Examples of org.eclipse.swt.events.KeyListener

org.eclipse.swt.events.KeyListener
Classes which implement this interface provide methods that deal with the events that are generated as keys are pressed on the system keyboard.
After creating an instance of a class that implements this interface it can be added to a control using the addKeyListener method and removed using the removeKeyListener method. When a key is pressed or released, the appropriate method will be invoked.
@see KeyAdapter @see KeyEvent

    }
    return fStylePreferenceKeys;
  }


  private KeyListener getTextKeyListener() {
    return new KeyListener() {
      public void keyPressed(KeyEvent e) {
        if (e.widget instanceof StyledText) {
          int x = ((StyledText) e.widget).getCaretOffset();
          selectColorAtOffset(x);
        }

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        public void widgetSelected(SelectionEvent e) {
          applyCellEditorValue();
        }
      };


      KeyListener keyListener = new KeyAdapter() {
        public void keyPressed(KeyEvent e) {
          if (e.character == SWT.CR) {
            deactivateCellEditor();
            TreeItem[] items = theTree.getSelection();
            if (items.length == 1) {

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          }          
        }        
      }      
    });
    
    addKeyListener(new KeyListener(){
      public void keyPressed(KeyEvent e) {        
        currentState.mouseDown();
      }
      
      public void keyReleased(KeyEvent e) {

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    this.explorer = htmlExplorer;


    text = new Text(this, SWT.MULTI | SWT.WRAP | SWT.V_SCROLL);
    text.setDoubleClickEnabled(false);
    text.setFont(UIDATA.FONT_10B);
    text.addKeyListener(new KeyListener() {
      public void keyReleased(KeyEvent event) {
        if (event.keyCode == SWT.ARROW_UP || event.keyCode == SWT.ARROW_DOWN) {
          event.doit = false;
          if ((event.stateMask & SWT.ALT) != 0) {
//            if (isDropped()) popup.setFocus ();

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    list = new List (popup, SWT.V_SCROLL | SWT.BORDER);  
    list.setBackground (ColorCache.getInstance().getWhite());
    list.setFont(text.getFont());
    list.setItems(elements);


    list.addKeyListener(new KeyListener() {
      public void keyReleased(KeyEvent event) {
        if(popup.isDisposed()) return;
        if(event.keyCode == SWT.ESC) {
          popup.dispose();
        }

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    fText.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
    fSymbolicFontName= symbolicFontName;
    fTextFont= JFaceResources.getFont(symbolicFontName);
    fText.setFont(fTextFont);


    fText.addKeyListener(new KeyListener() {


      public void keyPressed(KeyEvent e)  {
        if (e.character == 0x1B) // ESC
          fShell.dispose();
      }

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        graceDaysText = new Text(groupComposite, SWT.BORDER);
        Validator.validateNumbers(graceDaysText);
        graceDaysText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        graceDaysText.setText(gd.get("gracedays") == null ? "0" : gd.get("gracedays").toString());
        
        graceDaysText.addKeyListener(new KeyListener(){
      public void keyReleased(KeyEvent arg0) {
        if (graceDaysText.getText().length() == 0){
          graceDaysText.setText("0");
        }      
      }

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        fineForContractBreakText = new Text(groupComposite, SWT.BORDER);
        Validator.validateNumbers(fineForContractBreakText);
        fineForContractBreakText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        fineForContractBreakText.setText(gd.get("fineContract") == null ? "0" : gd.get("fineContract").toString());
        
        fineForContractBreakText.addKeyListener(new KeyListener(){
      public void keyReleased(KeyEvent arg0) {
        if (fineForContractBreakText.getText().length() == 0){
          fineForContractBreakText.setText("0");
        }      
      }

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      Validator.validateNumbers(registrationTaxText);
      registrationTaxText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
      registrationTaxText.setText(gd.get("registrationTax") == null ? "0,00" : new Money(gd.get("registrationTax").toString()).getFormatedValue());
      new MoneyMask(registrationTaxText);
      
      registrationTaxText.addKeyListener(new KeyListener(){
       public void keyReleased(KeyEvent arg0) {
         if (registrationTaxText.getText().length() == 0){
           registrationTaxText.setText("0,00");
         }      
       }

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        pontualityDiscountText = new Text(groupComposite, SWT.BORDER);
        Validator.validateNumbers(pontualityDiscountText);
        pontualityDiscountText.setText(gd.get("pontualityDiscount") == null ? "0,00" : new Money(gd.get("pontualityDiscount").toString()).getFormatedValue());
        new MoneyMask(pontualityDiscountText);
 
        pontualityDiscountText.addKeyListener(new KeyListener(){
       public void keyReleased(KeyEvent arg0) {
         if (pontualityDiscountText.getText().length() == 0){
           pontualityDiscountText.setText("0,00");
         }      
       }

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