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Diffstat (limited to 'examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet259.java')
-rw-r--r-- | examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet259.java | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet259.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet259.java deleted file mode 100644 index 7a5354e6b7..0000000000 --- a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet259.java +++ /dev/null @@ -1,144 +0,0 @@ -/******************************************************************************* - * 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 - *******************************************************************************/ -package org.eclipse.swt.snippets; - -/* - * Detect drag in a custom control - * - * For a list of all SWT example snippets see - * http://www.eclipse.org/swt/snippets/ - * - * @since 3.3 - */ -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.widgets.*; -import org.eclipse.swt.layout.*; - -public class Snippet259 { - -static class MyList extends Canvas { - int selection; - String [] items = new String [0]; - static final int INSET_X = 2; - static final int INSET_Y = 2; - -static int checkStyle (int style) { - style &= ~(SWT.H_SCROLL | SWT.V_SCROLL); - style |= SWT.NO_BACKGROUND | SWT.NO_REDRAW_RESIZE; - return style; -} - -public MyList (Composite parent, int style) { - super (parent, checkStyle (style)); - super.setDragDetect (false); - addMouseListener (new MouseAdapter () { - public void mouseDown (MouseEvent event) { - GC gc = new GC (MyList.this); - Rectangle client = getClientArea(); - int index = 0, x = client.x + INSET_X, y = client.y + INSET_Y; - while (index < items.length) { - Point pt = gc.stringExtent(items [index]); - Rectangle item = new Rectangle (x, y, pt.x, pt.y); - if (item.contains (event.x, event.y)) break; - y += pt.y; - if (!client.contains (x, y)) return; - index++; - } - gc.dispose (); - if (index == items.length || !client.contains (x, y)) { - return; - } - selection = index; - redraw (); - update (); - dragDetect (event); - } - }); - addPaintListener (new PaintListener () { - public void paintControl (PaintEvent event) { - GC gc = event.gc; - Color foreground = event.display.getSystemColor (SWT.COLOR_LIST_FOREGROUND); - Color background = event.display.getSystemColor (SWT.COLOR_LIST_BACKGROUND); - Color selectForeground = event.display.getSystemColor (SWT.COLOR_LIST_SELECTION_TEXT); - Color selectBackground = event.display.getSystemColor (SWT.COLOR_LIST_SELECTION); - gc.setForeground (foreground); - gc.setBackground (background); - MyList.this.drawBackground (gc, event.x, event.y, event.width, event.height); - int x = INSET_X, y = INSET_Y; - for (int i=0; i<items.length; i++) { - Point pt = gc.stringExtent(items [i]); - gc.setForeground (i == selection ? selectForeground : foreground); - gc.setBackground (i == selection ? selectBackground : background); - gc.drawString (items [i], x, y); - y += pt.y; - } - - } - }); -} - -public Point computeSize (int wHint, int hHint, boolean changed) { - GC gc = new GC (this); - int index = 0, width = 0, height = 0; - while (index < items.length) { - Point pt = gc.stringExtent(items [index]); - width = Math.max (width, pt.x); - height += pt.y; - index++; - } - gc.dispose (); - width += INSET_X * 2; - height += INSET_Y * 2; - Rectangle rect = computeTrim (0, 0, width, height); - return new Point (rect.width, rect.height); -} - -public String [] getItems () { - checkWidget (); - return items; -} - -public void setItems (String [] items) { - checkWidget (); - if (items == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); - this.items = items; - redraw (); -} -} - -public static void main (String [] args) { - Display display = new Display (); - Shell shell = new Shell (display); - shell.setLayout (new FillLayout ()); - MyList t1 = new MyList (shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); - t1.setItems (new String [] {"Some", "items", "in", "the", "list"}); - t1.addDragDetectListener (new DragDetectListener () { - public void dragDetected (DragDetectEvent event) { - System.out.println ("Drag started ..."); - } - }); - MyList t2 = new MyList (shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); - t2.setItems (new String [] {"Some", "items", "in", "another", "list"}); - t2.addDragDetectListener (new DragDetectListener () { - public void dragDetected (DragDetectEvent event) { - System.out.println ("Drag started ..."); - } - }); - shell.pack (); - shell.open (); - while (!shell.isDisposed ()) { - if (!display.readAndDispatch ()) display.sleep (); - } - display.dispose (); -} -}
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