add two files to sort table items. add table header. ditto.

2005-05-20  Li Yuan <li.yuan@sun.com>

        * gal/a11y/e-table/Makefile.am:
        * gal/a11y/e-table/gal-a11y-e-table-column-header.c:
        * gal/a11y/e-table/gal-a11y-e-table-column-header.h:
        add two files to sort table items.
        * gal/a11y/e-table/gal-a11y-e-cell.c:
        (gal_a11y_e_cell_get_index_in_parent):
        add table header.
        * gal/a11y/e-table/gal-a11y-e-table-item.c: (eti_get_n_children):
        (eti_ref_child), (eti_get_n_rows), (eti_get_column_header):
        ditto.

        Fixes #302154

svn path=/trunk/; revision=29394

1 files changed, 212 insertions, 0 deletions

diff --git a/a11y/e-table/gal-a11y-e-table-column-header.c b/a11y/e-table/gal-a11y-e-table-column-header.c
new file mode 100644
index 0000000000..3891c884e0
--- /dev/null
+++ b/a11y/e-table/gal-a11y-e-table-column-header.c
@@ -0,0 +1,212 @@
+/* Evolution Accessibility: gal-a11y-e-table-column-header.h
+ *
+ * Author: Li Yuan <li.yuan@sun.com>
+ *
+ */
+
+#include <config.h>
+#include <glib/gi18n.h>
+#include <atk/atkobject.h>
+#include <atk/atkregistry.h>
+#include "gal/e-table/e-table-header-item.h"
+#include "gal/a11y/gal-a11y-util.h"
+#include "gal-a11y-e-table-column-header.h"
+
+static GObjectClass *parent_class;
+static gint priv_offset;
+
+#define GET_PRIVATE(object) ((GalA11yETableColumnHeaderPrivate *) (((char *) object) + priv_offset))
+#define PARENT_TYPE (atk_gobject_accessible_get_type ())
+
+struct _GalA11yETableColumnHeaderPrivate {
+	ETableItem *item;
+	AtkObject  *parent;
+	AtkStateSet *state_set;
+};
+
+static void
+etch_init (GalA11yETableColumnHeader *a11y)
+{
+	GET_PRIVATE (a11y)->item = NULL;
+	GET_PRIVATE (a11y)->parent = NULL;
+	GET_PRIVATE (a11y)->state_set = NULL;
+}
+
+static AtkStateSet *
+gal_a11y_e_table_column_header_ref_state_set (AtkObject *accessible)
+{
+	GalA11yETableColumnHeaderPrivate *priv = GET_PRIVATE (accessible);
+
+	g_return_val_if_fail (priv->state_set, NULL);
+
+	g_object_ref(priv->state_set);
+
+	return priv->state_set;
+}
+
+static void
+gal_a11y_e_table_column_header_real_initialize (AtkObject *obj, gpointer data)
+{
+	ATK_OBJECT_CLASS (parent_class)->initialize (obj, data);
+}
+
+static void
+gal_a11y_e_table_column_header_dispose (GObject *object)
+{
+	GalA11yETableColumnHeader *a11y = GAL_A11Y_E_TABLE_COLUMN_HEADER (object);
+	GalA11yETableColumnHeaderPrivate *priv = GET_PRIVATE (a11y);	
+
+	if (priv->state_set) {
+		g_object_unref (priv->state_set);
+		priv->state_set = NULL;
+	}
+
+	if (parent_class->dispose)
+		parent_class->dispose (object);
+	
+}
+
+static void
+etch_class_init (GalA11yETableColumnHeaderClass *klass)
+{
+	AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	parent_class = g_type_class_ref (PARENT_TYPE);
+
+	object_class->dispose = gal_a11y_e_table_column_header_dispose;
+
+	class->ref_state_set = gal_a11y_e_table_column_header_ref_state_set;
+	class->initialize = gal_a11y_e_table_column_header_real_initialize;
+}
+
+inline static GObject *
+etch_a11y_get_gobject (AtkGObjectAccessible *accessible)
+{
+	return atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible));
+}
+
+static gboolean
+gal_a11y_e_table_column_header_do_action (AtkAction *action,
+					  gint      i)
+{
+	gboolean return_value = TRUE;
+	GtkWidget *widget;
+	GalA11yETableColumnHeader *a11y;
+	ETableHeaderItem *ethi;
+	ETableItem *item;
+	ETableCol *col;
+
+	switch (i) {
+		case 0:
+			a11y = GAL_A11Y_E_TABLE_COLUMN_HEADER (action);
+			col = E_TABLE_COL (etch_a11y_get_gobject (ATK_GOBJECT_ACCESSIBLE (a11y)));
+			item = GET_PRIVATE (a11y)->item;
+			widget = gtk_widget_get_parent (GTK_WIDGET (item->parent.canvas));
+			if (E_IS_TREE (widget)) {
+				ethi = E_TABLE_HEADER_ITEM (e_tree_get_header_item (E_TREE (widget)));
+			}
+			else if (E_IS_TABLE (widget))
+				ethi = E_TABLE_HEADER_ITEM (E_TABLE (widget)->header_item);
+			else 
+				break;
+			ethi_change_sort_state (ethi, col);
+		default:
+			return_value = FALSE;
+			break;
+	}
+	return return_value;
+}
+
+static gint
+gal_a11y_e_table_column_header_get_n_actions (AtkAction *action)
+{
+	return 1;
+}
+
+static G_CONST_RETURN gchar*
+gal_a11y_e_table_column_header_action_get_name (AtkAction *action,
+						gint      i)
+{
+	G_CONST_RETURN gchar *return_value;
+
+	switch (i) {
+		case 0:
+			return_value = _("sort");
+			break;
+		default:
+			return_value = NULL;
+			break;
+	}
+	return return_value;
+}
+
+static void
+atk_action_interface_init (AtkActionIface *iface)
+{
+	g_return_if_fail (iface != NULL);
+
+	iface->do_action = gal_a11y_e_table_column_header_do_action;
+	iface->get_n_actions = gal_a11y_e_table_column_header_get_n_actions;
+	iface->get_name = gal_a11y_e_table_column_header_action_get_name;
+}
+
+GType
+gal_a11y_e_table_column_header_get_type (void)
+{
+	static GType type = 0;
+
+	if (!type) {
+		GTypeInfo info = {
+			sizeof (GalA11yETableColumnHeaderClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) etch_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL,
+			sizeof (GalA11yETableColumnHeader),
+			0,
+			(GInstanceInitFunc) etch_init,
+			NULL
+		};
+		static const GInterfaceInfo atk_action_info = {
+			(GInterfaceInitFunc) atk_action_interface_init,
+			(GInterfaceFinalizeFunc) NULL,
+			NULL
+		};
+
+		type = gal_a11y_type_register_static_with_private (PARENT_TYPE, "GalA11yETableColumnHeader", &info, 0,
+								sizeof (GalA11yETableColumnHeaderPrivate), &priv_offset);
+
+		g_type_add_interface_static (type, ATK_TYPE_ACTION, &atk_action_info);
+	}
+
+	return type;
+}
+
+AtkObject *
+gal_a11y_e_table_column_header_new (ETableCol *ecol, ETableItem *item)
+{
+	GalA11yETableColumnHeader *a11y;
+	AtkObject *accessible;
+
+	g_return_val_if_fail (E_IS_TABLE_COL (ecol), NULL);
+
+	a11y = g_object_new (gal_a11y_e_table_column_header_get_type(), NULL);
+	accessible  = ATK_OBJECT (a11y);
+	atk_object_initialize (accessible, ecol);
+
+	GET_PRIVATE (a11y)->item = item;
+	GET_PRIVATE (a11y)->state_set = atk_state_set_new ();
+
+	atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_VISIBLE);
+	atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_SHOWING);
+	atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_SENSITIVE);
+	atk_state_set_add_state (GET_PRIVATE(a11y)->state_set, ATK_STATE_ENABLED);
+
+	if (ecol->text)
+		atk_object_set_name (accessible, ecol->text);
+	atk_object_set_role (accessible, ATK_ROLE_TABLE_COLUMN_HEADER);
+
+	return ATK_OBJECT (a11y);
+}