Insert widgets into a grid layout
/*
* GridLayout example snippet: insert widgets into a grid layout
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
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 Snippet6 {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.setLayout(new GridLayout());
final Composite c = new Composite(shell, SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 3;
c.setLayout(layout);
for (int i = 0; i < 10; i++) {
Button b = new Button(c, SWT.PUSH);
b.setText("Button " + i);
}
Button b = new Button(shell, SWT.PUSH);
b.setText("add a new button at row 2 column 1");
final int[] index = new int[1];
b.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event e) {
Button s = new Button(c, SWT.PUSH);
s.setText("Special " + index[0]);
index[0]++;
Control[] children = c.getChildren();
s.moveAbove(children[3]);
shell.layout(new Control[] { s });
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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