CursesUI.hpp

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#ifndef ORG_EEROS_UI_TUI_HPP_
#define ORG_EEROS_UI_TUI_HPP_

#include <atomic>
#include <deque>

#include <eeros/sequencer/Sequencer.hpp>
#include <eeros/core/Thread.hpp>

#define INPUT_TIMEOUT 50
#define MAX_NOF_COMMANDS 6
#define HEADER_LINES 3
#define FOOTER_LINES 2
#define STATUS_LINES 4
#define MESSAGE_LINES 6
#define MESSAGE_LINE_MAX_LENGTH 100

namespace eeros {
    namespace ui {
        
        class CursesUI : public eeros::Thread {
            
        public:
            enum State { idle, active, stopping, stopped };
            
            CursesUI(eeros::sequencer::Sequencer& sequencer);
            virtual ~CursesUI();
            
            virtual void dispay();
            virtual void exit();
            
            virtual void addMessage(std::string message);
            
        protected:
            virtual void run();
            
        private:
            eeros::sequencer::Sequencer& sequencer;
            eeros::sequencer::state::type cachedState;
            eeros::sequencer::mode::type cachedMode;
            std::atomic<bool> messageListUpdated;
            std::atomic<State> state;
            unsigned int headerStart;
            unsigned int sequenceListStart;
            unsigned int messageListStart;
            unsigned int statusStart;
            unsigned int commandListStart;
            unsigned int footerStart;
            std::deque<std::string> messageList;
            
            void initScreen();
            void updateScreen();
            void printTitle(std::string text, unsigned int line);
            void printHeader();
            void printFooter(std::string msg);
            void printSequenceList(unsigned int first);
            void printMessageList();
            void printMessage(std::string msg, unsigned int index);
            void printStatus();
            void printCommandList();
            void printCommand(std::string cmd, std::string description, bool active, unsigned int index);
            int promptForInt(std::string message);
//          double promptForDouble(std::string message);
//          bool promptConfirm(std::string message);
            
            bool checkCmdToggleIsActive();
            bool checkCmdAbortIsActive();
            bool checkCmdProceedIsActive();
            bool checkCmdChooseSeqIsActive();
            
            static unsigned int instanceCounter;
            
        }; // class TUI
    }; // namespace ui
}; // namespace eeros

#endif // ORG_EEROS_UI_TUI_HPP_