* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "gtktextviewaccessible.h"
+#include "gtk/gtkwidgetprivate.h"
-static void setup_buffer (GtkTextView *view,GtkTextViewAccessible *accessible);
static void insert_text_cb (GtkTextBuffer *buffer,
GtkTextIter *arg1,
gchar *arg2,
{
ATK_OBJECT_CLASS (_gtk_text_view_accessible_parent_class)->initialize (obj, data);
- setup_buffer (GTK_TEXT_VIEW (data), GTK_TEXT_VIEW_ACCESSIBLE (obj));
-
obj->role = ATK_ROLE_TEXT;
}
editable = gtk_text_view_get_editable (GTK_TEXT_VIEW (obj));
atk_object_notify_state_change (atk_obj, ATK_STATE_EDITABLE, editable);
}
- else if (!strcmp (pspec->name, "buffer"))
- {
- setup_buffer (GTK_TEXT_VIEW (obj), GTK_TEXT_VIEW_ACCESSIBLE (atk_obj));
- }
else
GTK_WIDGET_ACCESSIBLE_CLASS (_gtk_text_view_accessible_parent_class)->notify_gtk (obj, pspec);
}
return state_set;
}
+static void
+gtk_text_view_accessible_change_buffer (GtkTextViewAccessible *accessible,
+ GtkTextBuffer *old_buffer,
+ GtkTextBuffer *new_buffer)
+{
+ if (old_buffer)
+ {
+ g_signal_handlers_disconnect_matched (old_buffer, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, accessible);
+ }
+
+ if (new_buffer)
+ {
+ g_signal_connect_after (new_buffer, "insert-text", G_CALLBACK (insert_text_cb), accessible);
+ g_signal_connect (new_buffer, "delete-range", G_CALLBACK (delete_range_cb), accessible);
+ g_signal_connect_after (new_buffer, "mark-set", G_CALLBACK (mark_set_cb), accessible);
+ }
+}
+
+static void
+gtk_text_view_accessible_widget_set (GtkAccessible *accessible)
+{
+ gtk_text_view_accessible_change_buffer (GTK_TEXT_VIEW_ACCESSIBLE (accessible),
+ NULL,
+ gtk_text_view_get_buffer (GTK_TEXT_VIEW (gtk_accessible_get_widget (accessible))));
+}
+
+static void
+gtk_text_view_accessible_widget_unset (GtkAccessible *accessible)
+{
+ gtk_text_view_accessible_change_buffer (GTK_TEXT_VIEW_ACCESSIBLE (accessible),
+ gtk_text_view_get_buffer (GTK_TEXT_VIEW (gtk_accessible_get_widget (accessible))),
+ NULL);
+}
+
static void
_gtk_text_view_accessible_class_init (GtkTextViewAccessibleClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+ GtkAccessibleClass *accessible_class = GTK_ACCESSIBLE_CLASS (klass);
GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass;
+ accessible_class->widget_set = gtk_text_view_accessible_widget_set;
+ accessible_class->widget_unset = gtk_text_view_accessible_widget_unset;
+
class->ref_state_set = gtk_text_view_accessible_ref_state_set;
class->initialize = gtk_text_view_accessible_initialize;
{
}
-static void
-setup_buffer (GtkTextView *view,
- GtkTextViewAccessible *accessible)
-{
- GtkTextBuffer *buffer;
-
- buffer = gtk_text_view_get_buffer (view);
-
- /* Set up signal callbacks */
- g_signal_connect_after (buffer, "insert-text", G_CALLBACK (insert_text_cb), view);
- g_signal_connect (buffer, "delete-range", G_CALLBACK (delete_range_cb), view);
- g_signal_connect_after (buffer, "mark-set", G_CALLBACK (mark_set_cb), view);
-}
-
static gchar *
gtk_text_view_accessible_get_text (AtkText *text,
gint start_offset,
gint len,
gpointer data)
{
- GtkTextView *view = data;
- GtkTextViewAccessible *accessible;
+ GtkTextViewAccessible *accessible = data;
gint position;
gint length;
- accessible = GTK_TEXT_VIEW_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (view)));
-
position = gtk_text_iter_get_offset (iter);
length = g_utf8_strlen (text, len);
GtkTextIter *end,
gpointer data)
{
- GtkTextView *view = data;
- GtkTextViewAccessible *accessible;
+ GtkTextViewAccessible *accessible = data;
gint offset, length;
- accessible = GTK_TEXT_VIEW_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (view)));
-
offset = gtk_text_iter_get_offset (start);
length = gtk_text_iter_get_offset (end) - offset;
GtkTextMark *mark,
gpointer data)
{
- GtkTextView *text = data;
- GtkTextViewAccessible *accessible;
-
- accessible = GTK_TEXT_VIEW_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (text)));
+ GtkTextViewAccessible *accessible = data;
/*
* Only generate the signal for the "insert" mark, which
iface->get_mime_type = gail_streamable_content_get_mime_type;
iface->get_stream = gail_streamable_content_get_stream;
}
+
+void
+_gtk_text_view_accessible_set_buffer (GtkTextView *textview,
+ GtkTextBuffer *old_buffer)
+{
+ GtkTextViewAccessible *accessible;
+
+ g_return_if_fail (GTK_IS_TEXT_VIEW (textview));
+ g_return_if_fail (old_buffer == NULL || GTK_IS_TEXT_BUFFER (old_buffer));
+
+ accessible = GTK_TEXT_VIEW_ACCESSIBLE (_gtk_widget_peek_accessible (GTK_WIDGET (textview)));
+ if (accessible == NULL)
+ return;
+
+ gtk_text_view_accessible_change_buffer (accessible,
+ old_buffer,
+ gtk_text_view_get_buffer (textview));
+}
+