Examples of org.eclipse.swt.widgets.Control.addKeyListener()

org.eclipse.swt.widgets.Control.addKeyListener()
Adds the listener to the collection of listeners who will be notified when keys are pressed and released on the system keyboard, by sending it one of the messages defined in the KeyListener interface.
When a key listener is added to a control, the control will take part in widget traversal. By default, all traversal keys (such as the tab key and so on) are delivered to the control. In order for a control to take part in traversal, it should listen for traversal events. Otherwise, the user can traverse into a control but not out. Note that native controls such as table and tree implement key traversal in the operating system. It is not necessary to add traversal listeners for these controls, unless you want to override the default traversal.
@param listener the listener which should be notified @exception IllegalArgumentException
- ERROR_NULL_ARGUMENT - if the listener is null
@exception SWTException
- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
@see KeyListener @see #removeKeyListener

            }
        });
        
        if (active) {
            Control control = getContext().getViewportPane().getControl();
            control.addKeyListener(this);
        }else{
            Control control = getContext().getViewportPane().getControl();
            control.removeKeyListener(this);
        }

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        }


        Control editorControl = this.cellEditor.getEditorControl();


        // propagate the ESC event from the editor to the dialog
        editorControl.addKeyListener(getEscKeyListener());


        GridDataFactory.fillDefaults().grab(true, false).hint(100, 20)
                .indent(5, 0).applyTo(editorControl);
        // if the editor control already has no layout data set already, apply
        // the default one

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                this.configRegistry);


        Control editorControl = this.cellEditor.getEditorControl();


        // propagate the ESC event from the editor to the dialog
        editorControl.addKeyListener(getEscKeyListener());


        // if the editor control already has no layout data set already, apply
        // the default one
        // this check allows to specify a custom layout data while creating the
        // editor control

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        public void focusLost(FocusEvent e) {
          control.setVisible(false);
        }
      });


      control.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
          if (e.character == SWT.CR && control.isFocusControl()) {
            table.notifyListeners(SWT.DefaultSelection, new Event());
          }

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          addAction.run();
        }
      }
    });
    // backspace on list to delete
    control.addKeyListener(new KeyAdapter() {
      @Override
      public void keyReleased(KeyEvent e) {
        if ((e.stateMask == 0 && e.keyCode == SWT.BS) || (e.stateMask == 0 && e.keyCode == SWT.DEL)) {
          deleteAction.run();
        }

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    delete.setText("Delete");
    delete.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));




    // backspace on list to delete
    control.addKeyListener(new KeyAdapter() {
      @Override
      public void keyReleased(KeyEvent e) {
        if ((e.stateMask == 0 && e.keyCode == SWT.BS) || (e.stateMask == 0 && e.keyCode == SWT.DEL)) {
          deleteAction.run();
        }

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        if (page instanceof IOConsolePage) {


            //Note that completions on "all letters and '_'" are already activated just by installing
            //the content assist, but the completions on the default keybinding is not, so, we have to
            //call it ourselves here.
            control.addKeyListener(new KeyListener() {
                public void keyPressed(KeyEvent e) {


                    if (KeyBindingHelper.matchesContentAssistKeybinding(e)) {
                        contentAssist.showPossibleCompletions();
                    }

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