[GTK4] Fix custom drawing in GTK4 #2822
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This involves changing the mechanism with which we do custom drawing. Previously we tried to hook into GtkWidget's snapshot, but this required messing around with the vtable of the widget to call our handler instead. This commit changes to using GtkOverlays + GtkDrawingAreas to allow custom drawing on top of the GtkWidgets. Fixes eclipse-platform#2819
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This is draft because it is only the first step of #2819 (comment) - new commits/pushes as I get the other steps done. |
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Test Results 118 files ±0 118 suites ±0 19m 39s ⏱️ + 3m 24s Results for commit 99d94c0. ± Comparison against base commit a0d6ffc. This pull request skips 1 test. |
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This involves changing the mechanism with which we do custom drawing. Previously we tried to hook into GtkWidget's snapshot, but this required messing around with the vtable of the widget to call our handler instead.
This commit changes to using GtkOverlays + GtkDrawingAreas to allow custom drawing on top of the GtkWidgets.
Fixes #2819