Bug 37253 [Dialogs] Font to text control of InputDialog is not set
Look at org.eclipse.jface.dialogs.InputDialog.createDialogArea()
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/InputDialog.java
* @param dialogTitle the dialog title, or <code>null</code> if none
 * @param dialogMessage the dialog message, or <code>null</code> if none
 * @param initialValue the initial input value, or <code>null</code> if none
 *  (equivalent to the empty string)
 * @param validator an input validator, or <code>null</code> if none
 */
public InputDialog(Shell parentShell, String dialogTitle, String dialogMessage, String initialValue, IInputValidator validator) {
	super(parentShell);
	this.title = dialogTitle;
	message = dialogMessage;
	if (initialValue == null)
		value = "";
	else
		value = initialValue;
	this.validator = validator;
}
/* (non-Javadoc)
 * Method declared on Dialog.
 */
protected void buttonPressed(int buttonId) {
	if (buttonId == IDialogConstants.OK_ID) {
		value= text.getText();
	} else {
		value= null;
	}
	super.buttonPressed(buttonId);
}
/* (non-Javadoc)
 * Method declared in Window.
 */