8465ee788f
As the man page says, "unsupported, experimental, and barely functional". The last even minor updates to any of this were back in 2004, presumably it's not getting better any time soon. This is also the only GC ops implementation in the tree that actually falls all the way down to the spans routines for everything, so that's pretty nice to be rid of. v2: Fix stray break statement (Jon) Reviewed-by: Jon TURNEY <jon.turney@dronecode.org.uk> Signed-off-by: Adam Jackson <ajax@redhat.com>
382 lines
9.3 KiB
C
382 lines
9.3 KiB
C
/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of the XFree86 Project
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from the XFree86 Project.
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*
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* Authors: Harold L Hunt II
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* Kensuke Matsuzaki
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*/
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include "win.h"
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/*
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* Prototypes for local functions
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*/
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static int
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winAddRgn(WindowPtr pWindow, void *data);
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static
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void
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winUpdateRgnRootless(WindowPtr pWindow);
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static
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void
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winReshapeRootless(WindowPtr pWin);
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/* See Porting Layer Definition - p. 37 */
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/* See mfb/mfbwindow.c - mfbCreateWindow() */
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Bool
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winCreateWindowRootless(WindowPtr pWin)
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{
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Bool fResult = FALSE;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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winWindowPriv(pWin);
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winScreenPriv(pScreen);
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#if CYGDEBUG
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winTrace("winCreateWindowRootless (%p)\n", pWin);
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#endif
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WIN_UNWRAP(CreateWindow);
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fResult = (*pScreen->CreateWindow) (pWin);
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WIN_WRAP(CreateWindow, winCreateWindowRootless);
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pWinPriv->hRgn = NULL;
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return fResult;
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}
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/* See Porting Layer Definition - p. 37 */
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/* See mfb/mfbwindow.c - mfbDestroyWindow() */
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Bool
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winDestroyWindowRootless(WindowPtr pWin)
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{
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Bool fResult = FALSE;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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winWindowPriv(pWin);
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winScreenPriv(pScreen);
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#if CYGDEBUG
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winTrace("winDestroyWindowRootless (%p)\n", pWin);
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#endif
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WIN_UNWRAP(DestroyWindow);
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fResult = (*pScreen->DestroyWindow) (pWin);
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WIN_WRAP(DestroyWindow, winDestroyWindowRootless);
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if (pWinPriv->hRgn != NULL) {
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DeleteObject(pWinPriv->hRgn);
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pWinPriv->hRgn = NULL;
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}
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winUpdateRgnRootless(pWin);
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return fResult;
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}
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/* See Porting Layer Definition - p. 37 */
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/* See mfb/mfbwindow.c - mfbPositionWindow() */
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Bool
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winPositionWindowRootless(WindowPtr pWin, int x, int y)
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{
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Bool fResult = FALSE;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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winScreenPriv(pScreen);
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#if CYGDEBUG
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winTrace("winPositionWindowRootless (%p)\n", pWin);
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#endif
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WIN_UNWRAP(PositionWindow);
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fResult = (*pScreen->PositionWindow) (pWin, x, y);
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WIN_WRAP(PositionWindow, winPositionWindowRootless);
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winUpdateRgnRootless(pWin);
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return fResult;
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}
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/* See Porting Layer Definition - p. 37 */
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/* See mfb/mfbwindow.c - mfbChangeWindowAttributes() */
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Bool
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winChangeWindowAttributesRootless(WindowPtr pWin, unsigned long mask)
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{
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Bool fResult = FALSE;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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winScreenPriv(pScreen);
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#if CYGDEBUG
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winTrace("winChangeWindowAttributesRootless (%p)\n", pWin);
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#endif
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WIN_UNWRAP(ChangeWindowAttributes);
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fResult = (*pScreen->ChangeWindowAttributes) (pWin, mask);
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WIN_WRAP(ChangeWindowAttributes, winChangeWindowAttributesRootless);
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winUpdateRgnRootless(pWin);
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return fResult;
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}
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/* See Porting Layer Definition - p. 37
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* Also referred to as UnrealizeWindow
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*/
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Bool
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winUnmapWindowRootless(WindowPtr pWin)
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{
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Bool fResult = FALSE;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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winWindowPriv(pWin);
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winScreenPriv(pScreen);
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#if CYGDEBUG
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winTrace("winUnmapWindowRootless (%p)\n", pWin);
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#endif
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WIN_UNWRAP(UnrealizeWindow);
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fResult = (*pScreen->UnrealizeWindow) (pWin);
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WIN_WRAP(UnrealizeWindow, winUnmapWindowRootless);
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if (pWinPriv->hRgn != NULL) {
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DeleteObject(pWinPriv->hRgn);
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pWinPriv->hRgn = NULL;
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}
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winUpdateRgnRootless(pWin);
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return fResult;
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}
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/* See Porting Layer Definition - p. 37
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* Also referred to as RealizeWindow
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*/
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Bool
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winMapWindowRootless(WindowPtr pWin)
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{
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Bool fResult = FALSE;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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winScreenPriv(pScreen);
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#if CYGDEBUG
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winTrace("winMapWindowRootless (%p)\n", pWin);
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#endif
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WIN_UNWRAP(RealizeWindow);
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fResult = (*pScreen->RealizeWindow) (pWin);
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WIN_WRAP(RealizeWindow, winMapWindowRootless);
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winReshapeRootless(pWin);
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winUpdateRgnRootless(pWin);
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return fResult;
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}
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void
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winSetShapeRootless(WindowPtr pWin, int kind)
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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winScreenPriv(pScreen);
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#if CYGDEBUG
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winTrace("winSetShapeRootless (%p, %i)\n", pWin, kind);
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#endif
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WIN_UNWRAP(SetShape);
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(*pScreen->SetShape) (pWin, kind);
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WIN_WRAP(SetShape, winSetShapeRootless);
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winReshapeRootless(pWin);
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winUpdateRgnRootless(pWin);
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return;
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}
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/*
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* Local function for adding a region to the Windows window region
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*/
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static
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int
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winAddRgn(WindowPtr pWin, void *data)
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{
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int iX, iY, iWidth, iHeight, iBorder;
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HRGN hRgn = *(HRGN *) data;
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HRGN hRgnWin;
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winWindowPriv(pWin);
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/* If pWin is not Root */
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if (pWin->parent != NULL) {
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#if CYGDEBUG
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winDebug("winAddRgn ()\n");
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#endif
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if (pWin->mapped) {
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iBorder = wBorderWidth(pWin);
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iX = pWin->drawable.x - iBorder;
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iY = pWin->drawable.y - iBorder;
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iWidth = pWin->drawable.width + iBorder * 2;
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iHeight = pWin->drawable.height + iBorder * 2;
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hRgnWin = CreateRectRgn(0, 0, iWidth, iHeight);
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if (hRgnWin == NULL) {
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ErrorF("winAddRgn - CreateRectRgn () failed\n");
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ErrorF(" Rect %d %d %d %d\n",
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iX, iY, iX + iWidth, iY + iHeight);
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}
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if (pWinPriv->hRgn) {
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if (CombineRgn(hRgnWin, hRgnWin, pWinPriv->hRgn, RGN_AND)
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== ERROR) {
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ErrorF("winAddRgn - CombineRgn () failed\n");
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}
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}
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OffsetRgn(hRgnWin, iX, iY);
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if (CombineRgn(hRgn, hRgn, hRgnWin, RGN_OR) == ERROR) {
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ErrorF("winAddRgn - CombineRgn () failed\n");
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}
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DeleteObject(hRgnWin);
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}
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return WT_DONTWALKCHILDREN;
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}
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else {
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return WT_WALKCHILDREN;
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}
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}
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/*
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* Local function to update the Windows window's region
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*/
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static
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void
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winUpdateRgnRootless(WindowPtr pWin)
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{
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HRGN hRgn = CreateRectRgn(0, 0, 0, 0);
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if (hRgn != NULL) {
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WalkTree(pWin->drawable.pScreen, winAddRgn, &hRgn);
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SetWindowRgn(winGetScreenPriv(pWin->drawable.pScreen)->hwndScreen,
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hRgn, TRUE);
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}
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else {
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ErrorF("winUpdateRgnRootless - CreateRectRgn failed.\n");
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}
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}
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static
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void
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winReshapeRootless(WindowPtr pWin)
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{
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int nRects;
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RegionRec rrNewShape;
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BoxPtr pShape, pRects, pEnd;
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HRGN hRgn, hRgnRect;
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winWindowPriv(pWin);
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#if CYGDEBUG
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winDebug("winReshapeRootless ()\n");
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#endif
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/* Bail if the window is the root window */
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if (pWin->parent == NULL)
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return;
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/* Bail if the window is not top level */
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if (pWin->parent->parent != NULL)
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return;
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/* Free any existing window region stored in the window privates */
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if (pWinPriv->hRgn != NULL) {
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DeleteObject(pWinPriv->hRgn);
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pWinPriv->hRgn = NULL;
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}
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/* Bail if the window has no bounding region defined */
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if (!wBoundingShape(pWin))
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return;
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RegionNull(&rrNewShape);
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RegionCopy(&rrNewShape, wBoundingShape(pWin));
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RegionTranslate(&rrNewShape, pWin->borderWidth, pWin->borderWidth);
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nRects = RegionNumRects(&rrNewShape);
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pShape = RegionRects(&rrNewShape);
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if (nRects > 0) {
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/* Create initial empty Windows region */
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hRgn = CreateRectRgn(0, 0, 0, 0);
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/* Loop through all rectangles in the X region */
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for (pRects = pShape, pEnd = pShape + nRects; pRects < pEnd; pRects++) {
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/* Create a Windows region for the X rectangle */
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hRgnRect = CreateRectRgn(pRects->x1, pRects->y1,
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pRects->x2, pRects->y2);
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if (hRgnRect == NULL) {
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ErrorF("winReshapeRootless - CreateRectRgn() failed\n");
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}
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/* Merge the Windows region with the accumulated region */
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if (CombineRgn(hRgn, hRgn, hRgnRect, RGN_OR) == ERROR) {
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ErrorF("winReshapeRootless - CombineRgn() failed\n");
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}
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/* Delete the temporary Windows region */
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DeleteObject(hRgnRect);
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}
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/* Save a handle to the composite region in the window privates */
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pWinPriv->hRgn = hRgn;
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}
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RegionUninit(&rrNewShape);
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return;
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}
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