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/**
* @file MessageWindow.h
* @brief Message Window.
* @see MessageWindow
* @author Micha? Policht
*/
#ifndef MESSAGEWINDOW_H_
#define MESSAGEWINDOW_H_
#include <QDockWidget>
#include <QTextEdit>
#include <QEvent>
/**
* Message Window. Handling errors and other messages.
*/
class MessageWindow: public QDockWidget
{
Q_OBJECT
QTextEdit msgTextEdit; ///< Main widget.
static MessageWindow *MsgHandler; ///< Set in constructor.
static const char *WINDOW_TITLE; ///< Window title.
private:
static QString QtMsgToQString(QtMsgType type, const char *msg);
protected:
/**
* Handle custom events. MessageWindow hadles custom events listed in
* EventType enum.
*/
virtual void customEvent(QEvent* event);
public:
enum EventType {MessageEventType = QEvent::User}; ///< Custom event types.
/**
* Default constructor.
* @param parent parent widget.
* @param flags widget flags.
*/
MessageWindow(QWidget* parent = 0, Qt::WindowFlags flags = 0);
/**
* Append message wrapper. Since ISO forbids casting member functions
* to C functions, wrapper is needed to use this class as QtMsgHandler.
* This method is thread-safe but not reentrant.
* @param type message type.
* @param msg message string.
*/
static void AppendMsgWrapper(QtMsgType type, const char *msg);
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
static void AppendMsgWrapper(QtMsgType type, const QMessageLogContext &context, const QString &msg);
#endif
/**
* Post message event to the main event loop. This function encapsulates
* message into MessageEvent object and passes it to the main event loop.
* @param type message type.
* @param msg message string.
*/
void postMsgEvent(QtMsgType type, const char *msg);
};
/**
* Message Event. Custom event used by @ref MessageWindow to provide multi-threaded
* access. Encapsulates message inside @a msg variable.
*/
class MessageEvent: public QEvent
{
public:
QString msg; ///< Message string.
/**
* Contructor.
* @param msg message to post.
*/
MessageEvent(QString &msg);
};
#endif /*MESSAGEWINDOW_H_*/