Simplified Qt sinks

Removed private class that derived from QObject

include/spdlog/sinks/qt_sinks .h

@@ -0,0 +1,129 @@
+// 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>
+
+//
+// qtextedit_sink class
+//
+namespace spdlog {
+namespace sinks {
+template <typename Mutex>
+class qtextedit_sink : public base_sink<Mutex> {
+public:
+  qtextedit_sink(QTextEdit *textedit = nullptr) {
+    if (textedit != nullptr) {
+        qtextedit = textedit;
+    } else {
+      throw spdlog_ex("Error opening QTextEdit");
+    }
+  }
+
+  ~qtextedit_sink() { flush_(); }
+
+protected:
+  void sink_it_(const details::log_msg &msg) override {
+      if(qtextedit == nullptr)
+          return;
+    memory_buf_t formatted;
+    base_sink<Mutex>::formatter_->format(msg, formatted);
+    string_view_t str = string_view_t(formatted.data(), formatted.size());
+    QMetaObject::invokeMethod(qtextedit,"append", Qt::AutoConnection, Q_ARG(QString, QString::fromUtf8(str.data(), static_cast<int>(str.size() - 2))));
+  }
+
+  void flush_() override {}
+
+private:
+    QTextEdit* qtextedit = nullptr;
+};
+
+//
+// qplaintextedit_sink class
+//
+template <typename Mutex>
+class qplaintextedit_sink : public base_sink<Mutex> {
+public:
+    qplaintextedit_sink(QPlainTextEdit *textedit = nullptr) {
+        if (textedit != nullptr) {
+            qplaintextedit = textedit;
+        } else {
+            throw spdlog_ex("Error opening QPlainTextEdit");
+        }
+    }
+
+    ~qplaintextedit_sink() { flush_(); }
+
+protected:
+    void sink_it_(const details::log_msg &msg) override {
+        if(qplaintextedit == nullptr)
+            return;
+        memory_buf_t formatted;
+        base_sink<Mutex>::formatter_->format(msg, formatted);
+        string_view_t str = string_view_t(formatted.data(), formatted.size());
+        QMetaObject::invokeMethod(qplaintextedit, "appendPlainText", Qt::AutoConnection, Q_ARG(QString, QString::fromUtf8(str.data(), static_cast<int>(str.size() - 2))));
+    }
+
+    void flush_() override {}
+
+private:
+    QPlainTextEdit* qplaintextedit = nullptr;
+};
+
+#include "spdlog/details/null_mutex.h"
+#include <mutex>
+using qtextedit_sink_mt = qtextedit_sink<std::mutex>;
+using qtextedit_sink_st = qtextedit_sink<spdlog::details::null_mutex>;
+
+using qplaintextedit_sink_mt = qplaintextedit_sink<std::mutex>;
+using qplaintextedit_sink_st = qplaintextedit_sink<spdlog::details::null_mutex>;
+
+} // namespace sinks
+
+//
+// Factory functions
+//
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qtextedit_logger_mt(const std::string &logger_name,
+                    QTextEdit *qtextedit = nullptr) {
+  return Factory::template create<sinks::qtextedit_sink_mt>(logger_name,
+                                                            qtextedit);
+}
+
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qtextedit_logger_st(const std::string &logger_name,
+                    QTextEdit *qtextedit = nullptr) {
+  return Factory::template create<sinks::qtextedit_sink_st>(logger_name,
+                                                            qtextedit);
+}
+
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qplaintextedit_logger_mt(const std::string &logger_name,
+                    QPlainTextEdit *qplaintextedit = nullptr) {
+    return Factory::template create<sinks::qplaintextedit_sink_mt>(logger_name,
+                                                              qplaintextedit);
+}
+
+template <typename Factory = spdlog::synchronous_factory>
+inline std::shared_ptr<logger>
+qplaintextedit_logger_st(const std::string &logger_name,
+                    QPlainTextEdit *qplaintextedit = nullptr) {
+    return Factory::template create<sinks::qplaintextedit_sink_st>(logger_name,
+                                                              qplaintextedit);
+}
+} // namespace spdlog