• Understand hello.cxx (use this Makefile).
• Look at the tutorial
  • Buttons and in particular Fl_Button
  • Fl_Widget
  • Callback
  • Fl_Output
• Create pressMe.cxx. whenever the button is pressed, "Button Pressed" is printed out on the console.
• Create hiBye.cxx. Each time the button is pressed, the text box flips from Hi to Bye. It initially starts out at Hi.
• Create isPrime.cxx. Put in a number, in the left text box, press the button and the right text box says Yes or No depending on whether the number is prime.
• Now recreate IsPrime using fluid. step by step fluidTutorial.tar.gz