dlls/hhctrl.ocx/help.c

   1 /*
   2  * Help Viewer Implementation
   3  *
   4  * Copyright 2005 James Hawkins
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wingdi.h"
  26 #include "winuser.h"
  27 #include "winnls.h"
  28 #include "commctrl.h"
  29 #include "htmlhelp.h"
  30 #include "ole2.h"
  31 #include "wine/unicode.h"
  32
  33 #include "resource.h"
  34 #include "chm.h"
  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    251
  43
  44 typedef struct tagHHInfo
  45 {
  46     HH_WINTYPEW *pHHWinType;
  47     CHMInfo *pCHMInfo;
  48     HINSTANCE hInstance;
  49     LPWSTR szCmdLine;
  50     HWND hwndTabCtrl;
  51     HFONT hFont;
  52 } HHInfo;
  53
  54 extern HINSTANCE hhctrl_hinstance;
  55
  56 static LPWSTR HH_ANSIToUnicode(LPCSTR ansi)
  57 {
  58     LPWSTR unicode;
  59     int count;
  60
  61     count = MultiByteToWideChar(CP_ACP, 0, ansi, -1, NULL, 0);
  62     unicode = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
  63     MultiByteToWideChar(CP_ACP, 0, ansi, -1, unicode, count);
  64
  65     return unicode;
  66 }
  67
  68 /* Loads a string from the resource file */
  69 static LPWSTR HH_LoadString(DWORD dwID)
  70 {
  71     LPWSTR string = NULL;
  72     int iSize;
  73
  74     iSize = LoadStringW(hhctrl_hinstance, dwID, NULL, 0);
  75     iSize += 2; /* some strings (tab text) needs double-null termination */
  76
  77     string = HeapAlloc(GetProcessHeap(), 0, iSize * sizeof(WCHAR));
  78     LoadStringW(hhctrl_hinstance, dwID, string, iSize);
  79
  80     return string;
  81 }
  82
  83 /* Child Window */
  84
  85 static const WCHAR szChildClass[] = {
  86     'H','H',' ','C','h','i','l','d',0
  87 };
  88
  89 static const WCHAR szEmpty[] = {0};
  90
  91 static void Child_OnPaint(HWND hWnd)
  92 {
  93     PAINTSTRUCT ps;
  94     HDC hdc;
  95     RECT rc;
  96
  97     hdc = BeginPaint(hWnd, &ps);
  98
  99     /* Only paint the Navigation pane, identified by the fact
 100      * that it has a child window
 101      */
 102     if (GetWindow(hWnd, GW_CHILD))
 103     {
 104         GetClientRect(hWnd, &rc);
 105
 106         /* set the border color */
 107         SelectObject(hdc, GetStockObject(DC_PEN));
 108         SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
 109
 110         /* Draw the top and right borders */
 111         MoveToEx(hdc, 0, 0, NULL);
 112         LineTo(hdc, rc.right - 1, 0);
 113         LineTo(hdc, rc.right - 1, rc.bottom);
 114
 115         /* Fill in the background, taking the border lines into account */
 116         rc.top += 2;
 117         rc.right -= 1;
 118         FillRect(hdc, &rc, GetSysColorBrush(COLOR_3DFACE));
 119     }
 120
 121     EndPaint(hWnd, &ps);
 122 }
 123
 124 LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 125 {
 126     switch (message)
 127     {
 128         case WM_PAINT:
 129             Child_OnPaint(hWnd);
 130             break;
 131         default:
 132             return DefWindowProcW(hWnd, message, wParam, lParam);
 133     }
 134
 135     return 0;
 136 }
 137
 138 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
 139 {
 140     WNDCLASSEXW wcex;
 141
 142     wcex.cbSize         = sizeof(WNDCLASSEXW);
 143     wcex.style          = 0;
 144     wcex.lpfnWndProc    = (WNDPROC)Child_WndProc;
 145     wcex.cbClsExtra     = 0;
 146     wcex.cbWndExtra     = 0;
 147     wcex.hInstance      = pHHInfo->hInstance;
 148     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 149     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 150     wcex.hbrBackground  = (HBRUSH)(COLOR_3DFACE);
 151     wcex.lpszMenuName   = NULL;
 152     wcex.lpszClassName  = szChildClass;
 153     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 154
 155     RegisterClassExW(&wcex);
 156 }
 157
 158 /* Toolbar */
 159
 160 #define ICON_SIZE   20
 161
 162 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID)
 163 {
 164     /* FIXME: Load the correct button bitmaps */
 165     pButtons[dwIndex].iBitmap = STD_PRINT;
 166     pButtons[dwIndex].idCommand = dwID;
 167     pButtons[dwIndex].fsState = TBSTATE_ENABLED;
 168     pButtons[dwIndex].fsStyle = BTNS_BUTTON;
 169     pButtons[dwIndex].dwData = 0;
 170     pButtons[dwIndex].iString = 0;
 171 }
 172
 173 static void TB_AddButtonsFromFlags(TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
 174 {
 175     *pdwNumButtons = 0;
 176
 177     if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
 178         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND);
 179
 180     if (dwButtonFlags & HHWIN_BUTTON_BACK)
 181         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK);
 182
 183     if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
 184         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD);
 185
 186     if (dwButtonFlags & HHWIN_BUTTON_STOP)
 187         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP);
 188
 189     if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
 190         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH);
 191
 192     if (dwButtonFlags & HHWIN_BUTTON_HOME)
 193         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME);
 194
 195     if (dwButtonFlags & HHWIN_BUTTON_SYNC)
 196         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC);
 197
 198     if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
 199         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS);
 200
 201     if (dwButtonFlags & HHWIN_BUTTON_PRINT)
 202         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT);
 203
 204     if (dwButtonFlags & HHWIN_BUTTON_JUMP1)
 205         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_JUMP1);
 206
 207     if (dwButtonFlags & HHWIN_BUTTON_JUMP2)
 208         TB_AddButton(pButtons,(*pdwNumButtons)++, IDTB_JUMP2);
 209
 210     if (dwButtonFlags & HHWIN_BUTTON_ZOOM)
 211         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_ZOOM);
 212
 213     if (dwButtonFlags & HHWIN_BUTTON_TOC_NEXT)
 214         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_NEXT);
 215
 216     if (dwButtonFlags & HHWIN_BUTTON_TOC_PREV)
 217         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_PREV);
 218 }
 219
 220 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
 221 {
 222     HWND hToolbar;
 223     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 224     DWORD toolbarFlags;
 225     TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
 226     TBADDBITMAP tbAB;
 227     DWORD dwStyles, dwExStyles;
 228     DWORD dwNumButtons, dwIndex;
 229
 230     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PARAM_TB_FLAGS)
 231         toolbarFlags = pHHInfo->pHHWinType->fsToolBarFlags;
 232     else
 233         toolbarFlags = HHWIN_DEF_BUTTONS;
 234
 235     TB_AddButtonsFromFlags(buttons, toolbarFlags, &dwNumButtons);
 236
 237     dwStyles = WS_CHILDWINDOW | WS_VISIBLE | TBSTYLE_FLAT |
 238                TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
 239     dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 240
 241     hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
 242                                0, 0, 0, 0, hwndParent, NULL,
 243                                pHHInfo->hInstance, NULL);
 244     if (!hToolbar)
 245         return FALSE;
 246
 247     SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
 248     SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 249     SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 250
 251     /* FIXME: Load correct icons for all buttons */
 252     tbAB.hInst = HINST_COMMCTRL;
 253     tbAB.nID = IDB_STD_LARGE_COLOR;
 254     SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
 255
 256     for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
 257     {
 258         LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
 259         DWORD dwLen = strlenW(szBuf);
 260         szBuf[dwLen + 2] = 0; /* Double-null terminate */
 261
 262         buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
 263         HeapFree(GetProcessHeap(), 0, szBuf);
 264     }
 265
 266     SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)&buttons);
 267     SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
 268     ShowWindow(hToolbar, SW_SHOW);
 269
 270     pHHInfo->pHHWinType->hwndToolBar = hToolbar;
 271     return TRUE;
 272 }
 273
 274 /* Navigation Pane */
 275
 276 #define TAB_PADDING         2
 277 #define TAB_TOP_PADDING     8
 278 #define TAB_RIGHT_PADDING   4
 279
 280 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
 281 {
 282     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 283     HWND hwndToolbar = pHHInfo->pHHWinType->hwndToolBar;
 284     RECT rectWND, rectTB;
 285
 286     GetClientRect(hwndParent, &rectWND);
 287     GetClientRect(hwndToolbar, &rectTB);
 288
 289     rc->left = 0;
 290     rc->top = rectTB.bottom;
 291     rc->bottom = rectWND.bottom - rectTB.bottom;
 292
 293     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_NAV_WIDTH)
 294         rc->right = pHHInfo->pHHWinType->iNavWidth;
 295     else
 296         rc->right = WINTYPE_DEFAULT_NAVWIDTH;
 297 }
 298
 299 static void NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD dwStrID, DWORD dwIndex)
 300 {
 301     TCITEMW tie;
 302     LPWSTR tabText = HH_LoadString(dwStrID);
 303
 304     tie.mask = TCIF_TEXT;
 305     tie.pszText = tabText;
 306
 307     TabCtrl_InsertItemW(hwndTabCtrl, dwIndex, &tie);
 308     HeapFree(GetProcessHeap(), 0, tabText);
 309 }
 310
 311 static BOOL HH_AddNavigationPane(HHInfo *pHHInfo)
 312 {
 313     HWND hWnd, hwndTabCtrl;
 314     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 315     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE;
 316     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 317     DWORD dwIndex = 0;
 318     RECT rc;
 319
 320     NP_GetNavigationRect(pHHInfo, &rc);
 321
 322     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 323                            rc.left, rc.top, rc.right, rc.bottom,
 324                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 325     if (!hWnd)
 326         return FALSE;
 327
 328     hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles,
 329                                   TAB_PADDING, TAB_TOP_PADDING,
 330                                   rc.right - TAB_PADDING - TAB_RIGHT_PADDING,
 331                                   rc.bottom - TAB_PADDING - TAB_TOP_PADDING,
 332                                   hWnd, NULL, pHHInfo->hInstance, NULL);
 333     if (!hwndTabCtrl)
 334         return FALSE;
 335
 336     if (pHHInfo->pHHWinType->pszToc)
 337         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_CONTENTS, dwIndex++);
 338
 339     if (pHHInfo->pHHWinType->pszIndex)
 340         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_INDEX, dwIndex++);
 341
 342     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PROP_TAB_SEARCH)
 343         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_SEARCH, dwIndex++);
 344
 345     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
 346         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_FAVORITES, dwIndex++);
 347
 348     SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 349
 350     pHHInfo->hwndTabCtrl = hwndTabCtrl;
 351     pHHInfo->pHHWinType->hwndNavigation = hWnd;
 352     return TRUE;
 353 }
 354
 355 /* HTML Pane */
 356
 357 static void HP_GetHTMLRect(HHInfo *pHHInfo, RECT *rc)
 358 {
 359     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 360     HWND hwndToolbar = pHHInfo->pHHWinType->hwndToolBar;
 361     HWND hwndNavigation = pHHInfo->pHHWinType->hwndNavigation;
 362     RECT rectTB, rectWND, rectNP;
 363
 364     GetClientRect(hwndParent, &rectWND);
 365     GetClientRect(hwndToolbar, &rectTB);
 366     GetClientRect(hwndNavigation, &rectNP);
 367
 368     rc->left = rectNP.right;
 369     rc->top = rectTB.bottom;
 370     rc->right = rectWND.right - rectNP.right;
 371     rc->bottom = rectWND.bottom - rectTB.bottom;
 372 }
 373
 374 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
 375 {
 376     HWND hWnd;
 377     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 378     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
 379     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
 380     RECT rc;
 381
 382     HP_GetHTMLRect(pHHInfo, &rc);
 383
 384     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 385                            rc.left, rc.top, rc.right, rc.bottom,
 386                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 387     if (!hWnd)
 388         return FALSE;
 389
 390     /* store the pointer to the HH info struct */
 391     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 392
 393     ShowWindow(hWnd, SW_SHOW);
 394     UpdateWindow(hWnd);
 395
 396     pHHInfo->pHHWinType->hwndHTML = hWnd;
 397     return TRUE;
 398 }
 399
 400 /* Viewer Window */
 401
 402 static void Help_OnSize(HWND hWnd, LPARAM lParam)
 403 {
 404     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 405     RECT rc;
 406
 407     if (!pHHInfo)
 408         return;
 409
 410     /* Only resize the Navigation pane vertically */
 411     if (HIWORD(lParam))
 412     {
 413         NP_GetNavigationRect(pHHInfo, &rc);
 414         SetWindowPos(pHHInfo->pHHWinType->hwndNavigation, HWND_TOP, 0, 0,
 415                      rc.right, rc.bottom, SWP_NOMOVE);
 416
 417         GetClientRect(pHHInfo->pHHWinType->hwndNavigation, &rc);
 418         SetWindowPos(pHHInfo->hwndTabCtrl, HWND_TOP, 0, 0,
 419                      rc.right - TAB_PADDING - TAB_RIGHT_PADDING,
 420                      rc.bottom - TAB_PADDING - TAB_TOP_PADDING, SWP_NOMOVE);
 421     }
 422
 423     HP_GetHTMLRect(pHHInfo, &rc);
 424     SetWindowPos(pHHInfo->pHHWinType->hwndHTML, HWND_TOP, 0, 0,
 425                  LOWORD(lParam), HIWORD(lParam), SWP_NOMOVE);
 426 }
 427
 428 LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 429 {
 430     PAINTSTRUCT ps;
 431     HDC hdc;
 432
 433     switch (message)
 434     {
 435         case WM_SIZE:
 436             Help_OnSize(hWnd, lParam);
 437             break;
 438         case WM_PAINT:
 439             hdc = BeginPaint(hWnd, &ps);
 440             EndPaint(hWnd, &ps);
 441             break;
 442         case WM_DESTROY:
 443             PostQuitMessage(0);
 444             break;
 445
 446         default:
 447             return DefWindowProcW(hWnd, message, wParam, lParam);
 448     }
 449
 450     return 0;
 451 }
 452
 453 static BOOL HH_CreateHelpWindow(HHInfo *pHHInfo)
 454 {
 455     HWND hWnd;
 456     HINSTANCE hInstance = pHHInfo->hInstance;
 457     RECT winPos = pHHInfo->pHHWinType->rcWindowPos;
 458     WNDCLASSEXW wcex;
 459     DWORD dwStyles, dwExStyles;
 460     DWORD x, y, width, height;
 461
 462     static const WCHAR windowClassW[] = {
 463         'H','H',' ', 'P','a','r','e','n','t',0
 464     };
 465
 466     wcex.cbSize         = sizeof(WNDCLASSEXW);
 467     wcex.style          = CS_HREDRAW | CS_VREDRAW;
 468     wcex.lpfnWndProc    = (WNDPROC)Help_WndProc;
 469     wcex.cbClsExtra     = 0;
 470     wcex.cbWndExtra     = 0;
 471     wcex.hInstance      = hInstance;
 472     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 473     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 474     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 475     wcex.lpszMenuName   = NULL;
 476     wcex.lpszClassName  = windowClassW;
 477     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 478
 479     RegisterClassExW(&wcex);
 480
 481     /* Read in window parameters if available */
 482     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_STYLES)
 483         dwStyles = pHHInfo->pHHWinType->dwStyles;
 484     else
 485         dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
 486                    WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
 487
 488     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_EXSTYLES)
 489         dwExStyles = pHHInfo->pHHWinType->dwExStyles;
 490     else
 491         dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
 492                      WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
 493
 494     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_RECT)
 495     {
 496         x = winPos.left;
 497         y = winPos.top;
 498         width = winPos.right - x;
 499         height = winPos.bottom - y;
 500     }
 501     else
 502     {
 503         x = WINTYPE_DEFAULT_X;
 504         y = WINTYPE_DEFAULT_Y;
 505         width = WINTYPE_DEFAULT_WIDTH;
 506         height = WINTYPE_DEFAULT_HEIGHT;
 507     }
 508
 509     hWnd = CreateWindowExW(dwExStyles, windowClassW, pHHInfo->pHHWinType->pszCaption,
 510                            dwStyles, x, y, width, height, NULL, NULL, hInstance, NULL);
 511     if (!hWnd)
 512         return FALSE;
 513
 514     ShowWindow(hWnd, SW_SHOW);
 515     UpdateWindow(hWnd);
 516
 517     /* store the pointer to the HH info struct */
 518     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 519
 520     pHHInfo->pHHWinType->hwndHelp = hWnd;
 521     return TRUE;
 522 }
 523
 524 static void HH_CreateFont(HHInfo *pHHInfo)
 525 {
 526     LOGFONTW lf;
 527
 528     GetObjectW(GetStockObject(ANSI_VAR_FONT), sizeof(LOGFONTW), &lf);
 529     lf.lfWeight = FW_NORMAL;
 530     lf.lfItalic = FALSE;
 531     lf.lfUnderline = FALSE;
 532
 533     pHHInfo->hFont = CreateFontIndirectW(&lf);
 534 }
 535
 536 static void HH_InitRequiredControls(DWORD dwControls)
 537 {
 538     INITCOMMONCONTROLSEX icex;
 539
 540     icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 541     icex.dwICC = dwControls;
 542     InitCommonControlsEx(&icex);
 543 }
 544
 545 /* Creates the whole package */
 546 static BOOL HH_CreateViewer(HHInfo *pHHInfo)
 547 {
 548     HH_CreateFont(pHHInfo);
 549
 550     if (!HH_CreateHelpWindow(pHHInfo))
 551         return FALSE;
 552
 553     HH_InitRequiredControls(ICC_BAR_CLASSES);
 554
 555     if (!HH_AddToolbar(pHHInfo))
 556         return FALSE;
 557
 558     HH_RegisterChildWndClass(pHHInfo);
 559
 560     if (!HH_AddNavigationPane(pHHInfo))
 561         return FALSE;
 562
 563     if (!HH_AddHTMLPane(pHHInfo))
 564         return FALSE;
 565
 566     return TRUE;
 567 }
 568
 569 static HHInfo *HH_OpenHH(HINSTANCE hInstance, LPWSTR szCmdLine)
 570 {
 571     HHInfo *pHHInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HHInfo));
 572
 573     pHHInfo->pHHWinType = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HH_WINTYPEW));
 574     pHHInfo->pCHMInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(CHMInfo));
 575     pHHInfo->hInstance = hInstance;
 576     pHHInfo->szCmdLine = szCmdLine;
 577
 578     return pHHInfo;
 579 }
 580
 581 static void HH_Close(HHInfo *pHHInfo)
 582 {
 583     if (!pHHInfo)
 584         return;
 585
 586     /* Free allocated strings */
 587     if (pHHInfo->pHHWinType)
 588     {
 589         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszType);
 590         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszCaption);
 591         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszToc);
 592         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszType);
 593         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszIndex);
 594         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszFile);
 595         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszHome);
 596         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszJump1);
 597         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszJump2);
 598         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszUrlJump1);
 599         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszUrlJump2);
 600     }
 601
 602     HeapFree(GetProcessHeap(), 0, pHHInfo->pHHWinType);
 603     HeapFree(GetProcessHeap(), 0, pHHInfo->pCHMInfo);
 604     HeapFree(GetProcessHeap(), 0, pHHInfo->szCmdLine);
 605 }
 606
 607 static BOOL HH_OpenCHM(HHInfo *pHHInfo)
 608 {
 609     if (!CHM_OpenCHM(pHHInfo->pCHMInfo, pHHInfo->szCmdLine))
 610         return FALSE;
 611
 612     if (!CHM_LoadWinTypeFromCHM(pHHInfo->pCHMInfo, pHHInfo->pHHWinType))
 613         return FALSE;
 614
 615     return TRUE;
 616 }
 617
 618 /* FIXME: Check szCmdLine for bad arguments */
 619 int WINAPI doWinMain(HINSTANCE hInstance, LPSTR szCmdLine)
 620 {
 621     MSG msg;
 622     HHInfo *pHHInfo;
 623
 624     if (OleInitialize(NULL) != S_OK)
 625         return -1;
 626
 627     pHHInfo = HH_OpenHH(hInstance, HH_ANSIToUnicode(szCmdLine));
 628     if (!pHHInfo || !HH_OpenCHM(pHHInfo) || !HH_CreateViewer(pHHInfo))
 629     {
 630         OleUninitialize();
 631         return -1;
 632     }
 633
 634     while (GetMessageW(&msg, 0, 0, 0))
 635     {
 636         TranslateMessage(&msg);
 637         DispatchMessageW(&msg);
 638     }
 639
 640     HH_Close(pHHInfo);
 641     HeapFree(GetProcessHeap(), 0, pHHInfo);
 642     OleUninitialize();
 643
 644     return 0;
 645 }