Resize a text control (show about 10 characters)



/*
 * Text example snippet: resize a text control (show about 10 characters)
 *
 * 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.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class Snippet55 {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Text text = new Text(shell, SWT.BORDER);
    int columns = 10;
    GC gc = new GC(text);
    FontMetrics fm = gc.getFontMetrics();
    int width = columns * fm.getAverageCharWidth();
    int height = fm.getHeight();
    gc.dispose();
    text.setSize(text.computeSize(width, height));
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

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Resize a text control (show about 10 characters) : Text « SWT JFace Eclipse « Java

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