MouseImpl.cpp@ 31649

Last change on this file since 31649 was 30764, checked in by vboxsync, 14 years ago
back out r63543, r63544 until windows build problems can be solved properly
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1	/* $Id: MouseImpl.cpp 30764 2010-07-09 14:12:12Z vboxsync $ */
2	/** @file
3	* VirtualBox COM class implementation
4	*/
5
6	/*
7	* Copyright (C) 2006-2008 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
24	#include "AutoCaller.h"
25	#include "Logging.h"
26
27	#include <VBox/pdmdrv.h>
28
29	#include <iprt/asm.h>
30
31	#include <VBox/VMMDev.h>
32
33	/** @name Mouse device capabilities bitfield
34	* @{ */
35	enum
36	{
37	/** The mouse device can do relative reporting */
38	MOUSE_DEVCAP_RELATIVE = 1,
39	/** The mouse device can do absolute reporting */
40	MOUSE_DEVCAP_ABSOLUTE = 2
41	};
42	/** @} */
43
44	/**
45	* Mouse driver instance data.
46	*/
47	struct DRVMAINMOUSE
48	{
49	/** Pointer to the mouse object. */
50	Mouse *pMouse;
51	/** Pointer to the driver instance structure. */
52	PPDMDRVINS pDrvIns;
53	/** Pointer to the mouse port interface of the driver/device above us. */
54	PPDMIMOUSEPORT pUpPort;
55	/** Our mouse connector interface. */
56	PDMIMOUSECONNECTOR IConnector;
57	/** The capabilities of this device. */
58	uint32_t u32DevCaps;
59	};
60
61
62	// constructor / destructor
63	/////////////////////////////////////////////////////////////////////////////
64
65	Mouse::Mouse()
66	: mParent(NULL)
67	{
68	}
69
70	Mouse::~Mouse()
71	{
72	}
73
74
75	HRESULT Mouse::FinalConstruct()
76	{
77	RT_ZERO(mpDrv);
78	fVMMDevCanAbs = false;
79	fVMMDevNeedsHostCursor = false;
80	mLastAbsX = 0x8000;
81	mLastAbsY = 0x8000;
82	mLastButtons = 0;
83	return S_OK;
84	}
85
86	void Mouse::FinalRelease()
87	{
88	uninit();
89	}
90
91	// public methods only for internal purposes
92	/////////////////////////////////////////////////////////////////////////////
93
94	/**
95	* Initializes the mouse object.
96	*
97	* @returns COM result indicator
98	* @param parent handle of our parent object
99	*/
100	HRESULT Mouse::init (Console *parent)
101	{
102	LogFlowThisFunc(("\n"));
103
104	ComAssertRet(parent, E_INVALIDARG);
105
106	/* Enclose the state transition NotReady->InInit->Ready */
107	AutoInitSpan autoInitSpan(this);
108	AssertReturn(autoInitSpan.isOk(), E_FAIL);
109
110	unconst(mParent) = parent;
111
112	#ifdef RT_OS_L4
113	/* L4 console has no own mouse cursor */
114	uHostCaps = VMMDEV_MOUSE_HOST_CANNOT_HWPOINTER;
115	#else
116	uHostCaps = 0;
117	#endif
118
119	/* Confirm a successful initialization */
120	autoInitSpan.setSucceeded();
121
122	return S_OK;
123	}
124
125	/**
126	* Uninitializes the instance and sets the ready flag to FALSE.
127	* Called either from FinalRelease() or by the parent when it gets destroyed.
128	*/
129	void Mouse::uninit()
130	{
131	LogFlowThisFunc(("\n"));
132
133	/* Enclose the state transition Ready->InUninit->NotReady */
134	AutoUninitSpan autoUninitSpan(this);
135	if (autoUninitSpan.uninitDone())
136	return;
137
138	for (unsigned i = 0; i < MOUSE_MAX_DEVICES; ++i)
139	{
140	if (mpDrv[i])
141	mpDrv[i]->pMouse = NULL;
142	mpDrv[i] = NULL;
143	}
144
145	#ifdef VBOXBFE_WITHOUT_COM
146	mParent = NULL;
147	#else
148	unconst(mParent) = NULL;
149	#endif
150	}
151
152
153	// IMouse properties
154	/////////////////////////////////////////////////////////////////////////////
155
156	HRESULT Mouse::getVMMDevMouseCaps(uint32_t *pfCaps)
157	{
158	AssertPtrReturn(pfCaps, E_POINTER);
159	VMMDev *pVMMDev = mParent->getVMMDev();
160	ComAssertRet(pVMMDev, E_FAIL);
161	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
162	ComAssertRet(pVMMDevPort, E_FAIL);
163
164	int rc = pVMMDevPort->pfnQueryMouseCapabilities(pVMMDevPort, pfCaps);
165	return RT_SUCCESS(rc) ? S_OK : E_FAIL;
166	}
167
168	HRESULT Mouse::setVMMDevMouseCaps(uint32_t fCaps)
169	{
170	VMMDev *pVMMDev = mParent->getVMMDev();
171	ComAssertRet(pVMMDev, E_FAIL);
172	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
173	ComAssertRet(pVMMDevPort, E_FAIL);
174
175	int rc = pVMMDevPort->pfnSetMouseCapabilities(pVMMDevPort, fCaps);
176	return RT_SUCCESS(rc) ? S_OK : E_FAIL;
177	}
178
179	/**
180	* Returns whether the current setup can accept absolute mouse
181	* events.
182	*
183	* @returns COM status code
184	* @param absoluteSupported address of result variable
185	*/
186	STDMETHODIMP Mouse::COMGETTER(AbsoluteSupported) (BOOL *absoluteSupported)
187	{
188	if (!absoluteSupported)
189	return E_POINTER;
190
191	AutoCaller autoCaller(this);
192	if (FAILED(autoCaller.rc())) return autoCaller.rc();
193
194	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
195	bool fAbs = false;
196
197	if (fVMMDevCanAbs)
198	fAbs = TRUE;
199
200	for (unsigned i = 0; i < MOUSE_MAX_DEVICES; ++i)
201	if (mpDrv[i] && (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_ABSOLUTE))
202	fAbs = TRUE;
203
204	*absoluteSupported = fAbs;
205	return S_OK;
206	}
207
208	/**
209	* Returns whether the current setup can accept relative mouse
210	* events.
211	*
212	* @returns COM status code
213	* @param relativeSupported address of result variable
214	*/
215	STDMETHODIMP Mouse::COMGETTER(RelativeSupported) (BOOL *relativeSupported)
216	{
217	if (!relativeSupported)
218	return E_POINTER;
219
220	AutoCaller autoCaller(this);
221	if (FAILED(autoCaller.rc())) return autoCaller.rc();
222
223	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
224	bool fRel = false;
225
226	for (unsigned i = 0; i < MOUSE_MAX_DEVICES; ++i)
227	if (mpDrv[i] && (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_RELATIVE))
228	fRel = TRUE;
229
230	*relativeSupported = fRel;
231	return S_OK;
232	}
233
234	/**
235	* Returns whether the guest can currently draw the mouse cursor itself.
236	*
237	* @returns COM status code
238	* @param pfNeedsHostCursor address of result variable
239	*/
240	STDMETHODIMP Mouse::COMGETTER(NeedsHostCursor) (BOOL *pfNeedsHostCursor)
241	{
242	if (!pfNeedsHostCursor)
243	return E_POINTER;
244
245	AutoCaller autoCaller(this);
246	if (FAILED(autoCaller.rc())) return autoCaller.rc();
247
248	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
249
250	*pfNeedsHostCursor = fVMMDevNeedsHostCursor;
251	return S_OK;
252	}
253
254	// IMouse methods
255	/////////////////////////////////////////////////////////////////////////////
256
257	static uint32_t mouseButtonsToPDM(LONG buttonState)
258	{
259	uint32_t fButtons = 0;
260	if (buttonState & MouseButtonState_LeftButton)
261	fButtons \|= PDMIMOUSEPORT_BUTTON_LEFT;
262	if (buttonState & MouseButtonState_RightButton)
263	fButtons \|= PDMIMOUSEPORT_BUTTON_RIGHT;
264	if (buttonState & MouseButtonState_MiddleButton)
265	fButtons \|= PDMIMOUSEPORT_BUTTON_MIDDLE;
266	if (buttonState & MouseButtonState_XButton1)
267	fButtons \|= PDMIMOUSEPORT_BUTTON_X1;
268	if (buttonState & MouseButtonState_XButton2)
269	fButtons \|= PDMIMOUSEPORT_BUTTON_X2;
270	return fButtons;
271	}
272
273
274	/**
275	* Send a relative event to the mouse device.
276	*
277	* @returns COM status code
278	*/
279	HRESULT Mouse::reportRelEventToMouseDev(int32_t dx, int32_t dy, int32_t dz,
280	int32_t dw, uint32_t fButtons)
281	{
282	if (dx \|\| dy \|\| dz \|\| dw \|\| fButtons != mLastButtons)
283	{
284	PPDMIMOUSEPORT pUpPort = NULL;
285	for (unsigned i = 0; !pUpPort && i < MOUSE_MAX_DEVICES; ++i)
286	{
287	if (mpDrv[i] && (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_RELATIVE))
288	pUpPort = mpDrv[i]->pUpPort;
289	}
290	if (!pUpPort)
291	return S_OK;
292
293	int vrc = pUpPort->pfnPutEvent(pUpPort, dx, dy, dz, dw, fButtons);
294
295	if (RT_FAILURE(vrc))
296	return setError(VBOX_E_IPRT_ERROR,
297	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
298	vrc);
299	}
300	return S_OK;
301	}
302
303
304	/**
305	* Send an absolute position event to the mouse device.
306	*
307	* @returns COM status code
308	*/
309	HRESULT Mouse::reportAbsEventToMouseDev(uint32_t mouseXAbs, uint32_t mouseYAbs,
310	int32_t dz, int32_t dw, uint32_t fButtons)
311	{
312	if ( mouseXAbs != mLastAbsX \|\| mouseYAbs != mLastAbsY
313	\|\| dz \|\| dw \|\| fButtons != mLastButtons)
314	{
315	PPDMIMOUSEPORT pUpPort = NULL;
316	for (unsigned i = 0; !pUpPort && i < MOUSE_MAX_DEVICES; ++i)
317	{
318	if (mpDrv[i] && (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_ABSOLUTE))
319	pUpPort = mpDrv[i]->pUpPort;
320	}
321	if (!pUpPort)
322	return S_OK;
323
324	int vrc = pUpPort->pfnPutEventAbs(pUpPort, mouseXAbs, mouseYAbs, dz,
325	dw, fButtons);
326	if (RT_FAILURE(vrc))
327	return setError(VBOX_E_IPRT_ERROR,
328	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
329	vrc);
330	}
331	return S_OK;
332	}
333
334
335	/**
336	* Send an absolute position event to the VMM device.
337	*
338	* @returns COM status code
339	*/
340	HRESULT Mouse::reportAbsEventToVMMDev(uint32_t mouseXAbs, uint32_t mouseYAbs)
341	{
342	VMMDev *pVMMDev = mParent->getVMMDev();
343	ComAssertRet(pVMMDev, E_FAIL);
344	PPDMIVMMDEVPORT pVMMDevPort = pVMMDev->getVMMDevPort();
345	ComAssertRet(pVMMDevPort, E_FAIL);
346
347	if (mouseXAbs != mLastAbsX \|\| mouseYAbs != mLastAbsY)
348	{
349	int vrc = pVMMDevPort->pfnSetAbsoluteMouse(pVMMDevPort,
350	mouseXAbs, mouseYAbs);
351	if (RT_FAILURE(vrc))
352	return setError(VBOX_E_IPRT_ERROR,
353	tr("Could not send the mouse event to the virtual mouse (%Rrc)"),
354	vrc);
355	}
356	return S_OK;
357	}
358
359	/**
360	* Send a mouse event.
361	*
362	* @returns COM status code
363	* @param dx X movement
364	* @param dy Y movement
365	* @param dz Z movement
366	* @param buttonState The mouse button state
367	*/
368	STDMETHODIMP Mouse::PutMouseEvent(LONG dx, LONG dy, LONG dz, LONG dw, LONG buttonState)
369	{
370	HRESULT rc = S_OK;
371
372	AutoCaller autoCaller(this);
373	if (FAILED(autoCaller.rc())) return autoCaller.rc();
374
375	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
376
377	LogRel3(("%s: dx=%d, dy=%d, dz=%d, dw=%d\n", __PRETTY_FUNCTION__,
378	dx, dy, dz, dw));
379	/*
380	* This method being called implies that the host no
381	* longer wants to use absolute coordinates. If the VMM
382	* device isn't aware of that yet, tell it.
383	*/
384	if (uHostCaps & VMMDEV_MOUSE_HOST_CAN_ABSOLUTE)
385	{
386	uHostCaps &= ~VMMDEV_MOUSE_HOST_CAN_ABSOLUTE;
387	setVMMDevMouseCaps(uHostCaps);
388	}
389
390	uint32_t fButtons = mouseButtonsToPDM(buttonState);
391	rc = reportRelEventToMouseDev(dx, dy, dz, dw, fButtons);
392	if (SUCCEEDED(rc))
393	mLastButtons = fButtons;
394
395	return rc;
396	}
397
398	/**
399	* Convert an X value in screen co-ordinates (starting from 1) to a value
400	* from 0 to 0xffff.
401	*
402	* @returns COM status value
403	*/
404	HRESULT Mouse::convertDisplayWidth(LONG x, uint32_t *pcX)
405	{
406	AssertPtrReturn(pcX, E_POINTER);
407	Display *pDisplay = mParent->getDisplay();
408	ComAssertRet(pDisplay, E_FAIL);
409
410	ULONG displayWidth;
411	HRESULT rc = pDisplay->GetScreenResolution (0, &displayWidth, NULL, NULL);
412	if (FAILED(rc)) return rc;
413
414	pcX = displayWidth ? ((x - 1) 0xFFFF) / displayWidth: 0;
415	return S_OK;
416	}
417
418	/**
419	* Convert a Y value in screen co-ordinates (starting from 1) to a value
420	* from 0 to 0xffff.
421	*
422	* @returns COM status value
423	*/
424	HRESULT Mouse::convertDisplayHeight(LONG y, uint32_t *pcY)
425	{
426	AssertPtrReturn(pcY, E_POINTER);
427	Display *pDisplay = mParent->getDisplay();
428	ComAssertRet(pDisplay, E_FAIL);
429
430	ULONG displayHeight;
431	HRESULT rc = pDisplay->GetScreenResolution (0, NULL, &displayHeight, NULL);
432	if (FAILED(rc)) return rc;
433
434	pcY = displayHeight ? ((y - 1) 0xFFFF) / displayHeight: 0;
435	return S_OK;
436	}
437
438
439	/**
440	* Send an absolute mouse event to the VM. This only works
441	* when the required guest support has been installed.
442	*
443	* @returns COM status code
444	* @param x X position (pixel), starting from 1
445	* @param y Y position (pixel), starting from 1
446	* @param dz Z movement
447	* @param buttonState The mouse button state
448	*/
449	STDMETHODIMP Mouse::PutMouseEventAbsolute(LONG x, LONG y, LONG dz, LONG dw,
450	LONG buttonState)
451	{
452	AutoCaller autoCaller(this);
453	if (FAILED(autoCaller.rc())) return autoCaller.rc();
454
455	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
456
457	LogRel3(("%s: x=%d, y=%d, dz=%d, dw=%d, buttonState=0x%x\n",
458	__PRETTY_FUNCTION__, x, y, dz, dw, buttonState));
459
460	uint32_t mouseXAbs;
461	/** @todo the front end should do this conversion to avoid races */
462	HRESULT rc = convertDisplayWidth(x, &mouseXAbs);
463	if (FAILED(rc)) return rc;
464
465	/**
466	* @todo multi-monitor Windows guests expect this to be unbounded.
467	* Understand the issues involved and fix for the rest.
468	*/
469	/* if (mouseXAbs > 0xffff)
470	mouseXAbs = mLastAbsX; */
471
472	uint32_t mouseYAbs;
473	rc = convertDisplayHeight(y, &mouseYAbs);
474	if (FAILED(rc)) return rc;
475	/* if (mouseYAbs > 0xffff)
476	mouseYAbs = mLastAbsY; */
477
478	uint32_t fButtons = mouseButtonsToPDM(buttonState);
479
480	uint32_t mouseCaps;
481	rc = getVMMDevMouseCaps(&mouseCaps);
482	if (FAILED(rc)) return rc;
483
484	/*
485	* This method being called implies that the host wants
486	* to use absolute coordinates. If the VMM device isn't
487	* aware of that yet, tell it.
488	*/
489	if (!(mouseCaps & VMMDEV_MOUSE_HOST_CAN_ABSOLUTE))
490	{
491	uHostCaps \|= VMMDEV_MOUSE_HOST_CAN_ABSOLUTE;
492	setVMMDevMouseCaps(uHostCaps);
493	}
494
495	if (fVMMDevCanAbs)
496	{
497	/*
498	* Send the absolute mouse position to the VMM device.
499	*/
500	rc = reportAbsEventToVMMDev(mouseXAbs, mouseYAbs);
501	/* We may need to send an additional event for button information or
502	* to wake up older guests to the changed absolute co-ordinates. If
503	* the event is a pure wake up one, we make sure it contains some
504	* (possibly phony) event data to make sure it isn't just discarded
505	* on the way. */
506	bool fNeedsJiggle = !(mouseCaps & VMMDEV_MOUSE_GUEST_USES_VMMDEV);
507	if (fNeedsJiggle \|\| fButtons != mLastButtons \|\| dz \|\| dw)
508	{
509	rc = reportRelEventToMouseDev(fNeedsJiggle ? 1 : 0, 0, dz, dw,
510	fButtons);
511	}
512	}
513	else
514	rc = reportAbsEventToMouseDev(mouseXAbs, mouseYAbs, dz, dw, fButtons);
515
516	if (FAILED(rc)) return rc;
517
518	mLastAbsX = mouseXAbs;
519	mLastAbsY = mouseYAbs;
520
521	mLastButtons = fButtons;
522	return rc;
523	}
524
525	// private methods
526	/////////////////////////////////////////////////////////////////////////////
527
528
529	void Mouse::sendMouseCapsNotifications(void)
530	{
531	bool fAbsDev = false;
532	bool fRelDev = false;
533	uint32_t u32MouseCaps;
534	for (unsigned i = 0; i < MOUSE_MAX_DEVICES; ++i)
535	if (mpDrv[i])
536	{
537	if (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_ABSOLUTE)
538	fAbsDev = true;
539	if (mpDrv[i]->u32DevCaps & MOUSE_DEVCAP_RELATIVE)
540	fRelDev = true;
541	}
542	if (SUCCEEDED(getVMMDevMouseCaps(&u32MouseCaps)))
543	fVMMDevCanAbs = (u32MouseCaps & VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE)
544	&& fRelDev;
545	else
546	fVMMDevCanAbs = false;
547	mParent->onMouseCapabilityChange(fAbsDev \|\| fVMMDevCanAbs, fRelDev,
548	fVMMDevNeedsHostCursor);
549	/** @todo if this gets called during device initialisation we get an
550	* error due to VMMDev not being initialised yet. */
551	if (fAbsDev && !(uHostCaps & VMMDEV_MOUSE_HOST_HAS_ABS_DEV))
552	uHostCaps \|= VMMDEV_MOUSE_HOST_HAS_ABS_DEV;
553	if (!fAbsDev && (uHostCaps & VMMDEV_MOUSE_HOST_HAS_ABS_DEV))
554	uHostCaps &= ~VMMDEV_MOUSE_HOST_HAS_ABS_DEV;
555	setVMMDevMouseCaps(uHostCaps);
556	}
557
558
559	/**
560	* @interface_method_impl{PDMIMOUSECONNECTOR,pfnReportModes}
561	*/
562	DECLCALLBACK(void) Mouse::mouseReportModes(PPDMIMOUSECONNECTOR pInterface, bool fRel, bool fAbs)
563	{
564	PDRVMAINMOUSE pDrv = RT_FROM_MEMBER(pInterface, DRVMAINMOUSE, IConnector);
565	if (fRel)
566	pDrv->u32DevCaps \|= MOUSE_DEVCAP_RELATIVE;
567	else
568	pDrv->u32DevCaps &= ~MOUSE_DEVCAP_RELATIVE;
569	if (fAbs)
570	pDrv->u32DevCaps \|= MOUSE_DEVCAP_ABSOLUTE;
571	else
572	pDrv->u32DevCaps &= ~MOUSE_DEVCAP_ABSOLUTE;
573
574	pDrv->pMouse->sendMouseCapsNotifications();
575	}
576
577
578	/**
579	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
580	*/
581	DECLCALLBACK(void ) Mouse::drvQueryInterface(PPDMIBASE pInterface, const char pszIID)
582	{
583	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
584	PDRVMAINMOUSE pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
585
586	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
587	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUSECONNECTOR, &pDrv->IConnector);
588	return NULL;
589	}
590
591
592	/**
593	* Destruct a mouse driver instance.
594	*
595	* @returns VBox status.
596	* @param pDrvIns The driver instance data.
597	*/
598	DECLCALLBACK(void) Mouse::drvDestruct(PPDMDRVINS pDrvIns)
599	{
600	PDRVMAINMOUSE pData = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
601	LogFlow(("Mouse::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
602	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
603
604	if (pData->pMouse)
605	{
606	AutoWriteLock mouseLock(pData->pMouse COMMA_LOCKVAL_SRC_POS);
607	for (unsigned cDev = 0; cDev < MOUSE_MAX_DEVICES; ++cDev)
608	if (pData->pMouse->mpDrv[cDev] == pData)
609	{
610	pData->pMouse->mpDrv[cDev] = NULL;
611	break;
612	}
613	}
614	}
615
616
617	/**
618	* Construct a mouse driver instance.
619	*
620	* @copydoc FNPDMDRVCONSTRUCT
621	*/
622	DECLCALLBACK(int) Mouse::drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
623	{
624	PDRVMAINMOUSE pData = PDMINS_2_DATA(pDrvIns, PDRVMAINMOUSE);
625	LogFlow(("drvMainMouse_Construct: iInstance=%d\n", pDrvIns->iInstance));
626	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
627
628	/*
629	* Validate configuration.
630	*/
631	if (!CFGMR3AreValuesValid(pCfg, "Object\0"))
632	return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
633	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
634	("Configuration error: Not possible to attach anything to this driver!\n"),
635	VERR_PDM_DRVINS_NO_ATTACH);
636
637	/*
638	* IBase.
639	*/
640	pDrvIns->IBase.pfnQueryInterface = Mouse::drvQueryInterface;
641
642	pData->IConnector.pfnReportModes = Mouse::mouseReportModes;
643
644	/*
645	* Get the IMousePort interface of the above driver/device.
646	*/
647	pData->pUpPort = (PPDMIMOUSEPORT)pDrvIns->pUpBase->pfnQueryInterface(pDrvIns->pUpBase, PDMIMOUSEPORT_IID);
648	if (!pData->pUpPort)
649	{
650	AssertMsgFailed(("Configuration error: No mouse port interface above!\n"));
651	return VERR_PDM_MISSING_INTERFACE_ABOVE;
652	}
653
654	/*
655	* Get the Mouse object pointer and update the mpDrv member.
656	*/
657	void *pv;
658	int rc = CFGMR3QueryPtr(pCfg, "Object", &pv);
659	if (RT_FAILURE(rc))
660	{
661	AssertMsgFailed(("Configuration error: No/bad \"Object\" value! rc=%Rrc\n", rc));
662	return rc;
663	}
664	pData->pMouse = (Mouse )pv; /* @todo Check this cast! */
665	unsigned cDev;
666	for (cDev = 0; cDev < MOUSE_MAX_DEVICES; ++cDev)
667	if (!pData->pMouse->mpDrv[cDev])
668	{
669	pData->pMouse->mpDrv[cDev] = pData;
670	break;
671	}
672	if (cDev == MOUSE_MAX_DEVICES)
673	return VERR_NO_MORE_HANDLES;
674
675	return VINF_SUCCESS;
676	}
677
678
679	/**
680	* Main mouse driver registration record.
681	*/
682	const PDMDRVREG Mouse::DrvReg =
683	{
684	/* u32Version */
685	PDM_DRVREG_VERSION,
686	/* szName */
687	"MainMouse",
688	/* szRCMod */
689	"",
690	/* szR0Mod */
691	"",
692	/* pszDescription */
693	"Main mouse driver (Main as in the API).",
694	/* fFlags */
695	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
696	/* fClass. */
697	PDM_DRVREG_CLASS_MOUSE,
698	/* cMaxInstances */
699	~0,
700	/* cbInstance */
701	sizeof(DRVMAINMOUSE),
702	/* pfnConstruct */
703	Mouse::drvConstruct,
704	/* pfnDestruct */
705	Mouse::drvDestruct,
706	/* pfnRelocate */
707	NULL,
708	/* pfnIOCtl */
709	NULL,
710	/* pfnPowerOn */
711	NULL,
712	/* pfnReset */
713	NULL,
714	/* pfnSuspend */
715	NULL,
716	/* pfnResume */
717	NULL,
718	/* pfnAttach */
719	NULL,
720	/* pfnDetach */
721	NULL,
722	/* pfnPowerOff */
723	NULL,
724	/* pfnSoftReset */
725	NULL,
726	/* u32EndVersion */
727	PDM_DRVREG_VERSION
728	};
729	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/MouseImpl.cpp@ 31649

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