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Examples, Platform, Viewport: Fixed inconsistent window ownership issues. Added comments. Made Win32/SDL back-ends track ownership.

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omar
2018-04-09 22:01:24 +02:00
parent 56ad2a2d74
commit d4dd448511
9 changed files with 44 additions and 28 deletions
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8
imgui.h
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@ -549,10 +549,10 @@ namespace ImGui
// (Optional) Platform interface for multi-viewport support
IMGUI_API ImGuiPlatformIO& GetPlatformIO(); // Platform/Renderer function, for back-end to setup.
IMGUI_API ImGuiPlatformData* GetPlatformData(); // List of viewports. Viewport 0 is always the main viewport, followed by the secondary viewports.
IMGUI_API ImGuiViewport* GetMainViewport(); // GetPlatformData()->MainViewport
IMGUI_API void UpdatePlatformWindows(); // Call in main loop. Create/Destroy/Resize platform windows so there's one for each viewport
IMGUI_API void RenderPlatformWindowsDefault(void* platform_render_arg = NULL, void* renderer_render_arg = NULL); // Call in main loop. Call RenderWindow/SwapBuffers from the ImGuiPlatformIO structure. May be reimplemented by user.
IMGUI_API void DestroyPlatformWindows(); // (Optional) Call in back-end shutdown if you need to close Platform Windows before imgui shutdown.
IMGUI_API ImGuiViewport* GetMainViewport(); // == GetPlatformData()->MainViewport == GetPlatformData()->Viewports[0]
IMGUI_API void UpdatePlatformWindows(); // Call in main loop. Will call CreateWindow/ResizeWindow/etc. platform functions for each secondary viewport, and DestroyWindow for each inactive viewport.
IMGUI_API void RenderPlatformWindowsDefault(void* platform_arg = NULL, void* renderer_arg = NULL); // Call in main loop. Will call RenderWindow/SwapBuffers platform functions for each secondary viewport. May be reimplemented by user for custom rendering needs.
IMGUI_API void DestroyPlatformWindows(); // (Optional) Call DestroyWindow platform functions for all viewports. Call from back-end Shutdown() if you need to close platform windows before imgui shutdown. Otherwise will be called by DestroyContext().
IMGUI_API ImGuiViewport* FindViewportByPlatformHandle(void* platform_handle);
// Memory Utilities