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, 336 insertions, 0 deletions

diff --git a/a11y/calendar/ea-day-view-cell.c b/a11y/calendar/ea-day-view-cell.c
new file mode 100644
index 0000000000..52fb860fd6
--- /dev/null
+++ b/a11y/calendar/ea-day-view-cell.c
@@ -0,0 +1,336 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+/* Evolution Accessibility: ea-day-view-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-day-view-cell.h"
+#include "ea-day-view-main-item.h"
+#include "ea-day-view.h"
+#include "ea-factory.h"
+
+/* EDayViewCell */
+
+static void e_day_view_cell_class_init (EDayViewCellClass *class);
+
+EA_FACTORY_GOBJECT (EA_TYPE_DAY_VIEW_CELL, ea_day_view_cell, ea_day_view_cell_new)
+
+GType
+e_day_view_cell_get_type (void)
+{
+	static GType type = 0;
+
+	if (!type) {
+		static GTypeInfo tinfo = {
+			sizeof (EDayViewCellClass),
+			(GBaseInitFunc) NULL, /* base init */
+			(GBaseFinalizeFunc) NULL, /* base finalize */
+			(GClassInitFunc) e_day_view_cell_class_init, /* class init */
+			(GClassFinalizeFunc) NULL, /* class finalize */
+			NULL, /* class data */
+			sizeof (EDayViewCell), /* instance size */
+			0, /* nb preallocs */
+			(GInstanceInitFunc) NULL, /* instance init */
+			NULL /* value table */
+		};
+
+		type = g_type_register_static (G_TYPE_OBJECT,
+					       "EDayViewCell", &tinfo, 0);
+	}
+
+	return type;
+}
+
+static void
+e_day_view_cell_class_init (EDayViewCellClass *class)
+{
+    EA_SET_FACTORY (e_day_view_cell_get_type (), ea_day_view_cell);
+}
+
+EDayViewCell *
+e_day_view_cell_new (EDayView *day_view, gint row, gint column)
+{
+	GObject *object;
+	EDayViewCell *cell;
+
+	g_return_val_if_fail (E_IS_DAY_VIEW (day_view), NULL);
+
+	object = g_object_new (E_TYPE_DAY_VIEW_CELL, NULL);
+	cell = E_DAY_VIEW_CELL (object);
+	cell->day_view = day_view;
+	cell->row = row;
+	cell->column = column;
+
+#ifdef ACC_DEBUG
+	printf ("EvoAcc: e_day_view_cell created %p\n", (void *)cell);
+#endif
+
+	return cell;
+}
+
+/* EaDayViewCell */
+
+static void ea_day_view_cell_class_init (EaDayViewCellClass *klass);
+
+static G_CONST_RETURN gchar* ea_day_view_cell_get_name (AtkObject *accessible);
+static G_CONST_RETURN gchar* ea_day_view_cell_get_description (AtkObject *accessible);
+static AtkStateSet* ea_day_view_cell_ref_state_set (AtkObject *obj);
+static AtkObject * ea_day_view_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_day_view_cell_created = 0, n_ea_day_view_cell_destroyed = 0;
+static void ea_day_view_cell_finalize (GObject *object);
+#endif
+
+GType
+ea_day_view_cell_get_type (void)
+{
+	static GType type = 0;
+
+	if (!type) {
+		static GTypeInfo tinfo = {
+			sizeof (EaDayViewCellClass),
+			(GBaseInitFunc) NULL, /* base init */
+			(GBaseFinalizeFunc) NULL, /* base finalize */
+			(GClassInitFunc) ea_day_view_cell_class_init, /* class init */
+			(GClassFinalizeFunc) NULL, /* class finalize */
+			NULL, /* class data */
+			sizeof (EaDayViewCell), /* 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,
+					       "EaDayViewCell", &tinfo, 0);
+		g_type_add_interface_static (type, ATK_TYPE_COMPONENT,
+					     &atk_component_info);
+	}
+
+	return type;
+}
+
+static void
+ea_day_view_cell_class_init (EaDayViewCellClass *klass)
+{
+	AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+
+#ifdef ACC_DEBUG
+	GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+	gobject_class->finalize = ea_day_view_cell_finalize;
+#endif
+
+	parent_class = g_type_class_peek_parent (klass);
+
+	class->get_name = ea_day_view_cell_get_name;
+	class->get_description = ea_day_view_cell_get_description;
+	class->ref_state_set = ea_day_view_cell_ref_state_set;
+
+	class->get_parent = ea_day_view_cell_get_parent;
+}
+
+AtkObject* 
+ea_day_view_cell_new (GObject *obj)
+{
+	gpointer object;
+	AtkObject *atk_object;
+
+	g_return_val_if_fail (E_IS_DAY_VIEW_CELL (obj), NULL);
+
+	object = g_object_new (EA_TYPE_DAY_VIEW_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_day_view_cell_created;
+	printf ("ACC_DEBUG: n_ea_day_view_cell_created = %d\n",
+		n_ea_day_view_cell_created);
+#endif
+	return atk_object;
+}
+
+#ifdef ACC_DEBUG
+static void ea_day_view_cell_finalize (GObject *object)
+{
+	++n_ea_day_view_cell_destroyed;
+	printf ("ACC_DEBUG: n_ea_day_view_cell_destroyed = %d\n",
+		n_ea_day_view_cell_destroyed);
+}
+#endif
+
+static G_CONST_RETURN gchar*
+ea_day_view_cell_get_name (AtkObject *accessible)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewCell *cell;
+
+	g_return_val_if_fail (EA_IS_DAY_VIEW_CELL (accessible), NULL);
+
+	if (!accessible->name) {
+		AtkObject *ea_main_item;
+		GnomeCanvasItem *main_item;
+		gchar *new_name = g_strdup ("");
+		const gchar *row_label, *column_label;
+
+		atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible);
+		g_obj = atk_gobject_accessible_get_object (atk_gobj);
+		if (!g_obj)
+			return NULL;
+
+		cell = E_DAY_VIEW_CELL (g_obj);
+		main_item = cell->day_view->main_canvas_item;
+		ea_main_item = atk_gobject_accessible_for_object (G_OBJECT (main_item));
+		column_label = atk_table_get_column_description (ATK_TABLE (ea_main_item),
+								 cell->column);
+		row_label = atk_table_get_row_description (ATK_TABLE (ea_main_item),
+							   cell->row);
+		new_name = g_strconcat (column_label, " ", row_label, NULL);
+		ATK_OBJECT_CLASS (parent_class)->set_name (accessible, new_name);
+		g_free (new_name);
+	}
+	return accessible->name;
+}
+
+static G_CONST_RETURN gchar*
+ea_day_view_cell_get_description (AtkObject *accessible)
+{
+	return ea_day_view_cell_get_name (accessible);
+}
+
+static AtkStateSet*
+ea_day_view_cell_ref_state_set (AtkObject *obj)
+{
+  AtkStateSet *state_set;
+  GObject *g_obj;
+  AtkObject *parent;
+  gint x, y, width, height;
+  gint parent_x, parent_y, parent_width, parent_height;
+
+  state_set = ATK_OBJECT_CLASS (parent_class)->ref_state_set (obj);
+  g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(obj));
+  if (!g_obj)
+	  return state_set;
+
+  atk_state_set_add_state (state_set, ATK_STATE_SELECTABLE);
+
+  parent = atk_object_get_parent (obj);
+  atk_component_get_extents (ATK_COMPONENT (obj), &x, &y,
+			     &width, &height, ATK_XY_WINDOW);
+  atk_component_get_extents (ATK_COMPONENT (parent), &parent_x, &parent_y,
+			     &parent_width, &parent_height, ATK_XY_WINDOW);
+
+
+  if (x + width < parent_x || x > parent_x + parent_width ||
+      y + height < parent_y || y > parent_y + parent_height)
+	  /* the cell is out of the main canvas */	  
+	  ;
+  else
+	  atk_state_set_add_state (state_set, ATK_STATE_VISIBLE);
+
+  return state_set;
+}
+
+static AtkObject *
+ea_day_view_cell_get_parent (AtkObject *accessible)
+{
+	AtkGObjectAccessible *atk_gobj;
+	GObject *g_obj;
+	EDayViewCell *cell;
+
+	g_return_val_if_fail (EA_IS_DAY_VIEW_CELL (accessible), NULL);
+
+	atk_gobj = ATK_GOBJECT_ACCESSIBLE (accessible);
+	g_obj = atk_gobject_accessible_get_object (atk_gobj);
+	if (!g_obj)
+		return NULL;
+
+	cell = E_DAY_VIEW_CELL (g_obj);
+	return gtk_widget_get_accessible (GTK_WIDGET (cell->day_view->main_canvas));
+}
+
+/* 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;
+	EDayViewCell *cell;
+	EDayView *day_view;
+	GtkWidget *main_canvas;
+	gint day_view_width, day_view_height;
+	gint scroll_x, scroll_y;
+
+	*x = *y = *width = *height = 0;
+
+	g_return_if_fail (EA_IS_DAY_VIEW_CELL (component));
+
+	g_obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE(component));
+	if (!g_obj)
+		/* defunct object*/
+		return;
+
+	cell = E_DAY_VIEW_CELL (g_obj);
+	day_view = cell->day_view;
+	main_canvas = cell->day_view->main_canvas;
+
+	atk_obj = atk_gobject_accessible_for_object (G_OBJECT (main_canvas));
+	atk_component_get_extents (ATK_COMPONENT (atk_obj),
+				   x, y,
+				   &day_view_width, &day_view_height,
+				   coord_type);
+	gnome_canvas_get_scroll_offsets (GNOME_CANVAS (day_view->main_canvas),
+					 &scroll_x, &scroll_y);
+	*x += day_view->day_offsets[cell->column] - scroll_x;
+	*y += day_view->row_height * cell->row
+		- scroll_y;
+	printf ("ybl: cellrow=%d, cellcol=%d, scroll_x=%d, scroll_y=%d\n",
+		cell->row, cell->column, scroll_x, scroll_y);
+	*width = day_view->day_widths[cell->column];
+	*height = day_view->row_height;
+}