Function indicatorThread

src/cb/src/indicator.cpp:38–171

}

void indicatorThread() {
    if (!is_tty.err || output_silent || progress_silent) return;

    bool hasFocus = true;

    makeTerminalRaw();

    fprintf(stderr, "\033[?25l"); // hide the cursor
    fflush(stderr);

    int columns = thisTerminalSize().columns;

    std::unique_lock<std::mutex> lock(m);

    auto start = std::chrono::steady_clock::now();

    bool readyToPollFocus = false;

    int step = 0;

    auto poll_focus = [&] {
        if (!readyToPollFocus) { // add a time duration check because on some slow systems over SSH, the reporting characters show up in the terminal
            if (std::chrono::steady_clock::now() - start > std::chrono::milliseconds(50))
                readyToPollFocus = true;
            else
                return;
            printf("\033[?1004h"); // enable focus tracking
            fflush(stdout);
        }
        std::array<char, 32> buf;
#if defined(_WIN32) || defined(_WIN64)
        DWORD bytesAvailable = 0;
        PeekNamedPipe(GetStdHandle(STD_INPUT_HANDLE), nullptr, 0, nullptr, &bytesAvailable, nullptr);
        if (bytesAvailable < 3) return;
#endif
        if (read(STDIN_FILENO, buf.data(), buf.size()) >= 3) {
            if (buf.at(0) == '\033' && buf.at(1) == '[' && buf.at(2) == 'I') hasFocus = true;
            if (buf.at(0) == '\033' && buf.at(1) == '[' && buf.at(2) == 'O') hasFocus = false;
        }
    };

    auto display_progress = [&](const auto& formattedNum, const std::string_view& actionText = doing_action[action]) {
        if (std::chrono::steady_clock::now() - start < std::chrono::milliseconds(500)) {
            cv.wait_for(lock, std::chrono::milliseconds(17), [&] { return progress_state != IndicatorState::Active; });
            return;
        }
        std::string progressBar;
        if (step < 40) {
            progressBar += repeatString("█", step);
            progressBar += repeatString("▒", 39 - step);
        } else {
            progressBar += repeatString("▒", step - 40);
            progressBar += repeatString("█", 39 - (step - 40));
        }
        std::string formattedSeconds = std::to_string(std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now() - start).count()) + "s";
        fprintf(stderr, working_message().data(), actionText.data(), formattedNum, formattedSeconds.data(), progressBar.data());
        fprintf(stderr, "\033]0;%s (%s) - Clipboard\007", actionText.data(), formattedNum); // set the terminal title
        fflush(stderr);