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Merge pull request #8337 from CookiePLMonster/log-widget-improvements

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Log widget improvements
This commit is contained in:
Connor McLaughlin
2019-10-01 23:42:16 +10:00
committed by GitHub
parent 66433cef6f 6bfa4fa643
commit b319f823bf
4 changed files with 195 additions and 97 deletions
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149
Source/Core/DolphinQt/Config/LogWidget.cpp
View File

@ -8,27 +8,27 @@
#include <QComboBox>
#include <QFont>
#include <QFontDatabase>
#include <QGroupBox>
#include <QGridLayout>
#include <QPlainTextEdit>
#include <QPushButton>
#include <QScrollBar>
#include <QTextEdit>
#include <QTimer>
#include <QVBoxLayout>
#include "Common/FileUtil.h"
#include "Common/StringUtil.h"
#include "Core/ConfigManager.h"
#include "DolphinQt/QtUtils/QueueOnObject.h"
#include "DolphinQt/Settings.h"
// Delay in ms between calls of UpdateLog()
constexpr int UPDATE_LOG_DELAY = 100;
// Maximum lines to process at a time
constexpr int MAX_LOG_LINES = 200;
constexpr size_t MAX_LOG_LINES_TO_UPDATE = 200;
// Timestamp length
constexpr int TIMESTAMP_LENGTH = 10;
constexpr size_t TIMESTAMP_LENGTH = 10;
// A helper function to construct QString from std::string_view in one line
static QString QStringFromStringView(std::string_view str)
{
return QString::fromUtf8(str.data(), static_cast<int>(str.size()));
}
LogWidget::LogWidget(QWidget* parent) : QDockWidget(parent), m_timer(new QTimer(this))
{
@ -44,7 +44,12 @@ LogWidget::LogWidget(QWidget* parent) : QDockWidget(parent), m_timer(new QTimer(
ConnectWidgets();
connect(m_timer, &QTimer::timeout, this, &LogWidget::UpdateLog);
m_timer->start(UPDATE_LOG_DELAY);
connect(this, &QDockWidget::visibilityChanged, [this](bool visible) {
if (visible)
m_timer->start(UPDATE_LOG_DELAY);
else
m_timer->stop();
});
connect(&Settings::Instance(), &Settings::DebugFontChanged, this, &LogWidget::UpdateFont);
@ -60,36 +65,47 @@ LogWidget::~LogWidget()
void LogWidget::UpdateLog()
{
std::lock_guard<std::mutex> lock(m_log_mutex);
if (m_log_queue.empty())
return;
auto* vscroll = m_log_text->verticalScrollBar();
auto* hscroll = m_log_text->horizontalScrollBar();
// If the vertical scrollbar is within 50 units of the maximum value, count it as being at the
// bottom
bool vscroll_bottom = vscroll->maximum() - vscroll->value() < 50;
int old_horizontal = hscroll->value();
int old_vertical = vscroll->value();
for (int i = 0; !m_log_queue.empty() && i < MAX_LOG_LINES; i++)
std::vector<LogEntry> elements_to_push;
{
m_log_text->append(m_log_queue.front());
m_log_queue.pop();
std::lock_guard lock(m_log_mutex);
if (m_log_ring_buffer.empty())
return;
elements_to_push.reserve(std::min(MAX_LOG_LINES_TO_UPDATE, m_log_ring_buffer.size()));
for (size_t i = 0; !m_log_ring_buffer.empty() && i < MAX_LOG_LINES_TO_UPDATE; i++)
elements_to_push.push_back(std::move(m_log_ring_buffer.pop_front()));
}
if (hscroll->value() != old_horizontal)
hscroll->setValue(old_horizontal);
if (vscroll->value() != old_vertical)
for (auto& line : elements_to_push)
{
if (vscroll_bottom)
vscroll->setValue(vscroll->maximum());
else
vscroll->setValue(old_vertical);
const char* color = "white";
switch (std::get<LogTypes::LOG_LEVELS>(line))
{
case LogTypes::LOG_LEVELS::LERROR:
color = "red";
break;
case LogTypes::LOG_LEVELS::LWARNING:
color = "yellow";
break;
case LogTypes::LOG_LEVELS::LNOTICE:
color = "lime";
break;
case LogTypes::LOG_LEVELS::LINFO:
color = "cyan";
break;
case LogTypes::LOG_LEVELS::LDEBUG:
color = "lightgrey";
break;
}
const std::string_view str_view(std::get<std::string>(line));
m_log_text->appendHtml(
QStringLiteral("%1 <span style=\"color: %2; white-space: pre\">%3</span>")
.arg(QStringFromStringView(str_view.substr(0, TIMESTAMP_LENGTH)),
QString::fromUtf8(color),
QStringFromStringView(str_view.substr(TIMESTAMP_LENGTH)).toHtmlEscaped()));
}
}
@ -115,8 +131,7 @@ void LogWidget::UpdateFont()
void LogWidget::CreateWidgets()
{
// Log
m_tab_log = new QWidget;
m_log_text = new QTextEdit;
m_log_text = new QPlainTextEdit;
m_log_wrap = new QCheckBox(tr("Word Wrap"));
m_log_font = new QComboBox;
m_log_clear = new QPushButton(tr("Clear"));
@ -124,7 +139,6 @@ void LogWidget::CreateWidgets()
m_log_font->addItems({tr("Default Font"), tr("Monospaced Font"), tr("Selected Font")});
auto* log_layout = new QGridLayout;
m_tab_log->setLayout(log_layout);
log_layout->addWidget(m_log_wrap, 0, 0);
log_layout->addWidget(m_log_font, 0, 1);
log_layout->addWidget(m_log_clear, 0, 2);
@ -136,6 +150,8 @@ void LogWidget::CreateWidgets()
setWidget(widget);
m_log_text->setReadOnly(true);
m_log_text->setUndoRedoEnabled(false);
m_log_text->setMaximumBlockCount(MAX_LOG_LINES);
QPalette palette = m_log_text->palette();
palette.setColor(QPalette::Base, Qt::black);
@ -145,13 +161,15 @@ void LogWidget::CreateWidgets()
void LogWidget::ConnectWidgets()
{
connect(m_log_clear, &QPushButton::clicked, m_log_text, &QTextEdit::clear);
connect(m_log_clear, &QPushButton::clicked, [this] {
m_log_text->clear();
m_log_ring_buffer.clear();
});
connect(m_log_wrap, &QCheckBox::toggled, this, &LogWidget::SaveSettings);
connect(m_log_font, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this,
&LogWidget::SaveSettings);
connect(this, &QDockWidget::topLevelChanged, this, &LogWidget::SaveSettings);
connect(&Settings::Instance(), &Settings::LogVisibilityChanged, this,
[this](bool visible) { setHidden(!visible); });
connect(&Settings::Instance(), &Settings::LogVisibilityChanged, this, &LogWidget::setVisible);
}
void LogWidget::LoadSettings()
@ -163,7 +181,8 @@ void LogWidget::LoadSettings()
// Log - Wrap Lines
m_log_wrap->setChecked(settings.value(QStringLiteral("logging/wraplines")).toBool());
m_log_text->setLineWrapMode(m_log_wrap->isChecked() ? QTextEdit::WidgetWidth : QTextEdit::NoWrap);
m_log_text->setLineWrapMode(m_log_wrap->isChecked() ? QPlainTextEdit::WidgetWidth :
QPlainTextEdit::NoWrap);
// Log - Font Selection
// Currently "Debugger Font" is not supported as there is no Qt Debugger, defaulting to Monospace
@ -180,7 +199,8 @@ void LogWidget::SaveSettings()
// Log - Wrap Lines
settings.setValue(QStringLiteral("logging/wraplines"), m_log_wrap->isChecked());
m_log_text->setLineWrapMode(m_log_wrap->isChecked() ? QTextEdit::WidgetWidth : QTextEdit::NoWrap);
m_log_text->setLineWrapMode(m_log_wrap->isChecked() ? QPlainTextEdit::WidgetWidth :
QPlainTextEdit::NoWrap);
// Log - Font Selection
settings.setValue(QStringLiteral("logging/font"), m_log_font->currentIndex());
@ -189,40 +209,13 @@ void LogWidget::SaveSettings()
void LogWidget::Log(LogTypes::LOG_LEVELS level, const char* text)
{
// The text has to be copied here as it will be deallocated after this method has returned
std::string str(text);
size_t text_length = strlen(text);
while (text_length > 0 && text[text_length - 1] == '\n')
text_length--;
QueueOnObject(this, [this, level, str]() mutable {
std::lock_guard<std::mutex> lock(m_log_mutex);
const char* color = "white";
switch (level)
{
case LogTypes::LOG_LEVELS::LERROR:
color = "red";
break;
case LogTypes::LOG_LEVELS::LWARNING:
color = "yellow";
break;
case LogTypes::LOG_LEVELS::LNOTICE:
color = "lime";
break;
case LogTypes::LOG_LEVELS::LINFO:
color = "cyan";
break;
case LogTypes::LOG_LEVELS::LDEBUG:
color = "lightgrey";
break;
}
StringPopBackIf(&str, '\n');
m_log_queue.push(
QStringLiteral("%1 <span style=\"color: %2; white-space: pre\">%3</span>")
.arg(QString::fromStdString(str.substr(0, TIMESTAMP_LENGTH)),
QString::fromStdString(color),
QString::fromStdString(str.substr(TIMESTAMP_LENGTH)).toHtmlEscaped()));
});
std::lock_guard lock(m_log_mutex);
m_log_ring_buffer.emplace(std::piecewise_construct, std::forward_as_tuple(text, text_length),
std::forward_as_tuple(level));
}
void LogWidget::closeEvent(QCloseEvent*)

17
Source/Core/DolphinQt/Config/LogWidget.h
View File

@ -7,16 +7,16 @@
#include <QDockWidget>
#include <mutex>
#include <queue>
#include <string>
#include "Common/FixedSizeQueue.h"
#include "Common/Logging/LogManager.h"
class QCheckBox;
class QCloseEvent;
class QComboBox;
class QPlainTextEdit;
class QPushButton;
class QVBoxLayout;
class QTextEdit;
class QTimer;
class LogWidget final : public QDockWidget, LogListener
@ -43,12 +43,15 @@ private:
QCheckBox* m_log_wrap;
QComboBox* m_log_font;
QPushButton* m_log_clear;
QVBoxLayout* m_main_layout;
QTextEdit* m_log_text;
QWidget* m_tab_log;
QPlainTextEdit* m_log_text;
QTimer* m_timer;
using LogEntry = std::pair<std::string, LogTypes::LOG_LEVELS>;
// Maximum number of lines to show in log viewer
static constexpr int MAX_LOG_LINES = 5000;
std::mutex m_log_mutex;
std::queue<QString> m_log_queue;
FixedSizeQueue<LogEntry, MAX_LOG_LINES> m_log_ring_buffer;
};