Mercurial > projects > dwt2
view org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet111.d @ 44:ed96ea2a2764
First swt win snippets are buiding with d2+phobos
author | Frank Benoit <benoit@tionex.de> |
---|---|
date | Wed, 25 Mar 2009 18:31:01 +0100 |
parents | 69b1fa94a4a8 |
children |
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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 * D Port: * Bill Baxter <wbaxter@gmail.com> *******************************************************************************/ module org.eclipse.swt.snippets.Snippet111; /* * TreeEditor example snippet: edit the text of a tree item (in place, fancy) * * For a list of all SWT example snippets see * http://www.eclipse.org/swt/snippets/ */ import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Widget; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Tree; import org.eclipse.swt.widgets.TreeItem; import org.eclipse.swt.widgets.Text; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.custom.TreeEditor; import java.lang.all; version(JIVE){ import jive.stacktrace; } void main () { Tree tree; Color black; void handleResize (Event e, Composite composite, Text text, int inset ) { Rectangle rect = composite.getClientArea (); text.setBounds (rect.x + inset, rect.y + inset, rect.width - inset * 2, rect.height - inset * 2); } void handleTextEvent (Event e, Composite composite, TreeItem item, TreeEditor editor,Text text, int inset ) { switch (e.type) { case SWT.FocusOut: { item.setText (text.getText ()); composite.dispose (); } break; case SWT.Verify: { String newText = text.getText (); String leftText = newText.substring (0, e.start); String rightText = newText.substring (e.end, newText.length); GC gc = new GC (text); Point size = gc.textExtent (leftText ~ e.text ~ rightText); gc.dispose (); size = text.computeSize (size.x, SWT.DEFAULT); editor.horizontalAlignment = SWT.LEFT; Rectangle itemRect = item.getBounds (), rect = tree.getClientArea (); editor.minimumWidth = Math.max (size.x, itemRect.width) + inset* 2; int left = itemRect.x, right = rect.x + rect.width; editor.minimumWidth = Math.min (editor.minimumWidth, right - left); editor.minimumHeight = size.y + inset* 2; editor.layout (); } break; case SWT.Traverse: { switch (e.detail) { case SWT.TRAVERSE_RETURN: item.setText (text.getText ()); //FALL THROUGH case SWT.TRAVERSE_ESCAPE: composite.dispose (); e.doit = false; default: //no-op } break; } default: // no-op } } void handleSelection (Event event, TreeItem[] lastItem, TreeEditor editor ) { TreeItem item = cast(TreeItem) event.item; if (item !is null && item is lastItem [0]) { bool showBorder = true; Composite composite = new Composite (tree, SWT.NONE); if (showBorder) composite.setBackground (black); Text text = new Text (composite, SWT.NONE); int inset = showBorder ? 1 : 0; composite.addListener (SWT.Resize, dgListener( &handleResize, composite, text, inset )); Listener textListener = dgListener( &handleTextEvent, composite, item, editor, text, inset); text.addListener (SWT.FocusOut, textListener); text.addListener (SWT.Traverse, textListener); text.addListener (SWT.Verify, textListener); editor.setEditor (composite, item); text.setText (item.getText ()); text.selectAll (); text.setFocus (); } lastItem [0] = item; } Display display = new Display (); black = display.getSystemColor (SWT.COLOR_BLACK); Shell shell = new Shell (display); shell.setLayout (new FillLayout ()); tree = new Tree (shell, SWT.BORDER); for (int i=0; i<16; i++) { TreeItem itemI = new TreeItem (tree, SWT.NONE); itemI.setText (Format("Item {}", i)); for (int j=0; j<16; j++) { TreeItem itemJ = new TreeItem (itemI, SWT.NONE); itemJ.setText ( Format("Item {}", j) ); } } TreeItem [] lastItem = new TreeItem [1]; TreeEditor editor = new TreeEditor (tree); tree.addListener (SWT.Selection, dgListener( &handleSelection, lastItem, editor )); shell.pack (); shell.open (); while (!shell.isDisposed()) { if (!display.readAndDispatch ()) display.sleep (); } display.dispose (); }