/kde/autobuild/kdebase/ksysguard/gui/WorkSheet.h

/*
    KSysGuard, the KDE System Guard
   
    Copyright (c) 1999 - 2002 Chris Schlaeger <cs@kde.org>
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of version 2 of the GNU General Public
    License as published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    KSysGuard is currently maintained by Chris Schlaeger <cs@kde.org>.
    Please do not commit any changes without consulting me first. Thanks!

*/

#ifndef KSG_WORKSHEET_H
#define KSG_WORKSHEET_H

#include <tqwidget.h>

#include <SensorDisplay.h>

class TQDomElement;
class TQDragEnterEvent;
class TQDropEvent;
class TQGridLayout;
class TQString;
class TQStringList;

class WorkSheet : public TQWidget, public KSGRD::SensorBoard
{
  Q_OBJECT

  public:
    WorkSheet( TQWidget* parent, const char *name = 0 );
    WorkSheet( uint rows, uint columns, uint interval, TQWidget* parent,
               const char *name = 0  );
    ~WorkSheet();

    bool load( const TQString &fileName );
    bool save( const TQString &fileName );

    void cut();
    void copy();
    void paste();

    void setFileName( const TQString &fileName );
    const TQString& fileName() const;

    bool modified() const;

    void setTitle( const TQString &title );
    TQString title() const;

    KSGRD::SensorDisplay* addDisplay( const TQString &hostname,
                                      const TQString &monitor,
                                      const TQString &sensorType,
                                      const TQString &sensorDescr,
                                      uint rows, uint columns );
    //Returns the sensor at position row,column.
    //Return NULL if invalid row or column
    KSGRD::SensorDisplay *display( uint row, uint column );

    void settings();

    void setIsOnTop( bool onTop );

  public slots:
    void showPopupMenu( KSGRD::SensorDisplay *display );
    void setModified( bool mfd );
    void applyStyle();

  signals:
    void sheetModified( TQWidget *sheet );
    void titleChanged( TQWidget *sheet );

  protected:
    virtual TQSize sizeHint() const;
    void dragEnterEvent( TQDragEnterEvent* );
    void dropEvent( TQDropEvent* );
    void customEvent( TQCustomEvent* );

  private:
    void removeDisplay( KSGRD::SensorDisplay *display );

    bool replaceDisplay( uint row, uint column, TQDomElement& element );

    void replaceDisplay( uint row, uint column,
                         KSGRD::SensorDisplay* display = 0 );

    void collectHosts( TQStringList &list );

    void createGrid( uint rows, uint columns );

    void resizeGrid( uint rows, uint columns );

    KSGRD::SensorDisplay* currentDisplay( uint* row = 0, uint* column = 0 );

    void fixTabOrder();

    TQString currentDisplayAsXML();

    bool mModified;

    uint mRows;
    uint mColumns;

    TQGridLayout* mGridLayout;
    TQString mFileName;
    TQString mTitle;

    KSGRD::SensorDisplay*** mDisplayList;
};

#endif

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