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Replace expose-event handler with draw handler in GTK3 

In GTK3 the 'expose-event' signal has been replaced by a new
'draw' signal. The only difference is that the latter will
pre-create the cairo drawing context & set the clip mask.
Since the drawing code is already structured in a nice way,
we can just wire up the 'gd_draw_event' method to the 'draw'
signal in GTK3

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1361805646-6425-10-git-send-email-berrange@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Daniel P. Berrange 2013-02-25 15:20:42 +00:00 committed by Anthony Liguori
parent 1ed76b59c4
commit fe43bca85b
1 changed files with 7 additions and 0 deletions
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7
ui/gtk.c
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@ -433,6 +433,7 @@ static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque)
return TRUE;
}
#if !GTK_CHECK_VERSION(3, 0, 0)
static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
void *opaque)
{
@ -453,6 +454,7 @@ static gboolean gd_expose_event(GtkWidget *widget, GdkEventExpose *expose,
return ret;
}
#endif
static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion,
void *opaque)
@ -1100,8 +1102,13 @@ static void gd_connect_signals(GtkDisplayState *s)
g_signal_connect(s->window, "delete-event",
G_CALLBACK(gd_window_close), s);
#if GTK_CHECK_VERSION(3, 0, 0)
g_signal_connect(s->drawing_area, "draw",
G_CALLBACK(gd_draw_event), s);
#else
g_signal_connect(s->drawing_area, "expose-event",
G_CALLBACK(gd_expose_event), s);
#endif
g_signal_connect(s->drawing_area, "motion-notify-event",
G_CALLBACK(gd_motion_event), s);
g_signal_connect(s->drawing_area, "button-press-event",