135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
/*
|
|
* CDE - Common Desktop Environment
|
|
*
|
|
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
|
|
*
|
|
* These libraries and programs are free software; you can
|
|
* redistribute them and/or modify them 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)
|
|
* any later version.
|
|
*
|
|
* These libraries and programs are distributed in the hope that
|
|
* they 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 these libraries and programs; if not, write
|
|
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
|
|
* Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/*
|
|
* $XConsortium: obj_select.c /main/3 1995/11/06 18:38:49 rswiston $
|
|
*
|
|
* @(#)obj_select.c 1.10 11 Feb 1994 cde_app_builder/src/libABobj
|
|
*
|
|
* RESTRICTED CONFIDENTIAL INFORMATION:
|
|
*
|
|
* The information in this document is subject to special
|
|
* restrictions in a confidential disclosure agreement between
|
|
* HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
|
|
* document outside HP, IBM, Sun, USL, SCO, or Univel without
|
|
* Sun's specific written approval. This document and all copies
|
|
* and derivative works thereof must be returned or destroyed at
|
|
* Sun's request.
|
|
*
|
|
* Copyright 1993 Sun Microsystems, Inc. All rights reserved.
|
|
*
|
|
*/
|
|
|
|
|
|
/*
|
|
* obj_select.c - object selection
|
|
*/
|
|
|
|
#include "objP.h" /* must put private includes first! */
|
|
#include "obj_notifyP.h"
|
|
#include <ab_private/obj.h>
|
|
|
|
/*************************************************************************
|
|
** **
|
|
** Constants (#define and const) **
|
|
** **
|
|
**************************************************************************/
|
|
|
|
/*************************************************************************
|
|
** **
|
|
** Private Functions (C declarations and macros) **
|
|
** **
|
|
**************************************************************************/
|
|
|
|
/* logical exclusive or */
|
|
#ifndef util_xor
|
|
#define util_xor(a,b) ( ((a) && (!(b))) || ((!(a)) && (b)) )
|
|
#endif
|
|
|
|
static int obj_set_selected_false(ABObj obj);
|
|
static int obj_set_selected_true(ABObj obj);
|
|
|
|
|
|
/*************************************************************************
|
|
** **
|
|
** Data **
|
|
** **
|
|
**************************************************************************/
|
|
|
|
/*************************************************************************
|
|
** **
|
|
** Function Definitions **
|
|
** **
|
|
**************************************************************************/
|
|
|
|
int
|
|
obj_set_is_selected(ABObj obj, BOOL new_is_selected)
|
|
{
|
|
return (new_is_selected?
|
|
obj_set_selected_true(obj) : obj_set_selected_false(obj));
|
|
}
|
|
|
|
|
|
/*
|
|
* Sends notification only if the object's state changes
|
|
*/
|
|
static int
|
|
obj_set_selected_true(ABObj obj)
|
|
{
|
|
BOOL changed= !obj_is_selected(obj);
|
|
|
|
obj_set_impl_flags(obj, ObjFlagIsSelected);
|
|
|
|
if (changed)
|
|
{
|
|
objP_notify_send_selected_change(obj);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Sends notification only if the object's state changes
|
|
*/
|
|
static int
|
|
obj_set_selected_false(ABObj obj)
|
|
{
|
|
BOOL changed= obj_is_selected(obj);
|
|
|
|
obj_clear_impl_flags(obj, ObjFlagIsSelected);
|
|
|
|
if (changed)
|
|
{
|
|
objP_notify_send_selected_change(obj);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
BOOL
|
|
obj_is_selected(ABObj obj)
|
|
{
|
|
return obj_has_impl_flags(obj, ObjFlagIsSelected);
|
|
}
|
|
|