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Fixes # 50480

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

        Fixes # 50480

        * gal/a11y/e-table/gal-a11y-e-table-item: listen on "selection_model_removed" and "selection_model_added".

svn path=/trunk/; revision=23282
This commit is contained in:
Bolian Yin
2003-11-11 03:42:58 +00:00
committed by Bolian Yin
parent ad315e4a7d
commit 5a6f72675e
1 changed files with 100 additions and 2 deletions
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102
a11y/e-table/gal-a11y-e-table-item.c
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@ -32,6 +32,8 @@ static GQuark quark_accessible_object = 0;
struct _GalA11yETableItemPrivate { struct _GalA11yETableItemPrivate {
AtkObject *parent; AtkObject *parent;
gint index_in_parent; gint index_in_parent;
int selection_change_id;
int cursor_change_id;
}; };
#if 0 #if 0
@ -430,7 +432,7 @@ table_is_selected (AtkTable *table, gint row, gint column)
return table_is_row_selected (table, row); return table_is_row_selected (table, row);
} }
static gint static gint
table_get_selected_rows (AtkTable *table, gint **rows_selected) table_get_selected_rows (AtkTable *table, gint **rows_selected)
{ {
ETableItem *item; ETableItem *item;
@ -550,6 +552,8 @@ eti_init (GalA11yETableItem *a11y)
priv->parent = NULL; priv->parent = NULL;
priv->index_in_parent = -1; priv->index_in_parent = -1;
priv->selection_change_id = 0;
priv->cursor_change_id = 0;
} }
/* atk selection */ /* atk selection */
@ -564,6 +568,16 @@ static gint selection_get_selection_count (AtkSelection *s
static gboolean selection_is_child_selected (AtkSelection *selection, static gboolean selection_is_child_selected (AtkSelection *selection,
gint i); gint i);
/* callbacks */
static void eti_a11y_selection_model_removed_cb (ETableItem *eti,
ESelectionModel *selection,
gpointer data);
static void eti_a11y_selection_model_added_cb (ETableItem *eti,
ESelectionModel *selection,
gpointer data);
static void eti_a11y_selection_changed_cb (ESelectionModel *selection, GalA11yETableItem *a11y);
static void eti_a11y_cursor_changed_cb (ESelectionModel *selection,
int row, int col, GalA11yETableItem *a11y);
/** /**
* gal_a11y_e_table_item_get_type: * gal_a11y_e_table_item_get_type:
@ -641,6 +655,22 @@ gal_a11y_e_table_item_new (AtkObject *parent,
GET_PRIVATE (a11y)->parent = parent; GET_PRIVATE (a11y)->parent = parent;
GET_PRIVATE (a11y)->index_in_parent = index_in_parent; GET_PRIVATE (a11y)->index_in_parent = index_in_parent;
if (item) {
g_signal_connect (G_OBJECT(item), "selection_model_removed",
G_CALLBACK (eti_a11y_selection_model_removed_cb), NULL);
g_signal_connect (G_OBJECT(item), "selection_model_added",
G_CALLBACK (eti_a11y_selection_model_added_cb), NULL);
if (item->selection) {
GET_PRIVATE (a11y)->selection_change_id = g_signal_connect (
G_OBJECT(item->selection), "selection_changed",
G_CALLBACK (eti_a11y_selection_changed_cb), a11y);
GET_PRIVATE (a11y)->cursor_change_id = g_signal_connect (
G_OBJECT(item->selection), "cursor_changed",
G_CALLBACK (eti_a11y_cursor_changed_cb), a11y);
g_object_ref (item->selection);
}
}
if (parent) if (parent)
g_object_ref (parent); g_object_ref (parent);
@ -654,6 +684,74 @@ gal_a11y_e_table_item_new (AtkObject *parent,
return ATK_OBJECT (a11y); return ATK_OBJECT (a11y);
} }
/* callbacks */
static void
eti_a11y_selection_model_removed_cb (ETableItem *eti, ESelectionModel *selection,
gpointer data)
{
AtkObject *atk_obj;
GalA11yETableItem *a11y;
g_return_if_fail (E_IS_TABLE_ITEM (eti));
g_return_if_fail (E_IS_SELECTION_MODEL (selection));
atk_obj = atk_gobject_accessible_for_object (G_OBJECT (eti));
a11y = GAL_A11Y_E_TABLE_ITEM (atk_obj);
if (GET_PRIVATE (a11y)->selection_change_id != 0 &&
GET_PRIVATE (a11y)->cursor_change_id != 0) {
g_signal_handler_disconnect (selection,
GET_PRIVATE (a11y)->selection_change_id);
g_signal_handler_disconnect (selection,
GET_PRIVATE (a11y)->cursor_change_id);
GET_PRIVATE (a11y)->cursor_change_id = 0;
GET_PRIVATE (a11y)->selection_change_id = 0;
g_object_unref (selection);
}
}
static void
eti_a11y_selection_model_added_cb (ETableItem *eti, ESelectionModel *selection,
gpointer data)
{
AtkObject *atk_obj;
GalA11yETableItem *a11y;
g_return_if_fail (E_IS_TABLE_ITEM (eti));
g_return_if_fail (E_IS_SELECTION_MODEL (selection));
atk_obj = atk_gobject_accessible_for_object (G_OBJECT (eti));
a11y = GAL_A11Y_E_TABLE_ITEM (atk_obj);
GET_PRIVATE (a11y)->selection_change_id = g_signal_connect (
G_OBJECT(selection), "selection_changed",
G_CALLBACK (eti_a11y_selection_changed_cb), a11y);
GET_PRIVATE (a11y)->cursor_change_id = g_signal_connect (
G_OBJECT(selection), "cursor_changed",
G_CALLBACK (eti_a11y_cursor_changed_cb), a11y);
g_object_ref (selection);
}
static void
eti_a11y_selection_changed_cb (ESelectionModel *selection, GalA11yETableItem *a11y)
{
g_return_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (a11y));
g_signal_emit_by_name (a11y, "selection_changed");
}
static void
eti_a11y_cursor_changed_cb (ESelectionModel *selection,
int row, int col, GalA11yETableItem *a11y)
{
g_return_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (a11y));
g_signal_emit_by_name (a11y, "selection_changed");
}
/* atk selection */ /* atk selection */
static void atk_selection_interface_init (AtkSelectionIface *iface) static void atk_selection_interface_init (AtkSelectionIface *iface)
@ -708,7 +806,7 @@ selection_clear_selection (AtkSelection *selection)
return TRUE; return TRUE;
} }
static AtkObject* static AtkObject *
selection_ref_selection (AtkSelection *selection, gint index) selection_ref_selection (AtkSelection *selection, gint index)
{ {
AtkTable *table; AtkTable *table;