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authorBolian Yin <bolian.yin@sun.com>2003-08-20 15:46:05 +0800
committerBolian Yin <byin@src.gnome.org>2003-08-20 15:46:05 +0800
commit7bb25afd430ffab77397d9fc4e6b756251ba31d8 (patch)
treee5aed36d5b6b60807223983ed3f03bf77c75fccf /a11y/calendar/ea-calendar-helpers.c
parent432977b820abd0093e6f68f81bd7c01fafc3536f (diff)
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setup the a11y directory for evolution accessibility work New files are:
2003-08-20 Bolian Yin <bolian.yin@sun.com> setup the a11y directory for evolution accessibility work New files are: ChangeLog ea-factory.h Makefile.am calendar/ea-calendar.c calendar/ea-calendar.h calendar/ea-calendar-helpers.c calendar/ea-calendar-helpers.h calendar/ea-cal-view.c calendar/ea-cal-view.h calendar/ea-cal-view-event.c calendar/ea-cal-view-event.h calendar/ea-day-view.c calendar/ea-day-view.h calendar/ea-week-view.c calendar/ea-week-view.h calendar/ea-gnome-calendar.c calendar/ea-gnome-calendar.h calendar/Makefile.am svn path=/trunk/; revision=22302
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+/* Evolution Accessibility: ea-calendar-helpers.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-calendar-helpers.h"
+#include "ea-cal-view-event.h"
+#include "e-day-view.h"
+#include "e-week-view.h"
+
+#include <gal/e-text/e-text.h>
+
+/**
+ * ea_calendar_helpers_get_accessible_for
+ * @canvas_item: the canvas item (e_text) for a event
+ * @returns: the atk object for the canvas_item
+ *
+ **/
+AtkObject *
+ea_calendar_helpers_get_accessible_for (GnomeCanvasItem *canvas_item)
+{
+ AtkObject *atk_obj = NULL;
+ GObject *g_obj;
+
+ g_return_val_if_fail (E_IS_TEXT (canvas_item), NULL);
+
+ g_obj = G_OBJECT (canvas_item);
+ /* we cannot use atk_gobject_accessible_for_object here,
+ * EaDayViewEvent/EaWeekViewEvent cannot be created by the
+ * registered facotry of E_TEXT
+ */
+ atk_obj = g_object_get_data (g_obj, "accessible-object");
+ if (!atk_obj)
+ atk_obj = ea_cal_view_event_new (g_obj);
+ return atk_obj;
+}
+
+/**
+ * ea_calendar_helpers_get_view_widget_from:
+ * @canvas_item: the canvas item (e_text) for a event
+ * @returns: the cal view widget if exists
+ *
+ * Get the cal view widget contains the canvas_item.
+ *
+ **/
+ECalView *
+ea_calendar_helpers_get_cal_view_from (GnomeCanvasItem *canvas_item)
+{
+ GnomeCanvas *canvas;
+ GtkWidget *view_widget = NULL;
+
+ g_return_val_if_fail (canvas_item, NULL);
+ g_return_val_if_fail (E_IS_TEXT (canvas_item), NULL);
+
+ /* canvas_item is the e_text for the event */
+ /* canvas_item->canvas is the ECanvas for day view */
+ /* parent of canvas_item->canvas is the EDayView or EWeekView widget */
+ canvas = canvas_item->canvas;
+ view_widget = gtk_widget_get_parent (GTK_WIDGET(canvas));
+ if (!view_widget || !E_IS_CAL_VIEW (view_widget))
+ return NULL;
+ return E_CAL_VIEW (view_widget);
+}
+
+/**
+ * ea_calendar_helpers_get_cal_view_event_from
+ * @canvas_item: the cavas_item (e_text) for the event
+ * @returns: the ECalViewEvent
+ *
+ * Get the ECalViewEvent for the canvas_item.
+ *
+ **/
+ECalViewEvent *
+ea_calendar_helpers_get_cal_view_event_from (GnomeCanvasItem *canvas_item)
+{
+ ECalView *cal_view;
+ gboolean event_found;
+ ECalViewEvent *cal_view_event;
+
+ g_return_val_if_fail (E_IS_TEXT (canvas_item), NULL);
+
+ cal_view = ea_calendar_helpers_get_cal_view_from (canvas_item);
+
+ if (!cal_view)
+ return NULL;
+
+ if (E_IS_DAY_VIEW (cal_view)) {
+ gint event_day, event_num;
+ EDayViewEvent *day_view_event;
+ EDayView *day_view = E_DAY_VIEW (cal_view);
+ event_found = e_day_view_find_event_from_item (day_view, canvas_item,
+ &event_day, &event_num);
+ if (!event_found)
+ return NULL;
+ if (event_day == E_DAY_VIEW_LONG_EVENT) {
+ /* a long event */
+ day_view_event = &g_array_index (day_view->long_events,
+ EDayViewEvent, event_num);
+ }
+ else {
+ /* a main canvas event */
+ day_view_event = &g_array_index (day_view->events[event_day],
+ EDayViewEvent, event_num);
+ }
+ cal_view_event = (ECalViewEvent *) day_view_event;
+ }
+ else if (E_IS_WEEK_VIEW (cal_view)) {
+ gint event_num, span_num;
+ EWeekViewEvent *week_view_event;
+ EWeekView *week_view = E_WEEK_VIEW (cal_view);
+ event_found = e_week_view_find_event_from_item (week_view,
+ canvas_item,
+ &event_num,
+ &span_num);
+ if (!event_found)
+ return NULL;
+
+ week_view_event = &g_array_index (week_view->events, EWeekViewEvent,
+ event_num);
+
+ cal_view_event = (ECalViewEvent *)week_view_event;
+ }
+ else {
+ g_assert_not_reached ();
+ return NULL;
+ }
+ return cal_view_event;
+}