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c8be819711
This fixes a memory leak that would occur when the Android frontend calls LogManager::Init more than once in order to reload settings. Note that the log window listener is now owned by LogManager instead of by the frontend, making it consistent with the other log listeners.
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <QDockWidget>
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#include <mutex>
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#include <string>
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#include "Common/FixedSizeQueue.h"
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#include "Common/Logging/LogManager.h"
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class QCheckBox;
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class QCloseEvent;
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class QComboBox;
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class QPlainTextEdit;
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class QPushButton;
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class QTimer;
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class LogWidget final : public QDockWidget
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{
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Q_OBJECT
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public:
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explicit LogWidget(QWidget* parent = nullptr);
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~LogWidget();
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protected:
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void closeEvent(QCloseEvent*) override;
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private:
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// LogListener instances are owned by LogManager, so we can't make LogWidget inherit from
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// LogListener, since Qt should be in control of LogWidget's lifetime. Instead we have
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// this LogListenerImpl class to act as an adapter.
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class LogListenerImpl final : public Common::Log::LogListener
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{
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public:
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explicit LogListenerImpl(LogWidget* log_widget) : m_log_widget(log_widget) {}
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private:
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void Log(Common::Log::LogLevel level, const char* text) override
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{
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m_log_widget->Log(level, text);
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}
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LogWidget* m_log_widget;
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};
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void UpdateLog();
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void UpdateFont();
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void CreateWidgets();
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void ConnectWidgets();
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void LoadSettings();
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void SaveSettings();
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void Log(Common::Log::LogLevel level, const char* text);
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// Log
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QCheckBox* m_log_wrap;
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QComboBox* m_log_font;
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QPushButton* m_log_clear;
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QPlainTextEdit* m_log_text;
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QTimer* m_timer;
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using LogEntry = std::pair<std::string, Common::Log::LogLevel>;
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// Maximum number of lines to show in log viewer
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static constexpr int MAX_LOG_LINES = 5000;
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std::mutex m_log_mutex;
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Common::FixedSizeQueue<LogEntry, MAX_LOG_LINES> m_log_ring_buffer;
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};
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