Updated imgui.

3rdparty/ocornut-imgui/imgui.cpp

@@ -1,11 +1,13 @@
-// ImGui library v1.45
+// ImGui library v1.46 WIP
 // Main code & documentation
 
 // See ImGui::ShowTestWindow() in imgui_demo.cpp for demo code.
 // Read 'Programmer guide' below for notes on how to setup ImGui in your codebase.
 // Get latest version at https://github.com/ocornut/imgui
 // Releases change-log at https://github.com/ocornut/imgui/releases
-// Developed by Omar Cornut and ImGui contributors.
+// Developed by Omar Cornut and every direct or indirect contributors to the GitHub.
+// This library is free but I need your support to sustain development and maintenance.
+// If you work for a company, please consider financial support, e.g: https://www.patreon.com/imgui
 
 /*
 
@@ -2704,14 +2706,15 @@ static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs)
 // Test if mouse cursor is hovering given rectangle
 // NB- Rectangle is clipped by our current clip setting
 // NB- Expand the rectangle to be generous on imprecise inputs systems (g.Style.TouchExtraPadding)
-bool ImGui::IsMouseHoveringRect(const ImVec2& pos_min, const ImVec2& pos_max)
+bool ImGui::IsMouseHoveringRect(const ImVec2& pos_min, const ImVec2& pos_max, bool clip)
 {
     ImGuiState& g = *GImGui;
     ImGuiWindow* window = GetCurrentWindowRead();
 
     // Clip
     ImRect rect_clipped(pos_min, pos_max);
-    rect_clipped.Clip(window->ClipRect);
+    if (clip)
+        rect_clipped.Clip(window->ClipRect);
 
     // Expand for touch input
     const ImRect rect_for_touch(rect_clipped.Min - g.Style.TouchExtraPadding, rect_clipped.Max + g.Style.TouchExtraPadding);
@@ -3532,8 +3535,9 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
         {
             window->AutoPosLastDirection = -1;
 
-            if (!(flags & (ImGuiWindowFlags_ChildWindow|ImGuiWindowFlags_Tooltip)) || (flags & ImGuiWindowFlags_Popup))
-                FocusWindow(window);
+            if (!(flags & ImGuiWindowFlags_NoFocusOnAppearing))
+                if (!(flags & (ImGuiWindowFlags_ChildWindow|ImGuiWindowFlags_Tooltip)) || (flags & ImGuiWindowFlags_Popup))
+                    FocusWindow(window);
 
             // Popup first latch mouse position, will position itself when it appears next frame
             if ((flags & ImGuiWindowFlags_Popup) != 0 && !window_pos_set_by_api)

3rdparty/ocornut-imgui/imgui.h

@@ -1,4 +1,4 @@
-// ImGui library v1.45
+// ImGui library v1.46 WIP
 // Headers
 
 // See imgui.cpp file for documentation.
@@ -17,7 +17,7 @@
 #include <stdlib.h>         // NULL, malloc, free, qsort, atoi
 #include <string.h>         // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
 
-#define IMGUI_VERSION       "1.45"
+#define IMGUI_VERSION       "1.46 WIP"
 
 // Define assertion handler.
 #ifndef IM_ASSERT
@@ -404,7 +404,7 @@ namespace ImGui
     IMGUI_API bool          IsMouseReleased(int button);                                        // did mouse button released (went from Down to !Down)
     IMGUI_API bool          IsMouseHoveringWindow();                                            // is mouse hovering current window ("window" in API names always refer to current window). disregarding of any consideration of being blocked by a popup. (unlike IsWindowHovered() this will return true even if the window is blocked because of a popup)
     IMGUI_API bool          IsMouseHoveringAnyWindow();                                         // is mouse hovering any visible window
-    IMGUI_API bool          IsMouseHoveringRect(const ImVec2& pos_min, const ImVec2& pos_max);  // is mouse hovering given bounding rect (in screen space). clipped by current clipping settings. disregarding of consideration of focus/window ordering/blocked by a popup.
+    IMGUI_API bool          IsMouseHoveringRect(const ImVec2& pos_min, const ImVec2& pos_max, bool clip = true);  // is mouse hovering given bounding rect (in screen space). clipped by current clipping settings. disregarding of consideration of focus/window ordering/blocked by a popup.
     IMGUI_API bool          IsMouseDragging(int button = 0, float lock_threshold = -1.0f);      // is mouse dragging. if lock_threshold < -1.0f uses io.MouseDraggingThreshold
     IMGUI_API ImVec2        GetMousePos();                                                      // shortcut to ImGui::GetIO().MousePos provided by user, to be consistent with other calls
     IMGUI_API ImVec2        GetMousePosOnOpeningCurrentPopup();                                 // retrieve backup of mouse positioning at the time of opening popup we have BeginPopup() into
@@ -456,6 +456,7 @@ enum ImGuiWindowFlags_
     ImGuiWindowFlags_NoInputs               = 1 << 9,   // Disable catching mouse or keyboard inputs
     ImGuiWindowFlags_MenuBar                = 1 << 10,  // Has a menu-bar
     ImGuiWindowFlags_HorizontalScrollbar    = 1 << 11,  // Enable horizontal scrollbar (off by default). You need to use SetNextWindowContentSize(ImVec2(width,0.0f)); prior to calling Begin() to specify width. Read code in imgui_demo in the "Horizontal Scrolling" section.
+    ImGuiWindowFlags_NoFocusOnAppearing     = 1 << 12,  // Disable taking focus when transitioning from hidden to visible state
     // [Internal]
     ImGuiWindowFlags_ChildWindow            = 1 << 20,  // Don't use! For internal use by BeginChild()
     ImGuiWindowFlags_ChildWindowAutoFitX    = 1 << 21,  // Don't use! For internal use by BeginChild()
@@ -1241,7 +1242,7 @@ struct ImFont
     // Members: Settings
     float                       FontSize;           // <user set>      // Height of characters, set during loading (don't change after loading)
     float                       Scale;              // = 1.0f          // Base font scale, multiplied by the per-window font scale which you can adjust with SetFontScale()
-    ImVec2                      DisplayOffset;      // = (0.0f,0.0f)   // Offset font rendering by xx pixels
+    ImVec2                      DisplayOffset;      // = (0.0f,1.0f)   // Offset font rendering by xx pixels
     ImWchar                     FallbackChar;       // = '?'           // Replacement glyph if one isn't found. Only set via SetFallbackChar()
     ImFontConfig*               ConfigData;         //                 // Pointer within ImFontAtlas->ConfigData
     int                         ConfigDataCount;    //

3rdparty/ocornut-imgui/imgui_demo.cpp

@@ -1,4 +1,4 @@
-// ImGui library v1.45
+// ImGui library v1.46 WIP
 // Demo code
 
 // Don't remove this file from your project! It is useful reference code that you can execute.

3rdparty/ocornut-imgui/imgui_draw.cpp

@@ -1,4 +1,4 @@
-// ImGui library v1.45
+// ImGui library v1.46 WIP
 // Drawing and font code
 
 // Contains implementation for
@@ -157,12 +157,22 @@ void ImDrawList::ChannelsSplit(int channels_count)
     if (old_channels_count < channels_count)
         _Channels.resize(channels_count);
     _ChannelsCount = channels_count;
-    for (int i = 0; i < channels_count; i++)
+
+    // _Channels[] (24 bytes each) hold storage that we'll swap with this->_CmdBuffer/_IdxBuffer
+    // The content of _Channels[0] at this point doesn't matter. We clear it to make state tidy in a debugger but we don't strictly need to.
+    // When we switch to the next channel, we'll copy _CmdBuffer/_IdxBuffer into _Channels[0] and then _Channels[1] into _CmdBuffer/_IdxBuffer
+    memset(&_Channels[0], 0, sizeof(ImDrawChannel));
+    for (int i = 1; i < channels_count; i++)
     {
         if (i >= old_channels_count)
+        {
             new(&_Channels[i]) ImDrawChannel();
-        else if (i > 0)
-            _Channels[i].CmdBuffer.resize(0), _Channels[i].IdxBuffer.resize(0);
+        }
+        else
+        {
+            _Channels[i].CmdBuffer.resize(0);
+            _Channels[i].IdxBuffer.resize(0);
+        }
         if (_Channels[i].CmdBuffer.Size == 0)
         {
             ImDrawCmd draw_cmd;

3rdparty/ocornut-imgui/imgui_internal.h

@@ -1,4 +1,4 @@
-// ImGui library v1.45
+// ImGui library v1.46 WIP
 // Internals
 // You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!
 

3rdparty/stb/stb_truetype.h

@@ -1,3 +1,7 @@
+#ifdef __GNUC__
+#	pragma GCC diagnostic ignored "-Wshadow"
+#endif
+
 // stb_truetype.h - v1.07 - public domain
 // authored from 2009-2015 by Sean Barrett / RAD Game Tools
 //
@@ -2048,7 +2052,8 @@ static void stbtt__fill_active_edges_new(float *scanline, float *scanline_fill,
 static void stbtt__rasterize_sorted_edges(stbtt__bitmap *result, stbtt__edge *e, int n, int vsubsample, int off_x, int off_y, void *userdata)
 {
    (void)vsubsample;
-   stbtt__hheap hh = {};
+   stbtt__hheap hh;
+   memset(&hh, 0, sizeof(hh));
    stbtt__active_edge *active = NULL;
    int y,j=0, i;
    float scanline_data[129], *scanline, *scanline2;