Updated ImGui.

3rdparty/dear-imgui/imgui.h

@@ -464,7 +464,6 @@ namespace ImGui
     // - Speed are per-pixel of mouse movement (v_speed=0.2f: mouse needs to move by 5 pixels to increase value by 1). For gamepad/keyboard navigation, minimum speed is Max(v_speed, minimum_step_at_given_precision).
     // - Use v_min < v_max to clamp edits to given limits. Note that CTRL+Click manual input can override those limits.
     // - Use v_max = FLT_MAX / INT_MAX etc to avoid clamping to a maximum, same with v_min = -FLT_MAX / INT_MIN to avoid clamping to a minimum.
-    // - Use v_min > v_max to lock edits.
     IMGUI_API bool          DragFloat(const char* label, float* v, float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", float power = 1.0f);     // If v_min >= v_max we have no bound
     IMGUI_API bool          DragFloat2(const char* label, float v[2], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", float power = 1.0f);
     IMGUI_API bool          DragFloat3(const char* label, float v[3], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", float power = 1.0f);

3rdparty/dear-imgui/imgui_demo.cpp

@@ -1491,7 +1491,8 @@ static void ShowDemoWindowWidgets()
     {
         static float begin = 10, end = 90;
         static int begin_i = 100, end_i = 1000;
-        ImGui::DragFloatRange2("range", &begin, &end, 0.25f, 0.0f, 100.0f, "Min: %.1f %%", "Max: %.1f %%");
+        ImGui::DragFloatRange2("range float", &begin, &end, 0.25f, 0.0f, 100.0f, "Min: %.1f %%", "Max: %.1f %%");
+        ImGui::DragIntRange2("range int", &begin_i, &end_i, 5, 0, 1000, "Min: %d units", "Max: %d units");
         ImGui::DragIntRange2("range int (no bounds)", &begin_i, &end_i, 5, 0, 0, "Min: %d units", "Max: %d units");
         ImGui::TreePop();
     }

3rdparty/dear-imgui/imgui_draw.cpp

@@ -1667,10 +1667,10 @@ ImFontConfig::ImFontConfig()
 //-----------------------------------------------------------------------------
 
 // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
-// The white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes.
-const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108;
-const int FONT_ATLAS_DEFAULT_TEX_DATA_H      = 27;
-static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
+// The 2x2 white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes.
+const int FONT_ATLAS_DEFAULT_TEX_DATA_W = 108; // Actual texture will be 2 times that + 1 spacing.
+const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
+static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
 {
     "..-         -XXXXXXX-    X    -           X           -XXXXXXX          -          XXXXXXX-     XX          "
     "..-         -X.....X-   X.X   -          X.X          -X.....X          -          X.....X-    X..X         "
@@ -2003,7 +2003,7 @@ bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* ou
     *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
     out_uv_border[0] = (pos) * TexUvScale;
     out_uv_border[1] = (pos + size) * TexUvScale;
-    pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
+    pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
     out_uv_fill[0] = (pos) * TexUvScale;
     out_uv_fill[1] = (pos + size) * TexUvScale;
     return true;
@@ -2366,6 +2366,16 @@ void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opa
         }
 }
 
+void ImFontAtlasBuildRender1bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value)
+{
+    IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth);
+    IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight);
+    unsigned char* out_pixel = atlas->TexPixelsAlpha8 + x + (y * atlas->TexWidth);
+    for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w)
+        for (int off_x = 0; off_x < w; off_x++)
+            out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : 0x00;
+}
+
 static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
 {
     ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdMouseCursors);
@@ -2375,15 +2385,11 @@ static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
     if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
     {
         // Render/copy pixels
-        IM_ASSERT(r->Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
-        for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++)
-            for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++)
-            {
-                const int offset0 = (int)(r->X + x) + (int)(r->Y + y) * w;
-                const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
-                atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00;
-                atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00;
-            }
+        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;
+        ImFontAtlasBuildRender1bppRectFromString(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);
+        ImFontAtlasBuildRender1bppRectFromString(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
     {
@@ -2433,7 +2439,7 @@ void ImFontAtlasBuildInit(ImFontAtlas* atlas)
     if (atlas->PackIdMouseCursors < 0)
     {
         if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
-            atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1, FONT_ATLAS_DEFAULT_TEX_DATA_H);
+            atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1, FONT_ATLAS_DEFAULT_TEX_DATA_H);
         else
             atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(2, 2);
     }

3rdparty/dear-imgui/imgui_internal.h

@@ -575,6 +575,7 @@ enum ImGuiItemFlags_
     ImGuiItemFlags_NoNavDefaultFocus        = 1 << 4,  // false
     ImGuiItemFlags_SelectableDontClosePopup = 1 << 5,  // false    // MenuItem/Selectable() automatically closes current Popup window
     ImGuiItemFlags_MixedValue               = 1 << 6,  // false    // [BETA] Represent a mixed/indeterminate value, generally multi-selection where values differ. Currently only supported by Checkbox() (later should support all sorts of widgets)
+    ImGuiItemFlags_ReadOnly                 = 1 << 7,  // false    // [ALPHA] Allow hovering interactions but underlying value is not changed.
     ImGuiItemFlags_Default_                 = 0
 };
 
@@ -2022,6 +2023,7 @@ IMGUI_API void              ImFontAtlasBuildInit(ImFontAtlas* atlas);
 IMGUI_API void              ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent);
 IMGUI_API void              ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque);
 IMGUI_API void              ImFontAtlasBuildFinish(ImFontAtlas* atlas);
+IMGUI_API void              ImFontAtlasBuildRender1bppRectFromString(ImFontAtlas* atlas, int atlas_x, int atlas_y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value);
 IMGUI_API void              ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_multiply_factor);
 IMGUI_API void              ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride);
 

3rdparty/dear-imgui/imgui_widgets.cpp

@@ -2113,6 +2113,8 @@ bool ImGui::DragBehavior(ImGuiID id, ImGuiDataType data_type, void* p_v, float v
     }
     if (g.ActiveId != id)
         return false;
+    if (g.CurrentWindow->DC.ItemFlags & ImGuiItemFlags_ReadOnly)
+        return false;
 
     switch (data_type)
     {
@@ -2164,7 +2166,6 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data,
     // Tabbing or CTRL-clicking on Drag turns it into an input box
     const bool hovered = ItemHoverable(frame_bb, id);
     bool temp_input_is_active = TempInputIsActive(id);
-    bool temp_input_start = false;
     if (!temp_input_is_active)
     {
         const bool focus_requested = FocusableItemRegister(window, id);
@@ -2178,14 +2179,14 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data,
             g.ActiveIdUsingNavDirMask = (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right);
             if (focus_requested || (clicked && g.IO.KeyCtrl) || double_clicked || g.NavInputId == id)
             {
-                temp_input_start = true;
+                temp_input_is_active = true;
                 FocusableItemUnregister(window);
             }
         }
     }
 
     // Our current specs do NOT clamp when using CTRL+Click manual input, but we should eventually add a flag for that..
-    if (temp_input_is_active || temp_input_start)
+    if (temp_input_is_active)
         return TempInputScalar(frame_bb, id, label, data_type, p_data, format);// , p_min, p_max);
 
     // Draw frame
@@ -2276,10 +2277,17 @@ bool ImGui::DragFloatRange2(const char* label, float* v_current_min, float* v_cu
     BeginGroup();
     PushMultiItemsWidths(2, CalcItemWidth());
 
-    bool value_changed = DragFloat("##min", v_current_min, v_speed, (v_min >= v_max) ? -FLT_MAX : v_min, (v_min >= v_max) ? *v_current_max : ImMin(v_max, *v_current_max), format, power);
+    float min = (v_min >= v_max) ? -FLT_MAX : v_min;
+    float max = (v_min >= v_max) ? *v_current_max : ImMin(v_max, *v_current_max);
+    if (min == max) { min = FLT_MAX; max = -FLT_MAX; } // Lock edit
+    bool value_changed = DragScalar("##min", ImGuiDataType_Float, v_current_min, v_speed, &min, &max, format, power);
     PopItemWidth();
     SameLine(0, g.Style.ItemInnerSpacing.x);
-    value_changed |= DragFloat("##max", v_current_max, v_speed, (v_min >= v_max) ? *v_current_min : ImMax(v_min, *v_current_min), (v_min >= v_max) ? FLT_MAX : v_max, format_max ? format_max : format, power);
+
+    min = (v_min >= v_max) ? *v_current_min : ImMax(v_min, *v_current_min);
+    max = (v_min >= v_max) ? FLT_MAX : v_max;
+    if (min == max) { min = FLT_MAX; max = -FLT_MAX; } // Lock edit
+    value_changed |= DragScalar("##max", ImGuiDataType_Float, v_current_max, v_speed, &min, &max, format_max ? format_max : format, power);
     PopItemWidth();
     SameLine(0, g.Style.ItemInnerSpacing.x);
 
@@ -2321,10 +2329,17 @@ bool ImGui::DragIntRange2(const char* label, int* v_current_min, int* v_current_
     BeginGroup();
     PushMultiItemsWidths(2, CalcItemWidth());
 
-    bool value_changed = DragInt("##min", v_current_min, v_speed, (v_min >= v_max) ? INT_MIN : v_min, (v_min >= v_max) ? *v_current_max : ImMin(v_max, *v_current_max), format);
+    int min = (v_min >= v_max) ? INT_MIN : v_min;
+    int max = (v_min >= v_max) ? *v_current_max : ImMin(v_max, *v_current_max);
+    if (min == max) { min = INT_MAX; max = INT_MIN; } // Lock edit
+    bool value_changed = DragInt("##min", v_current_min, v_speed, min, max, format);
     PopItemWidth();
     SameLine(0, g.Style.ItemInnerSpacing.x);
-    value_changed |= DragInt("##max", v_current_max, v_speed, (v_min >= v_max) ? *v_current_min : ImMax(v_min, *v_current_min), (v_min >= v_max) ? INT_MAX : v_max, format_max ? format_max : format);
+
+    min = (v_min >= v_max) ? *v_current_min : ImMax(v_min, *v_current_min);
+    max = (v_min >= v_max) ? INT_MAX : v_max;
+    if (min == max) { min = INT_MAX; max = INT_MIN; } // Lock edit
+    value_changed |= DragInt("##max", v_current_max, v_speed, min, max, format_max ? format_max : format);
     PopItemWidth();
     SameLine(0, g.Style.ItemInnerSpacing.x);
 
@@ -2573,6 +2588,10 @@ bool ImGui::SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_typ
 // It would be possible to lift that limitation with some work but it doesn't seem to be worth it for sliders.
 bool ImGui::SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* p_v, const void* p_min, const void* p_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb)
 {
+    ImGuiContext& g = *GImGui;
+    if (g.CurrentWindow->DC.ItemFlags & ImGuiItemFlags_ReadOnly)
+        return false;
+
     switch (data_type)
     {
     case ImGuiDataType_S8:  { ImS32 v32 = (ImS32)*(ImS8*)p_v;  bool r = SliderBehaviorT<ImS32, ImS32, float>(bb, id, ImGuiDataType_S32, &v32, *(const ImS8*)p_min,  *(const ImS8*)p_max,  format, power, flags, out_grab_bb); if (r) *(ImS8*)p_v  = (ImS8)v32;  return r; }
@@ -2633,7 +2652,6 @@ bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_dat
     // Tabbing or CTRL-clicking on Slider turns it into an input box
     const bool hovered = ItemHoverable(frame_bb, id);
     bool temp_input_is_active = TempInputIsActive(id);
-    bool temp_input_start = false;
     if (!temp_input_is_active)
     {
         const bool focus_requested = FocusableItemRegister(window, id);
@@ -2646,14 +2664,14 @@ bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_dat
             g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right);
             if (focus_requested || (clicked && g.IO.KeyCtrl) || g.NavInputId == id)
             {
-                temp_input_start = true;
+                temp_input_is_active = true;
                 FocusableItemUnregister(window);
             }
         }
     }
 
     // Our current specs do NOT clamp when using CTRL+Click manual input, but we should eventually add a flag for that..
-    if (temp_input_is_active || temp_input_start)
+    if (temp_input_is_active)
         return TempInputScalar(frame_bb, id, label, data_type, p_data, format);// , p_min, p_max);
 
     // Draw frame