+++ /dev/null
-/*
- * mipointer.c
- */
-
-/* $XConsortium: mipointer.c,v 5.24 94/04/17 20:27:39 dpw Exp $ */
-/* $XFree86: xc/programs/Xserver/mi/mipointer.c,v 3.1 1996/03/10 12:12:44 dawes Exp $ */
-
-/*
-
-Copyright (c) 1989 X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
-*/
-
-# define NEED_EVENTS
-# include "X.h"
-# include "Xmd.h"
-# include "Xproto.h"
-# include "misc.h"
-# include "windowstr.h"
-# include "pixmapstr.h"
-# include "mi.h"
-# include "scrnintstr.h"
-# include "mipointrst.h"
-# include "cursorstr.h"
-# include "dixstruct.h"
-
-static int miPointerScreenIndex;
-static unsigned long miPointerGeneration = 0;
-
-#define GetScreenPrivate(s) ((miPointerScreenPtr) ((s)->devPrivates[miPointerScreenIndex].ptr))
-#define SetupScreen(s) miPointerScreenPtr pScreenPriv = GetScreenPrivate(s)
-
-/*
- * until more than one pointer device exists.
- */
-
-static miPointerRec miPointer;
-
-static Bool miPointerRealizeCursor (), miPointerUnrealizeCursor ();
-static Bool miPointerDisplayCursor ();
-static void miPointerConstrainCursor (), miPointerPointerNonInterestBox();
-static void miPointerCursorLimits ();
-static Bool miPointerSetCursorPosition ();
-
-static Bool miPointerCloseScreen();
-
-static void miPointerMove ();
-
-Bool
-miPointerInitialize (pScreen, spriteFuncs, screenFuncs, waitForUpdate)
- ScreenPtr pScreen;
- miPointerSpriteFuncPtr spriteFuncs;
- miPointerScreenFuncPtr screenFuncs;
- Bool waitForUpdate;
-{
- miPointerScreenPtr pScreenPriv;
-
- if (miPointerGeneration != serverGeneration)
- {
- miPointerScreenIndex = AllocateScreenPrivateIndex();
- if (miPointerScreenIndex < 0)
- return FALSE;
- miPointerGeneration = serverGeneration;
- }
- pScreenPriv = (miPointerScreenPtr) xalloc (sizeof (miPointerScreenRec));
- if (!pScreenPriv)
- return FALSE;
- pScreenPriv->spriteFuncs = spriteFuncs;
- pScreenPriv->screenFuncs = screenFuncs;
- /*
- * check for uninitialized methods
- */
- if (!screenFuncs->EnqueueEvent)
- screenFuncs->EnqueueEvent = mieqEnqueue;
- if (!screenFuncs->NewEventScreen)
- screenFuncs->NewEventScreen = mieqSwitchScreen;
- pScreenPriv->waitForUpdate = waitForUpdate;
- pScreenPriv->CloseScreen = pScreen->CloseScreen;
- pScreen->CloseScreen = miPointerCloseScreen;
- pScreen->devPrivates[miPointerScreenIndex].ptr = (pointer) pScreenPriv;
- /*
- * set up screen cursor method table
- */
- pScreen->ConstrainCursor = miPointerConstrainCursor;
- pScreen->CursorLimits = miPointerCursorLimits;
- pScreen->DisplayCursor = miPointerDisplayCursor;
- pScreen->RealizeCursor = miPointerRealizeCursor;
- pScreen->UnrealizeCursor = miPointerUnrealizeCursor;
- pScreen->SetCursorPosition = miPointerSetCursorPosition;
- pScreen->RecolorCursor = miRecolorCursor;
- pScreen->PointerNonInterestBox = miPointerPointerNonInterestBox;
- /*
- * set up the pointer object
- */
- miPointer.pScreen = NULL;
- miPointer.pSpriteScreen = NULL;
- miPointer.pCursor = NULL;
- miPointer.pSpriteCursor = NULL;
- miPointer.limits.x1 = 0;
- miPointer.limits.x2 = 32767;
- miPointer.limits.y1 = 0;
- miPointer.limits.y2 = 32767;
- miPointer.confined = FALSE;
- miPointer.x = 0;
- miPointer.y = 0;
- miPointer.history_start = miPointer.history_end = 0;
- return TRUE;
-}
-
-static Bool
-miPointerCloseScreen (index, pScreen)
- int index;
- ScreenPtr pScreen;
-{
- SetupScreen(pScreen);
-
- if (pScreen == miPointer.pScreen)
- miPointer.pScreen = 0;
- if (pScreen == miPointer.pSpriteScreen)
- miPointer.pSpriteScreen = 0;
- pScreen->CloseScreen = pScreenPriv->CloseScreen;
- xfree ((pointer) pScreenPriv);
- return (*pScreen->CloseScreen) (index, pScreen);
-}
-
-/*
- * DIX/DDX interface routines
- */
-
-static Bool
-miPointerRealizeCursor (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- SetupScreen(pScreen);
-
- return (*pScreenPriv->spriteFuncs->RealizeCursor) (pScreen, pCursor);
-}
-
-static Bool
-miPointerUnrealizeCursor (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- SetupScreen(pScreen);
-
- return (*pScreenPriv->spriteFuncs->UnrealizeCursor) (pScreen, pCursor);
-}
-
-static Bool
-miPointerDisplayCursor (pScreen, pCursor)
- ScreenPtr pScreen;
- CursorPtr pCursor;
-{
- SetupScreen(pScreen);
-
- miPointer.pCursor = pCursor;
- miPointer.pScreen = pScreen;
- miPointerUpdate ();
- return TRUE;
-}
-
-static void
-miPointerConstrainCursor (pScreen, pBox)
- ScreenPtr pScreen;
- BoxPtr pBox;
-{
- miPointer.limits = *pBox;
- miPointer.confined = PointerConfinedToScreen();
-}
-
-/*ARGSUSED*/
-static void
-miPointerPointerNonInterestBox (pScreen, pBox)
- ScreenPtr pScreen;
- BoxPtr pBox;
-{
- /* until DIX uses this, this will remain a stub */
-}
-
-/*ARGSUSED*/
-static void
-miPointerCursorLimits(pScreen, pCursor, pHotBox, pTopLeftBox)
- ScreenPtr pScreen;
- CursorPtr pCursor;
- BoxPtr pHotBox;
- BoxPtr pTopLeftBox;
-{
- *pTopLeftBox = *pHotBox;
-}
-
-static Bool GenerateEvent;
-
-static Bool
-miPointerSetCursorPosition(pScreen, x, y, generateEvent)
- ScreenPtr pScreen;
- int x, y;
- Bool generateEvent;
-{
- SetupScreen (pScreen);
-
- GenerateEvent = generateEvent;
- /* device dependent - must pend signal and call miPointerWarpCursor */
- (*pScreenPriv->screenFuncs->WarpCursor) (pScreen, x, y);
- if (!generateEvent)
- miPointerUpdate();
- return TRUE;
-}
-
-/* Once signals are ignored, the WarpCursor function can call this */
-
-void
-miPointerWarpCursor (pScreen, x, y)
- ScreenPtr pScreen;
- int x, y;
-{
- SetupScreen (pScreen);
-
- if (miPointer.pScreen != pScreen)
- (*pScreenPriv->screenFuncs->NewEventScreen) (pScreen, TRUE);
-
- if (GenerateEvent)
- {
- miPointerMove (pScreen, x, y, GetTimeInMillis());
- }
- else
- {
- /* everything from miPointerMove except the event and history */
-
- if (!pScreenPriv->waitForUpdate && pScreen == miPointer.pSpriteScreen)
- {
- miPointer.devx = x;
- miPointer.devy = y;
- (*pScreenPriv->spriteFuncs->MoveCursor) (pScreen, x, y);
- }
- miPointer.x = x;
- miPointer.y = y;
- miPointer.pScreen = pScreen;
- }
-}
-
-/*
- * Pointer/CursorDisplay interface routines
- */
-
-int
-miPointerGetMotionBufferSize ()
-{
- return MOTION_SIZE;
-}
-
-int
-miPointerGetMotionEvents (pPtr, coords, start, stop, pScreen)
- DeviceIntPtr pPtr;
- xTimecoord *coords;
- unsigned long start, stop;
- ScreenPtr pScreen;
-{
- int i;
- int count = 0;
- miHistoryPtr h;
-
- for (i = miPointer.history_start; i != miPointer.history_end;)
- {
- h = &miPointer.history[i];
- if (h->event.time >= stop)
- break;
- if (h->event.time >= start)
- {
- *coords++ = h->event;
- count++;
- }
- if (++i == MOTION_SIZE) i = 0;
- }
- return count;
-}
-
-
-/*
- * miPointerUpdate
- *
- * Syncronize the sprite with the cursor - called from ProcessInputEvents
- */
-
-void
-miPointerUpdate ()
-{
- ScreenPtr pScreen;
- miPointerScreenPtr pScreenPriv;
- int x, y, devx, devy;
-
- pScreen = miPointer.pScreen;
- x = miPointer.x;
- y = miPointer.y;
- devx = miPointer.devx;
- devy = miPointer.devy;
- if (!pScreen)
- return;
- pScreenPriv = GetScreenPrivate (pScreen);
- /*
- * if the cursor has switched screens, disable the sprite
- * on the old screen
- */
- if (pScreen != miPointer.pSpriteScreen)
- {
- if (miPointer.pSpriteScreen)
- {
- miPointerScreenPtr pOldPriv;
-
- pOldPriv = GetScreenPrivate (miPointer.pSpriteScreen);
- if (miPointer.pCursor)
- {
- (*pOldPriv->spriteFuncs->SetCursor)
- (miPointer.pSpriteScreen, NullCursor, 0, 0);
- }
- (*pOldPriv->screenFuncs->CrossScreen) (miPointer.pSpriteScreen, FALSE);
- }
- (*pScreenPriv->screenFuncs->CrossScreen) (pScreen, TRUE);
- (*pScreenPriv->spriteFuncs->SetCursor)
- (pScreen, miPointer.pCursor, x, y);
- miPointer.devx = x;
- miPointer.devy = y;
- miPointer.pSpriteCursor = miPointer.pCursor;
- miPointer.pSpriteScreen = pScreen;
- }
- /*
- * if the cursor has changed, display the new one
- */
- else if (miPointer.pCursor != miPointer.pSpriteCursor)
- {
- (*pScreenPriv->spriteFuncs->SetCursor)
- (pScreen, miPointer.pCursor, x, y);
- miPointer.devx = x;
- miPointer.devy = y;
- miPointer.pSpriteCursor = miPointer.pCursor;
- }
- else if (x != devx || y != devy)
- {
- miPointer.devx = x;
- miPointer.devy = y;
- (*pScreenPriv->spriteFuncs->MoveCursor) (pScreen, x, y);
- }
-}
-
-/*
- * miPointerDeltaCursor. The pointer has moved dx,dy from it's previous
- * position.
- */
-
-void
-miPointerDeltaCursor (dx, dy, time)
- int dx, dy;
- unsigned long time;
-{
- miPointerAbsoluteCursor (miPointer.x + dx, miPointer.y + dy, time);
-}
-
-/*
- * miPointerAbsoluteCursor. The pointer has moved to x,y
- */
-
-void
-miPointerAbsoluteCursor (x, y, time)
- int x, y;
- unsigned long time;
-{
- miPointerScreenPtr pScreenPriv;
- ScreenPtr pScreen;
- ScreenPtr newScreen;
-
- pScreen = miPointer.pScreen;
- if (!pScreen)
- return; /* called before ready */
- if (x < 0 || x >= pScreen->width || y < 0 || y >= pScreen->height)
- {
- pScreenPriv = GetScreenPrivate (pScreen);
- if (!miPointer.confined)
- {
- newScreen = pScreen;
- (*pScreenPriv->screenFuncs->CursorOffScreen) (&newScreen, &x, &y);
- if (newScreen != pScreen)
- {
- pScreen = newScreen;
- (*pScreenPriv->screenFuncs->NewEventScreen) (pScreen, FALSE);
- pScreenPriv = GetScreenPrivate (pScreen);
- /* Smash the confine to the new screen */
- miPointer.limits.x2 = pScreen->width;
- miPointer.limits.y2 = pScreen->height;
- }
- }
- }
- /*
- * constrain the hot-spot to the current
- * limits
- */
- if (x < miPointer.limits.x1)
- x = miPointer.limits.x1;
- if (x >= miPointer.limits.x2)
- x = miPointer.limits.x2 - 1;
- if (y < miPointer.limits.y1)
- y = miPointer.limits.y1;
- if (y >= miPointer.limits.y2)
- y = miPointer.limits.y2 - 1;
- if (miPointer.x == x && miPointer.y == y && miPointer.pScreen == pScreen)
- return;
- miPointerMove (pScreen, x, y, time);
-}
-
-void
-miPointerPosition (x, y)
- int *x, *y;
-{
- *x = miPointer.x;
- *y = miPointer.y;
-}
-
-/*
- * miPointerMove. The pointer has moved to x,y on current screen
- */
-
-static void
-miPointerMove (pScreen, x, y, time)
- ScreenPtr pScreen;
- int x, y;
- unsigned long time;
-{
- SetupScreen(pScreen);
- xEvent xE;
- miHistoryPtr history;
- int prev, end, start;
-
- if (!pScreenPriv->waitForUpdate && pScreen == miPointer.pSpriteScreen)
- {
- miPointer.devx = x;
- miPointer.devy = y;
- (*pScreenPriv->spriteFuncs->MoveCursor) (pScreen, x, y);
- }
- miPointer.x = x;
- miPointer.y = y;
- miPointer.pScreen = pScreen;
-
- xE.u.u.type = MotionNotify;
- xE.u.keyButtonPointer.rootX = x;
- xE.u.keyButtonPointer.rootY = y;
- xE.u.keyButtonPointer.time = time;
- (*pScreenPriv->screenFuncs->EnqueueEvent) (&xE);
-
- end = miPointer.history_end;
- start = miPointer.history_start;
- prev = end - 1;
- if (end == 0)
- prev = MOTION_SIZE - 1;
- history = &miPointer.history[prev];
- if (end == start || history->event.time != time)
- {
- history = &miPointer.history[end];
- if (++end == MOTION_SIZE)
- end = 0;
- if (end == start)
- {
- start = end + 1;
- if (start == MOTION_SIZE)
- start = 0;
- miPointer.history_start = start;
- }
- miPointer.history_end = end;
- }
- history->event.x = x;
- history->event.y = y;
- history->event.time = time;
- history->pScreen = pScreen;
-}
-
-void
-_miRegisterPointerDevice (pScreen, pDevice)
- ScreenPtr pScreen;
- DeviceIntPtr pDevice;
-{
- miPointer.pPointer = (DevicePtr)pDevice;
-}
-
-/* obsolete: for binary compatibility */
-#ifdef miRegisterPointerDevice
-#undef miRegisterPointerDevice
-void
-miRegisterPointerDevice (pScreen, pDevice)
- ScreenPtr pScreen;
- DevicePtr pDevice;
-{
- miPointer.pPointer = pDevice;
-}
-#endif /* miRegisterPointerDevice */
projects / rdpsrv / blobdiff