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
);
39 egg_tray_icon_get_type (void)
41 static GType our_type
= 0;
45 static const GTypeInfo our_info
=
47 sizeof (EggTrayIconClass
),
49 (GBaseFinalizeFunc
) NULL
,
50 (GClassInitFunc
) egg_tray_icon_class_init
,
51 NULL
, /* class_finalize */
52 NULL
, /* class_data */
55 (GInstanceInitFunc
) egg_tray_icon_init
58 our_type
= g_type_register_static (GTK_TYPE_PLUG
, "EggTrayIcon", &our_info
, 0);
65 egg_tray_icon_init (EggTrayIcon
*icon
)
69 gtk_widget_add_events (GTK_WIDGET (icon
), GDK_PROPERTY_CHANGE_MASK
);
73 egg_tray_icon_class_init (EggTrayIconClass
*klass
)
75 GtkWidgetClass
*widget_class
= (GtkWidgetClass
*)klass
;
77 parent_class
= g_type_class_peek_parent (klass
);
79 widget_class
->unrealize
= egg_tray_icon_unrealize
;
82 static GdkFilterReturn
83 egg_tray_icon_manager_filter (GdkXEvent
*xevent
, GdkEvent
*event
, gpointer user_data
)
85 EggTrayIcon
*icon
= user_data
;
86 XEvent
*xev
= (XEvent
*)xevent
;
88 if (xev
->xany
.type
== ClientMessage
&&
89 xev
->xclient
.message_type
== icon
->manager_atom
&&
90 xev
->xclient
.data
.l
[1] == icon
->selection_atom
)
92 egg_tray_icon_update_manager_window (icon
);
94 else if (xev
->xany
.window
== icon
->manager_window
)
96 if (xev
->xany
.type
== DestroyNotify
)
98 egg_tray_icon_update_manager_window (icon
);
102 return GDK_FILTER_CONTINUE
;
106 egg_tray_icon_unrealize (GtkWidget
*widget
)
108 EggTrayIcon
*icon
= EGG_TRAY_ICON (widget
);
109 GdkWindow
*root_window
;
111 if (icon
->manager_window
!= None
)
115 gdkwin
= gdk_window_lookup_for_display (gtk_widget_get_display (widget
),
116 icon
->manager_window
);
118 gdk_window_remove_filter (gdkwin
, egg_tray_icon_manager_filter
, icon
);
121 root_window
= gdk_screen_get_root_window (gtk_widget_get_screen (widget
));
123 gdk_window_remove_filter (root_window
, egg_tray_icon_manager_filter
, icon
);
125 if (GTK_WIDGET_CLASS (parent_class
)->unrealize
)
126 (* GTK_WIDGET_CLASS (parent_class
)->unrealize
) (widget
);
130 egg_tray_icon_send_manager_message (EggTrayIcon
*icon
,
137 XClientMessageEvent ev
;
140 ev
.type
= ClientMessage
;
142 ev
.message_type
= icon
->system_tray_opcode_atom
;
144 ev
.data
.l
[0] = gdk_x11_get_server_time (GTK_WIDGET (icon
)->window
);
145 ev
.data
.l
[1] = message
;
146 ev
.data
.l
[2] = data1
;
147 ev
.data
.l
[3] = data2
;
148 ev
.data
.l
[4] = data3
;
150 display
= GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon
)));
152 gdk_error_trap_push ();
154 icon
->manager_window
, False
, NoEventMask
, (XEvent
*)&ev
);
155 XSync (display
, False
);
156 gdk_error_trap_pop ();
160 egg_tray_icon_send_dock_request (EggTrayIcon
*icon
)
162 egg_tray_icon_send_manager_message (icon
,
163 SYSTEM_TRAY_REQUEST_DOCK
,
164 icon
->manager_window
,
165 gtk_plug_get_id (GTK_PLUG (icon
)),
170 egg_tray_icon_update_manager_window (EggTrayIcon
*icon
)
174 xdisplay
= GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon
)));
176 if (icon
->manager_window
!= None
)
180 gdkwin
= gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon
)),
181 icon
->manager_window
);
183 gdk_window_remove_filter (gdkwin
, egg_tray_icon_manager_filter
, icon
);
186 XGrabServer (xdisplay
);
188 icon
->manager_window
= XGetSelectionOwner (xdisplay
,
189 icon
->selection_atom
);
191 if (icon
->manager_window
!= None
)
192 XSelectInput (xdisplay
,
193 icon
->manager_window
, StructureNotifyMask
);
195 XUngrabServer (xdisplay
);
198 if (icon
->manager_window
!= None
)
202 gdkwin
= gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon
)),
203 icon
->manager_window
);
205 gdk_window_add_filter (gdkwin
, egg_tray_icon_manager_filter
, icon
);
207 /* Send a request that we'd like to dock */
208 egg_tray_icon_send_dock_request (icon
);
213 egg_tray_icon_new_for_xscreen (Screen
*xscreen
, const char *name
)
217 GdkWindow
*root_window
;
221 g_return_val_if_fail (xscreen
!= NULL
, NULL
);
223 icon
= g_object_new (EGG_TYPE_TRAY_ICON
, NULL
);
224 gtk_window_set_title (GTK_WINDOW (icon
), name
);
226 display
= gdk_x11_lookup_xdisplay (DisplayOfScreen (xscreen
));
227 screen
= gdk_display_get_screen (display
, XScreenNumberOfScreen (xscreen
));
229 gtk_plug_construct_for_display (GTK_PLUG (icon
),
232 gtk_window_set_screen (GTK_WINDOW (icon
), screen
);
234 gtk_widget_realize (GTK_WIDGET (icon
));
236 /* Now see if there's a manager window around */
237 g_snprintf (buffer
, sizeof (buffer
),
238 "_NET_SYSTEM_TRAY_S%d",
239 XScreenNumberOfScreen (xscreen
));
241 icon
->selection_atom
= XInternAtom (DisplayOfScreen (xscreen
),
244 icon
->manager_atom
= XInternAtom (DisplayOfScreen (xscreen
),
247 icon
->system_tray_opcode_atom
= XInternAtom (DisplayOfScreen (xscreen
),
248 "_NET_SYSTEM_TRAY_OPCODE", False
);
250 egg_tray_icon_update_manager_window (icon
);
252 root_window
= gdk_screen_get_root_window (gtk_widget_get_screen (GTK_WIDGET (icon
)));
254 /* Add a root window filter so that we get changes on MANAGER */
255 gdk_window_add_filter (root_window
,
256 egg_tray_icon_manager_filter
, icon
);
262 egg_tray_icon_new_for_screen (GdkScreen
*screen
, const char *name
)
264 g_return_val_if_fail (GDK_IS_SCREEN (screen
), NULL
);
266 return egg_tray_icon_new_for_xscreen (GDK_SCREEN_XSCREEN (screen
), name
);
270 egg_tray_icon_new (const gchar
*name
)
272 return egg_tray_icon_new_for_xscreen (DefaultScreenOfDisplay (gdk_display
), name
);
276 egg_tray_icon_send_message (EggTrayIcon
*icon
,
278 const gchar
*message
,
283 g_return_val_if_fail (EGG_IS_TRAY_ICON (icon
), 0);
284 g_return_val_if_fail (timeout
>= 0, 0);
285 g_return_val_if_fail (message
!= NULL
, 0);
287 if (icon
->manager_window
== None
)
291 len
= strlen (message
);
293 stamp
= icon
->stamp
++;
295 /* Get ready to send the message */
296 egg_tray_icon_send_manager_message (icon
, SYSTEM_TRAY_BEGIN_MESSAGE
,
297 (Window
)gtk_plug_get_id (GTK_PLUG (icon
)),
298 timeout
, len
, stamp
);
300 /* Now to send the actual message */
301 gdk_error_trap_push ();
304 XClientMessageEvent ev
;
307 xdisplay
= GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon
)));
309 ev
.type
= ClientMessage
;
310 ev
.window
= (Window
)gtk_plug_get_id (GTK_PLUG (icon
));
312 ev
.message_type
= XInternAtom (xdisplay
,
313 "_NET_SYSTEM_TRAY_MESSAGE_DATA", False
);
316 memcpy (&ev
.data
, message
, 20);
322 memcpy (&ev
.data
, message
, len
);
326 XSendEvent (xdisplay
,
327 icon
->manager_window
, False
, StructureNotifyMask
, (XEvent
*)&ev
);
328 XSync (xdisplay
, False
);
330 gdk_error_trap_pop ();
336 egg_tray_icon_cancel_message (EggTrayIcon
*icon
,
339 g_return_if_fail (EGG_IS_TRAY_ICON (icon
));
340 g_return_if_fail (id
> 0);
342 egg_tray_icon_send_manager_message (icon
, SYSTEM_TRAY_CANCEL_MESSAGE
,
343 (Window
)gtk_plug_get_id (GTK_PLUG (icon
)),