Fixes #50538

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

        Fixes #50538

        * new files:
                widgets/ea-calendar-cell.[hc]

        * widgets/ea-calendar-item: impl. atk selection and atk table interface.        * widgets/Makefile.am : use shared object library (.so)

svn path=/trunk/; revision=23283

1 files changed, 305 insertions, 0 deletions

diff --git a/a11y/widgets/ea-calendar-cell.c b/a11y/widgets/ea-calendar-cell.c
new file mode 100644
index 0000000000..4b0fe75156
--- /dev/null
+++ b/a11y/widgets/ea-calendar-cell.c
@@ -0,0 +1,305 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+/* Evolution Accessibility: ea-calendar-cell.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-cell.h"
+#include "ea-calendar-item.h"
+#include "ea-factory.h"
+
+/* ECalendarCell */
+
+static void e_calendar_cell_class_init (ECalendarCellClass *class);
+
+EA_FACTORY_GOBJECT (EA_TYPE_CALENDAR_CELL, ea_calendar_cell, ea_calendar_cell_new)
+
+GType
+e_calendar_cell_get_type (void)
+{
+	static GType type = 0;
+
+	if (!type) {
+		static GTypeInfo tinfo = {
+			sizeof (ECalendarCellClass),
+			(GBaseInitFunc) NULL, /* base init */
+			(GBaseFinalizeFunc) NULL, /* base finalize */
+			(GClassInitFunc) e_calendar_cell_class_init, /* class init */
+			(GClassFinalizeFunc) NULL, /* class finalize */
+			NULL, /* class data */
+			sizeof (ECalendarCell), /* instance size */
+			0, /* nb preallocs */
+			(GInstanceInitFunc) NULL, /* instance init */
+			NULL /* value table */
+		};
+
+		type = g_type_register_static (G_TYPE_OBJECT,
+					       "ECalendarCell", &tinfo, 0);
+	}
+
+	return type;
+}
+
+static void
+e_calendar_cell_class_init (ECalendarCellClass *class)
+{
+    EA_SET_FACTORY (e_calendar_cell_get_type (), ea_calendar_cell);
+}
+
+ECalendarCell *
+e_calendar_cell_new (ECalendarItem *calitem, gint row, gint column)
+{
+	GObject *object;
+	ECalendarCell *cell;
+
+	g_return_val_if_fail (E_IS_CALENDAR_ITEM (calitem), NULL);
+
+	object = g_object_new (E_TYPE_CALENDAR_CELL, NULL);
+	cell = E_CALENDAR_CELL (object);
+	cell->calitem = calitem;
+	cell->row = row;
+	cell->column = column;
+
+#ifdef ACC_DEBUG
+	g_print ("EvoAcc: e_calendar_cell created %p\n", (void *)cell);
+#endif
+
+	return cell;
+}
+
+/* EaCalendarCell */
+
+static void ea_calendar_cell_class_init (EaCalendarCellClass *klass);
+
+static G_CONST_RETURN gchar* ea_calendar_cell_get_name (AtkObject *accessible);
+static G_CONST_RETURN gchar* ea_calendar_cell_get_description (AtkObject *accessible);
+static AtkObject * ea_calendar_cell_get_parent (AtkObject *accessible);
+
+/* 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);
+
+static gpointer parent_class = NULL;
+
+#ifdef ACC_DEBUG
+static gint n_ea_calendar_cell_created = 0, n_ea_calendar_cell_destroyed = 0;
+static void ea_calendar_cell_finalize (GObject *object);
+#endif
+
+GType
+ea_calendar_cell_get_type (void)
+{
+	static GType type = 0;
+
+	if (!type) {
+		static GTypeInfo tinfo = {
+			sizeof (EaCalendarCellClass),
+			(GBaseInitFunc) NULL, /* base init */
+			(GBaseFinalizeFunc) NULL, /* base finalize */
+			(GClassInitFunc) ea_calendar_cell_class_init, /* class init */
+			(GClassFinalizeFunc) NULL, /* class finalize */
+			NULL, /* class data */
+			sizeof (EaCalendarCell), /* 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
+		};
+
+		type = g_type_register_static (ATK_TYPE_GOBJECT_ACCESSIBLE,
+					       "EaCalendarCell", &tinfo, 0);
+		g_type_add_interface_static (type, ATK_TYPE_COMPONENT,
+					     &atk_component_info);
+	}
+
+	return type;
+}
+
+static void
+ea_calendar_cell_class_init (EaCalendarCellClass *klass)
+{
+	AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+
+#ifdef ACC_DEBUG
+	GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+	gobject_class->finalize = ea_calendar_cell_finalize;
+#endif
+
+	parent_class = g_type_class_peek_parent (klass);
+
+	class->get_name = ea_calendar_cell_get_name;
+	class->get_description = ea_calendar_cell_get_description;
+
+	class->get_parent = ea_calendar_cell_get_parent;
+}
+
+AtkObject* 
+ea_calendar_cell_new (GObject *obj)
+{
+	gpointer object;
+	AtkObject *atk_object;
+
+	g_return_val_if_fail (E_IS_CALENDAR_CELL (obj), NULL);
+	object = g_object_new (EA_TYPE_CALENDAR_CELL, NULL);
+	atk_object = ATK_OBJECT (object);
+	atk_object_initialize (atk_object, obj);
+	atk_object->role = ATK_ROLE_TABLE_CELL;
+
+#ifdef ACC_DEBUG
+	++n_ea_calendar_cell_created;
+	g_print ("ACC_DEBUG: n_ea_calendar_cell_created = %d\n",
+		n_ea_calendar_cell_created);
+#endif
+	return atk_object;
+}
+
+#ifdef ACC_DEBUG
+static void ea_calendar_cell_finalize (GObject *object)
+{
+	++n_ea_calendar_cell_destroyed;
+	g_print ("ACC_DEBUG: n_ea_calendar_cell_destroyed = %d\n",
+		n_ea_calendar_cell_destroyed);
+}
+#endif
+
+static G_CONST_RETURN gchar*
+ea_calendar_cell_get_name (AtkObject *accessible)
+{
+	GObject *g_obj;
+
+	g_return_val_if_fail (EA_IS_CALENDAR_CELL (accessible), NULL);
+
+	g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(accessible));
+	if (!g_obj)
+		/* defunct object*/
+		return NULL;
+
+	if (!accessible->name) {
+		AtkObject *atk_obj;
+		EaCalendarItem *ea_calitem;
+		ECalendarCell *cell;
+		gint day_index;
+		gint year, month, day;
+		gchar buffer[128];
+
+		cell = E_CALENDAR_CELL (g_obj);
+		atk_obj = ea_calendar_cell_get_parent (accessible);
+		ea_calitem = EA_CALENDAR_ITEM (atk_obj);
+		day_index = atk_table_get_index_at (ATK_TABLE (ea_calitem),
+						    cell->row, cell->column);
+		e_calendar_item_get_date_for_offset (cell->calitem, day_index,
+						     &year, &month, &day);
+
+		g_snprintf (buffer, 128, "%d-%d-%d", year, month + 1, day);
+		ATK_OBJECT_CLASS (parent_class)->set_name (accessible, buffer);
+	}
+	return accessible->name;
+}
+
+static G_CONST_RETURN gchar*
+ea_calendar_cell_get_description (AtkObject *accessible)
+{
+	return ea_calendar_cell_get_name (accessible);
+}
+
+static AtkObject *
+ea_calendar_cell_get_parent (AtkObject *accessible)
+{
+	GObject *g_obj;
+	ECalendarCell *cell;
+	ECalendarItem *calitem;
+
+	g_return_val_if_fail (EA_IS_CALENDAR_CELL (accessible), NULL);
+
+	g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(accessible));
+	if (!g_obj)
+		/* defunct object*/
+		return NULL;
+
+	cell = E_CALENDAR_CELL (g_obj);
+	calitem = cell->calitem;
+	return atk_gobject_accessible_for_object (G_OBJECT (calitem));
+}
+
+/* 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 *atk_obj, *atk_canvas;
+	ECalendarCell *cell;
+	ECalendarItem *calitem;
+	EaCalendarItem *ea_calitem;
+	gint day_index;
+	gint year, month, day;
+	gint canvas_x, canvas_y, canvas_width, canvas_height;
+
+	*x = *y = *width = *height = 0;
+
+	g_return_if_fail (EA_IS_CALENDAR_CELL (component));
+
+
+	g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(component));
+	if (!g_obj)
+		/* defunct object*/
+		return;
+
+	cell = E_CALENDAR_CELL (g_obj);
+	calitem = cell->calitem;
+	atk_obj = atk_gobject_accessible_for_object (G_OBJECT (calitem));
+	ea_calitem = EA_CALENDAR_ITEM (atk_obj);
+	day_index = atk_table_get_index_at (ATK_TABLE (ea_calitem),
+					    cell->row, cell->column);
+	e_calendar_item_get_date_for_offset (calitem, day_index,
+					     &year, &month, &day);
+
+	if (!e_calendar_item_get_day_extents (calitem,
+					      year, month, day,
+					      x, y, width, height))
+	    return;
+	atk_canvas = atk_object_get_parent (ATK_OBJECT (ea_calitem));
+	atk_component_get_extents (ATK_COMPONENT (atk_canvas),
+					     &canvas_x, &canvas_y,
+					     &canvas_width, &canvas_height,
+					     coord_type);
+	*x += canvas_x;
+	*y += canvas_y;
+}