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1 /*
2 *
3 * This program is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2 of the License, or (at your option) version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with the program; if not, see <http://www.gnu.org/licenses/>
15 *
16 *
17 * Authors:
18 * Bolian Yin <bolian.yin@sun.com>
19 *
20 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
21 *
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27
28 #include "ea-gnome-calendar.h"
29 #include "e-calendar-view.h"
30 #include <string.h>
31 #include <gtk/gtk.h>
32 #include <glib/gi18n.h>
33
34 static void ea_gnome_calendar_class_init (EaGnomeCalendarClass *klass);
35
36 static gint ea_gnome_calendar_get_n_children (AtkObject * obj);
37 static AtkObject * ea_gnome_calendar_ref_child (AtkObject *obj, gint i);
38
39 static void ea_gcal_dates_change_cb (GnomeCalendar *gcal, gpointer data);
40
41 static gpointer parent_class = NULL;
42
43 static const gchar *
44 ea_gnome_calendar_get_name (AtkObject *accessible)
45 {
46 if (accessible->name)
47 return accessible->name;
48 return _("Gnome Calendar");
49 }
50
51 static const gchar *
52 ea_gnome_calendar_get_description (AtkObject *accessible)
53 {
54 if (accessible->description)
55 return accessible->description;
56 return _("Gnome Calendar");
57 }
58
59 GType
60 ea_gnome_calendar_get_type (void)
61 {
62 static GType type = 0;
63 AtkObjectFactory *factory;
64 GTypeQuery query;
65 GType derived_atk_type;
66
67 if (!type) {
68 static GTypeInfo tinfo = {
69 sizeof (EaGnomeCalendarClass),
70 (GBaseInitFunc) NULL, /* base init */
71 (GBaseFinalizeFunc) NULL, /* base finalize */
72 (GClassInitFunc) ea_gnome_calendar_class_init, /* class init */
73 (GClassFinalizeFunc) NULL, /* class finalize */
74 NULL, /* class data */
75 sizeof (EaGnomeCalendar), /* instance size */
76 0, /* nb preallocs */
77 (GInstanceInitFunc) NULL, /* instance init */
78 NULL /* value table */
79 };
80
81 /*
82 * Figure out the size of the class and instance
83 * we are run-time deriving from (GailWidget, in this case)
84 */
85
86 factory = atk_registry_get_factory (
87 atk_get_default_registry (),
88 GTK_TYPE_WIDGET);
89 derived_atk_type = atk_object_factory_get_accessible_type (factory);
90 g_type_query (derived_atk_type, &query);
91 tinfo.class_size = query.class_size;
92 tinfo.instance_size = query.instance_size;
93
94 type = g_type_register_static (
95 derived_atk_type,
96 "EaGnomeCalendar", &tinfo, 0);
97
98 }
99
100 return type;
101 }
102
103 static void
104 ea_gnome_calendar_class_init (EaGnomeCalendarClass *klass)
105 {
106 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
107
108 parent_class = g_type_class_peek_parent (klass);
109
110 class->get_name = ea_gnome_calendar_get_name;
111 class->get_description = ea_gnome_calendar_get_description;
112
113 class->get_n_children = ea_gnome_calendar_get_n_children;
114 class->ref_child = ea_gnome_calendar_ref_child;
115 }
116
117 AtkObject *
118 ea_gnome_calendar_new (GtkWidget *widget)
119 {
120 GObject *object;
121 AtkObject *accessible;
122
123 g_return_val_if_fail (GNOME_IS_CALENDAR (widget), NULL);
124
125 object = g_object_new (EA_TYPE_GNOME_CALENDAR, NULL);
126
127 accessible = ATK_OBJECT (object);
128 atk_object_initialize (accessible, widget);
129
130 accessible->role = ATK_ROLE_FILLER;
131
132 /* listen on view type change
133 */
134 g_signal_connect (
135 widget, "dates_shown_changed",
136 G_CALLBACK (ea_gcal_dates_change_cb), accessible);
137
138 #ifdef ACC_DEBUG
139 printf ("EvoAcc: ea-gnome-calendar created: %p\n", (gpointer) accessible);
140 #endif
141
142 return accessible;
143 }
144
145 const gchar *
146 ea_gnome_calendar_get_label_description (GnomeCalendar *gcal)
147 {
148 GnomeCalendarViewType view_type;
149 ECalendarView *calendar_view;
150 ECalModel *model;
151 icaltimezone *zone;
152 struct icaltimetype start_tt, end_tt;
153 time_t start_time, end_time;
154 struct tm start_tm, end_tm;
155 static gchar buffer[512];
156 gchar end_buffer[256];
157 GnomeCalendarViewType view;
158
159 model = gnome_calendar_get_model (gcal);
160 zone = e_cal_model_get_timezone (model);
161
162 view_type = gnome_calendar_get_view (gcal);
163 calendar_view = gnome_calendar_get_calendar_view (gcal, view_type);
164
165 e_calendar_view_get_visible_time_range (
166 calendar_view, &start_time, &end_time);
167
168 start_tt = icaltime_from_timet_with_zone (start_time, FALSE, zone);
169 start_tm.tm_year = start_tt.year - 1900;
170 start_tm.tm_mon = start_tt.month - 1;
171 start_tm.tm_mday = start_tt.day;
172 start_tm.tm_hour = start_tt.hour;
173 start_tm.tm_min = start_tt.minute;
174 start_tm.tm_sec = start_tt.second;
175 start_tm.tm_isdst = -1;
176 start_tm.tm_wday = time_day_of_week (
177 start_tt.day, start_tt.month - 1,
178 start_tt.year);
179
180 /* Take one off end_time so we don't get an extra day. */
181 end_tt = icaltime_from_timet_with_zone (end_time - 1, FALSE, zone);
182 end_tm.tm_year = end_tt.year - 1900;
183 end_tm.tm_mon = end_tt.month - 1;
184 end_tm.tm_mday = end_tt.day;
185 end_tm.tm_hour = end_tt.hour;
186 end_tm.tm_min = end_tt.minute;
187 end_tm.tm_sec = end_tt.second;
188 end_tm.tm_isdst = -1;
189 end_tm.tm_wday = time_day_of_week (
190 end_tt.day, end_tt.month - 1,
191 end_tt.year);
192
193 view = gnome_calendar_get_view (gcal);
194
195 switch (view) {
196 case GNOME_CAL_DAY_VIEW:
197 case GNOME_CAL_WORK_WEEK_VIEW:
198 case GNOME_CAL_WEEK_VIEW:
199 if (start_tm.tm_year == end_tm.tm_year
200 && start_tm.tm_mon == end_tm.tm_mon
201 && start_tm.tm_mday == end_tm.tm_mday) {
202 e_utf8_strftime (
203 buffer, sizeof (buffer),
204 _("%A %d %b %Y"), &start_tm);
205 } else if (start_tm.tm_year == end_tm.tm_year) {
206 e_utf8_strftime (
207 buffer, sizeof (buffer),
208 _("%a %d %b"), &start_tm);
209 e_utf8_strftime (
210 end_buffer, sizeof (end_buffer),
211 _("%a %d %b %Y"), &end_tm);
212 strcat (buffer, " - ");
213 strcat (buffer, end_buffer);
214 } else {
215 e_utf8_strftime (
216 buffer, sizeof (buffer),
217 _("%a %d %b %Y"), &start_tm);
218 e_utf8_strftime (
219 end_buffer, sizeof (end_buffer),
220 _("%a %d %b %Y"), &end_tm);
221 strcat (buffer, " - ");
222 strcat (buffer, end_buffer);
223 }
224 break;
225 case GNOME_CAL_MONTH_VIEW:
226 case GNOME_CAL_LIST_VIEW:
227 if (start_tm.tm_year == end_tm.tm_year) {
228 if (start_tm.tm_mon == end_tm.tm_mon) {
229 if (start_tm.tm_mday == end_tm.tm_mday) {
230 buffer[0] = '\0';
231 } else {
232 e_utf8_strftime (
233 buffer, sizeof (buffer),
234 "%d", &start_tm);
235 strcat (buffer, " - ");
236 }
237 e_utf8_strftime (
238 end_buffer, sizeof (end_buffer),
239 _("%d %b %Y"), &end_tm);
240 strcat (buffer, end_buffer);
241 } else {
242 e_utf8_strftime (
243 buffer, sizeof (buffer),
244 _("%d %b"), &start_tm);
245 e_utf8_strftime (
246 end_buffer, sizeof (end_buffer),
247 _("%d %b %Y"), &end_tm);
248 strcat (buffer, " - ");
249 strcat (buffer, end_buffer);
250 }
251 } else {
252 e_utf8_strftime (
253 buffer, sizeof (buffer),
254 _("%d %b %Y"), &start_tm);
255 e_utf8_strftime (
256 end_buffer, sizeof (end_buffer),
257 _("%d %b %Y"), &end_tm);
258 strcat (buffer, " - ");
259 strcat (buffer, end_buffer);
260 }
261 break;
262 default:
263 g_return_val_if_reached (NULL);
264 }
265 return buffer;
266 }
267
268 static gint
269 ea_gnome_calendar_get_n_children (AtkObject *obj)
270 {
271 g_return_val_if_fail (EA_IS_GNOME_CALENDAR (obj), 0);
272
273 if (gtk_accessible_get_widget (GTK_ACCESSIBLE (obj)) == NULL)
274 return -1;
275
276 return 2;
277 }
278
279 static AtkObject *
280 ea_gnome_calendar_ref_child (AtkObject *obj,
281 gint i)
282 {
283 AtkObject * child = NULL;
284 GnomeCalendar * calendarWidget;
285 GnomeCalendarViewType view_type;
286 ECalendarView *view;
287 ECalendar *date_navigator;
288 GtkWidget *childWidget;
289 GtkWidget *widget;
290
291 g_return_val_if_fail (EA_IS_GNOME_CALENDAR (obj), NULL);
292 /* valid child index range is [0-3] */
293 if (i < 0 || i >3)
294 return NULL;
295
296 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
297 if (widget == NULL)
298 return NULL;
299
300 calendarWidget = GNOME_CALENDAR (widget);
301
302 switch (i) {
303 case 0:
304 /* for the day/week view */
305 view_type = gnome_calendar_get_view (calendarWidget);
306 view = gnome_calendar_get_calendar_view (calendarWidget, view_type);
307 childWidget = GTK_WIDGET (view);
308 child = gtk_widget_get_accessible (childWidget);
309 atk_object_set_parent (child, obj);
310 break;
311 case 1:
312 /* for calendar */
313 date_navigator = gnome_calendar_get_date_navigator (calendarWidget);
314 childWidget = GTK_WIDGET (date_navigator);
315 child = gtk_widget_get_accessible (childWidget);
316 break;
317 default:
318 break;
319 }
320 if (child)
321 g_object_ref (child);
322 return child;
323 }
324
325 static void
326 ea_gcal_dates_change_cb (GnomeCalendar *gcal,
327 gpointer data)
328 {
329 const gchar *new_name;
330
331 g_return_if_fail (GNOME_IS_CALENDAR (gcal));
332 g_return_if_fail (data);
333 g_return_if_fail (EA_IS_GNOME_CALENDAR (data));
334
335 new_name = ea_gnome_calendar_get_label_description (gcal);
336 atk_object_set_name (ATK_OBJECT (data), new_name);
337 g_signal_emit_by_name (data, "visible_data_changed");
338
339 #ifdef ACC_DEBUG
340 printf ("AccDebug: calendar dates changed, label=%s\n", new_name);
341 #endif
342 }