1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
|
/* eel-stock-dialogs.c: Various standard dialogs for Eel.
*
* Copyright (C) 2000 Eazel, Inc.
*
* The Gnome Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* The Gnome Library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the Gnome Library; see the file COPYING.LIB. If not,
* see <http://www.gnu.org/licenses/>.
*
* Authors: Darin Adler <darin@eazel.com>
*/
#include <config.h>
#include "eel-stock-dialogs.h"
#include "eel-glib-extensions.h"
#include <glib/gi18n-lib.h>
#include <gtk/gtk.h>
#define TIMED_WAIT_STANDARD_DURATION 2000
#define TIMED_WAIT_MIN_TIME_UP 3000
#define TIMED_WAIT_MINIMUM_DIALOG_WIDTH 300
#define RESPONSE_DETAILS 1000
typedef struct
{
EelCancelCallback cancel_callback;
gpointer callback_data;
/* Parameters for creation of the window. */
char *wait_message;
GtkWindow *parent_window;
/* Timer to determine when we need to create the window. */
guint timeout_handler_id;
/* Window, once it's created. */
GtkDialog *dialog;
/* system time (microseconds) when dialog was created */
gint64 dialog_creation_time;
} TimedWait;
static GHashTable *timed_wait_hash_table;
static void timed_wait_dialog_destroy_callback (GtkWidget *object,
gpointer callback_data);
static guint
timed_wait_hash (gconstpointer value)
{
const TimedWait *wait;
wait = value;
return GPOINTER_TO_UINT (wait->cancel_callback)
^ GPOINTER_TO_UINT (wait->callback_data);
}
static gboolean
timed_wait_hash_equal (gconstpointer value1,
gconstpointer value2)
{
const TimedWait *wait1, *wait2;
wait1 = value1;
wait2 = value2;
return wait1->cancel_callback == wait2->cancel_callback
&& wait1->callback_data == wait2->callback_data;
}
static void
timed_wait_delayed_close_destroy_dialog_callback (GtkWidget *object,
gpointer callback_data)
{
g_source_remove (GPOINTER_TO_UINT (callback_data));
}
static gboolean
timed_wait_delayed_close_timeout_callback (gpointer callback_data)
{
guint handler_id;
handler_id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (callback_data),
"eel-stock-dialogs/delayed_close_handler_timeout_id"));
g_signal_handlers_disconnect_by_func (G_OBJECT (callback_data),
G_CALLBACK (timed_wait_delayed_close_destroy_dialog_callback),
GUINT_TO_POINTER (handler_id));
gtk_window_destroy (GTK_WINDOW (callback_data));
return FALSE;
}
static void
timed_wait_free (TimedWait *wait)
{
guint delayed_close_handler_id;
guint64 time_up;
g_assert (g_hash_table_lookup (timed_wait_hash_table, wait) != NULL);
g_hash_table_remove (timed_wait_hash_table, wait);
g_free (wait->wait_message);
if (wait->parent_window != NULL)
{
g_object_unref (wait->parent_window);
}
if (wait->timeout_handler_id != 0)
{
g_source_remove (wait->timeout_handler_id);
}
if (wait->dialog != NULL)
{
/* Make sure to detach from the "destroy" signal, or we'll
* double-free.
*/
g_signal_handlers_disconnect_by_func (G_OBJECT (wait->dialog),
G_CALLBACK (timed_wait_dialog_destroy_callback),
wait);
/* compute time up in milliseconds */
time_up = (g_get_monotonic_time () - wait->dialog_creation_time) / 1000;
if (time_up < TIMED_WAIT_MIN_TIME_UP)
{
delayed_close_handler_id = g_timeout_add (TIMED_WAIT_MIN_TIME_UP - time_up,
timed_wait_delayed_close_timeout_callback,
wait->dialog);
g_object_set_data (G_OBJECT (wait->dialog),
"eel-stock-dialogs/delayed_close_handler_timeout_id",
GUINT_TO_POINTER (delayed_close_handler_id));
g_signal_connect (wait->dialog, "destroy",
G_CALLBACK (timed_wait_delayed_close_destroy_dialog_callback),
GUINT_TO_POINTER (delayed_close_handler_id));
}
else
{
gtk_window_destroy (GTK_WINDOW (wait->dialog));
}
}
/* And the wait object itself. */
g_free (wait);
}
static void
timed_wait_dialog_destroy_callback (GtkWidget *object,
gpointer callback_data)
{
TimedWait *wait;
wait = callback_data;
g_assert (GTK_DIALOG (object) == wait->dialog);
wait->dialog = NULL;
/* When there's no cancel_callback, the originator will/must
* call eel_timed_wait_stop which will call timed_wait_free.
*/
if (wait->cancel_callback != NULL)
{
(*wait->cancel_callback)(wait->callback_data);
timed_wait_free (wait);
}
}
static void
trash_dialog_response_callback (GtkDialog *dialog,
int response_id,
TimedWait *wait)
{
gtk_window_destroy (GTK_WINDOW (dialog));
}
static gboolean
timed_wait_callback (gpointer callback_data)
{
TimedWait *wait;
GtkDialog *dialog;
const char *button;
wait = callback_data;
/* Put up the timed wait window. */
button = wait->cancel_callback != NULL ? _("_Cancel") : ("_OK");
dialog = GTK_DIALOG (gtk_message_dialog_new (wait->parent_window,
GTK_DIALOG_MODAL,
GTK_MESSAGE_INFO,
GTK_BUTTONS_NONE,
NULL));
g_object_set (dialog,
"text", wait->wait_message,
"secondary-text", _("You can stop this operation by clicking cancel."),
NULL);
gtk_dialog_add_button (GTK_DIALOG (dialog), button, GTK_RESPONSE_OK);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
/* The contents are often very small, causing tiny little
* dialogs with their titles clipped if you just let gtk
* sizing do its thing. This enforces a minimum width to
* make it more likely that the title won't be clipped.
*/
gtk_window_set_default_size (GTK_WINDOW (dialog),
TIMED_WAIT_MINIMUM_DIALOG_WIDTH,
-1);
wait->dialog_creation_time = g_get_monotonic_time ();
gtk_widget_show (GTK_WIDGET (dialog));
/* FIXME bugzilla.eazel.com 2441:
* Could parent here, but it's complicated because we
* don't want this window to go away just because the parent
* would go away first.
*/
/* Make the dialog cancel the timed wait when it goes away.
* Connect to "destroy" instead of "response" since we want
* to be called no matter how the dialog goes away.
*/
g_signal_connect (dialog, "destroy",
G_CALLBACK (timed_wait_dialog_destroy_callback),
wait);
g_signal_connect (dialog, "response",
G_CALLBACK (trash_dialog_response_callback),
wait);
wait->timeout_handler_id = 0;
wait->dialog = dialog;
return FALSE;
}
void
eel_timed_wait_start_with_duration (int duration,
EelCancelCallback cancel_callback,
gpointer callback_data,
const char *wait_message,
GtkWindow *parent_window)
{
TimedWait *wait;
g_return_if_fail (callback_data != NULL);
g_return_if_fail (wait_message != NULL);
g_return_if_fail (parent_window == NULL || GTK_IS_WINDOW (parent_window));
/* Create the timed wait record. */
wait = g_new0 (TimedWait, 1);
wait->wait_message = g_strdup (wait_message);
wait->cancel_callback = cancel_callback;
wait->callback_data = callback_data;
wait->parent_window = parent_window;
if (parent_window != NULL)
{
g_object_ref (parent_window);
}
/* Start the timer. */
wait->timeout_handler_id = g_timeout_add (duration, timed_wait_callback, wait);
/* Put in the hash table so we can find it later. */
if (timed_wait_hash_table == NULL)
{
timed_wait_hash_table = g_hash_table_new (timed_wait_hash, timed_wait_hash_equal);
}
g_assert (g_hash_table_lookup (timed_wait_hash_table, wait) == NULL);
g_hash_table_insert (timed_wait_hash_table, wait, wait);
g_assert (g_hash_table_lookup (timed_wait_hash_table, wait) == wait);
}
void
eel_timed_wait_start (EelCancelCallback cancel_callback,
gpointer callback_data,
const char *wait_message,
GtkWindow *parent_window)
{
eel_timed_wait_start_with_duration
(TIMED_WAIT_STANDARD_DURATION,
cancel_callback, callback_data,
wait_message, parent_window);
}
void
eel_timed_wait_stop (EelCancelCallback cancel_callback,
gpointer callback_data)
{
TimedWait key;
TimedWait *wait;
g_return_if_fail (callback_data != NULL);
key.cancel_callback = cancel_callback;
key.callback_data = callback_data;
wait = g_hash_table_lookup (timed_wait_hash_table, &key);
g_return_if_fail (wait != NULL);
timed_wait_free (wait);
}
GtkDialog *
eel_show_simple_dialog (GtkWidget *parent,
GtkMessageType message_type,
const char *primary_text,
const char *secondary_text,
...)
{
va_list button_title_args;
const char *button_title;
GtkWidget *dialog;
GtkWidget *top_widget, *chosen_parent;
int response_id;
/* Parent it if asked to. */
chosen_parent = NULL;
if (parent != NULL)
{
top_widget = GTK_WIDGET (gtk_widget_get_root (parent));
if (GTK_IS_WINDOW (top_widget))
{
chosen_parent = top_widget;
}
}
/* Create the dialog. */
dialog = gtk_message_dialog_new (GTK_WINDOW (chosen_parent),
GTK_DIALOG_MODAL,
message_type,
GTK_BUTTONS_NONE,
NULL);
g_object_set (dialog,
"text", primary_text,
"secondary-text", secondary_text,
NULL);
va_start (button_title_args, secondary_text);
response_id = 0;
while (1)
{
button_title = va_arg (button_title_args, const char *);
if (button_title == NULL)
{
break;
}
gtk_dialog_add_button (GTK_DIALOG (dialog), button_title, response_id);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), response_id);
response_id++;
}
va_end (button_title_args);
gtk_widget_show (dialog);
return GTK_DIALOG (dialog);
}
static GtkDialog *
create_message_dialog (const char *primary_text,
const char *secondary_text,
GtkMessageType type,
GtkButtonsType buttons_type,
GtkWindow *parent)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (parent,
GTK_DIALOG_MODAL,
type,
buttons_type,
NULL);
if (parent)
{
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
}
g_object_set (dialog,
"text", primary_text,
"secondary-text", secondary_text,
NULL);
return GTK_DIALOG (dialog);
}
static GtkDialog *
show_message_dialog (const char *primary_text,
const char *secondary_text,
GtkMessageType type,
GtkButtonsType buttons_type,
GtkWindow *parent)
{
GtkDialog *dialog;
dialog = create_message_dialog (primary_text, secondary_text, type,
buttons_type, parent);
gtk_widget_show (GTK_WIDGET (dialog));
g_signal_connect (dialog, "response",
G_CALLBACK (gtk_window_destroy), NULL);
return dialog;
}
static GtkDialog *
show_ok_dialog (const char *primary_text,
const char *secondary_text,
GtkMessageType type,
GtkWindow *parent)
{
GtkDialog *dialog;
dialog = show_message_dialog (primary_text, secondary_text, type,
GTK_BUTTONS_OK, parent);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
return dialog;
}
GtkDialog *
eel_show_info_dialog (const char *primary_text,
const char *secondary_text,
GtkWindow *parent)
{
return show_ok_dialog (primary_text,
secondary_text,
GTK_MESSAGE_INFO, parent);
}
GtkDialog *
eel_show_warning_dialog (const char *primary_text,
const char *secondary_text,
GtkWindow *parent)
{
return show_ok_dialog (primary_text,
secondary_text,
GTK_MESSAGE_WARNING, parent);
}
GtkDialog *
eel_show_error_dialog (const char *primary_text,
const char *secondary_text,
GtkWindow *parent)
{
return show_ok_dialog (primary_text,
secondary_text,
GTK_MESSAGE_ERROR, parent);
}
/**
* eel_show_yes_no_dialog:
*
* Create and show a dialog asking a question with two choices.
* The caller needs to set up any necessary callbacks
* for the buttons. Use eel_create_question_dialog instead
* if any visual changes need to be made, to avoid flashiness.
* @question: The text of the question.
* @yes_label: The label of the "yes" button.
* @no_label: The label of the "no" button.
* @parent: The parent window for this dialog.
*/
GtkDialog *
eel_show_yes_no_dialog (const char *primary_text,
const char *secondary_text,
const char *yes_label,
const char *no_label,
GtkWindow *parent)
{
GtkDialog *dialog = NULL;
dialog = eel_create_question_dialog (primary_text,
secondary_text,
no_label, GTK_RESPONSE_CANCEL,
yes_label, GTK_RESPONSE_YES,
GTK_WINDOW (parent));
gtk_widget_show (GTK_WIDGET (dialog));
return dialog;
}
/**
* eel_create_question_dialog:
*
* Create a dialog asking a question with at least two choices.
* The caller needs to set up any necessary callbacks
* for the buttons. The dialog is not yet shown, so that the
* caller can add additional buttons or make other visual changes
* without causing flashiness.
* @question: The text of the question.
* @answer_0: The label of the leftmost button (index 0)
* @answer_1: The label of the 2nd-to-leftmost button (index 1)
* @parent: The parent window for this dialog.
*/
GtkDialog *
eel_create_question_dialog (const char *primary_text,
const char *secondary_text,
const char *answer_1,
int response_1,
const char *answer_2,
int response_2,
GtkWindow *parent)
{
GtkDialog *dialog;
dialog = create_message_dialog (primary_text,
secondary_text,
GTK_MESSAGE_QUESTION,
GTK_BUTTONS_NONE,
parent);
gtk_dialog_add_buttons (dialog, answer_1, response_1, answer_2, response_2, NULL);
return dialog;
}
|