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-rw-r--r--widgets/table/a11y/gal-a11y-e-cell-toggle.c191
1 files changed, 191 insertions, 0 deletions
diff --git a/widgets/table/a11y/gal-a11y-e-cell-toggle.c b/widgets/table/a11y/gal-a11y-e-cell-toggle.c
new file mode 100644
index 0000000000..23114b0373
--- /dev/null
+++ b/widgets/table/a11y/gal-a11y-e-cell-toggle.c
@@ -0,0 +1,191 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Authors:
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#include <gtk/gtk.h>
+
+#include "table/e-cell-toggle.h"
+#include "table/e-table-model.h"
+#include <glib/gi18n.h>
+
+#include "gal-a11y-e-cell-toggle.h"
+
+#define PARENT_TYPE (gal_a11y_e_cell_get_type ())
+static GObjectClass *parent_class;
+
+static void gal_a11y_e_cell_toggle_class_init (GalA11yECellToggleClass *klass);
+
+static void
+gal_a11y_e_cell_toggle_dispose (GObject *object)
+{
+ GalA11yECellToggle *a11y = GAL_A11Y_E_CELL_TOGGLE (object);
+
+ ETableModel *e_table_model = GAL_A11Y_E_CELL (a11y)->item->table_model;
+
+ if (e_table_model && a11y->model_id > 0) {
+ g_signal_handler_disconnect (e_table_model, a11y->model_id);
+ a11y->model_id = 0;
+ }
+
+ if (parent_class->dispose)
+ parent_class->dispose (object);
+}
+
+GType
+gal_a11y_e_cell_toggle_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type)
+ {
+ static const GTypeInfo tinfo =
+ {
+ sizeof (GalA11yECellToggleClass),
+ (GBaseInitFunc) NULL, /* base init */
+ (GBaseFinalizeFunc) NULL, /* base finalize */
+ (GClassInitFunc) gal_a11y_e_cell_toggle_class_init, /* class init */
+ (GClassFinalizeFunc) NULL, /* class finalize */
+ NULL, /* class data */
+ sizeof (GalA11yECellToggle), /* instance size */
+ 0, /* nb preallocs */
+ NULL, /* instance init */
+ NULL /* value table */
+ };
+
+
+ type = g_type_register_static (GAL_A11Y_TYPE_E_CELL,
+ "GalA11yECellToggle", &tinfo, 0);
+ gal_a11y_e_cell_type_add_action_interface (type);
+
+ }
+ return type;
+}
+
+
+static void
+gal_a11y_e_cell_toggle_class_init (GalA11yECellToggleClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->dispose = gal_a11y_e_cell_toggle_dispose;
+ parent_class = g_type_class_ref (PARENT_TYPE);
+}
+
+static void
+toggle_cell_action (GalA11yECell *cell)
+{
+ gint finished;
+ GdkEventButton event;
+ gint x, y, width, height;
+ gint row, col;
+
+ row = cell->row;
+ col = cell->view_col;
+
+ e_table_item_get_cell_geometry (cell->item, &row, &col,
+ &x, &y, &width, &height);
+
+ event.x = x + width / 2 + (int)(GNOME_CANVAS_ITEM (cell->item)->x1);
+ event.y = y + height / 2 + (int)(GNOME_CANVAS_ITEM (cell->item)->y1);
+
+ event.type = GDK_BUTTON_PRESS;
+ event.window = GTK_LAYOUT(GNOME_CANVAS_ITEM(cell->item)->canvas)->bin_window;
+ event.button = 1;
+ event.send_event = TRUE;
+ event.time = GDK_CURRENT_TIME;
+ event.axes = NULL;
+
+ g_signal_emit_by_name (cell->item, "event", &event, &finished);
+}
+
+static void
+model_change_cb (ETableModel *etm,
+ gint col,
+ gint row,
+ GalA11yECell *cell)
+{
+ gint value;
+
+ if (col == cell->model_col && row == cell->row) {
+
+ value = GPOINTER_TO_INT (
+ e_table_model_value_at (cell->cell_view->e_table_model,
+ cell->model_col, cell->row));
+ /* Cheat gnopernicus, or it will ignore the state change signal */
+ atk_focus_tracker_notify (ATK_OBJECT (cell));
+
+ if (value)
+ gal_a11y_e_cell_add_state (cell, ATK_STATE_CHECKED, TRUE);
+ else
+ gal_a11y_e_cell_remove_state (cell, ATK_STATE_CHECKED, TRUE);
+ }
+}
+
+
+AtkObject*
+gal_a11y_e_cell_toggle_new (ETableItem *item,
+ ECellView *cell_view,
+ AtkObject *parent,
+ int model_col,
+ int view_col,
+ int row)
+{
+ AtkObject *a11y;
+ GalA11yECell *cell;
+ GalA11yECellToggle *toggle_cell;
+ gint value;
+
+ a11y = ATK_OBJECT(g_object_new (GAL_A11Y_TYPE_E_CELL_TOGGLE, NULL));
+
+ g_return_val_if_fail (a11y != NULL, NULL);
+
+ cell = GAL_A11Y_E_CELL(a11y);
+ toggle_cell = GAL_A11Y_E_CELL_TOGGLE(a11y);
+ a11y->role = ATK_ROLE_TABLE_CELL;
+
+ gal_a11y_e_cell_construct (a11y,
+ item,
+ cell_view,
+ parent,
+ model_col,
+ view_col,
+ row);
+
+ gal_a11y_e_cell_add_action (cell,
+ _("toggle"), /* action name*/
+ _("toggle the cell"), /* action description */
+ NULL, /* action keybinding */
+ toggle_cell_action);
+
+ toggle_cell->model_id = g_signal_connect (item->table_model,
+ "model_cell_changed",
+ (GCallback) model_change_cb,
+ a11y);
+
+ value = GPOINTER_TO_INT (
+ e_table_model_value_at (cell->cell_view->e_table_model,
+ cell->model_col, cell->row));
+ if (value)
+ gal_a11y_e_cell_add_state (cell, ATK_STATE_CHECKED, FALSE);
+ else
+ gal_a11y_e_cell_remove_state (cell, ATK_STATE_CHECKED, FALSE);
+
+ return a11y;
+}