X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fheader.cpp;h=2264bc2c945f96b41ea88d387af4c5221d3a8cb9;hb=be9e7b4bb29b6594ec2b64442748ab135b684bf8;hp=aaa98ab85fb59ab6da9583ac277d758736850da3;hpb=51e77110d4316fd0106f8306f5e1f0523c5bf7d7;p=pulseview.git diff --git a/pv/view/header.cpp b/pv/view/header.cpp index aaa98ab..2264bc2 100644 --- a/pv/view/header.cpp +++ b/pv/view/header.cpp @@ -21,50 +21,287 @@ #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, 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::paintEvent(QPaintEvent *event) +void Header::clear_selection() { - const int w = width(); - const vector< shared_ptr > &sigs = - _view.session().get_signals(); + for (auto &i : _view) + i->select(false); + update(); +} + +void Header::signals_updated() +{ + for (shared_ptr r : _view) { + assert(r); + connect(r.get(), SIGNAL(appearance_changed()), + this, SLOT(on_trace_changed())); + } +} + +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_visual_y()); + p->set_position(mapToGlobal(pt), Popup::Right); + p->show(); +} + +void Header::paintEvent(QPaintEvent*) +{ + // 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->visual_v_offset() < b->visual_v_offset(); }); QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing); - int offset = -_view.v_offset(); - BOOST_FOREACH(const shared_ptr s, sigs) + 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::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); + + _mouse_down_point = event->pos(); + _mouse_down_item = get_mouse_over_row_item(event->pos()); + + if (event->button() & Qt::LeftButton) + mouseLeftPressEvent(event); +} + +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()); + + for (auto &r : _view) + r->drag_release(); + + if (!_dragging) + { + 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); + } + } + + _dragging = false; +} + +void Header::mouseReleaseEvent(QMouseEvent *event) +{ + assert(event); + if (event->button() & Qt::LeftButton) + mouseLeftReleaseEvent(event); + + _mouse_down_item = nullptr; +} + +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; + + // 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; + } + + 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(); + } + + 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_moved() +{ + update(); +} + +void Header::on_trace_changed() +{ + update(); + geometry_updated(); +} + } // namespace view } // namespace pv