Fixes # 48509

2003-11-04  Bolian Yin <bolian.yin@sun.com>

        Fixes # 48509

        * new files:
                ea-cell-table.h ea-cell-table.c
        * calendar/Makefile.am: add entries for new files
        * calendar/New files added:
                ea-day-view-main-item.c ea-day-view-main-item.h
                ea-day-view-cell.c ea-day-view-cell.h
        * Add debug info and remove some non-C99 compilers warnings.
        * calendar/ea-cal-view: add action interface.

svn path=/trunk/; revision=23180

1 files changed, 1259 insertions, 0 deletions

diff --git a/a11y/calendar/ea-day-view-main-item.c b/a11y/calendar/ea-day-view-main-item.c
new file mode 100644
index 0000000000..970550a139
--- /dev/null
+++ b/a11y/calendar/ea-day-view-main-item.c
@@ -0,0 +1,1259 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+/* Evolution Accessibility: ea-day-view-main-item.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-main-item.h"
+#include "e-day-view-top-item.h"
+#include "ea-day-view.h"
+#include "ea-day-view-cell.h"
+#include "ea-cell-table.h"
+
+/* EaDayViewMainItem */
+static void ea_day_view_main_item_class_init (EaDayViewMainItemClass *klass);
+
+static void ea_day_view_main_item_finalize (GObject *object);
+static G_CONST_RETURN gchar* ea_day_view_main_item_get_name (AtkObject *accessible);
+static G_CONST_RETURN gchar* ea_day_view_main_item_get_description (AtkObject *accessible);
+
+static gint         ea_day_view_main_item_get_n_children (AtkObject *obj);
+static AtkObject*   ea_day_view_main_item_ref_child (AtkObject *obj,
+						     gint i);
+static AtkObject * ea_day_view_main_item_get_parent (AtkObject *accessible);
+static gint ea_day_view_main_item_get_index_in_parent (AtkObject *accessible);
+
+/* callbacks */
+static void ea_day_view_main_item_dates_change_cb (GnomeCalendar *gcal, gpointer data);
+static void ea_day_view_main_item_time_change_cb (EDayView *day_view, gpointer data);
+
+/* component interface */
+static void atk_component_interface_init (AtkComponentIface *iface);
+static void component_interface_get_extents (AtkComponent *component,
+					     gint *x, gint *y,
+					     gint *width, gint *height,
+					     AtkCoordType coord_type);
+/* atk table interface */
+static void atk_table_interface_init (AtkTableIface *iface);
+static gint table_interface_get_index_at (AtkTable *table,
+					  gint     row,
+					  gint     column);
+static gint table_interface_get_column_at_index (AtkTable *table,
+						 gint     index);
+static gint table_interface_get_row_at_index (AtkTable *table,
+					      gint     index);
+static AtkObject* table_interface_ref_at (AtkTable *table,
+					  gint     row, 
+					  gint     column);
+static gint table_interface_get_n_rows (AtkTable *table);
+static gint table_interface_get_n_columns (AtkTable *table);
+static gint table_interface_get_column_extent_at (AtkTable      *table,
+						  gint          row,
+						  gint          column);
+static gint table_interface_get_row_extent_at (AtkTable      *table,
+					       gint          row,
+					       gint          column);
+
+static gboolean table_interface_is_row_selected (AtkTable *table,
+						 gint     row);
+static gboolean table_interface_is_column_selected (AtkTable *table,
+						    gint     row);
+static gboolean table_interface_is_selected (AtkTable *table,
+					     gint     row,
+					     gint     column);
+static gint table_interface_get_selected_rows (AtkTable *table,
+					       gint **rows_selected);
+static gint table_interface_get_selected_columns (AtkTable *table,
+						  gint     **columns_selected);
+static gboolean table_interface_add_row_selection (AtkTable *table, gint row);
+static gboolean table_interface_remove_row_selection (AtkTable *table,
+						      gint row);
+static gboolean table_interface_add_column_selection (AtkTable *table,
+						      gint column);
+static gboolean table_interface_remove_column_selection (AtkTable *table,
+							 gint column);
+static AtkObject* table_interface_get_row_header (AtkTable *table, gint row);
+static AtkObject* table_interface_get_column_header (AtkTable *table,
+						     gint in_col);
+static AtkObject* table_interface_get_caption (AtkTable *table);
+
+static G_CONST_RETURN gchar*
+table_interface_get_column_description (AtkTable *table, gint in_col);
+
+static G_CONST_RETURN gchar*
+table_interface_get_row_description (AtkTable *table, gint row);
+
+static AtkObject* table_interface_get_summary (AtkTable *table);
+
+/* atk selection interface */
+static void atk_selection_interface_init (AtkSelectionIface *iface);
+static gboolean selection_interface_add_selection (AtkSelection *selection,
+						   gint i);
+static gboolean selection_interface_clear_selection (AtkSelection *selection);
+static AtkObject* selection_interface_ref_selection (AtkSelection *selection,
+						     gint i);
+static gint selection_interface_get_selection_count (AtkSelection *selection);
+static gboolean selection_interface_is_child_selected (AtkSelection *selection,
+						       gint i);
+
+/* helpers */
+static EaCellTable *
+ea_day_view_main_item_get_cell_data (EaDayViewMainItem *ea_main_item);
+
+static void
+ea_day_view_main_item_destory_cell_data (EaDayViewMainItem *ea_main_item);
+
+static gint
+ea_day_view_main_item_get_child_index_at (EaDayViewMainItem *ea_main_item,
+					  gint row, gint column);
+static gint
+ea_day_view_main_item_get_row_at_index (EaDayViewMainItem *ea_main_item,
+					gint index);
+static gint
+ea_day_view_main_item_get_column_at_index (EaDayViewMainItem *ea_main_item,
+					   gint index);
+static gint
+ea_day_view_main_item_get_row_label (EaDayViewMainItem *ea_main_item,
+				     gint row, gchar *buffer,
+				     gint buffer_size);
+
+#ifdef ACC_DEBUG
+static gint n_ea_day_view_main_item_created = 0;
+static gint n_ea_day_view_main_item_destroyed = 0;
+#endif
+
+static gpointer parent_class = NULL;
+
+GType
+ea_day_view_main_item_get_type (void)
+{
+	static GType type = 0;
+	AtkObjectFactory *factory;
+	GTypeQuery query;
+	GType derived_atk_type;
+
+	if (!type) {
+		static GTypeInfo tinfo = {
+			sizeof (EaDayViewMainItemClass),
+			(GBaseInitFunc) NULL, /* base init */
+			(GBaseFinalizeFunc) NULL, /* base finalize */
+			(GClassInitFunc) ea_day_view_main_item_class_init,
+			(GClassFinalizeFunc) NULL, /* class finalize */
+			NULL, /* class data */
+			sizeof (EaDayViewMainItem), /* instance size */
+			0, /* nb preallocs */
+			(GInstanceInitFunc) NULL, /* instance init */
+			NULL /* value table */
+		};
+
+		static const GInterfaceInfo atk_component_info = {
+			(GInterfaceInitFunc) atk_component_interface_init,
+			(GInterfaceFinalizeFunc) NULL,
+			NULL
+		};
+
+		static const GInterfaceInfo atk_table_info = {
+			(GInterfaceInitFunc) atk_table_interface_init,
+			(GInterfaceFinalizeFunc) NULL,
+			NULL
+		};
+		static const GInterfaceInfo atk_selection_info = {
+			(GInterfaceInitFunc) atk_selection_interface_init,
+			(GInterfaceFinalizeFunc) NULL,
+			NULL
+		};
+
+
+		/*
+		 * Figure out the size of the class and instance
+		 * we are run-time deriving from (GailCanvasItem, in this case)
+		 *
+		 */
+
+		factory = atk_registry_get_factory (atk_get_default_registry (),
+						    e_day_view_main_item_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,
+					       "EaDayViewMainItem", &tinfo, 0);
+		g_type_add_interface_static (type, ATK_TYPE_COMPONENT,
+					     &atk_component_info);
+		g_type_add_interface_static (type, ATK_TYPE_TABLE,
+					     &atk_table_info);
+		g_type_add_interface_static (type, ATK_TYPE_SELECTION,
+					     &atk_selection_info);
+	}
+
+	return type;
+}
+
+static void
+ea_day_view_main_item_class_init (EaDayViewMainItemClass *klass)
+{
+	GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+	AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+
+	gobject_class->finalize = ea_day_view_main_item_finalize;
+	parent_class = g_type_class_peek_parent (klass);
+
+	class->get_name = ea_day_view_main_item_get_name;
+	class->get_description = ea_day_view_main_item_get_description;
+
+	class->get_n_children = ea_day_view_main_item_get_n_children;
+	class->ref_child = ea_day_view_main_item_ref_child;
+	class->get_parent = ea_day_view_main_item_get_parent;
+	class->get_index_in_parent = ea_day_view_main_item_get_index_in_parent;
+}
+
+AtkObject* 
+ea_day_view_main_item_new (GObject *obj)
+{
+	AtkObject *accessible;
+	GnomeCalendar *gcal;
+	EDayViewMainItem *main_item;
+
+	g_return_val_if_fail (E_IS_DAY_VIEW_MAIN_ITEM (obj), NULL);
+
+	accessible = ATK_OBJECT (g_object_new (EA_TYPE_DAY_VIEW_MAIN_ITEM,
+					       NULL));
+
+	atk_object_initialize (accessible, obj);
+	accessible->role = ATK_ROLE_TABLE;
+
+#ifdef ACC_DEBUG
+	++n_ea_day_view_main_item_created;
+	printf ("ACC_DEBUG: n_ea_day_view_main_item_created = %d\n",
+		n_ea_day_view_main_item_created);
+#endif
+	main_item = E_DAY_VIEW_MAIN_ITEM (obj);
+	g_signal_connect (main_item->day_view, "selected_time_changed",
+			  G_CALLBACK (ea_day_view_main_item_time_change_cb),
+			  accessible);
+
+	/* listen for date changes of calendar */
+	gcal = e_cal_view_get_calendar (E_CAL_VIEW (main_item->day_view));
+	if (gcal)
+		g_signal_connect (gcal, "dates_shown_changed",
+				  G_CALLBACK (ea_day_view_main_item_dates_change_cb),
+				  accessible);
+
+	return accessible;
+}
+
+static void
+ea_day_view_main_item_finalize (GObject *object)
+{
+	EaDayViewMainItem *ea_main_item;
+
+	g_return_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (object));
+
+	ea_main_item = EA_DAY_VIEW_MAIN_ITEM (object);
+
+	/* Free the allocated cell data */
+	ea_day_view_main_item_destory_cell_data (ea_main_item);
+
+	G_OBJECT_CLASS (parent_class)->finalize (object);
+#ifdef ACC_DEBUG
+	++n_ea_day_view_main_item_destroyed;
+	printf ("ACC_DEBUG: n_ea_day_view_main_item_destroyed = %d\n",
+		n_ea_day_view_main_item_destroyed);
+#endif
+}
+
+static G_CONST_RETURN gchar*
+ea_day_view_main_item_get_name (AtkObject *accessible)
+{
+	AtkObject *parent;
+	g_return_val_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (accessible), NULL);
+	parent = atk_object_get_parent (accessible);
+	return atk_object_get_name (parent);
+}
+
+static G_CONST_RETURN gchar*
+ea_day_view_main_item_get_description (AtkObject *accessible)
+{
+	return "a table to view and select the current time range";
+}
+
+static gint
+ea_day_view_main_item_get_n_children (AtkObject *accessible)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+
+	g_return_val_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (accessible), -1);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	return day_view->rows * day_view->days_shown;
+}
+
+static AtkObject *
+ea_day_view_main_item_ref_child (AtkObject *accessible, gint index)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	gint n_children;
+	EDayViewCell *cell;
+	EaCellTable *cell_data;
+	EaDayViewMainItem *ea_main_item;
+
+	g_return_val_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (accessible), NULL);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return NULL;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	n_children = ea_day_view_main_item_get_n_children (accessible);
+	if (index < 0 || index >= n_children)
+		return NULL;
+
+	ea_main_item = EA_DAY_VIEW_MAIN_ITEM (accessible);
+	cell_data = ea_day_view_main_item_get_cell_data (ea_main_item);
+	if (!cell_data)
+		return NULL;
+
+	cell = ea_cell_table_get_cell_at_index (cell_data, index);
+	if (!cell) {
+		gint row, column;
+
+		row = ea_day_view_main_item_get_row_at_index (ea_main_item, index);
+		column = ea_day_view_main_item_get_column_at_index (ea_main_item, index);
+		cell = e_day_view_cell_new (day_view, row, column);
+		ea_cell_table_set_cell_at_index (cell_data, index, cell);
+		g_object_unref (cell);
+	}
+	return g_object_ref (atk_gobject_accessible_for_object (G_OBJECT(cell)));
+}
+
+static AtkObject *
+ea_day_view_main_item_get_parent (AtkObject *accessible)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+
+	g_return_val_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (accessible), NULL);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return NULL;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	return gtk_widget_get_accessible (GTK_WIDGET (main_item->day_view));
+}
+
+static gint
+ea_day_view_main_item_get_index_in_parent (AtkObject *accessible)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+
+	g_return_val_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (accessible), -1);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	/* always the first child of ea-day-view */
+	return 0;
+}
+
+/* callbacks */
+
+static void
+ea_day_view_main_item_dates_change_cb (GnomeCalendar *gcal, gpointer data)
+{
+	EaDayViewMainItem *ea_main_item;
+
+	g_return_if_fail (GNOME_IS_CALENDAR (gcal));
+	g_return_if_fail (data);
+	g_return_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (data));
+
+	ea_main_item = EA_DAY_VIEW_MAIN_ITEM (data);
+
+#ifdef ACC_DEBUG
+	printf ("EvoAcc: ea_day_view_main_item update cb\n");
+#endif
+
+	ea_day_view_main_item_destory_cell_data (ea_main_item);
+}
+
+static void
+ea_day_view_main_item_time_change_cb (EDayView *day_view, gpointer data)
+{
+	EaDayViewMainItem *ea_main_item;
+
+	g_return_if_fail (E_IS_DAY_VIEW (day_view));
+	g_return_if_fail (data);
+	g_return_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (data));
+
+	ea_main_item = EA_DAY_VIEW_MAIN_ITEM (data);
+
+#ifdef ACC_DEBUG
+	printf ("EvoAcc: ea_day_view_main_item time changed cb\n");
+#endif
+	g_signal_emit_by_name (data, "selection_changed");
+}
+
+/* helpers */
+
+static gint
+ea_day_view_main_item_get_child_index_at (EaDayViewMainItem *ea_main_item,
+					  gint row, gint column)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+
+	g_return_val_if_fail (ea_main_item, -1);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	if (row >= 0 && row < day_view->rows &&
+	    column >= 0 && column < day_view->days_shown)
+		return column * day_view->rows + row;
+	return -1;
+}
+
+static gint
+ea_day_view_main_item_get_row_at_index (EaDayViewMainItem *ea_main_item,
+					gint index)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	gint n_children;
+
+	g_return_val_if_fail (ea_main_item, -1);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	n_children = ea_day_view_main_item_get_n_children (ATK_OBJECT (ea_main_item));
+	if (index >= 0 && index < n_children)
+		return index % day_view->rows;
+	return -1;
+}
+
+static gint
+ea_day_view_main_item_get_column_at_index (EaDayViewMainItem *ea_main_item,
+					   gint index)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	gint n_children;
+
+	g_return_val_if_fail (ea_main_item, -1);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	n_children = ea_day_view_main_item_get_n_children (ATK_OBJECT (ea_main_item));
+	if (index >= 0 && index < n_children)
+		return index / day_view->rows;
+	return -1;
+}
+
+static gint
+ea_day_view_main_item_get_row_label (EaDayViewMainItem *ea_main_item,
+				     gint row, gchar *buffer, gint buffer_size)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	gchar *suffix;
+	gint hour, minute, suffix_width;
+
+	g_return_val_if_fail (ea_main_item, 0);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return 0 ;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	hour = day_view->first_hour_shown;
+	minute = day_view->first_minute_shown;
+	minute += row * day_view->mins_per_row;
+	hour = (hour + minute / 60) % 24;
+	minute %= 60;
+
+	e_day_view_convert_time_to_display (day_view, hour, &hour,
+					    &suffix, &suffix_width);
+	return g_snprintf (buffer, buffer_size, "%i:%02i %s",
+		    hour, minute, suffix);
+}
+
+static EaCellTable *
+ea_day_view_main_item_get_cell_data (EaDayViewMainItem *ea_main_item)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaCellTable *cell_data;
+
+	g_return_val_if_fail (ea_main_item, NULL);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return NULL;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	cell_data = g_object_get_data (G_OBJECT(ea_main_item),
+				       "ea-day-view-cell-table");
+	if (!cell_data) {
+		cell_data = ea_cell_table_create (day_view->rows,
+						  day_view->days_shown, TRUE);
+		g_object_set_data (G_OBJECT(ea_main_item),
+				   "ea-day-view-cell-table", cell_data);
+	}
+	return cell_data;
+}
+
+static void
+ea_day_view_main_item_destory_cell_data (EaDayViewMainItem *ea_main_item)
+{
+	EaCellTable *cell_data;
+
+	g_return_if_fail (ea_main_item);
+
+	cell_data = g_object_get_data (G_OBJECT(ea_main_item),
+				       "ea-day-view-cell-table");
+	if (cell_data) {
+		ea_cell_table_destroy (cell_data);
+		g_object_set_data (G_OBJECT(ea_main_item),
+				   "ea-day-view-cell-table", NULL);
+	}
+}
+
+/* Atk Component Interface */
+
+static void 
+atk_component_interface_init (AtkComponentIface *iface)
+{
+	g_return_if_fail (iface != NULL);
+
+	iface->get_extents = component_interface_get_extents;
+}
+
+static void 
+component_interface_get_extents (AtkComponent *component,
+				 gint *x, gint *y, gint *width, gint *height,
+				 AtkCoordType coord_type)
+{
+	GObject *g_obj;
+	AtkObject *ea_canvas;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+
+	*x = *y = *width = *height = 0;
+
+	g_return_if_fail (EA_IS_DAY_VIEW_MAIN_ITEM (component));
+
+	g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(component));
+	if (!g_obj)
+		/* defunct object*/
+		return;
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	ea_canvas = gtk_widget_get_accessible (day_view->main_canvas);
+	atk_component_get_extents (ATK_COMPONENT (ea_canvas), x, y,
+				   width, height, coord_type);
+}
+
+/* atk table interface */
+
+static void 
+atk_table_interface_init (AtkTableIface *iface)
+{
+	g_return_if_fail (iface != NULL);
+
+	iface->ref_at = table_interface_ref_at;
+
+	iface->get_n_rows = table_interface_get_n_rows;
+	iface->get_n_columns = table_interface_get_n_columns;
+	iface->get_index_at = table_interface_get_index_at;
+	iface->get_column_at_index = table_interface_get_column_at_index;
+	iface->get_row_at_index = table_interface_get_row_at_index;
+	iface->get_column_extent_at = table_interface_get_column_extent_at;
+	iface->get_row_extent_at = table_interface_get_row_extent_at;
+
+	iface->is_selected = table_interface_is_selected;
+	iface->get_selected_rows = table_interface_get_selected_rows;
+	iface->get_selected_columns = table_interface_get_selected_columns;
+	iface->is_row_selected = table_interface_is_row_selected;
+	iface->is_column_selected = table_interface_is_column_selected;
+	iface->add_row_selection = table_interface_add_row_selection;
+	iface->remove_row_selection = table_interface_remove_row_selection;
+	iface->add_column_selection = table_interface_add_column_selection;
+	iface->remove_column_selection = table_interface_remove_column_selection;
+
+	iface->get_row_header = table_interface_get_row_header;
+	iface->get_column_header = table_interface_get_column_header;
+	iface->get_caption = table_interface_get_caption;
+	iface->get_summary = table_interface_get_summary;
+	iface->get_row_description = table_interface_get_row_description;
+	iface->get_column_description = table_interface_get_column_description;
+}
+
+static AtkObject* 
+table_interface_ref_at (AtkTable *table,
+			gint     row, 
+			gint     column)
+{
+	gint index;
+
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+	index = ea_day_view_main_item_get_child_index_at (ea_main_item,
+							  row, column);
+	return ea_day_view_main_item_ref_child (ATK_OBJECT (ea_main_item), index);
+}
+
+static gint 
+table_interface_get_n_rows (AtkTable *table)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	return day_view->rows;
+}
+
+static gint 
+table_interface_get_n_columns (AtkTable *table)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	return day_view->days_shown;
+}
+
+static gint
+table_interface_get_index_at (AtkTable *table,
+			      gint     row,
+			      gint     column)
+{
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+	return ea_day_view_main_item_get_child_index_at (ea_main_item,
+							 row, column);
+}
+
+static gint
+table_interface_get_column_at_index (AtkTable *table,
+				     gint     index)
+{
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+	return ea_day_view_main_item_get_column_at_index (ea_main_item, index);
+}
+
+static gint
+table_interface_get_row_at_index (AtkTable *table,
+				  gint     index)
+{
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+	return ea_day_view_main_item_get_row_at_index (ea_main_item, index);
+}
+
+static gint
+table_interface_get_column_extent_at (AtkTable      *table,
+				      gint          row,
+				      gint          column)
+{
+	gint index;
+	gint width = 0, height = 0;
+	AtkObject *child;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+
+	index = ea_day_view_main_item_get_child_index_at (ea_main_item,
+							  row, column);
+	child = atk_object_ref_accessible_child (ATK_OBJECT (ea_main_item),
+						 index);
+	if (child)
+		atk_component_get_size (ATK_COMPONENT (child),
+					&width, &height);
+
+	return width;
+}
+
+static gint 
+table_interface_get_row_extent_at (AtkTable      *table,
+				   gint          row,
+				   gint          column)
+{
+	gint index;
+	gint width = 0, height = 0;
+	AtkObject *child;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+
+	index = ea_day_view_main_item_get_child_index_at (ea_main_item,
+							  row, column);
+	child = atk_object_ref_accessible_child (ATK_OBJECT (ea_main_item),
+						 index);
+	if (child)
+		atk_component_get_size (ATK_COMPONENT (child),
+					&width, &height);
+
+	return height;
+}
+
+static gboolean 
+table_interface_is_row_selected (AtkTable *table,
+				 gint     row)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return FALSE;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	if (day_view->selection_start_day == -1)
+		/* no selection */
+		return FALSE;
+	if (day_view->selection_start_day != day_view->selection_end_day)
+		/* all row is selected */
+		return TRUE;
+	if (row >= day_view->selection_start_row &&
+	    row <= day_view->selection_end_row)
+		return TRUE;
+	return FALSE;
+}
+
+static gboolean 
+table_interface_is_selected (AtkTable *table, 
+			     gint     row, 
+			     gint     column)
+{
+	return table_interface_is_row_selected (table, row) &&
+		table_interface_is_column_selected (table, column);
+}
+
+static gboolean 
+table_interface_is_column_selected (AtkTable *table,
+				    gint     column)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return FALSE;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	if (column >= day_view->selection_start_day &&
+	    column <= day_view->selection_end_day)
+		return TRUE;
+	return FALSE;
+}
+
+static gint 
+table_interface_get_selected_rows (AtkTable *table,
+				   gint     **rows_selected)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+	gint start_row = -1, n_rows = 0;
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	if (day_view->selection_start_day == -1)
+		return 0;
+
+	if (day_view->selection_start_day != day_view->selection_end_day) {
+		/* all the rows should be selected */
+		n_rows = day_view->rows;
+		start_row = 0;
+	}
+	else if (day_view->selection_start_row != -1) {
+		start_row = day_view->selection_start_row;
+		n_rows = day_view->selection_end_row - start_row + 1;
+	}
+	if (n_rows > 0 && start_row != -1 && rows_selected) {
+		gint index;
+
+		*rows_selected = (gint *) g_malloc (n_rows * sizeof (gint));
+		for (index = 0; index < n_rows; ++index)
+			(*rows_selected)[index] = start_row + index;
+	}
+	return n_rows;
+}
+
+static gint 
+table_interface_get_selected_columns (AtkTable *table,
+				      gint **columns_selected)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+	gint start_column = -1, n_columns = 0;
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return -1;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	if (day_view->selection_start_day == -1)
+		return 0;
+
+	start_column = day_view->selection_start_day;
+	n_columns = day_view->selection_end_day - start_column + 1;
+	if (n_columns > 0 && start_column != -1 && columns_selected) {
+		gint index;
+
+		*columns_selected = (gint *) g_malloc (n_columns * sizeof (gint));
+		for (index = 0; index < n_columns; ++index)
+			(*columns_selected)[index] = start_column + index;
+	}
+	return n_columns;
+}
+
+static gboolean 
+table_interface_add_row_selection (AtkTable *table, 
+				   gint row)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return FALSE;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	/* FIXME: we need multi-selection */
+
+	day_view->selection_start_day = 0;
+	day_view->selection_end_day = 0;
+	day_view->selection_start_row = row;
+	day_view->selection_end_row = row;
+
+	e_day_view_ensure_rows_visible (day_view,
+					day_view->selection_start_row,
+					day_view->selection_end_row);
+	e_day_view_update_calendar_selection_time (day_view);
+	gtk_widget_queue_draw (day_view->main_canvas);
+	return TRUE;
+}
+
+static gboolean 
+table_interface_remove_row_selection (AtkTable *table, 
+				      gint row)
+{
+	return FALSE;
+}
+
+static gboolean 
+table_interface_add_column_selection (AtkTable *table, 
+				      gint column)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return FALSE;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	/* FIXME: we need multi-selection */
+
+	day_view->selection_start_day = column;
+	day_view->selection_end_day = column;
+	day_view->selection_start_row = 0;
+	day_view->selection_end_row = day_view->rows;
+
+	e_day_view_update_calendar_selection_time (day_view);
+	gtk_widget_queue_draw (day_view->main_canvas);
+	return TRUE;
+}
+
+static gboolean 
+table_interface_remove_column_selection (AtkTable *table, 
+					 gint     column)
+{
+	/* FIXME: NOT IMPLEMENTED */
+	return FALSE;
+}
+
+static AtkObject* 
+table_interface_get_row_header (AtkTable *table, 
+				gint     row)
+{
+	/* FIXME: NOT IMPLEMENTED */
+	return NULL;
+}
+
+static AtkObject* 
+table_interface_get_column_header (AtkTable *table, 
+				   gint     in_col)
+{
+	/* FIXME: NOT IMPLEMENTED */
+	return NULL;
+}
+
+static AtkObject*
+table_interface_get_caption (AtkTable	*table)
+{
+	/* FIXME: NOT IMPLEMENTED */
+	return NULL;
+}
+
+static G_CONST_RETURN gchar*
+table_interface_get_column_description (AtkTable	  *table,
+					gint       in_col)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+	const gchar *description;
+	EaCellTable *cell_data;
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return NULL;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	if (in_col < 0 || in_col >= day_view->days_shown)
+		return NULL;
+	cell_data = ea_day_view_main_item_get_cell_data (ea_main_item);
+	if (!cell_data)
+		return NULL;
+
+	description = ea_cell_table_get_column_label (cell_data, in_col);
+	if (!description) {
+		gchar buffer[128];
+		e_day_view_top_item_get_day_label (day_view, in_col, buffer, 128);
+		ea_cell_table_set_column_label (cell_data, in_col, buffer);
+		description = ea_cell_table_get_column_label (cell_data, in_col);
+	}
+	return description;
+}
+
+static G_CONST_RETURN gchar*
+table_interface_get_row_description (AtkTable    *table,
+				     gint        row)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (table);
+	const gchar *description;
+	EaCellTable *cell_data;
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return NULL;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	if (row < 0 || row >= 12 * 24)
+		return NULL;
+	cell_data = ea_day_view_main_item_get_cell_data (ea_main_item);
+	if (!cell_data)
+		return NULL;
+
+	description = ea_cell_table_get_row_label (cell_data, row);
+	if (!description) {
+		gchar buffer[128];
+		ea_day_view_main_item_get_row_label (ea_main_item, row, buffer, sizeof (buffer));
+		ea_cell_table_set_row_label (cell_data, row, buffer);
+		description = ea_cell_table_get_row_label (cell_data,
+								row);
+	}
+	return description;
+}
+
+static AtkObject*
+table_interface_get_summary (AtkTable	*table)
+{
+	/* FIXME: NOT IMPLEMENTED */
+	return NULL;
+}
+
+/* atkselection interface */
+
+static void
+atk_selection_interface_init (AtkSelectionIface *iface)
+{
+	g_return_if_fail (iface != NULL);
+
+	iface->add_selection = selection_interface_add_selection;
+	iface->clear_selection = selection_interface_clear_selection;
+	iface->ref_selection = selection_interface_ref_selection;
+	iface->get_selection_count = selection_interface_get_selection_count;
+	iface->is_child_selected = selection_interface_is_child_selected;
+}
+
+static gboolean
+selection_interface_add_selection (AtkSelection *selection, gint i)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (selection);
+	gint column, row;
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return FALSE;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	row = ea_day_view_main_item_get_row_at_index (ea_main_item, i);
+	column = ea_day_view_main_item_get_column_at_index (ea_main_item, i);
+
+	if (row == -1 || column == -1)
+		return FALSE;
+
+	/*FIXME: multi-selection is needed */
+	day_view->selection_start_day = column;
+	day_view->selection_end_day = column;
+	day_view->selection_start_row = row;
+	day_view->selection_end_row = row;
+
+	e_day_view_ensure_rows_visible (day_view,
+					day_view->selection_start_row,
+					day_view->selection_end_row);
+	e_day_view_update_calendar_selection_time (day_view);
+	gtk_widget_queue_draw (day_view->main_canvas);
+	return TRUE;
+}
+
+static gboolean
+selection_interface_clear_selection (AtkSelection *selection)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (selection);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return FALSE;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	day_view->selection_start_row = -1;
+	day_view->selection_start_day = -1;
+	day_view->selection_end_row = -1;
+	day_view->selection_end_day = -1;
+
+	e_day_view_update_calendar_selection_time (day_view);
+	gtk_widget_queue_draw (day_view->main_canvas);
+
+	return TRUE;
+}
+
+static AtkObject*  
+selection_interface_ref_selection (AtkSelection *selection, gint i)
+{
+	if (selection_interface_is_child_selected (selection, i))
+		return ea_day_view_main_item_ref_child (ATK_OBJECT (selection), i);
+	return NULL;
+}
+
+static gint
+selection_interface_get_selection_count (AtkSelection *selection)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (selection);
+	gint start_index, end_index;
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return 0;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	if (day_view->selection_start_day == -1 ||
+	    day_view->selection_start_row == -1)
+		return 0;
+	start_index = ea_day_view_main_item_get_child_index_at (ea_main_item,
+								day_view->selection_start_row,
+								day_view->selection_start_day);
+	end_index = ea_day_view_main_item_get_child_index_at (ea_main_item,
+								day_view->selection_end_row,
+								day_view->selection_end_day);
+
+	return end_index - start_index + 1;
+}
+
+static gboolean
+selection_interface_is_child_selected (AtkSelection *selection, gint i)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewMainItem *main_item;
+	EDayView *day_view;
+	EaDayViewMainItem* ea_main_item = EA_DAY_VIEW_MAIN_ITEM (selection);
+	gint column, row;
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (ea_main_item);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return FALSE;
+
+	main_item = E_DAY_VIEW_MAIN_ITEM (g_obj);
+	day_view = main_item->day_view;
+
+	row = ea_day_view_main_item_get_row_at_index (ea_main_item, i);
+	column = ea_day_view_main_item_get_column_at_index (ea_main_item, i);
+
+	if (column < day_view->selection_start_day ||
+	    column > day_view->selection_end_day)
+		return FALSE;
+
+	if ((column == day_view->selection_start_day ||
+	     column == day_view->selection_end_day) &&
+	    (row < day_view->selection_start_row ||
+	     row > day_view->selection_end_row))
+		return FALSE;
+
+	/* if comes here, the cell is selected */
+	return TRUE;
+}