OpenSG: OSGQFieldView_qt.h Source File

00001 /*---------------------------------------------------------------------------*\
00002  *                                OpenSG                                     *
00003  *                                                                           *
00004  *                                                                           *
00005  *             Copyright (C) 2000-2002 by the OpenSG Forum                   *
00006  *                                                                           *
00007  *                            www.opensg.org                                 *
00008  *                                                                           *
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00010  *                                                                           *
00011 \*---------------------------------------------------------------------------*/
00012 /*---------------------------------------------------------------------------*\
00013  *                                License                                    *
00014  *                                                                           *
00015  * This library is free software; you can redistribute it and/or modify it   *
00016  * under the terms of the GNU Library General Public License as published    *
00017  * by the Free Software Foundation, version 2.                               *
00018  *                                                                           *
00019  * This library is distributed in the hope that it will be useful, but       *
00020  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
00021  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
00022  * Library General Public License for more details.                          *
00023  *                                                                           *
00024  * You should have received a copy of the GNU Library General Public         *
00025  * License along with this library; if not, write to the Free Software       *
00026  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
00027  *                                                                           *
00028 \*---------------------------------------------------------------------------*/
00029 /*---------------------------------------------------------------------------*\
00030  *                                Changes                                    *
00031  *                                                                           *
00032  *                                                                           *
00033  *                                                                           *
00034  *                                                                           *
00035  *                                                                           *
00036  *                                                                           *
00037 \*---------------------------------------------------------------------------*/
00038 
00039 #ifndef _OSGQFIELDVIEW_H_
00040 #define _OSGQFIELDVIEW_H_
00041 #ifdef __sgi
00042 #pragma once
00043 #endif
00044 
00045 #include "OSGWindowQTDef.h"
00046 
00047 #include <OSGField.h>
00048 #include <OSGFieldContainerPtr.h>
00049 
00050 #include <qwidget.h>
00051 #include <qevent.h>
00052 #include <qsizepolicy.h>
00053 
00054 #include <map>
00055 
00056 class QScrollBar;
00057 
00058 OSG_BEGIN_NAMESPACE
00059 
00060 class QFieldValueLabelBase;
00061 class QFieldEditorBase;
00062 
00066 class OSG_WINDOWQTLIB_DLLMAPPING QFieldViewBase : public QWidget
00067 {
00068     Q_OBJECT
00069 
00070 public:
00071     QFieldViewBase(FieldContainerPtr  pFC,
00072                    UInt32             uiFieldId,
00073                    UInt32             uiAspect,
00074                    QWidget           *parent,    const char   *name=NULL);
00075     
00076     virtual ~QFieldViewBase(void) = 0;
00077 
00078     virtual void               setAll           (FieldContainerPtr pFC, 
00079                                                  UInt32   uiFieldId,
00080                                                  UInt32   uiAspect  );
00081 
00082     virtual void               setFieldContainer(FieldContainerPtr pFC);
00083             FieldContainerPtr &getFieldContainer(void              );
00084     const   FieldContainerPtr &getFieldContainer(void              ) const;
00085 
00086     virtual void               setFieldId       (UInt32   uiFieldId);
00087             UInt32             getFieldId       (void              ) const;
00088 
00089     virtual void               setAspect        (UInt32   uiAspect );
00090             UInt32             getAspect        (void              ) const;
00091 
00092             Field             *getFieldPtr      (void              );
00093     const   Field             *getFieldPtr      (void              ) const;
00094 
00095     virtual QSize              sizeHint         (void              ) const = 0;
00096     virtual QSize              minimumSizeHint  (void              ) const = 0;
00097     virtual QSizePolicy        sizePolicy       (void              ) const = 0;
00098 
00099 public slots:
00100     virtual void               beginEdit      (UInt32       uiIndex)       = 0;
00101     virtual void               endEdit        (void                )       = 0;
00102 
00103 signals:
00104     void clicked      (FieldContainerPtr pFC,     UInt32 uiFieldId, 
00105                        UInt32            uiIndex, ButtonState button);
00106     void doubleClicked(FieldContainerPtr pFC,     UInt32 uiFieldId,
00107                        UInt32            uiIndex, ButtonState button);
00108 
00109 protected:
00110     virtual void paintEvent     (QPaintEvent *pEvent ) = 0;
00111 
00112 protected slots:
00113     virtual void onEditorDone   (void                ) = 0;
00114     virtual void onFieldUpdated (UInt32       uiIndex) = 0;
00115 
00116 private:
00117     typedef QWidget Inherited;
00118 
00119     FieldContainerPtr _pFieldCon;
00120     UInt32            _uiFieldId;
00121     UInt32            _uiAspect;
00122 };
00123 
00127 class OSG_WINDOWQTLIB_DLLMAPPING QSFieldView : public QFieldViewBase
00128 {
00129     Q_OBJECT
00130 
00131 public:
00132     QSFieldView(FieldContainerPtr  pFC,          
00133                 UInt32             uiFieldId,
00134                 UInt32             uiAspect,
00135                 QWidget           *parent,    const char   *name=NULL);
00136 
00137     virtual ~QSFieldView(void);
00138  
00139     virtual void        setAll           (FieldContainerPtr pFC,
00140                                           UInt32            uiFieldId,
00141                                           UInt32            uiAspect  );
00142     virtual void        setFieldContainer(FieldContainerPtr pFC      );
00143     virtual void        setFieldId       (UInt32            uiFieldId);
00144     virtual void        setAspect        (UInt32            uiAspect );
00145 
00146     virtual QSize       sizeHint         (void                        ) const;
00147     virtual QSize       minimumSizeHint  (void                        ) const;
00148     virtual QSizePolicy sizePolicy       (void                        ) const;
00149 
00150 public slots:
00151     virtual void beginEdit(UInt32 uiIndex);
00152     virtual void endEdit  (void          );
00153 
00154 protected:
00155     virtual void mousePressEvent      (QMouseEvent  *pEvent);
00156     virtual void mouseDoubleClickEvent(QMouseEvent  *pEvent);
00157     virtual void paintEvent           (QPaintEvent  *pEvent);
00158     virtual void resizeEvent          (QResizeEvent *pEvent);
00159 
00160 protected slots:
00161     virtual void onEditorDone         (void          );
00162     virtual void onFieldUpdated       (UInt32 uiIndex);
00163 
00164 private:
00165     typedef QFieldViewBase Inherited;
00166 
00167     void initSelf(void);
00168 
00169     QFieldValueLabelBase *_pLabel;
00170     QFieldEditorBase     *_pEditor;
00171 };
00172 
00173 
00174 
00178 class OSG_WINDOWQTLIB_DLLMAPPING QMFieldView : public QFieldViewBase
00179 {
00180     Q_OBJECT
00181 
00182 public:
00183     QMFieldView(FieldContainerPtr  pFC,          
00184                 UInt32             uiFieldId,
00185                 UInt32             uiAspect,
00186                 QWidget           *parent,    const char   *name=NULL);
00187 
00188     virtual ~QMFieldView(void);
00189 
00190     virtual void        setAll           (FieldContainerPtr pFC,
00191                                           UInt32            uiFieldId,
00192                                           UInt32            uiAspect  );
00193     virtual void        setFieldContainer(FieldContainerPtr pFC       );
00194     virtual void        setFieldId       (UInt32            uiFieldId );
00195     virtual void        setAspect        (UInt32            uiAspect  );
00196 
00197     virtual QSize       sizeHint         (void                       ) const;
00198     virtual QSize       minimumSizeHint  (void                       ) const;
00199 
00200     virtual QSizePolicy sizePolicy       (void                       ) const;
00201 
00202 public slots:
00203     virtual void beginEdit              (UInt32             uiIndex  );
00204     virtual void endEdit                (void                        );
00205 
00206 protected:
00207     virtual void paintEvent             (QPaintEvent       *pEvent   );
00208     virtual void resizeEvent            (QResizeEvent      *pEvent   );
00209     virtual void wheelEvent             (QWheelEvent       *pEvent   );
00210     virtual void mousePressEvent        (QMouseEvent       *pEvent   );
00211     virtual void mouseDoubleClickEvent  (QMouseEvent       *pEvent   );
00212 
00213 protected slots:
00214     virtual void onEditorDone           (void                 );
00215     virtual void onFieldUpdated         (UInt32        uiIndex);
00216 
00217             void onSBValueChanged       (int           value  );
00218 
00219 private:
00220     typedef QFieldViewBase Inherited;
00221 
00222     class LabelInfo
00223     {
00224     public:
00225         LabelInfo(void);
00226         LabelInfo(QFieldValueLabelBase *pLabel, const QRect &rectPos);
00227         
00228         void                  setLabel(QFieldValueLabelBase *pLabel );
00229         QFieldValueLabelBase *getLabel(void                         ) const;
00230 
00231         UInt32                getIndex(void                         ) const;
00232 
00233         void                  setRect (const QRect          &rectPos);
00234         QRect                &getRect (void                         );
00235         const QRect          &getRect (void                         ) const;
00236 
00237      private:
00238         QFieldValueLabelBase *_pLabel;
00239         QRect                 _rectPos;
00240     };
00241 
00242     typedef std::list<QFieldValueLabelBase *>           PoolLabelList;
00243     typedef std::list<QFieldValueLabelBase *>::iterator PoolLabelListIt;
00244 
00245     typedef std::map<UInt32, LabelInfo>                 IndexLabelMap;
00246     typedef std::map<UInt32, LabelInfo>::iterator       IndexLabelMapIt;
00247     typedef std::map<UInt32, LabelInfo>::const_iterator IndexLabelMapConstIt;
00248 
00249     void                  initSelf        (void                          );
00250     void                  initScrollbar   (void                          );
00251 
00252     UInt32                pointToIndex    (const QPoint         &pos,
00253                                                  bool           &bValid  );
00254    
00255     QFieldValueLabelBase *acquireLabel    (UInt32                uiIndex );
00256     void                  releaseLabel    (QFieldValueLabelBase *pLabel  );
00257     void                  releaseAllLabels(void                          );
00258     void                  deleteAllLabels (void                          );
00259 
00260     void                  redrawUnchanged (QPaintEvent          *pEvent, 
00261                                            QPainter             *pPainter);
00262     void                  redrawChanged   (QPaintEvent          *pEvent,
00263                                            QPainter             *pPainter);
00264 
00265     QScrollBar       *_pScrollbar;
00266     QFieldEditorBase *_pEditor;
00267 
00268     PoolLabelList     _poolLabels;
00269     IndexLabelMap     _usedLabels;
00270   
00271     bool              _bContentsChanged;
00272     UInt32            _uiBeginIndex;
00273     UInt32            _uiEndIndex;
00274 };
00275 
00276 
00277 OSG_END_NAMESPACE
00278 
00279 #define OSGQFIELDVIEWBASE_HEADER_CVSID "@(#)$Id: OSGQFieldView_qt.h,v 1.2 2003/05/16 13:54:29 neumannc Exp $"
00280 
00281 #include "OSGQFieldView_qt.inl"
00282 
00283 #endif /* _OSGQFIELDVIEW_H_ */