Use a max line count on the QMultiLineEdit used for ipkg output, as users have reported performance issues when the line count gets huge.

1 files changed, 10 insertions, 0 deletions

diff --git a/noncore/settings/aqpkg/installdlgimpl.cpp b/noncore/settings/aqpkg/installdlgimpl.cpp
index 9339086..1f0bb5f 100644
--- a/noncore/settings/aqpkg/installdlgimpl.cpp
+++ b/noncore/settings/aqpkg/installdlgimpl.cpp
@@ -28,32 +28,36 @@
 #include <qcombobox.h>
 #include <qdialog.h>
 #include <qgroupbox.h>
 #include <qmultilineedit.h>
 #include <qlabel.h>
 #include <qlayout.h>
 #include <qpushbutton.h>
 
 #include "datamgr.h"
 #include "destination.h"
 #include "instoptionsimpl.h"
 #include "installdlgimpl.h"
 #include "ipkg.h"
 #include "utils.h"
 #include "global.h"
 
+enum {
+	MAXLINES = 100,
+};
+
 InstallDlgImpl::InstallDlgImpl( QList<InstallData> &packageList, DataManager *dataManager, const char *title )
     : QWidget( 0, 0, 0 )
 {
     setCaption( title );
     init( TRUE );
     
     pIpkg = 0;
     upgradePackages = false;
     dataMgr = dataManager;
 
     QString defaultDest = "root";
 #ifdef QWS
     Config cfg( "aqpkg" );
     cfg.setGroup( "settings" );
     defaultDest = cfg.readEntry( "dest", "root" );
 
@@ -306,32 +310,38 @@ void InstallDlgImpl :: installSelected()
         pIpkg = 0;
     }
 
     btnOptions->setEnabled( true );
 //    btnInstall->setEnabled( true );
     btnInstall->setText( tr( "Close" ) );
     btnInstall->setIconSet( Resource::loadPixmap( "enter" ) );
 
     if ( destination && destination->currentText() != 0 && destination->currentText() != "" )
         displayAvailableSpace( destination->currentText() );
 }
 
 
 void InstallDlgImpl :: displayText(const QString &text )
 {
     QString newtext = QString( "%1\n%2" ).arg( output->text() ).arg( text );
+
+    /* Set a max line count for the QMultiLineEdit, as users have reported
+     * performance issues when line count gets extreme.
+     */
+    if(output->numLines() >= MAXLINES)
+        output->removeLine(0);
     output->setText( newtext );
     output->setCursorPosition( output->numLines(), 0 );
 }
 
 
 void InstallDlgImpl :: displayAvailableSpace( const QString &text )
 {
     Destination *d = dataMgr->getDestination( text );
     QString destDir = d->getDestinationPath();
 
     long blockSize = 0;
     long totalBlocks = 0;
     long availBlocks = 0;
     QString space;
     if ( Utils::getStorageSpace( (const char *)destDir, &blockSize, &totalBlocks, &availBlocks ) )
     {