59b304d8a2
For pointers: don't try to set master->valuator fields if there is no master. For keyboards: check if device is valid before trying to access the fields in miPointerGetScreen (btw. this disables DGA events for floating keyboards). Also stop the hideous number of ErrorFs if we request the paired device for a floating dev.
679 lines
18 KiB
C
679 lines
18 KiB
C
/*
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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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/*
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* MPX additions:
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* Copyright © 2006 Peter Hutterer
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* License see above.
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* Author: Peter Hutterer <peter@cs.unisa.edu.au>
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*
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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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# define NEED_EVENTS
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# include <X11/X.h>
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# include <X11/Xmd.h>
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# include <X11/Xproto.h>
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# include "misc.h"
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# include "windowstr.h"
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# include "pixmapstr.h"
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# include "mi.h"
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# include "scrnintstr.h"
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# include "mipointrst.h"
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# include "cursorstr.h"
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# include "dixstruct.h"
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# include "inputstr.h"
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_X_EXPORT int miPointerScreenIndex;
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static unsigned long miPointerGeneration = 0;
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#define GetScreenPrivate(s) ((miPointerScreenPtr) ((s)->devPrivates[miPointerScreenIndex].ptr))
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#define SetupScreen(s) miPointerScreenPtr pScreenPriv = GetScreenPrivate(s)
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static int miPointerPrivatesIndex = 0;
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#define MIPOINTER(dev) \
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((DevHasCursor((dev))) ? \
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(miPointerPtr) dev->devPrivates[miPointerPrivatesIndex].ptr : \
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(miPointerPtr) dev->u.master->devPrivates[miPointerPrivatesIndex].ptr)
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static Bool miPointerRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor);
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static Bool miPointerUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor);
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static Bool miPointerDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor);
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static void miPointerUndisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen);
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static void miPointerConstrainCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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BoxPtr pBox);
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static void miPointerPointerNonInterestBox(DeviceIntPtr pDev,
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ScreenPtr pScreen, BoxPtr pBox);
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static void miPointerCursorLimits(DeviceIntPtr pDev, ScreenPtr pScreen,
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CursorPtr pCursor, BoxPtr pHotBox,
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BoxPtr pTopLeftBox);
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static Bool miPointerSetCursorPosition(DeviceIntPtr pDev, ScreenPtr pScreen,
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int x, int y,
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Bool generateEvent);
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static Bool miPointerCloseScreen(int index, ScreenPtr pScreen);
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static void miPointerMove(DeviceIntPtr pDev, ScreenPtr pScreen,
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int x, int y,
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unsigned long time);
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static Bool miPointerDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
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static void miPointerDeviceCleanup(DeviceIntPtr pDev,
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ScreenPtr pScreen);
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static EventList* events; /* for WarpPointer MotionNotifies */
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_X_EXPORT Bool
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miPointerInitialize (pScreen, spriteFuncs, screenFuncs, waitForUpdate)
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ScreenPtr pScreen;
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miPointerSpriteFuncPtr spriteFuncs;
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miPointerScreenFuncPtr screenFuncs;
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Bool waitForUpdate;
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{
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miPointerScreenPtr pScreenPriv;
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if (miPointerGeneration != serverGeneration)
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{
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miPointerScreenIndex = AllocateScreenPrivateIndex();
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if (miPointerScreenIndex < 0)
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return FALSE;
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miPointerGeneration = serverGeneration;
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}
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pScreenPriv = (miPointerScreenPtr) xalloc (sizeof (miPointerScreenRec));
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if (!pScreenPriv)
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return FALSE;
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pScreenPriv->spriteFuncs = spriteFuncs;
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pScreenPriv->screenFuncs = screenFuncs;
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/*
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* check for uninitialized methods
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*/
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if (!screenFuncs->EnqueueEvent)
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screenFuncs->EnqueueEvent = mieqEnqueue;
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if (!screenFuncs->NewEventScreen)
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screenFuncs->NewEventScreen = mieqSwitchScreen;
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pScreenPriv->waitForUpdate = waitForUpdate;
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pScreenPriv->showTransparent = FALSE;
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pScreenPriv->CloseScreen = pScreen->CloseScreen;
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pScreen->CloseScreen = miPointerCloseScreen;
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pScreen->devPrivates[miPointerScreenIndex].ptr = (pointer) pScreenPriv;
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/*
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* set up screen cursor method table
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*/
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pScreen->ConstrainCursor = miPointerConstrainCursor;
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pScreen->CursorLimits = miPointerCursorLimits;
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pScreen->DisplayCursor = miPointerDisplayCursor;
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pScreen->UndisplayCursor = miPointerUndisplayCursor;
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pScreen->UndisplayCursor = miPointerUndisplayCursor;
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pScreen->RealizeCursor = miPointerRealizeCursor;
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pScreen->UnrealizeCursor = miPointerUnrealizeCursor;
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pScreen->SetCursorPosition = miPointerSetCursorPosition;
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pScreen->RecolorCursor = miRecolorCursor;
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pScreen->PointerNonInterestBox = miPointerPointerNonInterestBox;
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pScreen->DeviceCursorInitialize = miPointerDeviceInitialize;
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pScreen->DeviceCursorCleanup = miPointerDeviceCleanup;
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miPointerPrivatesIndex = AllocateDevicePrivateIndex();
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events = NULL;
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return TRUE;
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}
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static Bool
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miPointerCloseScreen (index, pScreen)
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int index;
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ScreenPtr pScreen;
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{
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miPointerPtr pPointer;
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DeviceIntPtr pDev;
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SetupScreen(pScreen);
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#if 0
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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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pPointer = MIPOINTER(pDev);
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if (pScreen == pPointer->pScreen)
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pPointer->pScreen = 0;
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if (pScreen == pPointer->pSpriteScreen)
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pPointer->pSpriteScreen = 0;
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}
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}
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if (MIPOINTER(inputInfo.pointer)->pScreen == pScreen)
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MIPOINTER(inputInfo.pointer)->pScreen = 0;
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if (MIPOINTER(inputInfo.pointer)->pSpriteScreen == pScreen)
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MIPOINTER(inputInfo.pointer)->pSpriteScreen = 0;
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#endif
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pScreen->CloseScreen = pScreenPriv->CloseScreen;
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xfree ((pointer) pScreenPriv);
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FreeEventList(events, GetMaximumEventsNum());
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events = NULL;
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return (*pScreen->CloseScreen) (index, pScreen);
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}
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/*
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* DIX/DDX interface routines
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*/
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static Bool
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miPointerRealizeCursor (pDev, pScreen, pCursor)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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CursorPtr pCursor;
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{
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SetupScreen(pScreen);
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return (*pScreenPriv->spriteFuncs->RealizeCursor) (pDev, pScreen, pCursor);
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}
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static Bool
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miPointerUnrealizeCursor (pDev, pScreen, pCursor)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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CursorPtr pCursor;
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{
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SetupScreen(pScreen);
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return (*pScreenPriv->spriteFuncs->UnrealizeCursor) (pDev, pScreen, pCursor);
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}
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static Bool
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miPointerDisplayCursor (pDev, pScreen, pCursor)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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CursorPtr pCursor;
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{
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miPointerPtr pPointer;
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if (!pDev->isMaster && !pDev->u.master)
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return FALSE;
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pPointer = MIPOINTER(pDev);
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pPointer->pCursor = pCursor;
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pPointer->pScreen = pScreen;
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miPointerUpdateSprite(pDev);
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return TRUE;
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}
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static void
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miPointerUndisplayCursor(pDev, pScreen)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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{
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SetupScreen(pScreen);
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if (pDev->isMaster && pDev->spriteInfo->spriteOwner)
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(*pScreenPriv->spriteFuncs->UndisplayCursor)(pDev, pScreen);
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}
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static void
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miPointerConstrainCursor (pDev, pScreen, pBox)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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BoxPtr pBox;
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{
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miPointerPtr pPointer;
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if (!pDev->isMaster && !pDev->u.master)
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return;
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pPointer = MIPOINTER(pDev);
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pPointer->limits = *pBox;
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pPointer->confined = PointerConfinedToScreen(pDev);
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}
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/*ARGSUSED*/
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static void
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miPointerPointerNonInterestBox (pDev, pScreen, pBox)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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BoxPtr pBox;
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{
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/* until DIX uses this, this will remain a stub */
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}
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/*ARGSUSED*/
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static void
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miPointerCursorLimits(pDev, pScreen, pCursor, pHotBox, pTopLeftBox)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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CursorPtr pCursor;
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BoxPtr pHotBox;
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BoxPtr pTopLeftBox;
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{
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*pTopLeftBox = *pHotBox;
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}
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static Bool GenerateEvent;
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static Bool
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miPointerSetCursorPosition(pDev, pScreen, x, y, generateEvent)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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int x, y;
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Bool generateEvent;
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{
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SetupScreen (pScreen);
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GenerateEvent = generateEvent;
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/* device dependent - must pend signal and call miPointerWarpCursor */
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(*pScreenPriv->screenFuncs->WarpCursor) (pDev, pScreen, x, y);
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if (!generateEvent)
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miPointerUpdateSprite(pDev);
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return TRUE;
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}
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/* Set up sprite information for the device.
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This function will be called once for each device after it is initialized
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in the DIX.
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*/
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static Bool
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miPointerDeviceInitialize(pDev, pScreen)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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{
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miPointerPtr pPointer;
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SetupScreen (pScreen);
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if (!AllocateDevicePrivate(pDev, miPointerPrivatesIndex))
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return FALSE;
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pPointer = xalloc(sizeof(miPointerRec));
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if (!pPointer)
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return FALSE;
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pPointer->pScreen = NULL;
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pPointer->pSpriteScreen = NULL;
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pPointer->pCursor = NULL;
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pPointer->pSpriteCursor = NULL;
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pPointer->limits.x1 = 0;
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pPointer->limits.x2 = 32767;
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pPointer->limits.y1 = 0;
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pPointer->limits.y2 = 32767;
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pPointer->confined = FALSE;
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pPointer->x = 0;
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pPointer->y = 0;
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if (!((*pScreenPriv->spriteFuncs->DeviceCursorInitialize)(pDev, pScreen)))
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{
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xfree(pPointer);
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return FALSE;
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}
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pDev->devPrivates[miPointerPrivatesIndex].ptr = pPointer;
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return TRUE;
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}
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/* Clean up after device.
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This function will be called once before the device is freed in the DIX
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*/
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static void
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miPointerDeviceCleanup(pDev, pScreen)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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{
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if (DevHasCursor(pDev))
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{
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SetupScreen(pScreen);
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(*pScreenPriv->spriteFuncs->DeviceCursorCleanup)(pDev, pScreen);
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xfree(pDev->devPrivates[miPointerPrivatesIndex].ptr);
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pDev->devPrivates[miPointerPrivatesIndex].ptr = NULL;
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}
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}
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/* Once signals are ignored, the WarpCursor function can call this */
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_X_EXPORT void
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miPointerWarpCursor (pDev, pScreen, x, y)
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DeviceIntPtr pDev;
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ScreenPtr pScreen;
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int x, y;
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{
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miPointerPtr pPointer;
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if (!pDev->isMaster && !pDev->u.master)
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return;
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pPointer = MIPOINTER(pDev);
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SetupScreen (pScreen);
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if (pPointer->pScreen != pScreen)
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(*pScreenPriv->screenFuncs->NewEventScreen) (pDev, pScreen, TRUE);
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if (GenerateEvent)
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{
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miPointerMove (pDev, pScreen, x, y, GetTimeInMillis());
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}
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else
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{
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/* everything from miPointerMove except the event and history */
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if (!pScreenPriv->waitForUpdate && pScreen == pPointer->pSpriteScreen)
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{
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pPointer->devx = x;
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pPointer->devy = y;
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if(!pPointer->pCursor->bits->emptyMask)
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(*pScreenPriv->spriteFuncs->MoveCursor) (pDev, pScreen, x, y);
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}
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pPointer->x = x;
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pPointer->y = y;
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pPointer->pScreen = pScreen;
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}
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UpdateSpriteForScreen (pDev, pScreen) ;
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}
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/*
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* Pointer/CursorDisplay interface routines
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*/
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/*
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* miPointerUpdate
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*
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* Syncronize the sprite with the cursor - called from ProcessInputEvents
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*/
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void
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miPointerUpdate ()
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{
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miPointerUpdateSprite(inputInfo.pointer);
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}
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void
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miPointerUpdateSprite (DeviceIntPtr pDev)
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{
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ScreenPtr pScreen;
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miPointerScreenPtr pScreenPriv;
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CursorPtr pCursor;
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int x, y, devx, devy;
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miPointerPtr pPointer;
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if (!pDev || !pDev->coreEvents || (!pDev->isMaster && !pDev->u.master))
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return;
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pPointer = MIPOINTER(pDev);
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pScreen = pPointer->pScreen;
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if (!pScreen)
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return;
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x = pPointer->x;
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y = pPointer->y;
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devx = pPointer->devx;
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devy = pPointer->devy;
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pScreenPriv = GetScreenPrivate (pScreen);
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/*
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* if the cursor has switched screens, disable the sprite
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* on the old screen
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*/
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if (pScreen != pPointer->pSpriteScreen)
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{
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if (pPointer->pSpriteScreen)
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{
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miPointerScreenPtr pOldPriv;
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pOldPriv = GetScreenPrivate (pPointer->pSpriteScreen);
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if (pPointer->pCursor)
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{
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(*pOldPriv->spriteFuncs->SetCursor)
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(pDev, pPointer->pSpriteScreen, NullCursor, 0, 0);
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}
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(*pOldPriv->screenFuncs->CrossScreen) (pPointer->pSpriteScreen, FALSE);
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}
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(*pScreenPriv->screenFuncs->CrossScreen) (pScreen, TRUE);
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(*pScreenPriv->spriteFuncs->SetCursor)
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(pDev, pScreen, pPointer->pCursor, x, y);
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pPointer->devx = x;
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pPointer->devy = y;
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pPointer->pSpriteCursor = pPointer->pCursor;
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pPointer->pSpriteScreen = pScreen;
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}
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/*
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* if the cursor has changed, display the new one
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*/
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else if (pPointer->pCursor != pPointer->pSpriteCursor)
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{
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pCursor = pPointer->pCursor;
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if (pCursor->bits->emptyMask && !pScreenPriv->showTransparent)
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pCursor = NullCursor;
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(*pScreenPriv->spriteFuncs->SetCursor) (pDev, pScreen, pCursor, x, y);
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pPointer->devx = x;
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pPointer->devy = y;
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pPointer->pSpriteCursor = pPointer->pCursor;
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}
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else if (x != devx || y != devy)
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{
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pPointer->devx = x;
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pPointer->devy = y;
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if(!pPointer->pCursor->bits->emptyMask)
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(*pScreenPriv->spriteFuncs->MoveCursor) (pDev, pScreen, x, y);
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}
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}
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/*
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* miPointerDeltaCursor. The pointer has moved dx,dy from it's previous
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* position.
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*/
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void
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miPointerDeltaCursor (int dx, int dy, unsigned long time)
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{
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int x = MIPOINTER(inputInfo.pointer)->x = dx;
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int y = MIPOINTER(inputInfo.pointer)->y = dy;
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miPointerSetPosition(inputInfo.pointer, &x, &y, time);
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}
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void
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miPointerSetNewScreen(int screen_no, int x, int y)
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{
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miPointerSetScreen(inputInfo.pointer, screen_no, x, y);
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}
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void
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miPointerSetScreen(DeviceIntPtr pDev, int screen_no, int x, int y)
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{
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miPointerScreenPtr pScreenPriv;
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ScreenPtr pScreen;
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miPointerPtr pPointer;
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if (!pDev->isMaster && !pDev->u.master)
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return;
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pPointer = MIPOINTER(pDev);
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pScreen = screenInfo.screens[screen_no];
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pScreenPriv = GetScreenPrivate (pScreen);
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(*pScreenPriv->screenFuncs->NewEventScreen) (pDev, pScreen, FALSE);
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NewCurrentScreen (pDev, pScreen, x, y);
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pPointer->limits.x2 = pScreen->width;
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pPointer->limits.y2 = pScreen->height;
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}
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_X_EXPORT ScreenPtr
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miPointerCurrentScreen ()
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{
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return miPointerGetScreen(inputInfo.pointer);
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}
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_X_EXPORT ScreenPtr
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miPointerGetScreen(DeviceIntPtr pDev)
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{
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if (!pDev || (!pDev->isMaster && !pDev->u.master))
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return NULL;
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return MIPOINTER(pDev)->pScreen;
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}
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/* Move the pointer to x, y on the current screen, update the sprite, and
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* the motion history. Generates no events. Does not return changed x
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* and y if they are clipped; use miPointerSetPosition instead. */
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_X_EXPORT void
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|
miPointerAbsoluteCursor (int x, int y, unsigned long time)
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|
{
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miPointerSetPosition(inputInfo.pointer, &x, &y, time);
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}
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|
|
|
/* Move the pointer on the current screen, and update the sprite. */
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|
static void
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|
miPointerMoved (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y,
|
|
unsigned long time)
|
|
{
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|
miPointerPtr pPointer;
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SetupScreen(pScreen);
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|
|
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if (!pDev->isMaster && !pDev->u.master)
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return;
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|
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|
pPointer = MIPOINTER(pDev);
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|
|
|
if (pDev && pDev->coreEvents
|
|
&& !pScreenPriv->waitForUpdate && pScreen == pPointer->pSpriteScreen)
|
|
{
|
|
pPointer->devx = x;
|
|
pPointer->devy = y;
|
|
if(!pPointer->pCursor->bits->emptyMask)
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|
(*pScreenPriv->spriteFuncs->MoveCursor) (pDev, pScreen, x, y);
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|
}
|
|
|
|
pPointer->x = x;
|
|
pPointer->y = y;
|
|
pPointer->pScreen = pScreen;
|
|
}
|
|
|
|
_X_EXPORT void
|
|
miPointerSetPosition(DeviceIntPtr pDev, int *x, int *y, unsigned long time)
|
|
{
|
|
miPointerScreenPtr pScreenPriv;
|
|
ScreenPtr pScreen;
|
|
ScreenPtr newScreen;
|
|
|
|
miPointerPtr pPointer;
|
|
|
|
if (!pDev->isMaster && !pDev->u.master)
|
|
return;
|
|
|
|
pPointer = MIPOINTER(pDev);
|
|
pScreen = pPointer->pScreen;
|
|
if (!pScreen)
|
|
return; /* called before ready */
|
|
|
|
if (!pDev || !pDev->coreEvents)
|
|
return;
|
|
|
|
if (*x < 0 || *x >= pScreen->width || *y < 0 || *y >= pScreen->height)
|
|
{
|
|
pScreenPriv = GetScreenPrivate (pScreen);
|
|
if (!pPointer->confined)
|
|
{
|
|
newScreen = pScreen;
|
|
(*pScreenPriv->screenFuncs->CursorOffScreen) (&newScreen, x, y);
|
|
if (newScreen != pScreen)
|
|
{
|
|
pScreen = newScreen;
|
|
(*pScreenPriv->screenFuncs->NewEventScreen) (pDev, pScreen,
|
|
FALSE);
|
|
pScreenPriv = GetScreenPrivate (pScreen);
|
|
/* Smash the confine to the new screen */
|
|
pPointer->limits.x2 = pScreen->width;
|
|
pPointer->limits.y2 = pScreen->height;
|
|
}
|
|
}
|
|
}
|
|
/* Constrain the sprite to the current limits. */
|
|
if (*x < pPointer->limits.x1)
|
|
*x = pPointer->limits.x1;
|
|
if (*x >= pPointer->limits.x2)
|
|
*x = pPointer->limits.x2 - 1;
|
|
if (*y < pPointer->limits.y1)
|
|
*y = pPointer->limits.y1;
|
|
if (*y >= pPointer->limits.y2)
|
|
*y = pPointer->limits.y2 - 1;
|
|
|
|
if (pPointer->x == *x && pPointer->y == *y &&
|
|
pPointer->pScreen == pScreen)
|
|
return;
|
|
|
|
miPointerMoved(pDev, pScreen, *x, *y, time);
|
|
}
|
|
|
|
_X_EXPORT void
|
|
miPointerPosition (int *x, int *y)
|
|
{
|
|
miPointerGetPosition(inputInfo.pointer, x, y);
|
|
}
|
|
|
|
_X_EXPORT void
|
|
miPointerGetPosition(DeviceIntPtr pDev, int *x, int *y)
|
|
{
|
|
if (!pDev->isMaster && !pDev->u.master)
|
|
{
|
|
ErrorF("[mi] miPointerGetPosition called for floating device.\n");
|
|
return;
|
|
}
|
|
|
|
*x = MIPOINTER(pDev)->x;
|
|
*y = MIPOINTER(pDev)->y;
|
|
}
|
|
|
|
void
|
|
miPointerMove (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y, unsigned long time)
|
|
{
|
|
int i, nevents;
|
|
int valuators[2];
|
|
|
|
miPointerMoved(pDev, pScreen, x, y, time);
|
|
|
|
/* generate motion notify */
|
|
valuators[0] = x;
|
|
valuators[1] = y;
|
|
|
|
if (!events)
|
|
{
|
|
events = InitEventList(GetMaximumEventsNum());
|
|
|
|
if (!events)
|
|
{
|
|
FatalError("Could not allocate event store.\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
nevents = GetPointerEvents(events, pDev, MotionNotify, 0, POINTER_ABSOLUTE, 0, 2, valuators);
|
|
|
|
OsBlockSignals();
|
|
for (i = 0; i < nevents; i++)
|
|
mieqEnqueue(pDev, events[i].event);
|
|
OsReleaseSignals();
|
|
}
|