hi, i write a button which pops up a popupmenu after clicked,
and when i select an item of the popupmen such warring appeared, and why?
(taskmanager:4638): Gtk-CRITICAL **: gtk_widget_get_display: assertion
`GTK_IS_WIDGET (widget)' failed
(taskmanager:4638): Gdk-CRITICAL **: gdk_display_sync: assertion
`GDK_IS_DISPLAY (display)' failed
(taskmanager:4638): Gtk-CRITICAL **: gtk_widget_activate: assertion
`GTK_IS_WIDGET (widget)' failed
my functions:
static void
om_kill_task_cb(GtkMenuItem *item, gpointer *user_data)
{
g_debug ("call kill task function");
}
void
om_init_popup_menu (GtkWidget *my_widget, GdkEventButton *event)
{
GtkWidget *menu;
GtkMenuItem *item;
int button, event_time;
menu = gtk_menu_new ();
gtk_widget_show (menu);
g_signal_connect (menu, "deactivate", G_CALLBACK (gtk_widget_destroy), NULL);
/* ... add menu items ... */
item = gtk_menu_item_new_with_label ("Close and switch");
gtk_widget_show (item);
gtk_menu_prepend (menu, item);
g_signal_connect (item, "activate", G_CALLBACK (om_kill_task_cb), NULL);
item = gtk_menu_item_new_with_label ("Kill the Application");
gtk_widget_show (item);
gtk_menu_prepend (menu, item);
g_signal_connect (item, "activate", G_CALLBACK (om_kill_task_cb), NULL);
if (event)
{
button = event->button;
event_time = event->time;
}
else
{
button = 0;
event_time = gtk_get_current_event_time ();
}
gtk_menu_popup (menu, NULL, NULL, NULL, NULL,
button, event_time);
}
sun zhiyong
2006-11-29
[EMAIL PROTECTED]
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