344 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			344 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
 | |
|  *
 | |
|  *Permission is hereby granted, free of charge, to any person obtaining
 | |
|  * a copy of this software and associated documentation files (the
 | |
|  *"Software"), to deal in the Software without restriction, including
 | |
|  *without limitation the rights to use, copy, modify, merge, publish,
 | |
|  *distribute, sublicense, and/or sell copies of the Software, and to
 | |
|  *permit persons to whom the Software is furnished to do so, subject to
 | |
|  *the following conditions:
 | |
|  *
 | |
|  *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 XFREE86 PROJECT 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 XFree86 Project
 | |
|  *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 XFree86 Project.
 | |
|  *
 | |
|  * Authors:	Harold L Hunt II
 | |
|  *		Kensuke Matsuzaki
 | |
|  */
 | |
| 
 | |
| #ifdef HAVE_XWIN_CONFIG_H
 | |
| #include <xwin-config.h>
 | |
| #endif
 | |
| 
 | |
| #include "mi/mi_priv.h"
 | |
| 
 | |
| #include "win.h"
 | |
| 
 | |
| #include "mi/mi_priv.h"
 | |
| 
 | |
| /*
 | |
|  * Prototypes for local functions
 | |
|  */
 | |
| 
 | |
| static int
 | |
|  winAddRgn(WindowPtr pWindow, void *data);
 | |
| 
 | |
| static
 | |
|     void
 | |
|  winUpdateRgnRootless(WindowPtr pWindow);
 | |
| 
 | |
| static
 | |
|     void
 | |
|  winReshapeRootless(WindowPtr pWin);
 | |
| 
 | |
| /* See Porting Layer Definition - p. 37 */
 | |
| /* See mfb/mfbwindow.c - mfbCreateWindow() */
 | |
| 
 | |
| Bool
 | |
| winCreateWindowRootless(WindowPtr pWin)
 | |
| {
 | |
|     Bool fResult = FALSE;
 | |
| 
 | |
|     winWindowPriv(pWin);
 | |
| 
 | |
| #if ENABLE_DEBUG
 | |
|     winTrace("winCreateWindowRootless (%p)\n", pWin);
 | |
| #endif
 | |
| 
 | |
|     fResult = fbCreateWindow(pWin);
 | |
| 
 | |
|     pWinPriv->hRgn = NULL;
 | |
| 
 | |
|     return fResult;
 | |
| }
 | |
| 
 | |
| /* See Porting Layer Definition - p. 37 */
 | |
| /* See mfb/mfbwindow.c - mfbDestroyWindow() */
 | |
| 
 | |
| Bool
 | |
| winDestroyWindowRootless(WindowPtr pWin)
 | |
| {
 | |
|     winWindowPriv(pWin);
 | |
| 
 | |
| #if ENABLE_DEBUG
 | |
|     winTrace("winDestroyWindowRootless (%p)\n", pWin);
 | |
| #endif
 | |
| 
 | |
|     Bool fResult = fbDestroyWindow(pWin);
 | |
| 
 | |
|     if (pWinPriv->hRgn != NULL) {
 | |
|         DeleteObject(pWinPriv->hRgn);
 | |
|         pWinPriv->hRgn = NULL;
 | |
|     }
 | |
| 
 | |
|     winUpdateRgnRootless(pWin);
 | |
| 
 | |
|     return fResult;
 | |
| }
 | |
| 
 | |
| /* See Porting Layer Definition - p. 37 */
 | |
| /* See mfb/mfbwindow.c - mfbPositionWindow() */
 | |
| 
 | |
| Bool
 | |
| winPositionWindowRootless(WindowPtr pWin, int x, int y)
 | |
| {
 | |
| #if ENABLE_DEBUG
 | |
|     winTrace("winPositionWindowRootless (%p)\n", pWin);
 | |
| #endif
 | |
| 
 | |
|     Bool fResult = fbPositionWindow(pWin, x, y);
 | |
| 
 | |
|     winUpdateRgnRootless(pWin);
 | |
| 
 | |
|     return fResult;
 | |
| }
 | |
| 
 | |
| /* See Porting Layer Definition - p. 37 */
 | |
| /* See mfb/mfbwindow.c - mfbChangeWindowAttributes() */
 | |
| 
 | |
| Bool
 | |
| winChangeWindowAttributesRootless(WindowPtr pWin, unsigned long mask)
 | |
| {
 | |
| #if ENABLE_DEBUG
 | |
|     winTrace("winChangeWindowAttributesRootless (%p)\n", pWin);
 | |
| #endif
 | |
| 
 | |
|     Bool fResult = fbChangeWindowAttributes(pWin, mask);
 | |
| 
 | |
|     winUpdateRgnRootless(pWin);
 | |
| 
 | |
|     return fResult;
 | |
| }
 | |
| 
 | |
| /* See Porting Layer Definition - p. 37
 | |
|  * Also referred to as UnrealizeWindow
 | |
|  */
 | |
| 
 | |
| Bool
 | |
| winUnmapWindowRootless(WindowPtr pWin)
 | |
| {
 | |
|     winWindowPriv(pWin);
 | |
| 
 | |
| #if ENABLE_DEBUG
 | |
|     winTrace("winUnmapWindowRootless (%p)\n", pWin);
 | |
| #endif
 | |
| 
 | |
|     Bool fResult = fbUnrealizeWindow(pWin);
 | |
| 
 | |
|     if (pWinPriv->hRgn != NULL) {
 | |
|         DeleteObject(pWinPriv->hRgn);
 | |
|         pWinPriv->hRgn = NULL;
 | |
|     }
 | |
| 
 | |
|     winUpdateRgnRootless(pWin);
 | |
| 
 | |
|     return fResult;
 | |
| }
 | |
| 
 | |
| /* See Porting Layer Definition - p. 37
 | |
|  * Also referred to as RealizeWindow
 | |
|  */
 | |
| 
 | |
| Bool
 | |
| winMapWindowRootless(WindowPtr pWin)
 | |
| {
 | |
| #if ENABLE_DEBUG
 | |
|     winTrace("winMapWindowRootless (%p)\n", pWin);
 | |
| #endif
 | |
| 
 | |
|     Bool fResult = fbRealizeWindow(pWin);
 | |
| 
 | |
|     winReshapeRootless(pWin);
 | |
| 
 | |
|     winUpdateRgnRootless(pWin);
 | |
| 
 | |
|     return fResult;
 | |
| }
 | |
| 
 | |
| void
 | |
| winSetShapeRootless(WindowPtr pWin, int kind)
 | |
| {
 | |
| #if ENABLE_DEBUG
 | |
|     winTrace("winSetShapeRootless (%p, %i)\n", pWin, kind);
 | |
| #endif
 | |
| 
 | |
|     miSetShape(pWin, kind);
 | |
| 
 | |
|     winReshapeRootless(pWin);
 | |
|     winUpdateRgnRootless(pWin);
 | |
| 
 | |
|     return;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Local function for adding a region to the Windows window region
 | |
|  */
 | |
| 
 | |
| static
 | |
|     int
 | |
| winAddRgn(WindowPtr pWin, void *data)
 | |
| {
 | |
|     int iX, iY, iWidth, iHeight, iBorder;
 | |
|     HRGN hRgn = *(HRGN *) data;
 | |
|     HRGN hRgnWin;
 | |
| 
 | |
|     winWindowPriv(pWin);
 | |
| 
 | |
|     /* If pWin is not Root */
 | |
|     if (pWin->parent != NULL) {
 | |
| #if ENABLE_DEBUG
 | |
|         winDebug("winAddRgn ()\n");
 | |
| #endif
 | |
|         if (pWin->mapped) {
 | |
|             iBorder = wBorderWidth(pWin);
 | |
| 
 | |
|             iX = pWin->drawable.x - iBorder;
 | |
|             iY = pWin->drawable.y - iBorder;
 | |
| 
 | |
|             iWidth = pWin->drawable.width + iBorder * 2;
 | |
|             iHeight = pWin->drawable.height + iBorder * 2;
 | |
| 
 | |
|             hRgnWin = CreateRectRgn(0, 0, iWidth, iHeight);
 | |
| 
 | |
|             if (hRgnWin == NULL) {
 | |
|                 ErrorF("winAddRgn - CreateRectRgn () failed\n");
 | |
|                 ErrorF("  Rect %d %d %d %d\n",
 | |
|                        iX, iY, iX + iWidth, iY + iHeight);
 | |
|             }
 | |
| 
 | |
|             if (pWinPriv->hRgn) {
 | |
|                 if (CombineRgn(hRgnWin, hRgnWin, pWinPriv->hRgn, RGN_AND)
 | |
|                     == ERROR) {
 | |
|                     ErrorF("winAddRgn - CombineRgn () failed\n");
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             OffsetRgn(hRgnWin, iX, iY);
 | |
| 
 | |
|             if (CombineRgn(hRgn, hRgn, hRgnWin, RGN_OR) == ERROR) {
 | |
|                 ErrorF("winAddRgn - CombineRgn () failed\n");
 | |
|             }
 | |
| 
 | |
|             DeleteObject(hRgnWin);
 | |
|         }
 | |
|         return WT_DONTWALKCHILDREN;
 | |
|     }
 | |
|     else {
 | |
|         return WT_WALKCHILDREN;
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Local function to update the Windows window's region
 | |
|  */
 | |
| 
 | |
| static
 | |
|     void
 | |
| winUpdateRgnRootless(WindowPtr pWin)
 | |
| {
 | |
|     HRGN hRgn = CreateRectRgn(0, 0, 0, 0);
 | |
| 
 | |
|     if (hRgn != NULL) {
 | |
|         WalkTree(pWin->drawable.pScreen, winAddRgn, &hRgn);
 | |
|         SetWindowRgn(winGetScreenPriv(pWin->drawable.pScreen)->hwndScreen,
 | |
|                      hRgn, TRUE);
 | |
|     }
 | |
|     else {
 | |
|         ErrorF("winUpdateRgnRootless - CreateRectRgn failed.\n");
 | |
|     }
 | |
| }
 | |
| 
 | |
| static
 | |
|     void
 | |
| winReshapeRootless(WindowPtr pWin)
 | |
| {
 | |
|     int nRects;
 | |
|     RegionRec rrNewShape;
 | |
|     BoxPtr pShape, pRects, pEnd;
 | |
|     HRGN hRgn, hRgnRect;
 | |
| 
 | |
|     winWindowPriv(pWin);
 | |
| 
 | |
| #if ENABLE_DEBUG
 | |
|     winDebug("winReshapeRootless ()\n");
 | |
| #endif
 | |
| 
 | |
|     /* Bail if the window is the root window */
 | |
|     if (pWin->parent == NULL)
 | |
|         return;
 | |
| 
 | |
|     /* Bail if the window is not top level */
 | |
|     if (pWin->parent->parent != NULL)
 | |
|         return;
 | |
| 
 | |
|     /* Free any existing window region stored in the window privates */
 | |
|     if (pWinPriv->hRgn != NULL) {
 | |
|         DeleteObject(pWinPriv->hRgn);
 | |
|         pWinPriv->hRgn = NULL;
 | |
|     }
 | |
| 
 | |
|     /* Bail if the window has no bounding region defined */
 | |
|     if (!wBoundingShape(pWin))
 | |
|         return;
 | |
| 
 | |
|     RegionNull(&rrNewShape);
 | |
|     RegionCopy(&rrNewShape, wBoundingShape(pWin));
 | |
|     RegionTranslate(&rrNewShape, pWin->borderWidth, pWin->borderWidth);
 | |
| 
 | |
|     nRects = RegionNumRects(&rrNewShape);
 | |
|     pShape = RegionRects(&rrNewShape);
 | |
| 
 | |
|     if (nRects > 0) {
 | |
|         /* Create initial empty Windows region */
 | |
|         hRgn = CreateRectRgn(0, 0, 0, 0);
 | |
| 
 | |
|         /* Loop through all rectangles in the X region */
 | |
|         for (pRects = pShape, pEnd = pShape + nRects; pRects < pEnd; pRects++) {
 | |
|             /* Create a Windows region for the X rectangle */
 | |
|             hRgnRect = CreateRectRgn(pRects->x1, pRects->y1,
 | |
|                                      pRects->x2, pRects->y2);
 | |
|             if (hRgnRect == NULL) {
 | |
|                 ErrorF("winReshapeRootless - CreateRectRgn() failed\n");
 | |
|             }
 | |
| 
 | |
|             /* Merge the Windows region with the accumulated region */
 | |
|             if (CombineRgn(hRgn, hRgn, hRgnRect, RGN_OR) == ERROR) {
 | |
|                 ErrorF("winReshapeRootless - CombineRgn() failed\n");
 | |
|             }
 | |
| 
 | |
|             /* Delete the temporary Windows region */
 | |
|             DeleteObject(hRgnRect);
 | |
|         }
 | |
| 
 | |
|         /* Save a handle to the composite region in the window privates */
 | |
|         pWinPriv->hRgn = hRgn;
 | |
|     }
 | |
| 
 | |
|     RegionUninit(&rrNewShape);
 | |
| 
 | |
|     return;
 | |
| }
 |