Method windowGainedFocus

src/com/chschmid/jdotxt/gui/JdotxtGUI.java:231–234

(WindowEvent arg0)

			@Override
			public void windowLostFocus(WindowEvent arg0) { }
			@Override
			public void windowGainedFocus(WindowEvent arg0) {
				if (unresolvedFileModification && !reloadDialogVisible) showReloadDialog();
			}
		});
		
		// Add a listener to file modifications