import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class CanvasControlAdd {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Canvas Example");
shell.setLayout(new FillLayout());
Canvas canvas = new Canvas(shell, SWT.NONE);
Button button = new Button(canvas, SWT.PUSH);
button.setBounds(10, 10, 300, 40);
button.setText("You can place widgets on a canvas");
canvas.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
Rectangle rect = ((Canvas) e.widget).getBounds();
e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_RED));
e.gc.drawFocus(5, 5, rect.width - 10, rect.height - 10);
e.gc.drawText("You can draw text directly on a canvas", 60, 60);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}