VirtualBox

source: vbox/trunk/src/VBox/Additions/haiku/VBoxMouse/VBoxMouse.cpp@ 68294

Last change on this file since 68294 was 62526, checked in by vboxsync, 8 years ago

(C) 2016

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 8.2 KB
Line 
1/* $Id: VBoxMouse.cpp 62526 2016-07-22 19:18:03Z vboxsync $ */
2/** @file
3 * VBoxMouse; input_server add-on - Haiku Guest Additions, implementation.
4 */
5
6/*
7 * Copyright (C) 2012-2016 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18/*
19 * This code is based on:
20 *
21 * VirtualBox Guest Additions for Haiku.
22 * Copyright (c) 2011 Mike Smith <[email protected]>
23 * François Revol <[email protected]>
24 *
25 * Permission is hereby granted, free of charge, to any person
26 * obtaining a copy of this software and associated documentation
27 * files (the "Software"), to deal in the Software without
28 * restriction, including without limitation the rights to use,
29 * copy, modify, merge, publish, distribute, sublicense, and/or sell
30 * copies of the Software, and to permit persons to whom the
31 * Software is furnished to do so, subject to the following
32 * conditions:
33 *
34 * The above copyright notice and this permission notice shall be
35 * included in all copies or substantial portions of the Software.
36 *
37 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
38 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
39 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
40 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
41 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
42 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
43 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
44 * OTHER DEALINGS IN THE SOFTWARE.
45 */
46
47#include <errno.h>
48#include <stdio.h>
49#include <stdlib.h>
50#include <sys/time.h>
51#include <Clipboard.h>
52#include <Debug.h>
53#include <Message.h>
54#include <String.h>
55
56#include "VBoxMouse.h"
57#include <VBox/VBoxGuest.h> /** @todo use the VbglR3 interface! */
58#include <VBox/VBoxGuestLib.h>
59#include <VBoxGuestInternal.h>
60#include <VBox/VMMDev.h>
61#include <VBox/log.h>
62#include <iprt/err.h>
63
64/* Export as global symbol with C linkage, RTDECL is necessary. */
65RTDECL(BInputServerDevice *)
66instantiate_input_device()
67{
68 return new VBoxMouse();
69}
70
71
72static inline int vboxMouseAcquire()
73{
74 uint32_t fFeatures = 0;
75 int rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL);
76 if (RT_SUCCESS(rc))
77 {
78 rc = VbglR3SetMouseStatus(fFeatures | VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE | VMMDEV_MOUSE_NEW_PROTOCOL);
79 if (RT_FAILURE(rc))
80 LogRel(("VbglR3SetMouseStatus failed. rc=%d\n", rc));
81 }
82 else
83 LogRel(("VbglR3GetMouseStatus failed. rc=%d\n", rc));
84 return rc;
85}
86
87
88static inline int vboxMouseRelease()
89{
90 uint32_t fFeatures = 0;
91 int rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL);
92 if (RT_SUCCESS(rc))
93 {
94 rc = VbglR3SetMouseStatus(fFeatures & ~VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE & ~VMMDEV_MOUSE_NEW_PROTOCOL);
95 if (RT_FAILURE(rc))
96 LogRel(("VbglR3SetMouseStatus failed. rc=%d\n", rc));
97 }
98 else
99 LogRel(("VbglR3GetMouseStatus failed. rc=%d\n", rc));
100 return rc;
101}
102
103
104VBoxMouse::VBoxMouse()
105 : BInputServerDevice(),
106 fDriverFD(-1),
107 fServiceThreadID(-1),
108 fExiting(false)
109{
110}
111
112
113VBoxMouse::~VBoxMouse()
114{
115}
116
117
118status_t VBoxMouse::InitCheck()
119{
120 int rc = VbglR3Init();
121 if (!RT_SUCCESS(rc))
122 return ENXIO;
123
124 input_device_ref device = { (char *)"VBoxMouse", B_POINTING_DEVICE, (void *)this };
125 input_device_ref *deviceList[2] = { &device, NULL };
126 RegisterDevices(deviceList);
127
128 return B_OK;
129}
130
131
132status_t VBoxMouse::SystemShuttingDown()
133{
134 VbglR3Term();
135
136 return B_OK;
137}
138
139
140status_t VBoxMouse::Start(const char *device, void *cookie)
141{
142#if 0
143 status_t err;
144 int rc;
145 uint32_t fFeatures = 0;
146 Log(("VBoxMouse::%s()\n", __FUNCTION__));
147
148 rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL);
149 if (RT_SUCCESS(rc))
150 rc = VbglR3SetMouseStatus(fFeatures
151 | VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE
152 | VMMDEV_MOUSE_NEW_PROTOCOL);
153 if (!RT_SUCCESS(rc))
154 {
155 LogRel(("VBoxMouse: Error switching guest mouse into absolute mode: %d\n", rc));
156 return B_DEVICE_NOT_FOUND;
157 }
158
159 err = fServiceThreadID = spawn_thread(_ServiceThreadNub,
160 "VBoxMouse", B_NORMAL_PRIORITY, this);
161 if (err >= B_OK)
162 {
163 resume_thread(fServiceThreadID);
164 return B_OK;
165 }
166 else
167 LogRel(("VBoxMouse: Error starting service thread: 0x%08lx\n",
168 err));
169
170 // release the mouse
171 rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL);
172 if (RT_SUCCESS(rc))
173 rc = VbglR3SetMouseStatus(fFeatures
174 & ~VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE
175 & ~VMMDEV_MOUSE_NEW_PROTOCOL);
176
177 return B_ERROR;
178#endif
179
180 status_t err = B_OK;
181 int rc;
182 uint32_t fFeatures = 0;
183 LogFlowFunc(("device=%s cookie=%p\n", device, cookie));
184
185 rc = vboxMouseAcquire();
186 if (RT_SUCCESS(rc))
187 {
188 err = fServiceThreadID = spawn_thread(_ServiceThreadNub, "VBoxMouse", B_NORMAL_PRIORITY, this);
189 if (err >= B_OK)
190 {
191 resume_thread(fServiceThreadID);
192 return B_OK;
193 }
194 else
195 LogRel(("VBoxMouse::Start Error starting service thread: 0x%08lx\n", err));
196
197 vboxMouseRelease();
198 err = B_ERROR;
199 }
200 else
201 {
202 LogRel(("VBoxMouse::Start vboxMouseAcquire failed. rc=%d\n", rc));
203 err = B_DEVICE_NOT_FOUND;
204 }
205
206 return err;
207}
208
209
210status_t VBoxMouse::Stop(const char *device, void *cookie)
211{
212 status_t status;
213 int rc;
214 uint32_t fFeatures = 0;
215 Log(("VBoxMouse::%s()\n", __FUNCTION__));
216
217 fExiting = true;
218
219 vboxMouseRelease();
220
221 close(fDriverFD);
222 fDriverFD = -1;
223 //XXX WTF ?
224 suspend_thread(fServiceThreadID);
225 resume_thread(fServiceThreadID);
226 wait_for_thread(fServiceThreadID, &status);
227 fServiceThreadID = -1;
228 fExiting = false;
229 return B_OK;
230}
231
232
233status_t VBoxMouse::Control(const char *device, void *cookie, uint32 code, BMessage *message)
234{
235 switch (code)
236 {
237 case B_MOUSE_SPEED_CHANGED:
238 case B_CLICK_SPEED_CHANGED:
239 case B_MOUSE_ACCELERATION_CHANGED:
240 default:
241 return BInputServerDevice::Control(device, cookie, code, message);
242 }
243 return B_OK;
244}
245
246
247status_t VBoxMouse::_ServiceThreadNub(void *_this)
248{
249 VBoxMouse *service = (VBoxMouse *)_this;
250 return service->_ServiceThread();
251}
252
253
254status_t VBoxMouse::_ServiceThread()
255{
256 Log(("VBoxMouse::%s()\n", __FUNCTION__));
257
258 fDriverFD = open(VBOXGUEST_DEVICE_NAME, O_RDWR);
259 if (fDriverFD < 0)
260 return ENXIO;
261
262 /* The thread waits for incoming messages from the host. */
263 while (!fExiting)
264 {
265 uint32_t cx, cy, fFeatures;
266 int rc;
267
268 fd_set readSet, writeSet, errorSet;
269 FD_ZERO(&readSet);
270 FD_ZERO(&writeSet);
271 FD_ZERO(&errorSet);
272 FD_SET(fDriverFD, &readSet);
273 if (fDriverFD < 0)
274 break;
275 rc = select(fDriverFD + 1, &readSet, &writeSet, &errorSet, NULL);
276 if (rc < 0)
277 {
278 if (errno == EINTR || errno == EAGAIN)
279 continue;
280 break;
281 }
282
283 rc = VbglR3GetMouseStatus(&fFeatures, &cx, &cy);
284 if ( RT_SUCCESS(rc)
285 && (fFeatures & VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE))
286 {
287 float x = cx * 1.0 / 65535;
288 float y = cy * 1.0 / 65535;
289
290 _debugPrintf("VBoxMouse: at %d,%d %f,%f\n", cx, cy, x, y);
291
292 /* Send absolute movement */
293 bigtime_t now = system_time();
294 BMessage *event = new BMessage(B_MOUSE_MOVED);
295 event->AddInt64("when", now);
296 event->AddFloat("x", x);
297 event->AddFloat("y", y);
298 event->AddFloat("be:tablet_x", x);
299 event->AddFloat("be:tablet_y", y);
300 //event->PrintToStream();
301 EnqueueMessage(event);
302
303 //LogRelFlow(("processed host event rc = %d\n", rc));
304 }
305 }
306 return 0;
307}
308
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