tests/testvolumebutton.c

   1 /* testvolumebutton.c
   2  * Copyright (C) 2007  Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include <gtk/gtk.h>
  21
  22 static void
  23 value_changed (GtkWidget *button,
  24                gdouble volume,
  25                gpointer user_data)
  26 {
  27         g_message ("volume changed to %f", volume);
  28 }
  29
  30 static void
  31 response_cb (GtkDialog *dialog,
  32              gint       arg1,
  33              gpointer   user_data)
  34 {
  35         gtk_widget_destroy (GTK_WIDGET (dialog));
  36 }
  37
  38 static gboolean
  39 show_error (gpointer data)
  40 {
  41         GtkWindow *window = (GtkWindow *) data;
  42         GtkWidget *dialog;
  43
  44         g_message ("showing error");
  45
  46         dialog = gtk_message_dialog_new (window,
  47                                          GTK_DIALOG_MODAL,
  48                                          GTK_MESSAGE_INFO,
  49                                          GTK_BUTTONS_CLOSE,
  50                                          "This should have unbroken the grab");
  51         g_signal_connect (G_OBJECT (dialog),
  52                           "response",
  53                           G_CALLBACK (response_cb), NULL);
  54         gtk_widget_show (dialog);
  55
  56         return FALSE;
  57 }
  58
  59 int main (int argc, char **argv)
  60 {
  61         GtkWidget *window;
  62         GtkWidget *button;
  63         GtkWidget *button2;
  64         GtkWidget *box;
  65
  66         gtk_init (&argc, &argv);
  67
  68         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  69         button = gtk_volume_button_new ();
  70         button2 = gtk_volume_button_new ();
  71         box = gtk_hbox_new (FALSE, 0);
  72
  73         g_signal_connect (G_OBJECT (button),
  74                           "value-changed",
  75                           G_CALLBACK (value_changed), NULL);
  76         gtk_container_add (GTK_CONTAINER (window), box);
  77         gtk_container_add (GTK_CONTAINER (box), button);
  78         gtk_container_add (GTK_CONTAINER (box), button2);
  79
  80         gtk_widget_show_all (window);
  81         gtk_button_clicked (GTK_BUTTON (button));
  82         g_timeout_add (4000, (GSourceFunc) show_error, window);
  83
  84         gtk_main ();
  85
  86         return 0;
  87 }
  88