gtk2/gtk/gtkcelleditable.c

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/* gtkcelleditable.c
* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*/
#include "gtkcelleditable.h"
#include "gtksignal.h"
static void gtk_cell_editable_base_init (gpointer g_class);
GtkType
gtk_cell_editable_get_type (void)
{
static GtkType cell_editable_type = 0;
if (! cell_editable_type)
{
static const GTypeInfo cell_editable_info =
{
sizeof (GtkCellEditableIface), /* class_size */
gtk_cell_editable_base_init, /* base_init */
NULL, /* base_finalize */
NULL,
NULL, /* class_finalize */
NULL, /* class_data */
0,
0,
NULL
};
cell_editable_type = g_type_register_static (G_TYPE_INTERFACE, "GtkCellEditable", &cell_editable_info, 0);
g_type_interface_add_prerequisite (cell_editable_type, GTK_TYPE_WIDGET);
}
return cell_editable_type;
}
static void
gtk_cell_editable_base_init (gpointer g_class)
{
static gboolean initialized = FALSE;
if (! initialized)
{
g_signal_new ("editing_done",
GTK_TYPE_CELL_EDITABLE,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkCellEditableIface, editing_done),
NULL, NULL,
gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
g_signal_new ("remove_widget",
GTK_TYPE_CELL_EDITABLE,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkCellEditableIface, remove_widget),
NULL, NULL,
gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
initialized = TRUE;
}
}
/**
* gtk_cell_editable_start_editing:
* @cell_editable: A #GtkCellEditable
* @event: A #GdkEvent, or %NULL
*
* Begins editing on a @cell_editable. @event is the #GdkEvent that began the
* editing process. It may be %NULL, in the instance that editing was initiated
* through programatic means.
**/
void
gtk_cell_editable_start_editing (GtkCellEditable *cell_editable,
GdkEvent *event)
{
g_return_if_fail (GTK_IS_CELL_EDITABLE (cell_editable));
g_return_if_fail (GTK_CELL_EDITABLE_GET_IFACE (cell_editable)->start_editing != NULL);
(* GTK_CELL_EDITABLE_GET_IFACE (cell_editable)->start_editing) (cell_editable, event);
}
/**
* gtk_cell_editable_editing_done:
* @cell_editable: A #GtkTreeEditable
*
* Emits the "editing_done" signal. This signal is a sign for the cell renderer
* to update it's value from the cell.
**/
void
gtk_cell_editable_editing_done (GtkCellEditable *cell_editable)
{
g_return_if_fail (GTK_IS_CELL_EDITABLE (cell_editable));
g_signal_emit_by_name (cell_editable, "editing_done");
}
/**
* gtk_cell_editable_remove_widget:
* @cell_editable: A #GtkTreeEditable
*
* Emits the "remove_widget" signal. This signal is meant to indicate that the
* cell is finished editing, and the widget may now be destroyed.
**/
void
gtk_cell_editable_remove_widget (GtkCellEditable *cell_editable)
{
g_return_if_fail (GTK_IS_CELL_EDITABLE (cell_editable));
g_signal_emit_by_name (cell_editable, "remove_widget");
}