MouseImpl.cpp@ 26935

Last change on this file since 26935 was 26935, checked in by vboxsync, 15 years ago
pdmifs, Devices/Input, Main, FE/BFE: add support for absolute-only pointing devices
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1	/* $Id: MouseImpl.cpp 26935 2010-03-02 10:32:28Z vboxsync $ */
2	/** @file
3	* VirtualBox VBoxBFE/COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2008 Sun Microsystems, Inc.
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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18	* Clara, CA 95054 USA or visit http://www.sun.com if you need
19	* additional information or have any questions.
20	*/
21
22	#include "MouseImpl.h"
23	#include "DisplayImpl.h"
24	#ifdef VBOXBFE_WITHOUT_COM
25	# include "VMMDevInterface.h"
26	# include <iprt/uuid.h>
27	class AutoInitSpan
28	{
29	public:
30	AutoInitSpan(VirtualBoxBase *) {}
31	bool isOk() { return true; }
32	void setSucceeded() {}
33	};
34
35	class AutoUninitSpan
36	{
37	public:
38	AutoUninitSpan(VirtualBoxBase *) {}
39	bool uninitDone() { return false; }
40	};
41
42	class AutoCaller
43	{
44	public:
45	AutoCaller(VirtualBoxBase *) {}
46	int rc() { return S_OK; }
47	};
48
49	class AutoWriteLock
50	{
51	public:
52	AutoWriteLock(VirtualBoxBase *) {}
53	};
54	#define COMMA_LOCKVAL_SRC_POS
55	enum
56	{
57	MouseButtonState_LeftButton = 1,
58	MouseButtonState_RightButton = 2,
59	MouseButtonState_MiddleButton = 4,
60	MouseButtonState_XButton1 = 8,
61	MouseButtonState_XButton2 = 16,
62	};
63	#else
64	# include "VMMDev.h"
65
66	# include "AutoCaller.h"
67	#endif
68	#include "Logging.h"
69
70	#include <VBox/pdmdrv.h>
71	#include <iprt/asm.h>
72	#include <VBox/VMMDev.h>
73
74	/**
75	* Mouse driver instance data.
76	*/
77	typedef struct DRVMAINMOUSE
78	{
79	/** Pointer to the mouse object. */
80	Mouse *pMouse;
81	/** Pointer to the driver instance structure. */
82	PPDMDRVINS pDrvIns;
83	/** Pointer to the mouse port interface of the driver/device above us. */
84	PPDMIMOUSEPORT pUpPort;
85	/** Our mouse connector interface. */
86	PDMIMOUSECONNECTOR IConnector;
87	} DRVMAINMOUSE, *PDRVMAINMOUSE;
88
89
90	// constructor / destructor
91	/////////////////////////////////////////////////////////////////////////////
92
93	DEFINE_EMPTY_CTOR_DTOR (Mouse)
94
95	HRESULT Mouse::FinalConstruct()
96	{
97	mpDrv = NULL;
98	uDevCaps = MOUSE_DEVCAP_RELATIVE;
99	fVMMDevCanAbs = false;
100	fVMMDevNeedsHostCursor = false;
101	mLastAbsX = 0x8000;
102	mLastAbsY = 0x8000;
103	mLastButtons = 0;
104	return S_OK;
105	}
106
107	void Mouse::FinalRelease()
108	{
109	uninit();
110	}
111
112	// public methods only for internal purposes
113	/////////////////////////////////////////////////////////////////////////////
114
115	/**
116	* Initializes the mouse object.
117	*
118	* @returns COM result indicator
119	* @param parent handle of our parent object
120	*/
121	HRESULT Mouse::init (Console *parent)
122	{
123	LogFlowThisFunc(("\n"));
124
125	ComAssertRet(parent, E_INVALIDARG);
126
127	/* Enclose the state transition NotReady->InInit->Ready */
128	AutoInitSpan autoInitSpan(this);
129	AssertReturn(autoInitSpan.isOk(), E_FAIL);
130
131	#ifdef VBOXBFE_WITHOUT_COM
132	mParent = parent;
133	#else
134	unconst(mParent) = parent;
135	#endif
136
137	#ifdef RT_OS_L4
138	/* L4 console has no own mouse cursor */
139	uHostCaps = VMMDEV_MOUSE_HOST_CANNOT_HWPOINTER;
140	#else
141	uHostCaps = 0;
142	#endif
143	uDevCaps = 0;
144
145	/* Confirm a successful initialization */
146	autoInitSpan.setSucceeded();
147
148	return S_OK;
149	}
150
151	/**
152	* Uninitializes the instance and sets the ready flag to FALSE.
153	* Called either from FinalRelease() or by the parent when it gets destroyed.
154	*/
155	void Mouse::uninit()
156	{
157	LogFlowThisFunc(("\n"));
158
159	/* Enclose the state transition Ready->InUninit->NotReady */
160	AutoUninitSpan autoUninitSpan(this);
161	if (autoUninitSpan.uninitDone())
162	return;
163
164	if (mpDrv)
165	mpDrv->pMouse = NULL;
166	mpDrv = NULL;
167
168	#ifdef VBOXBFE_WITHOUT_COM
169	mParent = NULL;
170	#else
171	unconst(mParent).setNull();
172	#endif
173	}
174
175
176	// IMouse properties
177	/////////////////////////////////////////////////////////////////////////////
178
179	#ifdef VBOXBFE_WITHOUT_COM
180	int Mouse::getVMMDevMouseCaps(uint32_t *pfCaps)
181	{
182	gVMMDev->QueryMouseCapabilities(pfCaps);
183	return S_OK;
184	}
185
186	int Mouse::setVMMDevMouseCaps(uint32_t fCaps)
187	{
188	gVMMDev->SetMouseCapabilities(fCaps);
189	return S_OK;
190	}
191	#else
192	int Mouse::getVMMDevMouseCaps(uint32_t *pfCaps)
193	{
194	AssertPtrReturn(pfCaps, E_POINTER);
195	VMMDev *pVMMDev = mParent->getVMMDev();
196	ComAssertRet(pVMMDev, E_FAIL);
197	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
198	ComAssertRet(pVMMDevPort, E_FAIL);
199
200	int rc = pVMMDevPort->pfnQueryMouseCapabilities(pVMMDevPort, pfCaps);
201	return RT_SUCCESS(rc) ? S_OK : E_FAIL;
202	}
203
204	int Mouse::setVMMDevMouseCaps(uint32_t fCaps)
205	{
206	VMMDev *pVMMDev = mParent->getVMMDev();
207	ComAssertRet(pVMMDev, E_FAIL);
208	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
209	ComAssertRet(pVMMDevPort, E_FAIL);
210
211	int rc = pVMMDevPort->pfnSetMouseCapabilities(pVMMDevPort, fCaps);
212	return RT_SUCCESS(rc) ? S_OK : E_FAIL;
213	}
214	#endif /* !VBOXBFE_WITHOUT_COM */
215
216	/**
217	* Returns whether the current setup can accept absolute mouse
218	* events.
219	*
220	* @returns COM status code
221	* @param absoluteSupported address of result variable
222	*/
223	STDMETHODIMP Mouse::COMGETTER(AbsoluteSupported) (BOOL *absoluteSupported)
224	{
225	if (!absoluteSupported)
226	return E_POINTER;
227
228	AutoCaller autoCaller(this);
229	if (FAILED(autoCaller.rc())) return autoCaller.rc();
230
231	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
232
233	CHECK_CONSOLE_DRV (mpDrv);
234
235	if (uDevCaps & MOUSE_DEVCAP_ABSOLUTE)
236	*absoluteSupported = TRUE;
237	else
238	*absoluteSupported = fVMMDevCanAbs;
239
240	return S_OK;
241	}
242
243	/**
244	* Returns whether the current setup can accept relative mouse
245	* events.
246	*
247	* @returns COM status code
248	* @param relativeSupported address of result variable
249	*/
250	STDMETHODIMP Mouse::COMGETTER(RelativeSupported) (BOOL *relativeSupported)
251	{
252	if (!relativeSupported)
253	return E_POINTER;
254
255	AutoCaller autoCaller(this);
256	if (FAILED(autoCaller.rc())) return autoCaller.rc();
257
258	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
259
260	CHECK_CONSOLE_DRV (mpDrv);
261
262	if (uDevCaps & MOUSE_DEVCAP_RELATIVE)
263	*relativeSupported = TRUE;
264
265	return S_OK;
266	}
267
268	/**
269	* Returns whether the guest can currently draw the mouse cursor itself.
270	*
271	* @returns COM status code
272	* @param pfNeedsHostCursor address of result variable
273	*/
274	STDMETHODIMP Mouse::COMGETTER(NeedsHostCursor) (BOOL *pfNeedsHostCursor)
275	{
276	if (!pfNeedsHostCursor)
277	return E_POINTER;
278
279	AutoCaller autoCaller(this);
280	if (FAILED(autoCaller.rc())) return autoCaller.rc();
281
282	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
283
284	CHECK_CONSOLE_DRV (mpDrv);
285
286	*pfNeedsHostCursor = fVMMDevNeedsHostCursor;
287	return S_OK;
288	}
289
290	// IMouse methods
291	/////////////////////////////////////////////////////////////////////////////
292
293	static uint32_t mouseButtonsToPDM(LONG buttonState)
294	{
295	uint32_t fButtons = 0;
296	if (buttonState & MouseButtonState_LeftButton)
297	fButtons \|= PDMIMOUSEPORT_BUTTON_LEFT;
298	if (buttonState & MouseButtonState_RightButton)
299	fButtons \|= PDMIMOUSEPORT_BUTTON_RIGHT;
300	if (buttonState & MouseButtonState_MiddleButton)
301	fButtons \|= PDMIMOUSEPORT_BUTTON_MIDDLE;
302	if (buttonState & MouseButtonState_XButton1)
303	fButtons \|= PDMIMOUSEPORT_BUTTON_X1;
304	if (buttonState & MouseButtonState_XButton2)
305	fButtons \|= PDMIMOUSEPORT_BUTTON_X2;
306	return fButtons;
307	}
308
309
310	/**
311	* Send a relative event to the mouse device.
312	*
313	* @returns COM status code
314	*/
315	int Mouse::reportRelEventToMouseDev(int32_t dx, int32_t dy, int32_t dz,
316	int32_t dw, uint32_t fButtons)
317	{
318	if (dx \|\| dy \|\| dz \|\| dw \|\| fButtons != mLastButtons)
319	{
320	PPDMIMOUSEPORT pUpPort = mpDrv->pUpPort;
321	int vrc = pUpPort->pfnPutEvent(pUpPort, dx, dy, dz, dw, fButtons);
322
323	if (RT_FAILURE(vrc))
324	setError(VBOX_E_IPRT_ERROR,
325	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
326	vrc);
327	AssertRCReturn(vrc, VBOX_E_IPRT_ERROR);
328	}
329	return S_OK;
330	}
331
332
333	/**
334	* Send an absolute position event to the mouse device.
335	*
336	* @returns COM status code
337	*/
338	int Mouse::reportAbsEventToMouseDev(uint32_t mouseXAbs, uint32_t mouseYAbs,
339	int32_t dz, int32_t dw, uint32_t fButtons)
340	{
341	if ( mouseXAbs != mLastAbsX
342	\|\| mouseYAbs != mLastAbsY
343	\|\| dz
344	\|\| dw
345	\|\| fButtons != mLastButtons)
346	{
347	int vrc = mpDrv->pUpPort->pfnPutEventAbs(mpDrv->pUpPort, mouseXAbs,
348	mouseYAbs, dz, dw, fButtons);
349	if (RT_FAILURE(vrc))
350	setError(VBOX_E_IPRT_ERROR,
351	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
352	vrc);
353	AssertRCReturn(vrc, VBOX_E_IPRT_ERROR);
354	}
355	return S_OK;
356	}
357
358
359	/**
360	* Send an absolute position event to the VMM device.
361	*
362	* @returns COM status code
363	*/
364	int Mouse::reportAbsEventToVMMDev(uint32_t mouseXAbs, uint32_t mouseYAbs)
365	{
366	#ifdef VBOXBFE_WITHOUT_COM
367	VMMDev *pVMMDev = gVMMDev;
368	#else
369	VMMDev *pVMMDev = mParent->getVMMDev();
370	#endif
371	ComAssertRet(pVMMDev, E_FAIL);
372	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
373	ComAssertRet(pVMMDevPort, E_FAIL);
374
375	if (mouseXAbs != mLastAbsX \|\| mouseYAbs != mLastAbsY)
376	{
377	int vrc = pVMMDevPort->pfnSetAbsoluteMouse(pVMMDevPort,
378	mouseXAbs, mouseYAbs);
379	if (RT_FAILURE(vrc))
380	setError(VBOX_E_IPRT_ERROR,
381	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
382	vrc);
383	AssertRCReturn(vrc, VBOX_E_IPRT_ERROR);
384	}
385	return S_OK;
386	}
387
388	/**
389	* Send a mouse event.
390	*
391	* @returns COM status code
392	* @param dx X movement
393	* @param dy Y movement
394	* @param dz Z movement
395	* @param buttonState The mouse button state
396	*/
397	STDMETHODIMP Mouse::PutMouseEvent(LONG dx, LONG dy, LONG dz, LONG dw, LONG buttonState)
398	{
399	HRESULT rc = S_OK;
400
401	AutoCaller autoCaller(this);
402	if (FAILED(autoCaller.rc())) return autoCaller.rc();
403
404	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
405
406	CHECK_CONSOLE_DRV (mpDrv);
407
408	LogRel3(("%s: dx=%d, dy=%d, dz=%d, dw=%d\n", __PRETTY_FUNCTION__,
409	dx, dy, dz, dw));
410	if (!(uDevCaps & MOUSE_DEVCAP_ABSOLUTE))
411	{
412	/*
413	* This method being called implies that the host no
414	* longer wants to use absolute coordinates. If the VMM
415	* device isn't aware of that yet, tell it.
416	*/
417	uint32_t mouseCaps;
418	rc = getVMMDevMouseCaps(&mouseCaps);
419	ComAssertComRCRet(rc, rc);
420
421	if (mouseCaps & VMMDEV_MOUSE_HOST_CAN_ABSOLUTE)
422	setVMMDevMouseCaps(uHostCaps);
423	}
424
425	uint32_t fButtons = mouseButtonsToPDM(buttonState);
426	rc = reportRelEventToMouseDev(dx, dy, dz, dw, fButtons);
427	if (SUCCEEDED(rc))
428	mLastButtons = fButtons;
429
430	return rc;
431	}
432
433	/**
434	* Convert an X value in screen co-ordinates to a value from 0 to 0xffff
435	*
436	* @returns COM status value
437	*/
438	int Mouse::convertDisplayWidth(LONG x, uint32_t *pcX)
439	{
440	AssertPtrReturn(pcX, E_POINTER);
441	#ifndef VBOXBFE_WITHOUT_COM
442	Display *pDisplay = mParent->getDisplay();
443	ComAssertRet(pDisplay, E_FAIL);
444	#endif
445
446	ULONG displayWidth;
447	#ifdef VBOXBFE_WITHOUT_COM
448	displayWidth = gDisplay->getWidth();
449	#else
450	int rc = pDisplay->COMGETTER(Width)(&displayWidth);
451	ComAssertComRCRet(rc, rc);
452	#endif
453
454	pcX = displayWidth ? (x 0xFFFF) / displayWidth: 0;
455	return S_OK;
456	}
457
458	/**
459	* Convert a Y value in screen co-ordinates to a value from 0 to 0xffff
460	*
461	* @returns COM status value
462	*/
463	int Mouse::convertDisplayHeight(LONG y, uint32_t *pcY)
464	{
465	AssertPtrReturn(pcY, E_POINTER);
466	#ifndef VBOXBFE_WITHOUT_COM
467	Display *pDisplay = mParent->getDisplay();
468	ComAssertRet(pDisplay, E_FAIL);
469	#endif
470
471	ULONG displayHeight;
472	#ifdef VBOXBFE_WITHOUT_COM
473	displayHeight = gDisplay->getHeight();
474	#else
475	int rc = pDisplay->COMGETTER(Height)(&displayHeight);
476	ComAssertComRCRet(rc, rc);
477	#endif
478
479	pcY = displayHeight ? (y 0xFFFF) / displayHeight: 0;
480	return S_OK;
481	}
482
483
484	/**
485	* Send an absolute mouse event to the VM. This only works
486	* when the required guest support has been installed.
487	*
488	* @returns COM status code
489	* @param x X position (pixel)
490	* @param y Y position (pixel)
491	* @param dz Z movement
492	* @param buttonState The mouse button state
493	*/
494	STDMETHODIMP Mouse::PutMouseEventAbsolute(LONG x, LONG y, LONG dz, LONG dw,
495	LONG buttonState)
496	{
497	AutoCaller autoCaller(this);
498	if (FAILED(autoCaller.rc())) return autoCaller.rc();
499
500	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
501
502	LogRel3(("%s: x=%d, y=%d, dz=%d, dw=%d, buttonState=0x%x\n",
503	__PRETTY_FUNCTION__, x, y, dz, dw, buttonState));
504
505	CHECK_CONSOLE_DRV(mpDrv);
506
507	uint32_t mouseXAbs;
508	HRESULT rc = convertDisplayWidth(x, &mouseXAbs);
509	ComAssertComRCRet(rc, rc);
510	if (mouseXAbs > 0xffff)
511	mouseXAbs = mLastAbsX;
512
513	uint32_t mouseYAbs;
514	rc = convertDisplayHeight(y, &mouseYAbs);
515	ComAssertComRCRet(rc, rc);
516	if (mouseYAbs > 0xffff)
517	mouseYAbs = mLastAbsY;
518
519	uint32_t fButtons = mouseButtonsToPDM(buttonState);
520
521	/* Older guest additions rely on a small phony movement event on the
522	* PS/2 device to notice absolute events. */
523	bool fNeedsJiggle = false;
524
525	if (uDevCaps & MOUSE_DEVCAP_ABSOLUTE)
526	rc = reportAbsEventToMouseDev(mouseXAbs, mouseYAbs, dz, dw, fButtons);
527	else
528	{
529	uint32_t mouseCaps;
530	rc = getVMMDevMouseCaps(&mouseCaps);
531	ComAssertComRCRet(rc, rc);
532
533	/*
534	* This method being called implies that the host wants
535	* to use absolute coordinates. If the VMM device isn't
536	* aware of that yet, tell it.
537	*/
538	if (!(mouseCaps & VMMDEV_MOUSE_HOST_CAN_ABSOLUTE))
539	setVMMDevMouseCaps(uHostCaps \| VMMDEV_MOUSE_HOST_CAN_ABSOLUTE);
540
541	/*
542	* Send the absolute mouse position to the VMM device.
543	*/
544	rc = reportAbsEventToVMMDev(mouseXAbs, mouseYAbs);
545	fNeedsJiggle = !(mouseCaps & VMMDEV_MOUSE_GUEST_USES_VMMDEV);
546	}
547	ComAssertComRCRet(rc, rc);
548
549	mLastAbsX = mouseXAbs;
550	mLastAbsY = mouseYAbs;
551
552	if (!(uDevCaps & MOUSE_DEVCAP_ABSOLUTE))
553	{
554	/* We may need to send a relative event for button information or to
555	* wake the guest up to the changed absolute co-ordinates.
556	* If the event is a pure wake up one, we make sure it contains some
557	* (possibly phony) event data to make sure it isn't just discarded on
558	* the way. */
559	if (fNeedsJiggle \|\| fButtons != mLastButtons \|\| dz \|\| dw)
560	{
561	rc = reportRelEventToMouseDev(fNeedsJiggle ? 1 : 0, 0, dz, dw,
562	fButtons);
563	ComAssertComRCRet(rc, rc);
564	}
565	}
566	mLastButtons = fButtons;
567	return rc;
568	}
569
570	// private methods
571	/////////////////////////////////////////////////////////////////////////////
572
573
574	void Mouse::sendMouseCapsCallback(void)
575	{
576	bool fAbsSupported = uDevCaps & MOUSE_DEVCAP_ABSOLUTE
577	? true : fVMMDevCanAbs;
578	#ifndef VBOXBFE_WITHOUT_COM
579	mParent->onMouseCapabilityChange(fAbsSupported, uDevCaps & MOUSE_DEVCAP_RELATIVE, fVMMDevNeedsHostCursor);
580	#endif
581	}
582
583
584	/**
585	* @interface_method_impl{PDMIMOUSECONNECTOR,pfnReportModes}
586	*/
587	DECLCALLBACK(void) Mouse::mouseReportModes(PPDMIMOUSECONNECTOR pInterface, bool fRel, bool fAbs)
588	{
589	PDRVMAINMOUSE pDrv = RT_FROM_MEMBER(pInterface, DRVMAINMOUSE, IConnector);
590	if (fRel)
591	pDrv->pMouse->uDevCaps \|= MOUSE_DEVCAP_RELATIVE;
592	else
593	pDrv->pMouse->uDevCaps &= ~MOUSE_DEVCAP_RELATIVE;
594	if (fAbs)
595	pDrv->pMouse->uDevCaps \|= MOUSE_DEVCAP_ABSOLUTE;
596	else
597	pDrv->pMouse->uDevCaps &= ~MOUSE_DEVCAP_ABSOLUTE;
598
599	pDrv->pMouse->sendMouseCapsCallback();
600	}
601
602
603	/**
604	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
605	*/
606	DECLCALLBACK(void ) Mouse::drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
607	{
608	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
609	PDRVMAINMOUSE pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
610
611	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
612	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUSECONNECTOR, &pDrv->IConnector);
613	return NULL;
614	}
615
616
617	/**
618	* Destruct a mouse driver instance.
619	*
620	* @returns VBox status.
621	* @param pDrvIns The driver instance data.
622	*/
623	DECLCALLBACK(void) Mouse::drvDestruct(PPDMDRVINS pDrvIns)
624	{
625	PDRVMAINMOUSE pData = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
626	LogFlow(("Mouse::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
627	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
628
629	if (pData->pMouse)
630	{
631	AutoWriteLock mouseLock(pData->pMouse COMMA_LOCKVAL_SRC_POS);
632	pData->pMouse->mpDrv = NULL;
633	}
634	}
635
636
637	/**
638	* Construct a mouse driver instance.
639	*
640	* @copydoc FNPDMDRVCONSTRUCT
641	*/
642	DECLCALLBACK(int) Mouse::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
643	{
644	PDRVMAINMOUSE pData = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
645	LogFlow(("drvMainMouse_Construct: iInstance=%d\n", pDrvIns->iInstance));
646	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
647
648	/*
649	* Validate configuration.
650	*/
651	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
652	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
653	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
654	("Configuration error: Not possible to attach anything to this driver!\n"),
655	VERR_PDM_DRVINS_NO_ATTACH);
656
657	/*
658	* IBase.
659	*/
660	pDrvIns->IBase.pfnQueryInterface = Mouse::drvQueryInterface;
661
662	pData->IConnector.pfnReportModes = Mouse::mouseReportModes;
663
664	/*
665	* Get the IMousePort interface of the above driver/device.
666	*/
667	pData->pUpPort = (PPDMIMOUSEPORT)pDrvIns->pUpBase->pfnQueryInterface(pDrvIns->pUpBase, PDMIMOUSEPORT_IID);
668	if (!pData->pUpPort)
669	{
670	AssertMsgFailed(("Configuration error: No mouse port interface above!\n"));
671	return VERR_PDM_MISSING_INTERFACE_ABOVE;
672	}
673
674	/*
675	* Get the Mouse object pointer and update the mpDrv member.
676	*/
677	void *pv;
678	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
679	if (RT_FAILURE(rc))
680	{
681	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
682	return rc;
683	}
684	pData->pMouse = (Mouse )pv; /* @todo Check this cast! */
685	pData->pMouse->mpDrv = pData;
686
687	return VINF_SUCCESS;
688	}
689
690
691	/**
692	* Main mouse driver registration record.
693	*/
694	const PDMDRVREG Mouse::DrvReg =
695	{
696	/* u32Version */
697	PDM_DRVREG_VERSION,
698	/* szName */
699	"MainMouse",
700	/* szRCMod */
701	"",
702	/* szR0Mod */
703	"",
704	/* pszDescription */
705	"Main mouse driver (Main as in the API).",
706	/* fFlags */
707	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
708	/* fClass. */
709	PDM_DRVREG_CLASS_MOUSE,
710	/* cMaxInstances */
711	~0,
712	/* cbInstance */
713	sizeof(DRVMAINMOUSE),
714	/* pfnConstruct */
715	Mouse::drvConstruct,
716	/* pfnDestruct */
717	Mouse::drvDestruct,
718	/* pfnRelocate */
719	NULL,
720	/* pfnIOCtl */
721	NULL,
722	/* pfnPowerOn */
723	NULL,
724	/* pfnReset */
725	NULL,
726	/* pfnSuspend */
727	NULL,
728	/* pfnResume */
729	NULL,
730	/* pfnAttach */
731	NULL,
732	/* pfnDetach */
733	NULL,
734	/* pfnPowerOff */
735	NULL,
736	/* pfnSoftReset */
737	NULL,
738	/* u32EndVersion */
739	PDM_DRVREG_VERSION
740	};
741	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Frontends/VBoxBFE/MouseImpl.cpp@ 26935

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