MouseImpl.cpp@ 52921

Last change on this file since 52921 was 52921, checked in by vboxsync, 10 years ago
IMouse::PointerShape
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1	/* $Id: MouseImpl.cpp 52921 2014-10-02 06:36:54Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2014 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	#include <iprt/cpp/utils.h>
19
20	#include "MouseImpl.h"
21	#include "DisplayImpl.h"
22	#include "VMMDev.h"
23	#include "MousePointerShapeWrap.h"
24
25	#include "AutoCaller.h"
26	#include "Logging.h"
27
28	#include <VBox/vmm/pdmdrv.h>
29	#include <VBox/VMMDev.h>
30
31	#include <iprt/asm.h>
32
33	class ATL_NO_VTABLE MousePointerShape:
34	public MousePointerShapeWrap
35	{
36	public:
37
38	DECLARE_EMPTY_CTOR_DTOR(MousePointerShape)
39
40	HRESULT FinalConstruct();
41	void FinalRelease();
42
43	/* Public initializer/uninitializer for internal purposes only. */
44	HRESULT init(ComObjPtr<Mouse> pMouse,
45	bool fVisible, bool fAlpha,
46	uint32_t hotX, uint32_t hotY,
47	uint32_t width, uint32_t height,
48	const uint8_t *pu8Shape, uint32_t cbShape);
49	void uninit();
50
51	private:
52	// wrapped IMousePointerShape properties
53	virtual HRESULT getVisible(BOOL *aVisible);
54	virtual HRESULT getAlpha(BOOL *aAlpha);
55	virtual HRESULT getHotX(ULONG *aHotX);
56	virtual HRESULT getHotY(ULONG *aHotY);
57	virtual HRESULT getWidth(ULONG *aWidth);
58	virtual HRESULT getHeight(ULONG *aHeight);
59	virtual HRESULT getShape(std::vector<BYTE> &aShape);
60
61	struct Data
62	{
63	ComObjPtr<Mouse> pMouse;
64	bool fVisible;
65	bool fAlpha;
66	uint32_t hotX;
67	uint32_t hotY;
68	uint32_t width;
69	uint32_t height;
70	std::vector<BYTE> shape;
71	};
72
73	Data m;
74	};
75
76	/*
77	* MousePointerShape implementation.
78	*/
79	DEFINE_EMPTY_CTOR_DTOR(MousePointerShape)
80
81	HRESULT MousePointerShape::FinalConstruct()
82	{
83	return BaseFinalConstruct();
84	}
85
86	void MousePointerShape::FinalRelease()
87	{
88	uninit();
89
90	BaseFinalRelease();
91	}
92
93	HRESULT MousePointerShape::init(ComObjPtr<Mouse> pMouse,
94	bool fVisible, bool fAlpha,
95	uint32_t hotX, uint32_t hotY,
96	uint32_t width, uint32_t height,
97	const uint8_t *pu8Shape, uint32_t cbShape)
98	{
99	LogFlowThisFunc(("v %d, a %d, h %d,%d, %dx%d, cb %d\n",
100	fVisible, fAlpha, hotX, hotY, width, height, cbShape));
101
102	/* Enclose the state transition NotReady->InInit->Ready */
103	AutoInitSpan autoInitSpan(this);
104	AssertReturn(autoInitSpan.isOk(), E_FAIL);
105
106	m.pMouse = pMouse;
107	m.fVisible = fVisible;
108	m.fAlpha = fAlpha;
109	m.hotX = hotX;
110	m.hotY = hotY;
111	m.width = width;
112	m.height = height;
113	m.shape.resize(cbShape);
114	if (cbShape)
115	{
116	memcpy(&m.shape.front(), pu8Shape, cbShape);
117	}
118
119	/* Confirm a successful initialization */
120	autoInitSpan.setSucceeded();
121
122	return S_OK;
123	}
124
125	void MousePointerShape::uninit()
126	{
127	LogFlowThisFunc(("\n"));
128
129	/* Enclose the state transition Ready->InUninit->NotReady */
130	AutoUninitSpan autoUninitSpan(this);
131	if (autoUninitSpan.uninitDone())
132	return;
133
134	m.pMouse.setNull();
135	}
136
137	HRESULT MousePointerShape::getVisible(BOOL *aVisible)
138	{
139	*aVisible = m.fVisible;
140	return S_OK;
141	}
142
143	HRESULT MousePointerShape::getAlpha(BOOL *aAlpha)
144	{
145	*aAlpha = m.fAlpha;
146	return S_OK;
147	}
148
149	HRESULT MousePointerShape::getHotX(ULONG *aHotX)
150	{
151	*aHotX = m.hotX;
152	return S_OK;
153	}
154
155	HRESULT MousePointerShape::getHotY(ULONG *aHotY)
156	{
157	*aHotY = m.hotY;
158	return S_OK;
159	}
160
161	HRESULT MousePointerShape::getWidth(ULONG *aWidth)
162	{
163	*aWidth = m.width;
164	return S_OK;
165	}
166
167	HRESULT MousePointerShape::getHeight(ULONG *aHeight)
168	{
169	*aHeight = m.height;
170	return S_OK;
171	}
172
173	HRESULT MousePointerShape::getShape(std::vector<BYTE> &aShape)
174	{
175	aShape.resize(m.shape.size());
176	memcpy(&aShape.front(), &m.shape.front(), aShape.size());
177	return S_OK;
178	}
179
180
181	/** @name Mouse device capabilities bitfield
182	* @{ */
183	enum
184	{
185	/** The mouse device can do relative reporting */
186	MOUSE_DEVCAP_RELATIVE = 1,
187	/** The mouse device can do absolute reporting */
188	MOUSE_DEVCAP_ABSOLUTE = 2,
189	/** The mouse device can do absolute reporting */
190	MOUSE_DEVCAP_MULTI_TOUCH = 4
191	};
192	/** @} */
193
194
195	/**
196	* Mouse driver instance data.
197	*/
198	struct DRVMAINMOUSE
199	{
200	/** Pointer to the mouse object. */
201	Mouse *pMouse;
202	/** Pointer to the driver instance structure. */
203	PPDMDRVINS pDrvIns;
204	/** Pointer to the mouse port interface of the driver/device above us. */
205	PPDMIMOUSEPORT pUpPort;
206	/** Our mouse connector interface. */
207	PDMIMOUSECONNECTOR IConnector;
208	/** The capabilities of this device. */
209	uint32_t u32DevCaps;
210	};
211
212
213	// constructor / destructor
214	/////////////////////////////////////////////////////////////////////////////
215
216	Mouse::Mouse()
217	: mParent(NULL)
218	{
219	}
220
221	Mouse::~Mouse()
222	{
223	}
224
225
226	HRESULT Mouse::FinalConstruct()
227	{
228	RT_ZERO(mpDrv);
229	RT_ZERO(mPointerData);
230	mcLastX = 0x8000;
231	mcLastY = 0x8000;
232	mfLastButtons = 0;
233	mfVMMDevGuestCaps = 0;
234	return BaseFinalConstruct();
235	}
236
237	void Mouse::FinalRelease()
238	{
239	uninit();
240	BaseFinalRelease();
241	}
242
243	// public methods only for internal purposes
244	/////////////////////////////////////////////////////////////////////////////
245
246	/**
247	* Initializes the mouse object.
248	*
249	* @returns COM result indicator
250	* @param parent handle of our parent object
251	*/
252	HRESULT Mouse::init (ConsoleMouseInterface *parent)
253	{
254	LogFlowThisFunc(("\n"));
255
256	ComAssertRet(parent, E_INVALIDARG);
257
258	/* Enclose the state transition NotReady->InInit->Ready */
259	AutoInitSpan autoInitSpan(this);
260	AssertReturn(autoInitSpan.isOk(), E_FAIL);
261
262	unconst(mParent) = parent;
263
264	unconst(mEventSource).createObject();
265	HRESULT rc = mEventSource->init();
266	AssertComRCReturnRC(rc);
267	mMouseEvent.init(mEventSource, VBoxEventType_OnGuestMouse,
268	0, 0, 0, 0, 0, 0);
269
270	/* Confirm a successful initialization */
271	autoInitSpan.setSucceeded();
272
273	return S_OK;
274	}
275
276	/**
277	* Uninitializes the instance and sets the ready flag to FALSE.
278	* Called either from FinalRelease() or by the parent when it gets destroyed.
279	*/
280	void Mouse::uninit()
281	{
282	LogFlowThisFunc(("\n"));
283
284	/* Enclose the state transition Ready->InUninit->NotReady */
285	AutoUninitSpan autoUninitSpan(this);
286	if (autoUninitSpan.uninitDone())
287	return;
288
289	for (unsigned i = 0; i < MOUSE_MAX_DEVICES; ++i)
290	{
291	if (mpDrv[i])
292	mpDrv[i]->pMouse = NULL;
293	mpDrv[i] = NULL;
294	}
295
296	mPointerShape.setNull();
297
298	RTMemFree(mPointerData.pu8Shape);
299	mPointerData.pu8Shape = NULL;
300	mPointerData.cbShape = 0;
301
302	mMouseEvent.uninit();
303	unconst(mEventSource).setNull();
304	unconst(mParent) = NULL;
305	}
306
307	void Mouse::updateMousePointerShape(bool fVisible, bool fAlpha,
308	uint32_t hotX, uint32_t hotY,
309	uint32_t width, uint32_t height,
310	const uint8_t *pu8Shape, uint32_t cbShape)
311	{
312	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
313
314	RTMemFree(mPointerData.pu8Shape);
315	mPointerData.pu8Shape = NULL;
316	mPointerData.cbShape = 0;
317
318	mPointerData.fVisible = fVisible;
319	mPointerData.fAlpha = fAlpha;
320	mPointerData.hotX = hotX;
321	mPointerData.hotY = hotY;
322	mPointerData.width = width;
323	mPointerData.height = height;
324	if (cbShape)
325	{
326	mPointerData.pu8Shape = (uint8_t *)RTMemDup(pu8Shape, cbShape);
327	if (mPointerData.pu8Shape)
328	{
329	mPointerData.cbShape = cbShape;
330	}
331	}
332
333	mPointerShape.setNull();
334	}
335
336	// IMouse properties
337	/////////////////////////////////////////////////////////////////////////////
338
339	/** Report the front-end's mouse handling capabilities to the VMM device and
340	* thus to the guest.
341	* @note all calls out of this object are made with no locks held! */
342	HRESULT Mouse::i_updateVMMDevMouseCaps(uint32_t fCapsAdded,
343	uint32_t fCapsRemoved)
344	{
345	VMMDevMouseInterface *pVMMDev = mParent->i_getVMMDevMouseInterface();
346	if (!pVMMDev)
347	return E_FAIL; /* No assertion, as the front-ends can send events
348	* at all sorts of inconvenient times. */
349	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
350	if (!pVMMDevPort)
351	return E_FAIL; /* same here */
352
353	int rc = pVMMDevPort->pfnUpdateMouseCapabilities(pVMMDevPort, fCapsAdded,
354	fCapsRemoved);
355	return RT_SUCCESS(rc) ? S_OK : E_FAIL;
356	}
357
358	/**
359	* Returns whether the currently active device portfolio can accept absolute
360	* mouse events.
361	*
362	* @returns COM status code
363	* @param absoluteSupported address of result variable
364	*/
365	HRESULT Mouse::getAbsoluteSupported(BOOL *aAbsoluteSupported)
366	{
367	*aAbsoluteSupported = i_supportsAbs();
368	return S_OK;
369	}
370
371	/**
372	* Returns whether the currently active device portfolio can accept relative
373	* mouse events.
374	*
375	* @returns COM status code
376	* @param relativeSupported address of result variable
377	*/
378	HRESULT Mouse::getRelativeSupported(BOOL *aRelativeSupported)
379	{
380	*aRelativeSupported = i_supportsRel();
381	return S_OK;
382	}
383
384	/**
385	* Returns whether the currently active device portfolio can accept multi-touch
386	* mouse events.
387	*
388	* @returns COM status code
389	* @param multiTouchSupported address of result variable
390	*/
391	HRESULT Mouse::getMultiTouchSupported(BOOL *aMultiTouchSupported)
392	{
393	*aMultiTouchSupported = i_supportsMT();
394	return S_OK;
395	}
396
397	/**
398	* Returns whether the guest can currently switch to drawing the mouse cursor
399	* itself if it is asked to by the front-end.
400	*
401	* @returns COM status code
402	* @param pfNeedsHostCursor address of result variable
403	*/
404	HRESULT Mouse::getNeedsHostCursor(BOOL *aNeedsHostCursor)
405	{
406	*aNeedsHostCursor = i_guestNeedsHostCursor();
407	return S_OK;
408	}
409
410	HRESULT Mouse::getPointerShape(ComPtr<IMousePointerShape> &aPointerShape)
411	{
412	HRESULT hr = S_OK;
413
414	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
415
416	if (mPointerShape.isNull())
417	{
418	ComObjPtr<MousePointerShape> obj;
419	hr = obj.createObject();
420	if (SUCCEEDED(hr))
421	{
422	hr = obj->init(this, mPointerData.fVisible, mPointerData.fAlpha,
423	mPointerData.hotX, mPointerData.hotY,
424	mPointerData.width, mPointerData.height,
425	mPointerData.pu8Shape, mPointerData.cbShape);
426	}
427
428	if (SUCCEEDED(hr))
429	{
430	mPointerShape = obj;
431	}
432	}
433
434	if (SUCCEEDED(hr))
435	{
436	aPointerShape = mPointerShape;
437	}
438
439	return hr;
440	}
441
442	// IMouse methods
443	/////////////////////////////////////////////////////////////////////////////
444
445	/** Converts a bitfield containing information about mouse buttons currently
446	* held down from the format used by the front-end to the format used by PDM
447	* and the emulated pointing devices. */
448	static uint32_t i_mouseButtonsToPDM(LONG buttonState)
449	{
450	uint32_t fButtons = 0;
451	if (buttonState & MouseButtonState_LeftButton)
452	fButtons \|= PDMIMOUSEPORT_BUTTON_LEFT;
453	if (buttonState & MouseButtonState_RightButton)
454	fButtons \|= PDMIMOUSEPORT_BUTTON_RIGHT;
455	if (buttonState & MouseButtonState_MiddleButton)
456	fButtons \|= PDMIMOUSEPORT_BUTTON_MIDDLE;
457	if (buttonState & MouseButtonState_XButton1)
458	fButtons \|= PDMIMOUSEPORT_BUTTON_X1;
459	if (buttonState & MouseButtonState_XButton2)
460	fButtons \|= PDMIMOUSEPORT_BUTTON_X2;
461	return fButtons;
462	}
463
464	HRESULT Mouse::getEventSource(ComPtr<IEventSource> &aEventSource)
465	{
466	// no need to lock - lifetime constant
467	mEventSource.queryInterfaceTo(aEventSource.asOutParam());
468	return S_OK;
469	}
470
471	/**
472	* Send a relative pointer event to the relative device we deem most
473	* appropriate.
474	*
475	* @returns COM status code
476	*/
477	HRESULT Mouse::i_reportRelEventToMouseDev(int32_t dx, int32_t dy, int32_t dz,
478	int32_t dw, uint32_t fButtons)
479	{
480	if (dx \|\| dy \|\| dz \|\| dw \|\| fButtons != mfLastButtons)
481	{
482	PPDMIMOUSEPORT pUpPort = NULL;
483	{
484	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
485
486	for (unsigned i = 0; !pUpPort && i < MOUSE_MAX_DEVICES; ++i)
487	{
488	if (mpDrv[i] && (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_RELATIVE))
489	pUpPort = mpDrv[i]->pUpPort;
490	}
491	}
492	if (!pUpPort)
493	return S_OK;
494
495	int vrc = pUpPort->pfnPutEvent(pUpPort, dx, dy, dz, dw, fButtons);
496
497	if (RT_FAILURE(vrc))
498	return setError(VBOX_E_IPRT_ERROR,
499	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
500	vrc);
501	mfLastButtons = fButtons;
502	}
503	return S_OK;
504	}
505
506
507	/**
508	* Send an absolute pointer event to the emulated absolute device we deem most
509	* appropriate.
510	*
511	* @returns COM status code
512	*/
513	HRESULT Mouse::i_reportAbsEventToMouseDev(int32_t x, int32_t y,
514	int32_t dz, int32_t dw, uint32_t fButtons)
515	{
516	if ( x < VMMDEV_MOUSE_RANGE_MIN
517	\|\| x > VMMDEV_MOUSE_RANGE_MAX)
518	return S_OK;
519	if ( y < VMMDEV_MOUSE_RANGE_MIN
520	\|\| y > VMMDEV_MOUSE_RANGE_MAX)
521	return S_OK;
522	if ( x != mcLastX \|\| y != mcLastY
523	\|\| dz \|\| dw \|\| fButtons != mfLastButtons)
524	{
525	PPDMIMOUSEPORT pUpPort = NULL;
526	{
527	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
528
529	for (unsigned i = 0; !pUpPort && i < MOUSE_MAX_DEVICES; ++i)
530	{
531	if (mpDrv[i] && (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_ABSOLUTE))
532	pUpPort = mpDrv[i]->pUpPort;
533	}
534	}
535	if (!pUpPort)
536	return S_OK;
537
538	int vrc = pUpPort->pfnPutEventAbs(pUpPort, x, y, dz,
539	dw, fButtons);
540	if (RT_FAILURE(vrc))
541	return setError(VBOX_E_IPRT_ERROR,
542	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
543	vrc);
544	mfLastButtons = fButtons;
545
546	}
547	return S_OK;
548	}
549
550	HRESULT Mouse::i_reportMultiTouchEventToDevice(uint8_t cContacts,
551	const uint64_t *pau64Contacts,
552	uint32_t u32ScanTime)
553	{
554	HRESULT hrc = S_OK;
555
556	PPDMIMOUSEPORT pUpPort = NULL;
557	{
558	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
559
560	unsigned i;
561	for (i = 0; i < MOUSE_MAX_DEVICES; ++i)
562	{
563	if ( mpDrv[i]
564	&& (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_MULTI_TOUCH))
565	{
566	pUpPort = mpDrv[i]->pUpPort;
567	break;
568	}
569	}
570	}
571
572	if (pUpPort)
573	{
574	int vrc = pUpPort->pfnPutEventMultiTouch(pUpPort, cContacts, pau64Contacts, u32ScanTime);
575	if (RT_FAILURE(vrc))
576	hrc = setError(VBOX_E_IPRT_ERROR,
577	tr("Could not send the multi-touch event to the virtual device (%Rrc)"),
578	vrc);
579	}
580	else
581	{
582	hrc = E_UNEXPECTED;
583	}
584
585	return hrc;
586	}
587
588
589	/**
590	* Send an absolute position event to the VMM device.
591	* @note all calls out of this object are made with no locks held!
592	*
593	* @returns COM status code
594	*/
595	HRESULT Mouse::i_reportAbsEventToVMMDev(int32_t x, int32_t y)
596	{
597	VMMDevMouseInterface *pVMMDev = mParent->i_getVMMDevMouseInterface();
598	ComAssertRet(pVMMDev, E_FAIL);
599	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
600	ComAssertRet(pVMMDevPort, E_FAIL);
601
602	if (x != mcLastX \|\| y != mcLastY)
603	{
604	int vrc = pVMMDevPort->pfnSetAbsoluteMouse(pVMMDevPort,
605	x, y);
606	if (RT_FAILURE(vrc))
607	return setError(VBOX_E_IPRT_ERROR,
608	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
609	vrc);
610	}
611	return S_OK;
612	}
613
614
615	/**
616	* Send an absolute pointer event to a pointing device (the VMM device if
617	* possible or whatever emulated absolute device seems best to us if not).
618	*
619	* @returns COM status code
620	*/
621	HRESULT Mouse::i_reportAbsEvent(int32_t x, int32_t y,
622	int32_t dz, int32_t dw, uint32_t fButtons,
623	bool fUsesVMMDevEvent)
624	{
625	HRESULT rc;
626	/** If we are using the VMMDev to report absolute position but without
627	* VMMDev IRQ support then we need to send a small "jiggle" to the emulated
628	* relative mouse device to alert the guest to changes. */
629	LONG cJiggle = 0;
630
631	if (i_vmmdevCanAbs())
632	{
633	/*
634	* Send the absolute mouse position to the VMM device.
635	*/
636	if (x != mcLastX \|\| y != mcLastY)
637	{
638	rc = i_reportAbsEventToVMMDev(x, y);
639	cJiggle = !fUsesVMMDevEvent;
640	}
641	rc = i_reportRelEventToMouseDev(cJiggle, 0, dz, dw, fButtons);
642	}
643	else
644	rc = i_reportAbsEventToMouseDev(x, y, dz, dw, fButtons);
645
646	mcLastX = x;
647	mcLastY = y;
648	return rc;
649	}
650
651	void Mouse::i_fireMouseEvent(bool fAbsolute, LONG x, LONG y, LONG dz, LONG dw,
652	LONG fButtons)
653	{
654	/* If mouse button is pressed, we generate new event, to avoid reusable events coalescing and thus
655	dropping key press events */
656	GuestMouseEventMode_T mode;
657	if (fAbsolute)
658	mode = GuestMouseEventMode_Absolute;
659	else
660	mode = GuestMouseEventMode_Relative;
661
662	if (fButtons != 0)
663	{
664	VBoxEventDesc evDesc;
665	evDesc.init(mEventSource, VBoxEventType_OnGuestMouse, mode, x, y,
666	dz, dw, fButtons);
667	evDesc.fire(0);
668	}
669	else
670	{
671	mMouseEvent.reinit(VBoxEventType_OnGuestMouse, mode, x, y, dz, dw,
672	fButtons);
673	mMouseEvent.fire(0);
674	}
675	}
676
677	void Mouse::i_fireMultiTouchEvent(uint8_t cContacts,
678	const LONG64 *paContacts,
679	uint32_t u32ScanTime)
680	{
681	com::SafeArray<SHORT> xPositions(cContacts);
682	com::SafeArray<SHORT> yPositions(cContacts);
683	com::SafeArray<USHORT> contactIds(cContacts);
684	com::SafeArray<USHORT> contactFlags(cContacts);
685
686	uint8_t i;
687	for (i = 0; i < cContacts; i++)
688	{
689	uint32_t u32Lo = RT_LO_U32(paContacts[i]);
690	uint32_t u32Hi = RT_HI_U32(paContacts[i]);
691	xPositions[i] = (int16_t)u32Lo;
692	yPositions[i] = (int16_t)(u32Lo >> 16);
693	contactIds[i] = RT_BYTE1(u32Hi);
694	contactFlags[i] = RT_BYTE2(u32Hi);
695	}
696
697	VBoxEventDesc evDesc;
698	evDesc.init(mEventSource, VBoxEventType_OnGuestMultiTouch,
699	cContacts, ComSafeArrayAsInParam(xPositions), ComSafeArrayAsInParam(yPositions),
700	ComSafeArrayAsInParam(contactIds), ComSafeArrayAsInParam(contactFlags), u32ScanTime);
701	evDesc.fire(0);
702	}
703
704	/**
705	* Send a relative mouse event to the guest.
706	* @note the VMMDev capability change is so that the guest knows we are sending
707	* real events over the PS/2 device and not dummy events to signal the
708	* arrival of new absolute pointer data
709	*
710	* @returns COM status code
711	* @param dx X movement
712	* @param dy Y movement
713	* @param dz Z movement
714	* @param fButtons The mouse button state
715	*/
716	HRESULT Mouse::putMouseEvent(LONG dx, LONG dy, LONG dz, LONG dw,
717	LONG aButtonState)
718	{
719	HRESULT rc;
720	uint32_t fButtonsAdj;
721
722	LogRel3(("%s: dx=%d, dy=%d, dz=%d, dw=%d\n", __PRETTY_FUNCTION__,
723	dx, dy, dz, dw));
724
725	fButtonsAdj = i_mouseButtonsToPDM(aButtonState);
726	/* Make sure that the guest knows that we are sending real movement
727	* events to the PS/2 device and not just dummy wake-up ones. */
728	i_updateVMMDevMouseCaps(0, VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE);
729	rc = i_reportRelEventToMouseDev(dx, dy, dz, dw, fButtonsAdj);
730
731	i_fireMouseEvent(false, dx, dy, dz, dw, aButtonState);
732
733	return rc;
734	}
735
736	/**
737	* Convert an (X, Y) value pair in screen co-ordinates (starting from 1) to a
738	* value from VMMDEV_MOUSE_RANGE_MIN to VMMDEV_MOUSE_RANGE_MAX. Sets the
739	* optional validity value to false if the pair is not on an active screen and
740	* to true otherwise.
741	* @note since guests with recent versions of X.Org use a different method
742	* to everyone else to map the valuator value to a screen pixel (they
743	* multiply by the screen dimension, do a floating point divide by
744	* the valuator maximum and round the result, while everyone else
745	* does truncating integer operations) we adjust the value we send
746	* so that it maps to the right pixel both when the result is rounded
747	* and when it is truncated.
748	*
749	* @returns COM status value
750	*/
751	HRESULT Mouse::i_convertDisplayRes(LONG x, LONG y, int32_t pxAdj, int32_t pyAdj,
752	bool *pfValid)
753	{
754	AssertPtrReturn(pxAdj, E_POINTER);
755	AssertPtrReturn(pyAdj, E_POINTER);
756	AssertPtrNullReturn(pfValid, E_POINTER);
757	DisplayMouseInterface *pDisplay = mParent->i_getDisplayMouseInterface();
758	ComAssertRet(pDisplay, E_FAIL);
759	/** The amount to add to the result (multiplied by the screen width/height)
760	* to compensate for differences in guest methods for mapping back to
761	* pixels */
762	enum { ADJUST_RANGE = - 3 * VMMDEV_MOUSE_RANGE / 4 };
763
764	if (pfValid)
765	*pfValid = true;
766	if (!(mfVMMDevGuestCaps & VMMDEV_MOUSE_NEW_PROTOCOL))
767	{
768	ULONG displayWidth, displayHeight;
769	ULONG ulDummy;
770	LONG lDummy;
771	/* Takes the display lock */
772	HRESULT rc = pDisplay->i_getScreenResolution(0, &displayWidth,
773	&displayHeight, &ulDummy, &lDummy, &lDummy);
774	if (FAILED(rc))
775	return rc;
776
777	pxAdj = displayWidth ? (x VMMDEV_MOUSE_RANGE + ADJUST_RANGE)
778	/ (LONG) displayWidth: 0;
779	pyAdj = displayHeight ? (y VMMDEV_MOUSE_RANGE + ADJUST_RANGE)
780	/ (LONG) displayHeight: 0;
781	}
782	else
783	{
784	int32_t x1, y1, x2, y2;
785	/* Takes the display lock */
786	pDisplay->i_getFramebufferDimensions(&x1, &y1, &x2, &y2);
787	pxAdj = x1 < x2 ? ((x - x1) VMMDEV_MOUSE_RANGE + ADJUST_RANGE)
788	/ (x2 - x1) : 0;
789	pyAdj = y1 < y2 ? ((y - y1) VMMDEV_MOUSE_RANGE + ADJUST_RANGE)
790	/ (y2 - y1) : 0;
791	if ( *pxAdj < VMMDEV_MOUSE_RANGE_MIN
792	\|\| *pxAdj > VMMDEV_MOUSE_RANGE_MAX
793	\|\| *pyAdj < VMMDEV_MOUSE_RANGE_MIN
794	\|\| *pyAdj > VMMDEV_MOUSE_RANGE_MAX)
795	if (pfValid)
796	*pfValid = false;
797	}
798	return S_OK;
799	}
800
801
802	/**
803	* Send an absolute mouse event to the VM. This requires either VirtualBox-
804	* specific drivers installed in the guest or absolute pointing device
805	* emulation.
806	* @note the VMMDev capability change is so that the guest knows we are sending
807	* dummy events over the PS/2 device to signal the arrival of new
808	* absolute pointer data, and not pointer real movement data
809	* @note all calls out of this object are made with no locks held!
810	*
811	* @returns COM status code
812	* @param x X position (pixel), starting from 1
813	* @param y Y position (pixel), starting from 1
814	* @param dz Z movement
815	* @param fButtons The mouse button state
816	*/
817	HRESULT Mouse::putMouseEventAbsolute(LONG x, LONG y, LONG dz, LONG dw,
818	LONG aButtonState)
819	{
820	LogRel3(("%s: x=%d, y=%d, dz=%d, dw=%d, fButtons=0x%x\n",
821	__PRETTY_FUNCTION__, x, y, dz, dw, aButtonState));
822
823	int32_t xAdj, yAdj;
824	uint32_t fButtonsAdj;
825	bool fValid;
826
827	/** @todo the front end should do this conversion to avoid races */
828	/** @note Or maybe not... races are pretty inherent in everything done in
829	* this object and not really bad as far as I can see. */
830	HRESULT rc = i_convertDisplayRes(x, y, &xAdj, &yAdj, &fValid);
831	if (FAILED(rc)) return rc;
832
833	fButtonsAdj = i_mouseButtonsToPDM(aButtonState);
834	/* If we are doing old-style (IRQ-less) absolute reporting to the VMM
835	* device then make sure the guest is aware of it, so that it knows to
836	* ignore relative movement on the PS/2 device. */
837	i_updateVMMDevMouseCaps(VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE, 0);
838	if (fValid)
839	{
840	rc = i_reportAbsEvent(xAdj, yAdj, dz, dw, fButtonsAdj,
841	RT_BOOL( mfVMMDevGuestCaps
842	& VMMDEV_MOUSE_NEW_PROTOCOL));
843
844	i_fireMouseEvent(true, x, y, dz, dw, aButtonState);
845	}
846
847	return rc;
848	}
849
850	/**
851	* Send a multi-touch event. This requires multi-touch pointing device emulation.
852	* @note all calls out of this object are made with no locks held!
853	*
854	* @returns COM status code.
855	* @param aCount Number of contacts.
856	* @param aContacts Information about each contact.
857	* @param aScanTime Timestamp.
858	*/
859	HRESULT Mouse::putEventMultiTouch(LONG aCount,
860	const std::vector<LONG64> &aContacts,
861	ULONG aScanTime)
862	{
863	com::SafeArray <LONG64> arrayContacts(aContacts);
864
865	LogRel3(("%s: aCount %d(actual %d), aScanTime %u\n",
866	__FUNCTION__, aCount, arrayContacts.size(), aScanTime));
867
868	HRESULT rc = S_OK;
869
870	if ((LONG)arrayContacts.size() >= aCount)
871	{
872	LONG64* paContacts = arrayContacts.raw();
873
874	rc = i_putEventMultiTouch(aCount, paContacts, aScanTime);
875	}
876	else
877	{
878	rc = E_INVALIDARG;
879	}
880
881	return rc;
882	}
883
884	/**
885	* Send a multi-touch event. Version for scripting languages.
886	*
887	* @returns COM status code.
888	* @param aCount Number of contacts.
889	* @param aContacts Information about each contact.
890	* @param aScanTime Timestamp.
891	*/
892	HRESULT Mouse::putEventMultiTouchString(LONG aCount,
893	const com::Utf8Str &aContacts,
894	ULONG aScanTime)
895	{
896	/** @todo implement: convert the string to LONG64 array and call putEventMultiTouch. */
897	NOREF(aCount);
898	NOREF(aContacts);
899	NOREF(aScanTime);
900	return E_NOTIMPL;
901	}
902
903
904	// private methods
905	/////////////////////////////////////////////////////////////////////////////
906
907	/* Used by PutEventMultiTouch and PutEventMultiTouchString. */
908	HRESULT Mouse::i_putEventMultiTouch(LONG aCount,
909	LONG64 *paContacts,
910	ULONG aScanTime)
911	{
912	if (aCount >= 256)
913	{
914	return E_INVALIDARG;
915	}
916
917	DisplayMouseInterface *pDisplay = mParent->i_getDisplayMouseInterface();
918	ComAssertRet(pDisplay, E_FAIL);
919
920	/* Touch events are mapped to the primary monitor, because the emulated USB
921	* touchscreen device is associated with one (normally the primary) screen in the guest.
922	*/
923	ULONG uScreenId = 0;
924
925	ULONG cWidth = 0;
926	ULONG cHeight = 0;
927	ULONG cBPP = 0;
928	LONG xOrigin = 0;
929	LONG yOrigin = 0;
930	HRESULT rc = pDisplay->i_getScreenResolution(uScreenId, &cWidth, &cHeight, &cBPP, &xOrigin, &yOrigin);
931	NOREF(cBPP);
932	ComAssertComRCRetRC(rc);
933
934	uint64_t* pau64Contacts = NULL;
935	uint8_t cContacts = 0;
936
937	/* Deliver 0 contacts too, touch device may use this to reset the state. */
938	if (aCount > 0)
939	{
940	/* Create a copy with converted coords. */
941	pau64Contacts = (uint64_t )RTMemTmpAlloc(aCount sizeof(uint64_t));
942	if (pau64Contacts)
943	{
944	int32_t x1 = xOrigin;
945	int32_t y1 = yOrigin;
946	int32_t x2 = x1 + cWidth;
947	int32_t y2 = y1 + cHeight;
948
949	LogRel3(("%s: screen [%d] %d,%d %d,%d\n",
950	__FUNCTION__, uScreenId, x1, y1, x2, y2));
951
952	LONG i;
953	for (i = 0; i < aCount; i++)
954	{
955	uint32_t u32Lo = RT_LO_U32(paContacts[i]);
956	uint32_t u32Hi = RT_HI_U32(paContacts[i]);
957	int32_t x = (int16_t)u32Lo;
958	int32_t y = (int16_t)(u32Lo >> 16);
959	uint8_t contactId = RT_BYTE1(u32Hi);
960	bool fInContact = (RT_BYTE2(u32Hi) & 0x1) != 0;
961	bool fInRange = (RT_BYTE2(u32Hi) & 0x2) != 0;
962
963	LogRel3(("%s: [%d] %d,%d id %d, inContact %d, inRange %d\n",
964	__FUNCTION__, i, x, y, contactId, fInContact, fInRange));
965
966	/* x1,y1 are inclusive and x2,y2 are exclusive,
967	* while x,y start from 1 and are inclusive.
968	*/
969	if (x <= x1 \|\| x > x2 \|\| y <= y1 \|\| y > y2)
970	{
971	/* Out of range. Skip the contact. */
972	continue;
973	}
974
975	int32_t xAdj = x1 < x2? ((x - 1 - x1) * VMMDEV_MOUSE_RANGE) / (x2 - x1) : 0;
976	int32_t yAdj = y1 < y2? ((y - 1 - y1) * VMMDEV_MOUSE_RANGE) / (y2 - y1) : 0;
977
978	bool fValid = ( xAdj >= VMMDEV_MOUSE_RANGE_MIN
979	&& xAdj <= VMMDEV_MOUSE_RANGE_MAX
980	&& yAdj >= VMMDEV_MOUSE_RANGE_MIN
981	&& yAdj <= VMMDEV_MOUSE_RANGE_MAX);
982
983	if (fValid)
984	{
985	uint8_t fu8 = (fInContact? 0x01: 0x00)
986	\| (fInRange? 0x02: 0x00);
987	pau64Contacts[cContacts] = RT_MAKE_U64_FROM_U16((uint16_t)xAdj,
988	(uint16_t)yAdj,
989	RT_MAKE_U16(contactId, fu8),
990	0);
991	cContacts++;
992	}
993	}
994	}
995	else
996	{
997	rc = E_OUTOFMEMORY;
998	}
999	}
1000
1001	if (SUCCEEDED(rc))
1002	{
1003	rc = i_reportMultiTouchEventToDevice(cContacts, cContacts? pau64Contacts: NULL, (uint32_t)aScanTime);
1004
1005	/* Send the original contact information. */
1006	i_fireMultiTouchEvent(cContacts, cContacts? paContacts: NULL, (uint32_t)aScanTime);
1007	}
1008
1009	RTMemTmpFree(pau64Contacts);
1010
1011	return rc;
1012	}
1013
1014
1015	/** Does the guest currently rely on the host to draw the mouse cursor or
1016	* can it switch to doing it itself in software? */
1017	bool Mouse::i_guestNeedsHostCursor(void)
1018	{
1019	return RT_BOOL(mfVMMDevGuestCaps & VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR);
1020	}
1021
1022
1023	/** Check what sort of reporting can be done using the devices currently
1024	* enabled. Does not consider the VMM device. */
1025	void Mouse::i_getDeviceCaps(bool pfAbs, bool pfRel, bool *pfMT)
1026	{
1027	bool fAbsDev = false;
1028	bool fRelDev = false;
1029	bool fMTDev = false;
1030
1031	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
1032
1033	for (unsigned i = 0; i < MOUSE_MAX_DEVICES; ++i)
1034	if (mpDrv[i])
1035	{
1036	if (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_ABSOLUTE)
1037	fAbsDev = true;
1038	if (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_RELATIVE)
1039	fRelDev = true;
1040	if (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_MULTI_TOUCH)
1041	fMTDev = true;
1042	}
1043	if (pfAbs)
1044	*pfAbs = fAbsDev;
1045	if (pfRel)
1046	*pfRel = fRelDev;
1047	if (pfMT)
1048	*pfMT = fMTDev;
1049	}
1050
1051
1052	/** Does the VMM device currently support absolute reporting? */
1053	bool Mouse::i_vmmdevCanAbs(void)
1054	{
1055	bool fRelDev;
1056
1057	i_getDeviceCaps(NULL, &fRelDev, NULL);
1058	return (mfVMMDevGuestCaps & VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE)
1059	&& fRelDev;
1060	}
1061
1062
1063	/** Does the VMM device currently support absolute reporting? */
1064	bool Mouse::i_deviceCanAbs(void)
1065	{
1066	bool fAbsDev;
1067
1068	i_getDeviceCaps(&fAbsDev, NULL, NULL);
1069	return fAbsDev;
1070	}
1071
1072
1073	/** Can we currently send relative events to the guest? */
1074	bool Mouse::i_supportsRel(void)
1075	{
1076	bool fRelDev;
1077
1078	i_getDeviceCaps(NULL, &fRelDev, NULL);
1079	return fRelDev;
1080	}
1081
1082
1083	/** Can we currently send absolute events to the guest? */
1084	bool Mouse::i_supportsAbs(void)
1085	{
1086	bool fAbsDev;
1087
1088	i_getDeviceCaps(&fAbsDev, NULL, NULL);
1089	return fAbsDev \|\| i_vmmdevCanAbs();
1090	}
1091
1092
1093	/** Can we currently send absolute events to the guest? */
1094	bool Mouse::i_supportsMT(void)
1095	{
1096	bool fMTDev;
1097
1098	i_getDeviceCaps(NULL, NULL, &fMTDev);
1099	return fMTDev;
1100	}
1101
1102
1103	/** Check what sort of reporting can be done using the devices currently
1104	* enabled (including the VMM device) and notify the guest and the front-end.
1105	*/
1106	void Mouse::i_sendMouseCapsNotifications(void)
1107	{
1108	bool fAbsDev, fRelDev, fMTDev, fCanAbs, fNeedsHostCursor;
1109
1110	{
1111	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
1112
1113	i_getDeviceCaps(&fAbsDev, &fRelDev, &fMTDev);
1114	fCanAbs = i_supportsAbs();
1115	fNeedsHostCursor = i_guestNeedsHostCursor();
1116	}
1117	if (fAbsDev)
1118	i_updateVMMDevMouseCaps(VMMDEV_MOUSE_HOST_HAS_ABS_DEV, 0);
1119	else
1120	i_updateVMMDevMouseCaps(0, VMMDEV_MOUSE_HOST_HAS_ABS_DEV);
1121	/** @todo this call takes the Console lock in order to update the cached
1122	* callback data atomically. However I can't see any sign that the cached
1123	* data is ever used again. */
1124	mParent->i_onMouseCapabilityChange(fCanAbs, fRelDev, fMTDev, fNeedsHostCursor);
1125	}
1126
1127
1128	/**
1129	* @interface_method_impl{PDMIMOUSECONNECTOR,pfnReportModes}
1130	* A virtual device is notifying us about its current state and capabilities
1131	*/
1132	DECLCALLBACK(void) Mouse::i_mouseReportModes(PPDMIMOUSECONNECTOR pInterface, bool fRel, bool fAbs, bool fMT)
1133	{
1134	PDRVMAINMOUSE pDrv = RT_FROM_MEMBER(pInterface, DRVMAINMOUSE, IConnector);
1135	if (fRel)
1136	pDrv->u32DevCaps \|= MOUSE_DEVCAP_RELATIVE;
1137	else
1138	pDrv->u32DevCaps &= ~MOUSE_DEVCAP_RELATIVE;
1139	if (fAbs)
1140	pDrv->u32DevCaps \|= MOUSE_DEVCAP_ABSOLUTE;
1141	else
1142	pDrv->u32DevCaps &= ~MOUSE_DEVCAP_ABSOLUTE;
1143	if (fMT)
1144	pDrv->u32DevCaps \|= MOUSE_DEVCAP_MULTI_TOUCH;
1145	else
1146	pDrv->u32DevCaps &= ~MOUSE_DEVCAP_MULTI_TOUCH;
1147
1148	pDrv->pMouse->i_sendMouseCapsNotifications();
1149	}
1150
1151
1152	/**
1153	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
1154	*/
1155	DECLCALLBACK(void ) Mouse::i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
1156	{
1157	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
1158	PDRVMAINMOUSE pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
1159
1160	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
1161	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUSECONNECTOR, &pDrv->IConnector);
1162	return NULL;
1163	}
1164
1165
1166	/**
1167	* Destruct a mouse driver instance.
1168	*
1169	* @returns VBox status.
1170	* @param pDrvIns The driver instance data.
1171	*/
1172	DECLCALLBACK(void) Mouse::i_drvDestruct(PPDMDRVINS pDrvIns)
1173	{
1174	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
1175	PDRVMAINMOUSE pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
1176	LogFlow(("Mouse::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
1177
1178	if (pThis->pMouse)
1179	{
1180	AutoWriteLock mouseLock(pThis->pMouse COMMA_LOCKVAL_SRC_POS);
1181	for (unsigned cDev = 0; cDev < MOUSE_MAX_DEVICES; ++cDev)
1182	if (pThis->pMouse->mpDrv[cDev] == pThis)
1183	{
1184	pThis->pMouse->mpDrv[cDev] = NULL;
1185	break;
1186	}
1187	}
1188	}
1189
1190
1191	/**
1192	* Construct a mouse driver instance.
1193	*
1194	* @copydoc FNPDMDRVCONSTRUCT
1195	*/
1196	DECLCALLBACK(int) Mouse::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
1197	{
1198	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
1199	PDRVMAINMOUSE pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
1200	LogFlow(("drvMainMouse_Construct: iInstance=%d\n", pDrvIns->iInstance));
1201
1202	/*
1203	* Validate configuration.
1204	*/
1205	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
1206	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
1207	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
1208	("Configuration error: Not possible to attach anything to this driver!\n"),
1209	VERR_PDM_DRVINS_NO_ATTACH);
1210
1211	/*
1212	* IBase.
1213	*/
1214	pDrvIns->IBase.pfnQueryInterface = Mouse::i_drvQueryInterface;
1215
1216	pThis->IConnector.pfnReportModes = Mouse::i_mouseReportModes;
1217
1218	/*
1219	* Get the IMousePort interface of the above driver/device.
1220	*/
1221	pThis->pUpPort = (PPDMIMOUSEPORT)pDrvIns->pUpBase->pfnQueryInterface(pDrvIns->pUpBase, PDMIMOUSEPORT_IID);
1222	if (!pThis->pUpPort)
1223	{
1224	AssertMsgFailed(("Configuration error: No mouse port interface above!\n"));
1225	return VERR_PDM_MISSING_INTERFACE_ABOVE;
1226	}
1227
1228	/*
1229	* Get the Mouse object pointer and update the mpDrv member.
1230	*/
1231	void *pv;
1232	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
1233	if (RT_FAILURE(rc))
1234	{
1235	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
1236	return rc;
1237	}
1238	pThis->pMouse = (Mouse )pv; /* @todo Check this cast! */
1239	unsigned cDev;
1240	{
1241	AutoReadLock mouseLock(pThis->pMouse COMMA_LOCKVAL_SRC_POS);
1242
1243	for (cDev = 0; cDev < MOUSE_MAX_DEVICES; ++cDev)
1244	if (!pThis->pMouse->mpDrv[cDev])
1245	{
1246	pThis->pMouse->mpDrv[cDev] = pThis;
1247	break;
1248	}
1249	}
1250	if (cDev == MOUSE_MAX_DEVICES)
1251	return VERR_NO_MORE_HANDLES;
1252
1253	return VINF_SUCCESS;
1254	}
1255
1256
1257	/**
1258	* Main mouse driver registration record.
1259	*/
1260	const PDMDRVREG Mouse::DrvReg =
1261	{
1262	/* u32Version */
1263	PDM_DRVREG_VERSION,
1264	/* szName */
1265	"MainMouse",
1266	/* szRCMod */
1267	"",
1268	/* szR0Mod */
1269	"",
1270	/* pszDescription */
1271	"Main mouse driver (Main as in the API).",
1272	/* fFlags */
1273	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
1274	/* fClass. */
1275	PDM_DRVREG_CLASS_MOUSE,
1276	/* cMaxInstances */
1277	~0U,
1278	/* cbInstance */
1279	sizeof(DRVMAINMOUSE),
1280	/* pfnConstruct */
1281	Mouse::i_drvConstruct,
1282	/* pfnDestruct */
1283	Mouse::i_drvDestruct,
1284	/* pfnRelocate */
1285	NULL,
1286	/* pfnIOCtl */
1287	NULL,
1288	/* pfnPowerOn */
1289	NULL,
1290	/* pfnReset */
1291	NULL,
1292	/* pfnSuspend */
1293	NULL,
1294	/* pfnResume */
1295	NULL,
1296	/* pfnAttach */
1297	NULL,
1298	/* pfnDetach */
1299	NULL,
1300	/* pfnPowerOff */
1301	NULL,
1302	/* pfnSoftReset */
1303	NULL,
1304	/* u32EndVersion */
1305	PDM_DRVREG_VERSION
1306	};
1307	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/MouseImpl.cpp@ 52921

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