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120 lines
3.5 KiB
C
120 lines
3.5 KiB
C
/* GAIL - The GNOME Accessibility Enabling Library
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* Copyright 2001 Sun Microsystems Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "gailbooleancell.h"
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static void gail_boolean_cell_class_init (GailBooleanCellClass *klass);
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static void gail_boolean_cell_init (GailBooleanCell *cell);
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/* Misc */
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static gboolean gail_boolean_cell_update_cache (GailRendererCell *cell,
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gboolean emit_change_signal);
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gchar *gail_boolean_cell_property_list[] = {
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"active",
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"radio",
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"sensitive",
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NULL
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};
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G_DEFINE_TYPE (GailBooleanCell, gail_boolean_cell, GAIL_TYPE_RENDERER_CELL)
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static void
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gail_boolean_cell_class_init (GailBooleanCellClass *klass)
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{
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GailRendererCellClass *renderer_cell_class = GAIL_RENDERER_CELL_CLASS (klass);
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renderer_cell_class->update_cache = gail_boolean_cell_update_cache;
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renderer_cell_class->property_list = gail_boolean_cell_property_list;
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}
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static void
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gail_boolean_cell_init (GailBooleanCell *cell)
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{
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}
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AtkObject*
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gail_boolean_cell_new (void)
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{
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GObject *object;
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AtkObject *atk_object;
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GailRendererCell *cell;
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GailBooleanCell *boolean_cell;
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object = g_object_new (GAIL_TYPE_BOOLEAN_CELL, NULL);
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g_return_val_if_fail (object != NULL, NULL);
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atk_object = ATK_OBJECT (object);
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atk_object->role = ATK_ROLE_TABLE_CELL;
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cell = GAIL_RENDERER_CELL(object);
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boolean_cell = GAIL_BOOLEAN_CELL(object);
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cell->renderer = gtk_cell_renderer_toggle_new ();
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g_object_ref_sink (cell->renderer);
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boolean_cell->cell_value = FALSE;
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boolean_cell->cell_sensitive = TRUE;
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return atk_object;
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}
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static gboolean
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gail_boolean_cell_update_cache (GailRendererCell *cell,
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gboolean emit_change_signal)
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{
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GailBooleanCell *boolean_cell = GAIL_BOOLEAN_CELL (cell);
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gboolean rv = FALSE;
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gboolean new_boolean;
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gboolean new_sensitive;
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g_object_get (G_OBJECT(cell->renderer), "active", &new_boolean,
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"sensitive", &new_sensitive, NULL);
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if (boolean_cell->cell_value != new_boolean)
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{
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rv = TRUE;
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boolean_cell->cell_value = !(boolean_cell->cell_value);
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/* Update cell's state */
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if (new_boolean)
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gail_cell_add_state (GAIL_CELL (cell), ATK_STATE_CHECKED, emit_change_signal);
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else
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gail_cell_remove_state (GAIL_CELL (cell), ATK_STATE_CHECKED, emit_change_signal);
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}
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if (boolean_cell->cell_sensitive != new_sensitive)
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{
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rv = TRUE;
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boolean_cell->cell_sensitive = !(boolean_cell->cell_sensitive);
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/* Update cell's state */
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if (new_sensitive)
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gail_cell_add_state (GAIL_CELL (cell), ATK_STATE_SENSITIVE, emit_change_signal);
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else
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gail_cell_remove_state (GAIL_CELL (cell), ATK_STATE_SENSITIVE, emit_change_signal);
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}
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return rv;
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}
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