Attachment 162200 Details for Bug 306067 – Snippet file

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Snippet file

SnippetShellDeactivate.java (text/x-java), 3.17 KB, created by Chih-Hung Chiang

on 2010-03-16 14:34:23 EDT

(hide)

Description:

Filename:

MIME Type:

Creator: Chih-Hung Chiang

Created: 2010-03-16 14:34:23 EDT

Size: 3.17 KB

patch

obsolete

>package org.eclipse.swt.snippets;
> 
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.DisposeEvent;
>import org.eclipse.swt.events.DisposeListener;
>import org.eclipse.swt.events.MouseAdapter;
>import org.eclipse.swt.events.MouseEvent;
>import org.eclipse.swt.events.SelectionAdapter;
>import org.eclipse.swt.events.SelectionEvent;
>import org.eclipse.swt.graphics.Device;
>import org.eclipse.swt.graphics.Point;
>import org.eclipse.swt.graphics.Rectangle;
>import org.eclipse.swt.layout.RowLayout;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Event;
>import org.eclipse.swt.widgets.Listener;
>import org.eclipse.swt.widgets.Shell;
>
>
>
>public class SnippetShellDeactivate {
>	static Display display = null;
>	static Shell shell = null;
>	static Button button = null;
>	static Shell dropDownShell = null;
>	
>	public static void main(String[] args) {
>		Device.DEBUG = true;
>		display = new Display();
>		shell = new Shell(display);		
>		shell.setLayout(new RowLayout());
>		
>		// create the drop down shell		
>		dropDownShell = new Shell(shell, SWT.ON_TOP | SWT.DROP_DOWN);
>		dropDownShell.setLayout(new RowLayout());
>		dropDownShell.setVisible(false);
>		dropDownShell.addListener(SWT.Deactivate, new Listener() {
>			public void handleEvent(Event event) {
>				System.out.println("dropDownShell entering Deactivate event handler and will hide the dropdown shell");
>				hideDropDown();
>			}
>		});
>		
>		dropDownShell.addListener(SWT.Close, new Listener() {
>			public void handleEvent(Event event) {
>				hideDropDown();
>			}
>		});
>		
>		
>		// create the button
>		button = new Button(shell, SWT.PUSH);
>		button.setText("Open");
>		button.addSelectionListener(new SelectionAdapter() {
>			public void widgetSelected(SelectionEvent e) {
>				if (!dropDownShell.isVisible()) {
>					System.out.println("Open button entering widgetSelected event handler and will show the dropdown shell");
>					showDropDown();
>				}
>			}			
>		});
>		
>		button.addMouseListener(new MouseAdapter() {
>
>			public void mouseDown(MouseEvent e) {	
>				System.out.println("Open button entering mouseDown event handler");
>				super.mouseDown(e);
>			}
>
>			public void mouseUp(MouseEvent e) {
>				System.out.println("Open button entering mouseUp event handler");
>				super.mouseUp(e);
>			}
>		});
>				
>		
>		shell.setSize(300, 300);
>		shell.addDisposeListener(new DisposeListener () {
>			public void widgetDisposed(DisposeEvent e) {
>				if (dropDownShell != null && !dropDownShell.isDisposed()) {
>					dropDownShell.dispose();
>					dropDownShell = null;
>				}
>			}
>		});
>		shell.open();
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>		display.dispose();
>	}
>	
>	private static void showDropDown() {
>		if (dropDownShell != null && !dropDownShell.isDisposed()) {
>			dropDownShell.setText("This is a drop down shell");
>			dropDownShell.setSize(100, 200);
>			Rectangle buttonRect = button.getBounds();
>			Point p = button.getParent().toDisplay(new Point(buttonRect.x, buttonRect.y + buttonRect.height));
>			dropDownShell.setLocation(p.x, p.y);
>			dropDownShell.setVisible(true);
>			dropDownShell.setFocus();
>		}		
>	}
>	
>	private static void hideDropDown() {
>		dropDownShell.setVisible(false);
>	}
>	
>}

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Attachments on bug 306067: 162200