src/msw/ole/activex.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/ole/activex.cpp
   3 // Purpose:     wxActiveXContainer implementation
   4 // Author:      Ryan Norton <wxprojects@comcast.net>, Lindsay Mathieson <???>
   5 // Modified by:
   6 // Created:     11/07/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Lindsay Mathieson, (c) 2005 Ryan Norton
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_ACTIVEX
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/dcclient.h"
  30     #include "wx/math.h"
  31 #endif
  32
  33 #include "wx/msw/ole/activex.h"
  34 // autointerfaces that we only use here
  35 WX_DECLARE_AUTOOLE(wxAutoIOleInPlaceSite, IOleInPlaceSite)
  36 WX_DECLARE_AUTOOLE(wxAutoIOleDocument, IOleDocument)
  37 WX_DECLARE_AUTOOLE(wxAutoIPersistStreamInit, IPersistStreamInit)
  38 WX_DECLARE_AUTOOLE(wxAutoIAdviseSink, IAdviseSink)
  39 WX_DECLARE_AUTOOLE(wxAutoIProvideClassInfo, IProvideClassInfo)
  40 WX_DECLARE_AUTOOLE(wxAutoITypeInfo, ITypeInfo)
  41 WX_DECLARE_AUTOOLE(wxAutoIConnectionPoint, IConnectionPoint)
  42 WX_DECLARE_AUTOOLE(wxAutoIConnectionPointContainer, IConnectionPointContainer)
  43
  44 DEFINE_EVENT_TYPE(wxEVT_ACTIVEX)
  45
  46 // Ole class helpers (sort of MFC-like) from wxActiveX
  47 #define DECLARE_OLE_UNKNOWN(cls)\
  48     private:\
  49     class TAutoInitInt\
  50     {\
  51         public:\
  52         LONG l;\
  53         TAutoInitInt() : l(0) {}\
  54     };\
  55     TAutoInitInt refCount, lockCount;\
  56     static void _GetInterface(cls *self, REFIID iid, void **_interface, const char *&desc);\
  57     public:\
  58     LONG GetRefCount();\
  59     HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void ** ppvObject);\
  60     ULONG STDMETHODCALLTYPE AddRef();\
  61     ULONG STDMETHODCALLTYPE Release();\
  62     ULONG STDMETHODCALLTYPE AddLock();\
  63     ULONG STDMETHODCALLTYPE ReleaseLock()
  64
  65 #define DEFINE_OLE_TABLE(cls)\
  66     LONG cls::GetRefCount() {return refCount.l;}\
  67     HRESULT STDMETHODCALLTYPE cls::QueryInterface(REFIID iid, void ** ppvObject)\
  68     {\
  69         if (! ppvObject)\
  70         {\
  71             return E_FAIL;\
  72         }\
  73         const char *desc = NULL;\
  74         cls::_GetInterface(this, iid, ppvObject, desc);\
  75         if (! *ppvObject)\
  76         {\
  77             return E_NOINTERFACE;\
  78         }\
  79         ((IUnknown * )(*ppvObject))->AddRef();\
  80         return S_OK;\
  81     }\
  82     ULONG STDMETHODCALLTYPE cls::AddRef()\
  83     {\
  84         InterlockedIncrement(&refCount.l);\
  85         return refCount.l;\
  86     }\
  87     ULONG STDMETHODCALLTYPE cls::Release()\
  88     {\
  89         if (refCount.l > 0)\
  90         {\
  91             InterlockedDecrement(&refCount.l);\
  92             if (refCount.l == 0)\
  93             {\
  94                 delete this;\
  95                 return 0;\
  96             }\
  97             return refCount.l;\
  98         }\
  99         else\
 100             return 0;\
 101     }\
 102     ULONG STDMETHODCALLTYPE cls::AddLock()\
 103     {\
 104         InterlockedIncrement(&lockCount.l);\
 105         return lockCount.l;\
 106     }\
 107     ULONG STDMETHODCALLTYPE cls::ReleaseLock()\
 108     {\
 109         if (lockCount.l > 0)\
 110         {\
 111             InterlockedDecrement(&lockCount.l);\
 112             return lockCount.l;\
 113         }\
 114         else\
 115             return 0;\
 116     }\
 117     DEFINE_OLE_BASE(cls)
 118
 119 #define DEFINE_OLE_BASE(cls)\
 120     void cls::_GetInterface(cls *self, REFIID iid, void **_interface, const char *&desc)\
 121     {\
 122         *_interface = NULL;\
 123         desc = NULL;
 124
 125 #define OLE_INTERFACE(_iid, _type)\
 126     if (IsEqualIID(iid, _iid))\
 127     {\
 128         *_interface = (IUnknown *) (_type *) self;\
 129         desc = # _iid;\
 130         return;\
 131     }
 132
 133 #define OLE_IINTERFACE(_face) OLE_INTERFACE(IID_##_face, _face)
 134
 135 #define OLE_INTERFACE_CUSTOM(func)\
 136     if (func(self, iid, _interface, desc))\
 137     {\
 138         return;\
 139     }
 140
 141 #define END_OLE_TABLE\
 142     }
 143
 144 // ============================================================================
 145 // implementation
 146 // ============================================================================
 147
 148 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 149 // PixelsToHimetric
 150 //
 151 // Utility to convert from pixels to the himetric values in some COM methods
 152 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 153
 154
 155 #define HIMETRIC_PER_INCH   2540
 156 #define MAP_PIX_TO_LOGHIM(x,ppli)   MulDiv(HIMETRIC_PER_INCH, (x), (ppli))
 157
 158 static void PixelsToHimetric(SIZEL &sz)
 159 {
 160     static int logX = 0;
 161     static int logY = 0;
 162
 163     if (logY == 0)
 164     {
 165         // initaliase
 166         HDC dc = GetDC(NULL);
 167         logX = GetDeviceCaps(dc, LOGPIXELSX);
 168         logY = GetDeviceCaps(dc, LOGPIXELSY);
 169         ReleaseDC(NULL, dc);
 170     };
 171
 172 #define HIMETRIC_INCH   2540
 173 #define CONVERT(x, logpixels)   wxMulDivInt32(HIMETRIC_INCH, (x), (logpixels))
 174
 175     sz.cx = CONVERT(sz.cx, logX);
 176     sz.cy = CONVERT(sz.cy, logY);
 177
 178 #undef CONVERT
 179 #undef HIMETRIC_INCH
 180 }
 181
 182
 183 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 184 //
 185 // FrameSite
 186 //
 187 // Handles the actual wxActiveX container implementation
 188 //
 189 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 190 class FrameSite :
 191     public IOleClientSite,
 192     public IOleInPlaceSiteEx,
 193     public IOleInPlaceFrame,
 194     public IOleItemContainer,
 195     public IDispatch,
 196     public IOleCommandTarget,
 197     public IOleDocumentSite,
 198     public IAdviseSink,
 199     public IOleControlSite
 200 {
 201 private:
 202     DECLARE_OLE_UNKNOWN(FrameSite);
 203
 204 public:
 205     FrameSite(wxWindow * win, wxActiveXContainer * win2)
 206     {
 207         m_window = win2;
 208         m_bSupportsWindowlessActivation = true;
 209         m_bInPlaceLocked = false;
 210         m_bUIActive = false;
 211         m_bInPlaceActive = false;
 212         m_bWindowless = false;
 213
 214         m_nAmbientLocale = 0;
 215         m_clrAmbientForeColor = ::GetSysColor(COLOR_WINDOWTEXT);
 216         m_clrAmbientBackColor = ::GetSysColor(COLOR_WINDOW);
 217         m_bAmbientShowHatching = true;
 218         m_bAmbientShowGrabHandles = true;
 219         m_bAmbientAppearance = true;
 220
 221         m_hDCBuffer = NULL;
 222         m_hWndParent = (HWND)win->GetHWND();
 223     }
 224     virtual ~FrameSite(){}
 225     //***************************IDispatch*****************************
 226     HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID, OLECHAR ** ,
 227                                             unsigned int , LCID ,
 228                                             DISPID * )
 229     {   return E_NOTIMPL;   }
 230     STDMETHOD(GetTypeInfo)(unsigned int, LCID, ITypeInfo **)
 231     {   return E_NOTIMPL;   }
 232     HRESULT STDMETHODCALLTYPE GetTypeInfoCount(unsigned int *)
 233     {   return E_NOTIMPL;   }
 234     HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID, LCID,
 235                             WORD wFlags, DISPPARAMS *,
 236                             VARIANT * pVarResult, EXCEPINFO *,
 237                             unsigned int *)
 238     {
 239         if (!(wFlags & DISPATCH_PROPERTYGET))
 240             return S_OK;
 241
 242         if (pVarResult == NULL)
 243             return E_INVALIDARG;
 244
 245         //The most common case is boolean, use as an initial type
 246         V_VT(pVarResult) = VT_BOOL;
 247
 248         switch (dispIdMember)
 249         {
 250             case DISPID_AMBIENT_MESSAGEREFLECT:
 251                 V_BOOL(pVarResult)= FALSE;
 252                 return S_OK;
 253
 254             case DISPID_AMBIENT_DISPLAYASDEFAULT:
 255                 V_BOOL(pVarResult)= TRUE;
 256                 return S_OK;
 257
 258             case DISPID_AMBIENT_OFFLINEIFNOTCONNECTED:
 259                 V_BOOL(pVarResult) = TRUE;
 260                 return S_OK;
 261
 262             case DISPID_AMBIENT_SILENT:
 263                 V_BOOL(pVarResult)= TRUE;
 264                 return S_OK;
 265
 266             case DISPID_AMBIENT_APPEARANCE:
 267                 pVarResult->vt = VT_BOOL;
 268                 pVarResult->boolVal = m_bAmbientAppearance;
 269                 break;
 270
 271             case DISPID_AMBIENT_FORECOLOR:
 272                 pVarResult->vt = VT_I4;
 273                 pVarResult->lVal = (long) m_clrAmbientForeColor;
 274                 break;
 275
 276             case DISPID_AMBIENT_BACKCOLOR:
 277                 pVarResult->vt = VT_I4;
 278                 pVarResult->lVal = (long) m_clrAmbientBackColor;
 279                 break;
 280
 281             case DISPID_AMBIENT_LOCALEID:
 282                 pVarResult->vt = VT_I4;
 283                 pVarResult->lVal = (long) m_nAmbientLocale;
 284                 break;
 285
 286             case DISPID_AMBIENT_USERMODE:
 287                 pVarResult->vt = VT_BOOL;
 288                 pVarResult->boolVal = m_window->m_bAmbientUserMode;
 289                 break;
 290
 291             case DISPID_AMBIENT_SHOWGRABHANDLES:
 292                 pVarResult->vt = VT_BOOL;
 293                 pVarResult->boolVal = m_bAmbientShowGrabHandles;
 294                 break;
 295
 296             case DISPID_AMBIENT_SHOWHATCHING:
 297                 pVarResult->vt = VT_BOOL;
 298                 pVarResult->boolVal = m_bAmbientShowHatching;
 299                 break;
 300
 301             default:
 302                 return DISP_E_MEMBERNOTFOUND;
 303         }
 304
 305         return S_OK;
 306     }
 307
 308     //**************************IOleWindow***************************
 309     HRESULT STDMETHODCALLTYPE GetWindow(HWND * phwnd)
 310     {
 311         if (phwnd == NULL)
 312             return E_INVALIDARG;
 313         (*phwnd) = m_hWndParent;
 314         return S_OK;
 315     }
 316     HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(BOOL)
 317     {return S_OK;}
 318     //**************************IOleInPlaceUIWindow*****************
 319     HRESULT STDMETHODCALLTYPE GetBorder(LPRECT lprectBorder)
 320     {
 321         if (lprectBorder == NULL)
 322             return E_INVALIDARG;
 323         return INPLACE_E_NOTOOLSPACE;
 324     }
 325     HRESULT STDMETHODCALLTYPE RequestBorderSpace(LPCBORDERWIDTHS pborderwidths)
 326     {
 327         if (pborderwidths == NULL)
 328             return E_INVALIDARG;
 329         return INPLACE_E_NOTOOLSPACE;
 330     }
 331     HRESULT STDMETHODCALLTYPE SetBorderSpace(LPCBORDERWIDTHS)
 332     {return S_OK;}
 333     HRESULT STDMETHODCALLTYPE SetActiveObject(
 334         IOleInPlaceActiveObject *pActiveObject, LPCOLESTR)
 335     {
 336         if (pActiveObject)
 337             pActiveObject->AddRef();
 338
 339         m_window->m_oleInPlaceActiveObject = pActiveObject;
 340         return S_OK;
 341     }
 342
 343     //********************IOleInPlaceFrame************************
 344
 345     STDMETHOD(InsertMenus)(HMENU, LPOLEMENUGROUPWIDTHS){return S_OK;}
 346     STDMETHOD(SetMenu)(HMENU, HOLEMENU, HWND){  return S_OK;}
 347     STDMETHOD(RemoveMenus)(HMENU){return S_OK;}
 348     STDMETHOD(SetStatusText)(LPCOLESTR){ return S_OK;}
 349     HRESULT STDMETHODCALLTYPE EnableModeless(BOOL){return S_OK;}
 350     HRESULT STDMETHODCALLTYPE TranslateAccelerator(LPMSG lpmsg, WORD)
 351     {
 352         // TODO: send an event with this id
 353         if (m_window->m_oleInPlaceActiveObject.Ok())
 354             m_window->m_oleInPlaceActiveObject->TranslateAccelerator(lpmsg);
 355         return S_FALSE;
 356     }
 357
 358     //*******************IOleInPlaceSite**************************
 359     HRESULT STDMETHODCALLTYPE CanInPlaceActivate(){return S_OK;}
 360     HRESULT STDMETHODCALLTYPE OnInPlaceActivate()
 361     {   m_bInPlaceActive = true;    return S_OK;    }
 362     HRESULT STDMETHODCALLTYPE OnUIActivate()
 363     {   m_bUIActive = true;         return S_OK;    }
 364     HRESULT STDMETHODCALLTYPE GetWindowContext(IOleInPlaceFrame **ppFrame,
 365                                         IOleInPlaceUIWindow **ppDoc,
 366                                         LPRECT lprcPosRect,
 367                                         LPRECT lprcClipRect,
 368                                         LPOLEINPLACEFRAMEINFO lpFrameInfo)
 369     {
 370         if (ppFrame == NULL || ppDoc == NULL || lprcPosRect == NULL ||
 371             lprcClipRect == NULL || lpFrameInfo == NULL)
 372         {
 373             if (ppFrame != NULL)
 374                 (*ppFrame) = NULL;
 375             if (ppDoc != NULL)
 376                 (*ppDoc) = NULL;
 377             return E_INVALIDARG;
 378         }
 379
 380         HRESULT hr = QueryInterface(IID_IOleInPlaceFrame, (void **) ppFrame);
 381         if (! SUCCEEDED(hr))
 382         {
 383             return E_UNEXPECTED;
 384         }
 385
 386         hr = QueryInterface(IID_IOleInPlaceUIWindow, (void **) ppDoc);
 387         if (! SUCCEEDED(hr))
 388         {
 389             (*ppFrame)->Release();
 390             *ppFrame = NULL;
 391             return E_UNEXPECTED;
 392         }
 393
 394         RECT rect;
 395         ::GetClientRect(m_hWndParent, &rect);
 396         if (lprcPosRect)
 397         {
 398             lprcPosRect->left = lprcPosRect->top = 0;
 399             lprcPosRect->right = rect.right;
 400             lprcPosRect->bottom = rect.bottom;
 401         }
 402         if (lprcClipRect)
 403         {
 404             lprcClipRect->left = lprcClipRect->top = 0;
 405             lprcClipRect->right = rect.right;
 406             lprcClipRect->bottom = rect.bottom;
 407         }
 408
 409         memset(lpFrameInfo, 0, sizeof(OLEINPLACEFRAMEINFO));
 410         lpFrameInfo->cb = sizeof(OLEINPLACEFRAMEINFO);
 411         lpFrameInfo->hwndFrame = m_hWndParent;
 412
 413         return S_OK;
 414     }
 415     HRESULT STDMETHODCALLTYPE Scroll(SIZE){return S_OK;}
 416     HRESULT STDMETHODCALLTYPE OnUIDeactivate(BOOL)
 417     {   m_bUIActive = false;         return S_OK;    }
 418     HRESULT STDMETHODCALLTYPE OnInPlaceDeactivate()
 419     {   m_bInPlaceActive = false;    return S_OK;    }
 420     HRESULT STDMETHODCALLTYPE DiscardUndoState(){return S_OK;}
 421     HRESULT STDMETHODCALLTYPE DeactivateAndUndo(){return S_OK; }
 422     HRESULT STDMETHODCALLTYPE OnPosRectChange(LPCRECT lprcPosRect)
 423     {
 424         if (m_window->m_oleInPlaceObject.Ok() && lprcPosRect)
 425         {
 426            //
 427            // Result of several hours and days of bug hunting -
 428            // this is called by an object when it wants to resize
 429            // itself to something different then our parent window -
 430            // don't let it :)
 431            //
 432 //            m_window->m_oleInPlaceObject->SetObjectRects(
 433 //                lprcPosRect, lprcPosRect);
 434            RECT rcClient;
 435            ::GetClientRect(m_hWndParent, &rcClient);
 436             m_window->m_oleInPlaceObject->SetObjectRects(
 437                 &rcClient, &rcClient);
 438         }
 439         return S_OK;
 440     }
 441     //*************************IOleInPlaceSiteEx***********************
 442     HRESULT STDMETHODCALLTYPE OnInPlaceActivateEx(BOOL * pfNoRedraw, DWORD)
 443     {
 444 #ifdef __WXWINCE__
 445         IRunnableObject* runnable = NULL;
 446         HRESULT hr = QueryInterface(
 447             IID_IRunnableObject, (void**)(& runnable));
 448         if (SUCCEEDED(hr))
 449         {
 450             runnable->LockRunning(TRUE, FALSE);
 451         }
 452 #else
 453         OleLockRunning(m_window->m_ActiveX, TRUE, FALSE);
 454 #endif
 455         if (pfNoRedraw)
 456             (*pfNoRedraw) = FALSE;
 457         return S_OK;
 458     }
 459
 460     HRESULT STDMETHODCALLTYPE OnInPlaceDeactivateEx(BOOL)
 461     {
 462 #ifdef __WXWINCE__
 463         IRunnableObject* runnable = NULL;
 464         HRESULT hr = QueryInterface(
 465             IID_IRunnableObject, (void**)(& runnable));
 466         if (SUCCEEDED(hr))
 467         {
 468             runnable->LockRunning(FALSE, FALSE);
 469         }
 470 #else
 471         OleLockRunning(m_window->m_ActiveX, FALSE, FALSE);
 472 #endif
 473         return S_OK;
 474     }
 475     STDMETHOD(RequestUIActivate)(){ return S_OK;}
 476     //*************************IOleClientSite**************************
 477     HRESULT STDMETHODCALLTYPE SaveObject(){return S_OK;}
 478     const char *OleGetMonikerToStr(DWORD dwAssign)
 479     {
 480         switch (dwAssign)
 481         {
 482         case OLEGETMONIKER_ONLYIFTHERE  : return "OLEGETMONIKER_ONLYIFTHERE";
 483         case OLEGETMONIKER_FORCEASSIGN  : return "OLEGETMONIKER_FORCEASSIGN";
 484         case OLEGETMONIKER_UNASSIGN     : return "OLEGETMONIKER_UNASSIGN";
 485         case OLEGETMONIKER_TEMPFORUSER  : return "OLEGETMONIKER_TEMPFORUSER";
 486         default                         : return "Bad Enum";
 487         }
 488     }
 489
 490     const char *OleGetWhicMonikerStr(DWORD dwWhichMoniker)
 491     {
 492         switch(dwWhichMoniker)
 493         {
 494         case OLEWHICHMK_CONTAINER   : return "OLEWHICHMK_CONTAINER";
 495         case OLEWHICHMK_OBJREL      : return "OLEWHICHMK_OBJREL";
 496         case OLEWHICHMK_OBJFULL     : return "OLEWHICHMK_OBJFULL";
 497         default                     : return "Bad Enum";
 498         }
 499     }
 500     STDMETHOD(GetMoniker)(DWORD, DWORD, IMoniker **){return E_FAIL;}
 501     HRESULT STDMETHODCALLTYPE GetContainer(LPOLECONTAINER * ppContainer)
 502     {
 503         if (ppContainer == NULL)
 504             return E_INVALIDARG;
 505         HRESULT hr = QueryInterface(
 506             IID_IOleContainer, (void**)(ppContainer));
 507         wxASSERT(SUCCEEDED(hr));
 508         return hr;
 509     }
 510     HRESULT STDMETHODCALLTYPE ShowObject()
 511     {
 512         if (m_window->m_oleObjectHWND)
 513             ::ShowWindow(m_window->m_oleObjectHWND, SW_SHOW);
 514         return S_OK;
 515     }
 516     STDMETHOD(OnShowWindow)(BOOL){return S_OK;}
 517     STDMETHOD(RequestNewObjectLayout)(){return E_NOTIMPL;}
 518     //********************IParseDisplayName***************************
 519     HRESULT STDMETHODCALLTYPE ParseDisplayName(
 520         IBindCtx *, LPOLESTR, ULONG *, IMoniker **){return E_NOTIMPL;}
 521     //********************IOleContainer*******************************
 522     STDMETHOD(EnumObjects)(DWORD, IEnumUnknown **){return E_NOTIMPL;}
 523     HRESULT STDMETHODCALLTYPE LockContainer(BOOL){return S_OK;}
 524     //********************IOleItemContainer***************************
 525     HRESULT STDMETHODCALLTYPE
 526     #if 0 // defined(__WXWINCE__) && __VISUALC__ < 1400
 527     GetObject
 528     #elif defined(_UNICODE)
 529     GetObjectW
 530     #else
 531     GetObjectA
 532     #endif
 533     (LPOLESTR pszItem, DWORD, IBindCtx *, REFIID, void ** ppvObject)
 534     {
 535         if (pszItem == NULL || ppvObject == NULL)
 536             return E_INVALIDARG;
 537         *ppvObject = NULL;
 538         return MK_E_NOOBJECT;
 539     }
 540     HRESULT STDMETHODCALLTYPE GetObjectStorage(
 541         LPOLESTR pszItem, IBindCtx * , REFIID, void ** ppvStorage)
 542     {
 543         if (pszItem == NULL || ppvStorage == NULL)
 544             return E_INVALIDARG;
 545         *ppvStorage = NULL;
 546         return MK_E_NOOBJECT;
 547     }
 548     HRESULT STDMETHODCALLTYPE IsRunning(LPOLESTR pszItem)
 549     {
 550         if (pszItem == NULL)
 551             return E_INVALIDARG;
 552         return MK_E_NOOBJECT;
 553     }
 554     //***********************IOleControlSite*****************************
 555     HRESULT STDMETHODCALLTYPE OnControlInfoChanged()
 556     {return S_OK;}
 557     HRESULT STDMETHODCALLTYPE LockInPlaceActive(BOOL fLock)
 558     {
 559         m_bInPlaceLocked = (fLock) ? true : false;
 560         return S_OK;
 561     }
 562     HRESULT STDMETHODCALLTYPE GetExtendedControl(IDispatch **)
 563     {return E_NOTIMPL;}
 564     HRESULT STDMETHODCALLTYPE TransformCoords(
 565         POINTL * pPtlHimetric, POINTF * pPtfContainer, DWORD)
 566     {
 567         if (pPtlHimetric == NULL || pPtfContainer == NULL)
 568             return E_INVALIDARG;
 569         return E_NOTIMPL;
 570     }
 571     HRESULT STDMETHODCALLTYPE TranslateAccelerator(LPMSG, DWORD)
 572     {return E_NOTIMPL;}
 573     HRESULT STDMETHODCALLTYPE OnFocus(BOOL){return S_OK;}
 574     HRESULT STDMETHODCALLTYPE ShowPropertyFrame(){return E_NOTIMPL;}
 575     //**************************IOleCommandTarget***********************
 576     HRESULT STDMETHODCALLTYPE QueryStatus(const GUID *, ULONG cCmds,
 577                                 OLECMD prgCmds[], OLECMDTEXT *)
 578     {
 579         if (prgCmds == NULL) return E_INVALIDARG;
 580         for (ULONG nCmd = 0; nCmd < cCmds; nCmd++)
 581         {
 582             // unsupported by default
 583             prgCmds[nCmd].cmdf = 0;
 584         }
 585         return OLECMDERR_E_UNKNOWNGROUP;
 586     }
 587
 588     HRESULT STDMETHODCALLTYPE Exec(const GUID *, DWORD,
 589                             DWORD, VARIANTARG *, VARIANTARG *)
 590     {return OLECMDERR_E_NOTSUPPORTED;}
 591
 592     //**********************IAdviseSink************************************
 593     void STDMETHODCALLTYPE OnDataChange(FORMATETC *, STGMEDIUM *) {}
 594     void STDMETHODCALLTYPE OnViewChange(DWORD, LONG) {}
 595     void STDMETHODCALLTYPE OnRename(IMoniker *){}
 596     void STDMETHODCALLTYPE OnSave(){}
 597     void STDMETHODCALLTYPE OnClose(){}
 598
 599     //**********************IOleDocumentSite***************************
 600     HRESULT STDMETHODCALLTYPE ActivateMe(
 601         IOleDocumentView __RPC_FAR *pViewToActivate)
 602     {
 603         wxAutoIOleInPlaceSite inPlaceSite(
 604             IID_IOleInPlaceSite, (IDispatch *) this);
 605         if (!inPlaceSite.Ok())
 606             return E_FAIL;
 607
 608         if (pViewToActivate)
 609         {
 610             m_window->m_docView = pViewToActivate;
 611             m_window->m_docView->SetInPlaceSite(inPlaceSite);
 612         }
 613         else
 614         {
 615             wxAutoIOleDocument oleDoc(
 616                 IID_IOleDocument, m_window->m_oleObject);
 617             if (! oleDoc.Ok())
 618                 return E_FAIL;
 619
 620             HRESULT hr = oleDoc->CreateView(inPlaceSite, NULL,
 621                                     0, m_window->m_docView.GetRef());
 622             if (hr != S_OK)
 623                 return E_FAIL;
 624
 625             m_window->m_docView->SetInPlaceSite(inPlaceSite);
 626         }
 627
 628         m_window->m_docView->UIActivate(TRUE);
 629         return S_OK;
 630     }
 631
 632
 633 protected:
 634     wxActiveXContainer * m_window;
 635
 636     HDC m_hDCBuffer;
 637     HWND m_hWndParent;
 638
 639     bool m_bSupportsWindowlessActivation;
 640     bool m_bInPlaceLocked;
 641     bool m_bInPlaceActive;
 642     bool m_bUIActive;
 643     bool m_bWindowless;
 644
 645     LCID m_nAmbientLocale;
 646     COLORREF m_clrAmbientForeColor;
 647     COLORREF m_clrAmbientBackColor;
 648     bool m_bAmbientShowHatching;
 649     bool m_bAmbientShowGrabHandles;
 650     bool m_bAmbientAppearance;
 651 };
 652
 653 DEFINE_OLE_TABLE(FrameSite)
 654     OLE_INTERFACE(IID_IUnknown, IOleClientSite)
 655     OLE_IINTERFACE(IOleClientSite)
 656     OLE_INTERFACE(IID_IOleWindow, IOleInPlaceSite)
 657     OLE_IINTERFACE(IOleInPlaceSite)
 658     OLE_IINTERFACE(IOleInPlaceSiteEx)
 659     OLE_IINTERFACE(IOleInPlaceUIWindow)
 660     OLE_IINTERFACE(IOleInPlaceFrame)
 661     OLE_IINTERFACE(IParseDisplayName)
 662     OLE_IINTERFACE(IOleContainer)
 663     OLE_IINTERFACE(IOleItemContainer)
 664     OLE_IINTERFACE(IDispatch)
 665     OLE_IINTERFACE(IOleCommandTarget)
 666     OLE_IINTERFACE(IOleDocumentSite)
 667     OLE_IINTERFACE(IAdviseSink)
 668     OLE_IINTERFACE(IOleControlSite)
 669 END_OLE_TABLE
 670
 671
 672 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 673 //
 674 // wxActiveXEvents
 675 //
 676 // Handles and sends activex events received from the ActiveX control
 677 // to the appropriate wxEvtHandler
 678 //
 679 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 680 class wxActiveXEvents : public IDispatch
 681 {
 682 private:
 683     DECLARE_OLE_UNKNOWN(wxActiveXEvents);
 684
 685
 686     wxActiveXContainer *m_activeX;
 687     IID m_customId;
 688     bool m_haveCustomId;
 689
 690     friend bool wxActiveXEventsInterface(wxActiveXEvents *self, REFIID iid, void **_interface, const char *&desc);
 691
 692 public:
 693     wxActiveXEvents(wxActiveXContainer *ax) : m_activeX(ax), m_haveCustomId(false) {}
 694     wxActiveXEvents(wxActiveXContainer *ax, REFIID iid) : m_activeX(ax), m_customId(iid), m_haveCustomId(true) {}
 695     virtual ~wxActiveXEvents()
 696     {
 697     }
 698
 699     // IDispatch
 700     STDMETHODIMP GetIDsOfNames(REFIID, OLECHAR**, unsigned int, LCID, DISPID*)
 701     {
 702         return E_NOTIMPL;
 703     }
 704
 705     STDMETHODIMP GetTypeInfo(unsigned int, LCID, ITypeInfo**)
 706     {
 707         return E_NOTIMPL;
 708     }
 709
 710     STDMETHODIMP GetTypeInfoCount(unsigned int*)
 711     {
 712         return E_NOTIMPL;
 713     }
 714
 715
 716     STDMETHODIMP Invoke(DISPID dispIdMember, REFIID WXUNUSED(riid),
 717                         LCID WXUNUSED(lcid),
 718                           WORD wFlags, DISPPARAMS * pDispParams,
 719                           VARIANT * WXUNUSED(pVarResult), EXCEPINFO * WXUNUSED(pExcepInfo),
 720                           unsigned int * WXUNUSED(puArgErr))
 721     {
 722         if (wFlags & (DISPATCH_PROPERTYGET | DISPATCH_PROPERTYPUT | DISPATCH_PROPERTYPUTREF))
 723             return E_NOTIMPL;
 724
 725         wxASSERT(m_activeX);
 726
 727         // ActiveX Event
 728
 729         // Dispatch Event
 730         wxActiveXEvent  event;
 731         event.SetEventType(wxEVT_ACTIVEX);
 732         event.m_params.NullList();
 733         event.m_dispid = dispIdMember;
 734
 735         // arguments
 736         if (pDispParams)
 737         {
 738             for (DWORD i = pDispParams->cArgs; i > 0; i--)
 739             {
 740                 VARIANTARG& va = pDispParams->rgvarg[i-1];
 741                 wxVariant vx;
 742
 743 //                        vx.SetName(px.name);
 744                 wxConvertOleToVariant(va, vx);
 745                 event.m_params.Append(vx);
 746             }
 747         }
 748
 749         // process the events from the activex method
 750            m_activeX->ProcessEvent(event);
 751         for (DWORD i = 0; i < pDispParams->cArgs; i++)
 752         {
 753             VARIANTARG& va = pDispParams->rgvarg[i];
 754             wxVariant& vx =
 755                 event.m_params[pDispParams->cArgs - i - 1];
 756             wxConvertVariantToOle(vx, va);
 757         }
 758
 759         if(event.GetSkipped())
 760             return DISP_E_MEMBERNOTFOUND;
 761
 762         return S_OK;
 763     }
 764 };
 765
 766 bool wxActiveXEventsInterface(wxActiveXEvents *self, REFIID iid, void **_interface, const char *&desc)
 767 {
 768     if (self->m_haveCustomId && IsEqualIID(iid, self->m_customId))
 769     {
 770 //        WXOLE_TRACE("Found Custom Dispatch Interface");
 771         *_interface = (IUnknown *) (IDispatch *) self;
 772         desc = "Custom Dispatch Interface";
 773         return true;
 774     }
 775
 776     return false;
 777 }
 778
 779 DEFINE_OLE_TABLE(wxActiveXEvents)
 780     OLE_IINTERFACE(IUnknown)
 781     OLE_INTERFACE(IID_IDispatch, IDispatch)
 782     OLE_INTERFACE_CUSTOM(wxActiveXEventsInterface)
 783 END_OLE_TABLE
 784
 785 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 786 //
 787 // wxActiveXContainer
 788 //
 789 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 790
 791 //---------------------------------------------------------------------------
 792 // wxActiveXContainer Constructor
 793 //
 794 // Initializes members and creates the native ActiveX container
 795 //---------------------------------------------------------------------------
 796 wxActiveXContainer::wxActiveXContainer(wxWindow * parent,
 797                                        REFIID iid, IUnknown* pUnk)
 798     : m_realparent(parent)
 799 {
 800     m_bAmbientUserMode = true;
 801     m_docAdviseCookie = 0;
 802     CreateActiveX(iid, pUnk);
 803 }
 804
 805 //---------------------------------------------------------------------------
 806 // wxActiveXContainer Destructor
 807 //
 808 // Destroys members (the FrameSite et al. are destroyed implicitly
 809 // through COM ref counting)
 810 //---------------------------------------------------------------------------
 811 wxActiveXContainer::~wxActiveXContainer()
 812 {
 813     // disconnect connection points
 814     if (m_oleInPlaceObject.Ok())
 815     {
 816         m_oleInPlaceObject->InPlaceDeactivate();
 817         m_oleInPlaceObject->UIDeactivate();
 818     }
 819
 820     if (m_oleObject.Ok())
 821     {
 822         if (m_docAdviseCookie != 0)
 823             m_oleObject->Unadvise(m_docAdviseCookie);
 824
 825         m_oleObject->DoVerb(
 826             OLEIVERB_HIDE, NULL, m_clientSite, 0, (HWND) GetHWND(), NULL);
 827         m_oleObject->Close(OLECLOSE_NOSAVE);
 828         m_oleObject->SetClientSite(NULL);
 829     }
 830 }
 831
 832 //---------------------------------------------------------------------------
 833 // wxActiveXContainer::CreateActiveX
 834 //
 835 // Actually creates the ActiveX container through the FrameSite
 836 // and sets up ActiveX events
 837 //
 838 // TODO: Document this more
 839 //---------------------------------------------------------------------------
 840 void wxActiveXContainer::CreateActiveX(REFIID iid, IUnknown* pUnk)
 841 {
 842     HRESULT hret;
 843     hret = m_ActiveX.QueryInterface(iid, pUnk);
 844     wxASSERT(SUCCEEDED(hret));
 845
 846     // FrameSite
 847     FrameSite *frame = new FrameSite(m_realparent, this);
 848     // oleClientSite
 849     hret = m_clientSite.QueryInterface(
 850         IID_IOleClientSite, (IDispatch *) frame);
 851     wxASSERT(SUCCEEDED(hret));
 852     // adviseSink
 853     wxAutoIAdviseSink adviseSink(IID_IAdviseSink, (IDispatch *) frame);
 854     wxASSERT(adviseSink.Ok());
 855
 856     // Get Dispatch interface
 857     hret = m_Dispatch.QueryInterface(IID_IDispatch, m_ActiveX);
 858
 859     //
 860     // SETUP TYPEINFO AND ACTIVEX EVENTS
 861     //
 862
 863     // get type info via class info
 864     wxAutoIProvideClassInfo classInfo(IID_IProvideClassInfo, m_ActiveX);
 865     wxASSERT(classInfo.Ok());
 866
 867     // type info
 868     wxAutoITypeInfo typeInfo;
 869     hret = classInfo->GetClassInfo(typeInfo.GetRef());
 870     wxASSERT(typeInfo.Ok());
 871
 872     // TYPEATTR
 873     TYPEATTR *ta = NULL;
 874     hret = typeInfo->GetTypeAttr(&ta);
 875     wxASSERT(ta);
 876
 877     // this should be a TKIND_COCLASS
 878     wxASSERT(ta->typekind == TKIND_COCLASS);
 879
 880     // iterate contained interfaces
 881     for (int i = 0; i < ta->cImplTypes; i++)
 882     {
 883         HREFTYPE rt = 0;
 884
 885         // get dispatch type info handle
 886         hret = typeInfo->GetRefTypeOfImplType(i, &rt);
 887         if (! SUCCEEDED(hret))
 888             continue;
 889
 890         // get dispatch type info interface
 891         wxAutoITypeInfo  ti;
 892         hret = typeInfo->GetRefTypeInfo(rt, ti.GetRef());
 893         if (! ti.Ok())
 894             continue;
 895
 896         // check if default event sink
 897         bool defInterface = false;
 898         bool defEventSink = false;
 899         int impTypeFlags = 0;
 900         typeInfo->GetImplTypeFlags(i, &impTypeFlags);
 901
 902         if (impTypeFlags & IMPLTYPEFLAG_FDEFAULT)
 903         {
 904             if (impTypeFlags & IMPLTYPEFLAG_FSOURCE)
 905             {
 906                 // WXOLE_TRACEOUT("Default Event Sink");
 907                 defEventSink = true;
 908                 if (impTypeFlags & IMPLTYPEFLAG_FDEFAULTVTABLE)
 909                 {
 910                     // WXOLE_TRACEOUT("*ERROR* - Default Event Sink is via vTable");
 911                     defEventSink = false;
 912                     wxFAIL_MSG(wxT("Default event sink is in vtable!"));
 913                 }
 914             }
 915             else
 916             {
 917                 // WXOLE_TRACEOUT("Default Interface");
 918                 defInterface = true;
 919             }
 920         }
 921
 922
 923         // wxAutoOleInterface<> assumes a ref has already been added
 924         // TYPEATTR
 925         TYPEATTR *ta = NULL;
 926         hret = ti->GetTypeAttr(&ta);
 927         wxASSERT(ta);
 928
 929         if (ta->typekind == TKIND_DISPATCH)
 930         {
 931             // WXOLE_TRACEOUT("GUID = " << GetIIDName(ta->guid).c_str());
 932             if (defEventSink)
 933             {
 934                 wxAutoIConnectionPoint    cp;
 935                 DWORD                    adviseCookie = 0;
 936
 937                 wxAutoIConnectionPointContainer cpContainer(IID_IConnectionPointContainer, m_ActiveX);
 938                 wxASSERT( cpContainer.Ok());
 939
 940                 HRESULT hret =
 941                     cpContainer->FindConnectionPoint(ta->guid, cp.GetRef());
 942                 wxASSERT ( SUCCEEDED(hret));
 943
 944                 IDispatch* disp;
 945                 frame->QueryInterface(IID_IDispatch, (void**)&disp);
 946                 hret = cp->Advise(new wxActiveXEvents(this, ta->guid),
 947                                   &adviseCookie);
 948                 wxASSERT_MSG( SUCCEEDED(hret),
 949                     wxString::Format(wxT("Cannot connect!\nHRESULT:%X"), (unsigned int)hret)
 950                             );
 951             }
 952         }
 953
 954         ti->ReleaseTypeAttr(ta);
 955     }
 956
 957     // free
 958     typeInfo->ReleaseTypeAttr(ta);
 959
 960     //
 961     // END
 962     //
 963
 964     // Get IOleObject interface
 965     hret = m_oleObject.QueryInterface(IID_IOleObject, m_ActiveX);
 966     wxASSERT(SUCCEEDED(hret));
 967
 968     // get IViewObject Interface
 969     hret = m_viewObject.QueryInterface(IID_IViewObject, m_ActiveX);
 970     wxASSERT(SUCCEEDED(hret));
 971
 972     // document advise
 973     m_docAdviseCookie = 0;
 974     hret = m_oleObject->Advise(adviseSink, &m_docAdviseCookie);
 975     // TODO:Needed?
 976 //    hret = m_viewObject->SetAdvise(DVASPECT_CONTENT, 0, adviseSink);
 977     m_oleObject->SetHostNames(L"wxActiveXContainer", NULL);
 978     OleSetContainedObject(m_oleObject, TRUE);
 979     OleRun(m_oleObject);
 980
 981
 982     // Get IOleInPlaceObject interface
 983     hret = m_oleInPlaceObject.QueryInterface(
 984         IID_IOleInPlaceObject, m_ActiveX);
 985     wxASSERT(SUCCEEDED(hret));
 986
 987     // status
 988     DWORD dwMiscStatus;
 989     m_oleObject->GetMiscStatus(DVASPECT_CONTENT, &dwMiscStatus);
 990     wxASSERT(SUCCEEDED(hret));
 991
 992     // set client site first ?
 993     if (dwMiscStatus & OLEMISC_SETCLIENTSITEFIRST)
 994         m_oleObject->SetClientSite(m_clientSite);
 995
 996
 997     // stream init
 998     wxAutoIPersistStreamInit
 999         pPersistStreamInit(IID_IPersistStreamInit, m_oleObject);
1000
1001     if (pPersistStreamInit.Ok())
1002     {
1003         hret = pPersistStreamInit->InitNew();
1004     }
1005
1006     if (! (dwMiscStatus & OLEMISC_SETCLIENTSITEFIRST))
1007         m_oleObject->SetClientSite(m_clientSite);
1008
1009
1010     RECT posRect;
1011     ::GetClientRect((HWND)m_realparent->GetHWND(), &posRect);
1012
1013     m_oleObjectHWND = 0;
1014
1015     if (m_oleInPlaceObject.Ok())
1016     {
1017         hret = m_oleInPlaceObject->GetWindow(&m_oleObjectHWND);
1018         if (SUCCEEDED(hret))
1019             ::SetActiveWindow(m_oleObjectHWND);
1020     }
1021
1022
1023     if (! (dwMiscStatus & OLEMISC_INVISIBLEATRUNTIME))
1024     {
1025         if (posRect.right > 0 && posRect.bottom > 0 &&
1026             m_oleInPlaceObject.Ok())
1027                 m_oleInPlaceObject->SetObjectRects(&posRect, &posRect);
1028
1029         hret = m_oleObject->DoVerb(OLEIVERB_INPLACEACTIVATE, NULL,
1030             m_clientSite, 0, (HWND)m_realparent->GetHWND(), &posRect);
1031         hret = m_oleObject->DoVerb(OLEIVERB_SHOW, 0, m_clientSite, 0,
1032             (HWND)m_realparent->GetHWND(), &posRect);
1033     }
1034
1035     if (! m_oleObjectHWND && m_oleInPlaceObject.Ok())
1036     {
1037         hret = m_oleInPlaceObject->GetWindow(&m_oleObjectHWND);
1038     }
1039
1040     if (m_oleObjectHWND)
1041     {
1042         ::SetActiveWindow(m_oleObjectHWND);
1043         ::ShowWindow(m_oleObjectHWND, SW_SHOW);
1044
1045         this->AssociateHandle(m_oleObjectHWND);
1046         this->Reparent(m_realparent);
1047
1048         wxWindow* pWnd = m_realparent;
1049         int id = m_realparent->GetId();
1050
1051         pWnd->Connect(id, wxEVT_SIZE,
1052             wxSizeEventHandler(wxActiveXContainer::OnSize), 0, this);
1053 //        this->Connect(GetId(), wxEVT_PAINT,
1054 //            wxPaintEventHandler(wxActiveXContainer::OnPaint), 0, this);
1055         pWnd->Connect(id, wxEVT_SET_FOCUS,
1056             wxFocusEventHandler(wxActiveXContainer::OnSetFocus), 0, this);
1057         pWnd->Connect(id, wxEVT_KILL_FOCUS,
1058             wxFocusEventHandler(wxActiveXContainer::OnKillFocus), 0, this);
1059     }
1060 }
1061
1062 //---------------------------------------------------------------------------
1063 // wxActiveXContainer::OnSize
1064 //
1065 // Called when the parent is resized - we need to do this to actually
1066 // move the ActiveX control to where the parent is
1067 //---------------------------------------------------------------------------
1068 void wxActiveXContainer::OnSize(wxSizeEvent& event)
1069 {
1070     int w, h;
1071     GetParent()->GetClientSize(&w, &h);
1072
1073     RECT posRect;
1074     posRect.left = 0;
1075     posRect.top = 0;
1076     posRect.right = w;
1077     posRect.bottom = h;
1078
1079     if (w <= 0 && h <= 0)
1080         return;
1081
1082     // extents are in HIMETRIC units
1083     if (m_oleObject.Ok())
1084     {
1085         m_oleObject->DoVerb(OLEIVERB_HIDE, 0, m_clientSite, 0,
1086             (HWND)m_realparent->GetHWND(), &posRect);
1087
1088         SIZEL sz = {w, h};
1089         PixelsToHimetric(sz);
1090
1091         SIZEL sz2;
1092
1093         m_oleObject->GetExtent(DVASPECT_CONTENT, &sz2);
1094         if (sz2.cx !=  sz.cx || sz.cy != sz2.cy)
1095             m_oleObject->SetExtent(DVASPECT_CONTENT, &sz);
1096
1097         m_oleObject->DoVerb(OLEIVERB_SHOW, 0, m_clientSite, 0,
1098             (HWND)m_realparent->GetHWND(), &posRect);
1099     }
1100
1101     if (m_oleInPlaceObject.Ok())
1102         m_oleInPlaceObject->SetObjectRects(&posRect, &posRect);
1103
1104     event.Skip();
1105 }
1106
1107 //---------------------------------------------------------------------------
1108 // wxActiveXContainer::OnPaint
1109 //
1110 // Called when the parent is resized - repaints the ActiveX control
1111 //---------------------------------------------------------------------------
1112 void wxActiveXContainer::OnPaint(wxPaintEvent& WXUNUSED(event))
1113 {
1114     wxPaintDC dc(this);
1115     // Draw only when control is windowless or deactivated
1116     if (m_viewObject)
1117     {
1118         int w, h;
1119         GetParent()->GetSize(&w, &h);
1120         RECT posRect;
1121         posRect.left = 0;
1122         posRect.top = 0;
1123         posRect.right = w;
1124         posRect.bottom = h;
1125
1126 #if !(defined(_WIN32_WCE) && _WIN32_WCE < 400)
1127         ::RedrawWindow(m_oleObjectHWND, NULL, NULL, RDW_INTERNALPAINT);
1128 #else
1129         ::InvalidateRect(m_oleObjectHWND, NULL, false);
1130 #endif
1131         RECTL *prcBounds = (RECTL *) &posRect;
1132         m_viewObject->Draw(DVASPECT_CONTENT, -1, NULL, NULL, NULL,
1133             (HDC)dc.GetHDC(), prcBounds, NULL, NULL, 0);
1134     }
1135 }
1136
1137 //---------------------------------------------------------------------------
1138 // wxActiveXContainer::OnSetFocus
1139 //
1140 // Called when the focus is set on the parent - activates the activex control
1141 //---------------------------------------------------------------------------
1142 void wxActiveXContainer::OnSetFocus(wxFocusEvent& event)
1143 {
1144     if (m_oleInPlaceActiveObject.Ok())
1145         m_oleInPlaceActiveObject->OnFrameWindowActivate(TRUE);
1146
1147     event.Skip();
1148 }
1149
1150 //---------------------------------------------------------------------------
1151 // wxActiveXContainer::OnKillFocus
1152 //
1153 // Called when the focus is killed on the parent -
1154 // deactivates the activex control
1155 //---------------------------------------------------------------------------
1156 void wxActiveXContainer::OnKillFocus(wxFocusEvent& event)
1157 {
1158     if (m_oleInPlaceActiveObject.Ok())
1159         m_oleInPlaceActiveObject->OnFrameWindowActivate(FALSE);
1160
1161     event.Skip();
1162 }
1163
1164 #endif // wxUSE_ACTIVEX