X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fheader.cpp;h=c94e2d613d2ef7c25f9b5319a93d133c9e30f866;hb=448a72cf7f0225eace2335ec05b979c4e9a6b882;hp=50eefc43cd765b1d0a300fb7fb622549b94044c8;hpb=376219314d9f1a792aa6a7ecf44314ba3422880d;p=pulseview.git diff --git a/pv/view/header.cpp b/pv/view/header.cpp index 50eefc43..c94e2d61 100644 --- a/pv/view/header.cpp +++ b/pv/view/header.cpp @@ -55,22 +55,17 @@ Header::Header(View &parent) : 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 { - int max_width = 0; - + QRectF max_rect(-Padding, 0, Padding, 0); for (auto &i : _view) if (i->enabled()) - max_width = max(max_width, (int)i->label_rect(0).width()); - - return QSize(max_width + Padding + BaselineOffset, 0); + 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) @@ -97,7 +92,7 @@ void Header::show_popup(const shared_ptr &item) if (!p) return; - const QPoint pt(width() - BaselineOffset, item->get_y()); + const QPoint pt(width() - BaselineOffset, item->get_visual_y()); p->set_position(mapToGlobal(pt), Popup::Right); p->show(); } @@ -114,17 +109,16 @@ void Header::paintEvent(QPaintEvent*) stable_sort(row_items.begin(), row_items.end(), [](const shared_ptr &a, const shared_ptr &b) { - return a->v_offset() < b->v_offset(); }); + return a->visual_v_offset() < b->visual_v_offset(); }); QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing); - const bool dragging = !_drag_row_items.empty(); for (const shared_ptr r : row_items) { assert(r); - const bool highlight = !dragging && + const bool highlight = !_dragging && r->label_rect(w).contains(_mouse_point); r->paint_label(painter, w, highlight); } @@ -132,70 +126,85 @@ void Header::paintEvent(QPaintEvent*) painter.end(); } +void Header::mouseLeftPressEvent(QMouseEvent *event) +{ + (void)event; + + const bool ctrl_pressed = + QApplication::keyboardModifiers() & Qt::ControlModifier; + + // Clear selection if control is not pressed and this item is unselected + if ((!_mouse_down_item || !_mouse_down_item->selected()) && + !ctrl_pressed) + for (shared_ptr r : _view) + r->select(false); + + // Set the signal selection state if the item has been clicked + if (_mouse_down_item) { + if (ctrl_pressed) + _mouse_down_item->select(!_mouse_down_item->selected()); + else + _mouse_down_item->select(true); + } + + // Save the offsets of any signals which will be dragged + for (const shared_ptr r : _view) + if (r->selected()) + r->drag(); + + selection_changed(); + update(); +} + void Header::mousePressEvent(QMouseEvent *event) { assert(event); - if (event->button() & Qt::LeftButton) { - _mouse_down_point = event->pos(); + _mouse_down_point = event->pos(); + _mouse_down_item = get_mouse_over_row_item(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())); - } + if (event->button() & Qt::LeftButton) + mouseLeftPressEvent(event); +} - // Select the signal if it has been clicked - const shared_ptr mouse_over_row_item = +void Header::mouseLeftReleaseEvent(QMouseEvent *event) +{ + assert(event); + + const bool ctrl_pressed = + QApplication::keyboardModifiers() & Qt::ControlModifier; + + // Unselect everything if control is not pressed + const shared_ptr mouse_over = 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); + for (auto &r : _view) + r->drag_release(); + + if (_dragging) + _view.restack_all_row_items(); + else + { + if (!ctrl_pressed) { + for (shared_ptr r : _view) + if (_mouse_down_item != r) + r->select(false); + + if (_mouse_down_item) + show_popup(_mouse_down_item); + } } - selection_changed(); - update(); + _dragging = false; } 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); - } + if (event->button() & Qt::LeftButton) + mouseLeftReleaseEvent(event); - _dragging = false; - _drag_row_items.clear(); - } + _mouse_down_item = nullptr; } void Header::mouseMoveEvent(QMouseEvent *event) @@ -210,32 +219,36 @@ void Header::mouseMoveEvent(QMouseEvent *event) 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(); - } - + // Check all the drag items share a common owner + RowItemOwner *item_owner = nullptr; + for (shared_ptr r : _view) + if (r->dragging()) { + if (!item_owner) + item_owner = r->owner(); + else if(item_owner != r->owner()) + return; } - signals_moved(); - } + if (!item_owner) + return; + + // Do the drag + _dragging = true; + + const int delta = event->pos().y() - _mouse_down_point.y(); + + for (std::shared_ptr r : _view) + if (r->dragging()) { + r->force_to_v_offset(r->drag_point().y() + delta); + + // Ensure the trace is selected + r->select(); + } + + item_owner->restack_items(); + for (const auto &r : *item_owner) + r->animate_to_layout_v_offset(); + signals_moved(); update(); } @@ -275,29 +288,10 @@ void Header::keyPressEvent(QKeyEvent *e) } } -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