Shadows: Fix broken shadows due to zero-clear added in 9417acc2

+ fix minor warnings
+ removed NGon variant for now.

docs/CHANGELOG.txt

@@ -31,18 +31,6 @@ HOW TO UPDATE?
 - Please report any issue!
 
 
------------------------------------------------------------------------
- VERSION 1.88 WIP (In Progress)
------------------------------------------------------------------------
-
-Breaking changes:
-
-Other Changes:
-
-- Stack Tool: Added option to copy item path to clipboard. (#4631)
-- Drawlist: Fixed PathArcTo() emitting terminating vertices too close to arc vertices. (#4993) [@thedmd]
-
-
 -----------------------------------------------------------------------
  VERSION 1.87 (Released 2022-02-07)
 -----------------------------------------------------------------------
@@ -115,6 +103,7 @@ Breaking Changes:
   better support for IME. Updated backends accordingly. Because the old field is set by existing backends,
   we are keeping it (marked as obsolete).
 
+
 Other Changes:
 
 - IO: Added event based input queue API, which now trickles events to support low framerates. [@thedmd, @ocornut]

imgui.cpp

@@ -1,4 +1,4 @@
-// dear imgui, 1.88 WIP
+// dear imgui, v1.87
 // (main code and documentation)
 
 // Help:
@@ -972,6 +972,7 @@ static void             UpdateKeyboardInputs();
 static void             UpdateMouseInputs();
 static void             UpdateMouseWheel();
 static bool             UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& size_auto_fit, int* border_held, int resize_grip_count, ImU32 resize_grip_col[4], const ImRect& visibility_rect);
+static void             RenderWindowShadow(ImGuiWindow* window);
 static void             RenderWindowOuterBorders(ImGuiWindow* window);
 static void             RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar_rect, bool title_bar_is_highlight, int resize_grip_count, const ImU32 resize_grip_col[4], float resize_grip_draw_size);
 static void             RenderWindowTitleBarContents(ImGuiWindow* window, const ImRect& title_bar_rect, const char* name, bool* p_open);
@@ -1072,6 +1073,9 @@ ImGuiStyle::ImGuiStyle()
     AntiAliasedFill         = true;             // Enable anti-aliased filled shapes (rounded rectangles, circles, etc.).
     CurveTessellationTol    = 1.25f;            // Tessellation tolerance when using PathBezierCurveTo() without a specific number of segments. Decrease for highly tessellated curves (higher quality, more polygons), increase to reduce quality.
     CircleTessellationMaxError = 0.30f;         // Maximum error (in pixels) allowed when using AddCircle()/AddCircleFilled() or drawing rounded corner rectangles with no explicit segment count specified. Decrease for higher quality but more geometry.
+    WindowShadowSize        = 100.0f;           // Size (in pixels) of window shadows.
+    WindowShadowOffsetDist  = 0.0f;             // Offset distance (in pixels) of window shadows from casting window.
+    WindowShadowOffsetAngle = IM_PI * 0.25f;    // Offset angle of window shadows from casting window (0.0f = left, 0.5f*PI = bottom, 1.0f*PI = right, 1.5f*PI = top).
 
     // Default theme
     ImGui::StyleColorsDark(this);
@@ -2941,6 +2945,7 @@ const char* ImGui::GetStyleColorName(ImGuiCol idx)
     case ImGuiCol_NavWindowingHighlight: return "NavWindowingHighlight";
     case ImGuiCol_NavWindowingDimBg: return "NavWindowingDimBg";
     case ImGuiCol_ModalWindowDimBg: return "ModalWindowDimBg";
+    case ImGuiCol_WindowShadow: return "WindowShadow";
     }
     IM_ASSERT(0);
     return "Unknown";
@@ -3193,32 +3198,6 @@ void ImGui::RenderNavHighlight(const ImRect& bb, ImGuiID id, ImGuiNavHighlightFl
     }
 }
 
-void ImGui::RenderMouseCursor(ImVec2 base_pos, float base_scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow)
-{
-    ImGuiContext& g = *GImGui;
-    IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT);
-    for (int n = 0; n < g.Viewports.Size; n++)
-    {
-        ImGuiViewportP* viewport = g.Viewports[n];
-        ImDrawList* draw_list = GetForegroundDrawList(viewport);
-        ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas;
-        ImVec2 offset, size, uv[4];
-        if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2]))
-        {
-            const ImVec2 pos = base_pos - offset;
-            const float scale = base_scale;
-            ImTextureID tex_id = font_atlas->TexID;
-            draw_list->PushTextureID(tex_id);
-            draw_list->AddImage(tex_id, pos + ImVec2(1, 0) * scale, pos + (ImVec2(1, 0) + size) * scale, uv[2], uv[3], col_shadow);
-            draw_list->AddImage(tex_id, pos + ImVec2(2, 0) * scale, pos + (ImVec2(2, 0) + size) * scale, uv[2], uv[3], col_shadow);
-            draw_list->AddImage(tex_id, pos,                        pos + size * scale,                  uv[2], uv[3], col_border);
-            draw_list->AddImage(tex_id, pos,                        pos + size * scale,                  uv[0], uv[1], col_fill);
-            draw_list->PopTextureID();
-        }
-    }
-}
-
-
 //-----------------------------------------------------------------------------
 // [SECTION] MAIN CODE (most of the code! lots of stuff, needs tidying up!)
 //-----------------------------------------------------------------------------
@@ -4914,10 +4893,6 @@ void ImGui::Render()
         if (windows_to_render_top_most[n] && IsWindowActiveAndVisible(windows_to_render_top_most[n])) // NavWindowingTarget is always temporarily displayed as the top-most window
             AddRootWindowToDrawData(windows_to_render_top_most[n]);
 
-    // Draw software mouse cursor if requested by io.MouseDrawCursor flag
-    if (g.IO.MouseDrawCursor && first_render_of_frame && g.MouseCursor != ImGuiMouseCursor_None)
-        RenderMouseCursor(g.IO.MousePos, g.Style.MouseCursorScale, g.MouseCursor, IM_COL32_WHITE, IM_COL32_BLACK, IM_COL32(0, 0, 0, 48));
-
     // Setup ImDrawData structures for end-user
     g.IO.MetricsRenderVertices = g.IO.MetricsRenderIndices = 0;
     for (int n = 0; n < g.Viewports.Size; n++)
@@ -4925,6 +4900,10 @@ void ImGui::Render()
         ImGuiViewportP* viewport = g.Viewports[n];
         viewport->DrawDataBuilder.FlattenIntoSingleLayer();
 
+        // Draw software mouse cursor if requested by io.MouseDrawCursor flag
+        if (g.IO.MouseDrawCursor && first_render_of_frame)
+            RenderMouseCursor(GetForegroundDrawList(viewport), g.IO.MousePos, g.Style.MouseCursorScale, g.MouseCursor, IM_COL32_WHITE, IM_COL32_BLACK, IM_COL32(0, 0, 0, 48));
+
         // Add foreground ImDrawList (for each active viewport)
         if (viewport->DrawLists[1] != NULL)
             AddDrawListToDrawData(&viewport->DrawDataBuilder.Layers[0], GetForegroundDrawList(viewport));
@@ -5785,6 +5764,11 @@ void ImGui::RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar
             window->DrawList->AddRectFilled(window->Pos + ImVec2(0, window->TitleBarHeight()), window->Pos + window->Size, bg_col, window_rounding, (flags & ImGuiWindowFlags_NoTitleBar) ? 0 : ImDrawFlags_RoundCornersBottom);
         }
 
+        // Draw window shadow
+        if (style.WindowShadowSize > 0.0f && (!(flags & ImGuiWindowFlags_ChildWindow) || (flags & ImGuiWindowFlags_Popup)))
+            if (style.Colors[ImGuiCol_WindowShadow].w > 0.0f)
+                RenderWindowShadow(window);
+
         // Title bar
         if (!(flags & ImGuiWindowFlags_NoTitleBar))
         {
@@ -5827,6 +5811,16 @@ void ImGui::RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar
     }
 }
 
+void ImGui::RenderWindowShadow(ImGuiWindow* window)
+{
+    ImGuiContext& g = *GImGui;
+    ImGuiStyle& style = g.Style;
+    float shadow_size = style.WindowShadowSize;
+    ImU32 shadow_col = GetColorU32(ImGuiCol_WindowShadow);
+    ImVec2 shadow_offset = ImVec2(ImCos(style.WindowShadowOffsetAngle), ImSin(style.WindowShadowOffsetAngle)) * style.WindowShadowOffsetDist;
+    window->DrawList->AddShadowRect(window->Pos, window->Pos + window->Size, shadow_col, shadow_size, shadow_offset, ImDrawFlags_ShadowCutOutShapeBackground, window->WindowRounding);
+}
+
 // Render title text, collapse button, close button
 void ImGui::RenderWindowTitleBarContents(ImGuiWindow* window, const ImRect& title_bar_rect, const char* name, bool* p_open)
 {
@@ -6839,6 +6833,8 @@ void ImGui::SetCurrentFont(ImFont* font)
     g.DrawListSharedData.TexUvLines = atlas->TexUvLines;
     g.DrawListSharedData.Font = g.Font;
     g.DrawListSharedData.FontSize = g.FontSize;
+    g.DrawListSharedData.ShadowRectIds = &atlas->ShadowRectIds[0];
+    g.DrawListSharedData.ShadowRectUvs = &atlas->ShadowRectUvs[0];
 }
 
 void ImGui::PushFont(ImFont* font)
@@ -7565,7 +7561,6 @@ static const char* const GKeyNames[] =
     "GamepadL1", "GamepadR1", "GamepadL2", "GamepadR2", "GamepadL3", "GamepadR3",
     "GamepadLStickUp", "GamepadLStickDown", "GamepadLStickLeft", "GamepadLStickRight",
     "GamepadRStickUp", "GamepadRStickDown", "GamepadRStickLeft", "GamepadRStickRight",
-    "Copy", "Cut", "Paste", "Undo", "Redo", "SelectAll",
     "ModCtrl", "ModShift", "ModAlt", "ModSuper"
 };
 IM_STATIC_ASSERT(ImGuiKey_NamedKey_COUNT == IM_ARRAYSIZE(GKeyNames));
@@ -13027,44 +13022,27 @@ void ImGui::DebugHookIdInfo(ImGuiID id, ImGuiDataType data_type, const void* dat
     ImGuiStackLevelInfo* info = &tool->Results[tool->StackLevel];
     IM_ASSERT(info->ID == id && info->QueryFrameCount > 0);
 
+    int data_len;
     switch (data_type)
     {
     case ImGuiDataType_S32:
         ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "%d", (int)(intptr_t)data_id);
         break;
     case ImGuiDataType_String:
-        ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "%.*s", data_id_end ? (int)((const char*)data_id_end - (const char*)data_id) : (int)strlen((const char*)data_id), (const char*)data_id);
+        data_len = data_id_end ? (int)((const char*)data_id_end - (const char*)data_id) : (int)strlen((const char*)data_id);
+        ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "\"%.*s\"", data_len, (const char*)data_id);
         break;
     case ImGuiDataType_Pointer:
         ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "(void*)0x%p", data_id);
         break;
     case ImGuiDataType_ID:
-        if (info->Desc[0] != 0) // PushOverrideID() is often used to avoid hashing twice, which would lead to 2 calls to DebugHookIdInfo(). We prioritize the first one.
-            return;
-        ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "0x%08X [override]", id);
+        if (info->Desc[0] == 0) // PushOverrideID() is often used to avoid hashing twice, which would lead to 2 calls to DebugHookIdInfo(). We prioritize the first one.
+            ImFormatString(info->Desc, IM_ARRAYSIZE(info->Desc), "0x%08X [override]", id);
         break;
     default:
         IM_ASSERT(0);
     }
     info->QuerySuccess = true;
-    info->DataType = data_type;
-}
-
-static int StackToolFormatLevelInfo(ImGuiStackTool* tool, int n, bool format_for_ui, char* buf, size_t buf_size)
-{
-    ImGuiStackLevelInfo* info = &tool->Results[n];
-    ImGuiWindow* window = (info->Desc[0] == 0 && n == 0) ? ImGui::FindWindowByID(info->ID) : NULL;
-    if (window)                                                                 // Source: window name (because the root ID don't call GetID() and so doesn't get hooked)
-        return ImFormatString(buf, buf_size, format_for_ui ? "\"%s\" [window]" : "%s", window->Name);
-    if (info->QuerySuccess)                                                     // Source: GetID() hooks (prioritize over ItemInfo() because we frequently use patterns like: PushID(str), Button("") where they both have same id)
-        return ImFormatString(buf, buf_size, (format_for_ui && info->DataType == ImGuiDataType_String) ? "\"%s\"" : "%s", info->Desc);
-    if (tool->StackLevel < tool->Results.Size)                                  // Only start using fallback below when all queries are done, so during queries we don't flickering ??? markers.
-        return (*buf = 0);
-#ifdef IMGUI_ENABLE_TEST_ENGINE
-    if (const char* label = ImGuiTestEngine_FindItemDebugLabel(GImGui, info->ID))   // Source: ImGuiTestEngine's ItemInfo()
-        return ImFormatString(buf, buf_size, format_for_ui ? "??? \"%s\"" : "%s", label);
-#endif
-    return ImFormatString(buf, buf_size, "???");
 }
 
 // Stack Tool: Display UI
@@ -13080,7 +13058,6 @@ void ImGui::ShowStackToolWindow(bool* p_open)
     }
 
     // Display hovered/active status
-    ImGuiStackTool* tool = &g.DebugStackTool;
     const ImGuiID hovered_id = g.HoveredIdPreviousFrame;
     const ImGuiID active_id = g.ActiveId;
 #ifdef IMGUI_ENABLE_TEST_ENGINE
@@ -13091,33 +13068,8 @@ void ImGui::ShowStackToolWindow(bool* p_open)
     SameLine();
     MetricsHelpMarker("Hover an item with the mouse to display elements of the ID Stack leading to the item's final ID.\nEach level of the stack correspond to a PushID() call.\nAll levels of the stack are hashed together to make the final ID of a widget (ID displayed at the bottom level of the stack).\nRead FAQ entry about the ID stack for details.");
 
-    // CTRL+C to copy path
-    const float time_since_copy = (float)g.Time - tool->CopyToClipboardLastTime;
-    Checkbox("Ctrl+C: copy path to clipboard", &tool->CopyToClipboardOnCtrlC);
-    SameLine();
-    TextColored((time_since_copy >= 0.0f && time_since_copy < 0.75f && ImFmod(time_since_copy, 0.25f) < 0.25f * 0.5f) ? ImVec4(1.f, 1.f, 0.3f, 1.f) : ImVec4(), "*COPIED*");
-    if (tool->CopyToClipboardOnCtrlC && IsKeyDown(ImGuiKey_ModCtrl) && IsKeyPressed(ImGuiKey_C))
-    {
-        tool->CopyToClipboardLastTime = (float)g.Time;
-        char* p = g.TempBuffer;
-        char* p_end = p + IM_ARRAYSIZE(g.TempBuffer);
-        for (int stack_n = 0; stack_n < tool->Results.Size && p + 3 < p_end; stack_n++)
-        {
-            *p++ = '/';
-            char level_desc[256];
-            StackToolFormatLevelInfo(tool, stack_n, false, level_desc, IM_ARRAYSIZE(level_desc));
-            for (int n = 0; level_desc[n] && p + 2 < p_end; n++)
-            {
-                if (level_desc[n] == '/')
-                    *p++ = '\\';
-                *p++ = level_desc[n];
-            }
-        }
-        *p = '\0';
-        SetClipboardText(g.TempBuffer);
-    }
-
     // Display decorated stack
+    ImGuiStackTool* tool = &g.DebugStackTool;
     tool->LastActiveFrame = g.FrameCount;
     if (tool->Results.Size > 0 && BeginTable("##table", 3, ImGuiTableFlags_Borders))
     {
@@ -13131,9 +13083,23 @@ void ImGui::ShowStackToolWindow(bool* p_open)
             ImGuiStackLevelInfo* info = &tool->Results[n];
             TableNextColumn();
             Text("0x%08X", (n > 0) ? tool->Results[n - 1].ID : 0);
+
             TableNextColumn();
-            StackToolFormatLevelInfo(tool, n, true, g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer));
-            TextUnformatted(g.TempBuffer);
+            ImGuiWindow* window = (info->Desc[0] == 0 && n == 0) ? FindWindowByID(info->ID) : NULL;
+            if (window)                                         // Source: window name (because the root ID don't call GetID() and so doesn't get hooked)
+                Text("\"%s\" [window]", window->Name);
+            else if (info->QuerySuccess)                        // Source: GetID() hooks (prioritize over ItemInfo() because we frequently use patterns like: PushID(str), Button("") where they both have same id)
+                TextUnformatted(info->Desc);
+            else if (tool->StackLevel >= tool->Results.Size)    // Only start using fallback below when all queries are done, so during queries we don't flickering ??? markers.
+            {
+#ifdef IMGUI_ENABLE_TEST_ENGINE
+                if (const char* label = ImGuiTestEngine_FindItemDebugLabel(&g, info->ID))    // Source: ImGuiTestEngine's ItemInfo()
+                    Text("??? \"%s\"", label);
+                else
+#endif
+                    TextUnformatted("???");
+            }
+
             TableNextColumn();
             Text("0x%08X", info->ID);
             if (n == tool->Results.Size - 1)

imgui.h

@@ -1,4 +1,4 @@
-// dear imgui, v1.88 WIP
+// dear imgui, v1.87
 // (headers)
 
 // Help:
@@ -64,8 +64,8 @@ Index of this file:
 
 // Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
-#define IMGUI_VERSION               "1.88 WIP"
-#define IMGUI_VERSION_NUM           18703
+#define IMGUI_VERSION               "1.87"
+#define IMGUI_VERSION_NUM           18700
 #define IMGUI_CHECKVERSION()        ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
 #define IMGUI_HAS_TABLE
 
@@ -1421,14 +1421,6 @@ enum ImGuiKey_
     ImGuiKey_GamepadRStickLeft,     // [Analog]
     ImGuiKey_GamepadRStickRight,    // [Analog]
 
-    // High-level/virtual keys (for e.g. web apps events)
-    ImGuiKey_Copy,
-    ImGuiKey_Cut,
-    ImGuiKey_Paste,
-    ImGuiKey_Undo,
-    ImGuiKey_Redo,
-    ImGuiKey_SelectAll,
-
     // Keyboard Modifiers
     // - This is mirroring the data also written to io.KeyCtrl, io.KeyShift, io.KeyAlt, io.KeySuper, in a format allowing
     //   them to be accessed via standard key API, allowing calls such as IsKeyPressed(), IsKeyReleased(), querying duration etc.
@@ -1587,6 +1579,7 @@ enum ImGuiCol_
     ImGuiCol_NavWindowingHighlight, // Highlight window when using CTRL+TAB
     ImGuiCol_NavWindowingDimBg,     // Darken/colorize entire screen behind the CTRL+TAB window list, when active
     ImGuiCol_ModalWindowDimBg,      // Darken/colorize entire screen behind a modal window, when one is active
+    ImGuiCol_WindowShadow,          // Window shadows
     ImGuiCol_COUNT
 };
 
@@ -1885,6 +1878,9 @@ struct ImGuiStyle
     bool        AntiAliasedFill;            // Enable anti-aliased edges around filled shapes (rounded rectangles, circles, etc.). Disable if you are really tight on CPU/GPU. Latched at the beginning of the frame (copied to ImDrawList).
     float       CurveTessellationTol;       // Tessellation tolerance when using PathBezierCurveTo() without a specific number of segments. Decrease for highly tessellated curves (higher quality, more polygons), increase to reduce quality.
     float       CircleTessellationMaxError; // Maximum error (in pixels) allowed when using AddCircle()/AddCircleFilled() or drawing rounded corner rectangles with no explicit segment count specified. Decrease for higher quality but more geometry.
+    float       WindowShadowSize;           // Size (in pixels) of window shadows. Set this to zero to disable shadows.
+    float       WindowShadowOffsetDist;     // Offset distance (in pixels) of window shadows from casting window.
+    float       WindowShadowOffsetAngle;    // Offset angle of window shadows from casting window (0.0f = left, 0.5f*PI = bottom, 1.0f*PI = right, 1.5f*PI = top).
     ImVec4      Colors[ImGuiCol_COUNT];
 
     IMGUI_API ImGuiStyle();
@@ -2481,7 +2477,8 @@ enum ImDrawFlags_
     ImDrawFlags_RoundCornersRight           = ImDrawFlags_RoundCornersBottomRight | ImDrawFlags_RoundCornersTopRight,
     ImDrawFlags_RoundCornersAll             = ImDrawFlags_RoundCornersTopLeft | ImDrawFlags_RoundCornersTopRight | ImDrawFlags_RoundCornersBottomLeft | ImDrawFlags_RoundCornersBottomRight,
     ImDrawFlags_RoundCornersDefault_        = ImDrawFlags_RoundCornersAll, // Default to ALL corners if none of the _RoundCornersXX flags are specified.
-    ImDrawFlags_RoundCornersMask_           = ImDrawFlags_RoundCornersAll | ImDrawFlags_RoundCornersNone
+    ImDrawFlags_RoundCornersMask_           = ImDrawFlags_RoundCornersAll | ImDrawFlags_RoundCornersNone,
+    ImDrawFlags_ShadowCutOutShapeBackground = 1 << 9  // Do not render the shadow shape under the objects to be shadowed to save on fill-rate or facilitate blending. Slower on CPU.
 };
 
 // Flags for ImDrawList instance. Those are set automatically by ImGui:: functions from ImGuiIO settings, and generally not manipulated directly.
@@ -2570,6 +2567,23 @@ struct ImDrawList
     IMGUI_API void  AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1 = ImVec2(0, 0), const ImVec2& uv2 = ImVec2(1, 0), const ImVec2& uv3 = ImVec2(1, 1), const ImVec2& uv4 = ImVec2(0, 1), ImU32 col = IM_COL32_WHITE);
     IMGUI_API void  AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawFlags flags = 0);
 
+    // Shadows primitives
+    // [BETA] API
+    // - Add shadow for a object, with min/max or center/radius describing the object extents, and offset shifting the shadow.
+    // - Rounding parameters refer to the object itself, not the shadow!
+    // - By default, the area under the object is filled, because this is simpler to process.
+    //   Using the ImDrawFlags_ShadowCutOutShapeBackground flag makes the function not render this area and leave a hole under the object.
+    //    - Shadows w/ fill under the object: a bit faster for CPU, more pixels rendered, visible/darkening if used behind a transparent shape.
+    //      Typically used by: small, frequent objects, opaque objects, transparent objects if shadow darkening isn't an issue.
+    //    - Shadows w/ hole under the object: a bit slower for CPU, less pixels rendered, no difference if used behind a transparent shape.
+    //      Typically used by: large, infrequent objects, transparent objects if exact blending/color matter.
+    // - FIXME-SHADOWS: 'offset' + ImDrawFlags_ShadowCutOutShapeBackground are not currently supported together with AddShadowCircle(), AddShadowConvexPoly(), AddShadowNGon().
+    #define IMGUI_HAS_SHADOWS 1
+    IMGUI_API void  AddShadowRect(const ImVec2& obj_min, const ImVec2& obj_max, ImU32 shadow_col, float shadow_thickness, const ImVec2& shadow_offset, ImDrawFlags flags = 0, float obj_rounding = 0.0f);
+    IMGUI_API void  AddShadowCircle(const ImVec2& obj_center, float obj_radius, ImU32 shadow_col, float shadow_thickness, const ImVec2& shadow_offset, ImDrawFlags flags = 0, int obj_num_segments = 12);
+    IMGUI_API void  AddShadowConvexPoly(const ImVec2* points, int points_count, ImU32 shadow_col, float shadow_thickness, const ImVec2& shadow_offset, ImDrawFlags flags = 0);
+    IMGUI_API void  AddShadowNGon(const ImVec2& obj_center, float obj_radius, ImU32 shadow_col, float shadow_thickness, const ImVec2& shadow_offset, ImDrawFlags flags, int obj_num_segments);
+
     // Stateful path API, add points then finish with PathFillConvex() or PathStroke()
     inline    void  PathClear()                                                 { _Path.Size = 0; }
     inline    void  PathLineTo(const ImVec2& pos)                               { _Path.push_back(pos); }
@@ -2652,6 +2666,24 @@ struct ImDrawData
 // [SECTION] Font API (ImFontConfig, ImFontGlyph, ImFontAtlasFlags, ImFontAtlas, ImFontGlyphRangesBuilder, ImFont)
 //-----------------------------------------------------------------------------
 
+// [Internal] Shadow texture baking config
+struct ImFontAtlasShadowTexConfig
+{
+    int     TexCornerSize;          // Size of the corner areas.
+    int     TexEdgeSize;            // Size of the edge areas (and by extension the center). Changing this is normally unnecessary.
+    float   TexFalloffPower;        // The power factor for the shadow falloff curve.
+    float   TexDistanceFieldOffset; // How much to offset the distance field by (allows over/under-shadowing, potentially useful for accommodating rounded corners on the "casting" shape).
+    bool    TexBlur;                // Do we want to Gaussian blur the shadow texture?
+
+    inline ImFontAtlasShadowTexConfig() { memset(this, 0, sizeof(*this)); }
+    IMGUI_API void SetupDefaults();
+    int     GetRectTexPadding() const   { return 2; }                                                   // Number of pixels of padding to add to the rectangular texture to avoid sampling artifacts at the edges.
+    int     CalcRectTexSize() const     { return TexCornerSize + TexEdgeSize + GetRectTexPadding(); }   // The size of the texture area required for the actual 2x2 rectangle shadow texture (after the redundant corners have been removed). Padding is required here to avoid sampling artifacts at the edge adjoining the removed corners.    int     CalcConvexTexWidth() const;                                                                // The width of the texture area required for the convex shape shadow texture.
+    int     GetConvexTexPadding() const { return 8; }                                                   // Number of pixels of padding to add to the convex shape texture to avoid sampling artifacts at the edges. This also acts as padding for the expanded corner triangles.
+    int     CalcConvexTexWidth() const;                                                                 // The width of the texture area required for the convex shape shadow texture.
+    int     CalcConvexTexHeight() const;                                                                // The height of the texture area required for the convex shape shadow texture.
+};
+
 struct ImFontConfig
 {
     void*           FontData;               //          // TTF/OTF data
@@ -2840,6 +2872,11 @@ struct ImFontAtlas
     int                         PackIdMouseCursors; // Custom texture rectangle ID for white pixel and mouse cursors
     int                         PackIdLines;        // Custom texture rectangle ID for baked anti-aliased lines
 
+    // [Internal] Shadow data
+    int                         ShadowRectIds[2];   // IDs of rect for shadow textures
+    ImVec4                      ShadowRectUvs[10];  // UV coordinates for shadow textures, 9 for the rectangle shadows and the final entry for the convex shape shadows
+    ImFontAtlasShadowTexConfig  ShadowTexConfig;    // Shadow texture baking config
+
     // [Obsolete]
     //typedef ImFontAtlasCustomRect    CustomRect;         // OBSOLETED in 1.72+
     //typedef ImFontGlyphRangesBuilder GlyphRangesBuilder; // OBSOLETED in 1.67+

imgui_demo.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.88 WIP
+// dear imgui, v1.87
 // (demo code)
 
 // Help:
@@ -6328,6 +6328,22 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
             ImGui::EndTabItem();
         }
 
+        if (ImGui::BeginTabItem("Shadows"))
+        {
+            ImGui::Text("Window shadows:");
+            ImGui::ColorEdit4("Color", (float*)&style.Colors[ImGuiCol_WindowShadow], ImGuiColorEditFlags_AlphaBar);
+            ImGui::SameLine();
+            HelpMarker("Same as 'WindowShadow' in Colors tab.");
+
+            ImGui::SliderFloat("Size", &style.WindowShadowSize, 0.0f, 128.0f, "%.1f");
+            ImGui::SameLine();
+            HelpMarker("Set shadow size to zero to disable shadows.");
+            ImGui::SliderFloat("Offset distance", &style.WindowShadowOffsetDist, 0.0f, 64.0f, "%.0f");
+            ImGui::SliderAngle("Offset angle", &style.WindowShadowOffsetAngle);
+
+            ImGui::EndTabItem();
+        }
+
         ImGui::EndTabBar();
     }
 
@@ -7599,6 +7615,165 @@ static void ShowExampleAppCustomRendering(bool* p_open)
             ImGui::EndTabItem();
         }
 
+        if (ImGui::BeginTabItem("Shadows"))
+        {
+            static float shadow_thickness = 40.0f;
+            static ImVec4 shadow_color = ImVec4(0.0f, 0.0f, 0.0f, 1.0f);
+            static bool shadow_filled = false;
+            static ImVec4 shape_color = ImVec4(0.9f, 0.6f, 0.3f, 1.0f);
+            static float shape_rounding = 0.0f;
+            static ImVec2 shadow_offset(0.0f, 0.0f);
+            static ImVec4 background_color = ImVec4(0.5f, 0.5f, 0.7f, 1.0f);
+            static bool wireframe = false;
+            static bool aa = true;
+            static int poly_shape_index = 0;
+            ImGui::Checkbox("Shadow filled", &shadow_filled);
+            ImGui::SameLine();
+            HelpMarker("This will fill the section behind the shape to shadow. It's often unnecessary and wasteful but provided for consistency.");
+            ImGui::Checkbox("Wireframe shapes", &wireframe);
+            ImGui::SameLine();
+            HelpMarker("This draws the shapes in wireframe so you can see the shadow underneath.");
+            ImGui::Checkbox("Anti-aliasing", &aa);
+
+            ImGui::DragFloat("Shadow Thickness", &shadow_thickness, 1.0f, 0.0f, 100.0f, "%.02f");
+            ImGui::SliderFloat2("Offset", (float*)&shadow_offset, -32.0f, 32.0f);
+            ImGui::SameLine();
+            HelpMarker("Note that currently circles/convex shapes do not support non-zero offsets for unfilled shadows.");
+            ImGui::ColorEdit4("Background Color", &background_color.x);
+            ImGui::ColorEdit4("Shadow Color", &shadow_color.x);
+            ImGui::ColorEdit4("Shape Color", &shape_color.x);
+            ImGui::DragFloat("Shape Rounding", &shape_rounding, 1.0f, 0.0f, 20.0f, "%.02f");
+            ImGui::Combo("Convex shape", &poly_shape_index, "Shape 1\0Shape 2\0Shape 3\0Shape 4\0Shape 4 (winding reversed)");
+
+            ImDrawList* draw_list = ImGui::GetWindowDrawList();
+            ImDrawListFlags old_flags = draw_list->Flags;
+
+            if (aa)
+                draw_list->Flags |= ~ImDrawListFlags_AntiAliasedFill;
+            else
+                draw_list->Flags &= ~ImDrawListFlags_AntiAliasedFill;
+
+            // Fill a strip of background
+            draw_list->AddRectFilled(ImVec2(ImGui::GetCursorScreenPos().x, ImGui::GetCursorScreenPos().y), ImVec2(ImGui::GetCursorScreenPos().x + ImGui::GetWindowContentRegionMax().x, ImGui::GetCursorScreenPos().y + 200.0f), ImGui::GetColorU32(background_color));
+
+            // Rectangle
+            {
+                ImVec2 p = ImGui::GetCursorScreenPos();
+                ImGui::Dummy(ImVec2(200.0f, 200.0f));
+
+                ImVec2 r1(p.x + 50.0f, p.y + 50.0f);
+                ImVec2 r2(p.x + 150.0f, p.y + 150.0f);
+                ImDrawFlags draw_flags = shadow_filled ? ImDrawFlags_None : ImDrawFlags_ShadowCutOutShapeBackground;
+                draw_list->AddShadowRect(r1, r2, ImGui::GetColorU32(shadow_color), shadow_thickness, shadow_offset, draw_flags, shape_rounding);
+
+                if (wireframe)
+                    draw_list->AddRect(r1, r2, ImGui::GetColorU32(shape_color), shape_rounding);
+                else
+                    draw_list->AddRectFilled(r1, r2, ImGui::GetColorU32(shape_color), shape_rounding);
+            }
+
+            ImGui::SameLine();
+
+            // Circle
+            {
+                ImVec2 p = ImGui::GetCursorScreenPos();
+                ImGui::Dummy(ImVec2(200.0f, 200.0f));
+
+                // FIXME-SHADOWS: Offset forced to zero when shadow is not filled because it isn't supported
+                float off = 10.0f;
+                ImVec2 r1(p.x + 50.0f + off, p.y + 50.0f + off);
+                ImVec2 r2(p.x + 150.0f - off, p.y + 150.0f - off);
+                ImVec2 center(p.x + 100.0f, p.y + 100.0f);
+                ImDrawFlags draw_flags = shadow_filled ? ImDrawFlags_None : ImDrawFlags_ShadowCutOutShapeBackground;
+                draw_list->AddShadowCircle(center, 50.0f, ImGui::GetColorU32(shadow_color), shadow_thickness, shadow_filled ? shadow_offset : ImVec2(0.0f, 0.0f), draw_flags, 0);
+
+                if (wireframe)
+                    draw_list->AddCircle(center, 50.0f, ImGui::GetColorU32(shape_color), 0);
+                else
+                    draw_list->AddCircleFilled(center, 50.0f, ImGui::GetColorU32(shape_color), 0);
+            }
+
+            ImGui::SameLine();
+
+            // Convex shape
+            {
+                ImVec2 pos = ImGui::GetCursorScreenPos();
+                ImGui::Dummy(ImVec2(200.0f, 200.0f));
+
+                const ImVec2 poly_centre(pos.x + 50.0f, pos.y + 100.0f);
+                ImVec2 poly_points[8];
+                int poly_points_count = 0;
+
+                switch (poly_shape_index)
+                {
+                default:
+                case 0:
+                {
+                    poly_points[0] = ImVec2(poly_centre.x - 32.0f, poly_centre.y);
+                    poly_points[1] = ImVec2(poly_centre.x - 24.0f, poly_centre.y + 24.0f);
+                    poly_points[2] = ImVec2(poly_centre.x, poly_centre.y + 32.0f);
+                    poly_points[3] = ImVec2(poly_centre.x + 24.0f, poly_centre.y + 24.0f);
+                    poly_points[4] = ImVec2(poly_centre.x + 32.0f, poly_centre.y);
+                    poly_points[5] = ImVec2(poly_centre.x + 24.0f, poly_centre.y - 24.0f);
+                    poly_points[6] = ImVec2(poly_centre.x, poly_centre.y - 32.0f);
+                    poly_points[7] = ImVec2(poly_centre.x - 32.0f, poly_centre.y - 32.0f);
+                    poly_points_count = 8;
+                    break;
+                }
+                case 1:
+                {
+                    poly_points[0] = ImVec2(poly_centre.x + 40.0f, poly_centre.y - 20.0f);
+                    poly_points[1] = ImVec2(poly_centre.x, poly_centre.y + 32.0f);
+                    poly_points[2] = ImVec2(poly_centre.x - 24.0f, poly_centre.y - 32.0f);
+                    poly_points_count = 3;
+                    break;
+                }
+                case 2:
+                {
+                    poly_points[0] = ImVec2(poly_centre.x - 32.0f, poly_centre.y);
+                    poly_points[1] = ImVec2(poly_centre.x, poly_centre.y + 32.0f);
+                    poly_points[2] = ImVec2(poly_centre.x + 32.0f, poly_centre.y);
+                    poly_points[3] = ImVec2(poly_centre.x, poly_centre.y - 32.0f);
+                    poly_points_count = 4;
+                    break;
+                }
+                case 3:
+                {
+                    poly_points[0] = ImVec2(poly_centre.x - 4.0f, poly_centre.y - 20.0f);
+                    poly_points[1] = ImVec2(poly_centre.x + 12.0f, poly_centre.y + 2.0f);
+                    poly_points[2] = ImVec2(poly_centre.x + 8.0f, poly_centre.y + 16.0f);
+                    poly_points[3] = ImVec2(poly_centre.x, poly_centre.y + 32.0f);
+                    poly_points[4] = ImVec2(poly_centre.x - 16.0f, poly_centre.y - 32.0f);
+                    poly_points_count = 5;
+                    break;
+                }
+                case 4: // Same as test case 3 but with reversed winding
+                {
+                    poly_points[0] = ImVec2(poly_centre.x - 16.0f, poly_centre.y - 32.0f);
+                    poly_points[1] = ImVec2(poly_centre.x, poly_centre.y + 32.0f);
+                    poly_points[2] = ImVec2(poly_centre.x + 8.0f, poly_centre.y + 16.0f);
+                    poly_points[3] = ImVec2(poly_centre.x + 12.0f, poly_centre.y + 2.0f);
+                    poly_points[4] = ImVec2(poly_centre.x - 4.0f, poly_centre.y - 20.0f);
+                    poly_points_count = 5;
+                    break;
+                }
+                }
+
+                // FIXME-SHADOWS: Offset forced to zero when shadow is not filled because it isn't supported
+                ImDrawFlags draw_flags = shadow_filled ? ImDrawFlags_None : ImDrawFlags_ShadowCutOutShapeBackground;
+                draw_list->AddShadowConvexPoly(poly_points, poly_points_count, ImGui::GetColorU32(shadow_color), shadow_thickness, shadow_filled ? shadow_offset : ImVec2(0.0f, 0.0f), draw_flags);
+
+                if (wireframe)
+                    draw_list->AddPolyline(poly_points, poly_points_count, ImGui::GetColorU32(shape_color), true, 1.0f);
+                else
+                    draw_list->AddConvexPolyFilled(poly_points, poly_points_count, ImGui::GetColorU32(shape_color));
+            }
+
+            draw_list->Flags = old_flags;
+
+            ImGui::EndTabItem();
+        }
+
         if (ImGui::BeginTabItem("BG/FG draw lists"))
         {
             static bool draw_bg = true;

imgui_internal.h

@@ -1,4 +1,4 @@
-// dear imgui, v1.88 WIP
+// dear imgui, v1.87
 // (internal structures/api)
 
 // You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!
@@ -132,6 +132,7 @@ struct ImGuiPopupData;              // Storage for current popup stack
 struct ImGuiSettingsHandler;        // Storage for one type registered in the .ini file
 struct ImGuiStackSizes;             // Storage of stack sizes for debugging/asserting
 struct ImGuiStyleMod;               // Stacked style modifier, backup of modified data so we can restore it
+struct ImGuiStyleShadowTexConfig;   // Shadow Texture baking config
 struct ImGuiTabBar;                 // Storage for a tab bar
 struct ImGuiTabItem;                // Storage for a tab item (within a tab bar)
 struct ImGuiTable;                  // Storage for a table
@@ -438,6 +439,7 @@ static inline ImVec4 ImLerp(const ImVec4& a, const ImVec4& b, float t)
 static inline float  ImSaturate(float f)                                        { return (f < 0.0f) ? 0.0f : (f > 1.0f) ? 1.0f : f; }
 static inline float  ImLengthSqr(const ImVec2& lhs)                             { return (lhs.x * lhs.x) + (lhs.y * lhs.y); }
 static inline float  ImLengthSqr(const ImVec4& lhs)                             { return (lhs.x * lhs.x) + (lhs.y * lhs.y) + (lhs.z * lhs.z) + (lhs.w * lhs.w); }
+static inline float  ImLength(const ImVec2& lhs, float fail_value)              { float d = (lhs.x * lhs.x) + (lhs.y * lhs.y); if (d > 0.0f) return ImSqrt(d); return fail_value; }
 static inline float  ImInvLength(const ImVec2& lhs, float fail_value)           { float d = (lhs.x * lhs.x) + (lhs.y * lhs.y); if (d > 0.0f) return ImRsqrt(d); return fail_value; }
 static inline float  ImFloor(float f)                                           { return (float)(int)(f); }
 static inline float  ImFloorSigned(float f)                                     { return (float)((f >= 0 || (float)(int)f == f) ? (int)f : (int)f - 1); } // Decent replacement for floorf()
@@ -725,6 +727,9 @@ struct IMGUI_API ImDrawListSharedData
     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
 
+    int*            ShadowRectIds;              // IDs of rects for shadow texture (2 entries)
+    const ImVec4*   ShadowRectUvs;              // UV coordinates for shadow texture (10 entries)
+
     ImDrawListSharedData();
     void SetCircleTessellationMaxError(float max_error);
 };
@@ -1510,8 +1515,7 @@ struct ImGuiStackLevelInfo
     ImGuiID                 ID;
     ImS8                    QueryFrameCount;            // >= 1: Query in progress
     bool                    QuerySuccess;               // Obtained result from DebugHookIdInfo()
-    ImGuiDataType           DataType : 8;
-    char                    Desc[57];                   // Arbitrarily sized buffer to hold a result (FIXME: could replace Results[] with a chunk stream?) FIXME: Now that we added CTRL+C this should be fixed.
+    char                    Desc[58];                   // Arbitrarily sized buffer to hold a result (FIXME: could replace Results[] with a chunk stream?)
 
     ImGuiStackLevelInfo()   { memset(this, 0, sizeof(*this)); }
 };
@@ -1523,10 +1527,8 @@ struct ImGuiStackTool
     int                     StackLevel;                 // -1: query stack and resize Results, >= 0: individual stack level
     ImGuiID                 QueryId;                    // ID to query details for
     ImVector<ImGuiStackLevelInfo> Results;
-    bool                    CopyToClipboardOnCtrlC;
-    float                   CopyToClipboardLastTime;
 
-    ImGuiStackTool()        { memset(this, 0, sizeof(*this)); CopyToClipboardLastTime = -FLT_MAX; }
+    ImGuiStackTool()        { memset(this, 0, sizeof(*this)); }
 };
 
 //-----------------------------------------------------------------------------
@@ -2763,12 +2765,12 @@ namespace ImGui
     IMGUI_API void          RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, float grid_step, ImVec2 grid_off, float rounding = 0.0f, ImDrawFlags flags = 0);
     IMGUI_API void          RenderNavHighlight(const ImRect& bb, ImGuiID id, ImGuiNavHighlightFlags flags = ImGuiNavHighlightFlags_TypeDefault); // Navigation highlight
     IMGUI_API const char*   FindRenderedTextEnd(const char* text, const char* text_end = NULL); // Find the optional ## from which we stop displaying text.
-    IMGUI_API void          RenderMouseCursor(ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow);
 
     // Render helpers (those functions don't access any ImGui state!)
     IMGUI_API void          RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale = 1.0f);
     IMGUI_API void          RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col);
     IMGUI_API void          RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz);
+    IMGUI_API void          RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow);
     IMGUI_API void          RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col);
     IMGUI_API void          RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding);
     IMGUI_API void          RenderRectFilledWithHole(ImDrawList* draw_list, ImRect outer, ImRect inner, ImU32 col, float rounding);

imgui_tables.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.88 WIP
+// dear imgui, v1.87
 // (tables and columns code)
 
 /*

imgui_widgets.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.88 WIP
+// dear imgui, v1.87
 // (widgets code)
 
 /*
@@ -4248,11 +4248,11 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
         const bool is_shift_key_only = (io.KeyMods == ImGuiKeyModFlags_Shift);
         const bool is_shortcut_key = g.IO.ConfigMacOSXBehaviors ? (io.KeyMods == ImGuiKeyModFlags_Super) : (io.KeyMods == ImGuiKeyModFlags_Ctrl);
 
-        const bool is_cut   = ((is_shortcut_key && IsKeyPressed(ImGuiKey_X)) || (is_shift_key_only && IsKeyPressed(ImGuiKey_Delete)) || IsKeyPressed(ImGuiKey_Cut))   && !is_readonly && !is_password && (!is_multiline || state->HasSelection());
-        const bool is_copy  = ((is_shortcut_key && IsKeyPressed(ImGuiKey_C)) || (is_ctrl_key_only  && IsKeyPressed(ImGuiKey_Insert)) || IsKeyPressed(ImGuiKey_Copy))  && !is_password && (!is_multiline || state->HasSelection());
-        const bool is_paste = ((is_shortcut_key && IsKeyPressed(ImGuiKey_V)) || (is_shift_key_only && IsKeyPressed(ImGuiKey_Insert)) || IsKeyPressed(ImGuiKey_Paste)) && !is_readonly;
-        const bool is_undo  = ((is_shortcut_key && IsKeyPressed(ImGuiKey_Z)) || IsKeyPressed(ImGuiKey_Undo))                                                          && !is_readonly && is_undoable;
-        const bool is_redo  = ((is_shortcut_key && IsKeyPressed(ImGuiKey_Y)) || (is_osx_shift_shortcut && IsKeyPressed(ImGuiKey_Z)) || IsKeyPressed(ImGuiKey_Redo))   && !is_readonly && is_undoable;
+        const bool is_cut   = ((is_shortcut_key && IsKeyPressed(ImGuiKey_X)) || (is_shift_key_only && IsKeyPressed(ImGuiKey_Delete))) && !is_readonly && !is_password && (!is_multiline || state->HasSelection());
+        const bool is_copy  = ((is_shortcut_key && IsKeyPressed(ImGuiKey_C)) || (is_ctrl_key_only  && IsKeyPressed(ImGuiKey_Insert))) && !is_password && (!is_multiline || state->HasSelection());
+        const bool is_paste = ((is_shortcut_key && IsKeyPressed(ImGuiKey_V)) || (is_shift_key_only && IsKeyPressed(ImGuiKey_Insert))) && !is_readonly;
+        const bool is_undo  = ((is_shortcut_key && IsKeyPressed(ImGuiKey_Z)) && !is_readonly && is_undoable);
+        const bool is_redo  = ((is_shortcut_key && IsKeyPressed(ImGuiKey_Y)) || (is_osx_shift_shortcut && IsKeyPressed(ImGuiKey_Z))) && !is_readonly && is_undoable;
 
         // We allow validate/cancel with Nav source (gamepad) to makes it easier to undo an accidental NavInput press with no keyboard wired, but otherwise it isn't very useful.
         const bool is_validate_enter = IsKeyPressed(ImGuiKey_Enter) || IsKeyPressed(ImGuiKey_KeypadEnter);
@@ -4307,7 +4307,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
             state->OnKeyPressed(is_undo ? STB_TEXTEDIT_K_UNDO : STB_TEXTEDIT_K_REDO);
             state->ClearSelection();
         }
-        else if ((is_shortcut_key && IsKeyPressed(ImGuiKey_A)) || IsKeyPressed(ImGuiKey_SelectAll))
+        else if (is_shortcut_key && IsKeyPressed(ImGuiKey_A))
         {
             state->SelectAll();
             state->CursorFollow = true;
@@ -6780,10 +6780,14 @@ bool ImGui::BeginViewportSideBar(const char* name, ImGuiViewport* viewport_p, Im
     }
 
     window_flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove;
+
+    // Create window
+    PushStyleColor(ImGuiCol_WindowShadow, ImVec4(0, 0, 0, 0));
     PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
     PushStyleVar(ImGuiStyleVar_WindowMinSize, ImVec2(0, 0)); // Lift normal size constraint
     bool is_open = Begin(name, NULL, window_flags);
     PopStyleVar(2);
+    PopStyleColor();
 
     return is_open;
 }