98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/*
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <X11/Xmu/WinUtil.h>
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/*
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* Prototypes
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*/
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static Window TryChildren(Display*, Window, Atom);
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/* Find a window with WM_STATE, else return win itself, as per ICCCM */
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Window
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XmuClientWindow(Display *dpy, Window win)
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{
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Atom WM_STATE;
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Atom type = None;
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int format;
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unsigned long nitems, after;
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unsigned char *data = NULL;
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Window inf;
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WM_STATE = XInternAtom(dpy, "WM_STATE", True);
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if (!WM_STATE)
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return win;
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XGetWindowProperty(dpy, win, WM_STATE, 0, 0, False, AnyPropertyType,
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&type, &format, &nitems, &after, &data);
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if (data)
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XFree(data);
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if (type)
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return win;
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inf = TryChildren(dpy, win, WM_STATE);
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if (!inf)
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inf = win;
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return inf;
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}
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static Window
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TryChildren(Display *dpy, Window win, Atom WM_STATE)
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{
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Window root, parent;
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Window *children;
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unsigned int nchildren;
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unsigned int i;
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Atom type = None;
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int format;
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unsigned long nitems, after;
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unsigned char *data;
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Window inf = 0;
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if (!XQueryTree(dpy, win, &root, &parent, &children, &nchildren))
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return 0;
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for (i = 0; !inf && (i < nchildren); i++) {
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data = NULL;
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XGetWindowProperty(dpy, children[i], WM_STATE, 0, 0, False,
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AnyPropertyType, &type, &format, &nitems,
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&after, &data);
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if (data)
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XFree(data);
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if (type)
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inf = children[i];
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}
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for (i = 0; !inf && (i < nchildren); i++)
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inf = TryChildren(dpy, children[i], WM_STATE);
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if (children)
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XFree(children);
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return inf;
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}
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