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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