Add 2 files added with 1.0.4.
This commit is contained in:
matthieu
parent
cd2e1b318d
commit
a8dfa1fd5d
214
app/xprop/clientwin.c
Normal file
214
app/xprop/clientwin.c
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/*
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* Copyright 2007 Kim woelders
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*
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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 copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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static Atom atom_wm_state = None;
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/*
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* Check if window has given property
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*/
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static Bool
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Window_Has_Property(Display * dpy, Window win, Atom atom)
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{
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Atom type_ret;
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int format_ret;
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unsigned char *prop_ret;
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unsigned long bytes_after, num_ret;
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type_ret = None;
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prop_ret = NULL;
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XGetWindowProperty(dpy, win, atom, 0, 0, False, AnyPropertyType,
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&type_ret, &format_ret, &num_ret,
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&bytes_after, &prop_ret);
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if (prop_ret)
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XFree(prop_ret);
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return (type_ret != None) ? True : False;
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}
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/*
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* Check if window is viewable
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*/
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static Bool
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Window_Is_Viewable(Display * dpy, Window win)
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{
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Bool ok;
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XWindowAttributes xwa;
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XGetWindowAttributes(dpy, win, &xwa);
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ok = (xwa.class == InputOutput) && (xwa.map_state == IsViewable);
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return ok;
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}
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/*
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* Find a window that has WM_STATE set in the window tree below win.
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* Unmapped/unviewable windows are not considered valid matches.
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* Children are searched in top-down stacking order.
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* The first matching window is returned, None if no match is found.
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*/
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Window
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Find_Client_In_Children(Display * dpy, Window win)
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{
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Window root, parent;
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Window *children;
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unsigned int n_children;
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int i;
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if (!XQueryTree(dpy, win, &root, &parent, &children, &n_children))
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return None;
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if (!children)
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return None;
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/* Check each child for WM_STATE and other validity */
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win = None;
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for (i = (int) n_children - 1; i >= 0; i--) {
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if (!Window_Is_Viewable(dpy, children[i])) {
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children[i] = None; /* Don't bother descending into this one */
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continue;
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}
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if (!Window_Has_Property(dpy, children[i], atom_wm_state))
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continue;
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/* Got one */
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win = children[i];
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goto done;
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}
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/* No children matched, now descend into each child */
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for (i = (int) n_children - 1; i >= 0; i--) {
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if (children[i] == None)
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continue;
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win = Find_Client_In_Children(dpy, children[i]);
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if (win != None)
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break;
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}
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done:
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XFree(children);
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return win;
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}
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/*
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* Find virtual roots (_NET_VIRTUAL_ROOTS)
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*/
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unsigned long *
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Find_Roots(Display * dpy, Window root, unsigned int *num)
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{
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Atom type_ret;
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int format_ret;
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unsigned char *prop_ret;
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unsigned long bytes_after, num_ret;
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Atom atom;
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*num = 0;
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atom = XInternAtom(dpy, "_NET_VIRTUAL_ROOTS", False);
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if (!atom)
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return NULL;
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type_ret = None;
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prop_ret = NULL;
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if (XGetWindowProperty(dpy, root, atom, 0, 0x7fffffff, False,
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XA_WINDOW, &type_ret, &format_ret, &num_ret,
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&bytes_after, &prop_ret) != Success)
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return NULL;
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if (prop_ret && type_ret == XA_WINDOW && format_ret == 32) {
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*num = num_ret;
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return ((unsigned long *) prop_ret);
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}
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if (prop_ret)
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XFree(prop_ret);
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return NULL;
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}
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/*
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* Find child window at pointer location
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*/
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static Window
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Find_Child_At_Pointer(Display * dpy, Window win)
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{
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Window root_return, child_return;
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int dummyi;
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unsigned int dummyu;
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XQueryPointer(dpy, win, &root_return, &child_return,
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&dummyi, &dummyi, &dummyi, &dummyi, &dummyu);
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return child_return;
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}
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/*
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* Find client window at pointer location
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*
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* root is the root window.
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* subwin is the subwindow reported by a ButtonPress event on root.
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*
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* If the WM uses virtual roots subwin may be a virtual root.
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* If so, we descend the window stack at the pointer location and assume the
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* child is the client or one of its WM frame windows.
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* This will of course work only if the virtual roots are children of the real
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* root.
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*/
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Window
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Find_Client(Display * dpy, Window root, Window subwin)
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{
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unsigned long *roots;
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unsigned int i, n_roots;
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Window win;
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/* Check if subwin is a virtual root */
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roots = Find_Roots(dpy, root, &n_roots);
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for (i = 0; i < n_roots; i++) {
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if (subwin != roots[i])
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continue;
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win = Find_Child_At_Pointer(dpy, subwin);
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if (win == None)
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return subwin; /* No child - Return virtual root. */
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subwin = win;
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break;
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}
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if (roots)
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XFree(roots);
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if (atom_wm_state == None) {
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atom_wm_state = XInternAtom(dpy, "WM_STATE", False);
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if (!atom_wm_state)
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return subwin;
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}
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/* Check if subwin has WM_STATE */
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if (Window_Has_Property(dpy, subwin, atom_wm_state))
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return subwin;
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/* Attempt to find a client window in subwin's children */
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win = Find_Client_In_Children(dpy, subwin);
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if (win != None)
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return win; /* Found a client */
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/* Did not find a client */
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return subwin;
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}
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29
app/xprop/clientwin.h
Normal file
29
app/xprop/clientwin.h
Normal file
@ -0,0 +1,29 @@
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/*
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* Copyright 2007 Kim woelders
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*
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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 copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef _CLIENTWIN_H_
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#define _CLIENTWIN_H_
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#include <X11/Xlib.h>
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extern Window Find_Client(Display * dpy, Window root, Window target_win);
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#endif
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