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DSView/DSLogic-gui/pv/view/cursor.h
DreamSourceLab 493d61d6c0 Initial version.
2014-01-15 19:48:01 +08:00

95 lines
2.5 KiB
C++

/*
* This file is part of the DSLogic-gui project.
* DSLogic-gui is based on PulseView.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
* Copyright (C) 2013 DreamSourceLab <dreamsourcelab@dreamsourcelab.com>
*
* 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
*/
#ifndef DSLOGIC_PV_VIEW_CURSOR_H
#define DSLOGIC_PV_VIEW_CURSOR_H
#include "timemarker.h"
#include <QSizeF>
class QPainter;
namespace pv {
namespace view {
class Cursor : public TimeMarker
{
Q_OBJECT
public:
static const QColor LineColour;
static const QColor FillColour;
static const QColor HighlightColour;
static const QColor TextColour;
static const int Offset;
static const int ArrowSize;
static const int CloseSize;
public:
/**
* Constructor.
* @param view A reference to the view that owns this cursor pair.
* @param time The time to set the flag to.
* @param other A reference to the other cursor.
*/
Cursor(View &view, QColor color, double time);
public:
/**
* Gets the marker label rectangle.
* @param rect The rectangle of the ruler client area.
* @return Returns the label rectangle.
*/
QRectF get_label_rect(const QRect &rect) const;
QRectF get_close_rect(const QRect &rect) const;
/**
* Paints the cursor's label to the ruler.
* @param p The painter to draw with.
* @param rect The rectangle of the ruler client area.
* @param prefix The index of the SI prefix to use.
*/
void paint_label(QPainter &p, const QRect &rect,
unsigned int prefix, int index);
void paint_fix_label(QPainter &p, const QRect &rect,
unsigned int prefix, QChar label, QColor color);
private:
void compute_text_size(QPainter &p, unsigned int prefix);
private:
const Cursor &_other;
QSizeF _text_size;
};
} // namespace view
} // namespace pv
#endif // DSLOGIC_PV_VIEW_CURSOR_H