For a really RAD solution you can use
- fpGUI
- https://sourceforge.net/projects/fpgui/
- http://www.turbocontrol.com/easyfpgui.htm
- http://www.turbocontrol.com/embeddedfreepascal.htm
- CodeTyphon
- http://www.pilotlogic.com/sitejoom/index.php/gallery
- http://www.pilotlogic.com/codetyphon/help/codetyphon_current_status.htm
- http://www.pilotlogic.com/sitejoom/index.php/codetyphon
- http://www.pilotlogic.com/codetyphon/help/layers_and_areas.htm