diff options
Diffstat (limited to 'calendar/gui/a11y/ea-gnome-calendar.c')
-rw-r--r-- | calendar/gui/a11y/ea-gnome-calendar.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/calendar/gui/a11y/ea-gnome-calendar.c b/calendar/gui/a11y/ea-gnome-calendar.c new file mode 100644 index 0000000000..4d6e752b8e --- /dev/null +++ b/calendar/gui/a11y/ea-gnome-calendar.c @@ -0,0 +1,351 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Bolian Yin <bolian.yin@sun.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include "ea-gnome-calendar.h" +#include "calendar-commands.h" +#include <string.h> +#include <gtk/gtk.h> +#include <libecal/e-cal-time-util.h> +#include <libedataserver/e-data-server-util.h> +#include <glib/gi18n.h> + +static void ea_gnome_calendar_class_init (EaGnomeCalendarClass *klass); + +static G_CONST_RETURN gchar* ea_gnome_calendar_get_name (AtkObject *accessible); +static G_CONST_RETURN gchar* ea_gnome_calendar_get_description (AtkObject *accessible); +static gint ea_gnome_calendar_get_n_children (AtkObject* obj); +static AtkObject * ea_gnome_calendar_ref_child (AtkObject *obj, gint i); + +static void ea_gcal_switch_view_cb (GtkNotebook *widget, GtkNotebookPage *page, + guint index, gpointer data); +static void ea_gcal_dates_change_cb (GnomeCalendar *gcal, gpointer data); + +static gpointer parent_class = NULL; + +GType +ea_gnome_calendar_get_type (void) +{ + static GType type = 0; + AtkObjectFactory *factory; + GTypeQuery query; + GType derived_atk_type; + + if (!type) { + static GTypeInfo tinfo = { + sizeof (EaGnomeCalendarClass), + (GBaseInitFunc) NULL, /* base init */ + (GBaseFinalizeFunc) NULL, /* base finalize */ + (GClassInitFunc) ea_gnome_calendar_class_init, /* class init */ + (GClassFinalizeFunc) NULL, /* class finalize */ + NULL, /* class data */ + sizeof (EaGnomeCalendar), /* instance size */ + 0, /* nb preallocs */ + (GInstanceInitFunc) NULL, /* instance init */ + NULL /* value table */ + }; + + /* + * Figure out the size of the class and instance + * we are run-time deriving from (GailWidget, in this case) + */ + + factory = atk_registry_get_factory (atk_get_default_registry (), + GTK_TYPE_WIDGET); + derived_atk_type = atk_object_factory_get_accessible_type (factory); + g_type_query (derived_atk_type, &query); + tinfo.class_size = query.class_size; + tinfo.instance_size = query.instance_size; + + type = g_type_register_static (derived_atk_type, + "EaGnomeCalendar", &tinfo, 0); + + } + + return type; +} + +static void +ea_gnome_calendar_class_init (EaGnomeCalendarClass *klass) +{ + AtkObjectClass *class = ATK_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + class->get_name = ea_gnome_calendar_get_name; + class->get_description = ea_gnome_calendar_get_description; + + class->get_n_children = ea_gnome_calendar_get_n_children; + class->ref_child = ea_gnome_calendar_ref_child; +} + +AtkObject* +ea_gnome_calendar_new (GtkWidget *widget) +{ + GObject *object; + AtkObject *accessible; + GnomeCalendar *gcal; + GtkWidget *notebook; + + g_return_val_if_fail (GNOME_IS_CALENDAR (widget), NULL); + + object = g_object_new (EA_TYPE_GNOME_CALENDAR, NULL); + + accessible = ATK_OBJECT (object); + atk_object_initialize (accessible, widget); + + accessible->role = ATK_ROLE_FILLER; + + gcal = GNOME_CALENDAR (widget); + + /* listen on view type change + */ + g_signal_connect (widget, "dates_shown_changed", + G_CALLBACK (ea_gcal_dates_change_cb), + accessible); + notebook = gnome_calendar_get_view_notebook_widget (gcal); + if (notebook) { + g_signal_connect (notebook, "switch_page", + G_CALLBACK (ea_gcal_switch_view_cb), + accessible); + } + +#ifdef ACC_DEBUG + printf ("EvoAcc: ea-gnome-calendar created: %p\n", (void *)accessible); +#endif + + return accessible; +} + +const gchar * +ea_gnome_calendar_get_label_description (GnomeCalendar *gcal) +{ + icaltimezone *zone; + struct icaltimetype start_tt, end_tt; + time_t start_time, end_time; + struct tm start_tm, end_tm; + static char buffer[512]; + char end_buffer[256]; + GnomeCalendarViewType view; + + gnome_calendar_get_visible_time_range (gcal, &start_time, &end_time); + zone = gnome_calendar_get_timezone (gcal); + + start_tt = icaltime_from_timet_with_zone (start_time, FALSE, zone); + start_tm.tm_year = start_tt.year - 1900; + start_tm.tm_mon = start_tt.month - 1; + start_tm.tm_mday = start_tt.day; + start_tm.tm_hour = start_tt.hour; + start_tm.tm_min = start_tt.minute; + start_tm.tm_sec = start_tt.second; + start_tm.tm_isdst = -1; + start_tm.tm_wday = time_day_of_week (start_tt.day, start_tt.month - 1, + start_tt.year); + + /* Take one off end_time so we don't get an extra day. */ + end_tt = icaltime_from_timet_with_zone (end_time - 1, FALSE, zone); + end_tm.tm_year = end_tt.year - 1900; + end_tm.tm_mon = end_tt.month - 1; + end_tm.tm_mday = end_tt.day; + end_tm.tm_hour = end_tt.hour; + end_tm.tm_min = end_tt.minute; + end_tm.tm_sec = end_tt.second; + end_tm.tm_isdst = -1; + end_tm.tm_wday = time_day_of_week (end_tt.day, end_tt.month - 1, + end_tt.year); + + view = gnome_calendar_get_view (gcal); + + switch (view) { + case GNOME_CAL_DAY_VIEW: + case GNOME_CAL_WORK_WEEK_VIEW: + case GNOME_CAL_WEEK_VIEW: + if (start_tm.tm_year == end_tm.tm_year + && start_tm.tm_mon == end_tm.tm_mon + && start_tm.tm_mday == end_tm.tm_mday) { + e_utf8_strftime (buffer, sizeof (buffer), + _("%A %d %b %Y"), &start_tm); + } else if (start_tm.tm_year == end_tm.tm_year) { + e_utf8_strftime (buffer, sizeof (buffer), + _("%a %d %b"), &start_tm); + e_utf8_strftime (end_buffer, sizeof (end_buffer), + _("%a %d %b %Y"), &end_tm); + strcat (buffer, " - "); + strcat (buffer, end_buffer); + } else { + e_utf8_strftime (buffer, sizeof (buffer), + _("%a %d %b %Y"), &start_tm); + e_utf8_strftime (end_buffer, sizeof (end_buffer), + _("%a %d %b %Y"), &end_tm); + strcat (buffer, " - "); + strcat (buffer, end_buffer); + } + break; + case GNOME_CAL_MONTH_VIEW: + case GNOME_CAL_LIST_VIEW: + if (start_tm.tm_year == end_tm.tm_year) { + if (start_tm.tm_mon == end_tm.tm_mon) { + if (start_tm.tm_mday == end_tm.tm_mday) { + buffer [0] = '\0'; + } else { + e_utf8_strftime (buffer, sizeof (buffer), + "%d", &start_tm); + strcat (buffer, " - "); + } + e_utf8_strftime (end_buffer, sizeof (end_buffer), + _("%d %b %Y"), &end_tm); + strcat (buffer, end_buffer); + } else { + e_utf8_strftime (buffer, sizeof (buffer), + _("%d %b"), &start_tm); + e_utf8_strftime (end_buffer, sizeof (end_buffer), + _("%d %b %Y"), &end_tm); + strcat (buffer, " - "); + strcat (buffer, end_buffer); + } + } else { + e_utf8_strftime (buffer, sizeof (buffer), + _("%d %b %Y"), &start_tm); + e_utf8_strftime (end_buffer, sizeof (end_buffer), + _("%d %b %Y"), &end_tm); + strcat (buffer, " - "); + strcat (buffer, end_buffer); + } + break; + default: + g_return_val_if_reached (NULL); + } + return buffer; +} + +static G_CONST_RETURN gchar* +ea_gnome_calendar_get_name (AtkObject *accessible) +{ + if (accessible->name) + return accessible->name; + return _("Gnome Calendar"); +} + +static G_CONST_RETURN gchar* +ea_gnome_calendar_get_description (AtkObject *accessible) +{ + if (accessible->description) + return accessible->description; + return _("Gnome Calendar"); +} + +static gint +ea_gnome_calendar_get_n_children (AtkObject* obj) +{ + g_return_val_if_fail (EA_IS_GNOME_CALENDAR (obj), 0); + + if (!GTK_ACCESSIBLE (obj)->widget) + return -1; + return 4; +} + +static AtkObject * +ea_gnome_calendar_ref_child (AtkObject *obj, gint i) +{ + AtkObject * child = NULL; + GnomeCalendar * calendarWidget; + GtkWidget *childWidget; + + g_return_val_if_fail (EA_IS_GNOME_CALENDAR (obj), NULL); + /* valid child index range is [0-3] */ + if (i < 0 || i >3 ) + return NULL; + + if (!GTK_ACCESSIBLE (obj)->widget) + return NULL; + calendarWidget = GNOME_CALENDAR (GTK_ACCESSIBLE (obj)->widget); + + switch (i) { + case 0: + /* for the search bar */ + childWidget = gnome_calendar_get_search_bar_widget (calendarWidget); + child = gtk_widget_get_accessible (childWidget); + atk_object_set_parent (child, obj); + atk_object_set_name (child, _("search bar")); + atk_object_set_description (child, _("evolution calendar search bar")); + break; + case 1: + /* for the day/week view */ + childWidget = gnome_calendar_get_current_view_widget (calendarWidget); + child = gtk_widget_get_accessible (childWidget); + atk_object_set_parent (child, obj); + break; + case 2: + /* for calendar */ + childWidget = gnome_calendar_get_e_calendar_widget (calendarWidget); + child = gtk_widget_get_accessible (childWidget); + break; + case 3: + /* for todo list */ + childWidget = GTK_WIDGET (gnome_calendar_get_task_pad (calendarWidget)); + child = gtk_widget_get_accessible (childWidget); + break; + default: + break; + } + if (child) + g_object_ref(child); + return child; +} + +static void +ea_gcal_switch_view_cb (GtkNotebook *widget, GtkNotebookPage *page, + guint index, gpointer data) +{ + GtkWidget *new_widget; + + new_widget = gtk_notebook_get_nth_page (widget, index); + + /* views are always the second child in gnome calendar + */ + if (new_widget) + g_signal_emit_by_name (G_OBJECT(data), "children_changed::add", + 1, gtk_widget_get_accessible (new_widget), NULL); + +#ifdef ACC_DEBUG + printf ("AccDebug: view switch to widget %p (index=%d) \n", + (void *)new_widget, index); +#endif +} + +static void +ea_gcal_dates_change_cb (GnomeCalendar *gcal, gpointer data) +{ + const gchar *new_name; + + g_return_if_fail (GNOME_IS_CALENDAR (gcal)); + g_return_if_fail (data); + g_return_if_fail (EA_IS_GNOME_CALENDAR (data)); + + new_name = ea_gnome_calendar_get_label_description (gcal); + atk_object_set_name (ATK_OBJECT(data), new_name); + g_signal_emit_by_name (data, "visible_data_changed"); + +#ifdef ACC_DEBUG + printf ("AccDebug: calendar dates changed, label=%s\n", new_name); +#endif +} |