ecvConsole.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// CV_CORE_LIB
#include <CVLog.h>
 
// Qt
#include <QFile>
#include <QListWidget>
#include <QMutex>
#include <QTimer>
 
class MainWindow;
class QTextStream;
 
class ecvCustomQListWidget : public QListWidget {
    Q_OBJECT
 
public:
    ecvCustomQListWidget(QWidget* parent = nullptr);
 
protected:
    void keyPressEvent(QKeyEvent* event) override;
};
 
class ecvConsole : public QObject, public CVLog {
    Q_OBJECT
 
public:
    ~ecvConsole() override;
 
 
    static void Init(QListWidget* textDisplay = nullptr,
                     QWidget* parentWidget = nullptr,
                     MainWindow* parentWindow = nullptr,
                     bool redirectToStdOut = false);
 
 
    static ecvConsole* TheInstance(bool autoInit = true);
 
    static void ReleaseInstance(bool flush = true);
 
    void setAutoRefresh(bool state);
 
 
    bool setLogFile(const QString& logPrefix);
 
    static void EnableQtMessages(bool state);
 
    static bool QtMessagesEnabled() { return s_showQtMessagesInConsole; }
 
    inline QWidget* parentWidget() { return m_parentWidget; }
 
public slots:
 
    void refresh();
 
protected:
    static QString generateLogFileName(const QString& prefix);
 
    static QString getLogDirectory();
 
    ecvConsole();
 
    // inherited from CVLog
    void logMessage(const QString& message, int level) override;
 
    QListWidget* m_textDisplay;
 
    QWidget* m_parentWidget;
 
    MainWindow* m_parentWindow;
 
    QMutex m_mutex;
 
    using ConsoleItemType = QPair<QString, int>;
 
    QVector<ConsoleItemType> m_queue;
 
    QTimer m_timer;
 
    QFile m_logFile;
    QTextStream* m_logStream;
 
    static bool s_showQtMessagesInConsole;
    static bool s_redirectToStdOut;
};