Revert "Backends: SDL2, SDL3: viewports created with ImGuiViewportFlags_NoInputs are passing SDL_WINDOW_TOOLTIP to SDL_CreateWindow(). (#8576)"

This reverts commit 2a000ee0918f5e80690c0f902124fd437c9e7509.

backends/imgui_impl_sdl2.cpp

@@ -26,7 +26,6 @@
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
 //  2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
-//  2025-04-23: [Docking] Viewports created with ImGuiViewportFlags_NoInputs are passing SDL_WINDOW_TOOLTIP to SDL_CreateWindow(). (#8576)
 //  2025-04-09: [Docking] Revert update monitors and work areas information every frame. Only do it on Windows. (#8415, #8558)
 //  2025-04-09: Don't attempt to call SDL_CaptureMouse() on drivers where we don't call SDL_GetGlobalMouseState(). (#8561)
 //  2025-03-21: Fill gamepad inputs and set ImGuiBackendFlags_HasGamepad regardless of ImGuiConfigFlags_NavEnableGamepad being set.
@@ -1045,7 +1044,6 @@ static void ImGui_ImplSDL2_CreateWindow(ImGuiViewport* viewport)
     sdl_flags |= SDL_WINDOW_HIDDEN;
     sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoDecoration) ? SDL_WINDOW_BORDERLESS : 0;
     sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoDecoration) ? 0 : SDL_WINDOW_RESIZABLE;
-    sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoInputs) ? SDL_WINDOW_TOOLTIP : 0;
 #if !defined(_WIN32)
     // See SDL hack in ImGui_ImplSDL2_ShowWindow().
     sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoTaskBarIcon) ? SDL_WINDOW_SKIP_TASKBAR : 0;

backends/imgui_impl_sdl3.cpp

@@ -24,7 +24,6 @@
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
 //  2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
-//  2025-04-23: [Docking] Viewports created with ImGuiViewportFlags_NoInputs are passing SDL_WINDOW_TOOLTIP to SDL_CreateWindow(). (#8576)
 //  2025-04-09: [Docking] Revert update monitors and work areas information every frame. Only do it on Windows. (#8415, #8558)
 //  2025-04-22: IME: honor ImGuiPlatformImeData->WantTextInput as an alternative way to call SDL_StartTextInput(), without IME being necessarily visible.
 //  2025-04-09: Don't attempt to call SDL_CaptureMouse() on drivers where we don't call SDL_GetGlobalMouseState(). (#8561)
@@ -1014,7 +1013,6 @@ static void ImGui_ImplSDL3_CreateWindow(ImGuiViewport* viewport)
     sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoDecoration) ? 0 : SDL_WINDOW_RESIZABLE;
     sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoTaskBarIcon) ? SDL_WINDOW_UTILITY : 0;
     sdl_flags |= (viewport->Flags & ImGuiViewportFlags_TopMost) ? SDL_WINDOW_ALWAYS_ON_TOP : 0;
-    sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoInputs) ? SDL_WINDOW_TOOLTIP : 0;
     vd->Window = SDL_CreateWindow("No Title Yet", (int)viewport->Size.x, (int)viewport->Size.y, sdl_flags);
     SDL_SetWindowParent(vd->Window, vd->ParentWindow);
     SDL_SetWindowPosition(vd->Window, (int)viewport->Pos.x, (int)viewport->Pos.y);

docs/CHANGELOG.txt

@@ -125,9 +125,6 @@ Docking+Viewports Branch:
 - Backends: SDL2, SDL3: revert updating monitors and work areas info every
   frame. Only do it on Windows to detect task-bar resize until we get an
   adequate event for it. (#8415, #8558)
-- Backends: SDL2, SDL3: viewports created with ImGuiViewportFlags_NoInputs
-  are passing SDL_WINDOW_TOOLTIP to SDL_CreateWindow(), which reduces issues
-  related to losing key down state on focus loss. (#8576)
 
 
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