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