fix memory leak; allocate the DC before SetFont() is called on the status bar

[wxWidgets.git] / include / wx / msw / ole / activex.h

diff --git a/include/wx/msw/ole/activex.h b/include/wx/msw/ole/activex.h
index 49bae1ce86ebe09da637ce991ae4b2b508095496..54940e2fac6a386266ce2f015868de1c4ad4d815 100644 (file)
--- a/include/wx/msw/ole/activex.h
+++ b/include/wx/msw/ole/activex.h
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        wx/activex.h
+// Name:        wx/msw/ole/activex.h
 // Purpose:     wxActiveXContainer class
 // Author:      Ryan Norton <wxprojects@comcast.net>
 // Modified by:
@@ -16,34 +16,19 @@
 #ifndef _WX_MSW_OLE_ACTIVEXCONTAINER_H_
 #define _WX_MSW_OLE_ACTIVEXCONTAINER_H_
 
-//---------------------------------------------------------------------------
-//  COM includes
-//---------------------------------------------------------------------------
-#include "wx/msw/ole/oleutils.h" //wxBasicString, IID etc.
-#include "wx/msw/ole/uuid.h" //IID etc..
+#if wxUSE_ACTIVEX
 
 //---------------------------------------------------------------------------
-//  COM compatability definitions
+// wx includes
 //---------------------------------------------------------------------------
-#ifndef STDMETHODCALLTYPE
-#define STDMETHODCALLTYPE __stdcall
-#endif
-#ifndef STDMETHOD
-#define STDMETHOD(funcname)  virtual HRESULT STDMETHODCALLTYPE funcname
-#endif
-#ifndef PURE
-#define PURE = 0
-#endif
-#ifndef __RPC_FAR
-#define __RPC_FAR FAR
-#endif
 
-//---------------------------------------------------------------------------
-//  WX includes
-//---------------------------------------------------------------------------
+#include "wx/msw/ole/oleutils.h" // wxBasicString &c
+#include "wx/msw/ole/uuid.h"
 #include "wx/window.h"
 #include "wx/variant.h"
 
+class FrameSite;
+
 //---------------------------------------------------------------------------
 // MSW COM includes
 //---------------------------------------------------------------------------
@@ -56,23 +41,27 @@
 
 #include <docobj.h>
 
+#ifndef STDMETHOD
+    #define STDMETHOD(funcname)  virtual HRESULT wxSTDCALL funcname
+#endif
+
 //
 //  These defines are from another ole header - but its not in the
 //  latest sdk.  Also the ifndef DISPID_READYSTATE is here because at
 //  least on my machine with the latest sdk olectl.h defines these 3
 //
 #ifndef DISPID_READYSTATE
-    #define DISPID_READYSTATE                               -525
-    #define DISPID_READYSTATECHANGE                         -609
-    #define DISPID_AMBIENT_TRANSFERPRIORITY                 -728
+    #define DISPID_READYSTATE                               (-525)
+    #define DISPID_READYSTATECHANGE                         (-609)
+    #define DISPID_AMBIENT_TRANSFERPRIORITY                 (-728)
 #endif
 
-#define DISPID_AMBIENT_OFFLINEIFNOTCONNECTED            -5501
-#define DISPID_AMBIENT_SILENT                           -5502
+#define DISPID_AMBIENT_OFFLINEIFNOTCONNECTED            (-5501)
+#define DISPID_AMBIENT_SILENT                           (-5502)
 
 #ifndef DISPID_AMBIENT_CODEPAGE
-#   define DISPID_AMBIENT_CODEPAGE                         -725
-#   define DISPID_AMBIENT_CHARSET                          -727
+    #define DISPID_AMBIENT_CODEPAGE                         (-725)
+    #define DISPID_AMBIENT_CHARSET                          (-727)
 #endif
 
 
@@ -140,7 +129,8 @@ class wxAutoOleInterface \
     inline operator I *() const {return m_interface;}\
     inline I* operator ->() {return m_interface;}\
     inline I** GetRef()    {return &m_interface;}\
-    inline bool Ok() const    {return m_interface != NULL;}\
+    inline bool Ok() const { return IsOk(); }\
+    inline bool IsOk() const    {return m_interface != NULL;}\
 };
 
 WX_DECLARE_AUTOOLE(wxAutoIDispatch, IDispatch)
@@ -152,7 +142,7 @@ WX_DECLARE_AUTOOLE(wxAutoIOleInPlaceActiveObject, IOleInPlaceActiveObject)
 WX_DECLARE_AUTOOLE(wxAutoIOleDocumentView, IOleDocumentView)
 WX_DECLARE_AUTOOLE(wxAutoIViewObject, IViewObject)
 
-class wxActiveXContainer : public wxWindow
+class WXDLLIMPEXP_CORE wxActiveXContainer : public wxWindow
 {
 public:
     wxActiveXContainer(wxWindow * parent, REFIID iid, IUnknown* pUnk);
@@ -167,6 +157,7 @@ protected:
     friend class FrameSite;
     friend class wxActiveXEvents;
 
+    FrameSite *m_frameSite;
     wxAutoIDispatch            m_Dispatch;
     wxAutoIOleClientSite      m_clientSite;
     wxAutoIUnknown         m_ActiveX;
@@ -183,9 +174,30 @@ protected:
     void CreateActiveX(REFIID, IUnknown*);
 };
 
+///\brief Store native event parameters.
+///\detail Store OLE 'Invoke' parameters for event handlers that need to access them.
+/// These are the exact values for the event as they are passed to the wxActiveXContainer.
+struct wxActiveXEventNativeMSW
+{
+    DISPID  dispIdMember;
+    REFIID  riid;
+    LCID    lcid;
+    WORD    wFlags;
+    DISPPARAMS  *pDispParams;
+    VARIANT     *pVarResult;
+    EXCEPINFO   *pExcepInfo;
+    unsigned int *puArgErr;
+
+    wxActiveXEventNativeMSW
+        (DISPID a_dispIdMember, REFIID a_riid, LCID a_lcid, WORD a_wFlags, DISPPARAMS  *a_pDispParams,
+        VARIANT *a_pVarResult, EXCEPINFO *a_pExcepInfo, unsigned int *a_puArgErr)
+        :dispIdMember(a_dispIdMember), riid(a_riid), lcid(a_lcid), wFlags(a_wFlags), pDispParams(a_pDispParams),
+        pVarResult(a_pVarResult), pExcepInfo(a_pExcepInfo), puArgErr(a_puArgErr)
+    { }
+};
 
 // Events
-class wxActiveXEvent : public wxCommandEvent
+class WXDLLIMPEXP_CORE wxActiveXEvent : public wxCommandEvent
 {
 private:
     friend class wxActiveXEvents;
@@ -196,37 +208,39 @@ public:
     virtual wxEvent *Clone() const
     { return new wxActiveXEvent(*this); }
 
-    int ParamCount() const
-    {   return m_params.GetCount();  }
+    size_t ParamCount() const;
 
-    wxString ParamType(int idx) const
+    wxString ParamType(size_t idx) const
     {
-        wxASSERT(idx >= 0 && idx < m_params.GetCount());
+        wxASSERT(idx < ParamCount());
         return m_params[idx].GetType();
     }
 
-    wxString ParamName(int idx) const
+    wxString ParamName(size_t idx) const
     {
-        wxASSERT(idx >= 0 && idx < m_params.GetCount());
+        wxASSERT(idx < ParamCount());
         return m_params[idx].GetName();
     }
 
-    wxVariant& operator[] (int idx)
-    {
-        wxASSERT(idx >= 0 && idx < ParamCount());
-        return m_params[idx];
-    }
+    wxVariant& operator[] (size_t idx);
 
     DISPID GetDispatchId() const
     {   return m_dispid;    }
+
+    wxActiveXEventNativeMSW *GetNativeParameters() const
+    {   return (wxActiveXEventNativeMSW*)GetClientData(); }
 };
 
-#define wxACTIVEX_ID    14001
-DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_MEDIA, wxEVT_ACTIVEX, wxACTIVEX_ID)
+// #define wxACTIVEX_ID    14001
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_ACTIVEX, wxActiveXEvent );
+
 typedef void (wxEvtHandler::*wxActiveXEventFunction)(wxActiveXEvent&);
-#define EVT_ACTIVEX(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_ACTIVEX, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxActiveXEventFunction) & fn, (wxObject *) NULL ),
+
 #define wxActiveXEventHandler(func) \
-    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxActiveXEventFunction, &func)
+    wxEVENT_HANDLER_CAST( wxActiveXEventFunction, func )
 
-#endif // _WX_MSW_OLE_ACTIVEXCONTAINER_H_
+#define EVT_ACTIVEX(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_ACTIVEX, id, -1, wxActiveXEventHandler( fn ), NULL ),
 
+#endif // wxUSE_ACTIVEX
+
+#endif // _WX_MSW_OLE_ACTIVEXCONTAINER_H_