git.oblomov.eu Git - wine/blob - dlls/hhctrl.ocx/help.c

   1 /*
   2  * Help Viewer Implementation
   3  *
   4  * Copyright 2005 James Hawkins
   5  * Copyright 2007 Jacek Caban for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "hhctrl.h"
  23
  24 #include "wingdi.h"
  25 #include "commctrl.h"
  26 #include "wininet.h"
  27
  28 #include "wine/debug.h"
  29
  30 #include "resource.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
  33
  34 static LRESULT Help_OnSize(HWND hWnd);
  35
  36 /* Window type defaults */
  37
  38 #define WINTYPE_DEFAULT_X           280
  39 #define WINTYPE_DEFAULT_Y           100
  40 #define WINTYPE_DEFAULT_WIDTH       740
  41 #define WINTYPE_DEFAULT_HEIGHT      640
  42 #define WINTYPE_DEFAULT_NAVWIDTH    250
  43
  44 #define TAB_TOP_PADDING     8
  45 #define TAB_RIGHT_PADDING   4
  46 #define TAB_MARGIN  8
  47
  48 static const WCHAR szEmpty[] = {0};
  49
  50 /* Loads a string from the resource file */
  51 static LPWSTR HH_LoadString(DWORD dwID)
  52 {
  53     LPWSTR string = NULL;
  54     LPCWSTR stringresource;
  55     int iSize;
  56
  57     iSize = LoadStringW(hhctrl_hinstance, dwID, (LPWSTR)&stringresource, 0);
  58
  59     string = heap_alloc((iSize + 2) * sizeof(WCHAR)); /* some strings (tab text) needs double-null termination */
  60     memcpy(string, stringresource, iSize*sizeof(WCHAR));
  61     string[iSize] = 0;
  62
  63     return string;
  64 }
  65
  66 static HRESULT navigate_url(HHInfo *info, LPCWSTR surl)
  67 {
  68     VARIANT url;
  69     HRESULT hres;
  70
  71     TRACE("%s\n", debugstr_w(surl));
  72
  73     V_VT(&url) = VT_BSTR;
  74     V_BSTR(&url) = SysAllocString(surl);
  75
  76     hres = IWebBrowser2_Navigate2(info->web_browser, &url, 0, 0, 0, 0);
  77
  78     VariantClear(&url);
  79
  80     if(FAILED(hres))
  81         TRACE("Navigation failed: %08x\n", hres);
  82
  83     return hres;
  84 }
  85
  86 BOOL NavigateToUrl(HHInfo *info, LPCWSTR surl)
  87 {
  88     ChmPath chm_path;
  89     BOOL ret;
  90     HRESULT hres;
  91
  92     static const WCHAR url_indicator[] = {':', '/', '/', 0};
  93
  94     TRACE("%s\n", debugstr_w(surl));
  95
  96     if (strstrW(surl, url_indicator)) {
  97         hres = navigate_url(info, surl);
  98         if(SUCCEEDED(hres))
  99             return TRUE;
 100     } /* look up in chm if it doesn't look like a full url */
 101
 102     SetChmPath(&chm_path, info->pCHMInfo->szFile, surl);
 103     ret = NavigateToChm(info, chm_path.chm_file, chm_path.chm_index);
 104
 105     heap_free(chm_path.chm_file);
 106     heap_free(chm_path.chm_index);
 107
 108     return ret;
 109 }
 110
 111 BOOL NavigateToChm(HHInfo *info, LPCWSTR file, LPCWSTR index)
 112 {
 113     WCHAR buf[INTERNET_MAX_URL_LENGTH];
 114     WCHAR full_path[MAX_PATH];
 115     LPWSTR ptr;
 116
 117     static const WCHAR url_format[] =
 118         {'m','k',':','@','M','S','I','T','S','t','o','r','e',':','%','s',':',':','%','s','%','s',0};
 119     static const WCHAR slash[] = {'/',0};
 120     static const WCHAR empty[] = {0};
 121
 122     TRACE("%p %s %s\n", info, debugstr_w(file), debugstr_w(index));
 123
 124     if (!info->web_browser)
 125         return FALSE;
 126
 127     if(!GetFullPathNameW(file, sizeof(full_path)/sizeof(full_path[0]), full_path, NULL)) {
 128         WARN("GetFullPathName failed: %u\n", GetLastError());
 129         return FALSE;
 130     }
 131
 132     wsprintfW(buf, url_format, full_path, (!index || index[0] == '/') ? empty : slash, index);
 133
 134     /* FIXME: HACK */
 135     if((ptr = strchrW(buf, '#')))
 136        *ptr = 0;
 137
 138     return SUCCEEDED(navigate_url(info, buf));
 139 }
 140
 141 /* Size Bar */
 142
 143 #define SIZEBAR_WIDTH   4
 144
 145 static const WCHAR szSizeBarClass[] = {
 146     'H','H',' ','S','i','z','e','B','a','r',0
 147 };
 148
 149 /* Draw the SizeBar */
 150 static void SB_OnPaint(HWND hWnd)
 151 {
 152     PAINTSTRUCT ps;
 153     HDC hdc;
 154     RECT rc;
 155
 156     hdc = BeginPaint(hWnd, &ps);
 157
 158     GetClientRect(hWnd, &rc);
 159
 160     /* dark frame */
 161     rc.right += 1;
 162     rc.bottom -= 1;
 163     FrameRect(hdc, &rc, GetStockObject(GRAY_BRUSH));
 164
 165     /* white highlight */
 166     SelectObject(hdc, GetStockObject(WHITE_PEN));
 167     MoveToEx(hdc, rc.right, 1, NULL);
 168     LineTo(hdc, 1, 1);
 169     LineTo(hdc, 1, rc.bottom - 1);
 170
 171
 172     MoveToEx(hdc, 0, rc.bottom, NULL);
 173     LineTo(hdc, rc.right, rc.bottom);
 174
 175     EndPaint(hWnd, &ps);
 176 }
 177
 178 static void SB_OnLButtonDown(HWND hWnd, WPARAM wParam, LPARAM lParam)
 179 {
 180     SetCapture(hWnd);
 181 }
 182
 183 static void SB_OnLButtonUp(HWND hWnd, WPARAM wParam, LPARAM lParam)
 184 {
 185     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 186     POINT pt;
 187
 188     pt.x = (short)LOWORD(lParam);
 189     pt.y = (short)HIWORD(lParam);
 190
 191     /* update the window sizes */
 192     pHHInfo->WinType.iNavWidth += pt.x;
 193     Help_OnSize(hWnd);
 194
 195     ReleaseCapture();
 196 }
 197
 198 static void SB_OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM lParam)
 199 {
 200     /* ignore WM_MOUSEMOVE if not dragging the SizeBar */
 201     if (!(wParam & MK_LBUTTON))
 202         return;
 203 }
 204
 205 static LRESULT CALLBACK SizeBar_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 206 {
 207     switch (message)
 208     {
 209         case WM_LBUTTONDOWN:
 210             SB_OnLButtonDown(hWnd, wParam, lParam);
 211             break;
 212         case WM_LBUTTONUP:
 213             SB_OnLButtonUp(hWnd, wParam, lParam);
 214             break;
 215         case WM_MOUSEMOVE:
 216             SB_OnMouseMove(hWnd, wParam, lParam);
 217             break;
 218         case WM_PAINT:
 219             SB_OnPaint(hWnd);
 220             break;
 221         default:
 222             return DefWindowProcW(hWnd, message, wParam, lParam);
 223     }
 224
 225     return 0;
 226 }
 227
 228 static void HH_RegisterSizeBarClass(HHInfo *pHHInfo)
 229 {
 230     WNDCLASSEXW wcex;
 231
 232     wcex.cbSize         = sizeof(WNDCLASSEXW);
 233     wcex.style          = 0;
 234     wcex.lpfnWndProc    = SizeBar_WndProc;
 235     wcex.cbClsExtra     = 0;
 236     wcex.cbWndExtra     = 0;
 237     wcex.hInstance      = hhctrl_hinstance;
 238     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 239     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_SIZEWE);
 240     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 241     wcex.lpszMenuName   = NULL;
 242     wcex.lpszClassName  = szSizeBarClass;
 243     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 244
 245     RegisterClassExW(&wcex);
 246 }
 247
 248 static void SB_GetSizeBarRect(HHInfo *info, RECT *rc)
 249 {
 250     RECT rectWND, rectTB, rectNP;
 251
 252     GetClientRect(info->WinType.hwndHelp, &rectWND);
 253     GetClientRect(info->WinType.hwndToolBar, &rectTB);
 254     GetClientRect(info->WinType.hwndNavigation, &rectNP);
 255
 256     rc->left = rectNP.right;
 257     rc->top = rectTB.bottom;
 258     rc->bottom = rectWND.bottom - rectTB.bottom;
 259     rc->right = SIZEBAR_WIDTH;
 260 }
 261
 262 static BOOL HH_AddSizeBar(HHInfo *pHHInfo)
 263 {
 264     HWND hWnd;
 265     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 266     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_OVERLAPPED;
 267     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 268     RECT rc;
 269
 270     SB_GetSizeBarRect(pHHInfo, &rc);
 271
 272     hWnd = CreateWindowExW(dwExStyles, szSizeBarClass, szEmpty, dwStyles,
 273                            rc.left, rc.top, rc.right, rc.bottom,
 274                            hwndParent, NULL, hhctrl_hinstance, NULL);
 275     if (!hWnd)
 276         return FALSE;
 277
 278     /* store the pointer to the HH info struct */
 279     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 280
 281     pHHInfo->hwndSizeBar = hWnd;
 282     return TRUE;
 283 }
 284
 285 /* Child Window */
 286
 287 static const WCHAR szChildClass[] = {
 288     'H','H',' ','C','h','i','l','d',0
 289 };
 290
 291 static LRESULT Child_OnPaint(HWND hWnd)
 292 {
 293     PAINTSTRUCT ps;
 294     HDC hdc;
 295     RECT rc;
 296
 297     hdc = BeginPaint(hWnd, &ps);
 298
 299     /* Only paint the Navigation pane, identified by the fact
 300      * that it has a child window
 301      */
 302     if (GetWindow(hWnd, GW_CHILD))
 303     {
 304         GetClientRect(hWnd, &rc);
 305
 306         /* set the border color */
 307         SelectObject(hdc, GetStockObject(DC_PEN));
 308         SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
 309
 310         /* Draw the top border */
 311         LineTo(hdc, rc.right, 0);
 312
 313         SelectObject(hdc, GetStockObject(WHITE_PEN));
 314         MoveToEx(hdc, 0, 1, NULL);
 315         LineTo(hdc, rc.right, 1);
 316     }
 317
 318     EndPaint(hWnd, &ps);
 319
 320     return 0;
 321 }
 322
 323 static void ResizeTabChild(HHInfo *info, int tab)
 324 {
 325     HWND hwnd = info->tabs[tab].hwnd;
 326     INT width, height;
 327     RECT rect, tabrc;
 328     DWORD cnt;
 329
 330     GetClientRect(info->WinType.hwndNavigation, &rect);
 331     SendMessageW(info->hwndTabCtrl, TCM_GETITEMRECT, 0, (LPARAM)&tabrc);
 332     cnt = SendMessageW(info->hwndTabCtrl, TCM_GETROWCOUNT, 0, 0);
 333
 334     rect.left = TAB_MARGIN;
 335     rect.top = TAB_TOP_PADDING + cnt*(tabrc.bottom-tabrc.top) + TAB_MARGIN;
 336     rect.right -= TAB_RIGHT_PADDING + TAB_MARGIN;
 337     rect.bottom -= TAB_MARGIN;
 338     width = rect.right-rect.left;
 339     height = rect.bottom-rect.top;
 340
 341     SetWindowPos(hwnd, NULL, rect.left, rect.top, width, height,
 342                  SWP_NOZORDER | SWP_NOACTIVATE);
 343
 344     /* Resize the tab widget column to perfectly fit the tab window and
 345      * leave sufficient space for the scroll widget.
 346      */
 347     switch (tab)
 348     {
 349     case TAB_INDEX: {
 350         int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
 351         int border_width = GetSystemMetrics(SM_CXBORDER);
 352         int edge_width = GetSystemMetrics(SM_CXEDGE);
 353
 354         SendMessageW(info->tabs[TAB_INDEX].hwnd, LVM_SETCOLUMNWIDTH, 0,
 355                      width-scroll_width-2*border_width-2*edge_width);
 356
 357         break;
 358     }
 359     }
 360 }
 361
 362 static LRESULT Child_OnSize(HWND hwnd)
 363 {
 364     HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
 365     RECT rect;
 366
 367     if(!info || hwnd != info->WinType.hwndNavigation)
 368         return 0;
 369
 370     GetClientRect(hwnd, &rect);
 371     SetWindowPos(info->hwndTabCtrl, HWND_TOP, 0, 0,
 372                  rect.right - TAB_RIGHT_PADDING,
 373                  rect.bottom - TAB_TOP_PADDING, SWP_NOMOVE);
 374
 375     ResizeTabChild(info, TAB_CONTENTS);
 376     ResizeTabChild(info, TAB_INDEX);
 377     return 0;
 378 }
 379
 380 static LRESULT OnTabChange(HWND hwnd)
 381 {
 382     HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
 383
 384     TRACE("%p\n", hwnd);
 385
 386     if (!info)
 387         return 0;
 388
 389     if(info->tabs[info->current_tab].hwnd)
 390         ShowWindow(info->tabs[info->current_tab].hwnd, SW_HIDE);
 391
 392     info->current_tab = SendMessageW(info->hwndTabCtrl, TCM_GETCURSEL, 0, 0);
 393
 394     if(info->tabs[info->current_tab].hwnd)
 395         ShowWindow(info->tabs[info->current_tab].hwnd, SW_SHOW);
 396
 397     return 0;
 398 }
 399
 400 static LRESULT OnTopicChange(HWND hwnd, void *user_data)
 401 {
 402     HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, GWLP_USERDATA);
 403     LPCWSTR chmfile = NULL, name = NULL, local = NULL;
 404     ContentItem *citer;
 405     IndexItem *iiter;
 406
 407     if(!user_data || !info)
 408         return 0;
 409
 410     switch (info->current_tab)
 411     {
 412     case TAB_CONTENTS:
 413         citer = (ContentItem *) user_data;
 414         name = citer->name;
 415         local = citer->local;
 416         while(citer) {
 417             if(citer->merge.chm_file) {
 418                 chmfile = citer->merge.chm_file;
 419                 break;
 420             }
 421             citer = citer->parent;
 422         }
 423         chmfile = citer->merge.chm_file;
 424         break;
 425     case TAB_INDEX:
 426         iiter = (IndexItem *) user_data;
 427         if(iiter->nItems == 0) {
 428             FIXME("No entries for this item!\n");
 429             return 0;
 430         }
 431         if(iiter->nItems > 1) {
 432             FIXME("Support for sub-topics not implemented.\n");
 433             return 0;
 434         }
 435         name = iiter->items[0].name;
 436         local = iiter->items[0].local;
 437         chmfile = iiter->merge.chm_file;
 438         break;
 439     default:
 440         FIXME("Unhandled operation for this tab!\n");
 441         return 0;
 442     }
 443
 444     TRACE("name %s loal %s\n", debugstr_w(name), debugstr_w(local));
 445
 446     NavigateToChm(info, chmfile, local);
 447     return 0;
 448 }
 449
 450 static LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 451 {
 452     switch (message)
 453     {
 454     case WM_PAINT:
 455         return Child_OnPaint(hWnd);
 456     case WM_SIZE:
 457         return Child_OnSize(hWnd);
 458     case WM_NOTIFY: {
 459         NMHDR *nmhdr = (NMHDR*)lParam;
 460         switch(nmhdr->code) {
 461         case TCN_SELCHANGE:
 462             return OnTabChange(hWnd);
 463         case TVN_SELCHANGEDW:
 464             return OnTopicChange(hWnd, (void*)((NMTREEVIEWW *)lParam)->itemNew.lParam);
 465         case NM_DBLCLK:
 466             return OnTopicChange(hWnd, (void*)((NMITEMACTIVATE *)lParam)->lParam);
 467         }
 468         break;
 469     }
 470     default:
 471         return DefWindowProcW(hWnd, message, wParam, lParam);
 472     }
 473
 474     return 0;
 475 }
 476
 477 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
 478 {
 479     WNDCLASSEXW wcex;
 480
 481     wcex.cbSize         = sizeof(WNDCLASSEXW);
 482     wcex.style          = 0;
 483     wcex.lpfnWndProc    = Child_WndProc;
 484     wcex.cbClsExtra     = 0;
 485     wcex.cbWndExtra     = 0;
 486     wcex.hInstance      = hhctrl_hinstance;
 487     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 488     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 489     wcex.hbrBackground  = (HBRUSH)(COLOR_BTNFACE + 1);
 490     wcex.lpszMenuName   = NULL;
 491     wcex.lpszClassName  = szChildClass;
 492     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 493
 494     RegisterClassExW(&wcex);
 495 }
 496
 497 /* Toolbar */
 498
 499 #define ICON_SIZE   20
 500
 501 static void TB_OnClick(HWND hWnd, DWORD dwID)
 502 {
 503     HHInfo *info = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 504
 505     switch (dwID)
 506     {
 507         case IDTB_STOP:
 508             DoPageAction(info, WB_STOP);
 509             break;
 510         case IDTB_REFRESH:
 511             DoPageAction(info, WB_REFRESH);
 512             break;
 513         case IDTB_BACK:
 514             DoPageAction(info, WB_GOBACK);
 515             break;
 516         case IDTB_HOME:
 517             NavigateToChm(info, info->pCHMInfo->szFile, info->WinType.pszHome);
 518             break;
 519         case IDTB_FORWARD:
 520             DoPageAction(info, WB_GOFORWARD);
 521             break;
 522         case IDTB_EXPAND:
 523         case IDTB_CONTRACT:
 524         case IDTB_SYNC:
 525         case IDTB_PRINT:
 526         case IDTB_OPTIONS:
 527         case IDTB_BROWSE_FWD:
 528         case IDTB_BROWSE_BACK:
 529         case IDTB_JUMP1:
 530         case IDTB_JUMP2:
 531         case IDTB_CUSTOMIZE:
 532         case IDTB_ZOOM:
 533         case IDTB_TOC_NEXT:
 534         case IDTB_TOC_PREV:
 535             break;
 536     }
 537 }
 538
 539 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID)
 540 {
 541     /* FIXME: Load the correct button bitmaps */
 542     pButtons[dwIndex].iBitmap = STD_PRINT;
 543     pButtons[dwIndex].idCommand = dwID;
 544     pButtons[dwIndex].fsState = TBSTATE_ENABLED;
 545     pButtons[dwIndex].fsStyle = BTNS_BUTTON;
 546     pButtons[dwIndex].dwData = 0;
 547     pButtons[dwIndex].iString = 0;
 548 }
 549
 550 static void TB_AddButtonsFromFlags(TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
 551 {
 552     *pdwNumButtons = 0;
 553
 554     if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
 555         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND);
 556
 557     if (dwButtonFlags & HHWIN_BUTTON_BACK)
 558         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK);
 559
 560     if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
 561         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD);
 562
 563     if (dwButtonFlags & HHWIN_BUTTON_STOP)
 564         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP);
 565
 566     if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
 567         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH);
 568
 569     if (dwButtonFlags & HHWIN_BUTTON_HOME)
 570         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME);
 571
 572     if (dwButtonFlags & HHWIN_BUTTON_SYNC)
 573         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC);
 574
 575     if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
 576         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS);
 577
 578     if (dwButtonFlags & HHWIN_BUTTON_PRINT)
 579         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT);
 580
 581     if (dwButtonFlags & HHWIN_BUTTON_JUMP1)
 582         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_JUMP1);
 583
 584     if (dwButtonFlags & HHWIN_BUTTON_JUMP2)
 585         TB_AddButton(pButtons,(*pdwNumButtons)++, IDTB_JUMP2);
 586
 587     if (dwButtonFlags & HHWIN_BUTTON_ZOOM)
 588         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_ZOOM);
 589
 590     if (dwButtonFlags & HHWIN_BUTTON_TOC_NEXT)
 591         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_NEXT);
 592
 593     if (dwButtonFlags & HHWIN_BUTTON_TOC_PREV)
 594         TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_TOC_PREV);
 595 }
 596
 597 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
 598 {
 599     HWND hToolbar;
 600     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 601     DWORD toolbarFlags;
 602     TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
 603     TBADDBITMAP tbAB;
 604     DWORD dwStyles, dwExStyles;
 605     DWORD dwNumButtons, dwIndex;
 606
 607     if (pHHInfo->WinType.fsWinProperties & HHWIN_PARAM_TB_FLAGS)
 608         toolbarFlags = pHHInfo->WinType.fsToolBarFlags;
 609     else
 610         toolbarFlags = HHWIN_DEF_BUTTONS;
 611
 612     TB_AddButtonsFromFlags(buttons, toolbarFlags, &dwNumButtons);
 613
 614     dwStyles = WS_CHILDWINDOW | WS_VISIBLE | TBSTYLE_FLAT |
 615                TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
 616     dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 617
 618     hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
 619                                0, 0, 0, 0, hwndParent, NULL,
 620                                hhctrl_hinstance, NULL);
 621     if (!hToolbar)
 622         return FALSE;
 623
 624     SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
 625     SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 626     SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
 627
 628     /* FIXME: Load correct icons for all buttons */
 629     tbAB.hInst = HINST_COMMCTRL;
 630     tbAB.nID = IDB_STD_LARGE_COLOR;
 631     SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
 632
 633     for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
 634     {
 635         LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
 636         DWORD dwLen = strlenW(szBuf);
 637         szBuf[dwLen + 1] = 0; /* Double-null terminate */
 638
 639         buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
 640         heap_free(szBuf);
 641     }
 642
 643     SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)buttons);
 644     SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
 645     ShowWindow(hToolbar, SW_SHOW);
 646
 647     pHHInfo->WinType.hwndToolBar = hToolbar;
 648     return TRUE;
 649 }
 650
 651 /* Navigation Pane */
 652
 653 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
 654 {
 655     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 656     HWND hwndToolbar = pHHInfo->WinType.hwndToolBar;
 657     RECT rectWND, rectTB;
 658
 659     GetClientRect(hwndParent, &rectWND);
 660     GetClientRect(hwndToolbar, &rectTB);
 661
 662     rc->left = 0;
 663     rc->top = rectTB.bottom;
 664     rc->bottom = rectWND.bottom - rectTB.bottom;
 665
 666     if (!(pHHInfo->WinType.fsValidMembers & HHWIN_PARAM_NAV_WIDTH) &&
 667           pHHInfo->WinType.iNavWidth == 0)
 668     {
 669         pHHInfo->WinType.iNavWidth = WINTYPE_DEFAULT_NAVWIDTH;
 670     }
 671
 672     rc->right = pHHInfo->WinType.iNavWidth;
 673 }
 674
 675 static DWORD NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD index)
 676 {
 677     TCITEMW tie;
 678     LPWSTR tabText = HH_LoadString(index);
 679     DWORD ret;
 680
 681     tie.mask = TCIF_TEXT;
 682     tie.pszText = tabText;
 683
 684     ret = SendMessageW( hwndTabCtrl, TCM_INSERTITEMW, index, (LPARAM)&tie );
 685
 686     heap_free(tabText);
 687     return ret;
 688 }
 689
 690 static BOOL HH_AddNavigationPane(HHInfo *info)
 691 {
 692     HWND hWnd, hwndTabCtrl;
 693     HWND hwndParent = info->WinType.hwndHelp;
 694     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE;
 695     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
 696     RECT rc;
 697
 698     NP_GetNavigationRect(info, &rc);
 699
 700     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 701                            rc.left, rc.top, rc.right, rc.bottom,
 702                            hwndParent, NULL, hhctrl_hinstance, NULL);
 703     if (!hWnd)
 704         return FALSE;
 705
 706     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)info);
 707
 708     hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles,
 709                                   0, TAB_TOP_PADDING,
 710                                   rc.right - TAB_RIGHT_PADDING,
 711                                   rc.bottom - TAB_TOP_PADDING,
 712                                   hWnd, NULL, hhctrl_hinstance, NULL);
 713     if (!hwndTabCtrl)
 714         return FALSE;
 715
 716     if (*info->WinType.pszToc)
 717         info->tabs[TAB_CONTENTS].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_CONTENTS);
 718
 719     if (*info->WinType.pszIndex)
 720         info->tabs[TAB_INDEX].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_INDEX);
 721
 722     if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_SEARCH)
 723         info->tabs[TAB_SEARCH].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_SEARCH);
 724
 725     if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
 726         info->tabs[TAB_FAVORITES].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_FAVORITES);
 727
 728     SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)info->hFont, TRUE);
 729
 730     info->hwndTabCtrl = hwndTabCtrl;
 731     info->WinType.hwndNavigation = hWnd;
 732     return TRUE;
 733 }
 734
 735 /* HTML Pane */
 736
 737 static void HP_GetHTMLRect(HHInfo *info, RECT *rc)
 738 {
 739     RECT rectTB, rectWND, rectNP, rectSB;
 740
 741     GetClientRect(info->WinType.hwndHelp, &rectWND);
 742     GetClientRect(info->WinType.hwndToolBar, &rectTB);
 743     GetClientRect(info->WinType.hwndNavigation, &rectNP);
 744     GetClientRect(info->hwndSizeBar, &rectSB);
 745
 746     rc->left = rectNP.right + rectSB.right;
 747     rc->top = rectTB.bottom;
 748     rc->right = rectWND.right - rc->left;
 749     rc->bottom = rectWND.bottom - rectTB.bottom;
 750 }
 751
 752 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
 753 {
 754     HWND hWnd;
 755     HWND hwndParent = pHHInfo->WinType.hwndHelp;
 756     DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
 757     DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
 758     RECT rc;
 759
 760     HP_GetHTMLRect(pHHInfo, &rc);
 761
 762     hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
 763                            rc.left, rc.top, rc.right, rc.bottom,
 764                            hwndParent, NULL, hhctrl_hinstance, NULL);
 765     if (!hWnd)
 766         return FALSE;
 767
 768     if (!InitWebBrowser(pHHInfo, hWnd))
 769         return FALSE;
 770
 771     /* store the pointer to the HH info struct */
 772     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)pHHInfo);
 773
 774     ShowWindow(hWnd, SW_SHOW);
 775     UpdateWindow(hWnd);
 776
 777     pHHInfo->WinType.hwndHTML = hWnd;
 778     return TRUE;
 779 }
 780
 781 static BOOL AddContentTab(HHInfo *info)
 782 {
 783     if(info->tabs[TAB_CONTENTS].id == -1)
 784         return TRUE; /* No "Contents" tab */
 785     info->tabs[TAB_CONTENTS].hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, WC_TREEVIEWW,
 786            szEmpty, WS_CHILD | WS_BORDER | 0x25, 50, 50, 100, 100,
 787            info->WinType.hwndNavigation, NULL, hhctrl_hinstance, NULL);
 788     if(!info->tabs[TAB_CONTENTS].hwnd) {
 789         ERR("Could not create treeview control\n");
 790         return FALSE;
 791     }
 792
 793     ResizeTabChild(info, TAB_CONTENTS);
 794     ShowWindow(info->tabs[TAB_CONTENTS].hwnd, SW_SHOW);
 795
 796     return TRUE;
 797 }
 798
 799 static BOOL AddIndexTab(HHInfo *info)
 800 {
 801     char hidden_column[] = "Column";
 802     LVCOLUMNA lvc;
 803
 804     if(info->tabs[TAB_INDEX].id == -1)
 805         return TRUE; /* No "Index" tab */
 806     info->tabs[TAB_INDEX].hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
 807            szEmpty, WS_CHILD | WS_BORDER | LVS_SINGLESEL | LVS_REPORT | LVS_NOCOLUMNHEADER, 50, 50, 100, 100,
 808            info->WinType.hwndNavigation, NULL, hhctrl_hinstance, NULL);
 809     if(!info->tabs[TAB_INDEX].hwnd) {
 810         ERR("Could not create ListView control\n");
 811         return FALSE;
 812     }
 813     memset(&lvc, 0, sizeof(lvc));
 814     lvc.mask = LVCF_TEXT;
 815     lvc.pszText = hidden_column;
 816     if(SendMessageW(info->tabs[TAB_INDEX].hwnd, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
 817     {
 818         ERR("Could not create ListView column\n");
 819         return FALSE;
 820     }
 821
 822     ResizeTabChild(info, TAB_INDEX);
 823     ShowWindow(info->tabs[TAB_INDEX].hwnd, SW_HIDE);
 824
 825     return TRUE;
 826 }
 827
 828 /* Viewer Window */
 829
 830 static LRESULT Help_OnSize(HWND hWnd)
 831 {
 832     HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
 833     DWORD dwSize;
 834     RECT rc;
 835
 836     if (!pHHInfo)
 837         return 0;
 838
 839     NP_GetNavigationRect(pHHInfo, &rc);
 840     SetWindowPos(pHHInfo->WinType.hwndNavigation, HWND_TOP, 0, 0,
 841                  rc.right, rc.bottom, SWP_NOMOVE);
 842
 843     SB_GetSizeBarRect(pHHInfo, &rc);
 844     SetWindowPos(pHHInfo->hwndSizeBar, HWND_TOP, rc.left, rc.top,
 845                  rc.right, rc.bottom, SWP_SHOWWINDOW);
 846
 847     HP_GetHTMLRect(pHHInfo, &rc);
 848     SetWindowPos(pHHInfo->WinType.hwndHTML, HWND_TOP, rc.left, rc.top,
 849                  rc.right, rc.bottom, SWP_SHOWWINDOW);
 850
 851     /* Resize browser window taking the frame size into account */
 852     dwSize = GetSystemMetrics(SM_CXFRAME);
 853     ResizeWebBrowser(pHHInfo, rc.right - dwSize, rc.bottom - dwSize);
 854
 855     return 0;
 856 }
 857
 858 static LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 859 {
 860     switch (message)
 861     {
 862     case WM_COMMAND:
 863         if (HIWORD(wParam) == BN_CLICKED)
 864             TB_OnClick(hWnd, LOWORD(wParam));
 865         break;
 866     case WM_SIZE:
 867         return Help_OnSize(hWnd);
 868     case WM_CLOSE:
 869         ReleaseHelpViewer((HHInfo *)GetWindowLongPtrW(hWnd, GWLP_USERDATA));
 870         return 0;
 871     case WM_DESTROY:
 872         if(hh_process)
 873             PostQuitMessage(0);
 874         break;
 875
 876     default:
 877         return DefWindowProcW(hWnd, message, wParam, lParam);
 878     }
 879
 880     return 0;
 881 }
 882
 883 static BOOL HH_CreateHelpWindow(HHInfo *info)
 884 {
 885     HWND hWnd;
 886     RECT winPos = info->WinType.rcWindowPos;
 887     WNDCLASSEXW wcex;
 888     DWORD dwStyles, dwExStyles;
 889     DWORD x, y, width, height;
 890
 891     static const WCHAR windowClassW[] = {
 892         'H','H',' ', 'P','a','r','e','n','t',0
 893     };
 894
 895     wcex.cbSize         = sizeof(WNDCLASSEXW);
 896     wcex.style          = CS_HREDRAW | CS_VREDRAW;
 897     wcex.lpfnWndProc    = Help_WndProc;
 898     wcex.cbClsExtra     = 0;
 899     wcex.cbWndExtra     = 0;
 900     wcex.hInstance      = hhctrl_hinstance;
 901     wcex.hIcon          = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 902     wcex.hCursor        = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
 903     wcex.hbrBackground  = (HBRUSH)(COLOR_MENU + 1);
 904     wcex.lpszMenuName   = NULL;
 905     wcex.lpszClassName  = windowClassW;
 906     wcex.hIconSm        = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
 907
 908     RegisterClassExW(&wcex);
 909
 910     /* Read in window parameters if available */
 911     if (info->WinType.fsValidMembers & HHWIN_PARAM_STYLES)
 912         dwStyles = info->WinType.dwStyles | WS_OVERLAPPEDWINDOW;
 913     else
 914         dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
 915                    WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
 916
 917     if (info->WinType.fsValidMembers & HHWIN_PARAM_EXSTYLES)
 918         dwExStyles = info->WinType.dwExStyles;
 919     else
 920         dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
 921                      WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
 922
 923     if (info->WinType.fsValidMembers & HHWIN_PARAM_RECT)
 924     {
 925         x = winPos.left;
 926         y = winPos.top;
 927         width = winPos.right - x;
 928         height = winPos.bottom - y;
 929     }
 930     else
 931     {
 932         x = WINTYPE_DEFAULT_X;
 933         y = WINTYPE_DEFAULT_Y;
 934         width = WINTYPE_DEFAULT_WIDTH;
 935         height = WINTYPE_DEFAULT_HEIGHT;
 936     }
 937
 938     hWnd = CreateWindowExW(dwExStyles, windowClassW, info->WinType.pszCaption,
 939                            dwStyles, x, y, width, height, NULL, NULL, hhctrl_hinstance, NULL);
 940     if (!hWnd)
 941         return FALSE;
 942
 943     ShowWindow(hWnd, SW_SHOW);
 944     UpdateWindow(hWnd);
 945
 946     /* store the pointer to the HH info struct */
 947     SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)info);
 948
 949     info->WinType.hwndHelp = hWnd;
 950     return TRUE;
 951 }
 952
 953 static void HH_CreateFont(HHInfo *pHHInfo)
 954 {
 955     LOGFONTW lf;
 956
 957     GetObjectW(GetStockObject(ANSI_VAR_FONT), sizeof(LOGFONTW), &lf);
 958     lf.lfWeight = FW_NORMAL;
 959     lf.lfItalic = FALSE;
 960     lf.lfUnderline = FALSE;
 961
 962     pHHInfo->hFont = CreateFontIndirectW(&lf);
 963 }
 964
 965 static void HH_InitRequiredControls(DWORD dwControls)
 966 {
 967     INITCOMMONCONTROLSEX icex;
 968
 969     icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
 970     icex.dwICC = dwControls;
 971     InitCommonControlsEx(&icex);
 972 }
 973
 974 /* Creates the whole package */
 975 static BOOL CreateViewer(HHInfo *pHHInfo)
 976 {
 977     HH_CreateFont(pHHInfo);
 978
 979     if (!HH_CreateHelpWindow(pHHInfo))
 980         return FALSE;
 981
 982     HH_InitRequiredControls(ICC_BAR_CLASSES);
 983
 984     if (!HH_AddToolbar(pHHInfo))
 985         return FALSE;
 986
 987     HH_RegisterChildWndClass(pHHInfo);
 988
 989     if (!HH_AddNavigationPane(pHHInfo))
 990         return FALSE;
 991
 992     HH_RegisterSizeBarClass(pHHInfo);
 993
 994     if (!HH_AddSizeBar(pHHInfo))
 995         return FALSE;
 996
 997     if (!HH_AddHTMLPane(pHHInfo))
 998         return FALSE;
 999
1000     if (!AddContentTab(pHHInfo))
1001         return FALSE;
1002
1003     if (!AddIndexTab(pHHInfo))
1004         return FALSE;
1005
1006     InitContent(pHHInfo);
1007     InitIndex(pHHInfo);
1008
1009     return TRUE;
1010 }
1011
1012 void ReleaseHelpViewer(HHInfo *info)
1013 {
1014     TRACE("(%p)\n", info);
1015
1016     if (!info)
1017         return;
1018
1019     /* Free allocated strings */
1020     heap_free(info->pszType);
1021     heap_free(info->pszCaption);
1022     heap_free(info->pszToc);
1023     heap_free(info->pszIndex);
1024     heap_free(info->pszFile);
1025     heap_free(info->pszHome);
1026     heap_free(info->pszJump1);
1027     heap_free(info->pszJump2);
1028     heap_free(info->pszUrlJump1);
1029     heap_free(info->pszUrlJump2);
1030
1031     if (info->pCHMInfo)
1032         CloseCHM(info->pCHMInfo);
1033
1034     ReleaseWebBrowser(info);
1035     ReleaseContent(info);
1036     ReleaseIndex(info);
1037
1038     if(info->WinType.hwndHelp)
1039         DestroyWindow(info->WinType.hwndHelp);
1040
1041     heap_free(info);
1042     OleUninitialize();
1043 }
1044
1045 HHInfo *CreateHelpViewer(LPCWSTR filename)
1046 {
1047     HHInfo *info = heap_alloc_zero(sizeof(HHInfo));
1048     int i;
1049
1050     /* Set the invalid tab ID (-1) as the default value for all
1051      * of the tabs, this matches a failed TCM_INSERTITEM call.
1052      */
1053     for(i=0;i<sizeof(info->tabs)/sizeof(HHTab);i++)
1054         info->tabs[i].id = -1;
1055
1056     OleInitialize(NULL);
1057
1058     info->pCHMInfo = OpenCHM(filename);
1059     if(!info->pCHMInfo) {
1060         ReleaseHelpViewer(info);
1061         return NULL;
1062     }
1063
1064     if (!LoadWinTypeFromCHM(info)) {
1065         ReleaseHelpViewer(info);
1066         return NULL;
1067     }
1068
1069     if(!CreateViewer(info)) {
1070         ReleaseHelpViewer(info);
1071         return NULL;
1072     }
1073
1074     return info;
1075 }