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