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added possibility to throw different objects and crash directly from the main frame...
[wxWidgets.git] / src / gtk1 / eggtrayicon.c
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1/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2/* eggtrayicon.c
3 * Copyright (C) 2002 Anders Carlsson <andersca@gnu.org>
4 *
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.
9 *
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.
14 *
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.
19 */
20
f9fb5408
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21/*
22
23Permission to use this file under wxWindows license given by
24copyright holder:
25--------
26From andersca@gnu.org Tue Dec 9 13:01:56 2003
27Return-path: <andersca@gnu.org>
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60 for <vaclav.slavik@matfyz.cz>; Tue, 9 Dec 2003 13:01:56 +0100 (CET)
61Subject: Re: eggtrayicon.{c,h} licensing
62From: Anders Carlsson <andersca@gnu.org>
63To: Vaclav Slavik <vaclav.slavik@matfyz.cz>
64In-Reply-To: <200312091142.54542.vaclav.slavik@matfyz.cz>
65References: <200312091142.54542.vaclav.slavik@matfyz.cz>
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80
81On tis, 2003-12-09 at 11:42 +0100, Vaclav Slavik wrote:
82> Hi,
83>
84> I'm working on the wxWindows cross-platform GUI toolkit
85> (http://www.wxwindows.org) which uses GTK+ and it would save me a lot
86> of time if I could use your eggtrayicon code to implement tray icons
87> on X11. Unfortunately I can't use it right now because it is not part
88> of any library we could depend on (as we do depend on GTK+) and would
89> have to be included in our sources and it is under the LGPL license.
90> The problem is that wxWindows' license is more permissive (see
91> http://www.opensource.org/licenses/wxwindows.php for details) and so
92> I can't take your code and put it under wxWindows License. And I
93> can't put code that can't be used under the terms of wxWindows
94> License into wxWindows either. Do you think it would be possible to
95> get permission to include eggtrayicon under wxWindows license?
96>
97> Thanks,
98> Vaclav
99>
100
101Sure, that's fine by me.
102
103Anders
104--------
105*/
106
107#include "wx/platform.h"
108
5dc22463 109#include <gdk/gdkx.h>
5dc22463 110
6376cdc3
RD
111#ifdef __WXGTK20__
112#include <gtk/gtkversion.h>
113#if GTK_CHECK_VERSION(2, 1, 0)
f9fb5408 114
33d4eef0 115#include <string.h>
33d4eef0
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116#include "eggtrayicon.h"
117
118#define SYSTEM_TRAY_REQUEST_DOCK 0
119#define SYSTEM_TRAY_BEGIN_MESSAGE 1
120#define SYSTEM_TRAY_CANCEL_MESSAGE 2
121
122static GtkPlugClass *parent_class = NULL;
123
124static void egg_tray_icon_init (EggTrayIcon *icon);
125static void egg_tray_icon_class_init (EggTrayIconClass *klass);
126
127static void egg_tray_icon_unrealize (GtkWidget *widget);
128
129static void egg_tray_icon_update_manager_window (EggTrayIcon *icon);
130
131GType
132egg_tray_icon_get_type (void)
133{
134 static GType our_type = 0;
135
136 if (our_type == 0)
137 {
138 static const GTypeInfo our_info =
139 {
140 sizeof (EggTrayIconClass),
141 (GBaseInitFunc) NULL,
142 (GBaseFinalizeFunc) NULL,
143 (GClassInitFunc) egg_tray_icon_class_init,
144 NULL, /* class_finalize */
145 NULL, /* class_data */
146 sizeof (EggTrayIcon),
147 0, /* n_preallocs */
148 (GInstanceInitFunc) egg_tray_icon_init
149 };
150
151 our_type = g_type_register_static (GTK_TYPE_PLUG, "EggTrayIcon", &our_info, 0);
152 }
153
154 return our_type;
155}
156
157static void
158egg_tray_icon_init (EggTrayIcon *icon)
159{
160 icon->stamp = 1;
161
162 gtk_widget_add_events (GTK_WIDGET (icon), GDK_PROPERTY_CHANGE_MASK);
163}
164
165static void
166egg_tray_icon_class_init (EggTrayIconClass *klass)
167{
168 GtkWidgetClass *widget_class = (GtkWidgetClass *)klass;
169
170 parent_class = g_type_class_peek_parent (klass);
171
172 widget_class->unrealize = egg_tray_icon_unrealize;
173}
174
175static GdkFilterReturn
176egg_tray_icon_manager_filter (GdkXEvent *xevent, GdkEvent *event, gpointer user_data)
177{
178 EggTrayIcon *icon = user_data;
179 XEvent *xev = (XEvent *)xevent;
180
181 if (xev->xany.type == ClientMessage &&
182 xev->xclient.message_type == icon->manager_atom &&
183 xev->xclient.data.l[1] == icon->selection_atom)
184 {
185 egg_tray_icon_update_manager_window (icon);
186 }
187 else if (xev->xany.window == icon->manager_window)
188 {
189 if (xev->xany.type == DestroyNotify)
190 {
191 egg_tray_icon_update_manager_window (icon);
192 }
193 }
194
195 return GDK_FILTER_CONTINUE;
196}
197
198static void
199egg_tray_icon_unrealize (GtkWidget *widget)
200{
201 EggTrayIcon *icon = EGG_TRAY_ICON (widget);
202 GdkWindow *root_window;
203
204 if (icon->manager_window != None)
205 {
206 GdkWindow *gdkwin;
207
208 gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (widget),
209 icon->manager_window);
210
211 gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon);
212 }
213
214 root_window = gdk_screen_get_root_window (gtk_widget_get_screen (widget));
215
216 gdk_window_remove_filter (root_window, egg_tray_icon_manager_filter, icon);
217
218 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
219 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
220}
221
222static void
223egg_tray_icon_send_manager_message (EggTrayIcon *icon,
224 long message,
225 Window window,
226 long data1,
227 long data2,
228 long data3)
229{
230 XClientMessageEvent ev;
231 Display *display;
232
233 ev.type = ClientMessage;
234 ev.window = window;
235 ev.message_type = icon->system_tray_opcode_atom;
236 ev.format = 32;
237 ev.data.l[0] = gdk_x11_get_server_time (GTK_WIDGET (icon)->window);
238 ev.data.l[1] = message;
239 ev.data.l[2] = data1;
240 ev.data.l[3] = data2;
241 ev.data.l[4] = data3;
242
243 display = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
244
245 gdk_error_trap_push ();
246 XSendEvent (display,
247 icon->manager_window, False, NoEventMask, (XEvent *)&ev);
248 XSync (display, False);
249 gdk_error_trap_pop ();
250}
251
252static void
253egg_tray_icon_send_dock_request (EggTrayIcon *icon)
254{
255 egg_tray_icon_send_manager_message (icon,
256 SYSTEM_TRAY_REQUEST_DOCK,
257 icon->manager_window,
258 gtk_plug_get_id (GTK_PLUG (icon)),
259 0, 0);
260}
261
262static void
263egg_tray_icon_update_manager_window (EggTrayIcon *icon)
264{
265 Display *xdisplay;
266
267 xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
268
269 if (icon->manager_window != None)
270 {
271 GdkWindow *gdkwin;
272
273 gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)),
274 icon->manager_window);
275
276 gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon);
277 }
278
279 XGrabServer (xdisplay);
280
281 icon->manager_window = XGetSelectionOwner (xdisplay,
282 icon->selection_atom);
283
284 if (icon->manager_window != None)
285 XSelectInput (xdisplay,
286 icon->manager_window, StructureNotifyMask);
287
288 XUngrabServer (xdisplay);
289 XFlush (xdisplay);
290
291 if (icon->manager_window != None)
292 {
293 GdkWindow *gdkwin;
294
295 gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (GTK_WIDGET (icon)),
296 icon->manager_window);
297
298 gdk_window_add_filter (gdkwin, egg_tray_icon_manager_filter, icon);
299
300 /* Send a request that we'd like to dock */
301 egg_tray_icon_send_dock_request (icon);
302 }
303}
304
305EggTrayIcon *
306egg_tray_icon_new_for_xscreen (Screen *xscreen, const char *name)
307{
308 EggTrayIcon *icon;
309 char buffer[256];
310 GdkWindow *root_window;
311 GdkDisplay *display;
312 GdkScreen *screen;
313
314 g_return_val_if_fail (xscreen != NULL, NULL);
315
316 icon = g_object_new (EGG_TYPE_TRAY_ICON, NULL);
317 gtk_window_set_title (GTK_WINDOW (icon), name);
318
319 display = gdk_x11_lookup_xdisplay (DisplayOfScreen (xscreen));
320 screen = gdk_display_get_screen (display, XScreenNumberOfScreen (xscreen));
321
322 gtk_plug_construct_for_display (GTK_PLUG (icon),
323 display, 0);
324
325 gtk_window_set_screen (GTK_WINDOW (icon), screen);
326
327 gtk_widget_realize (GTK_WIDGET (icon));
328
329 /* Now see if there's a manager window around */
330 g_snprintf (buffer, sizeof (buffer),
331 "_NET_SYSTEM_TRAY_S%d",
332 XScreenNumberOfScreen (xscreen));
333
334 icon->selection_atom = XInternAtom (DisplayOfScreen (xscreen),
335 buffer, False);
336
337 icon->manager_atom = XInternAtom (DisplayOfScreen (xscreen),
338 "MANAGER", False);
339
340 icon->system_tray_opcode_atom = XInternAtom (DisplayOfScreen (xscreen),
341 "_NET_SYSTEM_TRAY_OPCODE", False);
342
343 egg_tray_icon_update_manager_window (icon);
344
345 root_window = gdk_screen_get_root_window (gtk_widget_get_screen (GTK_WIDGET (icon)));
346
347 /* Add a root window filter so that we get changes on MANAGER */
348 gdk_window_add_filter (root_window,
349 egg_tray_icon_manager_filter, icon);
350
351 return icon;
352}
353
354EggTrayIcon *
355egg_tray_icon_new_for_screen (GdkScreen *screen, const char *name)
356{
357 g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
358
359 return egg_tray_icon_new_for_xscreen (GDK_SCREEN_XSCREEN (screen), name);
360}
361
362EggTrayIcon*
363egg_tray_icon_new (const gchar *name)
364{
365 return egg_tray_icon_new_for_xscreen (DefaultScreenOfDisplay (gdk_display), name);
366}
367
368guint
369egg_tray_icon_send_message (EggTrayIcon *icon,
370 gint timeout,
371 const gchar *message,
372 gint len)
373{
374 guint stamp;
375
376 g_return_val_if_fail (EGG_IS_TRAY_ICON (icon), 0);
377 g_return_val_if_fail (timeout >= 0, 0);
378 g_return_val_if_fail (message != NULL, 0);
379
380 if (icon->manager_window == None)
381 return 0;
382
383 if (len < 0)
384 len = strlen (message);
385
386 stamp = icon->stamp++;
387
388 /* Get ready to send the message */
389 egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_BEGIN_MESSAGE,
390 (Window)gtk_plug_get_id (GTK_PLUG (icon)),
391 timeout, len, stamp);
392
393 /* Now to send the actual message */
394 gdk_error_trap_push ();
395 while (len > 0)
396 {
397 XClientMessageEvent ev;
398 Display *xdisplay;
399
400 xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
401
402 ev.type = ClientMessage;
403 ev.window = (Window)gtk_plug_get_id (GTK_PLUG (icon));
404 ev.format = 8;
405 ev.message_type = XInternAtom (xdisplay,
406 "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
407 if (len > 20)
408 {
409 memcpy (&ev.data, message, 20);
410 len -= 20;
411 message += 20;
412 }
413 else
414 {
415 memcpy (&ev.data, message, len);
416 len = 0;
417 }
418
419 XSendEvent (xdisplay,
420 icon->manager_window, False, StructureNotifyMask, (XEvent *)&ev);
421 XSync (xdisplay, False);
422 }
423 gdk_error_trap_pop ();
424
425 return stamp;
426}
427
428void
429egg_tray_icon_cancel_message (EggTrayIcon *icon,
430 guint id)
431{
432 g_return_if_fail (EGG_IS_TRAY_ICON (icon));
433 g_return_if_fail (id > 0);
434
435 egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_CANCEL_MESSAGE,
436 (Window)gtk_plug_get_id (GTK_PLUG (icon)),
437 id, 0, 0);
438}
f9fb5408 439
02a525b3
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440#endif /* __WXGTK20__ */
441#endif /* GTK_CHECK_VERSION(2, 1, 0) */