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Initial revision
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Kaleb Keithley
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295
hw/xwin/winmouse.c
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295
hw/xwin/winmouse.c
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/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of the XFree86 Project
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from the XFree86 Project.
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*
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* Authors: Dakshinamurthy Karra
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* Suhaib M Siddiqi
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* Peter Busch
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* Harold L Hunt II
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*/
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/* $XFree86: xc/programs/Xserver/hw/xwin/winmouse.c,v 1.4 2001/10/29 21:10:24 alanh Exp $ */
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#include "win.h"
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void
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winMouseCtrl (DeviceIntPtr pDevice, PtrCtrl *pCtrl)
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{
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}
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/*
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* See Porting Layer Definition - p. 18
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* This is known as a DeviceProc
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*/
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int
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winMouseProc (DeviceIntPtr pDeviceInt, int iState)
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{
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CARD8 map[6];
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DevicePtr pDevice = (DevicePtr) pDeviceInt;
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switch (iState)
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{
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case DEVICE_INIT:
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map[1] = 1;
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map[2] = 2;
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map[3] = 3;
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map[4] = 4;
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map[5] = 5;
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InitPointerDeviceStruct (pDevice,
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map,
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5, /* Buttons 4 and 5 are mouse wheel events */
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miPointerGetMotionEvents,
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winMouseCtrl,
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miPointerGetMotionBufferSize ());
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break;
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case DEVICE_ON:
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pDevice->on = TRUE;
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break;
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case DEVICE_CLOSE:
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case DEVICE_OFF:
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pDevice->on = FALSE;
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break;
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}
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return Success;
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}
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/* Handle the mouse wheel */
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int
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winMouseWheel (ScreenPtr pScreen, int iDeltaZ)
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{
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winScreenPriv(pScreen);
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xEvent xCurrentEvent;
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/* Button4 = WheelUp */
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/* Button5 = WheelDown */
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/* Do we have any previous delta stored? */
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if ((pScreenPriv->iDeltaZ > 0
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&& iDeltaZ > 0)
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|| (pScreenPriv->iDeltaZ < 0
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&& iDeltaZ < 0))
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{
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/* Previous delta and of same sign as current delta */
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iDeltaZ += pScreenPriv->iDeltaZ;
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pScreenPriv->iDeltaZ = 0;
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}
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else
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{
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/*
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* Previous delta of different sign, or zero.
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* We will set it to zero for either case,
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* as blindly setting takes just as much time
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* as checking, then setting if necessary :)
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*/
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pScreenPriv->iDeltaZ = 0;
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}
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/*
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* Only process this message if the wheel has moved further than
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* WHEEL_DELTA
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*/
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if (iDeltaZ >= WHEEL_DELTA || (-1 * iDeltaZ) >= WHEEL_DELTA)
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{
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pScreenPriv->iDeltaZ = 0;
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/* Figure out how many whole deltas of the wheel we have */
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iDeltaZ /= WHEEL_DELTA;
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}
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else
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{
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/*
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* Wheel has not moved past WHEEL_DELTA threshold;
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* we will store the wheel delta until the threshold
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* has been reached.
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*/
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pScreenPriv->iDeltaZ = iDeltaZ;
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return 0;
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}
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/* Set the button to indicate up or down wheel delta */
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if (iDeltaZ > 0)
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{
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xCurrentEvent.u.u.detail = Button4;
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}
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else
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{
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xCurrentEvent.u.u.detail = Button5;
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}
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/*
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* Flip iDeltaZ to positive, if negative,
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* because always need to generate a *positive* number of
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* button clicks for the Z axis.
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*/
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if (iDeltaZ < 0)
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{
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iDeltaZ *= -1;
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}
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/* Generate X input messages for each wheel delta we have seen */
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while (iDeltaZ--)
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{
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/* Push the wheel button */
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xCurrentEvent.u.u.type = ButtonPress;
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xCurrentEvent.u.keyButtonPointer.time
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= g_c32LastInputEventTime = GetTickCount ();
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mieqEnqueue (&xCurrentEvent);
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/* Release the wheel button */
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xCurrentEvent.u.u.type = ButtonRelease;
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xCurrentEvent.u.keyButtonPointer.time
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= g_c32LastInputEventTime = GetTickCount ();
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mieqEnqueue (&xCurrentEvent);
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}
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return 0;
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}
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/*
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* Enqueue a mouse button event
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*/
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void
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winMouseButtonsSendEvent (int iEventType, int iButton)
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{
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xEvent xCurrentEvent;
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/* Load an xEvent and enqueue the event */
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xCurrentEvent.u.u.type = iEventType;
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xCurrentEvent.u.u.detail = iButton;
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xCurrentEvent.u.keyButtonPointer.time
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= g_c32LastInputEventTime = GetTickCount ();
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mieqEnqueue (&xCurrentEvent);
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}
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/*
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* Decide what to do with a Windows mouse message
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*/
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int
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winMouseButtonsHandle (ScreenPtr pScreen,
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int iEventType, int iButton,
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WPARAM wParam)
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{
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winScreenPriv(pScreen);
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winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
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/* Send button events right away if emulate 3 buttons is off */
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if (pScreenInfo->iE3BTimeout == WIN_E3B_OFF)
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{
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/* Emulate 3 buttons is off, send the button event */
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winMouseButtonsSendEvent (iEventType, iButton);
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return 0;
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}
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/* Emulate 3 buttons is on, let the fun begin */
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if (iEventType == ButtonPress
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&& pScreenPriv->iE3BCachedPress == 0
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&& !pScreenPriv->fE3BFakeButton2Sent)
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{
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/*
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* Button was pressed, no press is cached,
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* and there is no fake button 2 release pending.
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*/
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/* Store button press type */
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pScreenPriv->iE3BCachedPress = iButton;
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/*
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* Set a timer to send this button press if the other button
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* is not pressed within the timeout time.
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*/
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SetTimer (pScreenPriv->hwndScreen,
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WIN_E3B_TIMER_ID,
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pScreenInfo->iE3BTimeout,
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NULL);
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}
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else if (iEventType == ButtonPress
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&& pScreenPriv->iE3BCachedPress != 0
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&& pScreenPriv->iE3BCachedPress != iButton
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&& !pScreenPriv->fE3BFakeButton2Sent)
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{
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/*
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* Button press is cached, other button was pressed,
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* and there is no fake button 2 release pending.
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*/
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/* Mouse button was cached and other button was pressed */
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KillTimer (pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID);
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pScreenPriv->iE3BCachedPress = 0;
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/* Send fake middle button */
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winMouseButtonsSendEvent (ButtonPress, Button2);
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/* Indicate that a fake middle button event was sent */
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pScreenPriv->fE3BFakeButton2Sent = TRUE;
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}
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else if (iEventType == ButtonRelease
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&& pScreenPriv->iE3BCachedPress == iButton)
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{
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/*
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* Cached button was released before timer ran out,
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* and before the other mouse button was pressed.
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*/
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KillTimer (pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID);
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pScreenPriv->iE3BCachedPress = 0;
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/* Send cached press, then send release */
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winMouseButtonsSendEvent (ButtonPress, iButton);
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winMouseButtonsSendEvent (ButtonRelease, iButton);
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}
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else if (iEventType == ButtonRelease
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&& pScreenPriv->fE3BFakeButton2Sent
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&& !(wParam & MK_LBUTTON)
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&& !(wParam & MK_RBUTTON))
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{
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/*
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* Fake button 2 was sent and both mouse buttons have now been released
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*/
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pScreenPriv->fE3BFakeButton2Sent = FALSE;
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/* Send middle mouse button release */
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winMouseButtonsSendEvent (ButtonRelease, Button2);
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}
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else if (iEventType == ButtonRelease
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&& pScreenPriv->iE3BCachedPress == 0
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&& !pScreenPriv->fE3BFakeButton2Sent)
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{
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/*
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* Button was release, no button is cached,
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* and there is no fake button 2 release is pending.
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*/
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winMouseButtonsSendEvent (ButtonRelease, iButton);
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}
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return 0;
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}
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