/* $XConsortium: sunAmMouse.c,v 1.2 94/04/17 20:32:48 dpw Exp $ */ /*- * Copyright (c) 1987 by the Regents of the University of California * * Permission to use, copy, modify, and distribute this * software and its documentation for any purpose and without * fee is hereby granted, provided that the above copyright * notice appear in all copies. The University of California * makes no representations about the suitability of this * software for any purpose. It is provided "as is" without * express or implied warranty. */ /* This is a modified version of sunMouse.c, making it work for Amoeba */ /************************************************************ Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright no- tice appear in all copies and that both that copyright no- tice and this permission notice appear in supporting docu- mentation, and that the names of Sun or X Consortium not be used in advertising or publicity pertaining to distribution of the software without specific prior written permission. Sun and X Consortium make no representations about the suitability of this software for any purpose. It is provided "as is" without any express or implied warranty. SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI- ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ********************************************************/ /* * Copyright 1991, 1992, 1993 Kaleb S. Keithley * * Permission to use, copy, modify, and distribute this * software and its documentation for any purpose and without * fee is hereby granted, provided that the above copyright * notice appear in all copies. Kaleb S. Keithley makes no * representations about the suitability of this software for * any purpose. It is provided "as is" without express or * implied warranty. */ #define NEED_EVENTS #include "sun.h" Bool sunActiveZaphod = TRUE; static Bool sunCursorOffScreen(); static void sunCrossScreen(); static void sunWarpCursor(); miPointerScreenFuncRec sunPointerScreenFuncs = { sunCursorOffScreen, sunCrossScreen, sunWarpCursor, }; static sunPtrPrivRec sysMousePriv = { 0, 0, /* Current button state */ 0, 0, 0 }; /*- *----------------------------------------------------------------------- * sunMouseCtrl -- * Alter the control parameters for the mouse. Since acceleration * etc. is done from the PtrCtrl record in the mouse's device record, * there's nothing to do here. * * Results: * None. * * Side Effects: * None. * *----------------------------------------------------------------------- */ /*ARGSUSED*/ static #if NeedFunctionPrototypes void sunMouseCtrl ( DeviceIntPtr device, PtrCtrl* ctrl) #else void sunMouseCtrl (device, ctrl) DeviceIntPtr device; PtrCtrl* ctrl; #endif { } /*- *----------------------------------------------------------------------- * sunMouseProc -- * Handle the initialization, etc. of a mouse * * Results: * none. * * Side Effects: * * Note: * When using sunwindows, all input comes off a single fd, stored in the * global windowFd. Therefore, only one device should be enabled and * disabled, even though the application still sees both mouse and * keyboard. We have arbitrarily chosen to enable and disable windowFd * in the keyboard routine sunKbdProc rather than in sunMouseProc. * *----------------------------------------------------------------------- */ #if NeedFunctionPrototypes int sunMouseProc ( DeviceIntPtr device, int what) #else int sunMouseProc (device, what) DeviceIntPtr device; /* Mouse to play with */ int what; /* What to do with it */ #endif { DevicePtr pMouse = (DevicePtr) device; int format; static int oformat; BYTE map[4]; char *dev; switch (what) { case DEVICE_INIT: if (pMouse != LookupPointerDevice()) { ErrorF ("Cannot open non-system mouse"); return !Success; } pMouse->devicePrivate = (pointer) &sysMousePriv; pMouse->on = FALSE; map[1] = 1; map[2] = 2; map[3] = 3; InitPointerDeviceStruct( pMouse, map, 3, miPointerGetMotionEvents, sunMouseCtrl, miPointerGetMotionBufferSize()); break; case DEVICE_ON: pMouse->on = TRUE; break; case DEVICE_CLOSE: break; case DEVICE_OFF: pMouse->on = FALSE; break; } return Success; } /*- *----------------------------------------------------------------------- * MouseAccelerate -- * Given a delta and a mouse, return the acceleration of the delta. * * Results: * The corrected delta * * Side Effects: * None. * *----------------------------------------------------------------------- */ static short MouseAccelerate (device, delta) DeviceIntPtr device; int delta; { int sgn = sign(delta); PtrCtrl *pCtrl; short ret; delta = abs(delta); pCtrl = &device->ptrfeed->ctrl; if (delta > pCtrl->threshold) { ret = (short) sgn * (pCtrl->threshold + ((delta - pCtrl->threshold) * pCtrl->num) / pCtrl->den); } else { ret = (short) sgn * delta; } return ret; } /* * Given an xEvent for a mouse, pass it off the the dix layer * properly converted ... */ void sunMouseProcessEvent(pMouse, xeva) DevicePtr pMouse; /* mouse from which the event came */ xEvent *xeva; { int index; /* screen index */ xEvent xE; sunPtrPrivPtr pPriv; /* private data for pointer */ register int bmask; /* temporary button mask */ int x,y; xE = *xeva; pPriv = (sunPtrPrivPtr)pMouse->devicePrivate; bmask = pPriv->bmask; switch (xE.u.u.type) { case ButtonRelease: if (!(bmask & (1 << xE.u.u.detail))) { /* This may happen when the server starts up; ignore it */ /* ErrorF("Xsun: Ignoring spurious button release\n"); */ return; } pPriv->bmask &= ~(1<bmask |= (1<dx += MouseAccelerate(pMouse, xE.u.keyButtonPointer.rootX); pPriv->dy += MouseAccelerate(pMouse, xE.u.keyButtonPointer.rootY); pPriv->mouseMoved = TRUE; return; default: FatalError("sunMouseProcessEvent: unrecognized id\n"); break; } miPointerPosition(&x, &y); xE.u.keyButtonPointer.rootX = x; xE.u.keyButtonPointer.rootY = y; mieqEnqueue(&xE); } /* * Finish off any mouse motions we haven't done yet */ /*ARGSUSED*/ void sunMouseDoneEvents(pMouse,final) DevicePtr pMouse; Bool final; { sunPtrPrivPtr pPriv; xEvent xE; int dx, dy; pPriv = (sunPtrPrivPtr) pMouse->devicePrivate; if (pPriv->mouseMoved) { dx = pPriv->dx; dy = pPriv->dy; pPriv->dx = pPriv->dy = 0; pPriv->mouseMoved = FALSE; miPointerDeltaCursor(dx, dy, TimeSinceLastInputEvent()); } } /*ARGSUSED*/ static Bool sunCursorOffScreen (pScreen, x, y) ScreenPtr *pScreen; int *x, *y; { extern Bool PointerConfinedToScreen(); if (PointerConfinedToScreen()) return TRUE; /* since we support only one screen anyway: */ return FALSE; } static void sunCrossScreen (pScreen, entering) ScreenPtr pScreen; Bool entering; { if (sunFbs[pScreen->myNum].EnterLeave) (*sunFbs[pScreen->myNum].EnterLeave) (pScreen, entering ? 0 : 1); } static void sunWarpCursor (pScreen, x, y) ScreenPtr pScreen; int x, y; { miPointerWarpCursor (pScreen, x, y); }