Java Code Examples for org.eclipse.swt.widgets.Display#dispose()

/**
 * @param args
 */
public static void main(String[] args) {
	final Display display = new Display();
	final Shell shell = new Shell(display);
	shell.setText("CDateTime");
	shell.setLayout(new GridLayout());

	final CDateTime cdt = new CDateTime(shell, CDT.BORDER | CDT.DROP_DOWN | CDT.TIME_SHORT | CDT.CLOCK_DISCRETE);
	cdt.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
       
	shell.pack();
	Point size = shell.getSize();
	Rectangle screen = display.getMonitors()[0].getBounds();
	shell.setBounds(
			(screen.width-size.x)/2,
			(screen.height-size.y)/2,
			size.x,
			size.y
	);
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}
 

public static void main(final String[] args) {
	final Display display = new Display();
	final Shell shell = new Shell(display);
	shell.setLayout(new GridLayout(4, true));

	createSpinnerGroup(shell);
	createHorizontalSpinnerGroup(shell, "Default look", SWT.NONE);
	createHorizontalSpinnerGroup(shell, "Buttons on the left", SWT.LEFT);
	createHorizontalSpinnerGroup(shell, "Buttons on the right", SWT.RIGHT);

	shell.pack();
	shell.open();

	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}
	display.dispose();

}
 

public static void main (String [] args) {
    Display display = new Display ();
    Shell shell = new Shell (display);
    shell.setLayout(new FillLayout());

    Grid grid = new Grid(shell,/*SWT.BORDER |*/ SWT.V_SCROLL | SWT.H_SCROLL);
  //  grid.setHeaderVisible(true);
    GridColumn column = new GridColumn(grid,SWT.NONE);
   // column.setTree(true);
   // column.setText("Column 1");
  //  column.setWidth(100);
    GridItem item1 = new GridItem(grid,SWT.NONE);
    item1.setText("Root Item");
    GridItem item2 = new GridItem(grid,SWT.NONE);
    item2.setText("Second item");
    GridItem item3 = new GridItem(grid,SWT.NONE);
    item3.setText("Third Item");
    
    shell.setSize(200,200);
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch ()) display.sleep ();
    }
    display.dispose ();
}
 

public static void main(String[] args) {
	Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new GridLayout());

   Locale.setDefault(Locale.US);
   FormattedText text = new FormattedText(shell, SWT.BORDER);
   text.setFormatter(new DateFormatter());
   GridData data = new GridData();
   data.widthHint = 70;
   text.getControl().setLayoutData(data);

   shell.open();
   while ( ! shell.isDisposed() ) {
   	if (!display.readAndDispatch()) display.sleep();
   }
   display.dispose();
}
 

/**
 * @param args
 */
public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setText("Button Composite Tester");
   shell.setSize(200, 400);

   shell.setLayout(new FillLayout());
   Composite inner = new Composite(shell, SWT.None);
   GridLayout gl = new GridLayout(1, true);
   inner.setLayout(gl);

   createExample(inner);

   shell.open();

   while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
         display.sleep();
      }
   }
   display.dispose();
}
 

/**
 * Executes the snippet.
 *
 * @param args
 *            command-line args.
 */
public static void main(String[] args) {
	Display display = Display.getDefault();
	final Shell shell = new Shell(display);
	shell.setText("Snippet6.java");
	shell.setBounds(100, 100, 640, 480);
	shell.setLayout(new GridLayout());

	Button button = new Button(shell, SWT.PUSH);
	button.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, true, false));
	button.setText("Print");

	PrintViewer viewer = new PrintViewer(shell, SWT.BORDER);
	viewer.getControl()
			.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	final Print print = createPrint();
	viewer.setPrint(print);

	button.addListener(SWT.Selection, event -> {
		PrintDialog dialog = new PrintDialog(shell, SWT.NONE);
		PrinterData printerData = dialog.open();
		if (printerData != null)
			PaperClips.print(
					new PrintJob("Snippet6.java", print).setMargins(72),
					printerData);
	});

	shell.setVisible(true);

	while (!shell.isDisposed())
		if (!display.readAndDispatch())
			display.sleep();

	display.dispose();
}
 

public static void main(String[] args) {
	Display display = new Display();
	Image itemImage = new Image(display, Program.findProgram("jpg").getImageData()); //$NON-NLS-1$

	Shell shell = new Shell(display);
	shell.setLayout(new FillLayout());
	Gallery gallery = new Gallery(shell, SWT.V_SCROLL | SWT.MULTI);

	// Renderers
	NoGroupRenderer gr = new NoGroupRenderer();
	gr.setMinMargin(2);
	gr.setItemHeight(56);
	gr.setItemWidth(72);
	gr.setAutoMargin(true);
	gallery.setGroupRenderer(gr);

	DefaultGalleryItemRenderer ir = new DefaultGalleryItemRenderer();
	gallery.setItemRenderer(ir);

	GalleryItem group = new GalleryItem(gallery, SWT.NONE);

	for (int i = 0; i < 100; i++) {
		GalleryItem item = new GalleryItem(group, SWT.NONE);
		if (itemImage != null) {
			item.setImage(itemImage);
		}
		item.setText("Item " + i); //$NON-NLS-1$
	}

	shell.pack();
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}

	if (itemImage != null)
		itemImage.dispose();
	display.dispose();
}
 

protected Object createAndRunWorkbench(final Display display) {
    try {
        final int returnCode = PlatformUI.createAndRunWorkbench(display, createWorkbenchAdvisor());
        if (returnCode == PlatformUI.RETURN_RESTART) {
            return IApplication.EXIT_RESTART;
        }
        return IApplication.EXIT_OK;
    } finally {
        display.dispose();
    }
}
 

@Override
public Object start(IApplicationContext context) {
	Display display = PlatformUI.createDisplay();
	try {
		int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
		if (returnCode == PlatformUI.RETURN_RESTART) {
			return IApplication.EXIT_RESTART;
		}
		return IApplication.EXIT_OK;
	} finally {
		display.dispose();
	}
}
 

/**
 * @param args
 */
public static void main(final String[] args) {
	final Display display = new Display();
	shell = new Shell(display);
	shell.setText("Carousel Snippet");
	shell.setLayout(new FillLayout());
	shell.setBackground(display.getSystemColor(SWT.COLOR_WHITE));

	final Carousel carousel = new Carousel(shell, SWT.NONE);
	carousel.addImage(loadImage("images/first.png"));
	carousel.addImage(loadImage("images/second.jpg"));
	carousel.addImage(loadImage("images/third.png"));

	final Listener listener = event -> {
		System.out.println("Click on " + carousel.getSelection());
	};
	carousel.addListener(SWT.Selection, listener);

	shell.pack();
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}

	display.dispose();

}
 

public void run() {
	Display display = new Display();
	Shell shell = new Shell(display);
	shell.setText("TableTree Test");
	createContents(shell);
	shell.pack();
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}
	display.dispose();
}
 

public static void main(String[] args) {

		Display display = new Display();
		Shell shell = new Shell(display);
		GridLayout layout = new GridLayout(1, false);
		shell.setLayout(layout);

		final List<Team> items = createList();

		// 1) Create pageable tree with 10 items per page
		// This SWT Component create internally a SWT Tree+JFace TreeViewer
		int pageSize = 10;
		PageableTree pageableTree = new PageableTree(shell, SWT.BORDER,
				SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL, pageSize);
		pageableTree.setLayoutData(new GridData(GridData.FILL_BOTH));

		// 2) Initialize the tree viewer + SWT Tree
		TreeViewer viewer = pageableTree.getViewer();
		viewer.setContentProvider(TeamContentProvider.getInstance());
		viewer.setLabelProvider(new LabelProvider());

		Tree tree = viewer.getTree();
		tree.setHeaderVisible(true);
		tree.setLinesVisible(true);

		// 3) Create Tree columns with sort of paginated list.
		createColumns(viewer);

		// 3) Set current page to 0 to refresh the tree
		pageableTree.setPageLoader(new PageResultLoaderList<Team>(items));
		pageableTree.setCurrentPage(0);

		shell.setSize(400, 250);
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
 

/**
 * main() method for constructing the layout.
 * 
 * @param args
 */
public static void main( String[] args )
{
	Display display = Display.getDefault( );
	Shell shell = new Shell( display );
	shell.setSize( 600, 400 );
	shell.setLayout( new GridLayout( ) );

	Regression_143809_swt siv = new Regression_143809_swt(
			shell,
			SWT.NO_BACKGROUND );
	siv.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	siv.addPaintListener( siv );

	Composite cBottom = new Composite( shell, SWT.NONE );
	cBottom.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
	cBottom.setLayout( new RowLayout( ) );

	Label la = new Label( cBottom, SWT.NONE );

	la.setText( "Choose: " );//$NON-NLS-1$
	cbType = new Combo( cBottom, SWT.DROP_DOWN | SWT.READ_ONLY );
	cbType.add( "Pie Chart" );
	cbType.select( 0 );

	btn = new Button( cBottom, SWT.NONE );
	btn.setText( "Update" );//$NON-NLS-1$
	btn.addSelectionListener( siv );

	shell.open( );
	while ( !shell.isDisposed( ) )
	{
		if ( !display.readAndDispatch( ) )
			display.sleep( );
	}
	display.dispose( );
}
 

PrintDialogExample() {
  d = new Display();
  s = new Shell(d);
  s.setSize(400, 400);
  
  s.setText("A PrintDialog Example");
  s.setLayout(new FillLayout(SWT.VERTICAL));
  final Text t = new Text(s, SWT.BORDER | SWT.MULTI);
  final Button b = new Button(s, SWT.PUSH | SWT.BORDER);
  b.setText("Print");
  b.addSelectionListener(new SelectionAdapter() {
    public void widgetSelected(SelectionEvent e) {
      PrintDialog printDialog = new PrintDialog(s, SWT.NONE);
      printDialog.setText("Print");
      PrinterData printerData = printDialog.open();
      if (!(printerData == null)) {
        Printer p = new Printer(printerData);
        p.startJob("PrintJob");
        p.startPage();
        Rectangle trim = p.computeTrim(0, 0, 0, 0);
        Point dpi = p.getDPI();
        int leftMargin = dpi.x + trim.x;
        int topMargin = dpi.y / 2 + trim.y;
        GC gc = new GC(p);
        Font font = gc.getFont();
        String printText = t.getText();
        Point extent = gc.stringExtent(printText);
        gc.drawString(printText, leftMargin, topMargin
            + font.getFontData()[0].getHeight());
        p.endPage();
        gc.dispose();
        p.endJob();
        p.dispose();
      }
    }
  });
  s.open();

  while (!s.isDisposed()) {
    if (!d.readAndDispatch())
      d.sleep();
  }
  d.dispose();
}
 

public static void main(final String[] args) {
	final Display display = new Display();
	final Shell shell = new Shell(display);
	shell.setBackgroundMode(SWT.INHERIT_DEFAULT);
	final FillLayout layout1 = new FillLayout(SWT.VERTICAL);
	layout1.marginWidth = layout1.marginHeight = 10;
	shell.setLayout(layout1);

	// Displays the group
	final CheckBoxGroup group = new CheckBoxGroup(shell, SWT.NONE);
	group.setLayout(new GridLayout(4, false));
	group.setText("Use proxy server");

	final Composite content = group.getContent();

	final Label lblServer = new Label(content, SWT.NONE);
	lblServer.setText("Server:");
	lblServer.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));

	final Text txtServer = new Text(content, SWT.NONE);
	txtServer.setText("proxy.host.com");
	txtServer.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));

	final Label lblPort = new Label(content, SWT.NONE);
	lblPort.setText("Port:");
	lblPort.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));

	final Text txtPort = new Text(content, SWT.NONE);
	txtPort.setText("1234");
	txtPort.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));

	final Label lblUser = new Label(content, SWT.NONE);
	lblUser.setText("User ID:");
	lblUser.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));

	final Text txtUser = new Text(content, SWT.NONE);
	txtUser.setText("MyName");
	txtUser.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));

	final Label lblPassword = new Label(content, SWT.NONE);
	lblPassword.setText("Password:");
	lblPassword.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));

	final Text txtPassword = new Text(content, SWT.PASSWORD);
	txtPassword.setText("password");
	txtPassword.setEnabled(false);
	txtPassword.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));

	// Open the shell
	shell.setSize(640, 360);
	SWTGraphicUtil.centerShell(shell);
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}
	display.dispose();
}
 

public static void main (String [] args) {
    Display display = new Display ();
    Shell shell = new Shell (display);
    shell.setLayout(new FillLayout());

    Grid grid = new Grid(shell,SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    grid.setHeaderVisible(true);
    GridColumn column = new GridColumn(grid,SWT.NONE);
    column.setTree(true);
    column.setText("Column 1");
    column.setWidth(100);
    GridColumn column2 = new GridColumn(grid,SWT.NONE);
    column2.setTree(true);
    column2.setText("Column 1");
    column2.setWidth(100);
    GridColumn column3 = new GridColumn(grid,SWT.NONE);
    column3.setTree(true);
    column3.setText("Column 3");
    column3.setWidth(100);

    GridItem item1 = new GridItem(grid,SWT.NONE);
    item1.setText(0,"Root Item1");
    item1.setText(1,"Root Item2");
    item1.setText(2,"Root Item3");
    GridItem item2 = new GridItem(item1,SWT.NONE);
    item2.setText(0,"Second item1");
    item2.setText(1,"Second item2");
    item2.setText(2,"Second item3");
    GridItem item3 = new GridItem(item2,SWT.NONE);
    item3.setText(0,"Third Item1");
    item3.setText(1,"Third Item2");
    item3.setText(2,"Third Item3");

    grid.setCellSelectionEnabled(true);

    //add the "win7" column header rendering
    Win7RendererSupport.create(grid).decorate();

    shell.setSize(200,200);
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch ()) display.sleep ();
    }
    display.dispose ();
}
 

/**
 * Executes the GridPrint example.
 *
 * @param args
 *            the command line arguments.
 */
public static void main(String[] args) {
	final Display display = new Display();

	Shell shell = new Shell(display, SWT.SHELL_TRIM);
	shell.setText("GridPrintVerticalAlignmentExample.java");
	shell.setLayout(new GridLayout());
	shell.setSize(600, 800);

	final PrintJob job = new PrintJob(
			"GridPrintVerticalAlignmentExample.java", createPrint());

	Composite buttonPanel = new Composite(shell, SWT.NONE);
	buttonPanel
			.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
	buttonPanel.setLayout(new RowLayout(SWT.HORIZONTAL));

	final PrintPreview preview = new PrintPreview(shell, SWT.BORDER);

	Button prev = new Button(buttonPanel, SWT.PUSH);
	prev.setText("<< Prev");
	prev.addListener(SWT.Selection, event -> {
		preview.setPageIndex(Math.max(preview.getPageIndex() - 1, 0));
	});

	Button next = new Button(buttonPanel, SWT.PUSH);
	next.setText("Next >>");
	next.addListener(SWT.Selection, event -> {
		preview.setPageIndex(Math.min(preview.getPageIndex() + 1,
				preview.getPageCount() - 1));
	});

	Button print = new Button(buttonPanel, SWT.PUSH);
	print.setText("Print");
	print.addListener(SWT.Selection, event -> {
		PaperClips.print(job, new PrinterData());
	});

	preview.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	preview.setFitHorizontal(true);
	preview.setFitVertical(true);
	preview.setPrintJob(job);

	shell.open();

	while (!shell.isDisposed())
		if (!display.readAndDispatch())
			display.sleep();

	display.dispose();
}
 

public static void main(String[] args) {
	Display display = new Display();

	Image itemImage24 = new Image(display, Program
			.findProgram("jpg").getImageData().scaledTo(24, 24)); //$NON-NLS-1$
	Image itemImage16 = new Image(display, Program
			.findProgram("jpg").getImageData().scaledTo(16, 16)); //$NON-NLS-1$

	Shell shell = new Shell(display);
	shell.setSize(400, 400);
	shell.setLayout(new FillLayout());

	Composite inner = new Composite(shell, SWT.NONE);
	GridLayout gl = new GridLayout(1, true);
	gl.marginBottom = 0;
	gl.marginHeight = 0;
	gl.marginWidth = 0;
	gl.marginHeight = 0;
	inner.setLayout(gl);

	CollapsibleButtons collapsibleButtons = new CollapsibleButtons(inner,
			SWT.NONE, IColorManager.SKIN_OFFICE_2007);
	collapsibleButtons.setLayoutData(new GridData(GridData.GRAB_VERTICAL
			| GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_END));

	for (int i = 0; i < 5; i++) {
		collapsibleButtons.addButton("Button "+i, "Tooltip "+i, itemImage24,
				itemImage16);
	}
	
	shell.open();
	
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}

	display.dispose();
	itemImage16.dispose();
	itemImage24.dispose();
}
 

public static void main(String [] args) {
	Display display = new Display ();
	Shell shell = new Shell (display);
	shell.setText("Gantt Chart - Scopes Example");
	shell.setSize(600, 500);		
	shell.setLayout(new FillLayout());
	
	// Create a chart
	GanttChart ganttChart = new GanttChart(shell, SWT.NONE);
	
	// Create a scope
	GanttEvent scopeEvent = new GanttEvent(ganttChart, "Scope of 3 events");		
	
	// Create some calendars
	Calendar sdEventOne = Calendar.getInstance();
	Calendar edEventOne = Calendar.getInstance();
	edEventOne.add(Calendar.DATE, 10); 

	Calendar sdEventTwo = Calendar.getInstance();
	Calendar edEventTwo = Calendar.getInstance();
	sdEventTwo.add(Calendar.DATE, 11);
	edEventTwo.add(Calendar.DATE, 15);

	Calendar cpDate = Calendar.getInstance();
	cpDate.add(Calendar.DATE, 16);

	// Create events
	GanttEvent eventOne = new GanttEvent(ganttChart, "Scope Event 1");		
	GanttEvent eventTwo = new GanttEvent(ganttChart, "Scope Event 2", sdEventTwo, edEventTwo, 10);		
	GanttEvent eventThree = new GanttEvent(ganttChart, "Checkpoint", cpDate, cpDate, 75);
	eventThree.setCheckpoint(true);

	// Add events to scope
	scopeEvent.addScopeEvent(eventOne);
	scopeEvent.addScopeEvent(eventTwo);
	scopeEvent.addScopeEvent(eventThree);
	
	eventOne.addScopeEvent(eventTwo);
	eventOne.addScopeEvent(eventThree);
			
	// Show chart
	shell.open();

	while (!shell.isDisposed ()) {
		if (!display.readAndDispatch ()) display.sleep ();
	}
	display.dispose ();
	
}
 

public static void main(String[] args) {
		Display display = new Display ();
		Shell shell = new Shell (display);
		shell.setText("Calendar Combo Tester");
		shell.setSize(200, 400);
		
		// allow other date formats than default
		class Settings extends DefaultSettings {
			
/*			public Locale getLocale() {
				//return Locale.GERMAN;
			}
*/
			public boolean keyboardNavigatesCalendar() {
				return false;
			}

			
		}
		
		shell.setLayout(new FillLayout());
		Composite inner = new Composite(shell, SWT.None);
		GridLayout gl = new GridLayout(1, true);		
		inner.setLayout(gl);

		Label foo = new Label(inner, SWT.NONE);
		foo.setText("Test");
		final CalendarCombo cc = new CalendarCombo(inner, SWT.NONE, new Settings(), null);
		cc.addCalendarListener(new ICalendarListener() {

			public void dateChanged(Calendar date) {
				if (date == null) {
					System.err.println("Date changed to null");
				}
				else {
					System.err.println("Date changed " + date.getTime());
				}
			}

			public void dateRangeChanged(Calendar start, Calendar end) {
			}

			public void popupClosed() {
			}
			
		});

		final CalendarCombo cc2 = new CalendarCombo(inner, SWT.READ_ONLY, new Settings(), null);

		Button b = new Button(inner, SWT.PUSH);
		b.setText("Check date");
		b.addListener(SWT.Selection, new Listener() {

			public void handleEvent(Event event) {
				System.err.println(cc.getDate().getTime());
			}
			
		});
	
		shell.open();

		while (!shell.isDisposed ()) {
			if (!display.readAndDispatch ()) display.sleep ();
		}
		display.dispose ();
	}