/* testvolumebutton.c * Copyright (C) 2007 Red Hat, Inc. * * 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 . */ #include static void value_changed (GtkWidget *button, gdouble volume, gpointer user_data) { g_message ("volume changed to %f", volume); } static void response_cb (GtkDialog *dialog, gint arg1, gpointer user_data) { gtk_window_destroy (GTK_WINDOW (dialog)); } static gboolean show_error (gpointer data) { GtkWindow *window = (GtkWindow *) data; GtkWidget *dialog; g_message ("showing error"); dialog = gtk_message_dialog_new (window, GTK_DIALOG_MODAL, GTK_MESSAGE_INFO, GTK_BUTTONS_CLOSE, "This should have unbroken the grab"); g_signal_connect_object (G_OBJECT (dialog), "response", G_CALLBACK (response_cb), NULL, 0); gtk_widget_show (dialog); return G_SOURCE_REMOVE; } int main (int argc, char **argv) { GtkWidget *window; GtkWidget *button; GtkWidget *button2; GtkWidget *box; GtkWidget *vbox; gtk_init (); window = gtk_window_new (); gtk_window_set_default_size (GTK_WINDOW (window), 400, 300); button = gtk_volume_button_new (); button2 = gtk_volume_button_new (); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); g_signal_connect (G_OBJECT (button), "value-changed", G_CALLBACK (value_changed), NULL); gtk_window_set_child (GTK_WINDOW (window), vbox); gtk_container_add (GTK_CONTAINER (vbox), box); gtk_container_add (GTK_CONTAINER (box), button); gtk_container_add (GTK_CONTAINER (box), button2); gtk_widget_show (window); g_timeout_add (4000, (GSourceFunc) show_error, window); while (TRUE) g_main_context_iteration (NULL, TRUE); return 0; }