view.cpp

#include "view.h"
 
WINDOW* View::win = nullptr;
 
View::View()
{
    if(!win)
    {
        B15F::abort("View::win not initialized, missing context");
    }
    getmaxyx(win, height, width); // init width and height
    keypad(win, TRUE);
}
 
View::~View()
{
}
 
void View::setWinContext(WINDOW* win)
{
    View::win = win;
}
 
WINDOW* View::getWinContext()
{
    return win;
}
 
// from: https://stackoverflow.com/a/37454181
std::vector<std::string> View::str_split(const std::string& str, const std::string delim)
{
    std::vector<std::string> tokens;
    size_t prev = 0, pos = 0;
    do
    {
        pos = str.find(delim, prev);
        if (pos == std::string::npos) pos = str.length();
        std::string token = str.substr(prev, pos-prev);
        if (!token.empty()) tokens.push_back(token);
        prev = pos + delim.length();
    }
    while (pos < str.length() && prev < str.length());
    return tokens;
}
 
 
void View::setTitle(std::string title)
{
    this->title = title;
}
 
void View::repaint()
{
    // get screen size
    struct winsize size;
    if (ioctl(0, TIOCGWINSZ, (char *) &size) < 0)
        throw std::runtime_error("TIOCGWINSZ error");
 
 
    start_x = floor((size.ws_col - width) / 2.);
    start_y = floor((size.ws_row - height) / 2.);
 
    curs_set(0); // hide cursor
    mvwin(win, start_y, start_x);
    clear();
    wclear(win);
 
    // generic draw
    box(win, 0, 0);
    int offset_x = (width - title.length()) / 2;
    mvwprintw(win, 1, offset_x, "%s", title.c_str());
 
    // specific draw
    draw();
 
    refresh();
    wrefresh(win);
}