wxPython/contrib/activex/activex.i

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        activex.i
   3 // Purpose:     ActiveX controls (such as Internet Explorer) in a wxWindow
   4 //
   5 // Author:      Robin Dunn
   6 //
   7 // Created:     18-Mar-2004
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 2004 by Total Control Software
  10 // Licence:     wxWindows license
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13
  14 %module activex
  15
  16 %{
  17 #include "wx/wxPython/wxPython.h"
  18 #include "wx/wxPython/pyclasses.h"
  19 #include "wx/wxPython/pyistream.h"
  20
  21 #include "wxactivex.h"
  22 %}
  23
  24 //---------------------------------------------------------------------------
  25
  26 %import core.i
  27 %pythoncode { wx = _core }
  28 %pythoncode { __docfilter__ = wx.__DocFilter(globals()) }
  29
  30 MAKE_CONST_WXSTRING_NOSWIG(PanelNameStr);
  31
  32 %include _activex_rename.i
  33
  34
  35 //---------------------------------------------------------------------------
  36
  37 typedef unsigned short  USHORT;
  38 typedef long            DISPID;
  39 typedef long            MEMBERID;
  40 typedef unsigned short  VARTYPE;
  41
  42
  43 %{
  44 // Since SWIG doesn't support nested classes, we need to fool it a bit
  45 // and make them look like global classes.  These defines make the C++ code
  46 // know what we are doing.
  47 #define wxParamX        wxActiveX::ParamX
  48 #define wxFuncX         wxActiveX::FuncX
  49 #define wxPropX         wxActiveX::PropX
  50 #define wxParamXArray   wxActiveX::ParamXArray
  51 #define wxFuncXArray    wxActiveX::FuncXArray
  52 #define wxPropXArray    wxActiveX::PropXArray
  53 %}
  54
  55
  56 %{
  57 // Some conversion helpers
  58 static wxVariant _PyObj2Variant(PyObject* value);
  59 static bool  _PyObj2Variant(PyObject* value, wxVariant& wv);
  60 static PyObject* _Variant2PyObj(wxVariant& value, bool useNone=False);
  61 static wxString  _VARTYPEname(VARTYPE vt);
  62
  63 // Check if an exception has been raised  (blocking threads)
  64 inline bool wxPyErr_Occurred()
  65 {
  66     bool rval;
  67     bool blocked = wxPyBeginBlockThreads();
  68     rval = PyErr_Occurred() != NULL;
  69     wxPyEndBlockThreads(blocked);
  70     return rval;
  71 }
  72
  73 %}
  74
  75 //---------------------------------------------------------------------------
  76 %newgroup
  77
  78 DocStr(CLSID,
  79 "This class wraps the Windows CLSID structure and is used to
  80 specify the class of the ActiveX object that is to be created.  A
  81 CLSID can be constructed from either a ProgID string, (such as
  82 'WordPad.Document.1') or a classID string, (such as
  83 '{CA8A9783-280D-11CF-A24D-444553540000}').");
  84
  85 class CLSID {
  86 public:
  87     %extend {
  88         CLSID(const wxString& id)
  89         {
  90             int result;
  91             CLSID* self = new CLSID;
  92             memset(self, 0, sizeof(CLSID));
  93
  94             if (id[0] == _T('{')) {
  95                 // Looks like a classID string
  96                 result =
  97                     CLSIDFromString(
  98                         (LPOLESTR)(const wchar_t *)id.wc_str(wxConvUTF8),
  99                         self);
 100             } else {
 101                 // Try a progID
 102                 result =
 103                     CLSIDFromProgID(
 104                         (LPOLESTR)(const wchar_t *)id.wc_str(wxConvUTF8),
 105                         self);
 106             }
 107             if (result != NOERROR) {
 108                 wxPyErr_SetString(PyExc_ValueError, "Not a recognized classID or progID");
 109                 delete self;
 110                 return NULL;
 111             }
 112             return self;
 113         }
 114
 115         ~CLSID() { delete self; }
 116
 117         wxString GetCLSIDString()
 118         {
 119             LPOLESTR s;
 120             wxString str;
 121             if (StringFromCLSID(*self, &s) == S_OK) {
 122                 str = s;
 123                 CoTaskMemFree(s);
 124             }
 125             else {
 126                 str = _T("Error!");  // TODO: raise exception?
 127             }
 128             return str;
 129         }
 130         wxString GetProgIDString()
 131         {
 132             LPOLESTR s;
 133             wxString str;
 134             if (ProgIDFromCLSID(*self, &s) == S_OK) {
 135                 str = s;
 136                 CoTaskMemFree(s);
 137             }
 138             else {
 139                 str = _T("Error!"); // TODO: raise exception?
 140             }
 141             return str;
 142         }
 143     }
 144     %pythoncode { def __str__(self):   return self.GetCLSIDString() }
 145 };
 146
 147
 148 //---------------------------------------------------------------------------
 149 %newgroup
 150
 151 %define MAKE_ARRAY_WRAPPER(basetype, arrayname)
 152 class arrayname
 153 {
 154 public:
 155     %extend {
 156         bool __nonzero__()          { return self->size() > 0; }
 157         int  __len__()              { return self->size(); }
 158
 159         const basetype& __getitem__(int idx) {
 160             if ( idx >= 0 && idx < self->size() )
 161                 return (*self)[idx];
 162             else {
 163                 static basetype BadVal;
 164                 wxPyErr_SetString(PyExc_IndexError, "Index out of range");
 165                 return BadVal;
 166             }
 167         }
 168         // TODO  __iter__??
 169     }
 170 };
 171 %enddef
 172
 173 //---------------------------------------------------------------------------
 174
 175 %immutable;
 176
 177 class wxParamX
 178 {
 179 public:
 180     USHORT      flags;
 181     bool        isPtr;
 182     bool        isSafeArray;
 183     bool        isOptional;
 184     VARTYPE     vt;
 185     wxString    name;
 186
 187     %feature("shadow") vt_type_get "vt_type = property(_activex.ParamX_vt_type_get)";
 188     %extend { wxString vt_type_get() { return _VARTYPEname(self->vt); } }
 189
 190     %feature("shadow") IsIn     "isIn = property(_activex.ParamX_IsIn)";
 191     %feature("shadow") IsOut    "isOut = property(_activex.ParamX_IsOut)";
 192     %feature("shadow") IsRetVal "isRetVal = property(_activex.ParamX_IsRetVal)";
 193     bool IsIn() const;
 194     bool IsOut() const;
 195     bool IsRetVal() const;
 196
 197 };
 198
 199
 200 class wxFuncX
 201 {
 202 public:
 203     wxString      name;
 204     MEMBERID      memid;
 205     bool          hasOut;
 206
 207     wxParamX      retType;
 208     wxParamXArray params;
 209 };
 210
 211
 212 class wxPropX
 213 {
 214 public:
 215     wxString    name;
 216     MEMBERID    memid;
 217     wxParamX    type;
 218     wxParamX    arg;
 219     bool        putByRef;
 220
 221     %feature("shadow") CanGet "canGet = property(_activex.PropX_CanGet)";
 222     %feature("shadow") CanSet "canSet = property(_activex.PropX_CanSet)";
 223     bool CanGet() const;
 224     bool CanSet() const;
 225 };
 226 %mutable;
 227
 228
 229 MAKE_ARRAY_WRAPPER(wxParamX, wxParamXArray);
 230 MAKE_ARRAY_WRAPPER(wxFuncX, wxFuncXArray);
 231 MAKE_ARRAY_WRAPPER(wxPropX, wxPropXArray);
 232
 233
 234 //---------------------------------------------------------------------------
 235 %newgroup
 236
 237 %{
 238 // C++ version of a Python-aware wxActiveX
 239 class wxActiveXWindow : public wxActiveX
 240 {
 241 private:
 242     CLSID       m_CLSID;
 243 public:
 244     wxActiveXWindow( wxWindow* parent, const CLSID& clsId, wxWindowID id = -1,
 245                      const wxPoint& pos = wxDefaultPosition,
 246                      const wxSize& size = wxDefaultSize,
 247                      long style = 0,
 248                      const wxString& name = wxPyPanelNameStr)
 249         : wxActiveX(parent, clsId, id, pos, size, style, name)
 250     {
 251         m_CLSID = clsId;
 252     }
 253
 254     const CLSID& GetCLSID() const { return m_CLSID; }
 255
 256
 257     // Renamed versions of some base class methods that delegate
 258     // to the base where appropriate, and raise Python exceptions
 259     // when needed.
 260     int GetAXEventCount() const  { return wxActiveX::GetEventCount(); }
 261     int GetAXPropCount() const   { return wxActiveX::GetPropCount(); }
 262     int GetAXMethodCount() const { return wxActiveX::GetMethodCount(); }
 263
 264     const wxFuncX& GetAXEventDesc(int idx) const
 265     {
 266         static wxFuncX BadVal;
 267         if (idx < 0 || idx >= GetAXEventCount()) {
 268             wxPyErr_SetString(PyExc_IndexError, "Index out of range");
 269             return BadVal;
 270         }
 271         return m_events[idx];
 272     }
 273     const wxFuncX& GetAXMethodDesc(int idx) const
 274     {
 275         static wxFuncX BadVal;
 276         if (idx < 0 || idx >= GetAXMethodCount()) {
 277             wxPyErr_SetString(PyExc_IndexError, "Index out of range");
 278             return BadVal;
 279         }
 280         return m_methods[idx];
 281     }
 282     const wxPropX& GetAXPropDesc(int idx) const
 283     {
 284         static wxPropX BadVal;
 285         if (idx < 0 || idx >= GetAXPropCount()) {
 286             wxPyErr_SetString(PyExc_IndexError, "Index out of range");
 287             return BadVal;
 288         }
 289         return m_props[idx];
 290     }
 291
 292     const wxFuncX& GetAXMethodDesc(const wxString& name) const
 293     {
 294         NameMap::const_iterator it = m_methodNames.find(name);
 295         if (it == m_methodNames.end())     {
 296             wxString msg;
 297             msg << _T("method <") << name << _T("> not found");
 298             wxPyErr_SetString(PyExc_KeyError, msg.mb_str());
 299             static wxFuncX BadVal;
 300             return BadVal;
 301         };
 302         return GetAXMethodDesc(it->second);
 303     }
 304     const wxPropX& GetAXPropDesc(const wxString& name) const
 305     {
 306         NameMap::const_iterator it = m_propNames.find(name);
 307         if (it == m_propNames.end())     {
 308             wxString msg;
 309             msg << _T("property <") << name << _T("> not found");
 310             wxPyErr_SetString(PyExc_KeyError, msg.mb_str());
 311             static wxPropX BadVal;
 312             return BadVal;
 313         };
 314         return GetAXPropDesc(it->second);
 315     }
 316
 317     // Accessors for the internal vectors of events, methods and
 318     // proprties.  Can be used as sequence like objects from
 319     // Python.
 320     const wxFuncXArray& GetAXEvents()      { return m_events; }
 321     const wxFuncXArray& GetAXMethods()     { return m_methods; }
 322     const wxPropXArray& GetAXProperties()  { return m_props; }
 323
 324
 325     // Set a property from a Python object
 326     void SetAXProp(const wxString& name, PyObject* value)
 327     {
 328         const wxPropX& prop = GetAXPropDesc(name);
 329         bool blocked = wxPyBeginBlockThreads();
 330         if (! PyErr_Occurred() ) {
 331             if (! prop.CanSet()) {
 332                 wxString msg;
 333                 msg << _T("property <") << name << _T("> is readonly");
 334                 PyErr_SetString(PyExc_TypeError, msg.mb_str());
 335                 goto done;
 336             } else {
 337                 wxVariant wxV = _PyObj2Variant(value);
 338                 if (PyErr_Occurred())
 339                     goto done;
 340                 VARIANT v = {prop.arg.vt};
 341                 if (!VariantToMSWVariant(wxV, v) || PyErr_Occurred()) {
 342                     wxString msg;
 343                     msg << _T("Unable to convert value to expected type: (")
 344                         << _VARTYPEname(prop.arg.vt) << _T(") for property <")
 345                         << name << _T(">");
 346                     PyErr_SetString(PyExc_TypeError, msg.mb_str());
 347                     goto done;
 348                 }
 349                 PyThreadState* tstate = wxPyBeginAllowThreads();
 350                 SetProp(prop.memid, v);
 351                 VariantClear(&v);
 352                 wxPyEndAllowThreads(tstate);
 353             }
 354         }
 355     done:
 356         wxPyEndBlockThreads(blocked);
 357     }
 358
 359
 360     // Get a property and convert it to a Python object
 361     PyObject* GetAXProp(const wxString& name)
 362     {
 363         PyObject* rval = NULL;
 364         const wxPropX& prop = GetAXPropDesc(name);
 365         bool blocked = wxPyBeginBlockThreads();
 366         if (! PyErr_Occurred() ) {
 367             if (! prop.CanGet()) {
 368                 wxString msg;
 369                 msg << _T("property <") << name << _T("> is writeonly");
 370                 PyErr_SetString(PyExc_TypeError, msg.mb_str());
 371                 goto done;
 372             } else {
 373                 PyThreadState* tstate = wxPyBeginAllowThreads();
 374                 VARIANT v = GetPropAsVariant(prop.memid);
 375                 wxPyEndAllowThreads(tstate);
 376                 wxVariant wv;
 377                 if (!MSWVariantToVariant(v, wv) || PyErr_Occurred()) {
 378                     wxString msg;
 379                     msg << _T("Unable to convert value to expected type: (")
 380                         << _VARTYPEname(prop.arg.vt) << _T(") for property <")
 381                         << name << _T(">");
 382                     PyErr_SetString(PyExc_TypeError, msg.mb_str());
 383                     goto done;
 384                 }
 385                 rval = _Variant2PyObj(wv);
 386                 VariantClear(&v);
 387             }
 388         }
 389     done:
 390         wxPyEndBlockThreads(blocked);
 391         return rval;
 392     }
 393
 394
 395     // If both IsIn and isOut are false, assume it is actually an
 396     // input param
 397     bool paramIsIn(const wxParamX& p)
 398     {
 399         return p.IsIn() || (!p.IsIn() && !p.IsOut());
 400     }
 401
 402
 403     // Call a method of the ActiveX object
 404     PyObject* _CallAXMethod(const wxString& name, PyObject* args)
 405     {
 406         VARIANTARG *vargs = NULL;
 407         int nargs = 0;
 408         PyObject* rval = NULL;
 409         const wxFuncX& func = GetAXMethodDesc(name);
 410
 411         bool blocked = wxPyBeginBlockThreads();
 412         if (! PyErr_Occurred() ) {
 413             nargs = func.params.size();
 414             if (nargs > 0)
 415                 vargs = new VARIANTARG[nargs];
 416
 417             if (vargs) {
 418                 // init type of vargs, in reverse order
 419                 int i;
 420                 for (i = 0; i < nargs; i++)
 421                     vargs[nargs - i - 1].vt = func.params[i].vt;
 422
 423                 // Map the args coming from Python to the input parameters in vargs
 424                 int pi = 0;
 425                 i = 0;
 426                 while ( i<nargs && pi<PyTuple_Size(args) ) {
 427                     // Move to the next input param.
 428                     if (! paramIsIn(func.params[i])) {
 429                         i += 1;
 430                         continue;
 431                     }
 432                     // convert the python object
 433                     PyObject* obj = PyTuple_GetItem(args, pi);
 434                     if (obj == Py_None) // special-case None?
 435                         vargs[nargs - i - 1].vt = VT_EMPTY;
 436                     else {
 437                         wxVariant wxV = _PyObj2Variant(obj);
 438                         if (PyErr_Occurred())
 439                             goto done;
 440                         if (!VariantToMSWVariant(wxV, vargs[nargs - i - 1]) || PyErr_Occurred()) {
 441                             wxString msg;
 442                             msg << _T("Unable to convert value to expected type: (")
 443                                 << _VARTYPEname(vargs[nargs - i - 1].vt)
 444                                 << _T(") for parameter ") << i;
 445                             PyErr_SetString(PyExc_TypeError, msg.mb_str());
 446                             goto done;
 447                         }
 448                     }
 449                     i += 1;
 450                     pi += 1;
 451                 }
 452             }
 453
 454             // call the method
 455             PyThreadState* tstate = wxPyBeginAllowThreads();
 456             VARIANT rv = CallMethod(func.memid, vargs, nargs);
 457             wxPyEndAllowThreads(tstate);
 458
 459             // Convert the return value and any out-params, ignoring
 460             // conversion errors for now
 461             wxVariant wv;
 462             MSWVariantToVariant(rv, wv);
 463             rval = _Variant2PyObj(wv, True);
 464             VariantClear(&rv);
 465
 466             if (func.hasOut) {
 467                 // make a list and put the rval in it if it is not None
 468                 PyObject* lst = PyList_New(0);
 469                 if (rval != Py_None)
 470                     PyList_Append(lst, rval);
 471                 else
 472                     Py_DECREF(rval);
 473
 474                 // find the out params and convert them
 475                 for (int i = 0; i < nargs; i++) {
 476                     VARIANTARG& va = vargs[nargs - i - 1];
 477                     const wxParamX &px = func.params[i];
 478                     if (px.IsOut()) {
 479                         MSWVariantToVariant(va, wv);
 480                         PyObject* obj = _Variant2PyObj(wv, True);
 481                         PyList_Append(lst, obj);
 482                     }
 483                 }
 484                 rval = PyList_AsTuple(lst);
 485                 Py_DECREF(lst);
 486             }
 487             if (PyErr_Occurred())
 488                 PyErr_Clear();
 489         }
 490     done:
 491         wxPyEndBlockThreads(blocked);
 492         if (vargs) {
 493             for (int i = 0; i < nargs; i++)
 494                 VariantClear(&vargs[i]);
 495             delete [] vargs;
 496         }
 497         return rval;
 498     }
 499 };
 500 %}
 501
 502
 503
 504 // Now tell SWIG about this new class that is implemented above.
 505
 506 DocStr(wxActiveXWindow,
 507 "ActiveXWindow derives from wxWindow and the constructor accepts a
 508 CLSID for the ActiveX Control that should be created.  The
 509 ActiveXWindow class simply adds methods that allow you to query
 510 some of the TypeInfo exposed by the ActiveX object, and also to
 511 get/set properties or call methods by name.  The Python
 512 implementation automatically handles converting parameters and
 513 return values to/from the types expected by the ActiveX code as
 514 specified by the TypeInfo.
 515 ");
 516
 517
 518 class wxActiveXWindow : public wxWindow
 519 {
 520 public:
 521     %pythonAppend wxActiveXWindow      "self._setOORInfo(self)"
 522
 523     DocCtorStr(
 524         wxActiveXWindow( wxWindow* parent, const CLSID& clsId, wxWindowID id = -1,
 525                          const wxPoint& pos = wxDefaultPosition,
 526                          const wxSize& size = wxDefaultSize,
 527                          long style = 0,
 528                          const wxString& name = wxPyPanelNameStr),
 529         "Creates an ActiveX control from the clsID given and makes it act
 530 as much like a regular wx.Window as possible.");
 531
 532     DocDeclStr(
 533         const CLSID& , GetCLSID() const,
 534         "Return the CLSID used to construct this ActiveX window");
 535
 536
 537     DocDeclStr(
 538         int , GetAXEventCount() const,
 539         "Number of events defined for this control");
 540
 541     DocDeclStr(
 542         const wxFuncX& , GetAXEventDesc(int idx) const,
 543         "Returns event description by index");
 544
 545
 546     DocDeclStr(
 547         int , GetAXPropCount() const,
 548         "Number of properties defined for this control");
 549
 550     %nokwargs GetAXPropDesc;
 551     DocStr(GetPropDesc, "Returns property description by index or by name");
 552     const wxPropX& GetAXPropDesc(int idx) const;
 553     const wxPropX& GetAXPropDesc(const wxString& name) const;
 554
 555
 556
 557     DocDeclStr(
 558         int , GetAXMethodCount() const,
 559         "Number of methods defined for this control");
 560
 561     %nokwargs GetAXMethodDesc;
 562     DocStr(GetMethodDesc, "Returns method description by index or name");
 563     const wxFuncX& GetAXMethodDesc(int idx) const;
 564     const wxFuncX& GetAXMethodDesc(const wxString& name) const;
 565
 566
 567     DocDeclStr(
 568         const wxFuncXArray& , GetAXEvents(),
 569         "Returns a sequence of FuncX objects describing the events
 570 available for this ActiveX object.");
 571
 572     DocDeclStr(
 573         const wxFuncXArray& , GetAXMethods(),
 574         "Returns a sequence of FuncX objects describing the methods
 575 available for this ActiveX object.");
 576
 577     DocDeclStr(
 578         const wxPropXArray& , GetAXProperties(),
 579         "Returns a sequence of PropX objects describing the properties
 580 available for this ActiveX object.");
 581
 582
 583
 584     DocDeclStr(
 585         void , SetAXProp(const wxString& name, PyObject* value),
 586         "Set a property of the ActiveX object by name.");
 587
 588
 589     DocDeclStr(
 590         PyObject* , GetAXProp(const wxString& name),
 591         "Get the value of an ActiveX property by name.");
 592
 593
 594     %nokwargs _CallAXMethod;
 595     DocDeclStr(
 596         PyObject* , _CallAXMethod(const wxString& name, PyObject* args),
 597         "The implementation for CallMethod.  Calls an ActiveX method, by
 598 name passing the parameters given in args.");
 599     %pythoncode {
 600         def CallAXMethod(self, name, *args):
 601             """
 602             Front-end for _CallMethod.  Simply passes all positional args
 603             after the name as a single tuple to _CallMethod.
 604             """
 605             return self._CallAXMethod(name, args)
 606     }
 607 };
 608
 609 //---------------------------------------------------------------------------
 610 %newgroup
 611
 612 DocDeclStr(
 613     wxEventType , RegisterActiveXEvent(const wxString& eventName),
 614     "Creates a standard wx event ID for the given eventName.");
 615
 616
 617
 618 DocStr(wxActiveXEvent,
 619 "An instance of ActiveXEvent is sent to the handler for all bound
 620 ActiveX events.  Any event parameters from the ActiveX cntrol are
 621 turned into attributes of the Python proxy for this event object.
 622 Additionally, there is a property called eventName that will
 623 return (surprisingly <wink>) the name of the ActiveX event.");
 624
 625 class wxActiveXEvent : public wxCommandEvent
 626 {
 627 public:
 628     %feature("shadow") EventName "eventName = property(_activex.ActiveXEvent_EventName)";
 629     wxString EventName();
 630
 631     %extend {
 632
 633         // This is called by the EventThunker before calling the
 634         // handler. We'll convert and load the ActiveX event parameters into
 635         // attributes of the Python event object.
 636         void _preCallInit(PyObject* pyself) {
 637             bool blocked = wxPyBeginBlockThreads();
 638             PyObject* pList = PyList_New(0);
 639             PyObject_SetAttrString(pyself, "paramList", pList);
 640             Py_DECREF(pList);
 641             for (int i=0; i<self->ParamCount(); i+=1) {
 642                 PyObject* name = PyString_FromString((char*)(const char*)self->ParamName(i).mb_str());
 643                 PyObject* val = _Variant2PyObj((*self)[i], True);
 644                 PyObject_SetAttr(pyself, name, val);
 645                 PyList_Append(pList, name);
 646                 Py_DECREF(val);
 647                 Py_DECREF(name);
 648             }
 649             wxPyEndBlockThreads(blocked);
 650         }
 651
 652         // This one is called by the EventThunker after calling the
 653         // handler. It reloads any "out" parameters from the python attributes
 654         // back into the wxVariant they came from.
 655         void _postCallCleanup(PyObject* pyself) {
 656             bool blocked = wxPyBeginBlockThreads();
 657             for (int i=0; i<self->ParamCount(); i+=1) {
 658                 PyObject* val = PyObject_GetAttrString(
 659                     pyself, (char*)(const char*)self->ParamName(i).mb_str());
 660                 _PyObj2Variant(val, (*self)[i]);
 661                 Py_DECREF(val);
 662             }
 663             wxPyEndBlockThreads(blocked);
 664         }
 665
 666
 667     }
 668 };
 669
 670 //---------------------------------------------------------------------------
 671
 672 %{
 673
 674 // Caller should already have the GIL!
 675 wxVariant _PyObj2Variant(PyObject* value)
 676 {
 677     wxVariant rval;
 678
 679     if (value == Py_None)
 680         return rval;
 681
 682 #if PYTHON_API_VERSION >= 1012  // Python 2.3+
 683     else if (PyBool_Check(value))
 684         rval = (value == Py_True) ? true : false;
 685 #endif
 686
 687     else if (PyInt_Check(value))
 688         rval = PyInt_AS_LONG(value);
 689
 690     else if (PyFloat_Check(value))
 691         rval = PyFloat_AS_DOUBLE(value);
 692
 693     else if (PyString_Check(value) || PyUnicode_Check(value))
 694         rval = Py2wxString(value);
 695
 696     // TODO:    PyList of strings --> wxArrayString
 697     //          wxDateTime
 698     //          list of objects
 699     //          etc.
 700
 701     else {
 702         PyErr_SetString(PyExc_TypeError, "Unsupported object type in _PyObj2Variant");
 703         rval = (long)0;
 704     }
 705
 706     return rval;
 707 }
 708
 709 // This one uses the type of the variant to try and force the conversion
 710 bool  _PyObj2Variant(PyObject* value, wxVariant& wv)
 711 {
 712     wxString type = wv.GetType();
 713
 714     if ( type == _T("long") || type == _T("bool") || type == _T("char") )
 715         wv = PyInt_AsLong(value);
 716
 717     else if ( type == _T("string") )
 718         wv = Py2wxString(value);
 719
 720     else if ( type == _T("double") )
 721         wv  = PyFloat_AsDouble(value);
 722
 723     else {
 724         // it's some other type that we dont' handle yet.  Log it?
 725         return false;
 726     }
 727     return true;
 728 }
 729
 730 // Caller should already have the GIL!
 731 PyObject* _Variant2PyObj(wxVariant& value, bool useNone)
 732 {
 733     PyObject* rval = NULL;
 734
 735     if (value.IsNull()) {
 736         rval = Py_None;
 737         Py_INCREF(rval);
 738     }
 739
 740     // should "char" be treated as an int or as a string?
 741     else if (value.IsType(_T("char")) || value.IsType(_T("long")))
 742         rval = PyInt_FromLong(value);
 743
 744     else if (value.IsType(_T("double")))
 745         rval = PyFloat_FromDouble(value);
 746
 747     else if (value.IsType(_T("bool"))) {
 748         rval = (bool)value ? Py_True : Py_False;
 749         Py_INCREF(rval);
 750     }
 751
 752     else if (value.IsType(_T("string")))
 753         rval = wx2PyString(value);
 754
 755     else {
 756         if (useNone) {
 757             rval = Py_None;
 758             Py_INCREF(rval);
 759         }
 760         else {
 761             PyErr_SetString(PyExc_TypeError, "Unsupported object type in _Variant2PyObj");
 762         }
 763     }
 764     return rval;
 765 }
 766
 767
 768 wxString _VARTYPEname(VARTYPE vt)
 769 {
 770     if (vt & VT_BYREF)
 771         vt &= ~(VT_BYREF);
 772
 773     switch(vt) {
 774     case VT_VARIANT:
 775         return _T("VT_VARIANT");
 776
 777     // 1 byte chars
 778     case VT_I1:
 779     case VT_UI1:
 780     // 2 byte shorts
 781     case VT_I2:
 782     case VT_UI2:
 783     // 4 bytes longs
 784     case VT_I4:
 785     case VT_UI4:
 786     case VT_INT:
 787     case VT_UINT:
 788     case VT_ERROR:
 789         return _T("int");
 790
 791     // 4 byte floats
 792     case VT_R4:
 793     // 8 byte doubles
 794     case VT_R8:
 795     // decimals are converted from doubles too
 796     case VT_DECIMAL:
 797         return _T("double");
 798
 799     case VT_BOOL:
 800         return _T("bool");
 801
 802     case VT_DATE:
 803         return _T("wx.DateTime");
 804
 805     case VT_BSTR:
 806         return _T("string");
 807
 808     case VT_UNKNOWN:
 809         return _T("VT_UNKNOWN");
 810
 811     case VT_DISPATCH:
 812         return _T("VT_DISPATCH");
 813
 814     case VT_EMPTY:
 815         return _T("VT_EMPTY");
 816
 817     case VT_NULL:
 818         return _T("VT_NULL");
 819
 820     case VT_VOID:
 821         return _T("VT_VOID");
 822
 823     default:
 824         wxString msg;
 825         msg << _T("unsupported type ") << vt;
 826         return msg;
 827     }
 828 }
 829
 830 %}
 831
 832 //---------------------------------------------------------------------------
 833 //---------------------------------------------------------------------------
 834 %newgroup
 835
 836
 837 %{
 838 // A class derived from out wxActiveXWindow for the IE WebBrowser
 839 // control that will serve as a base class for a Python
 840 // implementation.  This is done so we can "eat our own dog food"
 841 // and use a class at least mostly generated by genaxmodule, but
 842 // also get some of the extra stuff like loading a document from
 843 // a string or a stream, getting text contents, etc. that
 844 // Lindsay's version gives us.
 845 //
 846
 847 #include <wx/mstream.h>
 848 #include <oleidl.h>
 849 #include <winerror.h>
 850 #include <exdispid.h>
 851 #include <exdisp.h>
 852 #include <olectl.h>
 853 #include <Mshtml.h>
 854 #include <sstream>
 855
 856 #include "IEHtmlStream.h"
 857
 858 class wxIEHtmlWindowBase : public wxActiveXWindow {
 859 private:
 860     wxAutoOleInterface<IWebBrowser2>  m_webBrowser;
 861
 862 public:
 863
 864     wxIEHtmlWindowBase ( wxWindow* parent, const CLSID& clsId, wxWindowID id = -1,
 865                          const wxPoint& pos = wxDefaultPosition,
 866                          const wxSize& size = wxDefaultSize,
 867                          long style = 0,
 868                          const wxString& name = wxPyPanelNameStr)
 869         : wxActiveXWindow(parent, clsId, id, pos, size, style, name)
 870     {
 871         HRESULT hret;
 872
 873         // Get IWebBrowser2 Interface
 874         hret = m_webBrowser.QueryInterface(IID_IWebBrowser2, m_ActiveX);
 875         wxASSERT(SUCCEEDED(hret));
 876
 877         // web browser setup
 878         m_webBrowser->put_MenuBar(VARIANT_FALSE);
 879         m_webBrowser->put_AddressBar(VARIANT_FALSE);
 880         m_webBrowser->put_StatusBar(VARIANT_FALSE);
 881         m_webBrowser->put_ToolBar(VARIANT_FALSE);
 882
 883         m_webBrowser->put_RegisterAsBrowser(VARIANT_TRUE);
 884         m_webBrowser->put_RegisterAsDropTarget(VARIANT_TRUE);
 885
 886         m_webBrowser->Navigate( L"about:blank", NULL, NULL, NULL, NULL );
 887     }
 888
 889
 890     void SetCharset(const wxString& charset)
 891     {
 892         HRESULT hret;
 893
 894         // HTML Document ?
 895         IDispatch *pDisp = NULL;
 896         hret = m_webBrowser->get_Document(&pDisp);
 897         wxAutoOleInterface<IDispatch> disp(pDisp);
 898
 899         if (disp.Ok())
 900         {
 901             wxAutoOleInterface<IHTMLDocument2> doc(IID_IHTMLDocument2, disp);
 902             if (doc.Ok())
 903                 doc->put_charset((BSTR) (const wchar_t *) charset.wc_str(wxConvUTF8));
 904             //doc->put_charset((BSTR) wxConvUTF8.cMB2WC(charset).data());
 905         }
 906     }
 907
 908
 909     bool LoadString(const wxString& html)
 910     {
 911         char *data = NULL;
 912         size_t len = html.length();
 913         len *= sizeof(wxChar);
 914         data = (char *) malloc(len);
 915         memcpy(data, html.c_str(), len);
 916         return LoadStream(new wxOwnedMemInputStream(data, len));
 917     }
 918
 919
 920     bool LoadStream(IStreamAdaptorBase *pstrm)
 921     {
 922         // need to prepend this as poxy MSHTML will not recognise a HTML comment
 923         // as starting a html document and treats it as plain text
 924         // Does nayone know how to force it to html mode ?
 925 #if wxUSE_UNICODE
 926         // TODO: What to do in this case???
 927 #else
 928         pstrm->prepend = _T("<html>");
 929 #endif
 930
 931         // strip leading whitespace as it can confuse MSHTML
 932         wxAutoOleInterface<IStream> strm(pstrm);
 933
 934         // Document Interface
 935         IDispatch *pDisp = NULL;
 936         HRESULT hret = m_webBrowser->get_Document(&pDisp);
 937         if (! pDisp)
 938             return false;
 939         wxAutoOleInterface<IDispatch> disp(pDisp);
 940
 941
 942         // get IPersistStreamInit
 943         wxAutoOleInterface<IPersistStreamInit>
 944             pPersistStreamInit(IID_IPersistStreamInit, disp);
 945
 946         if (pPersistStreamInit.Ok())
 947         {
 948             HRESULT hr = pPersistStreamInit->InitNew();
 949             if (SUCCEEDED(hr))
 950                 hr = pPersistStreamInit->Load(strm);
 951
 952             return SUCCEEDED(hr);
 953         }
 954         else
 955             return false;
 956     }
 957
 958     bool LoadStream(wxInputStream *is)
 959     {
 960         // wrap reference around stream
 961         IwxStreamAdaptor *pstrm = new IwxStreamAdaptor(is);
 962         pstrm->AddRef();
 963
 964         return LoadStream(pstrm);
 965     }
 966
 967
 968     wxString GetStringSelection(bool asHTML)
 969     {
 970         wxAutoOleInterface<IHTMLTxtRange> tr(wxieGetSelRange(m_oleObject));
 971         if (! tr)
 972             return wxEmptyString;
 973
 974         BSTR text = NULL;
 975         HRESULT hr = E_FAIL;
 976
 977         if (asHTML)
 978             hr = tr->get_htmlText(&text);
 979         else
 980             hr = tr->get_text(&text);
 981         if (hr != S_OK)
 982             return wxEmptyString;
 983
 984         wxString s = text;
 985         SysFreeString(text);
 986
 987         return s;
 988     };
 989
 990     wxString GetText(bool asHTML)
 991     {
 992         if (! m_webBrowser.Ok())
 993             return wxEmptyString;
 994
 995         // get document dispatch interface
 996         IDispatch *iDisp = NULL;
 997         HRESULT hr = m_webBrowser->get_Document(&iDisp);
 998         if (hr != S_OK)
 999             return wxEmptyString;
1000
1001         // Query for Document Interface
1002         wxAutoOleInterface<IHTMLDocument2> hd(IID_IHTMLDocument2, iDisp);
1003         iDisp->Release();
1004
1005         if (! hd.Ok())
1006             return wxEmptyString;
1007
1008         // get body element
1009         IHTMLElement *_body = NULL;
1010         hd->get_body(&_body);
1011         if (! _body)
1012             return wxEmptyString;
1013         wxAutoOleInterface<IHTMLElement> body(_body);
1014
1015         // get inner text
1016         BSTR text = NULL;
1017         hr = E_FAIL;
1018
1019         if (asHTML)
1020             hr = body->get_innerHTML(&text);
1021         else
1022             hr = body->get_innerText(&text);
1023         if (hr != S_OK)
1024             return wxEmptyString;
1025
1026         wxString s = text;
1027         SysFreeString(text);
1028
1029         return s;
1030     }
1031
1032
1033 //     void wxIEHtmlWin::SetEditMode(bool seton)
1034 //     {
1035 //         m_bAmbientUserMode = ! seton;
1036 //         AmbientPropertyChanged(DISPID_AMBIENT_USERMODE);
1037 //     };
1038
1039 //     bool wxIEHtmlWin::GetEditMode()
1040 //     {
1041 //         return ! m_bAmbientUserMode;
1042 //     };
1043 };
1044 %}
1045
1046
1047 // we'll document it in the derived Python class
1048 %feature("noautodoc") wxIEHtmlWindowBase;
1049 %feature("noautodoc") wxIEHtmlWindowBase::SetCharset;
1050 %feature("noautodoc") wxIEHtmlWindowBase::LoadString;
1051 %feature("noautodoc") wxIEHtmlWindowBase::LoadStream;
1052 %feature("noautodoc") wxIEHtmlWindowBase::GetStringSelection;
1053 %feature("noautodoc") wxIEHtmlWindowBase::GetText;
1054
1055
1056 class wxIEHtmlWindowBase : public wxActiveXWindow {
1057 public:
1058
1059     wxIEHtmlWindowBase ( wxWindow* parent, const CLSID& clsId, wxWindowID id = -1,
1060                          const wxPoint& pos = wxDefaultPosition,
1061                          const wxSize& size = wxDefaultSize,
1062                          long style = 0,
1063                          const wxString& name = wxPyPanelNameStr);
1064
1065     void SetCharset(const wxString& charset);
1066     bool LoadString(const wxString& html);
1067     bool LoadStream(wxInputStream *is);
1068     wxString GetStringSelection(bool asHTML);
1069     wxString GetText(bool asHTML);
1070 };
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082 #if 0
1083 enum wxIEHtmlRefreshLevel
1084 {
1085     wxIEHTML_REFRESH_NORMAL = 0,
1086     wxIEHTML_REFRESH_IFEXPIRED = 1,
1087     wxIEHTML_REFRESH_CONTINUE = 2,
1088     wxIEHTML_REFRESH_COMPLETELY = 3
1089 };
1090
1091 DocStr(wxIEHtmlWin,
1092 "");
1093 class wxIEHtmlWin : public wxWindow
1094 {
1095 public:
1096     %pythonAppend wxIEHtmlWin      "self._setOORInfo(self)"
1097
1098     wxIEHtmlWin(wxWindow * parent, wxWindowID id = -1,
1099                 const wxPoint& pos = wxDefaultPosition,
1100                 const wxSize& size = wxDefaultSize,
1101                 long style = 0,
1102                 const wxString& name = wxPyPanelNameStr);
1103
1104     void LoadUrl(const wxString& url);
1105     bool LoadString(wxString html);
1106     bool LoadStream(wxInputStream *is);
1107
1108     %pythoncode { Navigate = LoadUrl }
1109
1110     void SetCharset(wxString charset);
1111     void SetEditMode(bool seton);
1112     bool GetEditMode();
1113     wxString GetStringSelection(bool asHTML = false);
1114     wxString GetText(bool asHTML = false);
1115
1116     bool GoBack();
1117     bool GoForward();
1118     bool GoHome();
1119     bool GoSearch();
1120     %name(RefreshPage)bool Refresh(wxIEHtmlRefreshLevel level);
1121     bool Stop();
1122 };
1123
1124
1125
1126 %pythoncode {
1127 wxEVT_COMMAND_MSHTML_BEFORENAVIGATE2  = RegisterActiveXEvent('BeforeNavigate2')
1128 wxEVT_COMMAND_MSHTML_NEWWINDOW2       = RegisterActiveXEvent('NewWindow2')
1129 wxEVT_COMMAND_MSHTML_DOCUMENTCOMPLETE = RegisterActiveXEvent('DocumentComplete')
1130 wxEVT_COMMAND_MSHTML_PROGRESSCHANGE   = RegisterActiveXEvent('ProgressChange')
1131 wxEVT_COMMAND_MSHTML_STATUSTEXTCHANGE = RegisterActiveXEvent('StatusTextChange')
1132 wxEVT_COMMAND_MSHTML_TITLECHANGE      = RegisterActiveXEvent('TitleChange')
1133
1134 EVT_MSHTML_BEFORENAVIGATE2      = wx.PyEventBinder(wxEVT_COMMAND_MSHTML_BEFORENAVIGATE2, 1)
1135 EVT_MSHTML_NEWWINDOW2           = wx.PyEventBinder(wxEVT_COMMAND_MSHTML_NEWWINDOW2, 1)
1136 EVT_MSHTML_DOCUMENTCOMPLETE     = wx.PyEventBinder(wxEVT_COMMAND_MSHTML_DOCUMENTCOMPLETE, 1)
1137 EVT_MSHTML_PROGRESSCHANGE       = wx.PyEventBinder(wxEVT_COMMAND_MSHTML_PROGRESSCHANGE, 1)
1138 EVT_MSHTML_STATUSTEXTCHANGE     = wx.PyEventBinder(wxEVT_COMMAND_MSHTML_STATUSTEXTCHANGE, 1)
1139 EVT_MSHTML_TITLECHANGE          = wx.PyEventBinder(wxEVT_COMMAND_MSHTML_TITLECHANGE, 1)
1140 }
1141
1142 #endif
1143
1144 //---------------------------------------------------------------------------
1145 // Include some extra Python code into the proxy module
1146
1147 %pythoncode "_activex_ex.py"
1148
1149 //---------------------------------------------------------------------------