2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 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
39 const QColor Cursor::LineColour(32, 74, 135);
40 const QColor Cursor::FillColour(52, 101, 164);
41 const QColor Cursor::HighlightColour(83, 130, 186);
42 const QColor Cursor::TextColour(Qt::white);
44 const int Cursor::Offset = 1;
46 const int Cursor::ArrowSize = 4;
48 Cursor::Cursor(const View &view, double time, Cursor &other) :
49 TimeMarker(view, LineColour, time),
54 QRectF Cursor::get_label_rect(const QRect &rect) const
56 const float x = (_time - _view.offset()) / _view.scale();
58 const QSizeF label_size(
59 _text_size.width() + View::LabelPadding.width() * 2,
60 _text_size.height() + View::LabelPadding.height() * 2);
61 const float top = rect.height() - label_size.height() -
62 Cursor::Offset - Cursor::ArrowSize - 0.5f;
63 const float height = label_size.height();
65 if (_time > _other.time())
66 return QRectF(x, top, label_size.width(), height);
68 return QRectF(x - label_size.width(), top,
69 label_size.width(), height);
72 void Cursor::paint_label(QPainter &p, const QRect &rect,
75 compute_text_size(p, prefix);
76 const QRectF r(get_label_rect(rect));
78 if (_time > _other.time())
80 const QPointF points[] = {
84 QPointF(r.left() + ArrowSize, r.bottom()),
85 QPointF(r.left(), rect.bottom()),
88 const QPointF highlight_points[] = {
89 QPointF(r.left() + 1, r.top() + 1),
90 QPointF(r.right() - 1, r.top() + 1),
91 QPointF(r.right() - 1, r.bottom() - 1),
92 QPointF(r.left() + ArrowSize - 1, r.bottom() - 1),
93 QPointF(r.left() + 1, rect.bottom() - 1),
96 p.setPen(Qt::transparent);
97 p.setBrush(FillColour);
98 p.drawPolygon(points, countof(points));
100 p.setPen(HighlightColour);
101 p.setBrush(Qt::transparent);
102 p.drawPolygon(highlight_points, countof(highlight_points));
104 p.setPen(LineColour);
105 p.setBrush(Qt::transparent);
106 p.drawPolygon(points, countof(points));
110 const QPointF points[] = {
114 QPointF(r.right() - ArrowSize, r.bottom()),
115 QPointF(r.right(), rect.bottom()),
118 const QPointF highlight_points[] = {
119 QPointF(r.right() - 1, r.top() + 1),
120 QPointF(r.left() + 1, r.top() + 1),
121 QPointF(r.left() + 1, r.bottom() - 1),
122 QPointF(r.right() - ArrowSize + 1, r.bottom() - 1),
123 QPointF(r.right() - 1, rect.bottom() - 1),
126 p.setPen(Qt::transparent);
127 p.setBrush(FillColour);
128 p.drawPolygon(points, countof(points));
130 p.setPen(HighlightColour);
131 p.setBrush(Qt::transparent);
132 p.drawPolygon(highlight_points, countof(highlight_points));
134 p.setPen(LineColour);
135 p.setBrush(Qt::transparent);
136 p.drawPolygon(points, countof(points));
139 p.setPen(TextColour);
140 p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter,
141 Ruler::format_time(_time, prefix, 2));
144 void Cursor::compute_text_size(QPainter &p, unsigned int prefix)
146 _text_size = p.boundingRect(QRectF(), 0,
147 Ruler::format_time(_time, prefix, 2)).size();