dlls/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 #include <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27
  28 #include "wine/debug.h"
  29
  30 #include "mshtml_private.h"
  31 #include "htmlevent.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  34
  35 typedef struct {
  36     HTMLElement element;
  37
  38     IHTMLSelectElement IHTMLSelectElement_iface;
  39
  40     nsIDOMHTMLSelectElement *nsselect;
  41 } HTMLSelectElement;
  42
  43 static inline HTMLSelectElement *impl_from_IHTMLSelectElement(IHTMLSelectElement *iface)
  44 {
  45     return CONTAINING_RECORD(iface, HTMLSelectElement, IHTMLSelectElement_iface);
  46 }
  47
  48 static HRESULT htmlselect_item(HTMLSelectElement *This, int i, IDispatch **ret)
  49 {
  50     nsIDOMHTMLOptionsCollection *nscol;
  51     nsIDOMNode *nsnode;
  52     nsresult nsres;
  53     HRESULT hres;
  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         hres = get_node(This->element.node.doc, nsnode, TRUE, &node);
  72         nsIDOMNode_Release(nsnode);
  73         if(FAILED(hres))
  74             return hres;
  75
  76         IHTMLDOMNode_AddRef(&node->IHTMLDOMNode_iface);
  77         *ret = (IDispatch*)&node->IHTMLDOMNode_iface;
  78     }else {
  79         *ret = NULL;
  80     }
  81     return S_OK;
  82 }
  83
  84 static HRESULT WINAPI HTMLSelectElement_QueryInterface(IHTMLSelectElement *iface,
  85                                                          REFIID riid, void **ppv)
  86 {
  87     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
  88
  89     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
  90 }
  91
  92 static ULONG WINAPI HTMLSelectElement_AddRef(IHTMLSelectElement *iface)
  93 {
  94     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
  95
  96     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
  97 }
  98
  99 static ULONG WINAPI HTMLSelectElement_Release(IHTMLSelectElement *iface)
 100 {
 101     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 102
 103     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
 104 }
 105
 106 static HRESULT WINAPI HTMLSelectElement_GetTypeInfoCount(IHTMLSelectElement *iface, UINT *pctinfo)
 107 {
 108     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 109
 110     return IDispatchEx_GetTypeInfoCount(&This->element.node.dispex.IDispatchEx_iface, pctinfo);
 111 }
 112
 113 static HRESULT WINAPI HTMLSelectElement_GetTypeInfo(IHTMLSelectElement *iface, UINT iTInfo,
 114                                               LCID lcid, ITypeInfo **ppTInfo)
 115 {
 116     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 117
 118     return IDispatchEx_GetTypeInfo(&This->element.node.dispex.IDispatchEx_iface, iTInfo, lcid,
 119             ppTInfo);
 120 }
 121
 122 static HRESULT WINAPI HTMLSelectElement_GetIDsOfNames(IHTMLSelectElement *iface, REFIID riid,
 123                                                 LPOLESTR *rgszNames, UINT cNames,
 124                                                 LCID lcid, DISPID *rgDispId)
 125 {
 126     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 127
 128     return IDispatchEx_GetIDsOfNames(&This->element.node.dispex.IDispatchEx_iface, riid, rgszNames,
 129             cNames, lcid, rgDispId);
 130 }
 131
 132 static HRESULT WINAPI HTMLSelectElement_Invoke(IHTMLSelectElement *iface, DISPID dispIdMember,
 133                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 134                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 135 {
 136     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 137
 138     return IDispatchEx_Invoke(&This->element.node.dispex.IDispatchEx_iface, dispIdMember, riid,
 139             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 140 }
 141
 142 static HRESULT WINAPI HTMLSelectElement_put_size(IHTMLSelectElement *iface, LONG v)
 143 {
 144     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 145     FIXME("(%p)->(%d)\n", This, v);
 146     return E_NOTIMPL;
 147 }
 148
 149 static HRESULT WINAPI HTMLSelectElement_get_size(IHTMLSelectElement *iface, LONG *p)
 150 {
 151     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 152     FIXME("(%p)->(%p)\n", This, p);
 153     return E_NOTIMPL;
 154 }
 155
 156 static HRESULT WINAPI HTMLSelectElement_put_multiple(IHTMLSelectElement *iface, VARIANT_BOOL v)
 157 {
 158     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 159     FIXME("(%p)->(%x)\n", This, v);
 160     return E_NOTIMPL;
 161 }
 162
 163 static HRESULT WINAPI HTMLSelectElement_get_multiple(IHTMLSelectElement *iface, VARIANT_BOOL *p)
 164 {
 165     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 166     FIXME("(%p)->(%p)\n", This, p);
 167     return E_NOTIMPL;
 168 }
 169
 170 static HRESULT WINAPI HTMLSelectElement_put_name(IHTMLSelectElement *iface, BSTR v)
 171 {
 172     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 173     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 174     return E_NOTIMPL;
 175 }
 176
 177 static HRESULT WINAPI HTMLSelectElement_get_name(IHTMLSelectElement *iface, BSTR *p)
 178 {
 179     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 180     nsAString name_str;
 181     const PRUnichar *name = NULL;
 182     nsresult nsres;
 183
 184     TRACE("(%p)->(%p)\n", This, p);
 185
 186     nsAString_Init(&name_str, NULL);
 187
 188     nsres = nsIDOMHTMLSelectElement_GetName(This->nsselect, &name_str);
 189     if(NS_SUCCEEDED(nsres)) {
 190         static const WCHAR wszGarbage[] = {'g','a','r','b','a','g','e',0};
 191
 192         nsAString_GetData(&name_str, &name);
 193
 194         /*
 195          * Native never returns empty string here. If an element has no name,
 196          * name of previous element or ramdom data is returned.
 197          */
 198         *p = SysAllocString(*name ? name : wszGarbage);
 199     }else {
 200         ERR("GetName failed: %08x\n", nsres);
 201     }
 202
 203     nsAString_Finish(&name_str);
 204
 205     TRACE("name=%s\n", debugstr_w(*p));
 206     return S_OK;
 207 }
 208
 209 static HRESULT WINAPI HTMLSelectElement_get_options(IHTMLSelectElement *iface, IDispatch **p)
 210 {
 211     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 212
 213     TRACE("(%p)->(%p)\n", This, p);
 214
 215     *p = (IDispatch*)&This->IHTMLSelectElement_iface;
 216     IDispatch_AddRef(*p);
 217     return S_OK;
 218 }
 219
 220 static HRESULT WINAPI HTMLSelectElement_put_onchange(IHTMLSelectElement *iface, VARIANT v)
 221 {
 222     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 223
 224     TRACE("(%p)->()\n", This);
 225
 226     return set_node_event(&This->element.node, EVENTID_CHANGE, &v);
 227 }
 228
 229 static HRESULT WINAPI HTMLSelectElement_get_onchange(IHTMLSelectElement *iface, VARIANT *p)
 230 {
 231     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 232     FIXME("(%p)->(%p)\n", This, p);
 233     return E_NOTIMPL;
 234 }
 235
 236 static HRESULT WINAPI HTMLSelectElement_put_selectedIndex(IHTMLSelectElement *iface, LONG v)
 237 {
 238     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 239     nsresult nsres;
 240
 241     TRACE("(%p)->(%d)\n", This, v);
 242
 243     nsres = nsIDOMHTMLSelectElement_SetSelectedIndex(This->nsselect, v);
 244     if(NS_FAILED(nsres))
 245         ERR("SetSelectedIndex failed: %08x\n", nsres);
 246
 247     return S_OK;
 248 }
 249
 250 static HRESULT WINAPI HTMLSelectElement_get_selectedIndex(IHTMLSelectElement *iface, LONG *p)
 251 {
 252     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 253     PRInt32 idx = 0;
 254     nsresult nsres;
 255
 256     TRACE("(%p)->(%p)\n", This, p);
 257
 258     nsres = nsIDOMHTMLSelectElement_GetSelectedIndex(This->nsselect, &idx);
 259     if(NS_FAILED(nsres))
 260         ERR("GetSelectedIndex failed: %08x\n", nsres);
 261
 262     *p = idx;
 263     return S_OK;
 264 }
 265
 266 static HRESULT WINAPI HTMLSelectElement_get_type(IHTMLSelectElement *iface, BSTR *p)
 267 {
 268     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 269     const PRUnichar *type;
 270     nsAString type_str;
 271     nsresult nsres;
 272     HRESULT hres = S_OK;
 273
 274     TRACE("(%p)->(%p)\n", This, p);
 275
 276     nsAString_Init(&type_str, NULL);
 277     nsres = nsIDOMHTMLSelectElement_GetType(This->nsselect, &type_str);
 278     if(NS_SUCCEEDED(nsres)) {
 279         nsAString_GetData(&type_str, &type);
 280         *p = *type ? SysAllocString(type) : NULL;
 281     }else {
 282         ERR("GetType failed: %08x\n", nsres);
 283         hres = E_FAIL;
 284     }
 285
 286     nsAString_Finish(&type_str);
 287
 288     return hres;
 289 }
 290
 291 static HRESULT WINAPI HTMLSelectElement_put_value(IHTMLSelectElement *iface, BSTR v)
 292 {
 293     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 294     nsAString value_str;
 295     nsresult nsres;
 296
 297     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 298
 299     nsAString_InitDepend(&value_str, v);
 300     nsres = nsIDOMHTMLSelectElement_SetValue(This->nsselect, &value_str);
 301     nsAString_Finish(&value_str);
 302     if(NS_FAILED(nsres))
 303         ERR("SetValue failed: %08x\n", nsres);
 304
 305     return S_OK;
 306 }
 307
 308 static HRESULT WINAPI HTMLSelectElement_get_value(IHTMLSelectElement *iface, BSTR *p)
 309 {
 310     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 311     nsAString value_str;
 312     const PRUnichar *value = NULL;
 313     nsresult nsres;
 314
 315     TRACE("(%p)->(%p)\n", This, p);
 316
 317     nsAString_Init(&value_str, NULL);
 318
 319     nsres = nsIDOMHTMLSelectElement_GetValue(This->nsselect, &value_str);
 320     if(NS_SUCCEEDED(nsres)) {
 321         nsAString_GetData(&value_str, &value);
 322         *p = *value ? SysAllocString(value) : NULL;
 323     }else {
 324         ERR("GetValue failed: %08x\n", nsres);
 325     }
 326
 327     nsAString_Finish(&value_str);
 328
 329     TRACE("value=%s\n", debugstr_w(*p));
 330     return S_OK;
 331 }
 332
 333 static HRESULT WINAPI HTMLSelectElement_put_disabled(IHTMLSelectElement *iface, VARIANT_BOOL v)
 334 {
 335     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 336     nsresult nsres;
 337
 338     TRACE("(%p)->(%x)\n", This, v);
 339
 340     nsres = nsIDOMHTMLSelectElement_SetDisabled(This->nsselect, v != VARIANT_FALSE);
 341     if(NS_FAILED(nsres)) {
 342         ERR("SetDisabled failed: %08x\n", nsres);
 343         return E_FAIL;
 344     }
 345
 346     return S_OK;
 347 }
 348
 349 static HRESULT WINAPI HTMLSelectElement_get_disabled(IHTMLSelectElement *iface, VARIANT_BOOL *p)
 350 {
 351     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 352     PRBool disabled = FALSE;
 353     nsresult nsres;
 354
 355     TRACE("(%p)->(%p)\n", This, p);
 356
 357     nsres = nsIDOMHTMLSelectElement_GetDisabled(This->nsselect, &disabled);
 358     if(NS_FAILED(nsres)) {
 359         ERR("GetDisabled failed: %08x\n", nsres);
 360         return E_FAIL;
 361     }
 362
 363     *p = disabled ? VARIANT_TRUE : VARIANT_FALSE;
 364     return S_OK;
 365 }
 366
 367 static HRESULT WINAPI HTMLSelectElement_get_form(IHTMLSelectElement *iface, IHTMLFormElement **p)
 368 {
 369     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 370     FIXME("(%p)->(%p)\n", This, p);
 371     return E_NOTIMPL;
 372 }
 373
 374 static HRESULT WINAPI HTMLSelectElement_add(IHTMLSelectElement *iface, IHTMLElement *element,
 375                                             VARIANT before)
 376 {
 377     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 378     IHTMLDOMNode *node, *tmp;
 379     HRESULT hres;
 380
 381     FIXME("(%p)->(%p %s): semi-stub\n", This, element, debugstr_variant(&before));
 382
 383     if(V_VT(&before) != VT_EMPTY) {
 384         FIXME("unhandled before %s\n", debugstr_variant(&before));
 385         return E_NOTIMPL;
 386     }
 387
 388     hres = IHTMLElement_QueryInterface(element, &IID_IHTMLDOMNode, (void**)&node);
 389     if(FAILED(hres))
 390         return hres;
 391
 392     hres = IHTMLDOMNode_appendChild(&This->element.node.IHTMLDOMNode_iface, node, &tmp);
 393     IHTMLDOMNode_Release(node);
 394     if(SUCCEEDED(hres) && tmp)
 395         IHTMLDOMNode_Release(tmp);
 396
 397     return hres;
 398 }
 399
 400 static HRESULT WINAPI HTMLSelectElement_remove(IHTMLSelectElement *iface, LONG index)
 401 {
 402     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 403     FIXME("(%p)->(%d)\n", This, index);
 404     return E_NOTIMPL;
 405 }
 406
 407 static HRESULT WINAPI HTMLSelectElement_put_length(IHTMLSelectElement *iface, LONG v)
 408 {
 409     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 410     nsresult nsres;
 411
 412     TRACE("(%p)->(%d)\n", This, v);
 413
 414     nsres = nsIDOMHTMLSelectElement_SetLength(This->nsselect, v);
 415     if(NS_FAILED(nsres))
 416         ERR("SetLength failed: %08x\n", nsres);
 417
 418     return S_OK;
 419 }
 420
 421 static HRESULT WINAPI HTMLSelectElement_get_length(IHTMLSelectElement *iface, LONG *p)
 422 {
 423     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 424     PRUint32 length = 0;
 425     nsresult nsres;
 426
 427     TRACE("(%p)->(%p)\n", This, p);
 428
 429     nsres = nsIDOMHTMLSelectElement_GetLength(This->nsselect, &length);
 430     if(NS_FAILED(nsres))
 431         ERR("GetLength failed: %08x\n", nsres);
 432
 433     *p = length;
 434
 435     TRACE("ret %d\n", *p);
 436     return S_OK;
 437 }
 438
 439 static HRESULT WINAPI HTMLSelectElement_get__newEnum(IHTMLSelectElement *iface, IUnknown **p)
 440 {
 441     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 442     FIXME("(%p)->(%p)\n", This, p);
 443     return E_NOTIMPL;
 444 }
 445
 446 static HRESULT WINAPI HTMLSelectElement_item(IHTMLSelectElement *iface, VARIANT name,
 447                                              VARIANT index, IDispatch **pdisp)
 448 {
 449     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 450
 451     TRACE("(%p)->(%s %s %p)\n", This, debugstr_variant(&name), debugstr_variant(&index), pdisp);
 452
 453     if(!pdisp)
 454         return E_POINTER;
 455     *pdisp = NULL;
 456
 457     if(V_VT(&name) == VT_I4) {
 458         if(V_I4(&name) < 0)
 459             return E_INVALIDARG;
 460         return htmlselect_item(This, V_I4(&name), pdisp);
 461     }
 462
 463     FIXME("Unsupported args\n");
 464     return E_NOTIMPL;
 465 }
 466
 467 static HRESULT WINAPI HTMLSelectElement_tags(IHTMLSelectElement *iface, VARIANT tagName,
 468                                              IDispatch **pdisp)
 469 {
 470     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 471     FIXME("(%p)->(v %p)\n", This, pdisp);
 472     return E_NOTIMPL;
 473 }
 474
 475 static const IHTMLSelectElementVtbl HTMLSelectElementVtbl = {
 476     HTMLSelectElement_QueryInterface,
 477     HTMLSelectElement_AddRef,
 478     HTMLSelectElement_Release,
 479     HTMLSelectElement_GetTypeInfoCount,
 480     HTMLSelectElement_GetTypeInfo,
 481     HTMLSelectElement_GetIDsOfNames,
 482     HTMLSelectElement_Invoke,
 483     HTMLSelectElement_put_size,
 484     HTMLSelectElement_get_size,
 485     HTMLSelectElement_put_multiple,
 486     HTMLSelectElement_get_multiple,
 487     HTMLSelectElement_put_name,
 488     HTMLSelectElement_get_name,
 489     HTMLSelectElement_get_options,
 490     HTMLSelectElement_put_onchange,
 491     HTMLSelectElement_get_onchange,
 492     HTMLSelectElement_put_selectedIndex,
 493     HTMLSelectElement_get_selectedIndex,
 494     HTMLSelectElement_get_type,
 495     HTMLSelectElement_put_value,
 496     HTMLSelectElement_get_value,
 497     HTMLSelectElement_put_disabled,
 498     HTMLSelectElement_get_disabled,
 499     HTMLSelectElement_get_form,
 500     HTMLSelectElement_add,
 501     HTMLSelectElement_remove,
 502     HTMLSelectElement_put_length,
 503     HTMLSelectElement_get_length,
 504     HTMLSelectElement_get__newEnum,
 505     HTMLSelectElement_item,
 506     HTMLSelectElement_tags
 507 };
 508
 509 static inline HTMLSelectElement *impl_from_HTMLDOMNode(HTMLDOMNode *iface)
 510 {
 511     return CONTAINING_RECORD(iface, HTMLSelectElement, element.node);
 512 }
 513
 514 static HRESULT HTMLSelectElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
 515 {
 516     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 517
 518     *ppv = NULL;
 519
 520     if(IsEqualGUID(&IID_IUnknown, riid)) {
 521         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 522         *ppv = &This->IHTMLSelectElement_iface;
 523     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 524         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 525         *ppv = &This->IHTMLSelectElement_iface;
 526     }else if(IsEqualGUID(&IID_IHTMLSelectElement, riid)) {
 527         TRACE("(%p)->(IID_IHTMLSelectElement %p)\n", This, ppv);
 528         *ppv = &This->IHTMLSelectElement_iface;
 529     }
 530
 531     if(*ppv) {
 532         IUnknown_AddRef((IUnknown*)*ppv);
 533         return S_OK;
 534     }
 535
 536     return HTMLElement_QI(&This->element.node, riid, ppv);
 537 }
 538
 539 static void HTMLSelectElement_destructor(HTMLDOMNode *iface)
 540 {
 541     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 542
 543     nsIDOMHTMLSelectElement_Release(This->nsselect);
 544
 545     HTMLElement_destructor(&This->element.node);
 546 }
 547
 548 static HRESULT HTMLSelectElementImpl_put_disabled(HTMLDOMNode *iface, VARIANT_BOOL v)
 549 {
 550     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 551     return IHTMLSelectElement_put_disabled(&This->IHTMLSelectElement_iface, v);
 552 }
 553
 554 static HRESULT HTMLSelectElementImpl_get_disabled(HTMLDOMNode *iface, VARIANT_BOOL *p)
 555 {
 556     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 557     return IHTMLSelectElement_get_disabled(&This->IHTMLSelectElement_iface, p);
 558 }
 559
 560 #define DISPID_OPTIONCOL_0 MSHTML_DISPID_CUSTOM_MIN
 561
 562 static HRESULT HTMLSelectElement_get_dispid(HTMLDOMNode *iface, BSTR name, DWORD flags, DISPID *dispid)
 563 {
 564     const WCHAR *ptr;
 565     DWORD idx = 0;
 566
 567     for(ptr = name; *ptr && isdigitW(*ptr); ptr++) {
 568         idx = idx*10 + (*ptr-'0');
 569         if(idx > MSHTML_CUSTOM_DISPID_CNT) {
 570             WARN("too big idx\n");
 571             return DISP_E_UNKNOWNNAME;
 572         }
 573     }
 574     if(*ptr)
 575         return DISP_E_UNKNOWNNAME;
 576
 577     *dispid = DISPID_OPTIONCOL_0 + idx;
 578     return S_OK;
 579 }
 580
 581 static HRESULT HTMLSelectElement_invoke(HTMLDOMNode *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
 582         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 583 {
 584     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 585
 586     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, flags, params, res, ei, caller);
 587
 588     switch(flags) {
 589     case DISPATCH_PROPERTYGET: {
 590         IDispatch *ret;
 591         HRESULT hres;
 592
 593         hres = htmlselect_item(This, id-DISPID_OPTIONCOL_0, &ret);
 594         if(FAILED(hres))
 595             return hres;
 596
 597         if(ret) {
 598             V_VT(res) = VT_DISPATCH;
 599             V_DISPATCH(res) = ret;
 600         }else {
 601             V_VT(res) = VT_NULL;
 602         }
 603         break;
 604     }
 605
 606     default:
 607         FIXME("unimplemented flags %x\n", flags);
 608         return E_NOTIMPL;
 609     }
 610
 611     return S_OK;
 612 }
 613
 614 static const NodeImplVtbl HTMLSelectElementImplVtbl = {
 615     HTMLSelectElement_QI,
 616     HTMLSelectElement_destructor,
 617     HTMLElement_clone,
 618     HTMLElement_get_attr_col,
 619     NULL,
 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 HRESULT HTMLSelectElement_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem, HTMLElement **elem)
 644 {
 645     HTMLSelectElement *ret;
 646     nsresult nsres;
 647
 648     ret = heap_alloc_zero(sizeof(HTMLSelectElement));
 649     if(!ret)
 650         return E_OUTOFMEMORY;
 651
 652     ret->IHTMLSelectElement_iface.lpVtbl = &HTMLSelectElementVtbl;
 653     ret->element.node.vtbl = &HTMLSelectElementImplVtbl;
 654
 655     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLSelectElement,
 656                                              (void**)&ret->nsselect);
 657     if(NS_FAILED(nsres)) {
 658         ERR("Could not get nsIDOMHTMLSelectElement interfce: %08x\n", nsres);
 659         heap_free(ret);
 660         return E_FAIL;
 661     }
 662
 663     HTMLElement_Init(&ret->element, doc, nselem, &HTMLSelectElement_dispex);
 664
 665     *elem = &ret->element;
 666     return S_OK;
 667 }