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cursor-renderer: do not update cursor if it is out of monitor

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if the cursor coordinates are out of monitor, just don't render the
cursor

https://bugzilla.gnome.org/show_bug.cgi?id=756698
This commit is contained in:
Marek Chalupa 2015-11-09 15:51:02 +01:00 committed by Rui Matos
parent be5643cee7
commit 4bebc5e5fa
1 changed files with 15 additions and 0 deletions
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15
src/backends/meta-cursor-renderer.c
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@ -27,6 +27,8 @@
#include "meta-cursor-renderer.h"
#include <meta/meta-backend.h>
#include <backends/meta-backend-private.h>
#include <backends/meta-monitor-manager-private.h>
#include <meta/util.h>
#include <cogl/cogl.h>
@ -116,6 +118,14 @@ meta_cursor_renderer_calculate_rect (MetaCursorRenderer *renderer,
};
}
static gboolean
is_cursor_in_monitors_area (int x, int y)
{
MetaMonitorManager *monitor_manager = meta_backend_get_monitor_manager (meta_get_backend ());
return meta_monitor_manager_get_monitor_at_point (monitor_manager,
(gfloat) x, (gfloat) y) >= 0;
}
static void
update_cursor (MetaCursorRenderer *renderer,
MetaCursorSprite *cursor_sprite)
@ -124,6 +134,11 @@ update_cursor (MetaCursorRenderer *renderer,
gboolean handled_by_backend;
gboolean should_redraw = FALSE;
/* do not render cursor if it is not on any monitor. Such situation
* can occur e. g. after monitor hot-plug */
if (!is_cursor_in_monitors_area (priv->current_x, priv->current_y))
return;
if (cursor_sprite)
meta_cursor_sprite_prepare_at (cursor_sprite,
priv->current_x,