1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
3 * Copyright (C) 2002 Anders Carlsson <andersca@gnu.org>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
23 #include "eggtrayicon.h"
25 #define SYSTEM_TRAY_REQUEST_DOCK 0
26 #define SYSTEM_TRAY_BEGIN_MESSAGE 1
27 #define SYSTEM_TRAY_CANCEL_MESSAGE 2
29 static GtkPlugClass *parent_class = NULL;
31 static void egg_tray_icon_init (EggTrayIcon *icon);
32 static void egg_tray_icon_class_init (EggTrayIconClass *klass);
34 static void egg_tray_icon_unrealize (GtkWidget *widget);
36 static void egg_tray_icon_update_manager_window (EggTrayIcon *icon);
38 Window gtk_plug_get_id(GtkPlug *widget)
40 return (guint32) GDK_WINDOW_XWINDOW(GTK_WIDGET(widget)->window);
44 egg_tray_icon_get_type (void)
46 static GtkType our_type = 0;
50 GtkTypeInfo our_info =
54 sizeof (EggTrayIconClass),
55 (GtkClassInitFunc) egg_tray_icon_class_init,
56 (GtkObjectInitFunc) egg_tray_icon_init,
57 NULL, /* class_finalize */
58 NULL, /* class_data */
62 our_type = gtk_type_unique (gtk_plug_get_type(), &our_info);
69 egg_tray_icon_init (EggTrayIcon *icon)
73 gtk_widget_add_events (GTK_WIDGET (icon), GDK_PROPERTY_CHANGE_MASK);
77 egg_tray_icon_class_init (EggTrayIconClass *klass)
79 GtkWidgetClass *widget_class = (GtkWidgetClass *)klass;
81 parent_class = gtk_type_class(gtk_plug_get_type());
83 widget_class->unrealize = egg_tray_icon_unrealize;
86 static GdkFilterReturn
87 egg_tray_icon_manager_filter (GdkXEvent *xevent, GdkEvent *event, gpointer user_data)
89 EggTrayIcon *icon = user_data;
90 XEvent *xev = (XEvent *)xevent;
92 if (xev->xany.type == ClientMessage &&
93 xev->xclient.message_type == icon->manager_atom &&
94 xev->xclient.data.l[1] == icon->selection_atom)
96 egg_tray_icon_update_manager_window (icon);
98 else if (xev->xany.window == icon->manager_window)
100 if (xev->xany.type == DestroyNotify)
102 egg_tray_icon_update_manager_window (icon);
106 return GDK_FILTER_CONTINUE;
110 egg_tray_icon_unrealize (GtkWidget *widget)
112 EggTrayIcon *icon = EGG_TRAY_ICON (widget);
113 GdkWindow *root_window;
115 if (icon->manager_window != None)
119 #if HAVE_GTK_MULTIHEAD
120 gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (widget),
121 icon->manager_window);
123 gdkwin = gdk_window_lookup (icon->manager_window);
126 gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon);
129 #if HAVE_GTK_MULTIHEAD
130 root_window = gdk_screen_get_root_window (gtk_widget_get_screen (widget));
132 root_window = gdk_window_lookup (GDK_ROOT_WINDOW());
135 gdk_window_remove_filter (root_window, egg_tray_icon_manager_filter, icon);
137 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
138 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
142 egg_tray_icon_send_manager_message (EggTrayIcon *icon,
149 XClientMessageEvent ev;
152 ev.type = ClientMessage;
154 ev.message_type = icon->system_tray_opcode_atom;
156 ev.data.l[0] = gdk_time_get(); /* gdk_x11_get_server_time (GTK_WIDGET (icon)->window); */
157 ev.data.l[1] = message;
158 ev.data.l[2] = data1;
159 ev.data.l[3] = data2;
160 ev.data.l[4] = data3;
162 #if HAVE_GTK_MULTIHEAD
163 display = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
165 display = gdk_display;
168 gdk_error_trap_push ();
170 icon->manager_window, False, NoEventMask, (XEvent *)&ev);
171 XSync (display, False);
172 gdk_error_trap_pop ();
176 egg_tray_icon_send_dock_request (EggTrayIcon *icon)
178 egg_tray_icon_send_manager_message (icon,
179 SYSTEM_TRAY_REQUEST_DOCK,
180 icon->manager_window,
181 gtk_plug_get_id (GTK_PLUG (icon)),
186 egg_tray_icon_update_manager_window (EggTrayIcon *icon)
190 #if HAVE_GTK_MULTIHEAD
191 xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
193 xdisplay = gdk_display;
196 if (icon->manager_window != None)
200 #if HAVE_GTK_MULTIHEAD
201 gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)),
202 icon->manager_window);
204 gdkwin = gdk_window_lookup (icon->manager_window);
207 gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon);
210 XGrabServer (xdisplay);
212 icon->manager_window = XGetSelectionOwner (xdisplay,
213 icon->selection_atom);
215 if (icon->manager_window != None)
216 XSelectInput (xdisplay,
217 icon->manager_window, StructureNotifyMask);
219 XUngrabServer (xdisplay);
222 if (icon->manager_window != None)
226 #if HAVE_GTK_MULTIHEAD
227 gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)),
228 icon->manager_window);
230 gdkwin = gdk_window_lookup (icon->manager_window);
233 gdk_window_add_filter (gdkwin, egg_tray_icon_manager_filter, icon);
235 /* Send a request that we'd like to dock */
236 egg_tray_icon_send_dock_request (icon);
241 egg_tray_icon_new_for_xscreen (Screen *xscreen, const char *name)
245 GdkWindow *root_window;
247 g_return_val_if_fail (xscreen != NULL, NULL);
249 icon = gtk_type_new (EGG_TYPE_TRAY_ICON);
250 gtk_window_set_title (GTK_WINDOW (icon), name);
252 #if HAVE_GTK_MULTIHEAD
253 /* FIXME: this code does not compile, screen is undefined. Now try
254 * getting the GdkScreen from xscreen (:. Dunno how to solve this
255 * (there is prolly some easy way I cant think of right now)
257 gtk_plug_construct_for_display (GTK_PLUG (icon),
258 gdk_screen_get_display (screen), 0);
260 gtk_plug_construct (GTK_PLUG (icon), 0);
263 gtk_widget_set_events(GTK_WIDGET(icon), GDK_ALL_EVENTS_MASK);
264 gtk_widget_realize (GTK_WIDGET (icon));
266 /* Now see if there's a manager window around */
267 g_snprintf (buffer, sizeof (buffer),
268 "_NET_SYSTEM_TRAY_S%d",
269 XScreenNumberOfScreen (xscreen));
271 icon->selection_atom = XInternAtom (DisplayOfScreen (xscreen),
274 icon->manager_atom = XInternAtom (DisplayOfScreen (xscreen),
277 icon->system_tray_opcode_atom = XInternAtom (DisplayOfScreen (xscreen),
278 "_NET_SYSTEM_TRAY_OPCODE", False);
280 egg_tray_icon_update_manager_window (icon);
282 #if HAVE_GTK_MULTIHEAD
283 root_window = gdk_screen_get_root_window (gtk_widget_get_screen (screen));
285 root_window = gdk_window_lookup (GDK_ROOT_WINDOW ());
288 /* Add a root window filter so that we get changes on MANAGER */
289 gdk_window_add_filter (root_window,
290 egg_tray_icon_manager_filter, icon);
295 #if HAVE_GTK_MULTIHEAD
297 egg_tray_icon_new_for_screen (GdkScreen *screen, const char *name)
302 g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
304 return egg_tray_icon_new_for_xscreen (GDK_SCREEN_XSCREEN (screen), name);
309 egg_tray_icon_new (const gchar *name)
311 return egg_tray_icon_new_for_xscreen (DefaultScreenOfDisplay (gdk_display), name);
315 egg_tray_icon_send_message (EggTrayIcon *icon,
317 const gchar *message,
322 g_return_val_if_fail (EGG_IS_TRAY_ICON (icon), 0);
323 g_return_val_if_fail (timeout >= 0, 0);
324 g_return_val_if_fail (message != NULL, 0);
326 if (icon->manager_window == None)
330 len = strlen (message);
332 stamp = icon->stamp++;
334 /* Get ready to send the message */
335 egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_BEGIN_MESSAGE,
336 (Window)gtk_plug_get_id (GTK_PLUG (icon)),
337 timeout, len, stamp);
339 /* Now to send the actual message */
340 gdk_error_trap_push ();
343 XClientMessageEvent ev;
346 #if HAVE_GTK_MULTIHEAD
347 xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
349 xdisplay = gdk_display;
352 ev.type = ClientMessage;
353 ev.window = (Window)gtk_plug_get_id (GTK_PLUG (icon));
355 ev.message_type = XInternAtom (xdisplay,
356 "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
359 memcpy (&ev.data, message, 20);
365 memcpy (&ev.data, message, len);
369 XSendEvent (xdisplay,
370 icon->manager_window, False, StructureNotifyMask, (XEvent *)&ev);
371 XSync (xdisplay, False);
373 gdk_error_trap_pop ();
379 egg_tray_icon_cancel_message (EggTrayIcon *icon,
382 g_return_if_fail (EGG_IS_TRAY_ICON (icon));
383 g_return_if_fail (id > 0);
385 egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_CANCEL_MESSAGE,
386 (Window)gtk_plug_get_id (GTK_PLUG (icon)),