include/wx/msw/ole/activex.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/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 //---------------------------------------------------------------------------
  20 //  COM includes
  21 //---------------------------------------------------------------------------
  22 #include "wx/msw/ole/oleutils.h" //wxBasicString, IID etc.
  23 #include "wx/msw/ole/uuid.h" //IID etc..
  24
  25 //---------------------------------------------------------------------------
  26 //  COM compatability definitions
  27 //---------------------------------------------------------------------------
  28 #ifndef STDMETHODCALLTYPE
  29 #define STDMETHODCALLTYPE __stdcall
  30 #endif
  31 #ifndef STDMETHOD
  32 #define STDMETHOD(funcname)  virtual HRESULT STDMETHODCALLTYPE funcname
  33 #endif
  34 #ifndef PURE
  35 #define PURE = 0
  36 #endif
  37 #ifndef __RPC_FAR
  38 #define __RPC_FAR FAR
  39 #endif
  40
  41 //---------------------------------------------------------------------------
  42 //  WX includes
  43 //---------------------------------------------------------------------------
  44 #include "wx/window.h"
  45 #include "wx/variant.h"
  46
  47 //---------------------------------------------------------------------------
  48 // MSW COM includes
  49 //---------------------------------------------------------------------------
  50 #include <oleidl.h>
  51 #include <olectl.h>
  52
  53 #if !defined(__WXWINCE__) || defined(__WINCE_STANDARDSDK__)
  54 #include <exdisp.h>
  55 #endif
  56
  57 #include <docobj.h>
  58
  59 //
  60 //  These defines are from another ole header - but its not in the
  61 //  latest sdk.  Also the ifndef DISPID_READYSTATE is here because at
  62 //  least on my machine with the latest sdk olectl.h defines these 3
  63 //
  64 #ifndef DISPID_READYSTATE
  65     #define DISPID_READYSTATE                               -525
  66     #define DISPID_READYSTATECHANGE                         -609
  67     #define DISPID_AMBIENT_TRANSFERPRIORITY                 -728
  68 #endif
  69
  70 #define DISPID_AMBIENT_OFFLINEIFNOTCONNECTED            -5501
  71 #define DISPID_AMBIENT_SILENT                           -5502
  72
  73 #ifndef DISPID_AMBIENT_CODEPAGE
  74 #   define DISPID_AMBIENT_CODEPAGE                         -725
  75 #   define DISPID_AMBIENT_CHARSET                          -727
  76 #endif
  77
  78
  79 //---------------------------------------------------------------------------
  80 //
  81 //  wxActiveXContainer
  82 //
  83 //---------------------------------------------------------------------------
  84
  85 #define WX_DECLARE_AUTOOLE(wxAutoOleInterface, I) \
  86 class wxAutoOleInterface \
  87 {   \
  88     protected: \
  89     I *m_interface; \
  90 \
  91     public: \
  92     explicit wxAutoOleInterface(I *pInterface = NULL) : m_interface(pInterface) {} \
  93     wxAutoOleInterface(REFIID riid, IUnknown *pUnk) : m_interface(NULL) \
  94     {   QueryInterface(riid, pUnk); } \
  95     wxAutoOleInterface(REFIID riid, IDispatch *pDispatch) : m_interface(NULL) \
  96     {   QueryInterface(riid, pDispatch); } \
  97     wxAutoOleInterface(REFCLSID clsid, REFIID riid) : m_interface(NULL)\
  98     {   CreateInstance(clsid, riid); }\
  99     wxAutoOleInterface(const wxAutoOleInterface& ti) : m_interface(NULL)\
 100     {   operator = (ti); }\
 101 \
 102     wxAutoOleInterface& operator = (const wxAutoOleInterface& ti)\
 103     {\
 104         if (ti.m_interface)\
 105             ti.m_interface->AddRef();\
 106         Free();\
 107         m_interface = ti.m_interface;\
 108         return *this;\
 109     }\
 110 \
 111     wxAutoOleInterface& operator = (I *&ti)\
 112     {\
 113         Free();\
 114         m_interface = ti;\
 115         return *this;\
 116     }\
 117 \
 118     ~wxAutoOleInterface() {   Free();   }\
 119 \
 120     inline void Free()\
 121     {\
 122         if (m_interface)\
 123             m_interface->Release();\
 124         m_interface = NULL;\
 125     }\
 126 \
 127     HRESULT QueryInterface(REFIID riid, IUnknown *pUnk)\
 128     {\
 129         Free();\
 130         wxASSERT(pUnk != NULL);\
 131         return pUnk->QueryInterface(riid, (void **) &m_interface);\
 132     }\
 133 \
 134     HRESULT CreateInstance(REFCLSID clsid, REFIID riid)\
 135     {\
 136         Free();\
 137         return CoCreateInstance(clsid, NULL, CLSCTX_ALL, riid, (void **) &m_interface);\
 138     }\
 139 \
 140     inline operator I *() const {return m_interface;}\
 141     inline I* operator ->() {return m_interface;}\
 142     inline I** GetRef()    {return &m_interface;}\
 143     inline bool Ok() const    {return m_interface != NULL;}\
 144 };
 145
 146 WX_DECLARE_AUTOOLE(wxAutoIDispatch, IDispatch)
 147 WX_DECLARE_AUTOOLE(wxAutoIOleClientSite, IOleClientSite)
 148 WX_DECLARE_AUTOOLE(wxAutoIUnknown, IUnknown)
 149 WX_DECLARE_AUTOOLE(wxAutoIOleObject, IOleObject)
 150 WX_DECLARE_AUTOOLE(wxAutoIOleInPlaceObject, IOleInPlaceObject)
 151 WX_DECLARE_AUTOOLE(wxAutoIOleInPlaceActiveObject, IOleInPlaceActiveObject)
 152 WX_DECLARE_AUTOOLE(wxAutoIOleDocumentView, IOleDocumentView)
 153 WX_DECLARE_AUTOOLE(wxAutoIViewObject, IViewObject)
 154
 155 class wxActiveXContainer : public wxWindow
 156 {
 157 public:
 158     wxActiveXContainer(wxWindow * parent, REFIID iid, IUnknown* pUnk);
 159     virtual ~wxActiveXContainer();
 160
 161     void OnSize(wxSizeEvent&);
 162     void OnPaint(wxPaintEvent&);
 163     void OnSetFocus(wxFocusEvent&);
 164     void OnKillFocus(wxFocusEvent&);
 165
 166 protected:
 167     friend class FrameSite;
 168     friend class wxActiveXEvents;
 169
 170     wxAutoIDispatch            m_Dispatch;
 171     wxAutoIOleClientSite      m_clientSite;
 172     wxAutoIUnknown         m_ActiveX;
 173     wxAutoIOleObject            m_oleObject;
 174     wxAutoIOleInPlaceObject    m_oleInPlaceObject;
 175     wxAutoIOleInPlaceActiveObject m_oleInPlaceActiveObject;
 176     wxAutoIOleDocumentView    m_docView;
 177     wxAutoIViewObject            m_viewObject;
 178     HWND m_oleObjectHWND;
 179     bool m_bAmbientUserMode;
 180     DWORD m_docAdviseCookie;
 181     wxWindow* m_realparent;
 182
 183     void CreateActiveX(REFIID, IUnknown*);
 184 };
 185
 186
 187 // Events
 188 class wxActiveXEvent : public wxCommandEvent
 189 {
 190 private:
 191     friend class wxActiveXEvents;
 192     wxVariant m_params;
 193     DISPID m_dispid;
 194
 195 public:
 196     virtual wxEvent *Clone() const
 197     { return new wxActiveXEvent(*this); }
 198
 199     int ParamCount() const
 200     {   return m_params.GetCount();  }
 201
 202     wxString ParamType(int idx) const
 203     {
 204         wxASSERT(idx >= 0 && idx < m_params.GetCount());
 205         return m_params[idx].GetType();
 206     }
 207
 208     wxString ParamName(int idx) const
 209     {
 210         wxASSERT(idx >= 0 && idx < m_params.GetCount());
 211         return m_params[idx].GetName();
 212     }
 213
 214     wxVariant& operator[] (int idx)
 215     {
 216         wxASSERT(idx >= 0 && idx < ParamCount());
 217         return m_params[idx];
 218     }
 219
 220     DISPID GetDispatchId() const
 221     {   return m_dispid;    }
 222 };
 223
 224 #define wxACTIVEX_ID    14001
 225 DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_MEDIA, wxEVT_ACTIVEX, wxACTIVEX_ID)
 226 typedef void (wxEvtHandler::*wxActiveXEventFunction)(wxActiveXEvent&);
 227 #define EVT_ACTIVEX(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_ACTIVEX, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxActiveXEventFunction) & fn, (wxObject *) NULL ),
 228 #define wxActiveXEventHandler(func) \
 229     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxActiveXEventFunction, &func)
 230
 231 #endif // _WX_MSW_OLE_ACTIVEXCONTAINER_H_
 232