Mercurial > projects > dwt-samples
view snippets/styledtext/Snippet244.d @ 155:04d05db6dca4
styledtext: Snippet211, Snippet213, Snippet217, Snippet218, Snippet222, Snippet244
author | yidabu <yidabu@gmail.com> |
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date | Fri, 22 Aug 2008 07:27:56 +0800 |
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/******************************************************************************* * Copyright (c) 2000, 2004 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 * Port to the D programming language: * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ ) *******************************************************************************/ module styledtext.Snippet244; /* * StyledText snippet: Draw a box around text. * * For a list of all SWT example snippets see * http://www.eclipse.org/swt/snippets/ */ import dwt.DWT; import dwt.custom.StyledText; import dwt.custom.StyleRange; import dwt.layout.FillLayout; import dwt.widgets.Display; import dwt.widgets.Shell; import dwt.widgets.Listener; import dwt.widgets.Event; import dwt.graphics.Color; import dwt.graphics.Point; import dwt.dwthelper.utils; version(JIVE){ import jive.stacktrace; } void main() { static String SEARCH_STRING = "box"; Display display = new Display(); Color RED = display.getSystemColor(DWT.COLOR_RED); Shell shell = new Shell(display); shell.setBounds(10,10,250,250); StyledText text = new StyledText(shell, DWT.NONE); text.setBounds(10,10,200,200); void onPaint(Event event) { String contents = text.getText(); int stringWidth = event.gc.stringExtent(SEARCH_STRING).x; int lineHeight = text.getLineHeight(); event.gc.setForeground(RED); int index = contents.indexOf(SEARCH_STRING); while (index != -1) { Point topLeft = text.getLocationAtOffset(index); event.gc.drawRectangle(topLeft.x - 1, topLeft.y, stringWidth + 1, lineHeight - 1); index = contents.indexOf(SEARCH_STRING, index + 1); } } text.addListener(DWT.Paint, dgListener(&onPaint)); text.setText("This demonstrates drawing a box\naround every occurrence of the word\nbox in the StyledText"); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); }