+++ /dev/null
-/*
- * midispcur.c
- *
- * machine independent cursor display routines
- */
-
-/* $XConsortium: midispcur.c,v 5.14 94/04/17 20:27:28 dpw Exp $ */
-
-/*
-
-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 "misprite.h"
-# include "gcstruct.h"
-
-extern WindowPtr *WindowTable;
-
-/* per-screen private data */
-
-static int miDCScreenIndex;
-static unsigned long miDCGeneration = 0;
-
-static Bool miDCCloseScreen();
-
-typedef struct {
- GCPtr pSourceGC, pMaskGC;
- GCPtr pSaveGC, pRestoreGC;
- GCPtr pMoveGC;
- GCPtr pPixSourceGC, pPixMaskGC;
- CloseScreenProcPtr CloseScreen;
- PixmapPtr pSave, pTemp;
-} miDCScreenRec, *miDCScreenPtr;
-
-/* per-cursor per-screen private data */
-typedef struct {
- PixmapPtr sourceBits; /* source bits */
- PixmapPtr maskBits; /* mask bits */
-} miDCCursorRec, *miDCCursorPtr;
-
-/*
- * sprite/cursor method table
- */
-
-static Bool miDCRealizeCursor(), miDCUnrealizeCursor();
-static Bool miDCPutUpCursor(), miDCSaveUnderCursor();
-static Bool miDCRestoreUnderCursor(), miDCMoveCursor();
-static Bool miDCChangeSave();
-
-static miSpriteCursorFuncRec miDCFuncs = {
- miDCRealizeCursor,
- miDCUnrealizeCursor,
- miDCPutUpCursor,
- miDCSaveUnderCursor,
- miDCRestoreUnderCursor,
- miDCMoveCursor,
- miDCChangeSave,
-};
-
-Bool
-miDCInitialize (pScreen, screenFuncs)
- ScreenPtr pScreen;
- miPointerScreenFuncPtr screenFuncs;
-{
- miDCScreenPtr pScreenPriv;
-
- if (miDCGeneration != serverGeneration)
- {
- miDCScreenIndex = AllocateScreenPrivateIndex ();
- if (miDCScreenIndex < 0)
- return FALSE;
- miDCGeneration = serverGeneration;
- }
- pScreenPriv = (miDCScreenPtr) xalloc (sizeof (miDCScreenRec));
- if (!pScreenPriv)
- return FALSE;
-
- /*
- * initialize the entire private structure to zeros
- */
-
- pScreenPriv->pSourceGC =
- pScreenPriv->pMaskGC =
- pScreenPriv->pSaveGC =
- pScreenPriv->pRestoreGC =
- pScreenPriv->pMoveGC =
- pScreenPriv->pPixSourceGC =
- pScreenPriv->pPixMaskGC = NULL;
-
- pScreenPriv->pSave = pScreenPriv->pTemp = NULL;
-
- pScreenPriv->CloseScreen = pScreen->CloseScreen;
- pScreen->CloseScreen = miDCCloseScreen;
-
- pScreen->devPrivates[miDCScreenIndex].ptr = (pointer) pScreenPriv;
-
- if (!miSpriteInitialize (pScreen, &miDCFuncs, 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
-miDCCloseScreen (index, pScreen)
- ScreenPtr pScreen;
-{
- miDCScreenPtr pScreenPriv;
-
- pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
- pScreen->CloseScreen = pScreenPriv->CloseScreen;
- tossGC (pScreenPriv->pSourceGC);
- tossGC (pScreenPriv->pMaskGC);
- tossGC (pScreenPriv->pSaveGC);
- tossGC (pScreenPriv->pRestoreGC);
- tossGC (pScreenPriv->pMoveGC);
- tossGC (pScreenPriv->pPixSourceGC);
- tossGC (pScreenPriv->pPixMaskGC);
- tossPix (pScreenPriv->pSave);
- tossPix (pScreenPriv->pTemp);
- xfree ((pointer) pScreenPriv);
- return (*pScreen->CloseScreen) (index, pScreen);
-}
-
-static Bool
-miDCRealizeCursor (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- if (pCursor->bits->refcnt <= 1)
- pCursor->bits->devPriv[pScreen->myNum] = (pointer)NULL;
- return TRUE;
-}
-
-static miDCCursorPtr
-miDCRealize (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- miDCCursorPtr pPriv;
- GCPtr pGC;
- XID gcvals[3];
-
- pPriv = (miDCCursorPtr) xalloc (sizeof (miDCCursorRec));
- if (!pPriv)
- return (miDCCursorPtr)NULL;
- pPriv->sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1);
- if (!pPriv->sourceBits)
- {
- xfree ((pointer) pPriv);
- return (miDCCursorPtr)NULL;
- }
- pPriv->maskBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1);
- if (!pPriv->maskBits)
- {
- (*pScreen->DestroyPixmap) (pPriv->sourceBits);
- xfree ((pointer) pPriv);
- return (miDCCursorPtr)NULL;
- }
- pCursor->bits->devPriv[pScreen->myNum] = (pointer) pPriv;
-
- /* create the two sets of bits, clipping as appropriate */
-
- pGC = GetScratchGC (1, pScreen);
- if (!pGC)
- {
- (void) miDCUnrealizeCursor (pScreen, pCursor);
- return (miDCCursorPtr)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
-miDCUnrealizeCursor (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- miDCCursorPtr pPriv;
-
- pPriv = (miDCCursorPtr) 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
-miDCPutBits (pDrawable, pPriv, sourceGC, maskGC, x, y, w, h, source, mask)
- DrawablePtr pDrawable;
- GCPtr sourceGC, maskGC;
- int x, y;
- unsigned w, h;
- miDCCursorPtr 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 || miDCMakeGC(&gc, win))
-
-static GCPtr
-miDCMakeGC(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
-miDCPutUpCursor (pScreen, pCursor, x, y, source, mask)
- ScreenPtr pScreen;
- CursorPtr pCursor;
- int x, y;
- unsigned long source, mask;
-{
- miDCScreenPtr pScreenPriv;
- miDCCursorPtr pPriv;
- WindowPtr pWin;
-
- pPriv = (miDCCursorPtr) pCursor->bits->devPriv[pScreen->myNum];
- if (!pPriv)
- {
- pPriv = miDCRealize(pScreen, pCursor);
- if (!pPriv)
- return FALSE;
- }
- pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].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;
- }
- miDCPutBits ((DrawablePtr)pWin, pPriv,
- pScreenPriv->pSourceGC, pScreenPriv->pMaskGC,
- x, y, pCursor->bits->width, pCursor->bits->height,
- source, mask);
- return TRUE;
-}
-
-static Bool
-miDCSaveUnderCursor (pScreen, x, y, w, h)
- ScreenPtr pScreen;
- int x, y, w, h;
-{
- miDCScreenPtr pScreenPriv;
- PixmapPtr pSave;
- WindowPtr pWin;
- GCPtr pGC;
-
- pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].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
-miDCRestoreUnderCursor (pScreen, x, y, w, h)
- ScreenPtr pScreen;
- int x, y, w, h;
-{
- miDCScreenPtr pScreenPriv;
- PixmapPtr pSave;
- WindowPtr pWin;
- GCPtr pGC;
-
- pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].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;
-}
-
-static Bool
-miDCChangeSave (pScreen, x, y, w, h, dx, dy)
- ScreenPtr pScreen;
- int x, y, w, h, dx, dy;
-{
- miDCScreenPtr pScreenPriv;
- PixmapPtr pSave;
- WindowPtr pWin;
- GCPtr pGC;
- int sourcex, sourcey, destx, desty, copyw, copyh;
-
- pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
- pSave = pScreenPriv->pSave;
- pWin = WindowTable[pScreen->myNum];
- /*
- * restore the bits which are about to get trashed
- */
- if (!pSave)
- return FALSE;
- if (!EnsureGC(pScreenPriv->pRestoreGC, pWin))
- return FALSE;
- pGC = pScreenPriv->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);
- }
- if (!EnsureGC(pScreenPriv->pSaveGC, pWin))
- return FALSE;
- pGC = pScreenPriv->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 (pScreen, pCursor, x, y, w, h, dx, dy, source, mask)
- ScreenPtr pScreen;
- CursorPtr pCursor;
- int x, y, w, h, dx, dy;
- unsigned long source, mask;
-{
- miDCCursorPtr pPriv;
- miDCScreenPtr pScreenPriv;
- int status;
- WindowPtr pWin;
- GCPtr pGC;
- XID gcval = FALSE;
- PixmapPtr pTemp;
-
- pPriv = (miDCCursorPtr) pCursor->bits->devPriv[pScreen->myNum];
- if (!pPriv)
- {
- pPriv = miDCRealize(pScreen, pCursor);
- if (!pPriv)
- return FALSE;
- }
- pScreenPriv = (miDCScreenPtr) pScreen->devPrivates[miDCScreenIndex].ptr;
- pWin = WindowTable[pScreen->myNum];
- pTemp = pScreenPriv->pTemp;
- if (!pTemp ||
- pTemp->drawable.width != pScreenPriv->pSave->drawable.width ||
- pTemp->drawable.height != pScreenPriv->pSave->drawable.height)
- {
- if (pTemp)
- (*pScreen->DestroyPixmap) (pTemp);
- pScreenPriv->pTemp = pTemp = (*pScreen->CreatePixmap)
- (pScreen, w, h, pScreenPriv->pSave->drawable.depth);
- if (!pTemp)
- return FALSE;
- }
- if (!pScreenPriv->pMoveGC)
- {
- pScreenPriv->pMoveGC = CreateGC ((DrawablePtr)pTemp,
- GCGraphicsExposures, &gcval, &status);
- if (!pScreenPriv->pMoveGC)
- return FALSE;
- }
- /*
- * copy the saved area to a temporary pixmap
- */
- pGC = pScreenPriv->pMoveGC;
- if (pGC->serialNumber != pTemp->drawable.serialNumber)
- ValidateGC ((DrawablePtr) pTemp, pGC);
- (*pGC->ops->CopyArea)((DrawablePtr)pScreenPriv->pSave,
- (DrawablePtr)pTemp, pGC, 0, 0, w, h, 0, 0);
-
- /*
- * draw the cursor in the temporary pixmap
- */
- if (!pScreenPriv->pPixSourceGC)
- {
- pScreenPriv->pPixSourceGC = CreateGC ((DrawablePtr)pTemp,
- GCGraphicsExposures, &gcval, &status);
- if (!pScreenPriv->pPixSourceGC)
- return FALSE;
- }
- if (!pScreenPriv->pPixMaskGC)
- {
- pScreenPriv->pPixMaskGC = CreateGC ((DrawablePtr)pTemp,
- GCGraphicsExposures, &gcval, &status);
- if (!pScreenPriv->pPixMaskGC)
- return FALSE;
- }
- miDCPutBits ((DrawablePtr)pTemp, pPriv,
- pScreenPriv->pPixSourceGC, pScreenPriv->pPixMaskGC,
- dx, dy, pCursor->bits->width, pCursor->bits->height,
- source, mask);
-
- /*
- * copy the temporary pixmap onto the screen
- */
-
- if (!EnsureGC(pScreenPriv->pRestoreGC, pWin))
- return FALSE;
- pGC = pScreenPriv->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;
-}
projects / rdpsrv / blobdiff