1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 2 -*- */
2 /* testsocket.c
3 * Copyright (C) 2001 Red Hat, Inc
4 * Author: Owen Taylor
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
20 */
21
22 #undef GTK_DISABLE_DEPRECATED
23
24 #include "config.h"
25 #include <gtk/gtk.h>
26
27 #include <string.h>
28 #include <stdlib.h>
29 #include <stdio.h>
30
31 int n_children = 0;
32
33 GSList *sockets = NULL;
34
35 GtkWidget *window;
36 GtkWidget *box;
37
38 typedef struct
39 {
40 GtkWidget *box;
41 GtkWidget *frame;
42 GtkWidget *socket;
43 } Socket;
44
45 extern guint32 create_child_plug (guint32 xid,
46 gboolean local);
47
48 static void
quit_cb(gpointer callback_data,guint callback_action,GtkWidget * widget)49 quit_cb (gpointer callback_data,
50 guint callback_action,
51 GtkWidget *widget)
52 {
53 GtkWidget *message_dialog = gtk_message_dialog_new (GTK_WINDOW (window), 0,
54 GTK_MESSAGE_QUESTION,
55 GTK_BUTTONS_YES_NO,
56 "Really Quit?");
57 gtk_dialog_set_default_response (GTK_DIALOG (message_dialog), GTK_RESPONSE_NO);
58
59 if (gtk_dialog_run (GTK_DIALOG (message_dialog)) == GTK_RESPONSE_YES)
60 gtk_widget_destroy (window);
61
62 gtk_widget_destroy (message_dialog);
63 }
64
65 static GtkItemFactoryEntry menu_items[] =
66 {
67 { "/_File", NULL, NULL, 0, "<Branch>" },
68 { "/File/_Quit", "<control>Q", quit_cb, 0 },
69 };
70
71 static void
socket_destroyed(GtkWidget * widget,Socket * socket)72 socket_destroyed (GtkWidget *widget,
73 Socket *socket)
74 {
75 sockets = g_slist_remove (sockets, socket);
76 g_free (socket);
77 }
78
79 static void
plug_added(GtkWidget * widget,Socket * socket)80 plug_added (GtkWidget *widget,
81 Socket *socket)
82 {
83 g_print ("Plug added to socket\n");
84
85 gtk_widget_show (socket->socket);
86 gtk_widget_hide (socket->frame);
87 }
88
89 static gboolean
plug_removed(GtkWidget * widget,Socket * socket)90 plug_removed (GtkWidget *widget,
91 Socket *socket)
92 {
93 g_print ("Plug removed from socket\n");
94
95 gtk_widget_hide (socket->socket);
96 gtk_widget_show (socket->frame);
97
98 return TRUE;
99 }
100
101 static Socket *
create_socket(void)102 create_socket (void)
103 {
104 GtkWidget *label;
105
106 Socket *socket = g_new (Socket, 1);
107
108 socket->box = gtk_vbox_new (FALSE, 0);
109
110 socket->socket = gtk_socket_new ();
111
112 gtk_box_pack_start (GTK_BOX (socket->box), socket->socket, TRUE, TRUE, 0);
113
114 socket->frame = gtk_frame_new (NULL);
115 gtk_frame_set_shadow_type (GTK_FRAME (socket->frame), GTK_SHADOW_IN);
116 gtk_box_pack_start (GTK_BOX (socket->box), socket->frame, TRUE, TRUE, 0);
117 gtk_widget_show (socket->frame);
118
119 label = gtk_label_new (NULL);
120 gtk_label_set_markup (GTK_LABEL (label), "<span color=\"red\">Empty</span>");
121 gtk_container_add (GTK_CONTAINER (socket->frame), label);
122 gtk_widget_show (label);
123
124 sockets = g_slist_prepend (sockets, socket);
125
126
127 g_signal_connect (socket->socket, "destroy",
128 G_CALLBACK (socket_destroyed), socket);
129 g_signal_connect (socket->socket, "plug_added",
130 G_CALLBACK (plug_added), socket);
131 g_signal_connect (socket->socket, "plug_removed",
132 G_CALLBACK (plug_removed), socket);
133
134 return socket;
135 }
136
137 void
steal(GtkWidget * window,GtkEntry * entry)138 steal (GtkWidget *window, GtkEntry *entry)
139 {
140 guint32 xid;
141 const gchar *text;
142 Socket *socket;
143
144 text = gtk_entry_get_text (entry);
145
146 xid = strtol (text, NULL, 0);
147 if (xid == 0)
148 {
149 g_warning ("Invalid window id '%s'\n", text);
150 return;
151 }
152
153 socket = create_socket ();
154 gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
155 gtk_widget_show (socket->box);
156
157 gtk_socket_steal (GTK_SOCKET (socket->socket), xid);
158 }
159
160 void
remove_child(GtkWidget * window)161 remove_child (GtkWidget *window)
162 {
163 if (sockets)
164 {
165 Socket *socket = sockets->data;
166 gtk_widget_destroy (socket->box);
167 }
168 }
169
170 static gboolean
child_read_watch(GIOChannel * channel,GIOCondition cond,gpointer data)171 child_read_watch (GIOChannel *channel, GIOCondition cond, gpointer data)
172 {
173 GIOStatus status;
174 GError *error = NULL;
175 char *line;
176 gsize term;
177 int xid;
178
179 status = g_io_channel_read_line (channel, &line, NULL, &term, &error);
180 switch (status)
181 {
182 case G_IO_STATUS_NORMAL:
183 line[term] = '\0';
184 xid = strtol (line, NULL, 0);
185 if (xid == 0)
186 {
187 fprintf (stderr, "Invalid window id '%s'\n", line);
188 }
189 else
190 {
191 Socket *socket = create_socket ();
192 gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
193 gtk_widget_show (socket->box);
194
195 gtk_socket_add_id (GTK_SOCKET (socket->socket), xid);
196 }
197 g_free (line);
198 return TRUE;
199 case G_IO_STATUS_AGAIN:
200 return TRUE;
201 case G_IO_STATUS_EOF:
202 n_children--;
203 return FALSE;
204 case G_IO_STATUS_ERROR:
205 fprintf (stderr, "Error reading fd from child: %s\n", error->message);
206 exit (1);
207 return FALSE;
208 default:
209 g_assert_not_reached ();
210 return FALSE;
211 }
212
213 }
214
215 void
add_child(GtkWidget * window,gboolean active)216 add_child (GtkWidget *window,
217 gboolean active)
218 {
219 Socket *socket;
220 char *argv[3] = { "./testsocket_child", NULL, NULL };
221 char buffer[20];
222 int out_fd;
223 GIOChannel *channel;
224 GError *error = NULL;
225
226 if (active)
227 {
228 socket = create_socket ();
229 gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
230 gtk_widget_show (socket->box);
231 sprintf(buffer, "%#lx", (gulong) gtk_socket_get_id (GTK_SOCKET (socket->socket)));
232 argv[1] = buffer;
233 }
234
235 if (!g_spawn_async_with_pipes (NULL, argv, NULL, 0, NULL, NULL, NULL, NULL, &out_fd, NULL, &error))
236 {
237 fprintf (stderr, "Can't exec testsocket_child: %s\n", error->message);
238 exit (1);
239 }
240
241 n_children++;
242 channel = g_io_channel_unix_new (out_fd);
243 g_io_channel_set_close_on_unref (channel, TRUE);
244 g_io_channel_set_flags (channel, G_IO_FLAG_NONBLOCK, &error);
245 if (error)
246 {
247 fprintf (stderr, "Error making channel non-blocking: %s\n", error->message);
248 exit (1);
249 }
250
251 g_io_add_watch (channel, G_IO_IN | G_IO_HUP, child_read_watch, NULL);
252 g_io_channel_unref (channel);
253 }
254
255 void
add_active_child(GtkWidget * window)256 add_active_child (GtkWidget *window)
257 {
258 add_child (window, TRUE);
259 }
260
261 void
add_passive_child(GtkWidget * window)262 add_passive_child (GtkWidget *window)
263 {
264 add_child (window, FALSE);
265 }
266
267 void
add_local_active_child(GtkWidget * window)268 add_local_active_child (GtkWidget *window)
269 {
270 Socket *socket;
271
272 socket = create_socket ();
273 gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
274 gtk_widget_show (socket->box);
275
276 create_child_plug (gtk_socket_get_id (GTK_SOCKET (socket->socket)), TRUE);
277 }
278
279 void
add_local_passive_child(GtkWidget * window)280 add_local_passive_child (GtkWidget *window)
281 {
282 Socket *socket;
283 GdkNativeWindow xid;
284
285 socket = create_socket ();
286 gtk_box_pack_start (GTK_BOX (box), socket->box, TRUE, TRUE, 0);
287 gtk_widget_show (socket->box);
288
289 xid = create_child_plug (0, TRUE);
290 gtk_socket_add_id (GTK_SOCKET (socket->socket), xid);
291 }
292
293 static const char *
grab_string(int status)294 grab_string (int status)
295 {
296 switch (status) {
297 case GDK_GRAB_SUCCESS: return "GrabSuccess";
298 case GDK_GRAB_ALREADY_GRABBED: return "AlreadyGrabbed";
299 case GDK_GRAB_INVALID_TIME: return "GrabInvalidTime";
300 case GDK_GRAB_NOT_VIEWABLE: return "GrabNotViewable";
301 case GDK_GRAB_FROZEN: return "GrabFrozen";
302 default:
303 {
304 static char foo [255];
305 sprintf (foo, "unknown status: %d", status);
306 return foo;
307 }
308 }
309 }
310
311 static void
grab_window_toggled(GtkToggleButton * button,GtkWidget * widget)312 grab_window_toggled (GtkToggleButton *button,
313 GtkWidget *widget)
314 {
315
316 if (gtk_toggle_button_get_active (button))
317 {
318 int status;
319
320 status = gdk_keyboard_grab (widget->window, FALSE, GDK_CURRENT_TIME);
321
322 if (status != GDK_GRAB_SUCCESS)
323 g_warning ("Could not grab keyboard! (%s)", grab_string (status));
324
325 }
326 else
327 {
328 gdk_keyboard_ungrab (GDK_CURRENT_TIME);
329 }
330 }
331
332 int
main(int argc,char * argv[])333 main (int argc, char *argv[])
334 {
335 GtkWidget *button;
336 GtkWidget *hbox;
337 GtkWidget *vbox;
338 GtkWidget *entry;
339 GtkWidget *checkbutton;
340 GtkAccelGroup *accel_group;
341 GtkItemFactory *item_factory;
342
343 gtk_init (&argc, &argv);
344
345 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
346 g_signal_connect (window, "destroy",
347 G_CALLBACK (gtk_main_quit), NULL);
348
349 gtk_window_set_title (GTK_WINDOW (window), "Socket Test");
350 gtk_container_set_border_width (GTK_CONTAINER (window), 0);
351
352 vbox = gtk_vbox_new (FALSE, 0);
353 gtk_container_add (GTK_CONTAINER (window), vbox);
354
355 accel_group = gtk_accel_group_new ();
356 gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
357 item_factory = gtk_item_factory_new (GTK_TYPE_MENU_BAR, "<main>", accel_group);
358
359
360 gtk_item_factory_create_items (item_factory,
361 G_N_ELEMENTS (menu_items), menu_items,
362 NULL);
363
364 gtk_box_pack_start (GTK_BOX (vbox),
365 gtk_item_factory_get_widget (item_factory, "<main>"),
366 FALSE, FALSE, 0);
367
368 button = gtk_button_new_with_label ("Add Active Child");
369 gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
370
371 g_signal_connect_swapped (button, "clicked",
372 G_CALLBACK (add_active_child), vbox);
373
374 button = gtk_button_new_with_label ("Add Passive Child");
375 gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
376
377 g_signal_connect_swapped (button, "clicked",
378 G_CALLBACK (add_passive_child), vbox);
379
380 button = gtk_button_new_with_label ("Add Local Active Child");
381 gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
382
383 g_signal_connect_swapped (button, "clicked",
384 G_CALLBACK (add_local_active_child), vbox);
385
386 button = gtk_button_new_with_label ("Add Local Passive Child");
387 gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
388
389 g_signal_connect_swapped (button, "clicked",
390 G_CALLBACK (add_local_passive_child), vbox);
391
392 button = gtk_button_new_with_label ("Remove Last Child");
393 gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
394
395 g_signal_connect_swapped (button, "clicked",
396 G_CALLBACK (remove_child), vbox);
397
398 checkbutton = gtk_check_button_new_with_label ("Grab keyboard");
399 gtk_box_pack_start (GTK_BOX (vbox), checkbutton, FALSE, FALSE, 0);
400
401 g_signal_connect (checkbutton, "toggled",
402 G_CALLBACK (grab_window_toggled),
403 window);
404
405 hbox = gtk_hbox_new (FALSE, 0);
406 gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
407
408 entry = gtk_entry_new ();
409 gtk_box_pack_start (GTK_BOX(hbox), entry, FALSE, FALSE, 0);
410
411 button = gtk_button_new_with_label ("Steal");
412 gtk_box_pack_start (GTK_BOX(hbox), button, FALSE, FALSE, 0);
413
414 g_signal_connect (button, "clicked",
415 G_CALLBACK (steal),
416 entry);
417
418 hbox = gtk_hbox_new (FALSE, 0);
419 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
420
421 box = hbox;
422
423 gtk_widget_show_all (window);
424
425 gtk_main ();
426
427 if (n_children)
428 {
429 g_print ("Waiting for children to exit\n");
430
431 while (n_children)
432 g_main_context_iteration (NULL, TRUE);
433 }
434
435 return 0;
436 }
437