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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "hhctrl.h"
  22
  23 #include "wingdi.h"
  24 #include "commctrl.h"
  25 #include "wininet.h"
  26
  27 #include "wine/debug.h"
  28
  29 #include "resource.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
  32
  33 static LRESULT Help_OnSize(HWND hWnd);
  34
  35 /* Window type defaults */
  36
  37 #define WINTYPE_DEFAULT_X           280
  38 #define WINTYPE_DEFAULT_Y           100
  39 #define WINTYPE_DEFAULT_WIDTH       740
  40 #define WINTYPE_DEFAULT_HEIGHT      640
  41 #define WINTYPE_DEFAULT_NAVWIDTH    250
  42
  43 static const WCHAR szEmpty[] = {0};
  44
  45 /* Loads a string from the resource file */
  46 static LPWSTR HH_LoadString(DWORD dwID)
  47 {
  48     LPWSTR string = NULL;
  49     int iSize;
  50
  51     iSize = LoadStringW(hhctrl_hinstance, dwID, NULL, 0);
  52     iSize += 2; /* some strings (tab text) needs double-null termination */
  53
  54     string = hhctrl_alloc(iSize * sizeof(WCHAR));
  55     LoadStringW(hhctrl_hinstance, dwID, string, iSize);
  56
  57     return string;
  58 }
  59
  60 BOOL NavigateToUrl(HHInfo *info, LPCWSTR surl)
  61 {
  62     VARIANT url;
  63     HRESULT hres;
  64
  65     V_VT(&url) = VT_BSTR;
  66     V_BSTR(&url) = SysAllocString(surl);
  67
  68     hres = IWebBrowser2_Navigate2(info->web_browser, &url, 0, 0, 0, 0);
  69
  70     VariantClear(&url);
  71
  72     return SUCCEEDED(hres);
  73 }
  74
  75 BOOL NavigateToChm(HHInfo *info, LPCWSTR file, LPCWSTR index)
  76 {
  77     WCHAR buf[INTERNET_MAX_URL_LENGTH];
  78     WCHAR full_path[MAX_PATH];
  79     LPWSTR ptr;
  80
  81     static const WCHAR url_format[] =
  82         {'m','k',':','@','M','S','I','T','S','t','o','r','e',':','%','s',':',':','/','%','s',0};
  83
  84     TRACE("%p %s %s\n", info, debugstr_w(file), debugstr_w(index));
  85
  86     if (!info->web_browser)
  87         return FALSE;
  88
  89     if(!GetFullPathNameW(file, sizeof(full_path), full_path, NULL)) {
  90         WARN("GetFullPathName failed: %u\n", GetLastError());
  91         return FALSE;
  92     }
  93
  94     wsprintfW(buf, url_format, full_path, index);
  95
  96     /* FIXME: HACK */
  97     if((ptr = strchrW(buf, '#')))
  98        *ptr = 0;
  99
 100     return NavigateToUrl(info, buf);
 101 }
 102
 103 /* Size Bar */
 104
 105 #define SIZEBAR_WIDTH   4
 106
 107 static const WCHAR szSizeBarClass[] = {
 108     'H','H',' ','S','i','z','e','B','a','r',0
 109 };
 110
 111 /* Draw the SizeBar */
 112 static void SB_OnPaint(HWND hWnd)
 113 {
 114     PAINTSTRUCT ps;
 115     HDC hdc;
 116     RECT rc;
 117
 118     hdc = BeginPaint(hWnd, &ps);
 119
 120     GetClientRect(hWnd, &rc);
 121
 122     /* dark frame */
 123     rc.right += 1;
 124     rc.bottom -= 1;
 125     FrameRect(hdc, &rc, GetStockObject(GRAY_BRUSH));
 126
 127     /* white highlight */
 128     SelectObject(hdc, GetStockObject(WHITE_PEN));
 129     MoveToEx(hdc, rc.right, 1, NULL);
 130     LineTo(hdc, 1, 1);
 131     LineTo(hdc, 1, rc.bottom - 1);
 132
 133
 134     MoveToEx(hdc, 0, rc.bottom, NULL);
 135     LineTo(hdc, rc.right, rc.bottom);
 136
 137     EndPaint(hWnd, &ps);
 138 }
 139
 140 static void SB_OnLButtonDown(HWND hWnd, WPARAM wParam, LPARAM lParam)
 141 {
 142     SetCapture(hWnd);
 143 }
 144
 145 static void SB_OnLButtonUp(HWND hWnd, WPARAM wParam, LPARAM lParam)
 146 {
 147     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 148     POINT pt;
 149
 150     pt.x = (short)LOWORD(lParam);
 151     pt.y = (short)HIWORD(lParam);
 152
 153     /* update the window sizes */
 154     pHHInfo->WinType.iNavWidth += pt.x;
 155     Help_OnSize(hWnd);
 156
 157     ReleaseCapture();
 158 }
 159
 160 static void SB_OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM lParam)
 161 {
 162     /* ignore WM_MOUSEMOVE if not dragging the SizeBar */
 163     if (!(wParam & MK_LBUTTON))
 164         return;
 165 }
 166
 167 static LRESULT CALLBACK SizeBar_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 168 {
 169     switch (message)
 170     {
 171         case WM_LBUTTONDOWN:
 172             SB_OnLButtonDown(hWnd, wParam, lParam);
 173             break;
 174         case WM_LBUTTONUP:
 175             SB_OnLButtonUp(hWnd, wParam, lParam);
 176             break;
 177         case WM_MOUSEMOVE:
 178             SB_OnMouseMove(hWnd, wParam, lParam);
 179             break;
 180         case WM_PAINT:
 181             SB_OnPaint(hWnd);
 182             break;
 183         default:
 184             return DefWindowProcW(hWnd, message, wParam, lParam);
 185     }
 186
 187     return 0;
 188 }
 189
 190 static void HH_RegisterSizeBarClass(HHInfo *pHHInfo)
 191 {
 192     WNDCLASSEXW wcex;
 193
 194     wcex.cbSize         = sizeof(WNDCLASSEXW);
 195     wcex.style          = 0;
 196     wcex.lpfnWndProc    = SizeBar_WndProc;
 197     wcex.cbClsExtra     = 0;
 198     wcex.cbWndExtra     = 0;
 199     wcex.hInstance      = hhctrl_hinstance;
 200     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 201     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_SIZEWE);
 202     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 203     wcex.lpszMenuName   = NULL;
 204     wcex.lpszClassName  = szSizeBarClass;
 205     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 206
 207     RegisterClassExW(&wcex);
 208 }
 209
 210 static void SB_GetSizeBarRect(HHInfo *info, RECT *rc)
 211 {
 212     RECT rectWND, rectTB, rectNP;
 213
 214     GetClientRect(info->WinType.hwndHelp, &rectWND);
 215     GetClientRect(info->WinType.hwndToolBar, &rectTB);
 216     GetClientRect(info->WinType.hwndNavigation, &rectNP);
 217
 218     rc->left = rectNP.right;
 219     rc->top = rectTB.bottom;
 220     rc->bottom = rectWND.bottom - rectTB.bottom;
 221     rc->right = SIZEBAR_WIDTH;
 222 }
 223
 224 static BOOL HH_AddSizeBar(HHInfo *pHHInfo)
 225 {
 226     HWND hWnd;
 227     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 228     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_OVERLAPPED;
 229     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 230     RECT rc;
 231
 232     SB_GetSizeBarRect(pHHInfo, &rc);
 233
 234     hWnd = CreateWindowExW(dwExStyles, szSizeBarClass, szEmpty, dwStyles,
 235                            rc.left, rc.top, rc.right, rc.bottom,
 236                            hwndParent, NULL, hhctrl_hinstance, NULL);
 237     if (!hWnd)
 238         return FALSE;
 239
 240     /* store the pointer to the HH info struct */
 241     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 242
 243     pHHInfo->hwndSizeBar = hWnd;
 244     return TRUE;
 245 }
 246
 247 /* Child Window */
 248
 249 static const WCHAR szChildClass[] = {
 250     'H','H',' ','C','h','i','l','d',0
 251 };
 252
 253 static void Child_OnPaint(HWND hWnd)
 254 {
 255     PAINTSTRUCT ps;
 256     HDC hdc;
 257     RECT rc;
 258
 259     hdc = BeginPaint(hWnd, &ps);
 260
 261     /* Only paint the Navigation pane, identified by the fact
 262      * that it has a child window
 263      */
 264     if (GetWindow(hWnd, GW_CHILD))
 265     {
 266         GetClientRect(hWnd, &rc);
 267
 268         /* set the border color */
 269         SelectObject(hdc, GetStockObject(DC_PEN));
 270         SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
 271
 272         /* Draw the top border */
 273         LineTo(hdc, rc.right, 0);
 274
 275         SelectObject(hdc, GetStockObject(WHITE_PEN));
 276         MoveToEx(hdc, 0, 1, NULL);
 277         LineTo(hdc, rc.right, 1);
 278     }
 279
 280     EndPaint(hWnd, &ps);
 281 }
 282
 283 static LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 284 {
 285     switch (message)
 286     {
 287         case WM_PAINT:
 288             Child_OnPaint(hWnd);
 289             break;
 290         default:
 291             return DefWindowProcW(hWnd, message, wParam, lParam);
 292     }
 293
 294     return 0;
 295 }
 296
 297 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
 298 {
 299     WNDCLASSEXW wcex;
 300
 301     wcex.cbSize         = sizeof(WNDCLASSEXW);
 302     wcex.style          = 0;
 303     wcex.lpfnWndProc    = Child_WndProc;
 304     wcex.cbClsExtra     = 0;
 305     wcex.cbWndExtra     = 0;
 306     wcex.hInstance      = hhctrl_hinstance;
 307     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 308     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 309     wcex.hbrBackground  = (HBRUSH)(COLOR_BTNFACE + 1);
 310     wcex.lpszMenuName   = NULL;
 311     wcex.lpszClassName  = szChildClass;
 312     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 313
 314     RegisterClassExW(&wcex);
 315 }
 316
 317 /* Toolbar */
 318
 319 #define ICON_SIZE   20
 320
 321 static void TB_OnClick(HWND hWnd, DWORD dwID)
 322 {
 323     HHInfo *info = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 324
 325     switch (dwID)
 326     {
 327         case IDTB_STOP:
 328             DoPageAction(info, WB_STOP);
 329             break;
 330         case IDTB_REFRESH:
 331             DoPageAction(info, WB_REFRESH);
 332             break;
 333         case IDTB_BACK:
 334             DoPageAction(info, WB_GOBACK);
 335             break;
 336         case IDTB_HOME:
 337             NavigateToChm(info, info->pCHMInfo->szFile, info->WinType.pszHome);
 338             break;
 339         case IDTB_FORWARD:
 340             DoPageAction(info, WB_GOFORWARD);
 341             break;
 342         case IDTB_EXPAND:
 343         case IDTB_CONTRACT:
 344         case IDTB_SYNC:
 345         case IDTB_PRINT:
 346         case IDTB_OPTIONS:
 347         case IDTB_BROWSE_FWD:
 348         case IDTB_BROWSE_BACK:
 349         case IDTB_JUMP1:
 350         case IDTB_JUMP2:
 351         case IDTB_CUSTOMIZE:
 352         case IDTB_ZOOM:
 353         case IDTB_TOC_NEXT:
 354         case IDTB_TOC_PREV:
 355             break;
 356     }
 357 }
 358
 359 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID)
 360 {
 361     /* FIXME: Load the correct button bitmaps */
 362     pButtons[dwIndex].iBitmap = STD_PRINT;
 363     pButtons[dwIndex].idCommand = dwID;
 364     pButtons[dwIndex].fsState = TBSTATE_ENABLED;
 365     pButtons[dwIndex].fsStyle = BTNS_BUTTON;
 366     pButtons[dwIndex].dwData = 0;
 367     pButtons[dwIndex].iString = 0;
 368 }
 369
 370 static void TB_AddButtonsFromFlags(TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
 371 {
 372     *pdwNumButtons = 0;
 373
 374     if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
 375         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND);
 376
 377     if (dwButtonFlags & HHWIN_BUTTON_BACK)
 378         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK);
 379
 380     if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
 381         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD);
 382
 383     if (dwButtonFlags & HHWIN_BUTTON_STOP)
 384         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP);
 385
 386     if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
 387         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH);
 388
 389     if (dwButtonFlags & HHWIN_BUTTON_HOME)
 390         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME);
 391
 392     if (dwButtonFlags & HHWIN_BUTTON_SYNC)
 393         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC);
 394
 395     if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
 396         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS);
 397
 398     if (dwButtonFlags & HHWIN_BUTTON_PRINT)
 399         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT);
 400
 401     if (dwButtonFlags & HHWIN_BUTTON_JUMP1)
 402         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_JUMP1);
 403
 404     if (dwButtonFlags & HHWIN_BUTTON_JUMP2)
 405         TB_AddButton(pButtons,(*pdwNumButtons)++, IDTB_JUMP2);
 406
 407     if (dwButtonFlags & HHWIN_BUTTON_ZOOM)
 408         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_ZOOM);
 409
 410     if (dwButtonFlags & HHWIN_BUTTON_TOC_NEXT)
 411         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_NEXT);
 412
 413     if (dwButtonFlags & HHWIN_BUTTON_TOC_PREV)
 414         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_PREV);
 415 }
 416
 417 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
 418 {
 419     HWND hToolbar;
 420     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 421     DWORD toolbarFlags;
 422     TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
 423     TBADDBITMAP tbAB;
 424     DWORD dwStyles, dwExStyles;
 425     DWORD dwNumButtons, dwIndex;
 426
 427     if (pHHInfo->WinType.fsWinProperties & HHWIN_PARAM_TB_FLAGS)
 428         toolbarFlags = pHHInfo->WinType.fsToolBarFlags;
 429     else
 430         toolbarFlags = HHWIN_DEF_BUTTONS;
 431
 432     TB_AddButtonsFromFlags(buttons, toolbarFlags, &dwNumButtons);
 433
 434     dwStyles = WS_CHILDWINDOW | WS_VISIBLE | TBSTYLE_FLAT |
 435                TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
 436     dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 437
 438     hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
 439                                0, 0, 0, 0, hwndParent, NULL,
 440                                hhctrl_hinstance, NULL);
 441     if (!hToolbar)
 442         return FALSE;
 443
 444     SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
 445     SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 446     SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 447
 448     /* FIXME: Load correct icons for all buttons */
 449     tbAB.hInst = HINST_COMMCTRL;
 450     tbAB.nID = IDB_STD_LARGE_COLOR;
 451     SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
 452
 453     for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
 454     {
 455         LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
 456         DWORD dwLen = strlenW(szBuf);
 457         szBuf[dwLen + 2] = 0; /* Double-null terminate */
 458
 459         buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
 460         hhctrl_free(szBuf);
 461     }
 462
 463     SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)&buttons);
 464     SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
 465     ShowWindow(hToolbar, SW_SHOW);
 466
 467     pHHInfo->WinType.hwndToolBar = hToolbar;
 468     return TRUE;
 469 }
 470
 471 /* Navigation Pane */
 472
 473 #define TAB_TOP_PADDING     8
 474 #define TAB_RIGHT_PADDING   4
 475
 476 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
 477 {
 478     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 479     HWND hwndToolbar = pHHInfo->WinType.hwndToolBar;
 480     RECT rectWND, rectTB;
 481
 482     GetClientRect(hwndParent, &rectWND);
 483     GetClientRect(hwndToolbar, &rectTB);
 484
 485     rc->left = 0;
 486     rc->top = rectTB.bottom;
 487     rc->bottom = rectWND.bottom - rectTB.bottom;
 488
 489     if (!(pHHInfo->WinType.fsValidMembers & HHWIN_PARAM_NAV_WIDTH) &&
 490           pHHInfo->WinType.iNavWidth == 0)
 491     {
 492         pHHInfo->WinType.iNavWidth = WINTYPE_DEFAULT_NAVWIDTH;
 493     }
 494
 495     rc->right = pHHInfo->WinType.iNavWidth;
 496 }
 497
 498 static void NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD dwStrID, DWORD dwIndex)
 499 {
 500     TCITEMW tie;
 501     LPWSTR tabText = HH_LoadString(dwStrID);
 502
 503     tie.mask = TCIF_TEXT;
 504     tie.pszText = tabText;
 505
 506     SendMessageW( hwndTabCtrl, TCM_INSERTITEMW, dwIndex, (LPARAM)&tie );
 507     hhctrl_free(tabText);
 508 }
 509
 510 static BOOL HH_AddNavigationPane(HHInfo *info)
 511 {
 512     HWND hWnd, hwndTabCtrl;
 513     HWND hwndParent = info->WinType.hwndHelp;
 514     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE;
 515     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 516     DWORD dwIndex = 0;
 517     RECT rc;
 518
 519     NP_GetNavigationRect(info, &rc);
 520
 521     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 522                            rc.left, rc.top, rc.right, rc.bottom,
 523                            hwndParent, NULL, hhctrl_hinstance, NULL);
 524     if (!hWnd)
 525         return FALSE;
 526
 527     hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles,
 528                                   0, TAB_TOP_PADDING,
 529                                   rc.right - TAB_RIGHT_PADDING,
 530                                   rc.bottom - TAB_TOP_PADDING,
 531                                   hWnd, NULL, hhctrl_hinstance, NULL);
 532     if (!hwndTabCtrl)
 533         return FALSE;
 534
 535     if (*info->WinType.pszToc)
 536         NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_CONTENTS, dwIndex++);
 537
 538     if (*info->WinType.pszIndex)
 539         NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_INDEX, dwIndex++);
 540
 541     if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_SEARCH)
 542         NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_SEARCH, dwIndex++);
 543
 544     if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
 545         NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_FAVORITES, dwIndex++);
 546
 547     SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)info->hFont, TRUE);
 548
 549     info->hwndTabCtrl = hwndTabCtrl;
 550     info->WinType.hwndNavigation = hWnd;
 551     return TRUE;
 552 }
 553
 554 /* HTML Pane */
 555
 556 static void HP_GetHTMLRect(HHInfo *info, RECT *rc)
 557 {
 558     RECT rectTB, rectWND, rectNP, rectSB;
 559
 560     GetClientRect(info->WinType.hwndHelp, &rectWND);
 561     GetClientRect(info->WinType.hwndToolBar, &rectTB);
 562     GetClientRect(info->WinType.hwndNavigation, &rectNP);
 563     GetClientRect(info->hwndSizeBar, &rectSB);
 564
 565     rc->left = rectNP.right + rectSB.right;
 566     rc->top = rectTB.bottom;
 567     rc->right = rectWND.right - rc->left;
 568     rc->bottom = rectWND.bottom - rectTB.bottom;
 569 }
 570
 571 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
 572 {
 573     HWND hWnd;
 574     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 575     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
 576     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
 577     RECT rc;
 578
 579     HP_GetHTMLRect(pHHInfo, &rc);
 580
 581     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 582                            rc.left, rc.top, rc.right, rc.bottom,
 583                            hwndParent, NULL, hhctrl_hinstance, NULL);
 584     if (!hWnd)
 585         return FALSE;
 586
 587     if (!InitWebBrowser(pHHInfo, hWnd))
 588         return FALSE;
 589
 590     /* store the pointer to the HH info struct */
 591     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 592
 593     ShowWindow(hWnd, SW_SHOW);
 594     UpdateWindow(hWnd);
 595
 596     pHHInfo->WinType.hwndHTML = hWnd;
 597     return TRUE;
 598 }
 599
 600 /* Viewer Window */
 601
 602 static LRESULT Help_OnSize(HWND hWnd)
 603 {
 604     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 605     DWORD dwSize;
 606     RECT rc;
 607
 608     if (!pHHInfo)
 609         return 0;
 610
 611     NP_GetNavigationRect(pHHInfo, &rc);
 612     SetWindowPos(pHHInfo->WinType.hwndNavigation, HWND_TOP, 0, 0,
 613                  rc.right, rc.bottom, SWP_NOMOVE);
 614
 615     GetClientRect(pHHInfo->WinType.hwndNavigation, &rc);
 616     SetWindowPos(pHHInfo->hwndTabCtrl, HWND_TOP, 0, 0,
 617                  rc.right - TAB_RIGHT_PADDING,
 618                  rc.bottom - TAB_TOP_PADDING, SWP_NOMOVE);
 619
 620     SB_GetSizeBarRect(pHHInfo, &rc);
 621     SetWindowPos(pHHInfo->hwndSizeBar, HWND_TOP, rc.left, rc.top,
 622                  rc.right, rc.bottom, SWP_SHOWWINDOW);
 623
 624     HP_GetHTMLRect(pHHInfo, &rc);
 625     SetWindowPos(pHHInfo->WinType.hwndHTML, HWND_TOP, rc.left, rc.top,
 626                  rc.right, rc.bottom, SWP_SHOWWINDOW);
 627
 628     /* Resize browser window taking the frame size into account */
 629     dwSize = GetSystemMetrics(SM_CXFRAME);
 630     ResizeWebBrowser(pHHInfo, rc.right - dwSize, rc.bottom - dwSize);
 631
 632     return 0;
 633 }
 634
 635 static LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 636 {
 637     switch (message)
 638     {
 639     case WM_COMMAND:
 640         if (HIWORD(wParam) == BN_CLICKED)
 641             TB_OnClick(hWnd, LOWORD(wParam));
 642         break;
 643     case WM_SIZE:
 644         return Help_OnSize(hWnd);
 645     case WM_CLOSE:
 646         ReleaseHelpViewer((HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA));
 647         return 0;
 648     case WM_DESTROY:
 649         if(hh_process)
 650             PostQuitMessage(0);
 651         break;
 652
 653     default:
 654         return DefWindowProcW(hWnd, message, wParam, lParam);
 655     }
 656
 657     return 0;
 658 }
 659
 660 static BOOL HH_CreateHelpWindow(HHInfo *info)
 661 {
 662     HWND hWnd;
 663     RECT winPos = info->WinType.rcWindowPos;
 664     WNDCLASSEXW wcex;
 665     DWORD dwStyles, dwExStyles;
 666     DWORD x, y, width, height;
 667
 668     static const WCHAR windowClassW[] = {
 669         'H','H',' ', 'P','a','r','e','n','t',0
 670     };
 671
 672     wcex.cbSize         = sizeof(WNDCLASSEXW);
 673     wcex.style          = CS_HREDRAW | CS_VREDRAW;
 674     wcex.lpfnWndProc    = Help_WndProc;
 675     wcex.cbClsExtra     = 0;
 676     wcex.cbWndExtra     = 0;
 677     wcex.hInstance      = hhctrl_hinstance;
 678     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 679     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 680     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 681     wcex.lpszMenuName   = NULL;
 682     wcex.lpszClassName  = windowClassW;
 683     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 684
 685     RegisterClassExW(&wcex);
 686
 687     /* Read in window parameters if available */
 688     if (info->WinType.fsValidMembers & HHWIN_PARAM_STYLES)
 689         dwStyles = info->WinType.dwStyles;
 690     else
 691         dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
 692                    WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
 693
 694     if (info->WinType.fsValidMembers & HHWIN_PARAM_EXSTYLES)
 695         dwExStyles = info->WinType.dwExStyles;
 696     else
 697         dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
 698                      WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
 699
 700     if (info->WinType.fsValidMembers & HHWIN_PARAM_RECT)
 701     {
 702         x = winPos.left;
 703         y = winPos.top;
 704         width = winPos.right - x;
 705         height = winPos.bottom - y;
 706     }
 707     else
 708     {
 709         x = WINTYPE_DEFAULT_X;
 710         y = WINTYPE_DEFAULT_Y;
 711         width = WINTYPE_DEFAULT_WIDTH;
 712         height = WINTYPE_DEFAULT_HEIGHT;
 713     }
 714
 715     hWnd = CreateWindowExW(dwExStyles, windowClassW, info->WinType.pszCaption,
 716                            dwStyles, x, y, width, height, NULL, NULL, hhctrl_hinstance, NULL);
 717     if (!hWnd)
 718         return FALSE;
 719
 720     ShowWindow(hWnd, SW_SHOW);
 721     UpdateWindow(hWnd);
 722
 723     /* store the pointer to the HH info struct */
 724     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)info);
 725
 726     info->WinType.hwndHelp = hWnd;
 727     return TRUE;
 728 }
 729
 730 static void HH_CreateFont(HHInfo *pHHInfo)
 731 {
 732     LOGFONTW lf;
 733
 734     GetObjectW(GetStockObject(ANSI_VAR_FONT), sizeof(LOGFONTW), &lf);
 735     lf.lfWeight = FW_NORMAL;
 736     lf.lfItalic = FALSE;
 737     lf.lfUnderline = FALSE;
 738
 739     pHHInfo->hFont = CreateFontIndirectW(&lf);
 740 }
 741
 742 static void HH_InitRequiredControls(DWORD dwControls)
 743 {
 744     INITCOMMONCONTROLSEX icex;
 745
 746     icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 747     icex.dwICC = dwControls;
 748     InitCommonControlsEx(&icex);
 749 }
 750
 751 /* Creates the whole package */
 752 static BOOL CreateViewer(HHInfo *pHHInfo)
 753 {
 754     HH_CreateFont(pHHInfo);
 755
 756     if (!HH_CreateHelpWindow(pHHInfo))
 757         return FALSE;
 758
 759     HH_InitRequiredControls(ICC_BAR_CLASSES);
 760
 761     if (!HH_AddToolbar(pHHInfo))
 762         return FALSE;
 763
 764     HH_RegisterChildWndClass(pHHInfo);
 765
 766     if (!HH_AddNavigationPane(pHHInfo))
 767         return FALSE;
 768
 769     HH_RegisterSizeBarClass(pHHInfo);
 770
 771     if (!HH_AddSizeBar(pHHInfo))
 772         return FALSE;
 773
 774     if (!HH_AddHTMLPane(pHHInfo))
 775         return FALSE;
 776
 777     return TRUE;
 778 }
 779
 780 void ReleaseHelpViewer(HHInfo *info)
 781 {
 782     if (!info)
 783         return;
 784
 785     /* Free allocated strings */
 786     hhctrl_free((LPWSTR)info->WinType.pszType);
 787     hhctrl_free((LPWSTR)info->WinType.pszCaption);
 788     hhctrl_free((LPWSTR)info->WinType.pszToc);
 789     hhctrl_free((LPWSTR)info->WinType.pszIndex);
 790     hhctrl_free((LPWSTR)info->WinType.pszFile);
 791     hhctrl_free((LPWSTR)info->WinType.pszHome);
 792     hhctrl_free((LPWSTR)info->WinType.pszJump1);
 793     hhctrl_free((LPWSTR)info->WinType.pszJump2);
 794     hhctrl_free((LPWSTR)info->WinType.pszUrlJump1);
 795     hhctrl_free((LPWSTR)info->WinType.pszUrlJump2);
 796
 797     if (info->pCHMInfo)
 798         CloseCHM(info->pCHMInfo);
 799
 800     ReleaseWebBrowser(info);
 801
 802     if(info->WinType.hwndHelp)
 803         DestroyWindow(info->WinType.hwndHelp);
 804
 805     hhctrl_free(info);
 806     OleUninitialize();
 807 }
 808
 809 HHInfo *CreateHelpViewer(LPCWSTR filename)
 810 {
 811     HHInfo *info = hhctrl_alloc_zero(sizeof(HHInfo));
 812
 813     OleInitialize(NULL);
 814
 815     info->pCHMInfo = OpenCHM(filename);
 816     if(!info->pCHMInfo) {
 817         ReleaseHelpViewer(info);
 818         return NULL;
 819     }
 820
 821     if (!LoadWinTypeFromCHM(info->pCHMInfo, &info->WinType)) {
 822         ReleaseHelpViewer(info);
 823         return NULL;
 824     }
 825
 826     if(!CreateViewer(info)) {
 827         ReleaseHelpViewer(info);
 828         return NULL;
 829     }
 830
 831     return info;
 832 }