minix/dist/nvi/motif/m_cde.c

151 lines
3.2 KiB
C
Raw Normal View History

/* $NetBSD: m_cde.c,v 1.1.1.2 2008/05/18 14:31:25 aymeric Exp $ */
/*-
* Copyright (c) 1996
* Rob Zimmermann. All rights reserved.
* Copyright (c) 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "Id: m_cde.c,v 8.11 2003/11/05 17:09:58 skimo Exp (Berkeley) Date: 2003/11/05 17:09:58";
#endif /* not lint */
#include <sys/types.h>
#include <sys/queue.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <bitstring.h>
#include <stdio.h>
#undef LOCK_SUCCESS
#include "../common/common.h"
#include "extern.h"
#if SelfTest
#define _TRACE( x ) printf x
#else
#define _TRACE( x )
#endif
#define Required 10
#define Useful 3
#define Present (Required+Useful)
static struct {
char *name;
int value;
} Atoms[] = {
{ "_VUE_SM_WINDOW_INFO", Required, /* "vue" */ },
{ "_DT_SM_WINDOW_INFO", Required, /* "dtwm" */ },
{ "_SUN_WM_PROTOCOLS", Useful, /* "olwm" */ },
{ "_MOTIF_WM_INFO", Useful, /* "mwm/dtwm" */ },
};
/*
* is_cde --
*
* When running under CDE (or VUE on HPUX) applications should not define
* fallback colors (or fonts). The only way to tell is to check the atoms
* attached to the server. This routine does that.
*
* PUBLIC: int is_cde __P((Display *));
*/
int
is_cde(Display *d)
{
int i, r, format;
unsigned long nitems, remaining;
unsigned char *prop;
Window root = DefaultRootWindow( d );
Atom atom, type;
int retval = 0;
_TRACE( ( "Root window is 0x%x\n", root ) );
/* create our atoms */
for (i=0; i< (sizeof(Atoms)/sizeof(Atoms[0])); i++ ) {
atom = XInternAtom( d, Atoms[i].name, True );
if ( atom == None ) {
_TRACE( ( "Atom \"%s\" does not exist\n", Atoms[i].name ) );
continue;
}
/* what is the value of the atom? */
r = XGetWindowProperty( d,
root,
atom,
0,
1024,
False, /* do not delete */
AnyPropertyType, /* request type */
&type, /* actual type */
&format, /* byte size */
&nitems, /* number of items */
&remaining, /* anything left over? */
&prop /* the data itself */
);
if ( r != Success ) {
_TRACE( ( "Atom \"%s\" cannot be converted to string\n", Atoms[i].name ) );
continue;
}
retval += Atoms[i].value;
#if SelfTest
_TRACE( ( "Atom \"%s\"\n", Atoms[i].name ) );
switch ( type ) {
case 0:
_TRACE( ( "\t does not exist on the root window\n", Atoms[i].name ) );
case XA_ATOM:
for (j=0; j<nitems; j++) {
name = XGetAtomName( d, ((Atom *) prop)[j] );
_TRACE( ( "\t[%d] = \"%s\"\n", j, name ) );
XFree( name );
}
break;
case XA_STRING:
_TRACE( ( "\t is a string\n", Atoms[i].name ) );
break;
default:
_TRACE( ( "\tunknown type %s\n", XGetAtomName( d, type ) ) );
break;
}
#endif
/* done */
XFree( (caddr_t) prop );
}
_TRACE( ( "retval = %d\n", retval ) );
return retval >= Present;
}
#if SelfTest
main () {
Display *d = XOpenDisplay( 0 );
if ( d == 0 )
printf ( "Could not open display\n" );
else {
printf ( "_vi_is_cde() == %d\n", _vi_is_cde( d ) );
XCloseDisplay( d );
}
}
#endif