UISession.cpp@ 98503

Last change on this file since 98503 was 98503, checked in by vboxsync, 2 years ago
FE/Qt: bugref:10322: Runtime UI: Rework CMouse wrapper usage the way it's fully encapsulated inside UISession.
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1	/* $Id: UISession.cpp 98503 2023-02-08 14:13:14Z vboxsync $ */
2	/** @file
3	* VBox Qt GUI - UISession class implementation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28	/* Qt includes: */
29	#include <QApplication>
30	#include <QWidget>
31	#ifdef VBOX_WS_WIN
32	# include <iprt/win/windows.h> /* Workaround for compile errors if included directly by QtWin. */
33	# include <QtWin>
34	#endif
35
36	/* GUI includes: */
37	#include "UIActionPoolRuntime.h"
38	#include "UICommon.h"
39	#include "UIConsoleEventHandler.h"
40	#include "UIDetailsGenerator.h"
41	#include "UIExtraDataManager.h"
42	#include "UIFrameBuffer.h"
43	#include "UIMachine.h"
44	#include "UIMachineLogic.h"
45	#include "UIMachineView.h"
46	#include "UIMachineWindow.h"
47	#include "UIMedium.h"
48	#include "UIMessageCenter.h"
49	#include "UIMousePointerShapeData.h"
50	#include "UINotificationCenter.h"
51	#include "UISession.h"
52	#include "UISettingsDialogSpecific.h"
53	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
54	# include "UIKeyboardHandler.h"
55	# include <signal.h>
56	#endif
57
58	/* COM includes: */
59	#include "CGraphicsAdapter.h"
60	#include "CHostNetworkInterface.h"
61	#include "CHostUSBDevice.h"
62	#include "CMedium.h"
63	#include "CMediumAttachment.h"
64	#include "CSnapshot.h"
65	#include "CStorageController.h"
66	#include "CSystemProperties.h"
67	#include "CUSBController.h"
68	#include "CUSBDeviceFilter.h"
69	#include "CUSBDeviceFilters.h"
70	#ifdef VBOX_WITH_NETFLT
71	# include "CNetworkAdapter.h"
72	#endif
73
74	/* External includes: */
75	#ifdef VBOX_WS_X11
76	# include <X11/Xlib.h>
77	# include <X11/Xutil.h>
78	#endif
79
80
81	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
82	static void signalHandlerSIGUSR1(int sig, siginfo_t , void );
83	#endif
84
85	/* static */
86	bool UISession::create(UISession &pSession, UIMachine pMachine)
87	{
88	/* Make sure NULL pointer passed: */
89	AssertReturn(!pSession, false);
90
91	/* Create session UI: */
92	pSession = new UISession(pMachine);
93	AssertPtrReturn(pSession, false);
94
95	/* Make sure it's prepared: */
96	if (!pSession->prepare())
97	{
98	/* Destroy session UI otherwise: */
99	destroy(pSession);
100	/* False in that case: */
101	return false;
102	}
103
104	/* True by default: */
105	return true;
106	}
107
108	/* static */
109	void UISession::destroy(UISession *&pSession)
110	{
111	/* Make sure valid pointer passed: */
112	AssertPtrReturnVoid(pSession);
113
114	/* Delete session: */
115	delete pSession;
116	pSession = 0;
117	}
118
119	bool UISession::initialize()
120	{
121	/* Preprocess initialization: */
122	if (!preprocessInitialization())
123	return false;
124
125	/* Notify user about mouse&keyboard auto-capturing: */
126	if (gEDataManager->autoCaptureEnabled())
127	UINotificationMessage::remindAboutAutoCapture();
128
129	m_enmMachineState = machine().GetState();
130
131	/* Apply debug settings from the command line. */
132	if (!debugger().isNull() && debugger().isOk())
133	{
134	if (uiCommon().areWeToExecuteAllInIem())
135	debugger().SetExecuteAllInIEM(true);
136	if (!uiCommon().isDefaultWarpPct())
137	debugger().SetVirtualTimeRate(uiCommon().getWarpPct());
138	}
139
140	/* Apply ad-hoc reconfigurations from the command line: */
141	if (uiCommon().hasFloppyImageToMount())
142	mountAdHocImage(KDeviceType_Floppy, UIMediumDeviceType_Floppy, uiCommon().getFloppyImage().toString());
143	if (uiCommon().hasDvdImageToMount())
144	mountAdHocImage(KDeviceType_DVD, UIMediumDeviceType_DVD, uiCommon().getDvdImage().toString());
145
146	/* Power UP if this is NOT separate process: */
147	if (!uiCommon().isSeparateProcess())
148	if (!powerUp())
149	return false;
150
151	/* Make sure all the pending Console events converted to signals
152	* during the powerUp() progress above reached their destinations.
153	* That is necessary to make sure all the pending machine state change events processed.
154	* We can't just use the machine state directly acquired from IMachine because there
155	* will be few places which are using stale machine state, not just this one. */
156	QApplication::sendPostedEvents(0, QEvent::MetaCall);
157
158	/* Check if we missed a really quick termination after successful startup: */
159	if (isTurnedOff())
160	{
161	LogRel(("GUI: Aborting startup due to invalid machine state detected: %d\n", machineState()));
162	return false;
163	}
164
165	/* Fetch corresponding states: */
166	if (uiCommon().isSeparateProcess())
167	{
168	sltAdditionsChange();
169	}
170	machineLogic()->initializePostPowerUp();
171
172	#ifdef VBOX_GUI_WITH_PIDFILE
173	uiCommon().createPidfile();
174	#endif /* VBOX_GUI_WITH_PIDFILE */
175
176	/* True by default: */
177	return true;
178	}
179
180	bool UISession::powerUp()
181	{
182	/* Power UP machine: */
183	CProgress comProgress = uiCommon().shouldStartPaused() ? console().PowerUpPaused() : console().PowerUp();
184
185	/* Check for immediate failure: */
186	if (!console().isOk() \|\| comProgress.isNull())
187	{
188	if (uiCommon().showStartVMErrors())
189	msgCenter().cannotStartMachine(console(), machineName());
190	LogRel(("GUI: Aborting startup due to power up issue detected...\n"));
191	return false;
192	}
193
194	/* Some logging right after we powered up: */
195	LogRel(("GUI: Qt version: %s\n", UICommon::qtRTVersionString().toUtf8().constData()));
196	#ifdef VBOX_WS_X11
197	LogRel(("GUI: X11 Window Manager code: %d\n", (int)uiCommon().typeOfWindowManager()));
198	#endif
199	#if defined(VBOX_WS_MAC) \|\| defined(VBOX_WS_WIN)
200	LogRel(("GUI: HID LEDs sync is %s\n", uimachine()->isHidLedsSyncEnabled() ? "enabled" : "disabled"));
201	#else
202	LogRel(("GUI: HID LEDs sync is not supported on this platform\n"));
203	#endif
204
205	/* Enable 'manual-override',
206	* preventing automatic Runtime UI closing
207	* and visual representation mode changes: */
208	uimachine()->setManualOverrideMode(true);
209
210	/* Show "Starting/Restoring" progress dialog: */
211	if (isSaved())
212	{
213	msgCenter().showModalProgressDialog(comProgress, machineName(), ":/progress_state_restore_90px.png", 0, 0);
214	/* After restoring from 'saved' state, machine-window(s) geometry should be adjusted: */
215	machineLogic()->adjustMachineWindowsGeometry();
216	}
217	else
218	{
219	#ifdef VBOX_IS_QT6_OR_LATER /** @todo why is this any problem on qt6? */
220	msgCenter().showModalProgressDialog(comProgress, machineName(), ":/progress_start_90px.png", 0, 0);
221	#else
222	msgCenter().showModalProgressDialog(comProgress, machineName(), ":/progress_start_90px.png");
223	#endif
224	/* After VM start, machine-window(s) size-hint(s) should be sent: */
225	machineLogic()->sendMachineWindowsSizeHints();
226	}
227
228	/* Check for progress failure: */
229	if (!comProgress.isOk() \|\| comProgress.GetResultCode() != 0)
230	{
231	if (uiCommon().showStartVMErrors())
232	msgCenter().cannotStartMachine(comProgress, machineName());
233	LogRel(("GUI: Aborting startup due to power up progress issue detected...\n"));
234	return false;
235	}
236
237	/* Disable 'manual-override' finally: */
238	uimachine()->setManualOverrideMode(false);
239
240	/* True by default: */
241	return true;
242	}
243
244	WId UISession::mainMachineWindowId() const
245	{
246	return mainMachineWindow() ? mainMachineWindow()->winId() : 0;
247	}
248
249	bool UISession::setPause(bool fPause)
250	{
251	if (fPause)
252	console().Pause();
253	else
254	console().Resume();
255
256	const bool fOk = console().isOk();
257	if (!fOk)
258	{
259	if (fPause)
260	UINotificationMessage::cannotPauseMachine(console());
261	else
262	UINotificationMessage::cannotResumeMachine(console());
263	}
264
265	return fOk;
266	}
267
268	void UISession::putScancode(LONG iCode)
269	{
270	CKeyboard comKeyboard = keyboard();
271	comKeyboard.PutScancode(iCode);
272	if (!comKeyboard.isOk())
273	UINotificationMessage::cannotChangeKeyboardParameter(comKeyboard);
274	}
275
276	void UISession::putScancodes(const QVector<LONG> &codes)
277	{
278	CKeyboard comKeyboard = keyboard();
279	comKeyboard.PutScancodes(codes);
280	if (!comKeyboard.isOk())
281	UINotificationMessage::cannotChangeKeyboardParameter(comKeyboard);
282	}
283
284	void UISession::putCad()
285	{
286	CKeyboard comKeyboard = keyboard();
287	comKeyboard.PutCAD();
288	if (!comKeyboard.isOk())
289	UINotificationMessage::cannotChangeKeyboardParameter(comKeyboard);
290	}
291
292	void UISession::releaseKeys()
293	{
294	CKeyboard comKeyboard = keyboard();
295	comKeyboard.ReleaseKeys();
296	if (!comKeyboard.isOk())
297	UINotificationMessage::cannotChangeKeyboardParameter(comKeyboard);
298	}
299
300	void UISession::putUsageCode(LONG iUsageCode, LONG iUsagePage, BOOL fKeyRelease)
301	{
302	CKeyboard comKeyboard = keyboard();
303	comKeyboard.PutUsageCode(iUsageCode, iUsagePage, fKeyRelease);
304	if (!comKeyboard.isOk())
305	UINotificationMessage::cannotChangeKeyboardParameter(comKeyboard);
306	}
307
308	BOOL UISession::getAbsoluteSupported()
309	{
310	return mouse().GetAbsoluteSupported();
311	}
312
313	BOOL UISession::getRelativeSupported()
314	{
315	return mouse().GetRelativeSupported();
316	}
317
318	BOOL UISession::getTouchScreenSupported()
319	{
320	return mouse().GetTouchScreenSupported();
321	}
322
323	BOOL UISession::getTouchPadSupported()
324	{
325	return mouse().GetTouchPadSupported();
326	}
327
328	BOOL UISession::getNeedsHostCursor()
329	{
330	return mouse().GetNeedsHostCursor();
331	}
332
333	void UISession::putMouseEvent(LONG iDx, LONG iDy, LONG iDz, LONG iDw, LONG iButtonState)
334	{
335	CMouse comMouse = mouse();
336	comMouse.PutMouseEvent(iDx, iDy, iDz, iDw, iButtonState);
337	if (!comMouse.isOk())
338	UINotificationMessage::cannotChangeMouseParameter(comMouse);
339	}
340
341	void UISession::putMouseEventAbsolute(LONG iX, LONG iY, LONG iDz, LONG iDw, LONG iButtonState)
342	{
343	CMouse comMouse = mouse();
344	comMouse.PutMouseEventAbsolute(iX, iY, iDz, iDw, iButtonState);
345	if (!comMouse.isOk())
346	UINotificationMessage::cannotChangeMouseParameter(comMouse);
347	}
348
349	void UISession::putEventMultiTouch(LONG iCount, const QVector<LONG64> &contacts, BOOL fIsTouchScreen, ULONG uScanTime)
350	{
351	CMouse comMouse = mouse();
352	comMouse.PutEventMultiTouch(iCount, contacts, fIsTouchScreen, uScanTime);
353	if (!comMouse.isOk())
354	UINotificationMessage::cannotChangeMouseParameter(comMouse);
355	}
356
357	bool UISession::guestAdditionsUpgradable()
358	{
359	if (!machine().isOk())
360	return false;
361
362	/* Auto GA update is currently for Windows and Linux guests only */
363	const CGuestOSType osType = uiCommon().vmGuestOSType(machine().GetOSTypeId());
364	if (!osType.isOk())
365	return false;
366
367	const QString strGuestFamily = osType.GetFamilyId();
368	bool fIsWindowOrLinux = strGuestFamily.contains("windows", Qt::CaseInsensitive) \|\| strGuestFamily.contains("linux", Qt::CaseInsensitive);
369
370	if (!fIsWindowOrLinux)
371	return false;
372
373	/* Also check whether we have something to update automatically: */
374	if (m_ulGuestAdditionsRunLevel < (ULONG)KAdditionsRunLevelType_Userland)
375	return false;
376
377	return true;
378	}
379
380	UIFrameBuffer *UISession::frameBuffer(ulong uScreenId) const
381	{
382	Assert(uScreenId < (ulong)m_frameBufferVector.size());
383	return m_frameBufferVector.value((int)uScreenId, 0);
384	}
385
386	void UISession::setFrameBuffer(ulong uScreenId, UIFrameBuffer *pFrameBuffer)
387	{
388	Assert(uScreenId < (ulong)m_frameBufferVector.size());
389	if (uScreenId < (ulong)m_frameBufferVector.size())
390	m_frameBufferVector[(int)uScreenId] = pFrameBuffer;
391	}
392
393	QSize UISession::frameBufferSize(ulong uScreenId) const
394	{
395	UIFrameBuffer *pFramebuffer = frameBuffer(uScreenId);
396	return pFramebuffer ? QSize(pFramebuffer->width(), pFramebuffer->height()) : QSize();
397	}
398
399	void UISession::acquireDeviceActivity(const QVector<KDeviceType> &deviceTypes, QVector<KDeviceActivity> &states)
400	{
401	CConsole comConsole = console();
402	states = comConsole.GetDeviceActivity(deviceTypes);
403	if (!comConsole.isOk())
404	UINotificationMessage::cannotAcquireConsoleParameter(comConsole);
405	}
406
407	void UISession::acquireHardDiskStatusInfo(QString &strInfo, bool &fAttachmentsPresent)
408	{
409	CMachine comMachine = machine();
410	UIDetailsGenerator::acquireHardDiskStatusInfo(comMachine, strInfo, fAttachmentsPresent);
411	}
412
413	void UISession::acquireOpticalDiskStatusInfo(QString &strInfo, bool &fAttachmentsPresent, bool &fAttachmentsMounted)
414	{
415	CMachine comMachine = machine();
416	UIDetailsGenerator::acquireOpticalDiskStatusInfo(comMachine, strInfo, fAttachmentsPresent, fAttachmentsMounted);
417	}
418
419	void UISession::acquireFloppyDiskStatusInfo(QString &strInfo, bool &fAttachmentsPresent, bool &fAttachmentsMounted)
420	{
421	CMachine comMachine = machine();
422	UIDetailsGenerator::acquireFloppyDiskStatusInfo(comMachine, strInfo, fAttachmentsPresent, fAttachmentsMounted);
423	}
424
425	void UISession::acquireAudioStatusInfo(QString &strInfo, bool &fAudioEnabled, bool &fEnabledOutput, bool &fEnabledInput)
426	{
427	CMachine comMachine = machine();
428	UIDetailsGenerator::acquireAudioStatusInfo(comMachine, strInfo, fAudioEnabled, fEnabledOutput, fEnabledInput);
429	}
430
431	void UISession::acquireNetworkStatusInfo(QString &strInfo, bool &fAdaptersPresent, bool &fCablesDisconnected)
432	{
433	CMachine comMachine = machine();
434	UIDetailsGenerator::acquireNetworkStatusInfo(comMachine, strInfo, fAdaptersPresent, fCablesDisconnected);
435	}
436
437	void UISession::acquireUsbStatusInfo(QString &strInfo, bool &fUsbEnableds)
438	{
439	CMachine comMachine = machine();
440	CConsole comConsole = console();
441	UIDetailsGenerator::acquireUsbStatusInfo(comMachine, comConsole, strInfo, fUsbEnableds);
442	}
443
444	void UISession::acquireSharedFoldersStatusInfo(QString &strInfo, bool &fFoldersPresent)
445	{
446	CMachine comMachine = machine();
447	CConsole comConsole = console();
448	CGuest comGuest = guest();
449	UIDetailsGenerator::acquireSharedFoldersStatusInfo(comMachine, comConsole, comGuest, strInfo, fFoldersPresent);
450	}
451
452	void UISession::acquireDisplayStatusInfo(QString &strInfo, bool &fAcceleration3D)
453	{
454	CMachine comMachine = machine();
455	UIDetailsGenerator::acquireDisplayStatusInfo(comMachine, strInfo, fAcceleration3D);
456	}
457
458	void UISession::acquireRecordingStatusInfo(QString &strInfo, bool &fRecordingEnabled, bool &fMachinePaused)
459	{
460	CMachine comMachine = machine();
461	fMachinePaused = isPaused();
462	UIDetailsGenerator::acquireRecordingStatusInfo(comMachine, strInfo, fRecordingEnabled);
463	}
464
465	void UISession::acquireCpuLoadPercentage(int &iPercentage)
466	{
467	CMachineDebugger comDebugger = debugger();
468	ULONG uPctExecuting;
469	ULONG uPctHalted;
470	ULONG uPctOther;
471	comDebugger.GetCPULoad(0x7fffffff, uPctExecuting, uPctHalted, uPctOther);
472	iPercentage = uPctExecuting + uPctOther;
473	}
474
475	void UISession::acquireFeaturesStatusInfo(QString &strInfo, KVMExecutionEngine &enmEngine,
476	bool fNestedPagingEnabled, bool fUxEnabled,
477	KParavirtProvider enmProvider)
478	{
479	CMachine comMachine = machine();
480	UIDetailsGenerator::acquireFeaturesStatusInfo(comMachine, strInfo,
481	enmEngine,
482	fNestedPagingEnabled, fUxEnabled,
483	enmProvider);
484	}
485
486	bool UISession::prepareToBeSaved()
487	{
488	return isPaused()
489	\|\| (isRunning() && pause());
490	}
491
492	bool UISession::prepareToBeShutdowned()
493	{
494	const bool fValidMode = console().GetGuestEnteredACPIMode();
495	if (!fValidMode)
496	UINotificationMessage::cannotSendACPIToMachine();
497	return fValidMode;
498	}
499
500	void UISession::sltInstallGuestAdditionsFrom(const QString &strSource)
501	{
502	if (!guestAdditionsUpgradable())
503	return sltMountDVDAdHoc(strSource);
504
505	/* Update guest additions automatically: */
506	UINotificationProgressGuestAdditionsInstall *pNotification =
507	new UINotificationProgressGuestAdditionsInstall(guest(), strSource);
508	connect(pNotification, &UINotificationProgressGuestAdditionsInstall::sigGuestAdditionsInstallationFailed,
509	this, &UISession::sltMountDVDAdHoc);
510	gpNotificationCenter->append(pNotification);
511	}
512
513	void UISession::sltMountDVDAdHoc(const QString &strSource)
514	{
515	mountAdHocImage(KDeviceType_DVD, UIMediumDeviceType_DVD, strSource);
516	}
517
518	void UISession::sltDetachCOM()
519	{
520	/* Cleanup everything COM related: */
521	cleanupFramebuffers();
522	cleanupConsoleEventHandlers();
523	cleanupNotificationCenter();
524	cleanupSession();
525	}
526
527	void UISession::sltStateChange(KMachineState enmState)
528	{
529	/* Check if something had changed: */
530	if (m_enmMachineState != enmState)
531	{
532	/* Store new data: */
533	m_enmMachineStatePrevious = m_enmMachineState;
534	m_enmMachineState = enmState;
535
536	/* Notify listeners about machine state changed: */
537	emit sigMachineStateChange();
538	}
539	}
540
541	void UISession::sltAdditionsChange()
542	{
543	/* Acquire actual states: */
544	const ULONG ulGuestAdditionsRunLevel = guest().GetAdditionsRunLevel();
545	LONG64 lLastUpdatedIgnored;
546	const bool fIsGuestSupportsGraphics = guest().GetFacilityStatus(KAdditionsFacilityType_Graphics, lLastUpdatedIgnored)
547	== KAdditionsFacilityStatus_Active;
548	const bool fIsGuestSupportsSeamless = guest().GetFacilityStatus(KAdditionsFacilityType_Seamless, lLastUpdatedIgnored)
549	== KAdditionsFacilityStatus_Active;
550
551	/* Check if something had changed: */
552	if ( m_ulGuestAdditionsRunLevel != ulGuestAdditionsRunLevel
553	\|\| m_fIsGuestSupportsGraphics != fIsGuestSupportsGraphics
554	\|\| m_fIsGuestSupportsSeamless != fIsGuestSupportsSeamless)
555	{
556	/* Store new data: */
557	m_ulGuestAdditionsRunLevel = ulGuestAdditionsRunLevel;
558	m_fIsGuestSupportsGraphics = fIsGuestSupportsGraphics;
559	m_fIsGuestSupportsSeamless = fIsGuestSupportsSeamless;
560
561	/* Notify listeners about GA state really changed: */
562	LogRel(("GUI: UISession::sltAdditionsChange: GA state really changed, notifying listeners.\n"));
563	emit sigAdditionsStateActualChange();
564	}
565	else
566	LogRel(("GUI: UISession::sltAdditionsChange: GA state doesn't really changed, still notifying listeners.\n"));
567
568	/* Notify listeners about GA state change event came: */
569	emit sigAdditionsStateChange();
570	}
571
572	UISession::UISession(UIMachine *pMachine)
573	: QObject(pMachine)
574	/* Base variables: */
575	, m_pMachine(pMachine)
576	, m_pConsoleEventhandler(0)
577	/* Common variables: */
578	, m_enmMachineStatePrevious(KMachineState_Null)
579	, m_enmMachineState(KMachineState_Null)
580	/* Guest additions flags: */
581	, m_ulGuestAdditionsRunLevel(0)
582	, m_fIsGuestSupportsGraphics(false)
583	, m_fIsGuestSupportsSeamless(false)
584	{
585	}
586
587	UISession::~UISession()
588	{
589	}
590
591	bool UISession::prepare()
592	{
593	/* Prepare COM stuff: */
594	if (!prepareSession())
595	return false;
596
597	/* Cache media early if requested: */
598	if (uiCommon().agressiveCaching())
599	recacheMachineMedia();
600
601	/* Prepare GUI stuff: */
602	prepareNotificationCenter();
603	prepareConsoleEventHandlers();
604	prepareFramebuffers();
605	prepareConnections();
606	prepareSignalHandling();
607
608	/* True by default: */
609	return true;
610	}
611
612	bool UISession::prepareSession()
613	{
614	/* Open session: */
615	m_comSession = uiCommon().openSession(uiCommon().managedVMUuid(),
616	uiCommon().isSeparateProcess()
617	? KLockType_Shared
618	: KLockType_VM);
619	if (m_comSession.isNull())
620	return false;
621
622	/* Get machine: */
623	m_comMachine = m_comSession.GetMachine();
624	if (m_comMachine.isNull())
625	return false;
626
627	/* Get console: */
628	m_comConsole = m_comSession.GetConsole();
629	if (m_comConsole.isNull())
630	return false;
631
632	/* Get display: */
633	m_comDisplay = m_comConsole.GetDisplay();
634	if (m_comDisplay.isNull())
635	return false;
636
637	/* Get guest: */
638	m_comGuest = m_comConsole.GetGuest();
639	if (m_comGuest.isNull())
640	return false;
641
642	/* Get mouse: */
643	m_comMouse = m_comConsole.GetMouse();
644	if (m_comMouse.isNull())
645	return false;
646
647	/* Get keyboard: */
648	m_comKeyboard = m_comConsole.GetKeyboard();
649	if (m_comKeyboard.isNull())
650	return false;
651
652	/* Get debugger: */
653	m_comDebugger = m_comConsole.GetDebugger();
654	if (m_comDebugger.isNull())
655	return false;
656
657	/* Update machine-name: */
658	m_strMachineName = machine().GetName();
659
660	/* Update machine-state: */
661	m_enmMachineState = machine().GetState();
662
663	/* True by default: */
664	return true;
665	}
666
667	void UISession::prepareNotificationCenter()
668	{
669	UINotificationCenter::create();
670	}
671
672	void UISession::prepareConsoleEventHandlers()
673	{
674	/* Create console event-handler: */
675	m_pConsoleEventhandler = new UIConsoleEventHandler(this);
676
677	/* Console event connections: */
678	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigAdditionsChange,
679	this, &UISession::sltAdditionsChange);
680	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigAudioAdapterChange,
681	this, &UISession::sigAudioAdapterChange);
682	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigClipboardModeChange,
683	this, &UISession::sigClipboardModeChange);
684	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigCPUExecutionCapChange,
685	this, &UISession::sigCPUExecutionCapChange);
686	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigDnDModeChange,
687	this, &UISession::sigDnDModeChange);
688	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigGuestMonitorChange,
689	this, &UISession::sigGuestMonitorChange);
690	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigMediumChange,
691	this, &UISession::sigMediumChange);
692	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigNetworkAdapterChange,
693	this, &UISession::sigNetworkAdapterChange);
694	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigRecordingChange,
695	this, &UISession::sigRecordingChange);
696	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigSharedFolderChange,
697	this, &UISession::sigSharedFolderChange);
698	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigStateChange,
699	this, &UISession::sltStateChange);
700	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigStorageDeviceChange,
701	this, &UISession::sigStorageDeviceChange);
702	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigUSBControllerChange,
703	this, &UISession::sigUSBControllerChange);
704	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigUSBDeviceStateChange,
705	this, &UISession::sigUSBDeviceStateChange);
706	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigVRDEChange,
707	this, &UISession::sigVRDEChange);
708	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigRuntimeError,
709	this, &UISession::sigRuntimeError);
710
711	#ifdef VBOX_WS_MAC
712	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigShowWindow,
713	this, &UISession::sigShowWindows, Qt::QueuedConnection);
714	#endif
715
716	/* Console keyboard connections: */
717	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigKeyboardLedsChange,
718	this, &UISession::sigKeyboardLedsChange);
719
720	/* Console mouse connections: */
721	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigMousePointerShapeChange,
722	this, &UISession::sigMousePointerShapeChange);
723	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigMouseCapabilityChange,
724	this, &UISession::sigMouseCapabilityChange);
725	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigCursorPositionChange,
726	this, &UISession::sigCursorPositionChange);
727	}
728
729	void UISession::prepareFramebuffers()
730	{
731	/* Each framebuffer will be really prepared on first UIMachineView creation: */
732	m_frameBufferVector.resize(machine().GetGraphicsAdapter().GetMonitorCount());
733	}
734
735	void UISession::prepareConnections()
736	{
737	/* UICommon connections: */
738	connect(&uiCommon(), &UICommon::sigAskToDetachCOM, this, &UISession::sltDetachCOM);
739	}
740
741	void UISession::prepareSignalHandling()
742	{
743	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
744	struct sigaction sa;
745	sa.sa_sigaction = &signalHandlerSIGUSR1;
746	sigemptyset(&sa.sa_mask);
747	sa.sa_flags = SA_RESTART \| SA_SIGINFO;
748	sigaction(SIGUSR1, &sa, NULL);
749	#endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */
750	}
751
752	void UISession::cleanupFramebuffers()
753	{
754	/* Cleanup framebuffers finally: */
755	for (int i = m_frameBufferVector.size() - 1; i >= 0; --i)
756	{
757	UIFrameBuffer *pFrameBuffer = m_frameBufferVector[i];
758	if (pFrameBuffer)
759	{
760	/* Mark framebuffer as unused: */
761	pFrameBuffer->setMarkAsUnused(true);
762	/* Detach framebuffer from Display: */
763	pFrameBuffer->detach();
764	/* Delete framebuffer reference: */
765	delete pFrameBuffer;
766	}
767	}
768	m_frameBufferVector.clear();
769	}
770
771	void UISession::cleanupConsoleEventHandlers()
772	{
773	/* Destroy console event-handler: */
774	delete m_pConsoleEventhandler;
775	m_pConsoleEventhandler = 0;
776	}
777
778	void UISession::cleanupNotificationCenter()
779	{
780	UINotificationCenter::destroy();
781	}
782
783	void UISession::cleanupSession()
784	{
785	/* Detach debugger: */
786	if (!m_comDebugger.isNull())
787	m_comDebugger.detach();
788
789	/* Detach keyboard: */
790	if (!m_comKeyboard.isNull())
791	m_comKeyboard.detach();
792
793	/* Detach mouse: */
794	if (!m_comMouse.isNull())
795	m_comMouse.detach();
796
797	/* Detach guest: */
798	if (!m_comGuest.isNull())
799	m_comGuest.detach();
800
801	/* Detach display: */
802	if (!m_comDisplay.isNull())
803	m_comDisplay.detach();
804
805	/* Detach console: */
806	if (!m_comConsole.isNull())
807	m_comConsole.detach();
808
809	/* Detach machine: */
810	if (!m_comMachine.isNull())
811	m_comMachine.detach();
812
813	/* Close session: */
814	if (!m_comSession.isNull() && uiCommon().isVBoxSVCAvailable())
815	{
816	m_comSession.UnlockMachine();
817	m_comSession.detach();
818	}
819	}
820
821	UIMachineLogic *UISession::machineLogic() const
822	{
823	return uimachine() ? uimachine()->machineLogic() : 0;
824	}
825
826	UIMachineWindow *UISession::activeMachineWindow() const
827	{
828	return machineLogic() ? machineLogic()->activeMachineWindow() : 0;
829	}
830
831	QWidget *UISession::mainMachineWindow() const
832	{
833	return machineLogic() ? machineLogic()->mainMachineWindow() : 0;
834	}
835
836	bool UISession::preprocessInitialization()
837	{
838	#ifdef VBOX_WITH_NETFLT
839	/* Skip network interface name checks if VM in saved state: */
840	if (!isSaved())
841	{
842	/* Make sure all the attached and enabled network
843	* adapters are present on the host. This check makes sense
844	* in two cases only - when attachement type is Bridged Network
845	* or Host-only Interface. NOTE: Only currently enabled
846	* attachement type is checked (incorrect parameters check for
847	* currently disabled attachement types is skipped). */
848	QStringList failedInterfaceNames;
849	QStringList availableInterfaceNames;
850
851	/* Create host network interface names list: */
852	foreach (const CHostNetworkInterface &comNetIface, uiCommon().host().GetNetworkInterfaces())
853	{
854	availableInterfaceNames << comNetIface.GetName();
855	availableInterfaceNames << comNetIface.GetShortName();
856	}
857
858	/* Enumerate all the virtual network adapters: */
859	const ulong cCount = uiCommon().virtualBox().GetSystemProperties().GetMaxNetworkAdapters(machine().GetChipsetType());
860	for (ulong uAdapterIndex = 0; uAdapterIndex < cCount; ++uAdapterIndex)
861	{
862	CNetworkAdapter comNetworkAdapter = machine().GetNetworkAdapter(uAdapterIndex);
863	if (comNetworkAdapter.GetEnabled())
864	{
865	/* Get physical network interface name for
866	* currently enabled network attachement type: */
867	QString strInterfaceName;
868	switch (comNetworkAdapter.GetAttachmentType())
869	{
870	case KNetworkAttachmentType_Bridged:
871	strInterfaceName = comNetworkAdapter.GetBridgedInterface();
872	break;
873	#ifndef VBOX_WITH_VMNET
874	case KNetworkAttachmentType_HostOnly:
875	strInterfaceName = comNetworkAdapter.GetHostOnlyInterface();
876	break;
877	#endif /* !VBOX_WITH_VMNET */
878	default:
879	break;
880	}
881
882	if ( !strInterfaceName.isEmpty()
883	&& !availableInterfaceNames.contains(strInterfaceName))
884	{
885	LogRel(("GUI: Invalid network interface found: %s\n", strInterfaceName.toUtf8().constData()));
886	failedInterfaceNames << QString("%1 (adapter %2)").arg(strInterfaceName).arg(uAdapterIndex + 1);
887	}
888	}
889	}
890
891	/* Check if non-existent interfaces found: */
892	if (!failedInterfaceNames.isEmpty())
893	{
894	if (msgCenter().warnAboutNetworkInterfaceNotFound(machineName(), failedInterfaceNames.join(", ")))
895	machineLogic()->openNetworkSettingsDialog();
896	else
897	{
898	LogRel(("GUI: Aborting startup due to preprocess initialization issue detected...\n"));
899	return false;
900	}
901	}
902	}
903	#endif /* VBOX_WITH_NETFLT */
904
905	/* Check for USB enumeration warning. Don't return false even if we have a warning: */
906	CHost comHost = uiCommon().host();
907	if (comHost.GetUSBDevices().isEmpty() && comHost.isWarning())
908	{
909	/* Do not bitch if USB disabled: */
910	if (!machine().GetUSBControllers().isEmpty())
911	{
912	/* Do not bitch if there are no filters (check if enabled too?): */
913	if (!machine().GetUSBDeviceFilters().GetDeviceFilters().isEmpty())
914	UINotificationMessage::cannotEnumerateHostUSBDevices(comHost);
915	}
916	}
917
918	/* True by default: */
919	return true;
920	}
921
922	bool UISession::mountAdHocImage(KDeviceType enmDeviceType, UIMediumDeviceType enmMediumType, const QString &strMediumName)
923	{
924	/* Get VBox: */
925	CVirtualBox comVBox = uiCommon().virtualBox();
926
927	/* Prepare medium to mount: */
928	UIMedium guiMedium;
929
930	/* The 'none' medium name means ejecting what ever is in the drive,
931	* in that case => leave the guiMedium variable null. */
932	if (strMediumName != "none")
933	{
934	/* Open the medium: */
935	const CMedium comMedium = comVBox.OpenMedium(strMediumName, enmDeviceType, KAccessMode_ReadWrite, false /* fForceNewUuid */);
936	if (!comVBox.isOk() \|\| comMedium.isNull())
937	{
938	UINotificationMessage::cannotOpenMedium(comVBox, strMediumName);
939	return false;
940	}
941
942	/* Make sure medium ID is valid: */
943	const QUuid uMediumId = comMedium.GetId();
944	AssertReturn(!uMediumId.isNull(), false);
945
946	/* Try to find UIMedium among cached: */
947	guiMedium = uiCommon().medium(uMediumId);
948	if (guiMedium.isNull())
949	{
950	/* Cache new one if necessary: */
951	guiMedium = UIMedium(comMedium, enmMediumType, KMediumState_Created);
952	uiCommon().createMedium(guiMedium);
953	}
954	}
955
956	/* Search for a suitable storage slots: */
957	QList<ExactStorageSlot> aFreeStorageSlots;
958	QList<ExactStorageSlot> aBusyStorageSlots;
959	foreach (const CStorageController &comController, machine().GetStorageControllers())
960	{
961	foreach (const CMediumAttachment &comAttachment, machine().GetMediumAttachmentsOfController(comController.GetName()))
962	{
963	/* Look for an optical devices only: */
964	if (comAttachment.GetType() == enmDeviceType)
965	{
966	/* Append storage slot to corresponding list: */
967	if (comAttachment.GetMedium().isNull())
968	aFreeStorageSlots << ExactStorageSlot(comController.GetName(), comController.GetBus(),
969	comAttachment.GetPort(), comAttachment.GetDevice());
970	else
971	aBusyStorageSlots << ExactStorageSlot(comController.GetName(), comController.GetBus(),
972	comAttachment.GetPort(), comAttachment.GetDevice());
973	}
974	}
975	}
976
977	/* Make sure at least one storage slot found: */
978	QList<ExactStorageSlot> sStorageSlots = aFreeStorageSlots + aBusyStorageSlots;
979	if (sStorageSlots.isEmpty())
980	{
981	UINotificationMessage::cannotMountImage(machineName(), strMediumName);
982	return false;
983	}
984
985	/* Try to mount medium into first available storage slot: */
986	while (!sStorageSlots.isEmpty())
987	{
988	const ExactStorageSlot storageSlot = sStorageSlots.takeFirst();
989	machine().MountMedium(storageSlot.controller, storageSlot.port, storageSlot.device, guiMedium.medium(), false /* force */);
990	if (machine().isOk())
991	break;
992	}
993
994	/* Show error message if necessary: */
995	if (!machine().isOk())
996	{
997	msgCenter().cannotRemountMedium(machine(), guiMedium, true /* mount? /, false / retry? */, activeMachineWindow());
998	return false;
999	}
1000
1001	/* Save machine settings: */
1002	machine().SaveSettings();
1003
1004	/* Show error message if necessary: */
1005	if (!machine().isOk())
1006	{
1007	UINotificationMessage::cannotSaveMachineSettings(machine());
1008	return false;
1009	}
1010
1011	/* True by default: */
1012	return true;
1013	}
1014
1015	void UISession::recacheMachineMedia()
1016	{
1017	/* Compose a list of machine media: */
1018	CMediumVector comMedia;
1019
1020	/* Enumerate all the controllers: */
1021	foreach (const CStorageController &comController, machine().GetStorageControllers())
1022	{
1023	/* Enumerate all the attachments: */
1024	foreach (const CMediumAttachment &comAttachment, machine().GetMediumAttachmentsOfController(comController.GetName()))
1025	{
1026	/* Skip unrelated device types: */
1027	const KDeviceType enmDeviceType = comAttachment.GetType();
1028	if ( enmDeviceType != KDeviceType_HardDisk
1029	&& enmDeviceType != KDeviceType_Floppy
1030	&& enmDeviceType != KDeviceType_DVD)
1031	continue;
1032	if ( comAttachment.GetIsEjected()
1033	\|\| comAttachment.GetMedium().isNull())
1034	continue;
1035	comMedia.append(comAttachment.GetMedium());
1036	}
1037	}
1038
1039	/* Start media enumeration: */
1040	uiCommon().enumerateMedia(comMedia);
1041	}
1042
1043	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
1044	/**
1045	* Custom signal handler. When switching VTs, we might not get release events
1046	* for Ctrl-Alt and in case a savestate is performed on the new VT, the VM will
1047	* be saved with modifier keys stuck. This is annoying enough for introducing
1048	* this hack.
1049	*/
1050	/* static */
1051	static void signalHandlerSIGUSR1(int sig, siginfo_t * /* pInfo /, void /pSecret /)
1052	{
1053	/* Only SIGUSR1 is interesting: */
1054	if (sig == SIGUSR1)
1055	if (gpMachine)
1056	gpMachine->machineLogic()->keyboardHandler()->releaseAllPressedKeys();
1057	}
1058	#endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */

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source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/runtime/UISession.cpp@ 98503

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