62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
#ifndef CALCULATORPLUGIN_H
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#define CALCULATORPLUGIN_H
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#include <../../src/interface.h>
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#include <cmath>
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#include <QObject>
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#include <QtPlugin>
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#include <QString>
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#include <QWidget>
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#include <QImage>
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#include <QLineEdit>
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QT_BEGIN_NAMESPACE
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class QLineEdit;
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QT_END_NAMESPACE
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class Button;
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class CalculatorPlugin : public QObject, public Interface
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{
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Q_OBJECT
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Q_PLUGIN_METADATA(IID "org.SOM.Interface" FILE "CalculatorPlugin.json")
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Q_INTERFACES(Interface)
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public:
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QString pname() override;
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QString pdesc() override;
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QWidget *pcontent() override;
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void connectToHost(QObject* host) override;
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private:
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QLineEdit *display;
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enum { NumDigitButtons = 10 };
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Button *digitButtons[NumDigitButtons];
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Button *createButton(const QString &text, const char *member);
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bool waitingForOperand;
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double sumSoFar;
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double factorSoFar;
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double sumInMemory;
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QString pendingAdditiveOperator;
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QString pendingMultiplicativeOperator;
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void abortOperation();
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bool calculate(double rightOperand, const QString &pendingOperator);
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private slots:
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void digitClicked();
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void unaryOperatorClicked();
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void additiveOperatorClicked();
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void multiplicativeOperatorClicked();
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void equalClicked();
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void pointClicked();
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void changeSignClicked();
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void backspaceClicked();
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void clear();
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void clearAll();
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void clearMemory();
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void readMemory();
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void setMemory();
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void addToMemory();
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};
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#endif
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