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LibWeb+UI: Add an explicit IPC to handle mouse leave events

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The faux position we created here is adjusted by the device pixel ratio
later on, which would invoke integer overflow on screens with a DPR
greater than 1.

Instead of creating special data for a mouse move event, let's just add
an explicit leave event handler.
This commit is contained in:
Timothy Flynn
2025-07-28 12:57:31 -04:00
committed by Andreas Kling
parent 8600925713
commit 67cc02ab59
Notes: github-actions[bot] 2025-07-28 19:27:37 +00:00 
Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/67cc02ab593
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5628
11 changed files with 66 additions and 7 deletions
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2
Libraries/LibWeb/HTML/EventLoop/EventLoop.cpp
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@@ -279,6 +279,8 @@ void EventLoop::process_input_events() const
return page.handle_mouseup(mouse_event.position, mouse_event.screen_position, mouse_event.button, mouse_event.buttons, mouse_event.modifiers);
case MouseEvent::Type::MouseMove:
return page.handle_mousemove(mouse_event.position, mouse_event.screen_position, mouse_event.buttons, mouse_event.modifiers);
case MouseEvent::Type::MouseLeave:
return page.handle_mouseleave();
case MouseEvent::Type::MouseWheel:
return page.handle_mousewheel(mouse_event.position, mouse_event.screen_position, mouse_event.button, mouse_event.buttons, mouse_event.modifiers, mouse_event.wheel_delta_x, mouse_event.wheel_delta_y);
case MouseEvent::Type::DoubleClick: