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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    label.setText(SSEUIMessages.TextHoverPreferenceTab_keyModifier); //$NON-NLS-1$
    fModifierEditor = new Text(hoverComposite, SWT.BORDER);
    gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
    fModifierEditor.setLayoutData(gd);


    fModifierEditor.addKeyListener(new KeyListener() {
      private boolean isModifierCandidate;


      public void keyPressed(KeyEvent e) {
        isModifierCandidate = e.keyCode > 0 && e.character == 0 && e.stateMask == 0;
      }

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    }
    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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    GridData data= new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalAlignment= GridData.FILL;
    data.verticalAlignment= GridData.CENTER;
    fFilterText.setLayoutData(data);
    fFilterText.addKeyListener(new KeyListener() {
      public void keyPressed(KeyEvent e) {
        if (e.keyCode == 0x0D) // return
          gotoSelectedElement();
        if (e.keyCode == SWT.ARROW_DOWN)
          fTreeViewer.getTree().setFocus();

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    return ((IStructuredSelection) fTreeViewer.getSelection()).getFirstElement();
  }


  private void addListeners(final Tree tree) {
    tree.addKeyListener(new KeyListener() {
      public void keyPressed(KeyEvent e)  {
        if (e.character == 0x1B) // ESC
          dispose();
      }
      public void keyReleased(KeyEvent e) {

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      createToolbar();
    }


    clipboard = new Clipboard(display);


    viewer.getTable().addKeyListener(new KeyListener() {


      public void keyReleased(KeyEvent e) {


      }

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        Rectangle bounds = new Rectangle((displayBounds.width - width) / 2,
                ((displayBounds.height - height) / 2) - 80, // Place the dialog higher.
                width, height);
        _shell.setBounds(bounds);


        _shell.addKeyListener(new KeyListener() {
            public void keyPressed(KeyEvent e) {
            }


            public void keyReleased(KeyEvent e) {
                if ((e.keyCode == SWT.CR) || (e.keyCode == SWT.ESC)) {

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    /**
     * Initializes the Listeners.
     */
    private void initListeners()
    {
        aliasesTable.addKeyListener( new KeyListener()
        {
            public void keyPressed( KeyEvent e )
            {
                if ( ( e.keyCode == SWT.DEL ) || ( e.keyCode == Action.findKeyCode( "BACKSPACE" ) ) ) { //$NON-NLS-1$
                    // NOTE: I couldn't find the corresponding Identificator in the SWT.SWT Class,

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        createColumns();


        filterController.setCellEditingStrategy(tableViewer);


        filterRuleTable.addKeyListener(new KeyListener() {


            @Override
            public void keyReleased(final KeyEvent e) {
            }

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            }
        };


        filterTable.addListener(SWT.PaintItem, paintListener);


        filterTable.addKeyListener(new KeyListener() {


            @Override
            public void keyReleased(final KeyEvent e) {
            }

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