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QtxComboBox.h
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1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
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11 // This library is distributed in the hope that it will be useful,
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13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
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16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 //
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22 
23 // File: QtxComboBox.h
24 // Author: Sergey TELKOV
25 //
26 #ifndef QTXCOMBOBOX_H
27 #define QTXCOMBOBOX_H
28 
29 #include "Qtx.h"
30 
31 #include <QMap>
32 #include <QComboBox>
33 
34 #ifdef WIN32
35 #pragma warning( disable:4251 )
36 #endif
37 
38 class QTX_EXPORT QtxComboBox : public QComboBox
39 {
40  Q_OBJECT
41 
42  class Model;
43  class ClearEvent;
44 
45 public:
46  QtxComboBox( QWidget* = 0 );
47  virtual ~QtxComboBox();
48 
49  bool isCleared() const;
50  void setCleared( const bool );
51 
52  QVariant currentId() const;
53  void setCurrentId( const QVariant& );
54 
55  QVariant id( const int ) const;
56  int index( const QVariant& ) const;
57 
58  bool hasId( const int ) const;
59  void setId( const int, const QVariant& );
60 
61 signals:
62  void activatedId( QVariant );
63  void activatedId( int );
64  void activatedId( QString );
65 
66 private slots:
67  void onCurrentChanged( int );
68 
69 protected:
70  virtual void paintEvent( QPaintEvent* );
71  virtual void childEvent( QChildEvent* );
72  virtual void customEvent( QEvent* );
73 
74 private:
75  void resetClear();
76 
77 private:
78  enum { IdRole = Qt::UserRole + 10 };
79 
80 private:
81  bool myCleared;
82 };
83 
84 #ifdef WIN32
85 #pragma warning( default:4251 )
86 #endif
87 
88 #endif