/* testappchooserbutton.c
* Copyright ( C ) 2010 Red Hat , Inc .
* Authors : Cosimo Cecchi
*
* 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 "config.h"
#include <stdlib.h>
#include <gtk/gtk.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
#define CUSTOM_ITEM "custom-item"
static GtkWidget *toplevel, *button, *box;
static GtkWidget *sel_image, *sel_name;
static void
combo_changed_cb (GtkAppChooserButton *chooser_button,
gpointer user_data)
{
GAppInfo *app_info;
app_info = gtk_app_chooser_get_app_info (GTK_APP_CHOOSER (chooser_button));
if (app_info == NULL)
return ;
gtk_image_set_from_gicon (GTK_IMAGE (sel_image), g_app_info_get_icon (app_info));
gtk_label_set_text (GTK_LABEL (sel_name), g_app_info_get_display_name (app_info));
g_object_unref (app_info);
}
static void
special_item_activated_cb (GtkAppChooserButton *b,
const char *item_name,
gpointer user_data)
{
gtk_image_set_from_gicon (GTK_IMAGE (sel_image), g_themed_icon_new ("face-smile" ));
gtk_label_set_text (GTK_LABEL (sel_name), "Special Item" );
}
static void
action_cb (GtkAppChooserButton *b,
const char *item_name,
gpointer user_data)
{
g_print ("Activated custom item %s\n" , item_name);
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE ;
g_main_context_wakeup (NULL);
}
int
main (int argc,
char **argv)
{
GtkWidget *w;
gboolean done = FALSE ;
gtk_init ();
toplevel = gtk_window_new ();
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6 );
gtk_widget_set_margin_top (box, 12 );
gtk_widget_set_margin_bottom (box, 12 );
gtk_widget_set_margin_start (box, 12 );
gtk_widget_set_margin_end (box, 12 );
gtk_window_set_child (GTK_WINDOW (toplevel), box);
button = gtk_app_chooser_button_new ("image/jpeg" );
gtk_widget_set_vexpand (button, TRUE );
gtk_box_append (GTK_BOX (box), button);
g_signal_connect (button, "changed" ,
G_CALLBACK (combo_changed_cb), NULL);
w = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (w), "<b>Selected app info</b>" );
gtk_widget_set_vexpand (w, TRUE );
gtk_box_append (GTK_BOX (box), w);
w = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6 );
gtk_widget_set_vexpand (w, TRUE );
gtk_box_append (GTK_BOX (box), w);
sel_image = gtk_image_new ();
gtk_widget_set_hexpand (sel_image, TRUE );
gtk_box_append (GTK_BOX (w), sel_image);
sel_name = gtk_label_new (NULL);
gtk_widget_set_hexpand (sel_name, TRUE );
gtk_box_append (GTK_BOX (w), sel_name);
gtk_app_chooser_button_set_heading (GTK_APP_CHOOSER_BUTTON (button), "Choose one, <i>not</i> two" );
gtk_app_chooser_button_append_separator (GTK_APP_CHOOSER_BUTTON (button));
gtk_app_chooser_button_append_custom_item (GTK_APP_CHOOSER_BUTTON (button),
CUSTOM_ITEM,
"Hey, I'm special!" ,
g_themed_icon_new ("face-smile" ));
/* this one will trigger a warning, and will not be added */
gtk_app_chooser_button_append_custom_item (GTK_APP_CHOOSER_BUTTON (button),
CUSTOM_ITEM,
"Hey, I'm fake!" ,
g_themed_icon_new ("face-evil" ));
gtk_app_chooser_button_set_show_dialog_item (GTK_APP_CHOOSER_BUTTON (button),
TRUE );
gtk_app_chooser_button_set_show_default_item (GTK_APP_CHOOSER_BUTTON (button),
TRUE );
/* connect to the detailed signal */
g_signal_connect (button, "custom-item-activated::" CUSTOM_ITEM,
G_CALLBACK (special_item_activated_cb), NULL);
/* connect to the generic signal too */
g_signal_connect (button, "custom-item-activated" ,
G_CALLBACK (action_cb), NULL);
/* test refresh on a combo */
gtk_app_chooser_refresh (GTK_APP_CHOOSER (button));
#if 0
gtk_app_chooser_button_set_active_custom_item (GTK_APP_CHOOSER_BUTTON (button),
CUSTOM_ITEM);
#endif
gtk_window_present (GTK_WINDOW (toplevel));
g_signal_connect (toplevel, "destroy" , G_CALLBACK (quit_cb), &done);
while (!done)
g_main_context_iteration (NULL, TRUE );
return EXIT_SUCCESS;
}
Messung V0.5 in Prozent C=98 H=90 G=94
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-07-02)
¤
*© Formatika GbR, Deutschland