Mercurial > projects > dwt-samples
view snippets/clipboard/Snippet282.d @ 117:8cdaac0dc743
Added more snippets from TomD
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 12 Jul 2008 20:09:06 +0200 |
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/******************************************************************************* * Copyright (c) 2007 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * D Port: * Thomas Demmer <t_demmer AT web DOT de> *******************************************************************************/ module clipboard.Snippets282; /* * Copy/paste image to/from clipboard. * * For a list of all SWT example snippets see * http://www.eclipse.org/swt/snippets/ */ import dwt.DWT; import dwt.dnd.Clipboard; import dwt.dnd.ImageTransfer; import dwt.dnd.Transfer; import dwt.graphics.Image; import dwt.graphics.ImageData; import dwt.layout.GridLayout; import dwt.layout.GridData; import dwt.widgets.Button; import dwt.widgets.Composite; import dwt.widgets.Display; import dwt.widgets.Event; import dwt.widgets.FileDialog; import dwt.widgets.Listener; import dwt.widgets.Shell; import dwt.dwthelper.utils; public static void main(String[] args) { Display display = new Display(); Clipboard clipboard = new Clipboard(display); Shell shell = new Shell(display, DWT.SHELL_TRIM); shell.setLayout(new GridLayout()); shell.setText("Clipboard ImageTransfer"); Button imageButton = new Button(shell, DWT.NONE ); GridData gd = new GridData(DWT.FILL, DWT.FILL, true, true); gd.minimumHeight = 400; gd.minimumWidth = 600; imageButton.setLayoutData(gd); Composite buttons = new Composite(shell, DWT.NONE); buttons.setLayout(new GridLayout(4, true)); Button button = new Button(buttons, DWT.PUSH); button.setText("Open"); button.addListener(DWT.Selection, new class() Listener { public void handleEvent(Event event) { FileDialog dialog = new FileDialog (shell, DWT.OPEN); dialog.setText("Open an image file or cancel"); String string = dialog.open (); if (string !is null) { Image image = imageButton.getImage(); if (image !is null) image.dispose(); image = new Image(display, string); imageButton.setImage(image); } } }); button = new Button(buttons, DWT.PUSH); button.setText("Copy"); button.addListener(DWT.Selection, new class() Listener { public void handleEvent(Event event) { Image image = imageButton.getImage(); if (image !is null) { ImageTransfer transfer = ImageTransfer.getInstance(); Transfer[] xfer = [ transfer ]; Object[] td = [ image.getImageData ]; clipboard.setContents(td,xfer); } } }); button = new Button(buttons, DWT.PUSH); button.setText("Paste"); button.addListener(DWT.Selection, new class() Listener { public void handleEvent(Event event) { ImageTransfer transfer = ImageTransfer.getInstance(); ImageData imageData = cast(ImageData)clipboard.getContents(transfer); if (imageData !is null) { imageButton.setText(""); Image image = imageButton.getImage(); if (image !is null) image.dispose(); image = new Image(display, imageData); imageButton.setImage(image); } else { imageButton.setText("No image"); } } }); button = new Button(buttons, DWT.PUSH); button.setText("Clear"); button.addListener(DWT.Selection, new class() Listener { public void handleEvent(Event event) { imageButton.setText(""); Image image = imageButton.getImage(); if (image !is null) image.dispose(); imageButton.setImage(null); } }); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); }