diff options
Diffstat (limited to 'calendar/gui/a11y/ea-day-view.c')
-rw-r--r-- | calendar/gui/a11y/ea-day-view.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/calendar/gui/a11y/ea-day-view.c b/calendar/gui/a11y/ea-day-view.c new file mode 100644 index 0000000000..107f983bb0 --- /dev/null +++ b/calendar/gui/a11y/ea-day-view.c @@ -0,0 +1,277 @@ +/* + * 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-day-view.h" +#include "ea-cal-view-event.h" + +#include "ea-calendar-helpers.h" +#include "ea-gnome-calendar.h" +#include "calendar-commands.h" +#include <glib.h> +#include <glib/gi18n.h> + +static void ea_day_view_class_init (EaDayViewClass *klass); + +static G_CONST_RETURN gchar* ea_day_view_get_name (AtkObject *accessible); +static G_CONST_RETURN gchar* ea_day_view_get_description (AtkObject *accessible); +static gint ea_day_view_get_n_children (AtkObject *obj); +static AtkObject* ea_day_view_ref_child (AtkObject *obj, + gint i); +static gpointer parent_class = NULL; + +GType +ea_day_view_get_type (void) +{ + static GType type = 0; + AtkObjectFactory *factory; + GTypeQuery query; + GType derived_atk_type; + + if (!type) { + static GTypeInfo tinfo = { + sizeof (EaDayViewClass), + (GBaseInitFunc) NULL, /* base init */ + (GBaseFinalizeFunc) NULL, /* base finalize */ + (GClassInitFunc) ea_day_view_class_init, /* class init */ + (GClassFinalizeFunc) NULL, /* class finalize */ + NULL, /* class data */ + sizeof (EaDayView), /* 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 (EaCalView, in this case) + * + * Note: we must still use run-time deriving here, because + * our parent class EaCalView is run-time deriving. + */ + + factory = atk_registry_get_factory (atk_get_default_registry (), + e_calendar_view_get_type()); + 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, + "EaDayView", &tinfo, 0); + } + + return type; +} + +static void +ea_day_view_class_init (EaDayViewClass *klass) +{ + AtkObjectClass *class = ATK_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + class->get_name = ea_day_view_get_name; + class->get_description = ea_day_view_get_description; + + class->get_n_children = ea_day_view_get_n_children; + class->ref_child = ea_day_view_ref_child; +} + +AtkObject* +ea_day_view_new (GtkWidget *widget) +{ + GObject *object; + AtkObject *accessible; + + g_return_val_if_fail (E_IS_DAY_VIEW (widget), NULL); + + object = g_object_new (EA_TYPE_DAY_VIEW, NULL); + + accessible = ATK_OBJECT (object); + atk_object_initialize (accessible, widget); + +#ifdef ACC_DEBUG + printf ("EvoAcc: ea_day_view created %p\n", (void *)accessible); +#endif + + return accessible; +} + +static G_CONST_RETURN gchar* +ea_day_view_get_name (AtkObject *accessible) +{ + EDayView *day_view; + GnomeCalendar *gcal; + const gchar *label_text; + GnomeCalendarViewType view_type; + gint n_events; + gchar *event_str, *name_str; + + g_return_val_if_fail (EA_IS_DAY_VIEW (accessible), NULL); + + if (!GTK_ACCESSIBLE (accessible)->widget) + return NULL; + + day_view = E_DAY_VIEW (GTK_ACCESSIBLE (accessible)->widget); + gcal = e_calendar_view_get_calendar (E_CALENDAR_VIEW (day_view)); + if (!GTK_WIDGET_VISIBLE (GTK_WIDGET (gcal))) + return NULL; + + label_text = ea_gnome_calendar_get_label_description (gcal); + + n_events = atk_object_get_n_accessible_children (accessible); + /* the child main item is always there */ + --n_events; + if (n_events >= 1) + /* To translators: Here, "It" is either like "Work Week View: July + 10th - July 14th, 2006." or "Day View: Thursday July 13th, 2006." */ + event_str = g_strdup_printf (ngettext ("It has %d event.", "It has %d events.", n_events), n_events); + else + /* To translators: Here, "It" is either like "Work Week View: July + 10th - July 14th, 2006." or "Day View: Thursday July 13th, 2006." */ + event_str = g_strdup (_("It has no events.")); + + view_type = gnome_calendar_get_view (gcal); + if (view_type == GNOME_CAL_WORK_WEEK_VIEW) + /* To translators: First %s is the week, for example "July 10th - + July 14th, 2006". Second %s is the number of events in this work + week, for example "It has %d event/events." or "It has no events." */ + name_str = g_strdup_printf (_("Work Week View: %s. %s"), + label_text, event_str); + else + /* To translators: First %s is the day, for example "Thursday July + 13th, 2006". Second %s is the number of events on this day, for + example "It has %d event/events." or "It has no events." */ + name_str = g_strdup_printf (_("Day View: %s. %s"), + label_text, event_str); + + ATK_OBJECT_CLASS (parent_class)->set_name (accessible, name_str); + g_free (name_str); + g_free (event_str); + + return accessible->name; +} + +static G_CONST_RETURN gchar* +ea_day_view_get_description (AtkObject *accessible) +{ + EDayView *day_view; + + g_return_val_if_fail (EA_IS_DAY_VIEW (accessible), NULL); + + if (!GTK_ACCESSIBLE (accessible)->widget) + return NULL; + day_view = E_DAY_VIEW (GTK_ACCESSIBLE (accessible)->widget); + + if (accessible->description) + return accessible->description; + else { + GnomeCalendar *gcal; + GnomeCalendarViewType view_type; + + gcal = e_calendar_view_get_calendar (E_CALENDAR_VIEW (day_view)); + view_type = gnome_calendar_get_view (gcal); + + if (view_type == GNOME_CAL_WORK_WEEK_VIEW) + return _("calendar view for a work week"); + else + return _("calendar view for one or more days"); + } +} + +static gint +ea_day_view_get_n_children (AtkObject *accessible) +{ + EDayView *day_view; + gint day; + gint child_num = 0; + + g_return_val_if_fail (EA_IS_DAY_VIEW (accessible), -1); + + if (!GTK_ACCESSIBLE (accessible)->widget) + return -1; + + day_view = E_DAY_VIEW (GTK_ACCESSIBLE (accessible)->widget); + + child_num += day_view->long_events->len; + + for (day = 0; day < day_view->days_shown; day++) { + child_num += day_view->events[day]->len; + } + + /* "+1" for the main item */ + return child_num + 1; +} + +static AtkObject * +ea_day_view_ref_child (AtkObject *accessible, gint index) +{ + EDayView *day_view; + gint child_num; + gint day; + AtkObject *atk_object = NULL; + EDayViewEvent *event = NULL; + + g_return_val_if_fail (EA_IS_DAY_VIEW (accessible), NULL); + + child_num = atk_object_get_n_accessible_children (accessible); + if (child_num <= 0 || index < 0 || index >= child_num) + return NULL; + + if (!GTK_ACCESSIBLE (accessible)->widget) + return NULL; + day_view = E_DAY_VIEW (GTK_ACCESSIBLE (accessible)->widget); + + if (index == 0) { + /* index == 0 is the main item */ + atk_object = atk_gobject_accessible_for_object (G_OBJECT (day_view->main_canvas_item)); + g_object_ref (atk_object); + } + else { + --index; + /* a long event */ + if (index < day_view->long_events->len) { + event = &g_array_index (day_view->long_events, + EDayViewEvent, index); + } + else { + index -= day_view->long_events->len; + day = 0; + while (index >= day_view->events[day]->len) { + index -= day_view->events[day]->len; + ++day; + } + + event = &g_array_index (day_view->events[day], + EDayViewEvent, index); + } + if (event && event->canvas_item) { + /* Not use atk_gobject_accessible_for_object here, + * we need to do special thing here + */ + atk_object = ea_calendar_helpers_get_accessible_for (event->canvas_item); + g_object_ref (atk_object); + } + } + return atk_object; +} |