UISession.cpp@ 53320

Last change on this file since 53320 was 53320, checked in by vboxsync, 10 years ago
FE/Qt: 7599: Handle menu-bar / status-bar extra-data changes on the broadcast basis.
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1	/* $Id: UISession.cpp 53320 2014-11-13 11:23:02Z vboxsync $ */
2	/** @file
3	* VBox Qt GUI - UISession class implementation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 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	#ifdef VBOX_WITH_PRECOMPILED_HEADERS
19	# include <precomp.h>
20	#else /* !VBOX_WITH_PRECOMPILED_HEADERS */
21
22	/* Qt includes: */
23	# include <QApplication>
24	# include <QDesktopWidget>
25	# include <QWidget>
26	# ifdef Q_WS_MAC
27	# include <QTimer>
28	# endif /* Q_WS_MAC */
29
30	/* GUI includes: */
31	# include "VBoxGlobal.h"
32	# include "UIExtraDataManager.h"
33	# include "UISession.h"
34	# include "UIMachine.h"
35	# include "UIMedium.h"
36	# include "UIActionPoolRuntime.h"
37	# include "UIMachineLogic.h"
38	# include "UIMachineView.h"
39	# include "UIMachineWindow.h"
40	# include "UIMessageCenter.h"
41	# include "UIPopupCenter.h"
42	# include "UIWizardFirstRun.h"
43	# include "UIConsoleEventHandler.h"
44	# include "UIFrameBuffer.h"
45	# include "UISettingsDialogSpecific.h"
46	# ifdef VBOX_WITH_VIDEOHWACCEL
47	# include "VBoxFBOverlay.h"
48	# endif /* VBOX_WITH_VIDEOHWACCEL */
49	# ifdef Q_WS_MAC
50	# include "UIMenuBar.h"
51	# include "VBoxUtils-darwin.h"
52	# endif /* Q_WS_MAC */
53
54	# ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
55	# include "UIKeyboardHandler.h"
56	# include <signal.h>
57	# endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */
58
59	/* COM includes: */
60	# include "CSystemProperties.h"
61	# include "CStorageController.h"
62	# include "CMediumAttachment.h"
63	# include "CNetworkAdapter.h"
64	# include "CHostNetworkInterface.h"
65	# include "CVRDEServer.h"
66	# include "CUSBController.h"
67	# include "CUSBDeviceFilters.h"
68	# include "CHostVideoInputDevice.h"
69	# include "CSnapshot.h"
70	# include "CMedium.h"
71
72	#endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
73
74	#ifdef Q_WS_X11
75	# include <QX11Info>
76	# include <X11/Xlib.h>
77	# include <X11/Xutil.h>
78	# ifndef VBOX_WITHOUT_XCURSOR
79	# include <X11/Xcursor/Xcursor.h>
80	# endif /* VBOX_WITHOUT_XCURSOR */
81	#endif /* Q_WS_X11 */
82
83
84	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
85	static void signalHandlerSIGUSR1(int sig, siginfo_t , void );
86	#endif
87
88	#ifdef Q_WS_MAC
89	/**
90	* MacOS X: Application Services: Core Graphics: Display reconfiguration callback.
91	*
92	* Notifies UISession about @a display configuration change.
93	* Corresponding change described by Core Graphics @a flags.
94	* Uses UISession @a pHandler to process this change.
95	*
96	* @note Last argument (@a pHandler) must always be valid pointer to UISession object.
97	* @note Calls for UISession::sltHandleHostDisplayAboutToChange() slot if display configuration changed.
98	*/
99	void cgDisplayReconfigurationCallback(CGDirectDisplayID display, CGDisplayChangeSummaryFlags flags, void *pHandler)
100	{
101	/* Which flags we are handling? */
102	int iHandledFlags = kCGDisplayAddFlag /* display added */
103	\| kCGDisplayRemoveFlag /* display removed */
104	\| kCGDisplaySetModeFlag /* display mode changed */;
105
106	/* Handle 'display-add' case: */
107	if (flags & kCGDisplayAddFlag)
108	LogRelFlow(("UISession::cgDisplayReconfigurationCallback: Display added.\n"));
109	/* Handle 'display-remove' case: */
110	else if (flags & kCGDisplayRemoveFlag)
111	LogRelFlow(("UISession::cgDisplayReconfigurationCallback: Display removed.\n"));
112	/* Handle 'mode-set' case: */
113	else if (flags & kCGDisplaySetModeFlag)
114	LogRelFlow(("UISession::cgDisplayReconfigurationCallback: Display mode changed.\n"));
115
116	/* Ask handler to process our callback: */
117	if (flags & iHandledFlags)
118	QTimer::singleShot(0, static_cast<UISession*>(pHandler),
119	SLOT(sltHandleHostDisplayAboutToChange()));
120
121	Q_UNUSED(display);
122	}
123	#endif /* Q_WS_MAC */
124
125	/* static */
126	bool UISession::create(UISession &pSession, UIMachine pMachine)
127	{
128	/* Make sure null pointer passed: */
129	AssertReturn(pSession == 0, false);
130
131	/* Create session UI: */
132	pSession = new UISession(pMachine);
133	/* Make sure it's prepared: */
134	if (!pSession->prepare())
135	{
136	/* Destroy session UI otherwise: */
137	destroy(pSession);
138	/* False in that case: */
139	return false;
140	}
141	/* True by default: */
142	return true;
143	}
144
145	/* static */
146	void UISession::destroy(UISession *&pSession)
147	{
148	/* Make sure valid pointer passed: */
149	AssertReturnVoid(pSession != 0);
150
151	/* Cleanup session UI: */
152	pSession->cleanup();
153	/* Destroy session: */
154	delete pSession;
155	pSession = 0;
156	}
157
158	bool UISession::initialize()
159	{
160	/* Preprocess initialization: */
161	if (!preprocessInitialization())
162	return false;
163
164	/* Notify user about mouse&keyboard auto-capturing: */
165	if (vboxGlobal().settings().autoCapture())
166	popupCenter().remindAboutAutoCapture(machineLogic()->activeMachineWindow());
167
168	/* Check if we are in teleportation waiting mode.
169	* In that case no first run wizard is necessary. */
170	m_machineState = machine().GetState();
171	if ( isFirstTimeStarted()
172	&& !(( m_machineState == KMachineState_PoweredOff
173	\|\| m_machineState == KMachineState_Aborted
174	\|\| m_machineState == KMachineState_Teleported)
175	&& machine().GetTeleporterEnabled()))
176	{
177	UISafePointerWizard pWizard = new UIWizardFirstRun(mainMachineWindow(), machine());
178	pWizard->prepare();
179	pWizard->exec();
180	if (pWizard)
181	delete pWizard;
182	}
183
184	/* Apply debug settings from the command line. */
185	if (!debugger().isNull() && debugger().isOk())
186	{
187	if (vboxGlobal().isPatmDisabled())
188	debugger().SetPATMEnabled(false);
189	if (vboxGlobal().isCsamDisabled())
190	debugger().SetCSAMEnabled(false);
191	if (vboxGlobal().isSupervisorCodeExecedRecompiled())
192	debugger().SetRecompileSupervisor(true);
193	if (vboxGlobal().isUserCodeExecedRecompiled())
194	debugger().SetRecompileUser(true);
195	if (vboxGlobal().areWeToExecuteAllInIem())
196	debugger().SetExecuteAllInIEM(true);
197	if (!vboxGlobal().isDefaultWarpPct())
198	debugger().SetVirtualTimeRate(vboxGlobal().getWarpPct());
199	}
200
201	/* Power UP if this is NOT separate process: */
202	if (!vboxGlobal().isSeparateProcess())
203	if (!powerUp())
204	return false;
205
206	/* Check if we missed a really quick termination after successful startup: */
207	if (isTurnedOff())
208	return false;
209
210	/* Postprocess initialization: */
211	if (!postprocessInitialization())
212	return false;
213
214	/* Fetch corresponding states: */
215	if (vboxGlobal().isSeparateProcess())
216	{
217	m_fIsMouseSupportsAbsolute = mouse().GetAbsoluteSupported();
218	m_fIsMouseSupportsRelative = mouse().GetRelativeSupported();
219	m_fIsMouseSupportsMultiTouch = mouse().GetMultiTouchSupported();
220	m_fIsMouseHostCursorNeeded = mouse().GetNeedsHostCursor();
221	sltAdditionsChange();
222	}
223	machineLogic()->initializePostPowerUp();
224
225	#ifdef VBOX_WITH_VIDEOHWACCEL
226	/* Log whether 2D video acceleration is enabled: */
227	LogRel(("2D video acceleration is %s.\n",
228	machine().GetAccelerate2DVideoEnabled() && VBoxGlobal::isAcceleration2DVideoAvailable()
229	? "enabled" : "disabled"));
230	#endif /* VBOX_WITH_VIDEOHWACCEL */
231
232	/* Log whether HID LEDs sync is enabled: */
233	#if defined(Q_WS_MAC) \|\| defined(Q_WS_WIN)
234	LogRel(("HID LEDs sync is %s.\n",
235	uimachine()->machineLogic()->isHidLedsSyncEnabled()
236	? "enabled" : "disabled"));
237	#else /* !Q_WS_MAC && !Q_WS_WIN */
238	LogRel(("HID LEDs sync is not supported on this platform.\n"));
239	#endif /* !Q_WS_MAC && !Q_WS_WIN */
240
241	#ifdef VBOX_GUI_WITH_PIDFILE
242	vboxGlobal().createPidfile();
243	#endif /* VBOX_GUI_WITH_PIDFILE */
244
245	/* Warn listeners about we are initialized: */
246	emit sigInitialized();
247
248	/* True by default: */
249	return true;
250	}
251
252	bool UISession::powerUp()
253	{
254	/* Power UP machine: */
255	#ifdef VBOX_WITH_DEBUGGER_GUI
256	CProgress progress = vboxGlobal().isStartPausedEnabled() \|\| vboxGlobal().isDebuggerAutoShowEnabled() ?
257	console().PowerUpPaused() : console().PowerUp();
258	#else /* !VBOX_WITH_DEBUGGER_GUI */
259	CProgress progress = console().PowerUp();
260	#endif /* !VBOX_WITH_DEBUGGER_GUI */
261
262	/* Check for immediate failure: */
263	if (!console().isOk() \|\| progress.isNull())
264	{
265	if (vboxGlobal().showStartVMErrors())
266	msgCenter().cannotStartMachine(console(), machineName());
267	return false;
268	}
269
270	/* Guard progressbar warnings from auto-closing: */
271	if (uimachine()->machineLogic())
272	uimachine()->machineLogic()->setPreventAutoClose(true);
273
274	/* Show "Starting/Restoring" progress dialog: */
275	if (isSaved())
276	{
277	msgCenter().showModalProgressDialog(progress, machineName(), ":/progress_state_restore_90px.png", 0, 0);
278	/* After restoring from 'saved' state, machine-window(s) geometry should be adjusted: */
279	machineLogic()->adjustMachineWindowsGeometry();
280	}
281	else
282	msgCenter().showModalProgressDialog(progress, machineName(), ":/progress_start_90px.png");
283
284	/* Check for progress failure: */
285	if (!progress.isOk() \|\| progress.GetResultCode() != 0)
286	{
287	if (vboxGlobal().showStartVMErrors())
288	msgCenter().cannotStartMachine(progress, machineName());
289	return false;
290	}
291
292	/* Allow further auto-closing: */
293	if (uimachine()->machineLogic())
294	uimachine()->machineLogic()->setPreventAutoClose(false);
295
296	/* True by default: */
297	return true;
298	}
299
300	bool UISession::saveState()
301	{
302	/* Prepare the saving progress: */
303	CProgress progress = console().SaveState();
304	if (console().isOk())
305	{
306	/* Show the saving progress: */
307	msgCenter().showModalProgressDialog(progress, machineName(), ":/progress_state_save_90px.png");
308	if (!progress.isOk() \|\| progress.GetResultCode() != 0)
309	{
310	/* Failed in progress: */
311	msgCenter().cannotSaveMachineState(progress, machineName());
312	return false;
313	}
314	}
315	else
316	{
317	/* Failed in console: */
318	msgCenter().cannotSaveMachineState(console());
319	return false;
320	}
321	/* Passed: */
322	return true;
323	}
324
325	bool UISession::shutdown()
326	{
327	/* Send ACPI shutdown signal if possible: */
328	console().PowerButton();
329	if (!console().isOk())
330	{
331	/* Failed in console: */
332	msgCenter().cannotACPIShutdownMachine(console());
333	return false;
334	}
335	/* Passed: */
336	return true;
337	}
338
339	bool UISession::powerOff(bool fIncludingDiscard, bool &fServerCrashed)
340	{
341	/* Prepare the power-off progress: */
342	CProgress progress = console().PowerDown();
343	if (console().isOk())
344	{
345	/* Show the power-off progress: */
346	msgCenter().showModalProgressDialog(progress, machineName(), ":/progress_poweroff_90px.png");
347	if (progress.isOk() && progress.GetResultCode() == 0)
348	{
349	/* Discard the current state if requested: */
350	if (fIncludingDiscard)
351	return restoreCurrentSnapshot();
352	}
353	else
354	{
355	/* Failed in progress: */
356	msgCenter().cannotPowerDownMachine(progress, machineName());
357	return false;
358	}
359	}
360	else
361	{
362	/* Check the machine state, it might be already gone: */
363	if (!console().isNull())
364	{
365	/* Failed in console: */
366	COMResult res(console());
367	/* This can happen if VBoxSVC is not running: */
368	if (FAILED_DEAD_INTERFACE(res.rc()))
369	fServerCrashed = true;
370	else
371	msgCenter().cannotPowerDownMachine(console());
372	return false;
373	}
374	}
375	/* Passed: */
376	return true;
377	}
378
379	bool UISession::restoreCurrentSnapshot()
380	{
381	/* Prepare result: */
382	bool fResult = false;
383
384	/* Simulate try-catch block: */
385	do
386	{
387	/* Search for corresponding VM: */
388	CVirtualBox vbox = vboxGlobal().virtualBox();
389	const QString strMachineID = vboxGlobal().managedVMUuid();
390	const CMachine mach = vbox.FindMachine(strMachineID);
391	if (!vbox.isOk() \|\| mach.isNull())
392	{
393	/* Unable to find VM: */
394	msgCenter().cannotFindMachineById(vbox, strMachineID);
395	break;
396	}
397
398	/* Open a direct session to modify that VM: */
399	CSession sess = vboxGlobal().openSession(vboxGlobal().managedVMUuid(),
400	vboxGlobal().isSeparateProcess()
401	? KLockType_Write : KLockType_Shared);
402	if (sess.isNull())
403	{
404	/* Unable to open session: */
405	break;
406	}
407
408	/* Simulate try-catch block: */
409	do
410	{
411	/* Acquire console for this session: */
412	CConsole cons = sess.GetConsole();
413	if (cons.isNull())
414	{
415	/* Unable to acquire console: */
416	break;
417	}
418
419	/* Prepare the snapshot-discard progress: */
420	const CSnapshot snap = mach.GetCurrentSnapshot();
421	CProgress prog = cons.RestoreSnapshot(snap);
422	if (!cons.isOk() \|\| prog.isNull())
423	{
424	/* Unable to restore snapshot: */
425	msgCenter().cannotRestoreSnapshot(cons, snap.GetName(), machineName());
426	break;
427	}
428
429	/* Show the snapshot-discard progress: */
430	msgCenter().showModalProgressDialog(prog, mach.GetName(), ":/progress_snapshot_discard_90px.png");
431	if (prog.GetResultCode() != 0)
432	{
433	/* Unable to restore snapshot: */
434	msgCenter().cannotRestoreSnapshot(prog, snap.GetName(), mach.GetName());
435	break;
436	}
437
438	/* Success: */
439	fResult = true;
440	}
441	while (0);
442
443	/* Unlock machine finally: */
444	sess.UnlockMachine();
445	}
446	while (0);
447
448	/* Return result: */
449	return fResult;
450	}
451
452	void UISession::closeRuntimeUI()
453	{
454	/* Start corresponding slot asynchronously: */
455	emit sigCloseRuntimeUI();
456	}
457
458	UIMachineLogic* UISession::machineLogic() const
459	{
460	return uimachine()->machineLogic();
461	}
462
463	QWidget* UISession::mainMachineWindow() const
464	{
465	return machineLogic()->mainMachineWindow();
466	}
467
468	bool UISession::isVisualStateAllowed(UIVisualStateType state) const
469	{
470	return m_pMachine->isVisualStateAllowed(state);
471	}
472
473	void UISession::changeVisualState(UIVisualStateType visualStateType)
474	{
475	m_pMachine->asyncChangeVisualState(visualStateType);
476	}
477
478	bool UISession::setPause(bool fOn)
479	{
480	if (fOn)
481	console().Pause();
482	else
483	console().Resume();
484
485	bool ok = console().isOk();
486	if (!ok)
487	{
488	if (fOn)
489	msgCenter().cannotPauseMachine(console());
490	else
491	msgCenter().cannotResumeMachine(console());
492	}
493
494	return ok;
495	}
496
497	void UISession::sltInstallGuestAdditionsFrom(const QString &strSource)
498	{
499	/* This flag indicates whether we want to do the usual .ISO mounting or not.
500	* First try updating the Guest Additions directly without mounting the .ISO. */
501	bool fDoMount = false;
502
503	/* Auto-update in GUI currently is disabled. */
504	#ifndef VBOX_WITH_ADDITIONS_AUTOUPDATE_UI
505	fDoMount = true;
506	#else /* VBOX_WITH_ADDITIONS_AUTOUPDATE_UI */
507	QVector<KAdditionsUpdateFlag> aFlagsUpdate;
508	QVector<QString> aArgs;
509	CProgress progressInstall = guest().UpdateGuestAdditions(strSource,
510	aArgs, aFlagsUpdate);
511	bool fResult = guest().isOk();
512	if (fResult)
513	{
514	msgCenter().showModalProgressDialog(progressInstall, tr("Updating Guest Additions"),
515	":/progress_install_guest_additions_90px.png",
516	0, 500 /* 500ms delay. */);
517	if (progressInstall.GetCanceled())
518	return;
519
520	HRESULT rc = progressInstall.GetResultCode();
521	if (!progressInstall.isOk() \|\| rc != S_OK)
522	{
523	/* If we got back a VBOX_E_NOT_SUPPORTED we don't complain (guest OS
524	* simply isn't supported yet), so silently fall back to "old" .ISO
525	* mounting method. */
526	if ( !SUCCEEDED_WARNING(rc)
527	&& rc != VBOX_E_NOT_SUPPORTED)
528	{
529	msgCenter().cannotUpdateGuestAdditions(progressInstall);
530
531	/* Log the error message in the release log. */
532	QString strErr = progressInstall.GetErrorInfo().GetText();
533	if (!strErr.isEmpty())
534	LogRel(("%s\n", strErr.toLatin1().constData()));
535	}
536	fDoMount = true; /* Since automatic updating failed, fall back to .ISO mounting. */
537	}
538	}
539	#endif /* VBOX_WITH_ADDITIONS_AUTOUPDATE_UI */
540
541	/* Do we still want mounting? */
542	if (!fDoMount)
543	return;
544
545	/* Open corresponding medium: */
546	QString strMediumID;
547	CVirtualBox vbox = vboxGlobal().virtualBox();
548	CMedium image = vbox.OpenMedium(strSource, KDeviceType_DVD, KAccessMode_ReadWrite, false /* fForceNewUuid */);
549	if (vbox.isOk() && !image.isNull())
550	strMediumID = image.GetId();
551	else
552	{
553	msgCenter().cannotOpenMedium(vbox, UIMediumType_DVD, strSource, mainMachineWindow());
554	return;
555	}
556
557	/* Make sure GA medium ID is valid: */
558	AssertReturnVoid(!strMediumID.isNull());
559
560	/* Searching for the first suitable controller/slot: */
561	QString strControllerName;
562	LONG iCntPort = -1, iCntDevice = -1;
563	foreach (const CStorageController &controller, machine().GetStorageControllers())
564	{
565	foreach (const CMediumAttachment &attachment, machine().GetMediumAttachmentsOfController(controller.GetName()))
566	{
567	if (attachment.GetType() == KDeviceType_DVD)
568	{
569	strControllerName = controller.GetName();
570	iCntPort = attachment.GetPort();
571	iCntDevice = attachment.GetDevice();
572	break;
573	}
574	}
575	if (!strControllerName.isNull())
576	break;
577	}
578
579	/* Make sure suitable controller/slot were found: */
580	if (strControllerName.isNull())
581	{
582	msgCenter().cannotMountGuestAdditions(machineName());
583	return;
584	}
585
586	/* Try to find UIMedium among cached: */
587	UIMedium medium = vboxGlobal().medium(strMediumID);
588	if (medium.isNull())
589	{
590	/* Create new one if necessary: */
591	medium = UIMedium(image, UIMediumType_DVD, KMediumState_Created);
592	vboxGlobal().createMedium(medium);
593	}
594
595	/* Mount medium to corresponding controller/slot: */
596	machine().MountMedium(strControllerName, iCntPort, iCntDevice, medium.medium(), false /* force */);
597	if (!machine().isOk())
598	{
599	/* Ask for force mounting: */
600	if (msgCenter().cannotRemountMedium(machine(), medium, true /* mount? */,
601	true /* retry? */, mainMachineWindow()))
602	{
603	/* Force mount medium to the predefined port/device: */
604	machine().MountMedium(strControllerName, iCntPort, iCntDevice, medium.medium(), true /* force */);
605	if (!machine().isOk())
606	msgCenter().cannotRemountMedium(machine(), medium, true /* mount? */,
607	false /* retry? */, mainMachineWindow());
608	}
609	}
610	}
611
612	void UISession::sltCloseRuntimeUI()
613	{
614	/* First, we have to hide any opened modal/popup widgets.
615	* They then should unlock their event-loops synchronously.
616	* If all such loops are unlocked, we can close Runtime UI: */
617	if (QWidget *pWidget = QApplication::activeModalWidget() ?
618	QApplication::activeModalWidget() :
619	QApplication::activePopupWidget() ?
620	QApplication::activePopupWidget() : 0)
621	{
622	/* First we should try to close this widget: */
623	pWidget->close();
624	/* If widget rejected the 'close-event' we can
625	* still hide it and hope it will behave correctly
626	* and unlock his event-loop if any: */
627	if (!pWidget->isHidden())
628	pWidget->hide();
629	/* Restart this slot: */
630	emit sigCloseRuntimeUI();
631	return;
632	}
633
634	/* Finally close the Runtime UI: */
635	UIMachine::destroy();
636	}
637
638	#ifdef RT_OS_DARWIN
639	void UISession::sltHandleMenuBarConfigurationChange(const QString &strMachineID)
640	{
641	/* Skip unrelated machine IDs: */
642	if (vboxGlobal().managedVMUuid() != strMachineID)
643	return;
644
645	/* Update Mac OS X menu-bar: */
646	updateMenu();
647	}
648	#endif /* RT_OS_DARWIN */
649
650	void UISession::sltMousePointerShapeChange(bool fVisible, bool fAlpha, QPoint hotCorner, QSize size, QVector<uint8_t> shape)
651	{
652	/* In case of shape data is present: */
653	if (shape.size() > 0)
654	{
655	/* We are ignoring visibility flag: */
656	m_fIsHidingHostPointer = false;
657
658	/* And updating current cursor shape: */
659	setPointerShape(shape.data(), fAlpha,
660	hotCorner.x(), hotCorner.y(),
661	size.width(), size.height());
662	}
663	/* In case of shape data is NOT present: */
664	else
665	{
666	/* Remember if we should hide the cursor: */
667	m_fIsHidingHostPointer = !fVisible;
668	}
669
670	/* Notify listeners about mouse capability changed: */
671	emit sigMousePointerShapeChange();
672
673	}
674
675	void UISession::sltMouseCapabilityChange(bool fSupportsAbsolute, bool fSupportsRelative, bool fSupportsMultiTouch, bool fNeedsHostCursor)
676	{
677	LogRelFlow(("UISession::sltMouseCapabilityChange: "
678	"Supports absolute: %s, Supports relative: %s, "
679	"Supports multi-touch: %s, Needs host cursor: %s\n",
680	fSupportsAbsolute ? "TRUE" : "FALSE", fSupportsRelative ? "TRUE" : "FALSE",
681	fSupportsMultiTouch ? "TRUE" : "FALSE", fNeedsHostCursor ? "TRUE" : "FALSE"));
682
683	/* Check if something had changed: */
684	if ( m_fIsMouseSupportsAbsolute != fSupportsAbsolute
685	\|\| m_fIsMouseSupportsRelative != fSupportsRelative
686	\|\| m_fIsMouseSupportsMultiTouch != fSupportsMultiTouch
687	\|\| m_fIsMouseHostCursorNeeded != fNeedsHostCursor)
688	{
689	/* Store new data: */
690	m_fIsMouseSupportsAbsolute = fSupportsAbsolute;
691	m_fIsMouseSupportsRelative = fSupportsRelative;
692	m_fIsMouseSupportsMultiTouch = fSupportsMultiTouch;
693	m_fIsMouseHostCursorNeeded = fNeedsHostCursor;
694
695	/* Notify listeners about mouse capability changed: */
696	emit sigMouseCapabilityChange();
697	}
698	}
699
700	void UISession::sltKeyboardLedsChangeEvent(bool fNumLock, bool fCapsLock, bool fScrollLock)
701	{
702	/* Check if something had changed: */
703	if ( m_fNumLock != fNumLock
704	\|\| m_fCapsLock != fCapsLock
705	\|\| m_fScrollLock != fScrollLock)
706	{
707	/* Store new num lock data: */
708	if (m_fNumLock != fNumLock)
709	{
710	m_fNumLock = fNumLock;
711	m_uNumLockAdaptionCnt = 2;
712	}
713
714	/* Store new caps lock data: */
715	if (m_fCapsLock != fCapsLock)
716	{
717	m_fCapsLock = fCapsLock;
718	m_uCapsLockAdaptionCnt = 2;
719	}
720
721	/* Store new scroll lock data: */
722	if (m_fScrollLock != fScrollLock)
723	{
724	m_fScrollLock = fScrollLock;
725	}
726
727	/* Notify listeners about mouse capability changed: */
728	emit sigKeyboardLedsChange();
729	}
730	}
731
732	void UISession::sltStateChange(KMachineState state)
733	{
734	/* Check if something had changed: */
735	if (m_machineState != state)
736	{
737	/* Store new data: */
738	m_machineStatePrevious = m_machineState;
739	m_machineState = state;
740
741	/* Notify listeners about machine state changed: */
742	emit sigMachineStateChange();
743	}
744	}
745
746	void UISession::sltVRDEChange()
747	{
748	/* Get VRDE server: */
749	const CVRDEServer &server = machine().GetVRDEServer();
750	bool fIsVRDEServerAvailable = !server.isNull();
751	/* Show/Hide VRDE action depending on VRDE server availability status: */
752	// TODO: Is this status can be changed at runtime?
753	// Because if no => the place for that stuff is in prepareActions().
754	actionPool()->action(UIActionIndexRT_M_Devices_T_VRDEServer)->setVisible(fIsVRDEServerAvailable);
755	/* Check/Uncheck VRDE action depending on VRDE server activity status: */
756	if (fIsVRDEServerAvailable)
757	actionPool()->action(UIActionIndexRT_M_Devices_T_VRDEServer)->setChecked(server.GetEnabled());
758	/* Notify listeners about VRDE change: */
759	emit sigVRDEChange();
760	}
761
762	void UISession::sltVideoCaptureChange()
763	{
764	/* Check/Uncheck Video Capture action depending on feature status: */
765	actionPool()->action(UIActionIndexRT_M_Devices_M_VideoCapture_T_Start)->setChecked(machine().GetVideoCaptureEnabled());
766	/* Notify listeners about Video Capture change: */
767	emit sigVideoCaptureChange();
768	}
769
770	void UISession::sltGuestMonitorChange(KGuestMonitorChangedEventType changeType, ulong uScreenId, QRect screenGeo)
771	{
772	/* Ignore KGuestMonitorChangedEventType_NewOrigin change event: */
773	if (changeType == KGuestMonitorChangedEventType_NewOrigin)
774	return;
775	/* Ignore KGuestMonitorChangedEventType_Disabled event for primary screen: */
776	AssertMsg(countOfVisibleWindows() > 0, ("All machine windows are hidden!"));
777	if (changeType == KGuestMonitorChangedEventType_Disabled && uScreenId == 0)
778	return;
779
780	/* Process KGuestMonitorChangedEventType_Enabled change event: */
781	if ( !isScreenVisible(uScreenId)
782	&& changeType == KGuestMonitorChangedEventType_Enabled)
783	setScreenVisible(uScreenId, true);
784	/* Process KGuestMonitorChangedEventType_Disabled change event: */
785	else if ( isScreenVisible(uScreenId)
786	&& changeType == KGuestMonitorChangedEventType_Disabled)
787	setScreenVisible(uScreenId, false);
788
789	/* Notify listeners about the change: */
790	emit sigGuestMonitorChange(changeType, uScreenId, screenGeo);
791	}
792
793	#ifdef RT_OS_DARWIN
794	/**
795	* MacOS X: Restarts display-reconfiguration watchdog timer from the beginning.
796	* @note Watchdog is trying to determine display reconfiguration in
797	* UISession::sltCheckIfHostDisplayChanged() slot every 500ms for 40 tries.
798	*/
799	void UISession::sltHandleHostDisplayAboutToChange()
800	{
801	LogRelFlow(("UISession::sltHandleHostDisplayAboutToChange()\n"));
802
803	if (m_pWatchdogDisplayChange->isActive())
804	m_pWatchdogDisplayChange->stop();
805	m_pWatchdogDisplayChange->setProperty("tryNumber", 1);
806	m_pWatchdogDisplayChange->start();
807	}
808
809	/**
810	* MacOS X: Determines display reconfiguration.
811	* @note Calls for UISession::sltHandleHostScreenCountChange() if screen count changed.
812	* @note Calls for UISession::sltHandleHostScreenGeometryChange() if screen geometry changed.
813	*/
814	void UISession::sltCheckIfHostDisplayChanged()
815	{
816	LogRelFlow(("UISession::sltCheckIfHostDisplayChanged()\n"));
817
818	/* Acquire desktop wrapper: */
819	QDesktopWidget *pDesktop = QApplication::desktop();
820
821	/* Check if display count changed: */
822	if (pDesktop->screenCount() != m_hostScreens.size())
823	{
824	/* Reset watchdog: */
825	m_pWatchdogDisplayChange->setProperty("tryNumber", 0);
826	/* Notify listeners about screen-count changed: */
827	return sltHandleHostScreenCountChange();
828	}
829	else
830	{
831	/* Check if at least one display geometry changed: */
832	for (int iScreenIndex = 0; iScreenIndex < pDesktop->screenCount(); ++iScreenIndex)
833	{
834	if (pDesktop->screenGeometry(iScreenIndex) != m_hostScreens.at(iScreenIndex))
835	{
836	/* Reset watchdog: */
837	m_pWatchdogDisplayChange->setProperty("tryNumber", 0);
838	/* Notify listeners about screen-geometry changed: */
839	return sltHandleHostScreenGeometryChange();
840	}
841	}
842	}
843
844	/* Check if watchdog expired, restart if not: */
845	int cTryNumber = m_pWatchdogDisplayChange->property("tryNumber").toInt();
846	if (cTryNumber > 0 && cTryNumber < 40)
847	{
848	/* Restart watchdog again: */
849	m_pWatchdogDisplayChange->setProperty("tryNumber", ++cTryNumber);
850	m_pWatchdogDisplayChange->start();
851	}
852	else
853	{
854	/* Reset watchdog: */
855	m_pWatchdogDisplayChange->setProperty("tryNumber", 0);
856	}
857	}
858	#endif /* RT_OS_DARWIN */
859
860	void UISession::sltHandleHostScreenCountChange()
861	{
862	LogRelFlow(("UISession: Host-screen count changed.\n"));
863
864	/* Recache display data: */
865	updateHostScreenData();
866
867	/* Notify current machine-logic: */
868	emit sigHostScreenCountChange();
869	}
870
871	void UISession::sltHandleHostScreenGeometryChange()
872	{
873	LogRelFlow(("UISession: Host-screen geometry changed.\n"));
874
875	/* Recache display data: */
876	updateHostScreenData();
877
878	/* Notify current machine-logic: */
879	emit sigHostScreenGeometryChange();
880	}
881
882	void UISession::sltHandleHostScreenAvailableAreaChange()
883	{
884	LogRelFlow(("UISession: Host-screen available-area changed.\n"));
885
886	/* Notify current machine-logic: */
887	emit sigHostScreenAvailableAreaChange();
888	}
889
890	void UISession::sltAdditionsChange()
891	{
892	/* Variable flags: */
893	ULONG ulGuestAdditionsRunLevel = guest().GetAdditionsRunLevel();
894	LONG64 lLastUpdatedIgnored;
895	bool fIsGuestSupportsGraphics = guest().GetFacilityStatus(KAdditionsFacilityType_Graphics, lLastUpdatedIgnored)
896	== KAdditionsFacilityStatus_Active;
897	bool fIsGuestSupportsSeamless = guest().GetFacilityStatus(KAdditionsFacilityType_Seamless, lLastUpdatedIgnored)
898	== KAdditionsFacilityStatus_Active;
899	/* Check if something had changed: */
900	if (m_ulGuestAdditionsRunLevel != ulGuestAdditionsRunLevel \|\|
901	m_fIsGuestSupportsGraphics != fIsGuestSupportsGraphics \|\|
902	m_fIsGuestSupportsSeamless != fIsGuestSupportsSeamless)
903	{
904	/* Store new data: */
905	m_ulGuestAdditionsRunLevel = ulGuestAdditionsRunLevel;
906	m_fIsGuestSupportsGraphics = fIsGuestSupportsGraphics;
907	m_fIsGuestSupportsSeamless = fIsGuestSupportsSeamless;
908
909	/* Notify listeners about guest additions state changed: */
910	emit sigAdditionsStateChange();
911	}
912	}
913
914	UISession::UISession(UIMachine *pMachine)
915	: QObject(pMachine)
916	/* Base variables: */
917	, m_pMachine(pMachine)
918	, m_pActionPool(0)
919	#ifdef Q_WS_MAC
920	, m_pMenuBar(0)
921	#endif /* Q_WS_MAC */
922	/* Common variables: */
923	, m_machineStatePrevious(KMachineState_Null)
924	, m_machineState(KMachineState_Null)
925	#ifndef Q_WS_MAC
926	, m_pMachineWindowIcon(0)
927	#endif /* !Q_WS_MAC */
928	, m_mouseCapturePolicy(MouseCapturePolicy_Default)
929	, m_guruMeditationHandlerType(GuruMeditationHandlerType_Default)
930	, m_hiDPIOptimizationType(HiDPIOptimizationType_None)
931	, m_requestedVisualStateType(UIVisualStateType_Invalid)
932	#ifdef Q_WS_WIN
933	, m_alphaCursor(0)
934	#endif /* Q_WS_WIN */
935	#ifdef Q_WS_MAC
936	, m_pWatchdogDisplayChange(0)
937	#endif /* Q_WS_MAC */
938	, m_defaultCloseAction(MachineCloseAction_Invalid)
939	, m_restrictedCloseActions(MachineCloseAction_Invalid)
940	, m_fAllCloseActionsRestricted(false)
941	/* Common flags: */
942	, m_fInitialized(false)
943	, m_fIsFirstTimeStarted(false)
944	, m_fIsGuestResizeIgnored(false)
945	, m_fIsAutoCaptureDisabled(false)
946	/* Guest additions flags: */
947	, m_ulGuestAdditionsRunLevel(0)
948	, m_fIsGuestSupportsGraphics(false)
949	, m_fIsGuestSupportsSeamless(false)
950	/* Mouse flags: */
951	, m_fNumLock(false)
952	, m_fCapsLock(false)
953	, m_fScrollLock(false)
954	, m_uNumLockAdaptionCnt(2)
955	, m_uCapsLockAdaptionCnt(2)
956	/* Mouse flags: */
957	, m_fIsMouseSupportsAbsolute(false)
958	, m_fIsMouseSupportsRelative(false)
959	, m_fIsMouseSupportsMultiTouch(false)
960	, m_fIsMouseHostCursorNeeded(false)
961	, m_fIsMouseCaptured(false)
962	, m_fIsMouseIntegrated(true)
963	, m_fIsValidPointerShapePresent(false)
964	, m_fIsHidingHostPointer(true)
965	{
966	}
967
968	UISession::~UISession()
969	{
970	}
971
972	bool UISession::prepare()
973	{
974	/* Prepare session: */
975	if (!prepareSession())
976	return false;
977
978	/* Prepare actions: */
979	prepareActions();
980
981	/* Prepare connections: */
982	prepareConnections();
983
984	/* Prepare console event-handlers: */
985	prepareConsoleEventHandlers();
986
987	/* Prepare screens: */
988	prepareScreens();
989
990	/* Prepare framebuffers: */
991	prepareFramebuffers();
992
993	/* Load settings: */
994	loadSessionSettings();
995
996	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
997	struct sigaction sa;
998	sa.sa_sigaction = &signalHandlerSIGUSR1;
999	sigemptyset(&sa.sa_mask);
1000	sa.sa_flags = SA_RESTART \| SA_SIGINFO;
1001	sigaction(SIGUSR1, &sa, NULL);
1002	#endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */
1003
1004	/* True by default: */
1005	return true;
1006	}
1007
1008	bool UISession::prepareSession()
1009	{
1010	/* Open session: */
1011	m_session = vboxGlobal().openSession(vboxGlobal().managedVMUuid(),
1012	vboxGlobal().isSeparateProcess()
1013	? KLockType_Shared : KLockType_VM);
1014	if (m_session.isNull())
1015	return false;
1016
1017	/* Get machine: */
1018	m_machine = m_session.GetMachine();
1019	if (m_machine.isNull())
1020	return false;
1021
1022	/* Get console: */
1023	m_console = m_session.GetConsole();
1024	if (m_console.isNull())
1025	return false;
1026
1027	/* Get display: */
1028	m_display = m_console.GetDisplay();
1029	if (m_display.isNull())
1030	return false;
1031
1032	/* Get guest: */
1033	m_guest = m_console.GetGuest();
1034	if (m_guest.isNull())
1035	return false;
1036
1037	/* Get mouse: */
1038	m_mouse = m_console.GetMouse();
1039	if (m_mouse.isNull())
1040	return false;
1041
1042	/* Get keyboard: */
1043	m_keyboard = m_console.GetKeyboard();
1044	if (m_keyboard.isNull())
1045	return false;
1046
1047	/* Get debugger: */
1048	m_debugger = m_console.GetDebugger();
1049	if (m_debugger.isNull())
1050	return false;
1051
1052	/* Update machine-name: */
1053	m_strMachineName = machine().GetName();
1054
1055	/* Update machine-state: */
1056	m_machineState = machine().GetState();
1057
1058	/* True by default: */
1059	return true;
1060	}
1061
1062	void UISession::prepareActions()
1063	{
1064	/* Create action-pool: */
1065	m_pActionPool = UIActionPool::create(UIActionPoolType_Runtime);
1066	AssertPtrReturnVoid(actionPool());
1067	{
1068	/* Configure action-pool: */
1069	actionPool()->toRuntime()->setSession(this);
1070
1071	/* Get host: */
1072	const CHost host = vboxGlobal().host();
1073	UIExtraDataMetaDefs::RuntimeMenuDevicesActionType restriction = UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_Invalid;
1074
1075	/* Storage stuff: */
1076	{
1077	/* Initialize CD/FD menus: */
1078	int iDevicesCountCD = 0;
1079	int iDevicesCountFD = 0;
1080	foreach (const CMediumAttachment &attachment, machine().GetMediumAttachments())
1081	{
1082	if (attachment.GetType() == KDeviceType_DVD)
1083	++iDevicesCountCD;
1084	if (attachment.GetType() == KDeviceType_Floppy)
1085	++iDevicesCountFD;
1086	}
1087	QAction *pOpticalDevicesMenu = actionPool()->action(UIActionIndexRT_M_Devices_M_OpticalDevices);
1088	QAction *pFloppyDevicesMenu = actionPool()->action(UIActionIndexRT_M_Devices_M_FloppyDevices);
1089	pOpticalDevicesMenu->setData(iDevicesCountCD);
1090	pFloppyDevicesMenu->setData(iDevicesCountFD);
1091	if (!iDevicesCountCD)
1092	restriction = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restriction \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_OpticalDevices);
1093	if (!iDevicesCountFD)
1094	restriction = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restriction \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_FloppyDevices);
1095	}
1096
1097	/* Network stuff: */
1098	{
1099	/* Initialize Network menu: */
1100	bool fAtLeastOneAdapterActive = false;
1101	const KChipsetType chipsetType = machine().GetChipsetType();
1102	ULONG uSlots = vboxGlobal().virtualBox().GetSystemProperties().GetMaxNetworkAdapters(chipsetType);
1103	for (ULONG uSlot = 0; uSlot < uSlots; ++uSlot)
1104	{
1105	const CNetworkAdapter &adapter = machine().GetNetworkAdapter(uSlot);
1106	if (adapter.GetEnabled())
1107	{
1108	fAtLeastOneAdapterActive = true;
1109	break;
1110	}
1111	}
1112	if (!fAtLeastOneAdapterActive)
1113	restriction = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restriction \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_Network);
1114	}
1115
1116	/* USB stuff: */
1117	{
1118	/* Check whether there is at least one USB controller with an available proxy. */
1119	const bool fUSBEnabled = !machine().GetUSBDeviceFilters().isNull()
1120	&& !machine().GetUSBControllers().isEmpty()
1121	&& machine().GetUSBProxyAvailable();
1122	if (!fUSBEnabled)
1123	restriction = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restriction \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_USBDevices);
1124	}
1125
1126	/* WebCams stuff: */
1127	{
1128	/* Check whether there is an accessible video input devices pool: */
1129	host.GetVideoInputDevices();
1130	const bool fWebCamsEnabled = host.isOk() && !machine().GetUSBControllers().isEmpty();
1131	if (!fWebCamsEnabled)
1132	restriction = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restriction \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_WebCams);
1133	}
1134
1135	/* Apply cumulative restriction: */
1136	actionPool()->toRuntime()->setRestrictionForMenuDevices(UIActionRestrictionLevel_Session, restriction);
1137
1138	#ifdef Q_WS_MAC
1139	/* Create Mac OS X menu-bar: */
1140	m_pMenuBar = new UIMenuBar;
1141	AssertPtrReturnVoid(m_pMenuBar);
1142	{
1143	/* Configure Mac OS X menu-bar: */
1144	connect(gEDataManager, SIGNAL(sigMenuBarConfigurationChange(const QString&)),
1145	this, SLOT(sltHandleMenuBarConfigurationChange(const QString&)));
1146	/* Update Mac OS X menu-bar: */
1147	updateMenu();
1148	}
1149	#endif /* Q_WS_MAC */
1150	}
1151	}
1152
1153	void UISession::prepareConnections()
1154	{
1155	connect(this, SIGNAL(sigInitialized()), this, SLOT(sltMarkInitialized()));
1156	connect(this, SIGNAL(sigCloseRuntimeUI()), this, SLOT(sltCloseRuntimeUI()));
1157
1158	#ifdef Q_WS_MAC
1159	/* Install native display reconfiguration callback: */
1160	CGDisplayRegisterReconfigurationCallback(cgDisplayReconfigurationCallback, this);
1161	#else /* !Q_WS_MAC */
1162	/* Install Qt display reconfiguration callbacks: */
1163	connect(QApplication::desktop(), SIGNAL(screenCountChanged(int)),
1164	this, SLOT(sltHandleHostScreenCountChange()));
1165	connect(QApplication::desktop(), SIGNAL(resized(int)),
1166	this, SLOT(sltHandleHostScreenGeometryChange()));
1167	connect(QApplication::desktop(), SIGNAL(workAreaResized(int)),
1168	this, SLOT(sltHandleHostScreenAvailableAreaChange()));
1169	#endif /* !Q_WS_MAC */
1170	}
1171
1172	void UISession::prepareConsoleEventHandlers()
1173	{
1174	/* Create console event-handler: */
1175	UIConsoleEventHandler::create(this);
1176
1177	/* Add console event connections: */
1178	connect(gConsoleEvents, SIGNAL(sigMousePointerShapeChange(bool, bool, QPoint, QSize, QVector<uint8_t>)),
1179	this, SLOT(sltMousePointerShapeChange(bool, bool, QPoint, QSize, QVector<uint8_t>)));
1180
1181	connect(gConsoleEvents, SIGNAL(sigMouseCapabilityChange(bool, bool, bool, bool)),
1182	this, SLOT(sltMouseCapabilityChange(bool, bool, bool, bool)));
1183
1184	connect(gConsoleEvents, SIGNAL(sigKeyboardLedsChangeEvent(bool, bool, bool)),
1185	this, SLOT(sltKeyboardLedsChangeEvent(bool, bool, bool)));
1186
1187	connect(gConsoleEvents, SIGNAL(sigStateChange(KMachineState)),
1188	this, SLOT(sltStateChange(KMachineState)));
1189
1190	connect(gConsoleEvents, SIGNAL(sigAdditionsChange()),
1191	this, SLOT(sltAdditionsChange()));
1192
1193	connect(gConsoleEvents, SIGNAL(sigVRDEChange()),
1194	this, SLOT(sltVRDEChange()));
1195
1196	connect(gConsoleEvents, SIGNAL(sigVideoCaptureChange()),
1197	this, SLOT(sltVideoCaptureChange()));
1198
1199	connect(gConsoleEvents, SIGNAL(sigNetworkAdapterChange(CNetworkAdapter)),
1200	this, SIGNAL(sigNetworkAdapterChange(CNetworkAdapter)));
1201
1202	connect(gConsoleEvents, SIGNAL(sigMediumChange(CMediumAttachment)),
1203	this, SIGNAL(sigMediumChange(CMediumAttachment)));
1204
1205	connect(gConsoleEvents, SIGNAL(sigUSBControllerChange()),
1206	this, SIGNAL(sigUSBControllerChange()));
1207
1208	connect(gConsoleEvents, SIGNAL(sigUSBDeviceStateChange(CUSBDevice, bool, CVirtualBoxErrorInfo)),
1209	this, SIGNAL(sigUSBDeviceStateChange(CUSBDevice, bool, CVirtualBoxErrorInfo)));
1210
1211	connect(gConsoleEvents, SIGNAL(sigSharedFolderChange()),
1212	this, SIGNAL(sigSharedFolderChange()));
1213
1214	connect(gConsoleEvents, SIGNAL(sigRuntimeError(bool, QString, QString)),
1215	this, SIGNAL(sigRuntimeError(bool, QString, QString)));
1216
1217	#ifdef Q_WS_MAC
1218	connect(gConsoleEvents, SIGNAL(sigShowWindow()),
1219	this, SIGNAL(sigShowWindows()), Qt::QueuedConnection);
1220	#endif /* Q_WS_MAC */
1221
1222	connect(gConsoleEvents, SIGNAL(sigCPUExecutionCapChange()),
1223	this, SIGNAL(sigCPUExecutionCapChange()));
1224
1225	connect(gConsoleEvents, SIGNAL(sigGuestMonitorChange(KGuestMonitorChangedEventType, ulong, QRect)),
1226	this, SLOT(sltGuestMonitorChange(KGuestMonitorChangedEventType, ulong, QRect)));
1227	}
1228
1229	void UISession::prepareScreens()
1230	{
1231	/* Recache display data: */
1232	updateHostScreenData();
1233
1234	#ifdef Q_WS_MAC
1235	/* Prepare display-change watchdog: */
1236	m_pWatchdogDisplayChange = new QTimer(this);
1237	{
1238	m_pWatchdogDisplayChange->setInterval(500);
1239	m_pWatchdogDisplayChange->setSingleShot(true);
1240	connect(m_pWatchdogDisplayChange, SIGNAL(timeout()),
1241	this, SLOT(sltCheckIfHostDisplayChanged()));
1242	}
1243	#endif /* Q_WS_MAC */
1244
1245	/* Prepare initial screen visibility status: */
1246	m_monitorVisibilityVector.resize(machine().GetMonitorCount());
1247	m_monitorVisibilityVector.fill(false);
1248	m_monitorVisibilityVector[0] = true;
1249
1250	/* If machine is in 'saved' state: */
1251	if (isSaved())
1252	{
1253	/* Update screen visibility status from saved-state: */
1254	for (int iScreenIndex = 0; iScreenIndex < m_monitorVisibilityVector.size(); ++iScreenIndex)
1255	{
1256	BOOL fEnabled = true;
1257	ULONG uGuestOriginX = 0, uGuestOriginY = 0, uGuestWidth = 0, uGuestHeight = 0;
1258	machine().QuerySavedGuestScreenInfo(iScreenIndex,
1259	uGuestOriginX, uGuestOriginY,
1260	uGuestWidth, uGuestHeight, fEnabled);
1261	m_monitorVisibilityVector[iScreenIndex] = fEnabled;
1262	}
1263	/* And make sure at least one of them is visible (primary if others are hidden): */
1264	if (countOfVisibleWindows() < 1)
1265	m_monitorVisibilityVector[0] = true;
1266	}
1267	else if (vboxGlobal().isSeparateProcess())
1268	{
1269	/* Update screen visibility status from display directly: */
1270	for (int iScreenIndex = 0; iScreenIndex < m_monitorVisibilityVector.size(); ++iScreenIndex)
1271	{
1272	KGuestMonitorStatus enmStatus = KGuestMonitorStatus_Disabled;
1273	ULONG uGuestWidth = 0, uGuestHeight = 0, uBpp = 0;
1274	LONG iGuestOriginX = 0, iGuestOriginY = 0;
1275	display().GetScreenResolution(iScreenIndex,
1276	uGuestWidth, uGuestHeight, uBpp,
1277	iGuestOriginX, iGuestOriginY, enmStatus);
1278	m_monitorVisibilityVector[iScreenIndex] = (enmStatus == KGuestMonitorStatus_Enabled);
1279	}
1280	/* And make sure at least one of them is visible (primary if others are hidden): */
1281	if (countOfVisibleWindows() < 1)
1282	m_monitorVisibilityVector[0] = true;
1283	}
1284	}
1285
1286	void UISession::prepareFramebuffers()
1287	{
1288	/* Each framebuffer will be really prepared on first UIMachineView creation: */
1289	m_frameBufferVector.resize(machine().GetMonitorCount());
1290	}
1291
1292	void UISession::loadSessionSettings()
1293	{
1294	/* Load extra-data settings: */
1295	{
1296	/* Get machine ID: */
1297	const QString strMachineID = vboxGlobal().managedVMUuid();
1298
1299	#ifndef Q_WS_MAC
1300	/* Load/prepare user's machine-window icon: */
1301	QIcon icon;
1302	foreach (const QString &strIconName, gEDataManager->machineWindowIconNames(strMachineID))
1303	if (!strIconName.isEmpty())
1304	icon.addFile(strIconName);
1305	if (!icon.isNull())
1306	m_pMachineWindowIcon = new QIcon(icon);
1307
1308	/* Load user's machine-window name postfix: */
1309	m_strMachineWindowNamePostfix = gEDataManager->machineWindowNamePostfix(strMachineID);
1310	#endif /* !Q_WS_MAC */
1311
1312	/* Determine mouse-capture policy: */
1313	m_mouseCapturePolicy = gEDataManager->mouseCapturePolicy(strMachineID);
1314
1315	/* Determine Guru Meditation handler type: */
1316	m_guruMeditationHandlerType = gEDataManager->guruMeditationHandlerType(strMachineID);
1317
1318	/* Determine HiDPI optimization type: */
1319	m_hiDPIOptimizationType = gEDataManager->hiDPIOptimizationType(strMachineID);
1320
1321	/* Is there should be First RUN Wizard? */
1322	m_fIsFirstTimeStarted = gEDataManager->machineFirstTimeStarted(strMachineID);
1323
1324	/* Should guest autoresize? */
1325	QAction *pGuestAutoresizeSwitch = actionPool()->action(UIActionIndexRT_M_View_T_GuestAutoresize);
1326	pGuestAutoresizeSwitch->setChecked(gEDataManager->guestScreenAutoResizeEnabled(strMachineID));
1327
1328	/* Menu-bar options: */
1329	{
1330	const bool fEnabledGlobally = !vboxGlobal().settings().isFeatureActive("noMenuBar");
1331	const bool fEnabledForMachine = gEDataManager->menuBarEnabled(strMachineID);
1332	const bool fEnabled = fEnabledGlobally && fEnabledForMachine;
1333	QAction *pActionMenuBarSettings = actionPool()->action(UIActionIndexRT_M_View_M_MenuBar_S_Settings);
1334	pActionMenuBarSettings->setEnabled(fEnabled);
1335	QAction *pActionMenuBarSwitch = actionPool()->action(UIActionIndexRT_M_View_M_MenuBar_T_Visibility);
1336	pActionMenuBarSwitch->blockSignals(true);
1337	pActionMenuBarSwitch->setChecked(fEnabled);
1338	pActionMenuBarSwitch->blockSignals(false);
1339	}
1340
1341	/* Status-bar options: */
1342	{
1343	const bool fEnabledGlobally = !vboxGlobal().settings().isFeatureActive("noStatusBar");
1344	const bool fEnabledForMachine = gEDataManager->statusBarEnabled(strMachineID);
1345	const bool fEnabled = fEnabledGlobally && fEnabledForMachine;
1346	QAction *pActionStatusBarSettings = actionPool()->action(UIActionIndexRT_M_View_M_StatusBar_S_Settings);
1347	pActionStatusBarSettings->setEnabled(fEnabled);
1348	QAction *pActionStatusBarSwitch = actionPool()->action(UIActionIndexRT_M_View_M_StatusBar_T_Visibility);
1349	pActionStatusBarSwitch->blockSignals(true);
1350	pActionStatusBarSwitch->setChecked(fEnabled);
1351	pActionStatusBarSwitch->blockSignals(false);
1352	}
1353
1354	/* What is the default close action and the restricted are? */
1355	m_defaultCloseAction = gEDataManager->defaultMachineCloseAction(strMachineID);
1356	m_restrictedCloseActions = gEDataManager->restrictedMachineCloseActions(strMachineID);
1357	m_fAllCloseActionsRestricted = (!vboxGlobal().isSeparateProcess() \|\| (m_restrictedCloseActions & MachineCloseAction_Detach))
1358	&& (m_restrictedCloseActions & MachineCloseAction_SaveState)
1359	&& (m_restrictedCloseActions & MachineCloseAction_Shutdown)
1360	&& (m_restrictedCloseActions & MachineCloseAction_PowerOff);
1361	// Close VM Dialog hides PowerOff_RestoringSnapshot implicitly if PowerOff is hidden..
1362	// && (m_restrictedCloseActions & MachineCloseAction_PowerOff_RestoringSnapshot);
1363	}
1364	}
1365
1366	void UISession::saveSessionSettings()
1367	{
1368	/* Save extra-data settings: */
1369	{
1370	/* Disable First RUN Wizard: */
1371	gEDataManager->setMachineFirstTimeStarted(false, vboxGlobal().managedVMUuid());
1372
1373	/* Remember if guest should autoresize: */
1374	if (actionPool())
1375	{
1376	const QAction *pGuestAutoresizeSwitch = actionPool()->action(UIActionIndexRT_M_View_T_GuestAutoresize);
1377	gEDataManager->setGuestScreenAutoResizeEnabled(pGuestAutoresizeSwitch->isChecked(), vboxGlobal().managedVMUuid());
1378	}
1379
1380	#ifndef Q_WS_MAC
1381	/* Cleanup user's machine-window icon: */
1382	delete m_pMachineWindowIcon;
1383	m_pMachineWindowIcon = 0;
1384	#endif /* !Q_WS_MAC */
1385	}
1386	}
1387
1388	void UISession::cleanupFramebuffers()
1389	{
1390	/* Cleanup framebuffers finally: */
1391	for (int i = m_frameBufferVector.size() - 1; i >= 0; --i)
1392	{
1393	UIFrameBuffer *pFrameBuffer = m_frameBufferVector[i];
1394	if (pFrameBuffer)
1395	{
1396	/* Mark framebuffer as unused: */
1397	pFrameBuffer->setMarkAsUnused(true);
1398	/* Detach framebuffer from Display: */
1399	display().DetachFramebuffer(i);
1400	/* Release framebuffer reference: */
1401	m_frameBufferVector[i].setNull();
1402	}
1403	}
1404	m_frameBufferVector.clear();
1405	}
1406
1407	void UISession::cleanupConsoleEventHandlers()
1408	{
1409	/* Destroy console event-handler if necessary: */
1410	if (gConsoleEvents)
1411	UIConsoleEventHandler::destroy();
1412	}
1413
1414	void UISession::cleanupConnections()
1415	{
1416	#ifdef Q_WS_MAC
1417	/* Remove display reconfiguration callback: */
1418	CGDisplayRemoveReconfigurationCallback(cgDisplayReconfigurationCallback, this);
1419	#endif /* Q_WS_MAC */
1420	}
1421
1422	void UISession::cleanupActions()
1423	{
1424	#ifdef Q_WS_MAC
1425	/* Destroy Mac OS X menu-bar: */
1426	delete m_pMenuBar;
1427	m_pMenuBar = 0;
1428	#endif /* Q_WS_MAC */
1429
1430	/* Destroy action-pool if necessary: */
1431	if (actionPool())
1432	UIActionPool::destroy(actionPool());
1433	}
1434
1435	void UISession::cleanupSession()
1436	{
1437	/* Detach debugger: */
1438	if (!m_debugger.isNull())
1439	m_debugger.detach();
1440
1441	/* Detach keyboard: */
1442	if (!m_keyboard.isNull())
1443	m_keyboard.detach();
1444
1445	/* Detach mouse: */
1446	if (!m_mouse.isNull())
1447	m_mouse.detach();
1448
1449	/* Detach guest: */
1450	if (!m_guest.isNull())
1451	m_guest.detach();
1452
1453	/* Detach display: */
1454	if (!m_display.isNull())
1455	m_display.detach();
1456
1457	/* Detach console: */
1458	if (!m_console.isNull())
1459	m_console.detach();
1460
1461	/* Detach machine: */
1462	if (!m_machine.isNull())
1463	m_machine.detach();
1464
1465	/* Close session: */
1466	if (!m_session.isNull())
1467	{
1468	m_session.UnlockMachine();
1469	m_session.detach();
1470	}
1471	}
1472
1473	void UISession::cleanup()
1474	{
1475	#ifdef Q_WS_WIN
1476	/* Destroy alpha cursor: */
1477	if (m_alphaCursor)
1478	DestroyIcon(m_alphaCursor);
1479	#endif /* Q_WS_WIN */
1480
1481	/* Save settings: */
1482	saveSessionSettings();
1483
1484	/* Cleanup framebuffers: */
1485	cleanupFramebuffers();
1486
1487	/* Cleanup console event-handlers: */
1488	cleanupConsoleEventHandlers();
1489
1490	/* Cleanup connections: */
1491	cleanupConnections();
1492
1493	/* Cleanup actions: */
1494	cleanupActions();
1495
1496	/* Cleanup session: */
1497	cleanupSession();
1498	}
1499
1500	#ifdef Q_WS_MAC
1501	void UISession::updateMenu()
1502	{
1503	/* Rebuild Mac OS X menu-bar: */
1504	m_pMenuBar->clear();
1505	foreach (QMenu *pMenu, actionPool()->menus())
1506	{
1507	UIMenu pMenuUI = qobject_cast<UIMenu>(pMenu);
1508	if (!pMenuUI->isConsumable() \|\| !pMenuUI->isConsumed())
1509	m_pMenuBar->addMenu(pMenuUI);
1510	if (pMenuUI->isConsumable() && !pMenuUI->isConsumed())
1511	pMenuUI->setConsumed(true);
1512	}
1513	}
1514	#endif /* Q_WS_MAC */
1515
1516	WId UISession::winId() const
1517	{
1518	return mainMachineWindow()->winId();
1519	}
1520
1521	void UISession::setPointerShape(const uchar *pShapeData, bool fHasAlpha,
1522	uint uXHot, uint uYHot, uint uWidth, uint uHeight)
1523	{
1524	AssertMsg(pShapeData, ("Shape data must not be NULL!\n"));
1525
1526	m_fIsValidPointerShapePresent = false;
1527	const uchar *srcAndMaskPtr = pShapeData;
1528	uint andMaskSize = (uWidth + 7) / 8 * uHeight;
1529	const uchar *srcShapePtr = pShapeData + ((andMaskSize + 3) & ~3);
1530	uint srcShapePtrScan = uWidth * 4;
1531
1532	#if defined (Q_WS_WIN)
1533
1534	BITMAPV5HEADER bi;
1535	HBITMAP hBitmap;
1536	void *lpBits;
1537
1538	::ZeroMemory(&bi, sizeof (BITMAPV5HEADER));
1539	bi.bV5Size = sizeof(BITMAPV5HEADER);
1540	bi.bV5Width = uWidth;
1541	bi.bV5Height = - (LONG)uHeight;
1542	bi.bV5Planes = 1;
1543	bi.bV5BitCount = 32;
1544	bi.bV5Compression = BI_BITFIELDS;
1545	bi.bV5RedMask = 0x00FF0000;
1546	bi.bV5GreenMask = 0x0000FF00;
1547	bi.bV5BlueMask = 0x000000FF;
1548	if (fHasAlpha)
1549	bi.bV5AlphaMask = 0xFF000000;
1550	else
1551	bi.bV5AlphaMask = 0;
1552
1553	HDC hdc = GetDC(NULL);
1554
1555	/* Create the DIB section with an alpha channel: */
1556	hBitmap = CreateDIBSection(hdc, (BITMAPINFO )&bi, DIB_RGB_COLORS, (void *)&lpBits, NULL, (DWORD) 0);
1557
1558	ReleaseDC(NULL, hdc);
1559
1560	HBITMAP hMonoBitmap = NULL;
1561	if (fHasAlpha)
1562	{
1563	/* Create an empty mask bitmap: */
1564	hMonoBitmap = CreateBitmap(uWidth, uHeight, 1, 1, NULL);
1565	}
1566	else
1567	{
1568	/* Word aligned AND mask. Will be allocated and created if necessary. */
1569	uint8_t *pu8AndMaskWordAligned = NULL;
1570
1571	/* Width in bytes of the original AND mask scan line. */
1572	uint32_t cbAndMaskScan = (uWidth + 7) / 8;
1573
1574	if (cbAndMaskScan & 1)
1575	{
1576	/* Original AND mask is not word aligned. */
1577
1578	/* Allocate memory for aligned AND mask. */
1579	pu8AndMaskWordAligned = (uint8_t )RTMemTmpAllocZ((cbAndMaskScan + 1) uHeight);
1580
1581	Assert(pu8AndMaskWordAligned);
1582
1583	if (pu8AndMaskWordAligned)
1584	{
1585	/* According to MSDN the padding bits must be 0.
1586	* Compute the bit mask to set padding bits to 0 in the last byte of original AND mask. */
1587	uint32_t u32PaddingBits = cbAndMaskScan * 8 - uWidth;
1588	Assert(u32PaddingBits < 8);
1589	uint8_t u8LastBytesPaddingMask = (uint8_t)(0xFF << u32PaddingBits);
1590
1591	Log(("u8LastBytesPaddingMask = %02X, aligned w = %d, width = %d, cbAndMaskScan = %d\n",
1592	u8LastBytesPaddingMask, (cbAndMaskScan + 1) * 8, uWidth, cbAndMaskScan));
1593
1594	uint8_t src = (uint8_t )srcAndMaskPtr;
1595	uint8_t *dst = pu8AndMaskWordAligned;
1596
1597	unsigned i;
1598	for (i = 0; i < uHeight; i++)
1599	{
1600	memcpy(dst, src, cbAndMaskScan);
1601
1602	dst[cbAndMaskScan - 1] &= u8LastBytesPaddingMask;
1603
1604	src += cbAndMaskScan;
1605	dst += cbAndMaskScan + 1;
1606	}
1607	}
1608	}
1609
1610	/* Create the AND mask bitmap: */
1611	hMonoBitmap = ::CreateBitmap(uWidth, uHeight, 1, 1,
1612	pu8AndMaskWordAligned? pu8AndMaskWordAligned: srcAndMaskPtr);
1613
1614	if (pu8AndMaskWordAligned)
1615	{
1616	RTMemTmpFree(pu8AndMaskWordAligned);
1617	}
1618	}
1619
1620	Assert(hBitmap);
1621	Assert(hMonoBitmap);
1622	if (hBitmap && hMonoBitmap)
1623	{
1624	DWORD dstShapePtr = (DWORD ) lpBits;
1625
1626	for (uint y = 0; y < uHeight; y ++)
1627	{
1628	memcpy(dstShapePtr, srcShapePtr, srcShapePtrScan);
1629	srcShapePtr += srcShapePtrScan;
1630	dstShapePtr += uWidth;
1631	}
1632
1633	ICONINFO ii;
1634	ii.fIcon = FALSE;
1635	ii.xHotspot = uXHot;
1636	ii.yHotspot = uYHot;
1637	ii.hbmMask = hMonoBitmap;
1638	ii.hbmColor = hBitmap;
1639
1640	HCURSOR hAlphaCursor = CreateIconIndirect(&ii);
1641	Assert(hAlphaCursor);
1642	if (hAlphaCursor)
1643	{
1644	/* Set the new cursor: */
1645	m_cursor = QCursor(hAlphaCursor);
1646	if (m_alphaCursor)
1647	DestroyIcon(m_alphaCursor);
1648	m_alphaCursor = hAlphaCursor;
1649	m_fIsValidPointerShapePresent = true;
1650	}
1651	}
1652
1653	if (hMonoBitmap)
1654	DeleteObject(hMonoBitmap);
1655	if (hBitmap)
1656	DeleteObject(hBitmap);
1657
1658	#elif defined (Q_WS_X11) && !defined (VBOX_WITHOUT_XCURSOR)
1659
1660	XcursorImage *img = XcursorImageCreate(uWidth, uHeight);
1661	Assert(img);
1662	if (img)
1663	{
1664	img->xhot = uXHot;
1665	img->yhot = uYHot;
1666
1667	XcursorPixel *dstShapePtr = img->pixels;
1668
1669	for (uint y = 0; y < uHeight; y ++)
1670	{
1671	memcpy (dstShapePtr, srcShapePtr, srcShapePtrScan);
1672
1673	if (!fHasAlpha)
1674	{
1675	/* Convert AND mask to the alpha channel: */
1676	uchar byte = 0;
1677	for (uint x = 0; x < uWidth; x ++)
1678	{
1679	if (!(x % 8))
1680	byte = *(srcAndMaskPtr ++);
1681	else
1682	byte <<= 1;
1683
1684	if (byte & 0x80)
1685	{
1686	/* Linux doesn't support inverted pixels (XOR ops,
1687	* to be exact) in cursor shapes, so we detect such
1688	* pixels and always replace them with black ones to
1689	* make them visible at least over light colors */
1690	if (dstShapePtr [x] & 0x00FFFFFF)
1691	dstShapePtr [x] = 0xFF000000;
1692	else
1693	dstShapePtr [x] = 0x00000000;
1694	}
1695	else
1696	dstShapePtr [x] \|= 0xFF000000;
1697	}
1698	}
1699
1700	srcShapePtr += srcShapePtrScan;
1701	dstShapePtr += uWidth;
1702	}
1703
1704	/* Set the new cursor: */
1705	m_cursor = QCursor(XcursorImageLoadCursor(QX11Info::display(), img));
1706	m_fIsValidPointerShapePresent = true;
1707
1708	XcursorImageDestroy(img);
1709	}
1710
1711	#elif defined(Q_WS_MAC)
1712
1713	/* Create a ARGB image out of the shape data. */
1714	QImage image (uWidth, uHeight, QImage::Format_ARGB32);
1715	const uint8_t* pbSrcMask = static_cast<const uint8_t*> (srcAndMaskPtr);
1716	unsigned cbSrcMaskLine = RT_ALIGN (uWidth, 8) / 8;
1717	for (unsigned int y = 0; y < uHeight; ++y)
1718	{
1719	for (unsigned int x = 0; x < uWidth; ++x)
1720	{
1721	unsigned int color = ((unsigned int)srcShapePtr)[yuWidth+x];
1722	/* If the alpha channel isn't in the shape data, we have to
1723	* create them from the and-mask. This is a bit field where 1
1724	* represent transparency & 0 opaque respectively. */
1725	if (!fHasAlpha)
1726	{
1727	if (!(pbSrcMask[x / 8] & (1 << (7 - (x % 8)))))
1728	color \|= 0xff000000;
1729	else
1730	{
1731	/* This isn't quite right, but it's the best we can do I think... */
1732	if (color & 0x00ffffff)
1733	color = 0xff000000;
1734	else
1735	color = 0x00000000;
1736	}
1737	}
1738	image.setPixel (x, y, color);
1739	}
1740	/* Move one scanline forward. */
1741	pbSrcMask += cbSrcMaskLine;
1742	}
1743
1744	/* Set the new cursor: */
1745	m_cursor = QCursor(QPixmap::fromImage(image), uXHot, uYHot);
1746	m_fIsValidPointerShapePresent = true;
1747	NOREF(srcShapePtrScan);
1748
1749	#else
1750
1751	# warning "port me"
1752
1753	#endif
1754	}
1755
1756	bool UISession::preprocessInitialization()
1757	{
1758	#ifdef VBOX_WITH_NETFLT
1759	/* Skip further checks if VM in saved state */
1760	if (isSaved())
1761	return true;
1762
1763	/* Make sure all the attached and enabled network
1764	* adapters are present on the host. This check makes sense
1765	* in two cases only - when attachement type is Bridged Network
1766	* or Host-only Interface. NOTE: Only currently enabled
1767	* attachement type is checked (incorrect parameters check for
1768	* currently disabled attachement types is skipped). */
1769	QStringList failedInterfaceNames;
1770	QStringList availableInterfaceNames;
1771
1772	/* Create host network interface names list */
1773	foreach (const CHostNetworkInterface &iface, vboxGlobal().host().GetNetworkInterfaces())
1774	{
1775	availableInterfaceNames << iface.GetName();
1776	availableInterfaceNames << iface.GetShortName();
1777	}
1778
1779	ulong cCount = vboxGlobal().virtualBox().GetSystemProperties().GetMaxNetworkAdapters(machine().GetChipsetType());
1780	for (ulong uAdapterIndex = 0; uAdapterIndex < cCount; ++uAdapterIndex)
1781	{
1782	CNetworkAdapter na = machine().GetNetworkAdapter(uAdapterIndex);
1783
1784	if (na.GetEnabled())
1785	{
1786	QString strIfName = QString();
1787
1788	/* Get physical network interface name for currently
1789	* enabled network attachement type */
1790	switch (na.GetAttachmentType())
1791	{
1792	case KNetworkAttachmentType_Bridged:
1793	strIfName = na.GetBridgedInterface();
1794	break;
1795	case KNetworkAttachmentType_HostOnly:
1796	strIfName = na.GetHostOnlyInterface();
1797	break;
1798	}
1799
1800	if (!strIfName.isEmpty() &&
1801	!availableInterfaceNames.contains(strIfName))
1802	{
1803	LogFlow(("Found invalid network interface: %s\n", strIfName.toStdString().c_str()));
1804	failedInterfaceNames << QString("%1 (adapter %2)").arg(strIfName).arg(uAdapterIndex + 1);
1805	}
1806	}
1807	}
1808
1809	/* Check if non-existent interfaces found */
1810	if (!failedInterfaceNames.isEmpty())
1811	{
1812	if (msgCenter().cannotStartWithoutNetworkIf(machineName(), failedInterfaceNames.join(", ")))
1813	machineLogic()->openNetworkSettingsDialog();
1814	else
1815	return false;
1816	}
1817	#endif /* VBOX_WITH_NETFLT */
1818
1819	/* True by default: */
1820	return true;
1821	}
1822
1823	bool UISession::postprocessInitialization()
1824	{
1825	/* Check if the required virtualization features are active. We get this info only when the session is active. */
1826	const bool fIs64BitsGuest = vboxGlobal().virtualBox().GetGuestOSType(guest().GetOSTypeId()).GetIs64Bit();
1827	const bool fRecommendVirtEx = vboxGlobal().virtualBox().GetGuestOSType(guest().GetOSTypeId()).GetRecommendedVirtEx();
1828	AssertMsg(!fIs64BitsGuest \|\| fRecommendVirtEx, ("Virtualization support missed for 64bit guest!\n"));
1829	bool fIsVirtEnabled = debugger().GetHWVirtExEnabled();
1830	if (fRecommendVirtEx && !fIsVirtEnabled)
1831	{
1832	/* Check whether vt-x / amd-v supported: */
1833	bool fVTxAMDVSupported = vboxGlobal().host().GetProcessorFeature(KProcessorFeature_HWVirtEx);
1834
1835	/* Pause VM: */
1836	setPause(true);
1837
1838	/* Ask the user about further actions: */
1839	bool fShouldWeClose;
1840	if (fIs64BitsGuest)
1841	fShouldWeClose = msgCenter().warnAboutVirtNotEnabled64BitsGuest(fVTxAMDVSupported);
1842	else
1843	fShouldWeClose = msgCenter().warnAboutVirtNotEnabledGuestRequired(fVTxAMDVSupported);
1844
1845	/* If user asked to close VM: */
1846	if (fShouldWeClose)
1847	{
1848	/* Prevent auto-closure during power off sequence: */
1849	machineLogic()->setPreventAutoClose(true);
1850	/* Power off VM: */
1851	bool fServerCrashed = false;
1852	powerOff(false, fServerCrashed);
1853	return false;
1854	}
1855
1856	/* Resume VM: */
1857	setPause(false);
1858	}
1859
1860	/* True by default: */
1861	return true;
1862	}
1863
1864	bool UISession::isScreenVisible(ulong uScreenId) const
1865	{
1866	Assert(uScreenId < (ulong)m_monitorVisibilityVector.size());
1867	return m_monitorVisibilityVector.value((int)uScreenId, false);
1868	}
1869
1870	void UISession::setScreenVisible(ulong uScreenId, bool fIsMonitorVisible)
1871	{
1872	Assert(uScreenId < (ulong)m_monitorVisibilityVector.size());
1873	if (uScreenId < (ulong)m_monitorVisibilityVector.size())
1874	m_monitorVisibilityVector[(int)uScreenId] = fIsMonitorVisible;
1875	}
1876
1877	int UISession::countOfVisibleWindows()
1878	{
1879	int cCountOfVisibleWindows = 0;
1880	for (int i = 0; i < m_monitorVisibilityVector.size(); ++i)
1881	if (m_monitorVisibilityVector[i])
1882	++cCountOfVisibleWindows;
1883	return cCountOfVisibleWindows;
1884	}
1885
1886	UIFrameBuffer* UISession::frameBuffer(ulong uScreenId) const
1887	{
1888	Assert(uScreenId < (ulong)m_frameBufferVector.size());
1889	return m_frameBufferVector.value((int)uScreenId, 0);
1890	}
1891
1892	void UISession::setFrameBuffer(ulong uScreenId, UIFrameBuffer* pFrameBuffer)
1893	{
1894	Assert(uScreenId < (ulong)m_frameBufferVector.size());
1895	if (uScreenId < (ulong)m_frameBufferVector.size())
1896	m_frameBufferVector[(int)uScreenId] = pFrameBuffer;
1897	}
1898
1899	void UISession::updateHostScreenData()
1900	{
1901	m_hostScreens.clear();
1902	QDesktopWidget *pDesktop = QApplication::desktop();
1903	for (int iScreenIndex = 0; iScreenIndex < pDesktop->screenCount(); ++iScreenIndex)
1904	m_hostScreens << pDesktop->screenGeometry(iScreenIndex);
1905	}
1906
1907	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
1908	/**
1909	* Custom signal handler. When switching VTs, we might not get release events
1910	* for Ctrl-Alt and in case a savestate is performed on the new VT, the VM will
1911	* be saved with modifier keys stuck. This is annoying enough for introducing
1912	* this hack.
1913	*/
1914	/* static */
1915	static void signalHandlerSIGUSR1(int sig, siginfo_t * /* pInfo /, void /pSecret /)
1916	{
1917	/* only SIGUSR1 is interesting */
1918	if (sig == SIGUSR1)
1919	if (UIMachine *pMachine = vboxGlobal().virtualMachine())
1920	pMachine->uisession()->machineLogic()->keyboardHandler()->releaseAllPressedKeys();
1921	}
1922	#endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */
1923

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source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/runtime/UISession.cpp@ 53320

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