1020 lines
29 KiB
C
1020 lines
29 KiB
C
/*
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* misprite.c
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*
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* machine independent software sprite 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 <X11/Xproto.h>
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#include "misc.h"
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#include "pixmapstr.h"
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#include "input.h"
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#include "mi.h"
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#include "cursorstr.h"
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#include <X11/fonts/font.h>
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#include "scrnintstr.h"
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#include "colormapst.h"
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#include "windowstr.h"
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#include "gcstruct.h"
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#include "mipointer.h"
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#include "misprite.h"
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#include "dixfontstr.h"
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#include <X11/fonts/fontstruct.h>
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#include "inputstr.h"
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#include "damage.h"
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typedef struct {
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CursorPtr pCursor;
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int x; /* cursor hotspot */
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int y;
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BoxRec saved; /* saved area from the screen */
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Bool isUp; /* cursor in frame buffer */
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Bool shouldBeUp; /* cursor should be displayed */
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WindowPtr pCacheWin; /* window the cursor last seen in */
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Bool isInCacheWin;
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Bool checkPixels; /* check colormap collision */
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ScreenPtr pScreen;
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} miCursorInfoRec, *miCursorInfoPtr;
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/*
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* per screen information
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*/
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typedef struct {
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/* screen procedures */
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CloseScreenProcPtr CloseScreen;
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GetImageProcPtr GetImage;
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GetSpansProcPtr GetSpans;
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SourceValidateProcPtr SourceValidate;
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/* window procedures */
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CopyWindowProcPtr CopyWindow;
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/* colormap procedures */
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InstallColormapProcPtr InstallColormap;
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StoreColorsProcPtr StoreColors;
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/* os layer procedures */
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ScreenBlockHandlerProcPtr BlockHandler;
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/* device cursor procedures */
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DeviceCursorInitializeProcPtr DeviceCursorInitialize;
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DeviceCursorCleanupProcPtr DeviceCursorCleanup;
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xColorItem colors[2];
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ColormapPtr pInstalledMap;
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ColormapPtr pColormap;
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VisualPtr pVisual;
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DamagePtr pDamage; /* damage tracking structure */
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Bool damageRegistered;
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} miSpriteScreenRec, *miSpriteScreenPtr;
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#define SOURCE_COLOR 0
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#define MASK_COLOR 1
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/*
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* Overlap BoxPtr and Box elements
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*/
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#define BOX_OVERLAP(pCbox,X1,Y1,X2,Y2) \
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(((pCbox)->x1 <= (X2)) && ((X1) <= (pCbox)->x2) && \
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((pCbox)->y1 <= (Y2)) && ((Y1) <= (pCbox)->y2))
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/*
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* Overlap BoxPtr, origins, and rectangle
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*/
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#define ORG_OVERLAP(pCbox,xorg,yorg,x,y,w,h) \
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BOX_OVERLAP((pCbox),(x)+(xorg),(y)+(yorg),(x)+(xorg)+(w),(y)+(yorg)+(h))
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/*
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* Overlap BoxPtr, origins and RectPtr
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*/
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#define ORGRECT_OVERLAP(pCbox,xorg,yorg,pRect) \
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ORG_OVERLAP((pCbox),(xorg),(yorg),(pRect)->x,(pRect)->y, \
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(int)((pRect)->width), (int)((pRect)->height))
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/*
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* Overlap BoxPtr and horizontal span
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*/
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#define SPN_OVERLAP(pCbox,y,x,w) BOX_OVERLAP((pCbox),(x),(y),(x)+(w),(y))
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#define LINE_SORT(x1,y1,x2,y2) \
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{ int _t; \
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if (x1 > x2) { _t = x1; x1 = x2; x2 = _t; } \
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if (y1 > y2) { _t = y1; y1 = y2; y2 = _t; } }
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#define LINE_OVERLAP(pCbox,x1,y1,x2,y2,lw2) \
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BOX_OVERLAP((pCbox), (x1)-(lw2), (y1)-(lw2), (x2)+(lw2), (y2)+(lw2))
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#define SPRITE_DEBUG_ENABLE 0
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#if SPRITE_DEBUG_ENABLE
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#define SPRITE_DEBUG(x) ErrorF x
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#else
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#define SPRITE_DEBUG(x)
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#endif
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#define MISPRITE(dev) \
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((!IsMaster(dev) && !dev->u.master) ? \
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(miCursorInfoPtr)dixLookupPrivate(&dev->devPrivates, miSpriteDevPrivatesKey) : \
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(miCursorInfoPtr)dixLookupPrivate(&(GetMaster(dev, MASTER_POINTER))->devPrivates, miSpriteDevPrivatesKey))
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static void
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miSpriteDisableDamage(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
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{
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if (pScreenPriv->damageRegistered) {
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DamageUnregister (&(pScreen->GetScreenPixmap(pScreen)->drawable),
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pScreenPriv->pDamage);
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pScreenPriv->damageRegistered = 0;
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}
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}
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static void
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miSpriteEnableDamage(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
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{
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if (!pScreenPriv->damageRegistered) {
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pScreenPriv->damageRegistered = 1;
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DamageRegister (&(pScreen->GetScreenPixmap(pScreen)->drawable),
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pScreenPriv->pDamage);
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}
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}
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static void
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miSpriteIsUp(miCursorInfoPtr pDevCursor)
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{
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pDevCursor->isUp = TRUE;
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}
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static void
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miSpriteIsDown(miCursorInfoPtr pDevCursor)
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{
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pDevCursor->isUp = FALSE;
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}
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/*
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* screen wrappers
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*/
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static DevPrivateKeyRec miSpriteScreenKeyRec;
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#define miSpriteScreenKey (&miSpriteScreenKeyRec)
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static DevPrivateKeyRec miSpriteDevPrivatesKeyRec;
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#define miSpriteDevPrivatesKey (&miSpriteDevPrivatesKeyRec)
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static Bool miSpriteCloseScreen(int i, ScreenPtr pScreen);
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static void miSpriteGetImage(DrawablePtr pDrawable, int sx, int sy,
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int w, int h, unsigned int format,
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unsigned long planemask, char *pdstLine);
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static void miSpriteGetSpans(DrawablePtr pDrawable, int wMax,
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DDXPointPtr ppt, int *pwidth, int nspans,
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char *pdstStart);
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static void miSpriteSourceValidate(DrawablePtr pDrawable, int x, int y,
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int width, int height);
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static void miSpriteCopyWindow (WindowPtr pWindow,
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DDXPointRec ptOldOrg,
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RegionPtr prgnSrc);
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static void miSpriteBlockHandler(int i, pointer blockData,
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pointer pTimeout,
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pointer pReadMask);
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static void miSpriteInstallColormap(ColormapPtr pMap);
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static void miSpriteStoreColors(ColormapPtr pMap, int ndef,
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xColorItem *pdef);
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static void miSpriteComputeSaved(DeviceIntPtr pDev,
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ScreenPtr pScreen);
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static Bool miSpriteDeviceCursorInitialize(DeviceIntPtr pDev,
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ScreenPtr pScreen);
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static void miSpriteDeviceCursorCleanup(DeviceIntPtr pDev,
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ScreenPtr pScreen);
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#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = \
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((miSpriteScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
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miSpriteScreenKey))->field)
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#define SCREEN_EPILOGUE(pScreen, field)\
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((pScreen)->field = miSprite##field)
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/*
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* pointer-sprite method table
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*/
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static Bool miSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor);
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static Bool miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor);
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static void miSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor, int x, int y);
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static void miSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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int x, int y);
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miPointerSpriteFuncRec miSpritePointerFuncs = {
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miSpriteRealizeCursor,
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miSpriteUnrealizeCursor,
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miSpriteSetCursor,
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miSpriteMoveCursor,
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miSpriteDeviceCursorInitialize,
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miSpriteDeviceCursorCleanup,
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};
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/*
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* other misc functions
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*/
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static void miSpriteRemoveCursor(DeviceIntPtr pDev,
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ScreenPtr pScreen);
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static void miSpriteSaveUnderCursor(DeviceIntPtr pDev,
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ScreenPtr pScreen);
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static void miSpriteRestoreCursor(DeviceIntPtr pDev,
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ScreenPtr pScreen);
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static void
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miSpriteReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure)
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{
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ScreenPtr pScreen = closure;
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miCursorInfoPtr pCursorInfo;
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DeviceIntPtr pDev;
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for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
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{
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if (DevHasCursor(pDev))
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{
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pCursorInfo = MISPRITE(pDev);
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if (pCursorInfo->isUp &&
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pCursorInfo->pScreen == pScreen &&
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RegionContainsRect(pRegion, &pCursorInfo->saved) != rgnOUT)
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{
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SPRITE_DEBUG(("Damage remove\n"));
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miSpriteRemoveCursor (pDev, pScreen);
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}
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}
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}
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}
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/*
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* miSpriteInitialize -- called from device-dependent screen
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* initialization proc after all of the function pointers have
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* been stored in the screen structure.
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*/
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Bool
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miSpriteInitialize (ScreenPtr pScreen,
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miPointerScreenFuncPtr screenFuncs)
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{
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miSpriteScreenPtr pScreenPriv;
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VisualPtr pVisual;
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if (!DamageSetup (pScreen))
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return FALSE;
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if (!dixRegisterPrivateKey(&miSpriteScreenKeyRec, PRIVATE_SCREEN, 0))
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return FALSE;
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if (!dixRegisterPrivateKey(&miSpriteDevPrivatesKeyRec, PRIVATE_DEVICE, 0))
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return FALSE;
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pScreenPriv = malloc(sizeof (miSpriteScreenRec));
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if (!pScreenPriv)
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return FALSE;
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pScreenPriv->pDamage = DamageCreate (miSpriteReportDamage,
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NULL,
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DamageReportRawRegion,
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TRUE,
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pScreen,
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pScreen);
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if (!miPointerInitialize (pScreen, &miSpritePointerFuncs, screenFuncs,TRUE))
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{
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free(pScreenPriv);
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return FALSE;
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}
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for (pVisual = pScreen->visuals;
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pVisual->vid != pScreen->rootVisual;
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pVisual++)
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;
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pScreenPriv->pVisual = pVisual;
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pScreenPriv->CloseScreen = pScreen->CloseScreen;
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pScreenPriv->GetImage = pScreen->GetImage;
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pScreenPriv->GetSpans = pScreen->GetSpans;
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pScreenPriv->SourceValidate = pScreen->SourceValidate;
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pScreenPriv->CopyWindow = pScreen->CopyWindow;
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pScreenPriv->InstallColormap = pScreen->InstallColormap;
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pScreenPriv->StoreColors = pScreen->StoreColors;
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pScreenPriv->BlockHandler = pScreen->BlockHandler;
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pScreenPriv->DeviceCursorInitialize = pScreen->DeviceCursorInitialize;
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pScreenPriv->DeviceCursorCleanup = pScreen->DeviceCursorCleanup;
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pScreenPriv->pInstalledMap = NULL;
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pScreenPriv->pColormap = NULL;
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pScreenPriv->colors[SOURCE_COLOR].red = 0;
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pScreenPriv->colors[SOURCE_COLOR].green = 0;
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pScreenPriv->colors[SOURCE_COLOR].blue = 0;
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pScreenPriv->colors[MASK_COLOR].red = 0;
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pScreenPriv->colors[MASK_COLOR].green = 0;
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pScreenPriv->colors[MASK_COLOR].blue = 0;
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pScreenPriv->damageRegistered = 0;
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dixSetPrivate(&pScreen->devPrivates, miSpriteScreenKey, pScreenPriv);
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pScreen->CloseScreen = miSpriteCloseScreen;
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pScreen->GetImage = miSpriteGetImage;
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pScreen->GetSpans = miSpriteGetSpans;
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pScreen->SourceValidate = miSpriteSourceValidate;
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pScreen->CopyWindow = miSpriteCopyWindow;
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pScreen->InstallColormap = miSpriteInstallColormap;
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pScreen->StoreColors = miSpriteStoreColors;
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pScreen->BlockHandler = miSpriteBlockHandler;
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return TRUE;
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}
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/*
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* Screen wrappers
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*/
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/*
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* CloseScreen wrapper -- unwrap everything, free the private data
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* and call the wrapped function
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*/
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static Bool
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miSpriteCloseScreen (int i, ScreenPtr pScreen)
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{
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miSpriteScreenPtr pScreenPriv;
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pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
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pScreen->CloseScreen = pScreenPriv->CloseScreen;
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pScreen->GetImage = pScreenPriv->GetImage;
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pScreen->GetSpans = pScreenPriv->GetSpans;
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pScreen->SourceValidate = pScreenPriv->SourceValidate;
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pScreen->BlockHandler = pScreenPriv->BlockHandler;
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pScreen->InstallColormap = pScreenPriv->InstallColormap;
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pScreen->StoreColors = pScreenPriv->StoreColors;
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DamageDestroy (pScreenPriv->pDamage);
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free(pScreenPriv);
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return (*pScreen->CloseScreen) (i, pScreen);
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}
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static void
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miSpriteGetImage (DrawablePtr pDrawable, int sx, int sy, int w, int h,
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unsigned int format, unsigned long planemask,
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char *pdstLine)
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{
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ScreenPtr pScreen = pDrawable->pScreen;
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DeviceIntPtr pDev;
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miCursorInfoPtr pCursorInfo;
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SCREEN_PROLOGUE (pScreen, GetImage);
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if (pDrawable->type == DRAWABLE_WINDOW)
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{
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for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
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{
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if (DevHasCursor(pDev))
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{
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pCursorInfo = MISPRITE(pDev);
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if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
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ORG_OVERLAP(&pCursorInfo->saved,pDrawable->x,pDrawable->y,
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sx, sy, w, h))
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{
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SPRITE_DEBUG (("GetImage remove\n"));
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miSpriteRemoveCursor (pDev, pScreen);
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}
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}
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}
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}
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(*pScreen->GetImage) (pDrawable, sx, sy, w, h,
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format, planemask, pdstLine);
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SCREEN_EPILOGUE (pScreen, GetImage);
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}
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static void
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miSpriteGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
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int *pwidth, int nspans, char *pdstStart)
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{
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ScreenPtr pScreen = pDrawable->pScreen;
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DeviceIntPtr pDev;
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miCursorInfoPtr pCursorInfo;
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SCREEN_PROLOGUE (pScreen, GetSpans);
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if (pDrawable->type == DRAWABLE_WINDOW)
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{
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for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
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{
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if (DevHasCursor(pDev))
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{
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pCursorInfo = MISPRITE(pDev);
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if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
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{
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DDXPointPtr pts;
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int *widths;
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int nPts;
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int xorg,
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yorg;
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xorg = pDrawable->x;
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yorg = pDrawable->y;
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for (pts = ppt, widths = pwidth, nPts = nspans;
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nPts--;
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pts++, widths++)
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{
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if (SPN_OVERLAP(&pCursorInfo->saved,pts->y+yorg,
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pts->x+xorg,*widths))
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{
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SPRITE_DEBUG (("GetSpans remove\n"));
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miSpriteRemoveCursor (pDev, pScreen);
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break;
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}
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}
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}
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}
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}
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}
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(*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
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SCREEN_EPILOGUE (pScreen, GetSpans);
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}
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static void
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miSpriteSourceValidate (DrawablePtr pDrawable, int x, int y, int width,
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int height)
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{
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ScreenPtr pScreen = pDrawable->pScreen;
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DeviceIntPtr pDev;
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miCursorInfoPtr pCursorInfo;
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SCREEN_PROLOGUE (pScreen, SourceValidate);
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if (pDrawable->type == DRAWABLE_WINDOW)
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{
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for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
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{
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if (DevHasCursor(pDev))
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{
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pCursorInfo = MISPRITE(pDev);
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if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
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ORG_OVERLAP(&pCursorInfo->saved, pDrawable->x, pDrawable->y,
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x, y, width, height))
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{
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SPRITE_DEBUG (("SourceValidate remove\n"));
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miSpriteRemoveCursor (pDev, pScreen);
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}
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}
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}
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}
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if (pScreen->SourceValidate)
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(*pScreen->SourceValidate) (pDrawable, x, y, width, height);
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SCREEN_EPILOGUE (pScreen, SourceValidate);
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}
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static void
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miSpriteCopyWindow (WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
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{
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ScreenPtr pScreen = pWindow->drawable.pScreen;
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DeviceIntPtr pDev;
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miCursorInfoPtr pCursorInfo;
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SCREEN_PROLOGUE (pScreen, CopyWindow);
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|
|
for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
{
|
|
pCursorInfo = MISPRITE(pDev);
|
|
/*
|
|
* Damage will take care of destination check
|
|
*/
|
|
if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
|
|
RegionContainsRect(prgnSrc, &pCursorInfo->saved) != rgnOUT)
|
|
{
|
|
SPRITE_DEBUG (("CopyWindow remove\n"));
|
|
miSpriteRemoveCursor (pDev, pScreen);
|
|
}
|
|
}
|
|
}
|
|
|
|
(*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc);
|
|
SCREEN_EPILOGUE (pScreen, CopyWindow);
|
|
}
|
|
|
|
static void
|
|
miSpriteBlockHandler (int i, pointer blockData, pointer pTimeout,
|
|
pointer pReadmask)
|
|
{
|
|
ScreenPtr pScreen = screenInfo.screens[i];
|
|
miSpriteScreenPtr pPriv;
|
|
DeviceIntPtr pDev;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
pPriv = dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
|
|
SCREEN_PROLOGUE(pScreen, BlockHandler);
|
|
|
|
(*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
|
|
|
|
SCREEN_EPILOGUE(pScreen, BlockHandler);
|
|
|
|
for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
{
|
|
pCursorInfo = MISPRITE(pDev);
|
|
if (pCursorInfo && !pCursorInfo->isUp
|
|
&& pCursorInfo->pScreen == pScreen
|
|
&& pCursorInfo->shouldBeUp)
|
|
{
|
|
SPRITE_DEBUG (("BlockHandler save"));
|
|
miSpriteSaveUnderCursor (pDev, pScreen);
|
|
}
|
|
}
|
|
}
|
|
for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
{
|
|
pCursorInfo = MISPRITE(pDev);
|
|
if (pCursorInfo && !pCursorInfo->isUp &&
|
|
pCursorInfo->pScreen == pScreen &&
|
|
pCursorInfo->shouldBeUp)
|
|
{
|
|
SPRITE_DEBUG (("BlockHandler restore\n"));
|
|
miSpriteRestoreCursor (pDev, pScreen);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
miSpriteInstallColormap (ColormapPtr pMap)
|
|
{
|
|
ScreenPtr pScreen = pMap->pScreen;
|
|
miSpriteScreenPtr pPriv;
|
|
|
|
pPriv = dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
|
|
SCREEN_PROLOGUE(pScreen, InstallColormap);
|
|
|
|
(*pScreen->InstallColormap) (pMap);
|
|
|
|
SCREEN_EPILOGUE(pScreen, InstallColormap);
|
|
|
|
/* InstallColormap can be called before devices are initialized. */
|
|
pPriv->pInstalledMap = pMap;
|
|
if (pPriv->pColormap != pMap)
|
|
{
|
|
DeviceIntPtr pDev;
|
|
miCursorInfoPtr pCursorInfo;
|
|
for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
{
|
|
pCursorInfo = MISPRITE(pDev);
|
|
pCursorInfo->checkPixels = TRUE;
|
|
if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
|
|
miSpriteRemoveCursor(pDev, pScreen);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
static void
|
|
miSpriteStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
|
|
{
|
|
ScreenPtr pScreen = pMap->pScreen;
|
|
miSpriteScreenPtr pPriv;
|
|
int i;
|
|
int updated;
|
|
VisualPtr pVisual;
|
|
DeviceIntPtr pDev;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
pPriv = dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
|
|
SCREEN_PROLOGUE(pScreen, StoreColors);
|
|
|
|
(*pScreen->StoreColors) (pMap, ndef, pdef);
|
|
|
|
SCREEN_EPILOGUE(pScreen, StoreColors);
|
|
|
|
if (pPriv->pColormap == pMap)
|
|
{
|
|
updated = 0;
|
|
pVisual = pMap->pVisual;
|
|
if (pVisual->class == DirectColor)
|
|
{
|
|
/* Direct color - match on any of the subfields */
|
|
|
|
#define MaskMatch(a,b,mask) (((a) & (pVisual->mask)) == ((b) & (pVisual->mask)))
|
|
|
|
#define UpdateDAC(dev, plane,dac,mask) {\
|
|
if (MaskMatch (dev->colors[plane].pixel,pdef[i].pixel,mask)) {\
|
|
dev->colors[plane].dac = pdef[i].dac; \
|
|
updated = 1; \
|
|
} \
|
|
}
|
|
|
|
#define CheckDirect(dev, plane) \
|
|
UpdateDAC(dev, plane,red,redMask) \
|
|
UpdateDAC(dev, plane,green,greenMask) \
|
|
UpdateDAC(dev, plane,blue,blueMask)
|
|
|
|
for (i = 0; i < ndef; i++)
|
|
{
|
|
CheckDirect (pPriv, SOURCE_COLOR)
|
|
CheckDirect (pPriv, MASK_COLOR)
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* PseudoColor/GrayScale - match on exact pixel */
|
|
for (i = 0; i < ndef; i++)
|
|
{
|
|
if (pdef[i].pixel ==
|
|
pPriv->colors[SOURCE_COLOR].pixel)
|
|
{
|
|
pPriv->colors[SOURCE_COLOR] = pdef[i];
|
|
if (++updated == 2)
|
|
break;
|
|
}
|
|
if (pdef[i].pixel ==
|
|
pPriv->colors[MASK_COLOR].pixel)
|
|
{
|
|
pPriv->colors[MASK_COLOR] = pdef[i];
|
|
if (++updated == 2)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (updated)
|
|
{
|
|
for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
{
|
|
pCursorInfo = MISPRITE(pDev);
|
|
pCursorInfo->checkPixels = TRUE;
|
|
if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
|
|
miSpriteRemoveCursor (pDev, pScreen);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
miSpriteFindColors (miCursorInfoPtr pDevCursor, ScreenPtr pScreen)
|
|
{
|
|
miSpriteScreenPtr pScreenPriv =
|
|
dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
|
|
CursorPtr pCursor;
|
|
xColorItem *sourceColor, *maskColor;
|
|
|
|
pCursor = pDevCursor->pCursor;
|
|
sourceColor = &pScreenPriv->colors[SOURCE_COLOR];
|
|
maskColor = &pScreenPriv->colors[MASK_COLOR];
|
|
if (pScreenPriv->pColormap != pScreenPriv->pInstalledMap ||
|
|
!(pCursor->foreRed == sourceColor->red &&
|
|
pCursor->foreGreen == sourceColor->green &&
|
|
pCursor->foreBlue == sourceColor->blue &&
|
|
pCursor->backRed == maskColor->red &&
|
|
pCursor->backGreen == maskColor->green &&
|
|
pCursor->backBlue == maskColor->blue))
|
|
{
|
|
pScreenPriv->pColormap = pScreenPriv->pInstalledMap;
|
|
sourceColor->red = pCursor->foreRed;
|
|
sourceColor->green = pCursor->foreGreen;
|
|
sourceColor->blue = pCursor->foreBlue;
|
|
FakeAllocColor (pScreenPriv->pColormap, sourceColor);
|
|
maskColor->red = pCursor->backRed;
|
|
maskColor->green = pCursor->backGreen;
|
|
maskColor->blue = pCursor->backBlue;
|
|
FakeAllocColor (pScreenPriv->pColormap, maskColor);
|
|
/* "free" the pixels right away, don't let this confuse you */
|
|
FakeFreeColor(pScreenPriv->pColormap, sourceColor->pixel);
|
|
FakeFreeColor(pScreenPriv->pColormap, maskColor->pixel);
|
|
}
|
|
|
|
pDevCursor->checkPixels = FALSE;
|
|
|
|
}
|
|
|
|
/*
|
|
* miPointer interface routines
|
|
*/
|
|
|
|
#define SPRITE_PAD 8
|
|
|
|
static Bool
|
|
miSpriteRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
|
|
{
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
if (!IsMaster(pDev) && !pDev->u.master)
|
|
return FALSE;
|
|
|
|
pCursorInfo = MISPRITE(pDev);
|
|
|
|
if (pCursor == pCursorInfo->pCursor)
|
|
pCursorInfo->checkPixels = TRUE;
|
|
|
|
return miDCRealizeCursor(pScreen, pCursor);
|
|
}
|
|
|
|
static Bool
|
|
miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
|
|
{
|
|
return miDCUnrealizeCursor(pScreen, pCursor);
|
|
}
|
|
|
|
static void
|
|
miSpriteSetCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
|
|
CursorPtr pCursor, int x, int y)
|
|
{
|
|
miCursorInfoPtr pPointer;
|
|
|
|
if (!IsMaster(pDev) && !pDev->u.master)
|
|
return;
|
|
|
|
pPointer = MISPRITE(pDev);
|
|
|
|
if (!pCursor)
|
|
{
|
|
pPointer->shouldBeUp = FALSE;
|
|
if (pPointer->isUp)
|
|
miSpriteRemoveCursor (pDev, pScreen);
|
|
pPointer->pCursor = 0;
|
|
return;
|
|
}
|
|
pPointer->shouldBeUp = TRUE;
|
|
if (pPointer->x == x &&
|
|
pPointer->y == y &&
|
|
pPointer->pCursor == pCursor &&
|
|
!pPointer->checkPixels)
|
|
{
|
|
return;
|
|
}
|
|
pPointer->x = x;
|
|
pPointer->y = y;
|
|
pPointer->pCacheWin = NullWindow;
|
|
if (pPointer->checkPixels || pPointer->pCursor != pCursor)
|
|
{
|
|
pPointer->pCursor = pCursor;
|
|
miSpriteFindColors (pPointer, pScreen);
|
|
}
|
|
if (pPointer->isUp) {
|
|
/* TODO: reimplement flicker-free MoveCursor */
|
|
SPRITE_DEBUG (("SetCursor remove %d\n", pDev->id));
|
|
miSpriteRemoveCursor (pDev, pScreen);
|
|
}
|
|
|
|
if (!pPointer->isUp && pPointer->pCursor)
|
|
{
|
|
SPRITE_DEBUG (("SetCursor restore %d\n", pDev->id));
|
|
miSpriteSaveUnderCursor(pDev, pScreen);
|
|
miSpriteRestoreCursor (pDev, pScreen);
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
miSpriteMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
|
|
{
|
|
CursorPtr pCursor;
|
|
|
|
if (!IsMaster(pDev) && !pDev->u.master)
|
|
return;
|
|
|
|
pCursor = MISPRITE(pDev)->pCursor;
|
|
|
|
miSpriteSetCursor (pDev, pScreen, pCursor, x, y);
|
|
}
|
|
|
|
|
|
static Bool
|
|
miSpriteDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
miCursorInfoPtr pCursorInfo;
|
|
int ret = FALSE;
|
|
|
|
pCursorInfo = malloc(sizeof(miCursorInfoRec));
|
|
if (!pCursorInfo)
|
|
return FALSE;
|
|
|
|
pCursorInfo->pCursor = NULL;
|
|
pCursorInfo->x = 0;
|
|
pCursorInfo->y = 0;
|
|
pCursorInfo->isUp = FALSE;
|
|
pCursorInfo->shouldBeUp = FALSE;
|
|
pCursorInfo->pCacheWin = NullWindow;
|
|
pCursorInfo->isInCacheWin = FALSE;
|
|
pCursorInfo->checkPixels = TRUE;
|
|
pCursorInfo->pScreen = FALSE;
|
|
|
|
ret = miDCDeviceInitialize(pDev, pScreen);
|
|
if (!ret)
|
|
{
|
|
free(pCursorInfo);
|
|
pCursorInfo = NULL;
|
|
}
|
|
dixSetPrivate(&pDev->devPrivates, miSpriteDevPrivatesKey, pCursorInfo);
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
miSpriteDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
miDCDeviceCleanup(pDev, pScreen);
|
|
}
|
|
|
|
/*
|
|
* undraw/draw cursor
|
|
*/
|
|
|
|
static void
|
|
miSpriteRemoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
miSpriteScreenPtr pScreenPriv;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
|
|
if (!IsMaster(pDev) && !pDev->u.master)
|
|
return;
|
|
|
|
DamageDrawInternal (pScreen, TRUE);
|
|
pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
|
|
pCursorInfo = MISPRITE(pDev);
|
|
|
|
miSpriteIsDown(pCursorInfo);
|
|
pCursorInfo->pCacheWin = NullWindow;
|
|
miSpriteDisableDamage(pScreen, pScreenPriv);
|
|
if (!miDCRestoreUnderCursor(pDev,
|
|
pScreen,
|
|
pCursorInfo->saved.x1,
|
|
pCursorInfo->saved.y1,
|
|
pCursorInfo->saved.x2 -
|
|
pCursorInfo->saved.x1,
|
|
pCursorInfo->saved.y2 -
|
|
pCursorInfo->saved.y1))
|
|
{
|
|
miSpriteIsUp(pCursorInfo);
|
|
}
|
|
miSpriteEnableDamage(pScreen, pScreenPriv);
|
|
DamageDrawInternal (pScreen, FALSE);
|
|
}
|
|
|
|
/*
|
|
* Called from the block handler, saves area under cursor
|
|
* before waiting for something to do.
|
|
*/
|
|
|
|
static void
|
|
miSpriteSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
miSpriteScreenPtr pScreenPriv;
|
|
int x, y;
|
|
CursorPtr pCursor;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
if (!IsMaster(pDev) && !pDev->u.master)
|
|
return;
|
|
|
|
DamageDrawInternal (pScreen, TRUE);
|
|
pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
|
|
pCursorInfo = MISPRITE(pDev);
|
|
|
|
miSpriteComputeSaved (pDev, pScreen);
|
|
pCursor = pCursorInfo->pCursor;
|
|
|
|
x = pCursorInfo->x - (int)pCursor->bits->xhot;
|
|
y = pCursorInfo->y - (int)pCursor->bits->yhot;
|
|
miSpriteDisableDamage(pScreen, pScreenPriv);
|
|
|
|
miDCSaveUnderCursor(pDev,
|
|
pScreen,
|
|
pCursorInfo->saved.x1,
|
|
pCursorInfo->saved.y1,
|
|
pCursorInfo->saved.x2 -
|
|
pCursorInfo->saved.x1,
|
|
pCursorInfo->saved.y2 -
|
|
pCursorInfo->saved.y1);
|
|
SPRITE_DEBUG(("SaveUnderCursor %d\n", pDev->id));
|
|
miSpriteEnableDamage(pScreen, pScreenPriv);
|
|
DamageDrawInternal (pScreen, FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
* Called from the block handler, restores the cursor
|
|
* before waiting for something to do.
|
|
*/
|
|
|
|
static void
|
|
miSpriteRestoreCursor (DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
miSpriteScreenPtr pScreenPriv;
|
|
int x, y;
|
|
CursorPtr pCursor;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
if (!IsMaster(pDev) && !pDev->u.master)
|
|
return;
|
|
|
|
DamageDrawInternal (pScreen, TRUE);
|
|
pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
|
|
pCursorInfo = MISPRITE(pDev);
|
|
|
|
miSpriteComputeSaved (pDev, pScreen);
|
|
pCursor = pCursorInfo->pCursor;
|
|
|
|
x = pCursorInfo->x - (int)pCursor->bits->xhot;
|
|
y = pCursorInfo->y - (int)pCursor->bits->yhot;
|
|
miSpriteDisableDamage(pScreen, pScreenPriv);
|
|
SPRITE_DEBUG(("RestoreCursor %d\n", pDev->id));
|
|
if (pCursorInfo->checkPixels)
|
|
miSpriteFindColors (pCursorInfo, pScreen);
|
|
if (miDCPutUpCursor(pDev, pScreen,
|
|
pCursor, x, y,
|
|
pScreenPriv->colors[SOURCE_COLOR].pixel,
|
|
pScreenPriv->colors[MASK_COLOR].pixel))
|
|
{
|
|
miSpriteIsUp(pCursorInfo);
|
|
pCursorInfo->pScreen = pScreen;
|
|
}
|
|
miSpriteEnableDamage(pScreen, pScreenPriv);
|
|
DamageDrawInternal (pScreen, FALSE);
|
|
}
|
|
|
|
/*
|
|
* compute the desired area of the screen to save
|
|
*/
|
|
|
|
static void
|
|
miSpriteComputeSaved (DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
int x, y, w, h;
|
|
int wpad, hpad;
|
|
CursorPtr pCursor;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
if (!IsMaster(pDev) && !pDev->u.master)
|
|
return;
|
|
|
|
pCursorInfo = MISPRITE(pDev);
|
|
|
|
pCursor = pCursorInfo->pCursor;
|
|
x = pCursorInfo->x - (int)pCursor->bits->xhot;
|
|
y = pCursorInfo->y - (int)pCursor->bits->yhot;
|
|
w = pCursor->bits->width;
|
|
h = pCursor->bits->height;
|
|
wpad = SPRITE_PAD;
|
|
hpad = SPRITE_PAD;
|
|
pCursorInfo->saved.x1 = x - wpad;
|
|
pCursorInfo->saved.y1 = y - hpad;
|
|
pCursorInfo->saved.x2 = pCursorInfo->saved.x1 + w + wpad * 2;
|
|
pCursorInfo->saved.y2 = pCursorInfo->saved.y1 + h + hpad * 2;
|
|
}
|
|
|