ExerciseOverlay.h

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// Copyright 2015 - 2026, GIBIS-UNIFESP and the wiRedPanda contributors
// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include <QColor>
#include <QWidget>
 
#include "App/Exercise/ExerciseStep.h"
 
class QLabel;
class QPushButton;
class ExerciseEngine;

class ExerciseOverlay : public QWidget
{
    Q_OBJECT
    friend class TestExerciseEngine;
 
public:
    explicit ExerciseOverlay(ExerciseEngine *engine, QWidget *parent = nullptr);

    void repositionToParent();
 
public slots:
    void onStepChanged(int step, int total, const ExerciseStep &stepData);
    void onExerciseCompleted();
    void onRetranslated();
 
signals:
    void closeRequested();
 
protected:
    void paintEvent(QPaintEvent *event) override;
 
private:
    void setupUi();
    void updateNextButton(bool isLastStep);
    void applyTheme();

    static int scaledFontPx(int basePx);
 
    ExerciseEngine *m_engine;
 
    QColor m_bgColor;
    QColor m_textColor;
    QColor m_hintColor;
    QColor m_counterColor;
 
    QLabel       *m_stepCounter      = nullptr;
    QLabel       *m_instructionLabel = nullptr;
    QLabel       *m_hintLabel        = nullptr;
    QPushButton  *m_hintButton       = nullptr;
    QPushButton  *m_prevButton       = nullptr;
    QPushButton  *m_nextButton       = nullptr;
    QPushButton  *m_closeButton      = nullptr;
 
    bool m_hintVisible = false;
};