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+/* $Xorg: GetHints.c,v 1.5 2001/02/09 02:03:33 xorgcvs Exp $ */
+
+/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software 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.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+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
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL 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.
+
+******************************************************************/
+
+#include <X11/Xlibint.h>
+#include <X11/Xos.h>
+#include <X11/Xutil.h>
+#include "Xatomtype.h"
+#include <X11/Xatom.h>
+#include <stdio.h>
+
+Status XGetSizeHints (dpy, w, hints, property)
+ Display *dpy;
+ Window w;
+ XSizeHints *hints;
+ Atom property;
+{
+ xPropSizeHints *prop = NULL;
+ Atom actual_type;
+ int actual_format;
+ unsigned long leftover;
+ unsigned long nitems;
+ if (XGetWindowProperty(dpy, w, property, 0L,
+ (long) OldNumPropSizeElements,
+ False, XA_WM_SIZE_HINTS, &actual_type, &actual_format,
+ &nitems, &leftover, (unsigned char **)&prop)
+ != Success) return (0);
+
+ if ((actual_type != XA_WM_SIZE_HINTS) ||
+ (nitems < OldNumPropSizeElements) || (actual_format != 32)) {
+ if (prop != NULL) Xfree ((char *)prop);
+ return(0);
+ }
+ hints->flags = (prop->flags & (USPosition|USSize|PAllHints));
+ hints->x = cvtINT32toInt (prop->x);
+ hints->y = cvtINT32toInt (prop->y);
+ hints->width = cvtINT32toInt (prop->width);
+ hints->height = cvtINT32toInt (prop->height);
+ hints->min_width = cvtINT32toInt (prop->minWidth);
+ hints->min_height = cvtINT32toInt (prop->minHeight);
+ hints->max_width = cvtINT32toInt (prop->maxWidth);
+ hints->max_height = cvtINT32toInt (prop->maxHeight);
+ hints->width_inc = cvtINT32toInt (prop->widthInc);
+ hints->height_inc = cvtINT32toInt (prop->heightInc);
+ hints->min_aspect.x = cvtINT32toInt (prop->minAspectX);
+ hints->min_aspect.y = cvtINT32toInt (prop->minAspectY);
+ hints->max_aspect.x = cvtINT32toInt (prop->maxAspectX);
+ hints->max_aspect.y = cvtINT32toInt (prop->maxAspectY);
+ Xfree((char *)prop);
+ return(1);
+}
+
+/*
+ * must return a pointer to the hint, in malloc'd memory, or routine is not
+ * extensible; any use of the caller's memory would cause things to be stepped
+ * on.
+ */
+
+XWMHints *XGetWMHints (dpy, w)
+ Display *dpy;
+ Window w;
+{
+ xPropWMHints *prop = NULL;
+ register XWMHints *hints;
+ Atom actual_type;
+ int actual_format;
+ unsigned long leftover;
+ unsigned long nitems;
+ if (XGetWindowProperty(dpy, w, XA_WM_HINTS,
+ 0L, (long)NumPropWMHintsElements,
+ False, XA_WM_HINTS, &actual_type, &actual_format,
+ &nitems, &leftover, (unsigned char **)&prop)
+ != Success) return (NULL);
+
+ /* If the property is undefined on the window, return null pointer. */
+ /* pre-R3 bogusly truncated window_group, don't fail on them */
+
+ if ((actual_type != XA_WM_HINTS) ||
+ (nitems < (NumPropWMHintsElements - 1)) || (actual_format != 32)) {
+ if (prop != NULL) Xfree ((char *)prop);
+ return(NULL);
+ }
+ /* static copies not allowed in library, due to reentrancy constraint*/
+ if ((hints = (XWMHints *) Xcalloc (1, (unsigned) sizeof(XWMHints)))) {
+ hints->flags = prop->flags;
+ hints->input = (prop->input ? True : False);
+ hints->initial_state = cvtINT32toInt (prop->initialState);
+ hints->icon_pixmap = prop->iconPixmap;
+ hints->icon_window = prop->iconWindow;
+ hints->icon_x = cvtINT32toInt (prop->iconX);
+ hints->icon_y = cvtINT32toInt (prop->iconY);
+ hints->icon_mask = prop->iconMask;
+ if (nitems >= NumPropWMHintsElements)
+ hints->window_group = prop->windowGroup;
+ else
+ hints->window_group = 0;
+ }
+ Xfree ((char *)prop);
+ return(hints);
+}
+
+Status
+XGetZoomHints (dpy, w, zhints)
+ Display *dpy;
+ Window w;
+ XSizeHints *zhints;
+{
+ return (XGetSizeHints(dpy, w, zhints, XA_WM_ZOOM_HINTS));
+}
+
+Status
+XGetNormalHints (dpy, w, hints)
+ Display *dpy;
+ Window w;
+ XSizeHints *hints;
+{
+ return (XGetSizeHints(dpy, w, hints, XA_WM_NORMAL_HINTS));
+}
+
+
+/*
+ * XGetIconSizes reads the property
+ * ICONSIZE_ATOM type: ICONSIZE_ATOM format: 32
+ */
+
+Status XGetIconSizes (dpy, w, size_list, count)
+ Display *dpy;
+ Window w; /* typically, root */
+ XIconSize **size_list; /* RETURN */
+ int *count; /* RETURN number of items on the list */
+{
+ xPropIconSize *prop = NULL;
+ register xPropIconSize *pp;
+ register XIconSize *hp, *hints;
+ Atom actual_type;
+ int actual_format;
+ unsigned long leftover;
+ unsigned long nitems;
+ register int i;
+
+ if (XGetWindowProperty(dpy, w, XA_WM_ICON_SIZE, 0L, 60L,
+ False, XA_WM_ICON_SIZE, &actual_type, &actual_format,
+ &nitems, &leftover, (unsigned char **)&prop)
+ != Success) return (0);
+
+ pp = prop;
+
+ if ((actual_type != XA_WM_ICON_SIZE) ||
+ (nitems < NumPropIconSizeElements) ||
+ (nitems % NumPropIconSizeElements != 0) ||
+ (actual_format != 32)) {
+ if (prop != NULL) Xfree ((char *)prop);
+ return(0);
+ }
+
+ /* static copies not allowed in library, due to reentrancy constraint*/
+
+ nitems /= NumPropIconSizeElements;
+ if (! (hp = hints = (XIconSize *)
+ Xcalloc ((unsigned) nitems, (unsigned) sizeof(XIconSize)))) {
+ if (prop) Xfree ((char *) prop);
+ return 0;
+ }
+
+ /* march down array putting things into native form */
+ for (i = 0; i < nitems; i++) {
+ hp->min_width = cvtINT32toInt (pp->minWidth);
+ hp->min_height = cvtINT32toInt (pp->minHeight);
+ hp->max_width = cvtINT32toInt (pp->maxWidth);
+ hp->max_height = cvtINT32toInt (pp->maxHeight);
+ hp->width_inc = cvtINT32toInt (pp->widthInc);
+ hp->height_inc = cvtINT32toInt (pp->heightInc);
+ hp += 1;
+ pp += 1;
+ }
+ *count = nitems;
+ *size_list = hints;
+ Xfree ((char *)prop);
+ return(1);
+}
+
+
+Status XGetCommand (dpy, w, argvp, argcp)
+ Display *dpy;
+ Window w;
+ char ***argvp;
+ int *argcp;
+{
+ XTextProperty tp;
+ int argc;
+ char **argv;
+
+ if (!XGetTextProperty (dpy, w, &tp, XA_WM_COMMAND)) return 0;
+
+ if (tp.encoding != XA_STRING || tp.format != 8) {
+ if (tp.value) Xfree ((char *) tp.value);
+ return 0;
+ }
+
+
+ /*
+ * ignore final <NUL> if present since UNIX WM_COMMAND is nul-terminated
+ */
+ if (tp.nitems && (tp.value[tp.nitems - 1] == '\0')) tp.nitems--;
+
+
+ /*
+ * create a string list and return if successful
+ */
+ if (!XTextPropertyToStringList (&tp, &argv, &argc)) {
+ if (tp.value) Xfree ((char *) tp.value);
+ return (0);
+ }
+
+ if (tp.value) Xfree ((char *) tp.value);
+ *argvp = argv;
+ *argcp = argc;
+ return 1;
+}
+
+
+Status
+XGetTransientForHint(dpy, w, propWindow)
+ Display *dpy;
+ Window w;
+ Window *propWindow;
+{
+ Atom actual_type;
+ int actual_format;
+ unsigned long nitems;
+ unsigned long leftover;
+ Window *data = NULL;
+ if (XGetWindowProperty(dpy, w, XA_WM_TRANSIENT_FOR, 0L, 1L, False,
+ XA_WINDOW,
+ &actual_type,
+ &actual_format, &nitems, &leftover, (unsigned char **) &data)
+ != Success) {
+ *propWindow = None;
+ return (0);
+ }
+ if ( (actual_type == XA_WINDOW) && (actual_format == 32) &&
+ (nitems != 0) ) {
+ *propWindow = *data;
+ Xfree( (char *) data);
+ return (1);
+ }
+ *propWindow = None;
+ if (data) Xfree( (char *) data);
+ return(0);
+}
+
+Status
+XGetClassHint(dpy, w, classhint)
+ Display *dpy;
+ Window w;
+ XClassHint *classhint; /* RETURN */
+{
+ int len_name, len_class;
+
+ Atom actual_type;
+ int actual_format;
+ unsigned long nitems;
+ unsigned long leftover;
+ unsigned char *data = NULL;
+ if (XGetWindowProperty(dpy, w, XA_WM_CLASS, 0L, (long)BUFSIZ, False,
+ XA_STRING,
+ &actual_type,
+ &actual_format, &nitems, &leftover, &data) != Success)
+ return (0);
+
+ if ( (actual_type == XA_STRING) && (actual_format == 8) ) {
+ len_name = strlen((char *) data);
+ if (! (classhint->res_name = Xmalloc((unsigned) (len_name+1)))) {
+ Xfree((char *) data);
+ return (0);
+ }
+ strcpy(classhint->res_name, (char *) data);
+ if (len_name == nitems) len_name--;
+ len_class = strlen((char *) (data+len_name+1));
+ if (! (classhint->res_class = Xmalloc((unsigned) (len_class+1)))) {
+ Xfree(classhint->res_name);
+ classhint->res_name = (char *) NULL;
+ Xfree((char *) data);
+ return (0);
+ }
+ strcpy(classhint->res_class, (char *) (data+len_name+1));
+ Xfree( (char *) data);
+ return(1);
+ }
+ if (data) Xfree( (char *) data);
+ return(0);
+}