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-rw-r--r--src/ui/tile-preview.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/src/ui/tile-preview.c b/src/ui/tile-preview.c
index e782e6a5..75421f30 100644
--- a/src/ui/tile-preview.c
+++ b/src/ui/tile-preview.c
@@ -44,16 +44,23 @@ struct _MetaTilePreview {
};
static gboolean
+#if GTK_CHECK_VERSION (3, 0, 0)
+meta_tile_preview_expose (GtkWidget *widget,
+ cairo_t *cr,
+#else
meta_tile_preview_expose (GtkWidget *widget,
GdkEventExpose *event,
gpointer user_data)
+#endif
{
MetaTilePreview *preview = user_data;
+#if !GTK_CHECK_VERSION (3, 0, 0)
GdkWindow *window;
cairo_t *cr;
window = gtk_widget_get_window (widget);
cr = gdk_cairo_create (window);
+#endif
cairo_set_line_width (cr, 1.0);
@@ -92,7 +99,9 @@ meta_tile_preview_expose (GtkWidget *widget,
preview->tile_rect.height - 1);
cairo_stroke (cr);
+#if !GTK_CHECK_VERSION (3, 0, 0)
cairo_destroy (cr);
+#endif
return FALSE;
}
@@ -133,11 +142,15 @@ meta_tile_preview_new (int screen_number,
gboolean composited)
{
MetaTilePreview *preview;
+#if !GTK_CHECK_VERSION (3, 0, 0)
GdkColormap *rgba_colormap;
+#endif
GdkScreen *screen;
screen = gdk_display_get_screen (gdk_display_get_default (), screen_number);
+#if !GTK_CHECK_VERSION (3, 0, 0)
rgba_colormap = gdk_screen_get_rgba_colormap (screen);
+#endif
preview = g_new (MetaTilePreview, 1);
@@ -152,11 +165,20 @@ meta_tile_preview_new (int screen_number,
preview->tile_rect.x = preview->tile_rect.y = 0;
preview->tile_rect.width = preview->tile_rect.height = 0;
+#if GTK_CHECK_VERSION (3, 0, 0)
+ preview->has_alpha = composited && (gdk_screen_get_rgba_visual (screen) != NULL);
+#else
preview->has_alpha = rgba_colormap && composited;
+#endif
if (preview->has_alpha)
{
+#if GTK_CHECK_VERSION (3, 0, 0)
+ gtk_window_set_visual (GTK_WINDOW (preview->preview_window),
+ gdk_screen_get_rgba_visual (screen));
+#else
gtk_widget_set_colormap (preview->preview_window, rgba_colormap);
+#endif
g_signal_connect (preview->preview_window, "style-set",
G_CALLBACK (on_preview_window_style_set), preview);
@@ -166,8 +188,13 @@ meta_tile_preview_new (int screen_number,
gdk_window_set_back_pixmap (gtk_widget_get_window (preview->preview_window),
NULL, FALSE);
+#if GTK_CHECK_VERSION (3, 0, 0)
+ g_signal_connect (preview->preview_window, "draw",
+ G_CALLBACK (meta_tile_preview_draw), preview);
+#else
g_signal_connect (preview->preview_window, "expose-event",
G_CALLBACK (meta_tile_preview_expose), preview);
+#endif
return preview;
}
@@ -248,4 +275,4 @@ void
meta_tile_preview_hide (MetaTilePreview *preview)
{
gtk_widget_hide (preview->preview_window);
-} \ No newline at end of file
+}