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.h"
32 CursorPair::CursorPair(const View &view) :
33 _first(view, 0.0, _second),
34 _second(view, 1.0, _first),
39 const Cursor& CursorPair::first() const
44 Cursor& CursorPair::first()
49 const Cursor& CursorPair::second() const
54 Cursor& CursorPair::second()
59 void CursorPair::draw_markers(QPainter &p,
60 const QRect &rect, unsigned int prefix)
62 _first.paint_label(p, rect, prefix);
63 _second.paint_label(p, rect, prefix);
66 void CursorPair::draw_viewport_background(QPainter &p,
70 p.setBrush(QBrush(View::CursorAreaColour));
72 const pair<float, float> offsets(get_cursor_offsets());
73 const int l = (int)max(min(
74 offsets.first, offsets.second), 0.0f);
75 const int r = (int)min(max(
76 offsets.first, offsets.second), (float)rect.width());
78 p.drawRect(l, 0, r - l, rect.height());
81 void CursorPair::draw_viewport_foreground(QPainter &p,
84 _first.paint(p, rect);
85 _second.paint(p, rect);
88 pair<float, float> CursorPair::get_cursor_offsets() const
90 return pair<float, float>(
91 (_first.time() - _view.offset()) / _view.scale(),
92 (_second.time() - _view.offset()) / _view.scale());