xref: /xsrc/external/mit/libX11/dist/src/SetHints.c

/***********************************************************

Copyright 1987, 1998  The Open Group

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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
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 Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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******************************************************************/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <limits.h>
#include <X11/Xlibint.h>
#include <X11/Xutil.h>
#include "Xatomtype.h"
#include <X11/Xatom.h>
#include <X11/Xos.h>
#include "reallocarray.h"

#define safestrlen(s) ((s) ? strlen(s) : 0)

int
XSetSizeHints(		/* old routine */
	Display *dpy,
	Window w,
	XSizeHints *hints,
        Atom property)
{
	xPropSizeHints prop;
	memset(&prop, 0, sizeof(prop));
	prop.flags = (hints->flags & (USPosition|USSize|PAllHints));
	if (hints->flags & (USPosition|PPosition)) {
	    prop.x = hints->x;
	    prop.y = hints->y;
	}
	if (hints->flags & (USSize|PSize)) {
	    prop.width = hints->width;
	    prop.height = hints->height;
	}
	if (hints->flags & PMinSize) {
	    prop.minWidth = hints->min_width;
	    prop.minHeight = hints->min_height;
	}
	if (hints->flags & PMaxSize) {
	    prop.maxWidth  = hints->max_width;
	    prop.maxHeight = hints->max_height;
	}
	if (hints->flags & PResizeInc) {
	    prop.widthInc = hints->width_inc;
	    prop.heightInc = hints->height_inc;
	}
	if (hints->flags & PAspect) {
	    prop.minAspectX = hints->min_aspect.x;
	    prop.minAspectY = hints->min_aspect.y;
	    prop.maxAspectX = hints->max_aspect.x;
	    prop.maxAspectY = hints->max_aspect.y;
	}
	return XChangeProperty (dpy, w, property, XA_WM_SIZE_HINTS, 32,
				PropModeReplace, (unsigned char *) &prop,
				OldNumPropSizeElements);
}

/*
 * XSetWMHints sets the property
 *	WM_HINTS 	type: WM_HINTS	format:32
 */

int
XSetWMHints (
	Display *dpy,
	Window w,
	XWMHints *wmhints)
{
	xPropWMHints prop;
	memset(&prop, 0, sizeof(prop));
	prop.flags = wmhints->flags;
	if (wmhints->flags & InputHint)
	    prop.input = (wmhints->input == True ? 1 : 0);
	if (wmhints->flags & StateHint)
	    prop.initialState = wmhints->initial_state;
	if (wmhints->flags & IconPixmapHint)
	    prop.iconPixmap = wmhints->icon_pixmap;
	if (wmhints->flags & IconWindowHint)
	    prop.iconWindow = wmhints->icon_window;
	if (wmhints->flags & IconPositionHint) {
	    prop.iconX = wmhints->icon_x;
	    prop.iconY = wmhints->icon_y;
	}
	if (wmhints->flags & IconMaskHint)
	    prop.iconMask = wmhints->icon_mask;
	if (wmhints->flags & WindowGroupHint)
	    prop.windowGroup = wmhints->window_group;
	return XChangeProperty (dpy, w, XA_WM_HINTS, XA_WM_HINTS, 32,
				PropModeReplace, (unsigned char *) &prop,
				NumPropWMHintsElements);
}



/*
 * XSetZoomHints sets the property
 *	WM_ZOOM_HINTS 	type: WM_SIZE_HINTS format: 32
 */

int
XSetZoomHints (
	Display *dpy,
	Window w,
	XSizeHints *zhints)
{
	return XSetSizeHints (dpy, w, zhints, XA_WM_ZOOM_HINTS);
}


/*
 * XSetNormalHints sets the property
 *	WM_NORMAL_HINTS 	type: WM_SIZE_HINTS format: 32
 */

int
XSetNormalHints (			/* old routine */
	Display *dpy,
	Window w,
	XSizeHints *hints)
{
	return XSetSizeHints (dpy, w, hints, XA_WM_NORMAL_HINTS);
}



/*
 * Note, the following is one of the few cases were we really do want sizeof
 * when examining a protocol structure.  This is because the XChangeProperty
 * routine will take care of converting to host to network data structures.
 */

int
XSetIconSizes (
	Display *dpy,
	Window w,	/* typically, root */
	XIconSize *list,
	int count) 	/* number of items on the list */
{
	register int i;
	xPropIconSize *pp, *prop;

	if ((prop = pp = Xmallocarray (count, sizeof(xPropIconSize)))) {
	    for (i = 0; i < count; i++) {
		pp->minWidth  = list->min_width;
		pp->minHeight = list->min_height;
		pp->maxWidth  = list->max_width;
		pp->maxHeight = list->max_height;
		pp->widthInc  = list->width_inc;
		pp->heightInc = list->height_inc;
		pp += 1;
		list += 1;
	    }
	    XChangeProperty (dpy, w, XA_WM_ICON_SIZE, XA_WM_ICON_SIZE, 32,
			     PropModeReplace, (unsigned char *) prop,
			     count * NumPropIconSizeElements);
	    Xfree (prop);
	}
	return 1;
}

int
XSetCommand (
	Display *dpy,
	Window w,
	char **argv,
	int argc)
{
	register int i;
	size_t nbytes;
	register char *buf, *bp;
	for (i = 0, nbytes = 0; i < argc; i++) {
		nbytes += safestrlen(argv[i]) + 1;
		if (nbytes >= USHRT_MAX)
                    return 1;
	}
	if ((bp = buf = Xmalloc(nbytes))) {
	    /* copy arguments into single buffer */
	    for (i = 0; i < argc; i++) {
		if (argv[i]) {
		    (void) strcpy(bp, argv[i]);
		    bp += strlen(argv[i]) + 1;
		}
		else
		    *bp++ = '\0';
	    }
	    XChangeProperty (dpy, w, XA_WM_COMMAND, XA_STRING, 8,
			     PropModeReplace, (unsigned char *)buf, nbytes);
	    Xfree(buf);
	}
	return 1;
}
/*
 * XSetStandardProperties sets the following properties:
 *	WM_NAME		  type: STRING		format: 8
 *	WM_ICON_NAME	  type: STRING		format: 8
 *	WM_HINTS	  type: WM_HINTS	format: 32
 *	WM_COMMAND	  type: STRING
 *	WM_NORMAL_HINTS	  type: WM_SIZE_HINTS 	format: 32
 */

int
XSetStandardProperties (
    	Display *dpy,
    	Window w,		/* window to decorate */
    	_Xconst char *name,	/* name of application */
    	_Xconst char *icon_string,/* name string for icon */
	Pixmap icon_pixmap,	/* pixmap to use as icon, or None */
    	char **argv,		/* command to be used to restart application */
    	int argc,		/* count of arguments */
    	XSizeHints *hints)	/* size hints for window in its normal state */
{
	XWMHints phints;
	phints.flags = 0;

	if (name != NULL) XStoreName (dpy, w, name);

        if (safestrlen(icon_string) >= USHRT_MAX)
            return 1;
	if (icon_string != NULL) {
	    XChangeProperty (dpy, w, XA_WM_ICON_NAME, XA_STRING, 8,
                             PropModeReplace,
                             (_Xconst unsigned char *)icon_string,
                             (int)safestrlen(icon_string));
		}

	if (icon_pixmap != None) {
		phints.icon_pixmap = icon_pixmap;
		phints.flags |= IconPixmapHint;
		}
	if (argv != NULL) XSetCommand(dpy, w, argv, argc);

	if (hints != NULL) XSetNormalHints(dpy, w, hints);

	if (phints.flags != 0) XSetWMHints(dpy, w, &phints);

	return 1;
}

int
XSetTransientForHint(
	Display *dpy,
	Window w,
	Window propWindow)
{
	return XChangeProperty(dpy, w, XA_WM_TRANSIENT_FOR, XA_WINDOW, 32,
			       PropModeReplace, (unsigned char *) &propWindow, 1);
}

int
XSetClassHint(
	Display *dpy,
	Window w,
	XClassHint *classhint)
{
	char *class_string;
	char *s;
	size_t len_nm, len_cl;

	len_nm = safestrlen(classhint->res_name);
	len_cl = safestrlen(classhint->res_class);
        if (len_nm + len_cl >= USHRT_MAX)
            return 1;
	if ((class_string = s = Xmalloc(len_nm + len_cl + 2))) {
	    if (len_nm) {
		strcpy(s, classhint->res_name);
		s += len_nm + 1;
	    }
	    else
		*s++ = '\0';
	    if (len_cl)
		strcpy(s, classhint->res_class);
	    else
		*s = '\0';
	    XChangeProperty(dpy, w, XA_WM_CLASS, XA_STRING, 8,
			    PropModeReplace, (unsigned char *) class_string,
			    len_nm+len_cl+2);
	    Xfree(class_string);
	}
	return 1;
}