git.oblomov.eu Git - wine/blob - dlls/hhctrl.ocx/help.c

   1 /*
   2  * Help Viewer Implementation
   3  *
   4  * Copyright 2005 James Hawkins
   5  * Copyright 2007 Jacek Caban for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "hhctrl.h"
  23
  24 #include "wingdi.h"
  25 #include "commctrl.h"
  26 #include "wininet.h"
  27
  28 #include "wine/debug.h"
  29
  30 #include "resource.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
  33
  34 static LRESULT Help_OnSize(HWND hWnd);
  35
  36 /* Window type defaults */
  37
  38 #define WINTYPE_DEFAULT_X           280
  39 #define WINTYPE_DEFAULT_Y           100
  40 #define WINTYPE_DEFAULT_WIDTH       740
  41 #define WINTYPE_DEFAULT_HEIGHT      640
  42 #define WINTYPE_DEFAULT_NAVWIDTH    250
  43
  44 #define TAB_TOP_PADDING     8
  45 #define TAB_RIGHT_PADDING   4
  46 #define TAB_MARGIN  8
  47
  48 static const WCHAR szEmpty[] = {0};
  49
  50 /* Loads a string from the resource file */
  51 static LPWSTR HH_LoadString(DWORD dwID)
  52 {
  53     LPWSTR string = NULL;
  54     LPCWSTR stringresource;
  55     int iSize;
  56
  57     iSize = LoadStringW(hhctrl_hinstance, dwID, (LPWSTR)&stringresource, 0);
  58
  59     string = heap_alloc((iSize + 2) * sizeof(WCHAR)); /* some strings (tab text) needs double-null termination */
  60     memcpy(string, stringresource, iSize*sizeof(WCHAR));
  61     string[iSize] = 0;
  62
  63     return string;
  64 }
  65
  66 static HRESULT navigate_url(HHInfo *info, LPCWSTR surl)
  67 {
  68     VARIANT url;
  69     HRESULT hres;
  70
  71     TRACE("%s\n", debugstr_w(surl));
  72
  73     V_VT(&url) = VT_BSTR;
  74     V_BSTR(&url) = SysAllocString(surl);
  75
  76     hres = IWebBrowser2_Navigate2(info->web_browser, &url, 0, 0, 0, 0);
  77
  78     VariantClear(&url);
  79
  80     if(FAILED(hres))
  81         TRACE("Navigation failed: %08x\n", hres);
  82
  83     return hres;
  84 }
  85
  86 BOOL NavigateToUrl(HHInfo *info, LPCWSTR surl)
  87 {
  88     ChmPath chm_path;
  89     BOOL ret;
  90     HRESULT hres;
  91
  92     static const WCHAR url_indicator[] = {':', '/', '/', 0};
  93
  94     TRACE("%s\n", debugstr_w(surl));
  95
  96     if (strstrW(surl, url_indicator)) {
  97         hres = navigate_url(info, surl);
  98         if(SUCCEEDED(hres))
  99             return TRUE;
 100     } /* look up in chm if it doesn't look like a full url */
 101
 102     SetChmPath(&chm_path, info->pCHMInfo->szFile, surl);
 103     ret = NavigateToChm(info, chm_path.chm_file, chm_path.chm_index);
 104
 105     heap_free(chm_path.chm_file);
 106     heap_free(chm_path.chm_index);
 107
 108     return ret;
 109 }
 110
 111 BOOL NavigateToChm(HHInfo *info, LPCWSTR file, LPCWSTR index)
 112 {
 113     WCHAR buf[INTERNET_MAX_URL_LENGTH];
 114     WCHAR full_path[MAX_PATH];
 115     LPWSTR ptr;
 116
 117     static const WCHAR url_format[] =
 118         {'m','k',':','@','M','S','I','T','S','t','o','r','e',':','%','s',':',':','%','s','%','s',0};
 119     static const WCHAR slash[] = {'/',0};
 120     static const WCHAR empty[] = {0};
 121
 122     TRACE("%p %s %s\n", info, debugstr_w(file), debugstr_w(index));
 123
 124     if (!info->web_browser)
 125         return FALSE;
 126
 127     if(!GetFullPathNameW(file, sizeof(full_path)/sizeof(full_path[0]), full_path, NULL)) {
 128         WARN("GetFullPathName failed: %u\n", GetLastError());
 129         return FALSE;
 130     }
 131
 132     wsprintfW(buf, url_format, full_path, (!index || index[0] == '/') ? empty : slash, index);
 133
 134     /* FIXME: HACK */
 135     if((ptr = strchrW(buf, '#')))
 136        *ptr = 0;
 137
 138     return SUCCEEDED(navigate_url(info, buf));
 139 }
 140
 141 /* Size Bar */
 142
 143 #define SIZEBAR_WIDTH   4
 144
 145 static const WCHAR szSizeBarClass[] = {
 146     'H','H',' ','S','i','z','e','B','a','r',0
 147 };
 148
 149 /* Draw the SizeBar */
 150 static void SB_OnPaint(HWND hWnd)
 151 {
 152     PAINTSTRUCT ps;
 153     HDC hdc;
 154     RECT rc;
 155
 156     hdc = BeginPaint(hWnd, &ps);
 157
 158     GetClientRect(hWnd, &rc);
 159
 160     /* dark frame */
 161     rc.right += 1;
 162     rc.bottom -= 1;
 163     FrameRect(hdc, &rc, GetStockObject(GRAY_BRUSH));
 164
 165     /* white highlight */
 166     SelectObject(hdc, GetStockObject(WHITE_PEN));
 167     MoveToEx(hdc, rc.right, 1, NULL);
 168     LineTo(hdc, 1, 1);
 169     LineTo(hdc, 1, rc.bottom - 1);
 170
 171
 172     MoveToEx(hdc, 0, rc.bottom, NULL);
 173     LineTo(hdc, rc.right, rc.bottom);
 174
 175     EndPaint(hWnd, &ps);
 176 }
 177
 178 static void SB_OnLButtonDown(HWND hWnd, WPARAM wParam, LPARAM lParam)
 179 {
 180     SetCapture(hWnd);
 181 }
 182
 183 static void SB_OnLButtonUp(HWND hWnd, WPARAM wParam, LPARAM lParam)
 184 {
 185     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 186     POINT pt;
 187
 188     pt.x = (short)LOWORD(lParam);
 189     pt.y = (short)HIWORD(lParam);
 190
 191     /* update the window sizes */
 192     pHHInfo->WinType.iNavWidth += pt.x;
 193     Help_OnSize(hWnd);
 194
 195     ReleaseCapture();
 196 }
 197
 198 static void SB_OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM lParam)
 199 {
 200     /* ignore WM_MOUSEMOVE if not dragging the SizeBar */
 201     if (!(wParam & MK_LBUTTON))
 202         return;
 203 }
 204
 205 static LRESULT CALLBACK SizeBar_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 206 {
 207     switch (message)
 208     {
 209         case WM_LBUTTONDOWN:
 210             SB_OnLButtonDown(hWnd, wParam, lParam);
 211             break;
 212         case WM_LBUTTONUP:
 213             SB_OnLButtonUp(hWnd, wParam, lParam);
 214             break;
 215         case WM_MOUSEMOVE:
 216             SB_OnMouseMove(hWnd, wParam, lParam);
 217             break;
 218         case WM_PAINT:
 219             SB_OnPaint(hWnd);
 220             break;
 221         default:
 222             return DefWindowProcW(hWnd, message, wParam, lParam);
 223     }
 224
 225     return 0;
 226 }
 227
 228 static void HH_RegisterSizeBarClass(HHInfo *pHHInfo)
 229 {
 230     WNDCLASSEXW wcex;
 231
 232     wcex.cbSize         = sizeof(WNDCLASSEXW);
 233     wcex.style          = 0;
 234     wcex.lpfnWndProc    = SizeBar_WndProc;
 235     wcex.cbClsExtra     = 0;
 236     wcex.cbWndExtra     = 0;
 237     wcex.hInstance      = hhctrl_hinstance;
 238     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 239     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_SIZEWE);
 240     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 241     wcex.lpszMenuName   = NULL;
 242     wcex.lpszClassName  = szSizeBarClass;
 243     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 244
 245     RegisterClassExW(&wcex);
 246 }
 247
 248 static void SB_GetSizeBarRect(HHInfo *info, RECT *rc)
 249 {
 250     RECT rectWND, rectTB, rectNP;
 251
 252     GetClientRect(info->WinType.hwndHelp, &rectWND);
 253     GetClientRect(info->WinType.hwndToolBar, &rectTB);
 254     GetClientRect(info->WinType.hwndNavigation, &rectNP);
 255
 256     rc->left = rectNP.right;
 257     rc->top = rectTB.bottom;
 258     rc->bottom = rectWND.bottom - rectTB.bottom;
 259     rc->right = SIZEBAR_WIDTH;
 260 }
 261
 262 static BOOL HH_AddSizeBar(HHInfo *pHHInfo)
 263 {
 264     HWND hWnd;
 265     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 266     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_OVERLAPPED;
 267     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 268     RECT rc;
 269
 270     SB_GetSizeBarRect(pHHInfo, &rc);
 271
 272     hWnd = CreateWindowExW(dwExStyles, szSizeBarClass, szEmpty, dwStyles,
 273                            rc.left, rc.top, rc.right, rc.bottom,
 274                            hwndParent, NULL, hhctrl_hinstance, NULL);
 275     if (!hWnd)
 276         return FALSE;
 277
 278     /* store the pointer to the HH info struct */
 279     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 280
 281     pHHInfo->hwndSizeBar = hWnd;
 282     return TRUE;
 283 }
 284
 285 /* Child Window */
 286
 287 static const WCHAR szChildClass[] = {
 288     'H','H',' ','C','h','i','l','d',0
 289 };
 290
 291 static LRESULT Child_OnPaint(HWND hWnd)
 292 {
 293     PAINTSTRUCT ps;
 294     HDC hdc;
 295     RECT rc;
 296
 297     hdc = BeginPaint(hWnd, &ps);
 298
 299     /* Only paint the Navigation pane, identified by the fact
 300      * that it has a child window
 301      */
 302     if (GetWindow(hWnd, GW_CHILD))
 303     {
 304         GetClientRect(hWnd, &rc);
 305
 306         /* set the border color */
 307         SelectObject(hdc, GetStockObject(DC_PEN));
 308         SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
 309
 310         /* Draw the top border */
 311         LineTo(hdc, rc.right, 0);
 312
 313         SelectObject(hdc, GetStockObject(WHITE_PEN));
 314         MoveToEx(hdc, 0, 1, NULL);
 315         LineTo(hdc, rc.right, 1);
 316     }
 317
 318     EndPaint(hWnd, &ps);
 319
 320     return 0;
 321 }
 322
 323 static void ResizeTabChild(HHInfo *info, int tab)
 324 {
 325     HWND hwnd = info->tabs[tab].hwnd;
 326     INT width, height;
 327     RECT rect, tabrc;
 328     DWORD cnt;
 329
 330     GetClientRect(info->WinType.hwndNavigation, &rect);
 331     SendMessageW(info->hwndTabCtrl, TCM_GETITEMRECT, 0, (LPARAM)&tabrc);
 332     cnt = SendMessageW(info->hwndTabCtrl, TCM_GETROWCOUNT, 0, 0);
 333
 334     rect.left = TAB_MARGIN;
 335     rect.top = TAB_TOP_PADDING + cnt*(tabrc.bottom-tabrc.top) + TAB_MARGIN;
 336     rect.right -= TAB_RIGHT_PADDING + TAB_MARGIN;
 337     rect.bottom -= TAB_MARGIN;
 338     width = rect.right-rect.left;
 339     height = rect.bottom-rect.top;
 340
 341     SetWindowPos(hwnd, NULL, rect.left, rect.top, width, height,
 342                  SWP_NOZORDER | SWP_NOACTIVATE);
 343
 344     /* Resize the tab widget column to perfectly fit the tab window and
 345      * leave sufficient space for the scroll widget.
 346      */
 347     switch (tab)
 348     {
 349     case TAB_INDEX: {
 350         int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
 351         int border_width = GetSystemMetrics(SM_CXBORDER);
 352         int edge_width = GetSystemMetrics(SM_CXEDGE);
 353
 354         SendMessageW(info->tabs[TAB_INDEX].hwnd, LVM_SETCOLUMNWIDTH, 0,
 355                      width-scroll_width-2*border_width-2*edge_width);
 356
 357         break;
 358     }
 359     }
 360 }
 361
 362 static LRESULT Child_OnSize(HWND hwnd)
 363 {
 364     HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
 365     RECT rect;
 366
 367     if(!info || hwnd != info->WinType.hwndNavigation)
 368         return 0;
 369
 370     GetClientRect(hwnd, &rect);
 371     SetWindowPos(info->hwndTabCtrl, HWND_TOP, 0, 0,
 372                  rect.right - TAB_RIGHT_PADDING,
 373                  rect.bottom - TAB_TOP_PADDING, SWP_NOMOVE);
 374
 375     ResizeTabChild(info, TAB_CONTENTS);
 376     ResizeTabChild(info, TAB_INDEX);
 377     return 0;
 378 }
 379
 380 static LRESULT OnTabChange(HWND hwnd)
 381 {
 382     HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
 383
 384     TRACE("%p\n", hwnd);
 385
 386     if (!info)
 387         return 0;
 388
 389     if(info->tabs[info->current_tab].hwnd)
 390         ShowWindow(info->tabs[info->current_tab].hwnd, SW_HIDE);
 391
 392     info->current_tab = SendMessageW(info->hwndTabCtrl, TCM_GETCURSEL, 0, 0);
 393
 394     if(info->tabs[info->current_tab].hwnd)
 395         ShowWindow(info->tabs[info->current_tab].hwnd, SW_SHOW);
 396
 397     return 0;
 398 }
 399
 400 static LRESULT OnTopicChange(HWND hwnd, void *user_data)
 401 {
 402     HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
 403     LPCWSTR chmfile = NULL, name = NULL, local = NULL;
 404     ContentItem *citer;
 405     IndexItem *iiter;
 406
 407     if(!user_data || !info)
 408         return 0;
 409
 410     switch (info->current_tab)
 411     {
 412     case TAB_CONTENTS:
 413         citer = (ContentItem *) user_data;
 414         name = citer->name;
 415         local = citer->local;
 416         while(citer) {
 417             if(citer->merge.chm_file) {
 418                 chmfile = citer->merge.chm_file;
 419                 break;
 420             }
 421             citer = citer->parent;
 422         }
 423         chmfile = citer->merge.chm_file;
 424         break;
 425     case TAB_INDEX:
 426         iiter = (IndexItem *) user_data;
 427         if(iiter->nItems == 0) {
 428             FIXME("No entries for this item!\n");
 429             return 0;
 430         }
 431         if(iiter->nItems > 1) {
 432             int i = 0;
 433             LVITEMW lvi;
 434
 435             SendMessageW(info->popup.hwndList, LVM_DELETEALLITEMS, 0, 0);
 436             for(i=0;i<iiter->nItems;i++) {
 437                 IndexSubItem *item = &iiter->items[i];
 438                 WCHAR *name = iiter->keyword;
 439
 440                 if(item->name)
 441                     name = item->name;
 442                 memset(&lvi, 0, sizeof(lvi));
 443                 lvi.iItem = i;
 444                 lvi.mask = LVIF_TEXT|LVIF_PARAM;
 445                 lvi.cchTextMax = strlenW(name)+1;
 446                 lvi.pszText = name;
 447                 lvi.lParam = (LPARAM) item;
 448                 SendMessageW(info->popup.hwndList, LVM_INSERTITEMW, 0, (LPARAM)&lvi);
 449             }
 450             ShowWindow(info->popup.hwndPopup, SW_SHOW);
 451             return 0;
 452         }
 453         name = iiter->items[0].name;
 454         local = iiter->items[0].local;
 455         chmfile = iiter->merge.chm_file;
 456         break;
 457     default:
 458         FIXME("Unhandled operation for this tab!\n");
 459         return 0;
 460     }
 461
 462     TRACE("name %s loal %s\n", debugstr_w(name), debugstr_w(local));
 463
 464     NavigateToChm(info, chmfile, local);
 465     return 0;
 466 }
 467
 468 static LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 469 {
 470     switch (message)
 471     {
 472     case WM_PAINT:
 473         return Child_OnPaint(hWnd);
 474     case WM_SIZE:
 475         return Child_OnSize(hWnd);
 476     case WM_NOTIFY: {
 477         NMHDR *nmhdr = (NMHDR*)lParam;
 478         switch(nmhdr->code) {
 479         case TCN_SELCHANGE:
 480             return OnTabChange(hWnd);
 481         case TVN_SELCHANGEDW:
 482             return OnTopicChange(hWnd, (void*)((NMTREEVIEWW *)lParam)->itemNew.lParam);
 483         case NM_DBLCLK:
 484             return OnTopicChange(hWnd, (void*)((NMITEMACTIVATE *)lParam)->lParam);
 485         }
 486         break;
 487     }
 488     default:
 489         return DefWindowProcW(hWnd, message, wParam, lParam);
 490     }
 491
 492     return 0;
 493 }
 494
 495 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
 496 {
 497     WNDCLASSEXW wcex;
 498
 499     wcex.cbSize         = sizeof(WNDCLASSEXW);
 500     wcex.style          = 0;
 501     wcex.lpfnWndProc    = Child_WndProc;
 502     wcex.cbClsExtra     = 0;
 503     wcex.cbWndExtra     = 0;
 504     wcex.hInstance      = hhctrl_hinstance;
 505     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 506     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 507     wcex.hbrBackground  = (HBRUSH)(COLOR_BTNFACE + 1);
 508     wcex.lpszMenuName   = NULL;
 509     wcex.lpszClassName  = szChildClass;
 510     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 511
 512     RegisterClassExW(&wcex);
 513 }
 514
 515 /* Toolbar */
 516
 517 #define ICON_SIZE   20
 518
 519 static void TB_OnClick(HWND hWnd, DWORD dwID)
 520 {
 521     HHInfo *info = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 522
 523     switch (dwID)
 524     {
 525         case IDTB_STOP:
 526             DoPageAction(info, WB_STOP);
 527             break;
 528         case IDTB_REFRESH:
 529             DoPageAction(info, WB_REFRESH);
 530             break;
 531         case IDTB_BACK:
 532             DoPageAction(info, WB_GOBACK);
 533             break;
 534         case IDTB_HOME:
 535             NavigateToChm(info, info->pCHMInfo->szFile, info->WinType.pszHome);
 536             break;
 537         case IDTB_FORWARD:
 538             DoPageAction(info, WB_GOFORWARD);
 539             break;
 540         case IDTB_EXPAND:
 541         case IDTB_CONTRACT:
 542         case IDTB_SYNC:
 543         case IDTB_PRINT:
 544         case IDTB_OPTIONS:
 545         case IDTB_BROWSE_FWD:
 546         case IDTB_BROWSE_BACK:
 547         case IDTB_JUMP1:
 548         case IDTB_JUMP2:
 549         case IDTB_CUSTOMIZE:
 550         case IDTB_ZOOM:
 551         case IDTB_TOC_NEXT:
 552         case IDTB_TOC_PREV:
 553             break;
 554     }
 555 }
 556
 557 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID)
 558 {
 559     /* FIXME: Load the correct button bitmaps */
 560     pButtons[dwIndex].iBitmap = STD_PRINT;
 561     pButtons[dwIndex].idCommand = dwID;
 562     pButtons[dwIndex].fsState = TBSTATE_ENABLED;
 563     pButtons[dwIndex].fsStyle = BTNS_BUTTON;
 564     pButtons[dwIndex].dwData = 0;
 565     pButtons[dwIndex].iString = 0;
 566 }
 567
 568 static void TB_AddButtonsFromFlags(TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
 569 {
 570     *pdwNumButtons = 0;
 571
 572     if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
 573         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND);
 574
 575     if (dwButtonFlags & HHWIN_BUTTON_BACK)
 576         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK);
 577
 578     if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
 579         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD);
 580
 581     if (dwButtonFlags & HHWIN_BUTTON_STOP)
 582         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP);
 583
 584     if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
 585         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH);
 586
 587     if (dwButtonFlags & HHWIN_BUTTON_HOME)
 588         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME);
 589
 590     if (dwButtonFlags & HHWIN_BUTTON_SYNC)
 591         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC);
 592
 593     if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
 594         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS);
 595
 596     if (dwButtonFlags & HHWIN_BUTTON_PRINT)
 597         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT);
 598
 599     if (dwButtonFlags & HHWIN_BUTTON_JUMP1)
 600         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_JUMP1);
 601
 602     if (dwButtonFlags & HHWIN_BUTTON_JUMP2)
 603         TB_AddButton(pButtons,(*pdwNumButtons)++, IDTB_JUMP2);
 604
 605     if (dwButtonFlags & HHWIN_BUTTON_ZOOM)
 606         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_ZOOM);
 607
 608     if (dwButtonFlags & HHWIN_BUTTON_TOC_NEXT)
 609         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_NEXT);
 610
 611     if (dwButtonFlags & HHWIN_BUTTON_TOC_PREV)
 612         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_PREV);
 613 }
 614
 615 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
 616 {
 617     HWND hToolbar;
 618     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 619     DWORD toolbarFlags;
 620     TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
 621     TBADDBITMAP tbAB;
 622     DWORD dwStyles, dwExStyles;
 623     DWORD dwNumButtons, dwIndex;
 624
 625     if (pHHInfo->WinType.fsWinProperties & HHWIN_PARAM_TB_FLAGS)
 626         toolbarFlags = pHHInfo->WinType.fsToolBarFlags;
 627     else
 628         toolbarFlags = HHWIN_DEF_BUTTONS;
 629
 630     TB_AddButtonsFromFlags(buttons, toolbarFlags, &dwNumButtons);
 631
 632     dwStyles = WS_CHILDWINDOW | WS_VISIBLE | TBSTYLE_FLAT |
 633                TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
 634     dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 635
 636     hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
 637                                0, 0, 0, 0, hwndParent, NULL,
 638                                hhctrl_hinstance, NULL);
 639     if (!hToolbar)
 640         return FALSE;
 641
 642     SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
 643     SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 644     SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 645
 646     /* FIXME: Load correct icons for all buttons */
 647     tbAB.hInst = HINST_COMMCTRL;
 648     tbAB.nID = IDB_STD_LARGE_COLOR;
 649     SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
 650
 651     for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
 652     {
 653         LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
 654         DWORD dwLen = strlenW(szBuf);
 655         szBuf[dwLen + 1] = 0; /* Double-null terminate */
 656
 657         buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
 658         heap_free(szBuf);
 659     }
 660
 661     SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)buttons);
 662     SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
 663     ShowWindow(hToolbar, SW_SHOW);
 664
 665     pHHInfo->WinType.hwndToolBar = hToolbar;
 666     return TRUE;
 667 }
 668
 669 /* Navigation Pane */
 670
 671 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
 672 {
 673     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 674     HWND hwndToolbar = pHHInfo->WinType.hwndToolBar;
 675     RECT rectWND, rectTB;
 676
 677     GetClientRect(hwndParent, &rectWND);
 678     GetClientRect(hwndToolbar, &rectTB);
 679
 680     rc->left = 0;
 681     rc->top = rectTB.bottom;
 682     rc->bottom = rectWND.bottom - rectTB.bottom;
 683
 684     if (!(pHHInfo->WinType.fsValidMembers & HHWIN_PARAM_NAV_WIDTH) &&
 685           pHHInfo->WinType.iNavWidth == 0)
 686     {
 687         pHHInfo->WinType.iNavWidth = WINTYPE_DEFAULT_NAVWIDTH;
 688     }
 689
 690     rc->right = pHHInfo->WinType.iNavWidth;
 691 }
 692
 693 static DWORD NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD index)
 694 {
 695     TCITEMW tie;
 696     LPWSTR tabText = HH_LoadString(index);
 697     DWORD ret;
 698
 699     tie.mask = TCIF_TEXT;
 700     tie.pszText = tabText;
 701
 702     ret = SendMessageW( hwndTabCtrl, TCM_INSERTITEMW, index, (LPARAM)&tie );
 703
 704     heap_free(tabText);
 705     return ret;
 706 }
 707
 708 static BOOL HH_AddNavigationPane(HHInfo *info)
 709 {
 710     HWND hWnd, hwndTabCtrl;
 711     HWND hwndParent = info->WinType.hwndHelp;
 712     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE;
 713     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 714     RECT rc;
 715
 716     NP_GetNavigationRect(info, &rc);
 717
 718     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 719                            rc.left, rc.top, rc.right, rc.bottom,
 720                            hwndParent, NULL, hhctrl_hinstance, NULL);
 721     if (!hWnd)
 722         return FALSE;
 723
 724     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)info);
 725
 726     hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles,
 727                                   0, TAB_TOP_PADDING,
 728                                   rc.right - TAB_RIGHT_PADDING,
 729                                   rc.bottom - TAB_TOP_PADDING,
 730                                   hWnd, NULL, hhctrl_hinstance, NULL);
 731     if (!hwndTabCtrl)
 732         return FALSE;
 733
 734     if (*info->WinType.pszToc)
 735         info->tabs[TAB_CONTENTS].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_CONTENTS);
 736
 737     if (*info->WinType.pszIndex)
 738         info->tabs[TAB_INDEX].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_INDEX);
 739
 740     if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_SEARCH)
 741         info->tabs[TAB_SEARCH].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_SEARCH);
 742
 743     if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
 744         info->tabs[TAB_FAVORITES].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_FAVORITES);
 745
 746     SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)info->hFont, TRUE);
 747
 748     info->hwndTabCtrl = hwndTabCtrl;
 749     info->WinType.hwndNavigation = hWnd;
 750     return TRUE;
 751 }
 752
 753 /* HTML Pane */
 754
 755 static void HP_GetHTMLRect(HHInfo *info, RECT *rc)
 756 {
 757     RECT rectTB, rectWND, rectNP, rectSB;
 758
 759     GetClientRect(info->WinType.hwndHelp, &rectWND);
 760     GetClientRect(info->WinType.hwndToolBar, &rectTB);
 761     GetClientRect(info->WinType.hwndNavigation, &rectNP);
 762     GetClientRect(info->hwndSizeBar, &rectSB);
 763
 764     rc->left = rectNP.right + rectSB.right;
 765     rc->top = rectTB.bottom;
 766     rc->right = rectWND.right - rc->left;
 767     rc->bottom = rectWND.bottom - rectTB.bottom;
 768 }
 769
 770 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
 771 {
 772     HWND hWnd;
 773     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 774     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
 775     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
 776     RECT rc;
 777
 778     HP_GetHTMLRect(pHHInfo, &rc);
 779
 780     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 781                            rc.left, rc.top, rc.right, rc.bottom,
 782                            hwndParent, NULL, hhctrl_hinstance, NULL);
 783     if (!hWnd)
 784         return FALSE;
 785
 786     if (!InitWebBrowser(pHHInfo, hWnd))
 787         return FALSE;
 788
 789     /* store the pointer to the HH info struct */
 790     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 791
 792     ShowWindow(hWnd, SW_SHOW);
 793     UpdateWindow(hWnd);
 794
 795     pHHInfo->WinType.hwndHTML = hWnd;
 796     return TRUE;
 797 }
 798
 799 static BOOL AddContentTab(HHInfo *info)
 800 {
 801     if(info->tabs[TAB_CONTENTS].id == -1)
 802         return TRUE; /* No "Contents" tab */
 803     info->tabs[TAB_CONTENTS].hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, WC_TREEVIEWW,
 804            szEmpty, WS_CHILD | WS_BORDER | 0x25, 50, 50, 100, 100,
 805            info->WinType.hwndNavigation, NULL, hhctrl_hinstance, NULL);
 806     if(!info->tabs[TAB_CONTENTS].hwnd) {
 807         ERR("Could not create treeview control\n");
 808         return FALSE;
 809     }
 810
 811     ResizeTabChild(info, TAB_CONTENTS);
 812     ShowWindow(info->tabs[TAB_CONTENTS].hwnd, SW_SHOW);
 813
 814     return TRUE;
 815 }
 816
 817 static BOOL AddIndexTab(HHInfo *info)
 818 {
 819     char hidden_column[] = "Column";
 820     LVCOLUMNA lvc;
 821
 822     if(info->tabs[TAB_INDEX].id == -1)
 823         return TRUE; /* No "Index" tab */
 824     info->tabs[TAB_INDEX].hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
 825            szEmpty, WS_CHILD | WS_BORDER | LVS_SINGLESEL | LVS_REPORT | LVS_NOCOLUMNHEADER, 50, 50, 100, 100,
 826            info->WinType.hwndNavigation, NULL, hhctrl_hinstance, NULL);
 827     if(!info->tabs[TAB_INDEX].hwnd) {
 828         ERR("Could not create ListView control\n");
 829         return FALSE;
 830     }
 831     memset(&lvc, 0, sizeof(lvc));
 832     lvc.mask = LVCF_TEXT;
 833     lvc.pszText = hidden_column;
 834     if(SendMessageW(info->tabs[TAB_INDEX].hwnd, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
 835     {
 836         ERR("Could not create ListView column\n");
 837         return FALSE;
 838     }
 839
 840     ResizeTabChild(info, TAB_INDEX);
 841     ShowWindow(info->tabs[TAB_INDEX].hwnd, SW_HIDE);
 842
 843     return TRUE;
 844 }
 845
 846 /* The Index tab's sub-topic popup */
 847
 848 static void ResizePopupChild(HHInfo *info)
 849 {
 850     int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
 851     int border_width = GetSystemMetrics(SM_CXBORDER);
 852     int edge_width = GetSystemMetrics(SM_CXEDGE);
 853     INT width, height;
 854     RECT rect;
 855
 856     if(!info)
 857         return;
 858
 859     GetClientRect(info->popup.hwndPopup, &rect);
 860     SetWindowPos(info->popup.hwndCallback, HWND_TOP, 0, 0,
 861                  rect.right, rect.bottom, SWP_NOMOVE);
 862
 863     rect.left = TAB_MARGIN;
 864     rect.top = TAB_TOP_PADDING + TAB_MARGIN;
 865     rect.right -= TAB_RIGHT_PADDING + TAB_MARGIN;
 866     rect.bottom -= TAB_MARGIN;
 867     width = rect.right-rect.left;
 868     height = rect.bottom-rect.top;
 869
 870     SetWindowPos(info->popup.hwndList, NULL, rect.left, rect.top, width, height,
 871                  SWP_NOZORDER | SWP_NOACTIVATE);
 872
 873     SendMessageW(info->popup.hwndList, LVM_SETCOLUMNWIDTH, 0,
 874                  width-scroll_width-2*border_width-2*edge_width);
 875 }
 876
 877 static LRESULT CALLBACK HelpPopup_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 878 {
 879     HHInfo *info = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 880
 881     switch (message)
 882     {
 883     case WM_SIZE:
 884         ResizePopupChild(info);
 885         return 0;
 886     case WM_DESTROY:
 887         DestroyWindow(hWnd);
 888         return 0;
 889     case WM_CLOSE:
 890         ShowWindow(hWnd, SW_HIDE);
 891         return 0;
 892
 893     default:
 894         return DefWindowProcW(hWnd, message, wParam, lParam);
 895     }
 896
 897     return 0;
 898 }
 899
 900 static LRESULT CALLBACK PopupChild_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 901 {
 902     switch (message)
 903     {
 904     case WM_NOTIFY: {
 905         NMHDR *nmhdr = (NMHDR*)lParam;
 906         if(nmhdr->code == NM_DBLCLK) {
 907             HHInfo *info = (HHInfo*)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 908             IndexSubItem *iter;
 909
 910             if(info == 0 || lParam == 0)
 911                 return 0;
 912             iter = (IndexSubItem*) ((NMITEMACTIVATE *)lParam)->lParam;
 913             if(iter == 0)
 914                 return 0;
 915             NavigateToChm(info, info->index->merge.chm_file, iter->local);
 916             ShowWindow(info->popup.hwndPopup, SW_HIDE);
 917             return 0;
 918         }
 919         break;
 920     }
 921     default:
 922         return DefWindowProcW(hWnd, message, wParam, lParam);
 923     }
 924
 925     return 0;
 926 }
 927
 928 static BOOL AddIndexPopup(HHInfo *info)
 929 {
 930     static const WCHAR szPopupChildClass[] = {'H','H',' ','P','o','p','u','p',' ','C','h','i','l','d',0};
 931     static const WCHAR windowCaptionW[] = {'S','e','l','e','c','t',' ','T','o','p','i','c',':',0};
 932     static const WCHAR windowClassW[] = {'H','H',' ','P','o','p','u','p',0};
 933     HWND hwndList, hwndPopup, hwndCallback;
 934     char hidden_column[] = "Column";
 935     WNDCLASSEXW wcex;
 936     LVCOLUMNA lvc;
 937
 938     if(info->tabs[TAB_INDEX].id == -1)
 939         return TRUE; /* No "Index" tab */
 940
 941     wcex.cbSize         = sizeof(WNDCLASSEXW);
 942     wcex.style          = CS_HREDRAW | CS_VREDRAW;
 943     wcex.lpfnWndProc    = HelpPopup_WndProc;
 944     wcex.cbClsExtra     = 0;
 945     wcex.cbWndExtra     = 0;
 946     wcex.hInstance      = hhctrl_hinstance;
 947     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 948     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 949     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 950     wcex.lpszMenuName   = NULL;
 951     wcex.lpszClassName  = windowClassW;
 952     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 953     RegisterClassExW(&wcex);
 954
 955     wcex.cbSize         = sizeof(WNDCLASSEXW);
 956     wcex.style          = 0;
 957     wcex.lpfnWndProc    = PopupChild_WndProc;
 958     wcex.cbClsExtra     = 0;
 959     wcex.cbWndExtra     = 0;
 960     wcex.hInstance      = hhctrl_hinstance;
 961     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 962     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 963     wcex.hbrBackground  = (HBRUSH)(COLOR_BTNFACE + 1);
 964     wcex.lpszMenuName   = NULL;
 965     wcex.lpszClassName  = szPopupChildClass;
 966     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 967     RegisterClassExW(&wcex);
 968
 969     hwndPopup = CreateWindowExW(WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW
 970                                  | WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR,
 971                                 windowClassW, windowCaptionW, WS_POPUPWINDOW
 972                                  | WS_OVERLAPPEDWINDOW | WS_VISIBLE
 973                                  | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, CW_USEDEFAULT,
 974                                 CW_USEDEFAULT, 300, 200, info->WinType.hwndHelp,
 975                                 NULL, hhctrl_hinstance, NULL);
 976     if (!hwndPopup)
 977         return FALSE;
 978
 979     hwndCallback = CreateWindowExW(WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR,
 980                                    szPopupChildClass, szEmpty, WS_CHILDWINDOW | WS_VISIBLE,
 981                                    0, 0, 0, 0,
 982                                    hwndPopup, NULL, hhctrl_hinstance, NULL);
 983     if (!hwndCallback)
 984         return FALSE;
 985
 986     ShowWindow(hwndPopup, SW_HIDE);
 987     hwndList = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW, szEmpty,
 988                                WS_CHILD | WS_BORDER | LVS_SINGLESEL | LVS_REPORT
 989                                 | LVS_NOCOLUMNHEADER, 50, 50, 100, 100,
 990                                hwndCallback, NULL, hhctrl_hinstance, NULL);
 991     if(!hwndList) {
 992         ERR("Could not create popup ListView control\n");
 993         return FALSE;
 994     }
 995     memset(&lvc, 0, sizeof(lvc));
 996     lvc.mask = LVCF_TEXT;
 997     lvc.pszText = hidden_column;
 998     if(SendMessageW(hwndList, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
 999     {
1000         ERR("Could not create popup ListView column\n");
1001         return FALSE;
1002     }
1003
1004     info->popup.hwndCallback = hwndCallback;
1005     info->popup.hwndPopup = hwndPopup;
1006     info->popup.hwndList = hwndList;
1007     SetWindowLongPtrW(hwndPopup, GWLP_USERDATA, (LONG_PTR)info);
1008     SetWindowLongPtrW(hwndCallback, GWLP_USERDATA, (LONG_PTR)info);
1009
1010     ResizePopupChild(info);
1011     ShowWindow(hwndList, SW_SHOW);
1012
1013     return TRUE;
1014 }
1015
1016 /* Viewer Window */
1017
1018 static LRESULT Help_OnSize(HWND hWnd)
1019 {
1020     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
1021     DWORD dwSize;
1022     RECT rc;
1023
1024     if (!pHHInfo)
1025         return 0;
1026
1027     NP_GetNavigationRect(pHHInfo, &rc);
1028     SetWindowPos(pHHInfo->WinType.hwndNavigation, HWND_TOP, 0, 0,
1029                  rc.right, rc.bottom, SWP_NOMOVE);
1030
1031     SB_GetSizeBarRect(pHHInfo, &rc);
1032     SetWindowPos(pHHInfo->hwndSizeBar, HWND_TOP, rc.left, rc.top,
1033                  rc.right, rc.bottom, SWP_SHOWWINDOW);
1034
1035     HP_GetHTMLRect(pHHInfo, &rc);
1036     SetWindowPos(pHHInfo->WinType.hwndHTML, HWND_TOP, rc.left, rc.top,
1037                  rc.right, rc.bottom, SWP_SHOWWINDOW);
1038
1039     /* Resize browser window taking the frame size into account */
1040     dwSize = GetSystemMetrics(SM_CXFRAME);
1041     ResizeWebBrowser(pHHInfo, rc.right - dwSize, rc.bottom - dwSize);
1042
1043     return 0;
1044 }
1045
1046 static LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1047 {
1048     switch (message)
1049     {
1050     case WM_COMMAND:
1051         if (HIWORD(wParam) == BN_CLICKED)
1052             TB_OnClick(hWnd, LOWORD(wParam));
1053         break;
1054     case WM_SIZE:
1055         return Help_OnSize(hWnd);
1056     case WM_CLOSE:
1057         ReleaseHelpViewer((HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA));
1058         return 0;
1059     case WM_DESTROY:
1060         if(hh_process)
1061             PostQuitMessage(0);
1062         break;
1063
1064     default:
1065         return DefWindowProcW(hWnd, message, wParam, lParam);
1066     }
1067
1068     return 0;
1069 }
1070
1071 static BOOL HH_CreateHelpWindow(HHInfo *info)
1072 {
1073     HWND hWnd;
1074     RECT winPos = info->WinType.rcWindowPos;
1075     WNDCLASSEXW wcex;
1076     DWORD dwStyles, dwExStyles;
1077     DWORD x, y, width, height;
1078
1079     static const WCHAR windowClassW[] = {
1080         'H','H',' ', 'P','a','r','e','n','t',0
1081     };
1082
1083     wcex.cbSize         = sizeof(WNDCLASSEXW);
1084     wcex.style          = CS_HREDRAW | CS_VREDRAW;
1085     wcex.lpfnWndProc    = Help_WndProc;
1086     wcex.cbClsExtra     = 0;
1087     wcex.cbWndExtra     = 0;
1088     wcex.hInstance      = hhctrl_hinstance;
1089     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1090     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
1091     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
1092     wcex.lpszMenuName   = NULL;
1093     wcex.lpszClassName  = windowClassW;
1094     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1095
1096     RegisterClassExW(&wcex);
1097
1098     /* Read in window parameters if available */
1099     if (info->WinType.fsValidMembers & HHWIN_PARAM_STYLES)
1100         dwStyles = info->WinType.dwStyles | WS_OVERLAPPEDWINDOW;
1101     else
1102         dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
1103                    WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
1104
1105     if (info->WinType.fsValidMembers & HHWIN_PARAM_EXSTYLES)
1106         dwExStyles = info->WinType.dwExStyles;
1107     else
1108         dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
1109                      WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
1110
1111     if (info->WinType.fsValidMembers & HHWIN_PARAM_RECT)
1112     {
1113         x = winPos.left;
1114         y = winPos.top;
1115         width = winPos.right - x;
1116         height = winPos.bottom - y;
1117     }
1118     else
1119     {
1120         x = WINTYPE_DEFAULT_X;
1121         y = WINTYPE_DEFAULT_Y;
1122         width = WINTYPE_DEFAULT_WIDTH;
1123         height = WINTYPE_DEFAULT_HEIGHT;
1124     }
1125
1126     hWnd = CreateWindowExW(dwExStyles, windowClassW, info->WinType.pszCaption,
1127                            dwStyles, x, y, width, height, NULL, NULL, hhctrl_hinstance, NULL);
1128     if (!hWnd)
1129         return FALSE;
1130
1131     ShowWindow(hWnd, SW_SHOW);
1132     UpdateWindow(hWnd);
1133
1134     /* store the pointer to the HH info struct */
1135     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)info);
1136
1137     info->WinType.hwndHelp = hWnd;
1138     return TRUE;
1139 }
1140
1141 static void HH_CreateFont(HHInfo *pHHInfo)
1142 {
1143     LOGFONTW lf;
1144
1145     GetObjectW(GetStockObject(ANSI_VAR_FONT), sizeof(LOGFONTW), &lf);
1146     lf.lfWeight = FW_NORMAL;
1147     lf.lfItalic = FALSE;
1148     lf.lfUnderline = FALSE;
1149
1150     pHHInfo->hFont = CreateFontIndirectW(&lf);
1151 }
1152
1153 static void HH_InitRequiredControls(DWORD dwControls)
1154 {
1155     INITCOMMONCONTROLSEX icex;
1156
1157     icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
1158     icex.dwICC = dwControls;
1159     InitCommonControlsEx(&icex);
1160 }
1161
1162 /* Creates the whole package */
1163 static BOOL CreateViewer(HHInfo *pHHInfo)
1164 {
1165     HH_CreateFont(pHHInfo);
1166
1167     if (!HH_CreateHelpWindow(pHHInfo))
1168         return FALSE;
1169
1170     HH_InitRequiredControls(ICC_BAR_CLASSES);
1171
1172     if (!HH_AddToolbar(pHHInfo))
1173         return FALSE;
1174
1175     HH_RegisterChildWndClass(pHHInfo);
1176
1177     if (!HH_AddNavigationPane(pHHInfo))
1178         return FALSE;
1179
1180     HH_RegisterSizeBarClass(pHHInfo);
1181
1182     if (!HH_AddSizeBar(pHHInfo))
1183         return FALSE;
1184
1185     if (!HH_AddHTMLPane(pHHInfo))
1186         return FALSE;
1187
1188     if (!AddContentTab(pHHInfo))
1189         return FALSE;
1190
1191     if (!AddIndexTab(pHHInfo))
1192         return FALSE;
1193
1194     if (!AddIndexPopup(pHHInfo))
1195         return FALSE;
1196
1197     InitContent(pHHInfo);
1198     InitIndex(pHHInfo);
1199
1200     return TRUE;
1201 }
1202
1203 void ReleaseHelpViewer(HHInfo *info)
1204 {
1205     TRACE("(%p)\n", info);
1206
1207     if (!info)
1208         return;
1209
1210     /* Free allocated strings */
1211     heap_free(info->pszType);
1212     heap_free(info->pszCaption);
1213     heap_free(info->pszToc);
1214     heap_free(info->pszIndex);
1215     heap_free(info->pszFile);
1216     heap_free(info->pszHome);
1217     heap_free(info->pszJump1);
1218     heap_free(info->pszJump2);
1219     heap_free(info->pszUrlJump1);
1220     heap_free(info->pszUrlJump2);
1221
1222     if (info->pCHMInfo)
1223         CloseCHM(info->pCHMInfo);
1224
1225     ReleaseWebBrowser(info);
1226     ReleaseContent(info);
1227     ReleaseIndex(info);
1228
1229     if(info->WinType.hwndHelp)
1230         DestroyWindow(info->WinType.hwndHelp);
1231
1232     heap_free(info);
1233     OleUninitialize();
1234 }
1235
1236 HHInfo *CreateHelpViewer(LPCWSTR filename)
1237 {
1238     HHInfo *info = heap_alloc_zero(sizeof(HHInfo));
1239     int i;
1240
1241     /* Set the invalid tab ID (-1) as the default value for all
1242      * of the tabs, this matches a failed TCM_INSERTITEM call.
1243      */
1244     for(i=0;i<sizeof(info->tabs)/sizeof(HHTab);i++)
1245         info->tabs[i].id = -1;
1246
1247     OleInitialize(NULL);
1248
1249     info->pCHMInfo = OpenCHM(filename);
1250     if(!info->pCHMInfo) {
1251         ReleaseHelpViewer(info);
1252         return NULL;
1253     }
1254
1255     if (!LoadWinTypeFromCHM(info)) {
1256         ReleaseHelpViewer(info);
1257         return NULL;
1258     }
1259
1260     if(!CreateViewer(info)) {
1261         ReleaseHelpViewer(info);
1262         return NULL;
1263     }
1264
1265     return info;
1266 }