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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 FontMetricsCharWidth {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
Text text = new Text(shell, SWT.NONE);
GC gc = new GC(text);
FontMetrics fm = gc.getFontMetrics();
int charWidth = fm.getAverageCharWidth();
int width = text.computeSize(charWidth * 8, SWT.DEFAULT).x;
gc.dispose();
System.out.println(width);
shell.isDisposed();
display.dispose();
}
}
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