IABSD.fr/xenocara/lib/libX11/src/ReconfWM.c

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  Commit

• Author : matthieu
  Date : 2010-05-18 19:37:28
  Hash : aa3c9f93
  Message : Update to libX11 1.3.3. Tested on a bulk ports build by naddy@.

• lib/libX11/src/ReconfWM.c

• /*
  
  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));
  }