958 lines
29 KiB
C
958 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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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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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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int numberOfCursors;
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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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static DevPrivateKeyRec miSpriteScreenKeyRec;
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static DevPrivateKeyRec miSpriteDevPrivatesKeyRec;
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static miSpriteScreenPtr
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GetSpriteScreen(ScreenPtr pScreen)
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{
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return dixLookupPrivate(&pScreen->devPrivates, &miSpriteScreenKeyRec);
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}
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static miCursorInfoPtr
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GetSprite(DeviceIntPtr dev)
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{
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if (IsFloating(dev))
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return dixLookupPrivate(&dev->devPrivates, &miSpriteDevPrivatesKeyRec);
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return dixLookupPrivate(&(GetMaster(dev, MASTER_POINTER))->devPrivates,
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&miSpriteDevPrivatesKeyRec);
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}
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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(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 Bool miSpriteCloseScreen(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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unsigned int subWindowMode);
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static void miSpriteCopyWindow(WindowPtr pWindow,
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DDXPointRec ptOldOrg, RegionPtr prgnSrc);
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static void miSpriteBlockHandler(ScreenPtr pScreen, void *timeout);
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static void miSpriteInstallColormap(ColormapPtr pMap);
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static void miSpriteStoreColors(ColormapPtr pMap, int ndef, xColorItem * pdef);
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static void miSpriteComputeSaved(DeviceIntPtr pDev, 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, ScreenPtr pScreen);
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#define SCREEN_PROLOGUE(pPriv, pScreen, field) ((pScreen)->field = \
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(pPriv)->field)
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#define SCREEN_EPILOGUE(pPriv, pScreen, field)\
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((pPriv)->field = (pScreen)->field, (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, ScreenPtr pScreen);
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static void miSpriteSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen);
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static void miSpriteRestoreCursor(DeviceIntPtr pDev, ScreenPtr pScreen);
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static void
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miSpriteRegisterBlockHandler(ScreenPtr pScreen, miSpriteScreenPtr pScreenPriv)
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{
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if (!pScreenPriv->BlockHandler) {
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pScreenPriv->BlockHandler = pScreen->BlockHandler;
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pScreen->BlockHandler = miSpriteBlockHandler;
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}
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}
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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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if (DevHasCursor(pDev)) {
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pCursorInfo = GetSprite(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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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, 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
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(&miSpriteDevPrivatesKeyRec, PRIVATE_DEVICE, sizeof(miCursorInfoRec)))
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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, pScreen, pScreen);
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if (!miPointerInitialize(pScreen, &miSpritePointerFuncs, screenFuncs, TRUE)) {
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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; pVisual++);
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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 = NULL;
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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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pScreenPriv->numberOfCursors = 0;
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dixSetPrivate(&pScreen->devPrivates, &miSpriteScreenKeyRec, 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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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(ScreenPtr pScreen)
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{
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miSpriteScreenPtr pScreenPriv = GetSpriteScreen(pScreen);
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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->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) (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, 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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miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
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SCREEN_PROLOGUE(pPriv, pScreen, GetImage);
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if (pDrawable->type == DRAWABLE_WINDOW) {
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for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
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if (DevHasCursor(pDev)) {
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pCursorInfo = GetSprite(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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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, format, planemask, pdstLine);
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SCREEN_EPILOGUE(pPriv, 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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miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
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SCREEN_PROLOGUE(pPriv, pScreen, GetSpans);
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if (pDrawable->type == DRAWABLE_WINDOW) {
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for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
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if (DevHasCursor(pDev)) {
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pCursorInfo = GetSprite(pDev);
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if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen) {
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DDXPointPtr pts;
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int *widths;
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int nPts;
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int xorg, 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--; pts++, widths++) {
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if (SPN_OVERLAP(&pCursorInfo->saved, pts->y + yorg,
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pts->x + xorg, *widths)) {
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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(pPriv, 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, unsigned int subWindowMode)
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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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miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
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SCREEN_PROLOGUE(pPriv, pScreen, SourceValidate);
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if (pDrawable->type == DRAWABLE_WINDOW) {
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for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
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if (DevHasCursor(pDev)) {
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pCursorInfo = GetSprite(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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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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subWindowMode);
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SCREEN_EPILOGUE(pPriv, 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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miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
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SCREEN_PROLOGUE(pPriv, pScreen, CopyWindow);
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for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
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if (DevHasCursor(pDev)) {
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pCursorInfo = GetSprite(pDev);
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/*
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* Damage will take care of destination check
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*/
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if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
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RegionContainsRect(prgnSrc, &pCursorInfo->saved) != rgnOUT) {
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SPRITE_DEBUG(("CopyWindow remove\n"));
|
|
miSpriteRemoveCursor(pDev, pScreen);
|
|
}
|
|
}
|
|
}
|
|
|
|
(*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc);
|
|
SCREEN_EPILOGUE(pPriv, pScreen, CopyWindow);
|
|
}
|
|
|
|
static void
|
|
miSpriteBlockHandler(ScreenPtr pScreen, void *timeout)
|
|
{
|
|
miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
|
|
DeviceIntPtr pDev;
|
|
miCursorInfoPtr pCursorInfo;
|
|
Bool WorkToDo = FALSE;
|
|
|
|
SCREEN_PROLOGUE(pPriv, pScreen, BlockHandler);
|
|
|
|
for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
|
|
if (DevHasCursor(pDev)) {
|
|
pCursorInfo = GetSprite(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 = GetSprite(pDev);
|
|
if (pCursorInfo && !pCursorInfo->isUp &&
|
|
pCursorInfo->pScreen == pScreen && pCursorInfo->shouldBeUp) {
|
|
SPRITE_DEBUG(("BlockHandler restore\n"));
|
|
miSpriteRestoreCursor(pDev, pScreen);
|
|
if (!pCursorInfo->isUp)
|
|
WorkToDo = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
(*pScreen->BlockHandler) (pScreen, timeout);
|
|
|
|
if (WorkToDo)
|
|
SCREEN_EPILOGUE(pPriv, pScreen, BlockHandler);
|
|
else
|
|
pPriv->BlockHandler = NULL;
|
|
}
|
|
|
|
static void
|
|
miSpriteInstallColormap(ColormapPtr pMap)
|
|
{
|
|
ScreenPtr pScreen = pMap->pScreen;
|
|
miSpriteScreenPtr pPriv = GetSpriteScreen(pScreen);
|
|
|
|
SCREEN_PROLOGUE(pPriv, pScreen, InstallColormap);
|
|
|
|
(*pScreen->InstallColormap) (pMap);
|
|
|
|
SCREEN_EPILOGUE(pPriv, 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 = GetSprite(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 = GetSpriteScreen(pScreen);
|
|
int i;
|
|
int updated;
|
|
VisualPtr pVisual;
|
|
DeviceIntPtr pDev;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
SCREEN_PROLOGUE(pPriv, pScreen, StoreColors);
|
|
|
|
(*pScreen->StoreColors) (pMap, ndef, pdef);
|
|
|
|
SCREEN_EPILOGUE(pPriv, 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 = GetSprite(pDev);
|
|
pCursorInfo->checkPixels = TRUE;
|
|
if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
|
|
miSpriteRemoveCursor(pDev, pScreen);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
miSpriteFindColors(miCursorInfoPtr pDevCursor, ScreenPtr pScreen)
|
|
{
|
|
miSpriteScreenPtr pScreenPriv = GetSpriteScreen(pScreen);
|
|
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 (IsFloating(pDev))
|
|
return FALSE;
|
|
|
|
pCursorInfo = GetSprite(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;
|
|
miSpriteScreenPtr pScreenPriv;
|
|
|
|
if (IsFloating(pDev))
|
|
return;
|
|
|
|
pPointer = GetSprite(pDev);
|
|
pScreenPriv = GetSpriteScreen(pScreen);
|
|
|
|
if (!pCursor) {
|
|
if (pPointer->shouldBeUp)
|
|
--pScreenPriv->numberOfCursors;
|
|
pPointer->shouldBeUp = FALSE;
|
|
if (pPointer->isUp)
|
|
miSpriteRemoveCursor(pDev, pScreen);
|
|
if (pScreenPriv->numberOfCursors == 0)
|
|
miSpriteDisableDamage(pScreen, pScreenPriv);
|
|
pPointer->pCursor = 0;
|
|
return;
|
|
}
|
|
if (!pPointer->shouldBeUp)
|
|
pScreenPriv->numberOfCursors++;
|
|
pPointer->shouldBeUp = TRUE;
|
|
if (!pPointer->isUp)
|
|
miSpriteRegisterBlockHandler(pScreen, pScreenPriv);
|
|
if (pPointer->x == x &&
|
|
pPointer->y == y &&
|
|
pPointer->pCursor == pCursor && !pPointer->checkPixels) {
|
|
return;
|
|
}
|
|
pPointer->x = x;
|
|
pPointer->y = y;
|
|
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 (IsFloating(pDev))
|
|
return;
|
|
|
|
pCursor = GetSprite(pDev)->pCursor;
|
|
|
|
miSpriteSetCursor(pDev, pScreen, pCursor, x, y);
|
|
}
|
|
|
|
static Bool
|
|
miSpriteDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
int ret = miDCDeviceInitialize(pDev, pScreen);
|
|
|
|
if (ret) {
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
pCursorInfo =
|
|
dixLookupPrivate(&pDev->devPrivates, &miSpriteDevPrivatesKeyRec);
|
|
pCursorInfo->pCursor = NULL;
|
|
pCursorInfo->x = 0;
|
|
pCursorInfo->y = 0;
|
|
pCursorInfo->isUp = FALSE;
|
|
pCursorInfo->shouldBeUp = FALSE;
|
|
pCursorInfo->checkPixels = TRUE;
|
|
pCursorInfo->pScreen = FALSE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
miSpriteDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
miCursorInfoPtr pCursorInfo =
|
|
dixLookupPrivate(&pDev->devPrivates, &miSpriteDevPrivatesKeyRec);
|
|
|
|
if (DevHasCursor(pDev))
|
|
miDCDeviceCleanup(pDev, pScreen);
|
|
|
|
memset(pCursorInfo, 0, sizeof(miCursorInfoRec));
|
|
}
|
|
|
|
/*
|
|
* undraw/draw cursor
|
|
*/
|
|
|
|
static void
|
|
miSpriteRemoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
miSpriteScreenPtr pScreenPriv;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
if (IsFloating(pDev))
|
|
return;
|
|
|
|
DamageDrawInternal(pScreen, TRUE);
|
|
pScreenPriv = GetSpriteScreen(pScreen);
|
|
pCursorInfo = GetSprite(pDev);
|
|
|
|
miSpriteIsDown(pCursorInfo);
|
|
miSpriteRegisterBlockHandler(pScreen, pScreenPriv);
|
|
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;
|
|
miCursorInfoPtr pCursorInfo;
|
|
|
|
if (IsFloating(pDev))
|
|
return;
|
|
|
|
DamageDrawInternal(pScreen, TRUE);
|
|
pScreenPriv = GetSpriteScreen(pScreen);
|
|
pCursorInfo = GetSprite(pDev);
|
|
|
|
miSpriteComputeSaved(pDev, pScreen);
|
|
|
|
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 (IsFloating(pDev))
|
|
return;
|
|
|
|
DamageDrawInternal(pScreen, TRUE);
|
|
pScreenPriv = GetSpriteScreen(pScreen);
|
|
pCursorInfo = GetSprite(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 (IsFloating(pDev))
|
|
return;
|
|
|
|
pCursorInfo = GetSprite(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;
|
|
}
|