applications/gnome-control-center
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Update for new GTK3 drawing APIs

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=631051
This commit is contained in:
William Jon McCann 2010-09-30 10:57:55 -04:00
parent 5117d2b2cb
commit 81065b9b74
4 changed files with 83 additions and 326 deletions
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79
typing-break/drw-utils.c
View file

@ -20,6 +20,7 @@
#include <config.h>
#include <gdk/gdk.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gtk/gtk.h>
#include "drw-utils.h"
@ -90,18 +91,15 @@ create_tile_pixbuf (GdkPixbuf *dest_pixbuf,
}
static gboolean
window_expose_event (GtkWidget *widget,
GdkEventExpose *event,
gpointer data)
window_draw_event (GtkWidget *widget,
cairo_t *context,
gpointer data)
{
cairo_t *context;
cairo_t *cr;
cairo_surface_t *surface;
int width;
int height;
context = gdk_cairo_create (gtk_widget_get_window (widget));
cairo_set_operator (context, CAIRO_OPERATOR_SOURCE);
gtk_window_get_size (GTK_WINDOW (widget), &width, &height);
@ -136,17 +134,17 @@ window_expose_event (GtkWidget *widget,
if (surface != NULL) {
cairo_surface_destroy (surface);
}
cairo_destroy (context);
return FALSE;
}
static void
set_pixmap_background (GtkWidget *window)
set_surface_background (GtkWidget *window)
{
GdkScreen *screen;
GdkPixbuf *tmp_pixbuf, *pixbuf, *tile_pixbuf;
GdkPixmap *pixmap;
GdkPixbuf *pixbuf, *tile_pixbuf;
cairo_surface_t *surface;
cairo_pattern_t *pattern;
GdkRectangle rect;
GdkColor color;
gint width, height;
@ -158,15 +156,6 @@ set_pixmap_background (GtkWidget *window)
width = gdk_screen_get_width (screen);
height = gdk_screen_get_height (screen);
tmp_pixbuf = gdk_pixbuf_get_from_drawable (NULL,
gdk_screen_get_root_window (screen),
gdk_screen_get_system_colormap (screen),
0,
0,
0,
0,
width, height);
pixbuf = gdk_pixbuf_new_from_file (IMAGEDIR "/ocean-stripes.png", NULL);
rect.x = 0;
@ -186,58 +175,50 @@ set_pixmap_background (GtkWidget *window)
g_object_unref (pixbuf);
gdk_pixbuf_composite (tile_pixbuf,
tmp_pixbuf,
0,
0,
width,
height,
0,
0,
1,
1,
GDK_INTERP_NEAREST,
225);
cr = gdk_cairo_create (gtk_widget_get_window (window));
surface = cairo_surface_create_similar (cairo_get_target (cr),
CAIRO_CONTENT_COLOR_ALPHA,
width,
height);
cairo_destroy (cr);
g_object_unref (tile_pixbuf);
pixmap = gdk_pixmap_new (gtk_widget_get_window (window),
width,
height,
-1);
cr = gdk_cairo_create (pixmap);
gdk_cairo_set_source_pixbuf (cr, tmp_pixbuf, 0, 0);
cr = cairo_create (surface);
gdk_cairo_set_source_pixbuf (cr, tile_pixbuf, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
g_object_unref (tile_pixbuf);
g_object_unref (tmp_pixbuf);
pattern = cairo_pattern_create_for_surface (surface);
cairo_surface_destroy (surface);
gdk_window_set_back_pixmap (gtk_widget_get_window (window), pixmap, FALSE);
g_object_unref (pixmap);
gdk_window_set_background_pattern (gtk_widget_get_window (window), pattern);
cairo_pattern_destroy (pattern);
}
void
drw_setup_background (GtkWidget *window)
{
GdkScreen *screen;
GdkColormap *colormap;
GdkVisual *visual;
gboolean is_composited;
screen = gtk_widget_get_screen (window);
colormap = gdk_screen_get_rgba_colormap (screen);
visual = gdk_screen_get_rgba_visual (screen);
if (visual == NULL) {
visual = gdk_screen_get_system_visual (screen);
}
if (colormap != NULL && gdk_screen_is_composited (screen)) {
gtk_widget_set_colormap (GTK_WIDGET (window), colormap);
if (visual != NULL && gdk_screen_is_composited (screen)) {
gtk_widget_set_visual (GTK_WIDGET (window), visual);
is_composited = TRUE;
} else {
is_composited = FALSE;
}
if (is_composited) {
g_signal_connect (window, "expose-event", G_CALLBACK (window_expose_event), window);
g_signal_connect (window, "draw", G_CALLBACK (window_draw_event), window);
} else {
set_pixmap_background (window);
set_surface_background (window);
}
}