VBoxDbgConsole.cpp@ 77412

Last change on this file since 77412 was 77412, checked in by vboxsync, 6 years ago
VBoxDbg: Moved the title management to the VBoxDbgBaseWindow class, combining the approaches in the console and statistics windows.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 29.1 KB

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1	/* $Id: VBoxDbgConsole.cpp 77412 2019-02-21 18:25:37Z vboxsync $ */
2	/** @file
3	* VBox Debugger GUI - Console.
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 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
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_DBGG
23	#include "VBoxDbgConsole.h"
24	#include "VBoxDbgGui.h"
25
26	#include <QLabel>
27	#include <QApplication>
28	#include <QFont>
29	#include <QLineEdit>
30	#include <QHBoxLayout>
31	#include <QAction>
32	#include <QContextMenuEvent>
33	#include <QMenu>
34
35	#include <VBox/dbg.h>
36	#include <VBox/vmm/cfgm.h>
37	#include <iprt/errcore.h>
38
39	#include <iprt/thread.h>
40	#include <iprt/tcp.h>
41	#include <VBox/log.h>
42	#include <iprt/assert.h>
43	#include <iprt/asm.h>
44	#include <iprt/alloc.h>
45	#include <iprt/string.h>
46
47	#include <VBox/com/string.h>
48
49
50
51	/*
52	*
53	* V B o x D b g C o n s o l e O u t p u t
54	* V B o x D b g C o n s o l e O u t p u t
55	* V B o x D b g C o n s o l e O u t p u t
56	*
57	*
58	*/
59
60	/static/ const uint32_t VBoxDbgConsoleOutput::s_uMinFontSize = 6;
61
62
63	VBoxDbgConsoleOutput::VBoxDbgConsoleOutput(QWidget pParent/ = NULL/, IVirtualBox a_pVirtualBox /* = NULL */,
64	const char pszName/ = NULL*/)
65	: QTextEdit(pParent), m_uCurLine(0), m_uCurPos(0), m_hGUIThread(RTThreadNativeSelf()), m_pVirtualBox(a_pVirtualBox)
66	{
67	setReadOnly(true);
68	setUndoRedoEnabled(false);
69	setOverwriteMode(false);
70	setPlainText("");
71	setTextInteractionFlags(Qt::TextBrowserInteraction);
72	setAutoFormatting(QTextEdit::AutoAll);
73	setTabChangesFocus(true);
74	setAcceptRichText(false);
75
76	/*
77	* Create actions for color-scheme menu items.
78	*/
79	m_pGreenOnBlackAction = new QAction(tr("Green On Black"), this);
80	m_pGreenOnBlackAction->setCheckable(true);
81	m_pGreenOnBlackAction->setShortcut(Qt::ControlModifier + Qt::Key_1);
82	m_pGreenOnBlackAction->setData((int)kGreenOnBlack);
83	connect(m_pGreenOnBlackAction, SIGNAL(triggered()), this, SLOT(sltSelectColorScheme()));
84
85	m_pBlackOnWhiteAction = new QAction(tr("Black On White"), this);
86	m_pBlackOnWhiteAction->setCheckable(true);
87	m_pBlackOnWhiteAction->setShortcut(Qt::ControlModifier + Qt::Key_2);
88	m_pBlackOnWhiteAction->setData((int)kBlackOnWhite);
89	connect(m_pBlackOnWhiteAction, SIGNAL(triggered()), this, SLOT(sltSelectColorScheme()));
90
91	/* Create action group for grouping of exclusive color-scheme menu items. */
92	QActionGroup *pActionColorGroup = new QActionGroup(this);
93	pActionColorGroup->addAction(m_pGreenOnBlackAction);
94	pActionColorGroup->addAction(m_pBlackOnWhiteAction);
95	pActionColorGroup->setExclusive(true);
96
97	/*
98	* Create actions for font menu items.
99	*/
100	m_pCourierFontAction = new QAction(tr("Courier"), this);
101	m_pCourierFontAction->setCheckable(true);
102	m_pCourierFontAction->setShortcut(Qt::ControlModifier + Qt::Key_D);
103	m_pCourierFontAction->setData((int)kFontType_Courier);
104	connect(m_pCourierFontAction, SIGNAL(triggered()), this, SLOT(sltSelectFontType()));
105
106	m_pMonospaceFontAction = new QAction(tr("Monospace"), this);
107	m_pMonospaceFontAction->setCheckable(true);
108	m_pMonospaceFontAction->setShortcut(Qt::ControlModifier + Qt::Key_M);
109	m_pMonospaceFontAction->setData((int)kFontType_Monospace);
110	connect(m_pMonospaceFontAction, SIGNAL(triggered()), this, SLOT(sltSelectFontType()));
111
112	/* Create action group for grouping of exclusive font menu items. */
113	QActionGroup *pActionFontGroup = new QActionGroup(this);
114	pActionFontGroup->addAction(m_pCourierFontAction);
115	pActionFontGroup->addAction(m_pMonospaceFontAction);
116	pActionFontGroup->setExclusive(true);
117
118	/*
119	* Create actions for font size menu.
120	*/
121	uint32_t const uDefaultFontSize = font().pointSize();
122	m_pActionFontSizeGroup = new QActionGroup(this);
123	for (uint32_t i = 0; i < RT_ELEMENTS(m_apFontSizeActions); i++)
124	{
125	char szTitle[32];
126	RTStrPrintf(szTitle, sizeof(szTitle), s_uMinFontSize + i != uDefaultFontSize ? "%upt" : "%upt (default)",
127	s_uMinFontSize + i);
128	m_apFontSizeActions[i] = new QAction(tr(szTitle), this);
129	m_apFontSizeActions[i]->setCheckable(true);
130	m_apFontSizeActions[i]->setData(i + s_uMinFontSize);
131	connect(m_apFontSizeActions[i], SIGNAL(triggered()), this, SLOT(sltSelectFontSize()));
132	m_pActionFontSizeGroup->addAction(m_apFontSizeActions[i]);
133	}
134
135	/*
136	* Set the defaults (which syncs with the menu item checked state).
137	*/
138	/* color scheme: */
139	com::Bstr bstrColor;
140	HRESULT hrc = m_pVirtualBox ? m_pVirtualBox->GetExtraData(com::Bstr("DbgConsole/ColorScheme").raw(), bstrColor.asOutParam()) : E_FAIL;
141	if ( SUCCEEDED(hrc)
142	&& bstrColor.compareUtf8("blackonwhite", com::Bstr::CaseInsensitive) == 0)
143	setColorScheme(kBlackOnWhite, false /fSaveIt/);
144	else
145	setColorScheme(kGreenOnBlack, false /fSaveIt/);
146
147	/* font: */
148	com::Bstr bstrFont;
149	hrc = m_pVirtualBox ? m_pVirtualBox->GetExtraData(com::Bstr("DbgConsole/Font").raw(), bstrFont.asOutParam()) : E_FAIL;
150	if ( SUCCEEDED(hrc)
151	&& bstrFont.compareUtf8("monospace", com::Bstr::CaseInsensitive) == 0)
152	setFontType(kFontType_Monospace, false /fSaveIt/);
153	else
154	setFontType(kFontType_Courier, false /fSaveIt/);
155
156	/* font size: */
157	com::Bstr bstrFontSize;
158	hrc = m_pVirtualBox ? m_pVirtualBox->GetExtraData(com::Bstr("DbgConsole/FontSize").raw(), bstrFontSize.asOutParam()) : E_FAIL;
159	if (SUCCEEDED(hrc))
160	{
161	com::Utf8Str strFontSize(bstrFontSize);
162	uint32_t uFontSizePrf = strFontSize.strip().toUInt32();
163	if ( uFontSizePrf - s_uMinFontSize < (uint32_t)RT_ELEMENTS(m_apFontSizeActions)
164	&& uFontSizePrf != uDefaultFontSize)
165	setFontSize(uFontSizePrf, false /fSaveIt/);
166	}
167
168	NOREF(pszName);
169	}
170
171
172	VBoxDbgConsoleOutput::~VBoxDbgConsoleOutput()
173	{
174	Assert(m_hGUIThread == RTThreadNativeSelf());
175	if (m_pVirtualBox)
176	{
177	m_pVirtualBox->Release();
178	m_pVirtualBox = NULL;
179	}
180	}
181
182
183	void
184	VBoxDbgConsoleOutput::contextMenuEvent(QContextMenuEvent *pEvent)
185	{
186	/*
187	* Create the context menu and add the menu items.
188	*/
189	QMenu *pMenu = createStandardContextMenu();
190	pMenu->addSeparator();
191
192	QMenu *pColorMenu = pMenu->addMenu(tr("Co&lor Scheme"));
193	pColorMenu->addAction(m_pGreenOnBlackAction);
194	pColorMenu->addAction(m_pBlackOnWhiteAction);
195
196	QMenu *pFontMenu = pMenu->addMenu(tr("&Font Family"));
197	pFontMenu->addAction(m_pCourierFontAction);
198	pFontMenu->addAction(m_pMonospaceFontAction);
199
200	QMenu *pFontSize = pMenu->addMenu(tr("Font &Size"));
201	for (unsigned i = 0; i < RT_ELEMENTS(m_apFontSizeActions); i++)
202	pFontSize->addAction(m_apFontSizeActions[i]);
203
204	pMenu->exec(pEvent->globalPos());
205	delete pMenu;
206	}
207
208
209	void
210	VBoxDbgConsoleOutput::setColorScheme(VBoxDbgConsoleColor enmScheme, bool fSaveIt)
211	{
212	const char *pszSetting;
213	QAction *pAction;
214	switch (enmScheme)
215	{
216	case kGreenOnBlack:
217	setStyleSheet("QTextEdit { background-color: black; color: rgb(0, 224, 0) }");
218	pszSetting = "GreenOnBlack";
219	pAction = m_pGreenOnBlackAction;
220	break;
221	case kBlackOnWhite:
222	setStyleSheet("QTextEdit { background-color: white; color: black }");
223	pszSetting = "BlackOnWhite";
224	pAction = m_pBlackOnWhiteAction;
225	break;
226	default:
227	AssertFailedReturnVoid();
228	}
229
230	m_enmColorScheme = kGreenOnBlack;
231
232	/* When going through a slot, the action is typically checked already by Qt. */
233	if (!pAction->isChecked())
234	pAction->setChecked(true);
235
236	/* Make this setting persistent. */
237	if (m_pVirtualBox && fSaveIt)
238	m_pVirtualBox->SetExtraData(com::Bstr("DbgConsole/ColorScheme").raw(), com::Bstr(pszSetting).raw());
239	}
240
241
242	void
243	VBoxDbgConsoleOutput::setFontType(VBoxDbgConsoleFontType enmFontType, bool fSaveIt)
244	{
245	QFont Font = font();
246	QAction *pAction;
247	const char *pszSetting;
248	switch (enmFontType)
249	{
250	case kFontType_Courier:
251	#ifdef Q_WS_MAC
252	Font = QFont("Monaco", Font.pointSize(), QFont::Normal, FALSE);
253	Font.setStyleStrategy(QFont::NoAntialias);
254	#else
255	Font.setStyleHint(QFont::TypeWriter);
256	Font.setFamily("Courier [Monotype]");
257	#endif
258	pszSetting = "Courier";
259	pAction = m_pCourierFontAction;
260	break;
261
262	case kFontType_Monospace:
263	Font.setStyleHint(QFont::TypeWriter);
264	Font.setStyleStrategy(QFont::PreferAntialias);
265	Font.setFamily("Monospace [Monotype]");
266	pszSetting = "Monospace";
267	pAction = m_pMonospaceFontAction;
268	break;
269
270	default:
271	AssertFailedReturnVoid();
272	}
273
274	setFont(Font);
275
276	/* When going through a slot, the action is typically checked already by Qt. */
277	if (!pAction->isChecked())
278	pAction->setChecked(true);
279
280	/* Make this setting persistent. */
281	if (m_pVirtualBox && fSaveIt)
282	m_pVirtualBox->SetExtraData(com::Bstr("DbgConsole/Font").raw(), com::Bstr(pszSetting).raw());
283	}
284
285
286	void
287	VBoxDbgConsoleOutput::setFontSize(uint32_t uFontSize, bool fSaveIt)
288	{
289	uint32_t idxAction = uFontSize - s_uMinFontSize;
290	if (idxAction < (uint32_t)RT_ELEMENTS(m_apFontSizeActions))
291	{
292	if (!m_apFontSizeActions[idxAction]->isChecked())
293	m_apFontSizeActions[idxAction]->setChecked(true);
294
295	QFont Font = font();
296	Font.setPointSize(uFontSize);
297	setFont(Font);
298
299	/* Make this setting persistent if requested. */
300	if (fSaveIt && m_pVirtualBox)
301	m_pVirtualBox->SetExtraData(com::Bstr("DbgConsole/FontSize").raw(), com::BstrFmt("%u", uFontSize).raw());
302	}
303	}
304
305
306	void
307	VBoxDbgConsoleOutput::sltSelectColorScheme()
308	{
309	QAction pAction = qobject_cast<QAction >(sender());
310	if (pAction)
311	setColorScheme((VBoxDbgConsoleColor)pAction->data().toInt(), true /fSaveIt/);
312	}
313
314
315	void
316	VBoxDbgConsoleOutput::sltSelectFontType()
317	{
318	QAction pAction = qobject_cast<QAction >(sender());
319	if (pAction)
320	setFontType((VBoxDbgConsoleFontType)pAction->data().toInt(), true /fSaveIt/);
321	}
322
323
324	void
325	VBoxDbgConsoleOutput::sltSelectFontSize()
326	{
327	QAction pAction = qobject_cast<QAction >(sender());
328	if (pAction)
329	setFontSize(pAction->data().toUInt(), true /fSaveIt/);
330	}
331
332
333	void
334	VBoxDbgConsoleOutput::appendText(const QString &rStr, bool fClearSelection)
335	{
336	Assert(m_hGUIThread == RTThreadNativeSelf());
337
338	if (rStr.isEmpty() \|\| rStr.isNull() \|\| !rStr.length())
339	return;
340
341	/*
342	* Insert all in one go and make sure it's visible.
343	*
344	* We need to move the cursor and unselect any selected text before
345	* inserting anything, otherwise, text will disappear.
346	*/
347	QTextCursor Cursor = textCursor();
348	if (!fClearSelection && Cursor.hasSelection())
349	{
350	QTextCursor SavedCursor = Cursor;
351	Cursor.clearSelection();
352	Cursor.movePosition(QTextCursor::End);
353
354	Cursor.insertText(rStr);
355
356	setTextCursor(SavedCursor);
357	}
358	else
359	{
360	if (Cursor.hasSelection())
361	Cursor.clearSelection();
362	if (!Cursor.atEnd())
363	Cursor.movePosition(QTextCursor::End);
364
365	Cursor.insertText(rStr);
366
367	setTextCursor(Cursor);
368	ensureCursorVisible();
369	}
370	}
371
372
373
374
375	/*
376	*
377	* V B o x D b g C o n s o l e I n p u t
378	* V B o x D b g C o n s o l e I n p u t
379	* V B o x D b g C o n s o l e I n p u t
380	*
381	*
382	*/
383
384
385	VBoxDbgConsoleInput::VBoxDbgConsoleInput(QWidget pParent/ = NULL/, const char pszName/* = NULL*/)
386	: QComboBox(pParent), m_hGUIThread(RTThreadNativeSelf())
387	{
388	addItem(""); /* invariant: empty command line is the last item */
389
390	setEditable(true);
391	setInsertPolicy(NoInsert);
392	setAutoCompletion(false);
393	setMaxCount(50);
394	const QLineEdit *pEdit = lineEdit();
395	if (pEdit)
396	connect(pEdit, SIGNAL(returnPressed()), this, SLOT(returnPressed()));
397
398	NOREF(pszName);
399	}
400
401
402	VBoxDbgConsoleInput::~VBoxDbgConsoleInput()
403	{
404	Assert(m_hGUIThread == RTThreadNativeSelf());
405	}
406
407
408	void
409	VBoxDbgConsoleInput::setLineEdit(QLineEdit *pEdit)
410	{
411	Assert(m_hGUIThread == RTThreadNativeSelf());
412	QComboBox::setLineEdit(pEdit);
413	if (lineEdit() == pEdit && pEdit)
414	connect(pEdit, SIGNAL(returnPressed()), this, SLOT(returnPressed()));
415	}
416
417
418	void
419	VBoxDbgConsoleInput::returnPressed()
420	{
421	Assert(m_hGUIThread == RTThreadNativeSelf());
422
423	QString strCommand = currentText();
424	/** @todo trim whitespace? */
425	if (strCommand.isEmpty())
426	return;
427
428	/* deal with the current command. */
429	emit commandSubmitted(strCommand);
430
431
432	/*
433	* Add current command to history.
434	*/
435	bool fNeedsAppending = true;
436
437	/* invariant: empty line at the end */
438	int iLastItem = count() - 1;
439	Assert(itemText(iLastItem).isEmpty());
440
441	/* have previous command? check duplicate. */
442	if (iLastItem > 0)
443	{
444	const QString strPrevCommand(itemText(iLastItem - 1));
445	if (strCommand == strPrevCommand)
446	fNeedsAppending = false;
447	}
448
449	if (fNeedsAppending)
450	{
451	/* history full? drop the oldest command. */
452	if (count() == maxCount())
453	{
454	removeItem(0);
455	--iLastItem;
456	}
457
458	/* insert before the empty line. */
459	insertItem(iLastItem, strCommand);
460	}
461
462	/* invariant: empty line at the end */
463	int iNewLastItem = count() - 1;
464	Assert(itemText(iNewLastItem).isEmpty());
465
466	/* select empty line to present "new" command line to the user */
467	setCurrentIndex(iNewLastItem);
468	}
469
470
471
472
473
474
475	/*
476	*
477	* V B o x D b g C o n s o l e
478	* V B o x D b g C o n s o l e
479	* V B o x D b g C o n s o l e
480	*
481	*
482	*/
483
484
485	VBoxDbgConsole::VBoxDbgConsole(VBoxDbgGui a_pDbgGui, QWidget a_pParent/* = NULL/, IVirtualBox a_pVirtualBox/* = NULL */)
486	: VBoxDbgBaseWindow(a_pDbgGui, a_pParent, "Console"), m_pOutput(NULL), m_pInput(NULL), m_fInputRestoreFocus(false),
487	m_pszInputBuf(NULL), m_cbInputBuf(0), m_cbInputBufAlloc(0),
488	m_pszOutputBuf(NULL), m_cbOutputBuf(0), m_cbOutputBufAlloc(0),
489	m_pTimer(NULL), m_fUpdatePending(false), m_Thread(NIL_RTTHREAD), m_EventSem(NIL_RTSEMEVENT),
490	m_fTerminate(false), m_fThreadTerminated(false)
491	{
492	/*
493	* Create the output text box.
494	*/
495	m_pOutput = new VBoxDbgConsoleOutput(this, a_pVirtualBox);
496
497	/* try figure a suitable size */
498	QLabel *pLabel = new QLabel( "11111111111111111111111111111111111111111111111111111111111111111111111111111112222222222", this);
499	pLabel->setFont(m_pOutput->font());
500	QSize Size = pLabel->sizeHint();
501	delete pLabel;
502	Size.setWidth((int)(Size.width() * 1.10));
503	Size.setHeight(Size.width() / 2);
504	resize(Size);
505
506	/*
507	* Create the input combo box (with a label).
508	*/
509	QHBoxLayout *pLayout = new QHBoxLayout();
510	//pLayout->setSizeConstraint(QLayout::SetMaximumSize);
511
512	pLabel = new QLabel(" Command ");
513	pLayout->addWidget(pLabel);
514	pLabel->setMaximumSize(pLabel->sizeHint());
515	pLabel->setAlignment(Qt::AlignCenter);
516
517	m_pInput = new VBoxDbgConsoleInput(NULL);
518	pLayout->addWidget(m_pInput);
519	m_pInput->setDuplicatesEnabled(false);
520	connect(m_pInput, SIGNAL(commandSubmitted(const QString &)), this, SLOT(commandSubmitted(const QString &)));
521
522	# if 0//def Q_WS_MAC
523	pLabel = new QLabel(" ");
524	pLayout->addWidget(pLabel);
525	pLabel->setMaximumSize(20, m_pInput->sizeHint().height() + 6);
526	pLabel->setMinimumSize(20, m_pInput->sizeHint().height() + 6);
527	# endif
528
529	QWidget *pHBox = new QWidget(this);
530	pHBox->setLayout(pLayout);
531
532	m_pInput->setEnabled(false); /* (we'll get a ready notification) */
533
534
535	/*
536	* Vertical layout box on the whole widget.
537	*/
538	QVBoxLayout *pVLayout = new QVBoxLayout();
539	pVLayout->setContentsMargins(0, 0, 0, 0);
540	pVLayout->setSpacing(5);
541	pVLayout->addWidget(m_pOutput);
542	pVLayout->addWidget(pHBox);
543	setLayout(pVLayout);
544
545	/*
546	* The tab order is from input to output, not the other way around as it is by default.
547	*/
548	setTabOrder(m_pInput, m_pOutput);
549	m_fInputRestoreFocus = true; /* hack */
550
551	/*
552	* Setup the timer.
553	*/
554	m_pTimer = new QTimer(this);
555	connect(m_pTimer, SIGNAL(timeout()), SLOT(updateOutput()));
556
557	/*
558	* Init the backend structure.
559	*/
560	m_Back.Core.pfnInput = backInput;
561	m_Back.Core.pfnRead = backRead;
562	m_Back.Core.pfnWrite = backWrite;
563	m_Back.Core.pfnSetReady = backSetReady;
564	m_Back.pSelf = this;
565
566	/*
567	* Create the critical section, the event semaphore and the debug console thread.
568	*/
569	int rc = RTCritSectInit(&m_Lock);
570	AssertRC(rc);
571
572	rc = RTSemEventCreate(&m_EventSem);
573	AssertRC(rc);
574
575	rc = RTThreadCreate(&m_Thread, backThread, this, 0, RTTHREADTYPE_DEBUGGER, RTTHREADFLAGS_WAITABLE, "VBoxDbgC");
576	AssertRC(rc);
577	if (RT_FAILURE(rc))
578	m_Thread = NIL_RTTHREAD;
579
580	/*
581	* Shortcuts.
582	*/
583	m_pFocusToInput = new QAction("", this);
584	m_pFocusToInput->setShortcut(QKeySequence("Ctrl+L"));
585	addAction(m_pFocusToInput);
586	connect(m_pFocusToInput, SIGNAL(triggered(bool)), this, SLOT(actFocusToInput()));
587
588	m_pFocusToOutput = new QAction("", this);
589	m_pFocusToOutput->setShortcut(QKeySequence("Ctrl+O"));
590	addAction(m_pFocusToOutput);
591	connect(m_pFocusToOutput, SIGNAL(triggered(bool)), this, SLOT(actFocusToOutput()));
592
593	addAction(m_pOutput->m_pBlackOnWhiteAction);
594	addAction(m_pOutput->m_pGreenOnBlackAction);
595	addAction(m_pOutput->m_pCourierFontAction);
596	addAction(m_pOutput->m_pMonospaceFontAction);
597	}
598
599
600	VBoxDbgConsole::~VBoxDbgConsole()
601	{
602	Assert(isGUIThread());
603
604	/*
605	* Wait for the thread.
606	*/
607	ASMAtomicWriteBool(&m_fTerminate, true);
608	RTSemEventSignal(m_EventSem);
609	if (m_Thread != NIL_RTTHREAD)
610	{
611	int rc = RTThreadWait(m_Thread, 15000, NULL);
612	AssertRC(rc);
613	m_Thread = NIL_RTTHREAD;
614	}
615
616	/*
617	* Free resources.
618	*/
619	delete m_pTimer;
620	m_pTimer = NULL;
621	RTCritSectDelete(&m_Lock);
622	RTSemEventDestroy(m_EventSem);
623	m_EventSem = 0;
624	m_pOutput = NULL;
625	m_pInput = NULL;
626	if (m_pszInputBuf)
627	{
628	RTMemFree(m_pszInputBuf);
629	m_pszInputBuf = NULL;
630	}
631	m_cbInputBuf = 0;
632	m_cbInputBufAlloc = 0;
633
634	delete m_pFocusToInput;
635	m_pFocusToInput = NULL;
636	delete m_pFocusToOutput;
637	m_pFocusToOutput = NULL;
638	}
639
640
641	void
642	VBoxDbgConsole::commandSubmitted(const QString &rCommand)
643	{
644	Assert(isGUIThread());
645
646	lock();
647	RTSemEventSignal(m_EventSem);
648
649	QByteArray Utf8Array = rCommand.toUtf8();
650	const char *psz = Utf8Array.constData();
651	size_t cb = strlen(psz);
652
653	/*
654	* Make sure we've got space for the input.
655	*/
656	if (cb + m_cbInputBuf >= m_cbInputBufAlloc)
657	{
658	size_t cbNew = RT_ALIGN_Z(cb + m_cbInputBufAlloc + 1, 128);
659	void *pv = RTMemRealloc(m_pszInputBuf, cbNew);
660	if (!pv)
661	{
662	unlock();
663	return;
664	}
665	m_pszInputBuf = (char *)pv;
666	m_cbInputBufAlloc = cbNew;
667	}
668
669	/*
670	* Add the input and output it.
671	*/
672	memcpy(m_pszInputBuf + m_cbInputBuf, psz, cb);
673	m_cbInputBuf += cb;
674	m_pszInputBuf[m_cbInputBuf++] = '\n';
675
676	m_pOutput->appendText(rCommand + "\n", true /fClearSelection/);
677	m_pOutput->ensureCursorVisible();
678
679	m_fInputRestoreFocus = m_pInput->hasFocus(); /* dirty focus hack */
680	m_pInput->setEnabled(false);
681
682	Log(("VBoxDbgConsole::commandSubmitted: %s (input-enabled=%RTbool)\n", psz, m_pInput->isEnabled()));
683	unlock();
684	}
685
686
687	void
688	VBoxDbgConsole::updateOutput()
689	{
690	Assert(isGUIThread());
691
692	lock();
693	m_fUpdatePending = false;
694	if (m_cbOutputBuf)
695	{
696	m_pOutput->appendText(QString::fromUtf8((const char )m_pszOutputBuf, (int)m_cbOutputBuf), false /fClearSelection*/);
697	m_cbOutputBuf = 0;
698	}
699	unlock();
700	}
701
702
703	/**
704	* Lock the object.
705	*/
706	void
707	VBoxDbgConsole::lock()
708	{
709	RTCritSectEnter(&m_Lock);
710	}
711
712
713	/**
714	* Unlocks the object.
715	*/
716	void
717	VBoxDbgConsole::unlock()
718	{
719	RTCritSectLeave(&m_Lock);
720	}
721
722
723
724	/**
725	* Checks if there is input.
726	*
727	* @returns true if there is input ready.
728	* @returns false if there not input ready.
729	* @param pBack Pointer to VBoxDbgConsole::m_Back.
730	* @param cMillies Number of milliseconds to wait on input data.
731	*/
732	/static/ DECLCALLBACK(bool)
733	VBoxDbgConsole::backInput(PDBGCBACK pBack, uint32_t cMillies)
734	{
735	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCBACK(pBack);
736	pThis->lock();
737
738	bool fRc = true;
739	if (!pThis->m_cbInputBuf)
740	{
741	/*
742	* Wait outside the lock for the requested time, then check again.
743	*/
744	pThis->unlock();
745	RTSemEventWait(pThis->m_EventSem, cMillies);
746	pThis->lock();
747	fRc = pThis->m_cbInputBuf
748	\|\| ASMAtomicUoReadBool(&pThis->m_fTerminate);
749	}
750
751	pThis->unlock();
752	return fRc;
753	}
754
755
756	/**
757	* Read input.
758	*
759	* @returns VBox status code.
760	* @param pBack Pointer to VBoxDbgConsole::m_Back.
761	* @param pvBuf Where to put the bytes we read.
762	* @param cbBuf Maximum nymber of bytes to read.
763	* @param pcbRead Where to store the number of bytes actually read.
764	* If NULL the entire buffer must be filled for a
765	* successful return.
766	*/
767	/static/ DECLCALLBACK(int)
768	VBoxDbgConsole::backRead(PDBGCBACK pBack, void pvBuf, size_t cbBuf, size_t pcbRead)
769	{
770	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCBACK(pBack);
771	Assert(pcbRead); /** @todo implement this bit */
772	if (pcbRead)
773	*pcbRead = 0;
774
775	pThis->lock();
776	int rc = VINF_SUCCESS;
777	if (!ASMAtomicUoReadBool(&pThis->m_fTerminate))
778	{
779	if (pThis->m_cbInputBuf)
780	{
781	const char *psz = pThis->m_pszInputBuf;
782	size_t cbRead = RT_MIN(pThis->m_cbInputBuf, cbBuf);
783	memcpy(pvBuf, psz, cbRead);
784	psz += cbRead;
785	pThis->m_cbInputBuf -= cbRead;
786	if (*psz)
787	memmove(pThis->m_pszInputBuf, psz, pThis->m_cbInputBuf);
788	pThis->m_pszInputBuf[pThis->m_cbInputBuf] = '\0';
789	*pcbRead = cbRead;
790	}
791	}
792	else
793	rc = VERR_GENERAL_FAILURE;
794	pThis->unlock();
795	return rc;
796	}
797
798
799	/**
800	* Write (output).
801	*
802	* @returns VBox status code.
803	* @param pBack Pointer to VBoxDbgConsole::m_Back.
804	* @param pvBuf What to write.
805	* @param cbBuf Number of bytes to write.
806	* @param pcbWritten Where to store the number of bytes actually written.
807	* If NULL the entire buffer must be successfully written.
808	*/
809	/static/ DECLCALLBACK(int)
810	VBoxDbgConsole::backWrite(PDBGCBACK pBack, const void pvBuf, size_t cbBuf, size_t pcbWritten)
811	{
812	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCBACK(pBack);
813	int rc = VINF_SUCCESS;
814
815	pThis->lock();
816	if (cbBuf + pThis->m_cbOutputBuf >= pThis->m_cbOutputBufAlloc)
817	{
818	size_t cbNew = RT_ALIGN_Z(cbBuf + pThis->m_cbOutputBufAlloc + 1, 1024);
819	void *pv = RTMemRealloc(pThis->m_pszOutputBuf, cbNew);
820	if (!pv)
821	{
822	pThis->unlock();
823	if (pcbWritten)
824	*pcbWritten = 0;
825	return VERR_NO_MEMORY;
826	}
827	pThis->m_pszOutputBuf = (char *)pv;
828	pThis->m_cbOutputBufAlloc = cbNew;
829	}
830
831	/*
832	* Add the output.
833	*/
834	memcpy(pThis->m_pszOutputBuf + pThis->m_cbOutputBuf, pvBuf, cbBuf);
835	pThis->m_cbOutputBuf += cbBuf;
836	pThis->m_pszOutputBuf[pThis->m_cbOutputBuf] = '\0';
837	if (pcbWritten)
838	*pcbWritten = cbBuf;
839
840	if (ASMAtomicUoReadBool(&pThis->m_fTerminate))
841	rc = VERR_GENERAL_FAILURE;
842
843	/*
844	* Tell the GUI thread to draw this text.
845	* We cannot do it from here without frequent crashes.
846	*/
847	if (!pThis->m_fUpdatePending)
848	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(VBoxDbgConsoleEvent::kUpdate));
849
850	pThis->unlock();
851
852	return rc;
853	}
854
855
856	/static/ DECLCALLBACK(void)
857	VBoxDbgConsole::backSetReady(PDBGCBACK pBack, bool fReady)
858	{
859	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCBACK(pBack);
860	if (fReady)
861	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(VBoxDbgConsoleEvent::kInputEnable));
862	}
863
864
865	/**
866	* The Debugger Console Thread
867	*
868	* @returns VBox status code (ignored).
869	* @param Thread The thread handle.
870	* @param pvUser Pointer to the VBoxDbgConsole object.s
871	*/
872	/static/ DECLCALLBACK(int)
873	VBoxDbgConsole::backThread(RTTHREAD Thread, void *pvUser)
874	{
875	VBoxDbgConsole pThis = (VBoxDbgConsole )pvUser;
876	LogFlow(("backThread: Thread=%p pvUser=%p\n", (void *)Thread, pvUser));
877
878	NOREF(Thread);
879
880	/*
881	* Create and execute the console.
882	*/
883	int rc = pThis->dbgcCreate(&pThis->m_Back.Core, 0);
884
885	ASMAtomicUoWriteBool(&pThis->m_fThreadTerminated, true);
886	if (!ASMAtomicUoReadBool(&pThis->m_fTerminate))
887	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(rc == VINF_SUCCESS
888	? VBoxDbgConsoleEvent::kTerminatedUser
889	: VBoxDbgConsoleEvent::kTerminatedOther));
890	LogFlow(("backThread: returns %Rrc (m_fTerminate=%RTbool)\n", rc, ASMAtomicUoReadBool(&pThis->m_fTerminate)));
891	return rc;
892	}
893
894
895	bool
896	VBoxDbgConsole::event(QEvent *pGenEvent)
897	{
898	Assert(isGUIThread());
899	if (pGenEvent->type() == (QEvent::Type)VBoxDbgConsoleEvent::kEventNumber)
900	{
901	VBoxDbgConsoleEvent pEvent = (VBoxDbgConsoleEvent )pGenEvent;
902
903	switch (pEvent->command())
904	{
905	/* make update pending. */
906	case VBoxDbgConsoleEvent::kUpdate:
907	lock();
908	if (!m_fUpdatePending)
909	{
910	m_fUpdatePending = true;
911	m_pTimer->setSingleShot(true);
912	m_pTimer->start(10);
913	}
914	unlock();
915	break;
916
917	/* Re-enable the input field and restore focus. */
918	case VBoxDbgConsoleEvent::kInputEnable:
919	Log(("VBoxDbgConsole: kInputEnable (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
920	m_pInput->setEnabled(true);
921	if ( m_fInputRestoreFocus
922	&& !m_pInput->hasFocus())
923	m_pInput->setFocus(); /* this is a hack. */
924	m_fInputRestoreFocus = false;
925	break;
926
927	/* The thread terminated by user command (exit, quit, bye). */
928	case VBoxDbgConsoleEvent::kTerminatedUser:
929	Log(("VBoxDbgConsole: kTerminatedUser (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
930	m_pInput->setEnabled(false);
931	close();
932	break;
933
934	/* The thread terminated for some unknown reason., disable input */
935	case VBoxDbgConsoleEvent::kTerminatedOther:
936	Log(("VBoxDbgConsole: kTerminatedOther (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
937	m_pInput->setEnabled(false);
938	break;
939
940	/* paranoia */
941	default:
942	AssertMsgFailed(("command=%d\n", pEvent->command()));
943	break;
944	}
945	return true;
946	}
947
948	return VBoxDbgBaseWindow::event(pGenEvent);
949	}
950
951
952	void
953	VBoxDbgConsole::keyReleaseEvent(QKeyEvent *pEvent)
954	{
955	//RTAssertMsg2("VBoxDbgConsole::keyReleaseEvent: %d (%#x); mod=%#x\n", pEvent->key(), pEvent->key(), pEvent->modifiers());
956	switch (pEvent->key())
957	{
958	case Qt::Key_F5:
959	if (pEvent->modifiers() == 0)
960	commandSubmitted("g");
961	break;
962
963	case Qt::Key_F8:
964	if (pEvent->modifiers() == 0)
965	commandSubmitted("t");
966	break;
967
968	case Qt::Key_F10:
969	if (pEvent->modifiers() == 0)
970	commandSubmitted("p");
971	break;
972
973	case Qt::Key_F11:
974	if (pEvent->modifiers() == 0)
975	commandSubmitted("t");
976	else if (pEvent->modifiers() == Qt::ShiftModifier)
977	commandSubmitted("gu");
978	break;
979
980	case Qt::Key_Cancel: /* == break */
981	if (pEvent->modifiers() == Qt::ControlModifier)
982	commandSubmitted("stop");
983	break;
984	case Qt::Key_Delete:
985	if (pEvent->modifiers() == Qt::AltModifier)
986	commandSubmitted("stop");
987	break;
988	}
989	}
990
991
992	void
993	VBoxDbgConsole::closeEvent(QCloseEvent *a_pCloseEvt)
994	{
995	if (m_fThreadTerminated)
996	{
997	a_pCloseEvt->accept();
998	delete this;
999	}
1000	}
1001
1002
1003	void
1004	VBoxDbgConsole::actFocusToInput()
1005	{
1006	if (!m_pInput->hasFocus())
1007	m_pInput->setFocus(Qt::ShortcutFocusReason);
1008	}
1009
1010
1011	void
1012	VBoxDbgConsole::actFocusToOutput()
1013	{
1014	if (!m_pOutput->hasFocus())
1015	m_pOutput->setFocus(Qt::ShortcutFocusReason);
1016	}
1017

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source: vbox/trunk/src/VBox/Debugger/VBoxDbgConsole.cpp@ 77412

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