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[reactos.git] / base / applications / winhlp32 / winhelp.c
1 /*
2 * Help Viewer
3 *
4 * Copyright 1996 Ulrich Schmid <uschmid@mail.hh.provi.de>
5 * 2002 Sylvain Petreolle <spetreolle@yahoo.fr>
6 * 2002, 2008 Eric Pouech <eric.pouech@wanadoo.fr>
7 * 2004 Ken Belleau <jamez@ivic.qc.ca>
8 * 2008 Kirill K. Smirnov <lich@math.spbu.ru>
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 */
24
25 #include <assert.h>
26 #include <stdio.h>
27 #include <string.h>
28 #include <stdarg.h>
29 #include <stdlib.h>
30
31 #define NONAMELESSUNION
32 #define NONAMELESSSTRUCT
33
34 #include "windef.h"
35 #include "winbase.h"
36 #include "wingdi.h"
37 #include "winuser.h"
38 #include "commdlg.h"
39 #include "winhelp.h"
40 #include "winhelp_res.h"
41 #include "shellapi.h"
42 #include "richedit.h"
43 #include "commctrl.h"
44
45 #include "wine/debug.h"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
48
49 WINHELP_GLOBALS Globals = {3, NULL, TRUE, NULL, NULL, NULL, NULL, NULL, {{{NULL,NULL}},0}, NULL};
50
51 #define CTL_ID_BUTTON 0x700
52 #define CTL_ID_TEXT 0x701
53
54
55 /***********************************************************************
56 *
57 * WINHELP_InitFonts
58 */
59 static void WINHELP_InitFonts(HWND hWnd)
60 {
61 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
62 LOGFONT logfontlist[] = {
63 {-10, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
64 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
65 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
66 {-12, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
67 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
68 {-10, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
69 { -8, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"}};
70 #define FONTS_LEN (sizeof(logfontlist)/sizeof(*logfontlist))
71
72 static HFONT fonts[FONTS_LEN];
73 static BOOL init = 0;
74
75 win->fonts_len = FONTS_LEN;
76 win->fonts = fonts;
77
78 if (!init)
79 {
80 UINT i;
81
82 for (i = 0; i < FONTS_LEN; i++)
83 {
84 fonts[i] = CreateFontIndirect(&logfontlist[i]);
85 }
86
87 init = 1;
88 }
89 }
90
91 static DWORD CALLBACK WINHELP_RtfStreamIn(DWORD_PTR cookie, BYTE* buff,
92 LONG cb, LONG* pcb)
93 {
94 struct RtfData* rd = (struct RtfData*)cookie;
95
96 if (rd->where >= rd->ptr) return 1;
97 if (rd->where + cb > rd->ptr)
98 cb = rd->ptr - rd->where;
99 memcpy(buff, rd->where, cb);
100 rd->where += cb;
101 *pcb = cb;
102 return 0;
103 }
104
105 static void WINHELP_SetupText(HWND hTextWnd, WINHELP_WINDOW* win, ULONG relative)
106 {
107 /* At first clear area - needed by EM_POSFROMCHAR/EM_SETSCROLLPOS */
108 SendMessage(hTextWnd, WM_SETTEXT, 0, (LPARAM)"");
109 SendMessage(hTextWnd, WM_SETREDRAW, FALSE, 0);
110 SendMessage(hTextWnd, EM_SETBKGNDCOLOR, 0, (LPARAM)win->info->sr_color);
111 /* set word-wrap to window size (undocumented) */
112 SendMessage(hTextWnd, EM_SETTARGETDEVICE, 0, 0);
113 if (win->page)
114 {
115 struct RtfData rd;
116 EDITSTREAM es;
117 unsigned cp = 0;
118 POINTL ptl;
119 POINT pt;
120
121
122 if (HLPFILE_BrowsePage(win->page, &rd, win->font_scale, relative))
123 {
124 rd.where = rd.data;
125 es.dwCookie = (DWORD_PTR)&rd;
126 es.dwError = 0;
127 es.pfnCallback = WINHELP_RtfStreamIn;
128
129 SendMessageW(hTextWnd, EM_STREAMIN, SF_RTF, (LPARAM)&es);
130 cp = rd.char_pos_rel;
131 }
132 /* FIXME: else leaking potentially the rd.first_link chain */
133 HeapFree(GetProcessHeap(), 0, rd.data);
134 SendMessage(hTextWnd, EM_POSFROMCHAR, (WPARAM)&ptl, cp ? cp - 1 : 0);
135 pt.x = 0; pt.y = ptl.y;
136 SendMessage(hTextWnd, EM_SETSCROLLPOS, 0, (LPARAM)&pt);
137 }
138 SendMessage(hTextWnd, WM_SETREDRAW, TRUE, 0);
139 RedrawWindow(hTextWnd, NULL, NULL, RDW_FRAME|RDW_INVALIDATE);
140 }
141
142 /***********************************************************************
143 *
144 * WINHELP_GetOpenFileName
145 */
146 BOOL WINHELP_GetOpenFileName(LPSTR lpszFile, int len)
147 {
148 OPENFILENAME openfilename;
149 CHAR szDir[MAX_PATH];
150 CHAR szzFilter[2 * MAX_STRING_LEN + 100];
151 LPSTR p = szzFilter;
152
153 WINE_TRACE("()\n");
154
155 LoadString(Globals.hInstance, STID_HELP_FILES_HLP, p, MAX_STRING_LEN);
156 p += strlen(p) + 1;
157 lstrcpy(p, "*.hlp");
158 p += strlen(p) + 1;
159 LoadString(Globals.hInstance, STID_ALL_FILES, p, MAX_STRING_LEN);
160 p += strlen(p) + 1;
161 lstrcpy(p, "*.*");
162 p += strlen(p) + 1;
163 *p = '\0';
164
165 GetCurrentDirectory(sizeof(szDir), szDir);
166
167 lpszFile[0]='\0';
168
169 openfilename.lStructSize = sizeof(OPENFILENAME);
170 openfilename.hwndOwner = (Globals.active_win ? Globals.active_win->hMainWnd : 0);
171 openfilename.hInstance = Globals.hInstance;
172 openfilename.lpstrFilter = szzFilter;
173 openfilename.lpstrCustomFilter = 0;
174 openfilename.nMaxCustFilter = 0;
175 openfilename.nFilterIndex = 1;
176 openfilename.lpstrFile = lpszFile;
177 openfilename.nMaxFile = len;
178 openfilename.lpstrFileTitle = 0;
179 openfilename.nMaxFileTitle = 0;
180 openfilename.lpstrInitialDir = szDir;
181 openfilename.lpstrTitle = 0;
182 openfilename.Flags = OFN_ENABLESIZING;
183 openfilename.nFileOffset = 0;
184 openfilename.nFileExtension = 0;
185 openfilename.lpstrDefExt = 0;
186 openfilename.lCustData = 0;
187 openfilename.lpfnHook = 0;
188 openfilename.lpTemplateName = 0;
189
190 return GetOpenFileName(&openfilename);
191 }
192
193 /***********************************************************************
194 *
195 * WINHELP_MessageBoxIDS_s
196 */
197 static INT WINHELP_MessageBoxIDS_s(UINT ids_text, LPCSTR str, UINT ids_title, WORD type)
198 {
199 CHAR text[MAX_STRING_LEN];
200 CHAR newtext[MAX_STRING_LEN + MAX_PATH];
201
202 LoadString(Globals.hInstance, ids_text, text, sizeof(text));
203 wsprintf(newtext, text, str);
204
205 return MessageBox(0, newtext, MAKEINTRESOURCE(ids_title), type);
206 }
207
208 /***********************************************************************
209 *
210 * WINHELP_LookupHelpFile
211 */
212 HLPFILE* WINHELP_LookupHelpFile(LPCSTR lpszFile)
213 {
214 HLPFILE* hlpfile;
215 char szFullName[MAX_PATH];
216 char szAddPath[MAX_PATH];
217 char *p;
218
219 /*
220 * NOTE: This is needed by popup windows only.
221 * In other cases it's not needed but does not hurt though.
222 */
223 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
224 {
225 strcpy(szAddPath, Globals.active_win->page->file->lpszPath);
226 p = strrchr(szAddPath, '\\');
227 if (p) *p = 0;
228 }
229
230 /*
231 * FIXME: Should we swap conditions?
232 */
233 if (!SearchPath(NULL, lpszFile, ".hlp", MAX_PATH, szFullName, NULL) &&
234 !SearchPath(szAddPath, lpszFile, ".hlp", MAX_PATH, szFullName, NULL))
235 {
236 if (WINHELP_MessageBoxIDS_s(STID_FILE_NOT_FOUND_s, lpszFile, STID_WHERROR,
237 MB_YESNO|MB_ICONQUESTION) != IDYES)
238 return NULL;
239 if (!WINHELP_GetOpenFileName(szFullName, MAX_PATH))
240 return NULL;
241 }
242 hlpfile = HLPFILE_ReadHlpFile(szFullName);
243 if (!hlpfile)
244 WINHELP_MessageBoxIDS_s(STID_HLPFILE_ERROR_s, lpszFile,
245 STID_WHERROR, MB_OK|MB_ICONSTOP);
246 return hlpfile;
247 }
248
249 /******************************************************************
250 * WINHELP_GetWindowInfo
251 *
252 *
253 */
254 HLPFILE_WINDOWINFO* WINHELP_GetWindowInfo(HLPFILE* hlpfile, LPCSTR name)
255 {
256 static HLPFILE_WINDOWINFO mwi;
257 unsigned int i;
258
259 if (!name || !name[0])
260 name = Globals.active_win->info->name;
261
262 if (hlpfile)
263 for (i = 0; i < hlpfile->numWindows; i++)
264 if (!lstrcmpi(hlpfile->windows[i].name, name))
265 return &hlpfile->windows[i];
266
267 if (strcmp(name, "main") != 0)
268 {
269 WINE_FIXME("Couldn't find window info for %s\n", name);
270 assert(0);
271 return NULL;
272 }
273 if (!mwi.name[0])
274 {
275 strcpy(mwi.type, "primary");
276 strcpy(mwi.name, "main");
277 if (hlpfile && hlpfile->lpszTitle[0])
278 {
279 char tmp[128];
280 LoadString(Globals.hInstance, STID_WINE_HELP, tmp, sizeof(tmp));
281 snprintf(mwi.caption, sizeof(mwi.caption), "%s %s - %s",
282 hlpfile->lpszTitle, tmp, hlpfile->lpszPath);
283 }
284 else
285 LoadString(Globals.hInstance, STID_WINE_HELP, mwi.caption, sizeof(mwi.caption));
286 mwi.origin.x = mwi.origin.y = mwi.size.cx = mwi.size.cy = CW_USEDEFAULT;
287 mwi.style = SW_SHOW;
288 mwi.win_style = WS_OVERLAPPEDWINDOW;
289 mwi.sr_color = mwi.nsr_color = 0xFFFFFF;
290 }
291 return &mwi;
292 }
293
294 /******************************************************************
295 * HLPFILE_GetPopupWindowInfo
296 *
297 *
298 */
299 static HLPFILE_WINDOWINFO* WINHELP_GetPopupWindowInfo(HLPFILE* hlpfile,
300 WINHELP_WINDOW* parent, LPARAM mouse)
301 {
302 static HLPFILE_WINDOWINFO wi;
303
304 RECT parent_rect;
305
306 wi.type[0] = wi.name[0] = wi.caption[0] = '\0';
307
308 /* Calculate horizontal size and position of a popup window */
309 GetWindowRect(parent->hMainWnd, &parent_rect);
310 wi.size.cx = (parent_rect.right - parent_rect.left) / 2;
311 wi.size.cy = 10; /* need a non null value, so that border are taken into account while computing */
312
313 wi.origin.x = (short)LOWORD(mouse);
314 wi.origin.y = (short)HIWORD(mouse);
315 ClientToScreen(parent->hMainWnd, &wi.origin);
316 wi.origin.x -= wi.size.cx / 2;
317 wi.origin.x = min(wi.origin.x, GetSystemMetrics(SM_CXSCREEN) - wi.size.cx);
318 wi.origin.x = max(wi.origin.x, 0);
319
320 wi.style = SW_SHOW;
321 wi.win_style = WS_POPUP | WS_BORDER;
322 if (parent->page->file->has_popup_color)
323 wi.sr_color = parent->page->file->popup_color;
324 else
325 wi.sr_color = parent->info->sr_color;
326 wi.nsr_color = 0xFFFFFF;
327
328 return &wi;
329 }
330
331 typedef struct
332 {
333 WORD size;
334 WORD command;
335 LONG data;
336 LONG reserved;
337 WORD ofsFilename;
338 WORD ofsData;
339 } WINHELP,*LPWINHELP;
340
341 static BOOL WINHELP_HasWorkingWindow(void)
342 {
343 if (!Globals.active_win) return FALSE;
344 if (Globals.active_win->next || Globals.win_list != Globals.active_win) return TRUE;
345 return Globals.active_win->page != NULL && Globals.active_win->page->file != NULL;
346 }
347
348 /******************************************************************
349 * WINHELP_HandleCommand
350 *
351 *
352 */
353 static LRESULT WINHELP_HandleCommand(HWND hSrcWnd, LPARAM lParam)
354 {
355 COPYDATASTRUCT* cds = (COPYDATASTRUCT*)lParam;
356 WINHELP* wh;
357
358 if (cds->dwData != 0xA1DE505)
359 {
360 WINE_FIXME("Wrong magic number (%08lx)\n", cds->dwData);
361 return 0;
362 }
363
364 wh = cds->lpData;
365
366 if (wh)
367 {
368 char* ptr = (wh->ofsFilename) ? (LPSTR)wh + wh->ofsFilename : NULL;
369
370 WINE_TRACE("Got[%u]: cmd=%u data=%08x fn=%s\n",
371 wh->size, wh->command, wh->data, ptr);
372 switch (wh->command)
373 {
374 case HELP_CONTEXT:
375 if (ptr)
376 {
377 MACRO_JumpContext(ptr, "main", wh->data);
378 }
379 if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
380 break;
381 case HELP_QUIT:
382 MACRO_Exit();
383 break;
384 case HELP_CONTENTS:
385 if (ptr)
386 {
387 MACRO_JumpContents(ptr, "main");
388 }
389 if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
390 break;
391 case HELP_HELPONHELP:
392 MACRO_HelpOn();
393 if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
394 break;
395 /* case HELP_SETINDEX: */
396 case HELP_SETCONTENTS:
397 if (ptr)
398 {
399 MACRO_SetContents(ptr, wh->data);
400 }
401 break;
402 case HELP_CONTEXTPOPUP:
403 if (ptr)
404 {
405 MACRO_PopupContext(ptr, wh->data);
406 }
407 break;
408 /* case HELP_FORCEFILE:*/
409 /* case HELP_CONTEXTMENU: */
410 case HELP_FINDER:
411 /* in fact, should be the topic dialog box */
412 WINE_FIXME("HELP_FINDER: stub\n");
413 if (ptr)
414 {
415 MACRO_JumpHash(ptr, "main", 0);
416 }
417 break;
418 /* case HELP_WM_HELP: */
419 /* case HELP_SETPOPUP_POS: */
420 /* case HELP_KEY: */
421 /* case HELP_COMMAND: */
422 /* case HELP_PARTIALKEY: */
423 /* case HELP_MULTIKEY: */
424 /* case HELP_SETWINPOS: */
425 default:
426 WINE_FIXME("Unhandled command (%x) for remote winhelp control\n", wh->command);
427 break;
428 }
429 }
430 /* Always return success for now */
431 return 1;
432 }
433
434 void WINHELP_LayoutMainWindow(WINHELP_WINDOW* win)
435 {
436 RECT rect, button_box_rect;
437 INT text_top = 0;
438 HWND hButtonBoxWnd = GetDlgItem(win->hMainWnd, CTL_ID_BUTTON);
439 HWND hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
440
441 GetClientRect(win->hMainWnd, &rect);
442
443 /* Update button box and text Window */
444 SetWindowPos(hButtonBoxWnd, HWND_TOP,
445 rect.left, rect.top,
446 rect.right - rect.left,
447 rect.bottom - rect.top, 0);
448
449 if (GetWindowRect(hButtonBoxWnd, &button_box_rect))
450 text_top = rect.top + button_box_rect.bottom - button_box_rect.top;
451
452 SetWindowPos(hTextWnd, HWND_TOP,
453 rect.left, text_top,
454 rect.right - rect.left,
455 rect.bottom - text_top, 0);
456
457 }
458
459 /******************************************************************
460 * WINHELP_DeleteButtons
461 *
462 */
463 static void WINHELP_DeleteButtons(WINHELP_WINDOW* win)
464 {
465 WINHELP_BUTTON* b;
466 WINHELP_BUTTON* bp;
467
468 for (b = win->first_button; b; b = bp)
469 {
470 DestroyWindow(b->hWnd);
471 bp = b->next;
472 HeapFree(GetProcessHeap(), 0, b);
473 }
474 win->first_button = NULL;
475 }
476
477 /******************************************************************
478 * WINHELP_DeleteBackSet
479 *
480 */
481 void WINHELP_DeleteBackSet(WINHELP_WINDOW* win)
482 {
483 unsigned int i;
484
485 for (i = 0; i < win->back.index; i++)
486 {
487 HLPFILE_FreeHlpFile(win->back.set[i].page->file);
488 win->back.set[i].page = NULL;
489 }
490 win->back.index = 0;
491 }
492
493 /******************************************************************
494 * WINHELP_DeletePageLinks
495 *
496 */
497 static void WINHELP_DeletePageLinks(HLPFILE_PAGE* page)
498 {
499 HLPFILE_LINK* curr;
500 HLPFILE_LINK* next;
501
502 for (curr = page->first_link; curr; curr = next)
503 {
504 next = curr->next;
505 HeapFree(GetProcessHeap(), 0, curr);
506 }
507 }
508
509 /***********************************************************************
510 *
511 * WINHELP_GrabWindow
512 */
513 WINHELP_WINDOW* WINHELP_GrabWindow(WINHELP_WINDOW* win)
514 {
515 WINE_TRACE("Grab %p#%d++\n", win, win->ref_count);
516 win->ref_count++;
517 return win;
518 }
519
520 /***********************************************************************
521 *
522 * WINHELP_RelaseWindow
523 */
524 BOOL WINHELP_ReleaseWindow(WINHELP_WINDOW* win)
525 {
526 WINE_TRACE("Release %p#%d--\n", win, win->ref_count);
527
528 if (!--win->ref_count)
529 {
530 DestroyWindow(win->hMainWnd);
531 return FALSE;
532 }
533 return TRUE;
534 }
535
536 /***********************************************************************
537 *
538 * WINHELP_DeleteWindow
539 */
540 static void WINHELP_DeleteWindow(WINHELP_WINDOW* win)
541 {
542 WINHELP_WINDOW** w;
543 BOOL bExit;
544 HWND hTextWnd;
545
546 for (w = &Globals.win_list; *w; w = &(*w)->next)
547 {
548 if (*w == win)
549 {
550 *w = win->next;
551 break;
552 }
553 }
554 bExit = (Globals.wVersion >= 4 && !lstrcmpi(win->info->name, "main"));
555
556 if (Globals.active_win == win)
557 {
558 Globals.active_win = Globals.win_list;
559 if (Globals.win_list)
560 SetActiveWindow(Globals.win_list->hMainWnd);
561 }
562
563 if (win == Globals.active_popup)
564 Globals.active_popup = NULL;
565
566 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
567 SetWindowLongPtr(hTextWnd, GWLP_WNDPROC,
568 (LONG_PTR)win->origRicheditWndProc);
569
570 WINHELP_DeleteButtons(win);
571
572 if (win->page) WINHELP_DeletePageLinks(win->page);
573 if (win->hHistoryWnd) DestroyWindow(win->hHistoryWnd);
574
575 DeleteObject(win->hBrush);
576
577 WINHELP_DeleteBackSet(win);
578
579 if (win->page) HLPFILE_FreeHlpFile(win->page->file);
580 HeapFree(GetProcessHeap(), 0, win);
581
582 if (bExit) MACRO_Exit();
583 if (!Globals.win_list)
584 PostQuitMessage(0);
585 }
586
587 static char* WINHELP_GetCaption(WINHELP_WNDPAGE* wpage)
588 {
589 if (wpage->wininfo->caption[0]) return wpage->wininfo->caption;
590 return wpage->page->file->lpszTitle;
591 }
592
593 static void WINHELP_RememberPage(WINHELP_WINDOW* win, WINHELP_WNDPAGE* wpage)
594 {
595 unsigned num;
596
597 if (!Globals.history.index || Globals.history.set[0].page != wpage->page)
598 {
599 num = sizeof(Globals.history.set) / sizeof(Globals.history.set[0]);
600 /* we're full, remove latest entry */
601 if (Globals.history.index == num)
602 {
603 HLPFILE_FreeHlpFile(Globals.history.set[num - 1].page->file);
604 Globals.history.index--;
605 }
606 memmove(&Globals.history.set[1], &Globals.history.set[0],
607 Globals.history.index * sizeof(Globals.history.set[0]));
608 Globals.history.set[0] = *wpage;
609 Globals.history.index++;
610 wpage->page->file->wRefCount++;
611 }
612 if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
613
614 num = sizeof(win->back.set) / sizeof(win->back.set[0]);
615 if (win->back.index == num)
616 {
617 /* we're full, remove latest entry */
618 HLPFILE_FreeHlpFile(win->back.set[0].page->file);
619 memmove(&win->back.set[0], &win->back.set[1],
620 (num - 1) * sizeof(win->back.set[0]));
621 win->back.index--;
622 }
623 win->back.set[win->back.index++] = *wpage;
624 wpage->page->file->wRefCount++;
625 }
626
627 /***********************************************************************
628 *
629 * WINHELP_FindLink
630 */
631 static HLPFILE_LINK* WINHELP_FindLink(WINHELP_WINDOW* win, LPARAM pos)
632 {
633 HLPFILE_LINK* link;
634 POINTL mouse_ptl, char_ptl, char_next_ptl;
635 DWORD cp;
636
637 if (!win->page) return NULL;
638
639 mouse_ptl.x = (short)LOWORD(pos);
640 mouse_ptl.y = (short)HIWORD(pos);
641 cp = SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_CHARFROMPOS,
642 0, (LPARAM)&mouse_ptl);
643
644 for (link = win->page->first_link; link; link = link->next)
645 {
646 if (link->cpMin <= cp && cp <= link->cpMax)
647 {
648 /* check whether we're at end of line */
649 SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
650 (LPARAM)&char_ptl, cp);
651 SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
652 (LPARAM)&char_next_ptl, cp + 1);
653 if (link->bHotSpot)
654 {
655 HLPFILE_HOTSPOTLINK* hslink = (HLPFILE_HOTSPOTLINK*)link;
656 if ((mouse_ptl.x < char_ptl.x + hslink->x) ||
657 (mouse_ptl.x >= char_ptl.x + hslink->x + hslink->width) ||
658 (mouse_ptl.y < char_ptl.y + hslink->y) ||
659 (mouse_ptl.y >= char_ptl.y + hslink->y + hslink->height))
660 continue;
661 break;
662 }
663 if (char_next_ptl.y != char_ptl.y || mouse_ptl.x >= char_next_ptl.x)
664 link = NULL;
665 break;
666 }
667 }
668 return link;
669 }
670
671 static LRESULT CALLBACK WINHELP_RicheditWndProc(HWND hWnd, UINT msg,
672 WPARAM wParam, LPARAM lParam)
673 {
674 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtr(GetParent(hWnd), 0);
675 DWORD messagePos;
676 POINT pt;
677 switch(msg)
678 {
679 case WM_SETCURSOR:
680 messagePos = GetMessagePos();
681 pt.x = (short)LOWORD(messagePos);
682 pt.y = (short)HIWORD(messagePos);
683 ScreenToClient(hWnd, &pt);
684 if (win->page && WINHELP_FindLink(win, MAKELPARAM(pt.x, pt.y)))
685 {
686 SetCursor(win->hHandCur);
687 return 0;
688 }
689 /* fall through */
690 default:
691 return CallWindowProcA(win->origRicheditWndProc, hWnd, msg, wParam, lParam);
692 }
693 }
694
695 /***********************************************************************
696 *
697 * WINHELP_CreateHelpWindow
698 */
699 BOOL WINHELP_CreateHelpWindow(WINHELP_WNDPAGE* wpage, int nCmdShow, BOOL remember)
700 {
701 WINHELP_WINDOW* win = NULL;
702 BOOL bPrimary, bPopup, bReUsed = FALSE;
703 HICON hIcon;
704 HWND hTextWnd = NULL;
705
706 bPrimary = !lstrcmpi(wpage->wininfo->name, "main");
707 bPopup = !bPrimary && (wpage->wininfo->win_style & WS_POPUP);
708
709 if (!bPopup)
710 {
711 for (win = Globals.win_list; win; win = win->next)
712 {
713 if (!lstrcmpi(win->info->name, wpage->wininfo->name))
714 {
715 if (win->page == wpage->page && win->info == wpage->wininfo)
716 {
717 /* see #22979, some hlp files have a macro (run at page opening), which
718 * jumps to the very same page
719 * Exit gracefully in that case
720 */
721 return TRUE;
722 }
723 WINHELP_DeleteButtons(win);
724 bReUsed = TRUE;
725 SetWindowText(win->hMainWnd, WINHELP_GetCaption(wpage));
726 if (win->info != wpage->wininfo)
727 {
728 POINT pt = {0, 0};
729 SIZE sz = {0, 0};
730 DWORD flags = SWP_NOSIZE | SWP_NOMOVE;
731
732 if (wpage->wininfo->origin.x != CW_USEDEFAULT &&
733 wpage->wininfo->origin.y != CW_USEDEFAULT)
734 {
735 pt = wpage->wininfo->origin;
736 flags &= ~SWP_NOSIZE;
737 }
738 if (wpage->wininfo->size.cx != CW_USEDEFAULT &&
739 wpage->wininfo->size.cy != CW_USEDEFAULT)
740 {
741 sz = wpage->wininfo->size;
742 flags &= ~SWP_NOMOVE;
743 }
744 SetWindowPos(win->hMainWnd, HWND_TOP, pt.x, pt.y, sz.cx, sz.cy, flags);
745 }
746
747 if (wpage->page && win->page && wpage->page->file != win->page->file)
748 WINHELP_DeleteBackSet(win);
749 WINHELP_InitFonts(win->hMainWnd);
750
751 win->page = wpage->page;
752 win->info = wpage->wininfo;
753 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
754 WINHELP_SetupText(hTextWnd, win, wpage->relative);
755
756 InvalidateRect(win->hMainWnd, NULL, TRUE);
757 if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
758
759 break;
760 }
761 }
762 }
763
764 if (!win)
765 {
766 /* Initialize WINHELP_WINDOW struct */
767 win = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINHELP_WINDOW));
768 if (!win) return FALSE;
769 win->next = Globals.win_list;
770 Globals.win_list = win;
771
772 win->hHandCur = LoadCursorW(0, (LPWSTR)IDC_HAND);
773 win->back.index = 0;
774 win->font_scale = 1;
775 WINHELP_GrabWindow(win);
776 }
777 win->page = wpage->page;
778 win->info = wpage->wininfo;
779 WINHELP_GrabWindow(win);
780
781 if (!bPopup && wpage->page && remember)
782 {
783 WINHELP_RememberPage(win, wpage);
784 }
785
786 if (bPopup)
787 Globals.active_popup = win;
788 else
789 Globals.active_win = win;
790
791 /* Initialize default pushbuttons */
792 if (bPrimary && wpage->page)
793 {
794 CHAR buffer[MAX_STRING_LEN];
795
796 LoadString(Globals.hInstance, STID_CONTENTS, buffer, sizeof(buffer));
797 MACRO_CreateButton("BTN_CONTENTS", buffer, "Contents()");
798 LoadString(Globals.hInstance, STID_INDEX, buffer, sizeof(buffer));
799 MACRO_CreateButton("BTN_INDEX", buffer, "Finder()");
800 LoadString(Globals.hInstance, STID_BACK, buffer, sizeof(buffer));
801 MACRO_CreateButton("BTN_BACK", buffer, "Back()");
802 if (win->back.index <= 1) MACRO_DisableButton("BTN_BACK");
803 }
804
805 if (!bReUsed)
806 {
807 win->hMainWnd = CreateWindowEx((bPopup) ? WS_EX_TOOLWINDOW : 0, MAIN_WIN_CLASS_NAME,
808 WINHELP_GetCaption(wpage),
809 bPrimary ? WS_OVERLAPPEDWINDOW : wpage->wininfo->win_style,
810 wpage->wininfo->origin.x, wpage->wininfo->origin.y,
811 wpage->wininfo->size.cx, wpage->wininfo->size.cy,
812 bPopup ? Globals.active_win->hMainWnd : NULL,
813 bPrimary ? LoadMenu(Globals.hInstance, MAKEINTRESOURCE(MAIN_MENU)) : 0,
814 Globals.hInstance, win);
815 if (!bPopup)
816 /* Create button box and text Window */
817 CreateWindow(BUTTON_BOX_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
818 0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_BUTTON, Globals.hInstance, NULL);
819
820 hTextWnd = CreateWindow(RICHEDIT_CLASS, NULL,
821 ES_MULTILINE | ES_READONLY | WS_CHILD | WS_HSCROLL | WS_VSCROLL | WS_VISIBLE,
822 0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_TEXT, Globals.hInstance, NULL);
823 SendMessage(hTextWnd, EM_SETEVENTMASK, 0,
824 SendMessage(hTextWnd, EM_GETEVENTMASK, 0, 0) | ENM_MOUSEEVENTS);
825 win->origRicheditWndProc = (WNDPROC)SetWindowLongPtr(hTextWnd, GWLP_WNDPROC,
826 (LONG_PTR)WINHELP_RicheditWndProc);
827 }
828
829 hIcon = (wpage->page) ? wpage->page->file->hIcon : NULL;
830 if (!hIcon) hIcon = LoadImage(Globals.hInstance, MAKEINTRESOURCE(IDI_WINHELP), IMAGE_ICON,
831 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
832 SendMessage(win->hMainWnd, WM_SETICON, ICON_SMALL, (DWORD_PTR)hIcon);
833
834 /* Initialize file specific pushbuttons */
835 if (!(wpage->wininfo->win_style & WS_POPUP) && wpage->page)
836 {
837 HLPFILE_MACRO *macro;
838 for (macro = wpage->page->file->first_macro; macro; macro = macro->next)
839 MACRO_ExecuteMacro(win, macro->lpszMacro);
840
841 for (macro = wpage->page->first_macro; macro; macro = macro->next)
842 MACRO_ExecuteMacro(win, macro->lpszMacro);
843 }
844 /* See #17681, in some cases, the newly created window is closed by the macros it contains
845 * (braindead), so deal with this case
846 */
847 for (win = Globals.win_list; win; win = win->next)
848 {
849 if (!lstrcmpi(win->info->name, wpage->wininfo->name)) break;
850 }
851 if (!win || !WINHELP_ReleaseWindow(win)) return TRUE;
852
853 if (bPopup)
854 {
855 DWORD mask = SendMessage(hTextWnd, EM_GETEVENTMASK, 0, 0);
856
857 win->font_scale = Globals.active_win->font_scale;
858 WINHELP_SetupText(hTextWnd, win, wpage->relative);
859
860 /* we need the window to be shown for richedit to compute the size */
861 ShowWindow(win->hMainWnd, nCmdShow);
862 SendMessage(hTextWnd, EM_SETEVENTMASK, 0, mask | ENM_REQUESTRESIZE);
863 SendMessage(hTextWnd, EM_REQUESTRESIZE, 0, 0);
864 SendMessage(hTextWnd, EM_SETEVENTMASK, 0, mask);
865 }
866 else
867 {
868 WINHELP_SetupText(hTextWnd, win, wpage->relative);
869 WINHELP_LayoutMainWindow(win);
870 ShowWindow(win->hMainWnd, nCmdShow);
871 }
872
873 return TRUE;
874 }
875
876 /******************************************************************
877 * WINHELP_OpenHelpWindow
878 * Main function to search for a page and display it in a window
879 */
880 BOOL WINHELP_OpenHelpWindow(HLPFILE_PAGE* (*lookup)(HLPFILE*, LONG, ULONG*),
881 HLPFILE* hlpfile, LONG val, HLPFILE_WINDOWINFO* wi,
882 int nCmdShow)
883 {
884 WINHELP_WNDPAGE wpage;
885
886 wpage.page = lookup(hlpfile, val, &wpage.relative);
887 if (wpage.page) wpage.page->file->wRefCount++;
888 wpage.wininfo = wi;
889 return WINHELP_CreateHelpWindow(&wpage, nCmdShow, TRUE);
890 }
891
892 /******************************************************************
893 * WINHELP_HandleTextMouse
894 *
895 */
896 static BOOL WINHELP_HandleTextMouse(WINHELP_WINDOW* win, UINT msg, LPARAM lParam)
897 {
898 HLPFILE* hlpfile;
899 HLPFILE_LINK* link;
900 BOOL ret = FALSE;
901
902 switch (msg)
903 {
904 case WM_LBUTTONDOWN:
905 if ((link = WINHELP_FindLink(win, lParam)))
906 {
907 HLPFILE_WINDOWINFO* wi;
908
909 switch (link->cookie)
910 {
911 case hlp_link_link:
912 if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
913 {
914 if (link->window == -1)
915 {
916 wi = win->info;
917 if (wi->win_style & WS_POPUP) wi = Globals.active_win->info;
918 }
919 else if (link->window < hlpfile->numWindows)
920 wi = &hlpfile->windows[link->window];
921 else
922 {
923 WINE_WARN("link to window %d/%d\n", link->window, hlpfile->numWindows);
924 break;
925 }
926 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash, wi, SW_NORMAL);
927 }
928 break;
929 case hlp_link_popup:
930 if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
931 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash,
932 WINHELP_GetPopupWindowInfo(hlpfile, win, lParam),
933 SW_NORMAL);
934 break;
935 case hlp_link_macro:
936 MACRO_ExecuteMacro(win, link->string);
937 break;
938 default:
939 WINE_FIXME("Unknown link cookie %d\n", link->cookie);
940 }
941 ret = TRUE;
942 }
943 break;
944 }
945 return ret;
946 }
947
948 /***********************************************************************
949 *
950 * WINHELP_CheckPopup
951 */
952 static BOOL WINHELP_CheckPopup(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT* lret)
953 {
954 WINHELP_WINDOW* popup;
955
956 if (!Globals.active_popup) return FALSE;
957
958 switch (msg)
959 {
960 case WM_NOTIFY:
961 {
962 MSGFILTER* msgf = (MSGFILTER*)lParam;
963 if (msgf->nmhdr.code == EN_MSGFILTER)
964 {
965 if (!WINHELP_CheckPopup(hWnd, msgf->msg, msgf->wParam, msgf->lParam, NULL))
966 return FALSE;
967 if (lret) *lret = 1;
968 return TRUE;
969 }
970 }
971 break;
972 case WM_ACTIVATE:
973 if (LOWORD(wParam) != WA_INACTIVE || (HWND)lParam == Globals.active_win->hMainWnd ||
974 (HWND)lParam == Globals.active_popup->hMainWnd ||
975 GetWindow((HWND)lParam, GW_OWNER) == Globals.active_win->hMainWnd)
976 break;
977 /* fall through */
978 case WM_LBUTTONDOWN:
979 if (msg == WM_LBUTTONDOWN)
980 WINHELP_HandleTextMouse(Globals.active_popup, msg, lParam);
981 /* fall through */
982 case WM_MBUTTONDOWN:
983 case WM_RBUTTONDOWN:
984 case WM_NCLBUTTONDOWN:
985 case WM_NCMBUTTONDOWN:
986 case WM_NCRBUTTONDOWN:
987 popup = Globals.active_popup;
988 Globals.active_popup = NULL;
989 WINHELP_ReleaseWindow(popup);
990 return TRUE;
991 }
992 return FALSE;
993 }
994
995 /***********************************************************************
996 *
997 * WINHELP_ButtonWndProc
998 */
999 static LRESULT CALLBACK WINHELP_ButtonWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1000 {
1001 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL)) return 0;
1002
1003 if (msg == WM_KEYDOWN)
1004 {
1005 switch (wParam)
1006 {
1007 case VK_UP:
1008 case VK_DOWN:
1009 case VK_PRIOR:
1010 case VK_NEXT:
1011 case VK_ESCAPE:
1012 return SendMessage(GetParent(hWnd), msg, wParam, lParam);
1013 }
1014 }
1015
1016 return CallWindowProc(Globals.button_proc, hWnd, msg, wParam, lParam);
1017 }
1018
1019 /***********************************************************************
1020 *
1021 * WINHELP_ButtonBoxWndProc
1022 */
1023 static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1024 {
1025 WINDOWPOS *winpos;
1026 WINHELP_WINDOW *win;
1027 WINHELP_BUTTON *button;
1028 SIZE button_size;
1029 INT x, y;
1030
1031 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL)) return 0L;
1032
1033 switch (msg)
1034 {
1035 case WM_WINDOWPOSCHANGING:
1036 winpos = (WINDOWPOS*) lParam;
1037 win = (WINHELP_WINDOW*) GetWindowLongPtr(GetParent(hWnd), 0);
1038
1039 /* Update buttons */
1040 button_size.cx = 0;
1041 button_size.cy = 0;
1042 for (button = win->first_button; button; button = button->next)
1043 {
1044 HDC hDc;
1045 SIZE textsize;
1046 if (!button->hWnd)
1047 {
1048 button->hWnd = CreateWindow(STRING_BUTTON, button->lpszName,
1049 WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
1050 0, 0, 0, 0,
1051 hWnd, (HMENU) button->wParam,
1052 Globals.hInstance, 0);
1053 if (button->hWnd)
1054 {
1055 if (Globals.button_proc == NULL)
1056 {
1057 NONCLIENTMETRICSW ncm;
1058 Globals.button_proc = (WNDPROC) GetWindowLongPtr(button->hWnd, GWLP_WNDPROC);
1059
1060 ncm.cbSize = sizeof(NONCLIENTMETRICSW);
1061 SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
1062 sizeof(NONCLIENTMETRICSW), &ncm, 0);
1063 Globals.hButtonFont = CreateFontIndirectW(&ncm.lfMenuFont);
1064 }
1065 SetWindowLongPtr(button->hWnd, GWLP_WNDPROC, (LONG_PTR) WINHELP_ButtonWndProc);
1066 if (Globals.hButtonFont)
1067 SendMessage(button->hWnd, WM_SETFONT, (WPARAM)Globals.hButtonFont, TRUE);
1068 }
1069 }
1070 hDc = GetDC(button->hWnd);
1071 GetTextExtentPoint(hDc, button->lpszName,
1072 lstrlen(button->lpszName), &textsize);
1073 ReleaseDC(button->hWnd, hDc);
1074
1075 button_size.cx = max(button_size.cx, textsize.cx + BUTTON_CX);
1076 button_size.cy = max(button_size.cy, textsize.cy + BUTTON_CY);
1077 }
1078
1079 x = 0;
1080 y = 0;
1081 for (button = win->first_button; button; button = button->next)
1082 {
1083 SetWindowPos(button->hWnd, HWND_TOP, x, y, button_size.cx, button_size.cy, 0);
1084
1085 if (x + 2 * button_size.cx <= winpos->cx)
1086 x += button_size.cx;
1087 else
1088 x = 0, y += button_size.cy;
1089 }
1090 winpos->cy = y + (x ? button_size.cy : 0);
1091 break;
1092
1093 case WM_COMMAND:
1094 SendMessage(GetParent(hWnd), msg, wParam, lParam);
1095 break;
1096
1097 case WM_KEYDOWN:
1098 switch (wParam)
1099 {
1100 case VK_UP:
1101 case VK_DOWN:
1102 case VK_PRIOR:
1103 case VK_NEXT:
1104 case VK_ESCAPE:
1105 return SendMessage(GetParent(hWnd), msg, wParam, lParam);
1106 }
1107 break;
1108 }
1109
1110 return DefWindowProc(hWnd, msg, wParam, lParam);
1111 }
1112
1113 /******************************************************************
1114 * WINHELP_HistoryWndProc
1115 *
1116 *
1117 */
1118 static LRESULT CALLBACK WINHELP_HistoryWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1119 {
1120 WINHELP_WINDOW* win;
1121 PAINTSTRUCT ps;
1122 HDC hDc;
1123 TEXTMETRIC tm;
1124 unsigned int i;
1125 RECT r;
1126
1127 switch (msg)
1128 {
1129 case WM_NCCREATE:
1130 win = (WINHELP_WINDOW*)((LPCREATESTRUCT)lParam)->lpCreateParams;
1131 SetWindowLongPtr(hWnd, 0, (ULONG_PTR)win);
1132 win->hHistoryWnd = hWnd;
1133 break;
1134 case WM_CREATE:
1135 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1136 hDc = GetDC(hWnd);
1137 GetTextMetrics(hDc, &tm);
1138 GetWindowRect(hWnd, &r);
1139
1140 r.right = r.left + 30 * tm.tmAveCharWidth;
1141 r.bottom = r.top + (sizeof(Globals.history.set) / sizeof(Globals.history.set[0])) * tm.tmHeight;
1142 AdjustWindowRect(&r, GetWindowLong(hWnd, GWL_STYLE), FALSE);
1143 if (r.left < 0) {r.right -= r.left; r.left = 0;}
1144 if (r.top < 0) {r.bottom -= r.top; r.top = 0;}
1145
1146 MoveWindow(hWnd, r.left, r.top, r.right, r.bottom, TRUE);
1147 ReleaseDC(hWnd, hDc);
1148 break;
1149 case WM_LBUTTONDOWN:
1150 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1151 hDc = GetDC(hWnd);
1152 GetTextMetrics(hDc, &tm);
1153 i = HIWORD(lParam) / tm.tmHeight;
1154 if (i < Globals.history.index)
1155 WINHELP_CreateHelpWindow(&Globals.history.set[i], SW_SHOW, TRUE);
1156 ReleaseDC(hWnd, hDc);
1157 break;
1158 case WM_PAINT:
1159 hDc = BeginPaint(hWnd, &ps);
1160 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1161 GetTextMetrics(hDc, &tm);
1162
1163 for (i = 0; i < Globals.history.index; i++)
1164 {
1165 if (Globals.history.set[i].page->file == Globals.active_win->page->file)
1166 {
1167 TextOut(hDc, 0, i * tm.tmHeight,
1168 Globals.history.set[i].page->lpszTitle,
1169 strlen(Globals.history.set[i].page->lpszTitle));
1170 }
1171 else
1172 {
1173 char buffer[1024];
1174 const char* ptr1;
1175 const char* ptr2;
1176 unsigned len;
1177
1178 ptr1 = strrchr(Globals.history.set[i].page->file->lpszPath, '\\');
1179 if (!ptr1) ptr1 = Globals.history.set[i].page->file->lpszPath;
1180 else ptr1++;
1181 ptr2 = strrchr(ptr1, '.');
1182 len = ptr2 ? ptr2 - ptr1 : strlen(ptr1);
1183 if (len > sizeof(buffer)) len = sizeof(buffer);
1184 memcpy(buffer, ptr1, len);
1185 if (len < sizeof(buffer)) buffer[len++] = ':';
1186 strncpy(&buffer[len], Globals.history.set[i].page->lpszTitle, sizeof(buffer) - len);
1187 buffer[sizeof(buffer) - 1] = '\0';
1188 TextOut(hDc, 0, i * tm.tmHeight, buffer, strlen(buffer));
1189 }
1190 }
1191 EndPaint(hWnd, &ps);
1192 break;
1193 case WM_DESTROY:
1194 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1195 if (hWnd == win->hHistoryWnd)
1196 win->hHistoryWnd = 0;
1197 break;
1198 }
1199 return DefWindowProc(hWnd, msg, wParam, lParam);
1200 }
1201
1202 /**************************************************************************
1203 * cb_KWBTree
1204 *
1205 * HLPFILE_BPTreeCallback enumeration function for '|KWBTREE' internal file.
1206 *
1207 */
1208 static void cb_KWBTree(void *p, void **next, void *cookie)
1209 {
1210 HWND hListWnd = cookie;
1211 int count;
1212
1213 WINE_TRACE("Adding '%s' to search list\n", (char *)p);
1214 SendMessage(hListWnd, LB_INSERTSTRING, -1, (LPARAM)p);
1215 count = SendMessage(hListWnd, LB_GETCOUNT, 0, 0);
1216 SendMessage(hListWnd, LB_SETITEMDATA, count-1, (LPARAM)p);
1217 *next = (char*)p + strlen((char*)p) + 7;
1218 }
1219
1220 struct index_data
1221 {
1222 HLPFILE* hlpfile;
1223 BOOL jump;
1224 ULONG offset;
1225 };
1226
1227 /**************************************************************************
1228 * WINHELP_IndexDlgProc
1229 *
1230 */
1231 static INT_PTR CALLBACK WINHELP_IndexDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1232 {
1233 static struct index_data* id;
1234 int sel;
1235
1236 switch (msg)
1237 {
1238 case WM_INITDIALOG:
1239 id = (struct index_data*)((PROPSHEETPAGE*)lParam)->lParam;
1240 HLPFILE_BPTreeEnum(id->hlpfile->kwbtree, cb_KWBTree,
1241 GetDlgItem(hWnd, IDC_INDEXLIST));
1242 id->jump = FALSE;
1243 id->offset = 1;
1244 return TRUE;
1245 case WM_COMMAND:
1246 switch (HIWORD(wParam))
1247 {
1248 case LBN_DBLCLK:
1249 if (LOWORD(wParam) == IDC_INDEXLIST)
1250 SendMessage(GetParent(hWnd), PSM_PRESSBUTTON, PSBTN_OK, 0);
1251 break;
1252 }
1253 break;
1254 case WM_NOTIFY:
1255 switch (((NMHDR*)lParam)->code)
1256 {
1257 case PSN_APPLY:
1258 sel = SendDlgItemMessage(hWnd, IDC_INDEXLIST, LB_GETCURSEL, 0, 0);
1259 if (sel != LB_ERR)
1260 {
1261 BYTE *p;
1262 int count;
1263
1264 p = (BYTE*)SendDlgItemMessage(hWnd, IDC_INDEXLIST,
1265 LB_GETITEMDATA, sel, 0);
1266 count = *(short*)((char *)p + strlen((char *)p) + 1);
1267 if (count > 1)
1268 {
1269 MessageBox(hWnd, "count > 1 not supported yet", "Error", MB_OK | MB_ICONSTOP);
1270 SetWindowLongPtr(hWnd, DWLP_MSGRESULT, PSNRET_INVALID);
1271 return TRUE;
1272 }
1273 id->offset = *(ULONG*)((char *)p + strlen((char *)p) + 3);
1274 id->offset = *(long*)(id->hlpfile->kwdata + id->offset + 9);
1275 if (id->offset == 0xFFFFFFFF)
1276 {
1277 MessageBox(hWnd, "macro keywords not supported yet", "Error", MB_OK | MB_ICONSTOP);
1278 SetWindowLongPtr(hWnd, DWLP_MSGRESULT, PSNRET_INVALID);
1279 return TRUE;
1280 }
1281 id->jump = TRUE;
1282 SetWindowLongPtr(hWnd, DWLP_MSGRESULT, PSNRET_NOERROR);
1283 }
1284 return TRUE;
1285 default:
1286 return FALSE;
1287 }
1288 break;
1289 default:
1290 break;
1291 }
1292 return FALSE;
1293 }
1294
1295 /**************************************************************************
1296 * WINHELP_SearchDlgProc
1297 *
1298 */
1299 static INT_PTR CALLBACK WINHELP_SearchDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1300 {
1301 switch (msg)
1302 {
1303 case WM_INITDIALOG:
1304 return TRUE;
1305 case WM_NOTIFY:
1306 switch (((NMHDR*)lParam)->code)
1307 {
1308 case PSN_APPLY:
1309 SetWindowLongPtr(hWnd, DWLP_MSGRESULT, PSNRET_NOERROR);
1310 return TRUE;
1311 default:
1312 return FALSE;
1313 }
1314 break;
1315 default:
1316 break;
1317 }
1318 return FALSE;
1319 }
1320
1321 /***********************************************************************
1322 *
1323 * WINHELP_MainWndProc
1324 */
1325 static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1326 {
1327 WINHELP_WINDOW *win;
1328 WINHELP_BUTTON *button;
1329 HWND hTextWnd;
1330 LRESULT ret;
1331
1332 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, &ret)) return ret;
1333
1334 switch (msg)
1335 {
1336 case WM_NCCREATE:
1337 win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
1338 SetWindowLongPtr(hWnd, 0, (ULONG_PTR) win);
1339 if (!win->page && Globals.isBook)
1340 PostMessage(hWnd, WM_COMMAND, MNID_FILE_OPEN, 0);
1341 win->hMainWnd = hWnd;
1342 break;
1343
1344 case WM_WINDOWPOSCHANGED:
1345 WINHELP_LayoutMainWindow((WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0));
1346 break;
1347
1348 case WM_COMMAND:
1349 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1350 switch (wParam)
1351 {
1352 /* Menu FILE */
1353 case MNID_FILE_OPEN: MACRO_FileOpen(); break;
1354 case MNID_FILE_PRINT: MACRO_Print(); break;
1355 case MNID_FILE_SETUP: MACRO_PrinterSetup(); break;
1356 case MNID_FILE_EXIT: MACRO_Exit(); break;
1357
1358 /* Menu EDIT */
1359 case MNID_EDIT_COPYDLG:
1360 SendMessage(GetDlgItem(hWnd, CTL_ID_TEXT), WM_COPY, 0, 0);
1361 break;
1362 case MNID_EDIT_ANNOTATE:MACRO_Annotate(); break;
1363
1364 /* Menu Bookmark */
1365 case MNID_BKMK_DEFINE: MACRO_BookmarkDefine(); break;
1366
1367 /* Menu Help */
1368 case MNID_HELP_HELPON: MACRO_HelpOn(); break;
1369 case MNID_HELP_HELPTOP: MACRO_HelpOnTop(); break;
1370 case MNID_HELP_ABOUT: MACRO_About(); break;
1371
1372 /* Context help */
1373 case MNID_CTXT_ANNOTATE:MACRO_Annotate(); break;
1374 case MNID_CTXT_COPY: MACRO_CopyDialog(); break;
1375 case MNID_CTXT_PRINT: MACRO_Print(); break;
1376 case MNID_OPTS_HISTORY: MACRO_History(); break;
1377 case MNID_OPTS_FONTS_SMALL:
1378 case MNID_CTXT_FONTS_SMALL:
1379 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1380 if (win->font_scale != 0)
1381 {
1382 win->font_scale = 0;
1383 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1384 }
1385 break;
1386 case MNID_OPTS_FONTS_NORMAL:
1387 case MNID_CTXT_FONTS_NORMAL:
1388 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1389 if (win->font_scale != 1)
1390 {
1391 win->font_scale = 1;
1392 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1393 }
1394 break;
1395 case MNID_OPTS_FONTS_LARGE:
1396 case MNID_CTXT_FONTS_LARGE:
1397 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1398 if (win->font_scale != 2)
1399 {
1400 win->font_scale = 2;
1401 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1402 }
1403 break;
1404 case MNID_OPTS_HELP_DEFAULT:
1405 case MNID_OPTS_HELP_VISIBLE:
1406 case MNID_OPTS_HELP_NONVISIBLE:
1407 case MNID_OPTS_SYSTEM_COLORS:
1408 case MNID_CTXT_HELP_DEFAULT:
1409 case MNID_CTXT_HELP_VISIBLE:
1410 case MNID_CTXT_HELP_NONVISIBLE:
1411 case MNID_CTXT_SYSTEM_COLORS:
1412 /* FIXME: NIY */
1413
1414 default:
1415 /* Buttons */
1416 for (button = win->first_button; button; button = button->next)
1417 if (wParam == button->wParam) break;
1418 if (button)
1419 MACRO_ExecuteMacro(win, button->lpszMacro);
1420 else if (!HIWORD(wParam))
1421 MessageBox(0, MAKEINTRESOURCE(STID_NOT_IMPLEMENTED),
1422 MAKEINTRESOURCE(STID_WHERROR), MB_OK);
1423 break;
1424 }
1425 break;
1426 /* EPP case WM_DESTROY: */
1427 /* EPP if (Globals.hPopupWnd) DestroyWindow(Globals.hPopupWnd); */
1428 /* EPP break; */
1429 case WM_COPYDATA:
1430 return WINHELP_HandleCommand((HWND)wParam, lParam);
1431
1432 case WM_CHAR:
1433 if (wParam == 3)
1434 {
1435 SendMessage(GetDlgItem(hWnd, CTL_ID_TEXT), WM_COPY, 0, 0);
1436 return 0;
1437 }
1438 break;
1439
1440 case WM_KEYDOWN:
1441 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1442 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
1443
1444 switch (wParam)
1445 {
1446 case VK_UP:
1447 SendMessage(hTextWnd, EM_SCROLL, SB_LINEUP, 0);
1448 return 0;
1449 case VK_DOWN:
1450 SendMessage(hTextWnd, EM_SCROLL, SB_LINEDOWN, 0);
1451 return 0;
1452 case VK_PRIOR:
1453 SendMessage(hTextWnd, EM_SCROLL, SB_PAGEUP, 0);
1454 return 0;
1455 case VK_NEXT:
1456 SendMessage(hTextWnd, EM_SCROLL, SB_PAGEDOWN, 0);
1457 return 0;
1458 case VK_ESCAPE:
1459 MACRO_Exit();
1460 return 0;
1461 }
1462 break;
1463
1464 case WM_NOTIFY:
1465 if (wParam == CTL_ID_TEXT)
1466 {
1467 RECT rc;
1468
1469 switch (((NMHDR*)lParam)->code)
1470 {
1471 case EN_MSGFILTER:
1472 {
1473 const MSGFILTER* msgf = (const MSGFILTER*)lParam;
1474 switch (msgf->msg)
1475 {
1476 case WM_KEYUP:
1477 if (msgf->wParam == VK_ESCAPE)
1478 WINHELP_ReleaseWindow((WINHELP_WINDOW*)GetWindowLongPtr(hWnd, 0));
1479 break;
1480 case WM_RBUTTONDOWN:
1481 {
1482 HMENU hMenu;
1483 POINT pt;
1484
1485 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1486 hMenu = LoadMenu(Globals.hInstance, (LPSTR)CONTEXT_MENU);
1487 switch (win->font_scale)
1488 {
1489 case 0:
1490 CheckMenuItem(hMenu, MNID_CTXT_FONTS_SMALL,
1491 MF_BYCOMMAND|MF_CHECKED);
1492 break;
1493 default:
1494 WINE_FIXME("Unsupported %d\n", win->font_scale);
1495 case 1:
1496 CheckMenuItem(hMenu, MNID_CTXT_FONTS_NORMAL,
1497 MF_BYCOMMAND|MF_CHECKED);
1498 break;
1499 case 2:
1500 CheckMenuItem(hMenu, MNID_CTXT_FONTS_LARGE,
1501 MF_BYCOMMAND|MF_CHECKED);
1502 break;
1503 }
1504 pt.x = (int)(short)LOWORD(msgf->lParam);
1505 pt.y = (int)(short)HIWORD(msgf->lParam);
1506 ClientToScreen(msgf->nmhdr.hwndFrom, &pt);
1507 TrackPopupMenu(GetSubMenu(hMenu, 0), TPM_LEFTALIGN|TPM_TOPALIGN,
1508 pt.x, pt.y, 0, hWnd, NULL);
1509 DestroyMenu(hMenu);
1510 }
1511 break;
1512 default:
1513 return WINHELP_HandleTextMouse((WINHELP_WINDOW*)GetWindowLongPtr(hWnd, 0),
1514 msgf->msg, msgf->lParam);
1515 }
1516 }
1517 break;
1518
1519 case EN_REQUESTRESIZE:
1520 rc = ((REQRESIZE*)lParam)->rc;
1521 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1522 AdjustWindowRect(&rc, GetWindowLong(win->hMainWnd, GWL_STYLE),
1523 FALSE);
1524 SetWindowPos(win->hMainWnd, HWND_TOP, 0, 0,
1525 rc.right - rc.left, rc.bottom - rc.top,
1526 SWP_NOMOVE | SWP_NOZORDER);
1527 WINHELP_LayoutMainWindow(win);
1528 break;
1529 }
1530 }
1531 break;
1532
1533 case WM_INITMENUPOPUP:
1534 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1535 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_SMALL,
1536 MF_BYCOMMAND | (win->font_scale == 0) ? MF_CHECKED : 0);
1537 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_NORMAL,
1538 MF_BYCOMMAND | (win->font_scale == 1) ? MF_CHECKED : 0);
1539 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_LARGE,
1540 MF_BYCOMMAND | (win->font_scale == 2) ? MF_CHECKED : 0);
1541 break;
1542 case WM_DESTROY:
1543 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1544 WINHELP_DeleteWindow(win);
1545 break;
1546 }
1547 return DefWindowProc(hWnd, msg, wParam, lParam);
1548 }
1549
1550 /**************************************************************************
1551 * WINHELP_CreateIndexWindow
1552 *
1553 * Displays a dialog with keywords of current help file.
1554 *
1555 */
1556 BOOL WINHELP_CreateIndexWindow(BOOL is_search)
1557 {
1558 HPROPSHEETPAGE psPage[3];
1559 PROPSHEETPAGE psp;
1560 PROPSHEETHEADER psHead;
1561 struct index_data id;
1562 char buf[256];
1563
1564 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
1565 id.hlpfile = Globals.active_win->page->file;
1566 else
1567 return FALSE;
1568
1569 if (id.hlpfile->kwbtree == NULL)
1570 {
1571 WINE_TRACE("No index provided\n");
1572 return FALSE;
1573 }
1574
1575 InitCommonControls();
1576
1577 id.jump = FALSE;
1578 memset(&psp, 0, sizeof(psp));
1579 psp.dwSize = sizeof(psp);
1580 psp.dwFlags = 0;
1581 psp.hInstance = Globals.hInstance;
1582
1583 psp.u.pszTemplate = MAKEINTRESOURCE(IDD_INDEX);
1584 psp.lParam = (LPARAM)&id;
1585 psp.pfnDlgProc = WINHELP_IndexDlgProc;
1586 psPage[0] = CreatePropertySheetPage(&psp);
1587
1588 psp.u.pszTemplate = MAKEINTRESOURCE(IDD_SEARCH);
1589 psp.lParam = (LPARAM)&id;
1590 psp.pfnDlgProc = WINHELP_SearchDlgProc;
1591 psPage[1] = CreatePropertySheetPage(&psp);
1592
1593 memset(&psHead, 0, sizeof(psHead));
1594 psHead.dwSize = sizeof(psHead);
1595
1596 LoadString(Globals.hInstance, STID_PSH_INDEX, buf, sizeof(buf));
1597 strcat(buf, Globals.active_win->info->caption);
1598
1599 psHead.pszCaption = buf;
1600 psHead.nPages = 2;
1601 psHead.u2.nStartPage = is_search ? 1 : 0;
1602 psHead.hwndParent = Globals.active_win->hMainWnd;
1603 psHead.u3.phpage = psPage;
1604 psHead.dwFlags = PSH_NOAPPLYNOW;
1605
1606 PropertySheet(&psHead);
1607 if (id.jump)
1608 {
1609 WINE_TRACE("got %d as an offset\n", id.offset);
1610 WINHELP_OpenHelpWindow(HLPFILE_PageByOffset, id.hlpfile, id.offset,
1611 Globals.active_win->info, SW_NORMAL);
1612 }
1613 return TRUE;
1614 }
1615
1616 /***********************************************************************
1617 *
1618 * RegisterWinClasses
1619 */
1620 static BOOL WINHELP_RegisterWinClasses(void)
1621 {
1622 WNDCLASSEX class_main, class_button_box, class_history;
1623
1624 class_main.cbSize = sizeof(class_main);
1625 class_main.style = CS_HREDRAW | CS_VREDRAW;
1626 class_main.lpfnWndProc = WINHELP_MainWndProc;
1627 class_main.cbClsExtra = 0;
1628 class_main.cbWndExtra = sizeof(WINHELP_WINDOW *);
1629 class_main.hInstance = Globals.hInstance;
1630 class_main.hIcon = LoadIcon(Globals.hInstance, MAKEINTRESOURCE(IDI_WINHELP));
1631 class_main.hCursor = LoadCursor(0, IDC_ARROW);
1632 class_main.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
1633 class_main.lpszMenuName = 0;
1634 class_main.lpszClassName = MAIN_WIN_CLASS_NAME;
1635 class_main.hIconSm = LoadImage(Globals.hInstance, MAKEINTRESOURCE(IDI_WINHELP), IMAGE_ICON,
1636 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
1637 LR_SHARED);
1638
1639 class_button_box = class_main;
1640 class_button_box.lpfnWndProc = WINHELP_ButtonBoxWndProc;
1641 class_button_box.cbWndExtra = 0;
1642 class_button_box.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
1643 class_button_box.lpszClassName = BUTTON_BOX_WIN_CLASS_NAME;
1644
1645 class_history = class_main;
1646 class_history.lpfnWndProc = WINHELP_HistoryWndProc;
1647 class_history.lpszClassName = HISTORY_WIN_CLASS_NAME;
1648
1649 return (RegisterClassEx(&class_main) &&
1650 RegisterClassEx(&class_button_box) &&
1651 RegisterClassEx(&class_history));
1652 }
1653
1654 /***********************************************************************
1655 *
1656 * WinMain
1657 */
1658 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
1659 {
1660 MSG msg;
1661 LONG lHash = 0;
1662 HLPFILE* hlpfile;
1663 static CHAR default_wndname[] = "main";
1664 LPSTR wndname = default_wndname;
1665 WINHELP_DLL* dll;
1666
1667 Globals.hInstance = hInstance;
1668
1669 if (LoadLibrary("riched20.dll") == NULL)
1670 return MessageBox(0, MAKEINTRESOURCE(STID_NO_RICHEDIT),
1671 MAKEINTRESOURCE(STID_WHERROR), MB_OK);
1672
1673 /* Get options */
1674 while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
1675 {
1676 CHAR option;
1677 LPCSTR topic_id;
1678 if (*cmdline++ == ' ') continue;
1679
1680 option = *cmdline;
1681 if (option) cmdline++;
1682 while (*cmdline && *cmdline == ' ') cmdline++;
1683 switch (option)
1684 {
1685 case 'i':
1686 case 'I':
1687 topic_id = cmdline;
1688 while (*cmdline && *cmdline != ' ') cmdline++;
1689 if (*cmdline) *cmdline++ = '\0';
1690 lHash = HLPFILE_Hash(topic_id);
1691 break;
1692
1693 case '3':
1694 case '4':
1695 Globals.wVersion = option - '0';
1696 break;
1697
1698 case 'x':
1699 show = SW_HIDE;
1700 Globals.isBook = FALSE;
1701 break;
1702
1703 default:
1704 WINE_FIXME("Unsupported cmd line: %s\n", cmdline);
1705 break;
1706 }
1707 }
1708
1709 /* Create primary window */
1710 if (!WINHELP_RegisterWinClasses())
1711 {
1712 WINE_FIXME("Couldn't register classes\n");
1713 return 0;
1714 }
1715
1716 if (*cmdline)
1717 {
1718 char* ptr;
1719 if ((*cmdline == '"') && (ptr = strchr(cmdline+1, '"')))
1720 {
1721 cmdline++;
1722 *ptr = '\0';
1723 }
1724 if ((ptr = strchr(cmdline, '>')))
1725 {
1726 *ptr = '\0';
1727 wndname = ptr + 1;
1728 }
1729 hlpfile = WINHELP_LookupHelpFile(cmdline);
1730 if (!hlpfile) return 0;
1731 }
1732 else hlpfile = NULL;
1733 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, lHash,
1734 WINHELP_GetWindowInfo(hlpfile, wndname), show);
1735
1736 /* Message loop */
1737 while ((Globals.win_list || Globals.active_popup) && GetMessage(&msg, 0, 0, 0))
1738 {
1739 TranslateMessage(&msg);
1740 DispatchMessage(&msg);
1741 }
1742 for (dll = Globals.dlls; dll; dll = dll->next)
1743 {
1744 if (dll->class & DC_INITTERM) dll->handler(DW_TERM, 0, 0);
1745 }
1746 return 0;
1747 }
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