Mercurial > projects > dwt2
diff org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet218.d @ 28:69b1fa94a4a8
Added SWT snippets
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 22 Mar 2009 15:17:04 +0100 |
parents | |
children | 4e5843b771cc |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet218.d Sun Mar 22 15:17:04 2009 +0100 @@ -0,0 +1,89 @@ +/******************************************************************************* + * 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 org.eclipse.swt.snippets.Snippet218; +/* + * SWT StyledText snippet: use gradient background. + * + * For a list of all SWT example snippets see + * http://www.eclipse.org/swt/snippets/ + * + * @since 3.2 + */ + +import org.eclipse.swt.SWT; +import org.eclipse.swt.custom.StyledText; +import org.eclipse.swt.custom.StyleRange; +import org.eclipse.swt.layout.FillLayout; +import org.eclipse.swt.widgets.Display; +import org.eclipse.swt.widgets.Shell; +import org.eclipse.swt.widgets.Event; +import org.eclipse.swt.widgets.Listener; +import org.eclipse.swt.graphics.FontData; +import org.eclipse.swt.graphics.Font; +import org.eclipse.swt.graphics.Rectangle; +import org.eclipse.swt.graphics.GC; +import org.eclipse.swt.graphics.Image; + +import java.lang.all; + +import Math = tango.math.Math; +version(JIVE){ + import jive.stacktrace; +} + +void main() { + static String text = "Plans do not materialize out of nowhere, nor are they entirely static. To ensure the planning process is " + "transparent and open to the entire Eclipse community, we (the Eclipse PMC) post plans in an embryonic " + "form and revise them throughout the release cycle. \n" + "The first part of the plan deals with the important matters of release deliverables, release milestones, target " + "operating environments, and release-to-release compatibility. These are all things that need to be clear for " + "any release, even if no features were to change. \n"; + static Image oldImage; + + + Display display = new Display(); + Shell shell = new Shell(display); + shell.setLayout(new FillLayout()); + StyledText styledText = new StyledText(shell, SWT.WRAP | DWT.BORDER); + styledText.setText(text); + FontData data = display.getSystemFont().getFontData()[0]; + Font font = new Font(display, data.getName(), 16f, SWT.BOLD); + styledText.setFont(font); + styledText.setForeground(display.getSystemColor (SWT.COLOR_BLUE)); + + void onResize (Event event) { + Rectangle rect = styledText.getClientArea (); + Image newImage = new Image (display, 1, Math.max (1, rect.height)); + GC gc = new GC (newImage); + gc.setForeground (display.getSystemColor (SWT.COLOR_WHITE)); + gc.setBackground (display.getSystemColor (SWT.COLOR_YELLOW)); + gc.fillGradientRectangle (rect.x, rect.y, 1, rect.height, true); + gc.dispose (); + styledText.setBackgroundImage (newImage); + if (oldImage !is null) oldImage.dispose (); + oldImage = newImage; + } + + styledText.addListener (SWT.Resize, dgListener(&onResize)); + + shell.setSize(700, 400); + shell.open(); + while (!shell.isDisposed()) { + if (!display.readAndDispatch()) + display.sleep(); + } + if (oldImage !is null) oldImage.dispose (); + font.dispose(); + display.dispose(); +}