/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors:
* Christopher James Lahey <clahey@ximian.com>
*
* Copyright (C) 2002 Ximian, Inc.
*/
#include <config.h>
#include "gal-a11y-e-table-item.h"
#include "gal-a11y-e-cell-registry.h"
#include "gal-a11y-util.h"
#include <atk/atkobject.h>
#include <atk/atktable.h>
#include <atk/atkcomponent.h>
#include <atk/atkobjectfactory.h>
#include <atk/atkregistry.h>
#include <atk/atkgobjectaccessible.h>
#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETableItemClass))
static GObjectClass *parent_class;
static AtkComponentIface *component_parent_iface;
static GType parent_type;
static gint priv_offset;
static GQuark quark_accessible_object = 0;
#define GET_PRIVATE(object) ((GalA11yETableItemPrivate *) (((char *) object) + priv_offset))
#define PARENT_TYPE (parent_type)
struct _GalA11yETableItemPrivate {
AtkObject *parent;
gint index_in_parent;
};
#if 0
static void
unref_accessible (gpointer user_data, GObject *obj_loc)
{
GalA11yETableItem *a11y = GAL_A11Y_E_TABLE_ITEM (user_data);
GET_PRIVATE (a11y)->item = NULL;
g_object_unref (a11y);
}
#endif
static void
eti_dispose (GObject *object)
{
GalA11yETableItem *a11y = GAL_A11Y_E_TABLE_ITEM (object);
GalA11yETableItemPrivate *priv = GET_PRIVATE (a11y);
#if 0
if (priv->item)
g_object_weak_unref (G_OBJECT (priv->item), unref_accessible, a11y);
if (priv->parent)
g_object_unref (priv->parent);
#endif
priv->parent = NULL;
if (parent_class->dispose)
parent_class->dispose (object);
}
/* Static functions */
static AtkObject*
eti_get_parent (AtkObject *accessible)
{
GalA11yETableItem *a11y = GAL_A11Y_E_TABLE_ITEM (accessible);
return GET_PRIVATE (a11y)->parent;
}
static gint
eti_get_n_children (AtkObject *accessible)
{
return atk_table_get_n_columns (ATK_TABLE (accessible)) *
atk_table_get_n_rows (ATK_TABLE (accessible));
}
static AtkObject*
eti_ref_child (AtkObject *accessible,
gint i)
{
AtkTable *table = ATK_TABLE (accessible);
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible)));
int col = i % item->cols;
int row = i / item->cols;
return atk_table_ref_at (table, row, col);
}
static gint
eti_get_index_in_parent (AtkObject *accessible)
{
GalA11yETableItem *a11y = GAL_A11Y_E_TABLE_ITEM (accessible);
return GET_PRIVATE (a11y)->index_in_parent;
}
static void
eti_get_extents (AtkComponent *component,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coord_type)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (component)));
double real_width;
double real_height;
int fake_width;
int fake_height;
if (component_parent_iface &&
component_parent_iface->get_extents)
component_parent_iface->get_extents (component,
x,
y,
&fake_width,
&fake_height,
coord_type);
gtk_object_get (GTK_OBJECT (item),
"width", &real_width,
"height", &real_height,
NULL);
if (width)
*width = real_width;
if (height)
*height = real_height;
}
static AtkObject*
eti_ref_accessible_at_point (AtkComponent *component,
gint x,
gint y,
AtkCoordType coord_type)
{
int row = -1;
int col = -1;
int x_origin, y_origin;
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (component)));
atk_component_get_position (component,
&x_origin,
&y_origin,
coord_type);
x -= x_origin;
y -= y_origin;
e_table_item_compute_location (item, &x, &y,
&row, &col);
if (row != -1 && col != -1) {
return atk_table_ref_at (ATK_TABLE (component), row, col);
} else {
return NULL;
}
}
/* Table IFace */
static AtkObject*
eti_ref_at (AtkTable *table,
gint row,
gint column)
{
AtkObject* accessible = ATK_OBJECT (table);
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
if (column >= 0 &&
column < item->cols &&
row >= 0 &&
row < item->rows &&
item->cell_views_realized) {
ECellView *cell_view = item->cell_views[column];
ETableCol *ecol = e_table_header_get_column (item->header, column);
return gal_a11y_e_cell_registry_get_object (NULL,
item,
cell_view,
accessible,
ecol->col_idx,
column,
row);
}
return NULL;
}
static gint
eti_get_index_at (AtkTable *table,
gint row,
gint column)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
return column + row * item->cols;
}
static gint
eti_get_column_at_index (AtkTable *table,
gint index)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
return index % item->cols;
}
static gint
eti_get_row_at_index (AtkTable *table,
gint index)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
return index / item->cols;
}
static gint
eti_get_n_columns (AtkTable *table)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
return item->cols;
}
static gint
eti_get_n_rows (AtkTable *table)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
return item->rows;
}
static gint
eti_get_column_extent_at (AtkTable *table,
gint row,
gint column)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
int width;
e_table_item_get_cell_geometry (item,
&row,
&column,
NULL,
NULL,
&width,
NULL);
return width;
}
static gint
eti_get_row_extent_at (AtkTable *table,
gint row,
gint column)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
int height;
e_table_item_get_cell_geometry (item,
&row,
&column,
NULL,
NULL,
NULL,
&height);
return height;
}
static AtkObject *
eti_get_caption (AtkTable *table)
{
/* Unimplemented */
return NULL;
}
static G_CONST_RETURN gchar *
eti_get_column_description (AtkTable *table,
gint column)
{
ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table)));
ETableCol *ecol = e_table_header_get_column (item->header, column);
return ecol->text;
}
static AtkObject *
eti_get_column_header (AtkTable *table,
gint column)
{
/* Unimplemented */
return NULL;
}
static G_CONST_RETURN gchar *
eti_get_row_description (AtkTable *table,
gint row)
{
/* Unimplemented */
return NULL;
}
static AtkObject *
eti_get_row_header (AtkTable *table,
gint row)
{
/* Unimplemented */
return NULL;
}
static AtkObject *
eti_get_summary (AtkTable *table)
{
/* Unimplemented */
return NULL;
}
static void
eti_atk_table_iface_init (AtkTableIface *iface)
{
iface->ref_at = eti_ref_at;
iface->get_index_at = eti_get_index_at;
iface->get_column_at_index = eti_get_column_at_index;
iface->get_row_at_index = eti_get_row_at_index;
iface->get_n_columns = eti_get_n_columns;
iface->get_n_rows = eti_get_n_rows;
iface->get_column_extent_at = eti_get_column_extent_at;
iface->get_row_extent_at = eti_get_row_extent_at;
iface->get_caption = eti_get_caption;
iface->get_column_description = eti_get_column_description;
iface->get_column_header = eti_get_column_header;
iface->get_row_description = eti_get_row_description;
iface->get_row_header = eti_get_row_header;
iface->get_summary = eti_get_summary;
}
static void
eti_atk_component_iface_init (AtkComponentIface *iface)
{
component_parent_iface = g_type_interface_peek_parent (iface);
iface->ref_accessible_at_point = eti_ref_accessible_at_point;
iface->get_extents = eti_get_extents;
}
static void
eti_class_init (GalA11yETableItemClass *klass)
{
AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
quark_accessible_object = g_quark_from_static_string ("gtk-accessible-object");
parent_class = g_type_class_ref (PARENT_TYPE);
object_class->dispose = eti_dispose;
atk_object_class->get_parent = eti_get_parent;
atk_object_class->get_n_children = eti_get_n_children;
atk_object_class->ref_child = eti_ref_child;
atk_object_class->get_index_in_parent = eti_get_index_in_parent;
}
static void
eti_init (GalA11yETableItem *a11y)
{
GalA11yETableItemPrivate *priv;
priv = GET_PRIVATE (a11y);
priv->parent = NULL;
priv->index_in_parent = -1;
}
/**
* gal_a11y_e_table_item_get_type:
* @void:
*
* Registers the &GalA11yETableItem class if necessary, and returns the type ID
* associated to it.
*
* Return value: The type ID of the &GalA11yETableItem class.
**/
GType
gal_a11y_e_table_item_get_type (void)
{
static GType type = 0;
if (!type) {
AtkObjectFactory *factory;
GTypeInfo info = {
sizeof (GalA11yETableItemClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) eti_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (GalA11yETableItem),
0,
(GInstanceInitFunc) eti_init,
NULL /* value_table_item */
};
static const GInterfaceInfo atk_component_info = {
(GInterfaceInitFunc) eti_atk_component_iface_init,
(GInterfaceFinalizeFunc) NULL,
NULL
};
static const GInterfaceInfo atk_table_info = {
(GInterfaceInitFunc) eti_atk_table_iface_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, "GalA11yETableItem", &info, 0,
sizeof (GalA11yETableItemPrivate), &priv_offset);
g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info);
g_type_add_interface_static (type, ATK_TYPE_TABLE, &atk_table_info);
}
return type;
}
AtkObject *
gal_a11y_e_table_item_new (AtkObject *parent,
ETableItem *item,
int index_in_parent)
{
GalA11yETableItem *a11y;
a11y = g_object_new (gal_a11y_e_table_item_get_type (), NULL);
atk_object_initialize (ATK_OBJECT (a11y), item);
GET_PRIVATE (a11y)->parent = parent;
GET_PRIVATE (a11y)->index_in_parent = index_in_parent;
if (parent)
g_object_ref (parent);
#if 0
if (item)
g_object_weak_ref (G_OBJECT (item),
unref_accessible,
a11y);
#endif
return ATK_OBJECT (a11y);
}
