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

1 files changed, 148 insertions, 0 deletions

diff --git a/a11y/calendar/ea-calendar-helpers.c b/a11y/calendar/ea-calendar-helpers.c
new file mode 100644
index 0000000000..e8b0d3aa9c
--- /dev/null
+++ b/a11y/calendar/ea-calendar-helpers.c
@@ -0,0 +1,148 @@
+/* -*- 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;
+}