loggerWidget.hh 5.2 KB
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/*===========================================================================*\
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*                                                                            *
*                              OpenFlipper                                   *
*      Copyright (C) 2001-2010 by Computer Graphics Group, RWTH Aachen       *
*                           www.openflipper.org                              *
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*--------------------------------------------------------------------------- *
*  This file is part of OpenFlipper.                                         *
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*  or inline functions from this file, or you compile this file and          *
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\*===========================================================================*/

/*===========================================================================*\
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*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
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\*===========================================================================*/
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#ifndef LOGGERWIDGET_HH
#define LOGGERWIDGET_HH

#include <QtGui>

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#include <OpenFlipper/BasePlugin/LoggingInterface.hh>

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/** \brief Implementation of the logger Widget
 *
 * This class adds some special features to the textedit for the log window
 */
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class LoggerWidget : public QWidget
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{

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  Q_OBJECT
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  public:
    LoggerWidget( QWidget *parent = 0 );
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    ~LoggerWidget();
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    /** \brief Append a new logmessage to log viewer
    *
    * Display log message of given logtype
    */
    void append(QString _text, Logtype _type);
    
  protected:
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    /** \brief Grab key events
    *
    * This function grabs all key events and passes them back to the core to handle them correctly
    */
    void keyPressEvent (QKeyEvent * _event );
    
    /** \brief Show context menu
    *
    * This function shows the context menu
    */
    void contextMenuEvent ( QContextMenuEvent * event );
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    /** \brief Called when the widget is shown
    *
    * Function scrolls to bottom if the object gets visible
    */
    void showEvent ( QShowEvent * event );
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  private:
    
    QListWidget* list_;
    
    //scrolling with list_'s scrollbar doesn't work correctly
    //use separate scrollbar as workaround
    QScrollBar* scrollBar_;
    bool blockNext_;
    
    QPushButton* allButton_;
    QPushButton* infoButton_;
    QPushButton* warnButton_;
    QPushButton* errorButton_;
    
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    QPushButton* filterButton_;
    
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    QPushButton* clearButton_;
    
    QMenu* context_;
    
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    QMenu* filterMenu_;
    
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    QTimer loggerUpdateTimer_;
    
    // true if new data is available
    bool newData_;
    
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  public:
    // Action for OpenMesh filters
    QAction* openMeshFilterAction_;
    
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  private slots:
    /// update the list if a button was pressed
    void updateList();
    
    /// workaround for scrolling
    void scrollTo(int _pos);
    /// map scroll position of list to scrollbar position
    void mapScrollPosition(int _pos);
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    /// copy Selected rows to clipboard
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    void copySelected();
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    /// Called when we want to scroll to the bottom
    void slotScrollUpdate();
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    /// Called when filter button is pressed
    void slotFilterMenu();
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};

#endif //LOGGERWIDGET_HH