merge latest (4.3.99.16) from XFree86 (vendor) branch
This commit is contained in:
Kaleb Keithley
212
hw/xwin/winmultiwindowshape.c
Executable file
212
hw/xwin/winmultiwindowshape.c
Executable file
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/*
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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: Kensuke Matsuzaki
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* Harold L Hunt II
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*/
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/* $XFree86: xc/programs/Xserver/hw/xwin/winmultiwindowshape.c,v 1.2 2003/11/10 18:22:44 tsi Exp $ */
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#ifdef SHAPE
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#include "win.h"
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/*
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* External global variables
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*/
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extern HICON g_hiconX;
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/*
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* winSetShapeMultiWindow - See Porting Layer Definition - p. 42
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*/
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void
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winSetShapeMultiWindow (WindowPtr pWin)
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{
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("winSetShapeMultiWindow - pWin: %08x\n", pWin);
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#endif
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/* Call any wrapped SetShape function */
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if (winGetScreenPriv(pWin->drawable.pScreen)->SetShape)
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winGetScreenPriv(pWin->drawable.pScreen)->SetShape (pWin);
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/* Update the Windows window's shape */
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winReshapeMultiWindow (pWin);
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winUpdateRgnMultiWindow (pWin);
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return;
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}
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/*
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* winUpdateRgnMultiWindow - Local function to update a Windows window region
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*/
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void
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winUpdateRgnMultiWindow (WindowPtr pWin)
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{
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SetWindowRgn (winGetWindowPriv(pWin)->hWnd,
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winGetWindowPriv(pWin)->hRgn, TRUE);
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}
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/*
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* winReshapeMultiWindow - Computes the composite clipping region for a window
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*/
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void
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winReshapeMultiWindow (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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ErrorF ("winReshape ()\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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/* Bail if Windows window handle is invalid */
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if (pWinPriv->hWnd == 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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{
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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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REGION_NULL(pScreen, &rrNewShape);
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REGION_COPY(pScreen, &rrNewShape, wBoundingShape(pWin));
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REGION_TRANSLATE(pScreen,
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&rrNewShape,
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pWin->borderWidth,
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pWin->borderWidth);
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nRects = REGION_NUM_RECTS(&rrNewShape);
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pShape = REGION_RECTS(&rrNewShape);
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/* Don't do anything if there are no rectangles in the region */
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if (nRects > 0)
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{
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RECT rcClient;
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RECT rcWindow;
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int iOffsetX, iOffsetY;
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/* Get client rectangle */
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if (!GetClientRect (pWinPriv->hWnd, &rcClient))
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{
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ErrorF ("winReshape - GetClientRect failed, bailing: %d\n",
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GetLastError ());
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return;
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}
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/* Translate client rectangle coords to screen coords */
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/* NOTE: Only transforms top and left members */
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ClientToScreen (pWinPriv->hWnd, (LPPOINT) &rcClient);
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/* Get window rectangle */
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if (!GetWindowRect (pWinPriv->hWnd, &rcWindow))
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{
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ErrorF ("winReshape - GetWindowRect failed, bailing: %d\n",
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GetLastError ());
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return;
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}
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/* Calculate offset from window upper-left to client upper-left */
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iOffsetX = rcClient.left - rcWindow.left;
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iOffsetY = rcClient.top - rcWindow.top;
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/* Create initial Windows region for title bar */
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/* FIXME: Mean, nasty, ugly hack!!! */
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hRgn = CreateRectRgn (0, 0, rcWindow.right, iOffsetY);
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if (hRgn == NULL)
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{
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ErrorF ("winReshape - Initial CreateRectRgn (%d, %d, %d, %d) "
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"failed: %d\n",
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0, 0, rcWindow.right, iOffsetY, GetLastError ());
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}
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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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{
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/* Create a Windows region for the X rectangle */
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hRgnRect = CreateRectRgn (pRects->x1 + iOffsetX - 1,
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pRects->y1 + iOffsetY - 1,
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pRects->x2 + iOffsetX - 1,
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pRects->y2 + iOffsetY - 1);
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if (hRgnRect == NULL)
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{
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ErrorF ("winReshape - Loop CreateRectRgn (%d, %d, %d, %d) "
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"failed: %d\n"
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"\tx1: %d x2: %d xOff: %d y1: %d y2: %d yOff: %d\n",
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pRects->x1 + iOffsetX - 1,
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pRects->y1 + iOffsetY - 1,
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pRects->x2 + iOffsetX - 1,
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pRects->y2 + iOffsetY - 1,
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GetLastError (),
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pRects->x1, pRects->x2, iOffsetX,
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pRects->y1, pRects->y2, iOffsetY);
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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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{
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ErrorF ("winReshape - CombineRgn () failed: %d\n",
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GetLastError ());
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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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REGION_UNINIT(pScreen, &rrNewShape);
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return;
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}
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#endif
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