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, 271 insertions, 0 deletions

diff --git a/a11y/calendar/ea-cal-view.c b/a11y/calendar/ea-cal-view.c
new file mode 100644
index 0000000000..f31d24cc55
--- /dev/null
+++ b/a11y/calendar/ea-cal-view.c
@@ -0,0 +1,271 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+/* Evolution Accessibility: ea-cal-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-cal-view.h"
+#include "ea-calendar-helpers.h"
+#include "e-day-view.h"
+#include "e-week-view.h"
+#include "calendar-commands.h"
+#include <glib/gstrfuncs.h>
+
+static void ea_cal_view_class_init (EaCalViewClass *klass);
+
+static AtkObject* ea_cal_view_get_parent (AtkObject *accessible);
+static gint ea_cal_view_get_index_in_parent (AtkObject *accessible);
+static void ea_cal_view_real_initialize (AtkObject *accessible, gpointer data);
+
+static void ea_cal_view_event_changed_cb (ECalView *cal_view,
+                                          ECalViewEvent *event, gpointer data);
+static void ea_cal_view_event_added_cb (ECalView *cal_view,
+                                        ECalViewEvent *event, gpointer data);
+
+static void ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data);
+
+static gpointer parent_class = NULL;
+
+GType
+ea_cal_view_get_type (void)
+{
+	static GType type = 0;
+	AtkObjectFactory *factory;
+	GTypeQuery query;
+	GType derived_atk_type;
+
+	if (!type) {
+		static GTypeInfo tinfo = {
+			sizeof (EaCalViewClass),
+			(GBaseInitFunc) NULL, /* base init */
+			(GBaseFinalizeFunc) NULL, /* base finalize */
+			(GClassInitFunc) ea_cal_view_class_init, /* class init */
+			(GClassFinalizeFunc) NULL, /* class finalize */
+			NULL, /* class data */
+			sizeof (EaCalView), /* 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,
+					       "EaCalView", &tinfo, 0);
+	}
+
+	return type;
+}
+
+static void
+ea_cal_view_class_init (EaCalViewClass *klass)
+{
+	AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+
+	parent_class = g_type_class_peek_parent (klass);
+
+	class->get_parent = ea_cal_view_get_parent;
+	class->get_index_in_parent = ea_cal_view_get_index_in_parent;
+	class->initialize = ea_cal_view_real_initialize;
+}
+
+AtkObject* 
+ea_cal_view_new (GtkWidget *widget)
+{
+	GObject *object;
+	AtkObject *accessible;
+
+	g_return_val_if_fail (E_IS_CAL_VIEW (widget), NULL);
+
+	object = g_object_new (EA_TYPE_CAL_VIEW, NULL);
+
+	accessible = ATK_OBJECT (object);
+	atk_object_initialize (accessible, widget);
+
+	return accessible;
+}
+
+static void
+ea_cal_view_real_initialize (AtkObject *accessible, gpointer data)
+{
+	ECalView *cal_view;
+	GnomeCalendar *gcal;
+
+	g_return_if_fail (EA_IS_CAL_VIEW (accessible));
+	g_return_if_fail (E_IS_CAL_VIEW (data));
+
+        ATK_OBJECT_CLASS (parent_class)->initialize (accessible, data);
+	accessible->role = ATK_ROLE_CANVAS;
+	cal_view = E_CAL_VIEW (data);
+
+	/* add listener for event_changed, event_added
+	 * we don't need to listen on event_removed. When the e_text
+	 * of the event is removed, the cal_view_event will go to the state
+	 * of "defunct" (changed by weak ref callback of atkgobjectaccessible
+	 */
+	g_signal_connect (G_OBJECT(cal_view), "event_changed",
+			  G_CALLBACK (ea_cal_view_event_changed_cb), NULL);
+	g_signal_connect (G_OBJECT(cal_view), "event_added",
+			  G_CALLBACK (ea_cal_view_event_added_cb), NULL);
+
+	/* listen for date changes of calendar */
+	gcal = e_cal_view_get_calendar (cal_view);
+
+	if (gcal)
+		g_signal_connect (gcal, "dates_shown_changed",
+				  G_CALLBACK (ea_cal_view_dates_change_cb),
+				  accessible);
+}
+
+static AtkObject* 
+ea_cal_view_get_parent (AtkObject *accessible)
+{
+	ECalView *cal_view;
+	GnomeCalendar *gnomeCalendar;
+
+	g_return_val_if_fail (EA_IS_CAL_VIEW (accessible), NULL);
+
+	if (!GTK_ACCESSIBLE (accessible)->widget)
+		return NULL;
+	cal_view = E_CAL_VIEW (GTK_ACCESSIBLE (accessible)->widget);
+
+	gnomeCalendar = e_cal_view_get_calendar (cal_view);
+
+	return gtk_widget_get_accessible (GTK_WIDGET(gnomeCalendar));
+}
+
+static gint
+ea_cal_view_get_index_in_parent (AtkObject *accessible)
+{
+	return 1;
+}
+
+static void
+ea_cal_view_event_changed_cb (ECalView *cal_view, ECalViewEvent *event,
+                              gpointer data)
+{
+	AtkObject *atk_obj;
+	EaCalView *ea_cal_view;
+	AtkObject *event_atk_obj = NULL;
+
+	g_return_if_fail (E_IS_CAL_VIEW (cal_view));
+
+	atk_obj = gtk_widget_get_accessible (GTK_WIDGET(cal_view));
+	if (!EA_IS_CAL_VIEW (atk_obj))
+		return;
+	ea_cal_view = EA_CAL_VIEW (atk_obj);
+
+	if ((E_IS_DAY_VIEW (cal_view)) && event && event->canvas_item) {
+		event_atk_obj =
+			ea_calendar_helpers_get_accessible_for (event->canvas_item);
+	}
+	else if ((E_IS_WEEK_VIEW (cal_view)) && event) {
+		EWeekViewEventSpan *span;
+		EWeekViewEvent *week_view_event = (EWeekViewEvent *)event;
+		EWeekView *week_view = E_WEEK_VIEW (cal_view);
+		/* get the first span of the event */
+		span = &g_array_index (week_view->spans, EWeekViewEventSpan,
+				       week_view_event->spans_index);
+		if (span && span->text_item)
+			event_atk_obj = ea_calendar_helpers_get_accessible_for (span->text_item);
+	}
+	if (event_atk_obj) {
+#ifdef ACC_DEBUG
+		printf ("AccDebug: event=%p changed\n", event);
+#endif
+		g_object_notify (G_OBJECT(event_atk_obj), "accessible-name");
+		g_signal_emit_by_name (event_atk_obj, "visible_data_changed");
+	}
+
+}
+
+static void
+ea_cal_view_event_added_cb (ECalView *cal_view, ECalViewEvent *event,
+                            gpointer data)
+{
+	AtkObject *atk_obj;
+	EaCalView *ea_cal_view;
+	AtkObject *event_atk_obj = NULL;
+	gint index;
+
+	g_return_if_fail (E_IS_CAL_VIEW (cal_view));
+
+	atk_obj = gtk_widget_get_accessible (GTK_WIDGET(cal_view));
+	if (!EA_IS_CAL_VIEW (atk_obj))
+		return;
+	ea_cal_view = EA_CAL_VIEW (atk_obj);
+
+	if ((E_IS_DAY_VIEW (cal_view)) && event && event->canvas_item) {
+		event_atk_obj =
+			ea_calendar_helpers_get_accessible_for (event->canvas_item);
+	}
+	else if ((E_IS_WEEK_VIEW (cal_view)) && event) {
+		EWeekViewEventSpan *span;
+		EWeekViewEvent *week_view_event = (EWeekViewEvent *)event;
+		EWeekView *week_view = E_WEEK_VIEW (cal_view);
+		/* get the first span of the event */
+		span = &g_array_index (week_view->spans, EWeekViewEventSpan,
+				       week_view_event->spans_index);
+		if (span && span->text_item)
+			event_atk_obj = ea_calendar_helpers_get_accessible_for (span->text_item);
+
+	}
+	if (event_atk_obj) {
+		index = atk_object_get_index_in_parent (event_atk_obj);
+		if (index < 0)
+			return;
+#ifdef ACC_DEBUG
+		printf ("AccDebug: event=%p added\n", event);
+#endif
+		g_signal_emit_by_name (atk_obj, "children_changed::add",
+				       index, event_atk_obj, NULL);
+	}
+}
+
+static void
+ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data)
+{
+	AtkObject *atk_obj;
+
+	g_return_if_fail (GNOME_IS_CALENDAR (gcal));
+	g_return_if_fail (data);
+	g_return_if_fail (EA_IS_CAL_VIEW (data));
+
+	atk_obj = ATK_OBJECT(data);
+	if (atk_obj->name) {
+		g_free (atk_obj->name);
+		atk_obj->name = NULL;
+	}
+	g_object_notify (G_OBJECT (data), "accessible-name");
+	g_signal_emit_by_name (data, "visible_data_changed");
+}