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gtk: Stop setting GDK_EXPOSURE_MASK on random widgets

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These days exposure happens only on the native windows (generally the
toplevel window) and is propagated down recursively. The expose event
is only useful for backwards compat, and in fact, for double buffered
widgets we totally ignore the event (and non-double buffering breaks
on wayland).

So, by not setting the mask we avoid emitting these events and then
later ignoring them.

We still keep it on eventbox, fixed and layout as these are used
in weird ways that want backwards compat.
This commit is contained in:
Alexander Larsson
2015-09-14 10:56:13 +02:00
parent eafedfbaf8
commit d5f1754981
24 changed files with 26 additions and 38 deletions
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2
gtk/gtktoolpalette.c
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@ -728,7 +728,7 @@ gtk_tool_palette_realize (GtkWidget *widget)
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.event_mask = gtk_widget_get_events (widget)
| GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK
| GDK_VISIBILITY_NOTIFY_MASK
| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
| GDK_BUTTON_MOTION_MASK
| GDK_SCROLL_MASK | GDK_SMOOTH_SCROLL_MASK