse button is released over the item
@@ -13698,15 +13647,16 @@ static void ImGui::NavUpdateWindowing()
     // Keyboard: Press and Release ALT to toggle menu layer
     const ImGuiKey windowing_toggle_keys[] = { ImGuiKey_LeftAlt, ImGuiKey_RightAlt };
     bool windowing_toggle_layer_start = false;
-    for (ImGuiKey windowing_toggle_key : windowing_toggle_keys)
-        if (nav_keyboard_active && IsKeyPressed(windowing_toggle_key, 0, ImGuiKeyOwner_NoOwner))
-        {
-            windowing_toggle_layer_start = true;
-            g.NavWindowingToggleLayer = true;
-            g.NavWindowingToggleKey = windowing_toggle_key;
-            g.NavInputSource = ImGuiInputSource_Keyboard;
-            break;
-        }
+    if (g.NavWindow != NULL && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs))
+        for (ImGuiKey windowing_toggle_key : windowing_toggle_keys)
+            if (nav_keyboard_active && IsKeyPressed(windowing_toggle_key, 0, ImGuiKeyOwner_NoOwner))
+            {
+                windowing_toggle_layer_start = true;
+                g.NavWindowingToggleLayer = true;
+                g.NavWindowingToggleKey = windowing_toggle_key;
+                g.NavInputSource = ImGuiInputSource_Keyboard;
+                break;
+            }
     if (g.NavWindowingToggleLayer && g.NavInputSource == ImGuiInputSource_Keyboard)
     {
         // We cancel toggling nav layer when any text has been typed (generally while holding Alt). (See #370)
@@ -14319,15 +14269,17 @@ void ImGui::LogRenderedText(const ImVec2* ref_pos, const char* text, const char*
 }
 
 // Start logging/capturing text output
-void ImGui::LogBegin(ImGuiLogType type, int auto_open_depth)
+void ImGui::LogBegin(ImGuiLogFlags flags, int auto_open_depth)
 {
     ImGuiContext& g = *GImGui;
     ImGuiWindow* window = g.CurrentWindow;
     IM_ASSERT(g.LogEnabled == false);
-    IM_ASSERT(g.LogFile == NULL);
-    IM_ASSERT(g.LogBuffer.empty());
+    IM_ASSERT(g.LogFile == NULL && g.LogBuffer.empty());
+    IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiLogFlags_OutputMask_)); // Check that only 1 type flag is used
+
     g.LogEnabled = g.ItemUnclipByLog = true;
-    g.LogType = type;
+    g.LogFlags = flags;
+    g.LogWindow = window;
     g.LogNextPrefix = g.LogNextSuffix = NULL;
     g.LogDepthRef = window->DC.TreeDepth;
     g.LogDepthToExpand = ((auto_open_depth >= 0) ? auto_open_depth : g.LogDepthToExpandDefault);
@@ -14350,7 +14302,7 @@ void ImGui::LogToTTY(int auto_open_depth)
         return;
     IM_UNUSED(auto_open_depth);
 #ifndef IMGUI_DISABLE_TTY_FUNCTIONS
-    LogBegin(ImGuiLogType_TTY, auto_open_depth);
+    LogBegin(ImGuiLogFlags_OutputTTY, auto_open_depth);
     g.LogFile = stdout;
 #endif
 }
@@ -14376,7 +14328,7 @@ void ImGui::LogToFile(int auto_open_depth, const char* filename)
         return;
     }
 
-    LogBegin(ImGuiLogType_File, auto_open_depth);
+    LogBegin(ImGuiLogFlags_OutputFile, auto_open_depth);
     g.LogFile = f;
 }
 
@@ -14386,7 +14338,7 @@ void ImGui::LogToClipboard(int auto_open_depth)
     ImGuiContext& g = *GImGui;
     if (g.LogEnabled)
         return;
-    LogBegin(ImGuiLogType_Clipboard, auto_open_depth);
+    LogBegin(ImGuiLogFlags_OutputClipboard, auto_open_depth);
 }
 
 void ImGui::LogToBuffer(int auto_open_depth)
@@ -14394,7 +14346,7 @@ void ImGui::LogToBuffer(int auto_open_depth)
     ImGuiContext& g = *GImGui;
     if (g.LogEnabled)
         return;
-    LogBegin(ImGuiLogType_Buffer, auto_open_depth);
+    LogBegin(ImGuiLogFlags_OutputBuffer, auto_open_depth);
 }
 
 void ImGui::LogFinish()
@@ -14404,29 +14356,29 @@ void ImGui::LogFinish()
         return;
 
     LogText(IM_NEWLINE);
-    switch (g.LogType)
+    switch (g.LogFlags & ImGuiLogFlags_OutputMask_)
     {
-    case ImGuiLogType_TTY:
+    case ImGuiLogFlags_OutputTTY:
 #ifndef IMGUI_DISABLE_TTY_FUNCTIONS
         fflush(g.LogFile);
 #endif
         break;
-    case ImGuiLogType_File:
+    case ImGuiLogFlags_OutputFile:
         ImFileClose(g.LogFile);
         break;
-    case ImGuiLogType_Buffer:
+    case ImGuiLogFlags_OutputBuffer:
         break;
-    case ImGuiLogType_Clipboard:
+    case ImGuiLogFlags_OutputClipboard:
         if (!g.LogBuffer.empty())
             SetClipboardText(g.LogBuffer.begin());
         break;
-    case ImGuiLogType_None:
+    default:
         IM_ASSERT(0);
         break;
     }
 
     g.LogEnabled = g.ItemUnclipByLog = false;
-    g.LogType = ImGuiLogType_None;
+    g.LogFlags = ImGuiLogFlags_None;
     g.LogFile = NULL;
     g.LogBuffer.clear();
 }
@@ -14838,6 +14790,7 @@ void ImGui::LocalizeRegisterEntries(const ImGuiLocEntry* entries, int count)
 //-----------------------------------------------------------------------------
 // - GetMainViewport()
 // - SetWindowViewport() [Internal]
+// - ScaleWindowsInViewport() [Internal]
 // - UpdateViewportsNewFrame() [Internal]
 // (this section is more complete in the 'docking' branch)
 //-----------------------------------------------------------------------------
@@ -14853,6 +14806,24 @@ void ImGui::SetWindowViewport(ImGuiWindow* window, ImGuiViewportP* viewport)
     window->Viewport = viewport;
 }
 
+static void ScaleWindow(ImGuiWindow* window, float scale)
+{
+    ImVec2 origin = window->Viewport->Pos;
+    window->Pos = ImFloor((window->Pos - origin) * scale + origin);
+    window->Size = ImTrunc(window->Size * scale);
+    window->SizeFull = ImTrunc(window->SizeFull * scale);
+    window->ContentSize = ImTrunc(window->ContentSize * scale);
+}
+
+// Scale all windows (position, size). Use when e.g. changing DPI. (This is a lossy operation!)
+void ImGui::ScaleWindowsInViewport(ImGuiViewportP* viewport, float scale)
+{
+    ImGuiContext& g = *GImGui;
+    for (ImGuiWindow* window : g.Windows)
+        if (window->Viewport == viewport)
+            ScaleWindow(window, scale);
+}
+
 // Update viewports and monitor infos
 static void ImGui::UpdateViewportsNewFrame()
 {
@@ -15300,6 +15271,17 @@ void ImGui::UpdateDebugToolFlashStyleColor()
         DebugFlashStyleColorStop();
 }
 
+static const char* FormatTextureIDForDebugDisplay(char* buf, int buf_size, ImTextureID tex_id)
+{
+    union { void* ptr; int integer; } tex_id_opaque;
+    memcpy(&tex_id_opaque, &tex_id, ImMin(sizeof(void*), sizeof(tex_id)));
+    if (sizeof(tex_id) >= sizeof(void*))
+        ImFormatString(buf, buf_size, "0x%p", tex_id_opaque.ptr);
+    else
+        ImFormatString(buf, buf_size, "0x%04X", tex_id_opaque.integer);
+    return buf;
+}
+
 // Avoid naming collision with imgui_demo.cpp's HelpMarker() for unity builds.
 static void MetricsHelpMarker(const char* desc)
 {
@@ -15724,18 +15706,11 @@ void ImGui::ShowMetricsWindow(bool* p_open)
     {
         Text("KEYBOARD/GAMEPAD/MOUSE KEYS");
         {
-            // We iterate both legacy native range and named ImGuiKey ranges, which is a little odd but this allows displaying the data for old/new backends.
             // User code should never have to go through such hoops! You can generally iterate between ImGuiKey_NamedKey_BEGIN and ImGuiKey_NamedKey_END.
             Indent();
-#ifdef IMGUI_DISABLE_OBSOLETE_KEYIO
-            struct funcs { static bool IsLegacyNativeDupe(ImGuiKey) { return false; } };
-#else
-            struct funcs { static bool IsLegacyNativeDupe(ImGuiKey key) { return key >= 0 && key < 512 && GetIO().KeyMap[key] != -1; } }; // Hide Native<>ImGuiKey duplicates when both exists in the array
-            //Text("Legacy raw:");      for (ImGuiKey key = ImGuiKey_KeysData_OFFSET; key < ImGuiKey_COUNT; key++) { if (io.KeysDown[key]) { SameLine(); Text("\"%s\" %d", GetKeyName(key), key); } }
-#endif
-            Text("Keys down:");         for (ImGuiKey key = ImGuiKey_KeysData_OFFSET; key < ImGuiKey_COUNT; key = (ImGuiKey)(key + 1)) { if (funcs::IsLegacyNativeDupe(key) || !IsKeyDown(key)) continue;     SameLine(); Text(IsNamedKey(key) ? "\"%s\"" : "\"%s\" %d", GetKeyName(key), key); SameLine(); Text("(%.02f)", GetKeyData(key)->DownDuration); }
-            Text("Keys pressed:");      for (ImGuiKey key = ImGuiKey_KeysData_OFFSET; key < ImGuiKey_COUNT; key = (ImGuiKey)(key + 1)) { if (funcs::IsLegacyNativeDupe(key) || !IsKeyPressed(key)) continue;  SameLine(); Text(IsNamedKey(key) ? "\"%s\"" : "\"%s\" %d", GetKeyName(key), key); }
-            Text("Keys released:");     for (ImGuiKey key = ImGuiKey_KeysData_OFFSET; key < ImGuiKey_COUNT; key = (ImGuiKey)(key + 1)) { if (funcs::IsLegacyNativeDupe(key) || !IsKeyReleased(key)) continue; SameLine(); Text(IsNamedKey(key) ? "\"%s\"" : "\"%s\" %d", GetKeyName(key), key); }
+            Text("Keys down:");         for (ImGuiKey key = ImGuiKey_NamedKey_BEGIN; key < ImGuiKey_NamedKey_END; key = (ImGuiKey)(key + 1)) { if (!IsKeyDown(key)) continue;     SameLine(); Text(IsNamedKey(key) ? "\"%s\"" : "\"%s\" %d", GetKeyName(key), key); SameLine(); Text("(%.02f)", GetKeyData(key)->DownDuration); }
+            Text("Keys pressed:");      for (ImGuiKey key = ImGuiKey_NamedKey_BEGIN; key < ImGuiKey_NamedKey_END; key = (ImGuiKey)(key + 1)) { if (!IsKeyPressed(key)) continue;  SameLine(); Text(IsNamedKey(key) ? "\"%s\"" : "\"%s\" %d", GetKeyName(key), key); }
+            Text("Keys released:");     for (ImGuiKey key = ImGuiKey_NamedKey_BEGIN; key < ImGuiKey_NamedKey_END; key = (ImGuiKey)(key + 1)) { if (!IsKeyReleased(key)) continue; SameLine(); Text(IsNamedKey(key) ? "\"%s\"" : "\"%s\" %d", GetKeyName(key), key); }
             Text("Keys mods: %s%s%s%s", io.KeyCtrl ? "CTRL " : "", io.KeyShift ? "SHIFT " : "", io.KeyAlt ? "ALT " : "", io.KeySuper ? "SUPER " : "");
             Text("Chars queue:");       for (int i = 0; i < io.InputQueueCharacters.Size; i++) { ImWchar c = io.InputQueueCharacters[i]; SameLine(); Text("\'%c\' (0x%04X)", (c > ' ' && c <= 255) ? (char)c : '?', c); } // FIXME: We should convert 'c' to UTF-8 here but the functions are not public.
             DebugRenderKeyboardPreview(GetWindowDrawList());
@@ -15995,16 +15970,6 @@ void ImGui::DebugNodeColumns(ImGuiOldColumns* columns)
     TreePop();
 }
 
-static void FormatTextureIDForDebugDisplay(char* buf, int buf_size, ImTextureID tex_id)
-{
-    union { void* ptr; int integer; } tex_id_opaque;
-    memcpy(&tex_id_opaque, &tex_id, ImMin(sizeof(void*), sizeof(tex_id)));
-    if (sizeof(tex_id) >= sizeof(void*))
-        ImFormatString(buf, buf_size, "0x%p", tex_id_opaque.ptr);
-    else
-        ImFormatString(buf, buf_size, "0x%04X", tex_id_opaque.integer);
-}
-
 // [DEBUG] Display contents of ImDrawList
 void ImGui::DebugNodeDrawList(ImGuiWindow* window, ImGuiViewportP* viewport, const ImDrawList* draw_list, const char* label)
 {
@@ -16353,7 +16318,7 @@ void ImGui::DebugNodeWindow(ImGuiWindow* window, const char* label)
     for (int layer = 0; layer < ImGuiNavLayer_COUNT; layer++)
     {
         ImRect r = window->NavRectRel[layer];
-        if (r.Min.x >= r.Max.y && r.Min.y >= r.Max.y)
+        if (r.Min.x >= r.Max.x && r.Min.y >= r.Max.y)
             BulletText("NavLastIds[%d]: 0x%08X", layer, window->NavLastIds[layer]);
         else
             BulletText("NavLastIds[%d]: 0x%08X at +(%.1f,%.1f)(%.1f,%.1f)", layer, window->NavLastIds[layer], r.Min.x, r.Min.y, r.Max.x, r.Max.y);
@@ -16506,6 +16471,7 @@ void ImGui::ShowDebugLogWindow(bool* p_open)
     ShowDebugLogFlag("Clipper", ImGuiDebugLogFlags_EventClipper);
     ShowDebugLogFlag("Focus", ImGuiDebugLogFlags_EventFocus);
     ShowDebugLogFlag("IO", ImGuiDebugLogFlags_EventIO);
+    //ShowDebugLogFlag("Font", ImGuiDebugLogFlags_EventFont);
     ShowDebugLogFlag("Nav", ImGuiDebugLogFlags_EventNav);
     ShowDebugLogFlag("Popup", ImGuiDebugLogFlags_EventPopup);
     ShowDebugLogFlag("Selection", ImGuiDebugLogFlags_EventSelection);
@@ -16558,7 +16524,7 @@ void ImGui::ShowDebugLogWindow(bool* p_open)
 void ImGui::DebugTextUnformattedWithLocateItem(const char* line_begin, const char* line_end)
 {
     TextUnformatted(line_begin, line_end);
-    if (!IsItemHovered())
+    if (!IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem))
         return;
     ImGuiContext& g = *GImGui;
     ImRect text_rect = g.LastItemData.Rect;

3rdparty/dear-imgui/imgui.h

@@ -1,4 +1,4 @@
-// dear imgui, v1.91.4
+// dear imgui, v1.91.7 WIP
 // (headers)
 
 // Help:
@@ -28,8 +28,8 @@
 
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
-#define IMGUI_VERSION       "1.91.4"
-#define IMGUI_VERSION_NUM   19140
+#define IMGUI_VERSION       "1.91.7 WIP"
+#define IMGUI_VERSION_NUM   19163
 #define IMGUI_HAS_TABLE
 
 /*
@@ -130,15 +130,17 @@ Index of this file:
 #pragma clang diagnostic ignored "-Wunknown-warning-option"         // warning: unknown warning group 'xxx'
 #endif
 #pragma clang diagnostic ignored "-Wunknown-pragmas"                // warning: unknown warning group 'xxx'
-#pragma clang diagnostic ignored "-Wold-style-cast"
+#pragma clang diagnostic ignored "-Wold-style-cast"                 // warning: use of old-style cast
 #pragma clang diagnostic ignored "-Wfloat-equal"                    // warning: comparing floating point with == or != is unsafe
-#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
+#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"  // warning: zero as null pointer constant
 #pragma clang diagnostic ignored "-Wreserved-identifier"            // warning: identifier '_Xxx' is reserved because it starts with '_' followed by a capital letter
 #pragma clang diagnostic ignored "-Wunsafe-buffer-usage"            // warning: 'xxx' is an unsafe pointer used for buffer access
+#pragma clang diagnostic ignored "-Wnontrivial-memaccess"           // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type
 #elif defined(__GNUC__)
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"          // warning: unknown option after '#pragma GCC diagnostic' kind
-#pragma GCC diagnostic ignored "-Wclass-memaccess"  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#pragma GCC diagnostic ignored "-Wpragmas"                          // warning: unknown option after '#pragma GCC diagnostic' kind
+#pragma GCC diagnostic ignored "-Wfloat-equal"                      // warning: comparing floating-point with '==' or '!=' is unsafe
+#pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #endif
 
 //-----------------------------------------------------------------------------
@@ -563,6 +565,7 @@ namespace ImGui
     // - Read about ImTextureID here: https://github.com/ocornut/imgui/wiki/Image-Loading-and-Displaying-Examples
     // - 'uv0' and 'uv1' are texture coordinates. Read about them from the same link above.
     // - Note that Image() may add +2.0f to provided size if a border is visible, ImageButton() adds style.FramePadding*2.0f to provided size.
+    // - ImageButton() draws a background based on regular Button() color + optionally an inner background if specified.
     IMGUI_API void          Image(ImTextureID user_texture_id, const ImVec2& image_size, const ImVec2& uv0 = ImVec2(0, 0), const ImVec2& uv1 = ImVec2(1, 1), const ImVec4& tint_col = ImVec4(1, 1, 1, 1), const ImVec4& border_col = ImVec4(0, 0, 0, 0));
     IMGUI_API bool          ImageButton(const char* str_id, ImTextureID user_texture_id, const ImVec2& image_size, const ImVec2& uv0 = ImVec2(0, 0), const ImVec2& uv1 = ImVec2(1, 1), const ImVec4& bg_col = ImVec4(0, 0, 0, 0), const ImVec4& tint_col = ImVec4(1, 1, 1, 1));
 
@@ -690,6 +693,7 @@ namespace ImGui
 
     // Widgets: List Boxes
     // - This is essentially a thin wrapper to using BeginChild/EndChild with the ImGuiChildFlags_FrameStyle flag for stylistic changes + displaying a label.
+    // - If you don't need a label you can probably simply use BeginChild() with the ImGuiChildFlags_FrameStyle flag for the same result.
     // - You can submit contents and manage your selection state however you want it, by creating e.g. Selectable() or any other items.
     // - The simplified/old ListBox() api are helpers over BeginListBox()/EndListBox() which are kept available for convenience purpose. This is analoguous to how Combos are created.
     // - Choose frame width:   size.x > 0.0f: custom  /  size.x < 0.0f or -FLT_MIN: right-align   /  size.x = 0.0f (default): use current ItemWidth
@@ -961,9 +965,8 @@ namespace ImGui
 
     // Inputs Utilities: Keyboard/Mouse/Gamepad
     // - the ImGuiKey enum contains all possible keyboard, mouse and gamepad inputs (e.g. ImGuiKey_A, ImGuiKey_MouseLeft, ImGuiKey_GamepadDpadUp...).
-    // - before v1.87, we used ImGuiKey to carry native/user indices as defined by each backends. About use of those legacy ImGuiKey values:
-    //  - without IMGUI_DISABLE_OBSOLETE_KEYIO (legacy support): you can still use your legacy native/user indices (< 512) according to how your backend/engine stored them in io.KeysDown[], but need to cast them to ImGuiKey.
-    //  - with    IMGUI_DISABLE_OBSOLETE_KEYIO (this is the way forward): any use of ImGuiKey will assert with key < 512. GetKeyIndex() is pass-through and therefore deprecated (gone if IMGUI_DISABLE_OBSOLETE_KEYIO is defined).
+    // - (legacy: before v1.87, we used ImGuiKey to carry native/user indices as defined by each backends. This was obsoleted in 1.87 (2022-02) and completely removed in 1.91.5 (2024-11). See https://github.com/ocornut/imgui/issues/4921)
+    // - (legacy: any use of ImGuiKey will assert when key < 512 to detect passing legacy native/user indices)
     IMGUI_API bool          IsKeyDown(ImGuiKey key);                                            // is key being held.
     IMGUI_API bool          IsKeyPressed(ImGuiKey key, bool repeat = true);                     // was key pressed (went from !Down to Down)? if repeat=true, uses io.KeyRepeatDelay / KeyRepeatRate
     IMGUI_API bool          IsKeyReleased(ImGuiKey key);                                        // was key released (went from Down to !Down)?
@@ -1170,13 +1173,16 @@ enum ImGuiInputTextFlags_
     ImGuiInputTextFlags_NoHorizontalScroll  = 1 << 15,  // Disable following the cursor horizontally
     ImGuiInputTextFlags_NoUndoRedo          = 1 << 16,  // Disable undo/redo. Note that input text owns the text data while active, if you want to provide your own undo/redo stack you need e.g. to call ClearActiveID().
 
+    // Elide display / Alignment
+    ImGuiInputTextFlags_ElideLeft			= 1 << 17,	// When text doesn't fit, elide left side to ensure right side stays visible. Useful for path/filenames. Single-line only!
+
     // Callback features
-    ImGuiInputTextFlags_CallbackCompletion  = 1 << 17,  // Callback on pressing TAB (for completion handling)
-    ImGuiInputTextFlags_CallbackHistory     = 1 << 18,  // Callback on pressing Up/Down arrows (for history handling)
-    ImGuiInputTextFlags_CallbackAlways      = 1 << 19,  // Callback on each iteration. User code may query cursor position, modify text buffer.
-    ImGuiInputTextFlags_CallbackCharFilter  = 1 << 20,  // Callback on character inputs to replace or discard them. Modify 'EventChar' to replace or discard, or return 1 in callback to discard.
-    ImGuiInputTextFlags_CallbackResize      = 1 << 21,  // Callback on buffer capacity changes request (beyond 'buf_size' parameter value), allowing the string to grow. Notify when the string wants to be resized (for string types which hold a cache of their Size). You will be provided a new BufSize in the callback and NEED to honor it. (see misc/cpp/imgui_stdlib.h for an example of using this)
-    ImGuiInputTextFlags_CallbackEdit        = 1 << 22,  // Callback on any edit (note that InputText() already returns true on edit, the callback is useful mainly to manipulate the underlying buffer while focus is active)
+    ImGuiInputTextFlags_CallbackCompletion  = 1 << 18,  // Callback on pressing TAB (for completion handling)
+    ImGuiInputTextFlags_CallbackHistory     = 1 << 19,  // Callback on pressing Up/Down arrows (for history handling)
+    ImGuiInputTextFlags_CallbackAlways      = 1 << 20,  // Callback on each iteration. User code may query cursor position, modify text buffer.
+    ImGuiInputTextFlags_CallbackCharFilter  = 1 << 21,  // Callback on character inputs to replace or discard them. Modify 'EventChar' to replace or discard, or return 1 in callback to discard.
+    ImGuiInputTextFlags_CallbackResize      = 1 << 22,  // Callback on buffer capacity changes request (beyond 'buf_size' parameter value), allowing the string to grow. Notify when the string wants to be resized (for string types which hold a cache of their Size). You will be provided a new BufSize in the callback and NEED to honor it. (see misc/cpp/imgui_stdlib.h for an example of using this)
+    ImGuiInputTextFlags_CallbackEdit        = 1 << 23,  // Callback on any edit (note that InputText() already returns true on edit, the callback is useful mainly to manipulate the underlying buffer while focus is active)
 
     // Obsolete names
     //ImGuiInputTextFlags_AlwaysInsertMode  = ImGuiInputTextFlags_AlwaysOverwrite   // [renamed in 1.82] name was not matching behavior
@@ -1415,21 +1421,18 @@ enum ImGuiSortDirection : ImU8
     ImGuiSortDirection_Descending   = 2     // Descending = 9->0, Z->A etc.
 };
 
-// Since 1.90, defining IMGUI_DISABLE_OBSOLETE_FUNCTIONS automatically defines IMGUI_DISABLE_OBSOLETE_KEYIO as well.
-#if defined(IMGUI_DISABLE_OBSOLETE_FUNCTIONS) && !defined(IMGUI_DISABLE_OBSOLETE_KEYIO)
-#define IMGUI_DISABLE_OBSOLETE_KEYIO
-#endif
-
 // A key identifier (ImGuiKey_XXX or ImGuiMod_XXX value): can represent Keyboard, Mouse and Gamepad values.
-// All our named keys are >= 512. Keys value 0 to 511 are left unused as legacy native/opaque key values (< 1.87).
-// Since >= 1.89 we increased typing (went from int to enum), some legacy code may need a cast to ImGuiKey.
-// Read details about the 1.87 and 1.89 transition : https://github.com/ocornut/imgui/issues/4921
+// All our named keys are >= 512. Keys value 0 to 511 are left unused and were legacy native/opaque key values (< 1.87).
+// Support for legacy keys was completely removed in 1.91.5.
+// Read details about the 1.87+ transition : https://github.com/ocornut/imgui/issues/4921
 // Note that "Keys" related to physical keys and are not the same concept as input "Characters", the later are submitted via io.AddInputCharacter().
 // The keyboard key enum values are named after the keys on a standard US keyboard, and on other keyboard types the keys reported may not match the keycaps.
 enum ImGuiKey : int
 {
     // Keyboard
     ImGuiKey_None = 0,
+    ImGuiKey_NamedKey_BEGIN = 512,  // First valid key value (other than 0)
+
     ImGuiKey_Tab = 512,             // == ImGuiKey_NamedKey_BEGIN
     ImGuiKey_LeftArrow,
     ImGuiKey_RightArrow,
@@ -1517,7 +1520,7 @@ enum ImGuiKey : int
 
     // [Internal] Reserved for mod storage
     ImGuiKey_ReservedForModCtrl, ImGuiKey_ReservedForModShift, ImGuiKey_ReservedForModAlt, ImGuiKey_ReservedForModSuper,
-    ImGuiKey_COUNT,
+    ImGuiKey_NamedKey_END,
 
     // Keyboard Modifiers (explicitly submitted by backend via AddKeyEvent() calls)
     // - This is mirroring the data also written to io.KeyCtrl, io.KeyShift, io.KeyAlt, io.KeySuper, in a format allowing
@@ -1535,21 +1538,13 @@ enum ImGuiKey : int
     ImGuiMod_Super                  = 1 << 15, // Windows/Super (non-macOS), Ctrl (macOS)
     ImGuiMod_Mask_                  = 0xF000,  // 4-bits
 
-    // [Internal] Prior to 1.87 we required user to fill io.KeysDown[512] using their own native index + the io.KeyMap[] array.
-    // We are ditching this method but keeping a legacy path for user code doing e.g. IsKeyPressed(MY_NATIVE_KEY_CODE)
-    // If you need to iterate all keys (for e.g. an input mapper) you may use ImGuiKey_NamedKey_BEGIN..ImGuiKey_NamedKey_END.
-    ImGuiKey_NamedKey_BEGIN         = 512,
-    ImGuiKey_NamedKey_END           = ImGuiKey_COUNT,
+    // [Internal] If you need to iterate all keys (for e.g. an input mapper) you may use ImGuiKey_NamedKey_BEGIN..ImGuiKey_NamedKey_END.
     ImGuiKey_NamedKey_COUNT         = ImGuiKey_NamedKey_END - ImGuiKey_NamedKey_BEGIN,
-#ifdef IMGUI_DISABLE_OBSOLETE_KEYIO
-    ImGuiKey_KeysData_SIZE          = ImGuiKey_NamedKey_COUNT,  // Size of KeysData[]: only hold named keys
-    ImGuiKey_KeysData_OFFSET        = ImGuiKey_NamedKey_BEGIN,  // Accesses to io.KeysData[] must use (key - ImGuiKey_KeysData_OFFSET) index.
-#else
-    ImGuiKey_KeysData_SIZE          = ImGuiKey_COUNT,           // Size of KeysData[]: hold legacy 0..512 keycodes + named keys
-    ImGuiKey_KeysData_OFFSET        = 0,                        // Accesses to io.KeysData[] must use (key - ImGuiKey_KeysData_OFFSET) index.
-#endif
+    //ImGuiKey_KeysData_SIZE        = ImGuiKey_NamedKey_COUNT,  // Size of KeysData[]: only hold named keys
+    //ImGuiKey_KeysData_OFFSET      = ImGuiKey_NamedKey_BEGIN,  // Accesses to io.KeysData[] must use (key - ImGuiKey_NamedKey_BEGIN) index.
 
 #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
+    ImGuiKey_COUNT                  = ImGuiKey_NamedKey_END,    // Obsoleted in 1.91.5 because it was extremely misleading (since named keys don't start at 0 anymore)
     ImGuiMod_Shortcut               = ImGuiMod_Ctrl,            // Removed in 1.90.7, you can now simply use ImGuiMod_Ctrl
     ImGuiKey_ModCtrl = ImGuiMod_Ctrl, ImGuiKey_ModShift = ImGuiMod_Shift, ImGuiKey_ModAlt = ImGuiMod_Alt, ImGuiKey_ModSuper = ImGuiMod_Super, // Renamed in 1.89
     //ImGuiKey_KeyPadEnter = ImGuiKey_KeypadEnter,              // Renamed in 1.87
@@ -1581,18 +1576,6 @@ enum ImGuiInputFlags_
     ImGuiInputFlags_Tooltip                 = 1 << 18,  // Automatically display a tooltip when hovering item [BETA] Unsure of right api (opt-in/opt-out)
 };
 
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-// OBSOLETED in 1.88 (from July 2022): ImGuiNavInput and io.NavInputs[].
-// Official backends between 1.60 and 1.86: will keep working and feed gamepad inputs as long as IMGUI_DISABLE_OBSOLETE_KEYIO is not set.
-// Custom backends: feed gamepad inputs via io.AddKeyEvent() and ImGuiKey_GamepadXXX enums.
-enum ImGuiNavInput
-{
-    ImGuiNavInput_Activate, ImGuiNavInput_Cancel, ImGuiNavInput_Input, ImGuiNavInput_Menu, ImGuiNavInput_DpadLeft, ImGuiNavInput_DpadRight, ImGuiNavInput_DpadUp, ImGuiNavInput_DpadDown,
-    ImGuiNavInput_LStickLeft, ImGuiNavInput_LStickRight, ImGuiNavInput_LStickUp, ImGuiNavInput_LStickDown, ImGuiNavInput_FocusPrev, ImGuiNavInput_FocusNext, ImGuiNavInput_TweakSlow, ImGuiNavInput_TweakFast,
-    ImGuiNavInput_COUNT,
-};
-#endif
-
 // Configuration flags stored in io.ConfigFlags. Set by user/application.
 enum ImGuiConfigFlags_
 {
@@ -1806,6 +1789,7 @@ enum ImGuiSliderFlags_
     ImGuiSliderFlags_WrapAround         = 1 << 8,       // Enable wrapping around from max to min and from min to max. Only supported by DragXXX() functions for now.
     ImGuiSliderFlags_ClampOnInput       = 1 << 9,       // Clamp value to min/max bounds when input manually with CTRL+Click. By default CTRL+Click allows going out of bounds.
     ImGuiSliderFlags_ClampZeroRange     = 1 << 10,      // Clamp even if min==max==0.0f. Otherwise due to legacy reason DragXXX functions don't clamp with those values. When your clamping limits are dynamic you almost always want to use it.
+    ImGuiSliderFlags_NoSpeedTweaks      = 1 << 11,      // Disable keyboard modifiers altering tweak speed. Useful if you want to alter tweak speed yourself based on your own logic.
     ImGuiSliderFlags_AlwaysClamp        = ImGuiSliderFlags_ClampOnInput | ImGuiSliderFlags_ClampZeroRange,
     ImGuiSliderFlags_InvalidMask_       = 0x7000000F,   // [Internal] We treat using those bits as being potentially a 'float power' argument from the previous API that has got miscast to this enum, and will trigger an assert if needed.
 };
@@ -2242,13 +2226,13 @@ struct ImGuiIO
     // Font system
     ImFontAtlas*Fonts;                          // <auto>           // Font atlas: load, rasterize and pack one or more fonts into a single texture.
     float       FontGlobalScale;                // = 1.0f           // Global scale all fonts
-    bool        FontAllowUserScaling;           // = false          // Allow user scaling text of individual window with CTRL+Wheel.
+    bool        FontAllowUserScaling;           // = false          // [OBSOLETE] Allow user scaling text of individual window with CTRL+Wheel.
     ImFont*     FontDefault;                    // = NULL           // Font to use on NewFrame(). Use NULL to uses Fonts->Fonts[0].
     ImVec2      DisplayFramebufferScale;        // = (1, 1)         // For retina display or other situations where window coordinates are different from framebuffer coordinates. This generally ends up in ImDrawData::FramebufferScale.
 
     // Keyboard/Gamepad Navigation options
     bool        ConfigNavSwapGamepadButtons;    // = false          // Swap Activate<>Cancel (A<>B) buttons, matching typical "Nintendo/Japanese style" gamepad layout.
-    bool        ConfigNavMoveSetMousePos;       // = false          // Directional/tabbing navigation teleports the mouse cursor. May be useful on TV/console systems where moving a virtual mouse is difficult. Will update io.MousePos and set io.WantSetMousePos=true. 
+    bool        ConfigNavMoveSetMousePos;       // = false          // Directional/tabbing navigation teleports the mouse cursor. May be useful on TV/console systems where moving a virtual mouse is difficult. Will update io.MousePos and set io.WantSetMousePos=true.
     bool        ConfigNavCaptureKeyboard;       // = true           // Sets io.WantCaptureKeyboard when io.NavActive is set.
     bool        ConfigNavEscapeClearFocusItem;  // = true           // Pressing Escape can clear focused item + navigation id/highlight. Set to false if you want to always keep highlight on.
     bool        ConfigNavEscapeClearFocusWindow;// = false          // Pressing Escape can clear focused window as well (super set of io.ConfigNavEscapeClearFocusItem).
@@ -2263,8 +2247,9 @@ struct ImGuiIO
     bool        ConfigInputTextCursorBlink;     // = true           // Enable blinking cursor (optional as some users consider it to be distracting).
     bool        ConfigInputTextEnterKeepActive; // = false          // [BETA] Pressing Enter will keep item active and select contents (single-line only).
     bool        ConfigDragClickToInputText;     // = false          // [BETA] Enable turning DragXXX widgets into text input with a simple mouse click-release (without moving). Not desirable on devices without a keyboard.
-    bool        ConfigWindowsResizeFromEdges;   // = true           // Enable resizing of windows from their edges and from the lower-left corner. This requires (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors) because it needs mouse cursor feedback. (This used to be a per-window ImGuiWindowFlags_ResizeFromAnySide flag)
+    bool        ConfigWindowsResizeFromEdges;   // = true           // Enable resizing of windows from their edges and from the lower-left corner. This requires ImGuiBackendFlags_HasMouseCursors for better mouse cursor feedback. (This used to be a per-window ImGuiWindowFlags_ResizeFromAnySide flag)
     bool        ConfigWindowsMoveFromTitleBarOnly;  // = false      // Enable allowing to move windows only when clicking on their title bar. Does not apply to windows without a title bar.
+    bool        ConfigWindowsCopyContentsWithCtrlC; // = false      // [EXPERIMENTAL] CTRL+C copy the contents of focused window into the clipboard. Experimental because: (1) has known issues with nested Begin/End pairs (2) text output quality varies (3) text output is in submission order rather than spatial order.
     bool        ConfigScrollbarScrollByPage;    // = true           // Enable scrolling page by page when clicking outside the scrollbar grab. When disabled, always scroll to clicked location. When enabled, Shift+Click scrolls to clicked location.
     float       ConfigMemoryCompactTimer;       // = 60.0f          // Timer (in seconds) to free transient windows/tables memory buffers when unused. Set to -1.0f to disable.
 
@@ -2331,6 +2316,7 @@ struct ImGuiIO
     // (the imgui_impl_xxxx backend files are setting those up for you)
     //------------------------------------------------------------------
 
+    // Nowadays those would be stored in ImGuiPlatformIO but we are leaving them here for legacy reasons.
     // Optional: Platform/Renderer backend name (informational only! will be displayed in About Window) + User data for backend/wrappers to store their own stuff.
     const char* BackendPlatformName;            // = NULL
     const char* BackendRendererName;            // = NULL
@@ -2404,7 +2390,7 @@ struct ImGuiIO
 
     // Other state maintained from data above + IO function calls
     ImGuiKeyChord KeyMods;                          // Key mods flags (any of ImGuiMod_Ctrl/ImGuiMod_Shift/ImGuiMod_Alt/ImGuiMod_Super flags, same as io.KeyCtrl/KeyShift/KeyAlt/KeySuper but merged into flags. Read-only, updated by NewFrame()
-    ImGuiKeyData  KeysData[ImGuiKey_KeysData_SIZE]; // Key state for all known keys. Use IsKeyXXX() functions to access this.
+    ImGuiKeyData  KeysData[ImGuiKey_NamedKey_COUNT];// Key state for all known keys. Use IsKeyXXX() functions to access this.
     bool        WantCaptureMouseUnlessPopupClose;   // Alternative to WantCaptureMouse: (WantCaptureMouse == true && WantCaptureMouseUnlessPopupClose == false) when a click over void is expected to close a popup.
     ImVec2      MousePosPrev;                       // Previous mouse position (note that MouseDelta is not necessary == MousePos-MousePosPrev, in case either position is invalid)
     ImVec2      MouseClickedPos[5];                 // Position at time of clicking
@@ -2424,20 +2410,18 @@ struct ImGuiIO
     float       PenPressure;                        // Touch/Pen pressure (0.0f to 1.0f, should be >0.0f only when MouseDown[0] == true). Helper storage currently unused by Dear ImGui.
     bool        AppFocusLost;                       // Only modify via AddFocusEvent()
     bool        AppAcceptingEvents;                 // Only modify via SetAppAcceptingEvents()
-    ImS8        BackendUsingLegacyKeyArrays;        // -1: unknown, 0: using AddKeyEvent(), 1: using legacy io.KeysDown[]
-    bool        BackendUsingLegacyNavInputArray;    // 0: using AddKeyAnalogEvent(), 1: writing to legacy io.NavInputs[] directly
     ImWchar16   InputQueueSurrogate;                // For AddInputCharacterUTF16()
     ImVector<ImWchar> InputQueueCharacters;         // Queue of _characters_ input (obtained by platform backend). Fill using AddInputCharacter() helper.
 
     // Legacy: before 1.87, we required backend to fill io.KeyMap[] (imgui->native map) during initialization and io.KeysDown[] (native indices) every frame.
     // This is still temporarily supported as a legacy feature. However the new preferred scheme is for backend to call io.AddKeyEvent().
     //   Old (<1.87):  ImGui::IsKeyPressed(ImGui::GetIO().KeyMap[ImGuiKey_Space]) --> New (1.87+) ImGui::IsKeyPressed(ImGuiKey_Space)
-#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
-    int         KeyMap[ImGuiKey_COUNT];             // [LEGACY] Input: map of indices into the KeysDown[512] entries array which represent your "native" keyboard state. The first 512 are now unused and should be kept zero. Legacy backend will write into KeyMap[] using ImGuiKey_ indices which are always >512.
-    bool        KeysDown[ImGuiKey_COUNT];           // [LEGACY] Input: Keyboard keys that are pressed (ideally left in the "native" order your engine has access to keyboard keys, so you can use your own defines/enums for keys). This used to be [512] sized. It is now ImGuiKey_COUNT to allow legacy io.KeysDown[GetKeyIndex(...)] to work without an overflow.
-    float       NavInputs[ImGuiNavInput_COUNT];     // [LEGACY] Since 1.88, NavInputs[] was removed. Backends from 1.60 to 1.86 won't build. Feed gamepad inputs via io.AddKeyEvent() and ImGuiKey_GamepadXXX enums.
+    //   Old (<1.87):  ImGui::IsKeyPressed(MYPLATFORM_KEY_SPACE)                  --> New (1.87+) ImGui::IsKeyPressed(ImGuiKey_Space)
+    // Read https://github.com/ocornut/imgui/issues/4921 for details.
+    //int       KeyMap[ImGuiKey_COUNT];             // [LEGACY] Input: map of indices into the KeysDown[512] entries array which represent your "native" keyboard state. The first 512 are now unused and should be kept zero. Legacy backend will write into KeyMap[] using ImGuiKey_ indices which are always >512.
+    //bool      KeysDown[ImGuiKey_COUNT];           // [LEGACY] Input: Keyboard keys that are pressed (ideally left in the "native" order your engine has access to keyboard keys, so you can use your own defines/enums for keys). This used to be [512] sized. It is now ImGuiKey_COUNT to allow legacy io.KeysDown[GetKeyIndex(...)] to work without an overflow.
+    //float     NavInputs[ImGuiNavInput_COUNT];     // [LEGACY] Since 1.88, NavInputs[] was removed. Backends from 1.60 to 1.86 won't build. Feed gamepad inputs via io.AddKeyEvent() and ImGuiKey_GamepadXXX enums.
     //void*     ImeWindowHandle;                    // [Obsoleted in 1.87] Set ImGuiViewport::PlatformHandleRaw instead. Set this to your HWND to get automatic IME cursor positioning.
-#endif
 
     // Legacy: before 1.91.1, clipboard functions were stored in ImGuiIO instead of ImGuiPlatformIO.
     // As this is will affect all users of custom engines/backends, we are providing proper legacy redirection (will obsolete).
@@ -2737,7 +2721,8 @@ IM_MSVC_RUNTIME_CHECKS_RESTORE
 #endif
 
 // Helpers macros to generate 32-bit encoded colors
-// User can declare their own format by #defining the 5 _SHIFT/_MASK macros in their imconfig file.
+// - User can declare their own format by #defining the 5 _SHIFT/_MASK macros in their imconfig file.
+// - Any setting other than the default will need custom backend support. The only standard backend that supports anything else than the default is DirectX9.
 #ifndef IM_COL32_R_SHIFT
 #ifdef IMGUI_USE_BGRA_PACKED_COLOR
 #define IM_COL32_R_SHIFT    16
@@ -3064,7 +3049,7 @@ enum ImDrawListFlags_
 // access the current window draw list and draw custom primitives.
 // You can interleave normal ImGui:: calls and adding primitives to the current draw list.
 // In single viewport mode, top-left is == GetMainViewport()->Pos (generally 0,0), bottom-right is == GetMainViewport()->Pos+Size (generally io.DisplaySize).
-// You are totally free to apply whatever transformation matrix to want to the data (depending on the use of the transformation you may want to apply it to ClipRect as well!)
+// You are totally free to apply whatever transformation matrix you want to the data (depending on the use of the transformation you may want to apply it to ClipRect as well!)
 // Important: Primitives are always added to the list and not culled (culling is done at higher-level by ImGui:: functions), if you use this API a lot consider coarse culling your drawn objects.
 struct ImDrawList
 {
@@ -3088,10 +3073,11 @@ struct ImDrawList
     float                   _FringeScale;       // [Internal] anti-alias fringe is scaled by this value, this helps to keep things sharp while zooming at vertex buffer content
     const char*             _OwnerName;         // Pointer to owner window's name for debugging
 
-    // If you want to create ImDrawList instances, pass them ImGui::GetDrawListSharedData() or create and use your own ImDrawListSharedData (so you can use ImDrawList without ImGui)
-    ImDrawList(ImDrawListSharedData* shared_data) { memset(this, 0, sizeof(*this)); _Data = shared_data; }
+    // If you want to create ImDrawList instances, pass them ImGui::GetDrawListSharedData().
+    // (advanced: you may create and use your own ImDrawListSharedData so you can use ImDrawList without ImGui, but that's more involved)
+    IMGUI_API ImDrawList(ImDrawListSharedData* shared_data);
+    IMGUI_API ~ImDrawList();
 
-    ~ImDrawList() { _ClearFreeMemory(); }
     IMGUI_API void  PushClipRect(const ImVec2& clip_rect_min, const ImVec2& clip_rect_max, bool intersect_with_current_clip_rect = false);  // Render-level scissoring. This is passed down to your render function but not used for CPU-side coarse clipping. Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling)
     IMGUI_API void  PushClipRectFullScreen();
     IMGUI_API void  PopClipRect();
@@ -3122,7 +3108,7 @@ struct ImDrawList
     IMGUI_API void  AddEllipse(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot = 0.0f, int num_segments = 0, float thickness = 1.0f);
     IMGUI_API void  AddEllipseFilled(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot = 0.0f, int num_segments = 0);
     IMGUI_API void  AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL);
-    IMGUI_API void  AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec4* cpu_fine_clip_rect = NULL);
+    IMGUI_API void  AddText(ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec4* cpu_fine_clip_rect = NULL);
     IMGUI_API void  AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments = 0); // Cubic Bezier (4 control points)
     IMGUI_API void  AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments = 0);               // Quadratic Bezier (3 control points)
 
@@ -3251,8 +3237,8 @@ struct ImFontConfig
     float           SizePixels;             //          // Size in pixels for rasterizer (more or less maps to the resulting font height).
     int             OversampleH;            // 2        // Rasterize at higher quality for sub-pixel positioning. Note the difference between 2 and 3 is minimal. You can reduce this to 1 for large glyphs save memory. Read https://github.com/nothings/stb/blob/master/tests/oversample/README.md for details.
     int             OversampleV;            // 1        // Rasterize at higher quality for sub-pixel positioning. This is not really useful as we don't use sub-pixel positions on the Y axis.
-    bool            PixelSnapH;             // false    // Align every glyph to pixel boundary. Useful e.g. if you are merging a non-pixel aligned font with the default font. If enabled, you can set OversampleH/V to 1.
-    ImVec2          GlyphExtraSpacing;      // 0, 0     // Extra spacing (in pixels) between glyphs. Only X axis is supported for now.
+    bool            PixelSnapH;             // false    // Align every glyph AdvanceX to pixel boundaries. Useful e.g. if you are merging a non-pixel aligned font with the default font. If enabled, you can set OversampleH/V to 1.
+    ImVec2          GlyphExtraSpacing;      // 0, 0     // Extra spacing (in pixels) between glyphs when rendered: essentially add to glyph->AdvanceX. Only X axis is supported for now.
     ImVec2          GlyphOffset;            // 0, 0     // Offset all glyphs from this font input.
     const ImWchar*  GlyphRanges;            // NULL     // THE ARRAY DATA NEEDS TO PERSIST AS LONG AS THE FONT IS ALIVE. Pointer to a user-provided list of Unicode range (2 value per range, values are inclusive, zero-terminated list).
     float           GlyphMinAdvanceX;       // 0        // Minimum AdvanceX for glyphs, set Min to align font icons, set both Min/Max to enforce mono-space font
@@ -3261,7 +3247,7 @@ struct ImFontConfig
     unsigned int    FontBuilderFlags;       // 0        // Settings for custom font builder. THIS IS BUILDER IMPLEMENTATION DEPENDENT. Leave as zero if unsure.
     float           RasterizerMultiply;     // 1.0f     // Linearly brighten (>1.0f) or darken (<1.0f) font output. Brightening small fonts may be a good workaround to make them more readable. This is a silly thing we may remove in the future.
     float           RasterizerDensity;      // 1.0f     // DPI scale for rasterization, not altering other font metrics: make it easy to swap between e.g. a 100% and a 400% fonts for a zooming display. IMPORTANT: If you increase this it is expected that you increase font scale accordingly, otherwise quality may look lowered.
-    ImWchar         EllipsisChar;           // -1       // Explicitly specify unicode codepoint of ellipsis character. When fonts are being merged first specified ellipsis will be used.
+    ImWchar         EllipsisChar;           // 0        // Explicitly specify unicode codepoint of ellipsis character. When fonts are being merged first specified ellipsis will be used.
 
     // [Internal]
     char            Name[40];               // Name (strictly to ease debugging)
@@ -3301,13 +3287,16 @@ struct ImFontGlyphRangesBuilder
 // See ImFontAtlas::AddCustomRectXXX functions.
 struct ImFontAtlasCustomRect
 {
-    unsigned short  Width, Height;  // Input    // Desired rectangle dimension
     unsigned short  X, Y;           // Output   // Packed position in Atlas
-    unsigned int    GlyphID;        // Input    // For custom font glyphs only (ID < 0x110000)
+
+    // [Internal]
+    unsigned short  Width, Height;  // Input    // Desired rectangle dimension
+    unsigned int    GlyphID : 31;   // Input    // For custom font glyphs only (ID < 0x110000)
+    unsigned int    GlyphColored : 1; // Input  // For custom font glyphs only: glyph is colored, removed tinting.
     float           GlyphAdvanceX;  // Input    // For custom font glyphs only: glyph xadvance
     ImVec2          GlyphOffset;    // Input    // For custom font glyphs only: glyph display offset
     ImFont*         Font;           // Input    // For custom font glyphs only: target font
-    ImFontAtlasCustomRect()         { Width = Height = 0; X = Y = 0xFFFF; GlyphID = 0; GlyphAdvanceX = 0.0f; GlyphOffset = ImVec2(0, 0); Font = NULL; }
+    ImFontAtlasCustomRect()         { X = Y = 0xFFFF; Width = Height = 0; GlyphID = 0; GlyphColored = 0; GlyphAdvanceX = 0.0f; GlyphOffset = ImVec2(0, 0); Font = NULL; }
     bool IsPacked() const           { return X != 0xFFFF; }
 };
 
@@ -3407,7 +3396,7 @@ struct ImFontAtlas
     ImFontAtlasFlags            Flags;              // Build flags (see ImFontAtlasFlags_)
     ImTextureID                 TexID;              // User data to refer to the texture once it has been uploaded to user's graphic systems. It is passed back to you during rendering via the ImDrawCmd structure.
     int                         TexDesiredWidth;    // Texture width desired by user before Build(). Must be a power-of-two. If have many glyphs your graphics API have texture size restrictions you may want to increase texture width to decrease height.
-    int                         TexGlyphPadding;    // Padding between glyphs within texture in pixels. Defaults to 1. If your rendering method doesn't rely on bilinear filtering you may set this to 0 (will also need to set AntiAliasedLinesUseTex = false).
+    int                         TexGlyphPadding;    // FIXME: Should be called "TexPackPadding". Padding between glyphs within texture in pixels. Defaults to 1. If your rendering method doesn't rely on bilinear filtering you may set this to 0 (will also need to set AntiAliasedLinesUseTex = false).
     bool                        Locked;             // Marked as Locked by ImGui::NewFrame() so attempt to modify the atlas will assert.
     void*                       UserData;           // Store your own atlas related user-data (if e.g. you have multiple font atlas).
 
@@ -3443,23 +3432,24 @@ struct ImFontAtlas
 // ImFontAtlas automatically loads a default embedded font for you when you call GetTexDataAsAlpha8() or GetTexDataAsRGBA32().
 struct ImFont
 {
-    // Members: Hot ~20/24 bytes (for CalcTextSize)
+    // [Internal] Members: Hot ~20/24 bytes (for CalcTextSize)
     ImVector<float>             IndexAdvanceX;      // 12-16 // out //            // Sparse. Glyphs->AdvanceX in a directly indexable way (cache-friendly for CalcTextSize functions which only this info, and are often bottleneck in large UI).
     float                       FallbackAdvanceX;   // 4     // out // = FallbackGlyph->AdvanceX
     float                       FontSize;           // 4     // in  //            // Height of characters/line, set during loading (don't change after loading)
 
-    // Members: Hot ~28/40 bytes (for CalcTextSize + render loop)
+    // [Internal] Members: Hot ~28/40 bytes (for RenderText loop)
     ImVector<ImWchar>           IndexLookup;        // 12-16 // out //            // Sparse. Index glyphs by Unicode code-point.
     ImVector<ImFontGlyph>       Glyphs;             // 12-16 // out //            // All glyphs.
     const ImFontGlyph*          FallbackGlyph;      // 4-8   // out // = FindGlyph(FontFallbackChar)
 
-    // Members: Cold ~32/40 bytes
+    // [Internal] Members: Cold ~32/40 bytes
+    // Conceptually ConfigData[] is the list of font sources merged to create this font.
     ImFontAtlas*                ContainerAtlas;     // 4-8   // out //            // What we has been loaded into
-    const ImFontConfig*         ConfigData;         // 4-8   // in  //            // Pointer within ContainerAtlas->ConfigData
+    const ImFontConfig*         ConfigData;         // 4-8   // in  //            // Pointer within ContainerAtlas->ConfigData to ConfigDataCount instances
     short                       ConfigDataCount;    // 2     // in  // ~ 1        // Number of ImFontConfig involved in creating this font. Bigger than 1 when merging multiple font sources into one ImFont.
-    ImWchar                     FallbackChar;       // 2     // out // = FFFD/'?' // Character used if a glyph isn't found.
-    ImWchar                     EllipsisChar;       // 2     // out // = '...'/'.'// Character used for ellipsis rendering.
     short                       EllipsisCharCount;  // 1     // out // 1 or 3
+    ImWchar                     EllipsisChar;       // 2-4   // out // = '...'/'.'// Character used for ellipsis rendering.
+    ImWchar                     FallbackChar;       // 2-4   // out // = FFFD/'?' // Character used if a glyph isn't found.
     float                       EllipsisWidth;      // 4     // out               // Width
     float                       EllipsisCharStep;   // 4     // out               // Step between characters when EllipsisCount > 0
     bool                        DirtyLookupTables;  // 1     // out //
@@ -3471,18 +3461,18 @@ struct ImFont
     // Methods
     IMGUI_API ImFont();
     IMGUI_API ~ImFont();
-    IMGUI_API const ImFontGlyph*FindGlyph(ImWchar c) const;
-    IMGUI_API const ImFontGlyph*FindGlyphNoFallback(ImWchar c) const;
-    float                       GetCharAdvance(ImWchar c) const     { return ((int)c < IndexAdvanceX.Size) ? IndexAdvanceX[(int)c] : FallbackAdvanceX; }
+    IMGUI_API const ImFontGlyph*FindGlyph(ImWchar c);
+    IMGUI_API const ImFontGlyph*FindGlyphNoFallback(ImWchar c);
+    float                       GetCharAdvance(ImWchar c)           { return ((int)c < IndexAdvanceX.Size) ? IndexAdvanceX[(int)c] : FallbackAdvanceX; }
     bool                        IsLoaded() const                    { return ContainerAtlas != NULL; }
     const char*                 GetDebugName() const                { return ConfigData ? ConfigData->Name : "<unknown>"; }
 
     // 'max_width' stops rendering after a certain width (could be turned into a 2d size). FLT_MAX to disable.
     // 'wrap_width' enable automatic word-wrapping across multiple lines to fit into given width. 0.0f to disable.
-    IMGUI_API ImVec2            CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8
-    IMGUI_API const char*       CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const;
-    IMGUI_API void              RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c) const;
-    IMGUI_API void              RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width = 0.0f, bool cpu_fine_clip = false) const;
+    IMGUI_API ImVec2            CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL); // utf8
+    IMGUI_API const char*       CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width);
+    IMGUI_API void              RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c);
+    IMGUI_API void              RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width = 0.0f, bool cpu_fine_clip = false);
 
     // [Internal] Don't use!
     IMGUI_API void              BuildLookupTable();
@@ -3616,9 +3606,6 @@ namespace ImGui
     // OBSOLETED in 1.89.4 (from March 2023)
     static inline void  PushAllowKeyboardFocus(bool tab_stop)                   { PushItemFlag(ImGuiItemFlags_NoTabStop, !tab_stop); }
     static inline void  PopAllowKeyboardFocus()                                 { PopItemFlag(); }
-    // OBSOLETED in 1.87 (from February 2022 but more formally obsoleted April 2024)
-    IMGUI_API ImGuiKey  GetKeyIndex(ImGuiKey key);                              // Map ImGuiKey_* values into legacy native key index. == io.KeyMap[key]. When using a 1.87+ backend using io.AddKeyEvent(), calling GetKeyIndex() with ANY ImGuiKey_XXXX values will return the same value!
-    //static inline ImGuiKey GetKeyIndex(ImGuiKey key)                          { IM_ASSERT(key >= ImGuiKey_NamedKey_BEGIN && key < ImGuiKey_NamedKey_END); return key; }
 
     // Some of the older obsolete names along with their replacement (commented out so they are not reported in IDE)
     //-- OBSOLETED in 1.89 (from August 2022)
@@ -3626,6 +3613,9 @@ namespace ImGui
     //-- OBSOLETED in 1.88 (from May 2022)
     //static inline void  CaptureKeyboardFromApp(bool want_capture_keyboard = true)                   { SetNextFrameWantCaptureKeyboard(want_capture_keyboard); } // Renamed as name was misleading + removed default value.
     //static inline void  CaptureMouseFromApp(bool want_capture_mouse = true)                         { SetNextFrameWantCaptureMouse(want_capture_mouse); }       // Renamed as name was misleading + removed default value.
+    //-- OBSOLETED in 1.87 (from February 2022, more formally obsoleted April 2024)
+    //IMGUI_API ImGuiKey  GetKeyIndex(ImGuiKey key);                                                  { IM_ASSERT(key >= ImGuiKey_NamedKey_BEGIN && key < ImGuiKey_NamedKey_END); const ImGuiKeyData* key_data = GetKeyData(key); return (ImGuiKey)(key_data - g.IO.KeysData); } // Map ImGuiKey_* values into legacy native key index. == io.KeyMap[key]. When using a 1.87+ backend using io.AddKeyEvent(), calling GetKeyIndex() with ANY ImGuiKey_XXXX values will return the same value!
+    //static inline ImGuiKey GetKeyIndex(ImGuiKey key)                                                { IM_ASSERT(key >= ImGuiKey_NamedKey_BEGIN && key < ImGuiKey_NamedKey_END); return key; }
     //-- OBSOLETED in 1.86 (from November 2021)
     //IMGUI_API void      CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end); // Code removed, see 1.90 for last version of the code. Calculate range of visible items for large list of evenly sized items. Prefer using ImGuiListClipper.
     //-- OBSOLETED in 1.85 (from August 2021)

3rdparty/dear-imgui/imgui_demo.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.91.4
+// dear imgui, v1.91.7 WIP
 // (demo code)
 
 // Help:
@@ -145,12 +145,16 @@ Index of this file:
 #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"  // warning: implicit conversion from 'xxx' to 'float' may lose precision
 #pragma clang diagnostic ignored "-Wunsafe-buffer-usage"            // warning: 'xxx' is an unsafe pointer used for buffer access
 #elif defined(__GNUC__)
-#pragma GCC diagnostic ignored "-Wpragmas"                  // warning: unknown option after '#pragma GCC diagnostic' kind
-#pragma GCC diagnostic ignored "-Wint-to-pointer-cast"      // warning: cast to pointer from integer of different size
-#pragma GCC diagnostic ignored "-Wformat-security"          // warning: format string is not a string literal (potentially insecure)
-#pragma GCC diagnostic ignored "-Wdouble-promotion"         // warning: implicit conversion from 'float' to 'double' when passing argument to function
-#pragma GCC diagnostic ignored "-Wconversion"               // warning: conversion to 'xxxx' from 'xxxx' may alter its value
-#pragma GCC diagnostic ignored "-Wmisleading-indentation"   // [__GNUC__ >= 6] warning: this 'if' clause does not guard this statement      // GCC 6.0+ only. See #883 on GitHub.
+#pragma GCC diagnostic ignored "-Wpragmas"                          // warning: unknown option after '#pragma GCC diagnostic' kind
+#pragma GCC diagnostic ignored "-Wfloat-equal"                      // warning: comparing floating-point with '==' or '!=' is unsafe
+#pragma GCC diagnostic ignored "-Wint-to-pointer-cast"              // warning: cast to pointer from integer of different size
+#pragma GCC diagnostic ignored "-Wformat"                           // warning: format '%p' expects argument of type 'int'/'void*', but argument X has type 'unsigned int'/'ImGuiWindow*'
+#pragma GCC diagnostic ignored "-Wformat-security"                  // warning: format string is not a string literal (potentially insecure)
+#pragma GCC diagnostic ignored "-Wdouble-promotion"                 // warning: implicit conversion from 'float' to 'double' when passing argument to function
+#pragma GCC diagnostic ignored "-Wconversion"                       // warning: conversion to 'xxxx' from 'xxxx' may alter its value
+#pragma GCC diagnostic ignored "-Wmisleading-indentation"           // [__GNUC__ >= 6] warning: this 'if' clause does not guard this statement      // GCC 6.0+ only. See #883 on GitHub.
+#pragma GCC diagnostic ignored "-Wstrict-overflow"                  // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
+#pragma GCC diagnostic ignored "-Wcast-qual"                        // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
 #endif
 
 // Play it nice with Windows users (Update: May 2018, Notepad now supports Unix-style carriage returns!)
@@ -308,6 +312,13 @@ static ExampleTreeNode* ExampleTree_CreateNode(const char* name, int uid, Exampl
     return node;
 }
 
+static void ExampleTree_DestroyNode(ExampleTreeNode* node)
+{
+    for (ExampleTreeNode* child_node : node->Childs)
+        ExampleTree_DestroyNode(child_node);
+    IM_DELETE(node);
+}
+
 // Create example tree data
 // (this allocates _many_ more times than most other code in either Dear ImGui or others demo)
 static ExampleTreeNode* ExampleTree_CreateDemoTree()
@@ -343,7 +354,7 @@ static ExampleTreeNode* ExampleTree_CreateDemoTree()
 // [SECTION] Demo Window / ShowDemoWindow()
 //-----------------------------------------------------------------------------
 
-// Data to be shared accross different functions of the demo.
+// Data to be shared across different functions of the demo.
 struct ImGuiDemoWindowData
 {
     // Examples Apps (accessible from the "Examples" menu)
@@ -371,6 +382,8 @@ struct ImGuiDemoWindowData
 
     // Other data
     ExampleTreeNode* DemoTree = NULL;
+
+    ~ImGuiDemoWindowData() { if (DemoTree) ExampleTree_DestroyNode(DemoTree); }
 };
 
 // Demonstrate most Dear ImGui features (this is big function!)
@@ -541,6 +554,15 @@ void ImGui::ShowDemoWindow(bool* p_open)
             ImGui::Checkbox("io.ConfigNavCursorVisibleAlways", &io.ConfigNavCursorVisibleAlways);
             ImGui::SameLine(); HelpMarker("Navigation cursor is always visible.");
 
+            ImGui::SeparatorText("Windows");
+            ImGui::Checkbox("io.ConfigWindowsResizeFromEdges", &io.ConfigWindowsResizeFromEdges);
+            ImGui::SameLine(); HelpMarker("Enable resizing of windows from their edges and from the lower-left corner.\nThis requires ImGuiBackendFlags_HasMouseCursors for better mouse cursor feedback.");
+            ImGui::Checkbox("io.ConfigWindowsMoveFromTitleBarOnly", &io.ConfigWindowsMoveFromTitleBarOnly);
+            ImGui::Checkbox("io.ConfigWindowsCopyContentsWithCtrlC", &io.ConfigWindowsCopyContentsWithCtrlC); // [EXPERIMENTAL]
+            ImGui::SameLine(); HelpMarker("*EXPERIMENTAL* CTRL+C copy the contents of focused window into the clipboard.\n\nExperimental because:\n- (1) has known issues with nested Begin/End pairs.\n- (2) text output quality varies.\n- (3) text output is in submission order rather than spatial order.");
+            ImGui::Checkbox("io.ConfigScrollbarScrollByPage", &io.ConfigScrollbarScrollByPage);
+            ImGui::SameLine(); HelpMarker("Enable scrolling page by page when clicking outside the scrollbar grab.\nWhen disabled, always scroll to clicked location.\nWhen enabled, Shift+Click scrolls to clicked location.");
+
             ImGui::SeparatorText("Widgets");
             ImGui::Checkbox("io.ConfigInputTextCursorBlink", &io.ConfigInputTextCursorBlink);
             ImGui::SameLine(); HelpMarker("Enable blinking cursor (optional as some users consider it to be distracting).");
@@ -548,11 +570,6 @@ void ImGui::ShowDemoWindow(bool* p_open)
             ImGui::SameLine(); HelpMarker("Pressing Enter will keep item active and select contents (single-line only).");
             ImGui::Checkbox("io.ConfigDragClickToInputText", &io.ConfigDragClickToInputText);
             ImGui::SameLine(); HelpMarker("Enable turning DragXXX widgets into text input with a simple mouse click-release (without moving).");
-            ImGui::Checkbox("io.ConfigWindowsResizeFromEdges", &io.ConfigWindowsResizeFromEdges);
-            ImGui::SameLine(); HelpMarker("Enable resizing of windows from their edges and from the lower-left corner.\nThis requires (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors) because it needs mouse cursor feedback.");
-            ImGui::Checkbox("io.ConfigWindowsMoveFromTitleBarOnly", &io.ConfigWindowsMoveFromTitleBarOnly);
-            ImGui::Checkbox("io.ConfigScrollbarScrollByPage", &io.ConfigScrollbarScrollByPage);
-            ImGui::SameLine(); HelpMarker("Enable scrolling page by page when clicking outside the scrollbar grab.\nWhen disabled, always scroll to clicked location.\nWhen enabled, Shift+Click scrolls to clicked location.");
             ImGui::Checkbox("io.ConfigMacOSXBehaviors", &io.ConfigMacOSXBehaviors);
             ImGui::SameLine(); HelpMarker("Swap Cmd<>Ctrl keys, enable various MacOS style behaviors.");
             ImGui::Text("Also see Style->Rendering for rendering options.");
@@ -1817,6 +1834,16 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data)
             ImGui::TreePop();
         }
 
+        IMGUI_DEMO_MARKER("Widgets/Text Input/Eliding, Alignment");
+        if (ImGui::TreeNode("Eliding, Alignment"))
+        {
+            static char buf1[128] = "/path/to/some/folder/with/long/filename.cpp";
+            static ImGuiInputTextFlags flags = ImGuiInputTextFlags_ElideLeft;
+            ImGui::CheckboxFlags("ImGuiInputTextFlags_ElideLeft", &flags, ImGuiInputTextFlags_ElideLeft);
+            ImGui::InputText("Path", buf1, IM_ARRAYSIZE(buf1), flags);
+            ImGui::TreePop();
+        }
+
         IMGUI_DEMO_MARKER("Widgets/Text Input/Miscellaneous");
         if (ImGui::TreeNode("Miscellaneous"))
         {
@@ -2287,6 +2314,8 @@ static void ShowDemoWindowWidgets(ImGuiDemoWindowData* demo_data)
         ImGui::SameLine(); HelpMarker("Disable rounding underlying value to match precision of the format string (e.g. %.3f values are rounded to those 3 digits).");
         ImGui::CheckboxFlags("ImGuiSliderFlags_NoInput", &flags, ImGuiSliderFlags_NoInput);
         ImGui::SameLine(); HelpMarker("Disable CTRL+Click or Enter key allowing to input text directly into the widget.");
+        ImGui::CheckboxFlags("ImGuiSliderFlags_NoSpeedTweaks", &flags, ImGuiSliderFlags_NoSpeedTweaks);
+        ImGui::SameLine(); HelpMarker("Disable keyboard modifiers altering tweak speed. Useful if you want to alter tweak speed yourself based on your own logic.");
         ImGui::CheckboxFlags("ImGuiSliderFlags_WrapAround", &flags, ImGuiSliderFlags_WrapAround);
         ImGui::SameLine(); HelpMarker("Enable wrapping around from max to min and from min to max (only supported by DragXXX() functions)");
 
@@ -7366,13 +7395,8 @@ static void ShowDemoWindowInputs()
             // displaying the data for old/new backends.
             // User code should never have to go through such hoops!
             // You can generally iterate between ImGuiKey_NamedKey_BEGIN and ImGuiKey_NamedKey_END.
-#ifdef IMGUI_DISABLE_OBSOLETE_KEYIO
             struct funcs { static bool IsLegacyNativeDupe(ImGuiKey) { return false; } };
             ImGuiKey start_key = ImGuiKey_NamedKey_BEGIN;
-#else
-            struct funcs { static bool IsLegacyNativeDupe(ImGuiKey key) { return key >= 0 && key < 512 && ImGui::GetIO().KeyMap[key] != -1; } }; // Hide Native<>ImGuiKey duplicates when both exists in the array
-            ImGuiKey start_key = (ImGuiKey)0;
-#endif
             ImGui::Text("Keys down:");         for (ImGuiKey key = start_key; key < ImGuiKey_NamedKey_END; key = (ImGuiKey)(key + 1)) { if (funcs::IsLegacyNativeDupe(key) || !ImGui::IsKeyDown(key)) continue; ImGui::SameLine(); ImGui::Text((key < ImGuiKey_NamedKey_BEGIN) ? "\"%s\"" : "\"%s\" %d", ImGui::GetKeyName(key), key); }
             ImGui::Text("Keys mods: %s%s%s%s", io.KeyCtrl ? "CTRL " : "", io.KeyShift ? "SHIFT " : "", io.KeyAlt ? "ALT " : "", io.KeySuper ? "SUPER " : "");
             ImGui::Text("Chars queue:");       for (int i = 0; i < io.InputQueueCharacters.Size; i++) { ImWchar c = io.InputQueueCharacters[i]; ImGui::SameLine();  ImGui::Text("\'%c\' (0x%04X)", (c > ' ' && c <= 255) ? (char)c : '?', c); } // FIXME: We should convert 'c' to UTF-8 here but the functions are not public.
@@ -7695,9 +7719,6 @@ void ImGui::ShowAboutWindow(bool* p_open)
 #ifdef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
         ImGui::Text("define: IMGUI_DISABLE_OBSOLETE_FUNCTIONS");
 #endif
-#ifdef IMGUI_DISABLE_OBSOLETE_KEYIO
-        ImGui::Text("define: IMGUI_DISABLE_OBSOLETE_KEYIO");
-#endif
 #ifdef IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS
         ImGui::Text("define: IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS");
 #endif
@@ -10170,7 +10191,7 @@ struct ExampleAssetsBrowser
         }
 
         ImGuiIO& io = ImGui::GetIO();
-        ImGui::SetNextWindowContentSize(ImVec2(0.0f, LayoutOuterPadding + LayoutLineCount * (LayoutItemSize.x + LayoutItemSpacing)));
+        ImGui::SetNextWindowContentSize(ImVec2(0.0f, LayoutOuterPadding + LayoutLineCount * (LayoutItemSize.y + LayoutItemSpacing)));
         if (ImGui::BeginChild("Assets", ImVec2(0.0f, -ImGui::GetTextLineHeightWithSpacing()), ImGuiChildFlags_Borders, ImGuiWindowFlags_NoMove))
         {
             ImDrawList* draw_list = ImGui::GetWindowDrawList();
@@ -10220,7 +10241,7 @@ struct ExampleAssetsBrowser
 
             // Rendering parameters
             const ImU32 icon_type_overlay_colors[3] = { 0, IM_COL32(200, 70, 70, 255), IM_COL32(70, 170, 70, 255) };
-            const ImU32 icon_bg_color = ImGui::GetColorU32(ImGuiCol_MenuBarBg);
+            const ImU32 icon_bg_color = ImGui::GetColorU32(IM_COL32(35, 35, 35, 220));
             const ImVec2 icon_type_overlay_size = ImVec2(4.0f, 4.0f);
             const bool display_label = (LayoutItemSize.x >= ImGui::CalcTextSize("999").x);
 
@@ -10382,6 +10403,8 @@ void ImGui::ShowAboutWindow(bool*) {}
 void ImGui::ShowDemoWindow(bool*) {}
 void ImGui::ShowUserGuide() {}
 void ImGui::ShowStyleEditor(ImGuiStyle*) {}
+bool ImGui::ShowStyleSelector(const char* label) { return false; }
+void ImGui::ShowFontSelector(const char* label) {}
 
 #endif
 

3rdparty/dear-imgui/imgui_draw.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.91.4
+// dear imgui, v1.91.7 WIP
 // (drawing and font code)
 
 /*
@@ -14,7 +14,7 @@ Index of this file:
 // [SECTION] Helpers ShadeVertsXXX functions
 // [SECTION] ImFontConfig
 // [SECTION] ImFontAtlas
-// [SECTION] ImFontAtlas glyph ranges helpers
+// [SECTION] ImFontAtlas: glyph ranges helpers
 // [SECTION] ImFontGlyphRangesBuilder
 // [SECTION] ImFont
 // [SECTION] ImGui Internal Render Helpers
@@ -66,13 +66,18 @@ Index of this file:
 #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"  // warning: implicit conversion from 'xxx' to 'float' may lose precision
 #pragma clang diagnostic ignored "-Wreserved-identifier"            // warning: identifier '_Xxx' is reserved because it starts with '_' followed by a capital letter
 #pragma clang diagnostic ignored "-Wunsafe-buffer-usage"            // warning: 'xxx' is an unsafe pointer used for buffer access
+#pragma clang diagnostic ignored "-Wnontrivial-memaccess"           // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type
+#pragma clang diagnostic ignored "-Wcast-qual"                      // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier
 #elif defined(__GNUC__)
-#pragma GCC diagnostic ignored "-Wpragmas"                  // warning: unknown option after '#pragma GCC diagnostic' kind
-#pragma GCC diagnostic ignored "-Wunused-function"          // warning: 'xxxx' defined but not used
-#pragma GCC diagnostic ignored "-Wdouble-promotion"         // warning: implicit conversion from 'float' to 'double' when passing argument to function
-#pragma GCC diagnostic ignored "-Wconversion"               // warning: conversion to 'xxxx' from 'xxxx' may alter its value
-#pragma GCC diagnostic ignored "-Wstack-protector"          // warning: stack protector not protecting local variables: variable length buffer
-#pragma GCC diagnostic ignored "-Wclass-memaccess"          // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#pragma GCC diagnostic ignored "-Wpragmas"                          // warning: unknown option after '#pragma GCC diagnostic' kind
+#pragma GCC diagnostic ignored "-Wunused-function"                  // warning: 'xxxx' defined but not used
+#pragma GCC diagnostic ignored "-Wfloat-equal"                      // warning: comparing floating-point with '==' or '!=' is unsafe
+#pragma GCC diagnostic ignored "-Wdouble-promotion"                 // warning: implicit conversion from 'float' to 'double' when passing argument to function
+#pragma GCC diagnostic ignored "-Wconversion"                       // warning: conversion to 'xxxx' from 'xxxx' may alter its value
+#pragma GCC diagnostic ignored "-Wstack-protector"                  // warning: stack protector not protecting local variables: variable length buffer
+#pragma GCC diagnostic ignored "-Wstrict-overflow"                  // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
+#pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#pragma GCC diagnostic ignored "-Wcast-qual"                        // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
 #endif
 
 //-------------------------------------------------------------------------
@@ -101,16 +106,15 @@ namespace IMGUI_STB_NAMESPACE
 
 #if defined(__clang__)
 #pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wunused-function"        // warning: 'xxxx' defined but not used
 #pragma clang diagnostic ignored "-Wmissing-prototypes"
 #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
-#pragma clang diagnostic ignored "-Wcast-qual"              // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier
 #endif
 
 #if defined(__GNUC__)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wtype-limits"              // warning: comparison is always true due to limited range of data type [-Wtype-limits]
-#pragma GCC diagnostic ignored "-Wcast-qual"                // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
+#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"     // warning: this statement may fall through
 #endif
 
 #ifndef STB_RECT_PACK_IMPLEMENTATION                        // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
@@ -217,7 +221,7 @@ void ImGui::StyleColorsDark(ImGuiStyle* dst)
     colors[ImGuiCol_TabSelectedOverline]    = colors[ImGuiCol_HeaderActive];
     colors[ImGuiCol_TabDimmed]              = ImLerp(colors[ImGuiCol_Tab],          colors[ImGuiCol_TitleBg], 0.80f);
     colors[ImGuiCol_TabDimmedSelected]      = ImLerp(colors[ImGuiCol_TabSelected],  colors[ImGuiCol_TitleBg], 0.40f);
-    colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
+    colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.50f, 0.50f, 0.50f, 0.00f);
     colors[ImGuiCol_PlotLines]              = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
     colors[ImGuiCol_PlotLinesHovered]       = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
     colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
@@ -280,7 +284,7 @@ void ImGui::StyleColorsClassic(ImGuiStyle* dst)
     colors[ImGuiCol_TabSelectedOverline]    = colors[ImGuiCol_HeaderActive];
     colors[ImGuiCol_TabDimmed]              = ImLerp(colors[ImGuiCol_Tab],          colors[ImGuiCol_TitleBg], 0.80f);
     colors[ImGuiCol_TabDimmedSelected]      = ImLerp(colors[ImGuiCol_TabSelected],  colors[ImGuiCol_TitleBg], 0.40f);
-    colors[ImGuiCol_TabDimmedSelectedOverline] = colors[ImGuiCol_HeaderActive];
+    colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.53f, 0.53f, 0.87f, 0.00f);
     colors[ImGuiCol_PlotLines]              = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
     colors[ImGuiCol_PlotLinesHovered]       = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
     colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
@@ -344,7 +348,7 @@ void ImGui::StyleColorsLight(ImGuiStyle* dst)
     colors[ImGuiCol_TabSelectedOverline]    = colors[ImGuiCol_HeaderActive];
     colors[ImGuiCol_TabDimmed]              = ImLerp(colors[ImGuiCol_Tab],          colors[ImGuiCol_TitleBg], 0.80f);
     colors[ImGuiCol_TabDimmedSelected]      = ImLerp(colors[ImGuiCol_TabSelected],  colors[ImGuiCol_TitleBg], 0.40f);
-    colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.26f, 0.59f, 1.00f, 1.00f);
+    colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.26f, 0.59f, 1.00f, 0.00f);
     colors[ImGuiCol_PlotLines]              = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
     colors[ImGuiCol_PlotLinesHovered]       = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
     colors[ImGuiCol_PlotHistogram]          = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
@@ -393,6 +397,17 @@ void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error)
     ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
 }
 
+ImDrawList::ImDrawList(ImDrawListSharedData* shared_data)
+{
+    memset(this, 0, sizeof(*this));
+    _Data = shared_data;
+}
+
+ImDrawList::~ImDrawList()
+{
+    _ClearFreeMemory();
+}
+
 // Initialize before use in a new frame. We always have a command ready in the buffer.
 // In the majority of cases, you would want to call PushClipRect() and PushTextureID() after this.
 void ImDrawList::_ResetForNewFrame()
@@ -1646,7 +1661,7 @@ void ImDrawList::AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const Im
     PathStroke(col, 0, thickness);
 }
 
-void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect)
+void ImDrawList::AddText(ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect)
 {
     if ((col & IM_COL32_A_MASK) == 0)
         return;
@@ -2365,12 +2380,44 @@ ImFontConfig::ImFontConfig()
     GlyphMaxAdvanceX = FLT_MAX;
     RasterizerMultiply = 1.0f;
     RasterizerDensity = 1.0f;
-    EllipsisChar = (ImWchar)-1;
+    EllipsisChar = 0;
 }
 
 //-----------------------------------------------------------------------------
 // [SECTION] ImFontAtlas
 //-----------------------------------------------------------------------------
+// - Default texture data encoded in ASCII
+// - ImFontAtlas::ClearInputData()
+// - ImFontAtlas::ClearTexData()
+// - ImFontAtlas::ClearFonts()
+// - ImFontAtlas::Clear()
+// - ImFontAtlas::GetTexDataAsAlpha8()
+// - ImFontAtlas::GetTexDataAsRGBA32()
+// - ImFontAtlas::AddFont()
+// - ImFontAtlas::AddFontDefault()
+// - ImFontAtlas::AddFontFromFileTTF()
+// - ImFontAtlas::AddFontFromMemoryTTF()
+// - ImFontAtlas::AddFontFromMemoryCompressedTTF()
+// - ImFontAtlas::AddFontFromMemoryCompressedBase85TTF()
+// - ImFontAtlas::AddCustomRectRegular()
+// - ImFontAtlas::AddCustomRectFontGlyph()
+// - ImFontAtlas::CalcCustomRectUV()
+// - ImFontAtlas::GetMouseCursorTexData()
+// - ImFontAtlas::Build()
+// - ImFontAtlasBuildMultiplyCalcLookupTable()
+// - ImFontAtlasBuildMultiplyRectAlpha8()
+// - ImFontAtlasBuildWithStbTruetype()
+// - ImFontAtlasGetBuilderForStbTruetype()
+// - ImFontAtlasUpdateConfigDataPointers()
+// - ImFontAtlasBuildSetupFont()
+// - ImFontAtlasBuildPackCustomRects()
+// - ImFontAtlasBuildRender8bppRectFromString()
+// - ImFontAtlasBuildRender32bppRectFromString()
+// - ImFontAtlasBuildRenderDefaultTexData()
+// - ImFontAtlasBuildRenderLinesTexData()
+// - ImFontAtlasBuildInit()
+// - ImFontAtlasBuildFinish()
+//-----------------------------------------------------------------------------
 
 // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
 // The 2x2 white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes.
@@ -2527,6 +2574,7 @@ ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
     IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
     IM_ASSERT(font_cfg->SizePixels > 0.0f && "Is ImFontConfig struct correctly initialized?");
     IM_ASSERT(font_cfg->OversampleH > 0 && font_cfg->OversampleV > 0 && "Is ImFontConfig struct correctly initialized?");
+    IM_ASSERT(font_cfg->RasterizerDensity > 0.0f);
 
     // Create new font
     if (!font_cfg->MergeMode)
@@ -2545,9 +2593,13 @@ ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
         memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
     }
 
-    if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1)
-        new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar;
+    // Round font size
+    // - We started rounding in 1.90 WIP (18991) as our layout system currently doesn't support non-rounded font size well yet.
+    // - Note that using io.FontGlobalScale or SetWindowFontScale(), with are legacy-ish, partially supported features, can still lead to unrounded sizes.
+    // - We may support it better later and remove this rounding.
+    new_font_cfg.SizePixels = ImTrunc(new_font_cfg.SizePixels);
 
+    // Pointers to ConfigData and BuilderData are otherwise dangling
     ImFontAtlasUpdateConfigDataPointers(this);
 
     // Invalidate texture
@@ -2559,7 +2611,6 @@ ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
 // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
 static unsigned int stb_decompress_length(const unsigned char* input);
 static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length);
-static const char*  GetDefaultCompressedFontDataTTFBase85();
 static unsigned int Decode85Byte(char c)                                    { return c >= '\\' ? c-36 : c-35; }
 static void         Decode85(const unsigned char* src, unsigned char* dst)
 {
@@ -2571,10 +2622,14 @@ static void         Decode85(const unsigned char* src, unsigned char* dst)
         dst += 4;
     }
 }
+#ifndef IMGUI_DISABLE_DEFAULT_FONT
+static const char* GetDefaultCompressedFontDataTTF(int* out_size);
+#endif
 
 // Load embedded ProggyClean.ttf at size 13, disable oversampling
 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
 {
+#ifndef IMGUI_DISABLE_DEFAULT_FONT
     ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
     if (!font_cfg_template)
     {
@@ -2588,10 +2643,16 @@ ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
     font_cfg.EllipsisChar = (ImWchar)0x0085;
     font_cfg.GlyphOffset.y = 1.0f * IM_TRUNC(font_cfg.SizePixels / 13.0f);  // Add +1 offset per 13 units
 
-    const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
+    int ttf_compressed_size = 0;
+    const char* ttf_compressed = GetDefaultCompressedFontDataTTF(&ttf_compressed_size);
     const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
-    ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges);
+    ImFont* font = AddFontFromMemoryCompressedTTF(ttf_compressed, ttf_compressed_size, font_cfg.SizePixels, &font_cfg, glyph_ranges);
     return font;
+#else
+    IM_ASSERT(0 && "AddFontDefault() disabled in this build.");
+    IM_UNUSED(font_cfg_template);
+    return NULL;
+#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT
 }
 
 ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
@@ -2675,6 +2736,7 @@ int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int
     r.Width = (unsigned short)width;
     r.Height = (unsigned short)height;
     r.GlyphID = id;
+    r.GlyphColored = 0; // Set to 1 manually to mark glyph as colored // FIXME: No official API for that (#8133)
     r.GlyphAdvanceX = advance_x;
     r.GlyphOffset = offset;
     r.Font = font;
@@ -2911,6 +2973,7 @@ static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
     int total_surface = 0;
     int buf_rects_out_n = 0;
     int buf_packedchars_out_n = 0;
+    const int pack_padding = atlas->TexGlyphPadding;
     for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
     {
         ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
@@ -2934,18 +2997,19 @@ static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
 
         // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
         const float scale = (cfg.SizePixels > 0.0f) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels * cfg.RasterizerDensity) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels * cfg.RasterizerDensity);
-        const int padding = atlas->TexGlyphPadding;
         for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
         {
             int x0, y0, x1, y1;
             const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]);
             IM_ASSERT(glyph_index_in_font != 0);
             stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1);
-            src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1);
-            src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1);
+            src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + pack_padding + cfg.OversampleH - 1);
+            src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + pack_padding + cfg.OversampleV - 1);
             total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
         }
     }
+    for (int i = 0; i < atlas->CustomRects.Size; i++)
+        total_surface += (atlas->CustomRects[i].Width + pack_padding) * (atlas->CustomRects[i].Height + pack_padding);
 
     // We need a width for the skyline algorithm, any width!
     // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
@@ -2961,7 +3025,8 @@ static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
     // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
     const int TEX_HEIGHT_MAX = 1024 * 32;
     stbtt_pack_context spc = {};
-    stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL);
+    stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, 0, NULL);
+    spc.padding = atlas->TexGlyphPadding; // Because we mixup stbtt_PackXXX and stbrp_PackXXX there's a bit of a hack here, not passing the value to stbtt_PackBegin() allows us to still pack a TexWidth-1 wide item. (#8107)
     ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
 
     // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
@@ -3107,13 +3172,14 @@ void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opa
     if (user_rects.Size < 1) { __builtin_unreachable(); } // Workaround for GCC bug if IM_ASSERT() is defined to conditionally throw (see #5343)
 #endif
 
+    const int pack_padding = atlas->TexGlyphPadding;
     ImVector<stbrp_rect> pack_rects;
     pack_rects.resize(user_rects.Size);
     memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes());
     for (int i = 0; i < user_rects.Size; i++)
     {
-        pack_rects[i].w = user_rects[i].Width;
-        pack_rects[i].h = user_rects[i].Height;
+        pack_rects[i].w = user_rects[i].Width + pack_padding;
+        pack_rects[i].h = user_rects[i].Height + pack_padding;
     }
     stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size);
     for (int i = 0; i < pack_rects.Size; i++)
@@ -3121,7 +3187,7 @@ void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opa
         {
             user_rects[i].X = (unsigned short)pack_rects[i].x;
             user_rects[i].Y = (unsigned short)pack_rects[i].y;
-            IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height);
+            IM_ASSERT(pack_rects[i].w == user_rects[i].Width + pack_padding && pack_rects[i].h == user_rects[i].Height + pack_padding);
             atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h);
         }
 }
@@ -3152,35 +3218,35 @@ static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
     IM_ASSERT(r->IsPacked());
 
     const int w = atlas->TexWidth;
-    if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
+    if (atlas->Flags & ImFontAtlasFlags_NoMouseCursors)
     {
-        // Render/copy pixels
-        IM_ASSERT(r->Width == FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
-        const int x_for_white = r->X;
-        const int x_for_black = r->X + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
+        // White pixels only
+        IM_ASSERT(r->Width == 2 && r->Height == 2);
+        const int offset = (int)r->X + (int)r->Y * w;
         if (atlas->TexPixelsAlpha8 != NULL)
         {
-            ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', 0xFF);
-            ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', 0xFF);
+            atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
         }
         else
         {
-            ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', IM_COL32_WHITE);
-            ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', IM_COL32_WHITE);
+            atlas->TexPixelsRGBA32[offset] = atlas->TexPixelsRGBA32[offset + 1] = atlas->TexPixelsRGBA32[offset + w] = atlas->TexPixelsRGBA32[offset + w + 1] = IM_COL32_WHITE;
         }
     }
     else
     {
-        // Render 4 white pixels
-        IM_ASSERT(r->Width == 2 && r->Height == 2);
-        const int offset = (int)r->X + (int)r->Y * w;
+        // White pixels and mouse cursor
+        IM_ASSERT(r->Width == FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
+        const int x_for_white = r->X;
+        const int x_for_black = r->X + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
         if (atlas->TexPixelsAlpha8 != NULL)
         {
-            atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
+            ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', 0xFF);
+            ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', 0xFF);
         }
         else
         {
-            atlas->TexPixelsRGBA32[offset] = atlas->TexPixelsRGBA32[offset + 1] = atlas->TexPixelsRGBA32[offset + w] = atlas->TexPixelsRGBA32[offset + w + 1] = IM_COL32_WHITE;
+            ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', IM_COL32_WHITE);
+            ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', IM_COL32_WHITE);
         }
     }
     atlas->TexUvWhitePixel = ImVec2((r->X + 0.5f) * atlas->TexUvScale.x, (r->Y + 0.5f) * atlas->TexUvScale.y);
@@ -3194,38 +3260,38 @@ static void ImFontAtlasBuildRenderLinesTexData(ImFontAtlas* atlas)
     // This generates a triangular shape in the texture, with the various line widths stacked on top of each other to allow interpolation between them
     ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdLines);
     IM_ASSERT(r->IsPacked());
-    for (unsigned int n = 0; n < IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1; n++) // +1 because of the zero-width row
+    for (int n = 0; n < IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1; n++) // +1 because of the zero-width row
     {
         // Each line consists of at least two empty pixels at the ends, with a line of solid pixels in the middle
-        unsigned int y = n;
-        unsigned int line_width = n;
-        unsigned int pad_left = (r->Width - line_width) / 2;
-        unsigned int pad_right = r->Width - (pad_left + line_width);
+        int y = n;
+        int line_width = n;
+        int pad_left = (r->Width - line_width) / 2;
+        int pad_right = r->Width - (pad_left + line_width);
 
         // Write each slice
         IM_ASSERT(pad_left + line_width + pad_right == r->Width && y < r->Height); // Make sure we're inside the texture bounds before we start writing pixels
         if (atlas->TexPixelsAlpha8 != NULL)
         {
             unsigned char* write_ptr = &atlas->TexPixelsAlpha8[r->X + ((r->Y + y) * atlas->TexWidth)];
-            for (unsigned int i = 0; i < pad_left; i++)
+            for (int i = 0; i < pad_left; i++)
                 *(write_ptr + i) = 0x00;
 
-            for (unsigned int i = 0; i < line_width; i++)
+            for (int i = 0; i < line_width; i++)
                 *(write_ptr + pad_left + i) = 0xFF;
 
-            for (unsigned int i = 0; i < pad_right; i++)
+            for (int i = 0; i < pad_right; i++)
                 *(write_ptr + pad_left + line_width + i) = 0x00;
         }
         else
         {
             unsigned int* write_ptr = &atlas->TexPixelsRGBA32[r->X + ((r->Y + y) * atlas->TexWidth)];
-            for (unsigned int i = 0; i < pad_left; i++)
+            for (int i = 0; i < pad_left; i++)
                 *(write_ptr + i) = IM_COL32(255, 255, 255, 0);
 
-            for (unsigned int i = 0; i < line_width; i++)
+            for (int i = 0; i < line_width; i++)
                 *(write_ptr + pad_left + i) = IM_COL32_WHITE;
 
-            for (unsigned int i = 0; i < pad_right; i++)
+            for (int i = 0; i < pad_right; i++)
                 *(write_ptr + pad_left + line_width + i) = IM_COL32(255, 255, 255, 0);
         }
 
@@ -3240,13 +3306,6 @@ static void ImFontAtlasBuildRenderLinesTexData(ImFontAtlas* atlas)
 // Note: this is called / shared by both the stb_truetype and the FreeType builder
 void ImFontAtlasBuildInit(ImFontAtlas* atlas)
 {
-    // Round font size
-    // - We started rounding in 1.90 WIP (18991) as our layout system currently doesn't support non-rounded font size well yet.
-    // - Note that using io.FontGlobalScale or SetWindowFontScale(), with are legacy-ish, partially supported features, can still lead to unrounded sizes.
-    // - We may support it better later and remove this rounding.
-    for (ImFontConfig& cfg : atlas->ConfigData)
-       cfg.SizePixels = ImTrunc(cfg.SizePixels);
-
     // Register texture region for mouse cursors or standard white pixels
     if (atlas->PackIdMouseCursors < 0)
     {
@@ -3285,6 +3344,8 @@ void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
         ImVec2 uv0, uv1;
         atlas->CalcCustomRectUV(r, &uv0, &uv1);
         r->Font->AddGlyph(NULL, (ImWchar)r->GlyphID, r->GlyphOffset.x, r->GlyphOffset.y, r->GlyphOffset.x + r->Width, r->GlyphOffset.y + r->Height, uv0.x, uv0.y, uv1.x, uv1.y, r->GlyphAdvanceX);
+        if (r->GlyphColored)
+            r->Font->Glyphs.back().Colored = 1;
     }
 
     // Build all fonts lookup tables
@@ -3295,6 +3356,20 @@ void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
     atlas->TexReady = true;
 }
 
+//-------------------------------------------------------------------------
+// [SECTION] ImFontAtlas: glyph ranges helpers
+//-------------------------------------------------------------------------
+// - GetGlyphRangesDefault()
+// - GetGlyphRangesGreek()
+// - GetGlyphRangesKorean()
+// - GetGlyphRangesChineseFull()
+// - GetGlyphRangesChineseSimplifiedCommon()
+// - GetGlyphRangesJapanese()
+// - GetGlyphRangesCyrillic()
+// - GetGlyphRangesThai()
+// - GetGlyphRangesVietnamese()
+//-----------------------------------------------------------------------------
+
 // Retrieve list of range (2 int per range, values are inclusive)
 const ImWchar*   ImFontAtlas::GetGlyphRangesDefault()
 {
@@ -3356,10 +3431,6 @@ static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short*
     out_ranges[0] = 0;
 }
 
-//-------------------------------------------------------------------------
-// [SECTION] ImFontAtlas glyph ranges helpers
-//-------------------------------------------------------------------------
-
 const ImWchar*  ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
 {
     // Store 2500 regularly used characters for Simplified Chinese.
@@ -3606,8 +3677,8 @@ ImFont::ImFont()
 {
     FontSize = 0.0f;
     FallbackAdvanceX = 0.0f;
-    FallbackChar = (ImWchar)-1;
-    EllipsisChar = (ImWchar)-1;
+    FallbackChar = 0;
+    EllipsisChar = 0;
     EllipsisWidth = EllipsisCharStep = 0.0f;
     EllipsisCharCount = 0;
     FallbackGlyph = NULL;
@@ -3638,6 +3709,7 @@ void    ImFont::ClearOutputData()
     DirtyLookupTables = true;
     Ascent = Descent = 0.0f;
     MetricsTotalSurface = 0;
+    memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap));
 }
 
 static ImWchar FindFirstExistingGlyph(ImFont* font, const ImWchar* candidate_chars, int candidate_chars_count)
@@ -3645,7 +3717,7 @@ static ImWchar FindFirstExistingGlyph(ImFont* font, const ImWchar* candidate_cha
     for (int n = 0; n < candidate_chars_count; n++)
         if (font->FindGlyphNoFallback(candidate_chars[n]) != NULL)
             return candidate_chars[n];
-    return (ImWchar)-1;
+    return 0;
 }
 
 void ImFont::BuildLookupTable()
@@ -3712,17 +3784,17 @@ void ImFont::BuildLookupTable()
     // Setup Ellipsis character. It is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis).
     // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character.
     // FIXME: Note that 0x2026 is rarely included in our font ranges. Because of this we are more likely to use three individual dots.
-    const ImWchar ellipsis_chars[] = { (ImWchar)0x2026, (ImWchar)0x0085 };
+    const ImWchar ellipsis_chars[] = { ConfigData->EllipsisChar, (ImWchar)0x2026, (ImWchar)0x0085 };
     const ImWchar dots_chars[] = { (ImWchar)'.', (ImWchar)0xFF0E };
-    if (EllipsisChar == (ImWchar)-1)
+    if (EllipsisChar == 0)
         EllipsisChar = FindFirstExistingGlyph(this, ellipsis_chars, IM_ARRAYSIZE(ellipsis_chars));
     const ImWchar dot_char = FindFirstExistingGlyph(this, dots_chars, IM_ARRAYSIZE(dots_chars));
-    if (EllipsisChar != (ImWchar)-1)
+    if (EllipsisChar != 0)
     {
         EllipsisCharCount = 1;
         EllipsisWidth = EllipsisCharStep = FindGlyph(EllipsisChar)->X1;
     }
-    else if (dot_char != (ImWchar)-1)
+    else if (dot_char != 0)
     {
         const ImFontGlyph* glyph = FindGlyph(dot_char);
         EllipsisChar = dot_char;
@@ -3785,8 +3857,9 @@ void ImFont::AddGlyph(const ImFontConfig* cfg, ImWchar codepoint, float x0, floa
         advance_x += cfg->GlyphExtraSpacing.x;
     }
 
+    int glyph_idx = Glyphs.Size;
     Glyphs.resize(Glyphs.Size + 1);
-    ImFontGlyph& glyph = Glyphs.back();
+    ImFontGlyph& glyph = Glyphs[glyph_idx];
     glyph.Codepoint = (unsigned int)codepoint;
     glyph.Visible = (x0 != x1) && (y0 != y1);
     glyph.Colored = false;
@@ -3822,7 +3895,8 @@ void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
     IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
 }
 
-const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
+// Find glyph, return fallback if missing
+const ImFontGlyph* ImFont::FindGlyph(ImWchar c)
 {
     if (c >= (size_t)IndexLookup.Size)
         return FallbackGlyph;
@@ -3832,7 +3906,7 @@ const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
     return &Glyphs.Data[i];
 }
 
-const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
+const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c)
 {
     if (c >= (size_t)IndexLookup.Size)
         return NULL;
@@ -3842,7 +3916,7 @@ const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
     return &Glyphs.Data[i];
 }
 
-// Wrapping skips upcoming blanks
+// Trim trailing space and find beginning of next line
 static inline const char* CalcWordWrapNextLineStartA(const char* text, const char* text_end)
 {
     while (text < text_end && ImCharIsBlankA(*text))
@@ -3852,10 +3926,12 @@ static inline const char* CalcWordWrapNextLineStartA(const char* text, const cha
     return text;
 }
 
+#define ImFontGetCharAdvanceX(_FONT, _CH)  ((int)(_CH) < (_FONT)->IndexAdvanceX.Size ? (_FONT)->IndexAdvanceX.Data[_CH] : (_FONT)->FallbackAdvanceX)
+
 // Simple word-wrapping for English, not full-featured. Please submit failing cases!
 // This will return the next location to wrap from. If no wrapping if necessary, this will fast-forward to e.g. text_end.
 // FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.)
-const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
+const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width)
 {
     // For references, possible wrap point marked with ^
     //  "aaa bbb, ccc,ddd. eee   fff. ggg!"
@@ -3904,7 +3980,7 @@ const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const c
             }
         }
 
-        const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX);
+        const float char_width = ImFontGetCharAdvanceX(this, c);
         if (ImCharIsBlankW(c))
         {
             if (inside_word)
@@ -3953,7 +4029,7 @@ const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const c
     return s;
 }
 
-ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
+ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining)
 {
     if (!text_end)
         text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
@@ -4009,7 +4085,7 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
                 continue;
         }
 
-        const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale;
+        const float char_width = ImFontGetCharAdvanceX(this, c) * scale;
         if (line_width + char_width >= max_width)
         {
             s = prev_s;
@@ -4032,7 +4108,7 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
 }
 
 // Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.
-void ImFont::RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c) const
+void ImFont::RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c)
 {
     const ImFontGlyph* glyph = FindGlyph(c);
     if (!glyph || !glyph->Visible)
@@ -4047,7 +4123,7 @@ void ImFont::RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, Im
 }
 
 // Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.
-void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip) const
+void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip)
 {
     if (!text_end)
         text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls.
@@ -4058,9 +4134,9 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im
     if (y > clip_rect.w)
         return;
 
-    const float start_x = x;
     const float scale = size / FontSize;
     const float line_height = FontSize * scale;
+    const float origin_x = x;
     const bool word_wrap_enabled = (wrap_width > 0.0f);
 
     // Fast-forward to first visible line
@@ -4119,11 +4195,11 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im
         {
             // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
             if (!word_wrap_eol)
-                word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - start_x));
+                word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - origin_x));
 
             if (s >= word_wrap_eol)
             {
-                x = start_x;
+                x = origin_x;
                 y += line_height;
                 if (y > clip_rect.w)
                     break; // break out of main loop
@@ -4144,7 +4220,7 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im
         {
             if (c == '\n')
             {
-                x = start_x;
+                x = origin_x;
                 y += line_height;
                 if (y > clip_rect.w)
                     break; // break out of main loop
@@ -4567,101 +4643,187 @@ static unsigned int stb_decompress(unsigned char *output, const unsigned char *i
 // MIT license (see License.txt in http://www.proggyfonts.net/index.php?menu=download)
 // Download and more information at http://www.proggyfonts.net or http://upperboundsinteractive.com/fonts.php
 //-----------------------------------------------------------------------------
+
+#ifndef IMGUI_DISABLE_DEFAULT_FONT
+
 // File: 'ProggyClean.ttf' (41208 bytes)
-// Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
-// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
-//-----------------------------------------------------------------------------
-static const char proggy_clean_ttf_compressed_data_base85[11980 + 1] =
-    "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
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-    "LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
-    ":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
-    "_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
-    "hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
-    "^V'9;jY@;)br#q^YQpx:X#Te$Z^'=-=bGhLf:D6&bNwZ9-ZD#n^9HhLMr5G;']d&6'wYmTFmL<LD)F^%[tC'8;+9E#C$g%#5Y>q9wI>P(9mI[>kC-ekLC/R&CH+s'B;K-M6$EB%is00:"
-    "+A4[7xks.LrNk0&E)wILYF@2L'0Nb$+pv<(2.768/FrY&h$^3i&@+G%JT'<-,v`3;_)I9M^AE]CN?Cl2AZg+%4iTpT3<n-&%H%b<FDj2M<hH=&Eh<2Len$b*aTX=-8QxN)k11IM1c^j%"
-    "9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
-    "CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
-    "hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
-    "8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
-    "S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
-    "0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
-    "+fsd;l#SafT/f*W]0=O'$(Tb<[)*@e775R-:Yob%g*>l*:xP?Yb.5)%w_I?7uk5JC+FS(m#i'k.'a0i)9<7b'fs'59hq$*5Uhv##pi^8+hIEBF`nvo`;'l0.^S1<-wUK2/Coh58KKhLj"
-    "M=SO*rfO`+qC`W-On.=AJ56>>i2@2LH6A:&5q`?9I3@@'04&p2/LVa*T-4<-i3;M9UvZd+N7>b*eIwg:CC)c<>nO&#<IGe;__.thjZl<%w(Wk2xmp4Q@I#I9,DF]u7-P=.-_:YJ]aS@V"
-    "?6*C()dOp7:WL,b&3Rg/.cmM9&r^>$(>.Z-I&J(Q0Hd5Q%7Co-b`-c<N(6r@ip+AurK<m86QIth*#v;-OBqi+L7wDE-Ir8K['m+DDSLwK&/.?-V%U_%3:qKNu$_b*B-kp7NaD'QdWQPK"
-    "Yq[@>P)hI;*_F]u`Rb[.j8_Q/<&>uu+VsH$sM9TA%?)(vmJ80),P7E>)tjD%2L=-t#fK[%`v=Q8<FfNkgg^oIbah*#8/Qt$F&:K*-(N/'+1vMB,u()-a.VUU*#[e%gAAO(S>WlA2);Sa"
-    ">gXm8YB`1d@K#n]76-a$U,mF<fX]idqd)<3,]J7JmW4`6]uks=4-72L(jEk+:bJ0M^q-8Dm_Z?0olP1C9Sa&H[d&c$ooQUj]Exd*3ZM@-WGW2%s',B-_M%>%Ul:#/'xoFM9QX-$.QN'>"
-    "[%$Z$uF6pA6Ki2O5:8w*vP1<-1`[G,)-m#>0`P&#eb#.3i)rtB61(o'$?X3B</R90;eZ]%Ncq;-Tl]#F>2Qft^ae_5tKL9MUe9b*sLEQ95C&`=G?@Mj=wh*'3E>=-<)Gt*Iw)'QG:`@I"
-    "wOf7&]1i'S01B+Ev/Nac#9S;=;YQpg_6U`*kVY39xK,[/6Aj7:'1Bm-_1EYfa1+o&o4hp7KN_Q(OlIo@S%;jVdn0'1<Vc52=u`3^o-n1'g4v58Hj&6_t7$##?M)c<$bgQ_'SY((-xkA#"
-    "Y(,p'H9rIVY-b,'%bCPF7.J<Up^,(dU1VY*5#WkTU>h19w,WQhLI)3S#f$2(eb,jr*b;3Vw]*7NH%$c4Vs,eD9>XW8?N]o+(*pgC%/72LV-u<Hp,3@e^9UB1J+ak9-TN/mhKPg+AJYd$"
-    "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
-    "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
-    "1*c-(aY168o<`JsSbk-,1N;$>0:OUas(3:8Z972LSfF8eb=c-;>SPw7.6hn3m`9^Xkn(r.qS[0;T%&Qc=+STRxX'q1BNk3&*eu2;&8q$&x>Q#Q7^Tf+6<(d%ZVmj2bDi%.3L2n+4W'$P"
-    "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
-    "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
-    ";u.T%fAr%4tJ8&><1=GHZ_+m9/#H1F^R#SC#*N=BA9(D?v[UiFY>>^8p,KKF.W]L29uLkLlu/+4T<XoIB&hx=T1PcDaB&;HH+-AFr?(m9HZV)FKS8JCw;SD=6[^/DZUL`EUDf]GGlG&>"
-    "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
-    "d<F&#*;G##.GY##2Sl##6`($#:l:$#>xL$#B.`$#F:r$#JF.%#NR@%#R_R%#Vke%#Zww%#_-4&#3^Rh%Sflr-k'MS.o?.5/sWel/wpEM0%3'/1)K^f1-d>G21&v(35>V`39V7A4=onx4"
-    "A1OY5EI0;6Ibgr6M$HS7Q<)58C5w,;WoA*#[%T*#`1g*#d=#+#hI5+#lUG+#pbY+#tnl+#x$),#&1;,#*=M,#.I`,#2Ur,#6b.-#;w[H#iQtA#m^0B#qjBB#uvTB##-hB#'9$C#+E6C#"
-    "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
-    "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
-    "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
-    "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
-    "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
-
-static const char* GetDefaultCompressedFontDataTTFBase85()
-{
-    return proggy_clean_ttf_compressed_data_base85;
+// Exported using binary_to_compressed_c.exe -u8 "ProggyClean.ttf" proggy_clean_ttf
+static const unsigned int proggy_clean_ttf_compressed_size = 9583;
+static const unsigned char proggy_clean_ttf_compressed_data[9583] =
+{
+    87,188,0,0,0,0,0,0,0,0,160,248,0,4,0,0,55,0,1,0,0,0,12,0,128,0,3,0,64,79,83,47,50,136,235,116,144,0,0,1,72,130,21,44,78,99,109,97,112,2,18,35,117,0,0,3,160,130,19,36,82,99,118,116,
+    32,130,23,130,2,33,4,252,130,4,56,2,103,108,121,102,18,175,137,86,0,0,7,4,0,0,146,128,104,101,97,100,215,145,102,211,130,27,32,204,130,3,33,54,104,130,16,39,8,66,1,195,0,0,1,4,130,
+    15,59,36,104,109,116,120,138,0,126,128,0,0,1,152,0,0,2,6,108,111,99,97,140,115,176,216,0,0,5,130,30,41,2,4,109,97,120,112,1,174,0,218,130,31,32,40,130,16,44,32,110,97,109,101,37,89,
+    187,150,0,0,153,132,130,19,44,158,112,111,115,116,166,172,131,239,0,0,155,36,130,51,44,210,112,114,101,112,105,2,1,18,0,0,4,244,130,47,32,8,132,203,46,1,0,0,60,85,233,213,95,15,60,
+    245,0,3,8,0,131,0,34,183,103,119,130,63,43,0,0,189,146,166,215,0,0,254,128,3,128,131,111,130,241,33,2,0,133,0,32,1,130,65,38,192,254,64,0,0,3,128,131,16,130,5,32,1,131,7,138,3,33,2,
+    0,130,17,36,1,1,0,144,0,130,121,130,23,38,2,0,8,0,64,0,10,130,9,32,118,130,9,130,6,32,0,130,59,33,1,144,131,200,35,2,188,2,138,130,16,32,143,133,7,37,1,197,0,50,2,0,131,0,33,4,9,131,
+    5,145,3,43,65,108,116,115,0,64,0,0,32,172,8,0,131,0,35,5,0,1,128,131,77,131,3,33,3,128,191,1,33,1,128,130,184,35,0,0,128,0,130,3,131,11,32,1,130,7,33,0,128,131,1,32,1,136,9,32,0,132,
+    15,135,5,32,1,131,13,135,27,144,35,32,1,149,25,131,21,32,0,130,0,32,128,132,103,130,35,132,39,32,0,136,45,136,97,133,17,130,5,33,0,0,136,19,34,0,128,1,133,13,133,5,32,128,130,15,132,
+    131,32,3,130,5,32,3,132,27,144,71,32,0,133,27,130,29,130,31,136,29,131,63,131,3,65,63,5,132,5,132,205,130,9,33,0,0,131,9,137,119,32,3,132,19,138,243,130,55,32,1,132,35,135,19,131,201,
+    136,11,132,143,137,13,130,41,32,0,131,3,144,35,33,128,0,135,1,131,223,131,3,141,17,134,13,136,63,134,15,136,53,143,15,130,96,33,0,3,131,4,130,3,34,28,0,1,130,5,34,0,0,76,130,17,131,
+    9,36,28,0,4,0,48,130,17,46,8,0,8,0,2,0,0,0,127,0,255,32,172,255,255,130,9,34,0,0,129,132,9,130,102,33,223,213,134,53,132,22,33,1,6,132,6,64,4,215,32,129,165,216,39,177,0,1,141,184,
+    1,255,133,134,45,33,198,0,193,1,8,190,244,1,28,1,158,2,20,2,136,2,252,3,20,3,88,3,156,3,222,4,20,4,50,4,80,4,98,4,162,5,22,5,102,5,188,6,18,6,116,6,214,7,56,7,126,7,236,8,78,8,108,
+    8,150,8,208,9,16,9,74,9,136,10,22,10,128,11,4,11,86,11,200,12,46,12,130,12,234,13,94,13,164,13,234,14,80,14,150,15,40,15,176,16,18,16,116,16,224,17,82,17,182,18,4,18,110,18,196,19,
+    76,19,172,19,246,20,88,20,174,20,234,21,64,21,128,21,166,21,184,22,18,22,126,22,198,23,52,23,142,23,224,24,86,24,186,24,238,25,54,25,150,25,212,26,72,26,156,26,240,27,92,27,200,28,
+    4,28,76,28,150,28,234,29,42,29,146,29,210,30,64,30,142,30,224,31,36,31,118,31,166,31,166,32,16,130,1,52,46,32,138,32,178,32,200,33,20,33,116,33,152,33,238,34,98,34,134,35,12,130,1,
+    33,128,35,131,1,60,152,35,176,35,216,36,0,36,74,36,104,36,144,36,174,37,6,37,96,37,130,37,248,37,248,38,88,38,170,130,1,8,190,216,39,64,39,154,40,10,40,104,40,168,41,14,41,32,41,184,
+    41,248,42,54,42,96,42,96,43,2,43,42,43,94,43,172,43,230,44,32,44,52,44,154,45,40,45,92,45,120,45,170,45,232,46,38,46,166,47,38,47,182,47,244,48,94,48,200,49,62,49,180,50,30,50,158,
+    51,30,51,130,51,238,52,92,52,206,53,58,53,134,53,212,54,38,54,114,54,230,55,118,55,216,56,58,56,166,57,18,57,116,57,174,58,46,58,154,59,6,59,124,59,232,60,58,60,150,61,34,61,134,61,
+    236,62,86,62,198,63,42,63,154,64,18,64,106,64,208,65,54,65,162,66,8,66,64,66,122,66,184,66,240,67,98,67,204,68,42,68,138,68,238,69,88,69,182,69,226,70,84,70,180,71,20,71,122,71,218,
+    72,84,72,198,73,64,0,36,70,21,8,8,77,3,0,7,0,11,0,15,0,19,0,23,0,27,0,31,0,35,0,39,0,43,0,47,0,51,0,55,0,59,0,63,0,67,0,71,0,75,0,79,0,83,0,87,0,91,0,95,0,99,0,103,0,107,0,111,0,115,
+    0,119,0,123,0,127,0,131,0,135,0,139,0,143,0,0,17,53,51,21,49,150,3,32,5,130,23,32,33,130,3,211,7,151,115,32,128,133,0,37,252,128,128,2,128,128,190,5,133,74,32,4,133,6,206,5,42,0,7,
+    1,128,0,0,2,0,4,0,0,65,139,13,37,0,1,53,51,21,7,146,3,32,3,130,19,32,1,141,133,32,3,141,14,131,13,38,255,0,128,128,0,6,1,130,84,35,2,128,4,128,140,91,132,89,32,51,65,143,6,139,7,33,
+    1,0,130,57,32,254,130,3,32,128,132,4,32,4,131,14,138,89,35,0,0,24,0,130,0,33,3,128,144,171,66,55,33,148,115,65,187,19,32,5,130,151,143,155,163,39,32,1,136,182,32,253,134,178,132,7,
+    132,200,145,17,32,3,65,48,17,165,17,39,0,0,21,0,128,255,128,3,65,175,17,65,3,27,132,253,131,217,139,201,155,233,155,27,131,67,131,31,130,241,33,255,0,131,181,137,232,132,15,132,4,138,
+    247,34,255,0,128,179,238,32,0,130,0,32,20,65,239,48,33,0,19,67,235,10,32,51,65,203,14,65,215,11,32,7,154,27,135,39,32,33,130,35,33,128,128,130,231,32,253,132,231,32,128,132,232,34,
+    128,128,254,133,13,136,8,32,253,65,186,5,130,36,130,42,176,234,133,231,34,128,0,0,66,215,44,33,0,1,68,235,6,68,211,19,32,49,68,239,14,139,207,139,47,66,13,7,32,51,130,47,33,1,0,130,
+    207,35,128,128,1,0,131,222,131,5,130,212,130,6,131,212,32,0,130,10,133,220,130,233,130,226,32,254,133,255,178,233,39,3,1,128,3,0,2,0,4,68,15,7,68,99,12,130,89,130,104,33,128,4,133,
+    93,130,10,38,0,0,11,1,0,255,0,68,63,16,70,39,9,66,215,8,32,7,68,77,6,68,175,14,32,29,68,195,6,132,7,35,2,0,128,255,131,91,132,4,65,178,5,141,111,67,129,23,165,135,140,107,142,135,33,
+    21,5,69,71,6,131,7,33,1,0,140,104,132,142,130,4,137,247,140,30,68,255,12,39,11,0,128,0,128,3,0,3,69,171,15,67,251,7,65,15,8,66,249,11,65,229,7,67,211,7,66,13,7,35,1,128,128,254,133,
+    93,32,254,131,145,132,4,132,18,32,2,151,128,130,23,34,0,0,9,154,131,65,207,8,68,107,15,68,51,7,32,7,70,59,7,135,121,130,82,32,128,151,111,41,0,0,4,0,128,255,0,1,128,1,137,239,33,0,
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+    141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,45,49,102,6,100,101,108,101,116,101,4,69,117,114,
+    111,140,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,
+    32,56,141,236,32,56,141,236,32,56,65,220,13,32,57,65,220,13,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,
+    239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,35,57,102,0,0,5,250,72,249,98,247,
+};
+
+static const char* GetDefaultCompressedFontDataTTF(int* out_size)
+{
+    *out_size = proggy_clean_ttf_compressed_size;
+    return (const char*)proggy_clean_ttf_compressed_data;
 }
+#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT
 
 #endif // #ifndef IMGUI_DISABLE

3rdparty/dear-imgui/imgui_internal.h

@@ -1,4 +1,4 @@
-// dear imgui, v1.91.4
+// dear imgui, v1.91.7 WIP
 // (internal structures/api)
 
 // You may use this file to debug, understand or extend Dear ImGui features but we don't provide any guarantee of forward compatibility.
@@ -61,6 +61,14 @@ Index of this file:
 #if (defined __SSE__ || defined __x86_64__ || defined _M_X64 || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1))) && !defined(IMGUI_DISABLE_SSE)
 #define IMGUI_ENABLE_SSE
 #include <immintrin.h>
+#if (defined __AVX__ || defined __SSE4_2__)
+#define IMGUI_ENABLE_SSE4_2
+#include <nmmintrin.h>
+#endif
+#endif
+// Emscripten has partial SSE 4.2 support where _mm_crc32_u32 is not available. See https://emscripten.org/docs/porting/simd.html#id11 and #8213
+#if defined(IMGUI_ENABLE_SSE4_2) && !defined(IMGUI_USE_LEGACY_CRC32_ADLER) && !defined(__EMSCRIPTEN__)
+#define IMGUI_ENABLE_SSE4_2_CRC
 #endif
 
 // Visual Studio warnings
@@ -82,19 +90,19 @@ Index of this file:
 #endif
 #pragma clang diagnostic ignored "-Wunknown-pragmas"                // warning: unknown warning group 'xxx'
 #pragma clang diagnostic ignored "-Wfloat-equal"                    // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants ok, for ImFloor()
-#pragma clang diagnostic ignored "-Wunused-function"                // for stb_textedit.h
-#pragma clang diagnostic ignored "-Wmissing-prototypes"             // for stb_textedit.h
-#pragma clang diagnostic ignored "-Wold-style-cast"
-#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
-#pragma clang diagnostic ignored "-Wdouble-promotion"
+#pragma clang diagnostic ignored "-Wold-style-cast"                 // warning: use of old-style cast
+#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"  // warning: zero as null pointer constant
+#pragma clang diagnostic ignored "-Wdouble-promotion"               // warning: implicit conversion from 'float' to 'double' when passing argument to function
 #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"  // warning: implicit conversion from 'xxx' to 'float' may lose precision
 #pragma clang diagnostic ignored "-Wmissing-noreturn"               // warning: function 'xxx' could be declared with attribute 'noreturn'
 #pragma clang diagnostic ignored "-Wdeprecated-enum-enum-conversion"// warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
 #pragma clang diagnostic ignored "-Wunsafe-buffer-usage"            // warning: 'xxx' is an unsafe pointer used for buffer access
+#pragma clang diagnostic ignored "-Wnontrivial-memaccess"           // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type
 #elif defined(__GNUC__)
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wpragmas"              // warning: unknown option after '#pragma GCC diagnostic' kind
-#pragma GCC diagnostic ignored "-Wclass-memaccess"      // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#pragma GCC diagnostic ignored "-Wpragmas"                          // warning: unknown option after '#pragma GCC diagnostic' kind
+#pragma GCC diagnostic ignored "-Wfloat-equal"                      // warning: comparing floating-point with '==' or '!=' is unsafe
+#pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #pragma GCC diagnostic ignored "-Wdeprecated-enum-enum-conversion"  // warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
 #endif
 
@@ -177,6 +185,7 @@ typedef int ImGuiDebugLogFlags;         // -> enum ImGuiDebugLogFlags_      // F
 typedef int ImGuiFocusRequestFlags;     // -> enum ImGuiFocusRequestFlags_  // Flags: for FocusWindow()
 typedef int ImGuiItemStatusFlags;       // -> enum ImGuiItemStatusFlags_    // Flags: for g.LastItemData.StatusFlags
 typedef int ImGuiOldColumnFlags;        // -> enum ImGuiOldColumnFlags_     // Flags: for BeginColumns()
+typedef int ImGuiLogFlags;              // -> enum ImGuiLogFlags_           // Flags: for LogBegin() text capturing function
 typedef int ImGuiNavRenderCursorFlags;  // -> enum ImGuiNavRenderCursorFlags_//Flags: for RenderNavCursor()
 typedef int ImGuiNavMoveFlags;          // -> enum ImGuiNavMoveFlags_       // Flags: for navigation requests
 typedef int ImGuiNextItemDataFlags;     // -> enum ImGuiNextItemDataFlags_  // Flags: for SetNextItemXXX() functions
@@ -212,11 +221,6 @@ extern IMGUI_API ImGuiContext* GImGui;  // Current implicit context pointer
 #endif
 
 // Debug Logging for ShowDebugLogWindow(). This is designed for relatively rare events so please don't spam.
-#ifndef IMGUI_DISABLE_DEBUG_TOOLS
-#define IMGUI_DEBUG_LOG(...)            ImGui::DebugLog(__VA_ARGS__)
-#else
-#define IMGUI_DEBUG_LOG(...)            ((void)0)
-#endif
 #define IMGUI_DEBUG_LOG_ERROR(...)      do { ImGuiContext& g2 = *GImGui; if (g2.DebugLogFlags & ImGuiDebugLogFlags_EventError) IMGUI_DEBUG_LOG(__VA_ARGS__); else g2.DebugLogSkippedErrors++; } while (0)
 #define IMGUI_DEBUG_LOG_ACTIVEID(...)   do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventActiveId)    IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
 #define IMGUI_DEBUG_LOG_FOCUS(...)      do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventFocus)       IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
@@ -225,6 +229,7 @@ extern IMGUI_API ImGuiContext* GImGui;  // Current implicit context pointer
 #define IMGUI_DEBUG_LOG_SELECTION(...)  do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventSelection)   IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
 #define IMGUI_DEBUG_LOG_CLIPPER(...)    do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventClipper)     IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
 #define IMGUI_DEBUG_LOG_IO(...)         do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventIO)          IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
+#define IMGUI_DEBUG_LOG_FONT(...)       do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventFont)        IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
 #define IMGUI_DEBUG_LOG_INPUTROUTING(...) do{if (g.DebugLogFlags & ImGuiDebugLogFlags_EventInputRouting)IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
 
 // Static Asserts
@@ -260,6 +265,15 @@ extern IMGUI_API ImGuiContext* GImGui;  // Current implicit context pointer
 #define IM_FLOOR IM_TRUNC
 #endif
 
+// Hint for branch prediction
+#if (defined(__cplusplus) && (__cplusplus >= 202002L)) || (defined(_MSVC_LANG) && (_MSVC_LANG >= 202002L))
+#define IM_LIKELY   [[likely]]
+#define IM_UNLIKELY [[unlikely]]
+#else
+#define IM_LIKELY
+#define IM_UNLIKELY
+#endif
+
 // Enforce cdecl calling convention for functions called by the standard library, in case compilation settings changed the default to e.g. __vectorcall
 #ifdef _MSC_VER
 #define IMGUI_CDECL __cdecl
@@ -447,7 +461,7 @@ static inline double ImRsqrt(double x)          { return 1.0 / sqrt(x); }
 template<typename T> static inline T ImMin(T lhs, T rhs)                        { return lhs < rhs ? lhs : rhs; }
 template<typename T> static inline T ImMax(T lhs, T rhs)                        { return lhs >= rhs ? lhs : rhs; }
 template<typename T> static inline T ImClamp(T v, T mn, T mx)                   { return (v < mn) ? mn : (v > mx) ? mx : v; }
-template<typename T> static inline T ImLerp(T a, T b, float t)                  { return (T)(a + (b - a) * t); }
+template<typename T> static inline T ImLerp(T a, T b, float t)                  { return (T)(a + (b - a) * (T)t); }
 template<typename T> static inline void ImSwap(T& a, T& b)                      { T tmp = a; a = b; b = tmp; }
 template<typename T> static inline T ImAddClampOverflow(T a, T b, T mn, T mx)   { if (b < 0 && (a < mn - b)) return mn; if (b > 0 && (a > mx - b)) return mx; return a + b; }
 template<typename T> static inline T ImSubClampOverflow(T a, T b, T mn, T mx)   { if (b > 0 && (a < mn + b)) return mn; if (b < 0 && (a > mx + b)) return mx; return a - b; }
@@ -751,10 +765,13 @@ IMGUI_API ImGuiStoragePair* ImLowerBound(ImGuiStoragePair* in_begin, ImGuiStorag
 #define IM_DRAWLIST_ARCFAST_SAMPLE_MAX                          IM_DRAWLIST_ARCFAST_TABLE_SIZE // Sample index _PathArcToFastEx() for 360 angle.
 
 // Data shared between all ImDrawList instances
-// You may want to create your own instance of this if you want to use ImDrawList completely without ImGui. In that case, watch out for future changes to this structure.
+// Conceptually this could have been called e.g. ImDrawListSharedContext
+// Typically one ImGui context would create and maintain one of this.
+// You may want to create your own instance of you try to ImDrawList completely without ImGui. In that case, watch out for future changes to this structure.
 struct IMGUI_API ImDrawListSharedData
 {
     ImVec2          TexUvWhitePixel;            // UV of white pixel in the atlas
+    const ImVec4*   TexUvLines;                 // UV of anti-aliased lines in the atlas
     ImFont*         Font;                       // Current/default font (optional, for simplified AddText overload)
     float           FontSize;                   // Current/default font size (optional, for simplified AddText overload)
     float           FontScale;                  // Current/default font scale (== FontSize / Font->FontSize)
@@ -762,15 +779,12 @@ struct IMGUI_API ImDrawListSharedData
     float           CircleSegmentMaxError;      // Number of circle segments to use per pixel of radius for AddCircle() etc
     ImVec4          ClipRectFullscreen;         // Value for PushClipRectFullscreen()
     ImDrawListFlags InitialFlags;               // Initial flags at the beginning of the frame (it is possible to alter flags on a per-drawlist basis afterwards)
+    ImVector<ImVec2> TempBuffer;                // Temporary write buffer
 
-    // [Internal] Temp write buffer
-    ImVector<ImVec2> TempBuffer;
-
-    // [Internal] Lookup tables
+    // Lookup tables
     ImVec2          ArcFastVtx[IM_DRAWLIST_ARCFAST_TABLE_SIZE]; // Sample points on the quarter of the circle.
     float           ArcFastRadiusCutoff;                        // Cutoff radius after which arc drawing will fallback to slower PathArcTo()
     ImU8            CircleSegmentCounts[64];    // Precomputed segment count for given radius before we calculate it dynamically (to avoid calculation overhead)
-    const ImVec4*   TexUvLines;                 // UV of anti-aliased lines in the atlas
 
     ImDrawListSharedData();
     void SetCircleTessellationMaxError(float max_error);
@@ -989,13 +1003,16 @@ enum ImGuiLayoutType_
     ImGuiLayoutType_Vertical = 1
 };
 
-enum ImGuiLogType
+// Flags for LogBegin() text capturing function
+enum ImGuiLogFlags_
 {
-    ImGuiLogType_None = 0,
-    ImGuiLogType_TTY,
-    ImGuiLogType_File,
-    ImGuiLogType_Buffer,
-    ImGuiLogType_Clipboard,
+    ImGuiLogFlags_None = 0,
+
+    ImGuiLogFlags_OutputTTY         = 1 << 0,
+    ImGuiLogFlags_OutputFile        = 1 << 1,
+    ImGuiLogFlags_OutputBuffer      = 1 << 2,
+    ImGuiLogFlags_OutputClipboard   = 1 << 3,
+    ImGuiLogFlags_OutputMask_       = ImGuiLogFlags_OutputTTY | ImGuiLogFlags_OutputFile | ImGuiLogFlags_OutputBuffer | ImGuiLogFlags_OutputClipboard,
 };
 
 // X/Y enums are fixed to 0/1 so they may be used to index ImVec2
@@ -1105,26 +1122,27 @@ struct IMGUI_API ImGuiInputTextState
 {
     ImGuiContext*           Ctx;                    // parent UI context (needs to be set explicitly by parent).
     ImStbTexteditState*     Stb;                    // State for stb_textedit.h
+    ImGuiInputTextFlags     Flags;                  // copy of InputText() flags. may be used to check if e.g. ImGuiInputTextFlags_Password is set.
     ImGuiID                 ID;                     // widget id owning the text state
-    int                     CurLenA;                // UTF-8 length of the string in TextA (in bytes)
-    ImVector<char>          TextA;                  // main UTF8 buffer.
-    ImVector<char>          InitialTextA;           // value to revert to when pressing Escape = backup of end-user buffer at the time of focus (in UTF-8, unaltered)
+    int                     TextLen;                // UTF-8 length of the string in TextA (in bytes)
+    const char*             TextSrc;                // == TextA.Data unless read-only, in which case == buf passed to InputText(). Field only set and valid _inside_ the call InputText() call.
+    ImVector<char>          TextA;                  // main UTF8 buffer. TextA.Size is a buffer size! Should always be >= buf_size passed by user (and of course >= CurLenA + 1).
+    ImVector<char>          TextToRevertTo;         // value to revert to when pressing Escape = backup of end-user buffer at the time of focus (in UTF-8, unaltered)
     ImVector<char>          CallbackTextBackup;     // temporary storage for callback to support automatic reconcile of undo-stack
-    int                     BufCapacityA;           // end-user buffer capacity
+    int                     BufCapacity;            // end-user buffer capacity (include zero terminator)
     ImVec2                  Scroll;                 // horizontal offset (managed manually) + vertical scrolling (pulled from child window's own Scroll.y)
     float                   CursorAnim;             // timer for cursor blink, reset on every user action so the cursor reappears immediately
     bool                    CursorFollow;           // set when we want scrolling to follow the current cursor position (not always!)
     bool                    SelectedAllMouseLock;   // after a double-click to select all, we ignore further mouse drags to update selection
     bool                    Edited;                 // edited this frame
-    ImGuiInputTextFlags     Flags;                  // copy of InputText() flags. may be used to check if e.g. ImGuiInputTextFlags_Password is set.
-    bool                    ReloadUserBuf;          // force a reload of user buf so it may be modified externally. may be automatic in future version.
-    int                     ReloadSelectionStart;   // POSITIONS ARE IN IMWCHAR units *NOT* UTF-8 this is why this is not exposed yet.
+    bool                    WantReloadUserBuf;      // force a reload of user buf so it may be modified externally. may be automatic in future version.
+    int                     ReloadSelectionStart;
     int                     ReloadSelectionEnd;
 
     ImGuiInputTextState();
     ~ImGuiInputTextState();
-    void        ClearText()                 { CurLenA = 0; TextA[0] = 0; CursorClamp(); }
-    void        ClearFreeMemory()           { TextA.clear(); InitialTextA.clear(); }
+    void        ClearText()                 { TextLen = 0; TextA[0] = 0; CursorClamp(); }
+    void        ClearFreeMemory()           { TextA.clear(); TextToRevertTo.clear(); }
     void        OnKeyPressed(int key);      // Cannot be inline because we call in code in stb_textedit.h implementation
     void        OnCharPressed(unsigned int c);
 
@@ -1907,6 +1925,7 @@ typedef void (*ImGuiErrorCallback)(ImGuiContext* ctx, void* user_data, const cha
 // [SECTION] Metrics, Debug Tools
 //-----------------------------------------------------------------------------
 
+// See IMGUI_DEBUG_LOG() and IMGUI_DEBUG_LOG_XXX() macros.
 enum ImGuiDebugLogFlags_
 {
     // Event types
@@ -1919,11 +1938,12 @@ enum ImGuiDebugLogFlags_
     ImGuiDebugLogFlags_EventClipper         = 1 << 5,
     ImGuiDebugLogFlags_EventSelection       = 1 << 6,
     ImGuiDebugLogFlags_EventIO              = 1 << 7,
-    ImGuiDebugLogFlags_EventInputRouting    = 1 << 8,
-    ImGuiDebugLogFlags_EventDocking         = 1 << 9,   // Unused in this branch
-    ImGuiDebugLogFlags_EventViewport        = 1 << 10,  // Unused in this branch
+    ImGuiDebugLogFlags_EventFont            = 1 << 8,
+    ImGuiDebugLogFlags_EventInputRouting    = 1 << 9,
+    ImGuiDebugLogFlags_EventDocking         = 1 << 10,  // Unused in this branch
+    ImGuiDebugLogFlags_EventViewport        = 1 << 11,  // Unused in this branch
 
-    ImGuiDebugLogFlags_EventMask_           = ImGuiDebugLogFlags_EventError | ImGuiDebugLogFlags_EventActiveId | ImGuiDebugLogFlags_EventFocus | ImGuiDebugLogFlags_EventPopup | ImGuiDebugLogFlags_EventNav | ImGuiDebugLogFlags_EventClipper | ImGuiDebugLogFlags_EventSelection | ImGuiDebugLogFlags_EventIO | ImGuiDebugLogFlags_EventInputRouting | ImGuiDebugLogFlags_EventDocking | ImGuiDebugLogFlags_EventViewport,
+    ImGuiDebugLogFlags_EventMask_           = ImGuiDebugLogFlags_EventError | ImGuiDebugLogFlags_EventActiveId | ImGuiDebugLogFlags_EventFocus | ImGuiDebugLogFlags_EventPopup | ImGuiDebugLogFlags_EventNav | ImGuiDebugLogFlags_EventClipper | ImGuiDebugLogFlags_EventSelection | ImGuiDebugLogFlags_EventIO | ImGuiDebugLogFlags_EventFont | ImGuiDebugLogFlags_EventInputRouting | ImGuiDebugLogFlags_EventDocking | ImGuiDebugLogFlags_EventViewport,
     ImGuiDebugLogFlags_OutputToTTY          = 1 << 20,  // Also send output to TTY
     ImGuiDebugLogFlags_OutputToTestEngine   = 1 << 21,  // Also send output to Test Engine
 };
@@ -2025,9 +2045,9 @@ struct ImGuiContext
     int                     FrameCount;
     int                     FrameCountEnded;
     int                     FrameCountRendered;
+    ImGuiID                 WithinEndChildID;                   // Set within EndChild()
     bool                    WithinFrameScope;                   // Set by NewFrame(), cleared by EndFrame()
     bool                    WithinFrameScopeWithImplicitWindow; // Set by NewFrame(), cleared by EndFrame() when the implicit debug window has been pushed
-    bool                    WithinEndChild;                     // Set within EndChild()
     bool                    GcCompactAll;                       // Request full GC
     bool                    TestEngineHookItems;                // Will call test engine hooks: ImGuiTestEngineHook_ItemAdd(), ImGuiTestEngineHook_ItemInfo(), ImGuiTestEngineHook_Log()
     void*                   TestEngine;                         // Test engine user data
@@ -2090,6 +2110,7 @@ struct ImGuiContext
     bool                    ActiveIdPreviousFrameIsAlive;
     bool                    ActiveIdPreviousFrameHasBeenEditedBefore;
     ImGuiWindow*            ActiveIdPreviousFrameWindow;
+    ImGuiDataTypeStorage    ActiveIdValueOnActivation;          // Backup of initial value at the time of activation. ONLY SET BY SPECIFIC WIDGETS: DragXXX and SliderXXX.
     ImGuiID                 LastActiveId;                       // Store the last non-zero ActiveId, useful for animation.
     float                   LastActiveIdTimer;                  // Store the last non-zero ActiveId timer since the beginning of activation, useful for animation.
 
@@ -2316,7 +2337,8 @@ struct ImGuiContext
 
     // Capture/Logging
     bool                    LogEnabled;                         // Currently capturing
-    ImGuiLogType            LogType;                            // Capture target
+    ImGuiLogFlags           LogFlags;                           // Capture flags/type
+    ImGuiWindow*            LogWindow;
     ImFileHandle            LogFile;                            // If != NULL log to stdout/ file
     ImGuiTextBuffer         LogBuffer;                          // Accumulation buffer when log to clipboard. This is pointer so our GImGui static constructor doesn't call heap allocators.
     const char*             LogNextPrefix;
@@ -2936,6 +2958,7 @@ namespace ImGui
     // If this ever crashes because g.CurrentWindow is NULL, it means that either:
     // - ImGui::NewFrame() has never been called, which is illegal.
     // - You are calling ImGui functions after ImGui::EndFrame()/ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal.
+    IMGUI_API ImGuiIO&      GetIOEx(ImGuiContext* ctx);
     inline    ImGuiWindow*  GetCurrentWindowRead()      { ImGuiContext& g = *GImGui; return g.CurrentWindow; }
     inline    ImGuiWindow*  GetCurrentWindow()          { ImGuiContext& g = *GImGui; g.CurrentWindow->WriteAccessed = true; return g.CurrentWindow; }
     IMGUI_API ImGuiWindow*  FindWindowByID(ImGuiID id);
@@ -2997,6 +3020,7 @@ namespace ImGui
     IMGUI_API void          CallContextHooks(ImGuiContext* context, ImGuiContextHookType type);
 
     // Viewports
+    IMGUI_API void          ScaleWindowsInViewport(ImGuiViewportP* viewport, float scale);
     IMGUI_API void          SetWindowViewport(ImGuiWindow* window, ImGuiViewportP* viewport);
 
     // Settings
@@ -3066,7 +3090,7 @@ namespace ImGui
     IMGUI_API void          EndDisabledOverrideReenable();
 
     // Logging/Capture
-    IMGUI_API void          LogBegin(ImGuiLogType type, int auto_open_depth);           // -> BeginCapture() when we design v2 api, for now stay under the radar by using the old name.
+    IMGUI_API void          LogBegin(ImGuiLogFlags flags, int auto_open_depth);         // -> BeginCapture() when we design v2 api, for now stay under the radar by using the old name.
     IMGUI_API void          LogToBuffer(int auto_open_depth = -1);                      // Start logging/capturing to internal buffer
     IMGUI_API void          LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end = NULL);
     IMGUI_API void          LogSetNextTextDecoration(const char* prefix, const char* suffix);
@@ -3370,7 +3394,7 @@ namespace ImGui
     IMGUI_API void          TextEx(const char* text, const char* text_end = NULL, ImGuiTextFlags flags = 0);
     IMGUI_API bool          ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0, 0), ImGuiButtonFlags flags = 0);
     IMGUI_API bool          ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags = 0);
-    IMGUI_API bool          ImageButtonEx(ImGuiID id, ImTextureID texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags = 0);
+    IMGUI_API bool          ImageButtonEx(ImGuiID id, ImTextureID user_texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags = 0);
     IMGUI_API void          SeparatorEx(ImGuiSeparatorFlags flags, float thickness = 1.0f);
     IMGUI_API void          SeparatorTextEx(ImGuiID id, const char* label, const char* label_end, float extra_width);
     IMGUI_API bool          CheckboxFlags(const char* label, ImS64* flags, ImS64 flags_value);
@@ -3380,7 +3404,7 @@ namespace ImGui
     IMGUI_API bool          CloseButton(ImGuiID id, const ImVec2& pos);
     IMGUI_API bool          CollapseButton(ImGuiID id, const ImVec2& pos);
     IMGUI_API void          Scrollbar(ImGuiAxis axis);
-    IMGUI_API bool          ScrollbarEx(const ImRect& bb, ImGuiID id, ImGuiAxis axis, ImS64* p_scroll_v, ImS64 avail_v, ImS64 contents_v, ImDrawFlags flags);
+    IMGUI_API bool          ScrollbarEx(const ImRect& bb, ImGuiID id, ImGuiAxis axis, ImS64* p_scroll_v, ImS64 avail_v, ImS64 contents_v, ImDrawFlags draw_rounding_flags = 0);
     IMGUI_API ImRect        GetWindowScrollbarRect(ImGuiWindow* window, ImGuiAxis axis);
     IMGUI_API ImGuiID       GetWindowScrollbarID(ImGuiWindow* window, ImGuiAxis axis);
     IMGUI_API ImGuiID       GetWindowResizeCornerID(ImGuiWindow* window, int n); // 0..3: corners
@@ -3510,7 +3534,8 @@ namespace ImGui
 // [SECTION] ImFontAtlas internal API
 //-----------------------------------------------------------------------------
 
-// This structure is likely to evolve as we add support for incremental atlas updates
+// This structure is likely to evolve as we add support for incremental atlas updates.
+// Conceptually this could be in ImGuiPlatformIO, but we are far from ready to make this public.
 struct ImFontBuilderIO
 {
     bool    (*FontBuilder_Build)(ImFontAtlas* atlas);

3rdparty/dear-imgui/imgui_tables.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.91.4
+// dear imgui, v1.91.7 WIP
 // (tables and columns code)
 
 /*
@@ -229,9 +229,14 @@ Index of this file:
 #pragma clang diagnostic ignored "-Wdeprecated-enum-enum-conversion"// warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
 #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"  // warning: implicit conversion from 'xxx' to 'float' may lose precision
 #pragma clang diagnostic ignored "-Wunsafe-buffer-usage"            // warning: 'xxx' is an unsafe pointer used for buffer access
+#pragma clang diagnostic ignored "-Wnontrivial-memaccess"           // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type
 #elif defined(__GNUC__)
 #pragma GCC diagnostic ignored "-Wpragmas"                          // warning: unknown option after '#pragma GCC diagnostic' kind
+#pragma GCC diagnostic ignored "-Wfloat-equal"                      // warning: comparing floating-point with '==' or '!=' is unsafe
 #pragma GCC diagnostic ignored "-Wformat-nonliteral"                // warning: format not a string literal, format string not checked
+#pragma GCC diagnostic ignored "-Wdouble-promotion"                 // warning: implicit conversion from 'float' to 'double' when passing argument to function
+#pragma GCC diagnostic ignored "-Wformat"                           // warning: format '%p' expects argument of type 'int'/'void*', but argument X has type 'unsigned int'/'ImGuiWindow*'
+#pragma GCC diagnostic ignored "-Wstrict-overflow"
 #pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #endif
 
@@ -409,7 +414,8 @@ bool    ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
 
         // Reset scroll if we are reactivating it
         if ((previous_flags & (ImGuiTableFlags_ScrollX | ImGuiTableFlags_ScrollY)) == 0)
-            SetNextWindowScroll(ImVec2(0.0f, 0.0f));
+            if ((g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasScroll) == 0)
+                SetNextWindowScroll(ImVec2(0.0f, 0.0f));
 
         // Create scrolling region (without border and zero window padding)
         ImGuiWindowFlags child_window_flags = (flags & ImGuiTableFlags_ScrollX) ? ImGuiWindowFlags_HorizontalScrollbar : ImGuiWindowFlags_None;

3rdparty/dear-imgui/imgui_widgets.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.91.4
+// dear imgui, v1.91.7 WIP
 // (widgets code)
 
 /*
@@ -79,11 +79,17 @@ Index of this file:
 #pragma clang diagnostic ignored "-Wdeprecated-enum-enum-conversion"// warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
 #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"  // warning: implicit conversion from 'xxx' to 'float' may lose precision
 #pragma clang diagnostic ignored "-Wunsafe-buffer-usage"            // warning: 'xxx' is an unsafe pointer used for buffer access
+#pragma clang diagnostic ignored "-Wnontrivial-memaccess"           // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type
 #elif defined(__GNUC__)
 #pragma GCC diagnostic ignored "-Wpragmas"                          // warning: unknown option after '#pragma GCC diagnostic' kind
+#pragma GCC diagnostic ignored "-Wfloat-equal"                      // warning: comparing floating-point with '==' or '!=' is unsafe
+#pragma GCC diagnostic ignored "-Wformat"                           // warning: format '%p' expects argument of type 'int'/'void*', but argument X has type 'unsigned int'/'ImGuiWindow*'
 #pragma GCC diagnostic ignored "-Wformat-nonliteral"                // warning: format not a string literal, format string not checked
-#pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #pragma GCC diagnostic ignored "-Wdeprecated-enum-enum-conversion"  // warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
+#pragma GCC diagnostic ignored "-Wdouble-promotion"                 // warning: implicit conversion from 'float' to 'double' when passing argument to function
+#pragma GCC diagnostic ignored "-Wstrict-overflow"                  // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
+#pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#pragma GCC diagnostic ignored "-Wcast-qual"                        // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
 #endif
 
 //-------------------------------------------------------------------------
@@ -495,19 +501,19 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
     ImGuiContext& g = *GImGui;
     ImGuiWindow* window = GetCurrentWindow();
 
+    // Default behavior inherited from item flags
+    // Note that _both_ ButtonFlags and ItemFlags are valid sources, so copy one into the item_flags and only check that.
+    ImGuiItemFlags item_flags = (g.LastItemData.ID == id ? g.LastItemData.ItemFlags : g.CurrentItemFlags);
+    if (flags & ImGuiButtonFlags_AllowOverlap)
+        item_flags |= ImGuiItemFlags_AllowOverlap;
+
     // Default only reacts to left mouse button
     if ((flags & ImGuiButtonFlags_MouseButtonMask_) == 0)
         flags |= ImGuiButtonFlags_MouseButtonLeft;
 
     // Default behavior requires click + release inside bounding box
     if ((flags & ImGuiButtonFlags_PressedOnMask_) == 0)
-        flags |= ImGuiButtonFlags_PressedOnDefault_;
-
-    // Default behavior inherited from item flags
-    // Note that _both_ ButtonFlags and ItemFlags are valid sources, so copy one into the item_flags and only check that.
-    ImGuiItemFlags item_flags = (g.LastItemData.ID == id ? g.LastItemData.ItemFlags : g.CurrentItemFlags);
-    if (flags & ImGuiButtonFlags_AllowOverlap)
-        item_flags |= ImGuiItemFlags_AllowOverlap;
+        flags |= (item_flags & ImGuiItemFlags_ButtonRepeat) ? ImGuiButtonFlags_PressedOnClick : ImGuiButtonFlags_PressedOnDefault_;
 
     ImGuiWindow* backup_hovered_window = g.HoveredWindow;
     const bool flatten_hovered_children = (flags & ImGuiButtonFlags_FlattenChildren) && g.HoveredWindow && g.HoveredWindow->RootWindow == window;
@@ -949,7 +955,7 @@ void ImGui::Scrollbar(ImGuiAxis axis)
 // - We store values as normalized ratio and in a form that allows the window content to change while we are holding on a scrollbar
 // - We handle both horizontal and vertical scrollbars, which makes the terminology not ideal.
 // Still, the code should probably be made simpler..
-bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, ImS64* p_scroll_v, ImS64 size_visible_v, ImS64 size_contents_v, ImDrawFlags flags)
+bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, ImS64* p_scroll_v, ImS64 size_visible_v, ImS64 size_contents_v, ImDrawFlags draw_rounding_flags)
 {
     ImGuiContext& g = *GImGui;
     ImGuiWindow* window = g.CurrentWindow;
@@ -1040,7 +1046,7 @@ bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, ImS6
     // Render
     const ImU32 bg_col = GetColorU32(ImGuiCol_ScrollbarBg);
     const ImU32 grab_col = GetColorU32(held ? ImGuiCol_ScrollbarGrabActive : hovered ? ImGuiCol_ScrollbarGrabHovered : ImGuiCol_ScrollbarGrab, alpha);
-    window->DrawList->AddRectFilled(bb_frame.Min, bb_frame.Max, bg_col, window->WindowRounding, flags);
+    window->DrawList->AddRectFilled(bb_frame.Min, bb_frame.Max, bg_col, window->WindowRounding, draw_rounding_flags);
     ImRect grab_rect;
     if (axis == ImGuiAxis_X)
         grab_rect = ImRect(ImLerp(bb.Min.x, bb.Max.x, grab_v_norm), bb.Min.y, ImLerp(bb.Min.x, bb.Max.x, grab_v_norm) + grab_h_pixels, bb.Max.y);
@@ -1072,9 +1078,7 @@ void ImGui::Image(ImTextureID user_texture_id, const ImVec2& image_size, const I
     window->DrawList->AddImage(user_texture_id, bb.Min + padding, bb.Max - padding, uv0, uv1, GetColorU32(tint_col));
 }
 
-// ImageButton() is flawed as 'id' is always derived from 'texture_id' (see #2464 #1390)
-// We provide this internal helper to write your own variant while we figure out how to redesign the public ImageButton() API.
-bool ImGui::ImageButtonEx(ImGuiID id, ImTextureID texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags)
+bool ImGui::ImageButtonEx(ImGuiID id, ImTextureID user_texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags)
 {
     ImGuiContext& g = *GImGui;
     ImGuiWindow* window = GetCurrentWindow();
@@ -1096,12 +1100,13 @@ bool ImGui::ImageButtonEx(ImGuiID id, ImTextureID texture_id, const ImVec2& imag
     RenderFrame(bb.Min, bb.Max, col, true, ImClamp((float)ImMin(padding.x, padding.y), 0.0f, g.Style.FrameRounding));
     if (bg_col.w > 0.0f)
         window->DrawList->AddRectFilled(bb.Min + padding, bb.Max - padding, GetColorU32(bg_col));
-    window->DrawList->AddImage(texture_id, bb.Min + padding, bb.Max - padding, uv0, uv1, GetColorU32(tint_col));
+    window->DrawList->AddImage(user_texture_id, bb.Min + padding, bb.Max - padding, uv0, uv1, GetColorU32(tint_col));
 
     return pressed;
 }
 
-// Note that ImageButton() adds style.FramePadding*2.0f to provided size. This is in order to facilitate fitting an image in a button.
+// - ImageButton() adds style.FramePadding*2.0f to provided size. This is in order to facilitate fitting an image in a button.
+// - ImageButton() draws a background based on regular Button() color + optionally an inner background if specified. (#8165) // FIXME: Maybe that's not the best design?
 bool ImGui::ImageButton(const char* str_id, ImTextureID user_texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col)
 {
     ImGuiContext& g = *GImGui;
@@ -1114,7 +1119,7 @@ bool ImGui::ImageButton(const char* str_id, ImTextureID user_texture_id, const I
 
 #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
 // Legacy API obsoleted in 1.89. Two differences with new ImageButton()
-// - old ImageButton() used ImTextureId as item id (created issue with multiple buttons with same image, transient texture id values, opaque computation of ID)
+// - old ImageButton() used ImTextureID as item id (created issue with multiple buttons with same image, transient texture id values, opaque computation of ID)
 // - new ImageButton() requires an explicit 'const char* str_id'
 // - old ImageButton() had frame_padding' override argument.
 // - new ImageButton() always use style.FramePadding.
@@ -2434,9 +2439,9 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
     if (g.ActiveIdSource == ImGuiInputSource_Mouse && IsMousePosValid() && IsMouseDragPastThreshold(0, g.IO.MouseDragThreshold * DRAG_MOUSE_THRESHOLD_FACTOR))
     {
         adjust_delta = g.IO.MouseDelta[axis];
-        if (g.IO.KeyAlt)
+        if (g.IO.KeyAlt && !(flags & ImGuiSliderFlags_NoSpeedTweaks))
             adjust_delta *= 1.0f / 100.0f;
-        if (g.IO.KeyShift)
+        if (g.IO.KeyShift && !(flags & ImGuiSliderFlags_NoSpeedTweaks))
             adjust_delta *= 10.0f;
     }
     else if (g.ActiveIdSource == ImGuiInputSource_Keyboard || g.ActiveIdSource == ImGuiInputSource_Gamepad)
@@ -2444,7 +2449,7 @@ bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const
         const int decimal_precision = is_floating_point ? ImParseFormatPrecision(format, 3) : 0;
         const bool tweak_slow = IsKeyDown((g.NavInputSource == ImGuiInputSource_Gamepad) ? ImGuiKey_NavGamepadTweakSlow : ImGuiKey_NavKeyboardTweakSlow);
         const bool tweak_fast = IsKeyDown((g.NavInputSource == ImGuiInputSource_Gamepad) ? ImGuiKey_NavGamepadTweakFast : ImGuiKey_NavKeyboardTweakFast);
-        const float tweak_factor = tweak_slow ? 1.0f / 10.0f : tweak_fast ? 10.0f : 1.0f;
+        const float tweak_factor = (flags & ImGuiSliderFlags_NoSpeedTweaks) ? 1.0f : tweak_slow ? 1.0f / 10.0f : tweak_fast ? 10.0f : 1.0f;
         adjust_delta = GetNavTweakPressedAmount(axis) * tweak_factor;
         v_speed = ImMax(v_speed, GetMinimumStepAtDecimalPrecision(decimal_precision));
     }
@@ -2632,6 +2637,10 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data,
                 temp_input_is_active = true;
             }
 
+        // Store initial value (not used by main lib but available as a convenience but some mods e.g. to revert)
+        if (make_active)
+            memcpy(&g.ActiveIdValueOnActivation, p_data, DataTypeGetInfo(data_type)->Size);
+
         if (make_active && !temp_input_is_active)
         {
             SetActiveID(id, window);
@@ -3237,6 +3246,10 @@ bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_dat
             if ((clicked && g.IO.KeyCtrl) || (g.NavActivateId == id && (g.NavActivateFlags & ImGuiActivateFlags_PreferInput)))
                 temp_input_is_active = true;
 
+        // Store initial value (not used by main lib but available as a convenience but some mods e.g. to revert)
+        if (make_active)
+            memcpy(&g.ActiveIdValueOnActivation, p_data, DataTypeGetInfo(data_type)->Size);
+
         if (make_active && !temp_input_is_active)
         {
             SetActiveID(id, window);
@@ -3344,7 +3357,8 @@ bool ImGui::SliderAngle(const char* label, float* v_rad, float v_degrees_min, fl
         format = "%.0f deg";
     float v_deg = (*v_rad) * 360.0f / (2 * IM_PI);
     bool value_changed = SliderFloat(label, &v_deg, v_degrees_min, v_degrees_max, format, flags);
-    *v_rad = v_deg * (2 * IM_PI) / 360.0f;
+    if (value_changed)
+        *v_rad = v_deg * (2 * IM_PI) / 360.0f;
     return value_changed;
 }
 
@@ -3943,15 +3957,15 @@ static ImVec2 InputTextCalcTextSize(ImGuiContext* ctx, const char* text_begin, c
 // - ...but we don't use that feature.
 namespace ImStb
 {
-static int     STB_TEXTEDIT_STRINGLEN(const ImGuiInputTextState* obj)                             { return obj->CurLenA; }
-static char    STB_TEXTEDIT_GETCHAR(const ImGuiInputTextState* obj, int idx)                      { IM_ASSERT(idx <= obj->CurLenA); return obj->TextA[idx]; }
-static float   STB_TEXTEDIT_GETWIDTH(ImGuiInputTextState* obj, int line_start_idx, int char_idx)  { unsigned int c; ImTextCharFromUtf8(&c, obj->TextA.Data + line_start_idx + char_idx, obj->TextA.Data + obj->TextA.Size); if ((ImWchar)c == '\n') return IMSTB_TEXTEDIT_GETWIDTH_NEWLINE; ImGuiContext& g = *obj->Ctx; return g.Font->GetCharAdvance((ImWchar)c) * g.FontScale; }
+static int     STB_TEXTEDIT_STRINGLEN(const ImGuiInputTextState* obj)                             { return obj->TextLen; }
+static char    STB_TEXTEDIT_GETCHAR(const ImGuiInputTextState* obj, int idx)                      { IM_ASSERT(idx <= obj->TextLen); return obj->TextSrc[idx]; }
+static float   STB_TEXTEDIT_GETWIDTH(ImGuiInputTextState* obj, int line_start_idx, int char_idx)  { unsigned int c; ImTextCharFromUtf8(&c, obj->TextSrc + line_start_idx + char_idx, obj->TextSrc + obj->TextLen); if ((ImWchar)c == '\n') return IMSTB_TEXTEDIT_GETWIDTH_NEWLINE; ImGuiContext& g = *obj->Ctx; return g.Font->GetCharAdvance((ImWchar)c) * g.FontScale; }
 static char    STB_TEXTEDIT_NEWLINE = '\n';
 static void    STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, ImGuiInputTextState* obj, int line_start_idx)
 {
-    const char* text = obj->TextA.Data;
+    const char* text = obj->TextSrc;
     const char* text_remaining = NULL;
-    const ImVec2 size = InputTextCalcTextSize(obj->Ctx, text + line_start_idx, text + obj->CurLenA, &text_remaining, NULL, true);
+    const ImVec2 size = InputTextCalcTextSize(obj->Ctx, text + line_start_idx, text + obj->TextLen, &text_remaining, NULL, true);
     r->x0 = 0.0f;
     r->x1 = size.x;
     r->baseline_y_delta = size.y;
@@ -3965,18 +3979,18 @@ static void    STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, ImGuiInputTextState* ob
 
 static int IMSTB_TEXTEDIT_GETNEXTCHARINDEX_IMPL(ImGuiInputTextState* obj, int idx)
 {
-    if (idx >= obj->CurLenA)
-        return obj->CurLenA + 1;
+    if (idx >= obj->TextLen)
+        return obj->TextLen + 1;
     unsigned int c;
-    return idx + ImTextCharFromUtf8(&c, obj->TextA.Data + idx, obj->TextA.Data + obj->TextA.Size);
+    return idx + ImTextCharFromUtf8(&c, obj->TextSrc + idx, obj->TextSrc + obj->TextLen);
 }
 
 static int IMSTB_TEXTEDIT_GETPREVCHARINDEX_IMPL(ImGuiInputTextState* obj, int idx)
 {
     if (idx <= 0)
         return -1;
-    const char* p = ImTextFindPreviousUtf8Codepoint(obj->TextA.Data, obj->TextA.Data + idx);
-    return (int)(p - obj->TextA.Data);
+    const char* p = ImTextFindPreviousUtf8Codepoint(obj->TextSrc, obj->TextSrc + idx);
+    return (int)(p - obj->TextSrc);
 }
 
 static bool ImCharIsSeparatorW(unsigned int c)
@@ -3999,10 +4013,10 @@ static int is_word_boundary_from_right(ImGuiInputTextState* obj, int idx)
     if ((obj->Flags & ImGuiInputTextFlags_Password) || idx <= 0)
         return 0;
 
-    const char* curr_p = obj->TextA.Data + idx;
-    const char* prev_p = ImTextFindPreviousUtf8Codepoint(obj->TextA.Data, curr_p);
-    unsigned int curr_c; ImTextCharFromUtf8(&curr_c, curr_p, obj->TextA.Data + obj->TextA.Size);
-    unsigned int prev_c; ImTextCharFromUtf8(&prev_c, prev_p, obj->TextA.Data + obj->TextA.Size);
+    const char* curr_p = obj->TextSrc + idx;
+    const char* prev_p = ImTextFindPreviousUtf8Codepoint(obj->TextSrc, curr_p);
+    unsigned int curr_c; ImTextCharFromUtf8(&curr_c, curr_p, obj->TextSrc + obj->TextLen);
+    unsigned int prev_c; ImTextCharFromUtf8(&prev_c, prev_p, obj->TextSrc + obj->TextLen);
 
     bool prev_white = ImCharIsBlankW(prev_c);
     bool prev_separ = ImCharIsSeparatorW(prev_c);
@@ -4015,10 +4029,10 @@ static int is_word_boundary_from_left(ImGuiInputTextState* obj, int idx)
     if ((obj->Flags & ImGuiInputTextFlags_Password) || idx <= 0)
         return 0;
 
-    const char* curr_p = obj->TextA.Data + idx;
-    const char* prev_p = ImTextFindPreviousUtf8Codepoint(obj->TextA.Data, curr_p);
-    unsigned int prev_c; ImTextCharFromUtf8(&prev_c, curr_p, obj->TextA.Data + obj->TextA.Size);
-    unsigned int curr_c; ImTextCharFromUtf8(&curr_c, prev_p, obj->TextA.Data + obj->TextA.Size);
+    const char* curr_p = obj->TextSrc + idx;
+    const char* prev_p = ImTextFindPreviousUtf8Codepoint(obj->TextSrc, curr_p);
+    unsigned int prev_c; ImTextCharFromUtf8(&prev_c, curr_p, obj->TextSrc + obj->TextLen);
+    unsigned int curr_c; ImTextCharFromUtf8(&curr_c, prev_p, obj->TextSrc + obj->TextLen);
 
     bool prev_white = ImCharIsBlankW(prev_c);
     bool prev_separ = ImCharIsSeparatorW(prev_c);
@@ -4035,7 +4049,7 @@ static int  STB_TEXTEDIT_MOVEWORDLEFT_IMPL(ImGuiInputTextState* obj, int idx)
 }
 static int  STB_TEXTEDIT_MOVEWORDRIGHT_MAC(ImGuiInputTextState* obj, int idx)
 {
-    int len = obj->CurLenA;
+    int len = obj->TextLen;
     idx = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx);
     while (idx < len && !is_word_boundary_from_left(obj, idx))
         idx = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx);
@@ -4044,7 +4058,7 @@ static int  STB_TEXTEDIT_MOVEWORDRIGHT_MAC(ImGuiInputTextState* obj, int idx)
 static int  STB_TEXTEDIT_MOVEWORDRIGHT_WIN(ImGuiInputTextState* obj, int idx)
 {
     idx = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx);
-    int len = obj->CurLenA;
+    int len = obj->TextLen;
     while (idx < len && !is_word_boundary_from_right(obj, idx))
         idx = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx);
     return idx > len ? len : idx;
@@ -4055,33 +4069,32 @@ static int  STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(ImGuiInputTextState* obj, int idx)
 
 static void STB_TEXTEDIT_DELETECHARS(ImGuiInputTextState* obj, int pos, int n)
 {
+    // Offset remaining text (+ copy zero terminator)
+    IM_ASSERT(obj->TextSrc == obj->TextA.Data);
     char* dst = obj->TextA.Data + pos;
-
+    char* src = obj->TextA.Data + pos + n;
+    memmove(dst, src, obj->TextLen - n - pos + 1);
     obj->Edited = true;
-    obj->CurLenA -= n;
-
-    // Offset remaining text (FIXME-OPT: Use memmove)
-    const char* src = obj->TextA.Data + pos + n;
-    while (char c = *src++)
-        *dst++ = c;
-    *dst = '\0';
+    obj->TextLen -= n;
 }
 
 static bool STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const char* new_text, int new_text_len)
 {
     const bool is_resizable = (obj->Flags & ImGuiInputTextFlags_CallbackResize) != 0;
-    const int text_len = obj->CurLenA;
+    const int text_len = obj->TextLen;
     IM_ASSERT(pos <= text_len);
 
-    if (!is_resizable && (new_text_len + obj->CurLenA + 1 > obj->BufCapacityA))
+    if (!is_resizable && (new_text_len + obj->TextLen + 1 > obj->BufCapacity))
         return false;
 
     // Grow internal buffer if needed
+    IM_ASSERT(obj->TextSrc == obj->TextA.Data);
     if (new_text_len + text_len + 1 > obj->TextA.Size)
     {
         if (!is_resizable)
             return false;
         obj->TextA.resize(text_len + ImClamp(new_text_len, 32, ImMax(256, new_text_len)) + 1);
+        obj->TextSrc = obj->TextA.Data;
     }
 
     char* text = obj->TextA.Data;
@@ -4090,8 +4103,8 @@ static bool STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const ch
     memcpy(text + pos, new_text, (size_t)new_text_len);
 
     obj->Edited = true;
-    obj->CurLenA += new_text_len;
-    obj->TextA[obj->CurLenA] = '\0';
+    obj->TextLen += new_text_len;
+    obj->TextA[obj->TextLen] = '\0';
 
     return true;
 }
@@ -4123,8 +4136,8 @@ static bool STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const ch
 // the stb_textedit_paste() function creates two separate records, so we perform it manually. (FIXME: Report to nothings/stb?)
 static void stb_textedit_replace(ImGuiInputTextState* str, STB_TexteditState* state, const IMSTB_TEXTEDIT_CHARTYPE* text, int text_len)
 {
-    stb_text_makeundo_replace(str, state, 0, str->CurLenA, text_len);
-    ImStb::STB_TEXTEDIT_DELETECHARS(str, 0, str->CurLenA);
+    stb_text_makeundo_replace(str, state, 0, str->TextLen, text_len);
+    ImStb::STB_TEXTEDIT_DELETECHARS(str, 0, str->TextLen);
     state->cursor = state->select_start = state->select_end = 0;
     if (text_len <= 0)
         return;
@@ -4172,33 +4185,32 @@ void ImGuiInputTextState::OnCharPressed(unsigned int c)
 
 // Those functions are not inlined in imgui_internal.h, allowing us to hide ImStbTexteditState from that header.
 void ImGuiInputTextState::CursorAnimReset()                 { CursorAnim = -0.30f; } // After a user-input the cursor stays on for a while without blinking
-void ImGuiInputTextState::CursorClamp()                     { Stb->cursor = ImMin(Stb->cursor, CurLenA); Stb->select_start = ImMin(Stb->select_start, CurLenA); Stb->select_end = ImMin(Stb->select_end, CurLenA); }
+void ImGuiInputTextState::CursorClamp()                     { Stb->cursor = ImMin(Stb->cursor, TextLen); Stb->select_start = ImMin(Stb->select_start, TextLen); Stb->select_end = ImMin(Stb->select_end, TextLen); }
 bool ImGuiInputTextState::HasSelection() const              { return Stb->select_start != Stb->select_end; }
 void ImGuiInputTextState::ClearSelection()                  { Stb->select_start = Stb->select_end = Stb->cursor; }
 int  ImGuiInputTextState::GetCursorPos() const              { return Stb->cursor; }
 int  ImGuiInputTextState::GetSelectionStart() const         { return Stb->select_start; }
 int  ImGuiInputTextState::GetSelectionEnd() const           { return Stb->select_end; }
-void ImGuiInputTextState::SelectAll()                       { Stb->select_start = 0; Stb->cursor = Stb->select_end = CurLenA; Stb->has_preferred_x = 0; }
-void ImGuiInputTextState::ReloadUserBufAndSelectAll()       { ReloadUserBuf = true; ReloadSelectionStart = 0; ReloadSelectionEnd = INT_MAX; }
-void ImGuiInputTextState::ReloadUserBufAndKeepSelection()   { ReloadUserBuf = true; ReloadSelectionStart = Stb->select_start; ReloadSelectionEnd = Stb->select_end; }
-void ImGuiInputTextState::ReloadUserBufAndMoveToEnd()       { ReloadUserBuf = true; ReloadSelectionStart = ReloadSelectionEnd = INT_MAX; }
+void ImGuiInputTextState::SelectAll()                       { Stb->select_start = 0; Stb->cursor = Stb->select_end = TextLen; Stb->has_preferred_x = 0; }
+void ImGuiInputTextState::ReloadUserBufAndSelectAll()       { WantReloadUserBuf = true; ReloadSelectionStart = 0; ReloadSelectionEnd = INT_MAX; }
+void ImGuiInputTextState::ReloadUserBufAndKeepSelection()   { WantReloadUserBuf = true; ReloadSelectionStart = Stb->select_start; ReloadSelectionEnd = Stb->select_end; }
+void ImGuiInputTextState::ReloadUserBufAndMoveToEnd()       { WantReloadUserBuf = true; ReloadSelectionStart = ReloadSelectionEnd = INT_MAX; }
 
 ImGuiInputTextCallbackData::ImGuiInputTextCallbackData()
 {
     memset(this, 0, sizeof(*this));
 }
 
-// Public API to manipulate UTF-8 text
-// We expose UTF-8 to the user (unlike the STB_TEXTEDIT_* functions which are manipulating wchar)
+// Public API to manipulate UTF-8 text from within a callback.
 // FIXME: The existence of this rarely exercised code path is a bit of a nuisance.
+// Historically they existed because STB_TEXTEDIT_INSERTCHARS() etc. worked on our ImWchar
+// buffer, but nowadays they both work on UTF-8 data. Should aim to merge both.
 void ImGuiInputTextCallbackData::DeleteChars(int pos, int bytes_count)
 {
     IM_ASSERT(pos + bytes_count <= BufTextLen);
     char* dst = Buf + pos;
     const char* src = Buf + pos + bytes_count;
-    while (char c = *src++)
-        *dst++ = c;
-    *dst = '\0';
+    memmove(dst, src, BufTextLen - bytes_count - pos + 1);
 
     if (CursorPos >= pos + bytes_count)
         CursorPos -= bytes_count;
@@ -4215,6 +4227,7 @@ void ImGuiInputTextCallbackData::InsertChars(int pos, const char* new_text, cons
     if (new_text == new_text_end)
         return;
 
+    // Grow internal buffer if needed
     const bool is_resizable = (Flags & ImGuiInputTextFlags_CallbackResize) != 0;
     const int new_text_len = new_text_end ? (int)(new_text_end - new_text) : (int)strlen(new_text);
     if (new_text_len + BufTextLen >= BufSize)
@@ -4222,15 +4235,15 @@ void ImGuiInputTextCallbackData::InsertChars(int pos, const char* new_text, cons
         if (!is_resizable)
             return;
 
-        // Contrary to STB_TEXTEDIT_INSERTCHARS() this is working in the UTF8 buffer, hence the mildly similar code (until we remove the U16 buffer altogether!)
         ImGuiContext& g = *Ctx;
         ImGuiInputTextState* edit_state = &g.InputTextState;
         IM_ASSERT(edit_state->ID != 0 && g.ActiveId == edit_state->ID);
         IM_ASSERT(Buf == edit_state->TextA.Data);
         int new_buf_size = BufTextLen + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1;
-        edit_state->TextA.reserve(new_buf_size + 1);
+        edit_state->TextA.resize(new_buf_size + 1);
+        edit_state->TextSrc = edit_state->TextA.Data;
         Buf = edit_state->TextA.Data;
-        BufSize = edit_state->BufCapacityA = new_buf_size;
+        BufSize = edit_state->BufCapacity = new_buf_size;
     }
 
     if (BufTextLen != pos)
@@ -4346,26 +4359,23 @@ static bool InputTextFilterCharacter(ImGuiContext* ctx, unsigned int* p_char, Im
     return true;
 }
 
-// Find the shortest single replacement we can make to get the new text from the old text.
-// Important: needs to be run before TextW is rewritten with the new characters because calling STB_TEXTEDIT_GETCHAR() at the end.
+// Find the shortest single replacement we can make to get from old_buf to new_buf
+// Note that this doesn't directly alter state->TextA, state->TextLen. They are expected to be made valid separately.
 // FIXME: Ideally we should transition toward (1) making InsertChars()/DeleteChars() update undo-stack (2) discourage (and keep reconcile) or obsolete (and remove reconcile) accessing buffer directly.
-static void InputTextReconcileUndoStateAfterUserCallback(ImGuiInputTextState* state, const char* new_buf_a, int new_length_a)
+static void InputTextReconcileUndoState(ImGuiInputTextState* state, const char* old_buf, int old_length, const char* new_buf, int new_length)
 {
-    const char* old_buf = state->CallbackTextBackup.Data;
-    const int old_length = state->CallbackTextBackup.Size - 1;
-
-    const int shorter_length = ImMin(old_length, new_length_a);
+    const int shorter_length = ImMin(old_length, new_length);
     int first_diff;
     for (first_diff = 0; first_diff < shorter_length; first_diff++)
-        if (old_buf[first_diff] != new_buf_a[first_diff])
+        if (old_buf[first_diff] != new_buf[first_diff])
             break;
-    if (first_diff == old_length && first_diff == new_length_a)
+    if (first_diff == old_length && first_diff == new_length)
         return;
 
     int old_last_diff = old_length   - 1;
-    int new_last_diff = new_length_a - 1;
+    int new_last_diff = new_length - 1;
     for (; old_last_diff >= first_diff && new_last_diff >= first_diff; old_last_diff--, new_last_diff--)
-        if (old_buf[old_last_diff] != new_buf_a[new_last_diff])
+        if (old_buf[old_last_diff] != new_buf[new_last_diff])
             break;
 
     const int insert_len = new_last_diff - first_diff + 1;
@@ -4394,8 +4404,9 @@ void ImGui::InputTextDeactivateHook(ImGuiID id)
     else
     {
         IM_ASSERT(state->TextA.Data != 0);
-        g.InputTextDeactivatedState.TextA.resize(state->CurLenA + 1);
-        memcpy(g.InputTextDeactivatedState.TextA.Data, state->TextA.Data, state->CurLenA + 1);
+        IM_ASSERT(state->TextA[state->TextLen] == 0);
+        g.InputTextDeactivatedState.TextA.resize(state->TextLen + 1);
+        memcpy(g.InputTextDeactivatedState.TextA.Data, state->TextA.Data, state->TextLen + 1);
     }
 }
 
@@ -4416,6 +4427,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
     IM_ASSERT(buf != NULL && buf_size >= 0);
     IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackHistory) && (flags & ImGuiInputTextFlags_Multiline)));        // Can't use both together (they both use up/down keys)
     IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackCompletion) && (flags & ImGuiInputTextFlags_AllowTabInput))); // Can't use both together (they both use tab key)
+    IM_ASSERT(!((flags & ImGuiInputTextFlags_ElideLeft) && (flags & ImGuiInputTextFlags_Multiline)));               // Multiline will not work with left-trimming
 
     ImGuiContext& g = *GImGui;
     ImGuiIO& io = g.IO;
@@ -4516,60 +4528,67 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
 
     float scroll_y = is_multiline ? draw_window->Scroll.y : FLT_MAX;
 
-    const bool init_reload_from_user_buf = (state != NULL && state->ReloadUserBuf);
+    const bool init_reload_from_user_buf = (state != NULL && state->WantReloadUserBuf);
     const bool init_changed_specs = (state != NULL && state->Stb->single_line != !is_multiline); // state != NULL means its our state.
     const bool init_make_active = (user_clicked || user_scroll_finish || input_requested_by_nav);
     const bool init_state = (init_make_active || user_scroll_active);
-    if ((init_state && g.ActiveId != id) || init_changed_specs || init_reload_from_user_buf)
+    if (init_reload_from_user_buf)
+    {
+        int new_len = (int)strlen(buf);
+        IM_ASSERT(new_len + 1 <= buf_size && "Is your input buffer properly zero-terminated?");
+        state->WantReloadUserBuf = false;
+        InputTextReconcileUndoState(state, state->TextA.Data, state->TextLen, buf, new_len);
+        state->TextA.resize(buf_size + 1); // we use +1 to make sure that .Data is always pointing to at least an empty string.
+        state->TextLen = new_len;
+        memcpy(state->TextA.Data, buf, state->TextLen + 1);
+        state->Stb->select_start = state->ReloadSelectionStart;
+        state->Stb->cursor = state->Stb->select_end = state->ReloadSelectionEnd;
+        state->CursorClamp();
+    }
+    else if ((init_state && g.ActiveId != id) || init_changed_specs)
     {
         // Access state even if we don't own it yet.
         state = &g.InputTextState;
         state->CursorAnimReset();
-        state->ReloadUserBuf = false;
 
         // Backup state of deactivating item so they'll have a chance to do a write to output buffer on the same frame they report IsItemDeactivatedAfterEdit (#4714)
         InputTextDeactivateHook(state->ID);
 
+        // Take a copy of the initial buffer value.
         // From the moment we focused we are normally ignoring the content of 'buf' (unless we are in read-only mode)
         const int buf_len = (int)strlen(buf);
-        if (!init_reload_from_user_buf)
-        {
-            // Take a copy of the initial buffer value.
-            state->InitialTextA.resize(buf_len + 1);    // UTF-8. we use +1 to make sure that .Data is always pointing to at least an empty string.
-            memcpy(state->InitialTextA.Data, buf, buf_len + 1);
-        }
+        IM_ASSERT(buf_len + 1 <= buf_size && "Is your input buffer properly zero-terminated?");
+        state->TextToRevertTo.resize(buf_len + 1);    // UTF-8. we use +1 to make sure that .Data is always pointing to at least an empty string.
+        memcpy(state->TextToRevertTo.Data, buf, buf_len + 1);
 
         // Preserve cursor position and undo/redo stack if we come back to same widget
         // FIXME: Since we reworked this on 2022/06, may want to differentiate recycle_cursor vs recycle_undostate?
-        bool recycle_state = (state->ID == id && !init_changed_specs && !init_reload_from_user_buf);
-        if (recycle_state && (state->CurLenA != buf_len || (strncmp(state->TextA.Data, buf, buf_len) != 0)))
+        bool recycle_state = (state->ID == id && !init_changed_specs);
+        if (recycle_state && (state->TextLen != buf_len || (state->TextA.Data == NULL || strncmp(state->TextA.Data, buf, buf_len) != 0)))
             recycle_state = false;
 
         // Start edition
         state->ID = id;
-        state->TextA.resize(buf_size + 1);          // we use +1 to make sure that .Data is always pointing to at least an empty string.
-        state->CurLenA = (int)strlen(buf);
-        memcpy(state->TextA.Data, buf, state->CurLenA + 1);
+        state->TextLen = buf_len;
+        if (!is_readonly)
+        {
+            state->TextA.resize(buf_size + 1); // we use +1 to make sure that .Data is always pointing to at least an empty string.
+            memcpy(state->TextA.Data, buf, state->TextLen + 1);
+        }
+
+        // Find initial scroll position for right alignment
+        state->Scroll = ImVec2(0.0f, 0.0f);
+        if (flags & ImGuiInputTextFlags_ElideLeft)
+            state->Scroll.x += ImMax(0.0f, CalcTextSize(buf).x - frame_size.x + style.FramePadding.x * 2.0f);
 
+        // Recycle existing cursor/selection/undo stack but clamp position
+        // Note a single mouse click will override the cursor/position immediately by calling stb_textedit_click handler.
         if (recycle_state)
-        {
-            // Recycle existing cursor/selection/undo stack but clamp position
-            // Note a single mouse click will override the cursor/position immediately by calling stb_textedit_click handler.
             state->CursorClamp();
-        }
         else
-        {
-            state->Scroll = ImVec2(0.0f, 0.0f);
             stb_textedit_initialize_state(state->Stb, !is_multiline);
-        }
 
-        if (init_reload_from_user_buf)
-        {
-            state->Stb->select_start = state->ReloadSelectionStart;
-            state->Stb->cursor = state->Stb->select_end = state->ReloadSelectionEnd;
-            state->CursorClamp();
-        }
-        else if (!is_multiline)
+        if (!is_multiline)
         {
             if (flags & ImGuiInputTextFlags_AutoSelectAll)
                 select_all = true;
@@ -4619,7 +4638,15 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         // Expose scroll in a manner that is agnostic to us using a child window
         if (is_multiline && state != NULL)
             state->Scroll.y = draw_window->Scroll.y;
+
+        // Read-only mode always ever read from source buffer. Refresh TextLen when active.
+        if (is_readonly && state != NULL)
+            state->TextLen = (int)strlen(buf);
+        //if (is_readonly && state != NULL)
+        //    state->TextA.clear(); // Uncomment to facilitate debugging, but we otherwise prefer to keep/amortize th allocation.
     }
+    if (state != NULL)
+        state->TextSrc = is_readonly ? buf : state->TextA.Data;
 
     // We have an edge case if ActiveId was set through another widget (e.g. widget being swapped), clear id immediately (don't wait until the end of the function)
     if (g.ActiveId == id && state == NULL)
@@ -4660,7 +4687,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
     {
         IM_ASSERT(state != NULL);
         state->Edited = false;
-        state->BufCapacityA = buf_size;
+        state->BufCapacity = buf_size;
         state->Flags = flags;
 
         // Although we are active we don't prevent mouse from hovering other elements unless we are interacting right now with the widget.
@@ -4884,13 +4911,13 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
             // Cut, Copy
             if (g.PlatformIO.Platform_SetClipboardTextFn != NULL)
             {
+                // SetClipboardText() only takes null terminated strings + state->TextSrc may point to read-only user buffer, so we need to make a copy.
                 const int ib = state->HasSelection() ? ImMin(state->Stb->select_start, state->Stb->select_end) : 0;
-                const int ie = state->HasSelection() ? ImMax(state->Stb->select_start, state->Stb->select_end) : state->CurLenA;
-
-                char backup = state->TextA.Data[ie];
-                state->TextA.Data[ie] = 0; // A bit of a hack since SetClipboardText only takes null terminated strings
-                SetClipboardText(state->TextA.Data + ib);
-                state->TextA.Data[ie] = backup;
+                const int ie = state->HasSelection() ? ImMax(state->Stb->select_start, state->Stb->select_end) : state->TextLen;
+                g.TempBuffer.reserve(ie - ib + 1);
+                memcpy(g.TempBuffer.Data, state->TextSrc + ib, ie - ib);
+                g.TempBuffer.Data[ie - ib] = 0;
+                SetClipboardText(g.TempBuffer.Data);
             }
             if (is_cut)
             {
@@ -4906,25 +4933,27 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
             {
                 // Filter pasted buffer
                 const int clipboard_len = (int)strlen(clipboard);
-                char* clipboard_filtered = (char*)IM_ALLOC(clipboard_len + 1);
-                int clipboard_filtered_len = 0;
+                ImVector<char> clipboard_filtered;
+                clipboard_filtered.reserve(clipboard_len + 1);
                 for (const char* s = clipboard; *s != 0; )
                 {
                     unsigned int c;
-                    int len = ImTextCharFromUtf8(&c, s, NULL);
-                    s += len;
+                    int in_len = ImTextCharFromUtf8(&c, s, NULL);
+                    s += in_len;
                     if (!InputTextFilterCharacter(&g, &c, flags, callback, callback_user_data, true))
                         continue;
-                    memcpy(clipboard_filtered + clipboard_filtered_len, s - len, len);
-                    clipboard_filtered_len += len;
+                    char c_utf8[5];
+                    ImTextCharToUtf8(c_utf8, c);
+                    int out_len = (int)strlen(c_utf8);
+                    clipboard_filtered.resize(clipboard_filtered.Size + out_len);
+                    memcpy(clipboard_filtered.Data + clipboard_filtered.Size - out_len, c_utf8, out_len);
                 }
-                clipboard_filtered[clipboard_filtered_len] = 0;
-                if (clipboard_filtered_len > 0) // If everything was filtered, ignore the pasting operation
+                if (clipboard_filtered.Size > 0) // If everything was filtered, ignore the pasting operation
                 {
-                    stb_textedit_paste(state, state->Stb, clipboard_filtered, clipboard_filtered_len);
+                    clipboard_filtered.push_back(0);
+                    stb_textedit_paste(state, state->Stb, clipboard_filtered.Data, clipboard_filtered.Size - 1);
                     state->CursorFollow = true;
                 }
-                MemFree(clipboard_filtered);
             }
         }
 
@@ -4950,15 +4979,15 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
                 IMSTB_TEXTEDIT_CHARTYPE empty_string;
                 stb_textedit_replace(state, state->Stb, &empty_string, 0);
             }
-            else if (strcmp(buf, state->InitialTextA.Data) != 0)
+            else if (strcmp(buf, state->TextToRevertTo.Data) != 0)
             {
-                apply_new_text = state->InitialTextA.Data;
-                apply_new_text_length = state->InitialTextA.Size - 1;
+                apply_new_text = state->TextToRevertTo.Data;
+                apply_new_text_length = state->TextToRevertTo.Size - 1;
 
                 // Restore initial value. Only return true if restoring to the initial value changes the current buffer contents.
                 // Push records into the undo stack so we can CTRL+Z the revert operation itself
                 value_changed = true;
-                stb_textedit_replace(state, state->Stb, state->InitialTextA.Data, state->InitialTextA.Size - 1);
+                stb_textedit_replace(state, state->Stb, state->TextToRevertTo.Data, state->TextToRevertTo.Size - 1);
             }
         }
 
@@ -5017,14 +5046,15 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
                     callback_data.UserData = callback_user_data;
 
                     // FIXME-OPT: Undo stack reconcile needs a backup of the data until we rework API, see #7925
-                    state->CallbackTextBackup.resize(state->CurLenA + 1);
-                    memcpy(state->CallbackTextBackup.Data, state->TextA.Data, state->CurLenA + 1);
-
                     char* callback_buf = is_readonly ? buf : state->TextA.Data;
+                    IM_ASSERT(callback_buf == state->TextSrc);
+                    state->CallbackTextBackup.resize(state->TextLen + 1);
+                    memcpy(state->CallbackTextBackup.Data, callback_buf, state->TextLen + 1);
+
                     callback_data.EventKey = event_key;
                     callback_data.Buf = callback_buf;
-                    callback_data.BufTextLen = state->CurLenA;
-                    callback_data.BufSize = state->BufCapacityA;
+                    callback_data.BufTextLen = state->TextLen;
+                    callback_data.BufSize = state->BufCapacity;
                     callback_data.BufDirty = false;
 
                     const int utf8_cursor_pos = callback_data.CursorPos = state->Stb->cursor;
@@ -5037,7 +5067,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
                     // Read back what user may have modified
                     callback_buf = is_readonly ? buf : state->TextA.Data; // Pointer may have been invalidated by a resize callback
                     IM_ASSERT(callback_data.Buf == callback_buf);         // Invalid to modify those fields
-                    IM_ASSERT(callback_data.BufSize == state->BufCapacityA);
+                    IM_ASSERT(callback_data.BufSize == state->BufCapacity);
                     IM_ASSERT(callback_data.Flags == flags);
                     const bool buf_dirty = callback_data.BufDirty;
                     if (callback_data.CursorPos != utf8_cursor_pos || buf_dirty)            { state->Stb->cursor = callback_data.CursorPos; state->CursorFollow = true; }
@@ -5047,19 +5077,18 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
                     {
                         // Callback may update buffer and thus set buf_dirty even in read-only mode.
                         IM_ASSERT(callback_data.BufTextLen == (int)strlen(callback_data.Buf)); // You need to maintain BufTextLen if you change the text!
-                        InputTextReconcileUndoStateAfterUserCallback(state, callback_data.Buf, callback_data.BufTextLen); // FIXME: Move the rest of this block inside function and rename to InputTextReconcileStateAfterUserCallback() ?
-                        state->CurLenA = callback_data.BufTextLen;  // Assume correct length and valid UTF-8 from user, saves us an extra strlen()
-                        state->TextA.Size = state->CurLenA + 1;
+                        InputTextReconcileUndoState(state, state->CallbackTextBackup.Data, state->CallbackTextBackup.Size - 1, callback_data.Buf, callback_data.BufTextLen);
+                        state->TextLen = callback_data.BufTextLen;  // Assume correct length and valid UTF-8 from user, saves us an extra strlen()
                         state->CursorAnimReset();
                     }
                 }
             }
 
             // Will copy result string if modified
-            if (!is_readonly && strcmp(state->TextA.Data, buf) != 0)
+            if (!is_readonly && strcmp(state->TextSrc, buf) != 0)
             {
-                apply_new_text = state->TextA.Data;
-                apply_new_text_length = state->CurLenA;
+                apply_new_text = state->TextSrc;
+                apply_new_text_length = state->TextLen;
                 value_changed = true;
             }
         }
@@ -5143,7 +5172,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
     {
         IM_ASSERT(state != NULL);
         if (!is_displaying_hint)
-            buf_display_end = buf_display + state->CurLenA;
+            buf_display_end = buf_display + state->TextLen;
 
         // Render text (with cursor and selection)
         // This is going to be messy. We need to:
@@ -5152,8 +5181,8 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         // - Measure text height (for scrollbar)
         // We are attempting to do most of that in **one main pass** to minimize the computation cost (non-negligible for large amount of text) + 2nd pass for selection rendering (we could merge them by an extra refactoring effort)
         // FIXME: This should occur on buf_display but we'd need to maintain cursor/select_start/select_end for UTF-8.
-        const char* text_begin = state->TextA.Data;
-        const char* text_end = text_begin + state->CurLenA;
+        const char* text_begin = buf_display;
+        const char* text_end = text_begin + state->TextLen;
         ImVec2 cursor_offset, select_start_offset;
 
         {
@@ -5295,14 +5324,19 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         if (is_multiline)
             text_size = ImVec2(inner_size.x, InputTextCalcTextLenAndLineCount(buf_display, &buf_display_end) * g.FontSize); // We don't need width
         else if (!is_displaying_hint && g.ActiveId == id)
-            buf_display_end = buf_display + state->CurLenA;
+            buf_display_end = buf_display + state->TextLen;
         else if (!is_displaying_hint)
             buf_display_end = buf_display + strlen(buf_display);
 
         if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
         {
+            // Find render position for right alignment
+            if (flags & ImGuiInputTextFlags_ElideLeft)
+                draw_pos.x = ImMin(draw_pos.x, frame_bb.Max.x - CalcTextSize(buf_display, NULL).x - style.FramePadding.x);
+
+            const ImVec2 draw_scroll = /*state ? ImVec2(state->Scroll.x, 0.0f) :*/ ImVec2(0.0f, 0.0f); // Preserve scroll when inactive?
             ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
-            draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
+            draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
         }
     }
 
@@ -5327,6 +5361,8 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
             g.LastItemData.StatusFlags = item_data_backup.StatusFlags;
         }
     }
+    if (state)
+        state->TextSrc = NULL;
 
     // Log as text
     if (g.LogEnabled && (!is_password || is_displaying_hint))
@@ -5356,7 +5392,9 @@ void ImGui::DebugNodeInputTextState(ImGuiInputTextState* state)
     ImStb::StbUndoState* undo_state = &stb_state->undostate;
     Text("ID: 0x%08X, ActiveID: 0x%08X", state->ID, g.ActiveId);
     DebugLocateItemOnHover(state->ID);
-    Text("CurLenA: %d, Cursor: %d, Selection: %d..%d", state->CurLenA, stb_state->cursor, stb_state->select_start, stb_state->select_end);
+    Text("CurLenA: %d, Cursor: %d, Selection: %d..%d", state->TextLen, stb_state->cursor, stb_state->select_start, stb_state->select_end);
+    Text("BufCapacityA: %d", state->BufCapacity);
+    Text("(Internal Buffer: TextA Size: %d, Capacity: %d)", state->TextA.Size, state->TextA.Capacity);
     Text("has_preferred_x: %d (%.2f)", stb_state->has_preferred_x, stb_state->preferred_x);
     Text("undo_point: %d, redo_point: %d, undo_char_point: %d, redo_char_point: %d", undo_state->undo_point, undo_state->redo_point, undo_state->undo_char_point, undo_state->redo_char_point);
     if (BeginChild("undopoints", ImVec2(0.0f, GetTextLineHeight() * 10), ImGuiChildFlags_Borders | ImGuiChildFlags_ResizeY)) // Visualize undo state
@@ -7032,12 +7070,8 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
         const bool highlighted = hovered || (flags & ImGuiSelectableFlags_Highlight);
         if (highlighted || selected)
         {
-            // FIXME-MULTISELECT: Styling: Color for 'selected' elements? ImGuiCol_HeaderSelected
-            ImU32 col;
-            if (selected && !highlighted)
-                col = GetColorU32(ImLerp(GetStyleColorVec4(ImGuiCol_Header), GetStyleColorVec4(ImGuiCol_HeaderHovered), 0.5f));
-            else
-                col = GetColorU32((held && highlighted) ? ImGuiCol_HeaderActive : highlighted ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
+            // Between 1.91.0 and 1.91.4 we made selected Selectable use an arbitrary lerp between _Header and _HeaderHovered. Removed that now. (#8106)
+            ImU32 col = GetColorU32((held && highlighted) ? ImGuiCol_HeaderActive : highlighted ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
             RenderFrame(bb.Min, bb.Max, col, false, 0.0f);
         }
         if (g.NavId == id)
@@ -7499,6 +7533,12 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags, int sel
     if (flags & ImGuiMultiSelectFlags_BoxSelect2d)
         flags &= ~ImGuiMultiSelectFlags_BoxSelect1d;
 
+    // FIXME: Workaround to the fact we override CursorMaxPos, meaning size measurement are lost. (#8250)
+    // They should perhaps be stacked properly?
+    if (ImGuiTable* table = g.CurrentTable)
+        if (table->CurrentColumn != -1)
+            TableEndCell(table); // This is currently safe to call multiple time. If that properly is lost we can extract the "save measurement" part of it.
+
     // FIXME: BeginFocusScope()
     const ImGuiID id = window->IDStack.back();
     ms->Clear();
@@ -8212,15 +8252,10 @@ void ImGuiSelectionExternalStorage::ApplyRequests(ImGuiMultiSelectIO* ms_io)
 //-------------------------------------------------------------------------
 
 // This is essentially a thin wrapper to using BeginChild/EndChild with the ImGuiChildFlags_FrameStyle flag for stylistic changes + displaying a label.
-// This handle some subtleties with capturing info from the label, but for 99% uses it could essentially be rewritten as:
-//    if (ImGui::BeginChild("...", ImVec2(ImGui::CalcItemWidth(), ImGui::GetTextLineHeight() * 7.5f), ImGuiChildFlags_FrameStyle))
-//        { .... }
-//    ImGui::EndChild();
-//    ImGui::SameLine();
-//    ImGui::AlignTextToFramePadding();
-//    ImGui::Text("Label");
+// This handle some subtleties with capturing info from the label.
+// If you don't need a label you can pretty much directly use ImGui::BeginChild() with ImGuiChildFlags_FrameStyle.
 // Tip: To have a list filling the entire window width, use size.x = -FLT_MIN and pass an non-visible label e.g. "##empty"
-// Tip: If your vertical size is calculated from an item count (e.g. 10 * item_height) consider adding a fractional part to facilitate seeing scrolling boundaries (e.g. 10.25 * item_height).
+// Tip: If your vertical size is calculated from an item count (e.g. 10 * item_height) consider adding a fractional part to facilitate seeing scrolling boundaries (e.g. 10.5f * item_height).
 bool ImGui::BeginListBox(const char* label, const ImVec2& size_arg)
 {
     ImGuiContext& g = *GImGui;
@@ -8830,6 +8865,7 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
         float w = label_size.x;
         ImVec2 text_pos(window->DC.CursorPos.x + offsets->OffsetLabel, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset);
         pressed = Selectable("", menu_is_open, selectable_flags, ImVec2(w, label_size.y));
+        LogSetNextTextDecoration("[", "]");
         RenderText(text_pos, label);
         PopStyleVar();
         window->DC.CursorPos.x += IM_TRUNC(style.ItemSpacing.x * (-1.0f + 0.5f)); // -1 spacing to compensate the spacing added when Selectable() did a SameLine(). It would also work to call SameLine() ourselves after the PopStyleVar().
@@ -8846,6 +8882,7 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
         float extra_w = ImMax(0.0f, GetContentRegionAvail().x - min_w);
         ImVec2 text_pos(window->DC.CursorPos.x + offsets->OffsetLabel, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset);
         pressed = Selectable("", menu_is_open, selectable_flags | ImGuiSelectableFlags_SpanAvailWidth, ImVec2(min_w, label_size.y));
+        LogSetNextTextDecoration("", ">");
         RenderText(text_pos, label);
         if (icon_w > 0.0f)
             RenderText(pos + ImVec2(offsets->OffsetIcon, 0.0f), icon);
@@ -9059,6 +9096,7 @@ bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut
             if (shortcut_w > 0.0f)
             {
                 PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]);
+                LogSetNextTextDecoration("(", ")");
                 RenderText(pos + ImVec2(offsets->OffsetShortcut + stretch_w, 0.0f), shortcut, NULL, false);
                 PopStyleColor();
             }
@@ -10307,6 +10345,7 @@ void ImGui::TabItemLabelAndCloseButton(ImDrawList* draw_list, const ImRect& bb,
         text_ellipsis_clip_bb.Max.x -= unsaved_marker_visible ? (button_sz * 0.80f) : 0.0f;
         ellipsis_max_x = text_pixel_clip_bb.Max.x;
     }
+    LogSetNextTextDecoration("/", "\\");
     RenderTextEllipsis(draw_list, text_ellipsis_clip_bb.Min, text_ellipsis_clip_bb.Max, text_pixel_clip_bb.Max.x, ellipsis_max_x, label, NULL, &label_size);
 
 #if 0