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 GtkPlugXEmbedClass *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_update_manager_window (EggTrayIcon *icon);
37 egg_tray_icon_get_type (void)
39 static GtkType our_type = 0;
43 static const GtkTypeInfo our_info =
47 sizeof (EggTrayIconClass),
48 (GtkClassInitFunc) egg_tray_icon_class_init,
49 (GtkObjectInitFunc) egg_tray_icon_init,
53 our_type = gtk_type_unique (GTK_TYPE_PLUG_XEMBED, &our_info);
60 egg_tray_icon_init (EggTrayIcon *icon)
64 gtk_widget_add_events (GTK_WIDGET (icon), GDK_PROPERTY_CHANGE_MASK);
68 egg_tray_icon_class_init (EggTrayIconClass *klass)
70 /* parent_class = g_type_class_peek_parent (klass); */
71 parent_class = gtk_type_class(gtk_plug_xembed_get_type());
74 static GdkFilterReturn
75 egg_tray_icon_manager_filter (GdkXEvent *xevent, GdkEvent *event, gpointer user_data)
77 EggTrayIcon *icon = user_data;
78 XEvent *xev = (XEvent *)xevent;
80 if (xev->xany.type == ClientMessage &&
81 xev->xclient.message_type == icon->manager_atom &&
82 xev->xclient.data.l[1] == icon->selection_atom)
84 egg_tray_icon_update_manager_window (icon);
86 else if (xev->xany.window == icon->manager_window)
88 if (xev->xany.type == DestroyNotify)
90 egg_tray_icon_update_manager_window (icon);
94 return GDK_FILTER_CONTINUE;
98 egg_tray_icon_send_manager_message (EggTrayIcon *icon,
105 XClientMessageEvent ev;
109 g_print("Sending message %lx to %ld. data=(%ld, %ld, %ld)\n", message, window,
110 data1, data2, data3);
113 ev.type = ClientMessage;
115 ev.message_type = icon->system_tray_opcode_atom;
117 ev.data.l[0] = GDK_CURRENT_TIME; /* gdk_x11_get_server_time (GTK_WIDGET (icon)->window); */
118 ev.data.l[1] = message;
119 ev.data.l[2] = data1;
120 ev.data.l[3] = data2;
121 ev.data.l[4] = data3;
123 #if HAVE_GTK_MULTIHEAD
124 display = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
126 display = gdk_display;
129 gdk_error_trap_push ();
131 icon->manager_window, False, NoEventMask, (XEvent *)&ev);
132 XSync (display, False);
133 gdk_error_trap_pop ();
137 egg_tray_icon_send_dock_request (EggTrayIcon *icon)
139 egg_tray_icon_send_manager_message (icon,
140 SYSTEM_TRAY_REQUEST_DOCK,
141 icon->manager_window,
142 gtk_plug_xembed_get_id (GTK_PLUG_XEMBED (icon)),
147 egg_tray_icon_update_manager_window (EggTrayIcon *icon)
151 #if HAVE_GTK_MULTIHEAD
152 xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
154 xdisplay = gdk_display;
157 if (icon->manager_window != None)
161 #if HAVE_GTK_MULTIHEAD
162 gdkwin = gdk_window_lookup_for_display (display,
163 icon->manager_window);
165 gdkwin = gdk_window_lookup (icon->manager_window);
168 gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon);
171 XGrabServer (xdisplay);
173 icon->manager_window = XGetSelectionOwner (xdisplay,
174 icon->selection_atom);
176 if (icon->manager_window != None)
177 XSelectInput (xdisplay,
178 icon->manager_window, StructureNotifyMask);
180 XUngrabServer (xdisplay);
183 if (icon->manager_window != None)
187 #if HAVE_GTK_MULTIHEAD
188 gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)),
189 icon->manager_window);
191 gdkwin = gdk_window_lookup (icon->manager_window);
194 gdk_window_add_filter (gdkwin, egg_tray_icon_manager_filter, icon);
196 /* Send a request that we'd like to dock */
197 egg_tray_icon_send_dock_request (icon);
202 egg_tray_icon_new_for_xscreen (Screen *xscreen, const char *name)
206 GdkWindow *root_window;
208 g_return_val_if_fail (xscreen != NULL, NULL);
210 icon = (EggTrayIcon*)gtk_object_new (EGG_TYPE_TRAY_ICON, NULL);
211 gtk_window_set_title (GTK_WINDOW (icon), name);
213 #if HAVE_GTK_MULTIHEAD
214 gtk_plug_construct_for_display (GTK_PLUG_XEMBED (icon),
215 gdk_screen_get_display (screen), 0);
217 gtk_plug_xembed_construct (GTK_PLUG_XEMBED (icon), 0);
220 gtk_widget_realize (GTK_WIDGET (icon));
222 /* Now see if there's a manager window around */
223 g_snprintf (buffer, sizeof (buffer),
224 "_NET_SYSTEM_TRAY_S%d",
225 XScreenNumberOfScreen (xscreen));
227 icon->selection_atom = XInternAtom (DisplayOfScreen (xscreen),
230 icon->manager_atom = XInternAtom (DisplayOfScreen (xscreen),
233 icon->system_tray_opcode_atom = XInternAtom (DisplayOfScreen (xscreen),
234 "_NET_SYSTEM_TRAY_OPCODE", False);
236 egg_tray_icon_update_manager_window (icon);
238 #if HAVE_GTK_MULTIHEAD
239 root_window = gdk_screen_get_root_window (screen);
241 root_window = GDK_ROOT_PARENT(); /* gdk_window_lookup (gdk_x11_get_default_root_xwindow ()); */
244 /* Add a root window filter so that we get changes on MANAGER */
245 gdk_window_add_filter (root_window,
246 egg_tray_icon_manager_filter, icon);
251 #if HAVE_GTK_MULTIHEAD
253 egg_tray_icon_new_for_screen (GdkScreen *screen, const char *name)
258 g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
260 return egg_tray_icon_new_for_xscreen (GDK_SCREEN_XSCREEN (screen), name);
265 egg_tray_icon_new (const gchar *name)
267 return egg_tray_icon_new_for_xscreen (DefaultScreenOfDisplay (gdk_display), name);
271 egg_tray_icon_send_message (EggTrayIcon *icon,
273 const gchar *message,
278 g_return_val_if_fail (EGG_IS_TRAY_ICON (icon), 0);
279 g_return_val_if_fail (timeout >= 0, 0);
280 g_return_val_if_fail (message != NULL, 0);
282 if (icon->manager_window == None)
286 len = strlen (message);
288 stamp = icon->stamp++;
290 /* Get ready to send the message */
291 egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_BEGIN_MESSAGE,
292 (Window)gtk_plug_xembed_get_id (GTK_PLUG_XEMBED (icon)),
293 timeout, len, stamp);
295 /* Now to send the actual message */
296 gdk_error_trap_push ();
299 XClientMessageEvent ev;
302 #if HAVE_GTK_MULTIHEAD
303 xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
305 xdisplay = gdk_display;
308 ev.type = ClientMessage;
309 ev.window = (Window)gtk_plug_xembed_get_id (GTK_PLUG_XEMBED (icon));
311 ev.message_type = XInternAtom (xdisplay,
312 "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
315 memcpy (&ev.data, message, 20);
321 memcpy (&ev.data, message, len);
325 XSendEvent (xdisplay,
326 icon->manager_window, False, StructureNotifyMask, (XEvent *)&ev);
327 XSync (xdisplay, False);
329 gdk_error_trap_pop ();
335 egg_tray_icon_cancel_message (EggTrayIcon *icon,
338 g_return_if_fail (EGG_IS_TRAY_ICON (icon));
339 g_return_if_fail (id > 0);
341 egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_CANCEL_MESSAGE,
342 (Window)gtk_plug_xembed_get_id (GTK_PLUG_XEMBED (icon)),