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 <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 static void Help_OnSize(HWND hWnd);
  38
  39 /* Window type defaults */
  40
  41 #define WINTYPE_DEFAULT_X           280
  42 #define WINTYPE_DEFAULT_Y           100
  43 #define WINTYPE_DEFAULT_WIDTH       740
  44 #define WINTYPE_DEFAULT_HEIGHT      640
  45 #define WINTYPE_DEFAULT_NAVWIDTH    250
  46
  47 static const WCHAR szEmpty[] = {0};
  48
  49 typedef struct tagHHInfo
  50 {
  51     HH_WINTYPEW *pHHWinType;
  52     CHMInfo *pCHMInfo;
  53     WBInfo *pWBInfo;
  54     HINSTANCE hInstance;
  55     LPWSTR szCmdLine;
  56     HWND hwndTabCtrl;
  57     HWND hwndSizeBar;
  58     HFONT hFont;
  59 } HHInfo;
  60
  61 extern HINSTANCE hhctrl_hinstance;
  62
  63 static LPWSTR HH_ANSIToUnicode(LPCSTR ansi)
  64 {
  65     LPWSTR unicode;
  66     int count;
  67
  68     count = MultiByteToWideChar(CP_ACP, 0, ansi, -1, NULL, 0);
  69     unicode = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
  70     MultiByteToWideChar(CP_ACP, 0, ansi, -1, unicode, count);
  71
  72     return unicode;
  73 }
  74
  75 /* Loads a string from the resource file */
  76 static LPWSTR HH_LoadString(DWORD dwID)
  77 {
  78     LPWSTR string = NULL;
  79     int iSize;
  80
  81     iSize = LoadStringW(hhctrl_hinstance, dwID, NULL, 0);
  82     iSize += 2; /* some strings (tab text) needs double-null termination */
  83
  84     string = HeapAlloc(GetProcessHeap(), 0, iSize * sizeof(WCHAR));
  85     LoadStringW(hhctrl_hinstance, dwID, string, iSize);
  86
  87     return string;
  88 }
  89
  90 /* Size Bar */
  91
  92 #define SIZEBAR_WIDTH   4
  93
  94 static const WCHAR szSizeBarClass[] = {
  95     'H','H',' ','S','i','z','e','B','a','r',0
  96 };
  97
  98 /* Draw the SizeBar */
  99 static void SB_OnPaint(HWND hWnd)
 100 {
 101     PAINTSTRUCT ps;
 102     HDC hdc;
 103     RECT rc;
 104
 105     hdc = BeginPaint(hWnd, &ps);
 106
 107     GetClientRect(hWnd, &rc);
 108
 109     /* dark frame */
 110     rc.right += 1;
 111     rc.bottom -= 1;
 112     FrameRect(hdc, &rc, GetStockObject(GRAY_BRUSH));
 113
 114     /* white highlight */
 115     SelectObject(hdc, GetStockObject(WHITE_PEN));
 116     MoveToEx(hdc, rc.right, 1, NULL);
 117     LineTo(hdc, 1, 1);
 118     LineTo(hdc, 1, rc.bottom - 1);
 119
 120
 121     MoveToEx(hdc, 0, rc.bottom, NULL);
 122     LineTo(hdc, rc.right, rc.bottom);
 123
 124     EndPaint(hWnd, &ps);
 125 }
 126
 127 static void SB_OnLButtonDown(HWND hWnd, WPARAM wParam, LPARAM lParam)
 128 {
 129     SetCapture(hWnd);
 130 }
 131
 132 static void SB_OnLButtonUp(HWND hWnd, WPARAM wParam, LPARAM lParam)
 133 {
 134     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 135     POINTS pt = MAKEPOINTS(lParam);
 136
 137     /* update the window sizes */
 138     pHHInfo->pHHWinType->iNavWidth += pt.x;
 139     Help_OnSize(hWnd);
 140
 141     ReleaseCapture();
 142 }
 143
 144 static void SB_OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM lParam)
 145 {
 146     /* ignore WM_MOUSEMOVE if not dragging the SizeBar */
 147     if (!(wParam & MK_LBUTTON))
 148         return;
 149 }
 150
 151 static LRESULT CALLBACK SizeBar_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 152 {
 153     switch (message)
 154     {
 155         case WM_LBUTTONDOWN:
 156             SB_OnLButtonDown(hWnd, wParam, lParam);
 157             break;
 158         case WM_LBUTTONUP:
 159             SB_OnLButtonUp(hWnd, wParam, lParam);
 160             break;
 161         case WM_MOUSEMOVE:
 162             SB_OnMouseMove(hWnd, wParam, lParam);
 163             break;
 164         case WM_PAINT:
 165             SB_OnPaint(hWnd);
 166             break;
 167         default:
 168             return DefWindowProcW(hWnd, message, wParam, lParam);
 169     }
 170
 171     return 0;
 172 }
 173
 174 static void HH_RegisterSizeBarClass(HHInfo *pHHInfo)
 175 {
 176     WNDCLASSEXW wcex;
 177
 178     wcex.cbSize         = sizeof(WNDCLASSEXW);
 179     wcex.style          = 0;
 180     wcex.lpfnWndProc    = (WNDPROC)SizeBar_WndProc;
 181     wcex.cbClsExtra     = 0;
 182     wcex.cbWndExtra     = 0;
 183     wcex.hInstance      = pHHInfo->hInstance;
 184     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 185     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_SIZEWE);
 186     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 187     wcex.lpszMenuName   = NULL;
 188     wcex.lpszClassName  = szSizeBarClass;
 189     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 190
 191     RegisterClassExW(&wcex);
 192 }
 193
 194 static void SB_GetSizeBarRect(HHInfo *pHHInfo, RECT *rc)
 195 {
 196     RECT rectWND, rectTB, rectNP;
 197
 198     GetClientRect(pHHInfo->pHHWinType->hwndHelp, &rectWND);
 199     GetClientRect(pHHInfo->pHHWinType->hwndToolBar, &rectTB);
 200     GetClientRect(pHHInfo->pHHWinType->hwndNavigation, &rectNP);
 201
 202     rc->left = rectNP.right;
 203     rc->top = rectTB.bottom;
 204     rc->bottom = rectWND.bottom - rectTB.bottom;
 205     rc->right = SIZEBAR_WIDTH;
 206 }
 207
 208 static BOOL HH_AddSizeBar(HHInfo *pHHInfo)
 209 {
 210     HWND hWnd;
 211     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 212     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_OVERLAPPED;
 213     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 214     RECT rc;
 215
 216     SB_GetSizeBarRect(pHHInfo, &rc);
 217
 218     hWnd = CreateWindowExW(dwExStyles, szSizeBarClass, szEmpty, dwStyles,
 219                            rc.left, rc.top, rc.right, rc.bottom,
 220                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 221     if (!hWnd)
 222         return FALSE;
 223
 224     /* store the pointer to the HH info struct */
 225     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 226
 227     pHHInfo->hwndSizeBar = hWnd;
 228     return TRUE;
 229 }
 230
 231 /* Child Window */
 232
 233 static const WCHAR szChildClass[] = {
 234     'H','H',' ','C','h','i','l','d',0
 235 };
 236
 237 static void Child_OnPaint(HWND hWnd)
 238 {
 239     PAINTSTRUCT ps;
 240     HDC hdc;
 241     RECT rc;
 242
 243     hdc = BeginPaint(hWnd, &ps);
 244
 245     /* Only paint the Navigation pane, identified by the fact
 246      * that it has a child window
 247      */
 248     if (GetWindow(hWnd, GW_CHILD))
 249     {
 250         GetClientRect(hWnd, &rc);
 251
 252         /* set the border color */
 253         SelectObject(hdc, GetStockObject(DC_PEN));
 254         SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
 255
 256         /* Draw the top border */
 257         LineTo(hdc, rc.right, 0);
 258
 259         SelectObject(hdc, GetStockObject(WHITE_PEN));
 260         MoveToEx(hdc, 0, 1, NULL);
 261         LineTo(hdc, rc.right, 1);
 262     }
 263
 264     EndPaint(hWnd, &ps);
 265 }
 266
 267 static LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 268 {
 269     switch (message)
 270     {
 271         case WM_PAINT:
 272             Child_OnPaint(hWnd);
 273             break;
 274         default:
 275             return DefWindowProcW(hWnd, message, wParam, lParam);
 276     }
 277
 278     return 0;
 279 }
 280
 281 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
 282 {
 283     WNDCLASSEXW wcex;
 284
 285     wcex.cbSize         = sizeof(WNDCLASSEXW);
 286     wcex.style          = 0;
 287     wcex.lpfnWndProc    = (WNDPROC)Child_WndProc;
 288     wcex.cbClsExtra     = 0;
 289     wcex.cbWndExtra     = 0;
 290     wcex.hInstance      = pHHInfo->hInstance;
 291     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 292     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 293     wcex.hbrBackground  = (HBRUSH)(COLOR_BTNFACE + 1);
 294     wcex.lpszMenuName   = NULL;
 295     wcex.lpszClassName  = szChildClass;
 296     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 297
 298     RegisterClassExW(&wcex);
 299 }
 300
 301 /* Toolbar */
 302
 303 #define ICON_SIZE   20
 304
 305 static void TB_OnClick(HWND hWnd, DWORD dwID)
 306 {
 307     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 308
 309     switch (dwID)
 310     {
 311         case IDTB_STOP:
 312             WB_DoPageAction(pHHInfo->pWBInfo, WB_STOP);
 313             break;
 314         case IDTB_REFRESH:
 315             WB_DoPageAction(pHHInfo->pWBInfo, WB_REFRESH);
 316             break;
 317         case IDTB_BACK:
 318             WB_DoPageAction(pHHInfo->pWBInfo, WB_GOBACK);
 319             break;
 320         case IDTB_HOME:
 321         {
 322             WCHAR szUrl[MAX_PATH];
 323
 324             CHM_CreateITSUrl(pHHInfo->pCHMInfo, pHHInfo->pHHWinType->pszHome, szUrl);
 325             WB_Navigate(pHHInfo->pWBInfo, szUrl);
 326             break;
 327         }
 328         case IDTB_FORWARD:
 329             WB_DoPageAction(pHHInfo->pWBInfo, WB_GOFORWARD);
 330             break;
 331         case IDTB_EXPAND:
 332         case IDTB_CONTRACT:
 333         case IDTB_SYNC:
 334         case IDTB_PRINT:
 335         case IDTB_OPTIONS:
 336         case IDTB_BROWSE_FWD:
 337         case IDTB_BROWSE_BACK:
 338         case IDTB_JUMP1:
 339         case IDTB_JUMP2:
 340         case IDTB_CUSTOMIZE:
 341         case IDTB_ZOOM:
 342         case IDTB_TOC_NEXT:
 343         case IDTB_TOC_PREV:
 344             break;
 345     }
 346 }
 347
 348 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID)
 349 {
 350     /* FIXME: Load the correct button bitmaps */
 351     pButtons[dwIndex].iBitmap = STD_PRINT;
 352     pButtons[dwIndex].idCommand = dwID;
 353     pButtons[dwIndex].fsState = TBSTATE_ENABLED;
 354     pButtons[dwIndex].fsStyle = BTNS_BUTTON;
 355     pButtons[dwIndex].dwData = 0;
 356     pButtons[dwIndex].iString = 0;
 357 }
 358
 359 static void TB_AddButtonsFromFlags(TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
 360 {
 361     *pdwNumButtons = 0;
 362
 363     if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
 364         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND);
 365
 366     if (dwButtonFlags & HHWIN_BUTTON_BACK)
 367         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK);
 368
 369     if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
 370         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD);
 371
 372     if (dwButtonFlags & HHWIN_BUTTON_STOP)
 373         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP);
 374
 375     if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
 376         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH);
 377
 378     if (dwButtonFlags & HHWIN_BUTTON_HOME)
 379         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME);
 380
 381     if (dwButtonFlags & HHWIN_BUTTON_SYNC)
 382         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC);
 383
 384     if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
 385         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS);
 386
 387     if (dwButtonFlags & HHWIN_BUTTON_PRINT)
 388         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT);
 389
 390     if (dwButtonFlags & HHWIN_BUTTON_JUMP1)
 391         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_JUMP1);
 392
 393     if (dwButtonFlags & HHWIN_BUTTON_JUMP2)
 394         TB_AddButton(pButtons,(*pdwNumButtons)++, IDTB_JUMP2);
 395
 396     if (dwButtonFlags & HHWIN_BUTTON_ZOOM)
 397         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_ZOOM);
 398
 399     if (dwButtonFlags & HHWIN_BUTTON_TOC_NEXT)
 400         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_NEXT);
 401
 402     if (dwButtonFlags & HHWIN_BUTTON_TOC_PREV)
 403         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_PREV);
 404 }
 405
 406 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
 407 {
 408     HWND hToolbar;
 409     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 410     DWORD toolbarFlags;
 411     TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
 412     TBADDBITMAP tbAB;
 413     DWORD dwStyles, dwExStyles;
 414     DWORD dwNumButtons, dwIndex;
 415
 416     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PARAM_TB_FLAGS)
 417         toolbarFlags = pHHInfo->pHHWinType->fsToolBarFlags;
 418     else
 419         toolbarFlags = HHWIN_DEF_BUTTONS;
 420
 421     TB_AddButtonsFromFlags(buttons, toolbarFlags, &dwNumButtons);
 422
 423     dwStyles = WS_CHILDWINDOW | WS_VISIBLE | TBSTYLE_FLAT |
 424                TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
 425     dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 426
 427     hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
 428                                0, 0, 0, 0, hwndParent, NULL,
 429                                pHHInfo->hInstance, NULL);
 430     if (!hToolbar)
 431         return FALSE;
 432
 433     SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
 434     SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 435     SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 436
 437     /* FIXME: Load correct icons for all buttons */
 438     tbAB.hInst = HINST_COMMCTRL;
 439     tbAB.nID = IDB_STD_LARGE_COLOR;
 440     SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
 441
 442     for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
 443     {
 444         LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
 445         DWORD dwLen = strlenW(szBuf);
 446         szBuf[dwLen + 2] = 0; /* Double-null terminate */
 447
 448         buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
 449         HeapFree(GetProcessHeap(), 0, szBuf);
 450     }
 451
 452     SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)&buttons);
 453     SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
 454     ShowWindow(hToolbar, SW_SHOW);
 455
 456     pHHInfo->pHHWinType->hwndToolBar = hToolbar;
 457     return TRUE;
 458 }
 459
 460 /* Navigation Pane */
 461
 462 #define TAB_TOP_PADDING     8
 463 #define TAB_RIGHT_PADDING   4
 464
 465 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
 466 {
 467     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 468     HWND hwndToolbar = pHHInfo->pHHWinType->hwndToolBar;
 469     RECT rectWND, rectTB;
 470
 471     GetClientRect(hwndParent, &rectWND);
 472     GetClientRect(hwndToolbar, &rectTB);
 473
 474     rc->left = 0;
 475     rc->top = rectTB.bottom;
 476     rc->bottom = rectWND.bottom - rectTB.bottom;
 477
 478     if (!(pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_NAV_WIDTH) &&
 479           pHHInfo->pHHWinType->iNavWidth == 0)
 480     {
 481         pHHInfo->pHHWinType->iNavWidth = WINTYPE_DEFAULT_NAVWIDTH;
 482     }
 483
 484     rc->right = pHHInfo->pHHWinType->iNavWidth;
 485 }
 486
 487 static void NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD dwStrID, DWORD dwIndex)
 488 {
 489     TCITEMW tie;
 490     LPWSTR tabText = HH_LoadString(dwStrID);
 491
 492     tie.mask = TCIF_TEXT;
 493     tie.pszText = tabText;
 494
 495     SendMessageW( hwndTabCtrl, TCM_INSERTITEMW, dwIndex, (LPARAM)&tie );
 496     HeapFree(GetProcessHeap(), 0, tabText);
 497 }
 498
 499 static BOOL HH_AddNavigationPane(HHInfo *pHHInfo)
 500 {
 501     HWND hWnd, hwndTabCtrl;
 502     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 503     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE;
 504     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 505     DWORD dwIndex = 0;
 506     RECT rc;
 507
 508     NP_GetNavigationRect(pHHInfo, &rc);
 509
 510     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 511                            rc.left, rc.top, rc.right, rc.bottom,
 512                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 513     if (!hWnd)
 514         return FALSE;
 515
 516     hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles,
 517                                   0, TAB_TOP_PADDING,
 518                                   rc.right - TAB_RIGHT_PADDING,
 519                                   rc.bottom - TAB_TOP_PADDING,
 520                                   hWnd, NULL, pHHInfo->hInstance, NULL);
 521     if (!hwndTabCtrl)
 522         return FALSE;
 523
 524     if (*pHHInfo->pHHWinType->pszToc)
 525         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_CONTENTS, dwIndex++);
 526
 527     if (*pHHInfo->pHHWinType->pszIndex)
 528         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_INDEX, dwIndex++);
 529
 530     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PROP_TAB_SEARCH)
 531         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_SEARCH, dwIndex++);
 532
 533     if (pHHInfo->pHHWinType->fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
 534         NP_CreateTab(pHHInfo->hInstance, hwndTabCtrl, IDS_FAVORITES, dwIndex++);
 535
 536     SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 537
 538     pHHInfo->hwndTabCtrl = hwndTabCtrl;
 539     pHHInfo->pHHWinType->hwndNavigation = hWnd;
 540     return TRUE;
 541 }
 542
 543 /* HTML Pane */
 544
 545 static void HP_GetHTMLRect(HHInfo *pHHInfo, RECT *rc)
 546 {
 547     RECT rectTB, rectWND, rectNP, rectSB;
 548
 549     GetClientRect(pHHInfo->pHHWinType->hwndHelp, &rectWND);
 550     GetClientRect(pHHInfo->pHHWinType->hwndToolBar, &rectTB);
 551     GetClientRect(pHHInfo->pHHWinType->hwndNavigation, &rectNP);
 552     GetClientRect(pHHInfo->hwndSizeBar, &rectSB);
 553
 554     rc->left = rectNP.right + rectSB.right;
 555     rc->top = rectTB.bottom;
 556     rc->right = rectWND.right - rc->left;
 557     rc->bottom = rectWND.bottom - rectTB.bottom;
 558 }
 559
 560 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
 561 {
 562     HWND hWnd;
 563     HWND hwndParent = pHHInfo->pHHWinType->hwndHelp;
 564     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
 565     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
 566     RECT rc;
 567
 568     HP_GetHTMLRect(pHHInfo, &rc);
 569
 570     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 571                            rc.left, rc.top, rc.right, rc.bottom,
 572                            hwndParent, NULL, pHHInfo->hInstance, NULL);
 573     if (!hWnd)
 574         return FALSE;
 575
 576     if (!WB_EmbedBrowser(pHHInfo->pWBInfo, hWnd))
 577         return FALSE;
 578
 579     /* store the pointer to the HH info struct */
 580     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 581
 582     ShowWindow(hWnd, SW_SHOW);
 583     UpdateWindow(hWnd);
 584
 585     pHHInfo->pHHWinType->hwndHTML = hWnd;
 586     return TRUE;
 587 }
 588
 589 /* Viewer Window */
 590
 591 static void Help_OnSize(HWND hWnd)
 592 {
 593     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 594     DWORD dwSize;
 595     RECT rc;
 596
 597     if (!pHHInfo)
 598         return;
 599
 600     NP_GetNavigationRect(pHHInfo, &rc);
 601     SetWindowPos(pHHInfo->pHHWinType->hwndNavigation, HWND_TOP, 0, 0,
 602                  rc.right, rc.bottom, SWP_NOMOVE);
 603
 604     GetClientRect(pHHInfo->pHHWinType->hwndNavigation, &rc);
 605     SetWindowPos(pHHInfo->hwndTabCtrl, HWND_TOP, 0, 0,
 606                  rc.right - TAB_RIGHT_PADDING,
 607                  rc.bottom - TAB_TOP_PADDING, SWP_NOMOVE);
 608
 609     SB_GetSizeBarRect(pHHInfo, &rc);
 610     SetWindowPos(pHHInfo->hwndSizeBar, HWND_TOP, rc.left, rc.top,
 611                  rc.right, rc.bottom, SWP_SHOWWINDOW);
 612
 613     HP_GetHTMLRect(pHHInfo, &rc);
 614     SetWindowPos(pHHInfo->pHHWinType->hwndHTML, HWND_TOP, rc.left, rc.top,
 615                  rc.right, rc.bottom, SWP_SHOWWINDOW);
 616
 617     /* Resize browser window taking the frame size into account */
 618     dwSize = GetSystemMetrics(SM_CXFRAME);
 619     WB_ResizeBrowser(pHHInfo->pWBInfo, rc.right - dwSize, rc.bottom - dwSize);
 620 }
 621
 622 static LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 623 {
 624     PAINTSTRUCT ps;
 625     HDC hdc;
 626
 627     switch (message)
 628     {
 629         case WM_COMMAND:
 630             if (HIWORD(wParam) == BN_CLICKED)
 631                 TB_OnClick(hWnd, LOWORD(wParam));
 632             break;
 633         case WM_SIZE:
 634             Help_OnSize(hWnd);
 635             break;
 636         case WM_PAINT:
 637             hdc = BeginPaint(hWnd, &ps);
 638             EndPaint(hWnd, &ps);
 639             break;
 640         case WM_DESTROY:
 641             PostQuitMessage(0);
 642             break;
 643
 644         default:
 645             return DefWindowProcW(hWnd, message, wParam, lParam);
 646     }
 647
 648     return 0;
 649 }
 650
 651 static BOOL HH_CreateHelpWindow(HHInfo *pHHInfo)
 652 {
 653     HWND hWnd;
 654     HINSTANCE hInstance = pHHInfo->hInstance;
 655     RECT winPos = pHHInfo->pHHWinType->rcWindowPos;
 656     WNDCLASSEXW wcex;
 657     DWORD dwStyles, dwExStyles;
 658     DWORD x, y, width, height;
 659
 660     static const WCHAR windowClassW[] = {
 661         'H','H',' ', 'P','a','r','e','n','t',0
 662     };
 663
 664     wcex.cbSize         = sizeof(WNDCLASSEXW);
 665     wcex.style          = CS_HREDRAW | CS_VREDRAW;
 666     wcex.lpfnWndProc    = (WNDPROC)Help_WndProc;
 667     wcex.cbClsExtra     = 0;
 668     wcex.cbWndExtra     = 0;
 669     wcex.hInstance      = hInstance;
 670     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 671     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 672     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 673     wcex.lpszMenuName   = NULL;
 674     wcex.lpszClassName  = windowClassW;
 675     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 676
 677     RegisterClassExW(&wcex);
 678
 679     /* Read in window parameters if available */
 680     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_STYLES)
 681         dwStyles = pHHInfo->pHHWinType->dwStyles;
 682     else
 683         dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
 684                    WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
 685
 686     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_EXSTYLES)
 687         dwExStyles = pHHInfo->pHHWinType->dwExStyles;
 688     else
 689         dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
 690                      WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
 691
 692     if (pHHInfo->pHHWinType->fsValidMembers & HHWIN_PARAM_RECT)
 693     {
 694         x = winPos.left;
 695         y = winPos.top;
 696         width = winPos.right - x;
 697         height = winPos.bottom - y;
 698     }
 699     else
 700     {
 701         x = WINTYPE_DEFAULT_X;
 702         y = WINTYPE_DEFAULT_Y;
 703         width = WINTYPE_DEFAULT_WIDTH;
 704         height = WINTYPE_DEFAULT_HEIGHT;
 705     }
 706
 707     hWnd = CreateWindowExW(dwExStyles, windowClassW, pHHInfo->pHHWinType->pszCaption,
 708                            dwStyles, x, y, width, height, NULL, NULL, hInstance, NULL);
 709     if (!hWnd)
 710         return FALSE;
 711
 712     ShowWindow(hWnd, SW_SHOW);
 713     UpdateWindow(hWnd);
 714
 715     /* store the pointer to the HH info struct */
 716     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 717
 718     pHHInfo->pHHWinType->hwndHelp = hWnd;
 719     return TRUE;
 720 }
 721
 722 static void HH_CreateFont(HHInfo *pHHInfo)
 723 {
 724     LOGFONTW lf;
 725
 726     GetObjectW(GetStockObject(ANSI_VAR_FONT), sizeof(LOGFONTW), &lf);
 727     lf.lfWeight = FW_NORMAL;
 728     lf.lfItalic = FALSE;
 729     lf.lfUnderline = FALSE;
 730
 731     pHHInfo->hFont = CreateFontIndirectW(&lf);
 732 }
 733
 734 static void HH_InitRequiredControls(DWORD dwControls)
 735 {
 736     INITCOMMONCONTROLSEX icex;
 737
 738     icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 739     icex.dwICC = dwControls;
 740     InitCommonControlsEx(&icex);
 741 }
 742
 743 /* Creates the whole package */
 744 static BOOL HH_CreateViewer(HHInfo *pHHInfo)
 745 {
 746     HH_CreateFont(pHHInfo);
 747
 748     if (!HH_CreateHelpWindow(pHHInfo))
 749         return FALSE;
 750
 751     HH_InitRequiredControls(ICC_BAR_CLASSES);
 752
 753     if (!HH_AddToolbar(pHHInfo))
 754         return FALSE;
 755
 756     HH_RegisterChildWndClass(pHHInfo);
 757
 758     if (!HH_AddNavigationPane(pHHInfo))
 759         return FALSE;
 760
 761     HH_RegisterSizeBarClass(pHHInfo);
 762
 763     if (!HH_AddSizeBar(pHHInfo))
 764         return FALSE;
 765
 766     if (!HH_AddHTMLPane(pHHInfo))
 767         return FALSE;
 768
 769     return TRUE;
 770 }
 771
 772 static HHInfo *HH_OpenHH(HINSTANCE hInstance, LPWSTR szCmdLine)
 773 {
 774     HHInfo *pHHInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HHInfo));
 775
 776     pHHInfo->pHHWinType = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(HH_WINTYPEW));
 777     pHHInfo->pCHMInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(CHMInfo));
 778     pHHInfo->pWBInfo = HeapAlloc(GetProcessHeap(), 0, sizeof(WBInfo));
 779     pHHInfo->hInstance = hInstance;
 780     pHHInfo->szCmdLine = szCmdLine;
 781
 782     return pHHInfo;
 783 }
 784
 785 static void HH_Close(HHInfo *pHHInfo)
 786 {
 787     if (!pHHInfo)
 788         return;
 789
 790     /* Free allocated strings */
 791     if (pHHInfo->pHHWinType)
 792     {
 793         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszType);
 794         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszCaption);
 795         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszToc);
 796         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszType);
 797         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszIndex);
 798         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszFile);
 799         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszHome);
 800         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszJump1);
 801         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszJump2);
 802         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszUrlJump1);
 803         HeapFree(GetProcessHeap(), 0, (LPWSTR)pHHInfo->pHHWinType->pszUrlJump2);
 804     }
 805
 806     HeapFree(GetProcessHeap(), 0, pHHInfo->pHHWinType);
 807     HeapFree(GetProcessHeap(), 0, pHHInfo->szCmdLine);
 808
 809     if (pHHInfo->pCHMInfo)
 810     {
 811         CHM_CloseCHM(pHHInfo->pCHMInfo);
 812         HeapFree(GetProcessHeap(), 0, pHHInfo->pCHMInfo);
 813     }
 814
 815     if (pHHInfo->pWBInfo)
 816     {
 817         WB_UnEmbedBrowser(pHHInfo->pWBInfo);
 818         HeapFree(GetProcessHeap(), 0, pHHInfo->pWBInfo);
 819     }
 820 }
 821
 822 static void HH_OpenDefaultTopic(HHInfo *pHHInfo)
 823 {
 824     WCHAR url[MAX_PATH];
 825     LPCWSTR defTopic = pHHInfo->pHHWinType->pszFile;
 826
 827     CHM_CreateITSUrl(pHHInfo->pCHMInfo, defTopic, url);
 828     WB_Navigate(pHHInfo->pWBInfo, url);
 829 }
 830
 831 static BOOL HH_OpenCHM(HHInfo *pHHInfo)
 832 {
 833     if (!CHM_OpenCHM(pHHInfo->pCHMInfo, pHHInfo->szCmdLine))
 834         return FALSE;
 835
 836     if (!CHM_LoadWinTypeFromCHM(pHHInfo->pCHMInfo, pHHInfo->pHHWinType))
 837         return FALSE;
 838
 839     return TRUE;
 840 }
 841
 842 /* FIXME: Check szCmdLine for bad arguments */
 843 int WINAPI doWinMain(HINSTANCE hInstance, LPSTR szCmdLine)
 844 {
 845     MSG msg;
 846     HHInfo *pHHInfo;
 847
 848     if (OleInitialize(NULL) != S_OK)
 849         return -1;
 850
 851     pHHInfo = HH_OpenHH(hInstance, HH_ANSIToUnicode(szCmdLine));
 852     if (!pHHInfo || !HH_OpenCHM(pHHInfo) || !HH_CreateViewer(pHHInfo))
 853     {
 854         OleUninitialize();
 855         return -1;
 856     }
 857
 858     HH_OpenDefaultTopic(pHHInfo);
 859
 860     while (GetMessageW(&msg, 0, 0, 0))
 861     {
 862         TranslateMessage(&msg);
 863         DispatchMessageW(&msg);
 864     }
 865
 866     HH_Close(pHHInfo);
 867     HeapFree(GetProcessHeap(), 0, pHHInfo);
 868     OleUninitialize();
 869
 870     return 0;
 871 }