X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fheader.cpp;h=f3849fbe3f1db3ad3005a14273a1a00a9ea434ec;hp=aaa98ab85fb59ab6da9583ac277d758736850da3;hb=b781f8065271c6ce4b82f06f20dd37464f213d47;hpb=51e77110d4316fd0106f8306f5e1f0523c5bf7d7 diff --git a/pv/view/header.cpp b/pv/view/header.cpp index aaa98ab8..f3849fbe 100644 --- a/pv/view/header.cpp +++ b/pv/view/header.cpp @@ -21,50 +21,281 @@ #include "header.h" #include "view.h" -#include "../signal.h" +#include "signal.h" #include "../sigsession.h" -#include - -#include +#include +#include +#include +#include +#include #include #include -using namespace boost; -using namespace std; +#include + +using std::max; +using std::make_pair; +using std::pair; +using std::shared_ptr; +using std::stable_sort; +using std::vector; namespace pv { namespace view { +const int Header::Padding = 12; +const int Header::BaselineOffset = 5; + 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())); +} + +QSize Header::sizeHint() const +{ + QRectF max_rect(-Padding, 0, Padding, 0); + for (auto &i : _view) + if (i->enabled()) + max_rect = max_rect.united(i->label_rect(0)); + return QSize(max_rect.width() + Padding + BaselineOffset, 0); +} + +shared_ptr Header::get_mouse_over_row_item(const QPoint &pt) +{ + const int w = width() - BaselineOffset; + for (auto &i : _view) + if (i->enabled() && i->label_rect(w).contains(pt)) + return i; + return shared_ptr(); +} + +void Header::clear_selection() +{ + for (auto &i : _view) + i->select(false); + update(); +} + +void Header::show_popup(const shared_ptr &item) { + using pv::widgets::Popup; + + Popup *const p = item->create_popup(&_view); + if (!p) + return; + + const QPoint pt(width() - BaselineOffset, item->get_y()); + p->set_position(mapToGlobal(pt), Popup::Right); + p->show(); } -void Header::paintEvent(QPaintEvent *event) +void Header::paintEvent(QPaintEvent*) { - const int w = width(); - const vector< shared_ptr > &sigs = - _view.session().get_signals(); + // The trace labels are not drawn with the arrows exactly on the + // left edge of the widget, because then the selection shadow + // would be clipped away. + const int w = width() - BaselineOffset; + + vector< shared_ptr > row_items( + _view.begin(), _view.end()); + + stable_sort(row_items.begin(), row_items.end(), + [](const shared_ptr &a, const shared_ptr &b) { + return a->v_offset() < b->v_offset(); }); QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing); - int offset = -_view.v_offset(); - BOOST_FOREACH(const shared_ptr s, sigs) + const bool dragging = !_drag_row_items.empty(); + for (const shared_ptr r : row_items) { - assert(s); - - const QRect label_rect(0, offset, w, View::SignalHeight); - s->paint_label(painter, label_rect); + assert(r); - offset += View::SignalHeight; + const bool highlight = !dragging && + r->label_rect(w).contains(_mouse_point); + r->paint_label(painter, w, highlight); } painter.end(); } +void Header::mousePressEvent(QMouseEvent *event) +{ + assert(event); + + if (event->button() & Qt::LeftButton) { + _mouse_down_point = event->pos(); + + // Save the offsets of any signals which will be dragged + for (const shared_ptr r : _view) + if (r->selected()) + _drag_row_items.push_back( + make_pair(r, r->v_offset())); + } + + // Select the signal if it has been clicked + const shared_ptr mouse_over_row_item = + get_mouse_over_row_item(event->pos()); + if (mouse_over_row_item) { + if (mouse_over_row_item->selected()) + mouse_over_row_item->select(false); + else { + mouse_over_row_item->select(true); + + if (~QApplication::keyboardModifiers() & + Qt::ControlModifier) + _drag_row_items.clear(); + + // Add the signal to the drag list + if (event->button() & Qt::LeftButton) + _drag_row_items.push_back( + make_pair(mouse_over_row_item, + mouse_over_row_item->v_offset())); + } + } + + if (~QApplication::keyboardModifiers() & Qt::ControlModifier) { + // Unselect all other signals because the Ctrl is not + // pressed + for (const shared_ptr r : _view) + if (r != mouse_over_row_item) + r->select(false); + } + + selection_changed(); + update(); +} + +void Header::mouseReleaseEvent(QMouseEvent *event) +{ + assert(event); + if (event->button() == Qt::LeftButton) { + if (_dragging) + _view.normalize_layout(); + else + { + const shared_ptr mouse_over_row_item = + get_mouse_over_row_item(event->pos()); + if (mouse_over_row_item) + show_popup(mouse_over_row_item); + } + + _dragging = false; + _drag_row_items.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_row_items.empty()) + { + _dragging = true; + + const int delta = event->pos().y() - _mouse_down_point.y(); + + for (auto i = _drag_row_items.begin(); + i != _drag_row_items.end(); i++) { + const std::shared_ptr row_item((*i).first); + if (row_item) { + const int y = (*i).second + delta; + const int y_snap = + ((y + View::SignalSnapGridSize / 2) / + View::SignalSnapGridSize) * + View::SignalSnapGridSize; + row_item->set_v_offset(y_snap); + + // Ensure the trace is selected + row_item->select(); + } + + } + + signals_moved(); + } + + update(); +} + +void Header::leaveEvent(QEvent*) +{ + _mouse_point = QPoint(-1, -1); + update(); +} + +void Header::contextMenuEvent(QContextMenuEvent *event) +{ + const shared_ptr r = get_mouse_over_row_item(_mouse_point); + if (!r) + return; + + QMenu *const menu = r->create_context_menu(this); + if (!menu) + return; + + menu->exec(event->globalPos()); +} + +void Header::keyPressEvent(QKeyEvent *e) +{ + assert(e); + + switch (e->key()) + { + case Qt::Key_Delete: + { + for (const shared_ptr r : _view) + if (r->selected()) + r->delete_pressed(); + break; + } + } +} + +void Header::on_signals_changed() +{ + for (shared_ptr r : _view) { + assert(r); + connect(r.get(), SIGNAL(visibility_changed()), + this, SLOT(on_trace_changed())); + connect(r.get(), SIGNAL(text_changed()), + this, SLOT(on_trace_changed())); + connect(r.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