/* atk table */
static AtkObject *
eti_ref_at (AtkTable *table,
gint row,
gint column)
{
ETableItem *item;
AtkObject * ret;
GalA11yETableItemPrivate *priv = GET_PRIVATE (table);
if (atk_state_set_contains_state (priv->state_set, ATK_STATE_DEFUNCT))
return NULL;
item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
if (!item)
return NULL;
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);
ret = gal_a11y_e_cell_registry_get_object (
NULL,
item,
cell_view,
ATK_OBJECT (table),
ecol->spec->model_col,
column,
row);
if (ATK_IS_OBJECT (ret)) {
g_object_weak_ref (
G_OBJECT (ret),
(GWeakNotify) cell_destroyed,
ret);
/* if current cell is focused, add FOCUSED state */
if (e_selection_model_cursor_row (item->selection) ==
GAL_A11Y_E_CELL (ret)->row &&
e_selection_model_cursor_col (item->selection) ==
GAL_A11Y_E_CELL (ret)->model_col)
gal_a11y_e_cell_add_state (
GAL_A11Y_E_CELL (ret),
ATK_STATE_FOCUSED, FALSE);
} else
ret = NULL;
return ret;
}
return NULL;
}
static gboolean
gal_a11y_e_cell_grab_focus (AtkComponent *component)
{
GalA11yECell *a11y;
gint index;
GtkWidget *toplevel;
GalA11yETableItem *a11yTableItem;
a11y = GAL_A11Y_E_CELL (component);
/* for e_cell_vbox's children, we just grab the e_cell_vbox */
if (GAL_A11Y_IS_E_CELL_VBOX (a11y->parent)) {
return atk_component_grab_focus (ATK_COMPONENT (a11y->parent));
}
a11yTableItem = GAL_A11Y_E_TABLE_ITEM (a11y->parent);
index = atk_object_get_index_in_parent (ATK_OBJECT (a11y));
atk_selection_clear_selection (ATK_SELECTION (a11yTableItem));
atk_selection_add_selection (ATK_SELECTION (a11yTableItem), index);
gtk_widget_grab_focus (
GTK_WIDGET (GNOME_CANVAS_ITEM (a11y->item)->canvas));
toplevel = gtk_widget_get_toplevel (
GTK_WIDGET (GNOME_CANVAS_ITEM (a11y->item)->canvas));
if (toplevel && gtk_widget_is_toplevel (toplevel))
gtk_window_present (GTK_WINDOW (toplevel));
return TRUE;
}
static void
gal_a11y_e_cell_dispose (GObject *object)
{
GalA11yECell *a11y = GAL_A11Y_E_CELL (object);
#if 0
if (a11y->item)
g_object_unref (a11y->item); /*, unref_item, a11y); */
if (a11y->cell_view)
g_object_unref (a11y->cell_view); /*, unref_cell, a11y); */
if (a11y->parent)
g_object_unref (a11y->parent);
#endif
if (a11y->state_set) {
g_object_unref (a11y->state_set);
a11y->state_set = NULL;
}
if (a11y->action_list) {
g_list_foreach (a11y->action_list, _gal_a11y_e_cell_destroy_action_info, NULL);
g_list_free (a11y->action_list);
a11y->action_list = NULL;
}
if (parent_class->dispose)
parent_class->dispose (object);
}
/* AtkComponet interface */
static AtkObject *
ecv_ref_accessible_at_point (AtkComponent *component,
gint x,
gint y,
AtkCoordType coord_type)
{
gint x0, y0, width, height;
gint subcell_height, i;
GalA11yECell *gaec = GAL_A11Y_E_CELL (component);
ECellVboxView *ecvv = (ECellVboxView *) (gaec->cell_view);
atk_component_get_extents (component, &x0, &y0, &width, &height, coord_type);
x -= x0;
y -= y0;
if (x < 0 || x > width || y < 0 || y > height)
return NULL;
for (i = 0; i < ecvv->subcell_view_count; i++) {
subcell_height = e_cell_height (
ecvv->subcell_views[i], ecvv->model_cols[i],
gaec->view_col, gaec->row);
if ( 0 <= y && y <= subcell_height) {
return ecv_ref_child ((AtkObject *) component, i);
} else
y -= subcell_height;
}
return NULL;
}
static void
unref_cell (gpointer user_data,
GObject *obj_loc)
{
GalA11yECell *a11y = GAL_A11Y_E_CELL (user_data);
a11y->cell_view = NULL;
g_object_unref (a11y);
}
static gint
gal_a11y_e_cell_get_index_in_parent (AtkObject *accessible)
{
GalA11yECell *a11y = GAL_A11Y_E_CELL (accessible);
if (!is_valid (accessible))
return -1;
return (a11y->row + 1) * a11y->item->cols + a11y->view_col;
}
static void
eti_a11y_reset_focus_object (GalA11yETableItem *a11y,
ETableItem *item,
gboolean notify)
{
ESelectionModel * esm;
gint cursor_row, cursor_col, view_row, view_col;
AtkObject *cell, *old_cell;
esm = item->selection;
g_return_if_fail (esm);
cursor_row = e_selection_model_cursor_row (esm);
cursor_col = e_selection_model_cursor_col (esm);
view_row = model_to_view_row (item, cursor_row);
view_col = model_to_view_col (item, cursor_col);
if (view_row == -1)
view_row = 0;
if (view_col == -1)
view_col = 0;
old_cell = (AtkObject *) g_object_get_data (G_OBJECT (a11y), "gail-focus-object");
if (old_cell && GAL_A11Y_IS_E_CELL (old_cell))
gal_a11y_e_cell_remove_state (
GAL_A11Y_E_CELL (old_cell), ATK_STATE_FOCUSED, FALSE);
if (old_cell)
g_object_unref (old_cell);
cell = eti_ref_at (ATK_TABLE (a11y), view_row, view_col);
if (cell != NULL) {
g_object_set_data (G_OBJECT (a11y), "gail-focus-object", cell);
gal_a11y_e_cell_add_state (
GAL_A11Y_E_CELL (cell), ATK_STATE_FOCUSED, FALSE);
} else
g_object_set_data (G_OBJECT (a11y), "gail-focus-object", NULL);
if (notify && cell)
g_signal_emit_by_name (a11y, "active-descendant-changed", cell);
}
static AtkStateSet *
gal_a11y_e_cell_ref_state_set (AtkObject *accessible)
{
GalA11yECell *cell = GAL_A11Y_E_CELL (accessible);
g_return_val_if_fail (cell->state_set, NULL);
g_object_ref (cell->state_set);
return cell->state_set;
}
static void
cell_destroyed (gpointer data)
{
GalA11yECell * cell;
g_return_if_fail (GAL_A11Y_IS_E_CELL (data));
cell = GAL_A11Y_E_CELL (data);
g_return_if_fail (cell->item && G_IS_OBJECT (cell->item));
if (cell->item) {
g_object_unref (cell->item);
cell->item = NULL;
}
}
/* Static functions */
static const gchar *
gal_a11y_e_cell_get_name (AtkObject *a11y)
{
GalA11yECell *cell = GAL_A11Y_E_CELL (a11y);
ETableCol *ecol;
if (a11y->name != NULL && strcmp (a11y->name, ""))
return a11y->name;
if (cell->item != NULL) {
ecol = e_table_header_get_column (cell->item->header, cell->view_col);
if (ecol != NULL)
return ecol->text;
}
return _("Table Cell");
}
static void
subcell_destroyed (gpointer data)
{
GalA11yECell *cell;
AtkObject *parent;
GalA11yECellVbox *gaev;
g_return_if_fail (GAL_A11Y_IS_E_CELL (data));
cell = GAL_A11Y_E_CELL (data);
parent = atk_object_get_parent (ATK_OBJECT (cell));
g_return_if_fail (GAL_A11Y_IS_E_CELL_VBOX (parent));
gaev = GAL_A11Y_E_CELL_VBOX (parent);
if (cell->view_col < gaev->a11y_subcell_count)
gaev->a11y_subcells[cell->view_col] = NULL;
}
static AtkObject *
ecv_ref_child (AtkObject *a11y,
gint i)
{
GalA11yECellVbox *gaev = GAL_A11Y_E_CELL_VBOX (a11y);
GalA11yECell *gaec = GAL_A11Y_E_CELL (a11y);
ECellVboxView *ecvv = (ECellVboxView *) (gaec->cell_view);
AtkObject *ret;
if (i < gaev->a11y_subcell_count) {
if (gaev->a11y_subcells[i] == NULL) {
ECellView *subcell_view;
gint model_col, row;
row = gaec->row;
model_col = ecvv->model_cols[i];
subcell_view = ecvv->subcell_views[i];
/* FIXME Should the view column use a fake
* one or the same as its parent? */
ret = gal_a11y_e_cell_registry_get_object (
NULL,
gaec->item,
subcell_view,
a11y,
model_col,
gaec->view_col,
row);
gaev->a11y_subcells[i] = ret;
g_object_ref (ret);
g_object_weak_ref (
G_OBJECT (ret),
(GWeakNotify) subcell_destroyed,
ret);
} else {
ret = (AtkObject *) gaev->a11y_subcells[i];
if (ATK_IS_OBJECT (ret))
g_object_ref (ret);
else
ret = NULL;
}
} else {
ret = NULL;
}
return ret;
}
static gboolean
is_valid (AtkObject *cell)
{
GalA11yECell *a11y = GAL_A11Y_E_CELL (cell);
GalA11yETableItem *a11yItem = GAL_A11Y_E_TABLE_ITEM (a11y->parent);
AtkStateSet *item_ss;
gboolean ret = TRUE;
item_ss = atk_object_ref_state_set (ATK_OBJECT (a11yItem));
if (atk_state_set_contains_state (item_ss, ATK_STATE_DEFUNCT))
ret = FALSE;
g_object_unref (item_ss);
if (ret && atk_state_set_contains_state (a11y->state_set, ATK_STATE_DEFUNCT))
ret = FALSE;
return ret;
}
/* Component IFace */
static void
gal_a11y_e_cell_get_extents (AtkComponent *component,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coord_type)
{
GalA11yECell *a11y = GAL_A11Y_E_CELL (component);
GtkWidget *tableOrTree;
gint row;
gint col;
gint xval;
gint yval;
row = a11y->row;
col = a11y->view_col;
tableOrTree = gtk_widget_get_parent (GTK_WIDGET (a11y->item->parent.canvas));
if (E_IS_TREE (tableOrTree)) {
e_tree_get_cell_geometry (
E_TREE (tableOrTree),
row, col, &xval, &yval,
width, height);
} else {
e_table_get_cell_geometry (
E_TABLE (tableOrTree),
row, col, &xval, &yval,
width, height);
}
atk_component_get_extents (
ATK_COMPONENT (a11y->parent),
x, y, NULL, NULL, coord_type);
if (x && *x != G_MININT)
*x += xval;
if (y && *y != G_MININT)
*y += yval;
}
static void
gal_a11y_e_cell_dispose (GObject *object)
{
GalA11yECell *a11y = GAL_A11Y_E_CELL (object);
#if 0
if (a11y->item)
g_object_unref (a11y->item); /*, unref_item, a11y); */
if (a11y->cell_view)
g_object_unref (a11y->cell_view); /*, unref_cell, a11y); */
if (a11y->parent)
g_object_unref (a11y->parent);
#endif
if (a11y->state_set) {
g_object_unref (a11y->state_set);
a11y->state_set = NULL;
}
if (parent_class->dispose)
parent_class->dispose (object);
}
static AtkObject *
gal_a11y_e_cell_get_parent (AtkObject *accessible)
{
GalA11yECell *a11y = GAL_A11Y_E_CELL (accessible);
return a11y->parent;
}
