MouseImpl.cpp@ 93622

Last change on this file since 93622 was 93444, checked in by vboxsync, 3 years ago
VMM,Main,HostServices: Use a function table for accessing the VBoxVMM.dll/so/dylib functionality, and load it dynamically when the Console object is initialized. Also converted a few drivers in Main to use device helpers to get config values and such. bugref:10074
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 39.4 KB

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1	/* $Id: MouseImpl.cpp 93444 2022-01-26 18:01:15Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 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	#define LOG_GROUP LOG_GROUP_MAIN_MOUSE
19	#include "LoggingNew.h"
20
21	#include <iprt/cpp/utils.h>
22
23	#include "MouseImpl.h"
24	#include "DisplayImpl.h"
25	#include "VMMDev.h"
26	#include "MousePointerShapeWrap.h"
27	#include "VBoxEvents.h"
28
29	#include <VBox/vmm/pdmdrv.h>
30	#include <VBox/VMMDev.h>
31	#include <VBox/err.h>
32
33
34	class ATL_NO_VTABLE MousePointerShape:
35	public MousePointerShapeWrap
36	{
37	public:
38
39	DECLARE_COMMON_CLASS_METHODS(MousePointerShape)
40
41	HRESULT FinalConstruct();
42	void FinalRelease();
43
44	/* Public initializer/uninitializer for internal purposes only. */
45	HRESULT init(ComObjPtr<Mouse> pMouse,
46	bool fVisible, bool fAlpha,
47	uint32_t hotX, uint32_t hotY,
48	uint32_t width, uint32_t height,
49	const uint8_t *pu8Shape, uint32_t cbShape);
50	void uninit();
51
52	private:
53	// wrapped IMousePointerShape properties
54	virtual HRESULT getVisible(BOOL *aVisible);
55	virtual HRESULT getAlpha(BOOL *aAlpha);
56	virtual HRESULT getHotX(ULONG *aHotX);
57	virtual HRESULT getHotY(ULONG *aHotY);
58	virtual HRESULT getWidth(ULONG *aWidth);
59	virtual HRESULT getHeight(ULONG *aHeight);
60	virtual HRESULT getShape(std::vector<BYTE> &aShape);
61
62	struct Data
63	{
64	ComObjPtr<Mouse> pMouse;
65	bool fVisible;
66	bool fAlpha;
67	uint32_t hotX;
68	uint32_t hotY;
69	uint32_t width;
70	uint32_t height;
71	std::vector<BYTE> shape;
72	};
73
74	Data m;
75	};
76
77	/*
78	* MousePointerShape implementation.
79	*/
80	DEFINE_EMPTY_CTOR_DTOR(MousePointerShape)
81
82	HRESULT MousePointerShape::FinalConstruct()
83	{
84	return BaseFinalConstruct();
85	}
86
87	void MousePointerShape::FinalRelease()
88	{
89	uninit();
90
91	BaseFinalRelease();
92	}
93
94	HRESULT MousePointerShape::init(ComObjPtr<Mouse> pMouse,
95	bool fVisible, bool fAlpha,
96	uint32_t hotX, uint32_t hotY,
97	uint32_t width, uint32_t height,
98	const uint8_t *pu8Shape, uint32_t cbShape)
99	{
100	LogFlowThisFunc(("v %d, a %d, h %d,%d, %dx%d, cb %d\n",
101	fVisible, fAlpha, hotX, hotY, width, height, cbShape));
102
103	/* Enclose the state transition NotReady->InInit->Ready */
104	AutoInitSpan autoInitSpan(this);
105	AssertReturn(autoInitSpan.isOk(), E_FAIL);
106
107	m.pMouse = pMouse;
108	m.fVisible = fVisible;
109	m.fAlpha = fAlpha;
110	m.hotX = hotX;
111	m.hotY = hotY;
112	m.width = width;
113	m.height = height;
114	m.shape.resize(cbShape);
115	if (cbShape)
116	{
117	memcpy(&m.shape.front(), pu8Shape, cbShape);
118	}
119
120	/* Confirm a successful initialization */
121	autoInitSpan.setSucceeded();
122
123	return S_OK;
124	}
125
126	void MousePointerShape::uninit()
127	{
128	LogFlowThisFunc(("\n"));
129
130	/* Enclose the state transition Ready->InUninit->NotReady */
131	AutoUninitSpan autoUninitSpan(this);
132	if (autoUninitSpan.uninitDone())
133	return;
134
135	m.pMouse.setNull();
136	}
137
138	HRESULT MousePointerShape::getVisible(BOOL *aVisible)
139	{
140	*aVisible = m.fVisible;
141	return S_OK;
142	}
143
144	HRESULT MousePointerShape::getAlpha(BOOL *aAlpha)
145	{
146	*aAlpha = m.fAlpha;
147	return S_OK;
148	}
149
150	HRESULT MousePointerShape::getHotX(ULONG *aHotX)
151	{
152	*aHotX = m.hotX;
153	return S_OK;
154	}
155
156	HRESULT MousePointerShape::getHotY(ULONG *aHotY)
157	{
158	*aHotY = m.hotY;
159	return S_OK;
160	}
161
162	HRESULT MousePointerShape::getWidth(ULONG *aWidth)
163	{
164	*aWidth = m.width;
165	return S_OK;
166	}
167
168	HRESULT MousePointerShape::getHeight(ULONG *aHeight)
169	{
170	*aHeight = m.height;
171	return S_OK;
172	}
173
174	HRESULT MousePointerShape::getShape(std::vector<BYTE> &aShape)
175	{
176	aShape.resize(m.shape.size());
177	if (m.shape.size())
178	memcpy(&aShape.front(), &m.shape.front(), aShape.size());
179	return S_OK;
180	}
181
182
183	/** @name Mouse device capabilities bitfield
184	* @{ */
185	enum
186	{
187	/** The mouse device can do relative reporting */
188	MOUSE_DEVCAP_RELATIVE = 1,
189	/** The mouse device can do absolute reporting */
190	MOUSE_DEVCAP_ABSOLUTE = 2,
191	/** The mouse device can do absolute reporting */
192	MOUSE_DEVCAP_MULTI_TOUCH = 4
193	};
194	/** @} */
195
196
197	/**
198	* Mouse driver instance data.
199	*/
200	struct DRVMAINMOUSE
201	{
202	/** Pointer to the mouse object. */
203	Mouse *pMouse;
204	/** Pointer to the driver instance structure. */
205	PPDMDRVINS pDrvIns;
206	/** Pointer to the mouse port interface of the driver/device above us. */
207	PPDMIMOUSEPORT pUpPort;
208	/** Our mouse connector interface. */
209	PDMIMOUSECONNECTOR IConnector;
210	/** The capabilities of this device. */
211	uint32_t u32DevCaps;
212	};
213
214
215	// constructor / destructor
216	/////////////////////////////////////////////////////////////////////////////
217
218	Mouse::Mouse()
219	: mParent(NULL)
220	{
221	}
222
223	Mouse::~Mouse()
224	{
225	}
226
227
228	HRESULT Mouse::FinalConstruct()
229	{
230	RT_ZERO(mpDrv);
231	RT_ZERO(mPointerData);
232	mcLastX = 0x8000;
233	mcLastY = 0x8000;
234	mfLastButtons = 0;
235	mfVMMDevGuestCaps = 0;
236	return BaseFinalConstruct();
237	}
238
239	void Mouse::FinalRelease()
240	{
241	uninit();
242	BaseFinalRelease();
243	}
244
245	// public methods only for internal purposes
246	/////////////////////////////////////////////////////////////////////////////
247
248	/**
249	* Initializes the mouse object.
250	*
251	* @returns COM result indicator
252	* @param parent handle of our parent object
253	*/
254	HRESULT Mouse::init (ConsoleMouseInterface *parent)
255	{
256	LogFlowThisFunc(("\n"));
257
258	ComAssertRet(parent, E_INVALIDARG);
259
260	/* Enclose the state transition NotReady->InInit->Ready */
261	AutoInitSpan autoInitSpan(this);
262	AssertReturn(autoInitSpan.isOk(), E_FAIL);
263
264	unconst(mParent) = parent;
265
266	unconst(mEventSource).createObject();
267	HRESULT rc = mEventSource->init();
268	AssertComRCReturnRC(rc);
269
270	ComPtr<IEvent> ptrEvent;
271	rc = ::CreateGuestMouseEvent(ptrEvent.asOutParam(), mEventSource,
272	(GuestMouseEventMode_T)0, 0 /x/, 0 /y/, 0 /z/, 0 /w/, 0 /buttons/);
273	AssertComRCReturnRC(rc);
274	mMouseEvent.init(ptrEvent, mEventSource);
275
276	/* Confirm a successful initialization */
277	autoInitSpan.setSucceeded();
278
279	return S_OK;
280	}
281
282	/**
283	* Uninitializes the instance and sets the ready flag to FALSE.
284	* Called either from FinalRelease() or by the parent when it gets destroyed.
285	*/
286	void Mouse::uninit()
287	{
288	LogFlowThisFunc(("\n"));
289
290	/* Enclose the state transition Ready->InUninit->NotReady */
291	AutoUninitSpan autoUninitSpan(this);
292	if (autoUninitSpan.uninitDone())
293	return;
294
295	for (unsigned i = 0; i < MOUSE_MAX_DEVICES; ++i)
296	{
297	if (mpDrv[i])
298	mpDrv[i]->pMouse = NULL;
299	mpDrv[i] = NULL;
300	}
301
302	mPointerShape.setNull();
303
304	RTMemFree(mPointerData.pu8Shape);
305	mPointerData.pu8Shape = NULL;
306	mPointerData.cbShape = 0;
307
308	mMouseEvent.uninit();
309	unconst(mEventSource).setNull();
310	unconst(mParent) = NULL;
311	}
312
313	void Mouse::updateMousePointerShape(bool fVisible, bool fAlpha,
314	uint32_t hotX, uint32_t hotY,
315	uint32_t width, uint32_t height,
316	const uint8_t *pu8Shape, uint32_t cbShape)
317	{
318	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
319
320	RTMemFree(mPointerData.pu8Shape);
321	mPointerData.pu8Shape = NULL;
322	mPointerData.cbShape = 0;
323
324	mPointerData.fVisible = fVisible;
325	mPointerData.fAlpha = fAlpha;
326	mPointerData.hotX = hotX;
327	mPointerData.hotY = hotY;
328	mPointerData.width = width;
329	mPointerData.height = height;
330	if (cbShape)
331	{
332	mPointerData.pu8Shape = (uint8_t *)RTMemDup(pu8Shape, cbShape);
333	if (mPointerData.pu8Shape)
334	{
335	mPointerData.cbShape = cbShape;
336	}
337	}
338
339	mPointerShape.setNull();
340	}
341
342	// IMouse properties
343	/////////////////////////////////////////////////////////////////////////////
344
345	/** Report the front-end's mouse handling capabilities to the VMM device and
346	* thus to the guest.
347	* @note all calls out of this object are made with no locks held! */
348	HRESULT Mouse::i_updateVMMDevMouseCaps(uint32_t fCapsAdded,
349	uint32_t fCapsRemoved)
350	{
351	VMMDevMouseInterface *pVMMDev = mParent->i_getVMMDevMouseInterface();
352	if (!pVMMDev)
353	return E_FAIL; /* No assertion, as the front-ends can send events
354	* at all sorts of inconvenient times. */
355	DisplayMouseInterface *pDisplay = mParent->i_getDisplayMouseInterface();
356	if (pDisplay == NULL)
357	return E_FAIL;
358	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
359	if (!pVMMDevPort)
360	return E_FAIL; /* same here */
361
362	int rc = pVMMDevPort->pfnUpdateMouseCapabilities(pVMMDevPort, fCapsAdded,
363	fCapsRemoved);
364	if (RT_FAILURE(rc))
365	return E_FAIL;
366	return pDisplay->i_reportHostCursorCapabilities(fCapsAdded, fCapsRemoved);
367	}
368
369	/**
370	* Returns whether the currently active device portfolio can accept absolute
371	* mouse events.
372	*
373	* @returns COM status code
374	* @param aAbsoluteSupported address of result variable
375	*/
376	HRESULT Mouse::getAbsoluteSupported(BOOL *aAbsoluteSupported)
377	{
378	*aAbsoluteSupported = i_supportsAbs();
379	return S_OK;
380	}
381
382	/**
383	* Returns whether the currently active device portfolio can accept relative
384	* mouse events.
385	*
386	* @returns COM status code
387	* @param aRelativeSupported address of result variable
388	*/
389	HRESULT Mouse::getRelativeSupported(BOOL *aRelativeSupported)
390	{
391	*aRelativeSupported = i_supportsRel();
392	return S_OK;
393	}
394
395	/**
396	* Returns whether the currently active device portfolio can accept multi-touch
397	* mouse events.
398	*
399	* @returns COM status code
400	* @param aMultiTouchSupported address of result variable
401	*/
402	HRESULT Mouse::getMultiTouchSupported(BOOL *aMultiTouchSupported)
403	{
404	*aMultiTouchSupported = i_supportsMT();
405	return S_OK;
406	}
407
408	/**
409	* Returns whether the guest can currently switch to drawing the mouse cursor
410	* itself if it is asked to by the front-end.
411	*
412	* @returns COM status code
413	* @param aNeedsHostCursor address of result variable
414	*/
415	HRESULT Mouse::getNeedsHostCursor(BOOL *aNeedsHostCursor)
416	{
417	*aNeedsHostCursor = i_guestNeedsHostCursor();
418	return S_OK;
419	}
420
421	HRESULT Mouse::getPointerShape(ComPtr<IMousePointerShape> &aPointerShape)
422	{
423	HRESULT hr = S_OK;
424
425	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
426
427	if (mPointerShape.isNull())
428	{
429	ComObjPtr<MousePointerShape> obj;
430	hr = obj.createObject();
431	if (SUCCEEDED(hr))
432	{
433	hr = obj->init(this, mPointerData.fVisible, mPointerData.fAlpha,
434	mPointerData.hotX, mPointerData.hotY,
435	mPointerData.width, mPointerData.height,
436	mPointerData.pu8Shape, mPointerData.cbShape);
437	}
438
439	if (SUCCEEDED(hr))
440	{
441	mPointerShape = obj;
442	}
443	}
444
445	if (SUCCEEDED(hr))
446	{
447	aPointerShape = mPointerShape;
448	}
449
450	return hr;
451	}
452
453	// IMouse methods
454	/////////////////////////////////////////////////////////////////////////////
455
456	/** Converts a bitfield containing information about mouse buttons currently
457	* held down from the format used by the front-end to the format used by PDM
458	* and the emulated pointing devices. */
459	static uint32_t i_mouseButtonsToPDM(LONG buttonState)
460	{
461	uint32_t fButtons = 0;
462	if (buttonState & MouseButtonState_LeftButton)
463	fButtons \|= PDMIMOUSEPORT_BUTTON_LEFT;
464	if (buttonState & MouseButtonState_RightButton)
465	fButtons \|= PDMIMOUSEPORT_BUTTON_RIGHT;
466	if (buttonState & MouseButtonState_MiddleButton)
467	fButtons \|= PDMIMOUSEPORT_BUTTON_MIDDLE;
468	if (buttonState & MouseButtonState_XButton1)
469	fButtons \|= PDMIMOUSEPORT_BUTTON_X1;
470	if (buttonState & MouseButtonState_XButton2)
471	fButtons \|= PDMIMOUSEPORT_BUTTON_X2;
472	return fButtons;
473	}
474
475	HRESULT Mouse::getEventSource(ComPtr<IEventSource> &aEventSource)
476	{
477	// no need to lock - lifetime constant
478	mEventSource.queryInterfaceTo(aEventSource.asOutParam());
479	return S_OK;
480	}
481
482	/**
483	* Send a relative pointer event to the relative device we deem most
484	* appropriate.
485	*
486	* @returns COM status code
487	*/
488	HRESULT Mouse::i_reportRelEventToMouseDev(int32_t dx, int32_t dy, int32_t dz,
489	int32_t dw, uint32_t fButtons)
490	{
491	if (dx \|\| dy \|\| dz \|\| dw \|\| fButtons != mfLastButtons)
492	{
493	PPDMIMOUSEPORT pUpPort = NULL;
494	{
495	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
496
497	for (unsigned i = 0; !pUpPort && i < MOUSE_MAX_DEVICES; ++i)
498	{
499	if (mpDrv[i] && (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_RELATIVE))
500	pUpPort = mpDrv[i]->pUpPort;
501	}
502	}
503	if (!pUpPort)
504	return S_OK;
505
506	int vrc = pUpPort->pfnPutEvent(pUpPort, dx, dy, dz, dw, fButtons);
507
508	if (RT_FAILURE(vrc))
509	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
510	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
511	vrc);
512	mfLastButtons = fButtons;
513	}
514	return S_OK;
515	}
516
517
518	/**
519	* Send an absolute pointer event to the emulated absolute device we deem most
520	* appropriate.
521	*
522	* @returns COM status code
523	*/
524	HRESULT Mouse::i_reportAbsEventToMouseDev(int32_t x, int32_t y,
525	int32_t dz, int32_t dw, uint32_t fButtons)
526	{
527	if ( x < VMMDEV_MOUSE_RANGE_MIN
528	\|\| x > VMMDEV_MOUSE_RANGE_MAX)
529	return S_OK;
530	if ( y < VMMDEV_MOUSE_RANGE_MIN
531	\|\| y > VMMDEV_MOUSE_RANGE_MAX)
532	return S_OK;
533	if ( x != mcLastX \|\| y != mcLastY
534	\|\| dz \|\| dw \|\| fButtons != mfLastButtons)
535	{
536	PPDMIMOUSEPORT pUpPort = NULL;
537	{
538	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
539
540	for (unsigned i = 0; !pUpPort && i < MOUSE_MAX_DEVICES; ++i)
541	{
542	if (mpDrv[i] && (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_ABSOLUTE))
543	pUpPort = mpDrv[i]->pUpPort;
544	}
545	}
546	if (!pUpPort)
547	return S_OK;
548
549	int vrc = pUpPort->pfnPutEventAbs(pUpPort, x, y, dz,
550	dw, fButtons);
551	if (RT_FAILURE(vrc))
552	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
553	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
554	vrc);
555	mfLastButtons = fButtons;
556
557	}
558	return S_OK;
559	}
560
561	HRESULT Mouse::i_reportMultiTouchEventToDevice(uint8_t cContacts,
562	const uint64_t *pau64Contacts,
563	uint32_t u32ScanTime)
564	{
565	HRESULT hrc = S_OK;
566
567	PPDMIMOUSEPORT pUpPort = NULL;
568	{
569	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
570
571	unsigned i;
572	for (i = 0; i < MOUSE_MAX_DEVICES; ++i)
573	{
574	if ( mpDrv[i]
575	&& (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_MULTI_TOUCH))
576	{
577	pUpPort = mpDrv[i]->pUpPort;
578	break;
579	}
580	}
581	}
582
583	if (pUpPort)
584	{
585	int vrc = pUpPort->pfnPutEventMultiTouch(pUpPort, cContacts, pau64Contacts, u32ScanTime);
586	if (RT_FAILURE(vrc))
587	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
588	tr("Could not send the multi-touch event to the virtual device (%Rrc)"),
589	vrc);
590	}
591	else
592	{
593	hrc = E_UNEXPECTED;
594	}
595
596	return hrc;
597	}
598
599
600	/**
601	* Send an absolute position event to the VMM device.
602	* @note all calls out of this object are made with no locks held!
603	*
604	* @returns COM status code
605	*/
606	HRESULT Mouse::i_reportAbsEventToVMMDev(int32_t x, int32_t y)
607	{
608	VMMDevMouseInterface *pVMMDev = mParent->i_getVMMDevMouseInterface();
609	ComAssertRet(pVMMDev, E_FAIL);
610	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
611	ComAssertRet(pVMMDevPort, E_FAIL);
612
613	if (x != mcLastX \|\| y != mcLastY)
614	{
615	int vrc = pVMMDevPort->pfnSetAbsoluteMouse(pVMMDevPort,
616	x, y);
617	if (RT_FAILURE(vrc))
618	return setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
619	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
620	vrc);
621	}
622	return S_OK;
623	}
624
625
626	/**
627	* Send an absolute pointer event to a pointing device (the VMM device if
628	* possible or whatever emulated absolute device seems best to us if not).
629	*
630	* @returns COM status code
631	*/
632	HRESULT Mouse::i_reportAbsEventToInputDevices(int32_t x, int32_t y, int32_t dz, int32_t dw, uint32_t fButtons,
633	bool fUsesVMMDevEvent)
634	{
635	HRESULT rc;
636	/** If we are using the VMMDev to report absolute position but without
637	* VMMDev IRQ support then we need to send a small "jiggle" to the emulated
638	* relative mouse device to alert the guest to changes. */
639	LONG cJiggle = 0;
640
641	if (i_vmmdevCanAbs())
642	{
643	/*
644	* Send the absolute mouse position to the VMM device.
645	*/
646	if (x != mcLastX \|\| y != mcLastY)
647	{
648	rc = i_reportAbsEventToVMMDev(x, y);
649	cJiggle = !fUsesVMMDevEvent;
650	}
651	rc = i_reportRelEventToMouseDev(cJiggle, 0, dz, dw, fButtons);
652	}
653	else
654	rc = i_reportAbsEventToMouseDev(x, y, dz, dw, fButtons);
655
656	mcLastX = x;
657	mcLastY = y;
658	return rc;
659	}
660
661
662	/**
663	* Send an absolute position event to the display device.
664	* @note all calls out of this object are made with no locks held!
665	* @param x Cursor X position in pixels relative to the first screen, where
666	* (1, 1) is the upper left corner.
667	* @param y Cursor Y position in pixels relative to the first screen, where
668	* (1, 1) is the upper left corner.
669	*/
670	HRESULT Mouse::i_reportAbsEventToDisplayDevice(int32_t x, int32_t y)
671	{
672	DisplayMouseInterface *pDisplay = mParent->i_getDisplayMouseInterface();
673	ComAssertRet(pDisplay, E_FAIL);
674
675	if (x != mcLastX \|\| y != mcLastY)
676	{
677	pDisplay->i_reportHostCursorPosition(x - 1, y - 1, false);
678	}
679	return S_OK;
680	}
681
682
683	void Mouse::i_fireMouseEvent(bool fAbsolute, LONG x, LONG y, LONG dz, LONG dw,
684	LONG fButtons)
685	{
686	/* If mouse button is pressed, we generate new event, to avoid reusable events coalescing and thus
687	dropping key press events */
688	GuestMouseEventMode_T mode;
689	if (fAbsolute)
690	mode = GuestMouseEventMode_Absolute;
691	else
692	mode = GuestMouseEventMode_Relative;
693
694	if (fButtons != 0)
695	::FireGuestMouseEvent(mEventSource, mode, x, y, dz, dw, fButtons);
696	else
697	{
698	ComPtr<IEvent> ptrEvent;
699	mMouseEvent.getEvent(ptrEvent.asOutParam());
700	ReinitGuestMouseEvent(ptrEvent, mode, x, y, dz, dw, fButtons);
701	mMouseEvent.fire(0);
702	}
703	}
704
705	void Mouse::i_fireMultiTouchEvent(uint8_t cContacts,
706	const LONG64 *paContacts,
707	uint32_t u32ScanTime)
708	{
709	com::SafeArray<SHORT> xPositions(cContacts);
710	com::SafeArray<SHORT> yPositions(cContacts);
711	com::SafeArray<USHORT> contactIds(cContacts);
712	com::SafeArray<USHORT> contactFlags(cContacts);
713
714	uint8_t i;
715	for (i = 0; i < cContacts; i++)
716	{
717	uint32_t u32Lo = RT_LO_U32(paContacts[i]);
718	uint32_t u32Hi = RT_HI_U32(paContacts[i]);
719	xPositions[i] = (int16_t)u32Lo;
720	yPositions[i] = (int16_t)(u32Lo >> 16);
721	contactIds[i] = RT_BYTE1(u32Hi);
722	contactFlags[i] = RT_BYTE2(u32Hi);
723	}
724
725	::FireGuestMultiTouchEvent(mEventSource, cContacts, ComSafeArrayAsInParam(xPositions), ComSafeArrayAsInParam(yPositions),
726	ComSafeArrayAsInParam(contactIds), ComSafeArrayAsInParam(contactFlags), u32ScanTime);
727	}
728
729	/**
730	* Send a relative mouse event to the guest.
731	* @note the VMMDev capability change is so that the guest knows we are sending
732	* real events over the PS/2 device and not dummy events to signal the
733	* arrival of new absolute pointer data
734	*
735	* @returns COM status code
736	* @param dx X movement.
737	* @param dy Y movement.
738	* @param dz Z movement.
739	* @param dw Mouse wheel movement.
740	* @param aButtonState The mouse button state.
741	*/
742	HRESULT Mouse::putMouseEvent(LONG dx, LONG dy, LONG dz, LONG dw,
743	LONG aButtonState)
744	{
745	HRESULT rc;
746	uint32_t fButtonsAdj;
747
748	LogRel3(("%s: dx=%d, dy=%d, dz=%d, dw=%d\n", __PRETTY_FUNCTION__,
749	dx, dy, dz, dw));
750
751	fButtonsAdj = i_mouseButtonsToPDM(aButtonState);
752	/* Make sure that the guest knows that we are sending real movement
753	* events to the PS/2 device and not just dummy wake-up ones. */
754	i_updateVMMDevMouseCaps(0, VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE);
755	rc = i_reportRelEventToMouseDev(dx, dy, dz, dw, fButtonsAdj);
756
757	i_fireMouseEvent(false, dx, dy, dz, dw, aButtonState);
758
759	return rc;
760	}
761
762	/**
763	* Convert an (X, Y) value pair in screen co-ordinates (starting from 1) to a
764	* value from VMMDEV_MOUSE_RANGE_MIN to VMMDEV_MOUSE_RANGE_MAX. Sets the
765	* optional validity value to false if the pair is not on an active screen and
766	* to true otherwise.
767	* @note since guests with recent versions of X.Org use a different method
768	* to everyone else to map the valuator value to a screen pixel (they
769	* multiply by the screen dimension, do a floating point divide by
770	* the valuator maximum and round the result, while everyone else
771	* does truncating integer operations) we adjust the value we send
772	* so that it maps to the right pixel both when the result is rounded
773	* and when it is truncated.
774	*
775	* @returns COM status value
776	*/
777	HRESULT Mouse::i_convertDisplayRes(LONG x, LONG y, int32_t pxAdj, int32_t pyAdj,
778	bool *pfValid)
779	{
780	AssertPtrReturn(pxAdj, E_POINTER);
781	AssertPtrReturn(pyAdj, E_POINTER);
782	AssertPtrNullReturn(pfValid, E_POINTER);
783	DisplayMouseInterface *pDisplay = mParent->i_getDisplayMouseInterface();
784	ComAssertRet(pDisplay, E_FAIL);
785	/** The amount to add to the result (multiplied by the screen width/height)
786	* to compensate for differences in guest methods for mapping back to
787	* pixels */
788	enum { ADJUST_RANGE = - 3 * VMMDEV_MOUSE_RANGE / 4 };
789
790	if (pfValid)
791	*pfValid = true;
792	if (!(mfVMMDevGuestCaps & VMMDEV_MOUSE_NEW_PROTOCOL) && !pDisplay->i_isInputMappingSet())
793	{
794	ULONG displayWidth, displayHeight;
795	ULONG ulDummy;
796	LONG lDummy;
797	/* Takes the display lock */
798	HRESULT rc = pDisplay->i_getScreenResolution(0, &displayWidth,
799	&displayHeight, &ulDummy, &lDummy, &lDummy);
800	if (FAILED(rc))
801	return rc;
802
803	pxAdj = displayWidth ? (x VMMDEV_MOUSE_RANGE + ADJUST_RANGE)
804	/ (LONG) displayWidth: 0;
805	pyAdj = displayHeight ? (y VMMDEV_MOUSE_RANGE + ADJUST_RANGE)
806	/ (LONG) displayHeight: 0;
807	}
808	else
809	{
810	int32_t x1, y1, x2, y2;
811	/* Takes the display lock */
812	pDisplay->i_getFramebufferDimensions(&x1, &y1, &x2, &y2);
813	pxAdj = x1 < x2 ? ((x - x1) VMMDEV_MOUSE_RANGE + ADJUST_RANGE)
814	/ (x2 - x1) : 0;
815	pyAdj = y1 < y2 ? ((y - y1) VMMDEV_MOUSE_RANGE + ADJUST_RANGE)
816	/ (y2 - y1) : 0;
817	if ( *pxAdj < VMMDEV_MOUSE_RANGE_MIN
818	\|\| *pxAdj > VMMDEV_MOUSE_RANGE_MAX
819	\|\| *pyAdj < VMMDEV_MOUSE_RANGE_MIN
820	\|\| *pyAdj > VMMDEV_MOUSE_RANGE_MAX)
821	if (pfValid)
822	*pfValid = false;
823	}
824	return S_OK;
825	}
826
827
828	/**
829	* Send an absolute mouse event to the VM. This requires either VirtualBox-
830	* specific drivers installed in the guest or absolute pointing device
831	* emulation.
832	* @note the VMMDev capability change is so that the guest knows we are sending
833	* dummy events over the PS/2 device to signal the arrival of new
834	* absolute pointer data, and not pointer real movement data
835	* @note all calls out of this object are made with no locks held!
836	*
837	* @returns COM status code
838	* @param x X position (pixel), starting from 1
839	* @param y Y position (pixel), starting from 1
840	* @param dz Z movement
841	* @param dw mouse wheel movement
842	* @param aButtonState The mouse button state
843	*/
844	HRESULT Mouse::putMouseEventAbsolute(LONG x, LONG y, LONG dz, LONG dw,
845	LONG aButtonState)
846	{
847	LogRel3(("%s: x=%d, y=%d, dz=%d, dw=%d, fButtons=0x%x\n",
848	__PRETTY_FUNCTION__, x, y, dz, dw, aButtonState));
849
850	DisplayMouseInterface *pDisplay = mParent->i_getDisplayMouseInterface();
851	ComAssertRet(pDisplay, E_FAIL);
852	int32_t xAdj, yAdj;
853	uint32_t fButtonsAdj;
854	bool fValid;
855
856	/* If we are doing old-style (IRQ-less) absolute reporting to the VMM
857	* device then make sure the guest is aware of it, so that it knows to
858	* ignore relative movement on the PS/2 device. */
859	i_updateVMMDevMouseCaps(VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE, 0);
860	/* Detect out-of-range. */
861	if (x == 0x7FFFFFFF && y == 0x7FFFFFFF)
862	{
863	pDisplay->i_reportHostCursorPosition(0, 0, true);
864	return S_OK;
865	}
866	/* Detect "report-only" (-1, -1). This is not ideal, as in theory the
867	* front-end could be sending negative values relative to the primary
868	* screen. */
869	if (x == -1 && y == -1)
870	return S_OK;
871	/** @todo the front end should do this conversion to avoid races */
872	/** @note Or maybe not... races are pretty inherent in everything done in
873	* this object and not really bad as far as I can see. */
874	HRESULT rc = i_convertDisplayRes(x, y, &xAdj, &yAdj, &fValid);
875	if (FAILED(rc)) return rc;
876
877	fButtonsAdj = i_mouseButtonsToPDM(aButtonState);
878	if (fValid)
879	{
880	rc = i_reportAbsEventToInputDevices(xAdj, yAdj, dz, dw, fButtonsAdj,
881	RT_BOOL(mfVMMDevGuestCaps & VMMDEV_MOUSE_NEW_PROTOCOL));
882	if (FAILED(rc)) return rc;
883
884	i_fireMouseEvent(true, x, y, dz, dw, aButtonState);
885	}
886	rc = i_reportAbsEventToDisplayDevice(x, y);
887
888	return rc;
889	}
890
891	/**
892	* Send a multi-touch event. This requires multi-touch pointing device emulation.
893	* @note all calls out of this object are made with no locks held!
894	*
895	* @returns COM status code.
896	* @param aCount Number of contacts.
897	* @param aContacts Information about each contact.
898	* @param aScanTime Timestamp.
899	*/
900	HRESULT Mouse::putEventMultiTouch(LONG aCount,
901	const std::vector<LONG64> &aContacts,
902	ULONG aScanTime)
903	{
904	LogRel3(("%s: aCount %d(actual %d), aScanTime %u\n",
905	__FUNCTION__, aCount, aContacts.size(), aScanTime));
906
907	HRESULT rc = S_OK;
908
909	if ((LONG)aContacts.size() >= aCount)
910	{
911	const LONG64 *paContacts = aCount > 0? &aContacts.front(): NULL;
912
913	rc = i_putEventMultiTouch(aCount, paContacts, aScanTime);
914	}
915	else
916	{
917	rc = E_INVALIDARG;
918	}
919
920	return rc;
921	}
922
923	/**
924	* Send a multi-touch event. Version for scripting languages.
925	*
926	* @returns COM status code.
927	* @param aCount Number of contacts.
928	* @param aContacts Information about each contact.
929	* @param aScanTime Timestamp.
930	*/
931	HRESULT Mouse::putEventMultiTouchString(LONG aCount,
932	const com::Utf8Str &aContacts,
933	ULONG aScanTime)
934	{
935	/** @todo implement: convert the string to LONG64 array and call putEventMultiTouch. */
936	NOREF(aCount);
937	NOREF(aContacts);
938	NOREF(aScanTime);
939	return E_NOTIMPL;
940	}
941
942
943	// private methods
944	/////////////////////////////////////////////////////////////////////////////
945
946	/* Used by PutEventMultiTouch and PutEventMultiTouchString. */
947	HRESULT Mouse::i_putEventMultiTouch(LONG aCount,
948	const LONG64 *paContacts,
949	ULONG aScanTime)
950	{
951	if (aCount >= 256)
952	{
953	return E_INVALIDARG;
954	}
955
956	DisplayMouseInterface *pDisplay = mParent->i_getDisplayMouseInterface();
957	ComAssertRet(pDisplay, E_FAIL);
958
959	/* Touch events are mapped to the primary monitor, because the emulated USB
960	* touchscreen device is associated with one (normally the primary) screen in the guest.
961	*/
962	ULONG uScreenId = 0;
963
964	ULONG cWidth = 0;
965	ULONG cHeight = 0;
966	ULONG cBPP = 0;
967	LONG xOrigin = 0;
968	LONG yOrigin = 0;
969	HRESULT rc = pDisplay->i_getScreenResolution(uScreenId, &cWidth, &cHeight, &cBPP, &xOrigin, &yOrigin);
970	NOREF(cBPP);
971	ComAssertComRCRetRC(rc);
972
973	uint64_t* pau64Contacts = NULL;
974	uint8_t cContacts = 0;
975
976	/* Deliver 0 contacts too, touch device may use this to reset the state. */
977	if (aCount > 0)
978	{
979	/* Create a copy with converted coords. */
980	pau64Contacts = (uint64_t )RTMemTmpAlloc(aCount sizeof(uint64_t));
981	if (pau64Contacts)
982	{
983	int32_t x1 = xOrigin;
984	int32_t y1 = yOrigin;
985	int32_t x2 = x1 + cWidth;
986	int32_t y2 = y1 + cHeight;
987
988	LogRel3(("%s: screen [%d] %d,%d %d,%d\n",
989	__FUNCTION__, uScreenId, x1, y1, x2, y2));
990
991	LONG i;
992	for (i = 0; i < aCount; i++)
993	{
994	uint32_t u32Lo = RT_LO_U32(paContacts[i]);
995	uint32_t u32Hi = RT_HI_U32(paContacts[i]);
996	int32_t x = (int16_t)u32Lo;
997	int32_t y = (int16_t)(u32Lo >> 16);
998	uint8_t contactId = RT_BYTE1(u32Hi);
999	bool fInContact = (RT_BYTE2(u32Hi) & 0x1) != 0;
1000	bool fInRange = (RT_BYTE2(u32Hi) & 0x2) != 0;
1001
1002	LogRel3(("%s: [%d] %d,%d id %d, inContact %d, inRange %d\n",
1003	__FUNCTION__, i, x, y, contactId, fInContact, fInRange));
1004
1005	/* x1,y1 are inclusive and x2,y2 are exclusive,
1006	* while x,y start from 1 and are inclusive.
1007	*/
1008	if (x <= x1 \|\| x > x2 \|\| y <= y1 \|\| y > y2)
1009	{
1010	/* Out of range. Skip the contact. */
1011	continue;
1012	}
1013
1014	int32_t xAdj = x1 < x2? ((x - 1 - x1) * VMMDEV_MOUSE_RANGE) / (x2 - x1) : 0;
1015	int32_t yAdj = y1 < y2? ((y - 1 - y1) * VMMDEV_MOUSE_RANGE) / (y2 - y1) : 0;
1016
1017	bool fValid = ( xAdj >= VMMDEV_MOUSE_RANGE_MIN
1018	&& xAdj <= VMMDEV_MOUSE_RANGE_MAX
1019	&& yAdj >= VMMDEV_MOUSE_RANGE_MIN
1020	&& yAdj <= VMMDEV_MOUSE_RANGE_MAX);
1021
1022	if (fValid)
1023	{
1024	uint8_t fu8 = (uint8_t)( (fInContact? 0x01: 0x00)
1025	\| (fInRange? 0x02: 0x00));
1026	pau64Contacts[cContacts] = RT_MAKE_U64_FROM_U16((uint16_t)xAdj,
1027	(uint16_t)yAdj,
1028	RT_MAKE_U16(contactId, fu8),
1029	0);
1030	cContacts++;
1031	}
1032	}
1033	}
1034	else
1035	{
1036	rc = E_OUTOFMEMORY;
1037	}
1038	}
1039
1040	if (SUCCEEDED(rc))
1041	{
1042	rc = i_reportMultiTouchEventToDevice(cContacts, cContacts? pau64Contacts: NULL, (uint32_t)aScanTime);
1043
1044	/* Send the original contact information. */
1045	i_fireMultiTouchEvent(cContacts, cContacts? paContacts: NULL, (uint32_t)aScanTime);
1046	}
1047
1048	RTMemTmpFree(pau64Contacts);
1049
1050	return rc;
1051	}
1052
1053
1054	/** Does the guest currently rely on the host to draw the mouse cursor or
1055	* can it switch to doing it itself in software? */
1056	bool Mouse::i_guestNeedsHostCursor(void)
1057	{
1058	return RT_BOOL(mfVMMDevGuestCaps & VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR);
1059	}
1060
1061
1062	/** Check what sort of reporting can be done using the devices currently
1063	* enabled. Does not consider the VMM device.
1064	*
1065	* @param pfAbs supports absolute mouse coordinates.
1066	* @param pfRel supports relative mouse coordinates.
1067	* @param pfMT supports multitouch.
1068	*/
1069	void Mouse::i_getDeviceCaps(bool pfAbs, bool pfRel, bool *pfMT)
1070	{
1071	bool fAbsDev = false;
1072	bool fRelDev = false;
1073	bool fMTDev = false;
1074
1075	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
1076
1077	for (unsigned i = 0; i < MOUSE_MAX_DEVICES; ++i)
1078	if (mpDrv[i])
1079	{
1080	if (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_ABSOLUTE)
1081	fAbsDev = true;
1082	if (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_RELATIVE)
1083	fRelDev = true;
1084	if (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_MULTI_TOUCH)
1085	fMTDev = true;
1086	}
1087	if (pfAbs)
1088	*pfAbs = fAbsDev;
1089	if (pfRel)
1090	*pfRel = fRelDev;
1091	if (pfMT)
1092	*pfMT = fMTDev;
1093	}
1094
1095
1096	/** Does the VMM device currently support absolute reporting? */
1097	bool Mouse::i_vmmdevCanAbs(void)
1098	{
1099	bool fRelDev;
1100
1101	i_getDeviceCaps(NULL, &fRelDev, NULL);
1102	return (mfVMMDevGuestCaps & VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE)
1103	&& fRelDev;
1104	}
1105
1106
1107	/** Does the VMM device currently support absolute reporting? */
1108	bool Mouse::i_deviceCanAbs(void)
1109	{
1110	bool fAbsDev;
1111
1112	i_getDeviceCaps(&fAbsDev, NULL, NULL);
1113	return fAbsDev;
1114	}
1115
1116
1117	/** Can we currently send relative events to the guest? */
1118	bool Mouse::i_supportsRel(void)
1119	{
1120	bool fRelDev;
1121
1122	i_getDeviceCaps(NULL, &fRelDev, NULL);
1123	return fRelDev;
1124	}
1125
1126
1127	/** Can we currently send absolute events to the guest? */
1128	bool Mouse::i_supportsAbs(void)
1129	{
1130	bool fAbsDev;
1131
1132	i_getDeviceCaps(&fAbsDev, NULL, NULL);
1133	return fAbsDev \|\| i_vmmdevCanAbs();
1134	}
1135
1136
1137	/** Can we currently send absolute events to the guest? */
1138	bool Mouse::i_supportsMT(void)
1139	{
1140	bool fMTDev;
1141
1142	i_getDeviceCaps(NULL, NULL, &fMTDev);
1143	return fMTDev;
1144	}
1145
1146
1147	/** Check what sort of reporting can be done using the devices currently
1148	* enabled (including the VMM device) and notify the guest and the front-end.
1149	*/
1150	void Mouse::i_sendMouseCapsNotifications(void)
1151	{
1152	bool fRelDev, fMTDev, fCanAbs, fNeedsHostCursor;
1153
1154	{
1155	AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
1156
1157	i_getDeviceCaps(NULL, &fRelDev, &fMTDev);
1158	fCanAbs = i_supportsAbs();
1159	fNeedsHostCursor = i_guestNeedsHostCursor();
1160	}
1161	mParent->i_onMouseCapabilityChange(fCanAbs, fRelDev, fMTDev, fNeedsHostCursor);
1162	}
1163
1164
1165	/**
1166	* @interface_method_impl{PDMIMOUSECONNECTOR,pfnReportModes}
1167	* A virtual device is notifying us about its current state and capabilities
1168	*/
1169	DECLCALLBACK(void) Mouse::i_mouseReportModes(PPDMIMOUSECONNECTOR pInterface, bool fRelative,
1170	bool fAbsolute, bool fMultiTouch)
1171	{
1172	PDRVMAINMOUSE pDrv = RT_FROM_MEMBER(pInterface, DRVMAINMOUSE, IConnector);
1173	if (fRelative)
1174	pDrv->u32DevCaps \|= MOUSE_DEVCAP_RELATIVE;
1175	else
1176	pDrv->u32DevCaps &= ~MOUSE_DEVCAP_RELATIVE;
1177	if (fAbsolute)
1178	pDrv->u32DevCaps \|= MOUSE_DEVCAP_ABSOLUTE;
1179	else
1180	pDrv->u32DevCaps &= ~MOUSE_DEVCAP_ABSOLUTE;
1181	if (fMultiTouch)
1182	pDrv->u32DevCaps \|= MOUSE_DEVCAP_MULTI_TOUCH;
1183	else
1184	pDrv->u32DevCaps &= ~MOUSE_DEVCAP_MULTI_TOUCH;
1185
1186	pDrv->pMouse->i_sendMouseCapsNotifications();
1187	}
1188
1189
1190	/**
1191	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
1192	*/
1193	DECLCALLBACK(void ) Mouse::i_drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
1194	{
1195	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
1196	PDRVMAINMOUSE pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
1197
1198	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
1199	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUSECONNECTOR, &pDrv->IConnector);
1200	return NULL;
1201	}
1202
1203
1204	/**
1205	* Destruct a mouse driver instance.
1206	*
1207	* @returns VBox status code.
1208	* @param pDrvIns The driver instance data.
1209	*/
1210	DECLCALLBACK(void) Mouse::i_drvDestruct(PPDMDRVINS pDrvIns)
1211	{
1212	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
1213	PDRVMAINMOUSE pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
1214	LogFlow(("Mouse::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
1215
1216	if (pThis->pMouse)
1217	{
1218	AutoWriteLock mouseLock(pThis->pMouse COMMA_LOCKVAL_SRC_POS);
1219	for (unsigned cDev = 0; cDev < MOUSE_MAX_DEVICES; ++cDev)
1220	if (pThis->pMouse->mpDrv[cDev] == pThis)
1221	{
1222	pThis->pMouse->mpDrv[cDev] = NULL;
1223	break;
1224	}
1225	}
1226	}
1227
1228
1229	/**
1230	* Construct a mouse driver instance.
1231	*
1232	* @copydoc FNPDMDRVCONSTRUCT
1233	*/
1234	DECLCALLBACK(int) Mouse::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
1235	{
1236	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
1237	RT_NOREF(fFlags, pCfg);
1238	PDRVMAINMOUSE pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
1239	LogFlow(("drvMainMouse_Construct: iInstance=%d\n", pDrvIns->iInstance));
1240
1241	/*
1242	* Validate configuration.
1243	*/
1244	PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "", "");
1245	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
1246	("Configuration error: Not possible to attach anything to this driver!\n"),
1247	VERR_PDM_DRVINS_NO_ATTACH);
1248
1249	/*
1250	* IBase.
1251	*/
1252	pDrvIns->IBase.pfnQueryInterface = Mouse::i_drvQueryInterface;
1253
1254	pThis->IConnector.pfnReportModes = Mouse::i_mouseReportModes;
1255
1256	/*
1257	* Get the IMousePort interface of the above driver/device.
1258	*/
1259	pThis->pUpPort = (PPDMIMOUSEPORT)pDrvIns->pUpBase->pfnQueryInterface(pDrvIns->pUpBase, PDMIMOUSEPORT_IID);
1260	if (!pThis->pUpPort)
1261	{
1262	AssertMsgFailed(("Configuration error: No mouse port interface above!\n"));
1263	return VERR_PDM_MISSING_INTERFACE_ABOVE;
1264	}
1265
1266	/*
1267	* Get the Mouse object pointer and update the mpDrv member.
1268	*/
1269	com::Guid uuid(COM_IIDOF(IMouse));
1270	IMouse pIMouse = (IMouse )PDMDrvHlpQueryGenericUserObject(pDrvIns, uuid.raw());
1271	if (!pIMouse)
1272	{
1273	AssertMsgFailed(("Configuration error: No/bad Mouse object!\n"));
1274	return VERR_NOT_FOUND;
1275	}
1276	pThis->pMouse = static_cast<Mouse *>(pIMouse);
1277
1278	unsigned cDev;
1279	{
1280	AutoWriteLock mouseLock(pThis->pMouse COMMA_LOCKVAL_SRC_POS);
1281
1282	for (cDev = 0; cDev < MOUSE_MAX_DEVICES; ++cDev)
1283	if (!pThis->pMouse->mpDrv[cDev])
1284	{
1285	pThis->pMouse->mpDrv[cDev] = pThis;
1286	break;
1287	}
1288	}
1289	if (cDev == MOUSE_MAX_DEVICES)
1290	return VERR_NO_MORE_HANDLES;
1291
1292	return VINF_SUCCESS;
1293	}
1294
1295
1296	/**
1297	* Main mouse driver registration record.
1298	*/
1299	const PDMDRVREG Mouse::DrvReg =
1300	{
1301	/* u32Version */
1302	PDM_DRVREG_VERSION,
1303	/* szName */
1304	"MainMouse",
1305	/* szRCMod */
1306	"",
1307	/* szR0Mod */
1308	"",
1309	/* pszDescription */
1310	"Main mouse driver (Main as in the API).",
1311	/* fFlags */
1312	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
1313	/* fClass. */
1314	PDM_DRVREG_CLASS_MOUSE,
1315	/* cMaxInstances */
1316	~0U,
1317	/* cbInstance */
1318	sizeof(DRVMAINMOUSE),
1319	/* pfnConstruct */
1320	Mouse::i_drvConstruct,
1321	/* pfnDestruct */
1322	Mouse::i_drvDestruct,
1323	/* pfnRelocate */
1324	NULL,
1325	/* pfnIOCtl */
1326	NULL,
1327	/* pfnPowerOn */
1328	NULL,
1329	/* pfnReset */
1330	NULL,
1331	/* pfnSuspend */
1332	NULL,
1333	/* pfnResume */
1334	NULL,
1335	/* pfnAttach */
1336	NULL,
1337	/* pfnDetach */
1338	NULL,
1339	/* pfnPowerOff */
1340	NULL,
1341	/* pfnSoftReset */
1342	NULL,
1343	/* u32EndVersion */
1344	PDM_DRVREG_VERSION
1345	};
1346	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/MouseImpl.cpp@ 93622

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