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     nsAString type_str;
 270     nsresult nsres;
 271
 272     TRACE("(%p)->(%p)\n", This, p);
 273
 274     nsAString_Init(&type_str, NULL);
 275     nsres = nsIDOMHTMLSelectElement_GetType(This->nsselect, &type_str);
 276     return return_nsstr(nsres, &type_str, p);
 277 }
 278
 279 static HRESULT WINAPI HTMLSelectElement_put_value(IHTMLSelectElement *iface, BSTR v)
 280 {
 281     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 282     nsAString value_str;
 283     nsresult nsres;
 284
 285     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 286
 287     nsAString_InitDepend(&value_str, v);
 288     nsres = nsIDOMHTMLSelectElement_SetValue(This->nsselect, &value_str);
 289     nsAString_Finish(&value_str);
 290     if(NS_FAILED(nsres))
 291         ERR("SetValue failed: %08x\n", nsres);
 292
 293     return S_OK;
 294 }
 295
 296 static HRESULT WINAPI HTMLSelectElement_get_value(IHTMLSelectElement *iface, BSTR *p)
 297 {
 298     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 299     nsAString value_str;
 300     nsresult nsres;
 301
 302     TRACE("(%p)->(%p)\n", This, p);
 303
 304     nsAString_Init(&value_str, NULL);
 305     nsres = nsIDOMHTMLSelectElement_GetValue(This->nsselect, &value_str);
 306     return return_nsstr(nsres, &value_str, p);
 307 }
 308
 309 static HRESULT WINAPI HTMLSelectElement_put_disabled(IHTMLSelectElement *iface, VARIANT_BOOL v)
 310 {
 311     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 312     nsresult nsres;
 313
 314     TRACE("(%p)->(%x)\n", This, v);
 315
 316     nsres = nsIDOMHTMLSelectElement_SetDisabled(This->nsselect, v != VARIANT_FALSE);
 317     if(NS_FAILED(nsres)) {
 318         ERR("SetDisabled failed: %08x\n", nsres);
 319         return E_FAIL;
 320     }
 321
 322     return S_OK;
 323 }
 324
 325 static HRESULT WINAPI HTMLSelectElement_get_disabled(IHTMLSelectElement *iface, VARIANT_BOOL *p)
 326 {
 327     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 328     cpp_bool disabled = FALSE;
 329     nsresult nsres;
 330
 331     TRACE("(%p)->(%p)\n", This, p);
 332
 333     nsres = nsIDOMHTMLSelectElement_GetDisabled(This->nsselect, &disabled);
 334     if(NS_FAILED(nsres)) {
 335         ERR("GetDisabled failed: %08x\n", nsres);
 336         return E_FAIL;
 337     }
 338
 339     *p = disabled ? VARIANT_TRUE : VARIANT_FALSE;
 340     return S_OK;
 341 }
 342
 343 static HRESULT WINAPI HTMLSelectElement_get_form(IHTMLSelectElement *iface, IHTMLFormElement **p)
 344 {
 345     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 346     FIXME("(%p)->(%p)\n", This, p);
 347     return E_NOTIMPL;
 348 }
 349
 350 static HRESULT WINAPI HTMLSelectElement_add(IHTMLSelectElement *iface, IHTMLElement *element,
 351                                             VARIANT before)
 352 {
 353     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 354     nsIWritableVariant *nsvariant;
 355     HTMLElement *element_obj;
 356     nsresult nsres;
 357
 358     TRACE("(%p)->(%p %s)\n", This, element, debugstr_variant(&before));
 359
 360     element_obj = unsafe_impl_from_IHTMLElement(element);
 361     if(!element_obj) {
 362         FIXME("External IHTMLElement implementation?\n");
 363         return E_INVALIDARG;
 364     }
 365
 366     nsvariant = create_nsvariant();
 367     if(!nsvariant)
 368         return E_FAIL;
 369
 370     switch(V_VT(&before)) {
 371     case VT_EMPTY:
 372         nsres = nsIWritableVariant_SetAsEmpty(nsvariant);
 373         break;
 374     case VT_I2:
 375         nsres = nsIWritableVariant_SetAsInt16(nsvariant, V_I2(&before));
 376         break;
 377     default:
 378         FIXME("unhandled before %s\n", debugstr_variant(&before));
 379         nsIWritableVariant_Release(nsvariant);
 380         return E_NOTIMPL;
 381     }
 382
 383     if(NS_SUCCEEDED(nsres))
 384         nsres = nsIDOMHTMLSelectElement_Add(This->nsselect, element_obj->nselem, (nsIVariant*)nsvariant);
 385     nsIWritableVariant_Release(nsvariant);
 386     if(NS_FAILED(nsres)) {
 387         ERR("Add failed: %08x\n", nsres);
 388         return E_FAIL;
 389     }
 390
 391     return S_OK;
 392 }
 393
 394 static HRESULT WINAPI HTMLSelectElement_remove(IHTMLSelectElement *iface, LONG index)
 395 {
 396     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 397     FIXME("(%p)->(%d)\n", This, index);
 398     return E_NOTIMPL;
 399 }
 400
 401 static HRESULT WINAPI HTMLSelectElement_put_length(IHTMLSelectElement *iface, LONG v)
 402 {
 403     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 404     nsresult nsres;
 405
 406     TRACE("(%p)->(%d)\n", This, v);
 407
 408     nsres = nsIDOMHTMLSelectElement_SetLength(This->nsselect, v);
 409     if(NS_FAILED(nsres))
 410         ERR("SetLength failed: %08x\n", nsres);
 411
 412     return S_OK;
 413 }
 414
 415 static HRESULT WINAPI HTMLSelectElement_get_length(IHTMLSelectElement *iface, LONG *p)
 416 {
 417     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 418     PRUint32 length = 0;
 419     nsresult nsres;
 420
 421     TRACE("(%p)->(%p)\n", This, p);
 422
 423     nsres = nsIDOMHTMLSelectElement_GetLength(This->nsselect, &length);
 424     if(NS_FAILED(nsres))
 425         ERR("GetLength failed: %08x\n", nsres);
 426
 427     *p = length;
 428
 429     TRACE("ret %d\n", *p);
 430     return S_OK;
 431 }
 432
 433 static HRESULT WINAPI HTMLSelectElement_get__newEnum(IHTMLSelectElement *iface, IUnknown **p)
 434 {
 435     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 436     FIXME("(%p)->(%p)\n", This, p);
 437     return E_NOTIMPL;
 438 }
 439
 440 static HRESULT WINAPI HTMLSelectElement_item(IHTMLSelectElement *iface, VARIANT name,
 441                                              VARIANT index, IDispatch **pdisp)
 442 {
 443     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 444
 445     TRACE("(%p)->(%s %s %p)\n", This, debugstr_variant(&name), debugstr_variant(&index), pdisp);
 446
 447     if(!pdisp)
 448         return E_POINTER;
 449     *pdisp = NULL;
 450
 451     if(V_VT(&name) == VT_I4) {
 452         if(V_I4(&name) < 0)
 453             return E_INVALIDARG;
 454         return htmlselect_item(This, V_I4(&name), pdisp);
 455     }
 456
 457     FIXME("Unsupported args\n");
 458     return E_NOTIMPL;
 459 }
 460
 461 static HRESULT WINAPI HTMLSelectElement_tags(IHTMLSelectElement *iface, VARIANT tagName,
 462                                              IDispatch **pdisp)
 463 {
 464     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 465     FIXME("(%p)->(v %p)\n", This, pdisp);
 466     return E_NOTIMPL;
 467 }
 468
 469 static const IHTMLSelectElementVtbl HTMLSelectElementVtbl = {
 470     HTMLSelectElement_QueryInterface,
 471     HTMLSelectElement_AddRef,
 472     HTMLSelectElement_Release,
 473     HTMLSelectElement_GetTypeInfoCount,
 474     HTMLSelectElement_GetTypeInfo,
 475     HTMLSelectElement_GetIDsOfNames,
 476     HTMLSelectElement_Invoke,
 477     HTMLSelectElement_put_size,
 478     HTMLSelectElement_get_size,
 479     HTMLSelectElement_put_multiple,
 480     HTMLSelectElement_get_multiple,
 481     HTMLSelectElement_put_name,
 482     HTMLSelectElement_get_name,
 483     HTMLSelectElement_get_options,
 484     HTMLSelectElement_put_onchange,
 485     HTMLSelectElement_get_onchange,
 486     HTMLSelectElement_put_selectedIndex,
 487     HTMLSelectElement_get_selectedIndex,
 488     HTMLSelectElement_get_type,
 489     HTMLSelectElement_put_value,
 490     HTMLSelectElement_get_value,
 491     HTMLSelectElement_put_disabled,
 492     HTMLSelectElement_get_disabled,
 493     HTMLSelectElement_get_form,
 494     HTMLSelectElement_add,
 495     HTMLSelectElement_remove,
 496     HTMLSelectElement_put_length,
 497     HTMLSelectElement_get_length,
 498     HTMLSelectElement_get__newEnum,
 499     HTMLSelectElement_item,
 500     HTMLSelectElement_tags
 501 };
 502
 503 static inline HTMLSelectElement *impl_from_HTMLDOMNode(HTMLDOMNode *iface)
 504 {
 505     return CONTAINING_RECORD(iface, HTMLSelectElement, element.node);
 506 }
 507
 508 static HRESULT HTMLSelectElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
 509 {
 510     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 511
 512     *ppv = NULL;
 513
 514     if(IsEqualGUID(&IID_IUnknown, riid)) {
 515         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 516         *ppv = &This->IHTMLSelectElement_iface;
 517     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 518         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 519         *ppv = &This->IHTMLSelectElement_iface;
 520     }else if(IsEqualGUID(&IID_IHTMLSelectElement, riid)) {
 521         TRACE("(%p)->(IID_IHTMLSelectElement %p)\n", This, ppv);
 522         *ppv = &This->IHTMLSelectElement_iface;
 523     }
 524
 525     if(*ppv) {
 526         IUnknown_AddRef((IUnknown*)*ppv);
 527         return S_OK;
 528     }
 529
 530     return HTMLElement_QI(&This->element.node, riid, ppv);
 531 }
 532
 533 static void HTMLSelectElement_destructor(HTMLDOMNode *iface)
 534 {
 535     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 536
 537     nsIDOMHTMLSelectElement_Release(This->nsselect);
 538
 539     HTMLElement_destructor(&This->element.node);
 540 }
 541
 542 static HRESULT HTMLSelectElementImpl_put_disabled(HTMLDOMNode *iface, VARIANT_BOOL v)
 543 {
 544     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 545     return IHTMLSelectElement_put_disabled(&This->IHTMLSelectElement_iface, v);
 546 }
 547
 548 static HRESULT HTMLSelectElementImpl_get_disabled(HTMLDOMNode *iface, VARIANT_BOOL *p)
 549 {
 550     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 551     return IHTMLSelectElement_get_disabled(&This->IHTMLSelectElement_iface, p);
 552 }
 553
 554 #define DISPID_OPTIONCOL_0 MSHTML_DISPID_CUSTOM_MIN
 555
 556 static HRESULT HTMLSelectElement_get_dispid(HTMLDOMNode *iface, BSTR name, DWORD flags, DISPID *dispid)
 557 {
 558     const WCHAR *ptr;
 559     DWORD idx = 0;
 560
 561     for(ptr = name; *ptr && isdigitW(*ptr); ptr++) {
 562         idx = idx*10 + (*ptr-'0');
 563         if(idx > MSHTML_CUSTOM_DISPID_CNT) {
 564             WARN("too big idx\n");
 565             return DISP_E_UNKNOWNNAME;
 566         }
 567     }
 568     if(*ptr)
 569         return DISP_E_UNKNOWNNAME;
 570
 571     *dispid = DISPID_OPTIONCOL_0 + idx;
 572     return S_OK;
 573 }
 574
 575 static HRESULT HTMLSelectElement_invoke(HTMLDOMNode *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
 576         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 577 {
 578     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 579
 580     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, flags, params, res, ei, caller);
 581
 582     switch(flags) {
 583     case DISPATCH_PROPERTYGET: {
 584         IDispatch *ret;
 585         HRESULT hres;
 586
 587         hres = htmlselect_item(This, id-DISPID_OPTIONCOL_0, &ret);
 588         if(FAILED(hres))
 589             return hres;
 590
 591         if(ret) {
 592             V_VT(res) = VT_DISPATCH;
 593             V_DISPATCH(res) = ret;
 594         }else {
 595             V_VT(res) = VT_NULL;
 596         }
 597         break;
 598     }
 599
 600     default:
 601         FIXME("unimplemented flags %x\n", flags);
 602         return E_NOTIMPL;
 603     }
 604
 605     return S_OK;
 606 }
 607
 608 static const NodeImplVtbl HTMLSelectElementImplVtbl = {
 609     HTMLSelectElement_QI,
 610     HTMLSelectElement_destructor,
 611     HTMLElement_clone,
 612     HTMLElement_get_attr_col,
 613     NULL,
 614     NULL,
 615     NULL,
 616     HTMLSelectElementImpl_put_disabled,
 617     HTMLSelectElementImpl_get_disabled,
 618     NULL,
 619     NULL,
 620     HTMLSelectElement_get_dispid,
 621     HTMLSelectElement_invoke
 622 };
 623
 624 static const tid_t HTMLSelectElement_tids[] = {
 625     HTMLELEMENT_TIDS,
 626     IHTMLSelectElement_tid,
 627     0
 628 };
 629
 630 static dispex_static_data_t HTMLSelectElement_dispex = {
 631     NULL,
 632     DispHTMLSelectElement_tid,
 633     NULL,
 634     HTMLSelectElement_tids
 635 };
 636
 637 HRESULT HTMLSelectElement_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem, HTMLElement **elem)
 638 {
 639     HTMLSelectElement *ret;
 640     nsresult nsres;
 641
 642     ret = heap_alloc_zero(sizeof(HTMLSelectElement));
 643     if(!ret)
 644         return E_OUTOFMEMORY;
 645
 646     ret->IHTMLSelectElement_iface.lpVtbl = &HTMLSelectElementVtbl;
 647     ret->element.node.vtbl = &HTMLSelectElementImplVtbl;
 648
 649     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLSelectElement,
 650                                              (void**)&ret->nsselect);
 651     if(NS_FAILED(nsres)) {
 652         ERR("Could not get nsIDOMHTMLSelectElement interfce: %08x\n", nsres);
 653         heap_free(ret);
 654         return E_FAIL;
 655     }
 656
 657     HTMLElement_Init(&ret->element, doc, nselem, &HTMLSelectElement_dispex);
 658
 659     *elem = &ret->element;
 660     return S_OK;
 661 }