UISession.cpp@ 57178

Last change on this file since 57178 was 57178, checked in by vboxsync, 9 years ago
FE/Qt: Runtime UI: Closing code adjustment.
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1	/* $Id: UISession.cpp 57178 2015-08-04 15:57:24Z vboxsync $ */
2	/** @file
3	* VBox Qt GUI - UISession class implementation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2014 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	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
84	static void signalHandlerSIGUSR1(int sig, siginfo_t , void );
85	#endif
86
87	#ifdef Q_WS_MAC
88	/**
89	* MacOS X: Application Services: Core Graphics: Display reconfiguration callback.
90	*
91	* Notifies UISession about @a display configuration change.
92	* Corresponding change described by Core Graphics @a flags.
93	* Uses UISession @a pHandler to process this change.
94	*
95	* @note Last argument (@a pHandler) must always be valid pointer to UISession object.
96	* @note Calls for UISession::sltHandleHostDisplayAboutToChange() slot if display configuration changed.
97	*/
98	void cgDisplayReconfigurationCallback(CGDirectDisplayID display, CGDisplayChangeSummaryFlags flags, void *pHandler)
99	{
100	/* Which flags we are handling? */
101	int iHandledFlags = kCGDisplayAddFlag /* display added */
102	\| kCGDisplayRemoveFlag /* display removed */
103	\| kCGDisplaySetModeFlag /* display mode changed */;
104
105	/* Handle 'display-add' case: */
106	if (flags & kCGDisplayAddFlag)
107	LogRelFlow(("GUI: UISession::cgDisplayReconfigurationCallback: Display added.\n"));
108	/* Handle 'display-remove' case: */
109	else if (flags & kCGDisplayRemoveFlag)
110	LogRelFlow(("GUI: UISession::cgDisplayReconfigurationCallback: Display removed.\n"));
111	/* Handle 'mode-set' case: */
112	else if (flags & kCGDisplaySetModeFlag)
113	LogRelFlow(("GUI: UISession::cgDisplayReconfigurationCallback: Display mode changed.\n"));
114
115	/* Ask handler to process our callback: */
116	if (flags & iHandledFlags)
117	QTimer::singleShot(0, static_cast<UISession*>(pHandler),
118	SLOT(sltHandleHostDisplayAboutToChange()));
119
120	Q_UNUSED(display);
121	}
122	#endif /* Q_WS_MAC */
123
124	/* static */
125	bool UISession::create(UISession &pSession, UIMachine pMachine)
126	{
127	/* Make sure null pointer passed: */
128	AssertReturn(pSession == 0, false);
129
130	/* Create session UI: */
131	pSession = new UISession(pMachine);
132	/* Make sure it's prepared: */
133	if (!pSession->prepare())
134	{
135	/* Destroy session UI otherwise: */
136	destroy(pSession);
137	/* False in that case: */
138	return false;
139	}
140	/* True by default: */
141	return true;
142	}
143
144	/* static */
145	void UISession::destroy(UISession *&pSession)
146	{
147	/* Make sure valid pointer passed: */
148	AssertReturnVoid(pSession != 0);
149
150	/* Cleanup session UI: */
151	pSession->cleanup();
152	/* Destroy session: */
153	delete pSession;
154	pSession = 0;
155	}
156
157	bool UISession::initialize()
158	{
159	/* Preprocess initialization: */
160	if (!preprocessInitialization())
161	return false;
162
163	/* Notify user about mouse&keyboard auto-capturing: */
164	if (vboxGlobal().settings().autoCapture())
165	popupCenter().remindAboutAutoCapture(machineLogic()->activeMachineWindow());
166
167	/* Check if we are in teleportation waiting mode.
168	* In that case no first run wizard is necessary. */
169	m_machineState = machine().GetState();
170	if ( isFirstTimeStarted()
171	&& !(( m_machineState == KMachineState_PoweredOff
172	\|\| m_machineState == KMachineState_Aborted
173	\|\| m_machineState == KMachineState_Teleported)
174	&& machine().GetTeleporterEnabled()))
175	{
176	UISafePointerWizard pWizard = new UIWizardFirstRun(mainMachineWindow(), machine());
177	pWizard->prepare();
178	pWizard->exec();
179	if (pWizard)
180	delete pWizard;
181	}
182
183	/* Apply debug settings from the command line. */
184	if (!debugger().isNull() && debugger().isOk())
185	{
186	if (vboxGlobal().isPatmDisabled())
187	debugger().SetPATMEnabled(false);
188	if (vboxGlobal().isCsamDisabled())
189	debugger().SetCSAMEnabled(false);
190	if (vboxGlobal().isSupervisorCodeExecedRecompiled())
191	debugger().SetRecompileSupervisor(true);
192	if (vboxGlobal().isUserCodeExecedRecompiled())
193	debugger().SetRecompileUser(true);
194	if (vboxGlobal().areWeToExecuteAllInIem())
195	debugger().SetExecuteAllInIEM(true);
196	if (!vboxGlobal().isDefaultWarpPct())
197	debugger().SetVirtualTimeRate(vboxGlobal().getWarpPct());
198	}
199
200	/* Apply ad-hoc reconfigurations from the command line: */
201	if (vboxGlobal().hasFloppyImageToMount())
202	mountAdHocImage(KDeviceType_Floppy, UIMediumType_Floppy, vboxGlobal().getFloppyImage());
203	if (vboxGlobal().hasDvdImageToMount())
204	mountAdHocImage(KDeviceType_DVD, UIMediumType_DVD, vboxGlobal().getDvdImage());
205
206	/* Power UP if this is NOT separate process: */
207	if (!vboxGlobal().isSeparateProcess())
208	if (!powerUp())
209	return false;
210
211	/* Check if we missed a really quick termination after successful startup: */
212	if (isTurnedOff())
213	return false;
214
215	/* Postprocess initialization: */
216	if (!postprocessInitialization())
217	return false;
218
219	/* Fetch corresponding states: */
220	if (vboxGlobal().isSeparateProcess())
221	{
222	m_fIsMouseSupportsAbsolute = mouse().GetAbsoluteSupported();
223	m_fIsMouseSupportsRelative = mouse().GetRelativeSupported();
224	m_fIsMouseSupportsMultiTouch = mouse().GetMultiTouchSupported();
225	m_fIsMouseHostCursorNeeded = mouse().GetNeedsHostCursor();
226	sltAdditionsChange();
227	}
228	machineLogic()->initializePostPowerUp();
229
230	#ifdef VBOX_WITH_VIDEOHWACCEL
231	/* Log whether 2D video acceleration is enabled: */
232	LogRel(("GUI: 2D video acceleration is %s\n",
233	machine().GetAccelerate2DVideoEnabled() && VBoxGlobal::isAcceleration2DVideoAvailable()
234	? "enabled" : "disabled"));
235	#endif /* VBOX_WITH_VIDEOHWACCEL */
236
237	/* Log whether HID LEDs sync is enabled: */
238	#if defined(Q_WS_MAC) \|\| defined(Q_WS_WIN)
239	LogRel(("GUI: HID LEDs sync is %s\n",
240	uimachine()->machineLogic()->isHidLedsSyncEnabled()
241	? "enabled" : "disabled"));
242	#else /* !Q_WS_MAC && !Q_WS_WIN */
243	LogRel(("GUI: HID LEDs sync is not supported on this platform\n"));
244	#endif /* !Q_WS_MAC && !Q_WS_WIN */
245
246	#ifdef VBOX_GUI_WITH_PIDFILE
247	vboxGlobal().createPidfile();
248	#endif /* VBOX_GUI_WITH_PIDFILE */
249
250	/* Warn listeners about we are initialized: */
251	emit sigInitialized();
252
253	/* True by default: */
254	return true;
255	}
256
257	bool UISession::powerUp()
258	{
259	/* Power UP machine: */
260	CProgress progress = vboxGlobal().shouldStartPaused() ? console().PowerUpPaused() : console().PowerUp();
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	/* Enable 'manual-override',
271	* preventing automatic Runtime UI closing
272	* and visual representation mode changes: */
273	if (machineLogic())
274	machineLogic()->setManualOverrideMode(true);
275
276	/* Show "Starting/Restoring" progress dialog: */
277	if (isSaved())
278	{
279	msgCenter().showModalProgressDialog(progress, machineName(), ":/progress_state_restore_90px.png", 0, 0);
280	/* After restoring from 'saved' state, machine-window(s) geometry should be adjusted: */
281	machineLogic()->adjustMachineWindowsGeometry();
282	}
283	else
284	{
285	msgCenter().showModalProgressDialog(progress, machineName(), ":/progress_start_90px.png");
286	/* After VM start, machine-window(s) size-hint(s) should be sent: */
287	machineLogic()->sendMachineWindowsSizeHints();
288	}
289
290	/* Check for progress failure: */
291	if (!progress.isOk() \|\| progress.GetResultCode() != 0)
292	{
293	if (vboxGlobal().showStartVMErrors())
294	msgCenter().cannotStartMachine(progress, machineName());
295	return false;
296	}
297
298	/* Disable 'manual-override' finally: */
299	if (machineLogic())
300	machineLogic()->setManualOverrideMode(false);
301
302	/* True by default: */
303	return true;
304	}
305
306	bool UISession::saveState()
307	{
308	/* Prepare the saving progress: */
309	CProgress progress = machine().SaveState();
310	if (machine().isOk())
311	{
312	/* Show the saving progress: */
313	msgCenter().showModalProgressDialog(progress, machineName(), ":/progress_state_save_90px.png");
314	if (!progress.isOk() \|\| progress.GetResultCode() != 0)
315	{
316	/* Failed in progress: */
317	msgCenter().cannotSaveMachineState(progress, machineName());
318	return false;
319	}
320	}
321	else
322	{
323	/* Failed in console: */
324	msgCenter().cannotSaveMachineState(machine());
325	return false;
326	}
327	/* Passed: */
328	return true;
329	}
330
331	bool UISession::shutdown()
332	{
333	/* Send ACPI shutdown signal if possible: */
334	console().PowerButton();
335	if (!console().isOk())
336	{
337	/* Failed in console: */
338	msgCenter().cannotACPIShutdownMachine(console());
339	return false;
340	}
341	/* Passed: */
342	return true;
343	}
344
345	bool UISession::powerOff(bool fIncludingDiscard, bool &fServerCrashed)
346	{
347	/* Prepare the power-off progress: */
348	CProgress progress = console().PowerDown();
349	if (console().isOk())
350	{
351	/* Show the power-off progress: */
352	msgCenter().showModalProgressDialog(progress, machineName(), ":/progress_poweroff_90px.png");
353	if (progress.isOk() && progress.GetResultCode() == 0)
354	{
355	/* Discard the current state if requested: */
356	if (fIncludingDiscard)
357	return restoreCurrentSnapshot();
358	}
359	else
360	{
361	/* Failed in progress: */
362	msgCenter().cannotPowerDownMachine(progress, machineName());
363	return false;
364	}
365	}
366	else
367	{
368	/* Check the machine state, it might be already gone: */
369	if (!console().isNull())
370	{
371	/* Failed in console: */
372	COMResult res(console());
373	/* This can happen if VBoxSVC is not running: */
374	if (FAILED_DEAD_INTERFACE(res.rc()))
375	fServerCrashed = true;
376	else
377	msgCenter().cannotPowerDownMachine(console());
378	return false;
379	}
380	}
381	/* Passed: */
382	return true;
383	}
384
385	bool UISession::restoreCurrentSnapshot()
386	{
387	/* Prepare result: */
388	bool fResult = false;
389
390	/* Simulate try-catch block: */
391	do
392	{
393	/* Search for corresponding VM: */
394	CVirtualBox vbox = vboxGlobal().virtualBox();
395	const QString strMachineID = vboxGlobal().managedVMUuid();
396	const CMachine mach = vbox.FindMachine(strMachineID);
397	if (!vbox.isOk() \|\| mach.isNull())
398	{
399	/* Unable to find VM: */
400	msgCenter().cannotFindMachineById(vbox, strMachineID);
401	break;
402	}
403
404	/* Open a direct session to modify that VM: */
405	CSession sess = vboxGlobal().openSession(vboxGlobal().managedVMUuid(),
406	vboxGlobal().isSeparateProcess()
407	? KLockType_Write : KLockType_Shared);
408	if (sess.isNull())
409	{
410	/* Unable to open session: */
411	break;
412	}
413
414	/* Simulate try-catch block: */
415	do
416	{
417	/* Acquire machine for this session: */
418	CMachine machine = sess.GetMachine();
419	if (machine.isNull())
420	{
421	/* Unable to acquire machine: */
422	break;
423	}
424
425	/* Prepare the snapshot-discard progress: */
426	const CSnapshot snap = machine.GetCurrentSnapshot();
427	CProgress prog = machine.RestoreSnapshot(snap);
428	if (!machine.isOk() \|\| prog.isNull())
429	{
430	/* Unable to restore snapshot: */
431	msgCenter().cannotRestoreSnapshot(machine, snap.GetName(), machineName());
432	break;
433	}
434
435	/* Show the snapshot-discard progress: */
436	msgCenter().showModalProgressDialog(prog, machine.GetName(), ":/progress_snapshot_discard_90px.png");
437	if (prog.GetResultCode() != 0)
438	{
439	/* Unable to restore snapshot: */
440	msgCenter().cannotRestoreSnapshot(prog, snap.GetName(), machine.GetName());
441	break;
442	}
443
444	/* Success: */
445	fResult = true;
446	}
447	while (0);
448
449	/* Unlock machine finally: */
450	sess.UnlockMachine();
451	}
452	while (0);
453
454	/* Return result: */
455	return fResult;
456	}
457
458	UIMachineLogic* UISession::machineLogic() const
459	{
460	return uimachine() ? uimachine()->machineLogic() : 0;
461	}
462
463	QWidget* UISession::mainMachineWindow() const
464	{
465	return machineLogic() ? machineLogic()->mainMachineWindow() : 0;
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	/* Ask UIMachine to close Runtime UI: */
615	uimachine()->closeRuntimeUI();
616	}
617
618	#ifdef RT_OS_DARWIN
619	void UISession::sltHandleMenuBarConfigurationChange(const QString &strMachineID)
620	{
621	/* Skip unrelated machine IDs: */
622	if (vboxGlobal().managedVMUuid() != strMachineID)
623	return;
624
625	/* Update Mac OS X menu-bar: */
626	updateMenu();
627	}
628	#endif /* RT_OS_DARWIN */
629
630	void UISession::sltMousePointerShapeChange(bool fVisible, bool fAlpha, QPoint hotCorner, QSize size, QVector<uint8_t> shape)
631	{
632	/* In case of shape data is present: */
633	if (shape.size() > 0)
634	{
635	/* We are ignoring visibility flag: */
636	m_fIsHidingHostPointer = false;
637
638	/* And updating current cursor shape: */
639	setPointerShape(shape.data(), fAlpha,
640	hotCorner.x(), hotCorner.y(),
641	size.width(), size.height());
642	}
643	/* In case of shape data is NOT present: */
644	else
645	{
646	/* Remember if we should hide the cursor: */
647	m_fIsHidingHostPointer = !fVisible;
648	}
649
650	/* Notify listeners about mouse capability changed: */
651	emit sigMousePointerShapeChange();
652
653	}
654
655	void UISession::sltMouseCapabilityChange(bool fSupportsAbsolute, bool fSupportsRelative, bool fSupportsMultiTouch, bool fNeedsHostCursor)
656	{
657	LogRelFlow(("GUI: UISession::sltMouseCapabilityChange: "
658	"Supports absolute: %s, Supports relative: %s, "
659	"Supports multi-touch: %s, Needs host cursor: %s\n",
660	fSupportsAbsolute ? "TRUE" : "FALSE", fSupportsRelative ? "TRUE" : "FALSE",
661	fSupportsMultiTouch ? "TRUE" : "FALSE", fNeedsHostCursor ? "TRUE" : "FALSE"));
662
663	/* Check if something had changed: */
664	if ( m_fIsMouseSupportsAbsolute != fSupportsAbsolute
665	\|\| m_fIsMouseSupportsRelative != fSupportsRelative
666	\|\| m_fIsMouseSupportsMultiTouch != fSupportsMultiTouch
667	\|\| m_fIsMouseHostCursorNeeded != fNeedsHostCursor)
668	{
669	/* Store new data: */
670	m_fIsMouseSupportsAbsolute = fSupportsAbsolute;
671	m_fIsMouseSupportsRelative = fSupportsRelative;
672	m_fIsMouseSupportsMultiTouch = fSupportsMultiTouch;
673	m_fIsMouseHostCursorNeeded = fNeedsHostCursor;
674
675	/* Notify listeners about mouse capability changed: */
676	emit sigMouseCapabilityChange();
677	}
678	}
679
680	void UISession::sltKeyboardLedsChangeEvent(bool fNumLock, bool fCapsLock, bool fScrollLock)
681	{
682	/* Check if something had changed: */
683	if ( m_fNumLock != fNumLock
684	\|\| m_fCapsLock != fCapsLock
685	\|\| m_fScrollLock != fScrollLock)
686	{
687	/* Store new num lock data: */
688	if (m_fNumLock != fNumLock)
689	{
690	m_fNumLock = fNumLock;
691	m_uNumLockAdaptionCnt = 2;
692	}
693
694	/* Store new caps lock data: */
695	if (m_fCapsLock != fCapsLock)
696	{
697	m_fCapsLock = fCapsLock;
698	m_uCapsLockAdaptionCnt = 2;
699	}
700
701	/* Store new scroll lock data: */
702	if (m_fScrollLock != fScrollLock)
703	{
704	m_fScrollLock = fScrollLock;
705	}
706
707	/* Notify listeners about mouse capability changed: */
708	emit sigKeyboardLedsChange();
709	}
710	}
711
712	void UISession::sltStateChange(KMachineState state)
713	{
714	/* Check if something had changed: */
715	if (m_machineState != state)
716	{
717	/* Store new data: */
718	m_machineStatePrevious = m_machineState;
719	m_machineState = state;
720
721	/* Notify listeners about machine state changed: */
722	emit sigMachineStateChange();
723	}
724	}
725
726	void UISession::sltVRDEChange()
727	{
728	/* Make sure VRDE server is present: */
729	const CVRDEServer server = machine().GetVRDEServer();
730	AssertMsgReturnVoid(machine().isOk() && !server.isNull(),
731	("VRDE server should NOT be null!\n"));
732
733	/* Check/Uncheck VRDE Server action depending on feature status: */
734	actionPool()->action(UIActionIndexRT_M_View_T_VRDEServer)->blockSignals(true);
735	actionPool()->action(UIActionIndexRT_M_View_T_VRDEServer)->setChecked(server.GetEnabled());
736	actionPool()->action(UIActionIndexRT_M_View_T_VRDEServer)->blockSignals(false);
737
738	/* Notify listeners about VRDE change: */
739	emit sigVRDEChange();
740	}
741
742	void UISession::sltVideoCaptureChange()
743	{
744	/* Check/Uncheck Video Capture action depending on feature status: */
745	actionPool()->action(UIActionIndexRT_M_View_M_VideoCapture_T_Start)->blockSignals(true);
746	actionPool()->action(UIActionIndexRT_M_View_M_VideoCapture_T_Start)->setChecked(machine().GetVideoCaptureEnabled());
747	actionPool()->action(UIActionIndexRT_M_View_M_VideoCapture_T_Start)->blockSignals(false);
748
749	/* Notify listeners about Video Capture change: */
750	emit sigVideoCaptureChange();
751	}
752
753	void UISession::sltGuestMonitorChange(KGuestMonitorChangedEventType changeType, ulong uScreenId, QRect screenGeo)
754	{
755	/* Ignore KGuestMonitorChangedEventType_NewOrigin change event: */
756	if (changeType == KGuestMonitorChangedEventType_NewOrigin)
757	return;
758	/* Ignore KGuestMonitorChangedEventType_Disabled event for primary screen: */
759	AssertMsg(countOfVisibleWindows() > 0, ("All machine windows are hidden!"));
760	if (changeType == KGuestMonitorChangedEventType_Disabled && uScreenId == 0)
761	return;
762
763	/* Process KGuestMonitorChangedEventType_Enabled change event: */
764	if ( !isScreenVisible(uScreenId)
765	&& changeType == KGuestMonitorChangedEventType_Enabled)
766	setScreenVisible(uScreenId, true);
767	/* Process KGuestMonitorChangedEventType_Disabled change event: */
768	else if ( isScreenVisible(uScreenId)
769	&& changeType == KGuestMonitorChangedEventType_Disabled)
770	setScreenVisible(uScreenId, false);
771
772	/* Notify listeners about the change: */
773	emit sigGuestMonitorChange(changeType, uScreenId, screenGeo);
774	}
775
776	#ifdef RT_OS_DARWIN
777	/**
778	* MacOS X: Restarts display-reconfiguration watchdog timer from the beginning.
779	* @note Watchdog is trying to determine display reconfiguration in
780	* UISession::sltCheckIfHostDisplayChanged() slot every 500ms for 40 tries.
781	*/
782	void UISession::sltHandleHostDisplayAboutToChange()
783	{
784	LogRelFlow(("GUI: UISession::sltHandleHostDisplayAboutToChange()\n"));
785
786	if (m_pWatchdogDisplayChange->isActive())
787	m_pWatchdogDisplayChange->stop();
788	m_pWatchdogDisplayChange->setProperty("tryNumber", 1);
789	m_pWatchdogDisplayChange->start();
790	}
791
792	/**
793	* MacOS X: Determines display reconfiguration.
794	* @note Calls for UISession::sltHandleHostScreenCountChange() if screen count changed.
795	* @note Calls for UISession::sltHandleHostScreenGeometryChange() if screen geometry changed.
796	*/
797	void UISession::sltCheckIfHostDisplayChanged()
798	{
799	LogRelFlow(("GUI: UISession::sltCheckIfHostDisplayChanged()\n"));
800
801	/* Acquire desktop wrapper: */
802	QDesktopWidget *pDesktop = QApplication::desktop();
803
804	/* Check if display count changed: */
805	if (pDesktop->screenCount() != m_hostScreens.size())
806	{
807	/* Reset watchdog: */
808	m_pWatchdogDisplayChange->setProperty("tryNumber", 0);
809	/* Notify listeners about screen-count changed: */
810	return sltHandleHostScreenCountChange();
811	}
812	else
813	{
814	/* Check if at least one display geometry changed: */
815	for (int iScreenIndex = 0; iScreenIndex < pDesktop->screenCount(); ++iScreenIndex)
816	{
817	if (pDesktop->screenGeometry(iScreenIndex) != m_hostScreens.at(iScreenIndex))
818	{
819	/* Reset watchdog: */
820	m_pWatchdogDisplayChange->setProperty("tryNumber", 0);
821	/* Notify listeners about screen-geometry changed: */
822	return sltHandleHostScreenGeometryChange();
823	}
824	}
825	}
826
827	/* Check if watchdog expired, restart if not: */
828	int cTryNumber = m_pWatchdogDisplayChange->property("tryNumber").toInt();
829	if (cTryNumber > 0 && cTryNumber < 40)
830	{
831	/* Restart watchdog again: */
832	m_pWatchdogDisplayChange->setProperty("tryNumber", ++cTryNumber);
833	m_pWatchdogDisplayChange->start();
834	}
835	else
836	{
837	/* Reset watchdog: */
838	m_pWatchdogDisplayChange->setProperty("tryNumber", 0);
839	}
840	}
841	#endif /* RT_OS_DARWIN */
842
843	void UISession::sltHandleHostScreenCountChange()
844	{
845	LogRelFlow(("GUI: UISession: Host-screen count changed.\n"));
846
847	/* Recache display data: */
848	updateHostScreenData();
849
850	/* Notify current machine-logic: */
851	emit sigHostScreenCountChange();
852	}
853
854	void UISession::sltHandleHostScreenGeometryChange()
855	{
856	LogRelFlow(("GUI: UISession: Host-screen geometry changed.\n"));
857
858	/* Recache display data: */
859	updateHostScreenData();
860
861	/* Notify current machine-logic: */
862	emit sigHostScreenGeometryChange();
863	}
864
865	void UISession::sltHandleHostScreenAvailableAreaChange()
866	{
867	LogRelFlow(("GUI: UISession: Host-screen available-area changed.\n"));
868
869	/* Notify current machine-logic: */
870	emit sigHostScreenAvailableAreaChange();
871	}
872
873	void UISession::sltAdditionsChange()
874	{
875	/* Variable flags: */
876	ULONG ulGuestAdditionsRunLevel = guest().GetAdditionsRunLevel();
877	LONG64 lLastUpdatedIgnored;
878	bool fIsGuestSupportsGraphics = guest().GetFacilityStatus(KAdditionsFacilityType_Graphics, lLastUpdatedIgnored)
879	== KAdditionsFacilityStatus_Active;
880	bool fIsGuestSupportsSeamless = guest().GetFacilityStatus(KAdditionsFacilityType_Seamless, lLastUpdatedIgnored)
881	== KAdditionsFacilityStatus_Active;
882	/* Check if something had changed: */
883	if (m_ulGuestAdditionsRunLevel != ulGuestAdditionsRunLevel \|\|
884	m_fIsGuestSupportsGraphics != fIsGuestSupportsGraphics \|\|
885	m_fIsGuestSupportsSeamless != fIsGuestSupportsSeamless)
886	{
887	/* Store new data: */
888	m_ulGuestAdditionsRunLevel = ulGuestAdditionsRunLevel;
889	m_fIsGuestSupportsGraphics = fIsGuestSupportsGraphics;
890	m_fIsGuestSupportsSeamless = fIsGuestSupportsSeamless;
891
892	/* Notify listeners about guest additions state really changed: */
893	emit sigAdditionsStateActualChange();
894	}
895
896	/* Notify listeners about guest additions state event came: */
897	emit sigAdditionsStateChange();
898	}
899
900	UISession::UISession(UIMachine *pMachine)
901	: QObject(pMachine)
902	/* Base variables: */
903	, m_pMachine(pMachine)
904	, m_pActionPool(0)
905	#ifdef Q_WS_MAC
906	, m_pMenuBar(0)
907	#endif /* Q_WS_MAC */
908	/* Common variables: */
909	, m_machineStatePrevious(KMachineState_Null)
910	, m_machineState(KMachineState_Null)
911	#ifndef Q_WS_MAC
912	, m_pMachineWindowIcon(0)
913	#endif /* !Q_WS_MAC */
914	, m_requestedVisualStateType(UIVisualStateType_Invalid)
915	#ifdef Q_WS_WIN
916	, m_alphaCursor(0)
917	#endif /* Q_WS_WIN */
918	#ifdef Q_WS_MAC
919	, m_pWatchdogDisplayChange(0)
920	#endif /* Q_WS_MAC */
921	, m_defaultCloseAction(MachineCloseAction_Invalid)
922	, m_restrictedCloseActions(MachineCloseAction_Invalid)
923	, m_fAllCloseActionsRestricted(false)
924	/* Common flags: */
925	, m_fInitialized(false)
926	, m_fIsFirstTimeStarted(false)
927	, m_fIsGuestResizeIgnored(false)
928	, m_fIsAutoCaptureDisabled(false)
929	/* Guest additions flags: */
930	, m_ulGuestAdditionsRunLevel(0)
931	, m_fIsGuestSupportsGraphics(false)
932	, m_fIsGuestSupportsSeamless(false)
933	/* Mouse flags: */
934	, m_fNumLock(false)
935	, m_fCapsLock(false)
936	, m_fScrollLock(false)
937	, m_uNumLockAdaptionCnt(2)
938	, m_uCapsLockAdaptionCnt(2)
939	/* Mouse flags: */
940	, m_fIsMouseSupportsAbsolute(false)
941	, m_fIsMouseSupportsRelative(false)
942	, m_fIsMouseSupportsMultiTouch(false)
943	, m_fIsMouseHostCursorNeeded(false)
944	, m_fIsMouseCaptured(false)
945	, m_fIsMouseIntegrated(true)
946	, m_fIsValidPointerShapePresent(false)
947	, m_fIsHidingHostPointer(true)
948	{
949	}
950
951	UISession::~UISession()
952	{
953	}
954
955	bool UISession::prepare()
956	{
957	/* Prepare session: */
958	if (!prepareSession())
959	return false;
960
961	/* Prepare actions: */
962	prepareActions();
963
964	/* Prepare connections: */
965	prepareConnections();
966
967	/* Prepare console event-handlers: */
968	prepareConsoleEventHandlers();
969
970	/* Prepare screens: */
971	prepareScreens();
972
973	/* Prepare framebuffers: */
974	prepareFramebuffers();
975
976	/* Load settings: */
977	loadSessionSettings();
978
979	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
980	struct sigaction sa;
981	sa.sa_sigaction = &signalHandlerSIGUSR1;
982	sigemptyset(&sa.sa_mask);
983	sa.sa_flags = SA_RESTART \| SA_SIGINFO;
984	sigaction(SIGUSR1, &sa, NULL);
985	#endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */
986
987	/* True by default: */
988	return true;
989	}
990
991	bool UISession::prepareSession()
992	{
993	/* Open session: */
994	m_session = vboxGlobal().openSession(vboxGlobal().managedVMUuid(),
995	vboxGlobal().isSeparateProcess()
996	? KLockType_Shared : KLockType_VM);
997	if (m_session.isNull())
998	return false;
999
1000	/* Get machine: */
1001	m_machine = m_session.GetMachine();
1002	if (m_machine.isNull())
1003	return false;
1004
1005	/* Get console: */
1006	m_console = m_session.GetConsole();
1007	if (m_console.isNull())
1008	return false;
1009
1010	/* Get display: */
1011	m_display = m_console.GetDisplay();
1012	if (m_display.isNull())
1013	return false;
1014
1015	/* Get guest: */
1016	m_guest = m_console.GetGuest();
1017	if (m_guest.isNull())
1018	return false;
1019
1020	/* Get mouse: */
1021	m_mouse = m_console.GetMouse();
1022	if (m_mouse.isNull())
1023	return false;
1024
1025	/* Get keyboard: */
1026	m_keyboard = m_console.GetKeyboard();
1027	if (m_keyboard.isNull())
1028	return false;
1029
1030	/* Get debugger: */
1031	m_debugger = m_console.GetDebugger();
1032	if (m_debugger.isNull())
1033	return false;
1034
1035	/* Update machine-name: */
1036	m_strMachineName = machine().GetName();
1037
1038	/* Update machine-state: */
1039	m_machineState = machine().GetState();
1040
1041	/* True by default: */
1042	return true;
1043	}
1044
1045	void UISession::prepareActions()
1046	{
1047	/* Create action-pool: */
1048	m_pActionPool = UIActionPool::create(UIActionPoolType_Runtime);
1049	AssertPtrReturnVoid(actionPool());
1050	{
1051	/* Configure action-pool: */
1052	actionPool()->toRuntime()->setSession(this);
1053
1054	/* Get host: */
1055	const CHost host = vboxGlobal().host();
1056	UIExtraDataMetaDefs::RuntimeMenuViewActionType restrictionForView = UIExtraDataMetaDefs::RuntimeMenuViewActionType_Invalid;
1057	UIExtraDataMetaDefs::RuntimeMenuDevicesActionType restrictionForDevices = UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_Invalid;
1058
1059	/* VRDE server stuff: */
1060	{
1061	/* Initialize 'View' menu: */
1062	const CVRDEServer server = machine().GetVRDEServer();
1063	if (server.isNull())
1064	restrictionForView = (UIExtraDataMetaDefs::RuntimeMenuViewActionType)(restrictionForView \| UIExtraDataMetaDefs::RuntimeMenuViewActionType_VRDEServer);
1065	}
1066
1067	/* Storage stuff: */
1068	{
1069	/* Initialize CD/FD menus: */
1070	int iDevicesCountCD = 0;
1071	int iDevicesCountFD = 0;
1072	foreach (const CMediumAttachment &attachment, machine().GetMediumAttachments())
1073	{
1074	if (attachment.GetType() == KDeviceType_DVD)
1075	++iDevicesCountCD;
1076	if (attachment.GetType() == KDeviceType_Floppy)
1077	++iDevicesCountFD;
1078	}
1079	QAction *pOpticalDevicesMenu = actionPool()->action(UIActionIndexRT_M_Devices_M_OpticalDevices);
1080	QAction *pFloppyDevicesMenu = actionPool()->action(UIActionIndexRT_M_Devices_M_FloppyDevices);
1081	pOpticalDevicesMenu->setData(iDevicesCountCD);
1082	pFloppyDevicesMenu->setData(iDevicesCountFD);
1083	if (!iDevicesCountCD)
1084	restrictionForDevices = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restrictionForDevices \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_OpticalDevices);
1085	if (!iDevicesCountFD)
1086	restrictionForDevices = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restrictionForDevices \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_FloppyDevices);
1087	}
1088
1089	/* Network stuff: */
1090	{
1091	/* Initialize Network menu: */
1092	bool fAtLeastOneAdapterActive = false;
1093	const KChipsetType chipsetType = machine().GetChipsetType();
1094	ULONG uSlots = vboxGlobal().virtualBox().GetSystemProperties().GetMaxNetworkAdapters(chipsetType);
1095	for (ULONG uSlot = 0; uSlot < uSlots; ++uSlot)
1096	{
1097	const CNetworkAdapter &adapter = machine().GetNetworkAdapter(uSlot);
1098	if (adapter.GetEnabled())
1099	{
1100	fAtLeastOneAdapterActive = true;
1101	break;
1102	}
1103	}
1104	if (!fAtLeastOneAdapterActive)
1105	restrictionForDevices = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restrictionForDevices \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_Network);
1106	}
1107
1108	/* USB stuff: */
1109	{
1110	/* Check whether there is at least one USB controller with an available proxy. */
1111	const bool fUSBEnabled = !machine().GetUSBDeviceFilters().isNull()
1112	&& !machine().GetUSBControllers().isEmpty()
1113	&& machine().GetUSBProxyAvailable();
1114	if (!fUSBEnabled)
1115	restrictionForDevices = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restrictionForDevices \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_USBDevices);
1116	}
1117
1118	/* WebCams stuff: */
1119	{
1120	/* Check whether there is an accessible video input devices pool: */
1121	host.GetVideoInputDevices();
1122	const bool fWebCamsEnabled = host.isOk() && !machine().GetUSBControllers().isEmpty();
1123	if (!fWebCamsEnabled)
1124	restrictionForDevices = (UIExtraDataMetaDefs::RuntimeMenuDevicesActionType)(restrictionForDevices \| UIExtraDataMetaDefs::RuntimeMenuDevicesActionType_WebCams);
1125	}
1126
1127	/* Apply cumulative restriction for 'View' menu: */
1128	actionPool()->toRuntime()->setRestrictionForMenuView(UIActionRestrictionLevel_Session, restrictionForView);
1129	/* Apply cumulative restriction for 'Devices' menu: */
1130	actionPool()->toRuntime()->setRestrictionForMenuDevices(UIActionRestrictionLevel_Session, restrictionForDevices);
1131
1132	#ifdef Q_WS_MAC
1133	/* Create Mac OS X menu-bar: */
1134	m_pMenuBar = new UIMenuBar;
1135	AssertPtrReturnVoid(m_pMenuBar);
1136	{
1137	/* Configure Mac OS X menu-bar: */
1138	connect(gEDataManager, SIGNAL(sigMenuBarConfigurationChange(const QString&)),
1139	this, SLOT(sltHandleMenuBarConfigurationChange(const QString&)));
1140	/* Update Mac OS X menu-bar: */
1141	updateMenu();
1142	}
1143	#endif /* Q_WS_MAC */
1144	}
1145	}
1146
1147	void UISession::prepareConnections()
1148	{
1149	connect(this, SIGNAL(sigInitialized()), this, SLOT(sltMarkInitialized()));
1150
1151	#ifdef Q_WS_MAC
1152	/* Install native display reconfiguration callback: */
1153	CGDisplayRegisterReconfigurationCallback(cgDisplayReconfigurationCallback, this);
1154	#else /* !Q_WS_MAC */
1155	/* Install Qt display reconfiguration callbacks: */
1156	connect(QApplication::desktop(), SIGNAL(screenCountChanged(int)),
1157	this, SLOT(sltHandleHostScreenCountChange()));
1158	connect(QApplication::desktop(), SIGNAL(resized(int)),
1159	this, SLOT(sltHandleHostScreenGeometryChange()));
1160	connect(QApplication::desktop(), SIGNAL(workAreaResized(int)),
1161	this, SLOT(sltHandleHostScreenAvailableAreaChange()));
1162	#endif /* !Q_WS_MAC */
1163	}
1164
1165	void UISession::prepareConsoleEventHandlers()
1166	{
1167	/* Create console event-handler: */
1168	UIConsoleEventHandler::create(this);
1169
1170	/* Add console event connections: */
1171	connect(gConsoleEvents, SIGNAL(sigMousePointerShapeChange(bool, bool, QPoint, QSize, QVector<uint8_t>)),
1172	this, SLOT(sltMousePointerShapeChange(bool, bool, QPoint, QSize, QVector<uint8_t>)));
1173
1174	connect(gConsoleEvents, SIGNAL(sigMouseCapabilityChange(bool, bool, bool, bool)),
1175	this, SLOT(sltMouseCapabilityChange(bool, bool, bool, bool)));
1176
1177	connect(gConsoleEvents, SIGNAL(sigKeyboardLedsChangeEvent(bool, bool, bool)),
1178	this, SLOT(sltKeyboardLedsChangeEvent(bool, bool, bool)));
1179
1180	connect(gConsoleEvents, SIGNAL(sigStateChange(KMachineState)),
1181	this, SLOT(sltStateChange(KMachineState)));
1182
1183	connect(gConsoleEvents, SIGNAL(sigAdditionsChange()),
1184	this, SLOT(sltAdditionsChange()));
1185
1186	connect(gConsoleEvents, SIGNAL(sigVRDEChange()),
1187	this, SLOT(sltVRDEChange()));
1188
1189	connect(gConsoleEvents, SIGNAL(sigVideoCaptureChange()),
1190	this, SLOT(sltVideoCaptureChange()));
1191
1192	connect(gConsoleEvents, SIGNAL(sigNetworkAdapterChange(CNetworkAdapter)),
1193	this, SIGNAL(sigNetworkAdapterChange(CNetworkAdapter)));
1194
1195	connect(gConsoleEvents, SIGNAL(sigMediumChange(CMediumAttachment)),
1196	this, SIGNAL(sigMediumChange(CMediumAttachment)));
1197
1198	connect(gConsoleEvents, SIGNAL(sigUSBControllerChange()),
1199	this, SIGNAL(sigUSBControllerChange()));
1200
1201	connect(gConsoleEvents, SIGNAL(sigUSBDeviceStateChange(CUSBDevice, bool, CVirtualBoxErrorInfo)),
1202	this, SIGNAL(sigUSBDeviceStateChange(CUSBDevice, bool, CVirtualBoxErrorInfo)));
1203
1204	connect(gConsoleEvents, SIGNAL(sigSharedFolderChange()),
1205	this, SIGNAL(sigSharedFolderChange()));
1206
1207	connect(gConsoleEvents, SIGNAL(sigRuntimeError(bool, QString, QString)),
1208	this, SIGNAL(sigRuntimeError(bool, QString, QString)));
1209
1210	#ifdef Q_WS_MAC
1211	connect(gConsoleEvents, SIGNAL(sigShowWindow()),
1212	this, SIGNAL(sigShowWindows()), Qt::QueuedConnection);
1213	#endif /* Q_WS_MAC */
1214
1215	connect(gConsoleEvents, SIGNAL(sigCPUExecutionCapChange()),
1216	this, SIGNAL(sigCPUExecutionCapChange()));
1217
1218	connect(gConsoleEvents, SIGNAL(sigGuestMonitorChange(KGuestMonitorChangedEventType, ulong, QRect)),
1219	this, SLOT(sltGuestMonitorChange(KGuestMonitorChangedEventType, ulong, QRect)));
1220	}
1221
1222	void UISession::prepareScreens()
1223	{
1224	/* Recache display data: */
1225	updateHostScreenData();
1226
1227	#ifdef Q_WS_MAC
1228	/* Prepare display-change watchdog: */
1229	m_pWatchdogDisplayChange = new QTimer(this);
1230	{
1231	m_pWatchdogDisplayChange->setInterval(500);
1232	m_pWatchdogDisplayChange->setSingleShot(true);
1233	connect(m_pWatchdogDisplayChange, SIGNAL(timeout()),
1234	this, SLOT(sltCheckIfHostDisplayChanged()));
1235	}
1236	#endif /* Q_WS_MAC */
1237
1238	/* Prepare initial screen visibility status: */
1239	m_monitorVisibilityVector.resize(machine().GetMonitorCount());
1240	m_monitorVisibilityVector.fill(false);
1241	m_monitorVisibilityVector[0] = true;
1242
1243	/* If machine is in 'saved' state: */
1244	if (isSaved())
1245	{
1246	/* Update screen visibility status from saved-state: */
1247	for (int iScreenIndex = 0; iScreenIndex < m_monitorVisibilityVector.size(); ++iScreenIndex)
1248	{
1249	BOOL fEnabled = true;
1250	ULONG uGuestOriginX = 0, uGuestOriginY = 0, uGuestWidth = 0, uGuestHeight = 0;
1251	machine().QuerySavedGuestScreenInfo(iScreenIndex,
1252	uGuestOriginX, uGuestOriginY,
1253	uGuestWidth, uGuestHeight, fEnabled);
1254	m_monitorVisibilityVector[iScreenIndex] = fEnabled;
1255	}
1256	/* And make sure at least one of them is visible (primary if others are hidden): */
1257	if (countOfVisibleWindows() < 1)
1258	m_monitorVisibilityVector[0] = true;
1259	}
1260	else if (vboxGlobal().isSeparateProcess())
1261	{
1262	/* Update screen visibility status from display directly: */
1263	for (int iScreenIndex = 0; iScreenIndex < m_monitorVisibilityVector.size(); ++iScreenIndex)
1264	{
1265	KGuestMonitorStatus enmStatus = KGuestMonitorStatus_Disabled;
1266	ULONG uGuestWidth = 0, uGuestHeight = 0, uBpp = 0;
1267	LONG iGuestOriginX = 0, iGuestOriginY = 0;
1268	display().GetScreenResolution(iScreenIndex,
1269	uGuestWidth, uGuestHeight, uBpp,
1270	iGuestOriginX, iGuestOriginY, enmStatus);
1271	m_monitorVisibilityVector[iScreenIndex] = (enmStatus == KGuestMonitorStatus_Enabled);
1272	}
1273	/* And make sure at least one of them is visible (primary if others are hidden): */
1274	if (countOfVisibleWindows() < 1)
1275	m_monitorVisibilityVector[0] = true;
1276	}
1277	}
1278
1279	void UISession::prepareFramebuffers()
1280	{
1281	/* Each framebuffer will be really prepared on first UIMachineView creation: */
1282	m_frameBufferVector.resize(machine().GetMonitorCount());
1283	}
1284
1285	void UISession::loadSessionSettings()
1286	{
1287	/* Load extra-data settings: */
1288	{
1289	/* Get machine ID: */
1290	const QString strMachineID = vboxGlobal().managedVMUuid();
1291
1292	#ifndef Q_WS_MAC
1293	/* Load/prepare user's machine-window icon: */
1294	QIcon icon;
1295	foreach (const QString &strIconName, gEDataManager->machineWindowIconNames(strMachineID))
1296	if (!strIconName.isEmpty())
1297	icon.addFile(strIconName);
1298	if (!icon.isNull())
1299	m_pMachineWindowIcon = new QIcon(icon);
1300
1301	/* Load user's machine-window name postfix: */
1302	m_strMachineWindowNamePostfix = gEDataManager->machineWindowNamePostfix(strMachineID);
1303	#endif /* !Q_WS_MAC */
1304
1305	/* Is there should be First RUN Wizard? */
1306	m_fIsFirstTimeStarted = gEDataManager->machineFirstTimeStarted(strMachineID);
1307
1308	/* Should guest autoresize? */
1309	QAction *pGuestAutoresizeSwitch = actionPool()->action(UIActionIndexRT_M_View_T_GuestAutoresize);
1310	pGuestAutoresizeSwitch->setChecked(gEDataManager->guestScreenAutoResizeEnabled(strMachineID));
1311
1312	#ifndef Q_WS_MAC
1313	/* Menu-bar options: */
1314	{
1315	const bool fEnabledGlobally = !vboxGlobal().settings().isFeatureActive("noMenuBar");
1316	const bool fEnabledForMachine = gEDataManager->menuBarEnabled(strMachineID);
1317	const bool fEnabled = fEnabledGlobally && fEnabledForMachine;
1318	QAction *pActionMenuBarSettings = actionPool()->action(UIActionIndexRT_M_View_M_MenuBar_S_Settings);
1319	pActionMenuBarSettings->setEnabled(fEnabled);
1320	QAction *pActionMenuBarSwitch = actionPool()->action(UIActionIndexRT_M_View_M_MenuBar_T_Visibility);
1321	pActionMenuBarSwitch->blockSignals(true);
1322	pActionMenuBarSwitch->setChecked(fEnabled);
1323	pActionMenuBarSwitch->blockSignals(false);
1324	}
1325	#endif /* !Q_WS_MAC */
1326
1327	/* Status-bar options: */
1328	{
1329	const bool fEnabledGlobally = !vboxGlobal().settings().isFeatureActive("noStatusBar");
1330	const bool fEnabledForMachine = gEDataManager->statusBarEnabled(strMachineID);
1331	const bool fEnabled = fEnabledGlobally && fEnabledForMachine;
1332	QAction *pActionStatusBarSettings = actionPool()->action(UIActionIndexRT_M_View_M_StatusBar_S_Settings);
1333	pActionStatusBarSettings->setEnabled(fEnabled);
1334	QAction *pActionStatusBarSwitch = actionPool()->action(UIActionIndexRT_M_View_M_StatusBar_T_Visibility);
1335	pActionStatusBarSwitch->blockSignals(true);
1336	pActionStatusBarSwitch->setChecked(fEnabled);
1337	pActionStatusBarSwitch->blockSignals(false);
1338	}
1339
1340	/* Input options: */
1341	actionPool()->action(UIActionIndexRT_M_Input_M_Mouse_T_Integration)->setChecked(isMouseIntegrated());
1342
1343	/* What is the default close action and the restricted are? */
1344	m_defaultCloseAction = gEDataManager->defaultMachineCloseAction(strMachineID);
1345	m_restrictedCloseActions = gEDataManager->restrictedMachineCloseActions(strMachineID);
1346	m_fAllCloseActionsRestricted = (!vboxGlobal().isSeparateProcess() \|\| (m_restrictedCloseActions & MachineCloseAction_Detach))
1347	&& (m_restrictedCloseActions & MachineCloseAction_SaveState)
1348	&& (m_restrictedCloseActions & MachineCloseAction_Shutdown)
1349	&& (m_restrictedCloseActions & MachineCloseAction_PowerOff);
1350	// Close VM Dialog hides PowerOff_RestoringSnapshot implicitly if PowerOff is hidden..
1351	// && (m_restrictedCloseActions & MachineCloseAction_PowerOff_RestoringSnapshot);
1352	}
1353	}
1354
1355	void UISession::saveSessionSettings()
1356	{
1357	/* Save extra-data settings: */
1358	{
1359	/* Disable First RUN Wizard: */
1360	gEDataManager->setMachineFirstTimeStarted(false, vboxGlobal().managedVMUuid());
1361
1362	/* Remember if guest should autoresize: */
1363	if (actionPool())
1364	{
1365	const QAction *pGuestAutoresizeSwitch = actionPool()->action(UIActionIndexRT_M_View_T_GuestAutoresize);
1366	gEDataManager->setGuestScreenAutoResizeEnabled(pGuestAutoresizeSwitch->isChecked(), vboxGlobal().managedVMUuid());
1367	}
1368
1369	#ifndef Q_WS_MAC
1370	/* Cleanup user's machine-window icon: */
1371	delete m_pMachineWindowIcon;
1372	m_pMachineWindowIcon = 0;
1373	#endif /* !Q_WS_MAC */
1374	}
1375	}
1376
1377	void UISession::cleanupFramebuffers()
1378	{
1379	/* Cleanup framebuffers finally: */
1380	for (int i = m_frameBufferVector.size() - 1; i >= 0; --i)
1381	{
1382	UIFrameBuffer *pFrameBuffer = m_frameBufferVector[i];
1383	if (pFrameBuffer)
1384	{
1385	/* Mark framebuffer as unused: */
1386	pFrameBuffer->setMarkAsUnused(true);
1387	/* Detach framebuffer from Display: */
1388	pFrameBuffer->detach();
1389	/* Delete framebuffer reference: */
1390	delete pFrameBuffer;
1391	}
1392	}
1393	m_frameBufferVector.clear();
1394	}
1395
1396	void UISession::cleanupConsoleEventHandlers()
1397	{
1398	/* Destroy console event-handler if necessary: */
1399	if (gConsoleEvents)
1400	UIConsoleEventHandler::destroy();
1401	}
1402
1403	void UISession::cleanupConnections()
1404	{
1405	#ifdef Q_WS_MAC
1406	/* Remove display reconfiguration callback: */
1407	CGDisplayRemoveReconfigurationCallback(cgDisplayReconfigurationCallback, this);
1408	#endif /* Q_WS_MAC */
1409	}
1410
1411	void UISession::cleanupActions()
1412	{
1413	#ifdef Q_WS_MAC
1414	/* Destroy Mac OS X menu-bar: */
1415	delete m_pMenuBar;
1416	m_pMenuBar = 0;
1417	#endif /* Q_WS_MAC */
1418
1419	/* Destroy action-pool if necessary: */
1420	if (actionPool())
1421	UIActionPool::destroy(actionPool());
1422	}
1423
1424	void UISession::cleanupSession()
1425	{
1426	/* Detach debugger: */
1427	if (!m_debugger.isNull())
1428	m_debugger.detach();
1429
1430	/* Detach keyboard: */
1431	if (!m_keyboard.isNull())
1432	m_keyboard.detach();
1433
1434	/* Detach mouse: */
1435	if (!m_mouse.isNull())
1436	m_mouse.detach();
1437
1438	/* Detach guest: */
1439	if (!m_guest.isNull())
1440	m_guest.detach();
1441
1442	/* Detach display: */
1443	if (!m_display.isNull())
1444	m_display.detach();
1445
1446	/* Detach console: */
1447	if (!m_console.isNull())
1448	m_console.detach();
1449
1450	/* Detach machine: */
1451	if (!m_machine.isNull())
1452	m_machine.detach();
1453
1454	/* Close session: */
1455	if (!m_session.isNull() && vboxGlobal().isVBoxSVCAvailable())
1456	{
1457	m_session.UnlockMachine();
1458	m_session.detach();
1459	}
1460	}
1461
1462	void UISession::cleanup()
1463	{
1464	#ifdef Q_WS_WIN
1465	/* Destroy alpha cursor: */
1466	if (m_alphaCursor)
1467	DestroyIcon(m_alphaCursor);
1468	#endif /* Q_WS_WIN */
1469
1470	/* Save settings: */
1471	saveSessionSettings();
1472
1473	/* Cleanup framebuffers: */
1474	cleanupFramebuffers();
1475
1476	/* Cleanup console event-handlers: */
1477	cleanupConsoleEventHandlers();
1478
1479	/* Cleanup connections: */
1480	cleanupConnections();
1481
1482	/* Cleanup actions: */
1483	cleanupActions();
1484
1485	/* Cleanup session: */
1486	cleanupSession();
1487	}
1488
1489	#ifdef Q_WS_MAC
1490	void UISession::updateMenu()
1491	{
1492	/* Rebuild Mac OS X menu-bar: */
1493	m_pMenuBar->clear();
1494	foreach (QMenu *pMenu, actionPool()->menus())
1495	{
1496	UIMenu pMenuUI = qobject_cast<UIMenu>(pMenu);
1497	if (!pMenuUI->isConsumable() \|\| !pMenuUI->isConsumed())
1498	m_pMenuBar->addMenu(pMenuUI);
1499	if (pMenuUI->isConsumable() && !pMenuUI->isConsumed())
1500	pMenuUI->setConsumed(true);
1501	}
1502	}
1503	#endif /* Q_WS_MAC */
1504
1505	WId UISession::winId() const
1506	{
1507	return mainMachineWindow()->winId();
1508	}
1509
1510	void UISession::setPointerShape(const uchar *pShapeData, bool fHasAlpha,
1511	uint uXHot, uint uYHot, uint uWidth, uint uHeight)
1512	{
1513	AssertMsg(pShapeData, ("Shape data must not be NULL!\n"));
1514
1515	m_fIsValidPointerShapePresent = false;
1516	const uchar *srcAndMaskPtr = pShapeData;
1517	uint andMaskSize = (uWidth + 7) / 8 * uHeight;
1518	const uchar *srcShapePtr = pShapeData + ((andMaskSize + 3) & ~3);
1519	uint srcShapePtrScan = uWidth * 4;
1520
1521	#if defined (Q_WS_WIN)
1522
1523	BITMAPV5HEADER bi;
1524	HBITMAP hBitmap;
1525	void *lpBits;
1526
1527	::ZeroMemory(&bi, sizeof (BITMAPV5HEADER));
1528	bi.bV5Size = sizeof(BITMAPV5HEADER);
1529	bi.bV5Width = uWidth;
1530	bi.bV5Height = - (LONG)uHeight;
1531	bi.bV5Planes = 1;
1532	bi.bV5BitCount = 32;
1533	bi.bV5Compression = BI_BITFIELDS;
1534	bi.bV5RedMask = 0x00FF0000;
1535	bi.bV5GreenMask = 0x0000FF00;
1536	bi.bV5BlueMask = 0x000000FF;
1537	if (fHasAlpha)
1538	bi.bV5AlphaMask = 0xFF000000;
1539	else
1540	bi.bV5AlphaMask = 0;
1541
1542	HDC hdc = GetDC(NULL);
1543
1544	/* Create the DIB section with an alpha channel: */
1545	hBitmap = CreateDIBSection(hdc, (BITMAPINFO )&bi, DIB_RGB_COLORS, (void *)&lpBits, NULL, (DWORD) 0);
1546
1547	ReleaseDC(NULL, hdc);
1548
1549	HBITMAP hMonoBitmap = NULL;
1550	if (fHasAlpha)
1551	{
1552	/* Create an empty mask bitmap: */
1553	hMonoBitmap = CreateBitmap(uWidth, uHeight, 1, 1, NULL);
1554	}
1555	else
1556	{
1557	/* Word aligned AND mask. Will be allocated and created if necessary. */
1558	uint8_t *pu8AndMaskWordAligned = NULL;
1559
1560	/* Width in bytes of the original AND mask scan line. */
1561	uint32_t cbAndMaskScan = (uWidth + 7) / 8;
1562
1563	if (cbAndMaskScan & 1)
1564	{
1565	/* Original AND mask is not word aligned. */
1566
1567	/* Allocate memory for aligned AND mask. */
1568	pu8AndMaskWordAligned = (uint8_t )RTMemTmpAllocZ((cbAndMaskScan + 1) uHeight);
1569
1570	Assert(pu8AndMaskWordAligned);
1571
1572	if (pu8AndMaskWordAligned)
1573	{
1574	/* According to MSDN the padding bits must be 0.
1575	* Compute the bit mask to set padding bits to 0 in the last byte of original AND mask. */
1576	uint32_t u32PaddingBits = cbAndMaskScan * 8 - uWidth;
1577	Assert(u32PaddingBits < 8);
1578	uint8_t u8LastBytesPaddingMask = (uint8_t)(0xFF << u32PaddingBits);
1579
1580	Log(("u8LastBytesPaddingMask = %02X, aligned w = %d, width = %d, cbAndMaskScan = %d\n",
1581	u8LastBytesPaddingMask, (cbAndMaskScan + 1) * 8, uWidth, cbAndMaskScan));
1582
1583	uint8_t src = (uint8_t )srcAndMaskPtr;
1584	uint8_t *dst = pu8AndMaskWordAligned;
1585
1586	unsigned i;
1587	for (i = 0; i < uHeight; i++)
1588	{
1589	memcpy(dst, src, cbAndMaskScan);
1590
1591	dst[cbAndMaskScan - 1] &= u8LastBytesPaddingMask;
1592
1593	src += cbAndMaskScan;
1594	dst += cbAndMaskScan + 1;
1595	}
1596	}
1597	}
1598
1599	/* Create the AND mask bitmap: */
1600	hMonoBitmap = ::CreateBitmap(uWidth, uHeight, 1, 1,
1601	pu8AndMaskWordAligned? pu8AndMaskWordAligned: srcAndMaskPtr);
1602
1603	if (pu8AndMaskWordAligned)
1604	{
1605	RTMemTmpFree(pu8AndMaskWordAligned);
1606	}
1607	}
1608
1609	Assert(hBitmap);
1610	Assert(hMonoBitmap);
1611	if (hBitmap && hMonoBitmap)
1612	{
1613	DWORD dstShapePtr = (DWORD ) lpBits;
1614
1615	for (uint y = 0; y < uHeight; y ++)
1616	{
1617	memcpy(dstShapePtr, srcShapePtr, srcShapePtrScan);
1618	srcShapePtr += srcShapePtrScan;
1619	dstShapePtr += uWidth;
1620	}
1621
1622	ICONINFO ii;
1623	ii.fIcon = FALSE;
1624	ii.xHotspot = uXHot;
1625	ii.yHotspot = uYHot;
1626	ii.hbmMask = hMonoBitmap;
1627	ii.hbmColor = hBitmap;
1628
1629	HCURSOR hAlphaCursor = CreateIconIndirect(&ii);
1630	Assert(hAlphaCursor);
1631	if (hAlphaCursor)
1632	{
1633	/* Set the new cursor: */
1634	m_cursor = QCursor(hAlphaCursor);
1635	if (m_alphaCursor)
1636	DestroyIcon(m_alphaCursor);
1637	m_alphaCursor = hAlphaCursor;
1638	m_fIsValidPointerShapePresent = true;
1639	}
1640	}
1641
1642	if (hMonoBitmap)
1643	DeleteObject(hMonoBitmap);
1644	if (hBitmap)
1645	DeleteObject(hBitmap);
1646
1647	#elif defined (Q_WS_X11) && !defined (VBOX_WITHOUT_XCURSOR)
1648
1649	XcursorImage *img = XcursorImageCreate(uWidth, uHeight);
1650	Assert(img);
1651	if (img)
1652	{
1653	img->xhot = uXHot;
1654	img->yhot = uYHot;
1655
1656	XcursorPixel *dstShapePtr = img->pixels;
1657
1658	for (uint y = 0; y < uHeight; y ++)
1659	{
1660	memcpy (dstShapePtr, srcShapePtr, srcShapePtrScan);
1661
1662	if (!fHasAlpha)
1663	{
1664	/* Convert AND mask to the alpha channel: */
1665	uchar byte = 0;
1666	for (uint x = 0; x < uWidth; x ++)
1667	{
1668	if (!(x % 8))
1669	byte = *(srcAndMaskPtr ++);
1670	else
1671	byte <<= 1;
1672
1673	if (byte & 0x80)
1674	{
1675	/* Linux doesn't support inverted pixels (XOR ops,
1676	* to be exact) in cursor shapes, so we detect such
1677	* pixels and always replace them with black ones to
1678	* make them visible at least over light colors */
1679	if (dstShapePtr [x] & 0x00FFFFFF)
1680	dstShapePtr [x] = 0xFF000000;
1681	else
1682	dstShapePtr [x] = 0x00000000;
1683	}
1684	else
1685	dstShapePtr [x] \|= 0xFF000000;
1686	}
1687	}
1688
1689	srcShapePtr += srcShapePtrScan;
1690	dstShapePtr += uWidth;
1691	}
1692
1693	/* Set the new cursor: */
1694	m_cursor = QCursor(XcursorImageLoadCursor(QX11Info::display(), img));
1695	m_fIsValidPointerShapePresent = true;
1696
1697	XcursorImageDestroy(img);
1698	}
1699
1700	#elif defined(Q_WS_MAC)
1701
1702	/* Create a ARGB image out of the shape data. */
1703	QImage image (uWidth, uHeight, QImage::Format_ARGB32);
1704	const uint8_t* pbSrcMask = static_cast<const uint8_t*> (srcAndMaskPtr);
1705	unsigned cbSrcMaskLine = RT_ALIGN (uWidth, 8) / 8;
1706	for (unsigned int y = 0; y < uHeight; ++y)
1707	{
1708	for (unsigned int x = 0; x < uWidth; ++x)
1709	{
1710	unsigned int color = ((unsigned int)srcShapePtr)[yuWidth+x];
1711	/* If the alpha channel isn't in the shape data, we have to
1712	* create them from the and-mask. This is a bit field where 1
1713	* represent transparency & 0 opaque respectively. */
1714	if (!fHasAlpha)
1715	{
1716	if (!(pbSrcMask[x / 8] & (1 << (7 - (x % 8)))))
1717	color \|= 0xff000000;
1718	else
1719	{
1720	/* This isn't quite right, but it's the best we can do I think... */
1721	if (color & 0x00ffffff)
1722	color = 0xff000000;
1723	else
1724	color = 0x00000000;
1725	}
1726	}
1727	image.setPixel (x, y, color);
1728	}
1729	/* Move one scanline forward. */
1730	pbSrcMask += cbSrcMaskLine;
1731	}
1732
1733	/* Set the new cursor: */
1734	m_cursor = QCursor(QPixmap::fromImage(image), uXHot, uYHot);
1735	m_fIsValidPointerShapePresent = true;
1736	NOREF(srcShapePtrScan);
1737
1738	#else
1739
1740	# warning "port me"
1741
1742	#endif
1743	}
1744
1745	bool UISession::preprocessInitialization()
1746	{
1747	#ifdef VBOX_WITH_NETFLT
1748	/* Skip further checks if VM in saved state */
1749	if (isSaved())
1750	return true;
1751
1752	/* Make sure all the attached and enabled network
1753	* adapters are present on the host. This check makes sense
1754	* in two cases only - when attachement type is Bridged Network
1755	* or Host-only Interface. NOTE: Only currently enabled
1756	* attachement type is checked (incorrect parameters check for
1757	* currently disabled attachement types is skipped). */
1758	QStringList failedInterfaceNames;
1759	QStringList availableInterfaceNames;
1760
1761	/* Create host network interface names list */
1762	foreach (const CHostNetworkInterface &iface, vboxGlobal().host().GetNetworkInterfaces())
1763	{
1764	availableInterfaceNames << iface.GetName();
1765	availableInterfaceNames << iface.GetShortName();
1766	}
1767
1768	ulong cCount = vboxGlobal().virtualBox().GetSystemProperties().GetMaxNetworkAdapters(machine().GetChipsetType());
1769	for (ulong uAdapterIndex = 0; uAdapterIndex < cCount; ++uAdapterIndex)
1770	{
1771	CNetworkAdapter na = machine().GetNetworkAdapter(uAdapterIndex);
1772
1773	if (na.GetEnabled())
1774	{
1775	QString strIfName = QString();
1776
1777	/* Get physical network interface name for currently
1778	* enabled network attachement type */
1779	switch (na.GetAttachmentType())
1780	{
1781	case KNetworkAttachmentType_Bridged:
1782	strIfName = na.GetBridgedInterface();
1783	break;
1784	case KNetworkAttachmentType_HostOnly:
1785	strIfName = na.GetHostOnlyInterface();
1786	break;
1787	}
1788
1789	if (!strIfName.isEmpty() &&
1790	!availableInterfaceNames.contains(strIfName))
1791	{
1792	LogFlow(("Found invalid network interface: %s\n", strIfName.toStdString().c_str()));
1793	failedInterfaceNames << QString("%1 (adapter %2)").arg(strIfName).arg(uAdapterIndex + 1);
1794	}
1795	}
1796	}
1797
1798	/* Check if non-existent interfaces found */
1799	if (!failedInterfaceNames.isEmpty())
1800	{
1801	if (msgCenter().cannotStartWithoutNetworkIf(machineName(), failedInterfaceNames.join(", ")))
1802	machineLogic()->openNetworkSettingsDialog();
1803	else
1804	return false;
1805	}
1806	#endif /* VBOX_WITH_NETFLT */
1807
1808	/* True by default: */
1809	return true;
1810	}
1811
1812	bool UISession::mountAdHocImage(KDeviceType enmDeviceType, UIMediumType enmMediumType, const QString &strImage)
1813	{
1814	/* The 'none' image name means ejecting what ever is in the drive,
1815	* so leave the image variables null. */
1816	CVirtualBox vbox = vboxGlobal().virtualBox();
1817	UIMedium uiImage;
1818	if (strImage != "none")
1819	{
1820	/* Open the image: */
1821	CVirtualBox vbox = vboxGlobal().virtualBox();
1822	CMedium vboxImage = vbox.OpenMedium(strImage, enmDeviceType, KAccessMode_ReadWrite, false /* fForceNewUuid */);
1823	if (!vbox.isOk() \|\| vboxImage.isNull())
1824	{
1825	msgCenter().cannotOpenMedium(vbox, enmMediumType, strImage);
1826	return false;
1827	}
1828
1829	/* Work the cache and use the cached image if possible: */
1830	uiImage = vboxGlobal().medium(vboxImage.GetId());
1831	if (uiImage.isNull())
1832	{
1833	uiImage = UIMedium(vboxImage, enmMediumType, KMediumState_Created);
1834	vboxGlobal().createMedium(uiImage);
1835	}
1836	}
1837	if (vbox.isOk())
1838	{
1839	/* Find suitable storage controller: */
1840	foreach (const CStorageController &controller, machine().GetStorageControllers())
1841	{
1842	foreach (const CMediumAttachment &attachment, machine().GetMediumAttachmentsOfController(controller.GetName()))
1843	{
1844	if (attachment.GetType() == enmDeviceType)
1845	{
1846	/* Mount the image: */
1847	machine().MountMedium(controller.GetName(), attachment.GetPort(), attachment.GetDevice(), uiImage.medium(), true /* force */);
1848	if (machine().isOk())
1849	return true;
1850	msgCenter().cannotRemountMedium(machine(), uiImage, !uiImage.isNull() /* mount /, false / retry */);
1851	return false;
1852	}
1853	}
1854	}
1855	msgCenter().cannotRemountMedium(machine(), uiImage, !uiImage.isNull() /* mount /, false / retry */);
1856	}
1857	else
1858	msgCenter().cannotOpenMedium(vbox, enmMediumType, strImage);
1859	return false;
1860	}
1861
1862	bool UISession::postprocessInitialization()
1863	{
1864	/* Check if the required virtualization features are active. We get this info only when the session is active. */
1865	const bool fIs64BitsGuest = vboxGlobal().virtualBox().GetGuestOSType(guest().GetOSTypeId()).GetIs64Bit();
1866	const bool fRecommendVirtEx = vboxGlobal().virtualBox().GetGuestOSType(guest().GetOSTypeId()).GetRecommendedVirtEx();
1867	AssertMsg(!fIs64BitsGuest \|\| fRecommendVirtEx, ("Virtualization support missed for 64bit guest!\n"));
1868	const bool fIsVirtActive = debugger().GetHWVirtExEnabled();
1869	if (fRecommendVirtEx && !fIsVirtActive)
1870	{
1871	/* Check whether vt-x / amd-v supported: */
1872	bool fVTxAMDVSupported = vboxGlobal().host().GetProcessorFeature(KProcessorFeature_HWVirtEx);
1873
1874	/* Pause VM: */
1875	setPause(true);
1876
1877	/* Ask the user about further actions: */
1878	bool fShouldWeClose;
1879	if (fIs64BitsGuest)
1880	fShouldWeClose = msgCenter().warnAboutVirtExInactiveFor64BitsGuest(fVTxAMDVSupported);
1881	else
1882	fShouldWeClose = msgCenter().warnAboutVirtExInactiveForRecommendedGuest(fVTxAMDVSupported);
1883
1884	/* If user asked to close VM: */
1885	if (fShouldWeClose)
1886	{
1887	/* Enable 'manual-override',
1888	* preventing automatic Runtime UI closing: */
1889	if (machineLogic())
1890	machineLogic()->setManualOverrideMode(true);
1891	/* Power off VM: */
1892	bool fServerCrashed = false;
1893	powerOff(false, fServerCrashed);
1894	return false;
1895	}
1896
1897	/* Resume VM: */
1898	setPause(false);
1899	}
1900
1901	/* True by default: */
1902	return true;
1903	}
1904
1905	bool UISession::isScreenVisible(ulong uScreenId) const
1906	{
1907	/* Make sure index feats the bounds: */
1908	AssertReturn(uScreenId < (ulong)m_monitorVisibilityVector.size(), false);
1909
1910	/* Return 'actual' visibility status: */
1911	return m_monitorVisibilityVector.value((int)uScreenId);
1912	}
1913
1914	void UISession::setScreenVisible(ulong uScreenId, bool fIsMonitorVisible)
1915	{
1916	/* Make sure index feats the bounds: */
1917	AssertReturnVoid(uScreenId < (ulong)m_monitorVisibilityVector.size());
1918
1919	/* Remember 'actual' visibility status: */
1920	m_monitorVisibilityVector[(int)uScreenId] = fIsMonitorVisible;
1921	/* Remember 'desired' visibility status: */
1922	gEDataManager->setLastGuestScreenVisibilityStatus(uScreenId, fIsMonitorVisible, vboxGlobal().managedVMUuid());
1923	}
1924
1925	int UISession::countOfVisibleWindows()
1926	{
1927	int cCountOfVisibleWindows = 0;
1928	for (int i = 0; i < m_monitorVisibilityVector.size(); ++i)
1929	if (m_monitorVisibilityVector[i])
1930	++cCountOfVisibleWindows;
1931	return cCountOfVisibleWindows;
1932	}
1933
1934	UIFrameBuffer* UISession::frameBuffer(ulong uScreenId) const
1935	{
1936	Assert(uScreenId < (ulong)m_frameBufferVector.size());
1937	return m_frameBufferVector.value((int)uScreenId, 0);
1938	}
1939
1940	void UISession::setFrameBuffer(ulong uScreenId, UIFrameBuffer* pFrameBuffer)
1941	{
1942	Assert(uScreenId < (ulong)m_frameBufferVector.size());
1943	if (uScreenId < (ulong)m_frameBufferVector.size())
1944	m_frameBufferVector[(int)uScreenId] = pFrameBuffer;
1945	}
1946
1947	void UISession::updateHostScreenData()
1948	{
1949	m_hostScreens.clear();
1950	QDesktopWidget *pDesktop = QApplication::desktop();
1951	for (int iScreenIndex = 0; iScreenIndex < pDesktop->screenCount(); ++iScreenIndex)
1952	m_hostScreens << pDesktop->screenGeometry(iScreenIndex);
1953	}
1954
1955	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
1956	/**
1957	* Custom signal handler. When switching VTs, we might not get release events
1958	* for Ctrl-Alt and in case a savestate is performed on the new VT, the VM will
1959	* be saved with modifier keys stuck. This is annoying enough for introducing
1960	* this hack.
1961	*/
1962	/* static */
1963	static void signalHandlerSIGUSR1(int sig, siginfo_t * /* pInfo /, void /pSecret /)
1964	{
1965	/* only SIGUSR1 is interesting */
1966	if (sig == SIGUSR1)
1967	if (UIMachine *pMachine = vboxGlobal().virtualMachine())
1968	pMachine->uisession()->machineLogic()->keyboardHandler()->releaseAllPressedKeys();
1969	}
1970	#endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */
1971

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source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/runtime/UISession.cpp@ 57178

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