lib/ScalePlot.h

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00001 /*
00002  *  Qtstalker stock charter
00003  * 
00004  *  Copyright (C) 2001-2007 Stefan S. Stratigakos
00005  * 
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
00019  *  USA.
00020  */
00021 
00022 #ifndef SCALEPLOT_HPP
00023 #define SCALEPLOT_HPP
00024 
00025 #include <qwidget.h>
00026 #include <qpixmap.h>
00027 #include <qcolor.h>
00028 #include <qfont.h>
00029 #include "Scaler.h"
00030 
00031 class ScalePlot : public QWidget
00032 {
00033   Q_OBJECT
00034 
00035   public:
00036     ScalePlot (QWidget *);
00037     ~ScalePlot ();
00038     void clear ();
00039     void setData (double);
00040     void setScaleWidth (int);
00041     void setLogScale (bool);
00042     void setScaleToScreen (bool);
00043     void strip (double, int, QString &);
00044     void setScaler (Scaler &);
00045 
00046   public slots:
00047     void draw();
00048     void drawRefresh();
00049     void setBackgroundColor (QColor &);
00050     void setBorderColor (QColor &);
00051     void setPlotFont (QFont &);
00052     void slotScaleToScreenChanged (bool);
00053     void slotLogScaleChanged (bool);
00054     void drawScale ();
00055     void setMainFlag (bool);
00056 
00057   protected:
00058     virtual void paintEvent (QPaintEvent *);
00059     virtual void resizeEvent (QResizeEvent *);
00060 
00061   private:    
00062     QFont plotFont;
00063     QPixmap buffer;
00064     QColor backgroundColor;
00065     QColor borderColor;
00066     bool scaleToScreen;
00067     bool logScale;
00068     int scaleWidth;
00069     double close;
00070     Scaler scaler;
00071     bool mainFlag;
00072     bool activeFlag;
00073 };
00074 
00075 #endif
00076 
00077