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msvcrt: Import cbrt implementation from musl.
[wine.git] / dlls / hhctrl.ocx / help.c
blob06f73358f447609ee09aa29cb9aebcfc86fc6643
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 static 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 static inline BOOL navigation_visible(HHInfo *info)
169 {
170 return ((info->WinType.fsWinProperties & HHWIN_PROP_TRI_PANE) && !info->WinType.fNotExpanded);
171 }
172
173 /* Loads a string from the resource file */
174 static LPWSTR HH_LoadString(DWORD dwID)
175 {
176 LPWSTR string = NULL;
177 LPCWSTR stringresource;
178 int iSize;
179
180 iSize = LoadStringW(hhctrl_hinstance, dwID, (LPWSTR)&stringresource, 0);
181
182 string = heap_alloc((iSize + 2) * sizeof(WCHAR)); /* some strings (tab text) needs double-null termination */
183 memcpy(string, stringresource, iSize*sizeof(WCHAR));
184 string[iSize] = 0;
185
186 return string;
187 }
188
189 static HRESULT navigate_url(HHInfo *info, LPCWSTR surl)
190 {
191 VARIANT url;
192 HRESULT hres;
193
194 TRACE("%s\n", debugstr_w(surl));
195
196 V_VT(&url) = VT_BSTR;
197 V_BSTR(&url) = SysAllocString(surl);
198
199 hres = IWebBrowser2_Navigate2(info->web_browser->web_browser, &url, 0, 0, 0, 0);
200
201 VariantClear(&url);
202
203 if(FAILED(hres))
204 TRACE("Navigation failed: %08x\n", hres);
205
206 return hres;
207 }
208
209 BOOL NavigateToUrl(HHInfo *info, LPCWSTR surl)
210 {
211 ChmPath chm_path;
212 BOOL ret;
213 HRESULT hres;
214
215 static const WCHAR url_indicator[] = {':', '/', '/', 0};
216
217 TRACE("%s\n", debugstr_w(surl));
218
219 if (wcsstr(surl, url_indicator)) {
220 hres = navigate_url(info, surl);
221 if(SUCCEEDED(hres))
222 return TRUE;
223 } /* look up in chm if it doesn't look like a full url */
224
225 SetChmPath(&chm_path, info->pCHMInfo->szFile, surl);
226 ret = NavigateToChm(info, chm_path.chm_file, chm_path.chm_index);
227
228 heap_free(chm_path.chm_file);
229 heap_free(chm_path.chm_index);
230
231 return ret;
232 }
233
234 static BOOL AppendFullPathURL(LPCWSTR file, LPWSTR buf, LPCWSTR index)
235 {
236 static const WCHAR url_format[] =
237 {'m','k',':','@','M','S','I','T','S','t','o','r','e',':','%','s',':',':','%','s','%','s',0};
238 static const WCHAR slash[] = {'/',0};
239 static const WCHAR empty[] = {0};
240 WCHAR full_path[MAX_PATH];
241
242 TRACE("%s %p %s\n", debugstr_w(file), buf, debugstr_w(index));
243
244 if (!GetFullPathNameW(file, ARRAY_SIZE(full_path), full_path, NULL)) {
245 WARN("GetFullPathName failed: %u\n", GetLastError());
246 return FALSE;
247 }
248
249 wsprintfW(buf, url_format, full_path, (!index || index[0] == '/') ? empty : slash, index);
250 return TRUE;
251 }
252
253 BOOL NavigateToChm(HHInfo *info, LPCWSTR file, LPCWSTR index)
254 {
255 WCHAR buf[INTERNET_MAX_URL_LENGTH];
256
257 TRACE("%p %s %s\n", info, debugstr_w(file), debugstr_w(index));
258
259 if ((!info->web_browser) || !AppendFullPathURL(file, buf, index))
260 return FALSE;
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 BSTR url;
270
271 hres = IWebBrowser2_get_LocationURL(info->web_browser->web_browser, &url);
272
273 if (FAILED(hres))
274 {
275 WARN("get_LocationURL failed: %08x\n", hres);
276 return;
277 }
278
279 /* If we're not currently viewing a page in the active .chm file, abort */
280 if ((!AppendFullPathURL(info->WinType.pszFile, buf, NULL)) || (lstrlenW(buf) > lstrlenW(url)))
281 {
282 SysFreeString(url);
283 return;
284 }
285
286 if (lstrcmpiW(buf, url) > 0)
287 {
288 static const WCHAR delimW[] = {':',':','/',0};
289 const WCHAR *index;
290
291 index = wcsstr(url, delimW);
292
293 if (index)
294 ActivateContentTopic(info->tabs[TAB_CONTENTS].hwnd, index + 3, info->content); /* skip over ::/ */
295 }
296
297 SysFreeString(url);
298 }
299
300 /* Size Bar */
301
302 #define SIZEBAR_WIDTH 4
303
304 static const WCHAR szSizeBarClass[] = {
305 'H','H',' ','S','i','z','e','B','a','r',0
306 };
307
308 /* Draw the SizeBar */
309 static void SB_OnPaint(HWND hWnd)
310 {
311 PAINTSTRUCT ps;
312 HDC hdc;
313 RECT rc;
314
315 hdc = BeginPaint(hWnd, &ps);
316
317 GetClientRect(hWnd, &rc);
318
319 /* dark frame */
320 rc.right += 1;
321 rc.bottom -= 1;
322 FrameRect(hdc, &rc, GetStockObject(GRAY_BRUSH));
323
324 /* white highlight */
325 SelectObject(hdc, GetStockObject(WHITE_PEN));
326 MoveToEx(hdc, rc.right, 1, NULL);
327 LineTo(hdc, 1, 1);
328 LineTo(hdc, 1, rc.bottom - 1);
329
330
331 MoveToEx(hdc, 0, rc.bottom, NULL);
332 LineTo(hdc, rc.right, rc.bottom);
333
334 EndPaint(hWnd, &ps);
335 }
336
337 static void SB_OnLButtonDown(HWND hWnd, WPARAM wParam, LPARAM lParam)
338 {
339 SetCapture(hWnd);
340 }
341
342 static void SB_OnLButtonUp(HWND hWnd, WPARAM wParam, LPARAM lParam)
343 {
344 HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, 0);
345 POINT pt;
346
347 pt.x = (short)LOWORD(lParam);
348 pt.y = (short)HIWORD(lParam);
349
350 /* update the window sizes */
351 pHHInfo->WinType.iNavWidth += pt.x;
352 Help_OnSize(hWnd);
353
354 ReleaseCapture();
355 }
356
357 static void SB_OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM lParam)
358 {
359 /* ignore WM_MOUSEMOVE if not dragging the SizeBar */
360 if (!(wParam & MK_LBUTTON))
361 return;
362 }
363
364 static LRESULT CALLBACK SizeBar_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
365 {
366 switch (message)
367 {
368 case WM_LBUTTONDOWN:
369 SB_OnLButtonDown(hWnd, wParam, lParam);
370 break;
371 case WM_LBUTTONUP:
372 SB_OnLButtonUp(hWnd, wParam, lParam);
373 break;
374 case WM_MOUSEMOVE:
375 SB_OnMouseMove(hWnd, wParam, lParam);
376 break;
377 case WM_PAINT:
378 SB_OnPaint(hWnd);
379 break;
380 default:
381 return DefWindowProcW(hWnd, message, wParam, lParam);
382 }
383
384 return 0;
385 }
386
387 static void HH_RegisterSizeBarClass(HHInfo *pHHInfo)
388 {
389 WNDCLASSEXW wcex;
390
391 wcex.cbSize = sizeof(WNDCLASSEXW);
392 wcex.style = 0;
393 wcex.lpfnWndProc = SizeBar_WndProc;
394 wcex.cbClsExtra = 0;
395 wcex.cbWndExtra = sizeof(LONG_PTR);
396 wcex.hInstance = hhctrl_hinstance;
397 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
398 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_SIZEWE);
399 wcex.hbrBackground = (HBRUSH)(COLOR_MENU + 1);
400 wcex.lpszMenuName = NULL;
401 wcex.lpszClassName = szSizeBarClass;
402 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
403
404 RegisterClassExW(&wcex);
405 }
406
407 static void SB_GetSizeBarRect(HHInfo *info, RECT *rc)
408 {
409 RECT rectWND, rectTB, rectNP;
410
411 GetClientRect(info->WinType.hwndHelp, &rectWND);
412 GetClientRect(info->WinType.hwndToolBar, &rectTB);
413 GetClientRect(info->WinType.hwndNavigation, &rectNP);
414
415 SetRect(rc, rectNP.right, rectTB.bottom, SIZEBAR_WIDTH, rectWND.bottom - rectTB.bottom);
416 }
417
418 static BOOL HH_AddSizeBar(HHInfo *pHHInfo)
419 {
420 HWND hWnd;
421 HWND hwndParent = pHHInfo->WinType.hwndHelp;
422 DWORD dwStyles = WS_CHILDWINDOW | WS_OVERLAPPED;
423 DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
424 RECT rc;
425
426 if (navigation_visible(pHHInfo))
427 dwStyles |= WS_VISIBLE;
428
429 SB_GetSizeBarRect(pHHInfo, &rc);
430
431 hWnd = CreateWindowExW(dwExStyles, szSizeBarClass, szEmpty, dwStyles,
432 rc.left, rc.top, rc.right, rc.bottom,
433 hwndParent, NULL, hhctrl_hinstance, NULL);
434 if (!hWnd)
435 return FALSE;
436
437 /* store the pointer to the HH info struct */
438 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)pHHInfo);
439
440 pHHInfo->hwndSizeBar = hWnd;
441 return TRUE;
442 }
443
444 /* Child Window */
445
446 static const WCHAR szChildClass[] = {
447 'H','H',' ','C','h','i','l','d',0
448 };
449
450 static LRESULT Child_OnPaint(HWND hWnd)
451 {
452 PAINTSTRUCT ps;
453 HDC hdc;
454 RECT rc;
455
456 hdc = BeginPaint(hWnd, &ps);
457
458 /* Only paint the Navigation pane, identified by the fact
459 * that it has a child window
460 */
461 if (GetWindow(hWnd, GW_CHILD))
462 {
463 GetClientRect(hWnd, &rc);
464
465 /* set the border color */
466 SelectObject(hdc, GetStockObject(DC_PEN));
467 SetDCPenColor(hdc, GetSysColor(COLOR_BTNSHADOW));
468
469 /* Draw the top border */
470 LineTo(hdc, rc.right, 0);
471
472 SelectObject(hdc, GetStockObject(WHITE_PEN));
473 MoveToEx(hdc, 0, 1, NULL);
474 LineTo(hdc, rc.right, 1);
475 }
476
477 EndPaint(hWnd, &ps);
478
479 return 0;
480 }
481
482 static void ResizeTabChild(HHInfo *info, int tab)
483 {
484 HWND hwnd = info->tabs[tab].hwnd;
485 INT width, height;
486 RECT rect, tabrc;
487 DWORD cnt;
488
489 GetClientRect(info->WinType.hwndNavigation, &rect);
490 SendMessageW(info->hwndTabCtrl, TCM_GETITEMRECT, 0, (LPARAM)&tabrc);
491 cnt = SendMessageW(info->hwndTabCtrl, TCM_GETROWCOUNT, 0, 0);
492
493 rect.left = TAB_MARGIN;
494 rect.top = TAB_TOP_PADDING + cnt*(tabrc.bottom-tabrc.top) + TAB_MARGIN;
495 rect.right -= TAB_RIGHT_PADDING + TAB_MARGIN;
496 rect.bottom -= TAB_MARGIN;
497 width = rect.right-rect.left;
498 height = rect.bottom-rect.top;
499
500 SetWindowPos(hwnd, NULL, rect.left, rect.top, width, height,
501 SWP_NOZORDER | SWP_NOACTIVATE);
502
503 switch (tab)
504 {
505 case TAB_INDEX: {
506 int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
507 int border_width = GetSystemMetrics(SM_CXBORDER);
508 int edge_width = GetSystemMetrics(SM_CXEDGE);
509
510 /* Resize the tab widget column to perfectly fit the tab window and
511 * leave sufficient space for the scroll widget.
512 */
513 SendMessageW(info->tabs[TAB_INDEX].hwnd, LVM_SETCOLUMNWIDTH, 0,
514 width-scroll_width-2*border_width-2*edge_width);
515
516 break;
517 }
518 case TAB_SEARCH: {
519 int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
520 int border_width = GetSystemMetrics(SM_CXBORDER);
521 int edge_width = GetSystemMetrics(SM_CXEDGE);
522 int top_pos = 0;
523
524 SetWindowPos(info->search.hwndEdit, NULL, 0, top_pos, width,
525 EDIT_HEIGHT, SWP_NOZORDER | SWP_NOACTIVATE);
526 top_pos += EDIT_HEIGHT + TAB_MARGIN;
527 SetWindowPos(info->search.hwndList, NULL, 0, top_pos, width,
528 height-top_pos, SWP_NOZORDER | SWP_NOACTIVATE);
529 /* Resize the tab widget column to perfectly fit the tab window and
530 * leave sufficient space for the scroll widget.
531 */
532 SendMessageW(info->search.hwndList, LVM_SETCOLUMNWIDTH, 0,
533 width-scroll_width-2*border_width-2*edge_width);
534
535 break;
536 }
537 }
538 }
539
540 static LRESULT Child_OnSize(HWND hwnd)
541 {
542 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, 0);
543 RECT rect;
544
545 if(!info || hwnd != info->WinType.hwndNavigation)
546 return 0;
547
548 GetClientRect(hwnd, &rect);
549 SetWindowPos(info->hwndTabCtrl, HWND_TOP, 0, 0,
550 rect.right - TAB_RIGHT_PADDING,
551 rect.bottom - TAB_TOP_PADDING, SWP_NOMOVE);
552
553 ResizeTabChild(info, TAB_CONTENTS);
554 ResizeTabChild(info, TAB_INDEX);
555 ResizeTabChild(info, TAB_SEARCH);
556 return 0;
557 }
558
559 static LRESULT OnTabChange(HWND hwnd)
560 {
561 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hwnd, 0);
562 int tab_id, tab_index, i;
563
564 TRACE("%p\n", hwnd);
565
566 if (!info)
567 return 0;
568
569 if(info->tabs[info->current_tab].hwnd)
570 ShowWindow(info->tabs[info->current_tab].hwnd, SW_HIDE);
571
572 tab_id = (int) SendMessageW(info->hwndTabCtrl, TCM_GETCURSEL, 0, 0);
573 /* convert the ID of the tab to an index in our tab list */
574 tab_index = -1;
575 for (i=0; i<TAB_NUMTABS; i++)
576 {
577 if (info->tabs[i].id == tab_id)
578 {
579 tab_index = i;
580 break;
581 }
582 }
583 if (tab_index == -1)
584 {
585 FIXME("Tab ID %d does not correspond to a valid index in the tab list.\n", tab_id);
586 return 0;
587 }
588 info->current_tab = tab_index;
589
590 if(info->tabs[info->current_tab].hwnd)
591 ShowWindow(info->tabs[info->current_tab].hwnd, SW_SHOW);
592
593 return 0;
594 }
595
596 static LRESULT OnTopicChange(HHInfo *info, void *user_data)
597 {
598 LPCWSTR chmfile = NULL, name = NULL, local = NULL;
599 ContentItem *citer;
600 SearchItem *siter;
601 IndexItem *iiter;
602
603 if(!user_data || !info)
604 return 0;
605
606 switch (info->current_tab)
607 {
608 case TAB_CONTENTS:
609 citer = (ContentItem *) user_data;
610 name = citer->name;
611 local = citer->local;
612 while(citer) {
613 if(citer->merge.chm_file) {
614 chmfile = citer->merge.chm_file;
615 break;
616 }
617 citer = citer->parent;
618 }
619 break;
620 case TAB_INDEX:
621 iiter = (IndexItem *) user_data;
622 if(iiter->nItems == 0) {
623 FIXME("No entries for this item!\n");
624 return 0;
625 }
626 if(iiter->nItems > 1) {
627 int i = 0;
628 LVITEMW lvi;
629
630 SendMessageW(info->popup.hwndList, LVM_DELETEALLITEMS, 0, 0);
631 for(i=0;i<iiter->nItems;i++) {
632 IndexSubItem *item = &iiter->items[i];
633 WCHAR *name = iiter->keyword;
634
635 if(!item->name)
636 item->name = GetDocumentTitle(info->pCHMInfo, item->local);
637 if(item->name)
638 name = item->name;
639 memset(&lvi, 0, sizeof(lvi));
640 lvi.iItem = i;
641 lvi.mask = LVIF_TEXT|LVIF_PARAM;
642 lvi.cchTextMax = lstrlenW(name)+1;
643 lvi.pszText = name;
644 lvi.lParam = (LPARAM) item;
645 SendMessageW(info->popup.hwndList, LVM_INSERTITEMW, 0, (LPARAM)&lvi);
646 }
647 ShowWindow(info->popup.hwndPopup, SW_SHOW);
648 return 0;
649 }
650 name = iiter->items[0].name;
651 local = iiter->items[0].local;
652 chmfile = iiter->merge.chm_file;
653 break;
654 case TAB_SEARCH:
655 siter = (SearchItem *) user_data;
656 name = siter->filename;
657 local = siter->filename;
658 chmfile = info->pCHMInfo->szFile;
659 break;
660 default:
661 FIXME("Unhandled operation for this tab!\n");
662 return 0;
663 }
664
665 if(!chmfile)
666 {
667 FIXME("No help file found for this item!\n");
668 return 0;
669 }
670
671 TRACE("name %s loal %s\n", debugstr_w(name), debugstr_w(local));
672
673 NavigateToChm(info, chmfile, local);
674 return 0;
675 }
676
677 /* Capture the Enter/Return key and send it up to Child_WndProc as an NM_RETURN message */
678 static LRESULT CALLBACK EditChild_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
679 {
680 WNDPROC editWndProc = (WNDPROC)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
681
682 if(message == WM_KEYUP && wParam == VK_RETURN)
683 {
684 NMHDR nmhdr;
685
686 nmhdr.hwndFrom = hWnd;
687 nmhdr.code = NM_RETURN;
688 SendMessageW(GetParent(GetParent(hWnd)), WM_NOTIFY, wParam, (LPARAM)&nmhdr);
689 }
690 return editWndProc(hWnd, message, wParam, lParam);
691 }
692
693 static LRESULT CALLBACK Child_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
694 {
695 switch (message)
696 {
697 case WM_PAINT:
698 return Child_OnPaint(hWnd);
699 case WM_SIZE:
700 return Child_OnSize(hWnd);
701 case WM_NOTIFY: {
702 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hWnd, 0);
703 NMHDR *nmhdr = (NMHDR*)lParam;
704
705 switch(nmhdr->code) {
706 case TCN_SELCHANGE:
707 return OnTabChange(hWnd);
708 case TVN_SELCHANGEDW:
709 return OnTopicChange(info, (void*)((NMTREEVIEWW *)lParam)->itemNew.lParam);
710 case TVN_ITEMEXPANDINGW: {
711 TVITEMW *item = &((NMTREEVIEWW *)lParam)->itemNew;
712 HWND hwndTreeView = info->tabs[TAB_CONTENTS].hwnd;
713
714 item->mask = TVIF_IMAGE|TVIF_SELECTEDIMAGE;
715 if (item->state & TVIS_EXPANDED)
716 {
717 item->iImage = HHTV_FOLDER;
718 item->iSelectedImage = HHTV_FOLDER;
719 }
720 else
721 {
722 item->iImage = HHTV_OPENFOLDER;
723 item->iSelectedImage = HHTV_OPENFOLDER;
724 }
725 SendMessageW(hwndTreeView, TVM_SETITEMW, 0, (LPARAM)item);
726 return 0;
727 }
728 case NM_DBLCLK:
729 if(!info)
730 return 0;
731 switch(info->current_tab)
732 {
733 case TAB_INDEX:
734 return OnTopicChange(info, (void*)((NMITEMACTIVATE *)lParam)->lParam);
735 case TAB_SEARCH:
736 return OnTopicChange(info, (void*)((NMITEMACTIVATE *)lParam)->lParam);
737 }
738 break;
739 case NM_RETURN:
740 if(!info)
741 return 0;
742 switch(info->current_tab) {
743 case TAB_INDEX: {
744 HWND hwndList = info->tabs[TAB_INDEX].hwnd;
745 LVITEMW lvItem;
746
747 lvItem.iItem = (int) SendMessageW(hwndList, LVM_GETSELECTIONMARK, 0, 0);
748 lvItem.mask = TVIF_PARAM;
749 SendMessageW(hwndList, LVM_GETITEMW, 0, (LPARAM)&lvItem);
750 OnTopicChange(info, (void*) lvItem.lParam);
751 return 0;
752 }
753 case TAB_SEARCH: {
754 if(nmhdr->hwndFrom == info->search.hwndEdit) {
755 char needle[100];
756 DWORD i, len;
757
758 len = GetWindowTextA(info->search.hwndEdit, needle, sizeof(needle));
759 if(!len)
760 {
761 FIXME("Unable to get search text.\n");
762 return 0;
763 }
764 /* Convert the requested text for comparison later against the
765 * lower case version of HTML file contents.
766 */
767 for(i=0;i<len;i++)
768 needle[i] = tolower(needle[i]);
769 InitSearch(info, needle);
770 return 0;
771 }else if(nmhdr->hwndFrom == info->search.hwndList) {
772 HWND hwndList = info->search.hwndList;
773 LVITEMW lvItem;
774
775 lvItem.iItem = (int) SendMessageW(hwndList, LVM_GETSELECTIONMARK, 0, 0);
776 lvItem.mask = TVIF_PARAM;
777 SendMessageW(hwndList, LVM_GETITEMW, 0, (LPARAM)&lvItem);
778 OnTopicChange(info, (void*) lvItem.lParam);
779 return 0;
780 }
781 break;
782 }
783 }
784 break;
785 }
786 break;
787 }
788 default:
789 return DefWindowProcW(hWnd, message, wParam, lParam);
790 }
791
792 return 0;
793 }
794
795 static void HH_RegisterChildWndClass(HHInfo *pHHInfo)
796 {
797 WNDCLASSEXW wcex;
798
799 wcex.cbSize = sizeof(WNDCLASSEXW);
800 wcex.style = 0;
801 wcex.lpfnWndProc = Child_WndProc;
802 wcex.cbClsExtra = 0;
803 wcex.cbWndExtra = sizeof(LONG_PTR);
804 wcex.hInstance = hhctrl_hinstance;
805 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
806 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
807 wcex.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
808 wcex.lpszMenuName = NULL;
809 wcex.lpszClassName = szChildClass;
810 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
811
812 RegisterClassExW(&wcex);
813 }
814
815 /* Toolbar */
816
817 #define ICON_SIZE 20
818
819 static void DisplayPopupMenu(HHInfo *info)
820 {
821 HMENU menu, submenu;
822 TBBUTTONINFOW button;
823 MENUITEMINFOW item;
824 POINT coords;
825 RECT rect;
826 DWORD index;
827
828 menu = LoadMenuW(hhctrl_hinstance, MAKEINTRESOURCEW(MENU_POPUP));
829
830 if (!menu)
831 return;
832
833 submenu = GetSubMenu(menu, 0);
834
835 /* Update the Show/Hide menu item */
836 item.cbSize = sizeof(MENUITEMINFOW);
837 item.fMask = MIIM_FTYPE | MIIM_STATE | MIIM_STRING;
838 item.fType = MFT_STRING;
839 item.fState = MF_ENABLED;
840
841 if (info->WinType.fNotExpanded)
842 item.dwTypeData = HH_LoadString(IDS_SHOWTABS);
843 else
844 item.dwTypeData = HH_LoadString(IDS_HIDETABS);
845
846 SetMenuItemInfoW(submenu, IDTB_EXPAND, FALSE, &item);
847 heap_free(item.dwTypeData);
848
849 /* Find the index toolbar button */
850 button.cbSize = sizeof(TBBUTTONINFOW);
851 button.dwMask = TBIF_COMMAND;
852 index = SendMessageW(info->WinType.hwndToolBar, TB_GETBUTTONINFOW, IDTB_OPTIONS, (LPARAM) &button);
853
854 if (index == -1)
855 return;
856
857 /* Get position */
858 SendMessageW(info->WinType.hwndToolBar, TB_GETITEMRECT, index, (LPARAM) &rect);
859
860 coords.x = rect.left;
861 coords.y = rect.bottom;
862
863 ClientToScreen(info->WinType.hwndToolBar, &coords);
864 TrackPopupMenu(submenu, TPM_LEFTALIGN | TPM_TOPALIGN | TPM_LEFTBUTTON | TPM_NOANIMATION, coords.x, coords.y, 0, info->WinType.hwndHelp, NULL);
865 }
866
867 static void TB_OnClick(HWND hWnd, DWORD dwID)
868 {
869 HHInfo *info = (HHInfo *)GetWindowLongPtrW(hWnd, 0);
870
871 switch (dwID)
872 {
873 case IDTB_STOP:
874 DoPageAction(info->web_browser, WB_STOP);
875 break;
876 case IDTB_REFRESH:
877 DoPageAction(info->web_browser, WB_REFRESH);
878 break;
879 case IDTB_BACK:
880 DoPageAction(info->web_browser, WB_GOBACK);
881 break;
882 case IDTB_HOME:
883 NavigateToChm(info, info->pCHMInfo->szFile, info->WinType.pszHome);
884 break;
885 case IDTB_FORWARD:
886 DoPageAction(info->web_browser, WB_GOFORWARD);
887 break;
888 case IDTB_PRINT:
889 DoPageAction(info->web_browser, WB_PRINT);
890 break;
891 case IDTB_EXPAND:
892 case IDTB_CONTRACT:
893 ExpandContract(info);
894 break;
895 case IDTB_SYNC:
896 DoSync(info);
897 break;
898 case IDTB_OPTIONS:
899 DisplayPopupMenu(info);
900 break;
901 case IDTB_NOTES:
902 case IDTB_CONTENTS:
903 case IDTB_INDEX:
904 case IDTB_SEARCH:
905 case IDTB_HISTORY:
906 case IDTB_FAVORITES:
907 /* These are officially unimplemented as of the Windows 7 SDK */
908 break;
909 case IDTB_BROWSE_FWD:
910 case IDTB_BROWSE_BACK:
911 case IDTB_JUMP1:
912 case IDTB_JUMP2:
913 case IDTB_CUSTOMIZE:
914 case IDTB_ZOOM:
915 case IDTB_TOC_NEXT:
916 case IDTB_TOC_PREV:
917 break;
918 }
919 }
920
921 static void TB_AddButton(TBBUTTON *pButtons, DWORD dwIndex, DWORD dwID, DWORD dwBitmap)
922 {
923 pButtons[dwIndex].iBitmap = dwBitmap;
924 pButtons[dwIndex].idCommand = dwID;
925 pButtons[dwIndex].fsState = TBSTATE_ENABLED;
926 pButtons[dwIndex].fsStyle = BTNS_BUTTON;
927 pButtons[dwIndex].dwData = 0;
928 pButtons[dwIndex].iString = 0;
929 }
930
931 static void TB_AddButtonsFromFlags(HHInfo *pHHInfo, TBBUTTON *pButtons, DWORD dwButtonFlags, LPDWORD pdwNumButtons)
932 {
933 int nHistBitmaps = 0, nStdBitmaps = 0, nHHBitmaps = 0;
934 HWND hToolbar = pHHInfo->WinType.hwndToolBar;
935 TBADDBITMAP tbAB;
936 DWORD unsupported;
937
938 /* Common bitmaps */
939 tbAB.hInst = HINST_COMMCTRL;
940 tbAB.nID = IDB_HIST_LARGE_COLOR;
941 nHistBitmaps = SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
942 tbAB.nID = IDB_STD_LARGE_COLOR;
943 nStdBitmaps = SendMessageW(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&tbAB);
944 /* hhctrl.ocx bitmaps */
945 tbAB.hInst = hhctrl_hinstance;
946 tbAB.nID = IDB_HHTOOLBAR;
947 nHHBitmaps = SendMessageW(hToolbar, TB_ADDBITMAP, HHTB_NUMBITMAPS, (LPARAM)&tbAB);
948
949 *pdwNumButtons = 0;
950
951 unsupported = dwButtonFlags & (HHWIN_BUTTON_BROWSE_FWD |
952 HHWIN_BUTTON_BROWSE_BCK | HHWIN_BUTTON_NOTES | HHWIN_BUTTON_CONTENTS |
953 HHWIN_BUTTON_INDEX | HHWIN_BUTTON_SEARCH | HHWIN_BUTTON_HISTORY |
954 HHWIN_BUTTON_FAVORITES | HHWIN_BUTTON_JUMP1 | HHWIN_BUTTON_JUMP2 |
955 HHWIN_BUTTON_ZOOM | HHWIN_BUTTON_TOC_NEXT | HHWIN_BUTTON_TOC_PREV);
956 if (unsupported)
957 FIXME("got asked for unsupported buttons: %06x\n", unsupported);
958
959 if (dwButtonFlags & HHWIN_BUTTON_EXPAND)
960 {
961 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_EXPAND, nHHBitmaps + HHTB_EXPAND);
962 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_CONTRACT, nHHBitmaps + HHTB_CONTRACT);
963
964 if (pHHInfo->WinType.fNotExpanded)
965 pButtons[1].fsState |= TBSTATE_HIDDEN;
966 else
967 pButtons[0].fsState |= TBSTATE_HIDDEN;
968 }
969
970 if (dwButtonFlags & HHWIN_BUTTON_BACK)
971 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_BACK, nHistBitmaps + HIST_BACK);
972
973 if (dwButtonFlags & HHWIN_BUTTON_FORWARD)
974 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_FORWARD, nHistBitmaps + HIST_FORWARD);
975
976 if (dwButtonFlags & HHWIN_BUTTON_STOP)
977 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_STOP, nHHBitmaps + HHTB_STOP);
978
979 if (dwButtonFlags & HHWIN_BUTTON_REFRESH)
980 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_REFRESH, nHHBitmaps + HHTB_REFRESH);
981
982 if (dwButtonFlags & HHWIN_BUTTON_HOME)
983 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_HOME, nHHBitmaps + HHTB_HOME);
984
985 if (dwButtonFlags & HHWIN_BUTTON_SYNC)
986 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_SYNC, nHHBitmaps + HHTB_SYNC);
987
988 if (dwButtonFlags & HHWIN_BUTTON_OPTIONS)
989 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_OPTIONS, nStdBitmaps + STD_PROPERTIES);
990
991 if (dwButtonFlags & HHWIN_BUTTON_PRINT)
992 TB_AddButton(pButtons, (*pdwNumButtons)++, IDTB_PRINT, nStdBitmaps + STD_PRINT);
993 }
994
995 static BOOL HH_AddToolbar(HHInfo *pHHInfo)
996 {
997 HWND hToolbar;
998 HWND hwndParent = pHHInfo->WinType.hwndHelp;
999 DWORD toolbarFlags;
1000 TBBUTTON buttons[IDTB_TOC_PREV - IDTB_EXPAND];
1001 DWORD dwStyles, dwExStyles;
1002 DWORD dwNumButtons, dwIndex;
1003
1004 if (pHHInfo->WinType.fsWinProperties & HHWIN_PARAM_TB_FLAGS)
1005 toolbarFlags = pHHInfo->WinType.fsToolBarFlags;
1006 else
1007 toolbarFlags = HHWIN_DEF_BUTTONS;
1008
1009 dwStyles = WS_CHILDWINDOW | TBSTYLE_FLAT | TBSTYLE_WRAPABLE | TBSTYLE_TOOLTIPS | CCS_NODIVIDER;
1010 dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
1011
1012 hToolbar = CreateWindowExW(dwExStyles, TOOLBARCLASSNAMEW, NULL, dwStyles,
1013 0, 0, 0, 0, hwndParent, NULL,
1014 hhctrl_hinstance, NULL);
1015 if (!hToolbar)
1016 return FALSE;
1017 pHHInfo->WinType.hwndToolBar = hToolbar;
1018
1019 SendMessageW(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(ICON_SIZE, ICON_SIZE));
1020 SendMessageW(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
1021 SendMessageW(hToolbar, WM_SETFONT, (WPARAM)pHHInfo->hFont, TRUE);
1022
1023 TB_AddButtonsFromFlags(pHHInfo, buttons, toolbarFlags, &dwNumButtons);
1024
1025 for (dwIndex = 0; dwIndex < dwNumButtons; dwIndex++)
1026 {
1027 LPWSTR szBuf = HH_LoadString(buttons[dwIndex].idCommand);
1028 DWORD dwLen = lstrlenW(szBuf);
1029 szBuf[dwLen + 1] = 0; /* Double-null terminate */
1030
1031 buttons[dwIndex].iString = (DWORD)SendMessageW(hToolbar, TB_ADDSTRINGW, 0, (LPARAM)szBuf);
1032 heap_free(szBuf);
1033 }
1034
1035 SendMessageW(hToolbar, TB_ADDBUTTONSW, dwNumButtons, (LPARAM)buttons);
1036 SendMessageW(hToolbar, TB_AUTOSIZE, 0, 0);
1037 if (pHHInfo->WinType.fsWinProperties & HHWIN_PROP_TRI_PANE)
1038 ShowWindow(hToolbar, SW_SHOW);
1039
1040 return TRUE;
1041 }
1042
1043 /* Navigation Pane */
1044
1045 static void NP_GetNavigationRect(HHInfo *pHHInfo, RECT *rc)
1046 {
1047 HWND hwndParent = pHHInfo->WinType.hwndHelp;
1048 HWND hwndToolbar = pHHInfo->WinType.hwndToolBar;
1049 RECT rectWND, rectTB;
1050
1051 GetClientRect(hwndParent, &rectWND);
1052 GetClientRect(hwndToolbar, &rectTB);
1053
1054 rc->left = 0;
1055 rc->top = rectTB.bottom;
1056 rc->bottom = rectWND.bottom - rectTB.bottom;
1057
1058 if (!(pHHInfo->WinType.fsValidMembers & HHWIN_PARAM_NAV_WIDTH) &&
1059 pHHInfo->WinType.iNavWidth == 0)
1060 {
1061 pHHInfo->WinType.iNavWidth = WINTYPE_DEFAULT_NAVWIDTH;
1062 }
1063
1064 rc->right = pHHInfo->WinType.iNavWidth;
1065 }
1066
1067 static DWORD NP_CreateTab(HINSTANCE hInstance, HWND hwndTabCtrl, DWORD index)
1068 {
1069 TCITEMW tie;
1070 LPWSTR tabText = HH_LoadString(index);
1071 DWORD ret;
1072
1073 tie.mask = TCIF_TEXT;
1074 tie.pszText = tabText;
1075
1076 ret = SendMessageW( hwndTabCtrl, TCM_INSERTITEMW, index, (LPARAM)&tie );
1077
1078 heap_free(tabText);
1079 return ret;
1080 }
1081
1082 static BOOL HH_AddNavigationPane(HHInfo *info)
1083 {
1084 HWND hWnd, hwndTabCtrl;
1085 HWND hwndParent = info->WinType.hwndHelp;
1086 DWORD dwStyles = WS_CHILDWINDOW;
1087 DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR;
1088 RECT rc;
1089
1090 if (navigation_visible(info))
1091 dwStyles |= WS_VISIBLE;
1092
1093 NP_GetNavigationRect(info, &rc);
1094
1095 hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
1096 rc.left, rc.top, rc.right, rc.bottom,
1097 hwndParent, NULL, hhctrl_hinstance, NULL);
1098 if (!hWnd)
1099 return FALSE;
1100
1101 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)info);
1102
1103 hwndTabCtrl = CreateWindowExW(dwExStyles, WC_TABCONTROLW, szEmpty, dwStyles | WS_VISIBLE,
1104 0, TAB_TOP_PADDING,
1105 rc.right - TAB_RIGHT_PADDING,
1106 rc.bottom - TAB_TOP_PADDING,
1107 hWnd, NULL, hhctrl_hinstance, NULL);
1108 if (!hwndTabCtrl)
1109 return FALSE;
1110
1111 if (*info->WinType.pszToc)
1112 info->tabs[TAB_CONTENTS].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_CONTENTS);
1113
1114 if (*info->WinType.pszIndex)
1115 info->tabs[TAB_INDEX].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_INDEX);
1116
1117 if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_SEARCH)
1118 info->tabs[TAB_SEARCH].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_SEARCH);
1119
1120 if (info->WinType.fsWinProperties & HHWIN_PROP_TAB_FAVORITES)
1121 info->tabs[TAB_FAVORITES].id = NP_CreateTab(hhctrl_hinstance, hwndTabCtrl, IDS_FAVORITES);
1122
1123 SendMessageW(hwndTabCtrl, WM_SETFONT, (WPARAM)info->hFont, TRUE);
1124
1125 info->hwndTabCtrl = hwndTabCtrl;
1126 info->WinType.hwndNavigation = hWnd;
1127 return TRUE;
1128 }
1129
1130 /* HTML Pane */
1131
1132 static void HP_GetHTMLRect(HHInfo *info, RECT *rc)
1133 {
1134 RECT rectTB, rectWND, rectNP, rectSB;
1135
1136 GetClientRect(info->WinType.hwndHelp, &rectWND);
1137 GetClientRect(info->hwndSizeBar, &rectSB);
1138
1139 rc->left = 0;
1140 rc->top = 0;
1141 if (navigation_visible(info))
1142 {
1143 GetClientRect(info->WinType.hwndNavigation, &rectNP);
1144 rc->left += rectNP.right + rectSB.right;
1145 }
1146 if (info->WinType.fsWinProperties & HHWIN_PROP_TRI_PANE)
1147 {
1148 GetClientRect(info->WinType.hwndToolBar, &rectTB);
1149 rc->top += rectTB.bottom;
1150 }
1151 rc->right = rectWND.right - rc->left;
1152 rc->bottom = rectWND.bottom - rc->top;
1153 }
1154
1155 static BOOL HH_AddHTMLPane(HHInfo *pHHInfo)
1156 {
1157 HWND hWnd;
1158 HWND hwndParent = pHHInfo->WinType.hwndHelp;
1159 DWORD dwStyles = WS_CHILDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN;
1160 DWORD dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR | WS_EX_CLIENTEDGE;
1161 RECT rc;
1162
1163 HP_GetHTMLRect(pHHInfo, &rc);
1164
1165 hWnd = CreateWindowExW(dwExStyles, szChildClass, szEmpty, dwStyles,
1166 rc.left, rc.top, rc.right, rc.bottom,
1167 hwndParent, NULL, hhctrl_hinstance, NULL);
1168 if (!hWnd)
1169 return FALSE;
1170
1171 if (!InitWebBrowser(pHHInfo, hWnd))
1172 return FALSE;
1173
1174 /* store the pointer to the HH info struct */
1175 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)pHHInfo);
1176
1177 ShowWindow(hWnd, SW_SHOW);
1178 UpdateWindow(hWnd);
1179
1180 pHHInfo->WinType.hwndHTML = hWnd;
1181 return TRUE;
1182 }
1183
1184 static BOOL AddContentTab(HHInfo *info)
1185 {
1186 HIMAGELIST hImageList;
1187 HBITMAP hBitmap;
1188 HWND hWnd;
1189
1190 if(info->tabs[TAB_CONTENTS].id == -1)
1191 return TRUE; /* No "Contents" tab */
1192 hWnd = CreateWindowExW(WS_EX_CLIENTEDGE, WC_TREEVIEWW, szEmpty, WS_CHILD | WS_BORDER | TVS_LINESATROOT
1193 | TVS_SHOWSELALWAYS | TVS_HASBUTTONS, 50, 50, 100, 100,
1194 info->WinType.hwndNavigation, NULL, hhctrl_hinstance, NULL);
1195 if(!hWnd) {
1196 ERR("Could not create treeview control\n");
1197 return FALSE;
1198 }
1199
1200 hImageList = ImageList_Create(16, 16, ILC_COLOR32, 0, HHTV_NUMBITMAPS);
1201 hBitmap = LoadBitmapW(hhctrl_hinstance, MAKEINTRESOURCEW(IDB_HHTREEVIEW));
1202 ImageList_Add(hImageList, hBitmap, NULL);
1203 SendMessageW(hWnd, TVM_SETIMAGELIST, TVSIL_NORMAL, (LPARAM)hImageList);
1204
1205 info->contents.hImageList = hImageList;
1206 info->tabs[TAB_CONTENTS].hwnd = hWnd;
1207 ResizeTabChild(info, TAB_CONTENTS);
1208 ShowWindow(hWnd, SW_SHOW);
1209
1210 return TRUE;
1211 }
1212
1213 static BOOL AddIndexTab(HHInfo *info)
1214 {
1215 char hidden_column[] = "Column";
1216 LVCOLUMNA lvc;
1217
1218 if(info->tabs[TAB_INDEX].id == -1)
1219 return TRUE; /* No "Index" tab */
1220 info->tabs[TAB_INDEX].hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW,
1221 szEmpty, WS_CHILD | WS_BORDER | LVS_SINGLESEL | LVS_REPORT | LVS_NOCOLUMNHEADER, 50, 50, 100, 100,
1222 info->WinType.hwndNavigation, NULL, hhctrl_hinstance, NULL);
1223 if(!info->tabs[TAB_INDEX].hwnd) {
1224 ERR("Could not create ListView control\n");
1225 return FALSE;
1226 }
1227 memset(&lvc, 0, sizeof(lvc));
1228 lvc.mask = LVCF_TEXT;
1229 lvc.pszText = hidden_column;
1230 if(SendMessageW(info->tabs[TAB_INDEX].hwnd, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
1231 {
1232 ERR("Could not create ListView column\n");
1233 return FALSE;
1234 }
1235
1236 ResizeTabChild(info, TAB_INDEX);
1237 ShowWindow(info->tabs[TAB_INDEX].hwnd, SW_HIDE);
1238
1239 return TRUE;
1240 }
1241
1242 static BOOL AddSearchTab(HHInfo *info)
1243 {
1244 HWND hwndList, hwndEdit, hwndContainer;
1245 char hidden_column[] = "Column";
1246 WNDPROC editWndProc;
1247 LVCOLUMNA lvc;
1248
1249 if(info->tabs[TAB_SEARCH].id == -1)
1250 return TRUE; /* No "Search" tab */
1251 hwndContainer = CreateWindowExW(WS_EX_CONTROLPARENT, szChildClass, szEmpty,
1252 WS_CHILD, 0, 0, 0, 0, info->WinType.hwndNavigation,
1253 NULL, hhctrl_hinstance, NULL);
1254 if(!hwndContainer) {
1255 ERR("Could not create search window container control.\n");
1256 return FALSE;
1257 }
1258 hwndEdit = CreateWindowExW(WS_EX_CLIENTEDGE, WC_EDITW, szEmpty, WS_CHILD
1259 | WS_VISIBLE | ES_LEFT | SS_NOTIFY, 0, 0, 0, 0,
1260 hwndContainer, NULL, hhctrl_hinstance, NULL);
1261 if(!hwndEdit) {
1262 ERR("Could not create search ListView control.\n");
1263 return FALSE;
1264 }
1265 if(SendMessageW(hwndEdit, WM_SETFONT, (WPARAM) info->hFont, (LPARAM) FALSE) == -1)
1266 {
1267 ERR("Could not set font for edit control.\n");
1268 return FALSE;
1269 }
1270 editWndProc = (WNDPROC) SetWindowLongPtrW(hwndEdit, GWLP_WNDPROC, (LONG_PTR)EditChild_WndProc);
1271 if(!editWndProc) {
1272 ERR("Could not redirect messages for edit control.\n");
1273 return FALSE;
1274 }
1275 SetWindowLongPtrW(hwndEdit, GWLP_USERDATA, (LONG_PTR)editWndProc);
1276 hwndList = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW, szEmpty,
1277 WS_CHILD | WS_VISIBLE | WS_BORDER | LVS_SINGLESEL
1278 | LVS_REPORT | LVS_NOCOLUMNHEADER, 0, 0, 0, 0,
1279 hwndContainer, NULL, hhctrl_hinstance, NULL);
1280 if(!hwndList) {
1281 ERR("Could not create search ListView control.\n");
1282 return FALSE;
1283 }
1284 memset(&lvc, 0, sizeof(lvc));
1285 lvc.mask = LVCF_TEXT;
1286 lvc.pszText = hidden_column;
1287 if(SendMessageW(hwndList, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
1288 {
1289 ERR("Could not create ListView column\n");
1290 return FALSE;
1291 }
1292
1293 info->search.hwndEdit = hwndEdit;
1294 info->search.hwndList = hwndList;
1295 info->search.hwndContainer = hwndContainer;
1296 info->tabs[TAB_SEARCH].hwnd = hwndContainer;
1297
1298 SetWindowLongPtrW(hwndContainer, 0, (LONG_PTR)info);
1299
1300 ResizeTabChild(info, TAB_SEARCH);
1301
1302 return TRUE;
1303 }
1304
1305 /* The Index tab's sub-topic popup */
1306
1307 static void ResizePopupChild(HHInfo *info)
1308 {
1309 int scroll_width = GetSystemMetrics(SM_CXVSCROLL);
1310 int border_width = GetSystemMetrics(SM_CXBORDER);
1311 int edge_width = GetSystemMetrics(SM_CXEDGE);
1312 INT width, height;
1313 RECT rect;
1314
1315 if(!info)
1316 return;
1317
1318 GetClientRect(info->popup.hwndPopup, &rect);
1319 SetWindowPos(info->popup.hwndCallback, HWND_TOP, 0, 0,
1320 rect.right, rect.bottom, SWP_NOMOVE);
1321
1322 rect.left = TAB_MARGIN;
1323 rect.top = TAB_TOP_PADDING + TAB_MARGIN;
1324 rect.right -= TAB_RIGHT_PADDING + TAB_MARGIN;
1325 rect.bottom -= TAB_MARGIN;
1326 width = rect.right-rect.left;
1327 height = rect.bottom-rect.top;
1328
1329 SetWindowPos(info->popup.hwndList, NULL, rect.left, rect.top, width, height,
1330 SWP_NOZORDER | SWP_NOACTIVATE);
1331
1332 SendMessageW(info->popup.hwndList, LVM_SETCOLUMNWIDTH, 0,
1333 width-scroll_width-2*border_width-2*edge_width);
1334 }
1335
1336 static LRESULT CALLBACK HelpPopup_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1337 {
1338 HHInfo *info = (HHInfo *)GetWindowLongPtrW(hWnd, 0);
1339
1340 switch (message)
1341 {
1342 case WM_SIZE:
1343 ResizePopupChild(info);
1344 return 0;
1345 case WM_DESTROY:
1346 DestroyWindow(hWnd);
1347 return 0;
1348 case WM_CLOSE:
1349 ShowWindow(hWnd, SW_HIDE);
1350 return 0;
1351
1352 default:
1353 return DefWindowProcW(hWnd, message, wParam, lParam);
1354 }
1355
1356 return 0;
1357 }
1358
1359 static LRESULT CALLBACK PopupChild_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1360 {
1361 switch (message)
1362 {
1363 case WM_NOTIFY: {
1364 NMHDR *nmhdr = (NMHDR*)lParam;
1365 switch(nmhdr->code)
1366 {
1367 case NM_DBLCLK: {
1368 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hWnd, 0);
1369 IndexSubItem *iter;
1370
1371 if(info == 0 || lParam == 0)
1372 return 0;
1373 iter = (IndexSubItem*) ((NMITEMACTIVATE *)lParam)->lParam;
1374 if(iter == 0)
1375 return 0;
1376 NavigateToChm(info, info->index->merge.chm_file, iter->local);
1377 ShowWindow(info->popup.hwndPopup, SW_HIDE);
1378 return 0;
1379 }
1380 case NM_RETURN: {
1381 HHInfo *info = (HHInfo*)GetWindowLongPtrW(hWnd, 0);
1382 IndexSubItem *iter;
1383 LVITEMW lvItem;
1384
1385 if(info == 0)
1386 return 0;
1387
1388 lvItem.iItem = (int) SendMessageW(info->popup.hwndList, LVM_GETSELECTIONMARK, 0, 0);
1389 lvItem.mask = TVIF_PARAM;
1390 SendMessageW(info->popup.hwndList, LVM_GETITEMW, 0, (LPARAM)&lvItem);
1391 iter = (IndexSubItem*) lvItem.lParam;
1392 NavigateToChm(info, info->index->merge.chm_file, iter->local);
1393 ShowWindow(info->popup.hwndPopup, SW_HIDE);
1394 return 0;
1395 }
1396 }
1397 break;
1398 }
1399 default:
1400 return DefWindowProcW(hWnd, message, wParam, lParam);
1401 }
1402
1403 return 0;
1404 }
1405
1406 static BOOL AddIndexPopup(HHInfo *info)
1407 {
1408 static const WCHAR szPopupChildClass[] = {'H','H',' ','P','o','p','u','p',' ','C','h','i','l','d',0};
1409 static const WCHAR windowCaptionW[] = {'S','e','l','e','c','t',' ','T','o','p','i','c',':',0};
1410 static const WCHAR windowClassW[] = {'H','H',' ','P','o','p','u','p',0};
1411 HWND hwndList, hwndPopup, hwndCallback;
1412 char hidden_column[] = "Column";
1413 WNDCLASSEXW wcex;
1414 LVCOLUMNA lvc;
1415
1416 if(info->tabs[TAB_INDEX].id == -1)
1417 return TRUE; /* No "Index" tab */
1418
1419 wcex.cbSize = sizeof(WNDCLASSEXW);
1420 wcex.style = CS_HREDRAW | CS_VREDRAW;
1421 wcex.lpfnWndProc = HelpPopup_WndProc;
1422 wcex.cbClsExtra = 0;
1423 wcex.cbWndExtra = sizeof(LONG_PTR);
1424 wcex.hInstance = hhctrl_hinstance;
1425 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1426 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
1427 wcex.hbrBackground = (HBRUSH)(COLOR_MENU + 1);
1428 wcex.lpszMenuName = NULL;
1429 wcex.lpszClassName = windowClassW;
1430 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1431 RegisterClassExW(&wcex);
1432
1433 wcex.cbSize = sizeof(WNDCLASSEXW);
1434 wcex.style = 0;
1435 wcex.lpfnWndProc = PopupChild_WndProc;
1436 wcex.cbClsExtra = 0;
1437 wcex.cbWndExtra = sizeof(LONG_PTR);
1438 wcex.hInstance = hhctrl_hinstance;
1439 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1440 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
1441 wcex.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
1442 wcex.lpszMenuName = NULL;
1443 wcex.lpszClassName = szPopupChildClass;
1444 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1445 RegisterClassExW(&wcex);
1446
1447 hwndPopup = CreateWindowExW(WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW
1448 | WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR,
1449 windowClassW, windowCaptionW, WS_POPUPWINDOW
1450 | WS_OVERLAPPEDWINDOW | WS_VISIBLE
1451 | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, CW_USEDEFAULT,
1452 CW_USEDEFAULT, 300, 200, info->WinType.hwndHelp,
1453 NULL, hhctrl_hinstance, NULL);
1454 if (!hwndPopup)
1455 return FALSE;
1456
1457 hwndCallback = CreateWindowExW(WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR,
1458 szPopupChildClass, szEmpty, WS_CHILDWINDOW | WS_VISIBLE,
1459 0, 0, 0, 0,
1460 hwndPopup, NULL, hhctrl_hinstance, NULL);
1461 if (!hwndCallback)
1462 return FALSE;
1463
1464 ShowWindow(hwndPopup, SW_HIDE);
1465 hwndList = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEWW, szEmpty,
1466 WS_CHILD | WS_BORDER | LVS_SINGLESEL | LVS_REPORT
1467 | LVS_NOCOLUMNHEADER, 50, 50, 100, 100,
1468 hwndCallback, NULL, hhctrl_hinstance, NULL);
1469 if(!hwndList) {
1470 ERR("Could not create popup ListView control\n");
1471 return FALSE;
1472 }
1473 memset(&lvc, 0, sizeof(lvc));
1474 lvc.mask = LVCF_TEXT;
1475 lvc.pszText = hidden_column;
1476 if(SendMessageW(hwndList, LVM_INSERTCOLUMNA, 0, (LPARAM) &lvc) == -1)
1477 {
1478 ERR("Could not create popup ListView column\n");
1479 return FALSE;
1480 }
1481
1482 info->popup.hwndCallback = hwndCallback;
1483 info->popup.hwndPopup = hwndPopup;
1484 info->popup.hwndList = hwndList;
1485 SetWindowLongPtrW(hwndPopup, 0, (LONG_PTR)info);
1486 SetWindowLongPtrW(hwndCallback, 0, (LONG_PTR)info);
1487
1488 ResizePopupChild(info);
1489 ShowWindow(hwndList, SW_SHOW);
1490
1491 return TRUE;
1492 }
1493
1494 /* Viewer Window */
1495
1496 static void ExpandContract(HHInfo *pHHInfo)
1497 {
1498 RECT r, nav;
1499
1500 pHHInfo->WinType.fNotExpanded = !pHHInfo->WinType.fNotExpanded;
1501 GetWindowRect(pHHInfo->WinType.hwndHelp, &r);
1502 NP_GetNavigationRect(pHHInfo, &nav);
1503
1504 /* hide/show both the nav bar and the size bar */
1505 if (pHHInfo->WinType.fNotExpanded)
1506 {
1507 ShowWindow(pHHInfo->WinType.hwndNavigation, SW_HIDE);
1508 ShowWindow(pHHInfo->hwndSizeBar, SW_HIDE);
1509 r.left = r.left + nav.right;
1510
1511 SendMessageW(pHHInfo->WinType.hwndToolBar, TB_HIDEBUTTON, IDTB_EXPAND, MAKELPARAM(FALSE, 0));
1512 SendMessageW(pHHInfo->WinType.hwndToolBar, TB_HIDEBUTTON, IDTB_CONTRACT, MAKELPARAM(TRUE, 0));
1513 }
1514 else
1515 {
1516 ShowWindow(pHHInfo->WinType.hwndNavigation, SW_SHOW);
1517 ShowWindow(pHHInfo->hwndSizeBar, SW_SHOW);
1518 r.left = r.left - nav.right;
1519
1520 SendMessageW(pHHInfo->WinType.hwndToolBar, TB_HIDEBUTTON, IDTB_EXPAND, MAKELPARAM(TRUE, 0));
1521 SendMessageW(pHHInfo->WinType.hwndToolBar, TB_HIDEBUTTON, IDTB_CONTRACT, MAKELPARAM(FALSE, 0));
1522 }
1523
1524 MoveWindow(pHHInfo->WinType.hwndHelp, r.left, r.top, r.right-r.left, r.bottom-r.top, TRUE);
1525 }
1526
1527 static LRESULT Help_OnSize(HWND hWnd)
1528 {
1529 HHInfo *pHHInfo = (HHInfo *)GetWindowLongPtrW(hWnd, 0);
1530 DWORD dwSize;
1531 RECT rc;
1532
1533 if (!pHHInfo)
1534 return 0;
1535
1536 if (navigation_visible(pHHInfo))
1537 {
1538 NP_GetNavigationRect(pHHInfo, &rc);
1539 SetWindowPos(pHHInfo->WinType.hwndNavigation, HWND_TOP, 0, 0,
1540 rc.right, rc.bottom, SWP_NOMOVE);
1541
1542 SB_GetSizeBarRect(pHHInfo, &rc);
1543 SetWindowPos(pHHInfo->hwndSizeBar, HWND_TOP, rc.left, rc.top,
1544 rc.right, rc.bottom, SWP_SHOWWINDOW);
1545
1546 }
1547
1548 HP_GetHTMLRect(pHHInfo, &rc);
1549 SetWindowPos(pHHInfo->WinType.hwndHTML, HWND_TOP, rc.left, rc.top,
1550 rc.right, rc.bottom, SWP_SHOWWINDOW);
1551
1552 /* Resize browser window taking the frame size into account */
1553 dwSize = GetSystemMetrics(SM_CXFRAME);
1554 ResizeWebBrowser(pHHInfo, rc.right - dwSize, rc.bottom - dwSize);
1555
1556 return 0;
1557 }
1558
1559 void UpdateHelpWindow(HHInfo *info)
1560 {
1561 if (!info->WinType.hwndHelp)
1562 return;
1563
1564 WARN("Only the size of the window is currently updated.\n");
1565 if (info->WinType.fsValidMembers & HHWIN_PARAM_RECT)
1566 {
1567 RECT *rect = &info->WinType.rcWindowPos;
1568 INT x, y, width, height;
1569
1570 x = rect->left;
1571 y = rect->top;
1572 width = rect->right - x;
1573 height = rect->bottom - y;
1574 SetWindowPos(info->WinType.hwndHelp, NULL, rect->left, rect->top, width, height,
1575 SWP_NOZORDER | SWP_NOACTIVATE);
1576 }
1577 }
1578
1579 static LRESULT CALLBACK Help_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
1580 {
1581 switch (message)
1582 {
1583 case WM_COMMAND:
1584 if (HIWORD(wParam) == BN_CLICKED)
1585 TB_OnClick(hWnd, LOWORD(wParam));
1586 break;
1587 case WM_SIZE:
1588 return Help_OnSize(hWnd);
1589 case WM_CLOSE:
1590 ReleaseHelpViewer((HHInfo *)GetWindowLongPtrW(hWnd, 0));
1591 return 0;
1592 case WM_DESTROY:
1593 if(hh_process)
1594 PostQuitMessage(0);
1595 break;
1596
1597 default:
1598 return DefWindowProcW(hWnd, message, wParam, lParam);
1599 }
1600
1601 return 0;
1602 }
1603
1604 static BOOL HH_CreateHelpWindow(HHInfo *info)
1605 {
1606 HWND hWnd;
1607 RECT winPos = info->WinType.rcWindowPos;
1608 WNDCLASSEXW wcex;
1609 DWORD dwStyles, dwExStyles;
1610 DWORD x, y, width = 0, height = 0;
1611 LPCWSTR caption;
1612
1613 static const WCHAR windowClassW[] = {
1614 'H','H',' ', 'P','a','r','e','n','t',0
1615 };
1616
1617 wcex.cbSize = sizeof(WNDCLASSEXW);
1618 wcex.style = CS_HREDRAW | CS_VREDRAW;
1619 wcex.lpfnWndProc = Help_WndProc;
1620 wcex.cbClsExtra = 0;
1621 wcex.cbWndExtra = sizeof(LONG_PTR);
1622 wcex.hInstance = hhctrl_hinstance;
1623 wcex.hIcon = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1624 wcex.hCursor = LoadCursorW(NULL, (LPCWSTR)IDC_ARROW);
1625 wcex.hbrBackground = (HBRUSH)(COLOR_MENU + 1);
1626 wcex.lpszMenuName = NULL;
1627 wcex.lpszClassName = windowClassW;
1628 wcex.hIconSm = LoadIconW(NULL, (LPCWSTR)IDI_APPLICATION);
1629
1630 RegisterClassExW(&wcex);
1631
1632 /* Read in window parameters if available */
1633 if (info->WinType.fsValidMembers & HHWIN_PARAM_STYLES)
1634 {
1635 dwStyles = info->WinType.dwStyles;
1636 if (!(info->WinType.dwStyles & WS_CHILD))
1637 dwStyles |= WS_OVERLAPPEDWINDOW;
1638 }
1639 else
1640 dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
1641 WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
1642
1643 if (info->WinType.fsValidMembers & HHWIN_PARAM_EXSTYLES)
1644 dwExStyles = info->WinType.dwExStyles;
1645 else
1646 dwExStyles = WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_APPWINDOW |
1647 WS_EX_WINDOWEDGE | WS_EX_RIGHTSCROLLBAR;
1648
1649 if (info->WinType.fsValidMembers & HHWIN_PARAM_RECT)
1650 {
1651 x = winPos.left;
1652 y = winPos.top;
1653 width = winPos.right - x;
1654 height = winPos.bottom - y;
1655 }
1656 if (!width || !height)
1657 {
1658 x = WINTYPE_DEFAULT_X;
1659 y = WINTYPE_DEFAULT_Y;
1660 width = WINTYPE_DEFAULT_WIDTH;
1661 height = WINTYPE_DEFAULT_HEIGHT;
1662 }
1663
1664 if (!(info->WinType.fsWinProperties & HHWIN_PROP_TRI_PANE) && info->WinType.fNotExpanded)
1665 {
1666 if (!(info->WinType.fsValidMembers & HHWIN_PARAM_NAV_WIDTH) &&
1667 info->WinType.iNavWidth == 0)
1668 {
1669 info->WinType.iNavWidth = WINTYPE_DEFAULT_NAVWIDTH;
1670 }
1671
1672 x += info->WinType.iNavWidth;
1673 width -= info->WinType.iNavWidth;
1674 }
1675
1676
1677 caption = info->WinType.pszCaption;
1678 if (!*caption) caption = info->pCHMInfo->defTitle;
1679
1680 hWnd = CreateWindowExW(dwExStyles, windowClassW, caption, dwStyles, x, y, width, height,
1681 info->WinType.hwndCaller, NULL, hhctrl_hinstance, NULL);
1682 if (!hWnd)
1683 return FALSE;
1684
1685 ShowWindow(hWnd, SW_SHOW);
1686 UpdateWindow(hWnd);
1687
1688 /* store the pointer to the HH info struct */
1689 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)info);
1690
1691 info->WinType.hwndHelp = hWnd;
1692 return TRUE;
1693 }
1694
1695 static void HH_CreateFont(HHInfo *pHHInfo)
1696 {
1697 LOGFONTW lf;
1698
1699 GetObjectW(GetStockObject(DEFAULT_GUI_FONT), sizeof(LOGFONTW), &lf);
1700 lf.lfWeight = FW_NORMAL;
1701 lf.lfItalic = FALSE;
1702 lf.lfUnderline = FALSE;
1703
1704 pHHInfo->hFont = CreateFontIndirectW(&lf);
1705 }
1706
1707 static void HH_InitRequiredControls(DWORD dwControls)
1708 {
1709 INITCOMMONCONTROLSEX icex;
1710
1711 icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
1712 icex.dwICC = dwControls;
1713 InitCommonControlsEx(&icex);
1714 }
1715
1716 /* Creates the whole package */
1717 static BOOL CreateViewer(HHInfo *pHHInfo)
1718 {
1719 HH_CreateFont(pHHInfo);
1720
1721 if (!HH_CreateHelpWindow(pHHInfo))
1722 return FALSE;
1723
1724 HH_InitRequiredControls(ICC_BAR_CLASSES);
1725
1726 if (!HH_AddToolbar(pHHInfo))
1727 return FALSE;
1728
1729 HH_RegisterChildWndClass(pHHInfo);
1730
1731 if (!HH_AddNavigationPane(pHHInfo))
1732 return FALSE;
1733
1734 HH_RegisterSizeBarClass(pHHInfo);
1735
1736 if (!HH_AddSizeBar(pHHInfo))
1737 return FALSE;
1738
1739 if (!HH_AddHTMLPane(pHHInfo))
1740 return FALSE;
1741
1742 if (!AddContentTab(pHHInfo))
1743 return FALSE;
1744
1745 if (!AddIndexTab(pHHInfo))
1746 return FALSE;
1747
1748 if (!AddIndexPopup(pHHInfo))
1749 return FALSE;
1750
1751 if (!AddSearchTab(pHHInfo))
1752 return FALSE;
1753
1754 InitContent(pHHInfo);
1755 InitIndex(pHHInfo);
1756
1757 pHHInfo->viewer_initialized = TRUE;
1758 return TRUE;
1759 }
1760
1761 void wintype_stringsW_free(struct wintype_stringsW *stringsW)
1762 {
1763 heap_free(stringsW->pszType);
1764 heap_free(stringsW->pszCaption);
1765 heap_free(stringsW->pszToc);
1766 heap_free(stringsW->pszIndex);
1767 heap_free(stringsW->pszFile);
1768 heap_free(stringsW->pszHome);
1769 heap_free(stringsW->pszJump1);
1770 heap_free(stringsW->pszJump2);
1771 heap_free(stringsW->pszUrlJump1);
1772 heap_free(stringsW->pszUrlJump2);
1773 }
1774
1775 void wintype_stringsA_free(struct wintype_stringsA *stringsA)
1776 {
1777 heap_free(stringsA->pszType);
1778 heap_free(stringsA->pszCaption);
1779 heap_free(stringsA->pszToc);
1780 heap_free(stringsA->pszIndex);
1781 heap_free(stringsA->pszFile);
1782 heap_free(stringsA->pszHome);
1783 heap_free(stringsA->pszJump1);
1784 heap_free(stringsA->pszJump2);
1785 heap_free(stringsA->pszUrlJump1);
1786 heap_free(stringsA->pszUrlJump2);
1787 heap_free(stringsA->pszCustomTabs);
1788 }
1789
1790 void ReleaseHelpViewer(HHInfo *info)
1791 {
1792 TRACE("(%p)\n", info);
1793
1794 if (!info)
1795 return;
1796
1797 list_remove(&info->entry);
1798
1799 wintype_stringsA_free(&info->stringsA);
1800 wintype_stringsW_free(&info->stringsW);
1801
1802 if (info->pCHMInfo)
1803 CloseCHM(info->pCHMInfo);
1804
1805 ReleaseWebBrowser(info);
1806 ReleaseContent(info);
1807 ReleaseIndex(info);
1808 ReleaseSearch(info);
1809
1810 if(info->contents.hImageList)
1811 ImageList_Destroy(info->contents.hImageList);
1812 if(info->WinType.hwndHelp)
1813 DestroyWindow(info->WinType.hwndHelp);
1814
1815 heap_free(info);
1816 OleUninitialize();
1817 }
1818
1819 HHInfo *CreateHelpViewer(HHInfo *info, LPCWSTR filename, HWND caller)
1820 {
1821 HHInfo *tmp_info;
1822 unsigned int i;
1823
1824 if(!info)
1825 {
1826 info = heap_alloc_zero(sizeof(HHInfo));
1827 list_add_tail(&window_list, &info->entry);
1828 }
1829
1830 /* Set the invalid tab ID (-1) as the default value for all
1831 * of the tabs, this matches a failed TCM_INSERTITEM call.
1832 */
1833 for (i = 0; i < ARRAY_SIZE(info->tabs); i++)
1834 info->tabs[i].id = -1;
1835
1836 OleInitialize(NULL);
1837
1838 info->pCHMInfo = OpenCHM(filename);
1839 if(!info->pCHMInfo) {
1840 ReleaseHelpViewer(info);
1841 return NULL;
1842 }
1843
1844 if (!LoadWinTypeFromCHM(info)) {
1845 ReleaseHelpViewer(info);
1846 return NULL;
1847 }
1848 info->WinType.hwndCaller = caller;
1849
1850 /* If the window is already open then load the file in that existing window */
1851 if ((tmp_info = find_window(info->WinType.pszType)) && tmp_info != info)
1852 {
1853 ReleaseHelpViewer(info);
1854 return CreateHelpViewer(tmp_info, filename, caller);
1855 }
1856
1857 if(!info->viewer_initialized && !CreateViewer(info)) {
1858 ReleaseHelpViewer(info);
1859 return NULL;
1860 }
1861
1862 return info;
1863 }
1864
1865 /*
1866 * Search the table of HTML entities and return the corresponding ANSI symbol.
1867 */
1868 static char find_html_symbol(const char *entity, int entity_len)
1869 {
1870 int max = ARRAY_SIZE(html_encoded_symbols)-1;
1871 int min = 0, dir;
1872
1873 while(min <= max)
1874 {
1875 int pos = (min+max)/2;
1876 const char *encoded_symbol = html_encoded_symbols[pos].html_code;
1877 dir = strncmp(encoded_symbol, entity, entity_len);
1878 if(dir == 0 && !encoded_symbol[entity_len]) return html_encoded_symbols[pos].ansi_symbol;
1879 if(dir < 0)
1880 min = pos+1;
1881 else
1882 max = pos-1;
1883 }
1884 return 0;
1885 }
1886
1887 /*
1888 * Decode a string containing HTML encoded characters into a unicode string.
1889 */
1890 WCHAR *decode_html(const char *html_fragment, int html_fragment_len, UINT code_page)
1891 {
1892 const char *h = html_fragment, *amp, *sem;
1893 char symbol, *tmp;
1894 int len, tmp_len = 0;
1895 WCHAR *unicode_text;
1896
1897 tmp = heap_alloc(html_fragment_len+1);
1898 while(1)
1899 {
1900 symbol = 0;
1901 amp = strchr(h, '&');
1902 if(!amp) break;
1903 len = amp-h;
1904 /* Copy the characters prior to the HTML encoded character */
1905 memcpy(&tmp[tmp_len], h, len);
1906 tmp_len += len;
1907 amp++; /* skip ampersand */
1908 sem = strchr(amp, ';');
1909 /* Require a semicolon after the ampersand */
1910 if(!sem)
1911 {
1912 h = amp;
1913 tmp[tmp_len++] = '&';
1914 continue;
1915 }
1916 /* Find the symbol either by using the ANSI character number (prefixed by the pound symbol)
1917 * or by searching the HTML entity table */
1918 len = sem-amp;
1919 if(amp[0] == '#')
1920 {
1921 char *endnum = NULL;
1922 int tmp;
1923
1924 tmp = (char) strtol(amp, &endnum, 10);
1925 if(endnum == sem)
1926 symbol = tmp;
1927 }
1928 else
1929 symbol = find_html_symbol(amp, len);
1930 if(!symbol)
1931 {
1932 FIXME("Failed to translate HTML encoded character '&%.*s;'.\n", len, amp);
1933 h = amp;
1934 tmp[tmp_len++] = '&';
1935 continue;
1936 }
1937 /* Insert the new symbol */
1938 h = sem+1;
1939 tmp[tmp_len++] = symbol;
1940 }
1941 /* Convert any remaining characters */
1942 len = html_fragment_len-(h-html_fragment);
1943 memcpy(&tmp[tmp_len], h, len);
1944 tmp_len += len;
1945 tmp[tmp_len++] = 0; /* NULL-terminate the string */
1946
1947 len = MultiByteToWideChar(code_page, 0, tmp, tmp_len, NULL, 0);
1948 unicode_text = heap_alloc(len*sizeof(WCHAR));
1949 MultiByteToWideChar(code_page, 0, tmp, tmp_len, unicode_text, len);
1950 heap_free(tmp);
1951 return unicode_text;
1952 }
1953
1954 /* Find the HTMLHelp structure for an existing window title */
1955 HHInfo *find_window(const WCHAR *window)
1956 {
1957 HHInfo *info;
1958
1959 LIST_FOR_EACH_ENTRY(info, &window_list, HHInfo, entry)
1960 {
1961 if (lstrcmpW(info->WinType.pszType, window) == 0)
1962 return info;
1963 }
1964 return NULL;
1965 }
Windows API implementation