Shows how to create a value input with Fl_Value_Input valuator.
To build this project, open "Terminal" and type following lines:
mkdir build && cd build
cmake ..
start Value_Input.sln
Select Value_Input project and type Ctrl+F5 to build and run it.
mkdir build && cd build
cmake .. -G "Xcode"
open ./Value_Input.xcodeproj
Select Value_Input project and type Cmd+R to build and run it.
mkdir build && cd build
cmake ..
cmake --build . --config Debug
./Value_Input