928 lines
25 KiB
C
928 lines
25 KiB
C
/*
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* midispcur.c
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*
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* machine independent cursor display routines
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*/
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/*
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Copyright 1989, 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 in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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# include <X11/X.h>
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# include "misc.h"
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# include "input.h"
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# include "cursorstr.h"
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# include "windowstr.h"
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# include "regionstr.h"
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# include "dixstruct.h"
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# include "scrnintstr.h"
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# include "servermd.h"
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# include "mipointer.h"
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# include "misprite.h"
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# include "gcstruct.h"
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#ifdef ARGB_CURSOR
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# include "picturestr.h"
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#endif
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# include "inputstr.h" /* for MAX_DEVICES */
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/* per-screen private data */
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static int miDCScreenKeyIndex;
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static DevPrivateKey miDCScreenKey = &miDCScreenKeyIndex;
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static Bool miDCCloseScreen(int index, ScreenPtr pScreen);
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/* per device private data */
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static int miDCSpriteKeyIndex;
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static DevPrivateKey miDCSpriteKey = &miDCSpriteKeyIndex;
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typedef struct {
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GCPtr pSourceGC, pMaskGC;
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GCPtr pSaveGC, pRestoreGC;
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GCPtr pMoveGC;
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GCPtr pPixSourceGC, pPixMaskGC;
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PixmapPtr pSave, pTemp;
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#ifdef ARGB_CURSOR
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PicturePtr pRootPicture;
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PicturePtr pTempPicture;
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#endif
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} miDCBufferRec, *miDCBufferPtr;
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#define MIDCBUFFER(dev) \
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((DevHasCursor(dev)) ? \
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(miDCBufferPtr)dixLookupPrivate(&dev->devPrivates, miDCSpriteKey) : \
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(miDCBufferPtr)dixLookupPrivate(&dev->u.master->devPrivates, miDCSpriteKey))
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/*
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* The core pointer buffer will point to the index of the virtual core pointer
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* in the pCursorBuffers array.
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*/
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typedef struct {
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CloseScreenProcPtr CloseScreen;
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} miDCScreenRec, *miDCScreenPtr;
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/* per-cursor per-screen private data */
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typedef struct {
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PixmapPtr sourceBits; /* source bits */
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PixmapPtr maskBits; /* mask bits */
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#ifdef ARGB_CURSOR
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PicturePtr pPicture;
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#endif
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} miDCCursorRec, *miDCCursorPtr;
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/*
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* sprite/cursor method table
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*/
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static Bool miDCRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
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static Bool miDCUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
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static Bool miDCPutUpCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor, int x, int y,
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unsigned long source, unsigned long mask);
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static Bool miDCSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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int x, int y,
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int w, int h);
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static Bool miDCRestoreUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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int x, int y,
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int w, int h);
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static Bool miDCMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor, int x, int y,
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int w, int h, int dx, int dy,
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unsigned long source, unsigned long mask);
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static Bool miDCChangeSave(DeviceIntPtr pDev, ScreenPtr pScreen,
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int x, int y, int w, int h,
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int dx, int dy);
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static Bool miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
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static void miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
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static miSpriteCursorFuncRec miDCFuncs = {
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miDCRealizeCursor,
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miDCUnrealizeCursor,
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miDCPutUpCursor,
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miDCSaveUnderCursor,
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miDCRestoreUnderCursor,
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miDCMoveCursor,
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miDCChangeSave,
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miDCDeviceInitialize,
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miDCDeviceCleanup
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};
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Bool
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miDCInitialize (ScreenPtr pScreen, miPointerScreenFuncPtr screenFuncs)
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{
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miDCScreenPtr pScreenPriv;
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pScreenPriv = (miDCScreenPtr) xalloc (sizeof (miDCScreenRec));
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if (!pScreenPriv)
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return FALSE;
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pScreenPriv->CloseScreen = pScreen->CloseScreen;
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pScreen->CloseScreen = miDCCloseScreen;
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dixSetPrivate(&pScreen->devPrivates, miDCScreenKey, pScreenPriv);
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if (!miSpriteInitialize (pScreen, &miDCFuncs, screenFuncs))
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{
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xfree ((pointer) pScreenPriv);
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return FALSE;
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}
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return TRUE;
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}
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#define tossGC(gc) (gc ? FreeGC (gc, (GContext) 0) : 0)
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#define tossPix(pix) (pix ? (*pScreen->DestroyPixmap) (pix) : TRUE)
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#define tossPict(pict) (pict ? FreePicture (pict, 0) : 0)
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static Bool
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miDCCloseScreen (int index, ScreenPtr pScreen)
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{
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miDCScreenPtr pScreenPriv;
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pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
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miDCScreenKey);
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pScreen->CloseScreen = pScreenPriv->CloseScreen;
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xfree ((pointer) pScreenPriv);
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return (*pScreen->CloseScreen) (index, pScreen);
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}
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static Bool
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miDCRealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
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{
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if (pCursor->bits->refcnt <= 1)
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dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), NULL);
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return TRUE;
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}
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#ifdef ARGB_CURSOR
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#define EnsurePicture(picture,draw,win) (picture || miDCMakePicture(&picture,draw,win))
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static VisualPtr
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miDCGetWindowVisual (WindowPtr pWin)
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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VisualID vid = wVisual (pWin);
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int i;
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for (i = 0; i < pScreen->numVisuals; i++)
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if (pScreen->visuals[i].vid == vid)
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return &pScreen->visuals[i];
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return 0;
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}
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static PicturePtr
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miDCMakePicture (PicturePtr *ppPicture, DrawablePtr pDraw, WindowPtr pWin)
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{
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ScreenPtr pScreen = pDraw->pScreen;
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VisualPtr pVisual;
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PictFormatPtr pFormat;
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XID subwindow_mode = IncludeInferiors;
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PicturePtr pPicture;
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int error;
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pVisual = miDCGetWindowVisual (pWin);
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if (!pVisual)
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return 0;
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pFormat = PictureMatchVisual (pScreen, pDraw->depth, pVisual);
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if (!pFormat)
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return 0;
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pPicture = CreatePicture (0, pDraw, pFormat,
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CPSubwindowMode, &subwindow_mode,
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serverClient, &error);
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*ppPicture = pPicture;
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return pPicture;
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}
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#endif
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static miDCCursorPtr
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miDCRealize (ScreenPtr pScreen, CursorPtr pCursor)
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{
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miDCCursorPtr pPriv;
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GCPtr pGC;
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XID gcvals[3];
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pPriv = (miDCCursorPtr) xalloc (sizeof (miDCCursorRec));
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if (!pPriv)
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return (miDCCursorPtr)NULL;
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#ifdef ARGB_CURSOR
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if (pCursor->bits->argb)
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{
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PixmapPtr pPixmap;
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PictFormatPtr pFormat;
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int error;
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pFormat = PictureMatchFormat (pScreen, 32, PICT_a8r8g8b8);
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if (!pFormat)
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{
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xfree ((pointer) pPriv);
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return (miDCCursorPtr)NULL;
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}
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pPriv->sourceBits = 0;
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pPriv->maskBits = 0;
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pPixmap = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width,
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pCursor->bits->height, 32,
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CREATE_PIXMAP_USAGE_SCRATCH);
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if (!pPixmap)
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{
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xfree ((pointer) pPriv);
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return (miDCCursorPtr)NULL;
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}
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pGC = GetScratchGC (32, pScreen);
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if (!pGC)
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{
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(*pScreen->DestroyPixmap) (pPixmap);
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xfree ((pointer) pPriv);
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return (miDCCursorPtr)NULL;
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}
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ValidateGC (&pPixmap->drawable, pGC);
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(*pGC->ops->PutImage) (&pPixmap->drawable, pGC, 32,
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0, 0, pCursor->bits->width,
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pCursor->bits->height,
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0, ZPixmap, (char *) pCursor->bits->argb);
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FreeScratchGC (pGC);
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pPriv->pPicture = CreatePicture (0, &pPixmap->drawable,
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pFormat, 0, 0, serverClient, &error);
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(*pScreen->DestroyPixmap) (pPixmap);
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if (!pPriv->pPicture)
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{
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xfree ((pointer) pPriv);
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return (miDCCursorPtr)NULL;
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}
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dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), pPriv);
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return pPriv;
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}
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pPriv->pPicture = 0;
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#endif
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pPriv->sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1, 0);
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if (!pPriv->sourceBits)
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{
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xfree ((pointer) pPriv);
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return (miDCCursorPtr)NULL;
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}
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pPriv->maskBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1, 0);
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if (!pPriv->maskBits)
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{
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(*pScreen->DestroyPixmap) (pPriv->sourceBits);
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xfree ((pointer) pPriv);
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return (miDCCursorPtr)NULL;
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}
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dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), pPriv);
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/* create the two sets of bits, clipping as appropriate */
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pGC = GetScratchGC (1, pScreen);
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if (!pGC)
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{
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(void) miDCUnrealizeCursor (pScreen, pCursor);
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return (miDCCursorPtr)NULL;
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}
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ValidateGC ((DrawablePtr)pPriv->sourceBits, pGC);
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(*pGC->ops->PutImage) ((DrawablePtr)pPriv->sourceBits, pGC, 1,
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0, 0, pCursor->bits->width, pCursor->bits->height,
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0, XYPixmap, (char *)pCursor->bits->source);
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gcvals[0] = GXand;
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ChangeGC (pGC, GCFunction, gcvals);
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ValidateGC ((DrawablePtr)pPriv->sourceBits, pGC);
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(*pGC->ops->PutImage) ((DrawablePtr)pPriv->sourceBits, pGC, 1,
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0, 0, pCursor->bits->width, pCursor->bits->height,
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0, XYPixmap, (char *)pCursor->bits->mask);
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/* mask bits -- pCursor->mask & ~pCursor->source */
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gcvals[0] = GXcopy;
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ChangeGC (pGC, GCFunction, gcvals);
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ValidateGC ((DrawablePtr)pPriv->maskBits, pGC);
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(*pGC->ops->PutImage) ((DrawablePtr)pPriv->maskBits, pGC, 1,
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0, 0, pCursor->bits->width, pCursor->bits->height,
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0, XYPixmap, (char *)pCursor->bits->mask);
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gcvals[0] = GXandInverted;
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ChangeGC (pGC, GCFunction, gcvals);
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ValidateGC ((DrawablePtr)pPriv->maskBits, pGC);
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(*pGC->ops->PutImage) ((DrawablePtr)pPriv->maskBits, pGC, 1,
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0, 0, pCursor->bits->width, pCursor->bits->height,
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0, XYPixmap, (char *)pCursor->bits->source);
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FreeScratchGC (pGC);
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return pPriv;
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}
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static Bool
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miDCUnrealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
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{
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miDCCursorPtr pPriv;
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pPriv = (miDCCursorPtr)dixLookupPrivate(&pCursor->bits->devPrivates,
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CursorScreenKey(pScreen));
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if (pPriv && (pCursor->bits->refcnt <= 1))
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{
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if (pPriv->sourceBits)
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(*pScreen->DestroyPixmap) (pPriv->sourceBits);
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if (pPriv->maskBits)
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(*pScreen->DestroyPixmap) (pPriv->maskBits);
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#ifdef ARGB_CURSOR
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if (pPriv->pPicture)
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FreePicture (pPriv->pPicture, 0);
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#endif
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xfree ((pointer) pPriv);
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dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), NULL);
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}
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return TRUE;
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}
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static void
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miDCPutBits (
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DrawablePtr pDrawable,
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miDCCursorPtr pPriv,
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GCPtr sourceGC,
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GCPtr maskGC,
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int x_org,
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int y_org,
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unsigned w,
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unsigned h,
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unsigned long source,
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unsigned long mask)
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{
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XID gcvals[1];
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int x, y;
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if (sourceGC->fgPixel != source)
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{
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gcvals[0] = source;
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DoChangeGC (sourceGC, GCForeground, gcvals, 0);
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}
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if (sourceGC->serialNumber != pDrawable->serialNumber)
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ValidateGC (pDrawable, sourceGC);
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if(sourceGC->miTranslate)
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{
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x = pDrawable->x + x_org;
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y = pDrawable->y + y_org;
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}
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else
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{
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x = x_org;
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y = y_org;
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}
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(*sourceGC->ops->PushPixels) (sourceGC, pPriv->sourceBits, pDrawable, w, h, x, y);
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if (maskGC->fgPixel != mask)
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{
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gcvals[0] = mask;
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DoChangeGC (maskGC, GCForeground, gcvals, 0);
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}
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if (maskGC->serialNumber != pDrawable->serialNumber)
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ValidateGC (pDrawable, maskGC);
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if(maskGC->miTranslate)
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{
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x = pDrawable->x + x_org;
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y = pDrawable->y + y_org;
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}
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else
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{
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x = x_org;
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y = y_org;
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}
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(*maskGC->ops->PushPixels) (maskGC, pPriv->maskBits, pDrawable, w, h, x, y);
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}
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#define EnsureGC(gc,win) (gc || miDCMakeGC(&gc, win))
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static GCPtr
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miDCMakeGC(
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GCPtr *ppGC,
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WindowPtr pWin)
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{
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GCPtr pGC;
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int status;
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XID gcvals[2];
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gcvals[0] = IncludeInferiors;
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gcvals[1] = FALSE;
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pGC = CreateGC((DrawablePtr)pWin,
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GCSubwindowMode|GCGraphicsExposures, gcvals, &status,
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(XID)0, serverClient);
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*ppGC = pGC;
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return pGC;
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}
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static Bool
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miDCPutUpCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
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int x, int y, unsigned long source, unsigned long mask)
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{
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miDCScreenPtr pScreenPriv;
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miDCCursorPtr pPriv;
|
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miDCBufferPtr pBuffer;
|
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WindowPtr pWin;
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|
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pPriv = (miDCCursorPtr)dixLookupPrivate(&pCursor->bits->devPrivates,
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CursorScreenKey(pScreen));
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if (!pPriv)
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{
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pPriv = miDCRealize(pScreen, pCursor);
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if (!pPriv)
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return FALSE;
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}
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pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
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miDCScreenKey);
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pWin = WindowTable[pScreen->myNum];
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pBuffer = MIDCBUFFER(pDev);
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|
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#ifdef ARGB_CURSOR
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if (pPriv->pPicture)
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{
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/* see comment in miDCPutUpCursor */
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if (pBuffer->pRootPicture &&
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pBuffer->pRootPicture->pDrawable &&
|
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pBuffer->pRootPicture->pDrawable->pScreen != pScreen)
|
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{
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tossPict(pBuffer->pRootPicture);
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pBuffer->pRootPicture = NULL;
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}
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|
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if (!EnsurePicture(pBuffer->pRootPicture, &pWin->drawable, pWin))
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return FALSE;
|
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CompositePicture (PictOpOver,
|
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pPriv->pPicture,
|
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NULL,
|
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pBuffer->pRootPicture,
|
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0, 0, 0, 0,
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x, y,
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pCursor->bits->width,
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pCursor->bits->height);
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}
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else
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#endif
|
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{
|
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/**
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* XXX: Before MPX, the sourceGC and maskGC were attached to the
|
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* screen, and would switch as the screen switches. With mpx we have
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* the GC's attached to the device now, so each time we switch screen
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* we need to make sure the GC's are allocated on the new screen.
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* This is ... not optimal. (whot)
|
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*/
|
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if (pBuffer->pSourceGC && pScreen != pBuffer->pSourceGC->pScreen)
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{
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tossGC(pBuffer->pSourceGC);
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pBuffer->pSourceGC = NULL;
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}
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|
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if (pBuffer->pMaskGC && pScreen != pBuffer->pMaskGC->pScreen)
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{
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tossGC(pBuffer->pMaskGC);
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pBuffer->pMaskGC = NULL;
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}
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|
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if (!EnsureGC(pBuffer->pSourceGC, pWin))
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return FALSE;
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if (!EnsureGC(pBuffer->pMaskGC, pWin))
|
|
{
|
|
FreeGC (pBuffer->pSourceGC, (GContext) 0);
|
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pBuffer->pSourceGC = 0;
|
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return FALSE;
|
|
}
|
|
miDCPutBits ((DrawablePtr)pWin, pPriv,
|
|
pBuffer->pSourceGC, pBuffer->pMaskGC,
|
|
x, y, pCursor->bits->width, pCursor->bits->height,
|
|
source, mask);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
miDCSaveUnderCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
|
|
int x, int y, int w, int h)
|
|
{
|
|
miDCScreenPtr pScreenPriv;
|
|
miDCBufferPtr pBuffer;
|
|
PixmapPtr pSave;
|
|
WindowPtr pWin;
|
|
GCPtr pGC;
|
|
|
|
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
|
|
miDCScreenKey);
|
|
pBuffer = MIDCBUFFER(pDev);
|
|
|
|
pSave = pBuffer->pSave;
|
|
pWin = WindowTable[pScreen->myNum];
|
|
if (!pSave || pSave->drawable.width < w || pSave->drawable.height < h)
|
|
{
|
|
if (pSave)
|
|
(*pScreen->DestroyPixmap) (pSave);
|
|
pBuffer->pSave = pSave =
|
|
(*pScreen->CreatePixmap) (pScreen, w, h, pScreen->rootDepth, 0);
|
|
if (!pSave)
|
|
return FALSE;
|
|
}
|
|
/* see comment in miDCPutUpCursor */
|
|
if (pBuffer->pSaveGC && pBuffer->pSaveGC->pScreen != pScreen)
|
|
{
|
|
tossGC(pBuffer->pSaveGC);
|
|
pBuffer->pSaveGC = NULL;
|
|
}
|
|
if (!EnsureGC(pBuffer->pSaveGC, pWin))
|
|
return FALSE;
|
|
pGC = pBuffer->pSaveGC;
|
|
if (pSave->drawable.serialNumber != pGC->serialNumber)
|
|
ValidateGC ((DrawablePtr) pSave, pGC);
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
|
|
x, y, w, h, 0, 0);
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
miDCRestoreUnderCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
|
|
int x, int y, int w, int h)
|
|
{
|
|
miDCScreenPtr pScreenPriv;
|
|
miDCBufferPtr pBuffer;
|
|
PixmapPtr pSave;
|
|
WindowPtr pWin;
|
|
GCPtr pGC;
|
|
|
|
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
|
|
miDCScreenKey);
|
|
pBuffer = MIDCBUFFER(pDev);
|
|
pSave = pBuffer->pSave;
|
|
|
|
pWin = WindowTable[pScreen->myNum];
|
|
if (!pSave)
|
|
return FALSE;
|
|
/* see comment in miDCPutUpCursor */
|
|
if (pBuffer->pRestoreGC && pBuffer->pRestoreGC->pScreen != pScreen)
|
|
{
|
|
tossGC(pBuffer->pRestoreGC);
|
|
pBuffer->pRestoreGC = NULL;
|
|
}
|
|
if (!EnsureGC(pBuffer->pRestoreGC, pWin))
|
|
return FALSE;
|
|
pGC = pBuffer->pRestoreGC;
|
|
if (pWin->drawable.serialNumber != pGC->serialNumber)
|
|
ValidateGC ((DrawablePtr) pWin, pGC);
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
|
|
0, 0, w, h, x, y);
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
miDCChangeSave (DeviceIntPtr pDev, ScreenPtr pScreen,
|
|
int x, int y, int w, int h, int dx, int dy)
|
|
{
|
|
miDCScreenPtr pScreenPriv;
|
|
miDCBufferPtr pBuffer;
|
|
PixmapPtr pSave;
|
|
WindowPtr pWin;
|
|
GCPtr pGC;
|
|
int sourcex, sourcey, destx, desty, copyw, copyh;
|
|
|
|
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
|
|
miDCScreenKey);
|
|
pBuffer = MIDCBUFFER(pDev);
|
|
|
|
pSave = pBuffer->pSave;
|
|
pWin = WindowTable[pScreen->myNum];
|
|
/*
|
|
* restore the bits which are about to get trashed
|
|
*/
|
|
if (!pSave)
|
|
return FALSE;
|
|
/* see comment in miDCPutUpCursor */
|
|
if (pBuffer->pRestoreGC && pBuffer->pRestoreGC->pScreen != pScreen)
|
|
{
|
|
tossGC(pBuffer->pRestoreGC);
|
|
pBuffer->pRestoreGC = NULL;
|
|
}
|
|
if (!EnsureGC(pBuffer->pRestoreGC, pWin))
|
|
return FALSE;
|
|
pGC = pBuffer->pRestoreGC;
|
|
if (pWin->drawable.serialNumber != pGC->serialNumber)
|
|
ValidateGC ((DrawablePtr) pWin, pGC);
|
|
/*
|
|
* copy the old bits to the screen.
|
|
*/
|
|
if (dy > 0)
|
|
{
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
|
|
0, h - dy, w, dy, x + dx, y + h);
|
|
}
|
|
else if (dy < 0)
|
|
{
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
|
|
0, 0, w, -dy, x + dx, y + dy);
|
|
}
|
|
if (dy >= 0)
|
|
{
|
|
desty = y + dy;
|
|
sourcey = 0;
|
|
copyh = h - dy;
|
|
}
|
|
else
|
|
{
|
|
desty = y;
|
|
sourcey = - dy;
|
|
copyh = h + dy;
|
|
}
|
|
if (dx > 0)
|
|
{
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
|
|
w - dx, sourcey, dx, copyh, x + w, desty);
|
|
}
|
|
else if (dx < 0)
|
|
{
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
|
|
0, sourcey, -dx, copyh, x + dx, desty);
|
|
}
|
|
/* see comment in miDCPutUpCursor */
|
|
if (pBuffer->pSaveGC && pBuffer->pSaveGC->pScreen != pScreen)
|
|
{
|
|
tossGC(pBuffer->pSaveGC);
|
|
pBuffer->pSaveGC = NULL;
|
|
}
|
|
if (!EnsureGC(pBuffer->pSaveGC, pWin))
|
|
return FALSE;
|
|
pGC = pBuffer->pSaveGC;
|
|
if (pSave->drawable.serialNumber != pGC->serialNumber)
|
|
ValidateGC ((DrawablePtr) pSave, pGC);
|
|
/*
|
|
* move the bits that are still valid within the pixmap
|
|
*/
|
|
if (dx >= 0)
|
|
{
|
|
sourcex = 0;
|
|
destx = dx;
|
|
copyw = w - dx;
|
|
}
|
|
else
|
|
{
|
|
destx = 0;
|
|
sourcex = - dx;
|
|
copyw = w + dx;
|
|
}
|
|
if (dy >= 0)
|
|
{
|
|
sourcey = 0;
|
|
desty = dy;
|
|
copyh = h - dy;
|
|
}
|
|
else
|
|
{
|
|
desty = 0;
|
|
sourcey = -dy;
|
|
copyh = h + dy;
|
|
}
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pSave, pGC,
|
|
sourcex, sourcey, copyw, copyh, destx, desty);
|
|
/*
|
|
* copy the new bits from the screen into the remaining areas of the
|
|
* pixmap
|
|
*/
|
|
if (dy > 0)
|
|
{
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
|
|
x, y, w, dy, 0, 0);
|
|
}
|
|
else if (dy < 0)
|
|
{
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
|
|
x, y + h + dy, w, -dy, 0, h + dy);
|
|
}
|
|
if (dy >= 0)
|
|
{
|
|
desty = dy;
|
|
sourcey = y + dy;
|
|
copyh = h - dy;
|
|
}
|
|
else
|
|
{
|
|
desty = 0;
|
|
sourcey = y;
|
|
copyh = h + dy;
|
|
}
|
|
if (dx > 0)
|
|
{
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
|
|
x, sourcey, dx, copyh, 0, desty);
|
|
}
|
|
else if (dx < 0)
|
|
{
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
|
|
x + w + dx, sourcey, -dx, copyh, w + dx, desty);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
miDCMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
|
|
int x, int y, int w, int h, int dx, int dy,
|
|
unsigned long source, unsigned long mask)
|
|
{
|
|
miDCCursorPtr pPriv;
|
|
miDCScreenPtr pScreenPriv;
|
|
miDCBufferPtr pBuffer;
|
|
int status;
|
|
WindowPtr pWin;
|
|
GCPtr pGC;
|
|
XID gcval = FALSE;
|
|
PixmapPtr pTemp;
|
|
|
|
pPriv = (miDCCursorPtr)dixLookupPrivate(&pCursor->bits->devPrivates,
|
|
CursorScreenKey(pScreen));
|
|
if (!pPriv)
|
|
{
|
|
pPriv = miDCRealize(pScreen, pCursor);
|
|
if (!pPriv)
|
|
return FALSE;
|
|
}
|
|
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
|
|
miDCScreenKey);
|
|
pWin = WindowTable[pScreen->myNum];
|
|
pBuffer = MIDCBUFFER(pDev);
|
|
|
|
pTemp = pBuffer->pTemp;
|
|
if (!pTemp ||
|
|
pTemp->drawable.width != pBuffer->pSave->drawable.width ||
|
|
pTemp->drawable.height != pBuffer->pSave->drawable.height)
|
|
{
|
|
if (pTemp)
|
|
(*pScreen->DestroyPixmap) (pTemp);
|
|
#ifdef ARGB_CURSOR
|
|
if (pBuffer->pTempPicture)
|
|
{
|
|
FreePicture (pBuffer->pTempPicture, 0);
|
|
pBuffer->pTempPicture = 0;
|
|
}
|
|
#endif
|
|
pBuffer->pTemp = pTemp = (*pScreen->CreatePixmap)
|
|
(pScreen, w, h, pBuffer->pSave->drawable.depth, 0);
|
|
if (!pTemp)
|
|
return FALSE;
|
|
}
|
|
if (!pBuffer->pMoveGC)
|
|
{
|
|
pBuffer->pMoveGC = CreateGC ((DrawablePtr)pTemp,
|
|
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
|
|
if (!pBuffer->pMoveGC)
|
|
return FALSE;
|
|
}
|
|
/*
|
|
* copy the saved area to a temporary pixmap
|
|
*/
|
|
pGC = pBuffer->pMoveGC;
|
|
if (pGC->serialNumber != pTemp->drawable.serialNumber)
|
|
ValidateGC ((DrawablePtr) pTemp, pGC);
|
|
(*pGC->ops->CopyArea)((DrawablePtr)pBuffer->pSave,
|
|
(DrawablePtr)pTemp, pGC, 0, 0, w, h, 0, 0);
|
|
|
|
/*
|
|
* draw the cursor in the temporary pixmap
|
|
*/
|
|
#ifdef ARGB_CURSOR
|
|
if (pPriv->pPicture)
|
|
{
|
|
/* see comment in miDCPutUpCursor */
|
|
if (pBuffer->pTempPicture &&
|
|
pBuffer->pTempPicture->pDrawable &&
|
|
pBuffer->pTempPicture->pDrawable->pScreen != pScreen)
|
|
{
|
|
tossPict(pBuffer->pTempPicture);
|
|
pBuffer->pTempPicture = NULL;
|
|
}
|
|
|
|
if (!EnsurePicture(pBuffer->pTempPicture, &pTemp->drawable, pWin))
|
|
return FALSE;
|
|
CompositePicture (PictOpOver,
|
|
pPriv->pPicture,
|
|
NULL,
|
|
pBuffer->pTempPicture,
|
|
0, 0, 0, 0,
|
|
dx, dy,
|
|
pCursor->bits->width,
|
|
pCursor->bits->height);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
if (!pBuffer->pPixSourceGC)
|
|
{
|
|
pBuffer->pPixSourceGC = CreateGC ((DrawablePtr)pTemp,
|
|
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
|
|
if (!pBuffer->pPixSourceGC)
|
|
return FALSE;
|
|
}
|
|
if (!pBuffer->pPixMaskGC)
|
|
{
|
|
pBuffer->pPixMaskGC = CreateGC ((DrawablePtr)pTemp,
|
|
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
|
|
if (!pBuffer->pPixMaskGC)
|
|
return FALSE;
|
|
}
|
|
miDCPutBits ((DrawablePtr)pTemp, pPriv,
|
|
pBuffer->pPixSourceGC, pBuffer->pPixMaskGC,
|
|
dx, dy, pCursor->bits->width, pCursor->bits->height,
|
|
source, mask);
|
|
}
|
|
|
|
/* see comment in miDCPutUpCursor */
|
|
if (pBuffer->pRestoreGC && pBuffer->pRestoreGC->pScreen != pScreen)
|
|
{
|
|
tossGC(pBuffer->pRestoreGC);
|
|
pBuffer->pRestoreGC = NULL;
|
|
}
|
|
/*
|
|
* copy the temporary pixmap onto the screen
|
|
*/
|
|
|
|
if (!EnsureGC(pBuffer->pRestoreGC, pWin))
|
|
return FALSE;
|
|
pGC = pBuffer->pRestoreGC;
|
|
if (pWin->drawable.serialNumber != pGC->serialNumber)
|
|
ValidateGC ((DrawablePtr) pWin, pGC);
|
|
|
|
(*pGC->ops->CopyArea) ((DrawablePtr) pTemp, (DrawablePtr) pWin,
|
|
pGC,
|
|
0, 0, w, h, x, y);
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
miDCBufferPtr pBuffer;
|
|
|
|
pBuffer = xalloc(sizeof(miDCBufferRec));
|
|
dixSetPrivate(&pDev->devPrivates, miDCSpriteKey, pBuffer);
|
|
|
|
pBuffer->pSourceGC =
|
|
pBuffer->pMaskGC =
|
|
pBuffer->pSaveGC =
|
|
pBuffer->pRestoreGC =
|
|
pBuffer->pMoveGC =
|
|
pBuffer->pPixSourceGC =
|
|
pBuffer->pPixMaskGC = NULL;
|
|
#ifdef ARGB_CURSOR
|
|
pBuffer->pRootPicture = NULL;
|
|
pBuffer->pTempPicture = NULL;
|
|
#endif
|
|
pBuffer->pSave = pBuffer->pTemp = NULL;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
miDCBufferPtr pBuffer;
|
|
|
|
if (DevHasCursor(pDev))
|
|
{
|
|
pBuffer = MIDCBUFFER(pDev);
|
|
tossGC (pBuffer->pSourceGC);
|
|
tossGC (pBuffer->pMaskGC);
|
|
tossGC (pBuffer->pSaveGC);
|
|
tossGC (pBuffer->pRestoreGC);
|
|
tossGC (pBuffer->pMoveGC);
|
|
tossGC (pBuffer->pPixSourceGC);
|
|
tossGC (pBuffer->pPixMaskGC);
|
|
tossPix (pBuffer->pSave);
|
|
tossPix (pBuffer->pTemp);
|
|
#ifdef ARGB_CURSOR
|
|
#if 0 /* This has been free()d before */
|
|
tossPict (pScreenPriv->pRootPicture);
|
|
#endif
|
|
tossPict (pBuffer->pTempPicture);
|
|
#endif
|
|
xfree(pBuffer);
|
|
dixSetPrivate(&pDev->devPrivates, miDCSpriteKey, NULL);
|
|
}
|
|
}
|