2 * This file is part of the PulseView project.
4 * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "cursorpair.hpp"
24 #include "pv/util.hpp"
32 using std::shared_ptr;
38 const int CursorPair::DeltaPadding = 8;
40 CursorPair::CursorPair(View &view) :
42 first_(new Cursor(view, 0.0)),
43 second_(new Cursor(view, 1.0))
47 bool CursorPair::enabled() const
49 return view_.cursors_shown();
52 shared_ptr<Cursor> CursorPair::first() const
57 shared_ptr<Cursor> CursorPair::second() const
62 QPoint CursorPair::point() const
64 return first_->point();
67 pv::widgets::Popup* CursorPair::create_popup(QWidget *parent)
73 QRectF CursorPair::get_label_rect(const QRect &rect) const
75 const QSizeF label_size(
76 text_size_.width() + View::LabelPadding.width() * 2,
77 text_size_.height() + View::LabelPadding.height() * 2);
78 const pair<float, float> offsets(get_cursor_offsets());
79 const pair<float, float> normal_offsets(
80 (offsets.first < offsets.second) ? offsets :
81 make_pair(offsets.second, offsets.first));
83 const float height = label_size.height();
84 const float left = max(normal_offsets.first + DeltaPadding, -height);
85 const float right = min(normal_offsets.second - DeltaPadding,
86 (float)rect.width() + height);
88 return QRectF(left, rect.height() - label_size.height() -
89 TimeMarker::ArrowSize - TimeMarker::Offset - 0.5f,
90 right - left, height);
93 void CursorPair::draw_markers(QPainter &p, const QRect &rect)
98 const unsigned int prefix = view_.tick_prefix();
100 compute_text_size(p, prefix);
101 QRectF delta_rect(get_label_rect(rect));
103 const int radius = delta_rect.height() / 2;
104 const QRectF text_rect(delta_rect.intersected(
105 rect).adjusted(radius, 0, -radius, 0));
106 if(text_rect.width() >= text_size_.width())
108 const int highlight_radius = delta_rect.height() / 2 - 2;
110 p.setBrush(Cursor::FillColour);
111 p.setPen(Cursor::FillColour.darker());
112 p.drawRoundedRect(delta_rect, radius, radius);
114 delta_rect.adjust(1, 1, -1, -1);
115 p.setPen(Cursor::FillColour.lighter());
116 p.drawRoundedRect(delta_rect, highlight_radius, highlight_radius);
118 p.setPen(SelectableItem::select_text_colour(
119 Cursor::FillColour));
120 p.drawText(text_rect, Qt::AlignCenter | Qt::AlignVCenter,
121 pv::util::format_time(second_->time() - first_->time(), prefix, 2));
124 // Paint the cursor markers
125 first_->paint_label(p, rect);
126 second_->paint_label(p, rect);
129 void CursorPair::draw_viewport_background(QPainter &p,
133 p.setBrush(QBrush(View::CursorAreaColour));
135 const pair<float, float> offsets(get_cursor_offsets());
136 const int l = (int)max(min(
137 offsets.first, offsets.second), 0.0f);
138 const int r = (int)min(max(
139 offsets.first, offsets.second), (float)rect.width());
141 p.drawRect(l, 0, r - l, rect.height());
144 void CursorPair::draw_viewport_foreground(QPainter &p,
150 first_->paint(p, rect);
151 second_->paint(p, rect);
154 void CursorPair::compute_text_size(QPainter &p, unsigned int prefix)
159 text_size_ = p.boundingRect(QRectF(), 0, pv::util::format_time(
160 second_->time() - first_->time(), prefix, 2)).size();
163 pair<float, float> CursorPair::get_cursor_offsets() const
168 return pair<float, float>(
169 (first_->time() - view_.offset()) / view_.scale(),
170 (second_->time() - view_.offset()) / view_.scale());