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103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/**
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* @file MessageWindow.cpp
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* @brief MessageWindow Implementation.
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* @see MessageWindow.h
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* @author Micha? Policht
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*/
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#include <stdio.h>
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#include "MessageWindow.h"
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#include <QMessageBox>
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#include <QCoreApplication>
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#include <QMutexLocker>
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const char *MessageWindow::WINDOW_TITLE = "Message Window";
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MessageWindow *MessageWindow::MsgHandler = NULL;
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MessageWindow::MessageWindow(QWidget *parent, Qt::WindowFlags flags)
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: QDockWidget(parent, flags),
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msgTextEdit(this)
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{
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setWindowTitle(tr(WINDOW_TITLE));
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msgTextEdit.setReadOnly(true);
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setWidget(&msgTextEdit);
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MessageWindow::MsgHandler = this;
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}
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//static
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QString MessageWindow::QtMsgToQString(QtMsgType type, const char *msg)
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{
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switch (type) {
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case QtDebugMsg:
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return QLatin1String("Debug: ")+QLatin1String(msg);
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case QtWarningMsg:
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return QLatin1String("Warning: ")+QLatin1String(msg);
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case QtCriticalMsg:
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return QLatin1String("Critical: ")+QLatin1String(msg);
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case QtFatalMsg:
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return QLatin1String("Fatal: ")+QLatin1String(msg);
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default:
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return QLatin1String("Unrecognized message type: ")+QLatin1String(msg);
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}
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}
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//static
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void MessageWindow::AppendMsgWrapper(QtMsgType type, const char *msg)
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{
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static QMutex mutex;
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QMutexLocker locker(&mutex);
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if (MessageWindow::MsgHandler != NULL)
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return MessageWindow::MsgHandler->postMsgEvent(type, msg);
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else
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fprintf(stderr, "%s", MessageWindow::QtMsgToQString(type, msg).toLatin1().data());
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}
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#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
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void MessageWindow::AppendMsgWrapper(QtMsgType type, const QMessageLogContext & /*context*/, const QString &msg)
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{
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AppendMsgWrapper(type, msg.toLatin1().data());
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}
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#endif
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void MessageWindow::customEvent(QEvent *event)
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{
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if (static_cast<MessageWindow::EventType>(event->type()) == MessageWindow::MessageEventType)
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msgTextEdit.append(dynamic_cast<MessageEvent *>(event)->msg);
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}
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void MessageWindow::postMsgEvent(QtMsgType type, const char *msg)
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{
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QString qmsg = MessageWindow::QtMsgToQString(type, msg);
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switch (type) {
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case QtDebugMsg:
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break;
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case QtWarningMsg:
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qmsg.prepend(QLatin1String("<FONT color=\"#FF0000\">"));
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qmsg.append(QLatin1String("</FONT>"));
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break;
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case QtCriticalMsg:
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if (QMessageBox::critical(this, QLatin1String("Critical Error"), qmsg,
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QMessageBox::Ignore,
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QMessageBox::Abort,
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QMessageBox::NoButton) == QMessageBox::Abort)
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abort(); // core dump
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qmsg.prepend(QLatin1String("<B><FONT color=\"#FF0000\">"));
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qmsg.append(QLatin1String("</FONT></B>"));
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break;
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case QtFatalMsg:
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QMessageBox::critical(this, QLatin1String("Fatal Error"), qmsg, QMessageBox::Ok, QMessageBox::NoButton, QMessageBox::NoButton);
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abort(); // deliberately core dump
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}
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//it's impossible to change GUI directly from thread other than the main thread
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//so post message encapsulated by MessageEvent to the main thread's event queue
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QCoreApplication::postEvent(this, new MessageEvent(qmsg));
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}
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MessageEvent::MessageEvent(QString &msg):
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QEvent(static_cast<QEvent::Type>(MessageWindow::MessageEventType))
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{
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this->msg = msg;
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}
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