programs/winhlp32/winhelp.c

   1 /*
   2  * Help Viewer
   3  *
   4  * Copyright    1996 Ulrich Schmid <uschmid@mail.hh.provi.de>
   5  *              2002 Sylvain Petreolle <spetreolle@yahoo.fr>
   6  *              2002, 2008 Eric Pouech <eric.pouech@wanadoo.fr>
   7  *              2004 Ken Belleau <jamez@ivic.qc.ca>
   8  *              2008 Kirill K. Smirnov <lich@math.spbu.ru>
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include <assert.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <stdarg.h>
  29 #include <stdlib.h>
  30
  31 #define NONAMELESSUNION
  32 #define NONAMELESSSTRUCT
  33
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "wingdi.h"
  37 #include "winuser.h"
  38 #include "commdlg.h"
  39 #include "winhelp.h"
  40 #include "winhelp_res.h"
  41 #include "shellapi.h"
  42 #include "richedit.h"
  43 #include "commctrl.h"
  44
  45 #include "wine/debug.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
  48
  49 WINHELP_GLOBALS Globals = {3, NULL, TRUE, NULL, NULL, NULL, NULL, NULL, {{{NULL,NULL}},0}, NULL};
  50
  51 #define CTL_ID_BUTTON   0x700
  52 #define CTL_ID_TEXT     0x701
  53
  54
  55 /***********************************************************************
  56  *
  57  *           WINHELP_InitFonts
  58  */
  59 static void WINHELP_InitFonts(HWND hWnd)
  60 {
  61     WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
  62     LOGFONT logfontlist[] = {
  63         {-10, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
  64         {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
  65         {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
  66         {-12, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
  67         {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
  68         {-10, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
  69         { -8, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"}};
  70 #define FONTS_LEN (sizeof(logfontlist)/sizeof(*logfontlist))
  71
  72     static HFONT fonts[FONTS_LEN];
  73     static BOOL init = 0;
  74
  75     win->fonts_len = FONTS_LEN;
  76     win->fonts = fonts;
  77
  78     if (!init)
  79     {
  80         UINT i;
  81
  82         for (i = 0; i < FONTS_LEN; i++)
  83         {
  84             fonts[i] = CreateFontIndirect(&logfontlist[i]);
  85         }
  86
  87         init = 1;
  88     }
  89 }
  90
  91 static DWORD CALLBACK WINHELP_RtfStreamIn(DWORD_PTR cookie, BYTE* buff,
  92                                           LONG cb, LONG* pcb)
  93 {
  94     struct RtfData*     rd = (struct RtfData*)cookie;
  95
  96     if (rd->where >= rd->ptr) return 1;
  97     if (rd->where + cb > rd->ptr)
  98         cb = rd->ptr - rd->where;
  99     memcpy(buff, rd->where, cb);
 100     rd->where += cb;
 101     *pcb = cb;
 102     return 0;
 103 }
 104
 105 static void WINHELP_SetupText(HWND hTextWnd, WINHELP_WINDOW* win, ULONG relative)
 106 {
 107     /* At first clear area - needed by EM_POSFROMCHAR/EM_SETSCROLLPOS */
 108     SendMessage(hTextWnd, WM_SETTEXT, 0, (LPARAM)"");
 109     SendMessage(hTextWnd, WM_SETREDRAW, FALSE, 0);
 110     SendMessage(hTextWnd, EM_SETBKGNDCOLOR, 0, (LPARAM)win->info->sr_color);
 111     /* set word-wrap to window size (undocumented) */
 112     SendMessage(hTextWnd, EM_SETTARGETDEVICE, 0, 0);
 113     if (win->page)
 114     {
 115         struct RtfData  rd;
 116         EDITSTREAM      es;
 117         unsigned        cp = 0;
 118         POINTL          ptl;
 119         POINT           pt;
 120
 121
 122         if (HLPFILE_BrowsePage(win->page, &rd, win->font_scale, relative))
 123         {
 124             rd.where = rd.data;
 125             es.dwCookie = (DWORD_PTR)&rd;
 126             es.dwError = 0;
 127             es.pfnCallback = WINHELP_RtfStreamIn;
 128
 129             SendMessageW(hTextWnd, EM_STREAMIN, SF_RTF, (LPARAM)&es);
 130             cp = rd.char_pos_rel;
 131         }
 132         /* FIXME: else leaking potentially the rd.first_link chain */
 133         HeapFree(GetProcessHeap(), 0, rd.data);
 134         SendMessage(hTextWnd, EM_POSFROMCHAR, (WPARAM)&ptl, cp ? cp - 1 : 0);
 135         pt.x = 0; pt.y = ptl.y;
 136         SendMessage(hTextWnd, EM_SETSCROLLPOS, 0, (LPARAM)&pt);
 137     }
 138     SendMessage(hTextWnd, WM_SETREDRAW, TRUE, 0);
 139     RedrawWindow(hTextWnd, NULL, NULL, RDW_FRAME|RDW_INVALIDATE);
 140 }
 141
 142 /***********************************************************************
 143  *
 144  *           WINHELP_GetOpenFileName
 145  */
 146 BOOL WINHELP_GetOpenFileName(LPSTR lpszFile, int len)
 147 {
 148     OPENFILENAME openfilename;
 149     CHAR szDir[MAX_PATH];
 150     CHAR szzFilter[2 * MAX_STRING_LEN + 100];
 151     LPSTR p = szzFilter;
 152
 153     WINE_TRACE("()\n");
 154
 155     LoadString(Globals.hInstance, STID_HELP_FILES_HLP, p, MAX_STRING_LEN);
 156     p += strlen(p) + 1;
 157     lstrcpy(p, "*.hlp");
 158     p += strlen(p) + 1;
 159     LoadString(Globals.hInstance, STID_ALL_FILES, p, MAX_STRING_LEN);
 160     p += strlen(p) + 1;
 161     lstrcpy(p, "*.*");
 162     p += strlen(p) + 1;
 163     *p = '\0';
 164
 165     GetCurrentDirectory(sizeof(szDir), szDir);
 166
 167     lpszFile[0]='\0';
 168
 169     openfilename.lStructSize       = sizeof(OPENFILENAME);
 170     openfilename.hwndOwner         = (Globals.active_win ? Globals.active_win->hMainWnd : 0);
 171     openfilename.hInstance         = Globals.hInstance;
 172     openfilename.lpstrFilter       = szzFilter;
 173     openfilename.lpstrCustomFilter = 0;
 174     openfilename.nMaxCustFilter    = 0;
 175     openfilename.nFilterIndex      = 1;
 176     openfilename.lpstrFile         = lpszFile;
 177     openfilename.nMaxFile          = len;
 178     openfilename.lpstrFileTitle    = 0;
 179     openfilename.nMaxFileTitle     = 0;
 180     openfilename.lpstrInitialDir   = szDir;
 181     openfilename.lpstrTitle        = 0;
 182     openfilename.Flags             = OFN_ENABLESIZING;
 183     openfilename.nFileOffset       = 0;
 184     openfilename.nFileExtension    = 0;
 185     openfilename.lpstrDefExt       = 0;
 186     openfilename.lCustData         = 0;
 187     openfilename.lpfnHook          = 0;
 188     openfilename.lpTemplateName    = 0;
 189
 190     return GetOpenFileName(&openfilename);
 191 }
 192
 193 /***********************************************************************
 194  *
 195  *           WINHELP_MessageBoxIDS_s
 196  */
 197 static INT WINHELP_MessageBoxIDS_s(UINT ids_text, LPCSTR str, UINT ids_title, WORD type)
 198 {
 199     CHAR text[MAX_STRING_LEN];
 200     CHAR newtext[MAX_STRING_LEN + MAX_PATH];
 201
 202     LoadString(Globals.hInstance, ids_text, text, sizeof(text));
 203     wsprintf(newtext, text, str);
 204
 205     return MessageBox(0, newtext, MAKEINTRESOURCE(ids_title), type);
 206 }
 207
 208 /***********************************************************************
 209  *
 210  *           WINHELP_LookupHelpFile
 211  */
 212 HLPFILE* WINHELP_LookupHelpFile(LPCSTR lpszFile)
 213 {
 214     HLPFILE*        hlpfile;
 215     char szFullName[MAX_PATH];
 216     char szAddPath[MAX_PATH];
 217     char *p;
 218
 219     /*
 220      * NOTE: This is needed by popup windows only.
 221      * In other cases it's not needed but does not hurt though.
 222      */
 223     if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
 224     {
 225         strcpy(szAddPath, Globals.active_win->page->file->lpszPath);
 226         p = strrchr(szAddPath, '\\');
 227         if (p) *p = 0;
 228     }
 229
 230     /*
 231      * FIXME: Should we swap conditions?
 232      */
 233     if (!SearchPath(NULL, lpszFile, ".hlp", MAX_PATH, szFullName, NULL) &&
 234         !SearchPath(szAddPath, lpszFile, ".hlp", MAX_PATH, szFullName, NULL))
 235     {
 236         if (WINHELP_MessageBoxIDS_s(STID_FILE_NOT_FOUND_s, lpszFile, STID_WHERROR,
 237                                     MB_YESNO|MB_ICONQUESTION) != IDYES)
 238             return NULL;
 239         if (!WINHELP_GetOpenFileName(szFullName, MAX_PATH))
 240             return NULL;
 241     }
 242     hlpfile = HLPFILE_ReadHlpFile(szFullName);
 243     if (!hlpfile)
 244         WINHELP_MessageBoxIDS_s(STID_HLPFILE_ERROR_s, lpszFile,
 245                                 STID_WHERROR, MB_OK|MB_ICONSTOP);
 246     return hlpfile;
 247 }
 248
 249 /******************************************************************
 250  *              WINHELP_GetWindowInfo
 251  *
 252  *
 253  */
 254 HLPFILE_WINDOWINFO*     WINHELP_GetWindowInfo(HLPFILE* hlpfile, LPCSTR name)
 255 {
 256     static      HLPFILE_WINDOWINFO      mwi;
 257     unsigned int     i;
 258
 259     if (!name || !name[0])
 260         name = Globals.active_win->info->name;
 261
 262     if (hlpfile)
 263         for (i = 0; i < hlpfile->numWindows; i++)
 264             if (!lstrcmpi(hlpfile->windows[i].name, name))
 265                 return &hlpfile->windows[i];
 266
 267     if (strcmp(name, "main") != 0)
 268     {
 269         WINE_FIXME("Couldn't find window info for %s\n", name);
 270         assert(0);
 271         return NULL;
 272     }
 273     if (!mwi.name[0])
 274     {
 275         strcpy(mwi.type, "primary");
 276         strcpy(mwi.name, "main");
 277         if (hlpfile && hlpfile->lpszTitle[0])
 278         {
 279             char        tmp[128];
 280             LoadString(Globals.hInstance, STID_WINE_HELP, tmp, sizeof(tmp));
 281             snprintf(mwi.caption, sizeof(mwi.caption), "%s %s - %s",
 282                      hlpfile->lpszTitle, tmp, hlpfile->lpszPath);
 283         }
 284         else
 285             LoadString(Globals.hInstance, STID_WINE_HELP, mwi.caption, sizeof(mwi.caption));
 286         mwi.origin.x = mwi.origin.y = mwi.size.cx = mwi.size.cy = CW_USEDEFAULT;
 287         mwi.style = SW_SHOW;
 288         mwi.win_style = WS_OVERLAPPEDWINDOW;
 289         mwi.sr_color = mwi.nsr_color = 0xFFFFFF;
 290     }
 291     return &mwi;
 292 }
 293
 294 /******************************************************************
 295  *              HLPFILE_GetPopupWindowInfo
 296  *
 297  *
 298  */
 299 static HLPFILE_WINDOWINFO*     WINHELP_GetPopupWindowInfo(HLPFILE* hlpfile,
 300                                                           WINHELP_WINDOW* parent, LPARAM mouse)
 301 {
 302     static      HLPFILE_WINDOWINFO      wi;
 303
 304     RECT parent_rect;
 305
 306     wi.type[0] = wi.name[0] = wi.caption[0] = '\0';
 307
 308     /* Calculate horizontal size and position of a popup window */
 309     GetWindowRect(parent->hMainWnd, &parent_rect);
 310     wi.size.cx = (parent_rect.right  - parent_rect.left) / 2;
 311     wi.size.cy = 10; /* need a non null value, so that border are taken into account while computing */
 312
 313     wi.origin.x = (short)LOWORD(mouse);
 314     wi.origin.y = (short)HIWORD(mouse);
 315     ClientToScreen(parent->hMainWnd, &wi.origin);
 316     wi.origin.x -= wi.size.cx / 2;
 317     wi.origin.x  = min(wi.origin.x, GetSystemMetrics(SM_CXSCREEN) - wi.size.cx);
 318     wi.origin.x  = max(wi.origin.x, 0);
 319
 320     wi.style = SW_SHOW;
 321     wi.win_style = WS_POPUP | WS_BORDER;
 322     if (parent->page->file->has_popup_color)
 323         wi.sr_color = parent->page->file->popup_color;
 324     else
 325         wi.sr_color = parent->info->sr_color;
 326     wi.nsr_color = 0xFFFFFF;
 327
 328     return &wi;
 329 }
 330
 331 typedef struct
 332 {
 333     WORD size;
 334     WORD command;
 335     LONG data;
 336     LONG reserved;
 337     WORD ofsFilename;
 338     WORD ofsData;
 339 } WINHELP,*LPWINHELP;
 340
 341 static BOOL WINHELP_HasWorkingWindow(void)
 342 {
 343     if (!Globals.active_win) return FALSE;
 344     if (Globals.active_win->next || Globals.win_list != Globals.active_win) return TRUE;
 345     return Globals.active_win->page != NULL && Globals.active_win->page->file != NULL;
 346 }
 347
 348 /******************************************************************
 349  *              WINHELP_HandleCommand
 350  *
 351  *
 352  */
 353 static LRESULT  WINHELP_HandleCommand(HWND hSrcWnd, LPARAM lParam)
 354 {
 355     COPYDATASTRUCT*     cds = (COPYDATASTRUCT*)lParam;
 356     WINHELP*            wh;
 357
 358     if (cds->dwData != 0xA1DE505)
 359     {
 360         WINE_FIXME("Wrong magic number (%08lx)\n", cds->dwData);
 361         return 0;
 362     }
 363
 364     wh = cds->lpData;
 365
 366     if (wh)
 367     {
 368         char*   ptr = (wh->ofsFilename) ? (LPSTR)wh + wh->ofsFilename : NULL;
 369
 370         WINE_TRACE("Got[%u]: cmd=%u data=%08x fn=%s\n",
 371                    wh->size, wh->command, wh->data, ptr);
 372         switch (wh->command)
 373         {
 374         case HELP_CONTEXT:
 375             if (ptr)
 376             {
 377                 MACRO_JumpContext(ptr, "main", wh->data);
 378             }
 379             if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
 380             break;
 381         case HELP_QUIT:
 382             MACRO_Exit();
 383             break;
 384         case HELP_CONTENTS:
 385             if (ptr)
 386             {
 387                 MACRO_JumpContents(ptr, "main");
 388             }
 389             if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
 390             break;
 391         case HELP_HELPONHELP:
 392             MACRO_HelpOn();
 393             if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
 394             break;
 395         /* case HELP_SETINDEX: */
 396         case HELP_SETCONTENTS:
 397             if (ptr)
 398             {
 399                 MACRO_SetContents(ptr, wh->data);
 400             }
 401             break;
 402         case HELP_CONTEXTPOPUP:
 403             if (ptr)
 404             {
 405                 MACRO_PopupContext(ptr, wh->data);
 406             }
 407             break;
 408         /* case HELP_FORCEFILE:*/
 409         /* case HELP_CONTEXTMENU: */
 410         case HELP_FINDER:
 411             /* in fact, should be the topic dialog box */
 412             WINE_FIXME("HELP_FINDER: stub\n");
 413             if (ptr)
 414             {
 415                 MACRO_JumpHash(ptr, "main", 0);
 416             }
 417             break;
 418         /* case HELP_WM_HELP: */
 419         /* case HELP_SETPOPUP_POS: */
 420         /* case HELP_KEY: */
 421         /* case HELP_COMMAND: */
 422         /* case HELP_PARTIALKEY: */
 423         /* case HELP_MULTIKEY: */
 424         /* case HELP_SETWINPOS: */
 425         default:
 426             WINE_FIXME("Unhandled command (%x) for remote winhelp control\n", wh->command);
 427             break;
 428         }
 429     }
 430     /* Always return success for now */
 431     return 1;
 432 }
 433
 434 void            WINHELP_LayoutMainWindow(WINHELP_WINDOW* win)
 435 {
 436     RECT        rect, button_box_rect;
 437     INT         text_top = 0;
 438     HWND        hButtonBoxWnd = GetDlgItem(win->hMainWnd, CTL_ID_BUTTON);
 439     HWND        hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
 440
 441     GetClientRect(win->hMainWnd, &rect);
 442
 443     /* Update button box and text Window */
 444     SetWindowPos(hButtonBoxWnd, HWND_TOP,
 445                  rect.left, rect.top,
 446                  rect.right - rect.left,
 447                  rect.bottom - rect.top, 0);
 448
 449     if (GetWindowRect(hButtonBoxWnd, &button_box_rect))
 450         text_top = rect.top + button_box_rect.bottom - button_box_rect.top;
 451
 452     SetWindowPos(hTextWnd, HWND_TOP,
 453                  rect.left, text_top,
 454                  rect.right - rect.left,
 455                  rect.bottom - text_top, 0);
 456
 457 }
 458
 459 /******************************************************************
 460  *              WINHELP_DeleteButtons
 461  *
 462  */
 463 static void WINHELP_DeleteButtons(WINHELP_WINDOW* win)
 464 {
 465     WINHELP_BUTTON*     b;
 466     WINHELP_BUTTON*     bp;
 467
 468     for (b = win->first_button; b; b = bp)
 469     {
 470         DestroyWindow(b->hWnd);
 471         bp = b->next;
 472         HeapFree(GetProcessHeap(), 0, b);
 473     }
 474     win->first_button = NULL;
 475 }
 476
 477 /******************************************************************
 478  *              WINHELP_DeleteBackSet
 479  *
 480  */
 481 void WINHELP_DeleteBackSet(WINHELP_WINDOW* win)
 482 {
 483     unsigned int i;
 484
 485     for (i = 0; i < win->back.index; i++)
 486     {
 487         HLPFILE_FreeHlpFile(win->back.set[i].page->file);
 488         win->back.set[i].page = NULL;
 489     }
 490     win->back.index = 0;
 491 }
 492
 493 /******************************************************************
 494  *             WINHELP_DeletePageLinks
 495  *
 496  */
 497 static void WINHELP_DeletePageLinks(HLPFILE_PAGE* page)
 498 {
 499     HLPFILE_LINK*       curr;
 500     HLPFILE_LINK*       next;
 501
 502     for (curr = page->first_link; curr; curr = next)
 503     {
 504         next = curr->next;
 505         HeapFree(GetProcessHeap(), 0, curr);
 506     }
 507 }
 508
 509 /***********************************************************************
 510  *
 511  *           WINHELP_GrabWindow
 512  */
 513 WINHELP_WINDOW* WINHELP_GrabWindow(WINHELP_WINDOW* win)
 514 {
 515     WINE_TRACE("Grab %p#%d++\n", win, win->ref_count);
 516     win->ref_count++;
 517     return win;
 518 }
 519
 520 /***********************************************************************
 521  *
 522  *           WINHELP_RelaseWindow
 523  */
 524 BOOL WINHELP_ReleaseWindow(WINHELP_WINDOW* win)
 525 {
 526     WINE_TRACE("Release %p#%d--\n", win, win->ref_count);
 527
 528     if (!--win->ref_count)
 529     {
 530         DestroyWindow(win->hMainWnd);
 531         return FALSE;
 532     }
 533     return TRUE;
 534 }
 535
 536 /***********************************************************************
 537  *
 538  *           WINHELP_DeleteWindow
 539  */
 540 static void WINHELP_DeleteWindow(WINHELP_WINDOW* win)
 541 {
 542     WINHELP_WINDOW**    w;
 543     BOOL bExit;
 544
 545     for (w = &Globals.win_list; *w; w = &(*w)->next)
 546     {
 547         if (*w == win)
 548         {
 549             *w = win->next;
 550             break;
 551         }
 552     }
 553     bExit = (Globals.wVersion >= 4 && !lstrcmpi(win->info->name, "main"));
 554
 555     if (Globals.active_win == win)
 556     {
 557         Globals.active_win = Globals.win_list;
 558         if (Globals.win_list)
 559             SetActiveWindow(Globals.win_list->hMainWnd);
 560     }
 561
 562     if (win == Globals.active_popup)
 563         Globals.active_popup = NULL;
 564
 565     WINHELP_DeleteButtons(win);
 566
 567     if (win->page) WINHELP_DeletePageLinks(win->page);
 568     if (win->hShadowWnd) DestroyWindow(win->hShadowWnd);
 569     if (win->hHistoryWnd) DestroyWindow(win->hHistoryWnd);
 570
 571     DeleteObject(win->hBrush);
 572
 573     WINHELP_DeleteBackSet(win);
 574
 575     if (win->page) HLPFILE_FreeHlpFile(win->page->file);
 576     HeapFree(GetProcessHeap(), 0, win);
 577
 578     if (bExit) MACRO_Exit();
 579     if (!Globals.win_list)
 580         PostQuitMessage(0);
 581 }
 582
 583 static char* WINHELP_GetCaption(WINHELP_WNDPAGE* wpage)
 584 {
 585     if (wpage->wininfo->caption[0]) return wpage->wininfo->caption;
 586     return wpage->page->file->lpszTitle;
 587 }
 588
 589 static void WINHELP_RememberPage(WINHELP_WINDOW* win, WINHELP_WNDPAGE* wpage)
 590 {
 591     unsigned        num;
 592
 593     if (!Globals.history.index || Globals.history.set[0].page != wpage->page)
 594     {
 595         num = sizeof(Globals.history.set) / sizeof(Globals.history.set[0]);
 596         /* we're full, remove latest entry */
 597         if (Globals.history.index == num)
 598         {
 599             HLPFILE_FreeHlpFile(Globals.history.set[num - 1].page->file);
 600             Globals.history.index--;
 601         }
 602         memmove(&Globals.history.set[1], &Globals.history.set[0],
 603                 Globals.history.index * sizeof(Globals.history.set[0]));
 604         Globals.history.set[0] = *wpage;
 605         Globals.history.index++;
 606         wpage->page->file->wRefCount++;
 607     }
 608     if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
 609
 610     num = sizeof(win->back.set) / sizeof(win->back.set[0]);
 611     if (win->back.index == num)
 612     {
 613         /* we're full, remove latest entry */
 614         HLPFILE_FreeHlpFile(win->back.set[0].page->file);
 615         memmove(&win->back.set[0], &win->back.set[1],
 616                 (num - 1) * sizeof(win->back.set[0]));
 617         win->back.index--;
 618     }
 619     win->back.set[win->back.index++] = *wpage;
 620     wpage->page->file->wRefCount++;
 621 }
 622
 623 /***********************************************************************
 624  *
 625  *           WINHELP_FindLink
 626  */
 627 static HLPFILE_LINK* WINHELP_FindLink(WINHELP_WINDOW* win, LPARAM pos)
 628 {
 629     HLPFILE_LINK*           link;
 630     POINTL                  mouse_ptl, char_ptl, char_next_ptl;
 631     DWORD                   cp;
 632
 633     if (!win->page) return NULL;
 634
 635     mouse_ptl.x = (short)LOWORD(pos);
 636     mouse_ptl.y = (short)HIWORD(pos);
 637     cp = SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_CHARFROMPOS,
 638                       0, (LPARAM)&mouse_ptl);
 639
 640     for (link = win->page->first_link; link; link = link->next)
 641     {
 642         if (link->cpMin <= cp && cp <= link->cpMax)
 643         {
 644             /* check whether we're at end of line */
 645             SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
 646                          (LPARAM)&char_ptl, cp);
 647             SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
 648                          (LPARAM)&char_next_ptl, cp + 1);
 649             if (link->bHotSpot)
 650             {
 651                 HLPFILE_HOTSPOTLINK*    hslink = (HLPFILE_HOTSPOTLINK*)link;
 652                 if ((mouse_ptl.x < char_ptl.x + hslink->x) ||
 653                     (mouse_ptl.x >= char_ptl.x + hslink->x + hslink->width) ||
 654                     (mouse_ptl.y < char_ptl.y + hslink->y) ||
 655                     (mouse_ptl.y >= char_ptl.y + hslink->y + hslink->height))
 656                     continue;
 657                 break;
 658             }
 659             if (char_next_ptl.y != char_ptl.y || mouse_ptl.x >= char_next_ptl.x)
 660                 link = NULL;
 661             break;
 662         }
 663     }
 664     return link;
 665 }
 666
 667 static LRESULT CALLBACK WINHELP_RicheditWndProc(HWND hWnd, UINT msg,
 668                                                 WPARAM wParam, LPARAM lParam)
 669 {
 670     WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtr(GetParent(hWnd), 0);
 671     DWORD messagePos;
 672     POINT pt;
 673     switch(msg)
 674     {
 675         case WM_SETCURSOR:
 676             messagePos = GetMessagePos();
 677             pt.x = (short)LOWORD(messagePos);
 678             pt.y = (short)HIWORD(messagePos);
 679             ScreenToClient(hWnd, &pt);
 680             if (win->page && WINHELP_FindLink(win, MAKELPARAM(pt.x, pt.y)))
 681             {
 682                 SetCursor(win->hHandCur);
 683                 return 0;
 684             }
 685             /* fall through */
 686         default:
 687             return CallWindowProcA(win->origRicheditWndProc, hWnd, msg, wParam, lParam);
 688     }
 689 }
 690
 691 /***********************************************************************
 692  *
 693  *           WINHELP_CreateHelpWindow
 694  */
 695 BOOL WINHELP_CreateHelpWindow(WINHELP_WNDPAGE* wpage, int nCmdShow, BOOL remember)
 696 {
 697     WINHELP_WINDOW*     win = NULL;
 698     BOOL                bPrimary, bPopup, bReUsed = FALSE;
 699     HICON               hIcon;
 700     HWND                hTextWnd = NULL;
 701
 702     bPrimary = !lstrcmpi(wpage->wininfo->name, "main");
 703     bPopup = !bPrimary && (wpage->wininfo->win_style & WS_POPUP);
 704
 705     if (!bPopup)
 706     {
 707         for (win = Globals.win_list; win; win = win->next)
 708         {
 709             if (!lstrcmpi(win->info->name, wpage->wininfo->name))
 710             {
 711                 POINT   pt = {0, 0};
 712                 SIZE    sz = {0, 0};
 713                 DWORD   flags = SWP_NOSIZE | SWP_NOMOVE;
 714
 715                 WINHELP_DeleteButtons(win);
 716                 bReUsed = TRUE;
 717                 SetWindowText(win->hMainWnd, WINHELP_GetCaption(wpage));
 718                 if (wpage->wininfo->origin.x != CW_USEDEFAULT &&
 719                     wpage->wininfo->origin.y != CW_USEDEFAULT)
 720                 {
 721                     pt = wpage->wininfo->origin;
 722                     flags &= ~SWP_NOSIZE;
 723                 }
 724                 if (wpage->wininfo->size.cx != CW_USEDEFAULT &&
 725                     wpage->wininfo->size.cy != CW_USEDEFAULT)
 726                 {
 727                     sz = wpage->wininfo->size;
 728                     flags &= ~SWP_NOMOVE;
 729                 }
 730                 SetWindowPos(win->hMainWnd, HWND_TOP, pt.x, pt.y, sz.cx, sz.cy, flags);
 731
 732                 if (wpage->page && win->page && wpage->page->file != win->page->file)
 733                     WINHELP_DeleteBackSet(win);
 734                 WINHELP_InitFonts(win->hMainWnd);
 735
 736                 win->page = wpage->page;
 737                 win->info = wpage->wininfo;
 738                 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
 739                 WINHELP_SetupText(hTextWnd, win, wpage->relative);
 740
 741                 InvalidateRect(win->hMainWnd, NULL, TRUE);
 742                 if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
 743
 744                 break;
 745             }
 746         }
 747     }
 748
 749     if (!win)
 750     {
 751         /* Initialize WINHELP_WINDOW struct */
 752         win = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINHELP_WINDOW));
 753         if (!win) return FALSE;
 754         win->next = Globals.win_list;
 755         Globals.win_list = win;
 756
 757         win->hHandCur = LoadCursorW(0, (LPWSTR)IDC_HAND);
 758         win->back.index = 0;
 759         win->font_scale = 1;
 760         WINHELP_GrabWindow(win);
 761     }
 762     win->page = wpage->page;
 763     win->info = wpage->wininfo;
 764     WINHELP_GrabWindow(win);
 765
 766     if (!bPopup && wpage->page && remember)
 767     {
 768         WINHELP_RememberPage(win, wpage);
 769     }
 770
 771     if (bPopup)
 772         Globals.active_popup = win;
 773     else
 774         Globals.active_win = win;
 775
 776     /* Initialize default pushbuttons */
 777     if (bPrimary && wpage->page)
 778     {
 779         CHAR    buffer[MAX_STRING_LEN];
 780
 781         LoadString(Globals.hInstance, STID_CONTENTS, buffer, sizeof(buffer));
 782         MACRO_CreateButton("BTN_CONTENTS", buffer, "Contents()");
 783         LoadString(Globals.hInstance, STID_INDEX, buffer, sizeof(buffer));
 784         MACRO_CreateButton("BTN_INDEX", buffer, "Finder()");
 785         LoadString(Globals.hInstance, STID_BACK, buffer, sizeof(buffer));
 786         MACRO_CreateButton("BTN_BACK", buffer, "Back()");
 787         if (win->back.index <= 1) MACRO_DisableButton("BTN_BACK");
 788     }
 789
 790     if (!bReUsed)
 791     {
 792         win->hMainWnd = CreateWindowEx((bPopup) ? WS_EX_TOOLWINDOW : 0, MAIN_WIN_CLASS_NAME,
 793                                        WINHELP_GetCaption(wpage),
 794                                        bPrimary ? WS_OVERLAPPEDWINDOW : wpage->wininfo->win_style,
 795                                        wpage->wininfo->origin.x, wpage->wininfo->origin.y,
 796                                        wpage->wininfo->size.cx, wpage->wininfo->size.cy,
 797                                        bPopup ? Globals.active_win->hMainWnd : NULL,
 798                                        bPrimary ? LoadMenu(Globals.hInstance, MAKEINTRESOURCE(MAIN_MENU)) : 0,
 799                                        Globals.hInstance, win);
 800         if (!bPopup)
 801             /* Create button box and text Window */
 802             CreateWindow(BUTTON_BOX_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
 803                          0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_BUTTON, Globals.hInstance, NULL);
 804
 805         hTextWnd = CreateWindow(RICHEDIT_CLASS, NULL,
 806                                 ES_MULTILINE | ES_READONLY | WS_CHILD | WS_HSCROLL | WS_VSCROLL | WS_VISIBLE,
 807                                 0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_TEXT, Globals.hInstance, NULL);
 808         SendMessage(hTextWnd, EM_SETEVENTMASK, 0,
 809                     SendMessage(hTextWnd, EM_GETEVENTMASK, 0, 0) | ENM_MOUSEEVENTS);
 810         win->origRicheditWndProc = (WNDPROC)SetWindowLongPtr(hTextWnd, GWLP_WNDPROC,
 811                                                              (LONG_PTR)WINHELP_RicheditWndProc);
 812     }
 813
 814     hIcon = (wpage->page) ? wpage->page->file->hIcon : NULL;
 815     if (!hIcon) hIcon = LoadIcon(Globals.hInstance, MAKEINTRESOURCE(IDI_WINHELP));
 816     SendMessage(win->hMainWnd, WM_SETICON, ICON_SMALL, (DWORD_PTR)hIcon);
 817
 818     /* Initialize file specific pushbuttons */
 819     if (!(wpage->wininfo->win_style & WS_POPUP) && wpage->page)
 820     {
 821         HLPFILE_MACRO  *macro;
 822         for (macro = wpage->page->file->first_macro; macro; macro = macro->next)
 823             MACRO_ExecuteMacro(win, macro->lpszMacro);
 824
 825         for (macro = wpage->page->first_macro; macro; macro = macro->next)
 826             MACRO_ExecuteMacro(win, macro->lpszMacro);
 827     }
 828     /* See #17681, in some cases, the newly created window is closed by the macros it contains
 829      * (braindead), so deal with this case
 830      */
 831     for (win = Globals.win_list; win; win = win->next)
 832     {
 833         if (!lstrcmpi(win->info->name, wpage->wininfo->name)) break;
 834     }
 835     if (!win || !WINHELP_ReleaseWindow(win)) return TRUE;
 836
 837     if (bPopup)
 838     {
 839         DWORD   mask = SendMessage(hTextWnd, EM_GETEVENTMASK, 0, 0);
 840         RECT    rect;
 841
 842         win->font_scale = Globals.active_win->font_scale;
 843         WINHELP_SetupText(hTextWnd, win, wpage->relative);
 844
 845         /* we need the window to be shown for richedit to compute the size */
 846         ShowWindow(win->hMainWnd, nCmdShow);
 847         SendMessage(hTextWnd, EM_SETEVENTMASK, 0, mask | ENM_REQUESTRESIZE);
 848         SendMessage(hTextWnd, EM_REQUESTRESIZE, 0, 0);
 849         SendMessage(hTextWnd, EM_SETEVENTMASK, 0, mask);
 850
 851         GetWindowRect(win->hMainWnd, &rect);
 852         win->hShadowWnd = CreateWindowEx(WS_EX_TOOLWINDOW, SHADOW_WIN_CLASS_NAME,
 853                                          "", WS_POPUP | WS_VISIBLE,
 854                                          rect.left + SHADOW_DX, rect.top + SHADOW_DY,
 855                                          rect.right - rect.left,
 856                                          rect.bottom - rect.top,
 857                                          Globals.active_win->hMainWnd, 0,
 858                                          Globals.hInstance, NULL);
 859         SetWindowPos(win->hMainWnd, win->hShadowWnd, 0, 0, 0, 0,
 860                      SWP_NOSIZE | SWP_NOMOVE);
 861     }
 862     else
 863     {
 864         WINHELP_SetupText(hTextWnd, win, wpage->relative);
 865         WINHELP_LayoutMainWindow(win);
 866         ShowWindow(win->hMainWnd, nCmdShow);
 867     }
 868
 869     return TRUE;
 870 }
 871
 872 /******************************************************************
 873  *             WINHELP_OpenHelpWindow
 874  * Main function to search for a page and display it in a window
 875  */
 876 BOOL WINHELP_OpenHelpWindow(HLPFILE_PAGE* (*lookup)(HLPFILE*, LONG, ULONG*),
 877                             HLPFILE* hlpfile, LONG val, HLPFILE_WINDOWINFO* wi,
 878                             int nCmdShow)
 879 {
 880     WINHELP_WNDPAGE     wpage;
 881
 882     wpage.page = lookup(hlpfile, val, &wpage.relative);
 883     if (wpage.page) wpage.page->file->wRefCount++;
 884     wpage.wininfo = wi;
 885     return WINHELP_CreateHelpWindow(&wpage, nCmdShow, TRUE);
 886 }
 887
 888 /******************************************************************
 889  *             WINHELP_HandleTextMouse
 890  *
 891  */
 892 static BOOL WINHELP_HandleTextMouse(WINHELP_WINDOW* win, UINT msg, LPARAM lParam)
 893 {
 894     HLPFILE*                hlpfile;
 895     HLPFILE_LINK*           link;
 896     BOOL                    ret = FALSE;
 897
 898     switch (msg)
 899     {
 900     case WM_LBUTTONDOWN:
 901         if ((link = WINHELP_FindLink(win, lParam)))
 902         {
 903             HLPFILE_WINDOWINFO*     wi;
 904
 905             switch (link->cookie)
 906             {
 907             case hlp_link_link:
 908                 if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
 909                 {
 910                     if (link->window == -1)
 911                         wi = win->info;
 912                     else if (link->window < hlpfile->numWindows)
 913                         wi = &hlpfile->windows[link->window];
 914                     else
 915                     {
 916                         WINE_WARN("link to window %d/%d\n", link->window, hlpfile->numWindows);
 917                         break;
 918                     }
 919                     WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash, wi, SW_NORMAL);
 920                 }
 921                 break;
 922             case hlp_link_popup:
 923                 if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
 924                     WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash,
 925                                            WINHELP_GetPopupWindowInfo(hlpfile, win, lParam),
 926                                            SW_NORMAL);
 927                 break;
 928             case hlp_link_macro:
 929                 MACRO_ExecuteMacro(win, link->string);
 930                 break;
 931             default:
 932                 WINE_FIXME("Unknown link cookie %d\n", link->cookie);
 933             }
 934             ret = TRUE;
 935         }
 936         break;
 937     }
 938     return ret;
 939 }
 940
 941 /***********************************************************************
 942  *
 943  *           WINHELP_CheckPopup
 944  */
 945 static BOOL WINHELP_CheckPopup(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT* lret)
 946 {
 947     WINHELP_WINDOW*     popup;
 948
 949     if (!Globals.active_popup) return FALSE;
 950
 951     switch (msg)
 952     {
 953     case WM_NOTIFY:
 954         {
 955             MSGFILTER*  msgf = (MSGFILTER*)lParam;
 956             if (msgf->nmhdr.code == EN_MSGFILTER)
 957             {
 958                 if (!WINHELP_CheckPopup(hWnd, msgf->msg, msgf->wParam, msgf->lParam, NULL))
 959                     return FALSE;
 960                 if (lret) *lret = 1;
 961                 return TRUE;
 962             }
 963         }
 964         break;
 965     case WM_ACTIVATE:
 966         if (wParam != WA_INACTIVE || (HWND)lParam == Globals.active_win->hMainWnd ||
 967             (HWND)lParam == Globals.active_popup->hMainWnd ||
 968             GetWindow((HWND)lParam, GW_OWNER) == Globals.active_win->hMainWnd)
 969             break;
 970     case WM_LBUTTONDOWN:
 971         if (WINHELP_HandleTextMouse(Globals.active_popup, msg, lParam))
 972             return FALSE;
 973         /* fall through */
 974     case WM_LBUTTONUP:
 975     case WM_MBUTTONDOWN:
 976     case WM_RBUTTONDOWN:
 977     case WM_NCLBUTTONDOWN:
 978     case WM_NCMBUTTONDOWN:
 979     case WM_NCRBUTTONDOWN:
 980         popup = Globals.active_popup;
 981         Globals.active_popup = NULL;
 982         WINHELP_ReleaseWindow(popup);
 983         return TRUE;
 984     }
 985     return FALSE;
 986 }
 987
 988 /***********************************************************************
 989  *
 990  *           WINHELP_ButtonWndProc
 991  */
 992 static LRESULT CALLBACK WINHELP_ButtonWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 993 {
 994     if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL)) return 0;
 995
 996     if (msg == WM_KEYDOWN)
 997     {
 998         switch (wParam)
 999         {
1000         case VK_UP:
1001         case VK_DOWN:
1002         case VK_PRIOR:
1003         case VK_NEXT:
1004         case VK_ESCAPE:
1005             return SendMessage(GetParent(hWnd), msg, wParam, lParam);
1006         }
1007     }
1008
1009     return CallWindowProc(Globals.button_proc, hWnd, msg, wParam, lParam);
1010 }
1011
1012 /***********************************************************************
1013  *
1014  *           WINHELP_ButtonBoxWndProc
1015  */
1016 static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1017 {
1018     WINDOWPOS      *winpos;
1019     WINHELP_WINDOW *win;
1020     WINHELP_BUTTON *button;
1021     SIZE button_size;
1022     INT  x, y;
1023
1024     if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL)) return 0L;
1025
1026     switch (msg)
1027     {
1028     case WM_WINDOWPOSCHANGING:
1029         winpos = (WINDOWPOS*) lParam;
1030         win = (WINHELP_WINDOW*) GetWindowLongPtr(GetParent(hWnd), 0);
1031
1032         /* Update buttons */
1033         button_size.cx = 0;
1034         button_size.cy = 0;
1035         for (button = win->first_button; button; button = button->next)
1036         {
1037             HDC  hDc;
1038             SIZE textsize;
1039             if (!button->hWnd)
1040             {
1041                 button->hWnd = CreateWindow(STRING_BUTTON, button->lpszName,
1042                                             WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
1043                                             0, 0, 0, 0,
1044                                             hWnd, (HMENU) button->wParam,
1045                                             Globals.hInstance, 0);
1046                 if (button->hWnd)
1047                 {
1048                     if (Globals.button_proc == NULL)
1049                     {
1050                         NONCLIENTMETRICSW ncm;
1051                         Globals.button_proc = (WNDPROC) GetWindowLongPtr(button->hWnd, GWLP_WNDPROC);
1052
1053                         ncm.cbSize = sizeof(NONCLIENTMETRICSW);
1054                         SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
1055                                               sizeof(NONCLIENTMETRICSW), &ncm, 0);
1056                         Globals.hButtonFont = CreateFontIndirectW(&ncm.lfMenuFont);
1057                     }
1058                     SetWindowLongPtr(button->hWnd, GWLP_WNDPROC, (LONG_PTR) WINHELP_ButtonWndProc);
1059                     if (Globals.hButtonFont)
1060                         SendMessage(button->hWnd, WM_SETFONT, (WPARAM)Globals.hButtonFont, TRUE);
1061                 }
1062             }
1063             hDc = GetDC(button->hWnd);
1064             GetTextExtentPoint(hDc, button->lpszName,
1065                                lstrlen(button->lpszName), &textsize);
1066             ReleaseDC(button->hWnd, hDc);
1067
1068             button_size.cx = max(button_size.cx, textsize.cx + BUTTON_CX);
1069             button_size.cy = max(button_size.cy, textsize.cy + BUTTON_CY);
1070         }
1071
1072         x = 0;
1073         y = 0;
1074         for (button = win->first_button; button; button = button->next)
1075         {
1076             SetWindowPos(button->hWnd, HWND_TOP, x, y, button_size.cx, button_size.cy, 0);
1077
1078             if (x + 2 * button_size.cx <= winpos->cx)
1079                 x += button_size.cx;
1080             else
1081                 x = 0, y += button_size.cy;
1082         }
1083         winpos->cy = y + (x ? button_size.cy : 0);
1084         break;
1085
1086     case WM_COMMAND:
1087         SendMessage(GetParent(hWnd), msg, wParam, lParam);
1088         break;
1089
1090     case WM_KEYDOWN:
1091         switch (wParam)
1092         {
1093         case VK_UP:
1094         case VK_DOWN:
1095         case VK_PRIOR:
1096         case VK_NEXT:
1097         case VK_ESCAPE:
1098             return SendMessage(GetParent(hWnd), msg, wParam, lParam);
1099         }
1100         break;
1101     }
1102
1103     return DefWindowProc(hWnd, msg, wParam, lParam);
1104 }
1105
1106 /******************************************************************
1107  *              WINHELP_HistoryWndProc
1108  *
1109  *
1110  */
1111 static LRESULT CALLBACK WINHELP_HistoryWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1112 {
1113     WINHELP_WINDOW*     win;
1114     PAINTSTRUCT         ps;
1115     HDC                 hDc;
1116     TEXTMETRIC          tm;
1117     unsigned int        i;
1118     RECT                r;
1119
1120     switch (msg)
1121     {
1122     case WM_NCCREATE:
1123         win = (WINHELP_WINDOW*)((LPCREATESTRUCT)lParam)->lpCreateParams;
1124         SetWindowLongPtr(hWnd, 0, (ULONG_PTR)win);
1125         win->hHistoryWnd = hWnd;
1126         break;
1127     case WM_CREATE:
1128         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1129         hDc = GetDC(hWnd);
1130         GetTextMetrics(hDc, &tm);
1131         GetWindowRect(hWnd, &r);
1132
1133         r.right = r.left + 30 * tm.tmAveCharWidth;
1134         r.bottom = r.top + (sizeof(Globals.history.set) / sizeof(Globals.history.set[0])) * tm.tmHeight;
1135         AdjustWindowRect(&r, GetWindowLong(hWnd, GWL_STYLE), FALSE);
1136         if (r.left < 0) {r.right -= r.left; r.left = 0;}
1137         if (r.top < 0) {r.bottom -= r.top; r.top = 0;}
1138
1139         MoveWindow(hWnd, r.left, r.top, r.right, r.bottom, TRUE);
1140         ReleaseDC(hWnd, hDc);
1141         break;
1142     case WM_LBUTTONDOWN:
1143         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1144         hDc = GetDC(hWnd);
1145         GetTextMetrics(hDc, &tm);
1146         i = HIWORD(lParam) / tm.tmHeight;
1147         if (i < Globals.history.index)
1148             WINHELP_CreateHelpWindow(&Globals.history.set[i], SW_SHOW, TRUE);
1149         ReleaseDC(hWnd, hDc);
1150         break;
1151     case WM_PAINT:
1152         hDc = BeginPaint(hWnd, &ps);
1153         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1154         GetTextMetrics(hDc, &tm);
1155
1156         for (i = 0; i < Globals.history.index; i++)
1157         {
1158             if (Globals.history.set[i].page->file == Globals.active_win->page->file)
1159             {
1160                 TextOut(hDc, 0, i * tm.tmHeight,
1161                         Globals.history.set[i].page->lpszTitle,
1162                         strlen(Globals.history.set[i].page->lpszTitle));
1163             }
1164             else
1165             {
1166                 char        buffer[1024];
1167                 const char* ptr1;
1168                 const char* ptr2;
1169                 unsigned    len;
1170
1171                 ptr1 = strrchr(Globals.history.set[i].page->file->lpszPath, '\\');
1172                 if (!ptr1) ptr1 = Globals.history.set[i].page->file->lpszPath;
1173                 else ptr1++;
1174                 ptr2 = strrchr(ptr1, '.');
1175                 len = ptr2 ? ptr2 - ptr1 : strlen(ptr1);
1176                 if (len > sizeof(buffer)) len = sizeof(buffer);
1177                 memcpy(buffer, ptr1, len);
1178                 if (len < sizeof(buffer)) buffer[len++] = ':';
1179                 strncpy(&buffer[len], Globals.history.set[i].page->lpszTitle, sizeof(buffer) - len);
1180                 buffer[sizeof(buffer) - 1] = '\0';
1181                 TextOut(hDc, 0, i * tm.tmHeight, buffer, strlen(buffer));
1182             }
1183         }
1184         EndPaint(hWnd, &ps);
1185         break;
1186     case WM_DESTROY:
1187         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1188         if (hWnd == win->hHistoryWnd)
1189             win->hHistoryWnd = 0;
1190         break;
1191     }
1192     return DefWindowProc(hWnd, msg, wParam, lParam);
1193 }
1194
1195 /***********************************************************************
1196  *
1197  *           WINHELP_ShadowWndProc
1198  */
1199 static LRESULT CALLBACK WINHELP_ShadowWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1200 {
1201     if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL)) return 0;
1202     return WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL) ? 0L : DefWindowProc(hWnd, msg, wParam, lParam);
1203 }
1204
1205 /**************************************************************************
1206  * cb_KWBTree
1207  *
1208  * HLPFILE_BPTreeCallback enumeration function for '|KWBTREE' internal file.
1209  *
1210  */
1211 static void cb_KWBTree(void *p, void **next, void *cookie)
1212 {
1213     HWND hListWnd = cookie;
1214     int count;
1215
1216     WINE_TRACE("Adding '%s' to search list\n", (char *)p);
1217     SendMessage(hListWnd, LB_INSERTSTRING, -1, (LPARAM)p);
1218     count = SendMessage(hListWnd, LB_GETCOUNT, 0, 0);
1219     SendMessage(hListWnd, LB_SETITEMDATA, count-1, (LPARAM)p);
1220     *next = (char*)p + strlen((char*)p) + 7;
1221 }
1222
1223 struct index_data
1224 {
1225     HLPFILE*    hlpfile;
1226     BOOL        jump;
1227     ULONG       offset;
1228 };
1229
1230 /**************************************************************************
1231  * WINHELP_IndexDlgProc
1232  *
1233  */
1234 static INT_PTR CALLBACK WINHELP_IndexDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1235 {
1236     static struct index_data* id;
1237     int sel;
1238
1239     switch (msg)
1240     {
1241     case WM_INITDIALOG:
1242         id = (struct index_data*)((PROPSHEETPAGE*)lParam)->lParam;
1243         HLPFILE_BPTreeEnum(id->hlpfile->kwbtree, cb_KWBTree,
1244                            GetDlgItem(hWnd, IDC_INDEXLIST));
1245         id->jump = FALSE;
1246         id->offset = 1;
1247         return TRUE;
1248     case WM_COMMAND:
1249         switch (HIWORD(wParam))
1250         {
1251         case LBN_DBLCLK:
1252             if (LOWORD(wParam) == IDC_INDEXLIST)
1253                 SendMessage(GetParent(hWnd), PSM_PRESSBUTTON, PSBTN_OK, 0);
1254             break;
1255         }
1256         break;
1257     case WM_NOTIFY:
1258         switch (((NMHDR*)lParam)->code)
1259         {
1260         case PSN_APPLY:
1261             sel = SendDlgItemMessage(hWnd, IDC_INDEXLIST, LB_GETCURSEL, 0, 0);
1262             if (sel != LB_ERR)
1263             {
1264                 BYTE *p;
1265                 int count;
1266
1267                 p = (BYTE*)SendDlgItemMessage(hWnd, IDC_INDEXLIST,
1268                                               LB_GETITEMDATA, sel, 0);
1269                 count = *(short*)((char *)p + strlen((char *)p) + 1);
1270                 if (count > 1)
1271                 {
1272                     MessageBox(hWnd, "count > 1 not supported yet", "Error", MB_OK | MB_ICONSTOP);
1273                     SetWindowLongPtr(hWnd, DWLP_MSGRESULT, PSNRET_INVALID);
1274                     return TRUE;
1275                 }
1276                 id->offset = *(ULONG*)((char *)p + strlen((char *)p) + 3);
1277                 id->offset = *(long*)(id->hlpfile->kwdata + id->offset + 9);
1278                 if (id->offset == 0xFFFFFFFF)
1279                 {
1280                     MessageBox(hWnd, "macro keywords not supported yet", "Error", MB_OK | MB_ICONSTOP);
1281                     SetWindowLongPtr(hWnd, DWLP_MSGRESULT, PSNRET_INVALID);
1282                     return TRUE;
1283                 }
1284                 id->jump = TRUE;
1285                 SetWindowLongPtr(hWnd, DWLP_MSGRESULT, PSNRET_NOERROR);
1286             }
1287             return TRUE;
1288         default:
1289             return FALSE;
1290         }
1291         break;
1292     default:
1293         break;
1294     }
1295     return FALSE;
1296 }
1297
1298 /**************************************************************************
1299  * WINHELP_SearchDlgProc
1300  *
1301  */
1302 static INT_PTR CALLBACK WINHELP_SearchDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1303 {
1304     static struct index_data* id;
1305
1306     switch (msg)
1307     {
1308     case WM_INITDIALOG:
1309         id = (struct index_data*)((PROPSHEETPAGE*)lParam)->lParam;
1310         return TRUE;
1311     case WM_NOTIFY:
1312         switch (((NMHDR*)lParam)->code)
1313         {
1314         case PSN_APPLY:
1315             SetWindowLongPtr(hWnd, DWLP_MSGRESULT, PSNRET_NOERROR);
1316             return TRUE;
1317         default:
1318             return FALSE;
1319         }
1320         break;
1321     default:
1322         break;
1323     }
1324     return FALSE;
1325 }
1326
1327 /***********************************************************************
1328  *
1329  *           WINHELP_MainWndProc
1330  */
1331 static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1332 {
1333     WINHELP_WINDOW *win;
1334     WINHELP_BUTTON *button;
1335     INT  keyDelta;
1336     HWND hTextWnd;
1337     LRESULT ret;
1338
1339     if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, &ret)) return ret;
1340
1341     switch (msg)
1342     {
1343     case WM_NCCREATE:
1344         win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
1345         SetWindowLongPtr(hWnd, 0, (ULONG_PTR) win);
1346         if (!win->page && Globals.isBook)
1347             PostMessage(hWnd, WM_COMMAND, MNID_FILE_OPEN, 0);
1348         win->hMainWnd = hWnd;
1349         break;
1350
1351     case WM_WINDOWPOSCHANGED:
1352         WINHELP_LayoutMainWindow((WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0));
1353         break;
1354
1355     case WM_COMMAND:
1356         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1357         switch (wParam)
1358         {
1359             /* Menu FILE */
1360         case MNID_FILE_OPEN:    MACRO_FileOpen();       break;
1361         case MNID_FILE_PRINT:   MACRO_Print();          break;
1362         case MNID_FILE_SETUP:   MACRO_PrinterSetup();   break;
1363         case MNID_FILE_EXIT:    MACRO_Exit();           break;
1364
1365             /* Menu EDIT */
1366         case MNID_EDIT_COPYDLG:
1367             SendMessage(GetDlgItem(hWnd, CTL_ID_TEXT), WM_COPY, 0, 0);
1368             break;
1369         case MNID_EDIT_ANNOTATE:MACRO_Annotate();       break;
1370
1371             /* Menu Bookmark */
1372         case MNID_BKMK_DEFINE:  MACRO_BookmarkDefine(); break;
1373
1374             /* Menu Help */
1375         case MNID_HELP_HELPON:  MACRO_HelpOn();         break;
1376         case MNID_HELP_HELPTOP: MACRO_HelpOnTop();      break;
1377         case MNID_HELP_ABOUT:   MACRO_About();          break;
1378         case MNID_HELP_WINE:    ShellAbout(hWnd, "WINE", "Help", 0); break;
1379
1380             /* Context help */
1381         case MNID_CTXT_ANNOTATE:MACRO_Annotate();       break;
1382         case MNID_CTXT_COPY:    MACRO_CopyDialog();     break;
1383         case MNID_CTXT_PRINT:   MACRO_Print();          break;
1384         case MNID_OPTS_HISTORY: MACRO_History();        break;
1385         case MNID_OPTS_FONTS_SMALL:
1386         case MNID_CTXT_FONTS_SMALL:
1387             win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1388             if (win->font_scale != 0)
1389             {
1390                 win->font_scale = 0;
1391                 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1392             }
1393             break;
1394         case MNID_OPTS_FONTS_NORMAL:
1395         case MNID_CTXT_FONTS_NORMAL:
1396             win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1397             if (win->font_scale != 1)
1398             {
1399                 win->font_scale = 1;
1400                 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1401             }
1402             break;
1403         case MNID_OPTS_FONTS_LARGE:
1404         case MNID_CTXT_FONTS_LARGE:
1405             win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1406             if (win->font_scale != 2)
1407             {
1408                 win->font_scale = 2;
1409                 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1410             }
1411             break;
1412         case MNID_OPTS_HELP_DEFAULT:
1413         case MNID_OPTS_HELP_VISIBLE:
1414         case MNID_OPTS_HELP_NONVISIBLE:
1415         case MNID_OPTS_SYSTEM_COLORS:
1416         case MNID_CTXT_HELP_DEFAULT:
1417         case MNID_CTXT_HELP_VISIBLE:
1418         case MNID_CTXT_HELP_NONVISIBLE:
1419         case MNID_CTXT_SYSTEM_COLORS:
1420             /* FIXME: NIY */
1421
1422         default:
1423             /* Buttons */
1424             for (button = win->first_button; button; button = button->next)
1425                 if (wParam == button->wParam) break;
1426             if (button)
1427                 MACRO_ExecuteMacro(win, button->lpszMacro);
1428             else if (!HIWORD(wParam))
1429                 MessageBox(0, MAKEINTRESOURCE(STID_NOT_IMPLEMENTED),
1430                            MAKEINTRESOURCE(STID_WHERROR), MB_OK);
1431             break;
1432         }
1433         break;
1434 /* EPP     case WM_DESTROY: */
1435 /* EPP         if (Globals.hPopupWnd) DestroyWindow(Globals.hPopupWnd); */
1436 /* EPP         break; */
1437     case WM_COPYDATA:
1438         return WINHELP_HandleCommand((HWND)wParam, lParam);
1439
1440     case WM_CHAR:
1441         if (wParam == 3)
1442         {
1443             SendMessage(GetDlgItem(hWnd, CTL_ID_TEXT), WM_COPY, 0, 0);
1444             return 0;
1445         }
1446         break;
1447
1448     case WM_KEYDOWN:
1449         keyDelta = 0;
1450         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1451         hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
1452
1453         switch (wParam)
1454         {
1455         case VK_UP:
1456             SendMessage(hTextWnd, EM_SCROLL, SB_LINEUP, 0);
1457             return 0;
1458         case VK_DOWN:
1459             SendMessage(hTextWnd, EM_SCROLL, SB_LINEDOWN, 0);
1460             return 0;
1461         case VK_PRIOR:
1462             SendMessage(hTextWnd, EM_SCROLL, SB_PAGEUP, 0);
1463             return 0;
1464         case VK_NEXT:
1465             SendMessage(hTextWnd, EM_SCROLL, SB_PAGEDOWN, 0);
1466             return 0;
1467         case VK_ESCAPE:
1468             MACRO_Exit();
1469             return 0;
1470         }
1471         break;
1472
1473     case WM_NOTIFY:
1474         if (wParam == CTL_ID_TEXT)
1475         {
1476             RECT        rc;
1477
1478             switch (((NMHDR*)lParam)->code)
1479             {
1480             case EN_MSGFILTER:
1481                 {
1482                     const MSGFILTER*    msgf = (const MSGFILTER*)lParam;
1483                     switch (msgf->msg)
1484                     {
1485                     case WM_KEYUP:
1486                         if (msgf->wParam == VK_ESCAPE)
1487                             WINHELP_ReleaseWindow((WINHELP_WINDOW*)GetWindowLongPtr(hWnd, 0));
1488                         break;
1489                     case WM_RBUTTONDOWN:
1490                     {
1491                         HMENU       hMenu;
1492                         POINT       pt;
1493
1494                         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1495                         hMenu = LoadMenu(Globals.hInstance, (LPSTR)CONTEXT_MENU);
1496                         switch (win->font_scale)
1497                         {
1498                         case 0:
1499                             CheckMenuItem(hMenu, MNID_CTXT_FONTS_SMALL,
1500                                           MF_BYCOMMAND|MF_CHECKED);
1501                             break;
1502                         default:
1503                             WINE_FIXME("Unsupported %d\n", win->font_scale);
1504                         case 1:
1505                             CheckMenuItem(hMenu, MNID_CTXT_FONTS_NORMAL,
1506                                           MF_BYCOMMAND|MF_CHECKED);
1507                             break;
1508                         case 2:
1509                             CheckMenuItem(hMenu, MNID_CTXT_FONTS_LARGE,
1510                                           MF_BYCOMMAND|MF_CHECKED);
1511                             break;
1512                         }
1513                         pt.x = (int)(short)LOWORD(msgf->lParam);
1514                         pt.y = (int)(short)HIWORD(msgf->lParam);
1515                         ClientToScreen(msgf->nmhdr.hwndFrom, &pt);
1516                         TrackPopupMenu(GetSubMenu(hMenu, 0), TPM_LEFTALIGN|TPM_TOPALIGN,
1517                                        pt.x, pt.y, 0, hWnd, NULL);
1518                         DestroyMenu(hMenu);
1519                     }
1520                     break;
1521                     default:
1522                         return WINHELP_HandleTextMouse((WINHELP_WINDOW*)GetWindowLongPtr(hWnd, 0),
1523                                                        msgf->msg, msgf->lParam);
1524                     }
1525                 }
1526                 break;
1527
1528             case EN_REQUESTRESIZE:
1529                 rc = ((REQRESIZE*)lParam)->rc;
1530                 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1531                 AdjustWindowRect(&rc, GetWindowLong(win->hMainWnd, GWL_STYLE),
1532                                  FALSE);
1533                 SetWindowPos(win->hMainWnd, HWND_TOP, 0, 0,
1534                              rc.right - rc.left, rc.bottom - rc.top,
1535                              SWP_NOMOVE | SWP_NOZORDER);
1536                 WINHELP_LayoutMainWindow(win);
1537                 break;
1538             }
1539         }
1540         break;
1541
1542     case WM_INITMENUPOPUP:
1543         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1544         CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_SMALL,
1545                       MF_BYCOMMAND | (win->font_scale == 0) ? MF_CHECKED : 0);
1546         CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_NORMAL,
1547                       MF_BYCOMMAND | (win->font_scale == 1) ? MF_CHECKED : 0);
1548         CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_LARGE,
1549                       MF_BYCOMMAND | (win->font_scale == 2) ? MF_CHECKED : 0);
1550         break;
1551     case WM_DESTROY:
1552         win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1553         WINHELP_DeleteWindow(win);
1554         break;
1555     }
1556     return DefWindowProc(hWnd, msg, wParam, lParam);
1557 }
1558
1559 /**************************************************************************
1560  * WINHELP_CreateIndexWindow
1561  *
1562  * Displays a dialog with keywords of current help file.
1563  *
1564  */
1565 BOOL WINHELP_CreateIndexWindow(BOOL is_search)
1566 {
1567     HPROPSHEETPAGE      psPage[3];
1568     PROPSHEETPAGE       psp;
1569     PROPSHEETHEADER     psHead;
1570     struct index_data   id;
1571     char                buf[256];
1572
1573     if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
1574         id.hlpfile = Globals.active_win->page->file;
1575     else
1576         return FALSE;
1577
1578     if (id.hlpfile->kwbtree == NULL)
1579     {
1580         WINE_TRACE("No index provided\n");
1581         return FALSE;
1582     }
1583
1584     InitCommonControls();
1585
1586     id.jump = FALSE;
1587     memset(&psp, 0, sizeof(psp));
1588     psp.dwSize = sizeof(psp);
1589     psp.dwFlags = 0;
1590     psp.hInstance = Globals.hInstance;
1591
1592     psp.u.pszTemplate = MAKEINTRESOURCE(IDD_INDEX);
1593     psp.lParam = (LPARAM)&id;
1594     psp.pfnDlgProc = WINHELP_IndexDlgProc;
1595     psPage[0] = CreatePropertySheetPage(&psp);
1596
1597     psp.u.pszTemplate = MAKEINTRESOURCE(IDD_SEARCH);
1598     psp.lParam = (LPARAM)&id;
1599     psp.pfnDlgProc = WINHELP_SearchDlgProc;
1600     psPage[1] = CreatePropertySheetPage(&psp);
1601
1602     memset(&psHead, 0, sizeof(psHead));
1603     psHead.dwSize = sizeof(psHead);
1604
1605     LoadString(Globals.hInstance, STID_PSH_INDEX, buf, sizeof(buf));
1606     strcat(buf, Globals.active_win->info->caption);
1607
1608     psHead.pszCaption = buf;
1609     psHead.nPages = 2;
1610     psHead.u2.nStartPage = is_search ? 1 : 0;
1611     psHead.hwndParent = Globals.active_win->hMainWnd;
1612     psHead.u3.phpage = psPage;
1613     psHead.dwFlags = PSH_NOAPPLYNOW;
1614
1615     PropertySheet(&psHead);
1616     if (id.jump)
1617     {
1618         WINE_TRACE("got %d as an offset\n", id.offset);
1619         WINHELP_OpenHelpWindow(HLPFILE_PageByOffset, id.hlpfile, id.offset,
1620                                Globals.active_win->info, SW_NORMAL);
1621     }
1622     return TRUE;
1623 }
1624
1625 /***********************************************************************
1626  *
1627  *           RegisterWinClasses
1628  */
1629 static BOOL WINHELP_RegisterWinClasses(void)
1630 {
1631     WNDCLASS class_main, class_button_box, class_shadow, class_history;
1632
1633     class_main.style               = CS_HREDRAW | CS_VREDRAW;
1634     class_main.lpfnWndProc         = WINHELP_MainWndProc;
1635     class_main.cbClsExtra          = 0;
1636     class_main.cbWndExtra          = sizeof(WINHELP_WINDOW *);
1637     class_main.hInstance           = Globals.hInstance;
1638     class_main.hIcon               = LoadIcon(Globals.hInstance, MAKEINTRESOURCE(IDI_WINHELP));
1639     class_main.hCursor             = LoadCursor(0, IDC_ARROW);
1640     class_main.hbrBackground       = (HBRUSH)(COLOR_WINDOW+1);
1641     class_main.lpszMenuName        = 0;
1642     class_main.lpszClassName       = MAIN_WIN_CLASS_NAME;
1643
1644     class_button_box               = class_main;
1645     class_button_box.lpfnWndProc   = WINHELP_ButtonBoxWndProc;
1646     class_button_box.cbWndExtra    = 0;
1647     class_button_box.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
1648     class_button_box.lpszClassName = BUTTON_BOX_WIN_CLASS_NAME;
1649
1650     class_shadow                   = class_main;
1651     class_shadow.lpfnWndProc       = WINHELP_ShadowWndProc;
1652     class_shadow.cbWndExtra        = 0;
1653     class_shadow.hbrBackground     = (HBRUSH)(COLOR_3DDKSHADOW+1);
1654     class_shadow.lpszClassName     = SHADOW_WIN_CLASS_NAME;
1655
1656     class_history                  = class_main;
1657     class_history.lpfnWndProc      = WINHELP_HistoryWndProc;
1658     class_history.lpszClassName    = HISTORY_WIN_CLASS_NAME;
1659
1660     return (RegisterClass(&class_main) &&
1661             RegisterClass(&class_button_box) &&
1662             RegisterClass(&class_shadow) &&
1663             RegisterClass(&class_history));
1664 }
1665
1666 /***********************************************************************
1667  *
1668  *           WinMain
1669  */
1670 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
1671 {
1672     MSG                 msg;
1673     LONG                lHash = 0;
1674     HLPFILE*            hlpfile;
1675     static CHAR         default_wndname[] = "main";
1676     LPSTR               wndname = default_wndname;
1677     WINHELP_DLL*        dll;
1678
1679     Globals.hInstance = hInstance;
1680
1681     if (LoadLibrary("riched20.dll") == NULL)
1682         return MessageBox(0, MAKEINTRESOURCE(STID_NO_RICHEDIT),
1683                           MAKEINTRESOURCE(STID_WHERROR), MB_OK);
1684
1685     /* Get options */
1686     while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
1687     {
1688         CHAR   option;
1689         LPCSTR topic_id;
1690         if (*cmdline++ == ' ') continue;
1691
1692         option = *cmdline;
1693         if (option) cmdline++;
1694         while (*cmdline && *cmdline == ' ') cmdline++;
1695         switch (option)
1696         {
1697         case 'i':
1698         case 'I':
1699             topic_id = cmdline;
1700             while (*cmdline && *cmdline != ' ') cmdline++;
1701             if (*cmdline) *cmdline++ = '\0';
1702             lHash = HLPFILE_Hash(topic_id);
1703             break;
1704
1705         case '3':
1706         case '4':
1707             Globals.wVersion = option - '0';
1708             break;
1709
1710         case 'x':
1711             show = SW_HIDE;
1712             Globals.isBook = FALSE;
1713             break;
1714
1715         default:
1716             WINE_FIXME("Unsupported cmd line: %s\n", cmdline);
1717             break;
1718         }
1719     }
1720
1721     /* Create primary window */
1722     if (!WINHELP_RegisterWinClasses())
1723     {
1724         WINE_FIXME("Couldn't register classes\n");
1725         return 0;
1726     }
1727
1728     if (*cmdline)
1729     {
1730         char*   ptr;
1731         if ((*cmdline == '"') && (ptr = strchr(cmdline+1, '"')))
1732         {
1733             cmdline++;
1734             *ptr = '\0';
1735         }
1736         if ((ptr = strchr(cmdline, '>')))
1737         {
1738             *ptr = '\0';
1739             wndname = ptr + 1;
1740         }
1741         hlpfile = WINHELP_LookupHelpFile(cmdline);
1742         if (!hlpfile) return 0;
1743     }
1744     else hlpfile = NULL;
1745     WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, lHash,
1746                            WINHELP_GetWindowInfo(hlpfile, wndname), show);
1747
1748     /* Message loop */
1749     while ((Globals.win_list || Globals.active_popup) && GetMessage(&msg, 0, 0, 0))
1750     {
1751         TranslateMessage(&msg);
1752         DispatchMessage(&msg);
1753     }
1754     for (dll = Globals.dlls; dll; dll = dll->next)
1755     {
1756         if (dll->class & DC_INITTERM) dll->handler(DW_TERM, 0, 0);
1757     }
1758     return 0;
1759 }