Updated to final KDE3 ktorrent release (2.2.6)

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktorrent@1077377 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 281 insertions, 0 deletions

diff --git a/plugins/stats/ChartDrawer.h b/plugins/stats/ChartDrawer.h
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+++ b/plugins/stats/ChartDrawer.h
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+/***************************************************************************
+ *   Copyright © 2007 by Krzysztof Kundzicz                                *
+ *   athantor@gmail.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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifndef CHARTDRAWER_H_
+#define CHARTDRAWER_H_
+
+#include <qwidget.h>
+#include <qpainter.h>
+#include <qstring.h>
+#include <qtooltip.h>
+#include <qmime.h>
+#include <qimage.h>
+
+#include <klocale.h>
+
+#include <vector>
+#include <cmath>
+#include <algorithm> //fill
+
+#include "ChartDrawerData.h"
+
+namespace kt {
+
+/**
+\brief Widget for drawing line charts
+\author Krzysztof Kundzicz <athantor@gmail.com>
+*/
+class ChartDrawer : public QWidget
+{
+	Q_OBJECT
+	
+	public:
+		///Type used as widget size unit
+		typedef uint32_t wgtsize_t;
+		///Type used as unit in chart
+		typedef int64_t wgtunit_t;
+		/**
+		\brief Type used for data storing
+		\sa ChartDrawerData
+		*/
+		typedef std::vector<ChartDrawerData> val_t;
+		///Determines max mode
+		enum MaxMode { MaxModeTop, MaxModeExact };
+
+	private:
+		///Maximum X value
+		wgtsize_t mXMax;
+		///Maximum Y value
+		wgtsize_t mYMax;
+		///Auto maximum setting
+		bool mAutoMax;
+		///Chart data
+		val_t mEls;
+		///Name of the chart unit
+		QString mUnitName;
+		///Mark max
+		std::vector<bool> mMarkMax;
+		///Max mode
+		MaxMode mMMode;
+	
+		///Paint event handler
+		void paintEvent ( QPaintEvent * );
+		/**
+		\brief Draws chart's frame
+		\param rPnt Painter on which things will be drawn
+		*/
+		void DrawFrame(QPainter &rPnt);
+		/**
+		\brief Draws chart's scale
+		\param rPnt Painter on which things will be drawn
+		*/
+		void DrawScale(QPainter &rPnt);
+		/**
+		\brief Draws chart
+		\param rPnt Painter on which things will be drawn
+		*/
+		void DrawChart(QPainter &rPnt);
+		
+		/**
+		\brief Gets distance between two values on OY
+		\return Distance
+		*/
+		inline wgtsize_t GetYScale() const;
+		
+		/**
+		\brief Translates widget Y coord to cartesian
+		\param y Coord
+		\return Coord
+		*/
+		inline wgtunit_t TrY(const wgtunit_t y) const;
+		/**
+		\brief Returns charts height
+		\return Height
+		
+		Return only height of the chart's inside the frame — not the whole widget's
+		*/
+		inline wgtunit_t height() const;
+		/**
+		\brief Returns charts width
+		\return Width
+		
+		Return only width of the chart's inside the frame — not the whole widget's
+		*/
+		inline wgtunit_t width() const;
+		
+		/**
+		\brief Finds screen X coord on the widget
+		\param x Coord
+		\return Screen coord
+		\warning Thera are rounding errors
+		*/
+		inline wgtunit_t FindXScreenCoords(const double x) const;
+		/**
+		\brief Finds screen Y coord on the widget
+		\param y Coord
+		\return Screen coord
+		\warning Thera are rounding errors
+		*/
+		inline wgtunit_t FindYScreenCoords(const double y) const;
+		
+		///Sets tooltip with legend
+		void MakeLegendTooltip();
+		
+	public:
+		/**
+		\brief Widget's constructor
+		\param p Parent
+		\param x_max Maximum X size
+		\param y_max Maximum Y size
+		\param autom Whether athomagically set the maximum Y size
+		\param uname Unit name
+		*/
+		ChartDrawer(QWidget *p = 0, wgtsize_t x_max = 2, wgtsize_t y_max = 1, bool autom = true, const QString & uname = "KB/s");
+		~ChartDrawer();
+		
+		/**
+		\brief Gets maximum X
+		\return Maximum X
+		*/
+		wgtsize_t GetXMax() const;
+		/**
+		\brief Gets maximum Y
+		\return Maximum Y
+		*/
+		wgtsize_t GetYMax() const;
+		
+		/**
+		\brief Sets the units name
+		\param rN Name
+		
+		\note It'l be drawn on the chart
+		*/
+		void SetUnitName(const QString & rN);
+		
+		/**
+		\brief Gets unit name
+		\return name
+		*/
+		QString GetUnitName() const;
+		/**
+		\brief Doubleclick handler
+		\param evt Mouse event
+		*/
+		void mouseDoubleClickEvent ( QMouseEvent * evt );
+		
+		/**
+		\brief Gets mode of OY axis maximum drawing
+		\return mode
+		*/
+		MaxMode GetMaxMode() const;
+		
+	
+	public slots:
+		/**
+		\brief Adds value to given dataset
+		\param idx Dataset index
+		\param val Value to add
+		\param update Whether update widget after adding
+		*/
+		void AddValue(const size_t idx, const double val, bool update = true);
+		/**
+		\brief Adds dataset
+		\param Cdd Dataset
+		\param max Whether mark maximum of this dataset
+		*/
+		void AddValues(ChartDrawerData Cdd, const bool max = true);
+		/**
+		\brief Adds dataset
+		\param Cdd Dataset
+		\param idx Where
+		\param max Whether mark maximum of this dataset
+		*/
+		void AddValues(ChartDrawerData Cdd, const size_t idx, const bool max = true);
+		/**
+		\brief Adds empty dataset
+		\param rN Set's data name
+		\param max Whether mark maximum of this dataset
+		*/
+		void AddValuesCnt(const QString & rN, const bool max = true);
+		/**
+		\brief Adds empty dataset
+		\param rP Pen that will be used to drawing
+		\param rN Dataset name
+		\param max Whether mark maximum of this dataset
+		*/
+		void AddValuesCnt(const QPen & rP, const QString & rN, const bool max = true );
+		
+		/**
+		\brief Removes dataset
+		\param idx Dataset index
+		*/
+		void RemoveValuesCnt(const size_t idx);
+		/**
+		\brief Zeroes values
+		\param idx Dataset index
+		*/
+		void Zero(const size_t idx);
+		
+		///Finds and sets maximum
+		void FindSetMax();
+		
+		/**
+		\brief Toggles marking of the maximum Y value on given dataset
+		\param at dataset
+		\param e Toggle?
+		*/
+		void EnableMaxDrawAt(const size_t, const bool);
+		/**
+		\brief Toggles automatic max Y scale settin
+		\param a Toggle?
+		*/
+		void EnableAutoMax(bool a);
+		
+		/**
+		\brief Sets maximum X
+		\param x X size
+		*/
+		void SetXMax(const wgtsize_t x);
+		/**
+		\brief Sets maximum Y
+		\param y Y size
+		*/
+		void SetYMax(const wgtsize_t x);
+		
+		/**
+		\brief Sets mode of max of OY axis
+		\param mm Mode
+		*/
+		void SetMaxMode(const MaxMode mm);
+		
+		
+	signals:
+		/**
+		\brief Emited when widget is doubleclicked
+		\param evt Mouse event
+		*/
+		void DoubleClicked(QMouseEvent * evt);
+	
+};
+
+}
+
+#endif
+