81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/* $Xorg: miclipn.c,v 1.4 2001/02/09 02:05:20 xorgcvs Exp $ */
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/*
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Copyright 1990, 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
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from The Open Group.
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*/
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/* $XFree86: xc/programs/Xserver/mi/miclipn.c,v 1.3 2001/08/06 21:46:04 dawes Exp $ */
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#include "X.h"
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#include "windowstr.h"
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#include "scrnintstr.h"
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#include "mi.h"
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static void (*clipNotify)(WindowPtr,int,int) = 0;
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static void (*ClipNotifies[MAXSCREENS])(WindowPtr,int,int);
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static void
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miClipNotifyWrapper(
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WindowPtr pWin,
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int dx,
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int dy )
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{
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if (clipNotify)
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(*clipNotify)(pWin, dx, dy);
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if (ClipNotifies[pWin->drawable.pScreen->myNum])
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(*ClipNotifies[pWin->drawable.pScreen->myNum])(pWin, dx, dy);
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}
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/*
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* miClipNotify --
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* Hook to let DDX request notification when the clipList of
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* a window is recomputed on any screen. For R4 compatibility;
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* better if you wrap the ClipNotify screen proc yourself.
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*/
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static unsigned long clipGeneration = 0;
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void
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miClipNotify (
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void (*func)(
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WindowPtr /* pWin */,
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int /* dx */,
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int /* dy */
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) )
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{
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int i;
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clipNotify = func;
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if (clipGeneration != serverGeneration)
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{
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clipGeneration = serverGeneration;
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for (i = 0; i < screenInfo.numScreens; i++)
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{
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ClipNotifies[i] = screenInfo.screens[i]->ClipNotify;
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screenInfo.screens[i]->ClipNotify = miClipNotifyWrapper;
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}
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}
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}
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