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gtk-demo: Load icon from resource

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This commit is contained in:
Benjamin Otte
2013-02-01 14:46:13 +01:00
parent 0866772819
commit 75937d925c
2 changed files with 15 additions and 49 deletions
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9
demos/gtk-demo/demo.gresource.xml
View File

@ -1,5 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<gresources> <gresources>
<gresource prefix="/">
<file>cssview.css</file>
<file>gtk-logo-rgb.gif</file>
<file>reset.css</file>
</gresource>
<gresource prefix="/application"> <gresource prefix="/application">
<file preprocess="to-pixdata">gtk-logo-24.png</file> <file preprocess="to-pixdata">gtk-logo-24.png</file>
<file preprocess="to-pixdata">gtk-logo-48.png</file> <file preprocess="to-pixdata">gtk-logo-48.png</file>
@ -9,10 +14,6 @@
<gresource prefix="/appwindow"> <gresource prefix="/appwindow">
<file preprocess="to-pixdata">gtk-logo-rgb.gif</file> <file preprocess="to-pixdata">gtk-logo-rgb.gif</file>
</gresource> </gresource>
<gresource prefix="/">
<file>cssview.css</file>
<file>reset.css</file>
</gresource>
<gresource prefix="/builder"> <gresource prefix="/builder">
<file>demo.ui</file> <file>demo.ui</file>
</gresource> </gresource>

55
demos/gtk-demo/main.c
View File

@ -877,54 +877,19 @@ create_tree (void)
static void static void
setup_default_icon (void) setup_default_icon (void)
{ {
GdkPixbuf *pixbuf; GdkPixbuf *pixbuf, *transparent;
char *filename;
GError *err;
err = NULL; pixbuf = gdk_pixbuf_new_from_resource ("/gtk-logo-rgb.gif", NULL);
/* We load a resource, so we can guarantee that loading it is successful */
g_assert (pixbuf);
pixbuf = NULL; /* The gtk-logo-rgb icon has a white background, make it transparent */
filename = demo_find_file ("gtk-logo-rgb.gif", &err); transparent = gdk_pixbuf_add_alpha (pixbuf, TRUE, 0xff, 0xff, 0xff);
if (filename)
{
pixbuf = gdk_pixbuf_new_from_file (filename, &err);
g_free (filename);
}
/* Ignoring this error (passing NULL instead of &err above) gtk_window_set_default_icon (transparent);
* would probably be reasonable for most apps. We're just
* showing off. g_object_unref (pixbuf);
*/ g_object_unref (transparent);
if (err)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (NULL, 0,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Failed to read icon file: %s",
err->message);
g_error_free (err);
g_signal_connect (dialog, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
}
if (pixbuf)
{
GList *list;
GdkPixbuf *transparent;
/* The gtk-logo-rgb icon has a white background, make it transparent */
transparent = gdk_pixbuf_add_alpha (pixbuf, TRUE, 0xff, 0xff, 0xff);
list = NULL;
list = g_list_append (list, transparent);
gtk_window_set_default_icon_list (list);
g_list_free (list);
g_object_unref (pixbuf);
g_object_unref (transparent);
}
} }
int int