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