application.cpp

Go to the documentation of this file.

#include "application.h"

void Application::focusFirst()
{
    currentWidget = currentScreen->next(currentScreen->first());
    currentWidget->dispatch(EVENT_FOCUS);
}

void Application::execute()
{
    bool esc = false;

    while (!esc)
    {
        int command = getch();
        Widget* previous = currentWidget;

        if (command != ERR)
        {
            switch(command)
            {
                case (KEY_UP):

                    currentWidget = currentScreen->previous(currentWidget);
                    previous->dispatch(EVENT_UNFOCUS);
                    currentWidget->dispatch(EVENT_FOCUS);
                    break;

                case (KEY_DOWN):

                    currentWidget = currentScreen->next(currentWidget);
                    previous->dispatch(EVENT_UNFOCUS);
                    currentWidget->dispatch(EVENT_FOCUS);
                    break;

                case (27):

                    esc = true;
                    break;
            }
        }
    }
}

void Application::load(char* name)
{
    history.push_back(currentScreen);
    currentScreen = screens[name];
    currentScreen->draw();
    focusFirst();
}

void Application::back()
{
    history.pop_back();
    currentScreen = *(std::prev(history.end(), 1));
    currentScreen->draw();
    focusFirst();
}

void Application::add(char* name, Screen* screen)
{
    screens.insert(std::pair<char*, Screen*>(name, screen));
}

Application& Application::instance()
{
    static Application app;
    return app;
}

Application::Application()
{}

Application& app = Application::instance();