/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Yuedong Du <yuedong.du@sun.com>
*
* Copyright (C) 2002 Ximian, Inc.
*/
#include <config.h>
#include "gal-a11y-util.h"
#include "gal-a11y-e-table-click-to-add.h"
#include <gal/e-table/e-table-group.h>
#include <gal/e-table/e-table-group-leaf.h>
#include <gal/e-table/e-table-click-to-add.h>
#include <atk/atkcomponent.h>
#include <atk/atkaction.h>
static AtkObjectClass *parent_class;
static GType parent_type;
static gint priv_offset;
#define GET_PRIVATE(object) ((GalA11yETableClickToAddPrivate *) (((char *) object) + priv_offset))
#define PARENT_TYPE (parent_type)
struct _GalA11yETableClickToAddPrivate {
gpointer rect;
gpointer row;
};
static gint
etcta_get_n_actions (AtkAction *action)
{
return 1;
}
static G_CONST_RETURN gchar*
etcta_get_description (AtkAction *action,
gint i)
{
if (i == 0)
return "click to add";
return NULL;
}
static G_CONST_RETURN gchar*
etcta_action_get_name (AtkAction *action, gint i)
{
if (i == 0)
return "click";
return NULL;
}
static gboolean
idle_do_action (gpointer data)
{
GdkEventButton event;
ETableClickToAdd * etcta;
gint finished;
g_return_val_if_fail ( data!= NULL, FALSE);
etcta = E_TABLE_CLICK_TO_ADD (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (data)));
g_return_val_if_fail (etcta, FALSE);
event.x = 0;
event.y = 0;
event.type = GDK_BUTTON_PRESS;
event.window = GTK_LAYOUT(GNOME_CANVAS_ITEM(etcta)->canvas)->bin_window;
event.button = 1;
event.send_event = TRUE;
event.time = GDK_CURRENT_TIME;
event.axes = NULL;
g_signal_emit_by_name (etcta, "event", &event, &finished);
return FALSE;
}
static gboolean
etcta_do_action (AtkAction * action, gint i)
{
g_return_val_if_fail (i == 0, FALSE);
g_idle_add (idle_do_action, action);
return TRUE;
}
static void
atk_action_interface_init (AtkActionIface *iface)
{
g_return_if_fail (iface != NULL);
iface->do_action = etcta_do_action;
iface->get_n_actions = etcta_get_n_actions;
iface->get_description = etcta_get_description;
iface->get_name = etcta_action_get_name;
}
static G_CONST_RETURN gchar *
etcta_get_name (AtkObject *obj)
{
g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD (obj), NULL);
return "click to add";
}
static gint
etcta_get_n_children (AtkObject *accessible)
{
return 1;
}
static AtkObject*
etcta_ref_child (AtkObject *accessible,
gint i)
{
AtkObject * atk_obj = NULL;
ETableClickToAdd * etcta;
if ( i != 0 )
return NULL;
etcta = E_TABLE_CLICK_TO_ADD(atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible)));
g_return_val_if_fail (etcta, NULL);
if (etcta->rect) {
atk_obj = atk_gobject_accessible_for_object (G_OBJECT(etcta->rect));
} else if (etcta->row) {
atk_obj = atk_gobject_accessible_for_object (G_OBJECT(etcta->row));
}
g_object_ref (atk_obj);
return atk_obj;
}
static void
etcta_class_init (GalA11yETableClickToAddClass *klass)
{
AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
parent_class = g_type_class_ref (PARENT_TYPE);
atk_object_class->get_name = etcta_get_name;
atk_object_class->get_n_children = etcta_get_n_children;
atk_object_class->ref_child = etcta_ref_child;
}
static void
etcta_init (GalA11yETableClickToAdd *a11y)
{
}
/**
* gal_a11y_e_table_click_to_add_get_type:
* @void:
*
* Registers the &GalA11yETableClickToAdd class if necessary, and returns the type ID
* associated to it.
*
* Return value: The type ID of the &GalA11yETableClickToAdd class.
**/
GType
gal_a11y_e_table_click_to_add_get_type (void)
{
static GType type = 0;
if (!type) {
AtkObjectFactory *factory;
GTypeInfo info = {
sizeof (GalA11yETableClickToAddClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) etcta_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (GalA11yETableClickToAdd),
0,
(GInstanceInitFunc) etcta_init,
NULL /* value_table */
};
static const GInterfaceInfo atk_action_info = {
(GInterfaceInitFunc) atk_action_interface_init,
(GInterfaceFinalizeFunc) NULL,
NULL
};
factory = atk_registry_get_factory (atk_get_default_registry (), GNOME_TYPE_CANVAS_ITEM);
parent_type = atk_object_factory_get_accessible_type (factory);
type = gal_a11y_type_register_static_with_private (PARENT_TYPE,
"GalA11yETableClickToAdd", &info, 0,
sizeof(GalA11yETableClickToAddPrivate), &priv_offset);
g_type_add_interface_static (type, ATK_TYPE_ACTION, &atk_action_info);
}
return type;
}
static gboolean
etcta_event (GnomeCanvasItem *item, GdkEvent *e, gpointer data)
{
ETableClickToAdd *etcta = E_TABLE_CLICK_TO_ADD (item);
GalA11yETableClickToAdd *a11y;
GalA11yETableClickToAddPrivate *priv;
g_return_val_if_fail (item, TRUE);
g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_CLICK_TO_ADD(data), FALSE);
a11y = GAL_A11Y_E_TABLE_CLICK_TO_ADD (data);
priv = GET_PRIVATE (a11y);
/* rect replaced by row. */
if (etcta->rect == NULL && priv->rect != NULL) {
g_signal_emit_by_name (a11y, "children_changed::remove", 0, NULL, NULL);
}
/* row inserted, and/or replaced by a new row. */
if (etcta->row != NULL && priv->row == NULL) {
g_signal_emit_by_name (a11y, "children_changed::add", 0, NULL, NULL);
} else if (etcta->row != NULL && priv->row != NULL && etcta->row != priv->row) {
g_signal_emit_by_name (a11y, "children_changed::remove", 0, NULL, NULL);
g_signal_emit_by_name (a11y, "children_changed::add", 0, NULL, NULL);
}
priv->rect = etcta->rect;
priv->row = etcta->row;
return TRUE;
}
AtkObject *
gal_a11y_e_table_click_to_add_new (GObject *widget)
{
GalA11yETableClickToAdd *a11y;
ETableClickToAdd * etcta;
GalA11yETableClickToAddPrivate *priv;
g_return_val_if_fail (widget != NULL, NULL);
a11y = g_object_new (gal_a11y_e_table_click_to_add_get_type (), NULL);
priv = GET_PRIVATE (a11y);
etcta = E_TABLE_CLICK_TO_ADD(widget);
atk_object_initialize (ATK_OBJECT (a11y), etcta);
priv->rect = etcta->rect;
priv->row = etcta->row;
g_signal_connect_after (G_OBJECT(widget), "event",
G_CALLBACK (etcta_event), a11y);
return ATK_OBJECT (a11y);
}