TaskDialog.hh

#ifndef VTESTBED_GUI_TASKDIALOG_HH
#define VTESTBED_GUI_TASKDIALOG_HH

#include <string>

#include <vtestbed/gui/Task.hh>

namespace vtb {

    namespace gui {

        class TaskDialog {

        private:
            enum struct State {
                Initial,
                Running,
                Error
            };

        private:
            Task _task;
            std::string _title, _errorText;
            State _state = State::Initial;
            bool _visible = false;
            bool _open = false;

        public:

            inline void
            title(const std::string& rhs) {
                this->_title = rhs;
            }

            inline void
            error(const std::string& message) {
                this->_state = State::Error;
                this->_errorText = message;
            }

            inline void
            visible(bool b) {
                this->_visible = b;
            }

            inline bool
            visible() const {
                return this->_visible;
            }

            inline bool
            invisible() const {
                return !this->_visible;
            }

            bool
            draw();

            template <class Function>
            void
            run(Function func) {
                this->_state = State::Running;
                this->_visible = true;
                this->_task.run(func);
            }

            inline void open() { this->_open = true; }

        };

    }

}

#endif // vim:filetype=cpp