Beispiel #1
0
void input_context::display_help()
{
    // Shamelessly stolen from help.cpp
    WINDOW *w_help = newwin(FULL_SCREEN_HEIGHT - 2, FULL_SCREEN_WIDTH - 2,
                            1 + (int)((TERMY > FULL_SCREEN_HEIGHT) ? (TERMY - FULL_SCREEN_HEIGHT) / 2 : 0),
                            1 + (int)((TERMX > FULL_SCREEN_WIDTH) ? (TERMX - FULL_SCREEN_WIDTH) / 2 : 0));

    werase(w_help);

    // Draw win header and borders
    draw_border(w_help, c_white);
    mvwprintz(w_help, 0, (FULL_SCREEN_WIDTH - utf8_width(_("Keybindings"))) / 2 - 1,
              c_ltred, " %s ", _("Keybindings"));
    mvwprintz(w_help, 1, 51, c_ltred, _("Unbound keys"));
    mvwprintz(w_help, 2, 51, c_ltgreen, _("Keybinding active only"));
    mvwprintz(w_help, 3, 51, c_ltgreen, _("on this screen"));
    mvwprintz(w_help, 4, 51, c_ltgray, _("Keybinding active globally"));

    // Clear the lines. Don't touch borders
    for (int i = 1; i < FULL_SCREEN_HEIGHT - 3; i++) {
        mvwprintz(w_help, i, 1, c_black, "                                               ");
    }

    for (int i = 0; i < registered_actions.size(); i++) {
        const std::string &action_id = registered_actions[i];
        if(action_id == "ANY_INPUT") {
            continue;
        }

        bool overwrite_default;
        const std::vector<input_event> &input_events = inp_mngr.get_input_for_action(action_id, category,
                &overwrite_default);

        nc_color col = input_events.size() ? c_white : c_ltred;
        mvwprintz(w_help, i, 3, col, "%s: ", inp_mngr.get_action_name(action_id).c_str());

        if (!input_events.size()) {
            mvwprintz(w_help, i, 30, c_ltred, _("Unbound!"));
        } else {
            // The color depends on whether this input draws from context-local or from
            // default settings. Default will be ltgray, overwrite will be ltgreen.
            col = overwrite_default ? c_ltgreen : c_ltgray;

            mvwprintz(w_help, i, 30, col, "%s", get_desc(action_id).c_str());
        }
    }
    wrefresh(w_help);
    refresh();

    long ch = getch();
    while (ch != 'q' && ch != 'Q' && ch != KEY_ESCAPE) {
        ch = getch();
    };

    werase(w_help);
    wrefresh(w_help);
    delwin(w_help);
}