qt_sinks.h
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// Copyright(c) 2015-present, Gabi Melman, mguludag and spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
//
// Custom sink for QPlainTextEdit or QTextEdit and its childs(QTextBrowser...
// etc) Building and using requires Qt library.
//
#include "spdlog/common.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/details/synchronous_factory.h"
#include "spdlog/sinks/base_sink.h"
#include <QTextEdit>
#include <QPlainTextEdit>
//
// qt_sink class
//
namespace spdlog {
namespace sinks {
template <typename Mutex> class qt_sink : public base_sink<Mutex> {
public:
qt_sink(QObject *qt_object = nullptr, const std::string &meta_method = "") {
qt_object_ = qt_object;
meta_method_ = meta_method;
}
~qt_sink() { flush_(); }
protected:
void sink_it_(const details::log_msg &msg) override {
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
string_view_t str = string_view_t(formatted.data(), formatted.size());
QMetaObject::invokeMethod(qt_object_, meta_method_.c_str(), Qt::AutoConnection,
Q_ARG(QString, QString::fromUtf8(str.data(), static_cast<int>(str.size())).trimmed()));
}
void flush_() override {}
private:
QObject *qt_object_ = nullptr;
std::string meta_method_;
};
#include "spdlog/details/null_mutex.h"
#include <mutex>
using qt_sink_mt = qt_sink<std::mutex>;
using qt_sink_st = qt_sink<spdlog::details::null_mutex>;
} // namespace sinks
//
// Factory functions
//
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger>
qt_logger_mt(const std::string &logger_name, QTextEdit* qt_object, const std::string &meta_method = "append") {
return Factory::template create<sinks::qt_sink_mt>(logger_name, qt_object, meta_method);
}
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger>
qt_logger_st(const std::string &logger_name, QTextEdit* qt_object, const std::string &meta_method = "append") {
return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
}
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger>
qt_logger_mt(const std::string &logger_name, QPlainTextEdit* qt_object , const std::string &meta_method = "appendPlainText") {
return Factory::template create<sinks::qt_sink_mt>(logger_name, qt_object, meta_method);
}
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger>
qt_logger_st(const std::string &logger_name, QPlainTextEdit* qt_object, const std::string &meta_method = "appendPlainText") {
return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
}
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger>
qt_logger_mt(const std::string &logger_name, QObject* qt_object, const std::string &meta_method) {
return Factory::template create<sinks::qt_sink_mt>(logger_name, qt_object, meta_method);
}
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger>
qt_logger_st(const std::string &logger_name, QObject* qt_object, const std::string &meta_method) {
return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
}
} // namespace spdlog