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115 lines
4.1 KiB
C++
115 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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*
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* gLineChart Header
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*
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* Copyright (c) 2011-2014 Mark Watkins <jedimark@users.sourceforge.net>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of the Linux
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* distribution for more details. */
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#ifndef GLINECHART_H
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#define GLINECHART_H
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#include <QPainter>
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#include <QVector>
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#include "Graphs/layer.h"
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#include "SleepLib/event.h"
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#include "SleepLib/day.h"
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#include "Graphs/gLineOverlay.h"
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/*! \class gLineChart
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\brief Draws a 2D linechart from all Session data in a day. EVL_Waveforms typed EventLists are accelerated.
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*/
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class gLineChart: public Layer
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{
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public:
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/*! \brief Creates a new 2D gLineChart Layer
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\param code The Channel that gets drawn by this layer
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\param col Color of the Plot
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\param square_plot Whether or not to use square plots (only effective for EVL_Event typed EventList data)
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\param disable_accel Whether or not to disable acceleration for EVL_Waveform typed EventList data
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*/
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gLineChart(ChannelID code, const QColor col = QColor("black"), bool square_plot = false,
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bool disable_accel = false);
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virtual ~gLineChart();
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//! \brief The drawing code that fills the vertex buffers
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virtual void paint(QPainter &painter, gGraph &w, const QRegion ®ion);
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//! \brief Set Use Square plots for non EVL_Waveform data
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void SetSquarePlot(bool b) { m_square_plot = b; }
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//! \brief Returns true if using Square plots for non EVL_Waveform data
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bool GetSquarePlot() { return m_square_plot; }
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//! \brief Set this if you want this layer to draw it's empty data message
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//! They don't show anymore due to the changes in gGraphView. Should modify isEmpty if this still gets to live
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void ReportEmpty(bool b) { m_report_empty = b; }
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//! \brief Returns whether or not to show the empty text message
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bool GetReportEmpty() { return m_report_empty; }
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//! \brief Sets the ability to Disable waveform plot acceleration (which hides unseen data)
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void setDisableAccel(bool b) { m_disable_accel = b; }
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//! \brief Returns true if waveform plot acceleration is disabled
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bool disableAccel() { return m_disable_accel; }
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//! \brief Sets the Day object containing the Sessions this linechart draws from
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virtual void SetDay(Day *d);
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//! \brief Returns Minimum Y-axis value for this layer
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virtual EventDataType Miny();
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//! \brief Returns Maximum Y-axis value for this layer
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virtual EventDataType Maxy();
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//! \brief Returns true if all subplots contain no data
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virtual bool isEmpty();
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//! \brief Add Subplot 'code'. Note the first one is added in the constructor.
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void addPlot(ChannelID code, QColor color, bool square) { m_codes.push_back(code); m_colors.push_back(color); m_enabled[code] = true; m_square.push_back(square); }
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//! \brief Returns true of the subplot 'code' is enabled.
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bool plotEnabled(ChannelID code) { if ((m_enabled.contains(code)) && m_enabled[code]) { return true; } else { return false; } }
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//! \brief Enable or Disable the subplot identified by code.
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void setPlotEnabled(ChannelID code, bool b) { m_enabled[code] = b; }
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QString getMetaString(qint64 time);
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protected:
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//! \brief Mouse moved over this layers area (shows the hover-over tooltips here)
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virtual bool mouseMoveEvent(QMouseEvent *event, gGraph *graph);
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bool m_report_empty;
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bool m_square_plot;
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bool m_disable_accel;
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QColor m_line_color;
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//! \brief Used by accelerated waveform plots. Must be >= Screen Resolution (or at least graph width)
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static const int max_drawlist_size = 10000;
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//! \brief The list of screen points used for accelerated waveform plots..
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QPoint m_drawlist[max_drawlist_size];
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int subtract_offset;
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QVector<ChannelID> m_codes;
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QVector<QColor> m_colors;
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QVector<bool> m_square;
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QHash<ChannelID, bool> m_enabled;
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QHash<ChannelID, gLineOverlayBar *> flags;
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QVector<QLine> lines;
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QString lasttext;
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qint64 lasttime;
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};
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#endif // GLINECHART_H
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