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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 * Bolian Yin <bolian.yin@sun.com>
18 *
19 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
20 *
21 */
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #include "ea-cal-view.h"
28 #include "ea-calendar-helpers.h"
29 #include "e-day-view.h"
30 #include "e-week-view.h"
31 #include "dialogs/goto-dialog.h"
32 #include <glib/gi18n.h>
33
34 static void ea_cal_view_class_init (EaCalViewClass *klass);
35
36 static AtkObject * ea_cal_view_get_parent (AtkObject *accessible);
37 static void ea_cal_view_real_initialize (AtkObject *accessible, gpointer data);
38
39 static void ea_cal_view_event_changed_cb (ECalendarView *cal_view,
40 ECalendarViewEvent *event,
41 gpointer data);
42 static void ea_cal_view_event_added_cb (ECalendarView *cal_view,
43 ECalendarViewEvent *event,
44 gpointer data);
45
46 static gboolean idle_dates_changed (gpointer data);
47 static void ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data);
48
49 static void atk_action_interface_init (AtkActionIface *iface);
50 static gboolean action_interface_do_action (AtkAction *action, gint i);
51 static gint action_interface_get_n_actions (AtkAction *action);
52 static const gchar *
53 action_interface_get_description
54 (AtkAction *action,
55 gint i);
56 static const gchar *
57 action_interface_get_keybinding
58 (AtkAction *action,
59 gint i);
60 static const gchar *
61 action_interface_action_get_name
62 (AtkAction *action,
63 gint i);
64
65 static gpointer parent_class = NULL;
66
67 GType
68 ea_cal_view_get_type (void)
69 {
70 static GType type = 0;
71 AtkObjectFactory *factory;
72 GTypeQuery query;
73 GType derived_atk_type;
74
75 if (!type) {
76 static GTypeInfo tinfo = {
77 sizeof (EaCalViewClass),
78 (GBaseInitFunc) NULL, /* base init */
79 (GBaseFinalizeFunc) NULL, /* base finalize */
80 (GClassInitFunc) ea_cal_view_class_init, /* class init */
81 (GClassFinalizeFunc) NULL, /* class finalize */
82 NULL, /* class data */
83 sizeof (EaCalView), /* instance size */
84 0, /* nb preallocs */
85 (GInstanceInitFunc) NULL, /* instance init */
86 NULL /* value table */
87 };
88
89 static const GInterfaceInfo atk_action_info = {
90 (GInterfaceInitFunc) atk_action_interface_init,
91 (GInterfaceFinalizeFunc) NULL,
92 NULL
93 };
94
95 /*
96 * Figure out the size of the class and instance
97 * we are run-time deriving from (GailWidget, in this case)
98 */
99
100 factory = atk_registry_get_factory (
101 atk_get_default_registry (),
102 GTK_TYPE_WIDGET);
103 derived_atk_type = atk_object_factory_get_accessible_type (factory);
104 g_type_query (derived_atk_type, &query);
105
106 tinfo.class_size = query.class_size;
107 tinfo.instance_size = query.instance_size;
108
109 type = g_type_register_static (
110 derived_atk_type,
111 "EaCalView", &tinfo, 0);
112 g_type_add_interface_static (
113 type, ATK_TYPE_ACTION,
114 &atk_action_info);
115 }
116
117 return type;
118 }
119
120 static void
121 ea_cal_view_class_init (EaCalViewClass *klass)
122 {
123 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
124
125 parent_class = g_type_class_peek_parent (klass);
126
127 class->get_parent = ea_cal_view_get_parent;
128 class->initialize = ea_cal_view_real_initialize;
129 }
130
131 AtkObject *
132 ea_cal_view_new (GtkWidget *widget)
133 {
134 GObject *object;
135 AtkObject *accessible;
136
137 g_return_val_if_fail (E_IS_CALENDAR_VIEW (widget), NULL);
138
139 object = g_object_new (EA_TYPE_CAL_VIEW, NULL);
140
141 accessible = ATK_OBJECT (object);
142 atk_object_initialize (accessible, widget);
143
144 return accessible;
145 }
146
147 static void
148 ea_cal_view_real_initialize (AtkObject *accessible,
149 gpointer data)
150 {
151 ECalendarView *cal_view;
152 GnomeCalendar *gcal;
153 static AtkRole role = ATK_ROLE_INVALID;
154
155 g_return_if_fail (EA_IS_CAL_VIEW (accessible));
156 g_return_if_fail (E_IS_CALENDAR_VIEW (data));
157
158 ATK_OBJECT_CLASS (parent_class)->initialize (accessible, data);
159 if (role == ATK_ROLE_INVALID)
160 role = atk_role_register ("Calendar View");
161 accessible->role = role;
162 cal_view = E_CALENDAR_VIEW (data);
163
164 /* add listener for event_changed, event_added
165 * we don't need to listen on event_removed. When the e_text
166 * of the event is removed, the cal_view_event will go to the state
167 * of "defunct" (changed by weak ref callback of atkgobjectaccessible
168 */
169 g_signal_connect (
170 cal_view, "event_changed",
171 G_CALLBACK (ea_cal_view_event_changed_cb), NULL);
172 g_signal_connect (
173 cal_view, "event_added",
174 G_CALLBACK (ea_cal_view_event_added_cb), NULL);
175
176 /* listen for date changes of calendar */
177 gcal = e_calendar_view_get_calendar (cal_view);
178
179 if (gcal)
180 g_signal_connect (
181 gcal, "dates_shown_changed",
182 G_CALLBACK (ea_cal_view_dates_change_cb), accessible);
183 }
184
185 static AtkObject *
186 ea_cal_view_get_parent (AtkObject *accessible)
187 {
188 ECalendarView *cal_view;
189 GtkWidget *widget;
190
191 g_return_val_if_fail (EA_IS_CAL_VIEW (accessible), NULL);
192
193 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
194 if (widget == NULL)
195 return NULL;
196
197 cal_view = E_CALENDAR_VIEW (widget);
198
199 return gtk_widget_get_accessible (gtk_widget_get_parent (GTK_WIDGET (cal_view)));
200 }
201
202 static void
203 ea_cal_view_event_changed_cb (ECalendarView *cal_view,
204 ECalendarViewEvent *event,
205 gpointer data)
206 {
207 AtkObject *atk_obj;
208 AtkObject *event_atk_obj = NULL;
209
210 g_return_if_fail (E_IS_CALENDAR_VIEW (cal_view));
211
212 atk_obj = gtk_widget_get_accessible (GTK_WIDGET (cal_view));
213 if (!EA_IS_CAL_VIEW (atk_obj))
214 return;
215
216 if ((E_IS_DAY_VIEW (cal_view)) && event && event->canvas_item) {
217 event_atk_obj =
218 ea_calendar_helpers_get_accessible_for (event->canvas_item);
219 }
220 else if ((E_IS_WEEK_VIEW (cal_view)) && event) {
221 EWeekViewEventSpan *span;
222 EWeekViewEvent *week_view_event = (EWeekViewEvent *) event;
223 EWeekView *week_view = E_WEEK_VIEW (cal_view);
224 /* get the first span of the event */
225 span = &g_array_index (week_view->spans, EWeekViewEventSpan,
226 week_view_event->spans_index);
227 if (span && span->text_item)
228 event_atk_obj =
229 ea_calendar_helpers_get_accessible_for (
230 span->text_item);
231 }
232 if (event_atk_obj) {
233 #ifdef ACC_DEBUG
234 printf ("AccDebug: event=%p changed\n", (gpointer) event);
235 #endif
236 g_object_notify (G_OBJECT (event_atk_obj), "accessible-name");
237 g_signal_emit_by_name (event_atk_obj, "visible_data_changed");
238 }
239
240 }
241
242 static void
243 ea_cal_view_event_added_cb (ECalendarView *cal_view,
244 ECalendarViewEvent *event,
245 gpointer data)
246 {
247 AtkObject *atk_obj;
248 AtkObject *event_atk_obj = NULL;
249 gint index;
250
251 g_return_if_fail (E_IS_CALENDAR_VIEW (cal_view));
252
253 atk_obj = gtk_widget_get_accessible (GTK_WIDGET (cal_view));
254 if (!EA_IS_CAL_VIEW (atk_obj))
255 return;
256
257 if ((E_IS_DAY_VIEW (cal_view)) && event && event->canvas_item) {
258 event_atk_obj =
259 ea_calendar_helpers_get_accessible_for (event->canvas_item);
260 }
261 else if ((E_IS_WEEK_VIEW (cal_view)) && event) {
262 EWeekViewEventSpan *span;
263 EWeekViewEvent *week_view_event = (EWeekViewEvent *) event;
264 EWeekView *week_view = E_WEEK_VIEW (cal_view);
265 /* get the first span of the event */
266 span = &g_array_index (
267 week_view->spans, EWeekViewEventSpan,
268 week_view_event->spans_index);
269 if (span && span->text_item)
270 event_atk_obj =
271 ea_calendar_helpers_get_accessible_for (
272 span->text_item);
273
274 }
275 if (event_atk_obj) {
276 index = atk_object_get_index_in_parent (event_atk_obj);
277 if (index < 0)
278 return;
279 #ifdef ACC_DEBUG
280 printf ("AccDebug: event=%p added\n", (gpointer) event);
281 #endif
282 g_signal_emit_by_name (
283 atk_obj, "children_changed::add",
284 index, event_atk_obj, NULL);
285 }
286 }
287
288 static gboolean
289 idle_dates_changed (gpointer data)
290 {
291 AtkObject *ea_cal_view;
292
293 g_return_val_if_fail (data, FALSE);
294 g_return_val_if_fail (EA_IS_CAL_VIEW (data), FALSE);
295
296 ea_cal_view = ATK_OBJECT (data);
297
298 if (ea_cal_view->name) {
299 g_free (ea_cal_view->name);
300 ea_cal_view->name = NULL;
301 }
302 g_object_notify (G_OBJECT (ea_cal_view), "accessible-name");
303 g_signal_emit_by_name (ea_cal_view, "visible_data_changed");
304 g_signal_emit_by_name (ea_cal_view, "children_changed", NULL, NULL, NULL);
305 #ifdef ACC_DEBUG
306 printf ("AccDebug: cal view date changed\n");
307 #endif
308
309 return FALSE;
310 }
311
312 static void
313 ea_cal_view_dates_change_cb (GnomeCalendar *gcal,
314 gpointer data)
315 {
316 g_idle_add (idle_dates_changed, data);
317 }
318
319 /* atk action interface */
320
321 #define CAL_VIEW_ACTION_NUM 5
322
323 static const gchar * action_name[CAL_VIEW_ACTION_NUM] = {
324 N_("New Appointment"),
325 N_("New All Day Event"),
326 N_("New Meeting"),
327 N_("Go to Today"),
328 N_("Go to Date")
329 };
330
331 static void
332 atk_action_interface_init (AtkActionIface *iface)
333 {
334 g_return_if_fail (iface != NULL);
335
336 iface->do_action = action_interface_do_action;
337 iface->get_n_actions = action_interface_get_n_actions;
338 iface->get_description = action_interface_get_description;
339 iface->get_keybinding = action_interface_get_keybinding;
340 iface->get_name = action_interface_action_get_name;
341 }
342
343 static gboolean
344 action_interface_do_action (AtkAction *action,
345 gint index)
346 {
347 GtkWidget *widget;
348 gboolean return_value = TRUE;
349 time_t dtstart, dtend;
350 ECalendarView *cal_view;
351
352 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
353 if (widget == NULL)
354 /*
355 * State is defunct
356 */
357 return FALSE;
358
359 if (!gtk_widget_get_sensitive (widget) || !gtk_widget_get_visible (widget))
360 return FALSE;
361
362 cal_view = E_CALENDAR_VIEW (widget);
363 switch (index) {
364 case 0:
365 /* New Appointment */
366 e_calendar_view_new_appointment (cal_view);
367 break;
368 case 1:
369 /* New All Day Event */
370 e_calendar_view_get_selected_time_range (cal_view,
371 &dtstart, &dtend);
372 e_calendar_view_new_appointment_for (cal_view,
373 dtstart, dtend, TRUE, FALSE);
374 break;
375 case 2:
376 /* New Meeting */
377 e_calendar_view_get_selected_time_range (cal_view,
378 &dtstart, &dtend);
379 e_calendar_view_new_appointment_for (cal_view,
380 dtstart, dtend, FALSE, TRUE);
381 break;
382 #if 0 /* FIXME Have to go through GnomeCalendar */
383 case 3:
384 /* Go to today */
385 break;
386 calendar_goto_today (e_calendar_view_get_calendar (cal_view));
387 case 4:
388 /* Go to date */
389 goto_dialog (e_calendar_view_get_calendar (cal_view));
390 break;
391 #endif
392 default:
393 return_value = FALSE;
394 break;
395 }
396 return return_value;
397 }
398
399 static gint
400 action_interface_get_n_actions (AtkAction *action)
401 {
402 return CAL_VIEW_ACTION_NUM;
403 }
404
405 static const gchar *
406 action_interface_get_description (AtkAction *action,
407 gint index)
408 {
409 return action_interface_action_get_name (action, index);
410 }
411
412 static const gchar *
413 action_interface_get_keybinding (AtkAction *action,
414 gint index)
415 {
416 GtkWidget *widget;
417
418 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
419 if (widget == NULL)
420 /*
421 * State is defunct
422 */
423 return NULL;
424
425 if (!gtk_widget_get_sensitive (widget) || !gtk_widget_get_visible (widget))
426 return NULL;
427
428 switch (index) {
429 case 0:
430 /* New Appointment */
431 return "<Alt>fna;<Control>n";
432 case 1:
433 /* New Event */
434 return "<Alt>fnd;<Shift><Control>d";
435 case 2:
436 /* New Meeting */
437 return "<Alt>fne;<Shift><Control>e";
438 case 3:
439 /* Go to today */
440 return "<Alt>vt;<Alt><Control>t";
441 case 4:
442 /* Go to date */
443 return "<Alt>vd;<Alt><Control>g";
444 default:
445 break;
446 }
447 return NULL;
448 }
449
450 static const gchar *
451 action_interface_action_get_name (AtkAction *action,
452 gint i)
453 {
454 if (i >= 0 && i < CAL_VIEW_ACTION_NUM)
455 return action_name[i];
456 return NULL;
457 }