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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce599e4f9f94b4eb00c1b5edb85bce5431ab3df2 (patch)
treed3bb9f5d25a2dc09ca81adecf39621d871534297 /kbruch/src/exercisecompare.h
downloadtdeedu-ce599e4f9f94b4eb00c1b5edb85bce5431ab3df2.tar.gz
tdeedu-ce599e4f9f94b4eb00c1b5edb85bce5431ab3df2.zip
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
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+/***************************************************************************
+ exercisecompare.h
+ -------------------
+ begin : 2004/06/03
+ copyright : (C) 2004 by Sebastian Stein
+ email : seb.kde@hpfsc.de
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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 EXERCISECOMPARE_H
+#define EXERCISECOMPARE_H
+
+#define DEBUG
+
+#ifdef DEBUG
+#include <kdebug.h>
+#endif
+
+#include "exercisebase.h"
+#include "ratio.h"
+#include "ratiowidget.h"
+
+class QGridLayout;
+class QLabel;
+class QPushButton;
+class QVBoxLayout;
+
+
+#include <qwidget.h>
+
+/*! Constructs a QWidget, which shows the task to the user.
+ * The class also provides input fields, so that the user can enter the result.
+ * It also controls the interaction, so that the entered result gets checked
+ * and a new task can be generated.
+ * \author Sebastian Stein
+ * */
+class ExerciseCompare : public ExerciseBase
+{
+ Q_OBJECT
+
+public:
+ /** constructor */
+ ExerciseCompare(QWidget * parent = 0, const char * name = 0);
+
+ /** destructor */
+ ~ExerciseCompare();
+
+ /** force the creation of a new task */
+ void forceNewTask();
+
+public slots:
+ void update();
+
+signals:
+ /** class emits this signal, if the task was solved correctly by the user */
+ void signalExerciseSolvedCorrect();
+
+ /** class emits this signal, if the task was solved not correctly by the user
+ * */
+ void signalExerciseSolvedWrong();
+
+private:
+ short m_currentState;
+
+ RatioWidget* m_firstRatioWidget;
+ RatioWidget* m_secondRatioWidget;
+ QPushButton* m_checkButton;
+ QPushButton* m_signButton;
+ QLabel* result_label;
+
+ QGridLayout* baseGrid;
+ QWidget* baseWidget;
+ QVBoxLayout* realLayout;
+
+ ratio m_firstRatio;
+ ratio m_secondRatio;
+
+ enum SignButtonState
+ {
+ lessThen,
+ greaterThen
+ };
+ SignButtonState m_signButtonState;
+
+ void createTask();
+ void showResult();
+ void nextTask();
+
+private slots:
+ void slotCheckButtonClicked();
+ void slotSignButtonClicked();
+};
+
+#endif