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1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU Lesser General Public
4 * License as published by the Free Software Foundation; either
5 * version 2 of the License, or (at your option) version 3.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * You should have received a copy of the GNU Lesser General Public
13 * License along with the program; if not, see <http://www.gnu.org/licenses/>
14 *
15 *
16 * Authors:
17 * Michael Zucchi <notzed@ximian.com>
18 * Jonathon Jongsma <jonathon.jongsma@collabora.co.uk>
19 *
20 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
21 * Copyright (C) 2009 Intel Corporation
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27
28 #include <glib/gi18n.h>
29
30 #include "e-alert-dialog.h"
31
32 #define E_ALERT_DIALOG_GET_PRIVATE(obj) \
33 (G_TYPE_INSTANCE_GET_PRIVATE \
34 ((obj), E_TYPE_ALERT_DIALOG, EAlertDialogPrivate))
35
36 struct _EAlertDialogPrivate {
37 GtkWidget *content_area; /* not referenced */
38 EAlert *alert;
39 };
40
41 enum {
42 PROP_0,
43 PROP_ALERT
44 };
45
46 G_DEFINE_TYPE (
47 EAlertDialog,
48 e_alert_dialog,
49 GTK_TYPE_DIALOG)
50
51 static void
52 alert_dialog_set_alert (EAlertDialog *dialog,
53 EAlert *alert)
54 {
55 g_return_if_fail (E_IS_ALERT (alert));
56 g_return_if_fail (dialog->priv->alert == NULL);
57
58 dialog->priv->alert = g_object_ref (alert);
59 }
60
61 static void
62 alert_dialog_set_property (GObject *object,
63 guint property_id,
64 const GValue *value,
65 GParamSpec *pspec)
66 {
67 switch (property_id) {
68 case PROP_ALERT:
69 alert_dialog_set_alert (
70 E_ALERT_DIALOG (object),
71 g_value_get_object (value));
72 return;
73 }
74
75 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
76 }
77
78 static void
79 alert_dialog_get_property (GObject *object,
80 guint property_id,
81 GValue *value,
82 GParamSpec *pspec)
83 {
84 switch (property_id) {
85 case PROP_ALERT:
86 g_value_set_object (
87 value, e_alert_dialog_get_alert (
88 E_ALERT_DIALOG (object)));
89 return;
90 }
91
92 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
93 }
94
95 static void
96 alert_dialog_dispose (GObject *object)
97 {
98 EAlertDialogPrivate *priv;
99
100 priv = E_ALERT_DIALOG_GET_PRIVATE (object);
101
102 if (priv->alert) {
103 g_signal_handlers_disconnect_matched (
104 priv->alert, G_SIGNAL_MATCH_DATA,
105 0, 0, NULL, NULL, object);
106 g_object_unref (priv->alert);
107 priv->alert = NULL;
108 }
109
110 /* Chain up to parent's dispose() method. */
111 G_OBJECT_CLASS (e_alert_dialog_parent_class)->dispose (object);
112 }
113
114 static void
115 alert_dialog_constructed (GObject *object)
116 {
117 EAlert *alert;
118 EAlertDialog *dialog;
119 GtkWidget *action_area;
120 GtkWidget *content_area;
121 GtkWidget *container;
122 GtkWidget *widget;
123 PangoAttribute *attr;
124 PangoAttrList *list;
125 GList *actions;
126 const gchar *primary, *secondary;
127 gint default_response;
128 gint min_width = -1, prefer_width = -1;
129 gint height;
130
131 /* Chain up to parent's constructed() method. */
132 G_OBJECT_CLASS (e_alert_dialog_parent_class)->constructed (object);
133
134 dialog = E_ALERT_DIALOG (object);
135 alert = e_alert_dialog_get_alert (dialog);
136
137 default_response = e_alert_get_default_response (alert);
138
139 gtk_window_set_title (GTK_WINDOW (dialog), " ");
140
141 action_area = gtk_dialog_get_action_area (GTK_DIALOG (dialog));
142 content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
143
144 gtk_widget_ensure_style (GTK_WIDGET (dialog));
145 gtk_container_set_border_width (GTK_CONTAINER (action_area), 12);
146 gtk_container_set_border_width (GTK_CONTAINER (content_area), 0);
147
148 gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
149
150 /* Forward EAlert::response signals to GtkDialog::response. */
151 g_signal_connect_swapped (
152 alert, "response",
153 G_CALLBACK (gtk_dialog_response), dialog);
154
155 /* Add buttons from actions. */
156 actions = e_alert_peek_actions (alert);
157 if (!actions) {
158 GtkAction *action;
159
160 /* Make sure there is at least one action, thus the dialog can be closed. */
161 action = gtk_action_new (
162 "alert-response-0", _("_Dismiss"), NULL, NULL);
163 e_alert_add_action (alert, action, GTK_RESPONSE_CLOSE);
164 g_object_unref (action);
165
166 actions = e_alert_peek_actions (alert);
167 }
168
169 while (actions != NULL) {
170 GtkWidget *button;
171 gpointer data;
172
173 /* These actions are already wired to trigger an
174 * EAlert::response signal when activated, which
175 * will in turn call to gtk_dialog_response(),
176 * so we can add buttons directly to the action
177 * area without knowing their response IDs.
178 * (XXX Well, kind of. See below.) */
179
180 button = gtk_button_new ();
181
182 gtk_widget_set_can_default (button, TRUE);
183
184 gtk_activatable_set_related_action (
185 GTK_ACTIVATABLE (button),
186 GTK_ACTION (actions->data));
187
188 gtk_box_pack_end (
189 GTK_BOX (action_area),
190 button, FALSE, FALSE, 0);
191
192 /* This is set in e_alert_add_action(). */
193 data = g_object_get_data (
194 actions->data, "e-alert-response-id");
195
196 /* Normally GtkDialog sets the initial focus widget to
197 * the button corresponding to the default response, but
198 * because the buttons are not directly tied to response
199 * IDs, we have set both the default widget and the
200 * initial focus widget ourselves. */
201 if (GPOINTER_TO_INT (data) == default_response) {
202 gtk_widget_grab_default (button);
203 gtk_widget_grab_focus (button);
204 }
205
206 actions = g_list_next (actions);
207 }
208
209 widget = gtk_hbox_new (FALSE, 12);
210 gtk_container_set_border_width (GTK_CONTAINER (widget), 12);
211 gtk_box_pack_start (GTK_BOX (content_area), widget, FALSE, FALSE, 0);
212 gtk_widget_show (widget);
213
214 container = widget;
215
216 widget = e_alert_create_image (alert, GTK_ICON_SIZE_DIALOG);
217 gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.0);
218 gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
219 gtk_widget_show (widget);
220
221 widget = gtk_vbox_new (FALSE, 12);
222 gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
223 dialog->priv->content_area = widget;
224 gtk_widget_show (widget);
225
226 container = widget;
227
228 primary = e_alert_get_primary_text (alert);
229 secondary = e_alert_get_secondary_text (alert);
230
231 list = pango_attr_list_new ();
232 attr = pango_attr_scale_new (PANGO_SCALE_LARGE);
233 pango_attr_list_insert (list, attr);
234 attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
235 pango_attr_list_insert (list, attr);
236
237 widget = gtk_label_new (primary);
238 gtk_label_set_attributes (GTK_LABEL (widget), list);
239 gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
240 gtk_label_set_selectable (GTK_LABEL (widget), TRUE);
241 gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.0);
242 gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
243 gtk_widget_set_can_focus (widget, FALSE);
244 gtk_widget_show (widget);
245
246 widget = gtk_label_new (secondary);
247 gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
248 gtk_label_set_selectable (GTK_LABEL (widget), TRUE);
249 gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.0);
250 gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
251 gtk_widget_set_can_focus (widget, FALSE);
252 gtk_widget_show (widget);
253
254 widget = GTK_WIDGET (dialog);
255
256 height = gtk_widget_get_allocated_height (widget);
257 gtk_widget_get_preferred_width_for_height (
258 widget, height, &min_width, &prefer_width);
259 if (min_width < prefer_width)
260 gtk_window_set_default_size (
261 GTK_WINDOW (dialog), MIN (
262 (min_width + prefer_width) / 2,
263 min_width * 5 / 4), -1);
264
265 pango_attr_list_unref (list);
266 }
267
268 static void
269 e_alert_dialog_class_init (EAlertDialogClass *class)
270 {
271 GObjectClass *object_class;
272
273 g_type_class_add_private (class, sizeof (EAlertDialogPrivate));
274
275 object_class = G_OBJECT_CLASS (class);
276 object_class->set_property = alert_dialog_set_property;
277 object_class->get_property = alert_dialog_get_property;
278 object_class->dispose = alert_dialog_dispose;
279 object_class->constructed = alert_dialog_constructed;
280
281 g_object_class_install_property (
282 object_class,
283 PROP_ALERT,
284 g_param_spec_object (
285 "alert",
286 "Alert",
287 "Alert to be displayed",
288 E_TYPE_ALERT,
289 G_PARAM_READWRITE |
290 G_PARAM_CONSTRUCT_ONLY |
291 G_PARAM_STATIC_STRINGS));
292 }
293
294 static void
295 e_alert_dialog_init (EAlertDialog *dialog)
296 {
297 dialog->priv = E_ALERT_DIALOG_GET_PRIVATE (dialog);
298 }
299
300 GtkWidget *
301 e_alert_dialog_new (GtkWindow *parent,
302 EAlert *alert)
303 {
304 g_return_val_if_fail (E_IS_ALERT (alert), NULL);
305
306 return g_object_new (
307 E_TYPE_ALERT_DIALOG,
308 "alert", alert, "transient-for", parent, NULL);
309 }
310
311 GtkWidget *
312 e_alert_dialog_new_for_args (GtkWindow *parent,
313 const gchar *tag,
314 ...)
315 {
316 GtkWidget *dialog;
317 EAlert *alert;
318 va_list ap;
319
320 g_return_val_if_fail (tag != NULL, NULL);
321
322 va_start (ap, tag);
323 alert = e_alert_new_valist (tag, ap);
324 va_end (ap);
325
326 dialog = e_alert_dialog_new (parent, alert);
327
328 g_object_unref (alert);
329
330 return dialog;
331 }
332
333 gint
334 e_alert_run_dialog (GtkWindow *parent,
335 EAlert *alert)
336 {
337 GtkWidget *dialog;
338 gint response;
339
340 g_return_val_if_fail (E_IS_ALERT (alert), 0);
341
342 dialog = e_alert_dialog_new (parent, alert);
343 response = gtk_dialog_run (GTK_DIALOG (dialog));
344 gtk_widget_destroy (dialog);
345
346 return response;
347 }
348
349 gint
350 e_alert_run_dialog_for_args (GtkWindow *parent,
351 const gchar *tag,
352 ...)
353 {
354 EAlert *alert;
355 gint response;
356 va_list ap;
357
358 g_return_val_if_fail (tag != NULL, 0);
359
360 va_start (ap, tag);
361 alert = e_alert_new_valist (tag, ap);
362 va_end (ap);
363
364 response = e_alert_run_dialog (parent, alert);
365
366 g_object_unref (alert);
367
368 return response;
369 }
370
371 /**
372 * e_alert_dialog_get_alert:
373 * @dialog: an #EAlertDialog
374 *
375 * Returns the #EAlert associated with @dialog.
376 *
377 * Returns: the #EAlert associated with @dialog
378 **/
379 EAlert *
380 e_alert_dialog_get_alert (EAlertDialog *dialog)
381 {
382 g_return_val_if_fail (E_IS_ALERT_DIALOG (dialog), NULL);
383
384 return dialog->priv->alert;
385 }
386
387 /**
388 * e_alert_dialog_get_content_area:
389 * @dialog: an #EAlertDialog
390 *
391 * Returns the vertical box containing the primary and secondary labels.
392 * Use this to pack additional widgets into the dialog with the proper
393 * horizontal alignment (maintaining the left margin below the image).
394 *
395 * Returns: the content area #GtkBox
396 **/
397 GtkWidget *
398 e_alert_dialog_get_content_area (EAlertDialog *dialog)
399 {
400 g_return_val_if_fail (E_IS_ALERT_DIALOG (dialog), NULL);
401
402 return dialog->priv->content_area;
403 }