reactos/dll/win32/mshtml/htmlselect.c

   1 /*
   2  * Copyright 2006 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #define WIN32_NO_STATUS
  20 #define _INC_WINDOWS
  21 #define COM_NO_WINDOWS_H
  22
  23 #include <stdarg.h>
  24
  25 #define COBJMACROS
  26
  27 #include <windef.h>
  28 #include <winbase.h>
  29 //#include "winuser.h"
  30 #include <ole2.h>
  31
  32 #include <wine/debug.h>
  33
  34 #include "mshtml_private.h"
  35 #include "htmlevent.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  38
  39 typedef struct {
  40     HTMLElement element;
  41
  42     const IHTMLSelectElementVtbl *lpHTMLSelectElementVtbl;
  43
  44     nsIDOMHTMLSelectElement *nsselect;
  45 } HTMLSelectElement;
  46
  47 #define HTMLSELECT(x)      ((IHTMLSelectElement*)         &(x)->lpHTMLSelectElementVtbl)
  48
  49 static HRESULT htmlselect_item(HTMLSelectElement *This, int i, IDispatch **ret)
  50 {
  51     nsIDOMHTMLOptionsCollection *nscol;
  52     nsIDOMNode *nsnode;
  53     nsresult nsres;
  54
  55     nsres = nsIDOMHTMLSelectElement_GetOptions(This->nsselect, &nscol);
  56     if(NS_FAILED(nsres)) {
  57         ERR("GetOptions failed: %08x\n", nsres);
  58         return E_FAIL;
  59     }
  60
  61     nsres = nsIDOMHTMLOptionsCollection_Item(nscol, i, &nsnode);
  62     nsIDOMHTMLOptionsCollection_Release(nscol);
  63     if(NS_FAILED(nsres)) {
  64         ERR("Item failed: %08x\n", nsres);
  65         return E_FAIL;
  66     }
  67
  68     if(nsnode) {
  69         HTMLDOMNode *node;
  70
  71         node = get_node(This->element.node.doc, nsnode, TRUE);
  72         nsIDOMNode_Release(nsnode);
  73         if(!node) {
  74             ERR("Could not find node\n");
  75             return E_FAIL;
  76         }
  77
  78         IHTMLDOMNode_AddRef(HTMLDOMNODE(node));
  79         *ret = (IDispatch*)HTMLDOMNODE(node);
  80     }else {
  81         *ret = NULL;
  82     }
  83     return S_OK;
  84 }
  85
  86 #define HTMLSELECT_THIS(iface) DEFINE_THIS(HTMLSelectElement, HTMLSelectElement, iface)
  87
  88 static HRESULT WINAPI HTMLSelectElement_QueryInterface(IHTMLSelectElement *iface,
  89                                                          REFIID riid, void **ppv)
  90 {
  91     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
  92
  93     return IHTMLDOMNode_QueryInterface(HTMLDOMNODE(&This->element.node), riid, ppv);
  94 }
  95
  96 static ULONG WINAPI HTMLSelectElement_AddRef(IHTMLSelectElement *iface)
  97 {
  98     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
  99
 100     return IHTMLDOMNode_AddRef(HTMLDOMNODE(&This->element.node));
 101 }
 102
 103 static ULONG WINAPI HTMLSelectElement_Release(IHTMLSelectElement *iface)
 104 {
 105     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 106
 107     return IHTMLDOMNode_Release(HTMLDOMNODE(&This->element.node));
 108 }
 109
 110 static HRESULT WINAPI HTMLSelectElement_GetTypeInfoCount(IHTMLSelectElement *iface, UINT *pctinfo)
 111 {
 112     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 113
 114     return IDispatchEx_GetTypeInfoCount(DISPATCHEX(&This->element.node.dispex), pctinfo);
 115 }
 116
 117 static HRESULT WINAPI HTMLSelectElement_GetTypeInfo(IHTMLSelectElement *iface, UINT iTInfo,
 118                                               LCID lcid, ITypeInfo **ppTInfo)
 119 {
 120     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 121
 122     return IDispatchEx_GetTypeInfo(DISPATCHEX(&This->element.node.dispex), iTInfo, lcid, ppTInfo);
 123 }
 124
 125 static HRESULT WINAPI HTMLSelectElement_GetIDsOfNames(IHTMLSelectElement *iface, REFIID riid,
 126                                                 LPOLESTR *rgszNames, UINT cNames,
 127                                                 LCID lcid, DISPID *rgDispId)
 128 {
 129     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 130
 131     return IDispatchEx_GetIDsOfNames(DISPATCHEX(&This->element.node.dispex), riid, rgszNames, cNames, lcid, rgDispId);
 132 }
 133
 134 static HRESULT WINAPI HTMLSelectElement_Invoke(IHTMLSelectElement *iface, DISPID dispIdMember,
 135                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 136                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 137 {
 138     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 139
 140     return IDispatchEx_Invoke(DISPATCHEX(&This->element.node.dispex), dispIdMember, riid, lcid,
 141             wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 142 }
 143
 144 static HRESULT WINAPI HTMLSelectElement_put_size(IHTMLSelectElement *iface, LONG v)
 145 {
 146     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 147     FIXME("(%p)->(%d)\n", This, v);
 148     return E_NOTIMPL;
 149 }
 150
 151 static HRESULT WINAPI HTMLSelectElement_get_size(IHTMLSelectElement *iface, LONG *p)
 152 {
 153     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 154     FIXME("(%p)->(%p)\n", This, p);
 155     return E_NOTIMPL;
 156 }
 157
 158 static HRESULT WINAPI HTMLSelectElement_put_multiple(IHTMLSelectElement *iface, VARIANT_BOOL v)
 159 {
 160     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 161     FIXME("(%p)->(%x)\n", This, v);
 162     return E_NOTIMPL;
 163 }
 164
 165 static HRESULT WINAPI HTMLSelectElement_get_multiple(IHTMLSelectElement *iface, VARIANT_BOOL *p)
 166 {
 167     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 168     FIXME("(%p)->(%p)\n", This, p);
 169     return E_NOTIMPL;
 170 }
 171
 172 static HRESULT WINAPI HTMLSelectElement_put_name(IHTMLSelectElement *iface, BSTR v)
 173 {
 174     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 175     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 176     return E_NOTIMPL;
 177 }
 178
 179 static HRESULT WINAPI HTMLSelectElement_get_name(IHTMLSelectElement *iface, BSTR *p)
 180 {
 181     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 182     nsAString name_str;
 183     const PRUnichar *name = NULL;
 184     nsresult nsres;
 185
 186     TRACE("(%p)->(%p)\n", This, p);
 187
 188     nsAString_Init(&name_str, NULL);
 189
 190     nsres = nsIDOMHTMLSelectElement_GetName(This->nsselect, &name_str);
 191     if(NS_SUCCEEDED(nsres)) {
 192         static const WCHAR wszGarbage[] = {'g','a','r','b','a','g','e',0};
 193
 194         nsAString_GetData(&name_str, &name);
 195
 196         /*
 197          * Native never returns empty string here. If an element has no name,
 198          * name of previous element or ramdom data is returned.
 199          */
 200         *p = SysAllocString(*name ? name : wszGarbage);
 201     }else {
 202         ERR("GetName failed: %08x\n", nsres);
 203     }
 204
 205     nsAString_Finish(&name_str);
 206
 207     TRACE("name=%s\n", debugstr_w(*p));
 208     return S_OK;
 209 }
 210
 211 static HRESULT WINAPI HTMLSelectElement_get_options(IHTMLSelectElement *iface, IDispatch **p)
 212 {
 213     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 214
 215     TRACE("(%p)->(%p)\n", This, p);
 216
 217     *p = (IDispatch*)HTMLSELECT(This);
 218     IDispatch_AddRef(*p);
 219     return S_OK;
 220 }
 221
 222 static HRESULT WINAPI HTMLSelectElement_put_onchange(IHTMLSelectElement *iface, VARIANT v)
 223 {
 224     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 225
 226     TRACE("(%p)->()\n", This);
 227
 228     return set_node_event(&This->element.node, EVENTID_CHANGE, &v);
 229 }
 230
 231 static HRESULT WINAPI HTMLSelectElement_get_onchange(IHTMLSelectElement *iface, VARIANT *p)
 232 {
 233     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 234     FIXME("(%p)->(%p)\n", This, p);
 235     return E_NOTIMPL;
 236 }
 237
 238 static HRESULT WINAPI HTMLSelectElement_put_selectedIndex(IHTMLSelectElement *iface, LONG v)
 239 {
 240     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 241     nsresult nsres;
 242
 243     TRACE("(%p)->(%d)\n", This, v);
 244
 245     nsres = nsIDOMHTMLSelectElement_SetSelectedIndex(This->nsselect, v);
 246     if(NS_FAILED(nsres))
 247         ERR("SetSelectedIndex failed: %08x\n", nsres);
 248
 249     return S_OK;
 250 }
 251
 252 static HRESULT WINAPI HTMLSelectElement_get_selectedIndex(IHTMLSelectElement *iface, LONG *p)
 253 {
 254     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 255     PRInt32 idx = 0;
 256     nsresult nsres;
 257
 258     TRACE("(%p)->(%p)\n", This, p);
 259
 260     nsres = nsIDOMHTMLSelectElement_GetSelectedIndex(This->nsselect, &idx);
 261     if(NS_FAILED(nsres))
 262         ERR("GetSelectedIndex failed: %08x\n", nsres);
 263
 264     *p = idx;
 265     return S_OK;
 266 }
 267
 268 static HRESULT WINAPI HTMLSelectElement_get_type(IHTMLSelectElement *iface, BSTR *p)
 269 {
 270     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 271     const PRUnichar *type;
 272     nsAString type_str;
 273     nsresult nsres;
 274     HRESULT hres = S_OK;
 275
 276     TRACE("(%p)->(%p)\n", This, p);
 277
 278     nsAString_Init(&type_str, NULL);
 279     nsres = nsIDOMHTMLSelectElement_GetType(This->nsselect, &type_str);
 280     if(NS_SUCCEEDED(nsres)) {
 281         nsAString_GetData(&type_str, &type);
 282         *p = *type ? SysAllocString(type) : NULL;
 283     }else {
 284         ERR("GetType failed: %08x\n", nsres);
 285         hres = E_FAIL;
 286     }
 287
 288     nsAString_Finish(&type_str);
 289
 290     return hres;
 291 }
 292
 293 static HRESULT WINAPI HTMLSelectElement_put_value(IHTMLSelectElement *iface, BSTR v)
 294 {
 295     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 296     nsAString value_str;
 297     nsresult nsres;
 298
 299     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 300
 301     nsAString_InitDepend(&value_str, v);
 302     nsres = nsIDOMHTMLSelectElement_SetValue(This->nsselect, &value_str);
 303     nsAString_Finish(&value_str);
 304     if(NS_FAILED(nsres))
 305         ERR("SetValue failed: %08x\n", nsres);
 306
 307     return S_OK;
 308 }
 309
 310 static HRESULT WINAPI HTMLSelectElement_get_value(IHTMLSelectElement *iface, BSTR *p)
 311 {
 312     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 313     nsAString value_str;
 314     const PRUnichar *value = NULL;
 315     nsresult nsres;
 316
 317     TRACE("(%p)->(%p)\n", This, p);
 318
 319     nsAString_Init(&value_str, NULL);
 320
 321     nsres = nsIDOMHTMLSelectElement_GetValue(This->nsselect, &value_str);
 322     if(NS_SUCCEEDED(nsres)) {
 323         nsAString_GetData(&value_str, &value);
 324         *p = *value ? SysAllocString(value) : NULL;
 325     }else {
 326         ERR("GetValue failed: %08x\n", nsres);
 327     }
 328
 329     nsAString_Finish(&value_str);
 330
 331     TRACE("value=%s\n", debugstr_w(*p));
 332     return S_OK;
 333 }
 334
 335 static HRESULT WINAPI HTMLSelectElement_put_disabled(IHTMLSelectElement *iface, VARIANT_BOOL v)
 336 {
 337     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 338     nsresult nsres;
 339
 340     TRACE("(%p)->(%x)\n", This, v);
 341
 342     nsres = nsIDOMHTMLSelectElement_SetDisabled(This->nsselect, v != VARIANT_FALSE);
 343     if(NS_FAILED(nsres)) {
 344         ERR("SetDisabled failed: %08x\n", nsres);
 345         return E_FAIL;
 346     }
 347
 348     return S_OK;
 349 }
 350
 351 static HRESULT WINAPI HTMLSelectElement_get_disabled(IHTMLSelectElement *iface, VARIANT_BOOL *p)
 352 {
 353     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 354     PRBool disabled = FALSE;
 355     nsresult nsres;
 356
 357     TRACE("(%p)->(%p)\n", This, p);
 358
 359     nsres = nsIDOMHTMLSelectElement_GetDisabled(This->nsselect, &disabled);
 360     if(NS_FAILED(nsres)) {
 361         ERR("GetDisabled failed: %08x\n", nsres);
 362         return E_FAIL;
 363     }
 364
 365     *p = disabled ? VARIANT_TRUE : VARIANT_FALSE;
 366     return S_OK;
 367 }
 368
 369 static HRESULT WINAPI HTMLSelectElement_get_form(IHTMLSelectElement *iface, IHTMLFormElement **p)
 370 {
 371     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 372     FIXME("(%p)->(%p)\n", This, p);
 373     return E_NOTIMPL;
 374 }
 375
 376 static HRESULT WINAPI HTMLSelectElement_add(IHTMLSelectElement *iface, IHTMLElement *element,
 377                                             VARIANT before)
 378 {
 379     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 380     IHTMLDOMNode *node, *tmp;
 381     HRESULT hres;
 382
 383     FIXME("(%p)->(%p %s): semi-stub\n", This, element, debugstr_variant(&before));
 384
 385     if(V_VT(&before) != VT_EMPTY) {
 386         FIXME("unhandled before %s\n", debugstr_variant(&before));
 387         return E_NOTIMPL;
 388     }
 389
 390     hres = IHTMLElement_QueryInterface(element, &IID_IHTMLDOMNode, (void**)&node);
 391     if(FAILED(hres))
 392         return hres;
 393
 394     hres = IHTMLDOMNode_appendChild(HTMLDOMNODE(&This->element.node), node, &tmp);
 395     IHTMLDOMNode_Release(node);
 396     if(SUCCEEDED(hres) && tmp)
 397         IHTMLDOMNode_Release(tmp);
 398
 399     return hres;
 400 }
 401
 402 static HRESULT WINAPI HTMLSelectElement_remove(IHTMLSelectElement *iface, LONG index)
 403 {
 404     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 405     FIXME("(%p)->(%d)\n", This, index);
 406     return E_NOTIMPL;
 407 }
 408
 409 static HRESULT WINAPI HTMLSelectElement_put_length(IHTMLSelectElement *iface, LONG v)
 410 {
 411     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 412     nsresult nsres;
 413
 414     TRACE("(%p)->(%d)\n", This, v);
 415
 416     nsres = nsIDOMHTMLSelectElement_SetLength(This->nsselect, v);
 417     if(NS_FAILED(nsres))
 418         ERR("SetLength failed: %08x\n", nsres);
 419
 420     return S_OK;
 421 }
 422
 423 static HRESULT WINAPI HTMLSelectElement_get_length(IHTMLSelectElement *iface, LONG *p)
 424 {
 425     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 426     PRUint32 length = 0;
 427     nsresult nsres;
 428
 429     TRACE("(%p)->(%p)\n", This, p);
 430
 431     nsres = nsIDOMHTMLSelectElement_GetLength(This->nsselect, &length);
 432     if(NS_FAILED(nsres))
 433         ERR("GetLength failed: %08x\n", nsres);
 434
 435     *p = length;
 436
 437     TRACE("ret %d\n", *p);
 438     return S_OK;
 439 }
 440
 441 static HRESULT WINAPI HTMLSelectElement_get__newEnum(IHTMLSelectElement *iface, IUnknown **p)
 442 {
 443     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 444     FIXME("(%p)->(%p)\n", This, p);
 445     return E_NOTIMPL;
 446 }
 447
 448 static HRESULT WINAPI HTMLSelectElement_item(IHTMLSelectElement *iface, VARIANT name,
 449                                              VARIANT index, IDispatch **pdisp)
 450 {
 451     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 452
 453     TRACE("(%p)->(%s %s %p)\n", This, debugstr_variant(&name), debugstr_variant(&index), pdisp);
 454
 455     if(!pdisp)
 456         return E_POINTER;
 457     *pdisp = NULL;
 458
 459     if(V_VT(&name) == VT_I4) {
 460         if(V_I4(&name) < 0)
 461             return E_INVALIDARG;
 462         return htmlselect_item(This, V_I4(&name), pdisp);
 463     }
 464
 465     FIXME("Unsupported args\n");
 466     return E_NOTIMPL;
 467 }
 468
 469 static HRESULT WINAPI HTMLSelectElement_tags(IHTMLSelectElement *iface, VARIANT tagName,
 470                                              IDispatch **pdisp)
 471 {
 472     HTMLSelectElement *This = HTMLSELECT_THIS(iface);
 473     FIXME("(%p)->(v %p)\n", This, pdisp);
 474     return E_NOTIMPL;
 475 }
 476
 477 #undef HTMLSELECT_THIS
 478
 479 static const IHTMLSelectElementVtbl HTMLSelectElementVtbl = {
 480     HTMLSelectElement_QueryInterface,
 481     HTMLSelectElement_AddRef,
 482     HTMLSelectElement_Release,
 483     HTMLSelectElement_GetTypeInfoCount,
 484     HTMLSelectElement_GetTypeInfo,
 485     HTMLSelectElement_GetIDsOfNames,
 486     HTMLSelectElement_Invoke,
 487     HTMLSelectElement_put_size,
 488     HTMLSelectElement_get_size,
 489     HTMLSelectElement_put_multiple,
 490     HTMLSelectElement_get_multiple,
 491     HTMLSelectElement_put_name,
 492     HTMLSelectElement_get_name,
 493     HTMLSelectElement_get_options,
 494     HTMLSelectElement_put_onchange,
 495     HTMLSelectElement_get_onchange,
 496     HTMLSelectElement_put_selectedIndex,
 497     HTMLSelectElement_get_selectedIndex,
 498     HTMLSelectElement_get_type,
 499     HTMLSelectElement_put_value,
 500     HTMLSelectElement_get_value,
 501     HTMLSelectElement_put_disabled,
 502     HTMLSelectElement_get_disabled,
 503     HTMLSelectElement_get_form,
 504     HTMLSelectElement_add,
 505     HTMLSelectElement_remove,
 506     HTMLSelectElement_put_length,
 507     HTMLSelectElement_get_length,
 508     HTMLSelectElement_get__newEnum,
 509     HTMLSelectElement_item,
 510     HTMLSelectElement_tags
 511 };
 512
 513 #define HTMLSELECT_NODE_THIS(iface) DEFINE_THIS2(HTMLSelectElement, element.node, iface)
 514
 515 static HRESULT HTMLSelectElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
 516 {
 517     HTMLSelectElement *This = HTMLSELECT_NODE_THIS(iface);
 518
 519     *ppv = NULL;
 520
 521     if(IsEqualGUID(&IID_IUnknown, riid)) {
 522         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 523         *ppv = HTMLSELECT(This);
 524     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 525         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 526         *ppv = HTMLSELECT(This);
 527     }else if(IsEqualGUID(&IID_IHTMLSelectElement, riid)) {
 528         TRACE("(%p)->(IID_IHTMLSelectElement %p)\n", This, ppv);
 529         *ppv = HTMLSELECT(This);
 530     }
 531
 532     if(*ppv) {
 533         IUnknown_AddRef((IUnknown*)*ppv);
 534         return S_OK;
 535     }
 536
 537     return HTMLElement_QI(&This->element.node, riid, ppv);
 538 }
 539
 540 static void HTMLSelectElement_destructor(HTMLDOMNode *iface)
 541 {
 542     HTMLSelectElement *This = HTMLSELECT_NODE_THIS(iface);
 543
 544     nsIDOMHTMLSelectElement_Release(This->nsselect);
 545
 546     HTMLElement_destructor(&This->element.node);
 547 }
 548
 549 static HRESULT HTMLSelectElementImpl_put_disabled(HTMLDOMNode *iface, VARIANT_BOOL v)
 550 {
 551     HTMLSelectElement *This = HTMLSELECT_NODE_THIS(iface);
 552     return IHTMLSelectElement_put_disabled(HTMLSELECT(This), v);
 553 }
 554
 555 static HRESULT HTMLSelectElementImpl_get_disabled(HTMLDOMNode *iface, VARIANT_BOOL *p)
 556 {
 557     HTMLSelectElement *This = HTMLSELECT_NODE_THIS(iface);
 558     return IHTMLSelectElement_get_disabled(HTMLSELECT(This), p);
 559 }
 560
 561 #define DISPID_OPTIONCOL_0 MSHTML_DISPID_CUSTOM_MIN
 562
 563 static HRESULT HTMLSelectElement_get_dispid(HTMLDOMNode *iface, BSTR name, DWORD flags, DISPID *dispid)
 564 {
 565     const WCHAR *ptr;
 566     DWORD idx = 0;
 567
 568     for(ptr = name; *ptr && isdigitW(*ptr); ptr++) {
 569         idx = idx*10 + (*ptr-'0');
 570         if(idx > MSHTML_CUSTOM_DISPID_CNT) {
 571             WARN("too big idx\n");
 572             return DISP_E_UNKNOWNNAME;
 573         }
 574     }
 575     if(*ptr)
 576         return DISP_E_UNKNOWNNAME;
 577
 578     *dispid = DISPID_OPTIONCOL_0 + idx;
 579     return S_OK;
 580 }
 581
 582 static HRESULT HTMLSelectElement_invoke(HTMLDOMNode *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
 583         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 584 {
 585     HTMLSelectElement *This = HTMLSELECT_NODE_THIS(iface);
 586
 587     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, flags, params, res, ei, caller);
 588
 589     switch(flags) {
 590     case DISPATCH_PROPERTYGET: {
 591         IDispatch *ret;
 592         HRESULT hres;
 593
 594         hres = htmlselect_item(This, id-DISPID_OPTIONCOL_0, &ret);
 595         if(FAILED(hres))
 596             return hres;
 597
 598         if(ret) {
 599             V_VT(res) = VT_DISPATCH;
 600             V_DISPATCH(res) = ret;
 601         }else {
 602             V_VT(res) = VT_NULL;
 603         }
 604         break;
 605     }
 606
 607     default:
 608         FIXME("unimplemented flags %x\n", flags);
 609         return E_NOTIMPL;
 610     }
 611
 612     return S_OK;
 613 }
 614
 615 #undef HTMLSELECT_NODE_THIS
 616
 617 static const NodeImplVtbl HTMLSelectElementImplVtbl = {
 618     HTMLSelectElement_QI,
 619     HTMLSelectElement_destructor,
 620     NULL,
 621     NULL,
 622     HTMLSelectElementImpl_put_disabled,
 623     HTMLSelectElementImpl_get_disabled,
 624     NULL,
 625     NULL,
 626     HTMLSelectElement_get_dispid,
 627     HTMLSelectElement_invoke
 628 };
 629
 630 static const tid_t HTMLSelectElement_tids[] = {
 631     HTMLELEMENT_TIDS,
 632     IHTMLSelectElement_tid,
 633     0
 634 };
 635
 636 static dispex_static_data_t HTMLSelectElement_dispex = {
 637     NULL,
 638     DispHTMLSelectElement_tid,
 639     NULL,
 640     HTMLSelectElement_tids
 641 };
 642
 643 HTMLElement *HTMLSelectElement_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem)
 644 {
 645     HTMLSelectElement *ret = heap_alloc_zero(sizeof(HTMLSelectElement));
 646     nsresult nsres;
 647
 648     ret->lpHTMLSelectElementVtbl = &HTMLSelectElementVtbl;
 649     ret->element.node.vtbl = &HTMLSelectElementImplVtbl;
 650
 651     HTMLElement_Init(&ret->element, doc, nselem, &HTMLSelectElement_dispex);
 652
 653     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLSelectElement,
 654                                              (void**)&ret->nsselect);
 655     if(NS_FAILED(nsres))
 656         ERR("Could not get nsIDOMHTMLSelectElement interfce: %08x\n", nsres);
 657
 658     return &ret->element;
 659 }