initial commit of code tree

git-svn-id: http://svn.lsim.tuxzone.org/trunk@2 4bec179b-ab65-46ed-a5f8-55b8b5c735d0
2008-10-08 22:11:27 +00:00
parent fa55af9942
commit 509cacdca6
41 changed files with 6455 additions and 0 deletions
--- a/src/simulscene.h
+++ b/src/simulscene.h
@@ -0,0 +1,125 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Peter Dahlberg   *
+ *   pdahlberg@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 SIMULSCENE_H
+#define SIMULSCENE_H
+
+#include <QGraphicsScene>
+
+class QTimeLine;
+class HomoEFieldItem;
+class QGraphicsRectItem;
+class QGraphicsItemGroup;
+class GraphicsEllipseItem;
+
+/**
+	@author Peter Dahlberg <pdahlberg@gmail.com>
+*/
+class SimulScene : public QGraphicsScene {
+	Q_OBJECT
+	public:
+		enum SceneMode {HomoEFieldItemInsert, FieldItemEdit };
+		enum ItemType {ResizeRectItem};
+		SimulScene ( QObject* parent = 0);
+		qreal getHighestZIndexVisible(); //hoechsten z-index der sichtbaren items ausgeben
+
+		~SimulScene();
+   		double getTimePerStep();
+    		int getSteps();
+
+		//! gibt die Wirkende Kraft  zur&uuml;ck (in Newton)
+		/*!
+			\param point der Punkt der abgepr&uuml;ft werden soll
+			\param charge Die Ladung, auf die die Kraft ausge&uuml;bt wird
+			\param xy x oder y-Richtung
+		*/
+		long double getPowerAt(QPointF point, long double charge, char xy);
+    QWidget* getProbeDockWidget() const;
+
+	public slots:
+		void setSceneMode(SceneMode mode);
+		void startTimer();
+		void deleteSelectedFieldItems();
+   		void setTimePerStep(double time);
+		///starte die Berechnung der teilchenbahn(en)
+    		void startCalculation();
+   		void setSteps(int steps);
+
+	void setMeterPerPx ( double theValue );
+	
+
+	double getMeterPerPx() const;
+	
+	private slots:
+		void displayResizeRects(bool move = false);
+		///does the same as displayResizeRects(true)
+		void moveResizeRects();
+	signals:
+		void sceneModeChanged(int mode);
+    		void stepsChanged(int steps);
+    		void timePerStepChanged(double timePerStep);
+	private:
+		QTimeLine *timer;
+		
+		SceneMode myMode;
+
+		///Zeit pro Step in ms
+		double timePerStep;
+		///anzahl der Steps
+		int steps;
+		///ein Pixel entspricht so viel meter
+		double meterPerPx;
+		HomoEFieldItem *currHomoEfieldInsertItem; //Aktuell erstelltes Item
+		HomoEFieldItem *currHomoEfieldEditItem;
+		QGraphicsItem *pressedResizeItem;
+
+		GraphicsEllipseItem *ellipse1;
+		
+
+		//rechtecke zur groesenaenderung
+		struct resizeRects {
+			QGraphicsRectItem *leftTopResizeItem;
+			QGraphicsRectItem *leftResizeItem;
+			QGraphicsRectItem *leftBottomResizeItem;
+			QGraphicsRectItem *bottomResizeItem;
+			QGraphicsRectItem *rightBottomResizeItem;
+			QGraphicsRectItem *rightRezizeItem;
+			QGraphicsRectItem *rightTopResizeItem;
+			QGraphicsRectItem *topResizeItem;
+		};
+		resizeRects reRects;
+		void createResizeRects();
+
+		void calculateItemResize(
+			QGraphicsSceneMouseEvent *mouseEvent,
+			QGraphicsRectItem *pressedRectItem,
+			QRectF &currRect,
+			QPointF &newPos,
+			qreal minWidth,
+			qreal minHeight
+		);
+
+	protected:
+		void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
+		void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
+		void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent);
+		void keyPressEvent ( QKeyEvent * keyEvent );
+};
+
+#endif