forked from Ivasoft/DSView
122 lines
3.1 KiB
C++
122 lines
3.1 KiB
C++
/*
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* This file is part of the DSView project.
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* DSView is based on PulseView.
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*
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* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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* Copyright (C) 2013 DreamSourceLab <dreamsourcelab@dreamsourcelab.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef DSVIEW_PV_VIEW_RULER_H
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#define DSVIEW_PV_VIEW_RULER_H
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#include <QWidget>
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#include <stdint.h>
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namespace pv {
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namespace view {
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class TimeMarker;
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class View;
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class Ruler : public QWidget
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{
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Q_OBJECT
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private:
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static const int MinorTickSubdivision;
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static const int ScaleUnits[3];
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static const int MinPeriodScale;
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static const QString SIPrefixes[9];
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static const QString FreqPrefixes[9];
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static const int FirstSIPrefixPower;
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static const int pricision;
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static const int HoverArrowSize;
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static const int CursorSelWidth;
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static const QColor dsBlue;
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static const QColor dsYellow;
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static const QColor dsRed;
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static const QColor dsGreen;
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public:
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static const QColor CursorColor[8];
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static const QColor HitColor;
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static const QColor WarnColor;
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public:
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Ruler(View &parent);
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static QString format_time(double t, unsigned int prefix,
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unsigned precision = pricision);
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static QString format_freq(double period, unsigned precision = pricision);
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QString format_time(double t);
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static QString format_real_time(uint64_t delta_index, uint64_t sample_rate);
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static QString format_real_freq(uint64_t delta_index, uint64_t sample_rate);
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TimeMarker* get_grabbed_cursor();
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void set_grabbed_cursor(TimeMarker* grabbed_marker);
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void rel_grabbed_cursor();
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const double get_min_period() const;
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private:
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void paintEvent(QPaintEvent *event);
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void mouseMoveEvent(QMouseEvent *e);
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void mousePressEvent(QMouseEvent *e);
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void mouseReleaseEvent(QMouseEvent *event);
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void leaveEvent(QEvent *);
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private:
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void draw_tick_mark(QPainter &p);
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void draw_logic_tick_mark(QPainter &p);
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/**
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* Draw a hover arrow under the cursor position.
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*/
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void draw_hover_mark(QPainter &p);
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void draw_cursor_sel(QPainter &p);
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int in_cursor_sel_rect(QPointF pos);
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QRectF get_cursor_sel_rect(int index);
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private slots:
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void hover_point_changed();
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private:
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View &_view;
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bool _cursor_sel_visible;
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bool _cursor_go_visible;
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int _cursor_sel_x;
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TimeMarker *_grabbed_marker;
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double _min_period;
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unsigned int _cur_prefix;
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};
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} // namespace view
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} // namespace pv
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#endif // DSVIEW_PV_VIEW_RULER_H
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