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tests: Use a drawing area in motion-compression example

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This commit is contained in:
Benjamin Otte 2016-11-18 15:09:36 +01:00
parent e950d0cd8b
commit fe23c3165e
1 changed files with 10 additions and 4 deletions
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14
tests/motion-compression.c
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@ -19,8 +19,11 @@ on_motion_notify (GtkWidget *window,
}
static void
on_draw (GtkWidget *window,
cairo_t *cr)
on_draw (GtkDrawingArea *da,
cairo_t *cr,
int width,
int height,
gpointer data)
{
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
@ -38,6 +41,7 @@ main (int argc, char **argv)
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *scale;
GtkWidget *da;
gtk_init (&argc, &argv);
@ -56,10 +60,12 @@ main (int argc, char **argv)
gtk_widget_set_halign (label, GTK_ALIGN_CENTER);
gtk_box_pack_end (GTK_BOX (vbox), label, FALSE, FALSE);
da = gtk_drawing_area_new ();
gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (da), on_draw, NULL, NULL);
gtk_box_pack_end (GTK_BOX (vbox), da, TRUE, TRUE);
g_signal_connect (window, "motion-notify-event",
G_CALLBACK (on_motion_notify), NULL);
g_signal_connect (window, "draw",
G_CALLBACK (on_draw), NULL);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_main_quit), NULL);