+++ /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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "cursorpair.hpp"
-
-#include "view.hpp"
-#include "pv/util.hpp"
-
-#include <cassert>
-#include <algorithm>
-
-using std::max;
-using std::make_pair;
-using std::min;
-using std::shared_ptr;
-using std::pair;
-
-namespace pv {
-namespace view {
-
-const int CursorPair::DeltaPadding = 8;
-
-CursorPair::CursorPair(View &view) :
- TimeItem(view),
- first_(new Cursor(view, 0.0)),
- second_(new Cursor(view, 1.0))
-{
-}
-
-bool CursorPair::enabled() const
-{
- return view_.cursors_shown();
-}
-
-shared_ptr<Cursor> CursorPair::first() const
-{
- return first_;
-}
-
-shared_ptr<Cursor> CursorPair::second() const
-{
- return second_;
-}
-
-void CursorPair::set_time(double time) {
- const double delta = second_->time() - first_->time();
- first_->set_time(time);
- second_->set_time(time + delta);
-}
-
-float CursorPair::get_x() const
-{
- return (first_->get_x() + second_->get_x()) / 2.0f;
-}
-
-QPoint CursorPair::point() const
-{
- return first_->point();
-}
-
-pv::widgets::Popup* CursorPair::create_popup(QWidget *parent)
-{
- (void)parent;
- return nullptr;
-}
-
-QRectF CursorPair::label_rect(const QRectF &rect) const
-{
- const QSizeF label_size(
- text_size_.width() + View::LabelPadding.width() * 2,
- text_size_.height() + View::LabelPadding.height() * 2);
- const pair<float, float> offsets(get_cursor_offsets());
- const pair<float, float> normal_offsets(
- (offsets.first < offsets.second) ? offsets :
- make_pair(offsets.second, offsets.first));
-
- const float height = label_size.height();
- const float left = max(normal_offsets.first + DeltaPadding, -height);
- const float right = min(normal_offsets.second - DeltaPadding,
- (float)rect.width() + height);
-
- return QRectF(left, rect.height() - label_size.height() -
- TimeMarker::ArrowSize - TimeMarker::Offset - 0.5f,
- right - left, height);
-}
-
-void CursorPair::paint_label(QPainter &p, const QRect &rect)
-{
- assert(first_);
- assert(second_);
-
- const unsigned int prefix = view_.tick_prefix();
-
- compute_text_size(p, prefix);
- QRectF delta_rect(label_rect(rect));
-
- const int radius = delta_rect.height() / 2;
- const QRectF text_rect(delta_rect.intersected(
- rect).adjusted(radius, 0, -radius, 0));
- if(text_rect.width() >= text_size_.width())
- {
- const int highlight_radius = delta_rect.height() / 2 - 2;
-
- if (selected()) {
- p.setBrush(Qt::transparent);
- p.setPen(highlight_pen());
- p.drawRoundedRect(delta_rect, radius, radius);
- }
-
- p.setBrush(Cursor::FillColour);
- p.setPen(Cursor::FillColour.darker());
- p.drawRoundedRect(delta_rect, radius, radius);
-
- delta_rect.adjust(1, 1, -1, -1);
- p.setPen(Cursor::FillColour.lighter());
- p.drawRoundedRect(delta_rect, highlight_radius, highlight_radius);
-
- p.setPen(SelectableItem::select_text_colour(
- Cursor::FillColour));
- p.drawText(text_rect, Qt::AlignCenter | Qt::AlignVCenter,
- pv::util::format_time(second_->time() - first_->time(), prefix, 2));
- }
-
- // Paint the cursor markers
- first_->paint_label(p, rect);
- second_->paint_label(p, rect);
-}
-
-void CursorPair::draw_viewport_background(QPainter &p,
- const QRect &rect)
-{
- p.setPen(Qt::NoPen);
- p.setBrush(QBrush(View::CursorAreaColour));
-
- const pair<float, float> offsets(get_cursor_offsets());
- const int l = (int)max(min(
- offsets.first, offsets.second), 0.0f);
- const int r = (int)min(max(
- offsets.first, offsets.second), (float)rect.width());
-
- p.drawRect(l, 0, r - l, rect.height());
-}
-
-void CursorPair::draw_viewport_foreground(QPainter &p,
- const QRect &rect)
-{
- assert(first_);
- assert(second_);
-
- first_->paint(p, rect);
- second_->paint(p, rect);
-}
-
-void CursorPair::compute_text_size(QPainter &p, unsigned int prefix)
-{
- assert(first_);
- assert(second_);
-
- text_size_ = p.boundingRect(QRectF(), 0, pv::util::format_time(
- second_->time() - first_->time(), prefix, 2)).size();
-}
-
-pair<float, float> CursorPair::get_cursor_offsets() const
-{
- assert(first_);
- assert(second_);
-
- return pair<float, float>(
- (first_->time() - view_.offset()) / view_.scale(),
- (second_->time() - view_.offset()) / view_.scale());
-}
-
-} // namespace view
-} // namespace pv