Shows how to create a float input with Fl_Float_Input widget.
To build this project, open "Terminal" and type following lines:
mkdir build && cd build
cmake ..
start Float_Input.slnSelect Float_Input project and type Ctrl+F5 to build and run it.
mkdir build && cd build
cmake .. -G "Xcode"
open ./Float_Input.xcodeprojSelect Float_Input project and type Cmd+R to build and run it.
mkdir build && cd build
cmake ..
cmake --build . --config Debug
./Float_Input