Attachment 21766 Details for Bug 19396 – Sample technique without flashing

Sample technique without flashing

ComboTest.java (text/plain), 4.69 KB, created by Chris Gross

on 2005-05-25 14:57:20 EDT

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Description:

Filename:

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Creator: Chris Gross

Created: 2005-05-25 14:57:20 EDT

Size: 4.69 KB

patch

obsolete

>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.MouseEvent;
>import org.eclipse.swt.events.MouseListener;
>import org.eclipse.swt.events.SelectionEvent;
>import org.eclipse.swt.events.SelectionListener;
>import org.eclipse.swt.events.ShellEvent;
>import org.eclipse.swt.events.ShellListener;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Label;
>import org.eclipse.swt.widgets.List;
>import org.eclipse.swt.widgets.Shell;
>
>public class ComboTest {
>    
>    MyPopup popup;
>
>    public static void main (String [] args) {
>        Display display = new Display();
>        Shell shell = new ComboTest().open(display);
>        // Event loop
>        while (shell != null && ! shell.isDisposed()) {
>            if (! display.readAndDispatch()) display.sleep();
>        }
>        // Cleanup
>        display.dispose();
>
>    }
>    
>    
>    public Shell open(Display d){
>        Shell shell = new Shell();
>        createPartControl(shell);
>       
>        shell.pack();
>        shell.open();
>        return shell;
>    }
>    
>    public void createPartControl(final Shell shell){
>        GridLayout gl = new GridLayout(2,false);
>        gl.marginHeight = 10;
>        gl.marginWidth = 10;
>        shell.setLayout(gl);
>        
>        final Label l = new Label(shell,SWT.NONE);
>        l.setText("Nothing Selected");
>        l.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
>        
>        final Button b = new Button(shell,SWT.ARROW | SWT.DOWN);
>    
>        
>        b.addSelectionListener(new SelectionListener(){
>            public void widgetSelected(SelectionEvent arg0) {
>                showPopup(shell,l);
>            }
>            public void widgetDefaultSelected(SelectionEvent arg0) {
>            }}
>        );
>        
>    }
>    
>    public void showPopup(Shell parentShell,Label l){
>        if (popup == null){
>            popup = new MyPopup(parentShell,l);
>        }
>        
>        popup.show(l);
>        
>    }
>    
>    
>    private class MyPopup {
>
>        Shell shell;
>        List list;
>        Shell parentShell;
>        Label label;
>        
>        public MyPopup(Shell arg0,Label arg1) {
>            shell = new Shell(arg0,SWT.TOOL);
>            
>            parentShell = arg0;
>            parentShell.addShellListener(new ShellListener(){
>                public void shellActivated(ShellEvent arg0) {
>                }
>                public void shellClosed(ShellEvent arg0) {
>                }
>                public void shellDeactivated(ShellEvent arg0) {
>                    if (!shell.isDisposed())
>                        Display.getCurrent().asyncExec(new Runnable(){
>                            public void run() {
>                                shell.setVisible(false);
>                            }}
>                        );                        
>                }
>                public void shellDeiconified(ShellEvent arg0) {
>                }
>                public void shellIconified(ShellEvent arg0) {
>                }}
>            );
>            
>            label = arg1;
>            
>            shell.setLayout(new FillLayout());
>            
>            list = new List(shell,SWT.NONE);
>            
>            list.addMouseListener(new MouseListener(){
>                public void mouseDoubleClick(MouseEvent arg0) {
>                }
>                public void mouseDown(MouseEvent arg0) {
>                    list.setCapture(false);
>                    parentShell.setActive();
>                    if (list.getBounds().contains(arg0.x,arg0.y)){
>                        try {
>                            Display.getCurrent().getThread().sleep(200);
>                        } catch (InterruptedException e) {
>                            // TODO Auto-generated catch block
>                            e.printStackTrace();
>                        }
>                        label.setText(list.getSelection()[0]);
>                    }
>                    shell.setVisible(false);
>                }
>                public void mouseUp(MouseEvent arg0) {
>                }}
>            );
>
>            
>            list.add("Item 1");
>            list.add("Item 2");
>            list.add("Item 3");
>            list.add("Item 4");
>            
>            shell.setSize(100,100);
>        }
>        
>        public void show(Label l) {
>            shell.setLocation(l.toDisplay(l.getLocation()));            
>            shell.setVisible(true);            
>            list.setCapture(true);
>            
>        }
>    
>    }
>}

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Attachments on bug 19396: 21766 | 46591