Fixed bug where refresh lists would crash

1 files changed, 2 insertions, 1 deletions

diff --git a/noncore/settings/aqpkg/installdlgimpl.cpp b/noncore/settings/aqpkg/installdlgimpl.cpp
index bd07828..bf2c482 100644
--- a/noncore/settings/aqpkg/installdlgimpl.cpp
+++ b/noncore/settings/aqpkg/installdlgimpl.cpp
@@ -1,290 +1,291 @@
 /***************************************************************************
                           installdlgimpl.cpp  -  description
                              -------------------
     begin                : Mon Aug 26 2002
     copyright            : (C) 2002 by Andy Qua
     email                : andy.qua@blueyonder.co.uk
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #ifdef QWS
 #include <qpe/config.h>
 #include <qpe/qpeapplication.h>
 #include <qpe/storage.h>
 #endif
 
 #include <qmultilineedit.h>
 #include <qdialog.h>
 #include <qcombobox.h>
 #include <qcheckbox.h>
 #include <qpushbutton.h>
 #include <qlabel.h>
 
 
 #include "datamgr.h"
 #include "instoptionsimpl.h"
 #include "destination.h"
 #include "installdlgimpl.h"
 #include "utils.h"
 #include "global.h"
 
 InstallDlgImpl::InstallDlgImpl( vector<InstallData> &packageList, DataManager *dataManager, QWidget * parent, const char* name, bool modal, WFlags fl )
     : InstallDlg( parent, name, modal, fl )
 {
     pIpkg = 0;
     upgradePackages = false;
     dataMgr = dataManager;
     vector<Destination>::iterator dit;
 
     QString defaultDest = "root";
 #ifdef QWS
     Config cfg( "aqpkg" );
     cfg.setGroup( "settings" );
     defaultDest = cfg.readEntry( "dest", "root" );
 
     // Grab flags - Turn MAKE_LINKS on by default (if no flags found)
     flags = cfg.readNumEntry( "installFlags", 0 );
 #else
 	flags = 0;
 #endif
 
     // Output text is read only
     output->setReadOnly( true );
 	QFont f( "helvetica" );
 	f.setPointSize( 10 );
 	output->setFont( f );
 
 
     // setup destination data
     int defIndex = 0;
     int i;
     for ( i = 0 , dit = dataMgr->getDestinationList().begin() ; dit != dataMgr->getDestinationList().end() ; ++dit, ++i )
     {
         destination->insertItem( dit->getDestinationName() );
         if ( dit->getDestinationName() == defaultDest )
             defIndex = i;
     }
 
     destination->setCurrentItem( defIndex );
 
 	vector<InstallData>::iterator it;
 	// setup package data
 	QString remove = "Remove\n";
 	QString install = "\nInstall\n";
 	QString upgrade = "\nUpgrade\n";
 	for ( it = packageList.begin() ; it != packageList.end() ; ++it )
 	{
 		InstallData item = *it;
 		if ( item.option == "I" )
 		{
 			installList.push_back( item );
 			install += "   " + item.packageName + "\n";
 		}
 		else if ( item.option == "D" )
 		{
 			removeList.push_back( item );
 			remove += "   " + item.packageName + "\n";
 		}
 		else if ( item.option == "U" || item.option == "R" )
 		{
             updateList.push_back( item );
             QString type = " (Upgrade)";
             if ( item.option == "R" )
                 type = " (ReInstall)";
             upgrade += "   " + item.packageName + type + "\n";
     }
     }
 
     output->setText( remove + install + upgrade );
 
     displayAvailableSpace( destination->currentText() );
 }
 
 InstallDlgImpl::InstallDlgImpl( Ipkg *ipkg, QString initialText, QWidget *parent, const char *name, bool modal, WFlags fl )
     : InstallDlg( parent, name, modal, fl )
 {
     pIpkg = ipkg;
     output->setText( initialText );
 }
 
 
 InstallDlgImpl::~InstallDlgImpl()
 {
 }
 
 bool InstallDlgImpl :: showDlg()
 {
     showMaximized();
     bool ret = exec();
 
     return ret;
 }
 
 void InstallDlgImpl :: optionsSelected()
 {
     InstallOptionsDlgImpl opt( flags, this, "Option", true );
     opt.exec();
 
     // set options selected from dialog
     flags = opt.getFlags();
 
 #ifdef QWS
     Config cfg( "aqpkg" );
     cfg.setGroup( "settings" );
     cfg.writeEntry( "installFlags", flags );
 #endif
 }
 
 void InstallDlgImpl :: installSelected()
 {
     if ( btnInstall->text() == "Abort" )
     {
         if ( pIpkg )
         {
             displayText( "\n**** User Clicked ABORT ***" );
             pIpkg->abort();
             displayText( "**** Process Aborted ****" );
         }
         
         btnInstall->setText( tr( "Close" ) );
         return;
     }
     else if ( btnInstall->text() == "Close" )
     {
         done( 1 );
         return;
     }
 
     // Disable buttons
     btnOptions->setEnabled( false );
 //    btnInstall->setEnabled( false );
 
     btnInstall->setText( "Abort" );
 
     if ( pIpkg )
     {
         output->setText( "" );
         
         connect( pIpkg, SIGNAL(outputText(const QString &)), this, SLOT(displayText(const QString &)));
         pIpkg->runIpkg();
     }
     else
     {
         output->setText( "" );
         vector<Destination>::iterator d = dataMgr->getDestination( destination->currentText() );
         QString dest = d->getDestinationName();
         QString destDir = d->getDestinationPath();
         int instFlags = flags;
         if ( d->linkToRoot() )
             instFlags |= MAKE_LINKS;
     
 #ifdef QWS
         // Save settings
         Config cfg( "aqpkg" );
         cfg.setGroup( "settings" );
         cfg.writeEntry( "dest", dest );
 #endif
 
         pIpkg = new Ipkg;
         connect( pIpkg, SIGNAL(outputText(const QString &)), this, SLOT(displayText(const QString &)));
 
         // First run through the remove list, then the install list then the upgrade list
         vector<InstallData>::iterator it;
         pIpkg->setOption( "remove" );
         for ( it = removeList.begin() ; it != removeList.end() ; ++it )
         {
             pIpkg->setDestination( it->destination->getDestinationName() );
             pIpkg->setDestinationDir( it->destination->getDestinationPath() );
             pIpkg->setPackage( it->packageName );
 
             int tmpFlags = flags;
             if ( it->destination->linkToRoot() )
                 tmpFlags |= MAKE_LINKS;
             
             pIpkg->setFlags( tmpFlags );
             pIpkg->runIpkg();
         }
 
         pIpkg->setOption( "install" );
         pIpkg->setDestination( dest );
         pIpkg->setDestinationDir( destDir );
         pIpkg->setFlags( instFlags );
         for ( it = installList.begin() ; it != installList.end() ; ++it )
         {
             pIpkg->setPackage( it->packageName );
             pIpkg->runIpkg();
         }
 
         flags |= FORCE_REINSTALL;
         for ( it = updateList.begin() ; it != updateList.end() ; ++it )
         {
             if ( it->option == "R" )
                 pIpkg->setOption( "reinstall" );
             else
                 pIpkg->setOption( "upgrade" );
             pIpkg->setDestination( it->destination->getDestinationName() );
             pIpkg->setDestinationDir( it->destination->getDestinationPath() );
             pIpkg->setPackage( it->packageName );
 
             int tmpFlags = flags;
             if ( it->destination->linkToRoot() && it->recreateLinks )
                 tmpFlags |= MAKE_LINKS;
             pIpkg->setFlags( tmpFlags );
             pIpkg->runIpkg();
         }
 
         delete pIpkg;
     }
 
     btnOptions->setEnabled( true );
 //    btnInstall->setEnabled( true );
     btnInstall->setText( tr( "Close" ) );
 
-    displayAvailableSpace( destination->currentText() );
+    if ( destination->currentText() != 0 && destination->currentText() != "" )
+        displayAvailableSpace( destination->currentText() );
 }
 
 
 void InstallDlgImpl :: displayText(const QString &text )
 {
     QString t = output->text() + "\n" + text;
     output->setText( t );
     output->setCursorPosition( output->numLines(), 0 );
 }
 
 
 void InstallDlgImpl :: displayAvailableSpace( const QString &text )
 {
     vector<Destination>::iterator 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 ) )
     {
         long mult = blockSize / 1024;
         long div = 1024 / blockSize;
 
         if ( !mult ) mult = 1;
         if ( !div ) div = 1;
 //        long total = totalBlocks * mult / div;
         long avail = availBlocks * mult / div;
 //        long used = total - avail;
 
         space.sprintf( "%ld Kb", avail );
     }
     else
         space = "Unknown";
         
     txtAvailableSpace->setText( space );
 }