dlls/mshtml/editor.c

   1 /*
   2  * Copyright 2006-2007 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 "config.h"
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winnls.h"
  30 #include "ole2.h"
  31 #include "mshtmcid.h"
  32
  33 #include "wine/debug.h"
  34 #include "wine/unicode.h"
  35
  36 #include "mshtml_private.h"
  37 #include "resource.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  40
  41 #define NSCMD_ALIGN        "cmd_align"
  42 #define NSCMD_BEGINLINE    "cmd_beginLine"
  43 #define NSCMD_BOLD         "cmd_bold"
  44 #define NSCMD_CHARNEXT     "cmd_charNext"
  45 #define NSCMD_CHARPREVIOUS "cmd_charPrevious"
  46 #define NSCMD_COPY         "cmd_copy"
  47 #define NSCMD_CUT          "cmd_cut"
  48 #define NSCMD_DELETECHARFORWARD   "cmd_deleteCharForward"
  49 #define NSCMD_DELETEWORDFORWARD   "cmd_deleteWordForward"
  50 #define NSCMD_ENDLINE      "cmd_endLine"
  51 #define NSCMD_FONTCOLOR    "cmd_fontColor"
  52 #define NSCMD_FONTFACE     "cmd_fontFace"
  53 #define NSCMD_INDENT       "cmd_indent"
  54 #define NSCMD_INSERTHR     "cmd_insertHR"
  55 #define NSCMD_INSERTLINKNOUI    "cmd_insertLinkNoUI"
  56 #define NSCMD_ITALIC       "cmd_italic"
  57 #define NSCMD_LINENEXT     "cmd_lineNext"
  58 #define NSCMD_LINEPREVIOUS "cmd_linePrevious"
  59 #define NSCMD_MOVEBOTTOM   "cmd_moveBottom"
  60 #define NSCMD_MOVEPAGEDOWN "cmd_movePageDown"
  61 #define NSCMD_MOVEPAGEUP   "cmd_movePageUp"
  62 #define NSCMD_MOVETOP      "cmd_moveTop"
  63 #define NSCMD_OL           "cmd_ol"
  64 #define NSCMD_OUTDENT      "cmd_outdent"
  65 #define NSCMD_PASTE        "cmd_paste"
  66 #define NSCMD_SELECTALL           "cmd_selectAll"
  67 #define NSCMD_SELECTBEGINLINE     "cmd_selectBeginLine"
  68 #define NSCMD_SELECTBOTTOM        "cmd_selectBottom"
  69 #define NSCMD_SELECTCHARNEXT      "cmd_selectCharNext"
  70 #define NSCMD_SELECTCHARPREVIOUS  "cmd_selectCharPrevious"
  71 #define NSCMD_SELECTENDLINE       "cmd_selectEndLine"
  72 #define NSCMD_SELECTLINENEXT      "cmd_selectLineNext"
  73 #define NSCMD_SELECTLINEPREVIOUS  "cmd_selectLinePrevious"
  74 #define NSCMD_SELECTPAGEDOWN      "cmd_selectPageDown"
  75 #define NSCMD_SELECTPAGEUP        "cmd_selectPageUp"
  76 #define NSCMD_SELECTTOP           "cmd_selectTop"
  77 #define NSCMD_SELECTWORDNEXT      "cmd_selectWordNext"
  78 #define NSCMD_SELECTWORDPREVIOUS  "cmd_selectWordPrevious"
  79 #define NSCMD_UL           "cmd_ul"
  80 #define NSCMD_UNDERLINE    "cmd_underline"
  81 #define NSCMD_WORDNEXT     "cmd_wordNext"
  82 #define NSCMD_WORDPREVIOUS "cmd_wordPrevious"
  83
  84 #define NSSTATE_ATTRIBUTE "state_attribute"
  85 #define NSSTATE_ALL       "state_all"
  86
  87 #define NSALIGN_CENTER "center"
  88 #define NSALIGN_LEFT   "left"
  89 #define NSALIGN_RIGHT  "right"
  90
  91 #define DOM_VK_LEFT     VK_LEFT
  92 #define DOM_VK_UP       VK_UP
  93 #define DOM_VK_RIGHT    VK_RIGHT
  94 #define DOM_VK_DOWN     VK_DOWN
  95 #define DOM_VK_DELETE   VK_DELETE
  96 #define DOM_VK_HOME     VK_HOME
  97 #define DOM_VK_END      VK_END
  98
  99 static const WCHAR wszFont[] = {'f','o','n','t',0};
 100 static const WCHAR wszSize[] = {'s','i','z','e',0};
 101
 102 void set_dirty(HTMLDocument *This, VARIANT_BOOL dirty)
 103 {
 104     nsresult nsres;
 105
 106     if(This->usermode != EDITMODE || !This->nscontainer || !This->nscontainer->editor)
 107         return;
 108
 109     if(dirty) {
 110         nsres = nsIEditor_IncrementModificationCount(This->nscontainer->editor, 1);
 111         if(NS_FAILED(nsres))
 112             ERR("IncrementModificationCount failed: %08x\n", nsres);
 113     }else {
 114         nsres = nsIEditor_ResetModificationCount(This->nscontainer->editor);
 115         if(NS_FAILED(nsres))
 116             ERR("ResetModificationCount failed: %08x\n", nsres);
 117     }
 118 }
 119
 120 static void do_ns_editor_command(NSContainer *This, const char *cmd)
 121 {
 122     nsresult nsres;
 123
 124     if(!This->editor_controller)
 125         return;
 126
 127     nsres = nsIController_DoCommand(This->editor_controller, cmd);
 128     if(NS_FAILED(nsres))
 129         ERR("DoCommand(%s) failed: %08x\n", debugstr_a(cmd), nsres);
 130 }
 131
 132 static nsresult get_ns_command_state(NSContainer *This, const char *cmd, nsICommandParams *nsparam)
 133 {
 134     nsICommandManager *cmdmgr;
 135     nsresult nsres;
 136
 137     nsres = get_nsinterface((nsISupports*)This->webbrowser, &IID_nsICommandManager, (void**)&cmdmgr);
 138     if(NS_FAILED(nsres)) {
 139         ERR("Could not get nsICommandManager: %08x\n", nsres);
 140         return nsres;
 141     }
 142
 143     nsres = nsICommandManager_GetCommandState(cmdmgr, cmd, NULL, nsparam);
 144     if(NS_FAILED(nsres))
 145         ERR("GetCommandState(%s) failed: %08x\n", debugstr_a(cmd), nsres);
 146
 147     nsICommandManager_Release(cmdmgr);
 148     return nsres;
 149 }
 150
 151 static DWORD query_ns_edit_status(HTMLDocument *This, const char *nscmd)
 152 {
 153     nsICommandParams *nsparam;
 154     PRBool b = FALSE;
 155
 156     if(This->usermode != EDITMODE || This->readystate < READYSTATE_INTERACTIVE)
 157         return OLECMDF_SUPPORTED;
 158
 159     if(This->nscontainer && nscmd) {
 160         nsparam = create_nscommand_params();
 161         get_ns_command_state(This->nscontainer, nscmd, nsparam);
 162
 163         nsICommandParams_GetBooleanValue(nsparam, NSSTATE_ALL, &b);
 164
 165         nsICommandParams_Release(nsparam);
 166     }
 167
 168     return OLECMDF_SUPPORTED | OLECMDF_ENABLED | (b ? OLECMDF_LATCHED : 0);
 169 }
 170
 171 static void set_ns_align(HTMLDocument *This, const char *align_str)
 172 {
 173     nsICommandParams *nsparam;
 174
 175     if(!This->nscontainer)
 176         return;
 177
 178     nsparam = create_nscommand_params();
 179     nsICommandParams_SetCStringValue(nsparam, NSSTATE_ATTRIBUTE, align_str);
 180
 181     do_ns_command(This->nscontainer, NSCMD_ALIGN, nsparam);
 182
 183     nsICommandParams_Release(nsparam);
 184 }
 185
 186 static DWORD query_align_status(HTMLDocument *This, const char *align_str)
 187 {
 188     nsICommandParams *nsparam;
 189     char *align = NULL;
 190
 191     if(This->usermode != EDITMODE || This->readystate < READYSTATE_INTERACTIVE)
 192         return OLECMDF_SUPPORTED;
 193
 194     if(This->nscontainer) {
 195         nsparam = create_nscommand_params();
 196         get_ns_command_state(This->nscontainer, NSCMD_ALIGN, nsparam);
 197
 198         nsICommandParams_GetCStringValue(nsparam, NSSTATE_ATTRIBUTE, &align);
 199
 200         nsICommandParams_Release(nsparam);
 201     }
 202
 203     return OLECMDF_SUPPORTED | OLECMDF_ENABLED
 204         | (align && !strcmp(align_str, align) ? OLECMDF_LATCHED : 0);
 205 }
 206
 207
 208 static nsISelection *get_ns_selection(HTMLDocument *This)
 209 {
 210     nsIDOMWindow *dom_window;
 211     nsISelection *nsselection = NULL;
 212     nsresult nsres;
 213
 214     if(!This->nscontainer)
 215         return NULL;
 216
 217     nsres = nsIWebBrowser_GetContentDOMWindow(This->nscontainer->webbrowser, &dom_window);
 218     if(NS_FAILED(nsres))
 219         return NULL;
 220
 221     nsIDOMWindow_GetSelection(dom_window, &nsselection);
 222     nsIDOMWindow_Release(dom_window);
 223
 224     return nsselection;
 225
 226 }
 227
 228 static void remove_child_attr(nsIDOMElement *elem, LPCWSTR tag, nsAString *attr_str)
 229 {
 230     PRBool has_children;
 231     PRUint32 child_cnt, i;
 232     nsIDOMNode *child_node;
 233     nsIDOMNodeList *node_list;
 234     PRUint16 node_type;
 235
 236     nsIDOMElement_HasChildNodes(elem, &has_children);
 237     if(!has_children)
 238         return;
 239
 240     nsIDOMElement_GetChildNodes(elem, &node_list);
 241     nsIDOMNodeList_GetLength(node_list, &child_cnt);
 242
 243     for(i=0; i<child_cnt; i++) {
 244         nsIDOMNodeList_Item(node_list, i, &child_node);
 245
 246         nsIDOMNode_GetNodeType(child_node, &node_type);
 247         if(node_type == ELEMENT_NODE) {
 248             nsIDOMElement *child_elem;
 249             nsAString tag_str;
 250             const PRUnichar *ctag;
 251
 252             nsIDOMNode_QueryInterface(child_node, &IID_nsIDOMElement, (void**)&child_elem);
 253
 254             nsAString_Init(&tag_str, NULL);
 255             nsIDOMElement_GetTagName(child_elem, &tag_str);
 256             nsAString_GetData(&tag_str, &ctag);
 257
 258             if(!strcmpiW(ctag, tag))
 259                 /* FIXME: remove node if there are no more attributes */
 260                 nsIDOMElement_RemoveAttribute(child_elem, attr_str);
 261
 262             nsAString_Finish(&tag_str);
 263
 264             remove_child_attr(child_elem, tag, attr_str);
 265
 266             nsIDOMNode_Release(child_elem);
 267         }
 268
 269         nsIDOMNode_Release(child_node);
 270     }
 271
 272     nsIDOMNodeList_Release(node_list);
 273 }
 274
 275 static void get_font_size(HTMLDocument *This, WCHAR *ret)
 276 {
 277     nsISelection *nsselection = get_ns_selection(This);
 278     nsIDOMElement *elem = NULL;
 279     nsIDOMNode *node = NULL, *tmp_node;
 280     nsAString tag_str;
 281     LPCWSTR tag;
 282     PRUint16 node_type;
 283     nsresult nsres;
 284
 285     *ret = 0;
 286
 287     if(!nsselection)
 288         return;
 289
 290     nsISelection_GetFocusNode(nsselection, &node);
 291     nsISelection_Release(nsselection);
 292
 293     while(node) {
 294         nsres = nsIDOMNode_GetNodeType(node, &node_type);
 295         if(NS_FAILED(nsres) || node_type == DOCUMENT_NODE)
 296             break;
 297
 298         if(node_type == ELEMENT_NODE) {
 299             nsIDOMNode_QueryInterface(node, &IID_nsIDOMElement, (void**)&elem);
 300
 301             nsAString_Init(&tag_str, NULL);
 302             nsIDOMElement_GetTagName(elem, &tag_str);
 303             nsAString_GetData(&tag_str, &tag);
 304
 305             if(!strcmpiW(tag, wszFont)) {
 306                 nsAString size_str, val_str;
 307                 LPCWSTR val;
 308
 309                 TRACE("found font tag %p\n", elem);
 310
 311                 nsAString_Init(&size_str, wszSize);
 312                 nsAString_Init(&val_str, NULL);
 313
 314                 nsIDOMElement_GetAttribute(elem, &size_str, &val_str);
 315                 nsAString_GetData(&val_str, &val);
 316
 317                 if(*val) {
 318                     TRACE("found size %s\n", debugstr_w(val));
 319                     strcpyW(ret, val);
 320                 }
 321
 322                 nsAString_Finish(&size_str);
 323                 nsAString_Finish(&val_str);
 324             }
 325
 326             nsAString_Finish(&tag_str);
 327
 328             nsIDOMElement_Release(elem);
 329         }
 330
 331         if(*ret)
 332             break;
 333
 334         tmp_node = node;
 335         nsIDOMNode_GetParentNode(node, &node);
 336         nsIDOMNode_Release(tmp_node);
 337     }
 338
 339     if(node)
 340         nsIDOMNode_Release(node);
 341 }
 342
 343 static void set_font_size(HTMLDocument *This, LPCWSTR size)
 344 {
 345     nsISelection *nsselection;
 346     PRBool collapsed;
 347     nsIDOMDocument *nsdoc;
 348     nsIDOMElement *elem;
 349     nsIDOMRange *range;
 350     PRInt32 range_cnt = 0;
 351     nsAString font_str;
 352     nsAString size_str;
 353     nsAString val_str;
 354     nsresult nsres;
 355
 356     nsselection = get_ns_selection(This);
 357
 358     if(!nsselection)
 359         return;
 360
 361     nsISelection_GetRangeCount(nsselection, &range_cnt);
 362     if(range_cnt != 1) {
 363         FIXME("range_cnt %d not supprted\n", range_cnt);
 364         if(!range_cnt) {
 365             nsISelection_Release(nsselection);
 366             return;
 367         }
 368     }
 369
 370     nsres = nsIWebNavigation_GetDocument(This->nscontainer->navigation, &nsdoc);
 371     if(NS_FAILED(nsres))
 372         return;
 373
 374     nsAString_Init(&font_str, wszFont);
 375     nsAString_Init(&size_str, wszSize);
 376     nsAString_Init(&val_str, size);
 377
 378     nsIDOMDocument_CreateElement(nsdoc, &font_str, &elem);
 379     nsIDOMElement_SetAttribute(elem, &size_str, &val_str);
 380
 381     nsISelection_GetRangeAt(nsselection, 0, &range);
 382     nsISelection_GetIsCollapsed(nsselection, &collapsed);
 383     nsISelection_RemoveAllRanges(nsselection);
 384
 385     nsIDOMRange_SurroundContents(range, (nsIDOMNode*)elem);
 386
 387     if(collapsed) {
 388         nsISelection_Collapse(nsselection, (nsIDOMNode*)elem, 0);
 389     }else {
 390         /* Remove all size attributes from the range */
 391         remove_child_attr(elem, wszFont, &size_str);
 392         nsISelection_SelectAllChildren(nsselection, (nsIDOMNode*)elem);
 393     }
 394
 395     nsIDOMRange_Release(range);
 396     nsIDOMElement_Release(elem);
 397
 398     nsAString_Finish(&font_str);
 399     nsAString_Finish(&size_str);
 400     nsAString_Finish(&val_str);
 401
 402     nsISelection_Release(nsselection);
 403     nsIDOMDocument_Release(nsdoc);
 404
 405     set_dirty(This, VARIANT_TRUE);
 406 }
 407
 408 static void handle_arrow_key(HTMLDocument *This, nsIDOMKeyEvent *event, const char * const cmds[4])
 409 {
 410     int i=0;
 411     PRBool b;
 412
 413     nsIDOMKeyEvent_GetCtrlKey(event, &b);
 414     if(b)
 415         i |= 1;
 416
 417     nsIDOMKeyEvent_GetShiftKey(event, &b);
 418     if(b)
 419         i |= 2;
 420
 421     if(cmds[i])
 422         do_ns_editor_command(This->nscontainer, cmds[i]);
 423
 424     nsIDOMKeyEvent_PreventDefault(event);
 425 }
 426
 427 void handle_edit_event(HTMLDocument *This, nsIDOMEvent *event)
 428 {
 429     nsIDOMKeyEvent *key_event;
 430     PRUint32 code;
 431
 432     nsIDOMEvent_QueryInterface(event, &IID_nsIDOMKeyEvent, (void**)&key_event);
 433
 434     nsIDOMKeyEvent_GetKeyCode(key_event, &code);
 435
 436     switch(code) {
 437     case DOM_VK_LEFT: {
 438         static const char * const cmds[] = {
 439             NSCMD_CHARPREVIOUS,
 440             NSCMD_WORDPREVIOUS,
 441             NSCMD_SELECTCHARPREVIOUS,
 442             NSCMD_SELECTWORDPREVIOUS
 443         };
 444
 445         TRACE("left\n");
 446         handle_arrow_key(This, key_event, cmds);
 447         break;
 448     }
 449     case DOM_VK_RIGHT: {
 450         static const char * const cmds[] = {
 451             NSCMD_CHARNEXT,
 452             NSCMD_WORDNEXT,
 453             NSCMD_SELECTCHARNEXT,
 454             NSCMD_SELECTWORDNEXT
 455         };
 456
 457         TRACE("right\n");
 458         handle_arrow_key(This, key_event, cmds);
 459         break;
 460     }
 461     case DOM_VK_UP: {
 462         static const char * const cmds[] = {
 463             NSCMD_LINEPREVIOUS,
 464             NSCMD_MOVEPAGEUP,
 465             NSCMD_SELECTLINEPREVIOUS,
 466             NSCMD_SELECTPAGEUP
 467         };
 468
 469         TRACE("up\n");
 470         handle_arrow_key(This, key_event, cmds);
 471         break;
 472     }
 473     case DOM_VK_DOWN: {
 474         static const char * const cmds[] = {
 475             NSCMD_LINENEXT,
 476             NSCMD_MOVEPAGEDOWN,
 477             NSCMD_SELECTLINENEXT,
 478             NSCMD_SELECTPAGEDOWN
 479         };
 480
 481         TRACE("down\n");
 482         handle_arrow_key(This, key_event, cmds);
 483         break;
 484     }
 485     case DOM_VK_DELETE: {
 486         static const char * const cmds[] = {
 487             NSCMD_DELETECHARFORWARD,
 488             NSCMD_DELETEWORDFORWARD,
 489             NULL, NULL
 490         };
 491
 492         TRACE("delete\n");
 493         handle_arrow_key(This, key_event, cmds);
 494         break;
 495     }
 496     case DOM_VK_HOME: {
 497         static const char * const cmds[] = {
 498             NSCMD_BEGINLINE,
 499             NSCMD_MOVETOP,
 500             NSCMD_SELECTBEGINLINE,
 501             NSCMD_SELECTTOP
 502         };
 503
 504         TRACE("home\n");
 505         handle_arrow_key(This, key_event, cmds);
 506         break;
 507     }
 508     case DOM_VK_END: {
 509         static const char * const cmds[] = {
 510             NSCMD_ENDLINE,
 511             NSCMD_MOVEBOTTOM,
 512             NSCMD_SELECTENDLINE,
 513             NSCMD_SELECTBOTTOM
 514         };
 515
 516         TRACE("end\n");
 517         handle_arrow_key(This, key_event, cmds);
 518         break;
 519     }
 520     }
 521
 522     nsIDOMKeyEvent_Release(key_event);
 523 }
 524
 525 void handle_edit_load(HTMLDocument *This)
 526 {
 527     This->nscontainer->reset_focus = GetFocus();
 528     get_editor_controller(This->nscontainer);
 529 }
 530
 531 static void set_ns_fontname(NSContainer *This, const char *fontname)
 532 {
 533     nsICommandParams *nsparam = create_nscommand_params();
 534
 535     nsICommandParams_SetCStringValue(nsparam, NSSTATE_ATTRIBUTE, fontname);
 536     do_ns_command(This, NSCMD_FONTFACE, nsparam);
 537     nsICommandParams_Release(nsparam);
 538 }
 539
 540 static HRESULT exec_delete(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 541 {
 542     TRACE("(%p)->(%p %p)\n", This, in, out);
 543
 544     if(This->nscontainer)
 545         do_ns_editor_command(This->nscontainer, NSCMD_DELETECHARFORWARD);
 546
 547     update_doc(This, UPDATE_UI);
 548     return S_OK;
 549 }
 550
 551 static HRESULT exec_fontname(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 552 {
 553     TRACE("(%p)->(%p %p)\n", This, in, out);
 554
 555     if(!This->nscontainer) {
 556         update_doc(This, UPDATE_UI);
 557         return E_FAIL;
 558     }
 559
 560     if(in) {
 561         char *stra;
 562
 563         if(V_VT(in) != VT_BSTR) {
 564             FIXME("Unsupported vt=%d\n", V_VT(out));
 565             return E_INVALIDARG;
 566         }
 567
 568         TRACE("%s\n", debugstr_w(V_BSTR(in)));
 569
 570         stra = heap_strdupWtoA(V_BSTR(in));
 571         set_ns_fontname(This->nscontainer, stra);
 572         heap_free(stra);
 573
 574         update_doc(This, UPDATE_UI);
 575     }
 576
 577     if(out) {
 578         nsICommandParams *nsparam;
 579         LPWSTR strw;
 580         char *stra;
 581         DWORD len;
 582         nsresult nsres;
 583
 584         V_VT(out) = VT_BSTR;
 585         V_BSTR(out) = NULL;
 586
 587         nsparam = create_nscommand_params();
 588
 589         nsres = get_ns_command_state(This->nscontainer, NSCMD_FONTFACE, nsparam);
 590         if(NS_FAILED(nsres))
 591             return S_OK;
 592
 593         nsICommandParams_GetCStringValue(nsparam, NSSTATE_ATTRIBUTE, &stra);
 594         nsICommandParams_Release(nsparam);
 595
 596         len = MultiByteToWideChar(CP_ACP, 0, stra, -1, NULL, 0);
 597         strw = heap_alloc(len*sizeof(WCHAR));
 598         MultiByteToWideChar(CP_ACP, 0, stra, -1, strw, -1);
 599         nsfree(stra);
 600
 601         V_BSTR(out) = SysAllocString(strw);
 602         heap_free(strw);
 603     }
 604
 605     return S_OK;
 606 }
 607
 608 static HRESULT exec_forecolor(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 609 {
 610     TRACE("(%p)->(%p %p)\n", This, in, out);
 611
 612     if(in) {
 613         if(V_VT(in) == VT_I4) {
 614             nsICommandParams *nsparam = create_nscommand_params();
 615             char color_str[10];
 616
 617             sprintf(color_str, "#%02x%02x%02x",
 618                     V_I4(in)&0xff, (V_I4(in)>>8)&0xff, (V_I4(in)>>16)&0xff);
 619
 620             nsICommandParams_SetCStringValue(nsparam, NSSTATE_ATTRIBUTE, color_str);
 621             do_ns_command(This->nscontainer, NSCMD_FONTCOLOR, nsparam);
 622
 623             nsICommandParams_Release(nsparam);
 624         }else {
 625             FIXME("unsupported in vt=%d\n", V_VT(in));
 626         }
 627
 628         update_doc(This, UPDATE_UI);
 629     }
 630
 631     if(out) {
 632         FIXME("unsupported out\n");
 633         return E_NOTIMPL;
 634     }
 635
 636     return S_OK;
 637 }
 638
 639 static HRESULT exec_fontsize(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 640 {
 641     TRACE("(%p)->(%p %p)\n", This, in, out);
 642
 643     if(out) {
 644         WCHAR val[10] = {0};
 645
 646         get_font_size(This, val);
 647         V_VT(out) = VT_I4;
 648         V_I4(out) = strtolW(val, NULL, 10);
 649     }
 650
 651     if(in) {
 652         switch(V_VT(in)) {
 653         case VT_I4: {
 654             WCHAR size[10];
 655             static const WCHAR format[] = {'%','d',0};
 656             wsprintfW(size, format, V_I4(in));
 657             set_font_size(This, size);
 658             break;
 659         }
 660         case VT_BSTR:
 661             set_font_size(This, V_BSTR(in));
 662             break;
 663         default:
 664             FIXME("unsupported vt %d\n", V_VT(in));
 665         }
 666
 667         update_doc(This, UPDATE_UI);
 668     }
 669
 670     return S_OK;
 671 }
 672
 673 static HRESULT exec_font(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 674 {
 675
 676     FIXME("(%p)->(%p %p)\n", This, in, out);
 677     return E_NOTIMPL;
 678 }
 679
 680 static HRESULT exec_selectall(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 681 {
 682     TRACE("(%p)\n", This);
 683
 684     if(in || out)
 685         FIXME("unsupported args\n");
 686
 687     if(This->nscontainer)
 688         do_ns_command(This->nscontainer, NSCMD_SELECTALL, NULL);
 689
 690     update_doc(This, UPDATE_UI);
 691     return S_OK;
 692 }
 693
 694 static HRESULT exec_bold(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 695 {
 696     TRACE("(%p)\n", This);
 697
 698     if(in || out)
 699         FIXME("unsupported args\n");
 700
 701     if(This->nscontainer)
 702         do_ns_command(This->nscontainer, NSCMD_BOLD, NULL);
 703
 704     update_doc(This, UPDATE_UI);
 705     return S_OK;
 706 }
 707
 708 static HRESULT exec_italic(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 709 {
 710     TRACE("(%p)\n", This);
 711
 712     if(in || out)
 713         FIXME("unsupported args\n");
 714
 715     if(This->nscontainer)
 716         do_ns_command(This->nscontainer, NSCMD_ITALIC, NULL);
 717
 718     update_doc(This, UPDATE_UI);
 719     return S_OK;
 720 }
 721
 722 static HRESULT query_justify(HTMLDocument *This, OLECMD *cmd)
 723 {
 724     switch(cmd->cmdID) {
 725     case IDM_JUSTIFYCENTER:
 726         TRACE("(%p) IDM_JUSTIFYCENTER\n", This);
 727         cmd->cmdf = query_align_status(This, NSALIGN_CENTER);
 728         break;
 729     case IDM_JUSTIFYLEFT:
 730         TRACE("(%p) IDM_JUSTIFYLEFT\n", This);
 731         /* FIXME: We should set OLECMDF_LATCHED only if it's set explicitly. */
 732         if(This->usermode != EDITMODE || This->readystate < READYSTATE_INTERACTIVE)
 733             cmd->cmdf = OLECMDF_SUPPORTED;
 734         else
 735             cmd->cmdf = OLECMDF_SUPPORTED | OLECMDF_ENABLED;
 736         break;
 737     case IDM_JUSTIFYRIGHT:
 738         TRACE("(%p) IDM_JUSTIFYRIGHT\n", This);
 739         cmd->cmdf = query_align_status(This, NSALIGN_RIGHT);
 740         break;
 741     }
 742
 743     return S_OK;
 744 }
 745
 746 static HRESULT exec_justifycenter(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 747 {
 748     TRACE("(%p)\n", This);
 749
 750     if(in || out)
 751         FIXME("unsupported args\n");
 752
 753     set_ns_align(This, NSALIGN_CENTER);
 754     update_doc(This, UPDATE_UI);
 755     return S_OK;
 756 }
 757
 758 static HRESULT exec_justifyleft(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 759 {
 760     TRACE("(%p)\n", This);
 761
 762     if(in || out)
 763         FIXME("unsupported args\n");
 764
 765     set_ns_align(This, NSALIGN_LEFT);
 766     update_doc(This, UPDATE_UI);
 767     return S_OK;
 768 }
 769
 770 static HRESULT exec_justifyright(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 771 {
 772     TRACE("(%p)\n", This);
 773
 774     if(in || out)
 775         FIXME("unsupported args\n");
 776
 777     set_ns_align(This, NSALIGN_RIGHT);
 778     update_doc(This, UPDATE_UI);
 779     return S_OK;
 780 }
 781
 782 static HRESULT exec_underline(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 783 {
 784     TRACE("(%p)\n", This);
 785
 786     if(in || out)
 787         FIXME("unsupported args\n");
 788
 789     if(This->nscontainer)
 790         do_ns_command(This->nscontainer, NSCMD_UNDERLINE, NULL);
 791
 792     update_doc(This, UPDATE_UI);
 793     return S_OK;
 794 }
 795
 796 static HRESULT exec_horizontalline(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 797 {
 798     TRACE("(%p)\n", This);
 799
 800     if(in || out)
 801         FIXME("unsupported args\n");
 802
 803     if(This->nscontainer)
 804         do_ns_command(This->nscontainer, NSCMD_INSERTHR, NULL);
 805
 806     update_doc(This, UPDATE_UI);
 807     return S_OK;
 808 }
 809
 810 static HRESULT exec_orderlist(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 811 {
 812     TRACE("(%p)\n", This);
 813
 814     if(in || out)
 815         FIXME("unsupported args\n");
 816
 817     if(This->nscontainer)
 818         do_ns_command(This->nscontainer, NSCMD_OL, NULL);
 819
 820     update_doc(This, UPDATE_UI);
 821     return S_OK;
 822 }
 823
 824 static HRESULT exec_unorderlist(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 825 {
 826     TRACE("(%p)\n", This);
 827
 828     if(in || out)
 829         FIXME("unsupported args\n");
 830
 831     if(This->nscontainer)
 832         do_ns_command(This->nscontainer, NSCMD_UL, NULL);
 833
 834     update_doc(This, UPDATE_UI);
 835     return S_OK;
 836 }
 837
 838 static HRESULT exec_indent(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 839 {
 840     TRACE("(%p)\n", This);
 841
 842     if(in || out)
 843         FIXME("unsupported args\n");
 844
 845     if(This->nscontainer)
 846         do_ns_command(This->nscontainer, NSCMD_INDENT, NULL);
 847
 848     update_doc(This, UPDATE_UI);
 849     return S_OK;
 850 }
 851
 852 static HRESULT exec_outdent(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 853 {
 854     TRACE("(%p)\n", This);
 855
 856     if(in || out)
 857         FIXME("unsupported args\n");
 858
 859     if(This->nscontainer)
 860         do_ns_command(This->nscontainer, NSCMD_OUTDENT, NULL);
 861
 862     update_doc(This, UPDATE_UI);
 863     return S_OK;
 864 }
 865
 866 static HRESULT exec_composesettings(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 867 {
 868     WCHAR *ptr;
 869
 870     if(out || !in || V_VT(in) != VT_BSTR) {
 871         WARN("invalid arg\n");
 872         return E_INVALIDARG;
 873     }
 874
 875     TRACE("(%p)->(%x %s)\n", This, cmdexecopt, debugstr_w(V_BSTR(in)));
 876
 877     update_doc(This, UPDATE_UI);
 878
 879     ptr = V_BSTR(in);
 880     if(*ptr == '1')
 881         exec_bold(This, cmdexecopt, NULL, NULL);
 882     ptr = strchrW(ptr, ',');
 883     if(!ptr)
 884         return S_OK;
 885
 886     if(*++ptr == '1')
 887         exec_italic(This, cmdexecopt, NULL, NULL);
 888     ptr = strchrW(ptr, ',');
 889     if(!ptr)
 890         return S_OK;
 891
 892     if(*++ptr == '1')
 893         exec_underline(This, cmdexecopt, NULL, NULL);
 894     ptr = strchrW(ptr, ',');
 895     if(!ptr)
 896         return S_OK;
 897
 898     if(isdigitW(*++ptr)) {
 899         VARIANT v;
 900
 901         V_VT(&v) = VT_I4;
 902         V_I4(&v) = *ptr-'0';
 903
 904         exec_fontsize(This, cmdexecopt, &v, NULL);
 905     }
 906     ptr = strchrW(ptr, ',');
 907     if(!ptr)
 908         return S_OK;
 909
 910     if(*++ptr != ',')
 911         FIXME("set font color\n");
 912     ptr = strchrW(ptr, ',');
 913     if(!ptr)
 914         return S_OK;
 915
 916     if(*++ptr != ',')
 917         FIXME("set background color\n");
 918     ptr = strchrW(ptr, ',');
 919     if(!ptr)
 920         return S_OK;
 921
 922     ptr++;
 923     if(*ptr) {
 924         VARIANT v;
 925
 926         V_VT(&v) = VT_BSTR;
 927         V_BSTR(&v) = SysAllocString(ptr);
 928
 929         exec_fontname(This, cmdexecopt, &v, NULL);
 930
 931         SysFreeString(V_BSTR(&v));
 932     }
 933
 934     return S_OK;
 935 }
 936
 937 HRESULT editor_exec_copy(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 938 {
 939     update_doc(This, UPDATE_UI);
 940
 941     if(!This->nscontainer)
 942         return E_FAIL;
 943
 944     do_ns_editor_command(This->nscontainer, NSCMD_COPY);
 945     return S_OK;
 946 }
 947
 948 HRESULT editor_exec_cut(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 949 {
 950     update_doc(This, UPDATE_UI);
 951
 952     if(!This->nscontainer)
 953         return E_FAIL;
 954
 955     do_ns_editor_command(This->nscontainer, NSCMD_CUT);
 956     return S_OK;
 957 }
 958
 959 HRESULT editor_exec_paste(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 960 {
 961     update_doc(This, UPDATE_UI);
 962
 963     if(!This->nscontainer)
 964         return E_FAIL;
 965
 966     do_ns_editor_command(This->nscontainer, NSCMD_PASTE);
 967     return S_OK;
 968 }
 969
 970 static HRESULT exec_setdirty(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
 971 {
 972     TRACE("(%p)->(%08x %p %p)\n", This, cmdexecopt, in, out);
 973
 974     if(!in)
 975         return S_OK;
 976
 977     if(V_VT(in) == VT_BOOL)
 978         set_dirty(This, V_BOOL(in));
 979     else
 980         FIXME("unsupported vt=%d\n", V_VT(in));
 981
 982     return S_OK;
 983 }
 984
 985 static HRESULT query_edit_status(HTMLDocument *This, OLECMD *cmd)
 986 {
 987     switch(cmd->cmdID) {
 988     case IDM_DELETE:
 989         TRACE("CGID_MSHTML: IDM_DELETE\n");
 990         cmd->cmdf = query_ns_edit_status(This, NULL);
 991         break;
 992     case IDM_FONTNAME:
 993         TRACE("CGID_MSHTML: IDM_FONTNAME\n");
 994         cmd->cmdf = query_ns_edit_status(This, NULL);
 995         break;
 996     case IDM_FONTSIZE:
 997         TRACE("CGID_MSHTML: IDM_FONTSIZE\n");
 998         cmd->cmdf = query_ns_edit_status(This, NULL);
 999         break;
1000     case IDM_BOLD:
1001         TRACE("CGID_MSHTML: IDM_BOLD\n");
1002         cmd->cmdf = query_ns_edit_status(This, NSCMD_BOLD);
1003         break;
1004     case IDM_FORECOLOR:
1005         TRACE("CGID_MSHTML: IDM_FORECOLOR\n");
1006         cmd->cmdf = query_ns_edit_status(This, NULL);
1007         break;
1008     case IDM_ITALIC:
1009         TRACE("CGID_MSHTML: IDM_ITALIC\n");
1010         cmd->cmdf = query_ns_edit_status(This, NSCMD_ITALIC);
1011         break;
1012     case IDM_UNDERLINE:
1013         TRACE("CGID_MSHTML: IDM_UNDERLINE\n");
1014         cmd->cmdf = query_ns_edit_status(This, NSCMD_UNDERLINE);
1015         break;
1016     case IDM_HORIZONTALLINE:
1017         TRACE("CGID_MSHTML: IDM_HORIZONTALLINE\n");
1018         cmd->cmdf = query_ns_edit_status(This, NULL);
1019         break;
1020     case IDM_ORDERLIST:
1021         TRACE("CGID_MSHTML: IDM_ORDERLIST\n");
1022         cmd->cmdf = query_ns_edit_status(This, NSCMD_OL);
1023         break;
1024     case IDM_UNORDERLIST:
1025         TRACE("CGID_MSHTML: IDM_HORIZONTALLINE\n");
1026         cmd->cmdf = query_ns_edit_status(This, NSCMD_UL);
1027         break;
1028     case IDM_INDENT:
1029         TRACE("CGID_MSHTML: IDM_INDENT\n");
1030         cmd->cmdf = query_ns_edit_status(This, NULL);
1031         break;
1032     case IDM_OUTDENT:
1033         TRACE("CGID_MSHTML: IDM_OUTDENT\n");
1034         cmd->cmdf = query_ns_edit_status(This, NULL);
1035         break;
1036     case IDM_HYPERLINK:
1037         TRACE("CGID_MSHTML: IDM_HYPERLINK\n");
1038         cmd->cmdf = query_ns_edit_status(This, NULL);
1039         break;
1040     }
1041
1042     return S_OK;
1043 }
1044
1045 static INT_PTR CALLBACK hyperlink_dlgproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
1046 {
1047     static const WCHAR wszOther[] = {'(','o','t','h','e','r',')',0};
1048
1049     switch (msg)
1050     {
1051         case WM_INITDIALOG:
1052         {
1053             static const WCHAR wszFile[] = {'f','i','l','e',':',0};
1054             static const WCHAR wszFtp[] = {'f','t','p',':',0};
1055             static const WCHAR wszHttp[] = {'h','t','t','p',':',0};
1056             static const WCHAR wszHttps[] = {'h','t','t','p','s',':',0};
1057             static const WCHAR wszMailto[] = {'m','a','i','l','t','o',':',0};
1058             static const WCHAR wszNews[] = {'n','e','w','s',':',0};
1059             INT def_idx;
1060             HWND hwndCB = GetDlgItem(hwnd, IDC_TYPE);
1061             HWND hwndURL = GetDlgItem(hwnd, IDC_URL);
1062             INT len;
1063
1064             SetWindowLongPtrW(hwnd, DWLP_USER, lparam);
1065
1066             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszOther);
1067             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszFile);
1068             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszFtp);
1069             def_idx = SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszHttp);
1070             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszHttps);
1071             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszMailto);
1072             SendMessageW(hwndCB, CB_INSERTSTRING, -1, (LPARAM)wszNews);
1073             SendMessageW(hwndCB, CB_SETCURSEL, def_idx, 0);
1074
1075             /* force the updating of the URL edit box */
1076             SendMessageW(hwnd, WM_COMMAND, MAKEWPARAM(IDC_TYPE, CBN_SELCHANGE), (LPARAM)hwndCB);
1077
1078             SetFocus(hwndURL);
1079             len = SendMessageW(hwndURL, WM_GETTEXTLENGTH, 0, 0);
1080             SendMessageW(hwndURL, EM_SETSEL, 0, len);
1081
1082             return FALSE;
1083         }
1084         case WM_COMMAND:
1085             switch (wparam)
1086             {
1087                 case MAKEWPARAM(IDCANCEL, BN_CLICKED):
1088                     EndDialog(hwnd, wparam);
1089                     return TRUE;
1090                 case MAKEWPARAM(IDOK, BN_CLICKED):
1091                 {
1092                     BSTR *url = (BSTR *)GetWindowLongPtrW(hwnd, DWLP_USER);
1093                     HWND hwndURL = GetDlgItem(hwnd, IDC_URL);
1094                     INT len = GetWindowTextLengthW(hwndURL);
1095                     *url = SysAllocStringLen(NULL, len + 1);
1096                     GetWindowTextW(hwndURL, *url, len + 1);
1097                     EndDialog(hwnd, wparam);
1098                     return TRUE;
1099                 }
1100                 case MAKEWPARAM(IDC_TYPE, CBN_SELCHANGE):
1101                 {
1102                     HWND hwndURL = GetDlgItem(hwnd, IDC_URL);
1103                     INT item;
1104                     INT len;
1105                     LPWSTR type;
1106                     LPWSTR url;
1107                     LPWSTR p;
1108                     static const WCHAR wszSlashSlash[] = {'/','/'};
1109
1110                     /* get string of currently selected hyperlink type */
1111                     item = SendMessageW((HWND)lparam, CB_GETCURSEL, 0, 0);
1112                     len = SendMessageW((HWND)lparam, CB_GETLBTEXTLEN, item, 0);
1113                     type = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1114                     SendMessageW((HWND)lparam, CB_GETLBTEXT, item, (LPARAM)type);
1115
1116                     if (!strcmpW(type, wszOther))
1117                         *type = '\0';
1118
1119                     /* get current URL */
1120                     len = GetWindowTextLengthW(hwndURL);
1121                     url = HeapAlloc(GetProcessHeap(), 0, (len + strlenW(type) + 3) * sizeof(WCHAR));
1122                     GetWindowTextW(hwndURL, url, len + 1);
1123
1124                     /* strip off old protocol */
1125                     p = strchrW(url, ':');
1126                     if (p && p[1] == '/' && p[2] == '/')
1127                         p += 3;
1128                     if (!p) p = url;
1129                     memmove(url + (*type != '\0' ? strlenW(type) + 2 : 0), p, (len + 1 - (p - url)) * sizeof(WCHAR));
1130
1131                     /* add new protocol */
1132                     if (*type != '\0')
1133                     {
1134                         memcpy(url, type, strlenW(type) * sizeof(WCHAR));
1135                         memcpy(url + strlenW(type), wszSlashSlash, sizeof(wszSlashSlash));
1136                     }
1137
1138                     SetWindowTextW(hwndURL, url);
1139
1140                     HeapFree(GetProcessHeap(), 0, url);
1141                     HeapFree(GetProcessHeap(), 0, type);
1142                     return TRUE;
1143                 }
1144             }
1145             return FALSE;
1146         case WM_CLOSE:
1147             EndDialog(hwnd, IDCANCEL);
1148             return TRUE;
1149         default:
1150             return FALSE;
1151     }
1152 }
1153
1154 static HRESULT exec_hyperlink(HTMLDocument *This, DWORD cmdexecopt, VARIANT *in, VARIANT *out)
1155 {
1156     BSTR url = NULL;
1157     INT ret;
1158     nsISelection *nsselection;
1159     nsIDOMDocument *nsdoc;
1160     nsresult nsres;
1161     HRESULT hres = E_FAIL;
1162
1163     TRACE("%p, 0x%x, %p, %p\n", This, cmdexecopt, in, out);
1164
1165     if (cmdexecopt == OLECMDEXECOPT_DONTPROMPTUSER)
1166     {
1167         if (!in || V_VT(in) != VT_BSTR)
1168         {
1169             WARN("invalid arg\n");
1170             return E_INVALIDARG;
1171         }
1172         url = V_BSTR(in);
1173     }
1174     else
1175     {
1176         ret = DialogBoxParamW(hInst, MAKEINTRESOURCEW(IDD_HYPERLINK), NULL /* FIXME */, hyperlink_dlgproc, (LPARAM)&url);
1177         if (ret != IDOK)
1178             return OLECMDERR_E_CANCELED;
1179     }
1180
1181     nsselection = get_ns_selection(This);
1182     if (!nsselection)
1183         return E_FAIL;
1184
1185     nsres = nsIWebNavigation_GetDocument(This->nscontainer->navigation, &nsdoc);
1186     if(NS_SUCCEEDED(nsres))
1187     {
1188         static const WCHAR wszA[] = {'a',0};
1189         static const WCHAR wszHref[] = {'h','r','e','f',0};
1190         nsIHTMLEditor *html_editor;
1191         nsIDOMNode *text_node;
1192         nsIDOMElement *anchor_elem;
1193         nsIDOMNode *unused_node;
1194         nsAString a_str;
1195         nsAString href_str;
1196         nsAString ns_url;
1197         PRBool insert_link_at_caret;
1198
1199         nsAString_Init(&a_str, wszA);
1200         nsAString_Init(&href_str, wszHref);
1201         nsAString_Init(&ns_url, url);
1202
1203         /* create an element for the link */
1204         nsIDOMDocument_CreateElement(nsdoc, &a_str, &anchor_elem);
1205         nsIDOMElement_SetAttribute(anchor_elem, &href_str, &ns_url);
1206
1207         nsAString_Finish(&href_str);
1208         nsAString_Finish(&a_str);
1209
1210         nsISelection_GetIsCollapsed(nsselection, &insert_link_at_caret);
1211
1212         /* create an element with text of URL */
1213         if (insert_link_at_caret)
1214         {
1215             nsIDOMDocument_CreateTextNode(nsdoc, &ns_url, (nsIDOMText **)&text_node);
1216
1217             /* wrap the <a> tags around the text element */
1218             nsIDOMElement_AppendChild(anchor_elem, text_node, &unused_node);
1219             nsIDOMNode_Release(text_node);
1220             nsIDOMNode_Release(unused_node);
1221         }
1222
1223         nsAString_Finish(&ns_url);
1224
1225         nsIEditor_QueryInterface(This->nscontainer->editor, &IID_nsIHTMLEditor, (void **)&html_editor);
1226         if (html_editor)
1227         {
1228             if (insert_link_at_caret)
1229             {
1230                 /* add them to the document at the caret position */
1231                 nsres = nsIHTMLEditor_InsertElementAtSelection(html_editor, anchor_elem, FALSE);
1232                 nsISelection_SelectAllChildren(nsselection, (nsIDOMNode*)anchor_elem);
1233             }
1234             else /* add them around the selection using the magic provided to us by nsIHTMLEditor */
1235                 nsres = nsIHTMLEditor_InsertLinkAroundSelection(html_editor, anchor_elem);
1236             nsIHTMLEditor_Release(html_editor);
1237         }
1238
1239         nsIDOMElement_Release(anchor_elem);
1240         nsIDOMDocument_Release(nsdoc);
1241
1242         hres = NS_SUCCEEDED(nsres) ? S_OK : E_FAIL;
1243     }
1244
1245     nsISelection_Release(nsselection);
1246
1247     if (cmdexecopt != OLECMDEXECOPT_DONTPROMPTUSER)
1248         SysFreeString(url);
1249
1250     TRACE("-- 0x%08x\n", nsres);
1251     return hres;
1252 }
1253
1254 static HRESULT query_selall_status(HTMLDocument *This, OLECMD *cmd)
1255 {
1256     TRACE("(%p)->(%p)\n", This, cmd);
1257
1258     cmd->cmdf = OLECMDF_SUPPORTED|OLECMDF_ENABLED;
1259     return S_OK;
1260 }
1261
1262 const cmdtable_t editmode_cmds[] = {
1263     {IDM_DELETE,          query_edit_status,    exec_delete},
1264     {IDM_FONTNAME,        query_edit_status,    exec_fontname},
1265     {IDM_FONTSIZE,        query_edit_status,    exec_fontsize},
1266     {IDM_SELECTALL,       query_selall_status , exec_selectall},
1267     {IDM_FORECOLOR,       query_edit_status,    exec_forecolor},
1268     {IDM_BOLD,            query_edit_status,    exec_bold},
1269     {IDM_ITALIC,          query_edit_status,    exec_italic},
1270     {IDM_JUSTIFYCENTER,   query_justify,        exec_justifycenter},
1271     {IDM_JUSTIFYRIGHT,    query_justify,        exec_justifyright},
1272     {IDM_JUSTIFYLEFT,     query_justify,        exec_justifyleft},
1273     {IDM_FONT,            NULL,                 exec_font},
1274     {IDM_UNDERLINE,       query_edit_status,    exec_underline},
1275     {IDM_HORIZONTALLINE,  query_edit_status,    exec_horizontalline},
1276     {IDM_ORDERLIST,       query_edit_status,    exec_orderlist},
1277     {IDM_UNORDERLIST,     query_edit_status,    exec_unorderlist},
1278     {IDM_INDENT,          query_edit_status,    exec_indent},
1279     {IDM_OUTDENT,         query_edit_status,    exec_outdent},
1280     {IDM_COMPOSESETTINGS, NULL,                 exec_composesettings},
1281     {IDM_HYPERLINK,       query_edit_status,    exec_hyperlink},
1282     {IDM_SETDIRTY,        NULL,                 exec_setdirty},
1283     {0,NULL,NULL}
1284 };
1285
1286 void init_editor(HTMLDocument *This)
1287 {
1288     update_doc(This, UPDATE_UI);
1289
1290     if(!This->nscontainer)
1291         return;
1292
1293     set_ns_fontname(This->nscontainer, "Times New Roman");
1294 }
1295
1296 HRESULT editor_is_dirty(HTMLDocument *This)
1297 {
1298     PRBool modified;
1299
1300     if(!This->nscontainer || !This->nscontainer->editor)
1301         return S_FALSE;
1302
1303     nsIEditor_GetDocumentModified(This->nscontainer->editor, &modified);
1304
1305     return modified ? S_OK : S_FALSE;
1306 }