include/wx/msw/ole/activex.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/ole/activex.h
   3 // Purpose:     wxActiveXContainer class
   4 // Author:      Ryan Norton <wxprojects@comcast.net>
   5 // Modified by:
   6 // Created:     8/18/05
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Ryan Norton
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // Definitions
  14 // ============================================================================
  15
  16 #ifndef _WX_MSW_OLE_ACTIVEXCONTAINER_H_
  17 #define _WX_MSW_OLE_ACTIVEXCONTAINER_H_
  18
  19 #if wxUSE_ACTIVEX
  20
  21 //---------------------------------------------------------------------------
  22 // wx includes
  23 //---------------------------------------------------------------------------
  24
  25 #include "wx/msw/ole/oleutils.h" // wxBasicString &c
  26 #include "wx/msw/ole/uuid.h"
  27 #include "wx/window.h"
  28 #include "wx/variant.h"
  29
  30 //---------------------------------------------------------------------------
  31 // MSW COM includes
  32 //---------------------------------------------------------------------------
  33 #include <oleidl.h>
  34 #include <olectl.h>
  35
  36 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
  37 #include <exdisp.h>
  38 #endif
  39
  40 #include <docobj.h>
  41
  42 #ifndef STDMETHOD
  43     #define STDMETHOD(funcname)  virtual HRESULT wxSTDCALL funcname
  44 #endif
  45
  46 //
  47 //  These defines are from another ole header - but its not in the
  48 //  latest sdk.  Also the ifndef DISPID_READYSTATE is here because at
  49 //  least on my machine with the latest sdk olectl.h defines these 3
  50 //
  51 #ifndef DISPID_READYSTATE
  52     #define DISPID_READYSTATE                               (-525)
  53     #define DISPID_READYSTATECHANGE                         (-609)
  54     #define DISPID_AMBIENT_TRANSFERPRIORITY                 (-728)
  55 #endif
  56
  57 #define DISPID_AMBIENT_OFFLINEIFNOTCONNECTED            (-5501)
  58 #define DISPID_AMBIENT_SILENT                           (-5502)
  59
  60 #ifndef DISPID_AMBIENT_CODEPAGE
  61     #define DISPID_AMBIENT_CODEPAGE                         (-725)
  62     #define DISPID_AMBIENT_CHARSET                          (-727)
  63 #endif
  64
  65
  66 //---------------------------------------------------------------------------
  67 //
  68 //  wxActiveXContainer
  69 //
  70 //---------------------------------------------------------------------------
  71
  72 #define WX_DECLARE_AUTOOLE(wxAutoOleInterface, I) \
  73 class wxAutoOleInterface \
  74 {   \
  75     protected: \
  76     I *m_interface; \
  77 \
  78     public: \
  79     explicit wxAutoOleInterface(I *pInterface = NULL) : m_interface(pInterface) {} \
  80     wxAutoOleInterface(REFIID riid, IUnknown *pUnk) : m_interface(NULL) \
  81     {   QueryInterface(riid, pUnk); } \
  82     wxAutoOleInterface(REFIID riid, IDispatch *pDispatch) : m_interface(NULL) \
  83     {   QueryInterface(riid, pDispatch); } \
  84     wxAutoOleInterface(REFCLSID clsid, REFIID riid) : m_interface(NULL)\
  85     {   CreateInstance(clsid, riid); }\
  86     wxAutoOleInterface(const wxAutoOleInterface& ti) : m_interface(NULL)\
  87     {   operator = (ti); }\
  88 \
  89     wxAutoOleInterface& operator = (const wxAutoOleInterface& ti)\
  90     {\
  91         if (ti.m_interface)\
  92             ti.m_interface->AddRef();\
  93         Free();\
  94         m_interface = ti.m_interface;\
  95         return *this;\
  96     }\
  97 \
  98     wxAutoOleInterface& operator = (I *&ti)\
  99     {\
 100         Free();\
 101         m_interface = ti;\
 102         return *this;\
 103     }\
 104 \
 105     ~wxAutoOleInterface() {   Free();   }\
 106 \
 107     inline void Free()\
 108     {\
 109         if (m_interface)\
 110             m_interface->Release();\
 111         m_interface = NULL;\
 112     }\
 113 \
 114     HRESULT QueryInterface(REFIID riid, IUnknown *pUnk)\
 115     {\
 116         Free();\
 117         wxASSERT(pUnk != NULL);\
 118         return pUnk->QueryInterface(riid, (void **) &m_interface);\
 119     }\
 120 \
 121     HRESULT CreateInstance(REFCLSID clsid, REFIID riid)\
 122     {\
 123         Free();\
 124         return CoCreateInstance(clsid, NULL, CLSCTX_ALL, riid, (void **) &m_interface);\
 125     }\
 126 \
 127     inline operator I *() const {return m_interface;}\
 128     inline I* operator ->() {return m_interface;}\
 129     inline I** GetRef()    {return &m_interface;}\
 130     inline bool Ok() const    {return m_interface != NULL;}\
 131 };
 132
 133 WX_DECLARE_AUTOOLE(wxAutoIDispatch, IDispatch)
 134 WX_DECLARE_AUTOOLE(wxAutoIOleClientSite, IOleClientSite)
 135 WX_DECLARE_AUTOOLE(wxAutoIUnknown, IUnknown)
 136 WX_DECLARE_AUTOOLE(wxAutoIOleObject, IOleObject)
 137 WX_DECLARE_AUTOOLE(wxAutoIOleInPlaceObject, IOleInPlaceObject)
 138 WX_DECLARE_AUTOOLE(wxAutoIOleInPlaceActiveObject, IOleInPlaceActiveObject)
 139 WX_DECLARE_AUTOOLE(wxAutoIOleDocumentView, IOleDocumentView)
 140 WX_DECLARE_AUTOOLE(wxAutoIViewObject, IViewObject)
 141
 142 class wxActiveXContainer : public wxWindow
 143 {
 144 public:
 145     wxActiveXContainer(wxWindow * parent, REFIID iid, IUnknown* pUnk);
 146     virtual ~wxActiveXContainer();
 147
 148     void OnSize(wxSizeEvent&);
 149     void OnPaint(wxPaintEvent&);
 150     void OnSetFocus(wxFocusEvent&);
 151     void OnKillFocus(wxFocusEvent&);
 152
 153 protected:
 154     friend class FrameSite;
 155     friend class wxActiveXEvents;
 156
 157     wxAutoIDispatch            m_Dispatch;
 158     wxAutoIOleClientSite      m_clientSite;
 159     wxAutoIUnknown         m_ActiveX;
 160     wxAutoIOleObject            m_oleObject;
 161     wxAutoIOleInPlaceObject    m_oleInPlaceObject;
 162     wxAutoIOleInPlaceActiveObject m_oleInPlaceActiveObject;
 163     wxAutoIOleDocumentView    m_docView;
 164     wxAutoIViewObject            m_viewObject;
 165     HWND m_oleObjectHWND;
 166     bool m_bAmbientUserMode;
 167     DWORD m_docAdviseCookie;
 168     wxWindow* m_realparent;
 169
 170     void CreateActiveX(REFIID, IUnknown*);
 171 };
 172
 173
 174 // Events
 175 class wxActiveXEvent : public wxCommandEvent
 176 {
 177 private:
 178     friend class wxActiveXEvents;
 179     wxVariant m_params;
 180     DISPID m_dispid;
 181
 182 public:
 183     virtual wxEvent *Clone() const
 184     { return new wxActiveXEvent(*this); }
 185
 186     size_t ParamCount() const
 187     {   return m_params.GetCount();  }
 188
 189     wxString ParamType(size_t idx) const
 190     {
 191         wxASSERT(idx < m_params.GetCount());
 192         return m_params[idx].GetType();
 193     }
 194
 195     wxString ParamName(size_t idx) const
 196     {
 197         wxASSERT(idx < m_params.GetCount());
 198         return m_params[idx].GetName();
 199     }
 200
 201     wxVariant& operator[] (size_t idx)
 202     {
 203         wxASSERT(idx < ParamCount());
 204         return m_params[idx];
 205     }
 206
 207     DISPID GetDispatchId() const
 208     {   return m_dispid;    }
 209 };
 210
 211 #define wxACTIVEX_ID    14001
 212 DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_MEDIA, wxEVT_ACTIVEX, wxACTIVEX_ID)
 213 typedef void (wxEvtHandler::*wxActiveXEventFunction)(wxActiveXEvent&);
 214 #define EVT_ACTIVEX(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_ACTIVEX, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxActiveXEventFunction) & fn, (wxObject *) NULL ),
 215 #define wxActiveXEventHandler(func) \
 216     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxActiveXEventFunction, &func)
 217
 218 #endif // wxUSE_ACTIVEX
 219
 220 #endif // _WX_MSW_OLE_ACTIVEXCONTAINER_H_