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constraints: Make zero sized windows be placed in the correct monitor

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Wayland windows can be zero sized until clients attach a buffer, but
our rectangle code doesn't deal with this case well, in particular,
meta_screen_get_monitor_for_rect() might end up choosing the wrong
monitor for a zero sized rectangle since
meta_rectangle_contains_rect() considers a zero sized rectangle at the
right or bottom edges of another rectangle (the monitor's) to be
contained there.

Since out size limits constraint will enforce a minimum size of 1x1,
we might as well enforce that when setting up the constraint info so
that the correct monitor gets chosen and the single monitor constraint
doesn't move these windows to the wrong one.

https://bugzilla.gnome.org/show_bug.cgi?id=772525
This commit is contained in:
Rui Matos 2016-11-11 17:46:49 +01:00
parent bb2e8ff09a
commit 8f5a0ec83d
1 changed files with 5 additions and 0 deletions
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5
src/core/constraints.c
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@ -340,6 +340,11 @@ setup_constraint_info (ConstraintInfo *info,
info->orig = *orig;
info->current = *new;
if (info->current.width < 1)
info->current.width = 1;
if (info->current.height < 1)
info->current.height = 1;
if (flags & META_MOVE_RESIZE_MOVE_ACTION && flags & META_MOVE_RESIZE_RESIZE_ACTION)
info->action_type = ACTION_MOVE_AND_RESIZE;
else if (flags & META_MOVE_RESIZE_RESIZE_ACTION)