diff options
Diffstat (limited to 'widgets/table/a11y/gal-a11y-e-cell-toggle.c')
| -rw-r--r-- | widgets/table/a11y/gal-a11y-e-cell-toggle.c | 191 |
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; +} |