Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 128 insertions, 0 deletions

diff --git a/kstars/kstars/tools/kstarsplotwidget.h b/kstars/kstars/tools/kstarsplotwidget.h
new file mode 100644
index 00000000..554f4a80
--- /dev/null
+++ b/kstars/kstars/tools/kstarsplotwidget.h
@@ -0,0 +1,128 @@
+/***************************************************************************
+                          kstarsplotwidget.h - A widget for dat plotting in KStars
+                             -------------------
+    begin                : Sun 18 May 2003
+    copyright            : (C) 2003 by Jason Harris
+    email                : kstars@30doradus.org
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _KSTARSPLOTWIDGET_H_
+#define _KSTARSPLOTWIDGET_H_
+
+#include <qwidget.h>
+#include <libkdeedu/kdeeduplot/kplotwidget.h>
+
+#define BIGTICKSIZE 10
+#define SMALLTICKSIZE 4
+#define XPADDING 20
+#define YPADDING 20
+
+class QColor;
+class QPixmap;
+
+/**@class KStarsPlotWidget
+	*@short A plotting widget for KStars tools, derived from the more generic class KPlotWidget.
+	*@author Jason Harris
+	*@version 1.0
+	*Widget for drawing plots.  Features added to KPlotWidget: secondary Axis labels, data types
+	*/
+
+class KStarsPlotWidget : public KPlotWidget {
+	Q_OBJECT
+public:
+/**Constructor
+	*/
+	KStarsPlotWidget( double x1=0.0, double x2=1.0, double y1=0.0, double y2=1.0, QWidget *parent=0, const char* name=0 );
+
+/**Destructor (empty)
+	*/
+	~KStarsPlotWidget() {}
+
+/**@enum AXIS_TYPE
+	*Specifies the data type of the axis.
+	*/
+	enum AXIS_TYPE { DOUBLE=0, TIME=1, ANGLE=2, UNKNOWN_TYPE };
+
+/**@short Determine the placement of major and minor tickmarks, based on the current Limit settings
+	*/
+	void updateTickmarks();
+	void setLimits( double xb1, double xb2, double yb1, double yb2 );
+	void setSecondaryLimits( double xb1, double xb2, double yb1, double yb2 );
+	void checkLimits();
+
+	double xb() const { return DataRect2.x(); }
+	double xb2() const { return DataRect2.x2(); }
+	double yb() const { return DataRect2.y(); }
+	double yb2() const { return DataRect2.y2(); }
+	double dataWidth2() const { return DataRect2.width(); }
+	double dataHeight2() const { return DataRect2.height(); }
+
+	double xScale() const { return XScaleFactor; }
+	void setXScale( double s ) { XScaleFactor = s; }
+	double yScale() const { return YScaleFactor; }
+	void setYScale( double s ) { YScaleFactor = s; }
+
+	/**@return the data type of the x-axis (DOUBLE, TIME or ANGLE)
+		*/
+	AXIS_TYPE xAxisType() const { return XAxisType; }
+	AXIS_TYPE xAxisType0() const { return XAxisType_0; }
+	/**@return the data type of the y-axis (DOUBLE, TIME or ANGLE)
+		*/
+	AXIS_TYPE yAxisType() const { return YAxisType; }
+	AXIS_TYPE yAxisType0() const { return YAxisType_0; }
+
+	/**@short set the data type of the x-axis
+		*@param xtype the new data type (DOUBLE, TIME, or ANGLE)
+		*/
+	void setXAxisType( AXIS_TYPE xtype ) { XAxisType = xtype; }
+	void setXAxisType0( AXIS_TYPE xtype ) { XAxisType_0 = xtype; }
+	/**@short set the data type of the y-axis
+		*@param ytype the new data type (DOUBLE, TIME, or ANGLE)
+		*/
+	void setYAxisType( AXIS_TYPE ytype ) { YAxisType = ytype; }
+	void setYAxisType0( AXIS_TYPE ytype ) { YAxisType_0 = ytype; }
+
+	/**@short set the secondary X-axis label
+		*@param xlabel a short string describing the data plotted on the x-axis.
+		*Set the label to an empty string to omit the axis label.
+		*/
+	virtual void setXAxisLabel2( QString xlabel ) { XAxisLabel2 = xlabel; }
+	/**@short set the secondary Y-axis label
+		*@param ylabel a short string describing the data plotted on the y-axis.
+		*Set the label to an empty string to omit the axis label.
+		*/
+	virtual void setYAxisLabel2( QString ylabel ) { YAxisLabel2 = ylabel; }
+
+	/**@returns the number of pixels to the right of the plot area.
+		*Padding values are set to -1 by default; if unchanged, this function will try to guess
+		*a good value, based on whether ticklabels and/or axis labels are to be drawn.
+		*/
+	int rightPadding()  const;
+	/**@returns the number of pixels above the plot area.
+		*Padding values are set to -1 by default; if unchanged, this function will try to guess
+		*a good value, based on whether ticklabels and/or axis labels are to be drawn.
+		*/
+	int topPadding()    const;
+
+protected:
+	void drawBox( QPainter *p );
+
+	double dXtick2, dYtick2;
+	int nmajX2, nminX2, nmajY2, nminY2;
+	AXIS_TYPE XAxisType, YAxisType, XAxisType_0, YAxisType_0;
+	double XScaleFactor, YScaleFactor;
+	DRect DataRect2;
+
+	QString XAxisLabel2, YAxisLabel2;
+};
+
+#endif