diff options
Diffstat (limited to 'src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibMouse.cpp')
-rw-r--r-- | src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibMouse.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibMouse.cpp b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibMouse.cpp new file mode 100644 index 00000000..b41c31bb --- /dev/null +++ b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibMouse.cpp @@ -0,0 +1,130 @@ +/* $Id: VBoxGuestR0LibMouse.cpp $ */ +/** @file + * VBoxGuestLibR0 - Mouse Integration. + */ + +/* + * Copyright (C) 2012-2019 Oracle Corporation + * + * 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 AUTHORS OR COPYRIGHT + * HOLDERS 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. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include "VBoxGuestR0LibInternal.h" +#ifdef VBGL_VBOXGUEST +# error "This file shouldn't be part of the VBoxGuestR0LibBase library that is linked into VBoxGuest. It's client code." +#endif + + +/** + * Sets the function which is called back on each mouse pointer event. Only + * one callback can be active at once, so if you need several for any reason + * you must multiplex yourself. Call backs can be disabled by passing NULL + * as the function pointer. + * + * @remarks Ring-0. + * @returns iprt status code. + * @returns VERR_TRY_AGAIN if the main guest driver hasn't finished + * initialising. + * + * @param pfnNotify the function to call back. NULL to disable call backs. + * @param pvUser user supplied data/cookie to be passed to the function. + */ +DECLR0VBGL(int) VbglR0SetMouseNotifyCallback(PFNVBOXGUESTMOUSENOTIFY pfnNotify, void *pvUser) +{ + PVBGLIDCHANDLE pIdcHandle; + int rc = vbglR0QueryIdcHandle(&pIdcHandle); + if (RT_SUCCESS(rc)) + { + VBGLIOCSETMOUSENOTIFYCALLBACK NotifyCallback; + VBGLREQHDR_INIT(&NotifyCallback.Hdr, SET_MOUSE_NOTIFY_CALLBACK); + NotifyCallback.u.In.pfnNotify = pfnNotify; + NotifyCallback.u.In.pvUser = pvUser; + rc = VbglR0IdcCall(pIdcHandle, VBGL_IOCTL_SET_MOUSE_NOTIFY_CALLBACK, &NotifyCallback.Hdr, sizeof(NotifyCallback)); + } + return rc; +} + + +/** + * Retrieve mouse coordinates and features from the host. + * + * @remarks Ring-0. + * @returns VBox status code. + * + * @param pfFeatures Where to store the mouse features. + * @param px Where to store the X co-ordinate. + * @param py Where to store the Y co-ordinate. + */ +DECLR0VBGL(int) VbglR0GetMouseStatus(uint32_t *pfFeatures, uint32_t *px, uint32_t *py) +{ + PVBGLIDCHANDLE pIdcHandle; + int rc = vbglR0QueryIdcHandle(&pIdcHandle); + if (RT_SUCCESS(rc)) + { + VMMDevReqMouseStatus Req; + VMMDEV_REQ_HDR_INIT(&Req.header, sizeof(Req), VMMDevReq_GetMouseStatus); + Req.mouseFeatures = 0; + Req.pointerXPos = 0; + Req.pointerYPos = 0; + rc = VbglR0IdcCall(pIdcHandle, VBGL_IOCTL_VMMDEV_REQUEST(sizeof(Req)), (PVBGLREQHDR)&Req.header, sizeof(Req)); + if (RT_SUCCESS(rc)) + { + if (pfFeatures) + *pfFeatures = Req.mouseFeatures; + if (px) + *px = Req.pointerXPos; + if (py) + *py = Req.pointerYPos; + } + } + return rc; +} + + +/** + * Send mouse features to the host. + * + * @remarks Ring-0. + * @returns VBox status code. + * + * @param fFeatures Supported mouse pointer features. The main guest driver + * will mediate different callers and show the host any + * feature enabled by any guest caller. + */ +DECLR0VBGL(int) VbglR0SetMouseStatus(uint32_t fFeatures) +{ + PVBGLIDCHANDLE pIdcHandle; + int rc = vbglR0QueryIdcHandle(&pIdcHandle); + if (RT_SUCCESS(rc)) + { + VBGLIOCSETMOUSESTATUS Req; + VBGLREQHDR_INIT(&Req.Hdr, SET_MOUSE_STATUS); + Req.u.In.fStatus = fFeatures; + rc = VbglR0IdcCall(pIdcHandle, VBGL_IOCTL_SET_MOUSE_STATUS, &Req.Hdr, sizeof(Req)); + } + return rc; +} + |