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    250
  44
  45 static const WCHAR szEmpty[] = {0};
  46
  47 typedef struct tagHHInfo
  48 {
  49     HH_WINTYPEW *pHHWinType;
  50     CHMInfo *pCHMInfo;
  51     WBInfo *pWBInfo;
  52     HINSTANCE hInstance;
  53     LPWSTR szCmdLine;
  54     HWND hwndTabCtrl;
  55     HWND hwndSizeBar;
  56     HFONT hFont;
  57 } HHInfo;
  58
  59 extern HINSTANCE hhctrl_hinstance;
  60
  61 static LPWSTR HH_ANSIToUnicode(LPCSTR ansi)
  62 {
  63     LPWSTR unicode;
  64     int count;
  65
  66     count = MultiByteToWideChar(CP_ACP, 0, ansi, -1, NULL, 0);
  67     unicode = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
  68     MultiByteToWideChar(CP_ACP, 0, ansi, -1, unicode, count);
  69
  70     return unicode;
  71 }
  72
  73 /* Loads a string from the resource file */
  74 static LPWSTR HH_LoadString(DWORD dwID)
  75 {
  76     LPWSTR string = NULL;
  77     int iSize;
  78
  79     iSize = LoadStringW(hhctrl_hinstance, dwID, NULL, 0);
  80     iSize += 2; /* some strings (tab text) needs double-null termination */
  81
  82     string = HeapAlloc(GetProcessHeap(), 0, iSize * sizeof(WCHAR));
  83     LoadStringW(hhctrl_hinstance, dwID, string, iSize);
  84
  85     return string;
  86 }
  87
  88 /* Size Bar */
  89
  90 #define SIZEBAR_WIDTH   4
  91
  92 static const WCHAR szSizeBarClass[] = {
  93     'H','H',' ','S','i','z','e','B','a','r',0
  94 };
  95
  96 /* Draw the SizeBar */
  97 static void SB_OnPaint(HWND hWnd)
  98 {
  99     PAINTSTRUCT ps;
 100     HDC hdc;
 101     RECT rc;
 102
 103     hdc = BeginPaint(hWnd, &ps);
 104
 105     GetClientRect(hWnd, &rc);
 106
 107     /* dark frame */
 108     rc.right += 1;
 109     rc.bottom -= 1;
 110     FrameRect(hdc, &rc, GetStockObject(GRAY_BRUSH));
 111
 112     /* white highlight */
 113     SelectObject(hdc, GetStockObject(WHITE_PEN));
 114     MoveToEx(hdc, rc.right, 1, NULL);
 115     LineTo(hdc, 1, 1);
 116     LineTo(hdc, 1, rc.bottom - 1);
 117
 118
 119     MoveToEx(hdc, 0, rc.bottom, NULL);
 120     LineTo(hdc, rc.right, rc.bottom);
 121
 122     EndPaint(hWnd, &ps);
 123 }
 124
 125 LRESULT CALLBACK SizeBar_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 126 {
 127     switch (message)
 128     {
 129         case WM_PAINT:
 130             SB_OnPaint(hWnd);
 131             break;
 132         default:
 133             return DefWindowProcW(hWnd, message, wParam, lParam);
 134     }
 135
 136     return 0;
 137 }
 138
 139 static void HH_RegisterSizeBarClass(HHInfo *pHHInfo)
 140 {
 141     WNDCLASSEXW wcex;
 142
 143     wcex.cbSize         = sizeof(WNDCLASSEXW);
 144     wcex.style          = 0;
 145     wcex.lpfnWndProc    = (WNDPROC)SizeBar_WndProc;
 146     wcex.cbClsExtra     = 0;
 147     wcex.cbWndExtra     = 0;
 148     wcex.hInstance      = pHHInfo->hInstance;
 149     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 150     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_SIZEWE);
 151     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 152     wcex.lpszMenuName   = NULL;
 153     wcex.lpszClassName  = szSizeBarClass;
 154     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 155
 156     RegisterClassExW(&wcex);
 157 }
 158
 159 static void SB_GetSizeBarRect(HHInfo *pHHInfo, RECT *rc)
 160 {
 161     RECT rectWND, rectTB, rectNP;
 162
 163     GetClientRect(pHHInfo->pHHWinType->hwndHelp, &rectWND);
 164     GetClientRect(pHHInfo->pHHWinType->hwndToolBar, &rectTB);
 165     GetClientRect(pHHInfo->pHHWinType->hwndNavigation, &rectNP);
 166
 167     rc->left = rectNP.right;
 168     rc->top = rectTB.bottom;
 169     rc->bottom = rectWND.bottom - rectTB.bottom;
 170     rc->right = SIZEBAR_WIDTH;
 171 }
 172
 173 static BOOL HH_AddSizeBar(HHInfo *pHHInfo)
 174 {
 175     HWND hWnd;
 176     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 177     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_OVERLAPPED;
 178     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 179     RECT rc;
 180
 181     SB_GetSizeBarRect(pHHInfo, &rc);
 182
 183     hWnd = CreateWindowExW(dwExStyles, szSizeBarClass, szEmpty, dwStyles,
 184                            rc.left, rc.top, rc.right, rc.bottom,
 185                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 186     if (!hWnd)
 187         return FALSE;
 188
 189     pHHInfo->hwndSizeBar = hWnd;
 190     return TRUE;
 191 }
 192
 193 /* Child Window */
 194
 195 static const WCHAR szChildClass[] = {
 196     'H','H',' ','C','h','i','l','d',0
 197 };
 198
 199 static void Child_OnPaint(HWND hWnd)
 200 {
 201     PAINTSTRUCT ps;
 202     HDC hdc;
 203     RECT rc;
 204
 205     hdc = BeginPaint(hWnd, &ps);
 206
 207     /* Only paint the Navigation pane, identified by the fact
 208      * that it has a child window
 209      */
 210     if (GetWindow(hWnd, GW_CHILD))
 211     {
 212         GetClientRect(hWnd, &rc);
 213
 214         /* set the border color */
 215         SelectObject(hdc, GetStockObject(DC_PEN));
 216         SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
 217
 218         /* Draw the top border */
 219         LineTo(hdc, rc.right, 0);
 220
 221         SelectObject(hdc, GetStockObject(WHITE_PEN));
 222         MoveToEx(hdc, 0, 1, NULL);
 223         LineTo(hdc, rc.right, 1);
 224     }
 225
 226     EndPaint(hWnd, &ps);
 227 }
 228
 229 LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 230 {
 231     switch (message)
 232     {
 233         case WM_PAINT:
 234             Child_OnPaint(hWnd);
 235             break;
 236         default:
 237             return DefWindowProcW(hWnd, message, wParam, lParam);
 238     }
 239
 240     return 0;
 241 }
 242
 243 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
 244 {
 245     WNDCLASSEXW wcex;
 246
 247     wcex.cbSize         = sizeof(WNDCLASSEXW);
 248     wcex.style          = 0;
 249     wcex.lpfnWndProc    = (WNDPROC)Child_WndProc;
 250     wcex.cbClsExtra     = 0;
 251     wcex.cbWndExtra     = 0;
 252     wcex.hInstance      = pHHInfo->hInstance;
 253     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 254     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 255     wcex.hbrBackground  = (HBRUSH)(COLOR_BTNFACE + 1);
 256     wcex.lpszMenuName   = NULL;
 257     wcex.lpszClassName  = szChildClass;
 258     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 259
 260     RegisterClassExW(&wcex);
 261 }
 262
 263 /* Toolbar */
 264
 265 #define ICON_SIZE   20
 266
 267 static void TB_OnClick(HWND hWnd, DWORD dwID)
 268 {
 269     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 270
 271     switch (dwID)
 272     {
 273         case IDTB_STOP:
 274             WB_DoPageAction(pHHInfo->pWBInfo, WB_STOP);
 275             break;
 276         case IDTB_REFRESH:
 277             WB_DoPageAction(pHHInfo->pWBInfo, WB_REFRESH);
 278             break;
 279         case IDTB_BACK:
 280             WB_DoPageAction(pHHInfo->pWBInfo, WB_GOBACK);
 281             break;
 282         case IDTB_HOME:
 283         {
 284             WCHAR szUrl[MAX_PATH];
 285
 286             CHM_CreateITSUrl(pHHInfo->pCHMInfo, pHHInfo->pHHWinType->pszHome, szUrl);
 287             WB_Navigate(pHHInfo->pWBInfo, szUrl);
 288             break;
 289         }
 290         case IDTB_FORWARD:
 291             WB_DoPageAction(pHHInfo->pWBInfo, WB_GOFORWARD);
 292             break;
 293         case IDTB_EXPAND:
 294         case IDTB_CONTRACT:
 295         case IDTB_SYNC:
 296         case IDTB_PRINT:
 297         case IDTB_OPTIONS:
 298         case IDTB_BROWSE_FWD:
 299         case IDTB_BROWSE_BACK:
 300         case IDTB_JUMP1:
 301         case IDTB_JUMP2:
 302         case IDTB_CUSTOMIZE:
 303         case IDTB_ZOOM:
 304         case IDTB_TOC_NEXT:
 305         case IDTB_TOC_PREV:
 306             break;
 307     }
 308 }
 309
 310 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID)
 311 {
 312     /* FIXME: Load the correct button bitmaps */
 313     pButtons[dwIndex].iBitmap = STD_PRINT;
 314     pButtons[dwIndex].idCommand = dwID;
 315     pButtons[dwIndex].fsState = TBSTATE_ENABLED;
 316     pButtons[dwIndex].fsStyle = BTNS_BUTTON;
 317     pButtons[dwIndex].dwData = 0;
 318     pButtons[dwIndex].iString = 0;
 319 }
 320
 321 static void TB_AddButtonsFromFlags(TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
 322 {
 323     *pdwNumButtons = 0;
 324
 325     if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
 326         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND);
 327
 328     if (dwButtonFlags & HHWIN_BUTTON_BACK)
 329         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK);
 330
 331     if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
 332         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD);
 333
 334     if (dwButtonFlags & HHWIN_BUTTON_STOP)
 335         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP);
 336
 337     if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
 338         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH);
 339
 340     if (dwButtonFlags & HHWIN_BUTTON_HOME)
 341         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME);
 342
 343     if (dwButtonFlags & HHWIN_BUTTON_SYNC)
 344         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC);
 345
 346     if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
 347         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS);
 348
 349     if (dwButtonFlags & HHWIN_BUTTON_PRINT)
 350         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT);
 351
 352     if (dwButtonFlags & HHWIN_BUTTON_JUMP1)
 353         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_JUMP1);
 354
 355     if (dwButtonFlags & HHWIN_BUTTON_JUMP2)
 356         TB_AddButton(pButtons,(*pdwNumButtons)++, IDTB_JUMP2);
 357
 358     if (dwButtonFlags & HHWIN_BUTTON_ZOOM)
 359         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_ZOOM);
 360
 361     if (dwButtonFlags & HHWIN_BUTTON_TOC_NEXT)
 362         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_NEXT);
 363
 364     if (dwButtonFlags & HHWIN_BUTTON_TOC_PREV)
 365         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_PREV);
 366 }
 367
 368 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
 369 {
 370     HWND hToolbar;
 371     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 372     DWORD toolbarFlags;
 373     TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
 374     TBADDBITMAP tbAB;
 375     DWORD dwStyles, dwExStyles;
 376     DWORD dwNumButtons, dwIndex;
 377
 378     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PARAM_TB_FLAGS)
 379         toolbarFlags = pHHInfo->pHHWinType->fsToolBarFlags;
 380     else
 381         toolbarFlags = HHWIN_DEF_BUTTONS;
 382
 383     TB_AddButtonsFromFlags(buttons, toolbarFlags, &dwNumButtons);
 384
 385     dwStyles = WS_CHILDWINDOW | WS_VISIBLE | TBSTYLE_FLAT |
 386                TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
 387     dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 388
 389     hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
 390                                0, 0, 0, 0, hwndParent, NULL,
 391                                pHHInfo->hInstance, NULL);
 392     if (!hToolbar)
 393         return FALSE;
 394
 395     SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
 396     SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 397     SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 398
 399     /* FIXME: Load correct icons for all buttons */
 400     tbAB.hInst = HINST_COMMCTRL;
 401     tbAB.nID = IDB_STD_LARGE_COLOR;
 402     SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
 403
 404     for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
 405     {
 406         LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
 407         DWORD dwLen = strlenW(szBuf);
 408         szBuf[dwLen + 2] = 0; /* Double-null terminate */
 409
 410         buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
 411         HeapFree(GetProcessHeap(), 0, szBuf);
 412     }
 413
 414     SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)&buttons);
 415     SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
 416     ShowWindow(hToolbar, SW_SHOW);
 417
 418     pHHInfo->pHHWinType->hwndToolBar = hToolbar;
 419     return TRUE;
 420 }
 421
 422 /* Navigation Pane */
 423
 424 #define TAB_TOP_PADDING     8
 425 #define TAB_RIGHT_PADDING   4
 426
 427 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
 428 {
 429     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 430     HWND hwndToolbar = pHHInfo->pHHWinType->hwndToolBar;
 431     RECT rectWND, rectTB;
 432
 433     GetClientRect(hwndParent, &rectWND);
 434     GetClientRect(hwndToolbar, &rectTB);
 435
 436     rc->left = 0;
 437     rc->top = rectTB.bottom;
 438     rc->bottom = rectWND.bottom - rectTB.bottom;
 439
 440     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_NAV_WIDTH)
 441         rc->right = pHHInfo->pHHWinType->iNavWidth;
 442     else
 443         rc->right = WINTYPE_DEFAULT_NAVWIDTH;
 444 }
 445
 446 static void NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD dwStrID, DWORD dwIndex)
 447 {
 448     TCITEMW tie;
 449     LPWSTR tabText = HH_LoadString(dwStrID);
 450
 451     tie.mask = TCIF_TEXT;
 452     tie.pszText = tabText;
 453
 454     TabCtrl_InsertItemW(hwndTabCtrl, dwIndex, &tie);
 455     HeapFree(GetProcessHeap(), 0, tabText);
 456 }
 457
 458 static BOOL HH_AddNavigationPane(HHInfo *pHHInfo)
 459 {
 460     HWND hWnd, hwndTabCtrl;
 461     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 462     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE;
 463     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 464     DWORD dwIndex = 0;
 465     RECT rc;
 466
 467     NP_GetNavigationRect(pHHInfo, &rc);
 468
 469     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 470                            rc.left, rc.top, rc.right, rc.bottom,
 471                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 472     if (!hWnd)
 473         return FALSE;
 474
 475     hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles,
 476                                   0, TAB_TOP_PADDING,
 477                                   rc.right - TAB_RIGHT_PADDING,
 478                                   rc.bottom - TAB_TOP_PADDING,
 479                                   hWnd, NULL, pHHInfo->hInstance, NULL);
 480     if (!hwndTabCtrl)
 481         return FALSE;
 482
 483     if (*pHHInfo->pHHWinType->pszToc)
 484         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_CONTENTS, dwIndex++);
 485
 486     if (*pHHInfo->pHHWinType->pszIndex)
 487         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_INDEX, dwIndex++);
 488
 489     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PROP_TAB_SEARCH)
 490         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_SEARCH, dwIndex++);
 491
 492     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
 493         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_FAVORITES, dwIndex++);
 494
 495     SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 496
 497     pHHInfo->hwndTabCtrl = hwndTabCtrl;
 498     pHHInfo->pHHWinType->hwndNavigation = hWnd;
 499     return TRUE;
 500 }
 501
 502 /* HTML Pane */
 503
 504 static void HP_GetHTMLRect(HHInfo *pHHInfo, RECT *rc)
 505 {
 506     RECT rectTB, rectWND, rectNP, rectSB;
 507
 508     GetClientRect(pHHInfo->pHHWinType->hwndHelp, &rectWND);
 509     GetClientRect(pHHInfo->pHHWinType->hwndToolBar, &rectTB);
 510     GetClientRect(pHHInfo->pHHWinType->hwndNavigation, &rectNP);
 511     GetClientRect(pHHInfo->hwndSizeBar, &rectSB);
 512
 513     rc->left = rectNP.right + rectSB.right;
 514     rc->top = rectTB.bottom;
 515     rc->right = rectWND.right - rc->left;
 516     rc->bottom = rectWND.bottom - rectTB.bottom;
 517 }
 518
 519 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
 520 {
 521     HWND hWnd;
 522     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 523     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
 524     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
 525     RECT rc;
 526
 527     HP_GetHTMLRect(pHHInfo, &rc);
 528
 529     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 530                            rc.left, rc.top, rc.right, rc.bottom,
 531                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 532     if (!hWnd)
 533         return FALSE;
 534
 535     if (!WB_EmbedBrowser(pHHInfo->pWBInfo, hWnd))
 536         return FALSE;
 537
 538     /* store the pointer to the HH info struct */
 539     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 540
 541     ShowWindow(hWnd, SW_SHOW);
 542     UpdateWindow(hWnd);
 543
 544     pHHInfo->pHHWinType->hwndHTML = hWnd;
 545     return TRUE;
 546 }
 547
 548 /* Viewer Window */
 549
 550 static void Help_OnSize(HWND hWnd)
 551 {
 552     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 553     DWORD dwSize;
 554     RECT rc;
 555
 556     if (!pHHInfo)
 557         return;
 558
 559     NP_GetNavigationRect(pHHInfo, &rc);
 560     SetWindowPos(pHHInfo->pHHWinType->hwndNavigation, HWND_TOP, 0, 0,
 561                  rc.right, rc.bottom, SWP_NOMOVE);
 562
 563     GetClientRect(pHHInfo->pHHWinType->hwndNavigation, &rc);
 564     SetWindowPos(pHHInfo->hwndTabCtrl, HWND_TOP, 0, 0,
 565                  rc.right - TAB_RIGHT_PADDING,
 566                  rc.bottom - TAB_TOP_PADDING, SWP_NOMOVE);
 567
 568     SB_GetSizeBarRect(pHHInfo, &rc);
 569     SetWindowPos(pHHInfo->hwndSizeBar, HWND_TOP, rc.left, rc.top,
 570                  rc.right, rc.bottom, SWP_SHOWWINDOW);
 571
 572     HP_GetHTMLRect(pHHInfo, &rc);
 573     SetWindowPos(pHHInfo->pHHWinType->hwndHTML, HWND_TOP, rc.left, rc.top,
 574                  rc.right, rc.bottom, SWP_SHOWWINDOW);
 575
 576     /* Resize browser window taking the frame size into account */
 577     dwSize = GetSystemMetrics(SM_CXFRAME);
 578     WB_ResizeBrowser(pHHInfo->pWBInfo, rc.right - dwSize, rc.bottom - dwSize);
 579 }
 580
 581 LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 582 {
 583     PAINTSTRUCT ps;
 584     HDC hdc;
 585
 586     switch (message)
 587     {
 588         case WM_COMMAND:
 589             if (HIWORD(wParam) == BN_CLICKED)
 590                 TB_OnClick(hWnd, LOWORD(wParam));
 591             break;
 592         case WM_SIZE:
 593             Help_OnSize(hWnd);
 594             break;
 595         case WM_PAINT:
 596             hdc = BeginPaint(hWnd, &ps);
 597             EndPaint(hWnd, &ps);
 598             break;
 599         case WM_DESTROY:
 600             PostQuitMessage(0);
 601             break;
 602
 603         default:
 604             return DefWindowProcW(hWnd, message, wParam, lParam);
 605     }
 606
 607     return 0;
 608 }
 609
 610 static BOOL HH_CreateHelpWindow(HHInfo *pHHInfo)
 611 {
 612     HWND hWnd;
 613     HINSTANCE hInstance = pHHInfo->hInstance;
 614     RECT winPos = pHHInfo->pHHWinType->rcWindowPos;
 615     WNDCLASSEXW wcex;
 616     DWORD dwStyles, dwExStyles;
 617     DWORD x, y, width, height;
 618
 619     static const WCHAR windowClassW[] = {
 620         'H','H',' ', 'P','a','r','e','n','t',0
 621     };
 622
 623     wcex.cbSize         = sizeof(WNDCLASSEXW);
 624     wcex.style          = CS_HREDRAW | CS_VREDRAW;
 625     wcex.lpfnWndProc    = (WNDPROC)Help_WndProc;
 626     wcex.cbClsExtra     = 0;
 627     wcex.cbWndExtra     = 0;
 628     wcex.hInstance      = hInstance;
 629     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 630     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 631     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 632     wcex.lpszMenuName   = NULL;
 633     wcex.lpszClassName  = windowClassW;
 634     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 635
 636     RegisterClassExW(&wcex);
 637
 638     /* Read in window parameters if available */
 639     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_STYLES)
 640         dwStyles = pHHInfo->pHHWinType->dwStyles;
 641     else
 642         dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
 643                    WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
 644
 645     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_EXSTYLES)
 646         dwExStyles = pHHInfo->pHHWinType->dwExStyles;
 647     else
 648         dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
 649                      WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
 650
 651     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_RECT)
 652     {
 653         x = winPos.left;
 654         y = winPos.top;
 655         width = winPos.right - x;
 656         height = winPos.bottom - y;
 657     }
 658     else
 659     {
 660         x = WINTYPE_DEFAULT_X;
 661         y = WINTYPE_DEFAULT_Y;
 662         width = WINTYPE_DEFAULT_WIDTH;
 663         height = WINTYPE_DEFAULT_HEIGHT;
 664     }
 665
 666     hWnd = CreateWindowExW(dwExStyles, windowClassW, pHHInfo->pHHWinType->pszCaption,
 667                            dwStyles, x, y, width, height, NULL, NULL, hInstance, NULL);
 668     if (!hWnd)
 669         return FALSE;
 670
 671     ShowWindow(hWnd, SW_SHOW);
 672     UpdateWindow(hWnd);
 673
 674     /* store the pointer to the HH info struct */
 675     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 676
 677     pHHInfo->pHHWinType->hwndHelp = hWnd;
 678     return TRUE;
 679 }
 680
 681 static void HH_CreateFont(HHInfo *pHHInfo)
 682 {
 683     LOGFONTW lf;
 684
 685     GetObjectW(GetStockObject(ANSI_VAR_FONT), sizeof(LOGFONTW), &lf);
 686     lf.lfWeight = FW_NORMAL;
 687     lf.lfItalic = FALSE;
 688     lf.lfUnderline = FALSE;
 689
 690     pHHInfo->hFont = CreateFontIndirectW(&lf);
 691 }
 692
 693 static void HH_InitRequiredControls(DWORD dwControls)
 694 {
 695     INITCOMMONCONTROLSEX icex;
 696
 697     icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 698     icex.dwICC = dwControls;
 699     InitCommonControlsEx(&icex);
 700 }
 701
 702 /* Creates the whole package */
 703 static BOOL HH_CreateViewer(HHInfo *pHHInfo)
 704 {
 705     HH_CreateFont(pHHInfo);
 706
 707     if (!HH_CreateHelpWindow(pHHInfo))
 708         return FALSE;
 709
 710     HH_InitRequiredControls(ICC_BAR_CLASSES);
 711
 712     if (!HH_AddToolbar(pHHInfo))
 713         return FALSE;
 714
 715     HH_RegisterChildWndClass(pHHInfo);
 716
 717     if (!HH_AddNavigationPane(pHHInfo))
 718         return FALSE;
 719
 720     HH_RegisterSizeBarClass(pHHInfo);
 721
 722     if (!HH_AddSizeBar(pHHInfo))
 723         return FALSE;
 724
 725     if (!HH_AddHTMLPane(pHHInfo))
 726         return FALSE;
 727
 728     return TRUE;
 729 }
 730
 731 static HHInfo *HH_OpenHH(HINSTANCE hInstance, LPWSTR szCmdLine)
 732 {
 733     HHInfo *pHHInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HHInfo));
 734
 735     pHHInfo->pHHWinType = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HH_WINTYPEW));
 736     pHHInfo->pCHMInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(CHMInfo));
 737     pHHInfo->pWBInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(WBInfo));
 738     pHHInfo->hInstance = hInstance;
 739     pHHInfo->szCmdLine = szCmdLine;
 740
 741     return pHHInfo;
 742 }
 743
 744 static void HH_Close(HHInfo *pHHInfo)
 745 {
 746     if (!pHHInfo)
 747         return;
 748
 749     /* Free allocated strings */
 750     if (pHHInfo->pHHWinType)
 751     {
 752         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszType);
 753         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszCaption);
 754         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszToc);
 755         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszType);
 756         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszIndex);
 757         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszFile);
 758         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszHome);
 759         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszJump1);
 760         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszJump2);
 761         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszUrlJump1);
 762         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszUrlJump2);
 763     }
 764
 765     HeapFree(GetProcessHeap(), 0, pHHInfo->pHHWinType);
 766     HeapFree(GetProcessHeap(), 0, pHHInfo->szCmdLine);
 767
 768     if (pHHInfo->pCHMInfo)
 769     {
 770         CHM_CloseCHM(pHHInfo->pCHMInfo);
 771         HeapFree(GetProcessHeap(), 0, pHHInfo->pCHMInfo);
 772     }
 773
 774     if (pHHInfo->pWBInfo)
 775     {
 776         WB_UnEmbedBrowser(pHHInfo->pWBInfo);
 777         HeapFree(GetProcessHeap(), 0, pHHInfo->pWBInfo);
 778     }
 779 }
 780
 781 static void HH_OpenDefaultTopic(HHInfo *pHHInfo)
 782 {
 783     WCHAR url[MAX_PATH];
 784     LPCWSTR defTopic = pHHInfo->pHHWinType->pszFile;
 785
 786     CHM_CreateITSUrl(pHHInfo->pCHMInfo, defTopic, url);
 787     WB_Navigate(pHHInfo->pWBInfo, url);
 788 }
 789
 790 static BOOL HH_OpenCHM(HHInfo *pHHInfo)
 791 {
 792     if (!CHM_OpenCHM(pHHInfo->pCHMInfo, pHHInfo->szCmdLine))
 793         return FALSE;
 794
 795     if (!CHM_LoadWinTypeFromCHM(pHHInfo->pCHMInfo, pHHInfo->pHHWinType))
 796         return FALSE;
 797
 798     return TRUE;
 799 }
 800
 801 /* FIXME: Check szCmdLine for bad arguments */
 802 int WINAPI doWinMain(HINSTANCE hInstance, LPSTR szCmdLine)
 803 {
 804     MSG msg;
 805     HHInfo *pHHInfo;
 806
 807     if (OleInitialize(NULL) != S_OK)
 808         return -1;
 809
 810     pHHInfo = HH_OpenHH(hInstance, HH_ANSIToUnicode(szCmdLine));
 811     if (!pHHInfo || !HH_OpenCHM(pHHInfo) || !HH_CreateViewer(pHHInfo))
 812     {
 813         OleUninitialize();
 814         return -1;
 815     }
 816
 817     HH_OpenDefaultTopic(pHHInfo);
 818
 819     while (GetMessageW(&msg, 0, 0, 0))
 820     {
 821         TranslateMessage(&msg);
 822         DispatchMessageW(&msg);
 823     }
 824
 825     HH_Close(pHHInfo);
 826     HeapFree(GetProcessHeap(), 0, pHHInfo);
 827     OleUninitialize();
 828
 829     return 0;
 830 }