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/*
* 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::LineColor(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 / 2.0, LineThickness / 2.0,
-LineThickness / 2.0, -LineThickness / 2.0);
// 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(LineColor.darker()), LineThickness,
Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin));
p.drawPolyline(points, countof(points));
p.setPen(QPen(QBrush(hover ? LineColor.lighter() : LineColor),
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_header_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;
}
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 (const 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
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