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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Additions/haiku/VBoxMouse/VBoxMouse.cpp | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/src/VBox/Additions/haiku/VBoxMouse/VBoxMouse.cpp b/src/VBox/Additions/haiku/VBoxMouse/VBoxMouse.cpp new file mode 100644 index 00000000..50261a45 --- /dev/null +++ b/src/VBox/Additions/haiku/VBoxMouse/VBoxMouse.cpp @@ -0,0 +1,318 @@ +/* $Id: VBoxMouse.cpp $ */ +/** @file + * VBoxMouse; input_server add-on - Haiku Guest Additions, implementation. + */ + +/* + * Copyright (C) 2012-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +/* + * This code is based on: + * + * VirtualBox Guest Additions for Haiku. + * Copyright (c) 2011 Mike Smith <mike@scgtrp.net> + * François Revol <revol@free.fr> + * + * 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. + */ + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/time.h> +#include <Clipboard.h> +#include <Debug.h> +#include <Message.h> +#include <String.h> + +#include "VBoxMouse.h" +#include <VBox/VBoxGuest.h> /** @todo use the VbglR3 interface! */ +#include <VBox/VBoxGuestLib.h> +#include <VBoxGuestInternal.h> +#include <VBox/VMMDev.h> +#include <VBox/log.h> +#include <iprt/errcore.h> + +/* Export as global symbol with C linkage, RTDECL is necessary. */ +RTDECL(BInputServerDevice *) +instantiate_input_device() +{ + return new VBoxMouse(); +} + + +static inline int vboxMouseAcquire() +{ + uint32_t fFeatures = 0; + int rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL); + if (RT_SUCCESS(rc)) + { + rc = VbglR3SetMouseStatus(fFeatures | VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE | VMMDEV_MOUSE_NEW_PROTOCOL); + if (RT_FAILURE(rc)) + LogRel(("VbglR3SetMouseStatus failed. rc=%d\n", rc)); + } + else + LogRel(("VbglR3GetMouseStatus failed. rc=%d\n", rc)); + return rc; +} + + +static inline int vboxMouseRelease() +{ + uint32_t fFeatures = 0; + int rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL); + if (RT_SUCCESS(rc)) + { + rc = VbglR3SetMouseStatus(fFeatures & ~VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE & ~VMMDEV_MOUSE_NEW_PROTOCOL); + if (RT_FAILURE(rc)) + LogRel(("VbglR3SetMouseStatus failed. rc=%d\n", rc)); + } + else + LogRel(("VbglR3GetMouseStatus failed. rc=%d\n", rc)); + return rc; +} + + +VBoxMouse::VBoxMouse() + : BInputServerDevice(), + fDriverFD(-1), + fServiceThreadID(-1), + fExiting(false) +{ +} + + +VBoxMouse::~VBoxMouse() +{ +} + + +status_t VBoxMouse::InitCheck() +{ + int rc = VbglR3Init(); + if (!RT_SUCCESS(rc)) + return ENXIO; + + input_device_ref device = { (char *)"VBoxMouse", B_POINTING_DEVICE, (void *)this }; + input_device_ref *deviceList[2] = { &device, NULL }; + RegisterDevices(deviceList); + + return B_OK; +} + + +status_t VBoxMouse::SystemShuttingDown() +{ + VbglR3Term(); + + return B_OK; +} + + +status_t VBoxMouse::Start(const char *device, void *cookie) +{ +#if 0 + status_t err; + int rc; + uint32_t fFeatures = 0; + Log(("VBoxMouse::%s()\n", __FUNCTION__)); + + rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL); + if (RT_SUCCESS(rc)) + rc = VbglR3SetMouseStatus(fFeatures + | VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE + | VMMDEV_MOUSE_NEW_PROTOCOL); + if (!RT_SUCCESS(rc)) + { + LogRel(("VBoxMouse: Error switching guest mouse into absolute mode: %d\n", rc)); + return B_DEVICE_NOT_FOUND; + } + + err = fServiceThreadID = spawn_thread(_ServiceThreadNub, + "VBoxMouse", B_NORMAL_PRIORITY, this); + if (err >= B_OK) + { + resume_thread(fServiceThreadID); + return B_OK; + } + else + LogRel(("VBoxMouse: Error starting service thread: 0x%08lx\n", + err)); + + // release the mouse + rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL); + if (RT_SUCCESS(rc)) + rc = VbglR3SetMouseStatus(fFeatures + & ~VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE + & ~VMMDEV_MOUSE_NEW_PROTOCOL); + + return B_ERROR; +#endif + + status_t err = B_OK; + int rc; + uint32_t fFeatures = 0; + LogFlowFunc(("device=%s cookie=%p\n", device, cookie)); + + rc = vboxMouseAcquire(); + if (RT_SUCCESS(rc)) + { + err = fServiceThreadID = spawn_thread(_ServiceThreadNub, "VBoxMouse", B_NORMAL_PRIORITY, this); + if (err >= B_OK) + { + resume_thread(fServiceThreadID); + return B_OK; + } + else + LogRel(("VBoxMouse::Start Error starting service thread: 0x%08lx\n", err)); + + vboxMouseRelease(); + err = B_ERROR; + } + else + { + LogRel(("VBoxMouse::Start vboxMouseAcquire failed. rc=%d\n", rc)); + err = B_DEVICE_NOT_FOUND; + } + + return err; +} + + +status_t VBoxMouse::Stop(const char *device, void *cookie) +{ + status_t status; + int rc; + uint32_t fFeatures = 0; + Log(("VBoxMouse::%s()\n", __FUNCTION__)); + + fExiting = true; + + vboxMouseRelease(); + + close(fDriverFD); + fDriverFD = -1; + //XXX WTF ? + suspend_thread(fServiceThreadID); + resume_thread(fServiceThreadID); + wait_for_thread(fServiceThreadID, &status); + fServiceThreadID = -1; + fExiting = false; + return B_OK; +} + + +status_t VBoxMouse::Control(const char *device, void *cookie, uint32 code, BMessage *message) +{ + switch (code) + { + case B_MOUSE_SPEED_CHANGED: + case B_CLICK_SPEED_CHANGED: + case B_MOUSE_ACCELERATION_CHANGED: + default: + return BInputServerDevice::Control(device, cookie, code, message); + } + return B_OK; +} + + +status_t VBoxMouse::_ServiceThreadNub(void *_this) +{ + VBoxMouse *service = (VBoxMouse *)_this; + return service->_ServiceThread(); +} + + +status_t VBoxMouse::_ServiceThread() +{ + Log(("VBoxMouse::%s()\n", __FUNCTION__)); + + fDriverFD = open(VBOXGUEST_DEVICE_NAME, O_RDWR); + if (fDriverFD < 0) + return ENXIO; + + /* The thread waits for incoming messages from the host. */ + while (!fExiting) + { + uint32_t cx, cy, fFeatures; + int rc; + + fd_set readSet, writeSet, errorSet; + FD_ZERO(&readSet); + FD_ZERO(&writeSet); + FD_ZERO(&errorSet); + FD_SET(fDriverFD, &readSet); + if (fDriverFD < 0) + break; + rc = select(fDriverFD + 1, &readSet, &writeSet, &errorSet, NULL); + if (rc < 0) + { + if (errno == EINTR || errno == EAGAIN) + continue; + break; + } + + rc = VbglR3GetMouseStatus(&fFeatures, &cx, &cy); + if ( RT_SUCCESS(rc) + && (fFeatures & VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE)) + { + float x = cx * 1.0 / 65535; + float y = cy * 1.0 / 65535; + + _debugPrintf("VBoxMouse: at %d,%d %f,%f\n", cx, cy, x, y); + + /* Send absolute movement */ + bigtime_t now = system_time(); + BMessage *event = new BMessage(B_MOUSE_MOVED); + event->AddInt64("when", now); + event->AddFloat("x", x); + event->AddFloat("y", y); + event->AddFloat("be:tablet_x", x); + event->AddFloat("be:tablet_y", y); + //event->PrintToStream(); + EnqueueMessage(event); + + //LogRelFlow(("processed host event rc = %d\n", rc)); + } + } + return 0; +} + |