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/*
* [ ctwm ]
*
* Copyright 2014 Olaf Seibert
*
* Permission to use, copy, modify and distribute this software [ctwm]
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Olaf Seibert not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. Olaf Seibert
* makes no representations about the suitability of this software for
* any purpose. It is provided "as is" without express or implied
* warranty.
*
* Olaf Seibert DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL Olaf Seibert BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
* USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Olaf Seibert [ rhialto@falu.nl ][ May 2014 ]
*/
/*
* Code to look at a few Motif Window Manager hints.
*
* Only the bits marked [v] are actually looked at.
* For the rest, ctwm has no concept, really.
*
* For some information about the meaning of the flags, see
* the manual page VendorShell(3) from the Motif library.
*/
#include "ctwm.h"
#include <stdio.h>
#include "ctwm_atoms.h"
#include "mwmhints.h"
int GetMWMHints(Window w, MotifWmHints *mwmHints)
{
int success;
Atom actual_type;
int actual_format;
unsigned long nitems;
unsigned long bytes_after;
unsigned long *prop = NULL;
/* Defaults for when not found */
mwmHints->flags = 0;
mwmHints->functions = 0;
mwmHints->decorations = 0;
#ifdef FULL_MWM_DATA
mwmHints->input_mode = 0;
mwmHints->status = 0;
#endif
success = XGetWindowProperty(
dpy, w, XA__MOTIF_WM_HINTS,
0, 5, /* long_offset, long long_length, */
False, /* Bool delete, */
AnyPropertyType,/* Atom req_type */
&actual_type, /* Atom *actual_type_return, */
&actual_format, /* int *actual_format_return, */
&nitems, /* unsigned long *nitems_return, */
&bytes_after, /* unsigned long * */
(unsigned char **)&prop); /* unsigned char ** */
if(success == Success &&
actual_type == XA__MOTIF_WM_HINTS &&
actual_format == 32 &&
nitems >= 3) {
mwmHints->flags = (int)prop[0];
mwmHints->functions = (int)prop[1];
mwmHints->decorations = (int)prop[2];
#ifdef FULL_MWM_DATA
mwmHints->input_mode = (int)prop[3];
mwmHints->status = (int)prop[4];
#endif
if(mwmHints->flags & MWM_HINTS_FUNCTIONS) {
if(mwmHints->functions & MWM_FUNC_ALL) {
mwmHints->functions ^= ~0;
}
}
if(mwmHints->flags & MWM_HINTS_DECORATIONS) {
if(mwmHints->decorations & MWM_DECOR_ALL) {
mwmHints->decorations ^= ~0;
}
}
success = True;
}
else {
success = False;
}
if(prop != NULL) {
XFree(prop);
}
return success;
}
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