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Diffstat (limited to 'xorg-server/mi/midispcur.c')
-rw-r--r--xorg-server/mi/midispcur.c1748
1 files changed, 874 insertions, 874 deletions
diff --git a/xorg-server/mi/midispcur.c b/xorg-server/mi/midispcur.c
index 904163091..d4b7f132b 100644
--- a/xorg-server/mi/midispcur.c
+++ b/xorg-server/mi/midispcur.c
@@ -1,874 +1,874 @@
-/*
- * midispcur.c
- *
- * machine independent cursor display routines
- */
-
-
-/*
-
-Copyright 1989, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-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
-OPEN GROUP 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 Open Group 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 Open Group.
-*/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-# include <X11/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"
-
-#ifdef ARGB_CURSOR
-# include "picturestr.h"
-#endif
-
-# include "inputstr.h"
-
-/* per-screen private data */
-static int miDCScreenKeyIndex;
-static DevPrivateKey miDCScreenKey = &miDCScreenKeyIndex;
-
-static Bool miDCCloseScreen(int index, ScreenPtr pScreen);
-
-/* per device per-screen private data */
-static int miDCSpriteKeyIndex[MAXSCREENS];
-static DevPrivateKey miDCSpriteKey = miDCSpriteKeyIndex;
-
-typedef struct {
- GCPtr pSourceGC, pMaskGC;
- GCPtr pSaveGC, pRestoreGC;
- GCPtr pMoveGC;
- GCPtr pPixSourceGC, pPixMaskGC;
- PixmapPtr pSave, pTemp;
-#ifdef ARGB_CURSOR
- PicturePtr pRootPicture;
- PicturePtr pTempPicture;
-#endif
-} miDCBufferRec, *miDCBufferPtr;
-
-#define MIDCBUFFER(dev, screen) \
- ((DevHasCursor(dev)) ? \
- (miDCBufferPtr)dixLookupPrivate(&dev->devPrivates, miDCSpriteKey + (screen)->myNum) : \
- (miDCBufferPtr)dixLookupPrivate(&dev->u.master->devPrivates, miDCSpriteKey + (screen)->myNum))
-
-/*
- * The core pointer buffer will point to the index of the virtual core pointer
- * in the pCursorBuffers array.
- */
-typedef struct {
- CloseScreenProcPtr CloseScreen;
-} miDCScreenRec, *miDCScreenPtr;
-
-/* per-cursor per-screen private data */
-typedef struct {
- PixmapPtr sourceBits; /* source bits */
- PixmapPtr maskBits; /* mask bits */
-#ifdef ARGB_CURSOR
- PicturePtr pPicture;
-#endif
-} miDCCursorRec, *miDCCursorPtr;
-
-/*
- * sprite/cursor method table
- */
-
-static Bool miDCRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
-static Bool miDCUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
-static Bool miDCPutUpCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- CursorPtr pCursor, int x, int y,
- unsigned long source, unsigned long mask);
-static Bool miDCSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- int x, int y,
- int w, int h);
-static Bool miDCRestoreUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
- int x, int y,
- int w, int h);
-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);
-static Bool miDCChangeSave(DeviceIntPtr pDev, ScreenPtr pScreen,
- int x, int y, int w, int h,
- int dx, int dy);
-
-static Bool miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
-static void miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
-
-static miSpriteCursorFuncRec miDCFuncs = {
- miDCRealizeCursor,
- miDCUnrealizeCursor,
- miDCPutUpCursor,
- miDCSaveUnderCursor,
- miDCRestoreUnderCursor,
- miDCMoveCursor,
- miDCChangeSave,
- miDCDeviceInitialize,
- miDCDeviceCleanup
-};
-
-Bool
-miDCInitialize (ScreenPtr pScreen, miPointerScreenFuncPtr screenFuncs)
-{
- miDCScreenPtr pScreenPriv;
-
- pScreenPriv = xalloc (sizeof (miDCScreenRec));
- if (!pScreenPriv)
- return FALSE;
-
-
- pScreenPriv->CloseScreen = pScreen->CloseScreen;
- pScreen->CloseScreen = miDCCloseScreen;
-
- dixSetPrivate(&pScreen->devPrivates, miDCScreenKey, pScreenPriv);
-
- if (!miSpriteInitialize (pScreen, &miDCFuncs, screenFuncs))
- {
- xfree ((pointer) pScreenPriv);
- return FALSE;
- }
- return TRUE;
-}
-
-static Bool
-miDCCloseScreen (int index, ScreenPtr pScreen)
-{
- miDCScreenPtr pScreenPriv;
-
- pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
- miDCScreenKey);
- pScreen->CloseScreen = pScreenPriv->CloseScreen;
- xfree ((pointer) pScreenPriv);
- return (*pScreen->CloseScreen) (index, pScreen);
-}
-
-static Bool
-miDCRealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
-{
- if (pCursor->bits->refcnt <= 1)
- dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), NULL);
- return TRUE;
-}
-
-#ifdef ARGB_CURSOR
-
-static VisualPtr
-miDCGetWindowVisual (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- VisualID vid = wVisual (pWin);
- int i;
-
- for (i = 0; i < pScreen->numVisuals; i++)
- if (pScreen->visuals[i].vid == vid)
- return &pScreen->visuals[i];
- return 0;
-}
-
-static PicturePtr
-miDCMakePicture (PicturePtr *ppPicture, DrawablePtr pDraw, WindowPtr pWin)
-{
- ScreenPtr pScreen = pDraw->pScreen;
- VisualPtr pVisual;
- PictFormatPtr pFormat;
- XID subwindow_mode = IncludeInferiors;
- PicturePtr pPicture;
- int error;
-
- pVisual = miDCGetWindowVisual (pWin);
- if (!pVisual)
- return 0;
- pFormat = PictureMatchVisual (pScreen, pDraw->depth, pVisual);
- if (!pFormat)
- return 0;
- pPicture = CreatePicture (0, pDraw, pFormat,
- CPSubwindowMode, &subwindow_mode,
- serverClient, &error);
- *ppPicture = pPicture;
- return pPicture;
-}
-#endif
-
-static miDCCursorPtr
-miDCRealize (ScreenPtr pScreen, CursorPtr pCursor)
-{
- miDCCursorPtr pPriv;
- GCPtr pGC;
- XID gcvals[3];
-
- pPriv = xalloc (sizeof (miDCCursorRec));
- if (!pPriv)
- return NULL;
-#ifdef ARGB_CURSOR
- if (pCursor->bits->argb)
- {
- PixmapPtr pPixmap;
- PictFormatPtr pFormat;
- int error;
-
- pFormat = PictureMatchFormat (pScreen, 32, PICT_a8r8g8b8);
- if (!pFormat)
- {
- xfree ((pointer) pPriv);
- return NULL;
- }
-
- pPriv->sourceBits = 0;
- pPriv->maskBits = 0;
- pPixmap = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width,
- pCursor->bits->height, 32,
- CREATE_PIXMAP_USAGE_SCRATCH);
- if (!pPixmap)
- {
- xfree ((pointer) pPriv);
- return NULL;
- }
- pGC = GetScratchGC (32, pScreen);
- if (!pGC)
- {
- (*pScreen->DestroyPixmap) (pPixmap);
- xfree ((pointer) pPriv);
- return NULL;
- }
- ValidateGC (&pPixmap->drawable, pGC);
- (*pGC->ops->PutImage) (&pPixmap->drawable, pGC, 32,
- 0, 0, pCursor->bits->width,
- pCursor->bits->height,
- 0, ZPixmap, (char *) pCursor->bits->argb);
- FreeScratchGC (pGC);
- pPriv->pPicture = CreatePicture (0, &pPixmap->drawable,
- pFormat, 0, 0, serverClient, &error);
- (*pScreen->DestroyPixmap) (pPixmap);
- if (!pPriv->pPicture)
- {
- xfree ((pointer) pPriv);
- return NULL;
- }
- dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), pPriv);
- return pPriv;
- }
- pPriv->pPicture = 0;
-#endif
- pPriv->sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1, 0);
- if (!pPriv->sourceBits)
- {
- xfree ((pointer) pPriv);
- return NULL;
- }
- pPriv->maskBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1, 0);
- if (!pPriv->maskBits)
- {
- (*pScreen->DestroyPixmap) (pPriv->sourceBits);
- xfree ((pointer) pPriv);
- return NULL;
- }
- dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), pPriv);
-
- /* create the two sets of bits, clipping as appropriate */
-
- pGC = GetScratchGC (1, pScreen);
- if (!pGC)
- {
- (void) miDCUnrealizeCursor (pScreen, pCursor);
- return 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 (ScreenPtr pScreen, CursorPtr pCursor)
-{
- miDCCursorPtr pPriv;
-
- pPriv = (miDCCursorPtr)dixLookupPrivate(&pCursor->bits->devPrivates,
- CursorScreenKey(pScreen));
- if (pPriv && (pCursor->bits->refcnt <= 1))
- {
- if (pPriv->sourceBits)
- (*pScreen->DestroyPixmap) (pPriv->sourceBits);
- if (pPriv->maskBits)
- (*pScreen->DestroyPixmap) (pPriv->maskBits);
-#ifdef ARGB_CURSOR
- if (pPriv->pPicture)
- FreePicture (pPriv->pPicture, 0);
-#endif
- xfree ((pointer) pPriv);
- dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), NULL);
- }
- return TRUE;
-}
-
-static void
-miDCPutBits (
- DrawablePtr pDrawable,
- miDCCursorPtr pPriv,
- GCPtr sourceGC,
- GCPtr maskGC,
- int x_org,
- int y_org,
- unsigned w,
- unsigned h,
- unsigned long source,
- unsigned long mask)
-{
- XID gcvals[1];
- int x, y;
-
- if (sourceGC->fgPixel != source)
- {
- gcvals[0] = source;
- DoChangeGC (sourceGC, GCForeground, gcvals, 0);
- }
- if (sourceGC->serialNumber != pDrawable->serialNumber)
- ValidateGC (pDrawable, sourceGC);
-
- if(sourceGC->miTranslate)
- {
- x = pDrawable->x + x_org;
- y = pDrawable->y + y_org;
- }
- else
- {
- x = x_org;
- y = y_org;
- }
-
- (*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);
-
- if(maskGC->miTranslate)
- {
- x = pDrawable->x + x_org;
- y = pDrawable->y + y_org;
- }
- else
- {
- x = x_org;
- y = y_org;
- }
-
- (*maskGC->ops->PushPixels) (maskGC, pPriv->maskBits, pDrawable, w, h, x, y);
-}
-
-static GCPtr
-miDCMakeGC(WindowPtr pWin)
-{
- GCPtr pGC;
- int status;
- XID gcvals[2];
-
- gcvals[0] = IncludeInferiors;
- gcvals[1] = FALSE;
- pGC = CreateGC((DrawablePtr)pWin,
- GCSubwindowMode|GCGraphicsExposures, gcvals, &status,
- (XID)0, serverClient);
- return pGC;
-}
-
-
-static Bool
-miDCPutUpCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
- int x, int y, unsigned long source, unsigned long mask)
-{
- miDCScreenPtr pScreenPriv;
- miDCCursorPtr pPriv;
- miDCBufferPtr pBuffer;
- WindowPtr pWin;
-
- 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, pScreen);
-
-#ifdef ARGB_CURSOR
- if (pPriv->pPicture)
- {
- CompositePicture (PictOpOver,
- pPriv->pPicture,
- NULL,
- pBuffer->pRootPicture,
- 0, 0, 0, 0,
- x, y,
- pCursor->bits->width,
- pCursor->bits->height);
- }
- else
-#endif
- {
- 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, pScreen);
-
- 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;
- }
-
- 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, pScreen);
- pSave = pBuffer->pSave;
-
- pWin = WindowTable[pScreen->myNum];
- if (!pSave)
- 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, pScreen);
-
- pSave = pBuffer->pSave;
- pWin = WindowTable[pScreen->myNum];
- /*
- * restore the bits which are about to get trashed
- */
- if (!pSave)
- 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);
- }
-
- 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, pScreen);
-
- 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)
- {
- if (!pBuffer->pTempPicture)
- miDCMakePicture(&pBuffer->pTempPicture, &pTemp->drawable, pWin);
-
- CompositePicture (PictOpOver,
- pPriv->pPicture,
- NULL,
- pBuffer->pTempPicture,
- 0, 0, 0, 0,
- dx, dy,
- pCursor->bits->width,
- pCursor->bits->height);
- }
- else
-#endif
- {
- miDCPutBits ((DrawablePtr)pTemp, pPriv,
- pBuffer->pPixSourceGC, pBuffer->pPixMaskGC,
- dx, dy, pCursor->bits->width, pCursor->bits->height,
- source, mask);
- }
-
- 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;
- WindowPtr pWin;
- XID gcval = FALSE;
- int status;
- int i;
-
- if (!DevHasCursor(pDev))
- return TRUE;
-
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
-
- pBuffer = xalloc(sizeof(miDCBufferRec));
- if (!pBuffer)
- goto failure;
-
- dixSetPrivate(&pDev->devPrivates, miDCSpriteKey + pScreen->myNum, pBuffer);
- pWin = WindowTable[pScreen->myNum];
-
- pBuffer->pSourceGC = miDCMakeGC(pWin);
- if (!pBuffer->pSourceGC)
- goto failure;
-
- pBuffer->pMaskGC = miDCMakeGC(pWin);
- if (!pBuffer->pMaskGC)
- goto failure;
-
- pBuffer->pSaveGC = miDCMakeGC(pWin);
- if (!pBuffer->pSaveGC)
- goto failure;
-
- pBuffer->pRestoreGC = miDCMakeGC(pWin);
- if (!pBuffer->pRestoreGC)
- goto failure;
-
- pBuffer->pMoveGC = CreateGC ((DrawablePtr)pWin,
- GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
- if (!pBuffer->pMoveGC)
- goto failure;
-
- pBuffer->pPixSourceGC = CreateGC ((DrawablePtr)pWin,
- GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
- if (!pBuffer->pPixSourceGC)
- goto failure;
-
- pBuffer->pPixMaskGC = CreateGC ((DrawablePtr)pWin,
- GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
- if (!pBuffer->pPixMaskGC)
- goto failure;
-
-#ifdef ARGB_CURSOR
- miDCMakePicture(&pBuffer->pRootPicture, &pWin->drawable, pWin);
- if (!pBuffer->pRootPicture)
- goto failure;
-
- pBuffer->pTempPicture = NULL;
-#endif
-
- // these get (re)allocated lazily depending on the cursor size
- pBuffer->pSave = pBuffer->pTemp = NULL;
- }
-
- return TRUE;
-
-failure:
-
- miDCDeviceCleanup(pDev, pScreen);
-
- return FALSE;
-}
-
-static void
-miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
-{
- miDCBufferPtr pBuffer;
- int i;
-
- if (DevHasCursor(pDev))
- {
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
-
- pBuffer = MIDCBUFFER(pDev, pScreen);
-
- if (pBuffer)
- {
- if (pBuffer->pSourceGC) FreeGC(pBuffer->pSourceGC, (GContext) 0);
- if (pBuffer->pMaskGC) FreeGC(pBuffer->pMaskGC, (GContext) 0);
- if (pBuffer->pSaveGC) FreeGC(pBuffer->pSaveGC, (GContext) 0);
- if (pBuffer->pRestoreGC) FreeGC(pBuffer->pRestoreGC, (GContext) 0);
- if (pBuffer->pMoveGC) FreeGC(pBuffer->pMoveGC, (GContext) 0);
- if (pBuffer->pPixSourceGC) FreeGC(pBuffer->pPixSourceGC, (GContext) 0);
- if (pBuffer->pPixMaskGC) FreeGC(pBuffer->pPixMaskGC, (GContext) 0);
-
- if (pBuffer->pSave) (*pScreen->DestroyPixmap)(pBuffer->pSave);
- if (pBuffer->pTemp) (*pScreen->DestroyPixmap)(pBuffer->pTemp);
-
- xfree(pBuffer);
- dixSetPrivate(&pDev->devPrivates, miDCSpriteKey + pScreen->myNum, NULL);
- }
- }
- }
-}
+/*
+ * midispcur.c
+ *
+ * machine independent cursor display routines
+ */
+
+
+/*
+
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+# include <X11/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"
+
+#ifdef ARGB_CURSOR
+# include "picturestr.h"
+#endif
+
+# include "inputstr.h"
+
+/* per-screen private data */
+static int miDCScreenKeyIndex;
+static DevPrivateKey miDCScreenKey = &miDCScreenKeyIndex;
+
+static Bool miDCCloseScreen(int index, ScreenPtr pScreen);
+
+/* per device per-screen private data */
+static int miDCSpriteKeyIndex[MAXSCREENS];
+static DevPrivateKey miDCSpriteKey = miDCSpriteKeyIndex;
+
+typedef struct {
+ GCPtr pSourceGC, pMaskGC;
+ GCPtr pSaveGC, pRestoreGC;
+ GCPtr pMoveGC;
+ GCPtr pPixSourceGC, pPixMaskGC;
+ PixmapPtr pSave, pTemp;
+#ifdef ARGB_CURSOR
+ PicturePtr pRootPicture;
+ PicturePtr pTempPicture;
+#endif
+} miDCBufferRec, *miDCBufferPtr;
+
+#define MIDCBUFFER(dev, screen) \
+ ((DevHasCursor(dev)) ? \
+ (miDCBufferPtr)dixLookupPrivate(&dev->devPrivates, miDCSpriteKey + (screen)->myNum) : \
+ (miDCBufferPtr)dixLookupPrivate(&dev->u.master->devPrivates, miDCSpriteKey + (screen)->myNum))
+
+/*
+ * The core pointer buffer will point to the index of the virtual core pointer
+ * in the pCursorBuffers array.
+ */
+typedef struct {
+ CloseScreenProcPtr CloseScreen;
+} miDCScreenRec, *miDCScreenPtr;
+
+/* per-cursor per-screen private data */
+typedef struct {
+ PixmapPtr sourceBits; /* source bits */
+ PixmapPtr maskBits; /* mask bits */
+#ifdef ARGB_CURSOR
+ PicturePtr pPicture;
+#endif
+} miDCCursorRec, *miDCCursorPtr;
+
+/*
+ * sprite/cursor method table
+ */
+
+static Bool miDCRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
+static Bool miDCUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor);
+static Bool miDCPutUpCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ CursorPtr pCursor, int x, int y,
+ unsigned long source, unsigned long mask);
+static Bool miDCSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ int x, int y,
+ int w, int h);
+static Bool miDCRestoreUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
+ int x, int y,
+ int w, int h);
+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);
+static Bool miDCChangeSave(DeviceIntPtr pDev, ScreenPtr pScreen,
+ int x, int y, int w, int h,
+ int dx, int dy);
+
+static Bool miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
+static void miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
+
+static miSpriteCursorFuncRec miDCFuncs = {
+ miDCRealizeCursor,
+ miDCUnrealizeCursor,
+ miDCPutUpCursor,
+ miDCSaveUnderCursor,
+ miDCRestoreUnderCursor,
+ miDCMoveCursor,
+ miDCChangeSave,
+ miDCDeviceInitialize,
+ miDCDeviceCleanup
+};
+
+Bool
+miDCInitialize (ScreenPtr pScreen, miPointerScreenFuncPtr screenFuncs)
+{
+ miDCScreenPtr pScreenPriv;
+
+ pScreenPriv = malloc(sizeof (miDCScreenRec));
+ if (!pScreenPriv)
+ return FALSE;
+
+
+ pScreenPriv->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = miDCCloseScreen;
+
+ dixSetPrivate(&pScreen->devPrivates, miDCScreenKey, pScreenPriv);
+
+ if (!miSpriteInitialize (pScreen, &miDCFuncs, screenFuncs))
+ {
+ free((pointer) pScreenPriv);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static Bool
+miDCCloseScreen (int index, ScreenPtr pScreen)
+{
+ miDCScreenPtr pScreenPriv;
+
+ pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
+ miDCScreenKey);
+ pScreen->CloseScreen = pScreenPriv->CloseScreen;
+ free((pointer) pScreenPriv);
+ return (*pScreen->CloseScreen) (index, pScreen);
+}
+
+static Bool
+miDCRealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
+{
+ if (pCursor->bits->refcnt <= 1)
+ dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), NULL);
+ return TRUE;
+}
+
+#ifdef ARGB_CURSOR
+
+static VisualPtr
+miDCGetWindowVisual (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ VisualID vid = wVisual (pWin);
+ int i;
+
+ for (i = 0; i < pScreen->numVisuals; i++)
+ if (pScreen->visuals[i].vid == vid)
+ return &pScreen->visuals[i];
+ return 0;
+}
+
+static PicturePtr
+miDCMakePicture (PicturePtr *ppPicture, DrawablePtr pDraw, WindowPtr pWin)
+{
+ ScreenPtr pScreen = pDraw->pScreen;
+ VisualPtr pVisual;
+ PictFormatPtr pFormat;
+ XID subwindow_mode = IncludeInferiors;
+ PicturePtr pPicture;
+ int error;
+
+ pVisual = miDCGetWindowVisual (pWin);
+ if (!pVisual)
+ return 0;
+ pFormat = PictureMatchVisual (pScreen, pDraw->depth, pVisual);
+ if (!pFormat)
+ return 0;
+ pPicture = CreatePicture (0, pDraw, pFormat,
+ CPSubwindowMode, &subwindow_mode,
+ serverClient, &error);
+ *ppPicture = pPicture;
+ return pPicture;
+}
+#endif
+
+static miDCCursorPtr
+miDCRealize (ScreenPtr pScreen, CursorPtr pCursor)
+{
+ miDCCursorPtr pPriv;
+ GCPtr pGC;
+ ChangeGCVal gcvals;
+
+ pPriv = malloc(sizeof (miDCCursorRec));
+ if (!pPriv)
+ return NULL;
+#ifdef ARGB_CURSOR
+ if (pCursor->bits->argb)
+ {
+ PixmapPtr pPixmap;
+ PictFormatPtr pFormat;
+ int error;
+
+ pFormat = PictureMatchFormat (pScreen, 32, PICT_a8r8g8b8);
+ if (!pFormat)
+ {
+ free((pointer) pPriv);
+ return NULL;
+ }
+
+ pPriv->sourceBits = 0;
+ pPriv->maskBits = 0;
+ pPixmap = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width,
+ pCursor->bits->height, 32,
+ CREATE_PIXMAP_USAGE_SCRATCH);
+ if (!pPixmap)
+ {
+ free((pointer) pPriv);
+ return NULL;
+ }
+ pGC = GetScratchGC (32, pScreen);
+ if (!pGC)
+ {
+ (*pScreen->DestroyPixmap) (pPixmap);
+ free((pointer) pPriv);
+ return NULL;
+ }
+ ValidateGC (&pPixmap->drawable, pGC);
+ (*pGC->ops->PutImage) (&pPixmap->drawable, pGC, 32,
+ 0, 0, pCursor->bits->width,
+ pCursor->bits->height,
+ 0, ZPixmap, (char *) pCursor->bits->argb);
+ FreeScratchGC (pGC);
+ pPriv->pPicture = CreatePicture (0, &pPixmap->drawable,
+ pFormat, 0, 0, serverClient, &error);
+ (*pScreen->DestroyPixmap) (pPixmap);
+ if (!pPriv->pPicture)
+ {
+ free((pointer) pPriv);
+ return NULL;
+ }
+ dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), pPriv);
+ return pPriv;
+ }
+ pPriv->pPicture = 0;
+#endif
+ pPriv->sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1, 0);
+ if (!pPriv->sourceBits)
+ {
+ free((pointer) pPriv);
+ return NULL;
+ }
+ pPriv->maskBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, pCursor->bits->height, 1, 0);
+ if (!pPriv->maskBits)
+ {
+ (*pScreen->DestroyPixmap) (pPriv->sourceBits);
+ free((pointer) pPriv);
+ return NULL;
+ }
+ dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), pPriv);
+
+ /* create the two sets of bits, clipping as appropriate */
+
+ pGC = GetScratchGC (1, pScreen);
+ if (!pGC)
+ {
+ (void) miDCUnrealizeCursor (pScreen, pCursor);
+ return 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.val = GXand;
+ ChangeGC (NullClient, 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.val = GXcopy;
+ ChangeGC (NullClient, 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.val = GXandInverted;
+ ChangeGC (NullClient, 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 (ScreenPtr pScreen, CursorPtr pCursor)
+{
+ miDCCursorPtr pPriv;
+
+ pPriv = (miDCCursorPtr)dixLookupPrivate(&pCursor->bits->devPrivates,
+ CursorScreenKey(pScreen));
+ if (pPriv && (pCursor->bits->refcnt <= 1))
+ {
+ if (pPriv->sourceBits)
+ (*pScreen->DestroyPixmap) (pPriv->sourceBits);
+ if (pPriv->maskBits)
+ (*pScreen->DestroyPixmap) (pPriv->maskBits);
+#ifdef ARGB_CURSOR
+ if (pPriv->pPicture)
+ FreePicture (pPriv->pPicture, 0);
+#endif
+ free((pointer) pPriv);
+ dixSetPrivate(&pCursor->bits->devPrivates, CursorScreenKey(pScreen), NULL);
+ }
+ return TRUE;
+}
+
+static void
+miDCPutBits (
+ DrawablePtr pDrawable,
+ miDCCursorPtr pPriv,
+ GCPtr sourceGC,
+ GCPtr maskGC,
+ int x_org,
+ int y_org,
+ unsigned w,
+ unsigned h,
+ unsigned long source,
+ unsigned long mask)
+{
+ ChangeGCVal gcval;
+ int x, y;
+
+ if (sourceGC->fgPixel != source)
+ {
+ gcval.val = source;
+ ChangeGC (NullClient, sourceGC, GCForeground, &gcval);
+ }
+ if (sourceGC->serialNumber != pDrawable->serialNumber)
+ ValidateGC (pDrawable, sourceGC);
+
+ if(sourceGC->miTranslate)
+ {
+ x = pDrawable->x + x_org;
+ y = pDrawable->y + y_org;
+ }
+ else
+ {
+ x = x_org;
+ y = y_org;
+ }
+
+ (*sourceGC->ops->PushPixels) (sourceGC, pPriv->sourceBits, pDrawable, w, h, x, y);
+ if (maskGC->fgPixel != mask)
+ {
+ gcval.val = mask;
+ ChangeGC (NullClient, maskGC, GCForeground, &gcval);
+ }
+ if (maskGC->serialNumber != pDrawable->serialNumber)
+ ValidateGC (pDrawable, maskGC);
+
+ if(maskGC->miTranslate)
+ {
+ x = pDrawable->x + x_org;
+ y = pDrawable->y + y_org;
+ }
+ else
+ {
+ x = x_org;
+ y = y_org;
+ }
+
+ (*maskGC->ops->PushPixels) (maskGC, pPriv->maskBits, pDrawable, w, h, x, y);
+}
+
+static GCPtr
+miDCMakeGC(WindowPtr pWin)
+{
+ GCPtr pGC;
+ int status;
+ XID gcvals[2];
+
+ gcvals[0] = IncludeInferiors;
+ gcvals[1] = FALSE;
+ pGC = CreateGC((DrawablePtr)pWin,
+ GCSubwindowMode|GCGraphicsExposures, gcvals, &status,
+ (XID)0, serverClient);
+ return pGC;
+}
+
+
+static Bool
+miDCPutUpCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
+ int x, int y, unsigned long source, unsigned long mask)
+{
+ miDCScreenPtr pScreenPriv;
+ miDCCursorPtr pPriv;
+ miDCBufferPtr pBuffer;
+ WindowPtr pWin;
+
+ 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, pScreen);
+
+#ifdef ARGB_CURSOR
+ if (pPriv->pPicture)
+ {
+ CompositePicture (PictOpOver,
+ pPriv->pPicture,
+ NULL,
+ pBuffer->pRootPicture,
+ 0, 0, 0, 0,
+ x, y,
+ pCursor->bits->width,
+ pCursor->bits->height);
+ }
+ else
+#endif
+ {
+ 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, pScreen);
+
+ 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;
+ }
+
+ 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, pScreen);
+ pSave = pBuffer->pSave;
+
+ pWin = WindowTable[pScreen->myNum];
+ if (!pSave)
+ 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, pScreen);
+
+ pSave = pBuffer->pSave;
+ pWin = WindowTable[pScreen->myNum];
+ /*
+ * restore the bits which are about to get trashed
+ */
+ if (!pSave)
+ 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);
+ }
+
+ 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, pScreen);
+
+ 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)
+ {
+ if (!pBuffer->pTempPicture)
+ miDCMakePicture(&pBuffer->pTempPicture, &pTemp->drawable, pWin);
+
+ CompositePicture (PictOpOver,
+ pPriv->pPicture,
+ NULL,
+ pBuffer->pTempPicture,
+ 0, 0, 0, 0,
+ dx, dy,
+ pCursor->bits->width,
+ pCursor->bits->height);
+ }
+ else
+#endif
+ {
+ miDCPutBits ((DrawablePtr)pTemp, pPriv,
+ pBuffer->pPixSourceGC, pBuffer->pPixMaskGC,
+ dx, dy, pCursor->bits->width, pCursor->bits->height,
+ source, mask);
+ }
+
+ 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;
+ WindowPtr pWin;
+ XID gcval = FALSE;
+ int status;
+ int i;
+
+ if (!DevHasCursor(pDev))
+ return TRUE;
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ pScreen = screenInfo.screens[i];
+
+ pBuffer = malloc(sizeof(miDCBufferRec));
+ if (!pBuffer)
+ goto failure;
+
+ dixSetPrivate(&pDev->devPrivates, miDCSpriteKey + pScreen->myNum, pBuffer);
+ pWin = WindowTable[pScreen->myNum];
+
+ pBuffer->pSourceGC = miDCMakeGC(pWin);
+ if (!pBuffer->pSourceGC)
+ goto failure;
+
+ pBuffer->pMaskGC = miDCMakeGC(pWin);
+ if (!pBuffer->pMaskGC)
+ goto failure;
+
+ pBuffer->pSaveGC = miDCMakeGC(pWin);
+ if (!pBuffer->pSaveGC)
+ goto failure;
+
+ pBuffer->pRestoreGC = miDCMakeGC(pWin);
+ if (!pBuffer->pRestoreGC)
+ goto failure;
+
+ pBuffer->pMoveGC = CreateGC ((DrawablePtr)pWin,
+ GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
+ if (!pBuffer->pMoveGC)
+ goto failure;
+
+ pBuffer->pPixSourceGC = CreateGC ((DrawablePtr)pWin,
+ GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
+ if (!pBuffer->pPixSourceGC)
+ goto failure;
+
+ pBuffer->pPixMaskGC = CreateGC ((DrawablePtr)pWin,
+ GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
+ if (!pBuffer->pPixMaskGC)
+ goto failure;
+
+#ifdef ARGB_CURSOR
+ miDCMakePicture(&pBuffer->pRootPicture, &pWin->drawable, pWin);
+ if (!pBuffer->pRootPicture)
+ goto failure;
+
+ pBuffer->pTempPicture = NULL;
+#endif
+
+ // these get (re)allocated lazily depending on the cursor size
+ pBuffer->pSave = pBuffer->pTemp = NULL;
+ }
+
+ return TRUE;
+
+failure:
+
+ miDCDeviceCleanup(pDev, pScreen);
+
+ return FALSE;
+}
+
+static void
+miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ miDCBufferPtr pBuffer;
+ int i;
+
+ if (DevHasCursor(pDev))
+ {
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ pScreen = screenInfo.screens[i];
+
+ pBuffer = MIDCBUFFER(pDev, pScreen);
+
+ if (pBuffer)
+ {
+ if (pBuffer->pSourceGC) FreeGC(pBuffer->pSourceGC, (GContext) 0);
+ if (pBuffer->pMaskGC) FreeGC(pBuffer->pMaskGC, (GContext) 0);
+ if (pBuffer->pSaveGC) FreeGC(pBuffer->pSaveGC, (GContext) 0);
+ if (pBuffer->pRestoreGC) FreeGC(pBuffer->pRestoreGC, (GContext) 0);
+ if (pBuffer->pMoveGC) FreeGC(pBuffer->pMoveGC, (GContext) 0);
+ if (pBuffer->pPixSourceGC) FreeGC(pBuffer->pPixSourceGC, (GContext) 0);
+ if (pBuffer->pPixMaskGC) FreeGC(pBuffer->pPixMaskGC, (GContext) 0);
+
+ if (pBuffer->pSave) (*pScreen->DestroyPixmap)(pBuffer->pSave);
+ if (pBuffer->pTemp) (*pScreen->DestroyPixmap)(pBuffer->pTemp);
+
+ free(pBuffer);
+ dixSetPrivate(&pDev->devPrivates, miDCSpriteKey + pScreen->myNum, NULL);
+ }
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 06:52:10 +0000