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seat: Add a sanity check

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apis that takes multiple display-relative objects
should make sure that they are all from the same
display, or hard-to-track-down badness will happen
later on.

Add such a check for the surface and device arguments
of gdk_seat_grab. This helped in tracking down
critical warnings from combo boxes in the inspector.
This commit is contained in:
Matthias Clasen 2019-05-01 20:46:02 +00:00
parent d53981fdbb
commit 6f0b47681b
1 changed files with 1 additions and 0 deletions
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gdk/gdkseat.c
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@ -293,6 +293,7 @@ gdk_seat_grab (GdkSeat *seat,
g_return_val_if_fail (GDK_IS_SEAT (seat), GDK_GRAB_FAILED);
g_return_val_if_fail (GDK_IS_SURFACE (surface), GDK_GRAB_FAILED);
g_return_val_if_fail (gdk_surface_get_display (surface) == gdk_seat_get_display (seat), GDK_GRAB_FAILED);
capabilities &= GDK_SEAT_CAPABILITY_ALL;
g_return_val_if_fail (capabilities != GDK_SEAT_CAPABILITY_NONE, GDK_GRAB_FAILED);