Updated ImGui.

3rdparty/dear-imgui/imgui.cpp

@@ -7518,13 +7518,19 @@ bool ImGui::BeginPopupModal(const char* name, bool* p_open, ImGuiWindowFlags fla
 void ImGui::EndPopup()
 {
     ImGuiContext& g = *GImGui;
-    IM_ASSERT(g.CurrentWindow->Flags & ImGuiWindowFlags_Popup);  // Mismatched BeginPopup()/EndPopup() calls
+    ImGuiWindow* window = g.CurrentWindow;
+    IM_ASSERT(window->Flags & ImGuiWindowFlags_Popup);  // Mismatched BeginPopup()/EndPopup() calls
     IM_ASSERT(g.BeginPopupStack.Size > 0);
 
     // Make all menus and popups wrap around for now, may need to expose that policy.
-    NavMoveRequestTryWrapping(g.CurrentWindow, ImGuiNavMoveFlags_LoopY);
+    NavMoveRequestTryWrapping(window, ImGuiNavMoveFlags_LoopY);
 
+    // Child-popups don't need to be layed out
+    IM_ASSERT(g.WithinEndChild == false);
+    if (window->Flags & ImGuiWindowFlags_ChildWindow)
+        g.WithinEndChild = true;
     End();
+    g.WithinEndChild = false;
 }
 
 bool ImGui::OpenPopupOnItemClick(const char* str_id, int mouse_button)

3rdparty/dear-imgui/imgui_internal.h

@@ -155,7 +155,11 @@ extern IMGUI_API ImGuiContext* GImGui;  // Current implicit context pointer
 #define IM_NEWLINE      "\n"
 #endif
 #define IM_TABSIZE      (4)
+#if (__cplusplus >= 201100)
+#define IM_STATIC_ASSERT(_COND)         static_assert(_COND, "")
+#else
 #define IM_STATIC_ASSERT(_COND)         typedef char static_assertion_##__line__[(_COND)?1:-1]
+#endif
 #define IM_F32_TO_INT8_UNBOUND(_VAL)    ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f)))   // Unsaturated, for display purpose
 #define IM_F32_TO_INT8_SAT(_VAL)        ((int)(ImSaturate(_VAL) * 255.0f + 0.5f))               // Saturated, always output 0..255
 #define IM_FLOOR(_VAL)                  ((float)(int)(_VAL))                                    // ImFloor() is not inlined in MSVC debug builds