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wip color_qt_sink

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gabime 2023-06-17 15:07:00 +03:00
parent 5a6b6cafa8
commit 91280df07e
1 changed files with 199 additions and 2 deletions
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201
include/spdlog/sinks/qt_sinks.h
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@ -16,9 +16,12 @@
#include "spdlog/details/log_msg.h"
#include "spdlog/details/synchronous_factory.h"
#include "spdlog/sinks/base_sink.h"
#include <array>
#include <iostream>
#include <QTextEdit>
#include <QPlainTextEdit>
#include <QApplication>
//
// qt_sink class
@ -45,9 +48,14 @@ protected:
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
auto start = std::chrono::system_clock::now();
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()));
auto elapsed = std::chrono::system_clock::now() - start;
std::cout << "qt_sink::sink_it_ took "
<< std::chrono::duration_cast<std::chrono::microseconds>(elapsed).count() << " micros\n";
}
void flush_() override {}
@ -57,15 +65,189 @@ private:
std::string meta_method_;
};
// QT color sink to QTextEdit.
// Color location is determined by the sink log pattern like in the rest of spdlog sinks.
// Colors can be modified if needed using sink->set_color(level, qtTextCharFormat).
// Note: Only ascii (latin1) is supported by this sink.
template<typename Mutex>
class qt_color_sink : public base_sink<Mutex>
{
public:
qt_color_sink(QTextEdit *qt_text_edit, int max_lines)
: qt_text_edit_(qt_text_edit)
{
if (!qt_text_edit_)
{
throw_spdlog_ex("qt_color_text_sink: text_edit is null");
}
max_lines_ = max_lines;
default_color_ = qt_text_edit_->currentCharFormat();
// set colors
QTextCharFormat format;
// trace
format.setForeground(Qt::gray);
colors_.at(level::trace) = format;
// debug
format.setForeground(Qt::cyan);
colors_.at(level::debug) = format;
// info
format.setForeground(Qt::green);
colors_.at(level::info) = format;
// warn
format.setForeground(Qt::yellow);
colors_.at(level::warn) = format;
// err
format.setForeground(Qt::red);
colors_.at(level::err) = format;
// critical
format.setForeground(Qt::white);
format.setBackground(Qt::red);
colors_.at(level::critical) = format;
}
~qt_color_sink()
{
flush_();
}
void set_default_color(QTextCharFormat format)
{
// std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
default_color_ = format;
}
void set_level_color(level::level_enum color_level, QTextCharFormat format)
{
// std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
colors_.at(static_cast<size_t>(color_level)) = format;
}
QTextCharFormat &get_level_color(level::level_enum color_level)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
return colors_.at(static_cast<size_t>(color_level));
}
QTextCharFormat &get_default_color()
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
return default_color_;
}
protected:
struct invoke_params
{
invoke_params(int max_lines, QTextEdit *q_text_edit, QString payload, QTextCharFormat default_color,
QTextCharFormat level_color, int color_range_start, int color_range_end)
: max_lines(max_lines),
q_text_edit(q_text_edit),
payload(std::move(payload)),
default_color(default_color),
level_color(level_color),
color_range_start(color_range_start),
color_range_end(color_range_end)
{
}
int max_lines;
QTextEdit *q_text_edit;
QString payload;
QTextCharFormat default_color;
QTextCharFormat level_color;
int color_range_start;
int color_range_end;
};
void sink_it_(const details::log_msg &msg) override
{
using this_type = qt_color_sink<Mutex>;
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
auto start = std::chrono::system_clock::now();
string_view_t str = string_view_t(formatted.data(), formatted.size());
// apply the color to the color range in the formatted message.
auto payload = QString::fromLatin1(str.data(), static_cast<int>(str.size()));
// if color needed, apply it as
if (msg.color_range_end > msg.color_range_start)
{
invoke_params params {
max_lines_, // max lines
qt_text_edit_, // text edit to append to
std::move(payload), // text to append
default_color_, // default color
colors_.at(msg.level), // color to apply
msg.color_range_start, // color range start
msg.color_range_end}; // color range end
QMetaObject::invokeMethod(
qt_text_edit_,
[params]() {invoke_method_(params);},
Qt::AutoConnection);
}
else // no color range, just append the text
{
auto *qt_text_edit = qt_text_edit_;
QMetaObject::invokeMethod(
qt_text_edit_,
[qt_text_edit, payload]() {qt_text_edit->append(payload.trimmed());},
Qt::AutoConnection);
}
auto elapsed = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now() - start);
std::cout << "qt_color_sink::sink_it_ took " << elapsed.count() << " micros" << std::endl;
}
void flush_() override {}
// make this static so even if the sink get destroyed we can still can use it
static void invoke_method_(invoke_params params)
{
auto *document = params.q_text_edit->document();
QTextCursor cursor(document);
// remove first blocks if number of blocks exceeds max_lines
while(document->blockCount() > params.max_lines)
{
cursor.select(QTextCursor::BlockUnderCursor);
cursor.removeSelectedText();
cursor.deleteChar(); // delete the newline after the block
}
cursor.movePosition(QTextCursor::End);
// insert the text before the color range
cursor.setCharFormat(params.default_color);
cursor.insertText(params.payload.left(params.color_range_start));
// insert the colorized text
cursor.setCharFormat(params.level_color);
cursor.insertText(params.payload.mid(params.color_range_start, params.color_range_end - params.color_range_start));
// insert the text after the color range with default format
cursor.setCharFormat(params.default_color);
cursor.insertText(params.payload.mid(params.color_range_end));
}
QTextEdit *qt_text_edit_;
int max_lines_;
QTextCharFormat default_color_;
std::array<QTextCharFormat, level::n_levels> colors_;
};
#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>;
using qt_sink_st = qt_sink<details::null_mutex>;
using qt_color_sink_mt = qt_color_sink<std::mutex>;
using qt_color_sink_st = qt_color_sink<details::null_mutex>;
} // namespace sinks
//
// Factory functions
//
// log to QTextEdit
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")
{
@ -78,6 +260,7 @@ inline std::shared_ptr<logger> qt_logger_st(const std::string &logger_name, QTex
return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
}
// log to QPlainTextEdit
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")
@ -91,7 +274,7 @@ inline std::shared_ptr<logger> qt_logger_st(
{
return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
}
// log to QObject
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)
{
@ -103,4 +286,18 @@ inline std::shared_ptr<logger> qt_logger_st(const std::string &logger_name, QObj
{
return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
}
// log to QTextEdit with colorize output
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> qt_color_logger_mt(const std::string &logger_name, QTextEdit *qt_text_edit, int max_lines=5000)
{
return Factory::template create<sinks::qt_color_sink_mt >(logger_name, qt_text_edit, max_lines);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> qt_color_logger_st(const std::string &logger_name, QTextEdit *qt_text_edit, int max_lines=5000)
{
return Factory::template create<sinks::qt_color_sink_st >(logger_name, qt_text_edit);
}
} // namespace spdlog