public static void main(String[] args) { final Display display = new Display(); final Shell shell = new Shell(display); shell.setText("Widget"); final Table table = new Table(shell, SWT.MULTI); table.setLinesVisible(true); table.setBounds(10, 10, 100, 100); for (int i = 0; i < 9; i++) { new TableItem(table, SWT.NONE).setText("item" + i); } Button button = new Button(shell, SWT.PUSH); button.setText("Capture"); button.pack(); button.setLocation(10, 140); button.addListener( SWT.Selection, event -> { Point tableSize = table.getSize(); GC gc = new GC(table); final Image image = new Image(display, tableSize.x, tableSize.y); gc.copyArea(image, 0, 0); gc.dispose(); Shell popup = new Shell(shell); popup.setText("Image"); popup.addListener(SWT.Close, e -> image.dispose()); Canvas canvas = new Canvas(popup, SWT.NONE); canvas.setBounds(10, 10, tableSize.x + 10, tableSize.y + 10); canvas.addPaintListener(e -> e.gc.drawImage(image, 0, 0)); popup.pack(); popup.open(); }); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); }
public static void main(String[] args) { final Display display = new Display(); final Shell shell = new Shell(display); final Button button = new Button(shell, SWT.NONE); button.setSize(100, 100); button.setText("Click"); shell.pack(); shell.open(); button.addListener( SWT.MouseDown, new Listener() { @Override public void handleEvent(Event e) { System.out.println( "Mouse Down (button: " + e.button + " x: " + e.x + " y: " + e.y + ")"); } }); final Point pt = display.map(shell, null, 50, 50); new Thread() { Event event; @Override public void run() { try { Thread.sleep(300); } catch (InterruptedException e) { } event = new Event(); event.type = SWT.MouseMove; event.x = pt.x; event.y = pt.y; display.post(event); try { Thread.sleep(300); } catch (InterruptedException e) { } event.type = SWT.MouseDown; event.button = 1; display.post(event); try { Thread.sleep(300); } catch (InterruptedException e) { } event.type = SWT.MouseUp; display.post(event); } }.start(); 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(2, false)); final Text text = new Text(shell, SWT.SEARCH | SWT.ICON_CANCEL); Image image = null; if ((text.getStyle() & SWT.ICON_CANCEL) == 0) { image = display.getSystemImage(SWT.ICON_ERROR); ToolBar toolBar = new ToolBar(shell, SWT.FLAT); ToolItem item = new ToolItem(toolBar, SWT.PUSH); item.setImage(image); item.addSelectionListener( new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { text.setText(""); System.out.println("Search cancelled"); } }); } text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); text.setText("Search text"); text.addSelectionListener( new SelectionAdapter() { @Override public void widgetDefaultSelected(SelectionEvent e) { if (e.detail == SWT.CANCEL) { System.out.println("Search cancelled"); } else { System.out.println("Searching for: " + text.getText() + "..."); } } }); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } if (image != null) image.dispose(); display.dispose(); }
public static void main(String[] args) { Display display = new Display(); Shell shell = new Shell(display); final Table table = new Table(shell, SWT.BORDER | SWT.MULTI); Rectangle clientArea = shell.getClientArea(); table.setBounds(clientArea.x, clientArea.y, 200, 200); for (int i = 0; i < 128; i++) { TableItem item = new TableItem(table, SWT.NONE); item.setText("Item " + i); } Menu menu = new Menu(shell, SWT.POP_UP); table.setMenu(menu); MenuItem item = new MenuItem(menu, SWT.PUSH); item.setText("Delete Selection"); item.addListener(SWT.Selection, event -> table.remove(table.getSelectionIndices())); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); }
public static void main(String[] args) { final ImageFileNameProvider filenameProvider = new ImageFileNameProvider() { @Override public String getImagePath(int zoom) { switch (zoom) { case 150: return IMAGE_PATH_150; case 200: return IMAGE_PATH_200; default: return IMAGE_PATH_100; } } }; final ImageDataProvider imageDataProvider = new ImageDataProvider() { @Override public ImageData getImageData(int zoom) { switch (zoom) { case 150: return new ImageData(IMAGE_PATH_150); case 200: return new ImageData(IMAGE_PATH_200); default: return new ImageData(IMAGE_PATH_100); } } }; final Display display = new Display(); final Shell shell = new Shell(display); shell.setLayout(new GridLayout(2, false)); new Label(shell, SWT.NONE).setText(IMAGE_200 + ":"); new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_200)); new Label(shell, SWT.NONE).setText(IMAGE_150 + ":"); new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_150)); new Label(shell, SWT.NONE).setText(IMAGE_100 + ":"); new Label(shell, SWT.NONE).setImage(new Image(display, IMAGE_PATH_100)); new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL) .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); new Label(shell, SWT.NONE).setText("ImageFileNameProvider:"); new Label(shell, SWT.NONE).setImage(new Image(display, filenameProvider)); new Label(shell, SWT.NONE).setText("ImageDataProvider:"); new Label(shell, SWT.NONE).setImage(new Image(display, imageDataProvider)); new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL) .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); new Label(shell, SWT.NONE).setText("Canvas\n(PaintListener)"); final Point size = new Point(550, 35); final Canvas canvas = new Canvas(shell, SWT.NONE); canvas.addPaintListener( new PaintListener() { @Override public void paintControl(PaintEvent e) { Point size = canvas.getSize(); paintImage(e.gc, size); } }); canvas.setLayoutData(new GridData(size.x, size.y)); new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL) .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); new Label(shell, SWT.NONE).setText("Painted image\n (default resolution)"); Image image = new Image(display, size.x, size.y); GC gc = new GC(image); try { paintImage(gc, size); } finally { gc.dispose(); } new Label(shell, SWT.NONE).setImage(image); new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL) .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); new Label(shell, SWT.NONE).setText("Painted image\n(multi-res, unzoomed paint)"); new Label(shell, SWT.NONE) .setImage( new Image( display, new ImageDataProvider() { @Override public ImageData getImageData(int zoom) { Image temp = new Image(display, size.x * zoom / 100, size.y * zoom / 100); GC gc = new GC(temp); try { paintImage(gc, size); return temp.getImageData(); } finally { gc.dispose(); temp.dispose(); } } })); new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL) .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); new Label(shell, SWT.NONE).setText("Painted image\n(multi-res, zoomed paint)"); new Label(shell, SWT.NONE) .setImage( new Image( display, new ImageDataProvider() { @Override public ImageData getImageData(int zoom) { Image temp = new Image(display, size.x * zoom / 100, size.y * zoom / 100); GC gc = new GC(temp); try { paintImage2( gc, new Point(size.x * zoom / 100, size.y * zoom / 100), zoom / 100); return temp.getImageData(); } finally { gc.dispose(); temp.dispose(); } } })); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); }
public static void main(String[] args) { final Display display = new Display(); final Clipboard clipboard = new Clipboard(display); final Shell shell = new Shell(display, SWT.SHELL_TRIM); shell.setLayout(new GridLayout()); shell.setText("Clipboard ImageTransfer"); final Button imageButton = new Button(shell, SWT.NONE); GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true); gd.minimumHeight = 400; gd.minimumWidth = 600; imageButton.setLayoutData(gd); final Text imageText = new Text(shell, SWT.BORDER); imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); Composite buttons = new Composite(shell, SWT.NONE); buttons.setLayout(new GridLayout(4, true)); Button button = new Button(buttons, SWT.PUSH); button.setText("Open"); button.addListener( SWT.Selection, event -> { FileDialog dialog = new FileDialog(shell, SWT.OPEN); dialog.setText("Open an image file or cancel"); String string = dialog.open(); if (string != null) { imageButton.setText(""); Image image = imageButton.getImage(); if (image != null) image.dispose(); image = new Image(display, string); imageButton.setImage(image); imageText.setText(string); } }); button = new Button(buttons, SWT.PUSH); button.setText("Copy"); button.addListener( SWT.Selection, event -> { Image image = imageButton.getImage(); if (image != null) { ImageTransfer imageTransfer = ImageTransfer.getInstance(); TextTransfer textTransfer = TextTransfer.getInstance(); clipboard.setContents( new Object[] {image.getImageData(), imageText.getText()}, new Transfer[] {imageTransfer, textTransfer}); } }); button = new Button(buttons, SWT.PUSH); button.setText("Paste"); button.addListener( SWT.Selection, event -> { ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance()); if (imageData != null) { imageButton.setText(""); Image image = imageButton.getImage(); if (image != null) image.dispose(); image = new Image(display, imageData); imageButton.setImage(image); } else { imageButton.setText("No image"); imageButton.setImage(null); } String text = (String) clipboard.getContents(TextTransfer.getInstance()); if (text != null) { imageText.setText(text); } else { imageText.setText(""); } }); button = new Button(buttons, SWT.PUSH); button.setText("Clear"); button.addListener( SWT.Selection, event -> { imageButton.setText(""); Image image = imageButton.getImage(); if (image != null) image.dispose(); imageButton.setImage(null); imageText.setText(""); }); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); }