no goto for 0 length texts

1 files changed, 4 insertions, 2 deletions

diff --git a/core/apps/textedit/textedit.cpp b/core/apps/textedit/textedit.cpp
index 797c61b..5edf102 100644
--- a/core/apps/textedit/textedit.cpp
+++ b/core/apps/textedit/textedit.cpp
@@ -1049,155 +1049,157 @@ void TextEdit::editorChanged() {
         setCaption( "*"+caption());
         edited1=true;
     }
     edited=true;
 }
 
 void TextEdit::receive(const QCString&msg, const QByteArray &) {
     qDebug("QCop "+msg);
   if ( msg == "setDocument(QString)" ) {
       qDebug("bugger all");
           
   }
 
 }
 
 void TextEdit::doAbout() {
     QMessageBox::about(0,tr("Text Edit"),tr("Text Edit is copyright<BR>"
                          "2000 Trolltech AS, and<BR>"
                          "2002 by <B>L. J. Potter <BR>llornkcor@handhelds.org</B><BR>"
                          "and is licensed under the GPL"));
 }
 
 void TextEdit::doPrompt(bool b) {
     promptExit=b;
     Config cfg("TextEdit");
     cfg.setGroup ( "View" );
     cfg.writeEntry ( "PromptExit", b); 
 }
 
 void TextEdit::doDesktop(bool b) {
     openDesktop=b;
     Config cfg("TextEdit");
     cfg.setGroup ( "View" );
     cfg.writeEntry ( "OpenDesktop", b); 
 }
 
 void TextEdit::doFilePerms(bool b) {
     filePerms=b;
     Config cfg("TextEdit");
     cfg.setGroup ( "View" );
     cfg.writeEntry ( "FilePermissions", b); 
 }
 
 void TextEdit::editPasteTimeDate() {
 #ifndef QT_NO_CLIPBOARD
   QClipboard *cb = QApplication::clipboard();
   QDateTime dt = QDateTime::currentDateTime();
   cb->setText( dt.toString());
   editor->paste();
 #endif
 }
 
 int TextEdit::savePrompt()
 {
     switch( QMessageBox::information( 0, (tr("Textedit")),
                                       (tr("Textedit detected\n"
                                           "you have unsaved changes\n"
                                           "Go ahead and save?\n")),
                                       (tr("Save")), (tr("Don't Save")), (tr("&Cancel")), 2, 2 ) )
       {
         case 0:
         {
             return 1;
         }
         break;
 
         case 1: 
         {
             return 2;
         }
         break;
 
         case 2:
         {
             return -1;
         }
         break;
       };
 
     return 0;
 }
 
 void TextEdit::timerCrank()
 {
     if(featureAutoSave && edited1)
       {
           if(currentFileName.isEmpty())
             {
                 currentFileName = QDir::homeDirPath()+"/textedit.tmp";
                 saveAs();
             }
           else
             {
 //                qDebug("autosave");
                 save();
             }
           setTimer();
       }
 }
 
 void TextEdit::doTimer(bool b)
 {
     Config cfg("TextEdit");
     cfg.setGroup ( "View" );
     cfg.writeEntry ( "autosave", b); 
     featureAutoSave = b; 
     nAutoSave->setOn(b);
     if(b)
       {
 //          qDebug("doTimer true");
           setTimer();      
       }
 //     else
 //         qDebug("doTimer false");
 }
 
 void TextEdit::setTimer()
 {
 if(featureAutoSave)
   {
 //      qDebug("setting autosave");
       QTimer *timer = new QTimer(this );
       connect( timer, SIGNAL(timeout()), this, SLOT(timerCrank()) );
       timer->start( 300000, true); //5 minutes
     }
 }
 
 void TextEdit::gotoLine() {
-
+    if( editor->length() < 1)
+       return;
    QWidget *d = QApplication::desktop();
    gotoEdit = new QLineEdit( 0, "Goto line");
    
    gotoEdit->move( (d->width()/2) - ( gotoEdit->width()/2) , (d->height()/2) - (gotoEdit->height()/2));
    gotoEdit->setFrame(true);
    gotoEdit->show();
    connect (gotoEdit,SIGNAL(returnPressed()), this, SLOT(doGoto()));
 }
 
 void TextEdit::doGoto() {
    QString number = gotoEdit->text();
    gotoEdit->hide();
+
    if(gotoEdit) {
       delete gotoEdit;
       gotoEdit = 0;
    }
    
    bool ok;
    int lineNumber = number.toInt(&ok, 10);
-   if(editor->numLines() < lineNumber)
+   if( editor->numLines() < lineNumber)
       QMessageBox::message(tr("Text Edit"),tr("Not enough lines"));
    else
    {
       editor->setCursorPosition(lineNumber, 0, false);
    }
 }