Java Code Examples for org.eclipse.swt.widgets.Listener

The following examples show how to use org.eclipse.swt.widgets.Listener. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
private CursorLinePainter getCursorLinePainterInstalled(TextViewer viewer)
{
	Listener[] listeners = viewer.getTextWidget().getListeners(3001/* StyledText.LineGetBackground */);
	for (Listener listener : listeners)
	{
		if (listener instanceof TypedListener)
		{
			TypedListener typedListener = (TypedListener) listener;
			if (typedListener.getEventListener() instanceof CursorLinePainter)
			{
				return (CursorLinePainter) typedListener.getEventListener();
			}
		}
	}
	return null;
}
 
Example 2
Source Project: birt   Source File: HyperlinkBuilder.java    License: Eclipse Public License 1.0 6 votes vote down vote up
private void createExpressionButton( Composite parent, final Text text )
{
	Listener listener = new Listener( ) {

		public void handleEvent( Event event )
		{
			updateButtons( );
		}

	};
	ExpressionButtonUtil.createExpressionButton( parent,
			text,
			getExpressionProvider( ),
			inputHandle.getElementHandle( ),
			listener );
}
 
Example 3
Source Project: SWET   Source File: Breadcrumb.java    License: MIT License 6 votes vote down vote up
private void addMouseDownListener() {
	addListener(SWT.MouseDown, new Listener() {
		@Override
		public void handleEvent(final Event event) {
			for (final BreadcrumbItem item : Breadcrumb.this.items) {
				if (item.getBounds().contains(event.x, event.y)) {
					final boolean isToggle = (item.getStyle() & SWT.TOGGLE) != 0;
					final boolean isPush = (item.getStyle() & SWT.PUSH) != 0;
					if (isToggle || isPush) {
						item.setSelection(!item.getSelection());
						redraw();
						update();
					}
					item.setData(IS_BUTTON_PRESSED, "*");
					return;
				}
			}
		}
	});
}
 
Example 4
private void renderTransparency(final Shell shell) {
	Group group = new Group(shell, SWT.NONE);
	group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 6, 1));
	group.setLayout(new GridLayout(1, false));
	group.setText("Transparency");
	final Scale transparencySlider = new Scale(group, SWT.HORIZONTAL);
	transparencySlider.setMinimum(20);
	transparencySlider.setMaximum(100);
	transparencySlider.setPageIncrement(90);
	transparencySlider.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
	transparencySlider.setSelection(100);
	transparencySlider.addListener(SWT.Selection, new Listener() {

		@Override
		public void handleEvent(Event event) {
			shell.setAlpha(255 * transparencySlider.getSelection() / 100);
		}
	});
}
 
Example 5
private CCombo createSubprocessSourceCombo(final Composite outputMappingControl, final OutputMapping mapping) {
    final CCombo subprocessSourceCombo = getWidgetFactory().createCCombo(outputMappingControl, SWT.BORDER);
    for (final Data subprocessData : callActivityHelper.getCallActivityData()) {
        subprocessSourceCombo.add(subprocessData.getName());
    }
    subprocessSourceCombo.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).indent(15, 0).create());
    subprocessSourceCombo.addListener(SWT.Modify, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            getEditingDomain().getCommandStack()
                    .execute(
                            new SetCommand(getEditingDomain(), mapping,
                                    ProcessPackage.Literals.OUTPUT_MAPPING__SUBPROCESS_SOURCE, subprocessSourceCombo
                                            .getText()));
        }
    });
    if (mapping.getSubprocessSource() != null) {
        subprocessSourceCombo.setText(mapping.getSubprocessSource());
    }
    return subprocessSourceCombo;
}
 
Example 6
Source Project: nebula   Source File: GridToolTip.java    License: Eclipse Public License 2.0 6 votes vote down vote up
/**
   * Creates an inplace tooltip.
   *
   * @param parent parent control.
   */
  public GridToolTip(final Control parent)
  {
      super(parent, SWT.NONE);

      shell = new Shell(parent.getShell(), SWT.NO_TRIM | SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL);
      shell.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
      shell.setForeground(shell.getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND));

      parent.addListener(SWT.Dispose, new Listener()
      {
	public void handleEvent(Event arg0)
	{
		shell.dispose();
		dispose();
	}
});

      shell.addListener(SWT.Paint, new Listener()
      {
          public void handleEvent(Event e)
          {
              onPaint(e.gc);
          }
      });
  }
 
Example 7
Source Project: slr-toolkit   Source File: ObservableCombo.java    License: Eclipse Public License 1.0 6 votes vote down vote up
public ObservableCombo(Composite parent, GridData gridData) {
    Composite container = new Composite(parent, SWT.NONE);
    container.setLayout(new GridLayout(2, false));
    
	combo = new Combo(container, SWT.READ_ONLY);
	combo.setLayoutData(gridData);
	combo.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			notifyObservers();
		}
	});
	Button refresh = new Button(container, SWT.PUSH);
	refresh.setText("Refresh");
	refresh.addListener(SWT.Selection, new Listener() {
		@Override
		public void handleEvent(Event event) {
	        updateOptionsDisplay();
	    }
	});
}
 
Example 8
Source Project: nebula   Source File: TextAssist.java    License: Eclipse Public License 2.0 6 votes vote down vote up
/**
 * @return a listener for the FocusOut event
 */
private Listener createFocusOutListener() {
	return new Listener() {
		@Override
		public void handleEvent(final Event event) {
			/*
			 * Async is needed to wait until focus reaches its new Control
			 */
			TextAssist.this.getDisplay().asyncExec(() -> {
				if (TextAssist.this.isDisposed() || TextAssist.this.getDisplay().isDisposed()) {
					return;
				}
				final Control control = TextAssist.this.getDisplay().getFocusControl();
				if (control == null || control != text && control != table) {
					popup.setVisible(false);
				}
			});
		}
	};
}
 
Example 9
public void createContent( Composite parent )
{
	controlTypeChooser = new Combo( parent, SWT.READ_ONLY | SWT.DROP_DOWN );
	controlTypeChooser.setVisibleItemCount( 30 );
	controlTypeChooser.addListener( SWT.Selection, new Listener( ) {

		public void handleEvent( Event e )
		{
			List<Listener> listeners = DefaultParameterDialogControlTypeHelper.this.listeners.get( SWT.Selection );
			if ( listeners == null )
				return;
			for ( int i = 0; i < listeners.size( ); i++ )
				listeners.get( i ).handleEvent( e );
		}
	} );
}
 
Example 10
Source Project: Pydev   Source File: PyConfigureExceptionDialog.java    License: Eclipse Public License 1.0 6 votes vote down vote up
/**
 * Initialises this dialog's viewer after it has been laid out.
 */
private void initContent() {
    listViewer.setInput(inputElement);
    Listener listener = new Listener() {
        @Override
        public void handleEvent(Event e) {
            if (updateInThread) {
                if (filterJob != null) {
                    // cancel it if it was already in progress
                    filterJob.cancel();
                }
                filterJob = new FilterJob();
                filterJob.start();
            } else {
                doFilterUpdate(new NullProgressMonitor());
            }
        }
    };

    filterPatternField.setText(filterPattern != null ? filterPattern : "");
    filterPatternField.addListener(SWT.Modify, listener);
}
 
Example 11
@Override
protected List<Control> renderControls() {
    List<Control> controls = new LinkedList<>();
    for (String choice : question.getChoices()) {
        Button btn = new Button(root, SWT.RADIO);
        btn.setText(choice);
        btn.setSelection(choice.equals(question.getAnswer(document)));
        btn.addListener(SWT.Selection, new Listener() {
			@Override
			public void handleEvent(Event event) {
                question.addAnswer(document, choice);
                onQuestionChanged.accept(question);
            }
        });
        controls.add(btn);
    }
    return controls;
}
 
Example 12
Source Project: nebula   Source File: BidiLayout.java    License: Eclipse Public License 2.0 6 votes vote down vote up
public void addAndReorderListener(int eventType, Listener listener){
	//have to 'reorder' listeners in eventTable. BidiLayout's listener should come first (before StyledText's one)
	Listener[] listeners = styledText.getListeners(eventType);
	Listener styledTextListener = null;
	for (Listener listener2 : listeners) {
		if (listener2.getClass().getSimpleName().startsWith("StyledText")){
			styledTextListener = listener2;
			break;
		}
	}
	if (styledTextListener != null){
		styledText.removeListener(eventType, styledTextListener);
	}
	styledText.addListener(eventType, listener);
	if (styledTextListener != null){
		styledText.addListener(eventType, styledTextListener);
	}
}
 
Example 13
Source Project: arx   Source File: Resources.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Loads an image. Adds a dispose listener that disposes the image when the display is disposed
 * @param display
 * @param resource
 * @return
 */
private static final Image getImage(Display display, String resource) {
    InputStream stream = Resources.class.getResourceAsStream(resource);
    try {
        final Image image = new Image(display, stream);
        display.addListener(SWT.Dispose, new Listener() {
            public void handleEvent(Event arg0) {
                if (image != null && !image.isDisposed()) {
                    image.dispose();
                }
            }
        });
        return image;
    } finally {
        if (stream != null) {
            try {
                stream.close();
            } catch (IOException e) {
                // Ignore silently
            }
        }
    }
}
 
Example 14
Source Project: swt-bling   Source File: Bubble.java    License: MIT License 6 votes vote down vote up
private void attachListeners() {
  listener = new Listener() {
    public void handleEvent(Event event) {
      switch (event.type) {
        case SWT.Paint:
          onPaint(event);
          break;
        case SWT.MouseDown:
          onMouseDown(event);
          break;
        case SWT.MouseEnter:
          BubbleRegistrant registrant = BubbleRegistry.getInstance().findRegistrant(getPoppedOverItem().getControlOrCustomElement());
          registrant.dismissBubble();
          registrant.bubble.setDisableAutoHide(false);
          break;
        default:
          break;
      }
    }
  };
  popOverShell.addListener(SWT.Paint, listener);
  popOverShell.addListener(SWT.MouseDown, listener);
  popOverShell.addListener(SWT.MouseEnter, listener);

  addAccessibilityHooks(parentControl);
}
 
Example 15
Source Project: tmxeditor8   Source File: GridToolTip.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
   * Creates an inplace tooltip.
   *
   * @param parent parent control.
   */
  public GridToolTip(final Control parent)
  {
      super(parent, SWT.NONE);

      shell = new Shell(parent.getShell(), SWT.NO_TRIM | SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL);
      shell.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
      shell.setForeground(shell.getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND));

      parent.addListener(SWT.Dispose, new Listener()
      {
	public void handleEvent(Event arg0)
	{
		shell.dispose();
		dispose();
	}
});

      shell.addListener(SWT.Paint, new Listener()
      {
          public void handleEvent(Event e)
          {
              onPaint(e.gc);
          }
      });
  }
 
Example 16
Source Project: nebula   Source File: DisposalTests.java    License: Eclipse Public License 2.0 6 votes vote down vote up
public void testDisposeWithListeners() throws Exception {
	asyncExec(new Runnable() {
		public void run() {
			comp.addListener(SWT.Dispose, new Listener() {
				public void handleEvent(Event event) {
					assertFalse(comp.isDisposed());
				}
			});
		}
	});
	
	asyncExec(new Runnable() {
		public void run() {
			getShell().dispose();
		}
	});
	
	while(getDisplay() != null && !getDisplay().isDisposed()) {
		Thread.sleep(100);
	}
}
 
Example 17
Source Project: tuxguitar   Source File: SWTTabItem.java    License: GNU Lesser General Public License v2.1 6 votes vote down vote up
@SuppressWarnings("unchecked")
public void addChild(UIControl control) {
	Control handle = ((SWTControl<? extends Control>) control).getControl();
	
	this.control = control;
	this.item.setControl(handle);
	
	handle.addListener(SWT.Resize, new Listener() {
		public void handleEvent(Event event) {
			onResize();
		}
	});
	handle.getDisplay().asyncExec(new Runnable() {
		public void run() {
			onResize();
		}
	});
}
 
Example 18
public MatchViewerBodyMenu(MatchViewPart view) {
	this.view = view;
	createMenu();
	bodyMenu.addListener(SWT.Show, new Listener() {

		public void handleEvent(Event event) {
			updateActionState();
		}
	});
}
 
Example 19
Source Project: gef   Source File: GraphvizConfigurationDialog.java    License: Eclipse Public License 2.0 5 votes vote down vote up
@Override
protected Control createMessageArea(Composite composite) {
	// prevent creation of messageLabel by super implementation
	String linkText = message;
	message = null;
	super.createMessageArea(composite);
	message = linkText;

	Link messageLink = new Link(composite, SWT.WRAP);
	messageLink.setText(message);
	GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
			.grab(true, false).applyTo(messageLink);
	messageLink.addListener(SWT.Selection, new Listener() {
		@Override
		public void handleEvent(Event event) {
			Shell shell = PlatformUI.getWorkbench()
					.getActiveWorkbenchWindow().getShell();
			PreferenceDialog pref = PreferencesUtil
					.createPreferenceDialogOn(shell,
							"org.eclipse.gef.dot.internal.ui.GraphvizPreferencePage", //$NON-NLS-1$
							null, null);
			if (pref != null) {
				close();
				pref.open();
			}
		}
	});
	return composite;
}
 
Example 20
Source Project: tracecompass   Source File: TmfRawEventViewer.java    License: Eclipse Public License 2.0 5 votes vote down vote up
/**
 * Remove selection listener
 * @param listener A listener to remove
 */
public void removeSelectionListener(Listener listener) {
    checkWidget();
    if (listener == null) {
        SWT.error (SWT.ERROR_NULL_ARGUMENT);
    }
    removeListener(SWT.Selection, listener);
}
 
Example 21
private Button createUpdateConnectorButton(final Composite parent) {
    final Button updateButton = getWidgetFactory().createButton(parent,
            Messages.update, SWT.FLAT);
    updateButton.setLayoutData(GridDataFactory.fillDefaults()
            .minSize(IDialogConstants.BUTTON_WIDTH, SWT.DEFAULT).create());
    updateButton.addListener(SWT.Selection, new Listener() {

        @Override
        public void handleEvent(final Event event) {
            updateConnectorAction();
        }
    });
    return updateButton;
}
 
Example 22
Source Project: thym   Source File: MissingRequirementsDialog.java    License: Eclipse Public License 1.0 5 votes vote down vote up
@Override
protected Control createDialogArea(Composite parent) {
	Composite composite = (Composite) super.createDialogArea(parent);
	Link messageLnk = new Link(composite,SWT.NONE);
	messageLnk.setText(this.message);
	messageLnk.addListener(SWT.Selection, new Listener() {
		
		@Override
		public void handleEvent(Event event) {
			OpenCheatSheetAction ch = new OpenCheatSheetAction("org.eclipse.thym.ui.requirements.cordova");
			ch.run();
		}
	});
	return composite;
}
 
Example 23
Source Project: lwjgl3-swt   Source File: SimpleDemo.java    License: MIT License 5 votes vote down vote up
public static void main(String[] args) {
    // Create the Vulkan instance
    VkInstance instance = createInstance();

    // Create SWT Display, Shell and VKCanvas
    final Display display = new Display();
    final Shell shell = new Shell(display, SWT.SHELL_TRIM | SWT.NO_BACKGROUND | SWT.NO_REDRAW_RESIZE);
    shell.setLayout(new FillLayout());
    shell.addListener(SWT.Traverse, new Listener() {
        public void handleEvent(Event event) {
            switch (event.detail) {
            case SWT.TRAVERSE_ESCAPE:
                shell.close();
                event.detail = SWT.TRAVERSE_NONE;
                event.doit = false;
                break;
            }
        }
    });
    VKData data = new VKData();
    data.instance = instance; // <- set Vulkan instance
    final VKCanvas canvas = new VKCanvas(shell, SWT.NO_BACKGROUND | SWT.NO_REDRAW_RESIZE, data);
    shell.setSize(800, 600);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    canvas.dispose();
    display.dispose();
}
 
Example 24
Source Project: birt   Source File: GanttLineAttributesComposite.java    License: Eclipse Public License 1.0 5 votes vote down vote up
/**
 * 
 */
private void init( )
{
	this.setSize( getParent( ).getClientArea( ).width,
			getParent( ).getClientArea( ).height );
	vListeners = new Vector<Listener>( );
}
 
Example 25
Source Project: birt   Source File: DateTimeDataElementComposite.java    License: Eclipse Public License 1.0 5 votes vote down vote up
public DateTimeDataElementComposite( Composite parent, int style,
		DateTimeDataElement data, boolean isNullAllowed )
{
	super( parent, SWT.NONE );
	this.isNullAllowed = isNullAllowed;

	placeComponents( style );

	vListeners = new Vector<Listener>( );

	setDataElement( data );
}
 
Example 26
Source Project: SWET   Source File: Breadcrumb.java    License: MIT License 5 votes vote down vote up
private void addMouseUpListener() {
	addListener(SWT.MouseUp, new Listener() {
		@Override
		public void handleEvent(final Event event) {
			for (final BreadcrumbItem item : Breadcrumb.this.items) {
				if (item.getBounds().contains(event.x, event.y)) {
					if (item.getData(IS_BUTTON_PRESSED) == null) {
						// The button was not pressed
						return;
					}
					item.setData(IS_BUTTON_PRESSED, null);

					if ((item.getStyle() & SWT.PUSH) != 0) {
						item.setSelection(false);
					}

					if ((item.getStyle() & (SWT.TOGGLE | SWT.PUSH)) != 0) {
						item.fireSelectionEvent();
						redraw();
						update();
					}
					return;
				}
			}
		}
	});
}
 
Example 27
Source Project: hadoop-gpu   Source File: LocalMapReduceLaunchTabGroup.java    License: Apache License 2.0 5 votes vote down vote up
private void createRow(final Composite parent, Composite panel,
    final Text text) {
  text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  Button button = new Button(panel, SWT.BORDER);
  button.setText("Browse...");
  button.addListener(SWT.Selection, new Listener() {
    public void handleEvent(Event arg0) {
      try {
        AST ast = AST.newAST(3);

        SelectionDialog dialog = JavaUI.createTypeDialog(parent.getShell(),
            new ProgressMonitorDialog(parent.getShell()), SearchEngine
                .createWorkspaceScope(),
            IJavaElementSearchConstants.CONSIDER_CLASSES, false);
        dialog.setMessage("Select Mapper type (implementing )");
        dialog.setBlockOnOpen(true);
        dialog.setTitle("Select Mapper Type");
        dialog.open();

        if ((dialog.getReturnCode() == Window.OK)
            && (dialog.getResult().length > 0)) {
          IType type = (IType) dialog.getResult()[0];
          text.setText(type.getFullyQualifiedName());
          setDirty(true);
        }
      } catch (JavaModelException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
  });
}
 
Example 28
Source Project: nebula   Source File: GridViewerColumn.java    License: Eclipse Public License 2.0 5 votes vote down vote up
/** {@inheritDoc} */
public void setEditingSupport(EditingSupport editingSupport)
{
	currentEditingSupport = editingSupport;
	if (!getColumn().isVisible()) {
		return;
	}

    if (editingSupport instanceof CheckEditingSupport)
    {
        if (checkEditingSupport == null)
        {
            final int colIndex = getColumn().getParent().indexOf(getColumn());

            getColumn().getParent().addListener(SWT.Selection, new Listener()
            {
                public void handleEvent(Event event)
                {
                    if (event.detail == SWT.CHECK && event.index == colIndex)
                    {
                        GridItem item = (GridItem)event.item;
                        Object element = item.getData();
                        checkEditingSupport.setValue(element, new Boolean(item.getChecked(colIndex)));
                    }
                }
            });
        }
        checkEditingSupport = (CheckEditingSupport)editingSupport;
    }
    else
    {
        super.setEditingSupport(editingSupport);
    }
}
 
Example 29
Source Project: pentaho-kettle   Source File: WidgetUtils.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * creates a ComboVar populated with fields from the previous step.
 * @param parentComposite - the composite in which the widget will be placed
 * @param props - PropsUI props for L&F
 * @param stepMeta - stepMeta of the current step
 * @param formData - FormData to use for placement
 */
public static ComboVar createFieldDropDown(
  Composite parentComposite, PropsUI props, BaseStepMeta stepMeta, FormData formData ) {
  TransMeta transMeta = stepMeta.getParentStepMeta().getParentTransMeta();
  ComboVar fieldDropDownCombo = new ComboVar( transMeta, parentComposite, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
  props.setLook( fieldDropDownCombo );
  fieldDropDownCombo.addModifyListener( e -> stepMeta.setChanged() );

  fieldDropDownCombo.setLayoutData( formData );
  Listener focusListener = e -> {
    String current = fieldDropDownCombo.getText();
    fieldDropDownCombo.getCComboWidget().removeAll();
    fieldDropDownCombo.setText( current );

    try {
      RowMetaInterface rmi = transMeta.getPrevStepFields( stepMeta.getParentStepMeta().getName() );
      List ls = rmi.getValueMetaList();
      for ( Object l : ls ) {
        ValueMetaBase vmb = (ValueMetaBase) l;
        fieldDropDownCombo.add( vmb.getName() );
      }
    } catch ( KettleStepException ex ) {
      // can be ignored, since previous step may not be set yet.
      stepMeta.logDebug( ex.getMessage(), ex );
    }
  };
  fieldDropDownCombo.getCComboWidget().addListener( SWT.FocusIn, focusListener );
  return fieldDropDownCombo;
}
 
Example 30
Source Project: birt   Source File: TreeValueDialog.java    License: Eclipse Public License 1.0 5 votes vote down vote up
/**
 * Creates and initializes the tree viewer.
 * 
 * @param parent
 *            the parent composite
 * @return the tree viewer
 * @see #doCreateTreeViewer(Composite, int)
 */
protected TreeViewer createTreeViewer( Composite parent )
{
	TreeViewer treeViewer = super.createTreeViewer( parent );
	Tree tree = treeViewer.getTree( );
	assert ( tree != null );
	for ( int i = 0; i < listeners.size( ); i++ )
	{
		int type = listeners.get( i ).type;
		Listener listener = listeners.get( i ).listener;
		tree.addListener( type, listener );
	}
	return treeViewer;
}