VBoxDbgConsole.cpp@ 12880

Last change on this file since 12880 was 12880, checked in by vboxsync, 17 years ago
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1	/* $Id: VBoxDbgConsole.cpp 12880 2008-10-01 21:45:19Z vboxsync $ */
2	/** @file
3	* VBox Debugger GUI - Console.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.215389.xyz. 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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18	* Clara, CA 95054 USA or visit http://www.sun.com if you need
19	* additional information or have any questions.
20	*/
21
22
23	/*******************************************************************************
24	* Header Files *
25	*******************************************************************************/
26	#define LOG_GROUP LOG_GROUP_DBGG
27	#include "VBoxDbgConsole.h"
28
29	#ifdef VBOXDBG_USE_QT4
30	# include <QLabel>
31	# include <QApplication>
32	# include <QFont>
33	# include <QLineEdit>
34	# include <QHBoxLayout>
35	# include <QAction>
36	#else
37	# include <qlabel.h>
38	# include <qapplication.h>
39	# include <qfont.h>
40	# include <qtextview.h>
41	# include <qlineedit.h>
42	#endif
43
44	#include <VBox/dbg.h>
45	#include <VBox/cfgm.h>
46	#include <VBox/err.h>
47
48	#include <iprt/thread.h>
49	#include <iprt/tcp.h>
50	#include <VBox/log.h>
51	#include <iprt/assert.h>
52	#include <iprt/asm.h>
53	#include <iprt/alloc.h>
54	#include <iprt/string.h>
55
56
57
58
59	/*
60	*
61	* V B o x D b g C o n s o l e O u t p u t
62	* V B o x D b g C o n s o l e O u t p u t
63	* V B o x D b g C o n s o l e O u t p u t
64	*
65	*
66	*/
67
68
69	VBoxDbgConsoleOutput::VBoxDbgConsoleOutput(QWidget pParent/ = NULL/, const char pszName/* = NULL*/)
70	#ifdef VBOXDBG_USE_QT4
71	: QTextEdit(pParent),
72	#else
73	: QTextEdit(pParent, pszName),
74	#endif
75	m_uCurLine(0), m_uCurPos(0), m_hGUIThread(RTThreadNativeSelf())
76	{
77	setReadOnly(true);
78	setUndoRedoEnabled(false);
79	#ifdef VBOXDBG_USE_QT4
80	setOverwriteMode(false);
81	setPlainText("");
82	setTextInteractionFlags(Qt::TextBrowserInteraction);
83	setAutoFormatting(QTextEdit::AutoAll);
84	setTabChangesFocus(true);
85	setAcceptRichText(false);
86	#else
87	setOverwriteMode(true);
88	setTextFormat(PlainText); /* minimal HTML: setTextFormat(LogText); */
89	#endif
90
91	#ifdef Q_WS_MAC
92	QFont Font("Monaco", 10, QFont::Normal, FALSE);
93	Font.setStyleStrategy(QFont::NoAntialias);
94	#else
95	QFont Font = font();
96	Font.setStyleHint(QFont::TypeWriter);
97	Font.setFamily("Courier [Monotype]");
98	#endif
99	setFont(Font);
100
101	/* green on black */
102	#ifdef VBOXDBG_USE_QT4
103	QPalette Pal(palette());
104	Pal.setColor(QPalette::All, QPalette::Base, QColor(Qt::black));
105	setPalette(Pal);
106	setTextColor(QColor(qRgb(0, 0xe0, 0)));
107	#else
108	setPaper(QBrush(Qt::black));
109	setColor(QColor(qRgb(0, 0xe0, 0)));
110	#endif
111	NOREF(pszName);
112	}
113
114
115	VBoxDbgConsoleOutput::~VBoxDbgConsoleOutput()
116	{
117	Assert(m_hGUIThread == RTThreadNativeSelf());
118	}
119
120
121	void
122	VBoxDbgConsoleOutput::appendText(const QString &rStr)
123	{
124	Assert(m_hGUIThread == RTThreadNativeSelf());
125
126	if (rStr.isEmpty() \|\| rStr.isNull() \|\| !rStr.length())
127	return;
128
129	#ifdef VBOXDBG_USE_QT4
130	/*
131	* Insert all in one go and make sure it's visible.
132	*/
133	QTextCursor Cursor = textCursor();
134	if (!Cursor.atEnd())
135	moveCursor(QTextCursor::End); /* make sure we append the text */
136	Cursor.insertText(rStr);
137	ensureCursorVisible();
138	#else
139	/*
140	* Insert line by line.
141	*/
142	unsigned cch = rStr.length();
143	unsigned iPos = 0;
144	while (iPos < cch)
145	{
146	int iPosNL = rStr.find('\n', iPos);
147	int iPosEnd = iPosNL >= 0 ? iPosNL : cch;
148	if ((unsigned)iPosNL != iPos)
149	{
150	QString Str = rStr.mid(iPos, iPosEnd - iPos);
151	if (m_uCurPos == 0)
152	append(Str);
153	else
154	insertAt(Str, m_uCurLine, m_uCurPos);
155	if (iPosNL >= 0)
156	{
157	m_uCurLine++;
158	m_uCurPos = 0;
159	}
160	else
161	m_uCurPos += Str.length();
162	}
163	else
164	{
165	m_uCurLine++;
166	m_uCurPos = 0;
167	}
168
169	/* next */
170	iPos = iPosEnd + 1;
171	}
172	#endif
173	}
174
175
176
177
178	/*
179	*
180	* V B o x D b g C o n s o l e I n p u t
181	* V B o x D b g C o n s o l e I n p u t
182	* V B o x D b g C o n s o l e I n p u t
183	*
184	*
185	*/
186
187
188	VBoxDbgConsoleInput::VBoxDbgConsoleInput(QWidget pParent/ = NULL/, const char pszName/* = NULL*/)
189	#ifdef VBOXDBG_USE_QT4
190	: QComboBox(pParent),
191	#else
192	: QComboBox(true, pParent, pszName),
193	#endif
194	m_iBlankItem(0), m_hGUIThread(RTThreadNativeSelf())
195	{
196	#ifdef VBOXDBG_USE_QT4
197	insertItem(m_iBlankItem, "");
198	setEditable(true);
199	setInsertPolicy(NoInsert);
200	setAutoCompletion(false);
201	#else
202	insertItem("", m_iBlankItem);
203	setInsertionPolicy(NoInsertion);
204	#endif
205	setMaxCount(50);
206	const QLineEdit *pEdit = lineEdit();
207	if (pEdit)
208	connect(pEdit, SIGNAL(returnPressed()), this, SLOT(returnPressed()));
209
210	NOREF(pszName);
211	}
212
213
214	VBoxDbgConsoleInput::~VBoxDbgConsoleInput()
215	{
216	Assert(m_hGUIThread == RTThreadNativeSelf());
217	}
218
219
220	void
221	VBoxDbgConsoleInput::setLineEdit(QLineEdit *pEdit)
222	{
223	Assert(m_hGUIThread == RTThreadNativeSelf());
224	QComboBox::setLineEdit(pEdit);
225	if (lineEdit() == pEdit && pEdit)
226	connect(pEdit, SIGNAL(returnPressed()), this, SLOT(returnPressed()));
227	}
228
229
230	void
231	VBoxDbgConsoleInput::returnPressed()
232	{
233	Assert(m_hGUIThread == RTThreadNativeSelf());
234	/* deal with the current command. */
235	QString Str = currentText();
236	emit commandSubmitted(Str);
237
238	/* update the history and clear the entry field */
239	#ifdef VBOXDBG_USE_QT4
240	if (itemText(m_iBlankItem - 1) != Str)
241	{
242	setItemText(m_iBlankItem, Str);
243	removeItem(m_iBlankItem - maxCount() - 1);
244	insertItem(++m_iBlankItem, "");
245	}
246
247	clearEditText();
248	setCurrentIndex(m_iBlankItem);
249	#else
250	if (text(m_iBlankItem - 1) != Str)
251	{
252	changeItem(Str, m_iBlankItem);
253	removeItem(m_iBlankItem - maxCount() - 1);
254	insertItem("", ++m_iBlankItem);
255	}
256
257	clearEdit();
258	setCurrentItem(m_iBlankItem);
259	#endif
260	}
261
262
263
264
265
266
267	/*
268	*
269	* V B o x D b g C o n s o l e
270	* V B o x D b g C o n s o l e
271	* V B o x D b g C o n s o l e
272	*
273	*
274	*/
275
276
277	VBoxDbgConsole::VBoxDbgConsole(PVM pVM, QWidget pParent/ = NULL/, const char pszName/* = NULL*/)
278	: VBoxDbgBase(pVM), m_pOutput(NULL), m_pInput(NULL), m_fInputRestoreFocus(false),
279	m_pszInputBuf(NULL), m_cbInputBuf(0), m_cbInputBufAlloc(0),
280	m_pszOutputBuf(NULL), m_cbOutputBuf(0), m_cbOutputBufAlloc(0),
281	m_pTimer(NULL), m_fUpdatePending(false), m_Thread(NIL_RTTHREAD), m_EventSem(NIL_RTSEMEVENT), m_fTerminate(false)
282	{
283	#ifdef VBOXDBG_USE_QT4
284	setWindowTitle("VBoxDbg - Console");
285	#else
286	setCaption("VBoxDbg - Console");
287	#endif
288
289	NOREF(pszName);
290	NOREF(pParent);
291
292	/*
293	* Create the output text box.
294	*/
295	m_pOutput = new VBoxDbgConsoleOutput(this);
296
297	/* try figure a suitable size */
298	#ifdef VBOXDBG_USE_QT4
299	QLabel *pLabel = new QLabel( "11111111111111111111111111111111111111111111111111111111111111111111111111111112222222222", this);
300	#else
301	QLabel *pLabel = new QLabel(NULL, "11111111111111111111111111111111111111111111111111111111111111111111111111111112222222222", this); /// @todo
302	#endif
303	pLabel->setFont(m_pOutput->font());
304	QSize Size = pLabel->sizeHint();
305	delete pLabel;
306	Size.setWidth((int)(Size.width() * 1.10));
307	Size.setHeight(Size.width() / 2);
308	resize(Size);
309
310	/*
311	* Create the input combo box (with a label).
312	*/
313	#ifdef VBOXDBG_USE_QT4
314	QHBoxLayout *pLayout = new QHBoxLayout();
315	//pLayout->setSizeConstraint(QLayout::SetMaximumSize);
316
317	pLabel = new QLabel(" Command ");
318	pLayout->addWidget(pLabel);
319	pLabel->setMaximumSize(pLabel->sizeHint());
320	pLabel->setAlignment(Qt::AlignCenter);
321
322	m_pInput = new VBoxDbgConsoleInput(NULL);
323	pLayout->addWidget(m_pInput);
324	m_pInput->setDuplicatesEnabled(false);
325	connect(m_pInput, SIGNAL(commandSubmitted(const QString &)), this, SLOT(commandSubmitted(const QString &)));
326
327	# if 0//def Q_WS_MAC
328	pLabel = new QLabel(" ");
329	pLayout->addWidget(pLabel);
330	pLabel->setMaximumSize(20, m_pInput->sizeHint().height() + 6);
331	pLabel->setMinimumSize(20, m_pInput->sizeHint().height() + 6);
332	# endif
333
334	QWidget *pHBox = new QWidget(this);
335	pHBox->setLayout(pLayout);
336
337	#else /* QT3 */
338	QHBox *pHBox = new QHBox(this);
339
340	pLabel = new QLabel(NULL, " Command ", pHBox);
341	pLabel->setMaximumSize(pLabel->sizeHint());
342	pLabel->setAlignment(AlignHCenter \| AlignVCenter);
343
344	m_pInput = new VBoxDbgConsoleInput(pHBox);
345	m_pInput->setDuplicatesEnabled(false);
346	connect(m_pInput, SIGNAL(commandSubmitted(const QString &)), this, SLOT(commandSubmitted(const QString &)));
347
348	# ifdef Q_WS_MAC
349	pLabel = new QLabel(NULL, " ", pHBox); /// @todo
350	pLabel->setMaximumSize(20, m_pInput->sizeHint().height() + 6);
351	pLabel->setMinimumSize(20, m_pInput->sizeHint().height() + 6);
352	# endif
353	#endif /* QT3 */
354
355	#ifdef VBOXDBG_USE_QT4
356	/*
357	* Vertical layout box on the whole widget.
358	*/
359	QVBoxLayout *pVLayout = new QVBoxLayout;
360	pVLayout->setSpacing(5);
361	pVLayout->setContentsMargins(0, 0, 0, 0);
362	pVLayout->addWidget(m_pOutput);
363	pVLayout->addWidget(pHBox);
364	setLayout(pVLayout);
365	#endif
366
367	/*
368	* The tab order is from input to output, not the otherway around as it is by default.
369	*/
370	setTabOrder(m_pInput, m_pOutput);
371
372	/*
373	* Setup the timer.
374	*/
375	m_pTimer = new QTimer(this);
376	connect(m_pTimer, SIGNAL(timeout()), SLOT(updateOutput()));
377
378	/*
379	* Init the backend structure.
380	*/
381	m_Back.Core.pfnInput = backInput;
382	m_Back.Core.pfnRead = backRead;
383	m_Back.Core.pfnWrite = backWrite;
384	m_Back.Core.pfnSetReady = backSetReady;
385	m_Back.pSelf = this;
386
387	/*
388	* Create the critical section, the event semaphore and the debug console thread.
389	*/
390	int rc = RTCritSectInit(&m_Lock);
391	AssertRC(rc);
392
393	rc = RTSemEventCreate(&m_EventSem);
394	AssertRC(rc);
395
396	rc = RTThreadCreate(&m_Thread, backThread, this, 0, RTTHREADTYPE_DEBUGGER, RTTHREADFLAGS_WAITABLE, "VBoxDbgC");
397	AssertRC(rc);
398	if (VBOX_FAILURE(rc))
399	m_Thread = NIL_RTTHREAD;
400
401	#ifdef VBOXDBG_USE_QT4
402	/*
403	* Shortcuts.
404	*/
405	m_pFocusToInput = new QAction("", this);
406	m_pFocusToInput->setShortcut(QKeySequence("Ctrl+L"));
407	addAction(m_pFocusToInput);
408	connect(m_pFocusToInput, SIGNAL(triggered(bool)), this, SLOT(actFocusToInput()));
409
410	m_pFocusToOutput = new QAction("", this);
411	m_pFocusToOutput->setShortcut(QKeySequence("Ctrl+O"));
412	addAction(m_pFocusToOutput);
413	connect(m_pFocusToOutput, SIGNAL(triggered(bool)), this, SLOT(actFocusToOutput()));
414	#endif
415	}
416
417
418	VBoxDbgConsole::~VBoxDbgConsole()
419	{
420	Assert(isGUIThread());
421
422	/*
423	* Wait for the thread.
424	*/
425	ASMAtomicWriteBool(&m_fTerminate, true);
426	RTSemEventSignal(m_EventSem);
427	if (m_Thread != NIL_RTTHREAD)
428	{
429	int rc = RTThreadWait(m_Thread, 15000, NULL);
430	AssertRC(rc);
431	m_Thread = NIL_RTTHREAD;
432	}
433
434	/*
435	* Free resources.
436	*/
437	delete m_pTimer;
438	m_pTimer = NULL;
439	RTCritSectDelete(&m_Lock);
440	RTSemEventDestroy(m_EventSem);
441	m_EventSem = 0;
442	m_pOutput = NULL;
443	m_pInput = NULL;
444	if (m_pszInputBuf)
445	{
446	RTMemFree(m_pszInputBuf);
447	m_pszInputBuf = NULL;
448	}
449	m_cbInputBuf = 0;
450	m_cbInputBufAlloc = 0;
451
452	#ifdef VBOXDBG_USE_QT4
453	delete m_pFocusToInput;
454	m_pFocusToInput = NULL;
455	delete m_pFocusToOutput;
456	m_pFocusToOutput = NULL;
457	#endif
458	}
459
460
461	void
462	VBoxDbgConsole::commandSubmitted(const QString &rCommand)
463	{
464	Assert(isGUIThread());
465
466	lock();
467	RTSemEventSignal(m_EventSem);
468
469	#ifdef VBOXDBG_USE_QT4
470	QByteArray Utf8Array = rCommand.toUtf8();
471	const char *psz = Utf8Array.constData();
472	#else
473	const char *psz = rCommand;//.utf8();
474	#endif
475	size_t cb = strlen(psz);
476
477	/*
478	* Make sure we've got space for the input.
479	*/
480	if (cb + m_cbInputBuf >= m_cbInputBufAlloc)
481	{
482	size_t cbNew = RT_ALIGN_Z(cb + m_cbInputBufAlloc + 1, 128);
483	void *pv = RTMemRealloc(m_pszInputBuf, cbNew);
484	if (!pv)
485	{
486	unlock();
487	return;
488	}
489	m_pszInputBuf = (char *)pv;
490	m_cbInputBufAlloc = cbNew;
491	}
492
493	/*
494	* Add the input and output it.
495	*/
496	memcpy(m_pszInputBuf + m_cbInputBuf, psz, cb);
497	m_cbInputBuf += cb;
498	m_pszInputBuf[m_cbInputBuf++] = '\n';
499
500	m_pOutput->appendText(rCommand + "\n");
501	#ifdef VBOXDBG_USE_QT4
502	m_pOutput->ensureCursorVisible();
503	#else
504	m_pOutput->scrollToBottom();
505	#endif
506
507	m_fInputRestoreFocus = m_pInput->hasFocus(); /* dirty focus hack */
508	m_pInput->setEnabled(false);
509
510	Log(("VBoxDbgConsole::commandSubmitted: %s (input-enabled=%RTbool)\n", psz, m_pInput->isEnabled()));
511	unlock();
512	}
513
514
515	void
516	VBoxDbgConsole::updateOutput()
517	{
518	Assert(isGUIThread());
519
520	lock();
521	m_fUpdatePending = false;
522	if (m_cbOutputBuf)
523	{
524	m_pOutput->appendText(QString::fromUtf8((const char *)m_pszOutputBuf, m_cbOutputBuf));
525	m_cbOutputBuf = 0;
526	}
527	unlock();
528	}
529
530
531	/**
532	* Lock the object.
533	*/
534	void
535	VBoxDbgConsole::lock()
536	{
537	RTCritSectEnter(&m_Lock);
538	}
539
540
541	/**
542	* Unlocks the object.
543	*/
544	void
545	VBoxDbgConsole::unlock()
546	{
547	RTCritSectLeave(&m_Lock);
548	}
549
550
551
552	/**
553	* Checks if there is input.
554	*
555	* @returns true if there is input ready.
556	* @returns false if there not input ready.
557	* @param pBack Pointer to VBoxDbgConsole::m_Back.
558	* @param cMillies Number of milliseconds to wait on input data.
559	*/
560	/static/ DECLCALLBACK(bool)
561	VBoxDbgConsole::backInput(PDBGCBACK pBack, uint32_t cMillies)
562	{
563	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCBACK(pBack);
564	pThis->lock();
565
566	bool fRc = true;
567	if (!pThis->m_cbInputBuf)
568	{
569	/*
570	* Wait outside the lock for the requested time, then check again.
571	*/
572	pThis->unlock();
573	RTSemEventWait(pThis->m_EventSem, cMillies);
574	pThis->lock();
575	fRc = pThis->m_cbInputBuf
576	\|\| ASMAtomicUoReadBool(&pThis->m_fTerminate);
577	}
578
579	pThis->unlock();
580	return fRc;
581	}
582
583
584	/**
585	* Read input.
586	*
587	* @returns VBox status code.
588	* @param pBack Pointer to VBoxDbgConsole::m_Back.
589	* @param pvBuf Where to put the bytes we read.
590	* @param cbBuf Maximum nymber of bytes to read.
591	* @param pcbRead Where to store the number of bytes actually read.
592	* If NULL the entire buffer must be filled for a
593	* successful return.
594	*/
595	/static/ DECLCALLBACK(int)
596	VBoxDbgConsole::backRead(PDBGCBACK pBack, void pvBuf, size_t cbBuf, size_t pcbRead)
597	{
598	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCBACK(pBack);
599	Assert(pcbRead); /** @todo implement this bit */
600	if (pcbRead)
601	*pcbRead = 0;
602
603	pThis->lock();
604	int rc = VINF_SUCCESS;
605	if (!ASMAtomicUoReadBool(&pThis->m_fTerminate))
606	{
607	if (pThis->m_cbInputBuf)
608	{
609	const char *psz = pThis->m_pszInputBuf;
610	size_t cbRead = RT_MIN(pThis->m_cbInputBuf, cbBuf);
611	memcpy(pvBuf, psz, cbRead);
612	psz += cbRead;
613	pThis->m_cbInputBuf -= cbRead;
614	if (*psz)
615	memmove(pThis->m_pszInputBuf, psz, pThis->m_cbInputBuf);
616	pThis->m_pszInputBuf[pThis->m_cbInputBuf] = '\0';
617	*pcbRead = cbRead;
618	}
619	}
620	else
621	rc = VERR_GENERAL_FAILURE;
622	pThis->unlock();
623	return rc;
624	}
625
626
627	/**
628	* Write (output).
629	*
630	* @returns VBox status code.
631	* @param pBack Pointer to VBoxDbgConsole::m_Back.
632	* @param pvBuf What to write.
633	* @param cbBuf Number of bytes to write.
634	* @param pcbWritten Where to store the number of bytes actually written.
635	* If NULL the entire buffer must be successfully written.
636	*/
637	/static/ DECLCALLBACK(int)
638	VBoxDbgConsole::backWrite(PDBGCBACK pBack, const void pvBuf, size_t cbBuf, size_t pcbWritten)
639	{
640	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCBACK(pBack);
641	int rc = VINF_SUCCESS;
642
643	pThis->lock();
644	if (cbBuf + pThis->m_cbOutputBuf >= pThis->m_cbOutputBufAlloc)
645	{
646	size_t cbNew = RT_ALIGN_Z(cbBuf + pThis->m_cbOutputBufAlloc + 1, 1024);
647	void *pv = RTMemRealloc(pThis->m_pszOutputBuf, cbNew);
648	if (!pv)
649	{
650	pThis->unlock();
651	if (pcbWritten)
652	*pcbWritten = 0;
653	return VERR_NO_MEMORY;
654	}
655	pThis->m_pszOutputBuf = (char *)pv;
656	pThis->m_cbOutputBufAlloc = cbNew;
657	}
658
659	/*
660	* Add the output.
661	*/
662	memcpy(pThis->m_pszOutputBuf + pThis->m_cbOutputBuf, pvBuf, cbBuf);
663	pThis->m_cbOutputBuf += cbBuf;
664	pThis->m_pszOutputBuf[pThis->m_cbOutputBuf] = '\0';
665	if (pcbWritten)
666	*pcbWritten = cbBuf;
667
668	if (ASMAtomicUoReadBool(&pThis->m_fTerminate))
669	rc = VERR_GENERAL_FAILURE;
670
671	/*
672	* Tell the GUI thread to draw this text.
673	* We cannot do it from here without frequent crashes.
674	*/
675	if (!pThis->m_fUpdatePending)
676	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(VBoxDbgConsoleEvent::kUpdate));
677
678	pThis->unlock();
679
680	return rc;
681	}
682
683
684	/static/ DECLCALLBACK(void)
685	VBoxDbgConsole::backSetReady(PDBGCBACK pBack, bool fReady)
686	{
687	VBoxDbgConsole *pThis = VBOXDBGCONSOLE_FROM_DBGCBACK(pBack);
688	if (fReady)
689	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(VBoxDbgConsoleEvent::kInputEnable));
690	}
691
692
693	/**
694	* The Debugger Console Thread
695	*
696	* @returns VBox status code (ignored).
697	* @param Thread The thread handle.
698	* @param pvUser Pointer to the VBoxDbgConsole object.s
699	*/
700	/static/ DECLCALLBACK(int)
701	VBoxDbgConsole::backThread(RTTHREAD Thread, void *pvUser)
702	{
703	VBoxDbgConsole pThis = (VBoxDbgConsole )pvUser;
704	LogFlow(("backThread: Thread=%p pvUser=%p\n", (void *)Thread, pvUser));
705
706	NOREF(Thread);
707
708	/*
709	* Create and execute the console.
710	*/
711	int rc = pThis->dbgcCreate(&pThis->m_Back.Core, 0);
712	if (!ASMAtomicUoReadBool(&pThis->m_fTerminate))
713	QApplication::postEvent(pThis, new VBoxDbgConsoleEvent(rc == VINF_SUCCESS
714	? VBoxDbgConsoleEvent::kTerminatedUser
715	: VBoxDbgConsoleEvent::kTerminatedOther));
716	LogFlow(("backThread: returns %Rrc (m_fTerminate=%RTbool)\n", rc, ASMAtomicUoReadBool(&pThis->m_fTerminate)));
717	return rc;
718	}
719
720
721	bool
722	VBoxDbgConsole::event(QEvent *pGenEvent)
723	{
724	Assert(isGUIThread());
725	if (pGenEvent->type() == (QEvent::Type)VBoxDbgConsoleEvent::kEventNumber)
726	{
727	VBoxDbgConsoleEvent pEvent = (VBoxDbgConsoleEvent )pGenEvent;
728
729	switch (pEvent->command())
730	{
731	/* make update pending. */
732	case VBoxDbgConsoleEvent::kUpdate:
733	lock();
734	if (!m_fUpdatePending)
735	{
736	m_fUpdatePending = true;
737	#ifdef VBOXDBG_USE_QT4
738	m_pTimer->setSingleShot(true);
739	m_pTimer->start(10);
740	#else
741	m_pTimer->start(10, true /* single shot */);
742	#endif
743	}
744	unlock();
745	break;
746
747	/* Re-enable the input field and restore focus. */
748	case VBoxDbgConsoleEvent::kInputEnable:
749	Log(("VBoxDbgConsole: kInputEnable (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
750	m_pInput->setEnabled(true);
751	if ( m_fInputRestoreFocus
752	&& !m_pInput->hasFocus())
753	m_pInput->setFocus(); /* this is a hack. */
754	m_fInputRestoreFocus = false;
755	break;
756
757	/* The thread terminated by user command (exit, quit, bye). */
758	case VBoxDbgConsoleEvent::kTerminatedUser:
759	Log(("VBoxDbgConsole: kTerminatedUser (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
760	close();
761	break;
762
763	/* The thread terminated for some unknown reason., disable input */
764	case VBoxDbgConsoleEvent::kTerminatedOther:
765	Log(("VBoxDbgConsole: kTerminatedOther (input-enabled=%RTbool)\n", m_pInput->isEnabled()));
766	m_pInput->setEnabled(false);
767	break;
768
769	/* paranoia */
770	default:
771	AssertMsgFailed(("command=%d\n", pEvent->command()));
772	break;
773	}
774	return true;
775	}
776
777	#ifdef VBOXDBG_USE_QT4
778	return QWidget::event(pGenEvent);
779	#else
780	return QVBox::event(pGenEvent);
781	#endif
782	}
783
784
785	void
786	VBoxDbgConsole::actFocusToInput()
787	{
788	if (!m_pInput->hasFocus())
789	#ifdef VBOXDBG_USE_QT4
790	m_pInput->setFocus(Qt::ShortcutFocusReason);
791	#else
792	m_pInput->setFocus();
793	#endif
794	}
795
796
797	void
798	VBoxDbgConsole::actFocusToOutput()
799	{
800	if (!m_pOutput->hasFocus())
801	#ifdef VBOXDBG_USE_QT4
802	m_pOutput->setFocus(Qt::ShortcutFocusReason);
803	#else
804	m_pOutput->setFocus();
805	#endif
806	}
807

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source: vbox/trunk/src/VBox/Debugger/VBoxDbgConsole.cpp@ 12880

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