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visualization/SGanttView.h

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/* #start# ***********************************************************

           Scheduling Simulator
        Lehrstuhl f"ur Effiziente Algorithmen
           Technische Universit"at M"unchen

 File    : $Id: SGanttView.h,v 1.11 2003/03/12 09:07:41 woerster Exp $

 Purpose : This view is the parent view for the gantt view element. It manages
           the graphical context and the mouse events.
           It is a pure SViewEl-Container.

 * #end# ************************************************************* */

#ifndef SGANTTVIEW_H
#define SGANTTVIEW_H

// system header files

// project header files
#include "SView.h"
#include "../general/SObserver.h"
#include "../logging/SGanttLog.h"

// QT header files
#include <qaction.h>
#include <qcanvas.h>
#include <qfont.h>
#include <qpixmap.h>
#include <qpopupmenu.h>
#include <qevent.h>
#include <qstring.h>
#include <qscrollview.h>
#include <qtoolbar.h>

class SGanttView : public QCanvasView, public SObserver
{
  Q_OBJECT


public:

  enum HitInfo { OnContext, OnJob, OnMachine }; 

  
  SGanttView( STaskSystem &ts, QWidget* parent = 0, QString name = 0 );

  ~SGanttView(); 


  // void repaint( QRect rect );


  void addToToolbar(QToolBar* toolbar);

  
public slots:

  void load();

  
protected:

  virtual void contentsMousePressEvent( QMouseEvent* );

  
  //virtual void drawContents(QPainter *p, int clipx, int clipy, int clipw, int cliph);
  //virtual void viewportPaintEvent(QPaintEvent* pe);


   
  QRegion getRegion() ;

  
  virtual bool isAffectedBy( QMouseEvent* e );

  
  void setPos( QPoint p );

  
  virtual void update( const class SEvent & );

  
//  virtual void repaint( QRect rect );


  QColor lighterGray() { return QColor(220, 220, 225); };

  
  void draw3DRect(int x, int y, int w, int h, const QColor &color);
  void draw3DRect(const QRect &r, const QColor &color) {
    draw3DRect(r.x(), r.y(), r.width(), r.height(), color); };

  void drawText(int x, int y, int textFlags, const QString &text, const QColor &color = black);

  
  void resizeCheck();

  
private:


  QCanvas *_pCanvas;

  STaskSystem *_pTaskSystem;

  
  SGanttLog *_pGanttLog;

  
  double _curSimTime;

  
  QPopupMenu *_pContextMenu, *_pJobMenu, *_pMachMenu;
  int _placeHere, _autoAdjust, _defSize, _fitSize,
    _zoomIn, _zoomOut, _showFuture;

  bool _bAutoAdjust, _bShowFuture;

    
  int _minW;

  
  int _minH;

  
  bool _resetNeeded;

  
  int _machines;

  
  int _x;

  
  int _y;

  
  int _w;

  
  int _h;

  
  int _selectedItem;


  QFont _myFont;


  /* Action to zoom out the GanttView */
  QAction* _zoomOutAction;


  /* Action to zoom in the GanttView */
  QAction* _zoomInAction;


  /* Action to set the size of the GanttView to the default value */
  QAction* _defSizeAction;


  /* Action to set the Autaadjustment of the GanttView size on/off */
  QAction* _autoAdjustAction;


  /* Action to set the size of the GanttView to the size of the window */
  QAction* _fitSizeAction;


  /* Action to enable/disable the display of the future jobs */
  QAction* _showFutureAction;


  /* Action to zoom to the current cursor position */
  QAction* _placeAction;


  /* Action to display the properties of the selected job */
  QAction* _jobPropertiesAction;


  /* Action to show the properties of teh selected machine */
  QAction* _machPropertiesAction;


  /* the backgroundbuffer */
  QPixmap* _pBuffer;
  
  void init();

  
  HitInfo hitTest( QPoint p );

  
  void adjustTimeline();

  
  void paintChart();

  
  void paintBackground();

/*  void repaintContents() { 
    QScrollView::repaintContents(contentsX(), contentsY(), 
         contentsWidth(), contentsHeight());
  }
*/

  void updateChart();

private slots:

  void place();

  
  void autoAdjust(bool adjust);

  
  void defSize();

  
  void fitSize();

  
  void zoomIn();

  
  void zoomOut();

  
  void toggleShowFuture(bool show);

  
  void jobProperties();

  
  void machProperties();
};

#endif //SGANTTVIEW_H

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