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Backends: SDL2, SDL3: Replace Win32 hack with SDL_HINT_WINDOW_ACTIVATE_WHEN_SHOWN hint. (#7896)

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RT2 2024-08-17 13:13:10 +02:00 committed by ocornut
parent fbafc33376
commit fa65dcf24c
3 changed files with 9 additions and 8 deletions
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6
backends/imgui_impl_sdl2.cpp
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@ -116,6 +116,7 @@
#define SDL_HAS_PER_MONITOR_DPI SDL_VERSION_ATLEAST(2,0,4)
#define SDL_HAS_VULKAN SDL_VERSION_ATLEAST(2,0,6)
#define SDL_HAS_DISPLAY_EVENT SDL_VERSION_ATLEAST(2,0,9)
#define SDL_HAS_SHOW_WINDOW_ACTIVATION_HINT SDL_VERSION_ATLEAST(2,0,18)
#if !SDL_HAS_VULKAN
static const Uint32 SDL_WINDOW_VULKAN = 0x10000000;
#endif
@ -1012,7 +1013,11 @@ static void ImGui_ImplSDL2_ShowWindow(ImGuiViewport* viewport)
ex_style |= WS_EX_TOOLWINDOW;
::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
}
#endif
#if SDL_HAS_SHOW_WINDOW_ACTIVATION_HINT
SDL_SetHint(SDL_HINT_WINDOW_NO_ACTIVATION_WHEN_SHOWN, (viewport->Flags & ImGuiViewportFlags_NoFocusOnAppearing) ? "1" : "0");
#elif defined(_WIN32)
// SDL hack: SDL always activate/focus windows :/
if (viewport->Flags & ImGuiViewportFlags_NoFocusOnAppearing)
{
@ -1020,7 +1025,6 @@ static void ImGui_ImplSDL2_ShowWindow(ImGuiViewport* viewport)
return;
}
#endif
SDL_ShowWindow(vd->Window);
}

8
backends/imgui_impl_sdl3.cpp
View File

@ -952,15 +952,9 @@ static void ImGui_ImplSDL3_ShowWindow(ImGuiViewport* viewport)
ex_style |= WS_EX_TOOLWINDOW;
::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
}
// SDL hack: SDL always activate/focus windows :/
if (viewport->Flags & ImGuiViewportFlags_NoFocusOnAppearing)
{
::ShowWindow(hwnd, SW_SHOWNA);
return;
}
#endif
SDL_SetHint(SDL_HINT_WINDOW_ACTIVATE_WHEN_SHOWN, (viewport->Flags & ImGuiViewportFlags_NoFocusOnAppearing) ? "0" : "1");
SDL_ShowWindow(vd->Window);
}

3
docs/CHANGELOG.txt
View File

@ -58,6 +58,9 @@ Docking+Viewports Branch:
to allow backends to alter the default per-viewport work-area. (#7823)
- Backends: don't report monitors with DpiScale of 0, which seemed to be reported
for virtual monitors instead by accessibility drivers. (#7902) [@nicolasnoble]
- Backends: SDL2, SDL3: using SDL_HINT_WINDOW_NO_ACTIVATION_WHEN_SHOWN to support the
ImGuiViewportFlags_NoFocusOnAppearing flag, instead of using a Win32-specific hack.
(#7896) [@RT2Code]
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