Internals: Add a way to request window to not process any interactions for specified number of frames.

backends/imgui_impl_win32.cpp

@@ -134,7 +134,7 @@ bool    ImGui_ImplWin32_Init(void* hwnd)
             break;
         }
 #endif // IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
-    
+
     return true;
 }
 
@@ -148,7 +148,7 @@ void    ImGui_ImplWin32_Shutdown()
     g_XInputGetCapabilities = NULL;
     g_XInputGetState = NULL;
 #endif // IMGUI_IMPL_WIN32_DISABLE_GAMEPAD
-    
+
     g_hWnd = NULL;
     g_Time = 0;
     g_TicksPerSecond = 0;

imgui.cpp

@@ -6294,6 +6294,13 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
         // Update the Hidden flag
         window->Hidden = (window->HiddenFramesCanSkipItems > 0) || (window->HiddenFramesCannotSkipItems > 0) || (window->HiddenFramesForRenderOnly > 0);
 
+        // Disable inputs for requested number of frames
+        if (window->DisableInputsFrames > 0)
+        {
+            window->DisableInputsFrames--;
+            window->Flags |= ImGuiWindowFlags_NoInputs;
+        }
+
         // Update the SkipItems flag, used to early out of all items functions (no layout required)
         bool skip_items = false;
         if (window->Collapsed || !window->Active || window->Hidden)

imgui_internal.h

@@ -1784,6 +1784,7 @@ struct IMGUI_API ImGuiWindow
     ImS8                    HiddenFramesCanSkipItems;           // Hide the window for N frames
     ImS8                    HiddenFramesCannotSkipItems;        // Hide the window for N frames while allowing items to be submitted so we can measure their size
     ImS8                    HiddenFramesForRenderOnly;          // Hide the window until frame N at Render() time only
+    ImS8                    DisableInputsFrames;                // Disable window interactions for N frames
     ImGuiCond               SetWindowPosAllowFlags : 8;         // store acceptable condition flags for SetNextWindowPos() use.
     ImGuiCond               SetWindowSizeAllowFlags : 8;        // store acceptable condition flags for SetNextWindowSize() use.
     ImGuiCond               SetWindowCollapsedAllowFlags : 8;   // store acceptable condition flags for SetNextWindowCollapsed() use.