VBoxDbgConsole.cpp@ 104933

Last change on this file since 104933 was 103491, checked in by vboxsync, 10 months ago
VBoxDbg: Fixed console output performance troubles caused by 'Courier [Monospace]' on Windows, changing the default font to the system's default fixed font and dropping the '[Monospace]' from the family. Also an disabled experiment switching to QPlainTextEdit. bugref:10604
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 31.0 KB

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1	/* $Id: VBoxDbgConsole.cpp 103491 2024-02-21 12:36:24Z vboxsync $ */
2	/** @file
3	* VBox Debugger GUI - Console.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#define LOG_GROUP LOG_GROUP_DBGG
33	#include "VBoxDbgConsole.h"
34	#include "VBoxDbgGui.h"
35
36	#include <QAction>
37	#include <QApplication>
38	#include <QContextMenuEvent>
39	#include <QFont>
40	#include <QFontDatabase>
41	#include <QHBoxLayout>
42	#include <QLabel>
43	#include <QLineEdit>
44	#include <QMenu>
45	#include <QScrollBar>
46
47	#include <VBox/dbg.h>
48	#include <VBox/vmm/cfgm.h>
49	#include <iprt/errcore.h>
50
51	#include <iprt/thread.h>
52	#include <iprt/tcp.h>
53	#include <VBox/log.h>
54	#include <iprt/assert.h>
55	#include <iprt/asm.h>
56	#include <iprt/alloc.h>
57	#include <iprt/string.h>
58
59	#include <VBox/com/string.h>
60
61
62
63	/*
64	*
65	* V B o x D b g C o n s o l e O u t p u t
66	* V B o x D b g C o n s o l e O u t p u t
67	* V B o x D b g C o n s o l e O u t p u t
68	*
69	*
70	*/
71
72	/static/ const uint32_t VBoxDbgConsoleOutput::s_uMinFontSize = 6;
73
74
75	VBoxDbgConsoleOutput::VBoxDbgConsoleOutput(QWidget pParent/ = NULL/, IVirtualBox a_pVirtualBox /* = NULL */,
76	const char pszName/ = NULL*/)
77	#ifdef VBOXDBG_WITH_CONSOLE_OUTPUT_AS_QPLAINTEXT
78	: QPlainTextEdit(pParent)
79	#else
80	: QTextEdit(pParent)
81	#endif
82	, m_uCurLine(0)
83	, m_uCurPos(0)
84	, m_hGUIThread(RTThreadNativeSelf())
85	, m_pVirtualBox(a_pVirtualBox)
86	{
87	setReadOnly(true);
88	setUndoRedoEnabled(false);
89	setOverwriteMode(false);
90	setPlainText("");
91	setTextInteractionFlags(Qt::TextBrowserInteraction);
92	setTabChangesFocus(true);
93	#ifndef VBOXDBG_WITH_CONSOLE_OUTPUT_AS_QPLAINTEXT
94	setAutoFormatting(QTextEdit::AutoAll);
95	setAcceptRichText(false);
96	#endif
97	#if 0 /* @bugref{10604}: this doesn't really help with the performance issue. */
98	setWordWrapMode(QTextOption::NoWrap);
99	# ifndef VBOXDBG_WITH_CONSOLE_OUTPUT_AS_QPLAINTEXT
100	setLineWrapMode(QPlainTextEdit::NoWrap);
101	# endif
102	#endif
103
104	/*
105	* Create actions for color-scheme menu items.
106	*/
107	m_pGreenOnBlackAction = new QAction(tr("Green On Black"), this);
108	m_pGreenOnBlackAction->setCheckable(true);
109	m_pGreenOnBlackAction->setShortcut(QString("Ctrl+1"));
110	m_pGreenOnBlackAction->setData((int)kGreenOnBlack);
111	connect(m_pGreenOnBlackAction, SIGNAL(triggered()), this, SLOT(sltSelectColorScheme()));
112
113	m_pBlackOnWhiteAction = new QAction(tr("Black On White"), this);
114	m_pBlackOnWhiteAction->setCheckable(true);
115	m_pBlackOnWhiteAction->setShortcut(QString("Ctrl+2"));
116	m_pBlackOnWhiteAction->setData((int)kBlackOnWhite);
117	connect(m_pBlackOnWhiteAction, SIGNAL(triggered()), this, SLOT(sltSelectColorScheme()));
118
119	/* Create action group for grouping of exclusive color-scheme menu items. */
120	QActionGroup *pActionColorGroup = new QActionGroup(this);
121	pActionColorGroup->addAction(m_pGreenOnBlackAction);
122	pActionColorGroup->addAction(m_pBlackOnWhiteAction);
123	pActionColorGroup->setExclusive(true);
124
125	/*
126	* Create actions for font menu items.
127	*/
128	m_pDefaultFontAction = new QAction(tr("Default Fixed Font"), this);
129	m_pDefaultFontAction->setCheckable(true);
130	m_pDefaultFontAction->setData((int)kFontType_SystemDefault);
131	connect(m_pDefaultFontAction, SIGNAL(triggered()), this, SLOT(sltSelectFontType()));
132
133	m_pCourierFontAction = new QAction(tr("Courier"), this);
134	m_pCourierFontAction->setCheckable(true);
135	m_pCourierFontAction->setData((int)kFontType_Courier);
136	connect(m_pCourierFontAction, SIGNAL(triggered()), this, SLOT(sltSelectFontType()));
137
138	m_pMonospaceFontAction = new QAction(tr("Monospace"), this);
139	m_pMonospaceFontAction->setCheckable(true);
140	m_pMonospaceFontAction->setData((int)kFontType_Monospace);
141	connect(m_pMonospaceFontAction, SIGNAL(triggered()), this, SLOT(sltSelectFontType()));
142
143	/* Create action group for grouping of exclusive font menu items. */
144	QActionGroup *pActionFontGroup = new QActionGroup(this);
145	pActionFontGroup->addAction(m_pDefaultFontAction);
146	pActionFontGroup->addAction(m_pCourierFontAction);
147	pActionFontGroup->addAction(m_pMonospaceFontAction);
148	pActionFontGroup->setExclusive(true);
149
150	/*
151	* Create actions for font size menu.
152	*/
153	uint32_t const uDefaultFontSize = font().pointSize();
154	m_pActionFontSizeGroup = new QActionGroup(this);
155	for (uint32_t i = 0; i < RT_ELEMENTS(m_apFontSizeActions); i++)
156	{
157	char szTitle[32];
158	RTStrPrintf(szTitle, sizeof(szTitle), s_uMinFontSize + i != uDefaultFontSize ? "%upt" : "%upt (default)",
159	s_uMinFontSize + i);
160	m_apFontSizeActions[i] = new QAction(tr(szTitle), this);
161	m_apFontSizeActions[i]->setCheckable(true);
162	m_apFontSizeActions[i]->setData(i + s_uMinFontSize);
163	connect(m_apFontSizeActions[i], SIGNAL(triggered()), this, SLOT(sltSelectFontSize()));
164	m_pActionFontSizeGroup->addAction(m_apFontSizeActions[i]);
165	}
166
167	/*
168	* Set the defaults (which syncs with the menu item checked state).
169	*/
170	/* color scheme: */
171	setColorScheme(kGreenOnBlack, false /fSaveIt/);
172	com::Bstr bstrColor;
173	HRESULT hrc = m_pVirtualBox ? m_pVirtualBox->GetExtraData(com::Bstr("DbgConsole/ColorScheme").raw(), bstrColor.asOutParam()) : E_FAIL;
174	if (SUCCEEDED(hrc))
175	{
176	if (bstrColor.compareUtf8("blackonwhite", com::Bstr::CaseInsensitive) == 0)
177	setColorScheme(kBlackOnWhite, false /fSaveIt/);
178	}
179
180	/* font: */
181	setFontType(kFontType_SystemDefault, false /fSaveIt/);
182	com::Bstr bstrFont;
183	hrc = m_pVirtualBox ? m_pVirtualBox->GetExtraData(com::Bstr("DbgConsole/Font").raw(), bstrFont.asOutParam()) : E_FAIL;
184	if (SUCCEEDED(hrc))
185	{
186	if (bstrFont.compareUtf8("monospace", com::Bstr::CaseInsensitive) == 0)
187	setFontType(kFontType_Monospace, false /fSaveIt/);
188	else if (bstrFont.compareUtf8("courier", com::Bstr::CaseInsensitive) == 0)
189	setFontType(kFontType_Courier, false /fSaveIt/);
190	}
191
192	/* font size: */
193	com::Bstr bstrFontSize;
194	hrc = m_pVirtualBox ? m_pVirtualBox->GetExtraData(com::Bstr("DbgConsole/FontSize").raw(), bstrFontSize.asOutParam()) : E_FAIL;
195	if (SUCCEEDED(hrc))
196	{
197	com::Utf8Str strFontSize(bstrFontSize);
198	uint32_t uFontSizePrf = strFontSize.strip().toUInt32();
199	if ( uFontSizePrf - s_uMinFontSize < (uint32_t)RT_ELEMENTS(m_apFontSizeActions)
200	&& uFontSizePrf != uDefaultFontSize)
201	setFontSize(uFontSizePrf, false /fSaveIt/);
202	}
203
204	NOREF(pszName);
205	}
206
207
208	VBoxDbgConsoleOutput::~VBoxDbgConsoleOutput()
209	{
210	Assert(m_hGUIThread == RTThreadNativeSelf());
211	if (m_pVirtualBox)
212	{
213	m_pVirtualBox->Release();
214	m_pVirtualBox = NULL;
215	}
216	}
217
218
219	void
220	VBoxDbgConsoleOutput::contextMenuEvent(QContextMenuEvent *pEvent)
221	{
222	/*
223	* Create the context menu and add the menu items.
224	*/
225	QMenu *pMenu = createStandardContextMenu();
226	pMenu->addSeparator();
227
228	QMenu *pColorMenu = pMenu->addMenu(tr("Co&lor Scheme"));
229	pColorMenu->addAction(m_pGreenOnBlackAction);
230	pColorMenu->addAction(m_pBlackOnWhiteAction);
231
232	QMenu *pFontMenu = pMenu->addMenu(tr("&Font Family"));
233	pFontMenu->addAction(m_pDefaultFontAction);
234	pFontMenu->addAction(m_pCourierFontAction);
235	pFontMenu->addAction(m_pMonospaceFontAction);
236
237	QMenu *pFontSize = pMenu->addMenu(tr("Font &Size"));
238	for (unsigned i = 0; i < RT_ELEMENTS(m_apFontSizeActions); i++)
239	pFontSize->addAction(m_apFontSizeActions[i]);
240
241	pMenu->exec(pEvent->globalPos());
242	delete pMenu;
243	}
244
245
246	void
247	VBoxDbgConsoleOutput::setColorScheme(VBoxDbgConsoleColor enmScheme, bool fSaveIt)
248	{
249	const char *pszSetting;
250	QAction *pAction;
251	switch (enmScheme)
252	{
253	case kGreenOnBlack:
254	setStyleSheet("QTextEdit { background-color: black; color: rgb(0, 224, 0) }");
255	pszSetting = "GreenOnBlack";
256	pAction = m_pGreenOnBlackAction;
257	break;
258	case kBlackOnWhite:
259	setStyleSheet("QTextEdit { background-color: white; color: black }");
260	pszSetting = "BlackOnWhite";
261	pAction = m_pBlackOnWhiteAction;
262	break;
263	default:
264	AssertFailedReturnVoid();
265	}
266
267	m_enmColorScheme = kGreenOnBlack;
268
269	/* When going through a slot, the action is typically checked already by Qt. */
270	if (!pAction->isChecked())
271	pAction->setChecked(true);
272
273	/* Make this setting persistent. */
274	if (m_pVirtualBox && fSaveIt)
275	m_pVirtualBox->SetExtraData(com::Bstr("DbgConsole/ColorScheme").raw(), com::Bstr(pszSetting).raw());
276	}
277
278
279	void
280	VBoxDbgConsoleOutput::setFontType(VBoxDbgConsoleFontType enmFontType, bool fSaveIt)
281	{
282	QFont Font = font();
283	QAction *pAction;
284	const char *pszSetting;
285	switch (enmFontType)
286	{
287	case kFontType_SystemDefault:
288	Font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
289	pszSetting = "Default";
290	pAction = m_pDefaultFontAction;
291	break;
292
293	case kFontType_Courier:
294	{
295	#ifdef Q_WS_MAC
296	Font = QFont("Monaco", Font.pointSize(), QFont::Normal, FALSE);
297	Font.setStyleStrategy(QFont::NoAntialias);
298	#else
299	Font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
300	Font.setStyleHint(QFont::TypeWriter);
301	Font.setStyleStrategy(QFont::PreferAntialias);
302	QStringList Families;
303	# ifdef Q_WS_MAC
304	Families << "Monaco";
305	# endif
306	/Families << "Courier New [Monotype]"; - this causes peformance trouble (@bugref{10604}) /
307	Families << "Courier New";
308	/Families << "Courier [Monotype]"; - this causes peformance trouble (@bugref{10604}) /
309	Families << "Courier";
310	Font.setFamilies(Families);
311	#endif
312	pszSetting = "Courier";
313	pAction = m_pCourierFontAction;
314	break;
315	}
316
317	case kFontType_Monospace:
318	Font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
319	Font.setStyleHint(QFont::Monospace);
320	Font.setStyleStrategy(QFont::PreferAntialias);
321	Font.setFamily("Monospace [Monotype]");
322	pszSetting = "Monospace";
323	pAction = m_pMonospaceFontAction;
324	break;
325
326	default:
327	AssertFailedReturnVoid();
328	}
329
330	setFont(Font);
331
332	/* When going through a slot, the action is typically checked already by Qt. */
333	if (!pAction->isChecked())
334	pAction->setChecked(true);
335
336	/* Make this setting persistent. */
337	if (m_pVirtualBox && fSaveIt)
338	m_pVirtualBox->SetExtraData(com::Bstr("DbgConsole/Font").raw(), com::Bstr(pszSetting).raw());
339	}
340
341
342	void
343	VBoxDbgConsoleOutput::setFontSize(uint32_t uFontSize, bool fSaveIt)
344	{
345	uint32_t idxAction = uFontSize - s_uMinFontSize;
346	if (idxAction < (uint32_t)RT_ELEMENTS(m_apFontSizeActions))
347	{
348	if (!m_apFontSizeActions[idxAction]->isChecked())
349	m_apFontSizeActions[idxAction]->setChecked(true);
350
351	QFont Font = font();
352	Font.setPointSize(uFontSize);
353	setFont(Font);
354
355	/* Make this setting persistent if requested. */
356	if (fSaveIt && m_pVirtualBox)
357	m_pVirtualBox->SetExtraData(com::Bstr("DbgConsole/FontSize").raw(), com::BstrFmt("%u", uFontSize).raw());
358	}
359	}
360
361
362	void
363	VBoxDbgConsoleOutput::sltSelectColorScheme()
364	{
365	QAction pAction = qobject_cast<QAction >(sender());
366	if (pAction)
367	setColorScheme((VBoxDbgConsoleColor)pAction->data().toInt(), true /fSaveIt/);
368	}
369
370
371	void
372	VBoxDbgConsoleOutput::sltSelectFontType()
373	{
374	QAction pAction = qobject_cast<QAction >(sender());
375	if (pAction)
376	setFontType((VBoxDbgConsoleFontType)pAction->data().toInt(), true /fSaveIt/);
377	}
378
379
380	void
381	VBoxDbgConsoleOutput::sltSelectFontSize()
382	{
383	QAction pAction = qobject_cast<QAction >(sender());
384	if (pAction)
385	setFontSize(pAction->data().toUInt(), true /fSaveIt/);
386	}
387
388
389	void
390	VBoxDbgConsoleOutput::appendText(const QString &rStr, bool fClearSelection)
391	{
392	Assert(m_hGUIThread == RTThreadNativeSelf());
393
394	if (rStr.isEmpty() \|\| rStr.isNull() \|\| !rStr.length())
395	return;
396
397	/*
398	* Insert all in one go and make sure it's visible.
399	*
400	* We need to move the cursor and unselect any selected text before
401	* inserting anything, otherwise, text will disappear.
402	*/
403	QTextCursor Cursor = textCursor();
404	if (!fClearSelection && Cursor.hasSelection())
405	{
406	QTextCursor SavedCursor = Cursor;
407	Cursor.clearSelection();
408	Cursor.movePosition(QTextCursor::End);
409
410	Cursor.insertText(rStr);
411
412	setTextCursor(SavedCursor);
413	}
414	else
415	{
416	if (Cursor.hasSelection())
417	Cursor.clearSelection();
418	if (!Cursor.atEnd())
419	Cursor.movePosition(QTextCursor::End);
420
421	Cursor.insertText(rStr);
422
423	setTextCursor(Cursor);
424	ensureCursorVisible();
425	}
426	}
427
428
429
430
431	/*
432	*
433	* V B o x D b g C o n s o l e I n p u t
434	* V B o x D b g C o n s o l e I n p u t
435	* V B o x D b g C o n s o l e I n p u t
436	*
437	*
438	*/
439
440
441	VBoxDbgConsoleInput::VBoxDbgConsoleInput(QWidget pParent/ = NULL/, const char pszName/* = NULL*/)
442	: QComboBox(pParent), m_hGUIThread(RTThreadNativeSelf())
443	{
444	addItem(""); /* invariant: empty command line is the last item */
445
446	setEditable(true);
447	setInsertPolicy(NoInsert);
448	setCompleter(0);
449	setMaxCount(50);
450	const QLineEdit *pEdit = lineEdit();
451	if (pEdit)
452	connect(pEdit, SIGNAL(returnPressed()), this, SLOT(returnPressed()));
453
454	NOREF(pszName);
455	}
456
457
458	VBoxDbgConsoleInput::~VBoxDbgConsoleInput()
459	{
460	Assert(m_hGUIThread == RTThreadNativeSelf());
461	}
462
463
464	void
465	VBoxDbgConsoleInput::setLineEdit(QLineEdit *pEdit)
466	{
467	Assert(m_hGUIThread == RTThreadNativeSelf());
468	QComboBox::setLineEdit(pEdit);
469	if (lineEdit() == pEdit && pEdit)
470	connect(pEdit, SIGNAL(returnPressed()), this, SLOT(returnPressed()));
471	}
472
473
474	void
475	VBoxDbgConsoleInput::returnPressed()
476	{
477	Assert(m_hGUIThread == RTThreadNativeSelf());
478
479	QString strCommand = currentText();
480	/** @todo trim whitespace? */
481	if (strCommand.isEmpty())
482	return;
483
484	/* deal with the current command. */
485	emit commandSubmitted(strCommand);
486
487
488	/*
489	* Add current command to history.
490	*/
491	bool fNeedsAppending = true;
492
493	/* invariant: empty line at the end */
494	int iLastItem = count() - 1;
495	Assert(itemText(iLastItem).isEmpty());
496
497	/* have previous command? check duplicate. */
498	if (iLastItem > 0)
499	{
500	const QString strPrevCommand(itemText(iLastItem - 1));
501	if (strCommand == strPrevCommand)
502	fNeedsAppending = false;
503	}
504
505	if (fNeedsAppending)
506	{
507	/* history full? drop the oldest command. */
508	if (count() == maxCount())
509	{
510	removeItem(0);
511	--iLastItem;
512	}
513
514	/* insert before the empty line. */
515	insertItem(iLastItem, strCommand);
516	}
517
518	/* invariant: empty line at the end */
519	int iNewLastItem = count() - 1;
520	Assert(itemText(iNewLastItem).isEmpty());
521
522	/* select empty line to present "new" command line to the user */
523	setCurrentIndex(iNewLastItem);
524	}
525
526
527
528
529
530
531	/*
532	*
533	* V B o x D b g C o n s o l e
534	* V B o x D b g C o n s o l e
535	* V B o x D b g C o n s o l e
536	*
537	*
538	*/
539
540
541	VBoxDbgConsole::VBoxDbgConsole(VBoxDbgGui a_pDbgGui, QWidget a_pParent/* = NULL/, IVirtualBox a_pVirtualBox/* = NULL */)
542	: VBoxDbgBaseWindow(a_pDbgGui, a_pParent, "Console"), m_pOutput(NULL), m_pInput(NULL), m_fInputRestoreFocus(false),
543	m_pszInputBuf(NULL), m_cbInputBuf(0), m_cbInputBufAlloc(0),
544	m_pszOutputBuf(NULL), m_cbOutputBuf(0), m_cbOutputBufAlloc(0),
545	m_pTimer(NULL), m_fUpdatePending(false), m_Thread(NIL_RTTHREAD), m_EventSem(NIL_RTSEMEVENT),
546	m_fTerminate(false), m_fThreadTerminated(false)
547	{
548	/* Delete dialog on close: */
549	setAttribute(Qt::WA_DeleteOnClose);
550
551	/*
552	* Create the output text box.
553	*/
554	m_pOutput = new VBoxDbgConsoleOutput(this, a_pVirtualBox);
555
556	/* try figure a suitable size and tell the parent class. */
557	QLabel *pLabel = new QLabel("8888888888888888888888888888888888888888888888888888888888888888888888888888888", this);
558	pLabel->setFont(m_pOutput->font());
559	QSize Size = pLabel->sizeHint();
560	delete pLabel;
561	QSize SizeScrollBar(0,0);
562	QScrollBar *pScrollBar = m_pOutput->verticalScrollBar();
563	if (pScrollBar)
564	SizeScrollBar = pScrollBar->sizeHint();
565	vSetMinWidthHint(Size.width() + SizeScrollBar.width() + 1);
566
567	/*
568	* Create the input combo box (with a label).
569	*/
570	QHBoxLayout *pLayout = new QHBoxLayout();
571	//pLayout->setSizeConstraint(QLayout::SetMaximumSize);
572
573	pLabel = new QLabel(" Command ");
574	pLayout->addWidget(pLabel);
575	pLabel->setMaximumSize(pLabel->sizeHint());
576	pLabel->setAlignment(Qt::AlignCenter);
577
578	m_pInput = new VBoxDbgConsoleInput(NULL);
579	pLayout->addWidget(m_pInput);
580	m_pInput->setDuplicatesEnabled(false);
581	connect(m_pInput, SIGNAL(commandSubmitted(const QString &)), this, SLOT(commandSubmitted(const QString &)));
582
583	# if 0//def Q_WS_MAC
584	pLabel = new QLabel(" ");
585	pLayout->addWidget(pLabel);
586	pLabel->setMaximumSize(20, m_pInput->sizeHint().height() + 6);
587	pLabel->setMinimumSize(20, m_pInput->sizeHint().height() + 6);
588	# endif
589
590	QWidget *pHBox = new QWidget(this);
591	pHBox->setLayout(pLayout);
592
593	m_pInput->setEnabled(false); /* (we'll get a ready notification) */
594
595
596	/*
597	* Vertical layout box on the whole widget.
598	*/
599	QVBoxLayout *pVLayout = new QVBoxLayout();
600	pVLayout->setContentsMargins(0, 0, 0, 0);
601	pVLayout->setSpacing(5);
602	pVLayout->addWidget(m_pOutput);
603	pVLayout->addWidget(pHBox);
604	setLayout(pVLayout);
605
606	/*
607	* The tab order is from input to output, not the other way around as it is by default.
608	*/
609	setTabOrder(m_pInput, m_pOutput);
610	m_fInputRestoreFocus = true; /* hack */
611
612	/*
613	* Setup the timer.
614	*/
615	m_pTimer = new QTimer(this);
616	connect(m_pTimer, SIGNAL(timeout()), SLOT(updateOutput()));
617
618	/*
619	* Init the backend structure.
620	*/
621	m_Back.Core.pfnInput = backInput;
622	m_Back.Core.pfnRead = backRead;
623	m_Back.Core.pfnWrite = backWrite;
624	m_Back.Core.pfnSetReady = backSetReady;
625	m_Back.pSelf = this;
626
627	/*
628	* Create the critical section, the event semaphore and the debug console thread.
629	*/
630	int rc = RTCritSectInit(&m_Lock);
631	AssertRC(rc);
632
633	rc = RTSemEventCreate(&m_EventSem);
634	AssertRC(rc);
635
636	rc = RTThreadCreate(&m_Thread, backThread, this, 0, RTTHREADTYPE_DEBUGGER, RTTHREADFLAGS_WAITABLE, "VBoxDbgC");
637	AssertRC(rc);
638	if (RT_FAILURE(rc))
639	m_Thread = NIL_RTTHREAD;
640
641	/*
642	* Shortcuts.
643	*/
644	m_pFocusToInput = new QAction("", this);
645	m_pFocusToInput->setShortcut(QKeySequence("Ctrl+L"));
646	addAction(m_pFocusToInput);
647	connect(m_pFocusToInput, SIGNAL(triggered(bool)), this, SLOT(actFocusToInput()));
648
649	m_pFocusToOutput = new QAction("", this);
650	m_pFocusToOutput->setShortcut(QKeySequence("Ctrl+O"));
651	addAction(m_pFocusToOutput);
652	connect(m_pFocusToOutput, SIGNAL(triggered(bool)), this, SLOT(actFocusToOutput()));
653
654	addAction(m_pOutput->m_pBlackOnWhiteAction);
655	addAction(m_pOutput->m_pGreenOnBlackAction);
656	addAction(m_pOutput->m_pCourierFontAction);
657	addAction(m_pOutput->m_pMonospaceFontAction);
658	}
659
660
661	VBoxDbgConsole::~VBoxDbgConsole()
662	{
663	Assert(isGUIThread());
664
665	/*
666	* Wait for the thread.
667	*/
668	ASMAtomicWriteBool(&m_fTerminate, true);
669	RTSemEventSignal(m_EventSem);
670	if (m_Thread != NIL_RTTHREAD)
671	{
672	int rc = RTThreadWait(m_Thread, 15000, NULL);
673	AssertRC(rc);
674	m_Thread = NIL_RTTHREAD;
675	}
676
677	/*
678	* Free resources.
679	*/
680	delete m_pTimer;
681	m_pTimer = NULL;
682	RTCritSectDelete(&m_Lock);
683	RTSemEventDestroy(m_EventSem);
684	m_EventSem = 0;
685	m_pOutput = NULL;
686	m_pInput = NULL;
687	if (m_pszInputBuf)
688	{
689	RTMemFree(m_pszInputBuf);
690	m_pszInputBuf = NULL;
691	}
692	m_cbInputBuf = 0;
693	m_cbInputBufAlloc = 0;
694
695	delete m_pFocusToInput;
696	m_pFocusToInput = NULL;
697	delete m_pFocusToOutput;
698	m_pFocusToOutput = NULL;
699
700	if (m_pszOutputBuf)
701	{
702	RTMemFree(m_pszOutputBuf);
703	m_pszOutputBuf = NULL;
704	}
705	}
706
707
708	void
709	VBoxDbgConsole::commandSubmitted(const QString &rCommand)
710	{
711	Assert(isGUIThread());
712
713	lock();
714	RTSemEventSignal(m_EventSem);
715
716	QByteArray Utf8Array = rCommand.toUtf8();
717	const char *psz = Utf8Array.constData();
718	size_t cb = strlen(psz);
719
720	/*
721	* Make sure we've got space for the input.
722	*/
723	if (cb + m_cbInputBuf >= m_cbInputBufAlloc)
724	{
725	size_t cbNew = RT_ALIGN_Z(cb + m_cbInputBufAlloc + 1, 128);
726	void *pv = RTMemRealloc(m_pszInputBuf, cbNew);
727	if (!pv)
728	{
729	unlock();
730	return;
731	}
732	m_pszInputBuf = (char *)pv;
733	m_cbInputBufAlloc = cbNew;
734	}
735
736	/*
737	* Add the input and output it.
738	*/
739	memcpy(m_pszInputBuf + m_cbInputBuf, psz, cb);
740	m_cbInputBuf += cb;
741	m_pszInputBuf[m_cbInputBuf++] = '\n';
742
743	m_pOutput->appendText(rCommand + "\n", true /fClearSelection/);
744	m_pOutput->ensureCursorVisible();
745
746	m_fInputRestoreFocus = m_pInput->hasFocus(); /* dirty focus hack */
747	m_pInput->setEnabled(false);
748
749	Log(("VBoxDbgConsole::commandSubmitted: %s (input-enabled=%RTbool)\n", psz, m_pInput->isEnabled()));
750	unlock();
751	}
752
753
754	void
755	VBoxDbgConsole::updateOutput()
756	{
757	Assert(isGUIThread());
758
759	lock();
760	m_fUpdatePending = false;
761	if (m_cbOutputBuf)
762	{
763	m_pOutput->appendText(QString::fromUtf8((const char )m_pszOutputBuf, (int)m_cbOutputBuf), false /fClearSelection*/);
764	m_cbOutputBuf = 0;
765	}
766	unlock();
767	}
768
769
770	/**
771	* Lock the object.
772	*/
773	void
774	VBoxDbgConsole::lock()
775	{
776	RTCritSectEnter(&m_Lock);
777	}
778
779
780	/**
781	* Unlocks the object.
782	*/
783	void
784	VBoxDbgConsole::unlock()
785	{
786	RTCritSectLeave(&m_Lock);
787	}
788
789
790
791	/**
792	* Checks if there is input.
793	*
794	* @returns true if there is input ready.
795	* @returns false if there not input ready.
796	* @param pBack Pointer to VBoxDbgConsole::m_Back.
797	* @param cMillies Number of milliseconds to wait on input data.
798	*/
799	/static/ DECLCALLBACK(bool)
800	VBoxDbgConsole::backInput(PCDBGCIO pBack, uint32_t cMillies)
801	{
802	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCIO(pBack);
803	pThis->lock();
804
805	bool fRc = true;
806	if (!pThis->m_cbInputBuf)
807	{
808	/*
809	* Wait outside the lock for the requested time, then check again.
810	*/
811	pThis->unlock();
812	RTSemEventWait(pThis->m_EventSem, cMillies);
813	pThis->lock();
814	fRc = pThis->m_cbInputBuf
815	\|\| ASMAtomicUoReadBool(&pThis->m_fTerminate);
816	}
817
818	pThis->unlock();
819	return fRc;
820	}
821
822
823	/**
824	* Read input.
825	*
826	* @returns VBox status code.
827	* @param pBack Pointer to VBoxDbgConsole::m_Back.
828	* @param pvBuf Where to put the bytes we read.
829	* @param cbBuf Maximum nymber of bytes to read.
830	* @param pcbRead Where to store the number of bytes actually read.
831	* If NULL the entire buffer must be filled for a
832	* successful return.
833	*/
834	/static/ DECLCALLBACK(int)
835	VBoxDbgConsole::backRead(PCDBGCIO pBack, void pvBuf, size_t cbBuf, size_t pcbRead)
836	{
837	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCIO(pBack);
838	Assert(pcbRead); /** @todo implement this bit */
839	if (pcbRead)
840	*pcbRead = 0;
841
842	pThis->lock();
843	int rc = VINF_SUCCESS;
844	if (!ASMAtomicUoReadBool(&pThis->m_fTerminate))
845	{
846	if (pThis->m_cbInputBuf)
847	{
848	const char *psz = pThis->m_pszInputBuf;
849	size_t cbRead = RT_MIN(pThis->m_cbInputBuf, cbBuf);
850	memcpy(pvBuf, psz, cbRead);
851	psz += cbRead;
852	pThis->m_cbInputBuf -= cbRead;
853	if (*psz)
854	memmove(pThis->m_pszInputBuf, psz, pThis->m_cbInputBuf);
855	pThis->m_pszInputBuf[pThis->m_cbInputBuf] = '\0';
856	*pcbRead = cbRead;
857	}
858	}
859	else
860	rc = VERR_GENERAL_FAILURE;
861	pThis->unlock();
862	return rc;
863	}
864
865
866	/**
867	* Write (output).
868	*
869	* @returns VBox status code.
870	* @param pBack Pointer to VBoxDbgConsole::m_Back.
871	* @param pvBuf What to write.
872	* @param cbBuf Number of bytes to write.
873	* @param pcbWritten Where to store the number of bytes actually written.
874	* If NULL the entire buffer must be successfully written.
875	*/
876	/static/ DECLCALLBACK(int)
877	VBoxDbgConsole::backWrite(PCDBGCIO pBack, const void pvBuf, size_t cbBuf, size_t pcbWritten)
878	{
879	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCIO(pBack);
880	int rc = VINF_SUCCESS;
881
882	pThis->lock();
883	if (cbBuf + pThis->m_cbOutputBuf >= pThis->m_cbOutputBufAlloc)
884	{
885	size_t cbNew = RT_ALIGN_Z(cbBuf + pThis->m_cbOutputBufAlloc + 1, 1024);
886	void *pv = RTMemRealloc(pThis->m_pszOutputBuf, cbNew);
887	if (!pv)
888	{
889	pThis->unlock();
890	if (pcbWritten)
891	*pcbWritten = 0;
892	return VERR_NO_MEMORY;
893	}
894	pThis->m_pszOutputBuf = (char *)pv;
895	pThis->m_cbOutputBufAlloc = cbNew;
896	}
897
898	/*
899	* Add the output.
900	*/
901	memcpy(pThis->m_pszOutputBuf + pThis->m_cbOutputBuf, pvBuf, cbBuf);
902	pThis->m_cbOutputBuf += cbBuf;
903	pThis->m_pszOutputBuf[pThis->m_cbOutputBuf] = '\0';
904	if (pcbWritten)
905	*pcbWritten = cbBuf;
906
907	if (ASMAtomicUoReadBool(&pThis->m_fTerminate))
908	rc = VERR_GENERAL_FAILURE;
909
910	/*
911	* Tell the GUI thread to draw this text.
912	* We cannot do it from here without frequent crashes.
913	*/
914	if (!pThis->m_fUpdatePending)
915	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(VBoxDbgConsoleEvent::kUpdate));
916
917	pThis->unlock();
918
919	return rc;
920	}
921
922
923	/static/ DECLCALLBACK(void)
924	VBoxDbgConsole::backSetReady(PCDBGCIO pBack, bool fReady)
925	{
926	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCIO(pBack);
927	if (fReady)
928	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(VBoxDbgConsoleEvent::kInputEnable));
929	}
930
931
932	/static/ DECLCALLBACK(int)
933	VBoxDbgConsole::backThread(RTTHREAD Thread, void *pvUser)
934	{
935	VBoxDbgConsole pThis = (VBoxDbgConsole )pvUser;
936	LogFlow(("backThread: Thread=%p pvUser=%p\n", (void *)Thread, pvUser));
937
938	NOREF(Thread);
939
940	/*
941	* Create and execute the console.
942	*/
943	int rc = pThis->dbgcCreate(&pThis->m_Back.Core, 0);
944
945	ASMAtomicUoWriteBool(&pThis->m_fThreadTerminated, true);
946	if (!ASMAtomicUoReadBool(&pThis->m_fTerminate))
947	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(rc == VINF_SUCCESS
948	? VBoxDbgConsoleEvent::kTerminatedUser
949	: VBoxDbgConsoleEvent::kTerminatedOther));
950	LogFlow(("backThread: returns %Rrc (m_fTerminate=%RTbool)\n", rc, ASMAtomicUoReadBool(&pThis->m_fTerminate)));
951	return rc;
952	}
953
954
955	bool
956	VBoxDbgConsole::event(QEvent *pGenEvent)
957	{
958	Assert(isGUIThread());
959	if (pGenEvent->type() == (QEvent::Type)VBoxDbgConsoleEvent::kEventNumber)
960	{
961	VBoxDbgConsoleEvent pEvent = (VBoxDbgConsoleEvent )pGenEvent;
962
963	switch (pEvent->command())
964	{
965	/* make update pending. */
966	case VBoxDbgConsoleEvent::kUpdate:
967	lock();
968	if (!m_fUpdatePending)
969	{
970	m_fUpdatePending = true;
971	m_pTimer->setSingleShot(true);
972	m_pTimer->start(10);
973	}
974	unlock();
975	break;
976
977	/* Re-enable the input field and restore focus. */
978	case VBoxDbgConsoleEvent::kInputEnable:
979	Log(("VBoxDbgConsole: kInputEnable (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
980	m_pInput->setEnabled(true);
981	if ( m_fInputRestoreFocus
982	&& !m_pInput->hasFocus())
983	m_pInput->setFocus(); /* this is a hack. */
984	m_fInputRestoreFocus = false;
985	break;
986
987	/* The thread terminated by user command (exit, quit, bye). */
988	case VBoxDbgConsoleEvent::kTerminatedUser:
989	Log(("VBoxDbgConsole: kTerminatedUser (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
990	m_pInput->setEnabled(false);
991	close();
992	break;
993
994	/* The thread terminated for some unknown reason., disable input */
995	case VBoxDbgConsoleEvent::kTerminatedOther:
996	Log(("VBoxDbgConsole: kTerminatedOther (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
997	m_pInput->setEnabled(false);
998	break;
999
1000	/* paranoia */
1001	default:
1002	AssertMsgFailed(("command=%d\n", pEvent->command()));
1003	break;
1004	}
1005	return true;
1006	}
1007
1008	return VBoxDbgBaseWindow::event(pGenEvent);
1009	}
1010
1011
1012	void
1013	VBoxDbgConsole::keyReleaseEvent(QKeyEvent *pEvent)
1014	{
1015	//RTAssertMsg2("VBoxDbgConsole::keyReleaseEvent: %d (%#x); mod=%#x\n", pEvent->key(), pEvent->key(), pEvent->modifiers());
1016	switch (pEvent->key())
1017	{
1018	case Qt::Key_F5:
1019	if (pEvent->modifiers() == 0)
1020	commandSubmitted("g");
1021	break;
1022
1023	case Qt::Key_F8:
1024	if (pEvent->modifiers() == 0)
1025	commandSubmitted("t");
1026	break;
1027
1028	case Qt::Key_F10:
1029	if (pEvent->modifiers() == 0)
1030	commandSubmitted("p");
1031	break;
1032
1033	case Qt::Key_F11:
1034	if (pEvent->modifiers() == 0)
1035	commandSubmitted("t");
1036	else if (pEvent->modifiers() == Qt::ShiftModifier)
1037	commandSubmitted("gu");
1038	break;
1039
1040	case Qt::Key_Cancel: /* == break */
1041	if (pEvent->modifiers() == Qt::ControlModifier)
1042	commandSubmitted("stop");
1043	break;
1044	case Qt::Key_Delete:
1045	if (pEvent->modifiers() == Qt::AltModifier)
1046	commandSubmitted("stop");
1047	break;
1048	}
1049	}
1050
1051
1052	void
1053	VBoxDbgConsole::closeEvent(QCloseEvent *a_pCloseEvt)
1054	{
1055	if (m_fThreadTerminated)
1056	a_pCloseEvt->accept();
1057	}
1058
1059
1060	void
1061	VBoxDbgConsole::actFocusToInput()
1062	{
1063	if (!m_pInput->hasFocus())
1064	m_pInput->setFocus(Qt::ShortcutFocusReason);
1065	}
1066
1067
1068	void
1069	VBoxDbgConsole::actFocusToOutput()
1070	{
1071	if (!m_pOutput->hasFocus())
1072	m_pOutput->setFocus(Qt::ShortcutFocusReason);
1073	}
1074

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source: vbox/trunk/src/VBox/Debugger/VBoxDbgConsole.cpp@ 104933

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