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backends: Trigger MetaCursorTracker::cursor-changed on texture changes

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So we allow gnome-shell's magnifier to update fake cursors while it's
turned on.

https://bugzilla.gnome.org/show_bug.cgi?id=754806
This commit is contained in:
Carlos Garnacho 2017-11-16 19:26:41 +01:00
parent bcbcd6a68c
commit f45df4265d
1 changed files with 12 additions and 0 deletions
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12
src/backends/meta-cursor-tracker.c
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@ -53,6 +53,13 @@ enum {
static guint signals[LAST_SIGNAL];
static void
cursor_texture_updated (MetaCursorSprite *cursor,
MetaCursorTracker *tracker)
{
g_signal_emit (tracker, signals[CURSOR_CHANGED], 0);
}
static gboolean
update_displayed_cursor (MetaCursorTracker *tracker)
{
@ -71,7 +78,12 @@ update_displayed_cursor (MetaCursorTracker *tracker)
if (tracker->displayed_cursor == cursor)
return FALSE;
g_signal_handlers_disconnect_by_func (tracker->displayed_cursor,
cursor_texture_updated,
tracker);
g_set_object (&tracker->displayed_cursor, cursor);
g_signal_connect (tracker->displayed_cursor, "texture-changed",
G_CALLBACK (cursor_texture_updated), tracker);
return TRUE;
}