File indexing completed on 2022-12-06 18:52:36

0001 /*
0002     SPDX-FileCopyrightText: 2001-2004 Sebastian Stein <seb.kde@hpfsc.de>
0003     SPDX-FileCopyrightText: 2008 Tadeu Araujo <tadeu.araujo@ltia.fc.unesp.br>
0004     SPDX-FileCopyrightText: 2008 Danilo Balzaque <danilo.balzaque@ltia.fc.unesp.br>
0005 
0006     SPDX-License-Identifier: GPL-2.0-or-later
0007 */
0008 
0009 #ifndef TASKVIEW_H
0010 #define TASKVIEW_H
0011 
0012 #define _CHECK_TASK 0
0013 #define _NEXT_TASK  1
0014 
0015 #include "ExerciseBase.h"
0016 #include "ResultWidget.h"
0017 #include "Task.h"
0018 #include "TaskWidget.h"
0019 
0020 #include <QWidget>
0021 
0022 
0023 class QGridLayout;
0024 class QPushButton;
0025 
0026 class QLineEdit;
0027 class QFrame;
0028 /*! Constructs a QWidget, which shows the task to the user.
0029  *  The class also provides input fields, so that the user can enter the result.
0030  *  It also controls the interaction, so that the entered result gets checked
0031  *  and a new task can be generated.
0032  *  \author Sebastian Stein
0033  * */
0034 class TaskView : public ExerciseBase
0035 {
0036     Q_OBJECT
0037 
0038 public:
0039     /** constructor */
0040     explicit TaskView(QWidget * parent = nullptr,
0041                       bool padd_add = true, bool padd_div = false,
0042                       bool padd_mult = false, bool padd_sub = false,
0043                       unsigned int pnr_ratios = 2, unsigned int pmax_md = 10);
0044 
0045     /** destructor */
0046     ~TaskView() override;
0047 
0048     /** set new task parameters, which will be used for the next task to be
0049      * generated */
0050     void setTaskParameters(bool padd_add = true, bool padd_div = false,
0051                            bool padd_mult = false, bool padd_sub = false,
0052                            unsigned int pnr_ratios = 2, unsigned int pmax_md = 2);
0053 
0054     /** force the creation of a new task */
0055     void forceNewTask() override;
0056 
0057     void setReducedForm(bool value);
0058     void setQuestionMixed(bool value);
0059     void setAnswerMixed(bool value);
0060 
0061 Q_SIGNALS:
0062     /** class emits this signal, if the task was solved correctly by the user */
0063     void signalTaskSolvedCorrect();
0064 
0065     /** class emits this signal, if the task was skipped by the user */
0066     void signalTaskSkipped();
0067 
0068     /** class emits this signal, if the task was solved not correctly by the user
0069      * */
0070     void signalTaskSolvedWrong();
0071 
0072 private:
0073     bool m_questionMixed;
0074     bool m_answerMixed;
0075     bool m_solutionMixed;
0076     bool m_reducedForm;
0077     bool m_addAdd;
0078     bool m_addDiv;
0079     bool m_addMult;
0080     bool m_addSub;
0081     unsigned int nr_ratios;
0082     unsigned int curr_nr_ratios;
0083     unsigned int max_md;
0084     short m_currentState;
0085 
0086     ResultWidget* m_resultWidget;
0087 
0088     QPushButton* m_checkButton;
0089     QPushButton* m_skipButton;
0090 
0091     TaskWidget* m_taskWidget;
0092     QLineEdit* numer_edit;
0093     QFrame* edit_line;
0094     QLineEdit* deno_edit;
0095     QLineEdit* integer_edit;
0096 
0097     QGridLayout* checkLayout;
0098     QGridLayout* taskLayout;
0099     QGridLayout* baseGrid;
0100 
0101     QWidget * checkWidget;
0102     QWidget * taskWidget;
0103 
0104     Task current_task;
0105     Ratio solution;
0106     Ratio entered_result;
0107     QFont defaultFont;
0108 
0109     void showResult();
0110     void nextTask();
0111 
0112     void slotCheckButtonClicked();
0113     void slotSkipButtonClicked();
0114     void numeratorReturnPressed();
0115     void integerReturnPressed();
0116     void denominatorReturnPressed();
0117 
0118 protected:
0119     void showEvent(QShowEvent * event) override;
0120 };
0121 
0122 #endif