Fix event coordinate system in Viewport::_sub_windows_forward_input #59118
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Previously
Viewport::_sub_windows_forward_input
did not take into account, that the parent window-viewport could possibly be stretched. This patch changes this so that event coordinates are converted accordingly.The position of
p_event
is in the coordinate system of the window/viewport.The position of
ev
is in the coordinate system of the window/viewport with applied thefinal_transform
, which is the coordinate system, in which thePopupMenu
expects itsInputEvents
.This solves problems like this for stretched Window-Viewports and PopupMenu:
BugPopupMenu.mp4
fix #59573
Part of godotengine/godot-proposals#3866