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Formatted qt_sinks.h code

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gabime 2023-07-08 15:27:16 +03:00
parent 72a7ec3eb9
commit bed324e414
1 changed files with 149 additions and 152 deletions
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301
include/spdlog/sinks/qt_sinks.h
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@ -30,13 +30,14 @@ template<typename Mutex>
class qt_sink : public base_sink<Mutex>
{
public:
qt_sink(QObject *qt_object, std::string meta_method): qt_object_(qt_object), meta_method_(std::move(meta_method))
qt_sink(QObject *qt_object, std::string meta_method)
: qt_object_(qt_object)
, meta_method_(std::move(meta_method))
{
if (!qt_object_)
{
throw_spdlog_ex("qt_sink: qt_object is null");
}
}
~qt_sink()
@ -66,166 +67,162 @@ private:
// Colors can be modified if needed using sink->set_color(level, qtTextCharFormat).
// max_lines is the maximum number of lines that the sink will hold before removing the oldest lines.
// Note: Only ascii (latin1) is supported by this sink.
template<typename Mutex>
class qt_color_sink : public base_sink<Mutex>
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)
, max_lines_(max_lines)
{
public:
qt_color_sink(QTextEdit *qt_text_edit, int max_lines)
: qt_text_edit_(qt_text_edit), max_lines_(max_lines)
if (!qt_text_edit_)
{
if (!qt_text_edit_)
{
throw_spdlog_ex("qt_color_text_sink: text_edit is null");
}
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;
throw_spdlog_ex("qt_color_text_sink: text_edit is null");
}
~qt_color_sink()
{
flush_();
}
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;
}
void set_default_color(QTextCharFormat format)
{
// std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
default_color_ = format;
}
~qt_color_sink()
{
flush_();
}
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;
}
void set_default_color(QTextCharFormat format)
{
// std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
default_color_ = 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));
}
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_default_color()
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
return default_color_;
}
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));
}
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;
};
QTextCharFormat &get_default_color()
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
return default_color_;
}
void sink_it_(const details::log_msg &msg) override
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
const 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()));
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
static_cast<int>(msg.color_range_start), // color range start
static_cast<int>(msg.color_range_end)}; // color range end
QMetaObject::invokeMethod(
qt_text_edit_,
[params]() {invoke_method_(params);},
Qt::AutoConnection);
}
void flush_() override {}
// Add colored text to the text edit widget. This method is invoked in the GUI thread.
// It is a static method to ensure that it is handled correctly even if the sink is destroyed prematurely
// before it is invoked.
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);
cursor.setCharFormat(params.default_color);
// if color range not specified or not not valid, just append the text with default color
if(params.color_range_end <= params.color_range_start)
{
cursor.insertText(params.payload);
return;
}
// insert the text before the color range
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_;
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
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
const 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()));
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
static_cast<int>(msg.color_range_start), // color range start
static_cast<int>(msg.color_range_end)}; // color range end
QMetaObject::invokeMethod(
qt_text_edit_, [params]() { invoke_method_(params); }, Qt::AutoConnection);
}
void flush_() override {}
// Add colored text to the text edit widget. This method is invoked in the GUI thread.
// It is a static method to ensure that it is handled correctly even if the sink is destroyed prematurely
// before it is invoked.
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);
cursor.setCharFormat(params.default_color);
// if color range not specified or not not valid, just append the text with default color
if (params.color_range_end <= params.color_range_start)
{
cursor.insertText(params.payload);
return;
}
// insert the text before the color range
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>
@ -283,13 +280,13 @@ inline std::shared_ptr<logger> qt_logger_st(const std::string &logger_name, QObj
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)
{
return Factory::template create<sinks::qt_color_sink_mt >(logger_name, qt_text_edit, max_lines);
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)
{
return Factory::template create<sinks::qt_color_sink_st >(logger_name, qt_text_edit, max_lines);
return Factory::template create<sinks::qt_color_sink_st>(logger_name, qt_text_edit, max_lines);
}
} // namespace spdlog