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Diffstat (limited to 'a11y/calendar/ea-day-view.c')
| -rw-r--r-- | a11y/calendar/ea-day-view.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/a11y/calendar/ea-day-view.c b/a11y/calendar/ea-day-view.c new file mode 100644 index 0000000000..65cfb31752 --- /dev/null +++ b/a11y/calendar/ea-day-view.c @@ -0,0 +1,245 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* vim:expandtab:shiftwidth=8:tabstop=8: + */ +/* Evolution Accessibility: ea-day-view.c + * + * Copyright (C) 2003 Ximian, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Bolian Yin <bolian.yin@sun.com> Sun Microsystem Inc., 2003 + * + */ + +#include "ea-day-view.h" +#include "ea-cal-view-event.h" + +#include "ea-calendar-helpers.h" +#include "calendar-commands.h" +#include <glib/gstrfuncs.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_cal_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", accessible); +#endif + + return accessible; +} + +static G_CONST_RETURN gchar* +ea_day_view_get_name (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->name) { + GnomeCalendar *gcal; + const gchar *label_text; + GnomeCalendarViewType view_type; + + gcal = e_cal_view_get_calendar (E_CAL_VIEW (day_view)); + label_text = calendar_get_text_for_folder_bar_label (gcal); + + view_type = gnome_calendar_get_view (gcal); + if (view_type == GNOME_CAL_WORK_WEEK_VIEW) + accessible->name = g_strconcat ("work week view :", + label_text, + NULL); + else + accessible->name = g_strconcat ("day view :", + label_text, NULL); + } + 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_cal_view_get_calendar (E_CAL_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; + } + + return child_num; +} + +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); + + /* 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; +} |