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// qsamplerMessages.cpp |
// qsamplerMessages.cpp |
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// |
// |
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/**************************************************************************** |
/**************************************************************************** |
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Copyright (C) 2004-2008, rncbc aka Rui Nuno Capela. All rights reserved. |
Copyright (C) 2004-2015, rncbc aka Rui Nuno Capela. All rights reserved. |
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Copyright (C) 2007, Christian Schoenebeck |
Copyright (C) 2007, Christian Schoenebeck |
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This program is free software; you can redistribute it and/or |
This program is free software; you can redistribute it and/or |
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#if !defined(WIN32) |
#if !defined(WIN32) |
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#include <unistd.h> |
#include <unistd.h> |
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#include <fcntl.h> |
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#endif |
#endif |
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#define QSAMPLER_MESSAGES_FDREAD 0 |
#define QSAMPLER_MESSAGES_FDREAD 0 |
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#define QSAMPLER_MESSAGES_FDWRITE 1 |
#define QSAMPLER_MESSAGES_FDWRITE 1 |
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//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
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// QSampler::Messages - Messages log dockable window. |
// QSampler::Messages - Messages log dockable window. |
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// |
// |
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// Constructor. |
// Constructor. |
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Messages::Messages ( QWidget *pParent ) |
Messages::Messages ( QWidget *pParent ) |
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: QDockWidget(pParent) |
: QDockWidget(pParent) |
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{ |
{ |
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// Surely a name is crucial (e.g.for storing geometry settings) |
// Surely a name is crucial (e.g.for storing geometry settings) |
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QDockWidget::setObjectName("qsamplerMessages"); |
QDockWidget::setObjectName("qsamplerMessages"); |
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// Intialize stdout capture stuff. |
// Intialize stdout capture stuff. |
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m_pStdoutNotifier = NULL; |
m_pStdoutNotifier = NULL; |
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m_fdStdout[QSAMPLER_MESSAGES_FDREAD] = QSAMPLER_MESSAGES_FDNIL; |
m_fdStdout[QSAMPLER_MESSAGES_FDREAD] = QSAMPLER_MESSAGES_FDNIL; |
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m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL; |
m_fdStdout[QSAMPLER_MESSAGES_FDWRITE] = QSAMPLER_MESSAGES_FDNIL; |
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// Create local text view widget. |
// Create local text view widget. |
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m_pMessagesTextView = new QTextEdit(this); |
m_pMessagesTextView = new QTextEdit(this); |
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// Destructor. |
// Destructor. |
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Messages::~Messages (void) |
Messages::~Messages (void) |
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{ |
{ |
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// Turn off and close logging. |
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setLogging(false); |
setLogging(false); |
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// No more notifications. |
// No more notifications. |
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if (m_pStdoutNotifier) |
if (m_pStdoutNotifier) |
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delete m_pStdoutNotifier; |
delete m_pStdoutNotifier; |
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// No need to delete child widgets, Qt does it all for us. |
// No need to delete child widgets, Qt does it all for us. |
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} |
} |
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void Messages::showEvent ( QShowEvent *pEvent ) |
// Set stdout/stderr blocking mode. |
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bool Messages::stdoutBlock ( int fd, bool bBlock ) const |
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{ |
{ |
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QDockWidget::showEvent(pEvent); |
#if !defined(WIN32) |
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emit visibilityChanged(isVisible()); |
const int iFlags = ::fcntl(fd, F_GETFL, 0); |
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const bool bNonBlock = bool(iFlags & O_NONBLOCK); |
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if (bBlock && bNonBlock) |
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bBlock = (::fcntl(fd, F_SETFL, iFlags & ~O_NONBLOCK) == 0); |
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else |
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if (!bBlock && !bNonBlock) |
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bBlock = (::fcntl(fd, F_SETFL, iFlags | O_NONBLOCK) != 0); |
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#endif |
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return bBlock; |
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} |
} |
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void Messages::stdoutNotify ( int fd ) |
void Messages::stdoutNotify ( int fd ) |
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{ |
{ |
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#if !defined(WIN32) |
#if !defined(WIN32) |
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char achBuffer[1024]; |
// Set non-blocking reads, if not already... |
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int cchBuffer = ::read(fd, achBuffer, sizeof(achBuffer) - 1); |
const bool bBlock = stdoutBlock(fd, false); |
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if (cchBuffer > 0) { |
// Read as much as is available... |
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achBuffer[cchBuffer] = (char) 0; |
QString sTemp; |
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appendStdoutBuffer(achBuffer); |
char achBuffer[1024]; |
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} |
const int cchBuffer = sizeof(achBuffer) - 1; |
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int cchRead = ::read(fd, achBuffer, cchBuffer); |
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while (cchRead > 0) { |
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achBuffer[cchRead] = (char) 0; |
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sTemp.append(achBuffer); |
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cchRead = (bBlock ? 0 : ::read(fd, achBuffer, cchBuffer)); |
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} |
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// Needs to be non-empty... |
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if (!sTemp.isEmpty()) |
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appendStdoutBuffer(sTemp); |
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#endif |
#endif |
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} |
} |
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{ |
{ |
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m_sStdoutBuffer.append(s); |
m_sStdoutBuffer.append(s); |
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int iLength = m_sStdoutBuffer.lastIndexOf('\n'); |
const int iLength = m_sStdoutBuffer.lastIndexOf('\n'); |
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if (iLength > 0) { |
if (iLength > 0) { |
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QString sTemp = m_sStdoutBuffer.left(iLength); |
const QString& sTemp = m_sStdoutBuffer.left(iLength); |
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m_sStdoutBuffer.remove(0, iLength + 1); |
m_sStdoutBuffer.remove(0, iLength + 1); |
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QStringList list = sTemp.split('\n'); |
QStringList list = sTemp.split('\n'); |
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QStringListIterator iter(list); |
QStringListIterator iter(list); |
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// Stdout flusher -- show up any unfinished line... |
// Stdout flusher -- show up any unfinished line... |
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void Messages::flushStdoutBuffer (void) |
void Messages::flushStdoutBuffer (void) |
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{ |
{ |
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if (!m_sStdoutBuffer.isEmpty()) { |
if (!m_sStdoutBuffer.isEmpty()) { |
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appendMessagesText(m_sStdoutBuffer); |
appendMessagesText(m_sStdoutBuffer); |
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m_sStdoutBuffer.truncate(0); |
m_sStdoutBuffer.clear(); |
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} |
} |
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} |
} |
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// Stdout capture accessors. |
// Stdout capture accessors. |
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bool Messages::isCaptureEnabled (void) |
bool Messages::isCaptureEnabled (void) |
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{ |
{ |
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return (bool) (m_pStdoutNotifier != NULL); |
return (m_pStdoutNotifier != NULL); |
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} |
} |
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void Messages::setCaptureEnabled ( bool bCapture ) |
void Messages::setCaptureEnabled ( bool bCapture ) |
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{ |
{ |
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// Flush current buffer. |
// Flush current buffer. |
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flushStdoutBuffer(); |
flushStdoutBuffer(); |
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#if !defined(WIN32) |
#if !defined(WIN32) |
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// Destroy if already enabled. |
// Destroy if already enabled. |
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::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]); |
::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]); |
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m_fdStdout[QSAMPLER_MESSAGES_FDREAD] = QSAMPLER_MESSAGES_FDNIL; |
m_fdStdout[QSAMPLER_MESSAGES_FDREAD] = QSAMPLER_MESSAGES_FDNIL; |
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} |
} |
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if (m_fdStdout[QSAMPLER_MESSAGES_FDREAD] != QSAMPLER_MESSAGES_FDNIL) { |
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::close(m_fdStdout[QSAMPLER_MESSAGES_FDREAD]); |
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m_fdStdout[QSAMPLER_MESSAGES_FDREAD] = QSAMPLER_MESSAGES_FDNIL; |
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} |
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} |
} |
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// Are we going to make up the capture? |
// Are we going to make up the capture? |
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if (bCapture && m_pStdoutNotifier == NULL && ::pipe(m_fdStdout) == 0) { |
if (bCapture && m_pStdoutNotifier == NULL && ::pipe(m_fdStdout) == 0) { |
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// Message font accessors. |
// Message font accessors. |
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QFont Messages::messagesFont (void) |
QFont Messages::messagesFont (void) |
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{ |
{ |
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return m_pMessagesTextView->font(); |
return m_pMessagesTextView->font(); |
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} |
} |
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void Messages::setMessagesFont ( const QFont& font ) |
void Messages::setMessagesFont ( const QFont& font ) |
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{ |
{ |
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m_pMessagesTextView->setFont(font); |
m_pMessagesTextView->setFont(font); |
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} |
} |
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// Maximum number of message lines accessors. |
// Maximum number of message lines accessors. |
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int Messages::messagesLimit (void) |
int Messages::messagesLimit (void) |
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{ |
{ |
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return m_iMessagesLimit; |
return m_iMessagesLimit; |
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} |
} |
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void Messages::setMessagesLimit ( int iMessagesLimit ) |
void Messages::setMessagesLimit ( int iMessagesLimit ) |
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{ |
{ |
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m_iMessagesLimit = iMessagesLimit; |
m_iMessagesLimit = iMessagesLimit; |
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m_iMessagesHigh = iMessagesLimit + (iMessagesLimit / 3); |
m_iMessagesHigh = iMessagesLimit + (iMessagesLimit / 3); |
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} |
} |
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// Messages logging stuff. |
// Messages logging stuff. |
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// The main utility methods. |
// The main utility methods. |
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void Messages::appendMessages ( const QString& s ) |
void Messages::appendMessages ( const QString& s ) |
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{ |
{ |
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appendMessagesColor(s, "#999999"); |
appendMessagesColor(s, "#999999"); |
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} |
} |
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void Messages::appendMessagesColor ( const QString& s, const QString &c ) |
void Messages::appendMessagesColor ( const QString& s, const QString &c ) |
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{ |
{ |
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QString sText = QTime::currentTime().toString("hh:mm:ss.zzz") + ' ' + s; |
const QString& sText |
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= QTime::currentTime().toString("hh:mm:ss.zzz") + ' ' + s; |
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appendMessagesLine("<font color=\"" + c + "\">" + sText + "</font>"); |
appendMessagesLine("<font color=\"" + c + "\">" + sText + "</font>"); |
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appendMessagesLog(sText); |
appendMessagesLog(sText); |
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} |
} |