Fixed building with IMGUI_DISABLE_DEBUG_TOOLS only. (#8796)

docs/CHANGELOG.txt

@@ -48,6 +48,7 @@ Other Changes:
   selected), impacting code not checking for BeginChild() return value. (#8815)
 - Error Handling: minor improvements to error handling for TableGetSortSpecs()
   and TableSetBgColor() calls. (#1651, #8499)
+- Misc: fixed building with IMGUI_DISABLE_DEBUG_TOOLS only. (#8796)
 - Misc: removed more redundant inline static linkage from imgui_internal.h to 
   facilitate using in C++ modules. (#8813, #8682, #8358) [@stripe2933]
 - CI: Added SDL3 builds to MacOS and Windows. (#8819, #8778) [@scribam]

imgui.cpp

@@ -15665,10 +15665,14 @@ static void Platform_SetImeDataFn_DefaultImpl(ImGuiContext*, ImGuiViewport*, ImG
 //-----------------------------------------------------------------------------
 // [SECTION] METRICS/DEBUGGER WINDOW
 //-----------------------------------------------------------------------------
+// - MetricsHelpMarker() [Internal]
 // - DebugRenderViewportThumbnail() [Internal]
 // - RenderViewportsThumbnails() [Internal]
+// - DebugRenderKeyboardPreview() [Internal]
 // - DebugTextEncoding()
-// - MetricsHelpMarker() [Internal]
+// - DebugFlashStyleColorStop() [Internal]
+// - DebugFlashStyleColor()
+// - UpdateDebugToolFlashStyleColor() [Internal]
 // - ShowFontAtlas() [Internal but called by Demo!]
 // - DebugNodeTexture() [Internal]
 // - ShowMetricsWindow()
@@ -15686,6 +15690,21 @@ static void Platform_SetImeDataFn_DefaultImpl(ImGuiContext*, ImGuiViewport*, ImG
 // - DebugNodeWindowsListByBeginStackParent() [Internal]
 //-----------------------------------------------------------------------------
 
+#if !defined(IMGUI_DISABLE_DEMO_WINDOWS) || !defined(IMGUI_DISABLE_DEBUG_TOOLS)
+// Avoid naming collision with imgui_demo.cpp's HelpMarker() for unity builds.
+static void MetricsHelpMarker(const char* desc)
+{
+    ImGui::TextDisabled("(?)");
+    if (ImGui::BeginItemTooltip())
+    {
+        ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f);
+        ImGui::TextUnformatted(desc);
+        ImGui::PopTextWrapPos();
+        ImGui::EndTooltip();
+    }
+}
+#endif
+
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
 
 void ImGui::DebugRenderViewportThumbnail(ImDrawList* draw_list, ImGuiViewportP* viewport, const ImRect& bb)
@@ -15874,19 +15893,6 @@ static const char* FormatTextureIDForDebugDisplay(char* buf, int buf_size, const
     return FormatTextureIDForDebugDisplay(buf, (int)(buf_end - buf), cmd->TexRef.GetTexID()); // Calling TexRef::GetTexID() to avoid assert of cmd->GetTexID()
 }
 
-// Avoid naming collision with imgui_demo.cpp's HelpMarker() for unity builds.
-static void MetricsHelpMarker(const char* desc)
-{
-    ImGui::TextDisabled("(?)");
-    if (ImGui::BeginItemTooltip())
-    {
-        ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f);
-        ImGui::TextUnformatted(desc);
-        ImGui::PopTextWrapPos();
-        ImGui::EndTooltip();
-    }
-}
-
 #ifdef IMGUI_ENABLE_FREETYPE
 namespace ImGuiFreeType { IMGUI_API const ImFontLoader* GetFontLoader(); IMGUI_API bool DebugEditFontLoaderFlags(unsigned int* p_font_builder_flags); }
 #endif