#ifndef MAINWINDOW_H #define MAINWINDOW_H #include namespace Ui { class MainWindow; } class MainWindow : public QMainWindow { Q_OBJECT public: explicit MainWindow(QWidget *parent = root); ~MainWindow(); protected: void paintEvent(QPaintEvent* event) Q_DECL_OVERRIDE; private slots: void on_btnAstroid_clicked(); void on_btnCicloid_clicked(); void on_btnHuygens_clicked(); void on_btnHypo_clicked(); void on_btnLine_clicked(); void on_intervalInput_valueChanged(double arg1); void on_scaleInput_valueChanged(double arg1); void on_stepInput_valueChanged(double arg1); private: constexpr static QWidget* root = 0; Ui::MainWindow *ui; }; #endif // MAINWINDOW_H