// Hook up the keyboard key.
QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));
// Hook up the keyboard key.
QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_1 + i), this);
connect(shortcut, &QShortcut::activated, bind(&MainWindow::channel_clicked, this, i));