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Use QPlainTextEdit for message log. Less memory and much much faster then QTableWidget

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This commit is contained in:
Nathan Woodrow 2014-09-14 21:18:53 +10:00
parent 8d0424188c
commit c076b305cf
1 changed files with 12 additions and 34 deletions
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46
src/gui/qgsmessagelogviewer.cpp
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@ -26,6 +26,8 @@
#include <QStatusBar>
#include <QToolTip>
#include <QDockWidget>
#include <QPlainTextEdit>
#include <QScrollBar>
static QIcon icon( QString icon )
{
@ -114,7 +116,7 @@ void QgsMessageLogViewer::logMessage( QString message, QString tag, QgsMessageLo
#ifdef ANDROID
mCount++;
#else
mButton->setToolTip( tr( "%1 message(s) logged." ).arg( mCount++ ) );
mButton->setToolTip( tr( "Message(s) logged." ) );
#endif
if ( !isVisible() && level > QgsMessageLog::INFO )
@ -131,52 +133,28 @@ void QgsMessageLogViewer::logMessage( QString message, QString tag, QgsMessageLo
for ( i = 0; i < tabWidget->count() && tabWidget->tabText( i ) != tag; i++ )
;
QTableWidget *w;
QPlainTextEdit *w;
if ( i < tabWidget->count() )
{
w = qobject_cast<QTableWidget *>( tabWidget->widget( i ) );
w = qobject_cast<QPlainTextEdit *>( tabWidget->widget( i ) );
tabWidget->setCurrentIndex( i );
}
else
{
w = new QTableWidget( 0, 3, this );
w->verticalHeader()->setDefaultSectionSize( 16 );
w->verticalHeader()->setResizeMode( QHeaderView::ResizeToContents );
w->verticalHeader()->setVisible( false );
w->setGridStyle( Qt::DotLine );
w->setEditTriggers( QAbstractItemView::NoEditTriggers );
w->setHorizontalScrollMode( QAbstractItemView::ScrollPerPixel );
w->setVerticalScrollMode( QAbstractItemView::ScrollPerPixel );
w->setHorizontalHeaderLabels( QStringList() << tr( "Timestamp" ) << tr( "Message" ) << tr( "Level" ) );
w = new QPlainTextEdit( this );
w->setReadOnly( true );
tabWidget->addTab( w, tag );
tabWidget->setCurrentIndex( tabWidget->count() - 1 );
}
int n = w->rowCount();
w->setRowCount( n + 1 );
QTableWidgetItem *item = new QTableWidgetItem( QDateTime::currentDateTime().toString( Qt::ISODate ) );
w->setItem( n, 0, item );
w->setItem( n, 1, new QTableWidgetItem( message ) );
w->setItem( n, 2, new QTableWidgetItem( QString::number( level ) ) );
w->scrollToBottom();
w->horizontalHeader()->resizeSections( QHeaderView::ResizeToContents );
QString date = QDateTime::currentDateTime().toString( Qt::ISODate );
message = message.replace( "\n", "<br>" );
w->appendHtml( QString("<i>%1</i> | <i>%2</i> | %3").arg( date ).arg( QString::number( level ) ).arg( message ) );
w->verticalScrollBar()->setValue( w->verticalScrollBar()->maximum() );
}
void QgsMessageLogViewer::closeTab( int index )
{
QTableWidget *w = qobject_cast<QTableWidget *>( tabWidget->widget( index ) );
if ( w )
{
mCount -= w->rowCount();
if ( mButton )
#ifdef ANDROID
mCount++;
#else
mButton->setToolTip( tr( "%1 message(s) logged." ).arg( mCount++ ) );
#endif
}
QPlainTextEdit *w = qobject_cast<QPlainTextEdit *>( tabWidget->widget( index ) );
tabWidget->removeTab( index );
}