+++ /dev/null
-/*
- * dispcur.c
- *
- * cursor display routines - based on midispcur.c
- */
-
-/*
- * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
-/*
-
-Copyright (c) 1989 X Consortium
-
-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
-X CONSORTIUM 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 X Consortium 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 X Consortium.
-*/
-
-#define NEED_EVENTS
-# include "X.h"
-# include "misc.h"
-# include "input.h"
-# include "cursorstr.h"
-# include "windowstr.h"
-# include "regionstr.h"
-# include "dixstruct.h"
-# include "scrnintstr.h"
-# include "servermd.h"
-# include "mipointer.h"
-# include "sprite.h"
-# include "gcstruct.h"
-
-extern WindowPtr *WindowTable;
-
-/* per-screen private data */
-
-static int rfbDCScreenIndex;
-static unsigned long rfbDCGeneration = 0;
-
-static Bool rfbDCCloseScreen();
-
-typedef struct {
- GCPtr pSourceGC, pMaskGC;
- GCPtr pSaveGC, pRestoreGC;
- GCPtr pPixSourceGC, pPixMaskGC;
- CloseScreenProcPtr CloseScreen;
- PixmapPtr pSave;
-} rfbDCScreenRec, *rfbDCScreenPtr;
-
-/* per-cursor per-screen private data */
-typedef struct {
- PixmapPtr sourceBits; /* source bits */
- PixmapPtr maskBits; /* mask bits */
-} rfbDCCursorRec, *rfbDCCursorPtr;
-
-/*
- * sprite/cursor method table
- */
-
-static Bool rfbDCRealizeCursor(), rfbDCUnrealizeCursor();
-static Bool rfbDCPutUpCursor(), rfbDCSaveUnderCursor();
-static Bool rfbDCRestoreUnderCursor();
-
-static rfbSpriteCursorFuncRec rfbDCFuncs = {
- rfbDCRealizeCursor,
- rfbDCUnrealizeCursor,
- rfbDCPutUpCursor,
- rfbDCSaveUnderCursor,
- rfbDCRestoreUnderCursor,
-};
-
-Bool
-rfbDCInitialize (pScreen, screenFuncs)
- ScreenPtr pScreen;
- miPointerScreenFuncPtr screenFuncs;
-{
- rfbDCScreenPtr pScreenPriv;
-
- if (rfbDCGeneration != serverGeneration)
- {
- rfbDCScreenIndex = AllocateScreenPrivateIndex ();
- if (rfbDCScreenIndex < 0)
- return FALSE;
- rfbDCGeneration = serverGeneration;
- }
- pScreenPriv = (rfbDCScreenPtr) xalloc (sizeof (rfbDCScreenRec));
- if (!pScreenPriv)
- return FALSE;
-
- /*
- * initialize the entire private structure to zeros
- */
-
- pScreenPriv->pSourceGC =
- pScreenPriv->pMaskGC =
- pScreenPriv->pSaveGC =
- pScreenPriv->pRestoreGC =
- pScreenPriv->pPixSourceGC =
- pScreenPriv->pPixMaskGC = NULL;
-
- pScreenPriv->pSave = NULL;
-
- pScreenPriv->CloseScreen = pScreen->CloseScreen;
- pScreen->CloseScreen = rfbDCCloseScreen;
-
- pScreen->devPrivates[rfbDCScreenIndex].ptr = (pointer) pScreenPriv;
-
- if (!rfbSpriteInitialize (pScreen, &rfbDCFuncs, screenFuncs))
- {
- xfree ((pointer) pScreenPriv);
- return FALSE;
- }
- return TRUE;
-}
-
-#define tossGC(gc) (gc ? FreeGC (gc, (GContext) 0) : 0)
-#define tossPix(pix) (pix ? (*pScreen->DestroyPixmap) (pix) : TRUE)
-
-static Bool
-rfbDCCloseScreen (index, pScreen)
- ScreenPtr pScreen;
-{
- rfbDCScreenPtr pScreenPriv;
-
- pScreenPriv = (rfbDCScreenPtr) pScreen->devPrivates[rfbDCScreenIndex].ptr;
- pScreen->CloseScreen = pScreenPriv->CloseScreen;
- tossGC (pScreenPriv->pSourceGC);
- tossGC (pScreenPriv->pMaskGC);
- tossGC (pScreenPriv->pSaveGC);
- tossGC (pScreenPriv->pRestoreGC);
- tossGC (pScreenPriv->pPixSourceGC);
- tossGC (pScreenPriv->pPixMaskGC);
- tossPix (pScreenPriv->pSave);
- xfree ((pointer) pScreenPriv);
- return (*pScreen->CloseScreen) (index, pScreen);
-}
-
-static Bool
-rfbDCRealizeCursor (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- if (pCursor->bits->refcnt <= 1)
- pCursor->bits->devPriv[pScreen->myNum] = (pointer)NULL;
- return TRUE;
-}
-
-static rfbDCCursorPtr
-rfbDCRealize (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- rfbDCCursorPtr pPriv;
- GCPtr pGC;
- XID gcvals[3];
-
- pPriv = (rfbDCCursorPtr) xalloc (sizeof (rfbDCCursorRec));
- if (!pPriv)
- return (rfbDCCursorPtr)NULL;
- pPriv->sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1);
- if (!pPriv->sourceBits)
- {
- xfree ((pointer) pPriv);
- return (rfbDCCursorPtr)NULL;
- }
- pPriv->maskBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1);
- if (!pPriv->maskBits)
- {
- (*pScreen->DestroyPixmap) (pPriv->sourceBits);
- xfree ((pointer) pPriv);
- return (rfbDCCursorPtr)NULL;
- }
- pCursor->bits->devPriv[pScreen->myNum] = (pointer) pPriv;
-
- /* create the two sets of bits, clipping as appropriate */
-
- pGC = GetScratchGC (1, pScreen);
- if (!pGC)
- {
- (void) rfbDCUnrealizeCursor (pScreen, pCursor);
- return (rfbDCCursorPtr)NULL;
- }
-
- ValidateGC ((DrawablePtr)pPriv->sourceBits, pGC);
- (*pGC->ops->PutImage) ((DrawablePtr)pPriv->sourceBits, pGC, 1,
- 0, 0, pCursor->bits->width, pCursor->bits->height,
- 0, XYPixmap, (char *)pCursor->bits->source);
- gcvals[0] = GXand;
- ChangeGC (pGC, GCFunction, gcvals);
- ValidateGC ((DrawablePtr)pPriv->sourceBits, pGC);
- (*pGC->ops->PutImage) ((DrawablePtr)pPriv->sourceBits, pGC, 1,
- 0, 0, pCursor->bits->width, pCursor->bits->height,
- 0, XYPixmap, (char *)pCursor->bits->mask);
-
- /* mask bits -- pCursor->mask & ~pCursor->source */
- gcvals[0] = GXcopy;
- ChangeGC (pGC, GCFunction, gcvals);
- ValidateGC ((DrawablePtr)pPriv->maskBits, pGC);
- (*pGC->ops->PutImage) ((DrawablePtr)pPriv->maskBits, pGC, 1,
- 0, 0, pCursor->bits->width, pCursor->bits->height,
- 0, XYPixmap, (char *)pCursor->bits->mask);
- gcvals[0] = GXandInverted;
- ChangeGC (pGC, GCFunction, gcvals);
- ValidateGC ((DrawablePtr)pPriv->maskBits, pGC);
- (*pGC->ops->PutImage) ((DrawablePtr)pPriv->maskBits, pGC, 1,
- 0, 0, pCursor->bits->width, pCursor->bits->height,
- 0, XYPixmap, (char *)pCursor->bits->source);
- FreeScratchGC (pGC);
- return pPriv;
-}
-
-static Bool
-rfbDCUnrealizeCursor (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- rfbDCCursorPtr pPriv;
-
- pPriv = (rfbDCCursorPtr) pCursor->bits->devPriv[pScreen->myNum];
- if (pPriv && (pCursor->bits->refcnt <= 1))
- {
- (*pScreen->DestroyPixmap) (pPriv->sourceBits);
- (*pScreen->DestroyPixmap) (pPriv->maskBits);
- xfree ((pointer) pPriv);
- pCursor->bits->devPriv[pScreen->myNum] = (pointer)NULL;
- }
- return TRUE;
-}
-
-static void
-rfbDCPutBits (pDrawable, pPriv, sourceGC, maskGC, x, y, w, h, source, mask)
- DrawablePtr pDrawable;
- GCPtr sourceGC, maskGC;
- int x, y;
- unsigned w, h;
- rfbDCCursorPtr pPriv;
- unsigned long source, mask;
-{
- XID gcvals[1];
-
- if (sourceGC->fgPixel != source)
- {
- gcvals[0] = source;
- DoChangeGC (sourceGC, GCForeground, gcvals, 0);
- }
- if (sourceGC->serialNumber != pDrawable->serialNumber)
- ValidateGC (pDrawable, sourceGC);
- (*sourceGC->ops->PushPixels) (sourceGC, pPriv->sourceBits, pDrawable, w, h, x, y);
- if (maskGC->fgPixel != mask)
- {
- gcvals[0] = mask;
- DoChangeGC (maskGC, GCForeground, gcvals, 0);
- }
- if (maskGC->serialNumber != pDrawable->serialNumber)
- ValidateGC (pDrawable, maskGC);
- (*maskGC->ops->PushPixels) (maskGC, pPriv->maskBits, pDrawable, w, h, x, y);
-}
-
-#define EnsureGC(gc,win) (gc || rfbDCMakeGC(&gc, win))
-
-static GCPtr
-rfbDCMakeGC(ppGC, pWin)
- GCPtr *ppGC;
- WindowPtr pWin;
-{
- GCPtr pGC;
- int status;
- XID gcvals[2];
-
- gcvals[0] = IncludeInferiors;
- gcvals[1] = FALSE;
- pGC = CreateGC((DrawablePtr)pWin,
- GCSubwindowMode|GCGraphicsExposures, gcvals, &status);
- if (pGC)
- (*pWin->drawable.pScreen->DrawGuarantee) (pWin, pGC, GuaranteeVisBack);
- *ppGC = pGC;
- return pGC;
-}
-
-static Bool
-rfbDCPutUpCursor (pScreen, pCursor, x, y, source, mask)
- ScreenPtr pScreen;
- CursorPtr pCursor;
- int x, y;
- unsigned long source, mask;
-{
- rfbDCScreenPtr pScreenPriv;
- rfbDCCursorPtr pPriv;
- WindowPtr pWin;
-
- pPriv = (rfbDCCursorPtr) pCursor->bits->devPriv[pScreen->myNum];
- if (!pPriv)
- {
- pPriv = rfbDCRealize(pScreen, pCursor);
- if (!pPriv)
- return FALSE;
- }
- pScreenPriv = (rfbDCScreenPtr) pScreen->devPrivates[rfbDCScreenIndex].ptr;
- pWin = WindowTable[pScreen->myNum];
- if (!EnsureGC(pScreenPriv->pSourceGC, pWin))
- return FALSE;
- if (!EnsureGC(pScreenPriv->pMaskGC, pWin))
- {
- FreeGC (pScreenPriv->pSourceGC, (GContext) 0);
- pScreenPriv->pSourceGC = 0;
- return FALSE;
- }
- rfbDCPutBits ((DrawablePtr)pWin, pPriv,
- pScreenPriv->pSourceGC, pScreenPriv->pMaskGC,
- x, y, pCursor->bits->width, pCursor->bits->height,
- source, mask);
- return TRUE;
-}
-
-static Bool
-rfbDCSaveUnderCursor (pScreen, x, y, w, h)
- ScreenPtr pScreen;
- int x, y, w, h;
-{
- rfbDCScreenPtr pScreenPriv;
- PixmapPtr pSave;
- WindowPtr pWin;
- GCPtr pGC;
-
- pScreenPriv = (rfbDCScreenPtr) pScreen->devPrivates[rfbDCScreenIndex].ptr;
- pSave = pScreenPriv->pSave;
- pWin = WindowTable[pScreen->myNum];
- if (!pSave || pSave->drawable.width < w || pSave->drawable.height < h)
- {
- if (pSave)
- (*pScreen->DestroyPixmap) (pSave);
- pScreenPriv->pSave = pSave =
- (*pScreen->CreatePixmap) (pScreen, w, h, pScreen->rootDepth);
- if (!pSave)
- return FALSE;
- }
- if (!EnsureGC(pScreenPriv->pSaveGC, pWin))
- return FALSE;
- pGC = pScreenPriv->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
-rfbDCRestoreUnderCursor (pScreen, x, y, w, h)
- ScreenPtr pScreen;
- int x, y, w, h;
-{
- rfbDCScreenPtr pScreenPriv;
- PixmapPtr pSave;
- WindowPtr pWin;
- GCPtr pGC;
-
- pScreenPriv = (rfbDCScreenPtr) pScreen->devPrivates[rfbDCScreenIndex].ptr;
- pSave = pScreenPriv->pSave;
- pWin = WindowTable[pScreen->myNum];
- if (!pSave)
- return FALSE;
- if (!EnsureGC(pScreenPriv->pRestoreGC, pWin))
- return FALSE;
- pGC = pScreenPriv->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;
-}
projects / rdpsrv / blobdiff