git.oblomov.eu Git - wine/blob - 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 #include "webbrowser.h"
  36
  37 /* Window type defaults */
  38
  39 #define WINTYPE_DEFAULT_X           280
  40 #define WINTYPE_DEFAULT_Y           100
  41 #define WINTYPE_DEFAULT_WIDTH       740
  42 #define WINTYPE_DEFAULT_HEIGHT      640
  43 #define WINTYPE_DEFAULT_NAVWIDTH    251
  44
  45 typedef struct tagHHInfo
  46 {
  47     HH_WINTYPEW *pHHWinType;
  48     CHMInfo *pCHMInfo;
  49     WBInfo *pWBInfo;
  50     HINSTANCE hInstance;
  51     LPWSTR szCmdLine;
  52     HWND hwndTabCtrl;
  53     HFONT hFont;
  54 } HHInfo;
  55
  56 extern HINSTANCE hhctrl_hinstance;
  57
  58 static LPWSTR HH_ANSIToUnicode(LPCSTR ansi)
  59 {
  60     LPWSTR unicode;
  61     int count;
  62
  63     count = MultiByteToWideChar(CP_ACP, 0, ansi, -1, NULL, 0);
  64     unicode = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
  65     MultiByteToWideChar(CP_ACP, 0, ansi, -1, unicode, count);
  66
  67     return unicode;
  68 }
  69
  70 /* Loads a string from the resource file */
  71 static LPWSTR HH_LoadString(DWORD dwID)
  72 {
  73     LPWSTR string = NULL;
  74     int iSize;
  75
  76     iSize = LoadStringW(hhctrl_hinstance, dwID, NULL, 0);
  77     iSize += 2; /* some strings (tab text) needs double-null termination */
  78
  79     string = HeapAlloc(GetProcessHeap(), 0, iSize * sizeof(WCHAR));
  80     LoadStringW(hhctrl_hinstance, dwID, string, iSize);
  81
  82     return string;
  83 }
  84
  85 /* Child Window */
  86
  87 static const WCHAR szChildClass[] = {
  88     'H','H',' ','C','h','i','l','d',0
  89 };
  90
  91 static const WCHAR szEmpty[] = {0};
  92
  93 static void Child_OnPaint(HWND hWnd)
  94 {
  95     PAINTSTRUCT ps;
  96     HDC hdc;
  97     RECT rc;
  98
  99     hdc = BeginPaint(hWnd, &ps);
 100
 101     /* Only paint the Navigation pane, identified by the fact
 102      * that it has a child window
 103      */
 104     if (GetWindow(hWnd, GW_CHILD))
 105     {
 106         GetClientRect(hWnd, &rc);
 107
 108         /* set the border color */
 109         SelectObject(hdc, GetStockObject(DC_PEN));
 110         SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
 111
 112         /* Draw the top and right borders */
 113         MoveToEx(hdc, 0, 0, NULL);
 114         LineTo(hdc, rc.right - 1, 0);
 115         LineTo(hdc, rc.right - 1, rc.bottom);
 116
 117         /* Fill in the background, taking the border lines into account */
 118         rc.top += 2;
 119         rc.right -= 1;
 120         FillRect(hdc, &rc, GetSysColorBrush(COLOR_3DFACE));
 121     }
 122
 123     EndPaint(hWnd, &ps);
 124 }
 125
 126 LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 127 {
 128     switch (message)
 129     {
 130         case WM_PAINT:
 131             Child_OnPaint(hWnd);
 132             break;
 133         default:
 134             return DefWindowProcW(hWnd, message, wParam, lParam);
 135     }
 136
 137     return 0;
 138 }
 139
 140 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
 141 {
 142     WNDCLASSEXW wcex;
 143
 144     wcex.cbSize         = sizeof(WNDCLASSEXW);
 145     wcex.style          = 0;
 146     wcex.lpfnWndProc    = (WNDPROC)Child_WndProc;
 147     wcex.cbClsExtra     = 0;
 148     wcex.cbWndExtra     = 0;
 149     wcex.hInstance      = pHHInfo->hInstance;
 150     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 151     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 152     wcex.hbrBackground  = (HBRUSH)(COLOR_3DFACE);
 153     wcex.lpszMenuName   = NULL;
 154     wcex.lpszClassName  = szChildClass;
 155     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 156
 157     RegisterClassExW(&wcex);
 158 }
 159
 160 /* Toolbar */
 161
 162 #define ICON_SIZE   20
 163
 164 static void TB_OnClick(HWND hWnd, DWORD dwID)
 165 {
 166     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 167
 168     switch (dwID)
 169     {
 170         case IDTB_STOP:
 171             WB_DoPageAction(pHHInfo->pWBInfo, WB_STOP);
 172             break;
 173         case IDTB_REFRESH:
 174             WB_DoPageAction(pHHInfo->pWBInfo, WB_REFRESH);
 175             break;
 176         case IDTB_BACK:
 177             WB_DoPageAction(pHHInfo->pWBInfo, WB_GOBACK);
 178             break;
 179         case IDTB_HOME:
 180         {
 181             WCHAR szUrl[MAX_PATH];
 182
 183             CHM_CreateITSUrl(pHHInfo->pCHMInfo, pHHInfo->pHHWinType->pszHome, szUrl);
 184             WB_Navigate(pHHInfo->pWBInfo, szUrl);
 185             break;
 186         }
 187         case IDTB_FORWARD:
 188             WB_DoPageAction(pHHInfo->pWBInfo, WB_GOFORWARD);
 189             break;
 190         case IDTB_EXPAND:
 191         case IDTB_CONTRACT:
 192         case IDTB_SYNC:
 193         case IDTB_PRINT:
 194         case IDTB_OPTIONS:
 195         case IDTB_BROWSE_FWD:
 196         case IDTB_BROWSE_BACK:
 197         case IDTB_JUMP1:
 198         case IDTB_JUMP2:
 199         case IDTB_CUSTOMIZE:
 200         case IDTB_ZOOM:
 201         case IDTB_TOC_NEXT:
 202         case IDTB_TOC_PREV:
 203             break;
 204     }
 205 }
 206
 207 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID)
 208 {
 209     /* FIXME: Load the correct button bitmaps */
 210     pButtons[dwIndex].iBitmap = STD_PRINT;
 211     pButtons[dwIndex].idCommand = dwID;
 212     pButtons[dwIndex].fsState = TBSTATE_ENABLED;
 213     pButtons[dwIndex].fsStyle = BTNS_BUTTON;
 214     pButtons[dwIndex].dwData = 0;
 215     pButtons[dwIndex].iString = 0;
 216 }
 217
 218 static void TB_AddButtonsFromFlags(TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
 219 {
 220     *pdwNumButtons = 0;
 221
 222     if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
 223         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND);
 224
 225     if (dwButtonFlags & HHWIN_BUTTON_BACK)
 226         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK);
 227
 228     if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
 229         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD);
 230
 231     if (dwButtonFlags & HHWIN_BUTTON_STOP)
 232         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP);
 233
 234     if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
 235         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH);
 236
 237     if (dwButtonFlags & HHWIN_BUTTON_HOME)
 238         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME);
 239
 240     if (dwButtonFlags & HHWIN_BUTTON_SYNC)
 241         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC);
 242
 243     if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
 244         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS);
 245
 246     if (dwButtonFlags & HHWIN_BUTTON_PRINT)
 247         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT);
 248
 249     if (dwButtonFlags & HHWIN_BUTTON_JUMP1)
 250         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_JUMP1);
 251
 252     if (dwButtonFlags & HHWIN_BUTTON_JUMP2)
 253         TB_AddButton(pButtons,(*pdwNumButtons)++, IDTB_JUMP2);
 254
 255     if (dwButtonFlags & HHWIN_BUTTON_ZOOM)
 256         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_ZOOM);
 257
 258     if (dwButtonFlags & HHWIN_BUTTON_TOC_NEXT)
 259         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_NEXT);
 260
 261     if (dwButtonFlags & HHWIN_BUTTON_TOC_PREV)
 262         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_PREV);
 263 }
 264
 265 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
 266 {
 267     HWND hToolbar;
 268     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 269     DWORD toolbarFlags;
 270     TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
 271     TBADDBITMAP tbAB;
 272     DWORD dwStyles, dwExStyles;
 273     DWORD dwNumButtons, dwIndex;
 274
 275     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PARAM_TB_FLAGS)
 276         toolbarFlags = pHHInfo->pHHWinType->fsToolBarFlags;
 277     else
 278         toolbarFlags = HHWIN_DEF_BUTTONS;
 279
 280     TB_AddButtonsFromFlags(buttons, toolbarFlags, &dwNumButtons);
 281
 282     dwStyles = WS_CHILDWINDOW | WS_VISIBLE | TBSTYLE_FLAT |
 283                TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
 284     dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 285
 286     hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
 287                                0, 0, 0, 0, hwndParent, NULL,
 288                                pHHInfo->hInstance, NULL);
 289     if (!hToolbar)
 290         return FALSE;
 291
 292     SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
 293     SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 294     SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 295
 296     /* FIXME: Load correct icons for all buttons */
 297     tbAB.hInst = HINST_COMMCTRL;
 298     tbAB.nID = IDB_STD_LARGE_COLOR;
 299     SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
 300
 301     for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
 302     {
 303         LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
 304         DWORD dwLen = strlenW(szBuf);
 305         szBuf[dwLen + 2] = 0; /* Double-null terminate */
 306
 307         buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
 308         HeapFree(GetProcessHeap(), 0, szBuf);
 309     }
 310
 311     SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)&buttons);
 312     SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
 313     ShowWindow(hToolbar, SW_SHOW);
 314
 315     pHHInfo->pHHWinType->hwndToolBar = hToolbar;
 316     return TRUE;
 317 }
 318
 319 /* Navigation Pane */
 320
 321 #define TAB_PADDING         2
 322 #define TAB_TOP_PADDING     8
 323 #define TAB_RIGHT_PADDING   4
 324
 325 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
 326 {
 327     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 328     HWND hwndToolbar = pHHInfo->pHHWinType->hwndToolBar;
 329     RECT rectWND, rectTB;
 330
 331     GetClientRect(hwndParent, &rectWND);
 332     GetClientRect(hwndToolbar, &rectTB);
 333
 334     rc->left = 0;
 335     rc->top = rectTB.bottom;
 336     rc->bottom = rectWND.bottom - rectTB.bottom;
 337
 338     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_NAV_WIDTH)
 339         rc->right = pHHInfo->pHHWinType->iNavWidth;
 340     else
 341         rc->right = WINTYPE_DEFAULT_NAVWIDTH;
 342 }
 343
 344 static void NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD dwStrID, DWORD dwIndex)
 345 {
 346     TCITEMW tie;
 347     LPWSTR tabText = HH_LoadString(dwStrID);
 348
 349     tie.mask = TCIF_TEXT;
 350     tie.pszText = tabText;
 351
 352     TabCtrl_InsertItemW(hwndTabCtrl, dwIndex, &tie);
 353     HeapFree(GetProcessHeap(), 0, tabText);
 354 }
 355
 356 static BOOL HH_AddNavigationPane(HHInfo *pHHInfo)
 357 {
 358     HWND hWnd, hwndTabCtrl;
 359     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 360     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE;
 361     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 362     DWORD dwIndex = 0;
 363     RECT rc;
 364
 365     NP_GetNavigationRect(pHHInfo, &rc);
 366
 367     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 368                            rc.left, rc.top, rc.right, rc.bottom,
 369                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 370     if (!hWnd)
 371         return FALSE;
 372
 373     hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles,
 374                                   TAB_PADDING, TAB_TOP_PADDING,
 375                                   rc.right - TAB_PADDING - TAB_RIGHT_PADDING,
 376                                   rc.bottom - TAB_PADDING - TAB_TOP_PADDING,
 377                                   hWnd, NULL, pHHInfo->hInstance, NULL);
 378     if (!hwndTabCtrl)
 379         return FALSE;
 380
 381     if (*pHHInfo->pHHWinType->pszToc)
 382         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_CONTENTS, dwIndex++);
 383
 384     if (*pHHInfo->pHHWinType->pszIndex)
 385         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_INDEX, dwIndex++);
 386
 387     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PROP_TAB_SEARCH)
 388         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_SEARCH, dwIndex++);
 389
 390     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
 391         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_FAVORITES, dwIndex++);
 392
 393     SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 394
 395     pHHInfo->hwndTabCtrl = hwndTabCtrl;
 396     pHHInfo->pHHWinType->hwndNavigation = hWnd;
 397     return TRUE;
 398 }
 399
 400 /* HTML Pane */
 401
 402 static void HP_GetHTMLRect(HHInfo *pHHInfo, RECT *rc)
 403 {
 404     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 405     HWND hwndToolbar = pHHInfo->pHHWinType->hwndToolBar;
 406     HWND hwndNavigation = pHHInfo->pHHWinType->hwndNavigation;
 407     RECT rectTB, rectWND, rectNP;
 408
 409     GetClientRect(hwndParent, &rectWND);
 410     GetClientRect(hwndToolbar, &rectTB);
 411     GetClientRect(hwndNavigation, &rectNP);
 412
 413     rc->left = rectNP.right;
 414     rc->top = rectTB.bottom;
 415     rc->right = rectWND.right - rectNP.right;
 416     rc->bottom = rectWND.bottom - rectTB.bottom;
 417 }
 418
 419 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
 420 {
 421     HWND hWnd;
 422     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 423     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
 424     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
 425     RECT rc;
 426
 427     HP_GetHTMLRect(pHHInfo, &rc);
 428
 429     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 430                            rc.left, rc.top, rc.right, rc.bottom,
 431                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 432     if (!hWnd)
 433         return FALSE;
 434
 435     if (!WB_EmbedBrowser(pHHInfo->pWBInfo, hWnd))
 436         return FALSE;
 437
 438     /* store the pointer to the HH info struct */
 439     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 440
 441     ShowWindow(hWnd, SW_SHOW);
 442     UpdateWindow(hWnd);
 443
 444     pHHInfo->pHHWinType->hwndHTML = hWnd;
 445     return TRUE;
 446 }
 447
 448 /* Viewer Window */
 449
 450 static void Help_OnSize(HWND hWnd, LPARAM lParam)
 451 {
 452     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 453     RECT rc;
 454
 455     if (!pHHInfo)
 456         return;
 457
 458     /* Only resize the Navigation pane vertically */
 459     if (HIWORD(lParam))
 460     {
 461         NP_GetNavigationRect(pHHInfo, &rc);
 462         SetWindowPos(pHHInfo->pHHWinType->hwndNavigation, HWND_TOP, 0, 0,
 463                      rc.right, rc.bottom, SWP_NOMOVE);
 464
 465         GetClientRect(pHHInfo->pHHWinType->hwndNavigation, &rc);
 466         SetWindowPos(pHHInfo->hwndTabCtrl, HWND_TOP, 0, 0,
 467                      rc.right - TAB_PADDING - TAB_RIGHT_PADDING,
 468                      rc.bottom - TAB_PADDING - TAB_TOP_PADDING, SWP_NOMOVE);
 469     }
 470
 471     HP_GetHTMLRect(pHHInfo, &rc);
 472     SetWindowPos(pHHInfo->pHHWinType->hwndHTML, HWND_TOP, 0, 0,
 473                  LOWORD(lParam), HIWORD(lParam), SWP_NOMOVE);
 474 }
 475
 476 LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 477 {
 478     PAINTSTRUCT ps;
 479     HDC hdc;
 480
 481     switch (message)
 482     {
 483         case WM_COMMAND:
 484             if (HIWORD(wParam) == BN_CLICKED)
 485                 TB_OnClick(hWnd, LOWORD(wParam));
 486             break;
 487         case WM_SIZE:
 488             Help_OnSize(hWnd, lParam);
 489             break;
 490         case WM_PAINT:
 491             hdc = BeginPaint(hWnd, &ps);
 492             EndPaint(hWnd, &ps);
 493             break;
 494         case WM_DESTROY:
 495             PostQuitMessage(0);
 496             break;
 497
 498         default:
 499             return DefWindowProcW(hWnd, message, wParam, lParam);
 500     }
 501
 502     return 0;
 503 }
 504
 505 static BOOL HH_CreateHelpWindow(HHInfo *pHHInfo)
 506 {
 507     HWND hWnd;
 508     HINSTANCE hInstance = pHHInfo->hInstance;
 509     RECT winPos = pHHInfo->pHHWinType->rcWindowPos;
 510     WNDCLASSEXW wcex;
 511     DWORD dwStyles, dwExStyles;
 512     DWORD x, y, width, height;
 513
 514     static const WCHAR windowClassW[] = {
 515         'H','H',' ', 'P','a','r','e','n','t',0
 516     };
 517
 518     wcex.cbSize         = sizeof(WNDCLASSEXW);
 519     wcex.style          = CS_HREDRAW | CS_VREDRAW;
 520     wcex.lpfnWndProc    = (WNDPROC)Help_WndProc;
 521     wcex.cbClsExtra     = 0;
 522     wcex.cbWndExtra     = 0;
 523     wcex.hInstance      = hInstance;
 524     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 525     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 526     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 527     wcex.lpszMenuName   = NULL;
 528     wcex.lpszClassName  = windowClassW;
 529     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 530
 531     RegisterClassExW(&wcex);
 532
 533     /* Read in window parameters if available */
 534     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_STYLES)
 535         dwStyles = pHHInfo->pHHWinType->dwStyles;
 536     else
 537         dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
 538                    WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
 539
 540     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_EXSTYLES)
 541         dwExStyles = pHHInfo->pHHWinType->dwExStyles;
 542     else
 543         dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
 544                      WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
 545
 546     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_RECT)
 547     {
 548         x = winPos.left;
 549         y = winPos.top;
 550         width = winPos.right - x;
 551         height = winPos.bottom - y;
 552     }
 553     else
 554     {
 555         x = WINTYPE_DEFAULT_X;
 556         y = WINTYPE_DEFAULT_Y;
 557         width = WINTYPE_DEFAULT_WIDTH;
 558         height = WINTYPE_DEFAULT_HEIGHT;
 559     }
 560
 561     hWnd = CreateWindowExW(dwExStyles, windowClassW, pHHInfo->pHHWinType->pszCaption,
 562                            dwStyles, x, y, width, height, NULL, NULL, hInstance, NULL);
 563     if (!hWnd)
 564         return FALSE;
 565
 566     ShowWindow(hWnd, SW_SHOW);
 567     UpdateWindow(hWnd);
 568
 569     /* store the pointer to the HH info struct */
 570     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 571
 572     pHHInfo->pHHWinType->hwndHelp = hWnd;
 573     return TRUE;
 574 }
 575
 576 static void HH_CreateFont(HHInfo *pHHInfo)
 577 {
 578     LOGFONTW lf;
 579
 580     GetObjectW(GetStockObject(ANSI_VAR_FONT), sizeof(LOGFONTW), &lf);
 581     lf.lfWeight = FW_NORMAL;
 582     lf.lfItalic = FALSE;
 583     lf.lfUnderline = FALSE;
 584
 585     pHHInfo->hFont = CreateFontIndirectW(&lf);
 586 }
 587
 588 static void HH_InitRequiredControls(DWORD dwControls)
 589 {
 590     INITCOMMONCONTROLSEX icex;
 591
 592     icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 593     icex.dwICC = dwControls;
 594     InitCommonControlsEx(&icex);
 595 }
 596
 597 /* Creates the whole package */
 598 static BOOL HH_CreateViewer(HHInfo *pHHInfo)
 599 {
 600     HH_CreateFont(pHHInfo);
 601
 602     if (!HH_CreateHelpWindow(pHHInfo))
 603         return FALSE;
 604
 605     HH_InitRequiredControls(ICC_BAR_CLASSES);
 606
 607     if (!HH_AddToolbar(pHHInfo))
 608         return FALSE;
 609
 610     HH_RegisterChildWndClass(pHHInfo);
 611
 612     if (!HH_AddNavigationPane(pHHInfo))
 613         return FALSE;
 614
 615     if (!HH_AddHTMLPane(pHHInfo))
 616         return FALSE;
 617
 618     return TRUE;
 619 }
 620
 621 static HHInfo *HH_OpenHH(HINSTANCE hInstance, LPWSTR szCmdLine)
 622 {
 623     HHInfo *pHHInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HHInfo));
 624
 625     pHHInfo->pHHWinType = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HH_WINTYPEW));
 626     pHHInfo->pCHMInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(CHMInfo));
 627     pHHInfo->pWBInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(WBInfo));
 628     pHHInfo->hInstance = hInstance;
 629     pHHInfo->szCmdLine = szCmdLine;
 630
 631     return pHHInfo;
 632 }
 633
 634 static void HH_Close(HHInfo *pHHInfo)
 635 {
 636     if (!pHHInfo)
 637         return;
 638
 639     /* Free allocated strings */
 640     if (pHHInfo->pHHWinType)
 641     {
 642         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszType);
 643         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszCaption);
 644         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszToc);
 645         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszType);
 646         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszIndex);
 647         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszFile);
 648         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszHome);
 649         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszJump1);
 650         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszJump2);
 651         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszUrlJump1);
 652         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszUrlJump2);
 653     }
 654
 655     HeapFree(GetProcessHeap(), 0, pHHInfo->pHHWinType);
 656     HeapFree(GetProcessHeap(), 0, pHHInfo->szCmdLine);
 657
 658     if (pHHInfo->pCHMInfo)
 659     {
 660         CHM_CloseCHM(pHHInfo->pCHMInfo);
 661         HeapFree(GetProcessHeap(), 0, pHHInfo->pCHMInfo);
 662     }
 663
 664     if (pHHInfo->pWBInfo)
 665     {
 666         WB_UnEmbedBrowser(pHHInfo->pWBInfo);
 667         HeapFree(GetProcessHeap(), 0, pHHInfo->pWBInfo);
 668     }
 669 }
 670
 671 static void HH_OpenDefaultTopic(HHInfo *pHHInfo)
 672 {
 673     WCHAR url[MAX_PATH];
 674     LPCWSTR defTopic = pHHInfo->pHHWinType->pszFile;
 675
 676     CHM_CreateITSUrl(pHHInfo->pCHMInfo, defTopic, url);
 677     WB_Navigate(pHHInfo->pWBInfo, url);
 678 }
 679
 680 static BOOL HH_OpenCHM(HHInfo *pHHInfo)
 681 {
 682     if (!CHM_OpenCHM(pHHInfo->pCHMInfo, pHHInfo->szCmdLine))
 683         return FALSE;
 684
 685     if (!CHM_LoadWinTypeFromCHM(pHHInfo->pCHMInfo, pHHInfo->pHHWinType))
 686         return FALSE;
 687
 688     return TRUE;
 689 }
 690
 691 /* FIXME: Check szCmdLine for bad arguments */
 692 int WINAPI doWinMain(HINSTANCE hInstance, LPSTR szCmdLine)
 693 {
 694     MSG msg;
 695     HHInfo *pHHInfo;
 696
 697     if (OleInitialize(NULL) != S_OK)
 698         return -1;
 699
 700     pHHInfo = HH_OpenHH(hInstance, HH_ANSIToUnicode(szCmdLine));
 701     if (!pHHInfo || !HH_OpenCHM(pHHInfo) || !HH_CreateViewer(pHHInfo))
 702     {
 703         OleUninitialize();
 704         return -1;
 705     }
 706
 707     HH_OpenDefaultTopic(pHHInfo);
 708
 709     while (GetMessageW(&msg, 0, 0, 0))
 710     {
 711         TranslateMessage(&msg);
 712         DispatchMessageW(&msg);
 713     }
 714
 715     HH_Close(pHHInfo);
 716     HeapFree(GetProcessHeap(), 0, pHHInfo);
 717     OleUninitialize();
 718
 719     return 0;
 720 }