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-rw-r--r--libX11/src/ReconfWM.c142
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+/* $Xorg: ReconfWM.c,v 1.4 2001/02/09 02:03:35 xorgcvs Exp $ */
+/*
+
+Copyright 1986, 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.
+
+*/
+
+#define NEED_EVENTS
+#define NEED_REPLIES
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+#define AllMaskBits (CWX|CWY|CWWidth|CWHeight|\
+ CWBorderWidth|CWSibling|CWStackMode)
+
+Status XReconfigureWMWindow (
+ register Display *dpy,
+ Window w,
+ int screen,
+ unsigned int mask,
+ XWindowChanges *changes)
+{
+ XConfigureRequestEvent ev;
+ Window root = RootWindow (dpy, screen);
+ _XAsyncHandler async;
+ _XAsyncErrorState async_state;
+
+ /*
+ * Only need to go through the trouble if we are actually changing the
+ * stacking mode.
+ */
+ if (!(mask & CWStackMode)) {
+ XConfigureWindow (dpy, w, mask, changes);
+ return True;
+ }
+
+
+ /*
+ * We need to inline XConfigureWindow and XSync so that everything is done
+ * while the display is locked.
+ */
+
+ LockDisplay(dpy);
+
+ /*
+ * XConfigureWindow (dpy, w, mask, changes);
+ */
+ {
+ unsigned long values[7];
+ register unsigned long *value = values;
+ long nvalues;
+ register xConfigureWindowReq *req;
+
+ GetReq(ConfigureWindow, req);
+
+ async_state.min_sequence_number = dpy->request;
+ async_state.max_sequence_number = dpy->request;
+ async_state.error_code = BadMatch;
+ async_state.major_opcode = X_ConfigureWindow;
+ async_state.minor_opcode = 0;
+ async_state.error_count = 0;
+ async.next = dpy->async_handlers;
+ async.handler = _XAsyncErrorHandler;
+ async.data = (XPointer)&async_state;
+ dpy->async_handlers = &async;
+
+ req->window = w;
+ mask &= AllMaskBits;
+ req->mask = mask;
+
+ if (mask & CWX) *value++ = changes->x;
+ if (mask & CWY) *value++ = changes->y;
+ if (mask & CWWidth) *value++ = changes->width;
+ if (mask & CWHeight) *value++ = changes->height;
+ if (mask & CWBorderWidth) *value++ = changes->border_width;
+ if (mask & CWSibling) *value++ = changes->sibling;
+ if (mask & CWStackMode) *value++ = changes->stack_mode;
+ req->length += (nvalues = value - values);
+ nvalues <<= 2; /* watch out for macros... */
+ Data32 (dpy, (long *) values, nvalues);
+ }
+
+ /*
+ * XSync (dpy, 0)
+ */
+ {
+ xGetInputFocusReply rep;
+ register xReq *req;
+
+ GetEmptyReq(GetInputFocus, req);
+ (void) _XReply (dpy, (xReply *)&rep, 0, xTrue);
+ }
+
+ DeqAsyncHandler(dpy, &async);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+
+ /*
+ * If the request succeeded, then everything is okay; otherwise, send event
+ */
+ if (!async_state.error_count) return True;
+
+ ev.type = ConfigureRequest;
+ ev.window = w;
+ ev.parent = root;
+ ev.value_mask = (mask & AllMaskBits);
+ ev.x = changes->x;
+ ev.y = changes->y;
+ ev.width = changes->width;
+ ev.height = changes->height;
+ ev.border_width = changes->border_width;
+ ev.above = changes->sibling;
+ ev.detail = changes->stack_mode;
+ return (XSendEvent (dpy, root, False,
+ SubstructureRedirectMask|SubstructureNotifyMask,
+ (XEvent *)&ev));
+}