Fix deferred viewport repaint requests on Windows - #8467
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Added viewport_window_kind function to determine the type of viewport window based on window_id.
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Preview available at https://egui-pr-preview.github.io/pr/8467-p120 View snapshot changes at kitdiff |
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This fixes an issue where deferred viewports may stop repainting after the root viewport receives focus on Windows.
When Windows does not deliver
RedrawRequestedevents, expired repaint requests for deferred viewports are painted directly.Direct painting uses a per-event-loop time budget rather than limiting processing to one viewport, allowing multiple deferred viewports to update while still yielding to root-window event processing.
deferred viewportdoes not redraw when clickingROOT viewport(Windows) #8351