X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fheader.cpp;h=7c68f302846b5b4f6d41b020abdef6c15f98df69;hp=8fe9d485b761c5874625836b1aa469669bf135ba;hb=d9aecf1fcd9af471db3b59de7efc65b9632a6d79;hpb=ed6f0f4f84a26aadacfd4d3a745a8d7f1094efc5 diff --git a/pv/view/header.cpp b/pv/view/header.cpp index 8fe9d48..7c68f30 100644 --- a/pv/view/header.cpp +++ b/pv/view/header.cpp @@ -21,68 +21,283 @@ #include "header.h" #include "view.h" -#include "../signal.h" +#include "signal.h" #include "../sigsession.h" #include -#include - +#include +#include #include #include #include -using namespace boost; -using namespace std; +#include + +using boost::shared_ptr; +using std::max; +using std::make_pair; +using std::pair; +using std::vector; namespace pv { namespace view { +const int Header::Padding = 12; + Header::Header(View &parent) : - QWidget(&parent), - _view(parent) + MarginWidget(parent), + _dragging(false) { + setFocusPolicy(Qt::ClickFocus); setMouseTracking(true); + + connect(&_view.session(), SIGNAL(signals_changed()), + this, SLOT(on_signals_changed())); + + connect(&_view, SIGNAL(signals_moved()), + this, SLOT(on_signals_moved())); + + // Trigger the initial event manually. The default device has signals + // which were created before this object came into being + on_signals_changed(); +} + +QSize Header::sizeHint() const +{ + int max_width = 0; + + const vector< shared_ptr > traces(_view.get_traces()); + for (shared_ptr t : traces) { + assert(t); + + if (t->enabled()) { + max_width = max(max_width, (int)t->get_label_rect(0).width()); + } + } + + return QSize(max_width + Padding, 0); +} + +shared_ptr Header::get_mouse_over_trace(const QPoint &pt) +{ + const int w = width(); + const vector< shared_ptr > traces(_view.get_traces()); + + for (const shared_ptr t : traces) + { + assert(t); + if (t->pt_in_label_rect(0, w, pt)) + return t; + } + + return shared_ptr(); } -void Header::paintEvent(QPaintEvent *event) +void Header::clear_selection() +{ + const vector< shared_ptr > traces(_view.get_traces()); + for (const shared_ptr t : traces) { + assert(t); + t->select(false); + } + + update(); +} + +void Header::paintEvent(QPaintEvent*) { const int w = width(); - const vector< shared_ptr > &sigs = - _view.session().get_signals(); + const vector< shared_ptr > traces(_view.get_traces()); QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing); - int offset = -_view.v_offset(); - BOOST_FOREACH(const shared_ptr s, sigs) + const bool dragging = !_drag_traces.empty(); + for (const shared_ptr t : traces) { - assert(s); + assert(t); - const QRect signal_heading_rect( - 0, offset, w, View::SignalHeight); + const bool highlight = !dragging && t->pt_in_label_rect( + 0, w, _mouse_point); + t->paint_label(painter, w, highlight); + } - s->paint_label(painter, signal_heading_rect, - s->pt_in_label_rect(signal_heading_rect, _mouse_point)); + painter.end(); +} - offset += View::SignalHeight; +void Header::mousePressEvent(QMouseEvent *event) +{ + assert(event); + + const vector< shared_ptr > traces(_view.get_traces()); + + if (event->button() & Qt::LeftButton) { + _mouse_down_point = event->pos(); + + // Save the offsets of any signals which will be dragged + for (const shared_ptr t : traces) + if (t->selected()) + _drag_traces.push_back( + make_pair(t, t->get_v_offset())); } - painter.end(); + // Select the signal if it has been clicked + const shared_ptr mouse_over_trace = + get_mouse_over_trace(event->pos()); + if (mouse_over_trace) { + if (mouse_over_trace->selected()) + mouse_over_trace->select(false); + else { + mouse_over_trace->select(true); + + if (~QApplication::keyboardModifiers() & + Qt::ControlModifier) + _drag_traces.clear(); + + // Add the signal to the drag list + if (event->button() & Qt::LeftButton) + _drag_traces.push_back( + make_pair(mouse_over_trace, + mouse_over_trace->get_v_offset())); + } + } + + if (~QApplication::keyboardModifiers() & Qt::ControlModifier) { + // Unselect all other signals because the Ctrl is not + // pressed + for (const shared_ptr t : traces) + if (t != mouse_over_trace) + t->select(false); + } + + selection_changed(); + update(); +} + +void Header::mouseReleaseEvent(QMouseEvent *event) +{ + using pv::widgets::Popup; + + assert(event); + if (event->button() == Qt::LeftButton) { + if (_dragging) + _view.normalize_layout(); + else + { + const shared_ptr mouse_over_trace = + get_mouse_over_trace(event->pos()); + if (mouse_over_trace) { + Popup *const p = + mouse_over_trace->create_popup(&_view); + p->set_position(mapToGlobal(QPoint(width(), + mouse_over_trace->get_y())), + Popup::Right); + p->show(); + } + } + + _dragging = false; + _drag_traces.clear(); + } } void Header::mouseMoveEvent(QMouseEvent *event) { assert(event); _mouse_point = event->pos(); + + if (!(event->buttons() & Qt::LeftButton)) + return; + + if ((event->pos() - _mouse_down_point).manhattanLength() < + QApplication::startDragDistance()) + return; + + // Move the signals if we are dragging + if (!_drag_traces.empty()) + { + _dragging = true; + + const int delta = event->pos().y() - _mouse_down_point.y(); + + for (auto i = _drag_traces.begin(); i != _drag_traces.end(); i++) { + const boost::shared_ptr trace((*i).first); + if (trace) { + const int y = (*i).second + delta; + const int y_snap = + ((y + View::SignalSnapGridSize / 2) / + View::SignalSnapGridSize) * + View::SignalSnapGridSize; + trace->set_v_offset(y_snap); + + // Ensure the trace is selected + trace->select(); + } + + } + + signals_moved(); + } + update(); } -void Header::leaveEvent(QEvent *event) +void Header::leaveEvent(QEvent*) { _mouse_point = QPoint(-1, -1); update(); } +void Header::contextMenuEvent(QContextMenuEvent *event) +{ + const shared_ptr t = get_mouse_over_trace(_mouse_point); + + if (t) + t->create_context_menu(this)->exec(event->globalPos()); +} + +void Header::keyPressEvent(QKeyEvent *e) +{ + assert(e); + + switch (e->key()) + { + case Qt::Key_Delete: + { + const vector< shared_ptr > traces(_view.get_traces()); + for (const shared_ptr t : traces) + if (t->selected()) + t->delete_pressed(); + break; + } + } +} + +void Header::on_signals_changed() +{ + const vector< shared_ptr > traces(_view.get_traces()); + for (shared_ptr t : traces) { + assert(t); + connect(t.get(), SIGNAL(visibility_changed()), + this, SLOT(on_trace_changed())); + connect(t.get(), SIGNAL(text_changed()), + this, SLOT(on_trace_changed())); + connect(t.get(), SIGNAL(colour_changed()), + this, SLOT(update())); + } +} + +void Header::on_signals_moved() +{ + update(); +} + +void Header::on_trace_changed() +{ + update(); + geometry_updated(); +} + } // namespace view } // namespace pv