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Re: SWT browser in Swing JPanel

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  Re: SWT browser in Swing JPanel nirp0109@gmail.com - 2018-03-14 07:30 -0700

#38180 — Re: SWT browser in Swing JPanel

בתאריך יום שישי, 15 בפברואר 2008 בשעה 16:45:19 UTC+2, מאת Jorge:
> Hi all,
> 
> I am trying to use SWT_AWT bridge to embed the SWT browser in a swing
> JPanel.
> 
> I am able to do such thing when I embed the SWT shell in a Canvas
> within a Frame, but it does not work when I embed the Canvas in a
> hierarchy of JPanels.
> 
> Here is my example code:
> 
> /**********/
> import java.awt.BorderLayout;
> import java.awt.Canvas;
> 
> import javax.swing.JFrame;
> import javax.swing.JPanel;
> 
> import org.eclipse.swt.SWT;
> import org.eclipse.swt.awt.SWT_AWT;
> import org.eclipse.swt.browser.Browser;
> import org.eclipse.swt.events.SelectionAdapter;
> import org.eclipse.swt.events.SelectionEvent;
> import org.eclipse.swt.graphics.Color;
> import org.eclipse.swt.layout.FormAttachment;
> import org.eclipse.swt.layout.FormData;
> import org.eclipse.swt.layout.FormLayout;
> import org.eclipse.swt.layout.GridData;
> import org.eclipse.swt.layout.GridLayout;
> import org.eclipse.swt.widgets.Button;
> import org.eclipse.swt.widgets.Composite;
> import org.eclipse.swt.widgets.Display;
> import org.eclipse.swt.widgets.Shell;
> import org.eclipse.swt.widgets.Text;
> 
> public class BrowserinSwingPanel {
> 
>   public static void main(String[] a) {
> System.setProperty ( "sun.awt.xembedserver", "true" );
> 	JFrame frame = new JFrame("SWING browser"); // java.awt.Frame
> 	JPanel panel = new JPanel();
> 	JPanel panel2 = new JPanel();
> 	JPanel panel3 = new JPanel();
> 	Canvas canvas = new Canvas(); // java.awt.Canvas
> 
> 	panel.add(panel2, BorderLayout.CENTER);
> 	panel2.add(panel3, BorderLayout.CENTER);
> 	panel3.add(canvas, BorderLayout.CENTER);
> 	frame.add (panel, BorderLayout.CENTER );
> 	panel.setBackground ( new java.awt.Color(78978979) );
> 	panel3.setBackground ( new java.awt.Color(453) );
> 	canvas.setBackground ( new java.awt.Color(2134324) );
> 	// invoke the AWT frame rendering by making the frame visible
> 	// This starts the EDT
> 	panel3.setVisible(true);
> 	panel2.setVisible(true);
> 	panel.setVisible ( true );
> 	frame.setVisible(true);
> 	frame.setBounds ( 0, 0, 500, 500 );
> 	 canvas.setBounds ( 0,0,400,400 );
> 
> 	final Display display = new Display(); // display object to manage
> SWT lifecycle.
> 	final Shell shell = SWT_AWT.new_Shell(display, canvas);
> 
>     shell.setSize(400, 400);
> 
>     shell.setLayout(new FormLayout());
>     shell.setBackground ( new Color(display,255,0,0) );
>     Composite controls = new Composite(shell, SWT.NONE);
>     FormData data = new FormData();
>     data.top = new FormAttachment(0, 0);
>     data.left = new FormAttachment(0, 0);
>     data.right = new FormAttachment(100, 0);
>     controls.setLayoutData(data);
> 
>     final Browser browser = new Browser(shell, SWT.MOZILLA);
>     browser.setLayoutData(new GridData(GridData.FILL_BOTH));
> 
>     data = new FormData();
>     data.top = new FormAttachment(controls);
>     data.bottom = new FormAttachment(100, 0);
>     data.left = new FormAttachment(0, 0);
>     data.right = new FormAttachment(100, 0);
>     browser.setLayoutData(data);
> 
>     controls.setLayout(new GridLayout(6, false));
> 
>     Button button = new Button(controls, SWT.PUSH);
>     button.setText("Back");
>     button.addSelectionListener(new SelectionAdapter() {
>       public void widgetSelected(SelectionEvent event) {
>         browser.back();
>       }
>     });
> 
>     button = new Button(controls, SWT.PUSH);
>     button.setText("Forward");
>     button.addSelectionListener(new SelectionAdapter() {
>       public void widgetSelected(SelectionEvent event) {
>         browser.forward();
>       }
>     });
> 
>     button = new Button(controls, SWT.PUSH);
>     button.setText("Refresh");
>     button.addSelectionListener(new SelectionAdapter() {
>       public void widgetSelected(SelectionEvent event) {
>         browser.refresh();
>       }
>     });
> 
>     button = new Button(controls, SWT.PUSH);
>     button.setText("Stop");
>     button.addSelectionListener(new SelectionAdapter() {
>       public void widgetSelected(SelectionEvent event) {
>         browser.stop();
>       }
>     });
> 
>     final Text url = new Text(controls, SWT.BORDER);
>     url.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
>     url.setFocus();
> 
>     button = new Button(controls, SWT.PUSH);
>     button.setText("Go");
>     button.addSelectionListener(new SelectionAdapter() {
>       public void widgetSelected(SelectionEvent event) {
>         browser.setUrl(url.getText());
>       }
>     });
> 
>     shell.setDefaultButton(button);
> 
>     browser.setUrl ( "www.google.com" );
> 
>     shell.open();
>     while (!shell.isDisposed()) {
>       if (!display.readAndDispatch())
>         display.sleep();
>     }
>     display.dispose();
>   }
> }
> 
> /*********/
> 
> Does anyone know if it is possible? Because the code does not fail,
> but the browser is not displayed at all although the Shell is
> displayed.
> 
> Any ideas would be very appreciated.
> 
> Thanks!

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