/* *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. * *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 XFREE86 PROJECT 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 XFree86 Project *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 XFree86 Project. * * Authors: Dakshinamurthy Karra * Suhaib M Siddiqi * Peter Busch * Harold L Hunt II */ /* $XFree86: xc/programs/Xserver/hw/xwin/winmouse.c,v 1.4 2001/10/29 21:10:24 alanh Exp $ */ #include "win.h" void winMouseCtrl (DeviceIntPtr pDevice, PtrCtrl *pCtrl) { } /* * See Porting Layer Definition - p. 18 * This is known as a DeviceProc */ int winMouseProc (DeviceIntPtr pDeviceInt, int iState) { CARD8 map[6]; DevicePtr pDevice = (DevicePtr) pDeviceInt; switch (iState) { case DEVICE_INIT: map[1] = 1; map[2] = 2; map[3] = 3; map[4] = 4; map[5] = 5; InitPointerDeviceStruct (pDevice, map, 5, /* Buttons 4 and 5 are mouse wheel events */ miPointerGetMotionEvents, winMouseCtrl, miPointerGetMotionBufferSize ()); break; case DEVICE_ON: pDevice->on = TRUE; break; case DEVICE_CLOSE: case DEVICE_OFF: pDevice->on = FALSE; break; } return Success; } /* Handle the mouse wheel */ int winMouseWheel (ScreenPtr pScreen, int iDeltaZ) { winScreenPriv(pScreen); xEvent xCurrentEvent; /* Button4 = WheelUp */ /* Button5 = WheelDown */ /* Do we have any previous delta stored? */ if ((pScreenPriv->iDeltaZ > 0 && iDeltaZ > 0) || (pScreenPriv->iDeltaZ < 0 && iDeltaZ < 0)) { /* Previous delta and of same sign as current delta */ iDeltaZ += pScreenPriv->iDeltaZ; pScreenPriv->iDeltaZ = 0; } else { /* * Previous delta of different sign, or zero. * We will set it to zero for either case, * as blindly setting takes just as much time * as checking, then setting if necessary :) */ pScreenPriv->iDeltaZ = 0; } /* * Only process this message if the wheel has moved further than * WHEEL_DELTA */ if (iDeltaZ >= WHEEL_DELTA || (-1 * iDeltaZ) >= WHEEL_DELTA) { pScreenPriv->iDeltaZ = 0; /* Figure out how many whole deltas of the wheel we have */ iDeltaZ /= WHEEL_DELTA; } else { /* * Wheel has not moved past WHEEL_DELTA threshold; * we will store the wheel delta until the threshold * has been reached. */ pScreenPriv->iDeltaZ = iDeltaZ; return 0; } /* Set the button to indicate up or down wheel delta */ if (iDeltaZ > 0) { xCurrentEvent.u.u.detail = Button4; } else { xCurrentEvent.u.u.detail = Button5; } /* * Flip iDeltaZ to positive, if negative, * because always need to generate a *positive* number of * button clicks for the Z axis. */ if (iDeltaZ < 0) { iDeltaZ *= -1; } /* Generate X input messages for each wheel delta we have seen */ while (iDeltaZ--) { /* Push the wheel button */ xCurrentEvent.u.u.type = ButtonPress; xCurrentEvent.u.keyButtonPointer.time = g_c32LastInputEventTime = GetTickCount (); mieqEnqueue (&xCurrentEvent); /* Release the wheel button */ xCurrentEvent.u.u.type = ButtonRelease; xCurrentEvent.u.keyButtonPointer.time = g_c32LastInputEventTime = GetTickCount (); mieqEnqueue (&xCurrentEvent); } return 0; } /* * Enqueue a mouse button event */ void winMouseButtonsSendEvent (int iEventType, int iButton) { xEvent xCurrentEvent; /* Load an xEvent and enqueue the event */ xCurrentEvent.u.u.type = iEventType; xCurrentEvent.u.u.detail = iButton; xCurrentEvent.u.keyButtonPointer.time = g_c32LastInputEventTime = GetTickCount (); mieqEnqueue (&xCurrentEvent); } /* * Decide what to do with a Windows mouse message */ int winMouseButtonsHandle (ScreenPtr pScreen, int iEventType, int iButton, WPARAM wParam) { winScreenPriv(pScreen); winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; /* Send button events right away if emulate 3 buttons is off */ if (pScreenInfo->iE3BTimeout == WIN_E3B_OFF) { /* Emulate 3 buttons is off, send the button event */ winMouseButtonsSendEvent (iEventType, iButton); return 0; } /* Emulate 3 buttons is on, let the fun begin */ if (iEventType == ButtonPress && pScreenPriv->iE3BCachedPress == 0 && !pScreenPriv->fE3BFakeButton2Sent) { /* * Button was pressed, no press is cached, * and there is no fake button 2 release pending. */ /* Store button press type */ pScreenPriv->iE3BCachedPress = iButton; /* * Set a timer to send this button press if the other button * is not pressed within the timeout time. */ SetTimer (pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID, pScreenInfo->iE3BTimeout, NULL); } else if (iEventType == ButtonPress && pScreenPriv->iE3BCachedPress != 0 && pScreenPriv->iE3BCachedPress != iButton && !pScreenPriv->fE3BFakeButton2Sent) { /* * Button press is cached, other button was pressed, * and there is no fake button 2 release pending. */ /* Mouse button was cached and other button was pressed */ KillTimer (pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID); pScreenPriv->iE3BCachedPress = 0; /* Send fake middle button */ winMouseButtonsSendEvent (ButtonPress, Button2); /* Indicate that a fake middle button event was sent */ pScreenPriv->fE3BFakeButton2Sent = TRUE; } else if (iEventType == ButtonRelease && pScreenPriv->iE3BCachedPress == iButton) { /* * Cached button was released before timer ran out, * and before the other mouse button was pressed. */ KillTimer (pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID); pScreenPriv->iE3BCachedPress = 0; /* Send cached press, then send release */ winMouseButtonsSendEvent (ButtonPress, iButton); winMouseButtonsSendEvent (ButtonRelease, iButton); } else if (iEventType == ButtonRelease && pScreenPriv->fE3BFakeButton2Sent && !(wParam & MK_LBUTTON) && !(wParam & MK_RBUTTON)) { /* * Fake button 2 was sent and both mouse buttons have now been released */ pScreenPriv->fE3BFakeButton2Sent = FALSE; /* Send middle mouse button release */ winMouseButtonsSendEvent (ButtonRelease, Button2); } else if (iEventType == ButtonRelease && pScreenPriv->iE3BCachedPress == 0 && !pScreenPriv->fE3BFakeButton2Sent) { /* * Button was release, no button is cached, * and there is no fake button 2 release is pending. */ winMouseButtonsSendEvent (ButtonRelease, iButton); } return 0; }