Method mousePressEvent

DSView/pv/view/header.cpp:174–236

}

void Header::mousePressEvent(QMouseEvent *event)
{
	assert(event);

    _mouse_is_down = true;

    std::vector<Trace*> traces;
    _view.get_traces(ALL_VIEW, traces);
    int action;

    const bool instant = _view.session().is_instant();
    if (instant && _view.session().is_running_status()) {
        return;
    }

	if (event->button() & Qt::LeftButton) {
		_mouse_down_point = event->pos();

        // Save the offsets of any Traces which will be dragged
        for(auto t : traces){
            if (t->selected())
                _drag_traces.push_back(
                    make_pair(t, t->get_v_offset()));
        }

        // Select the Trace if it has been clicked
        const auto mTrace = get_mTrace(action, event->pos());
        if (action == Trace::COLOR && mTrace) {
            _colorFlag = true;
        }
        else if (action == Trace::NAME && mTrace) {
            _nameFlag = true;
        }
        else if (action == Trace::LABEL && mTrace) {
            mTrace->select(true);

            if (~QApplication::keyboardModifiers() & Qt::ControlModifier)
                _drag_traces.clear();
            
            _drag_traces.push_back(make_pair(mTrace, mTrace->get_zero_vpos()));
            mTrace->set_old_v_offset(mTrace->get_v_offset());
        }

        for(auto t : traces){
            if (t->signal_type() == SR_CHANNEL_LOGIC && _view.session().is_working()){
                // Disable set trigger from left pannel when capturing.
                break;
            }
            if (t->mouse_press(width(), event->pos()))
                break;
        }

        if (~QApplication::keyboardModifiers() & Qt::ControlModifier) {
            // Unselect all other Traces because the Ctrl is not
            // pressed
            for(auto t : traces){
                if (t != mTrace)
                    t->select(false);