SetSens.c revision 444c061a 
1/* $Xorg: SetSens.c,v 1.4 2001/02/09 02:03:58 xorgcvs Exp $ */
2
3/***********************************************************
4Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts
5Copyright 1993 by Sun Microsystems, Inc. Mountain View, CA.
6
7                        All Rights Reserved
8
9Permission to use, copy, modify, and distribute this software and its
10documentation for any purpose and without fee is hereby granted,
11provided that the above copyright notice appear in all copies and that
12both that copyright notice and this permission notice appear in
13supporting documentation, and that the names of Digital or Sun not be
14used in advertising or publicity pertaining to distribution of the
15software without specific, written prior permission.
16
17DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
18ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
19DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
20ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
21WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
22ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
23SOFTWARE.
24
25SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO  THIS  SOFTWARE,
26INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
27NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE  LI-
28ABLE  FOR  ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,  DATA  OR
30PROFITS,  WHETHER  IN  AN  ACTION OF CONTRACT, NEGLIGENCE OR
31OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
32THE USE OR PERFORMANCE OF THIS SOFTWARE.
33
34******************************************************************/
35
36/*
37
38Copyright 1987, 1988, 1998  The Open Group
39
40Permission to use, copy, modify, distribute, and sell this software and its
41documentation for any purpose is hereby granted without fee, provided that
42the above copyright notice appear in all copies and that both that
43copyright notice and this permission notice appear in supporting
44documentation.
45
46The above copyright notice and this permission notice shall be included in
47all copies or substantial portions of the Software.
48
49THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
50IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
51FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
52OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
53AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
54CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
55
56Except as contained in this notice, the name of The Open Group shall not be
57used in advertising or otherwise to promote the sale, use or other dealings
58in this Software without prior written authorization from The Open Group.
59
60*/
61/* $XFree86: xc/lib/Xt/SetSens.c,v 1.3 2001/12/14 19:56:29 dawes Exp $ */
62
63#ifdef HAVE_CONFIG_H
64#include <config.h>
65#endif
66#include "IntrinsicI.h"
67#include "StringDefs.h"
68
69/*
70 *	XtSetSensitive()
71 */
72
73static void SetAncestorSensitive(
74    register Widget widget,
75    Boolean	    ancestor_sensitive)
76{
77    Arg			args[1];
78    register Cardinal   i;
79    register WidgetList children;
80
81    if (widget->core.ancestor_sensitive == ancestor_sensitive) return;
82
83    XtSetArg(args[0], XtNancestorSensitive, ancestor_sensitive);
84    XtSetValues(widget, args, XtNumber(args));
85
86    /* If widget's sensitive is TRUE, propagate new ancestor_sensitive to
87       children's ancestor_sensitive; else do nothing as children's
88       ancestor_sensitive is already FALSE */
89
90    if (widget->core.sensitive && XtIsComposite(widget)) {
91	children = ((CompositeWidget) widget)->composite.children;
92	for (i=0; i < ((CompositeWidget)widget)->composite.num_children; i++) {
93	    SetAncestorSensitive (children[i], ancestor_sensitive);
94	}
95    }
96} /* SetAncestorSensitive */
97
98
99void XtSetSensitive(
100    register Widget widget,
101    _XtBoolean	    sensitive)
102{
103    Arg			args[1];
104    register Cardinal   i;
105    register WidgetList children;
106    WIDGET_TO_APPCON(widget);
107
108    LOCK_APP(app);
109    if (widget->core.sensitive == sensitive) {
110	UNLOCK_APP(app);
111	return;
112    }
113
114    XtSetArg(args[0], XtNsensitive, sensitive);
115    XtSetValues(widget, args, XtNumber(args));
116
117    /* If widget's ancestor_sensitive is TRUE, propagate new sensitive to
118       children's ancestor_sensitive; else do nothing as children's
119       ancestor_sensitive is already FALSE */
120
121    if (widget->core.ancestor_sensitive && XtIsComposite (widget)) {
122	children = ((CompositeWidget) widget)->composite.children;
123	for (i = 0; i < ((CompositeWidget)widget)->composite.num_children; i++){
124	    SetAncestorSensitive (children[i], sensitive);
125	}
126    }
127    UNLOCK_APP(app);
128} /* XtSetSensitive */
129