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msi: Stub Migrate10CachedPackagesW.
[wine/multimedia.git] / dlls / hhctrl.ocx / help.c
blobed5528c610d1880c2fd3678046caeea47ab43ea2
1 /*
2 * Help Viewer Implementation
3 *
4 * Copyright 2005 James Hawkins
5 * Copyright 2007 Jacek Caban for CodeWeavers
6 * Copyright 2011 Owen Rudge for CodeWeavers
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "hhctrl.h"
24
25 #include "wingdi.h"
26 #include "commctrl.h"
27 #include "wininet.h"
28
29 #include "wine/debug.h"
30
31 #include "resource.h"
32
33 WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
34
35 static LRESULT Help_OnSize(HWND hWnd);
36 static void ExpandContract(HHInfo *pHHInfo);
37
38 /* Window type defaults */
39
40 #define WINTYPE_DEFAULT_X 280
41 #define WINTYPE_DEFAULT_Y 100
42 #define WINTYPE_DEFAULT_WIDTH 740
43 #define WINTYPE_DEFAULT_HEIGHT 640
44 #define WINTYPE_DEFAULT_NAVWIDTH 250
45
46 #define TAB_TOP_PADDING 8
47 #define TAB_RIGHT_PADDING 4
48 #define TAB_MARGIN 8
49 #define EDIT_HEIGHT 20
50
51 struct list window_list = LIST_INIT(window_list);
52
53 static const WCHAR szEmpty[] = {0};
54
55 struct html_encoded_symbol {
56 const char *html_code;
57 char ansi_symbol;
58 };
59
60 /*
61 * Table mapping the conversion between HTML encoded symbols and their ANSI code page equivalent.
62 * Note: Add additional entries in proper alphabetical order (a binary search is used on this table).
63 */
64 struct html_encoded_symbol html_encoded_symbols[] =
65 {
66 {"AElig", 0xC6},
67 {"Aacute", 0xC1},
68 {"Acirc", 0xC2},
69 {"Agrave", 0xC0},
70 {"Aring", 0xC5},
71 {"Atilde", 0xC3},
72 {"Auml", 0xC4},
73 {"Ccedil", 0xC7},
74 {"ETH", 0xD0},
75 {"Eacute", 0xC9},
76 {"Ecirc", 0xCA},
77 {"Egrave", 0xC8},
78 {"Euml", 0xCB},
79 {"Iacute", 0xCD},
80 {"Icirc", 0xCE},
81 {"Igrave", 0xCC},
82 {"Iuml", 0xCF},
83 {"Ntilde", 0xD1},
84 {"Oacute", 0xD3},
85 {"Ocirc", 0xD4},
86 {"Ograve", 0xD2},
87 {"Oslash", 0xD8},
88 {"Otilde", 0xD5},
89 {"Ouml", 0xD6},
90 {"THORN", 0xDE},
91 {"Uacute", 0xDA},
92 {"Ucirc", 0xDB},
93 {"Ugrave", 0xD9},
94 {"Uuml", 0xDC},
95 {"Yacute", 0xDD},
96 {"aacute", 0xE1},
97 {"acirc", 0xE2},
98 {"acute", 0xB4},
99 {"aelig", 0xE6},
100 {"agrave", 0xE0},
101 {"amp", '&'},
102 {"aring", 0xE5},
103 {"atilde", 0xE3},
104 {"auml", 0xE4},
105 {"brvbar", 0xA6},
106 {"ccedil", 0xE7},
107 {"cedil", 0xB8},
108 {"cent", 0xA2},
109 {"copy", 0xA9},
110 {"curren", 0xA4},
111 {"deg", 0xB0},
112 {"divide", 0xF7},
113 {"eacute", 0xE9},
114 {"ecirc", 0xEA},
115 {"egrave", 0xE8},
116 {"eth", 0xF0},
117 {"euml", 0xEB},
118 {"frac12", 0xBD},
119 {"frac14", 0xBC},
120 {"frac34", 0xBE},
121 {"gt", '>'},
122 {"iacute", 0xED},
123 {"icirc", 0xEE},
124 {"iexcl", 0xA1},
125 {"igrave", 0xEC},
126 {"iquest", 0xBF},
127 {"iuml", 0xEF},
128 {"laquo", 0xAB},
129 {"lt", '<'},
130 {"macr", 0xAF},
131 {"micro", 0xB5},
132 {"middot", 0xB7},
133 {"nbsp", ' '},
134 {"not", 0xAC},
135 {"ntilde", 0xF1},
136 {"oacute", 0xF3},
137 {"ocirc", 0xF4},
138 {"ograve", 0xF2},
139 {"ordf", 0xAA},
140 {"ordm", 0xBA},
141 {"oslash", 0xF8},
142 {"otilde", 0xF5},
143 {"ouml", 0xF6},
144 {"para", 0xB6},
145 {"plusmn", 0xB1},
146 {"pound", 0xA3},
147 {"quot", '"'},
148 {"raquo", 0xBB},
149 {"reg", 0xAE},
150 {"sect", 0xA7},
151 {"shy", 0xAD},
152 {"sup1", 0xB9},
153 {"sup2", 0xB2},
154 {"sup3", 0xB3},
155 {"szlig", 0xDF},
156 {"thorn", 0xFE},
157 {"times", 0xD7},
158 {"uacute", 0xFA},
159 {"ucirc", 0xFB},
160 {"ugrave", 0xF9},
161 {"uml", 0xA8},
162 {"uuml", 0xFC},
163 {"yacute", 0xFD},
164 {"yen", 0xA5},
165 {"yuml", 0xFF}
166 };
167
168 /* Loads a string from the resource file */
169 static LPWSTR HH_LoadString(DWORD dwID)
170 {
171 LPWSTR string = NULL;
172 LPCWSTR stringresource;
173 int iSize;
174
175 iSize = LoadStringW(hhctrl_hinstance, dwID, (LPWSTR)&stringresource, 0);
176
177 string = heap_alloc((iSize + 2) * sizeof(WCHAR)); /* some strings (tab text) needs double-null termination */
178 memcpy(string, stringresource, iSize*sizeof(WCHAR));
179 string[iSize] = 0;
180
181 return string;
182 }
183
184 static HRESULT navigate_url(HHInfo *info, LPCWSTR surl)
185 {
186 VARIANT url;
187 HRESULT hres;
188
189 TRACE("%s\n", debugstr_w(surl));
190
191 V_VT(&url) = VT_BSTR;
192 V_BSTR(&url) = SysAllocString(surl);
193
194 hres = IWebBrowser2_Navigate2(info->web_browser, &url, 0, 0, 0, 0);
195
196 VariantClear(&url);
197
198 if(FAILED(hres))
199 TRACE("Navigation failed: %08x\n", hres);
200
201 return hres;
202 }
203
204 BOOL NavigateToUrl(HHInfo *info, LPCWSTR surl)
205 {
206 ChmPath chm_path;
207 BOOL ret;
208 HRESULT hres;
209
210 static const WCHAR url_indicator[] = {':', '/', '/', 0};
211
212 TRACE("%s\n", debugstr_w(surl));
213
214 if (strstrW(surl, url_indicator)) {
215 hres = navigate_url(info, surl);
216 if(SUCCEEDED(hres))
217 return TRUE;
218 } /* look up in chm if it doesn't look like a full url */
219
220 SetChmPath(&chm_path, info->pCHMInfo->szFile, surl);
221 ret = NavigateToChm(info, chm_path.chm_file, chm_path.chm_index);
222
223 heap_free(chm_path.chm_file);
224 heap_free(chm_path.chm_index);
225
226 return ret;
227 }
228
229 static BOOL AppendFullPathURL(LPCWSTR file, LPWSTR buf, LPCWSTR index)
230 {
231 static const WCHAR url_format[] =
232 {'m','k',':','@','M','S','I','T','S','t','o','r','e',':','%','s',':',':','%','s','%','s',0};
233 static const WCHAR slash[] = {'/',0};
234 static const WCHAR empty[] = {0};
235 WCHAR full_path[MAX_PATH];
236
237 TRACE("%s %p %s\n", debugstr_w(file), buf, debugstr_w(index));
238
239 if(!GetFullPathNameW(file, sizeof(full_path)/sizeof(full_path[0]), full_path, NULL)) {
240 WARN("GetFullPathName failed: %u\n", GetLastError());
241 return FALSE;
242 }
243
244 wsprintfW(buf, url_format, full_path, (!index || index[0] == '/') ? empty : slash, index);
245 return TRUE;
246 }
247
248 BOOL NavigateToChm(HHInfo *info, LPCWSTR file, LPCWSTR index)
249 {
250 WCHAR buf[INTERNET_MAX_URL_LENGTH];
251 LPWSTR ptr;
252
253 TRACE("%p %s %s\n", info, debugstr_w(file), debugstr_w(index));
254
255 if ((!info->web_browser) || !AppendFullPathURL(file, buf, index))
256 return FALSE;
257
258 /* FIXME: HACK */
259 if((ptr = strchrW(buf, '#')))
260 *ptr = 0;
261
262 return SUCCEEDED(navigate_url(info, buf));
263 }
264
265 static void DoSync(HHInfo *info)
266 {
267 WCHAR buf[INTERNET_MAX_URL_LENGTH];
268 HRESULT hres;
269 DWORD len;
270 BSTR url;
271
272 hres = IWebBrowser2_get_LocationURL(info->web_browser, &url);
273
274 if (FAILED(hres))
275 {
276 WARN("get_LocationURL failed: %08x\n", hres);
277 return;
278 }
279
280 /* If we're not currently viewing a page in the active .chm file, abort */
281 if ((!AppendFullPathURL(info->pszFile, buf, NULL)) || (len = lstrlenW(buf) > lstrlenW(url)))
282 {
283 SysFreeString(url);
284 return;
285 }
286
287 if (lstrcmpiW(buf, url) > 0)
288 {
289 static const WCHAR delimW[] = {':',':','/',0};
290 const WCHAR *index;
291
292 index = strstrW(url, delimW);
293
294 if (index)
295 ActivateContentTopic(info->tabs[TAB_CONTENTS].hwnd, index + 3, info->content); /* skip over ::/ */
296 }
297
298 SysFreeString(url);
299 }
300
301 /* Size Bar */
302
303 #define SIZEBAR_WIDTH 4
304
305 static const WCHAR szSizeBarClass[] = {
306 'H','H',' ','S','i','z','e','B','a','r',0
307 };
308
309 /* Draw the SizeBar */
310 static void SB_OnPaint(HWND hWnd)
311 {
312 PAINTSTRUCT ps;
313 HDC hdc;
314 RECT rc;
315
316 hdc = BeginPaint(hWnd, &ps);
317
318 GetClientRect(hWnd, &rc);
319
320 /* dark frame */
321 rc.right += 1;
322 rc.bottom -= 1;
323 FrameRect(hdc, &rc, GetStockObject(GRAY_BRUSH));
324
325 /* white highlight */
326 SelectObject(hdc, GetStockObject(WHITE_PEN));
327 MoveToEx(hdc, rc.right, 1, NULL);
328 LineTo(hdc, 1, 1);
329 LineTo(hdc, 1, rc.bottom - 1);
330
331
332 MoveToEx(hdc, 0, rc.bottom, NULL);
333 LineTo(hdc, rc.right, rc.bottom);
334
335 EndPaint(hWnd, &ps);
336 }
337
338 static void SB_OnLButtonDown(HWND hWnd, WPARAM wParam, LPARAM lParam)
339 {
340 SetCapture(hWnd);
341 }
342
343 static void SB_OnLButtonUp(HWND hWnd, WPARAM wParam, LPARAM lParam)
344 {
345 HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, 0);
346 POINT pt;
347
348 pt.x = (short)LOWORD(lParam);
349 pt.y = (short)HIWORD(lParam);
350
351 /* update the window sizes */
352 pHHInfo->WinType.iNavWidth += pt.x;
353 Help_OnSize(hWnd);
354
355 ReleaseCapture();
356 }
357
358 static void SB_OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM lParam)
359 {
360 /* ignore WM_MOUSEMOVE if not dragging the SizeBar */
361 if (!(wParam & MK_LBUTTON))
362 return;
363 }
364
365 static LRESULT CALLBACK SizeBar_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
366 {
367 switch (message)
368 {
369 case WM_LBUTTONDOWN:
370 SB_OnLButtonDown(hWnd, wParam, lParam);
371 break;
372 case WM_LBUTTONUP:
373 SB_OnLButtonUp(hWnd, wParam, lParam);
374 break;
375 case WM_MOUSEMOVE:
376 SB_OnMouseMove(hWnd, wParam, lParam);
377 break;
378 case WM_PAINT:
379 SB_OnPaint(hWnd);
380 break;
381 default:
382 return DefWindowProcW(hWnd, message, wParam, lParam);
383 }
384
385 return 0;
386 }
387
388 static void HH_RegisterSizeBarClass(HHInfo *pHHInfo)
389 {
390 WNDCLASSEXW wcex;
391
392 wcex.cbSize = sizeof(WNDCLASSEXW);
393 wcex.style = 0;
394 wcex.lpfnWndProc = SizeBar_WndProc;
395 wcex.cbClsExtra = 0;
396 wcex.cbWndExtra = sizeof(LONG_PTR);
397 wcex.hInstance = hhctrl_hinstance;
398 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
399 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_SIZEWE);
400 wcex.hbrBackground = (HBRUSH)(COLOR_MENU + 1);
401 wcex.lpszMenuName = NULL;
402 wcex.lpszClassName = szSizeBarClass;
403 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
404
405 RegisterClassExW(&wcex);
406 }
407
408 static void SB_GetSizeBarRect(HHInfo *info, RECT *rc)
409 {
410 RECT rectWND, rectTB, rectNP;
411
412 GetClientRect(info->WinType.hwndHelp, &rectWND);
413 GetClientRect(info->WinType.hwndToolBar, &rectTB);
414 GetClientRect(info->WinType.hwndNavigation, &rectNP);
415
416 rc->left = rectNP.right;
417 rc->top = rectTB.bottom;
418 rc->bottom = rectWND.bottom - rectTB.bottom;
419 rc->right = SIZEBAR_WIDTH;
420 }
421
422 static BOOL HH_AddSizeBar(HHInfo *pHHInfo)
423 {
424 HWND hWnd;
425 HWND hwndParent = pHHInfo->WinType.hwndHelp;
426 DWORD dwStyles = WS_CHILDWINDOW | WS_OVERLAPPED;
427 DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
428 RECT rc;
429
430 if (!pHHInfo->WinType.fNotExpanded)
431 dwStyles |= WS_VISIBLE;
432
433 SB_GetSizeBarRect(pHHInfo, &rc);
434
435 hWnd = CreateWindowExW(dwExStyles, szSizeBarClass, szEmpty, dwStyles,
436 rc.left, rc.top, rc.right, rc.bottom,
437 hwndParent, NULL, hhctrl_hinstance, NULL);
438 if (!hWnd)
439 return FALSE;
440
441 /* store the pointer to the HH info struct */
442 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)pHHInfo);
443
444 pHHInfo->hwndSizeBar = hWnd;
445 return TRUE;
446 }
447
448 /* Child Window */
449
450 static const WCHAR szChildClass[] = {
451 'H','H',' ','C','h','i','l','d',0
452 };
453
454 static LRESULT Child_OnPaint(HWND hWnd)
455 {
456 PAINTSTRUCT ps;
457 HDC hdc;
458 RECT rc;
459
460 hdc = BeginPaint(hWnd, &ps);
461
462 /* Only paint the Navigation pane, identified by the fact
463 * that it has a child window
464 */
465 if (GetWindow(hWnd, GW_CHILD))
466 {
467 GetClientRect(hWnd, &rc);
468
469 /* set the border color */
470 SelectObject(hdc, GetStockObject(DC_PEN));
471 SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
472
473 /* Draw the top border */
474 LineTo(hdc, rc.right, 0);
475
476 SelectObject(hdc, GetStockObject(WHITE_PEN));
477 MoveToEx(hdc, 0, 1, NULL);
478 LineTo(hdc, rc.right, 1);
479 }
480
481 EndPaint(hWnd, &ps);
482
483 return 0;
484 }
485
486 static void ResizeTabChild(HHInfo *info, int tab)
487 {
488 HWND hwnd = info->tabs[tab].hwnd;
489 INT width, height;
490 RECT rect, tabrc;
491 DWORD cnt;
492
493 GetClientRect(info->WinType.hwndNavigation, &rect);
494 SendMessageW(info->hwndTabCtrl, TCM_GETITEMRECT, 0, (LPARAM)&tabrc);
495 cnt = SendMessageW(info->hwndTabCtrl, TCM_GETROWCOUNT, 0, 0);
496
497 rect.left = TAB_MARGIN;
498 rect.top = TAB_TOP_PADDING + cnt*(tabrc.bottom-tabrc.top) + TAB_MARGIN;
499 rect.right -= TAB_RIGHT_PADDING + TAB_MARGIN;
500 rect.bottom -= TAB_MARGIN;
501 width = rect.right-rect.left;
502 height = rect.bottom-rect.top;
503
504 SetWindowPos(hwnd, NULL, rect.left, rect.top, width, height,
505 SWP_NOZORDER | SWP_NOACTIVATE);
506
507 switch (tab)
508 {
509 case TAB_INDEX: {
510 int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
511 int border_width = GetSystemMetrics(SM_CXBORDER);
512 int edge_width = GetSystemMetrics(SM_CXEDGE);
513
514 /* Resize the tab widget column to perfectly fit the tab window and
515 * leave sufficient space for the scroll widget.
516 */
517 SendMessageW(info->tabs[TAB_INDEX].hwnd, LVM_SETCOLUMNWIDTH, 0,
518 width-scroll_width-2*border_width-2*edge_width);
519
520 break;
521 }
522 case TAB_SEARCH: {
523 int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
524 int border_width = GetSystemMetrics(SM_CXBORDER);
525 int edge_width = GetSystemMetrics(SM_CXEDGE);
526 int top_pos = 0;
527
528 SetWindowPos(info->search.hwndEdit, NULL, 0, top_pos, width,
529 EDIT_HEIGHT, SWP_NOZORDER | SWP_NOACTIVATE);
530 top_pos += EDIT_HEIGHT + TAB_MARGIN;
531 SetWindowPos(info->search.hwndList, NULL, 0, top_pos, width,
532 height-top_pos, SWP_NOZORDER | SWP_NOACTIVATE);
533 /* Resize the tab widget column to perfectly fit the tab window and
534 * leave sufficient space for the scroll widget.
535 */
536 SendMessageW(info->search.hwndList, LVM_SETCOLUMNWIDTH, 0,
537 width-scroll_width-2*border_width-2*edge_width);
538
539 break;
540 }
541 }
542 }
543
544 static LRESULT Child_OnSize(HWND hwnd)
545 {
546 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, 0);
547 RECT rect;
548
549 if(!info || hwnd != info->WinType.hwndNavigation)
550 return 0;
551
552 GetClientRect(hwnd, &rect);
553 SetWindowPos(info->hwndTabCtrl, HWND_TOP, 0, 0,
554 rect.right - TAB_RIGHT_PADDING,
555 rect.bottom - TAB_TOP_PADDING, SWP_NOMOVE);
556
557 ResizeTabChild(info, TAB_CONTENTS);
558 ResizeTabChild(info, TAB_INDEX);
559 ResizeTabChild(info, TAB_SEARCH);
560 return 0;
561 }
562
563 static LRESULT OnTabChange(HWND hwnd)
564 {
565 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, 0);
566 int tab_id, tab_index, i;
567
568 TRACE("%p\n", hwnd);
569
570 if (!info)
571 return 0;
572
573 if(info->tabs[info->current_tab].hwnd)
574 ShowWindow(info->tabs[info->current_tab].hwnd, SW_HIDE);
575
576 tab_id = (int) SendMessageW(info->hwndTabCtrl, TCM_GETCURSEL, 0, 0);
577 /* convert the ID of the tab to an index in our tab list */
578 tab_index = -1;
579 for (i=0; i<TAB_NUMTABS; i++)
580 {
581 if (info->tabs[i].id == tab_id)
582 {
583 tab_index = i;
584 break;
585 }
586 }
587 if (tab_index == -1)
588 {
589 FIXME("Tab ID %d does not correspond to a valid index in the tab list.\n", tab_id);
590 return 0;
591 }
592 info->current_tab = tab_index;
593
594 if(info->tabs[info->current_tab].hwnd)
595 ShowWindow(info->tabs[info->current_tab].hwnd, SW_SHOW);
596
597 return 0;
598 }
599
600 static LRESULT OnTopicChange(HHInfo *info, void *user_data)
601 {
602 LPCWSTR chmfile = NULL, name = NULL, local = NULL;
603 ContentItem *citer;
604 SearchItem *siter;
605 IndexItem *iiter;
606
607 if(!user_data || !info)
608 return 0;
609
610 switch (info->current_tab)
611 {
612 case TAB_CONTENTS:
613 citer = (ContentItem *) user_data;
614 name = citer->name;
615 local = citer->local;
616 while(citer) {
617 if(citer->merge.chm_file) {
618 chmfile = citer->merge.chm_file;
619 break;
620 }
621 citer = citer->parent;
622 }
623 break;
624 case TAB_INDEX:
625 iiter = (IndexItem *) user_data;
626 if(iiter->nItems == 0) {
627 FIXME("No entries for this item!\n");
628 return 0;
629 }
630 if(iiter->nItems > 1) {
631 int i = 0;
632 LVITEMW lvi;
633
634 SendMessageW(info->popup.hwndList, LVM_DELETEALLITEMS, 0, 0);
635 for(i=0;i<iiter->nItems;i++) {
636 IndexSubItem *item = &iiter->items[i];
637 WCHAR *name = iiter->keyword;
638
639 if(!item->name)
640 item->name = GetDocumentTitle(info->pCHMInfo, item->local);
641 if(item->name)
642 name = item->name;
643 memset(&lvi, 0, sizeof(lvi));
644 lvi.iItem = i;
645 lvi.mask = LVIF_TEXT|LVIF_PARAM;
646 lvi.cchTextMax = strlenW(name)+1;
647 lvi.pszText = name;
648 lvi.lParam = (LPARAM) item;
649 SendMessageW(info->popup.hwndList, LVM_INSERTITEMW, 0, (LPARAM)&lvi);
650 }
651 ShowWindow(info->popup.hwndPopup, SW_SHOW);
652 return 0;
653 }
654 name = iiter->items[0].name;
655 local = iiter->items[0].local;
656 chmfile = iiter->merge.chm_file;
657 break;
658 case TAB_SEARCH:
659 siter = (SearchItem *) user_data;
660 name = siter->filename;
661 local = siter->filename;
662 chmfile = info->pCHMInfo->szFile;
663 break;
664 default:
665 FIXME("Unhandled operation for this tab!\n");
666 return 0;
667 }
668
669 if(!chmfile)
670 {
671 FIXME("No help file found for this item!\n");
672 return 0;
673 }
674
675 TRACE("name %s loal %s\n", debugstr_w(name), debugstr_w(local));
676
677 NavigateToChm(info, chmfile, local);
678 return 0;
679 }
680
681 /* Capture the Enter/Return key and send it up to Child_WndProc as an NM_RETURN message */
682 static LRESULT CALLBACK EditChild_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
683 {
684 WNDPROC editWndProc = (WNDPROC)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
685
686 if(message == WM_KEYUP && wParam == VK_RETURN)
687 {
688 NMHDR nmhdr;
689
690 nmhdr.hwndFrom = hWnd;
691 nmhdr.code = NM_RETURN;
692 SendMessageW(GetParent(GetParent(hWnd)), WM_NOTIFY, wParam, (LPARAM)&nmhdr);
693 }
694 return editWndProc(hWnd, message, wParam, lParam);
695 }
696
697 static LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
698 {
699 switch (message)
700 {
701 case WM_PAINT:
702 return Child_OnPaint(hWnd);
703 case WM_SIZE:
704 return Child_OnSize(hWnd);
705 case WM_NOTIFY: {
706 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hWnd, 0);
707 NMHDR *nmhdr = (NMHDR*)lParam;
708
709 switch(nmhdr->code) {
710 case TCN_SELCHANGE:
711 return OnTabChange(hWnd);
712 case TVN_SELCHANGEDW:
713 return OnTopicChange(info, (void*)((NMTREEVIEWW *)lParam)->itemNew.lParam);
714 case TVN_ITEMEXPANDINGW: {
715 TVITEMW *item = &((NMTREEVIEWW *)lParam)->itemNew;
716 HWND hwndTreeView = info->tabs[TAB_CONTENTS].hwnd;
717
718 item->mask = TVIF_IMAGE|TVIF_SELECTEDIMAGE;
719 if (item->state & TVIS_EXPANDED)
720 {
721 item->iImage = HHTV_FOLDER;
722 item->iSelectedImage = HHTV_FOLDER;
723 }
724 else
725 {
726 item->iImage = HHTV_OPENFOLDER;
727 item->iSelectedImage = HHTV_OPENFOLDER;
728 }
729 SendMessageW(hwndTreeView, TVM_SETITEMW, 0, (LPARAM)item);
730 return 0;
731 }
732 case NM_DBLCLK:
733 if(!info)
734 return 0;
735 switch(info->current_tab)
736 {
737 case TAB_INDEX:
738 return OnTopicChange(info, (void*)((NMITEMACTIVATE *)lParam)->lParam);
739 case TAB_SEARCH:
740 return OnTopicChange(info, (void*)((NMITEMACTIVATE *)lParam)->lParam);
741 }
742 break;
743 case NM_RETURN:
744 if(!info)
745 return 0;
746 switch(info->current_tab) {
747 case TAB_INDEX: {
748 HWND hwndList = info->tabs[TAB_INDEX].hwnd;
749 LVITEMW lvItem;
750
751 lvItem.iItem = (int) SendMessageW(hwndList, LVM_GETSELECTIONMARK, 0, 0);
752 lvItem.mask = TVIF_PARAM;
753 SendMessageW(hwndList, LVM_GETITEMW, 0, (LPARAM)&lvItem);
754 OnTopicChange(info, (void*) lvItem.lParam);
755 return 0;
756 }
757 case TAB_SEARCH: {
758 if(nmhdr->hwndFrom == info->search.hwndEdit) {
759 char needle[100];
760 DWORD i, len;
761
762 len = GetWindowTextA(info->search.hwndEdit, needle, sizeof(needle));
763 if(!len)
764 {
765 FIXME("Unable to get search text.\n");
766 return 0;
767 }
768 /* Convert the requested text for comparison later against the
769 * lower case version of HTML file contents.
770 */
771 for(i=0;i<len;i++)
772 needle[i] = tolower(needle[i]);
773 InitSearch(info, needle);
774 return 0;
775 }else if(nmhdr->hwndFrom == info->search.hwndList) {
776 HWND hwndList = info->search.hwndList;
777 LVITEMW lvItem;
778
779 lvItem.iItem = (int) SendMessageW(hwndList, LVM_GETSELECTIONMARK, 0, 0);
780 lvItem.mask = TVIF_PARAM;
781 SendMessageW(hwndList, LVM_GETITEMW, 0, (LPARAM)&lvItem);
782 OnTopicChange(info, (void*) lvItem.lParam);
783 return 0;
784 }
785 break;
786 }
787 }
788 break;
789 }
790 break;
791 }
792 default:
793 return DefWindowProcW(hWnd, message, wParam, lParam);
794 }
795
796 return 0;
797 }
798
799 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
800 {
801 WNDCLASSEXW wcex;
802
803 wcex.cbSize = sizeof(WNDCLASSEXW);
804 wcex.style = 0;
805 wcex.lpfnWndProc = Child_WndProc;
806 wcex.cbClsExtra = 0;
807 wcex.cbWndExtra = sizeof(LONG_PTR);
808 wcex.hInstance = hhctrl_hinstance;
809 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
810 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
811 wcex.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
812 wcex.lpszMenuName = NULL;
813 wcex.lpszClassName = szChildClass;
814 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
815
816 RegisterClassExW(&wcex);
817 }
818
819 /* Toolbar */
820
821 #define ICON_SIZE 20
822
823 static void DisplayPopupMenu(HHInfo *info)
824 {
825 HMENU menu, submenu;
826 TBBUTTONINFOW button;
827 MENUITEMINFOW item;
828 POINT coords;
829 RECT rect;
830 DWORD index;
831
832 menu = LoadMenuW(hhctrl_hinstance, MAKEINTRESOURCEW(MENU_POPUP));
833
834 if (!menu)
835 return;
836
837 submenu = GetSubMenu(menu, 0);
838
839 /* Update the Show/Hide menu item */
840 item.cbSize = sizeof(MENUITEMINFOW);
841 item.fMask = MIIM_FTYPE | MIIM_STATE | MIIM_STRING;
842 item.fType = MFT_STRING;
843 item.fState = MF_ENABLED;
844
845 if (info->WinType.fNotExpanded)
846 item.dwTypeData = HH_LoadString(IDS_SHOWTABS);
847 else
848 item.dwTypeData = HH_LoadString(IDS_HIDETABS);
849
850 SetMenuItemInfoW(submenu, IDTB_EXPAND, FALSE, &item);
851 heap_free(item.dwTypeData);
852
853 /* Find the index toolbar button */
854 button.cbSize = sizeof(TBBUTTONINFOW);
855 button.dwMask = TBIF_COMMAND;
856 index = SendMessageW(info->WinType.hwndToolBar, TB_GETBUTTONINFOW, IDTB_OPTIONS, (LPARAM) &button);
857
858 if (index == -1)
859 return;
860
861 /* Get position */
862 SendMessageW(info->WinType.hwndToolBar, TB_GETITEMRECT, index, (LPARAM) &rect);
863
864 coords.x = rect.left;
865 coords.y = rect.bottom;
866
867 ClientToScreen(info->WinType.hwndToolBar, &coords);
868 TrackPopupMenu(submenu, TPM_LEFTALIGN | TPM_TOPALIGN | TPM_LEFTBUTTON | TPM_NOANIMATION, coords.x, coords.y, 0, info->WinType.hwndHelp, NULL);
869 }
870
871 static void TB_OnClick(HWND hWnd, DWORD dwID)
872 {
873 HHInfo *info = (HHInfo *)GetWindowLongPtrW(hWnd, 0);
874
875 switch (dwID)
876 {
877 case IDTB_STOP:
878 DoPageAction(info, WB_STOP);
879 break;
880 case IDTB_REFRESH:
881 DoPageAction(info, WB_REFRESH);
882 break;
883 case IDTB_BACK:
884 DoPageAction(info, WB_GOBACK);
885 break;
886 case IDTB_HOME:
887 NavigateToChm(info, info->pCHMInfo->szFile, info->WinType.pszHome);
888 break;
889 case IDTB_FORWARD:
890 DoPageAction(info, WB_GOFORWARD);
891 break;
892 case IDTB_PRINT:
893 DoPageAction(info, WB_PRINT);
894 break;
895 case IDTB_EXPAND:
896 case IDTB_CONTRACT:
897 ExpandContract(info);
898 break;
899 case IDTB_SYNC:
900 DoSync(info);
901 break;
902 case IDTB_OPTIONS:
903 DisplayPopupMenu(info);
904 break;
905 case IDTB_NOTES:
906 case IDTB_CONTENTS:
907 case IDTB_INDEX:
908 case IDTB_SEARCH:
909 case IDTB_HISTORY:
910 case IDTB_FAVORITES:
911 /* These are officially unimplemented as of the Windows 7 SDK */
912 break;
913 case IDTB_BROWSE_FWD:
914 case IDTB_BROWSE_BACK:
915 case IDTB_JUMP1:
916 case IDTB_JUMP2:
917 case IDTB_CUSTOMIZE:
918 case IDTB_ZOOM:
919 case IDTB_TOC_NEXT:
920 case IDTB_TOC_PREV:
921 break;
922 }
923 }
924
925 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID, DWORD dwBitmap)
926 {
927 pButtons[dwIndex].iBitmap = dwBitmap;
928 pButtons[dwIndex].idCommand = dwID;
929 pButtons[dwIndex].fsState = TBSTATE_ENABLED;
930 pButtons[dwIndex].fsStyle = BTNS_BUTTON;
931 pButtons[dwIndex].dwData = 0;
932 pButtons[dwIndex].iString = 0;
933 }
934
935 static void TB_AddButtonsFromFlags(HHInfo *pHHInfo, TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
936 {
937 int nHistBitmaps = 0, nStdBitmaps = 0, nHHBitmaps = 0;
938 HWND hToolbar = pHHInfo->WinType.hwndToolBar;
939 TBADDBITMAP tbAB;
940 DWORD unsupported;
941
942 /* Common bitmaps */
943 tbAB.hInst = HINST_COMMCTRL;
944 tbAB.nID = IDB_HIST_LARGE_COLOR;
945 nHistBitmaps = SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
946 tbAB.nID = IDB_STD_LARGE_COLOR;
947 nStdBitmaps = SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
948 /* hhctrl.ocx bitmaps */
949 tbAB.hInst = hhctrl_hinstance;
950 tbAB.nID = IDB_HHTOOLBAR;
951 nHHBitmaps = SendMessageW(hToolbar, TB_ADDBITMAP, HHTB_NUMBITMAPS, (LPARAM)&tbAB);
952
953 *pdwNumButtons = 0;
954
955 unsupported = dwButtonFlags & (HHWIN_BUTTON_BROWSE_FWD |
956 HHWIN_BUTTON_BROWSE_BCK | HHWIN_BUTTON_NOTES | HHWIN_BUTTON_CONTENTS |
957 HHWIN_BUTTON_INDEX | HHWIN_BUTTON_SEARCH | HHWIN_BUTTON_HISTORY |
958 HHWIN_BUTTON_FAVORITES | HHWIN_BUTTON_JUMP1 | HHWIN_BUTTON_JUMP2 |
959 HHWIN_BUTTON_ZOOM | HHWIN_BUTTON_TOC_NEXT | HHWIN_BUTTON_TOC_PREV);
960 if (unsupported)
961 FIXME("got asked for unsupported buttons: %06x\n", unsupported);
962
963 if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
964 {
965 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND, nHHBitmaps + HHTB_EXPAND);
966 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_CONTRACT, nHHBitmaps + HHTB_CONTRACT);
967
968 if (pHHInfo->WinType.fNotExpanded)
969 pButtons[1].fsState |= TBSTATE_HIDDEN;
970 else
971 pButtons[0].fsState |= TBSTATE_HIDDEN;
972 }
973
974 if (dwButtonFlags & HHWIN_BUTTON_BACK)
975 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK, nHistBitmaps + HIST_BACK);
976
977 if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
978 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD, nHistBitmaps + HIST_FORWARD);
979
980 if (dwButtonFlags & HHWIN_BUTTON_STOP)
981 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP, nHHBitmaps + HHTB_STOP);
982
983 if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
984 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH, nHHBitmaps + HHTB_REFRESH);
985
986 if (dwButtonFlags & HHWIN_BUTTON_HOME)
987 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME, nHHBitmaps + HHTB_HOME);
988
989 if (dwButtonFlags & HHWIN_BUTTON_SYNC)
990 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC, nHHBitmaps + HHTB_SYNC);
991
992 if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
993 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS, nStdBitmaps + STD_PROPERTIES);
994
995 if (dwButtonFlags & HHWIN_BUTTON_PRINT)
996 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT, nStdBitmaps + STD_PRINT);
997 }
998
999 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
1000 {
1001 HWND hToolbar;
1002 HWND hwndParent = pHHInfo->WinType.hwndHelp;
1003 DWORD toolbarFlags;
1004 TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
1005 DWORD dwStyles, dwExStyles;
1006 DWORD dwNumButtons, dwIndex;
1007
1008 if (pHHInfo->WinType.fsWinProperties & HHWIN_PARAM_TB_FLAGS)
1009 toolbarFlags = pHHInfo->WinType.fsToolBarFlags;
1010 else
1011 toolbarFlags = HHWIN_DEF_BUTTONS;
1012
1013 dwStyles = WS_CHILDWINDOW | WS_VISIBLE | TBSTYLE_FLAT |
1014 TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
1015 dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
1016
1017 hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
1018 0, 0, 0, 0, hwndParent, NULL,
1019 hhctrl_hinstance, NULL);
1020 if (!hToolbar)
1021 return FALSE;
1022 pHHInfo->WinType.hwndToolBar = hToolbar;
1023
1024 SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
1025 SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
1026 SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
1027
1028 TB_AddButtonsFromFlags(pHHInfo, buttons, toolbarFlags, &dwNumButtons);
1029
1030 for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
1031 {
1032 LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
1033 DWORD dwLen = strlenW(szBuf);
1034 szBuf[dwLen + 1] = 0; /* Double-null terminate */
1035
1036 buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
1037 heap_free(szBuf);
1038 }
1039
1040 SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)buttons);
1041 SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
1042 ShowWindow(hToolbar, SW_SHOW);
1043
1044 return TRUE;
1045 }
1046
1047 /* Navigation Pane */
1048
1049 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
1050 {
1051 HWND hwndParent = pHHInfo->WinType.hwndHelp;
1052 HWND hwndToolbar = pHHInfo->WinType.hwndToolBar;
1053 RECT rectWND, rectTB;
1054
1055 GetClientRect(hwndParent, &rectWND);
1056 GetClientRect(hwndToolbar, &rectTB);
1057
1058 rc->left = 0;
1059 rc->top = rectTB.bottom;
1060 rc->bottom = rectWND.bottom - rectTB.bottom;
1061
1062 if (!(pHHInfo->WinType.fsValidMembers & HHWIN_PARAM_NAV_WIDTH) &&
1063 pHHInfo->WinType.iNavWidth == 0)
1064 {
1065 pHHInfo->WinType.iNavWidth = WINTYPE_DEFAULT_NAVWIDTH;
1066 }
1067
1068 rc->right = pHHInfo->WinType.iNavWidth;
1069 }
1070
1071 static DWORD NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD index)
1072 {
1073 TCITEMW tie;
1074 LPWSTR tabText = HH_LoadString(index);
1075 DWORD ret;
1076
1077 tie.mask = TCIF_TEXT;
1078 tie.pszText = tabText;
1079
1080 ret = SendMessageW( hwndTabCtrl, TCM_INSERTITEMW, index, (LPARAM)&tie );
1081
1082 heap_free(tabText);
1083 return ret;
1084 }
1085
1086 static BOOL HH_AddNavigationPane(HHInfo *info)
1087 {
1088 HWND hWnd, hwndTabCtrl;
1089 HWND hwndParent = info->WinType.hwndHelp;
1090 DWORD dwStyles = WS_CHILDWINDOW;
1091 DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
1092 RECT rc;
1093
1094 if (!info->WinType.fNotExpanded)
1095 dwStyles |= WS_VISIBLE;
1096
1097 NP_GetNavigationRect(info, &rc);
1098
1099 hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
1100 rc.left, rc.top, rc.right, rc.bottom,
1101 hwndParent, NULL, hhctrl_hinstance, NULL);
1102 if (!hWnd)
1103 return FALSE;
1104
1105 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)info);
1106
1107 hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles | WS_VISIBLE,
1108 0, TAB_TOP_PADDING,
1109 rc.right - TAB_RIGHT_PADDING,
1110 rc.bottom - TAB_TOP_PADDING,
1111 hWnd, NULL, hhctrl_hinstance, NULL);
1112 if (!hwndTabCtrl)
1113 return FALSE;
1114
1115 if (*info->WinType.pszToc)
1116 info->tabs[TAB_CONTENTS].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_CONTENTS);
1117
1118 if (*info->WinType.pszIndex)
1119 info->tabs[TAB_INDEX].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_INDEX);
1120
1121 if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_SEARCH)
1122 info->tabs[TAB_SEARCH].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_SEARCH);
1123
1124 if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
1125 info->tabs[TAB_FAVORITES].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_FAVORITES);
1126
1127 SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)info->hFont, TRUE);
1128
1129 info->hwndTabCtrl = hwndTabCtrl;
1130 info->WinType.hwndNavigation = hWnd;
1131 return TRUE;
1132 }
1133
1134 /* HTML Pane */
1135
1136 static void HP_GetHTMLRect(HHInfo *info, RECT *rc)
1137 {
1138 RECT rectTB, rectWND, rectNP, rectSB;
1139
1140 GetClientRect(info->WinType.hwndHelp, &rectWND);
1141 GetClientRect(info->WinType.hwndToolBar, &rectTB);
1142 GetClientRect(info->hwndSizeBar, &rectSB);
1143
1144 if (info->WinType.fNotExpanded)
1145 rc->left = 0;
1146 else
1147 {
1148 GetClientRect(info->WinType.hwndNavigation, &rectNP);
1149 rc->left = rectNP.right + rectSB.right;
1150 }
1151
1152 rc->top = rectTB.bottom;
1153 rc->right = rectWND.right - rc->left;
1154 rc->bottom = rectWND.bottom - rectTB.bottom;
1155 }
1156
1157 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
1158 {
1159 HWND hWnd;
1160 HWND hwndParent = pHHInfo->WinType.hwndHelp;
1161 DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
1162 DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
1163 RECT rc;
1164
1165 HP_GetHTMLRect(pHHInfo, &rc);
1166
1167 hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
1168 rc.left, rc.top, rc.right, rc.bottom,
1169 hwndParent, NULL, hhctrl_hinstance, NULL);
1170 if (!hWnd)
1171 return FALSE;
1172
1173 if (!InitWebBrowser(pHHInfo, hWnd))
1174 return FALSE;
1175
1176 /* store the pointer to the HH info struct */
1177 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)pHHInfo);
1178
1179 ShowWindow(hWnd, SW_SHOW);
1180 UpdateWindow(hWnd);
1181
1182 pHHInfo->WinType.hwndHTML = hWnd;
1183 return TRUE;
1184 }
1185
1186 static BOOL AddContentTab(HHInfo *info)
1187 {
1188 HIMAGELIST hImageList;
1189 HBITMAP hBitmap;
1190 HWND hWnd;
1191
1192 if(info->tabs[TAB_CONTENTS].id == -1)
1193 return TRUE; /* No "Contents" tab */
1194 hWnd = CreateWindowExW(WS_EX_CLIENTEDGE, WC_TREEVIEWW, szEmpty, WS_CHILD | WS_BORDER | TVS_LINESATROOT
1195 | TVS_SHOWSELALWAYS | TVS_HASBUTTONS, 50, 50, 100, 100,
1196 info->WinType.hwndNavigation, NULL, hhctrl_hinstance, NULL);
1197 if(!hWnd) {
1198 ERR("Could not create treeview control\n");
1199 return FALSE;
1200 }
1201
1202 hImageList = ImageList_Create(16, 16, ILC_COLOR32, 0, HHTV_NUMBITMAPS);
1203 hBitmap = LoadBitmapW(hhctrl_hinstance, MAKEINTRESOURCEW(IDB_HHTREEVIEW));
1204 ImageList_Add(hImageList, hBitmap, NULL);
1205 SendMessageW(hWnd, TVM_SETIMAGELIST, TVSIL_NORMAL, (LPARAM)hImageList);
1206
1207 info->contents.hImageList = hImageList;
1208 info->tabs[TAB_CONTENTS].hwnd = hWnd;
1209 ResizeTabChild(info, TAB_CONTENTS);
1210 ShowWindow(hWnd, SW_SHOW);
1211
1212 return TRUE;
1213 }
1214
1215 static BOOL AddIndexTab(HHInfo *info)
1216 {
1217 char hidden_column[] = "Column";
1218 LVCOLUMNA lvc;
1219
1220 if(info->tabs[TAB_INDEX].id == -1)
1221 return TRUE; /* No "Index" tab */
1222 info->tabs[TAB_INDEX].hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
1223 szEmpty, WS_CHILD | WS_BORDER | LVS_SINGLESEL | LVS_REPORT | LVS_NOCOLUMNHEADER, 50, 50, 100, 100,
1224 info->WinType.hwndNavigation, NULL, hhctrl_hinstance, NULL);
1225 if(!info->tabs[TAB_INDEX].hwnd) {
1226 ERR("Could not create ListView control\n");
1227 return FALSE;
1228 }
1229 memset(&lvc, 0, sizeof(lvc));
1230 lvc.mask = LVCF_TEXT;
1231 lvc.pszText = hidden_column;
1232 if(SendMessageW(info->tabs[TAB_INDEX].hwnd, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
1233 {
1234 ERR("Could not create ListView column\n");
1235 return FALSE;
1236 }
1237
1238 ResizeTabChild(info, TAB_INDEX);
1239 ShowWindow(info->tabs[TAB_INDEX].hwnd, SW_HIDE);
1240
1241 return TRUE;
1242 }
1243
1244 static BOOL AddSearchTab(HHInfo *info)
1245 {
1246 HWND hwndList, hwndEdit, hwndContainer;
1247 char hidden_column[] = "Column";
1248 WNDPROC editWndProc;
1249 LVCOLUMNA lvc;
1250
1251 if(info->tabs[TAB_SEARCH].id == -1)
1252 return TRUE; /* No "Search" tab */
1253 hwndContainer = CreateWindowExW(WS_EX_CONTROLPARENT, szChildClass, szEmpty,
1254 WS_CHILD, 0, 0, 0, 0, info->WinType.hwndNavigation,
1255 NULL, hhctrl_hinstance, NULL);
1256 if(!hwndContainer) {
1257 ERR("Could not create search window container control.\n");
1258 return FALSE;
1259 }
1260 hwndEdit = CreateWindowExW(WS_EX_CLIENTEDGE, WC_EDITW, szEmpty, WS_CHILD
1261 | WS_VISIBLE | ES_LEFT | SS_NOTIFY, 0, 0, 0, 0,
1262 hwndContainer, NULL, hhctrl_hinstance, NULL);
1263 if(!hwndEdit) {
1264 ERR("Could not create search ListView control.\n");
1265 return FALSE;
1266 }
1267 if(SendMessageW(hwndEdit, WM_SETFONT, (WPARAM) info->hFont, (LPARAM) FALSE) == -1)
1268 {
1269 ERR("Could not set font for edit control.\n");
1270 return FALSE;
1271 }
1272 editWndProc = (WNDPROC) SetWindowLongPtrW(hwndEdit, GWLP_WNDPROC, (LONG_PTR)EditChild_WndProc);
1273 if(!editWndProc) {
1274 ERR("Could not redirect messages for edit control.\n");
1275 return FALSE;
1276 }
1277 SetWindowLongPtrW(hwndEdit, GWLP_USERDATA, (LONG_PTR)editWndProc);
1278 hwndList = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW, szEmpty,
1279 WS_CHILD | WS_VISIBLE | WS_BORDER | LVS_SINGLESEL
1280 | LVS_REPORT | LVS_NOCOLUMNHEADER, 0, 0, 0, 0,
1281 hwndContainer, NULL, hhctrl_hinstance, NULL);
1282 if(!hwndList) {
1283 ERR("Could not create search ListView control.\n");
1284 return FALSE;
1285 }
1286 memset(&lvc, 0, sizeof(lvc));
1287 lvc.mask = LVCF_TEXT;
1288 lvc.pszText = hidden_column;
1289 if(SendMessageW(hwndList, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
1290 {
1291 ERR("Could not create ListView column\n");
1292 return FALSE;
1293 }
1294
1295 info->search.hwndEdit = hwndEdit;
1296 info->search.hwndList = hwndList;
1297 info->search.hwndContainer = hwndContainer;
1298 info->tabs[TAB_SEARCH].hwnd = hwndContainer;
1299
1300 SetWindowLongPtrW(hwndContainer, 0, (LONG_PTR)info);
1301
1302 ResizeTabChild(info, TAB_SEARCH);
1303
1304 return TRUE;
1305 }
1306
1307 /* The Index tab's sub-topic popup */
1308
1309 static void ResizePopupChild(HHInfo *info)
1310 {
1311 int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
1312 int border_width = GetSystemMetrics(SM_CXBORDER);
1313 int edge_width = GetSystemMetrics(SM_CXEDGE);
1314 INT width, height;
1315 RECT rect;
1316
1317 if(!info)
1318 return;
1319
1320 GetClientRect(info->popup.hwndPopup, &rect);
1321 SetWindowPos(info->popup.hwndCallback, HWND_TOP, 0, 0,
1322 rect.right, rect.bottom, SWP_NOMOVE);
1323
1324 rect.left = TAB_MARGIN;
1325 rect.top = TAB_TOP_PADDING + TAB_MARGIN;
1326 rect.right -= TAB_RIGHT_PADDING + TAB_MARGIN;
1327 rect.bottom -= TAB_MARGIN;
1328 width = rect.right-rect.left;
1329 height = rect.bottom-rect.top;
1330
1331 SetWindowPos(info->popup.hwndList, NULL, rect.left, rect.top, width, height,
1332 SWP_NOZORDER | SWP_NOACTIVATE);
1333
1334 SendMessageW(info->popup.hwndList, LVM_SETCOLUMNWIDTH, 0,
1335 width-scroll_width-2*border_width-2*edge_width);
1336 }
1337
1338 static LRESULT CALLBACK HelpPopup_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1339 {
1340 HHInfo *info = (HHInfo *)GetWindowLongPtrW(hWnd, 0);
1341
1342 switch (message)
1343 {
1344 case WM_SIZE:
1345 ResizePopupChild(info);
1346 return 0;
1347 case WM_DESTROY:
1348 DestroyWindow(hWnd);
1349 return 0;
1350 case WM_CLOSE:
1351 ShowWindow(hWnd, SW_HIDE);
1352 return 0;
1353
1354 default:
1355 return DefWindowProcW(hWnd, message, wParam, lParam);
1356 }
1357
1358 return 0;
1359 }
1360
1361 static LRESULT CALLBACK PopupChild_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1362 {
1363 switch (message)
1364 {
1365 case WM_NOTIFY: {
1366 NMHDR *nmhdr = (NMHDR*)lParam;
1367 switch(nmhdr->code)
1368 {
1369 case NM_DBLCLK: {
1370 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hWnd, 0);
1371 IndexSubItem *iter;
1372
1373 if(info == 0 || lParam == 0)
1374 return 0;
1375 iter = (IndexSubItem*) ((NMITEMACTIVATE *)lParam)->lParam;
1376 if(iter == 0)
1377 return 0;
1378 NavigateToChm(info, info->index->merge.chm_file, iter->local);
1379 ShowWindow(info->popup.hwndPopup, SW_HIDE);
1380 return 0;
1381 }
1382 case NM_RETURN: {
1383 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hWnd, 0);
1384 IndexSubItem *iter;
1385 LVITEMW lvItem;
1386
1387 if(info == 0)
1388 return 0;
1389
1390 lvItem.iItem = (int) SendMessageW(info->popup.hwndList, LVM_GETSELECTIONMARK, 0, 0);
1391 lvItem.mask = TVIF_PARAM;
1392 SendMessageW(info->popup.hwndList, LVM_GETITEMW, 0, (LPARAM)&lvItem);
1393 iter = (IndexSubItem*) lvItem.lParam;
1394 NavigateToChm(info, info->index->merge.chm_file, iter->local);
1395 ShowWindow(info->popup.hwndPopup, SW_HIDE);
1396 return 0;
1397 }
1398 }
1399 break;
1400 }
1401 default:
1402 return DefWindowProcW(hWnd, message, wParam, lParam);
1403 }
1404
1405 return 0;
1406 }
1407
1408 static BOOL AddIndexPopup(HHInfo *info)
1409 {
1410 static const WCHAR szPopupChildClass[] = {'H','H',' ','P','o','p','u','p',' ','C','h','i','l','d',0};
1411 static const WCHAR windowCaptionW[] = {'S','e','l','e','c','t',' ','T','o','p','i','c',':',0};
1412 static const WCHAR windowClassW[] = {'H','H',' ','P','o','p','u','p',0};
1413 HWND hwndList, hwndPopup, hwndCallback;
1414 char hidden_column[] = "Column";
1415 WNDCLASSEXW wcex;
1416 LVCOLUMNA lvc;
1417
1418 if(info->tabs[TAB_INDEX].id == -1)
1419 return TRUE; /* No "Index" tab */
1420
1421 wcex.cbSize = sizeof(WNDCLASSEXW);
1422 wcex.style = CS_HREDRAW | CS_VREDRAW;
1423 wcex.lpfnWndProc = HelpPopup_WndProc;
1424 wcex.cbClsExtra = 0;
1425 wcex.cbWndExtra = sizeof(LONG_PTR);
1426 wcex.hInstance = hhctrl_hinstance;
1427 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1428 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
1429 wcex.hbrBackground = (HBRUSH)(COLOR_MENU + 1);
1430 wcex.lpszMenuName = NULL;
1431 wcex.lpszClassName = windowClassW;
1432 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1433 RegisterClassExW(&wcex);
1434
1435 wcex.cbSize = sizeof(WNDCLASSEXW);
1436 wcex.style = 0;
1437 wcex.lpfnWndProc = PopupChild_WndProc;
1438 wcex.cbClsExtra = 0;
1439 wcex.cbWndExtra = sizeof(LONG_PTR);
1440 wcex.hInstance = hhctrl_hinstance;
1441 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1442 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
1443 wcex.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
1444 wcex.lpszMenuName = NULL;
1445 wcex.lpszClassName = szPopupChildClass;
1446 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1447 RegisterClassExW(&wcex);
1448
1449 hwndPopup = CreateWindowExW(WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW
1450 | WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR,
1451 windowClassW, windowCaptionW, WS_POPUPWINDOW
1452 | WS_OVERLAPPEDWINDOW | WS_VISIBLE
1453 | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, CW_USEDEFAULT,
1454 CW_USEDEFAULT, 300, 200, info->WinType.hwndHelp,
1455 NULL, hhctrl_hinstance, NULL);
1456 if (!hwndPopup)
1457 return FALSE;
1458
1459 hwndCallback = CreateWindowExW(WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR,
1460 szPopupChildClass, szEmpty, WS_CHILDWINDOW | WS_VISIBLE,
1461 0, 0, 0, 0,
1462 hwndPopup, NULL, hhctrl_hinstance, NULL);
1463 if (!hwndCallback)
1464 return FALSE;
1465
1466 ShowWindow(hwndPopup, SW_HIDE);
1467 hwndList = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW, szEmpty,
1468 WS_CHILD | WS_BORDER | LVS_SINGLESEL | LVS_REPORT
1469 | LVS_NOCOLUMNHEADER, 50, 50, 100, 100,
1470 hwndCallback, NULL, hhctrl_hinstance, NULL);
1471 if(!hwndList) {
1472 ERR("Could not create popup ListView control\n");
1473 return FALSE;
1474 }
1475 memset(&lvc, 0, sizeof(lvc));
1476 lvc.mask = LVCF_TEXT;
1477 lvc.pszText = hidden_column;
1478 if(SendMessageW(hwndList, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
1479 {
1480 ERR("Could not create popup ListView column\n");
1481 return FALSE;
1482 }
1483
1484 info->popup.hwndCallback = hwndCallback;
1485 info->popup.hwndPopup = hwndPopup;
1486 info->popup.hwndList = hwndList;
1487 SetWindowLongPtrW(hwndPopup, 0, (LONG_PTR)info);
1488 SetWindowLongPtrW(hwndCallback, 0, (LONG_PTR)info);
1489
1490 ResizePopupChild(info);
1491 ShowWindow(hwndList, SW_SHOW);
1492
1493 return TRUE;
1494 }
1495
1496 /* Viewer Window */
1497
1498 static void ExpandContract(HHInfo *pHHInfo)
1499 {
1500 RECT r, nav;
1501
1502 pHHInfo->WinType.fNotExpanded = !pHHInfo->WinType.fNotExpanded;
1503 GetWindowRect(pHHInfo->WinType.hwndHelp, &r);
1504 NP_GetNavigationRect(pHHInfo, &nav);
1505
1506 /* hide/show both the nav bar and the size bar */
1507 if (pHHInfo->WinType.fNotExpanded)
1508 {
1509 ShowWindow(pHHInfo->WinType.hwndNavigation, SW_HIDE);
1510 ShowWindow(pHHInfo->hwndSizeBar, SW_HIDE);
1511 r.left = r.left + nav.right;
1512
1513 SendMessageW(pHHInfo->WinType.hwndToolBar, TB_HIDEBUTTON, IDTB_EXPAND, MAKELPARAM(FALSE, 0));
1514 SendMessageW(pHHInfo->WinType.hwndToolBar, TB_HIDEBUTTON, IDTB_CONTRACT, MAKELPARAM(TRUE, 0));
1515 }
1516 else
1517 {
1518 ShowWindow(pHHInfo->WinType.hwndNavigation, SW_SHOW);
1519 ShowWindow(pHHInfo->hwndSizeBar, SW_SHOW);
1520 r.left = r.left - nav.right;
1521
1522 SendMessageW(pHHInfo->WinType.hwndToolBar, TB_HIDEBUTTON, IDTB_EXPAND, MAKELPARAM(TRUE, 0));
1523 SendMessageW(pHHInfo->WinType.hwndToolBar, TB_HIDEBUTTON, IDTB_CONTRACT, MAKELPARAM(FALSE, 0));
1524 }
1525
1526 MoveWindow(pHHInfo->WinType.hwndHelp, r.left, r.top, r.right-r.left, r.bottom-r.top, TRUE);
1527 }
1528
1529 static LRESULT Help_OnSize(HWND hWnd)
1530 {
1531 HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, 0);
1532 DWORD dwSize;
1533 RECT rc;
1534
1535 if (!pHHInfo)
1536 return 0;
1537
1538 if (!pHHInfo->WinType.fNotExpanded)
1539 {
1540 NP_GetNavigationRect(pHHInfo, &rc);
1541 SetWindowPos(pHHInfo->WinType.hwndNavigation, HWND_TOP, 0, 0,
1542 rc.right, rc.bottom, SWP_NOMOVE);
1543
1544 SB_GetSizeBarRect(pHHInfo, &rc);
1545 SetWindowPos(pHHInfo->hwndSizeBar, HWND_TOP, rc.left, rc.top,
1546 rc.right, rc.bottom, SWP_SHOWWINDOW);
1547
1548 }
1549
1550 HP_GetHTMLRect(pHHInfo, &rc);
1551 SetWindowPos(pHHInfo->WinType.hwndHTML, HWND_TOP, rc.left, rc.top,
1552 rc.right, rc.bottom, SWP_SHOWWINDOW);
1553
1554 /* Resize browser window taking the frame size into account */
1555 dwSize = GetSystemMetrics(SM_CXFRAME);
1556 ResizeWebBrowser(pHHInfo, rc.right - dwSize, rc.bottom - dwSize);
1557
1558 return 0;
1559 }
1560
1561 static LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1562 {
1563 switch (message)
1564 {
1565 case WM_COMMAND:
1566 if (HIWORD(wParam) == BN_CLICKED)
1567 TB_OnClick(hWnd, LOWORD(wParam));
1568 break;
1569 case WM_SIZE:
1570 return Help_OnSize(hWnd);
1571 case WM_CLOSE:
1572 ReleaseHelpViewer((HHInfo *)GetWindowLongPtrW(hWnd, 0));
1573 return 0;
1574 case WM_DESTROY:
1575 if(hh_process)
1576 PostQuitMessage(0);
1577 break;
1578
1579 default:
1580 return DefWindowProcW(hWnd, message, wParam, lParam);
1581 }
1582
1583 return 0;
1584 }
1585
1586 static BOOL HH_CreateHelpWindow(HHInfo *info)
1587 {
1588 HWND hWnd, parent = 0;
1589 RECT winPos = info->WinType.rcWindowPos;
1590 WNDCLASSEXW wcex;
1591 DWORD dwStyles, dwExStyles;
1592 DWORD x, y, width = 0, height = 0;
1593 LPCWSTR caption;
1594
1595 static const WCHAR windowClassW[] = {
1596 'H','H',' ', 'P','a','r','e','n','t',0
1597 };
1598
1599 wcex.cbSize = sizeof(WNDCLASSEXW);
1600 wcex.style = CS_HREDRAW | CS_VREDRAW;
1601 wcex.lpfnWndProc = Help_WndProc;
1602 wcex.cbClsExtra = 0;
1603 wcex.cbWndExtra = sizeof(LONG_PTR);
1604 wcex.hInstance = hhctrl_hinstance;
1605 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1606 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
1607 wcex.hbrBackground = (HBRUSH)(COLOR_MENU + 1);
1608 wcex.lpszMenuName = NULL;
1609 wcex.lpszClassName = windowClassW;
1610 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1611
1612 RegisterClassExW(&wcex);
1613
1614 /* Read in window parameters if available */
1615 if (info->WinType.fsValidMembers & HHWIN_PARAM_STYLES)
1616 {
1617 dwStyles = info->WinType.dwStyles;
1618 if (!(info->WinType.dwStyles & WS_CHILD))
1619 dwStyles |= WS_OVERLAPPEDWINDOW;
1620 }
1621 else
1622 dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
1623 WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
1624
1625 if (info->WinType.fsValidMembers & HHWIN_PARAM_EXSTYLES)
1626 dwExStyles = info->WinType.dwExStyles;
1627 else
1628 dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
1629 WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
1630
1631 if (info->WinType.fsValidMembers & HHWIN_PARAM_RECT)
1632 {
1633 x = winPos.left;
1634 y = winPos.top;
1635 width = winPos.right - x;
1636 height = winPos.bottom - y;
1637 }
1638 if (!width || !height)
1639 {
1640 x = WINTYPE_DEFAULT_X;
1641 y = WINTYPE_DEFAULT_Y;
1642 width = WINTYPE_DEFAULT_WIDTH;
1643 height = WINTYPE_DEFAULT_HEIGHT;
1644 }
1645
1646 if (info->WinType.fNotExpanded)
1647 {
1648 if (!(info->WinType.fsValidMembers & HHWIN_PARAM_NAV_WIDTH) &&
1649 info->WinType.iNavWidth == 0)
1650 {
1651 info->WinType.iNavWidth = WINTYPE_DEFAULT_NAVWIDTH;
1652 }
1653
1654 x += info->WinType.iNavWidth;
1655 width -= info->WinType.iNavWidth;
1656 }
1657
1658
1659 caption = info->WinType.pszCaption;
1660 if (!*caption) caption = info->pCHMInfo->defTitle;
1661
1662 if (info->WinType.dwStyles & WS_CHILD)
1663 parent = info->WinType.hwndCaller;
1664
1665 hWnd = CreateWindowExW(dwExStyles, windowClassW, caption,
1666 dwStyles, x, y, width, height, parent, NULL, hhctrl_hinstance, NULL);
1667 if (!hWnd)
1668 return FALSE;
1669
1670 ShowWindow(hWnd, SW_SHOW);
1671 UpdateWindow(hWnd);
1672
1673 /* store the pointer to the HH info struct */
1674 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)info);
1675
1676 info->WinType.hwndHelp = hWnd;
1677 return TRUE;
1678 }
1679
1680 static void HH_CreateFont(HHInfo *pHHInfo)
1681 {
1682 LOGFONTW lf;
1683
1684 GetObjectW(GetStockObject(DEFAULT_GUI_FONT), sizeof(LOGFONTW), &lf);
1685 lf.lfWeight = FW_NORMAL;
1686 lf.lfItalic = FALSE;
1687 lf.lfUnderline = FALSE;
1688
1689 pHHInfo->hFont = CreateFontIndirectW(&lf);
1690 }
1691
1692 static void HH_InitRequiredControls(DWORD dwControls)
1693 {
1694 INITCOMMONCONTROLSEX icex;
1695
1696 icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
1697 icex.dwICC = dwControls;
1698 InitCommonControlsEx(&icex);
1699 }
1700
1701 /* Creates the whole package */
1702 static BOOL CreateViewer(HHInfo *pHHInfo)
1703 {
1704 HH_CreateFont(pHHInfo);
1705
1706 if (!HH_CreateHelpWindow(pHHInfo))
1707 return FALSE;
1708
1709 HH_InitRequiredControls(ICC_BAR_CLASSES);
1710
1711 if (!HH_AddToolbar(pHHInfo))
1712 return FALSE;
1713
1714 HH_RegisterChildWndClass(pHHInfo);
1715
1716 if (!HH_AddNavigationPane(pHHInfo))
1717 return FALSE;
1718
1719 HH_RegisterSizeBarClass(pHHInfo);
1720
1721 if (!HH_AddSizeBar(pHHInfo))
1722 return FALSE;
1723
1724 if (!HH_AddHTMLPane(pHHInfo))
1725 return FALSE;
1726
1727 if (!AddContentTab(pHHInfo))
1728 return FALSE;
1729
1730 if (!AddIndexTab(pHHInfo))
1731 return FALSE;
1732
1733 if (!AddIndexPopup(pHHInfo))
1734 return FALSE;
1735
1736 if (!AddSearchTab(pHHInfo))
1737 return FALSE;
1738
1739 InitContent(pHHInfo);
1740 InitIndex(pHHInfo);
1741
1742 return TRUE;
1743 }
1744
1745 void ReleaseHelpViewer(HHInfo *info)
1746 {
1747 TRACE("(%p)\n", info);
1748
1749 if (!info)
1750 return;
1751
1752 list_remove(&info->entry);
1753
1754 /* Free allocated strings */
1755 heap_free(info->pszType);
1756 heap_free(info->pszCaption);
1757 heap_free(info->pszToc);
1758 heap_free(info->pszIndex);
1759 heap_free(info->pszFile);
1760 heap_free(info->pszHome);
1761 heap_free(info->pszJump1);
1762 heap_free(info->pszJump2);
1763 heap_free(info->pszUrlJump1);
1764 heap_free(info->pszUrlJump2);
1765
1766 if (info->pCHMInfo)
1767 CloseCHM(info->pCHMInfo);
1768
1769 ReleaseWebBrowser(info);
1770 ReleaseContent(info);
1771 ReleaseIndex(info);
1772 ReleaseSearch(info);
1773
1774 if(info->contents.hImageList)
1775 ImageList_Destroy(info->contents.hImageList);
1776 if(info->WinType.hwndHelp)
1777 DestroyWindow(info->WinType.hwndHelp);
1778
1779 heap_free(info);
1780 OleUninitialize();
1781 }
1782
1783 HHInfo *CreateHelpViewer(LPCWSTR filename, HWND caller)
1784 {
1785 HHInfo *info = heap_alloc_zero(sizeof(HHInfo));
1786 int i;
1787
1788 /* Set the invalid tab ID (-1) as the default value for all
1789 * of the tabs, this matches a failed TCM_INSERTITEM call.
1790 */
1791 for(i=0;i<sizeof(info->tabs)/sizeof(HHTab);i++)
1792 info->tabs[i].id = -1;
1793
1794 OleInitialize(NULL);
1795
1796 info->pCHMInfo = OpenCHM(filename);
1797 if(!info->pCHMInfo) {
1798 ReleaseHelpViewer(info);
1799 return NULL;
1800 }
1801
1802 if (!LoadWinTypeFromCHM(info)) {
1803 ReleaseHelpViewer(info);
1804 return NULL;
1805 }
1806 info->WinType.hwndCaller = caller;
1807
1808 if(!CreateViewer(info)) {
1809 ReleaseHelpViewer(info);
1810 return NULL;
1811 }
1812
1813 list_add_tail(&window_list, &info->entry);
1814 return info;
1815 }
1816
1817 /*
1818 * Search the table of HTML entities and return the corresponding ANSI symbol.
1819 */
1820 static char find_html_symbol(const char *entity, int entity_len)
1821 {
1822 int max = sizeof(html_encoded_symbols)/sizeof(html_encoded_symbols[0])-1;
1823 int min = 0, dir;
1824
1825 while(min <= max)
1826 {
1827 int pos = (min+max)/2;
1828 const char *encoded_symbol = html_encoded_symbols[pos].html_code;
1829 dir = strncmp(encoded_symbol, entity, entity_len);
1830 if(dir == 0 && !encoded_symbol[entity_len]) return html_encoded_symbols[pos].ansi_symbol;
1831 if(dir < 0)
1832 min = pos+1;
1833 else
1834 max = pos-1;
1835 }
1836 return 0;
1837 }
1838
1839 /*
1840 * Decode a string containing HTML encoded characters into a unicode string.
1841 */
1842 WCHAR *decode_html(const char *html_fragment, int html_fragment_len, UINT code_page)
1843 {
1844 const char *h = html_fragment;
1845 char *amp, *sem, symbol, *tmp;
1846 int len, tmp_len = 0;
1847 WCHAR *unicode_text;
1848
1849 tmp = heap_alloc(html_fragment_len+1);
1850 while(1)
1851 {
1852 symbol = 0;
1853 amp = strchr(h, '&');
1854 if(!amp) break;
1855 len = amp-h;
1856 /* Copy the characters prior to the HTML encoded character */
1857 memcpy(&tmp[tmp_len], h, len);
1858 tmp_len += len;
1859 amp++; /* skip ampersand */
1860 sem = strchr(amp, ';');
1861 /* Require a semicolon after the ampersand */
1862 if(!sem)
1863 {
1864 h = amp;
1865 tmp[tmp_len++] = '&';
1866 continue;
1867 }
1868 /* Find the symbol either by using the ANSI character number (prefixed by the pound symbol)
1869 * or by searching the HTML entity table */
1870 len = sem-amp;
1871 if(amp[0] == '#')
1872 {
1873 char *endnum = NULL;
1874 int tmp;
1875
1876 tmp = (char) strtol(amp, &endnum, 10);
1877 if(endnum == sem)
1878 symbol = tmp;
1879 }
1880 else
1881 symbol = find_html_symbol(amp, len);
1882 if(!symbol)
1883 {
1884 FIXME("Failed to translate HTML encoded character '&%.*s;'.\n", len, amp);
1885 h = amp;
1886 tmp[tmp_len++] = '&';
1887 continue;
1888 }
1889 /* Insert the new symbol */
1890 h = sem+1;
1891 tmp[tmp_len++] = symbol;
1892 }
1893 /* Convert any remaining characters */
1894 len = html_fragment_len-(h-html_fragment);
1895 memcpy(&tmp[tmp_len], h, len);
1896 tmp_len += len;
1897 tmp[tmp_len++] = 0; /* NULL-terminate the string */
1898
1899 len = MultiByteToWideChar(code_page, 0, tmp, tmp_len, NULL, 0);
1900 unicode_text = heap_alloc(len*sizeof(WCHAR));
1901 MultiByteToWideChar(code_page, 0, tmp, tmp_len, unicode_text, len);
1902 heap_free(tmp);
1903 return unicode_text;
1904 }
Maarten's multimedia branch