gtk2/tests/testicontheme.c
Alexander Larsson 7690846c3f Add gtk_icon_info_load_icon_async
This lets you asynchronously load icons. We need this for gnome-shell
to replace its current non-threadsafe use of GtkIconTheme.

https://bugzilla.gnome.org/show_bug.cgi?id=693802
2013-02-14 22:10:09 +01:00

249 lines
5.8 KiB
C

/* testicontheme.c
* Copyright (C) 2002, 2003 Red Hat, Inc.
* Authors: Alexander Larsson, Owen Taylor
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
static void
usage (void)
{
g_print ("usage: test-icon-theme lookup <theme name> <icon name> [size]]\n"
" or\n"
"usage: test-icon-theme list <theme name> [context]\n"
" or\n"
"usage: test-icon-theme display <theme name> <icon name> [size]\n"
" or\n"
"usage: test-icon-theme contexts <theme name>\n"
);
}
static void
icon_loaded_cb (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GdkPixbuf *pixbuf;
GError *error;
error = NULL;
pixbuf = gtk_icon_info_load_icon_finish (GTK_ICON_INFO (source_object),
res, &error);
if (pixbuf == NULL)
{
g_print ("%s\n", error->message);
exit (1);
}
gtk_image_set_from_pixbuf (GTK_IMAGE (user_data), pixbuf);
g_object_unref (pixbuf);
}
int
main (int argc, char *argv[])
{
GtkIconTheme *icon_theme;
GtkIconInfo *icon_info;
GdkRectangle embedded_rect;
GdkPoint *attach_points;
int n_attach_points;
const gchar *display_name;
char *context;
char *themename;
GList *list;
int size = 48;
int i;
gtk_init (&argc, &argv);
if (argc < 3)
{
usage ();
return 1;
}
themename = argv[2];
icon_theme = gtk_icon_theme_new ();
gtk_icon_theme_set_custom_theme (icon_theme, themename);
if (strcmp (argv[1], "display") == 0)
{
GError *error;
GdkPixbuf *pixbuf;
GtkWidget *window, *image;
GtkIconSize size;
if (argc < 4)
{
g_object_unref (icon_theme);
usage ();
return 1;
}
if (argc >= 5)
size = atoi (argv[4]);
else
size = GTK_ICON_SIZE_BUTTON;
error = NULL;
pixbuf = gtk_icon_theme_load_icon (icon_theme, argv[3], size,
GTK_ICON_LOOKUP_USE_BUILTIN, &error);
if (!pixbuf)
{
g_print ("%s\n", error->message);
return 1;
}
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
image = gtk_image_new ();
gtk_image_set_from_pixbuf (GTK_IMAGE (image), pixbuf);
g_object_unref (pixbuf);
gtk_container_add (GTK_CONTAINER (window), image);
g_signal_connect (window, "delete-event",
G_CALLBACK (gtk_main_quit), window);
gtk_widget_show_all (window);
gtk_main ();
}
else if (strcmp (argv[1], "display-async") == 0)
{
GtkWidget *window, *image;
GtkIconSize size;
GtkIconInfo *info;
if (argc < 4)
{
g_object_unref (icon_theme);
usage ();
return 1;
}
if (argc >= 5)
size = atoi (argv[4]);
else
size = GTK_ICON_SIZE_BUTTON;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
image = gtk_image_new ();
gtk_container_add (GTK_CONTAINER (window), image);
g_signal_connect (window, "delete-event",
G_CALLBACK (gtk_main_quit), window);
gtk_widget_show_all (window);
info = gtk_icon_theme_lookup_icon (icon_theme, argv[3], size,
GTK_ICON_LOOKUP_USE_BUILTIN);
if (info == NULL)
{
g_print ("Icon not found\n");
return 1;
}
gtk_icon_info_load_icon_async (info,
NULL, icon_loaded_cb, image);
gtk_main ();
}
else if (strcmp (argv[1], "list") == 0)
{
if (argc >= 4)
context = argv[3];
else
context = NULL;
list = gtk_icon_theme_list_icons (icon_theme,
context);
while (list)
{
g_print ("%s\n", (char *)list->data);
list = list->next;
}
}
else if (strcmp (argv[1], "contexts") == 0)
{
list = gtk_icon_theme_list_contexts (icon_theme);
while (list)
{
g_print ("%s\n", (char *)list->data);
list = list->next;
}
}
else if (strcmp (argv[1], "lookup") == 0)
{
if (argc < 4)
{
g_object_unref (icon_theme);
usage ();
return 1;
}
if (argc >= 5)
size = atoi (argv[4]);
icon_info = gtk_icon_theme_lookup_icon (icon_theme, argv[3], size, GTK_ICON_LOOKUP_USE_BUILTIN);
g_print ("icon for %s at %dx%d is %s\n", argv[3], size, size,
icon_info ? (gtk_icon_info_get_builtin_pixbuf (icon_info) ? "<builtin>" : gtk_icon_info_get_filename (icon_info)) : "<none>");
if (icon_info)
{
if (gtk_icon_info_get_embedded_rect (icon_info, &embedded_rect))
{
g_print ("Embedded rect: %d,%d %dx%d\n",
embedded_rect.x, embedded_rect.y,
embedded_rect.width, embedded_rect.height);
}
if (gtk_icon_info_get_attach_points (icon_info, &attach_points, &n_attach_points))
{
g_print ("Attach Points: ");
for (i = 0; i < n_attach_points; i++)
g_print ("%d, %d; ",
attach_points[i].x,
attach_points[i].y);
g_free (attach_points);
g_print ("\n");
}
display_name = gtk_icon_info_get_display_name (icon_info);
if (display_name)
g_print ("Display name: %s\n", display_name);
gtk_icon_info_free (icon_info);
}
}
else
{
g_object_unref (icon_theme);
usage ();
return 1;
}
g_object_unref (icon_theme);
return 0;
}