--- /dev/null
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <extdef.h>
+
+#include <algorithm>
+#include <cassert>
+
+#include <QMenu>
+#include <QPainter>
+
+#include "tracegroup.hpp"
+
+using std::any_of;
+using std::pair;
+using std::shared_ptr;
+using std::vector;
+
+namespace pv {
+namespace views {
+namespace trace {
+
+const int TraceGroup::Padding = 8;
+const int TraceGroup::Width = 12;
+const int TraceGroup::LineThickness = 5;
+const QColor TraceGroup::LineColour(QColor(0x55, 0x57, 0x53));
+
+TraceGroup::~TraceGroup()
+{
+ owner_ = nullptr;
+ clear_child_items();
+}
+
+bool TraceGroup::enabled() const
+{
+ return any_of(child_items().begin(), child_items().end(),
+ [](const shared_ptr<ViewItem> &r) { return r->enabled(); });
+}
+
+pv::Session& TraceGroup::session()
+{
+ assert(owner_);
+ return owner_->session();
+}
+
+const pv::Session& TraceGroup::session() const
+{
+ assert(owner_);
+ return owner_->session();
+}
+
+View* TraceGroup::view()
+{
+ assert(owner_);
+ return owner_->view();
+}
+
+const View* TraceGroup::view() const
+{
+ assert(owner_);
+ return owner_->view();
+}
+
+pair<int, int> TraceGroup::v_extents() const
+{
+ return TraceTreeItemOwner::v_extents();
+}
+
+void TraceGroup::paint_label(QPainter &p, const QRect &rect, bool hover)
+{
+ const QRectF r = label_rect(rect).adjusted(
+ LineThickness / 2, LineThickness / 2,
+ -LineThickness / 2, -LineThickness / 2);
+
+ // Paint the label
+ const QPointF points[] = {
+ r.topRight(),
+ r.topLeft(),
+ r.bottomLeft(),
+ r.bottomRight()
+ };
+
+ if (selected()) {
+ const QPen pen(highlight_pen());
+ p.setPen(QPen(pen.brush(), pen.width() + LineThickness,
+ Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin));
+ p.setBrush(Qt::transparent);
+ p.drawPolyline(points, countof(points));
+ }
+
+ p.setPen(QPen(QBrush(LineColour.darker()), LineThickness,
+ Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin));
+ p.drawPolyline(points, countof(points));
+ p.setPen(QPen(QBrush(hover ? LineColour.lighter() : LineColour),
+ LineThickness - 2, Qt::SolidLine, Qt::SquareCap,
+ Qt::RoundJoin));
+ p.drawPolyline(points, countof(points));
+}
+
+QRectF TraceGroup::label_rect(const QRectF &rect) const
+{
+ QRectF child_rect;
+ for (const shared_ptr<ViewItem> r : child_items())
+ if (r && r->enabled())
+ child_rect = child_rect.united(r->label_rect(rect));
+
+ return QRectF(child_rect.x() - Width - Padding, child_rect.y(),
+ Width, child_rect.height());
+}
+
+bool TraceGroup::pt_in_label_rect(int left, int right, const QPoint &point)
+{
+ (void)left;
+ (void)right;
+ (void)point;
+
+ return false;
+}
+
+QMenu* TraceGroup::create_context_menu(QWidget *parent)
+{
+ QMenu *const menu = new QMenu(parent);
+
+ QAction *const ungroup = new QAction(tr("Ungroup"), this);
+ ungroup->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_U));
+ connect(ungroup, SIGNAL(triggered()), this, SLOT(on_ungroup()));
+ menu->addAction(ungroup);
+
+ return menu;
+}
+
+pv::widgets::Popup* TraceGroup::create_popup(QWidget *parent)
+{
+ (void)parent;
+ return nullptr;
+}
+
+int TraceGroup::owner_visual_v_offset() const
+{
+ return owner_ ? visual_v_offset() + owner_->owner_visual_v_offset() : 0;
+}
+
+void TraceGroup::restack_items()
+{
+ vector<shared_ptr<TraceTreeItem>> items(trace_tree_child_items());
+
+ // Sort by the centre line of the extents
+ stable_sort(items.begin(), items.end(),
+ [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) {
+ const auto aext = a->v_extents();
+ const auto bext = b->v_extents();
+ return a->layout_v_offset() +
+ (aext.first + aext.second) / 2 <
+ b->layout_v_offset() +
+ (bext.first + bext.second) / 2;
+ });
+
+ int total_offset = 0;
+ for (shared_ptr<TraceTreeItem> r : items) {
+ const pair<int, int> extents = r->v_extents();
+ if (extents.first == 0 && extents.second == 0)
+ continue;
+
+ // We position disabled traces, so that they are close to the
+ // animation target positon should they be re-enabled
+ if (r->enabled())
+ total_offset += -extents.first;
+
+ if (!r->dragging())
+ r->set_layout_v_offset(total_offset);
+
+ if (r->enabled())
+ total_offset += extents.second;
+ }
+}
+
+unsigned int TraceGroup::depth() const
+{
+ return owner_ ? owner_->depth() + 1 : 0;
+}
+
+void TraceGroup::ungroup()
+{
+ const vector<shared_ptr<TraceTreeItem>> items(trace_tree_child_items());
+ clear_child_items();
+
+ for (shared_ptr<TraceTreeItem> r : items)
+ owner_->add_child_item(r);
+
+ owner_->remove_child_item(shared_from_this());
+}
+
+void TraceGroup::on_ungroup()
+{
+ ungroup();
+}
+
+void TraceGroup::row_item_appearance_changed(bool label, bool content)
+{
+ if (owner_)
+ owner_->row_item_appearance_changed(label, content);
+}
+
+void TraceGroup::extents_changed(bool horz, bool vert)
+{
+ if (owner_)
+ owner_->extents_changed(horz, vert);
+}
+
+} // namespace trace
+} // namespace views
+} // namespace pv
projects / pulseview.git / blobdiff