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testoffscreen: Connect to draw signal

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This commit is contained in:
Benjamin Otte
2010-09-09 01:52:14 +02:00
parent 9cd83da6dc
commit e65b1cfd76
1 changed files with 15 additions and 14 deletions
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29
tests/testoffscreen.c
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@ -20,26 +20,29 @@ combo_changed_cb (GtkWidget *combo,
}
static gboolean
layout_expose_handler (GtkWidget *widget,
GdkEventExpose *event)
layout_draw_handler (GtkWidget *widget,
cairo_t *cr)
{
GtkLayout *layout = GTK_LAYOUT (widget);
GdkWindow *bin_window = gtk_layout_get_bin_window (layout);
cairo_t *cr;
GdkRectangle clip;
gint i,j;
gint i, j, x, y;
gint imin, imax, jmin, jmax;
if (event->window != bin_window)
if (!gtk_cairo_should_draw_window (cr, bin_window))
return FALSE;
imin = (event->area.x) / 10;
imax = (event->area.x + event->area.width + 9) / 10;
gdk_window_get_position (bin_window, &x, &y);
cairo_translate (cr, x, y);
jmin = (event->area.y) / 10;
jmax = (event->area.y + event->area.height + 9) / 10;
gdk_cairo_get_clip_rectangle (cr, &clip);
cr = gdk_cairo_create (bin_window);
imin = (clip.x) / 10;
imax = (clip.x + clip.width + 9) / 10;
jmin = (clip.y) / 10;
jmax = (clip.y + clip.height + 9) / 10;
for (i = imin; i < imax; i++)
for (j = jmin; j < jmax; j++)
@ -50,8 +53,6 @@ layout_expose_handler (GtkWidget *widget,
cairo_fill (cr);
cairo_destroy (cr);
return FALSE;
}
@ -103,8 +104,8 @@ create_layout (GtkWidget *vbox)
gtk_layout_set_vadjustment (layout, vadjustment);
gtk_widget_set_events (layout_widget, GDK_EXPOSURE_MASK);
g_signal_connect (layout, "expose_event",
G_CALLBACK (layout_expose_handler),
g_signal_connect (layout, "draw",
G_CALLBACK (layout_draw_handler),
NULL);
gtk_layout_set_size (layout, 1600, 128000);