Qt 4.8
qaxaggregated.h
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40 
41 #ifndef QAXAGGREGATED_H
42 #define QAXAGGREGATED_H
43 
44 #include <QtCore/qobject.h>
45 
46 struct IUnknown;
47 
49 
51 
52 QT_MODULE(ActiveQt)
53 
54 #ifndef QT_NO_WIN_ACTIVEQT
55 
56 struct QUuid;
57 
59 {
60  friend class QAxServerBase;
61  friend class QAxClientSite;
62 public:
63  virtual long queryInterface(const QUuid &iid, void **iface) = 0;
64 
65 protected:
66  virtual ~QAxAggregated()
67  {}
68 
69  inline IUnknown *controllingUnknown() const
70  { return controlling_unknown; }
71  inline QWidget *widget() const
72  {
74  }
75  inline QObject *object() const { return the_object; }
76 
77 private:
80 };
81 
82 #define QAXAGG_IUNKNOWN \
83  HRESULT WINAPI QueryInterface(REFIID iid, LPVOID *iface) { \
84  return controllingUnknown()->QueryInterface(iid, iface); } \
85  ULONG WINAPI AddRef() {return controllingUnknown()->AddRef(); } \
86  ULONG WINAPI Release() {return controllingUnknown()->Release(); } \
87 
88 #endif // QT_NO_WIN_ACTIVEQT
89 
91 
93 
94 #endif // QAXAGGREGATED_H
T qobject_cast(QObject *object)
Definition: qobject.h:375
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
IUnknown * controllingUnknown() const
Returns the IUnknown interface of the ActiveX control.
Definition: qaxaggregated.h:69
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
QObject * object() const
Returns a pointer to the QObject subclass implementing the COM object.
Definition: qaxaggregated.h:75
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
QObject * the_object
Definition: qaxaggregated.h:79
The QAxAggregated class is an abstract base class for implementations of additional COM interfaces...
Definition: qaxaggregated.h:58
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
virtual ~QAxAggregated()
The destructor is called internally by Qt.
Definition: qaxaggregated.h:66
IUnknown * controlling_unknown
Definition: qaxaggregated.h:78
QWidget * widget() const
Returns a pointer to the QWidget subclass implementing the ActiveX control.
Definition: qaxaggregated.h:71
virtual long queryInterface(const QUuid &iid, void **iface)=0
Reimplement this pure virtual function to support additional COM interfaces.
#define QT_END_HEADER
Definition: qglobal.h:137
The QUuid class stores a Universally Unique Identifier (UUID).
Definition: quuid.h:67