100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
/*
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This file is part of Mitsuba, a physically based rendering system.
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Copyright (c) 2007-2010 by Wenzel Jakob and others.
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Mitsuba is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License Version 3
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as published by the Free Software Foundation.
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Mitsuba is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(__LOGWIDGET_H)
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#define __LOGWIDGET_H
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#include "common.h"
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#include <mitsuba/core/appender.h>
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namespace mitsuba {
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class RenderJob;
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};
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class QConsoleAppender : public QObject, public Appender {
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Q_OBJECT
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public:
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QConsoleAppender() {
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m_timer = new Timer();
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m_ignoreMessages = false;
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m_messageCount = 0;
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}
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void append(ELogLevel level, const std::string &message) {
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if (!m_ignoreMessages) {
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emit textMessage(level, QString::fromLatin1(message.c_str()));
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if (level >= EWarn)
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floodCheck();
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}
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}
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void logProgress(Float progress, const std::string &name,
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const std::string &formatted, const std::string &eta,
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const void *ptr) {
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emit progressMessage((RenderJob *) ptr,
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QString::fromLatin1(name.c_str()), (float) progress,
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QString::fromLatin1(eta.c_str()));
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}
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void floodCheck() {
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++m_messageCount;
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int ms = m_timer->getMilliseconds();
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if (ms > 1000) {
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Float messagesPerSecond = m_messageCount / (ms / 1000.0f);
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if (messagesPerSecond > 1000) {
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emit textMessage(EError,
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QString("Flood alert: received %1 messages in %2 ms! Ignoring "
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"future messages to prevent the user interface from freezing. "
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"Note: this only concerns the UI, all messages will still be written to the log file.")
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.arg(m_messageCount).arg(m_timer->getMilliseconds()));
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m_ignoreMessages = true;
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emit criticalError("The console is being flooded with messages and will now shut down to "
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"prevent the user interface from freezing. Please refer to the console messages to "
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"find out what happened.");
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}
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m_messageCount = 0;
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m_timer->reset();
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}
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}
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signals:
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void criticalError(const QString &message);
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void textMessage(ELogLevel level, const QString &message);
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void progressMessage(const RenderJob *job, const QString &name,
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float progress, const QString &eta);
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private:
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ref<Timer> m_timer;
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bool m_ignoreMessages;
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size_t m_messageCount;
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};
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class LogWidget : public QMainWindow {
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Q_OBJECT
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public:
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LogWidget(QWidget *parent);
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virtual ~LogWidget();
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void show();
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public slots:
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void onTextMessage(ELogLevel level, const QString &message);
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void onCriticalError(const QString &message);
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void onShowStats();
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private:
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QTextEdit *m_contents;
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};
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#endif /* __LOGWIDGET_H */
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