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winhlp32: Remove redundant comparison.
[wine.git] / programs / winhlp32 / winhelp.c
blob2ac3d2ff24968b932ecb1af51efd5cd999efad85
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
33 #include "windef.h"
34 #include "winbase.h"
35 #include "wingdi.h"
36 #include "winuser.h"
37 #include "commdlg.h"
38 #include "winhelp.h"
39 #include "winhelp_res.h"
40 #include "shellapi.h"
41 #include "richedit.h"
42 #include "commctrl.h"
43
44 #include "wine/debug.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
47
48 WINHELP_GLOBALS Globals = {3, NULL, TRUE, NULL, NULL, NULL, NULL, NULL, {{{NULL,NULL}},0}, NULL};
49
50 #define CTL_ID_BUTTON 0x700
51 #define CTL_ID_TEXT 0x701
52
53
54 /***********************************************************************
55 *
56 * WINHELP_InitFonts
57 */
58 static void WINHELP_InitFonts(HWND hWnd)
59 {
60 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
61 LOGFONTW logfontlist[] = {
62 {-10, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
63 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
64 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
65 {-12, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
66 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
67 {-10, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
68 { -8, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}}};
69 #define FONTS_LEN (sizeof(logfontlist)/sizeof(*logfontlist))
70
71 static HFONT fonts[FONTS_LEN];
72 static BOOL init = FALSE;
73
74 win->fonts_len = FONTS_LEN;
75 win->fonts = fonts;
76
77 if (!init)
78 {
79 UINT i;
80
81 for (i = 0; i < FONTS_LEN; i++)
82 {
83 fonts[i] = CreateFontIndirectW(&logfontlist[i]);
84 }
85
86 init = TRUE;
87 }
88 }
89
90 static DWORD CALLBACK WINHELP_RtfStreamIn(DWORD_PTR cookie, BYTE* buff,
91 LONG cb, LONG* pcb)
92 {
93 struct RtfData* rd = (struct RtfData*)cookie;
94
95 if (rd->where >= rd->ptr) return 1;
96 if (rd->where + cb > rd->ptr)
97 cb = rd->ptr - rd->where;
98 memcpy(buff, rd->where, cb);
99 rd->where += cb;
100 *pcb = cb;
101 return 0;
102 }
103
104 static void WINHELP_SetupText(HWND hTextWnd, WINHELP_WINDOW* win, ULONG relative)
105 {
106 static const WCHAR emptyW[1];
107 /* At first clear area - needed by EM_POSFROMCHAR/EM_SETSCROLLPOS */
108 SendMessageW(hTextWnd, WM_SETTEXT, 0, (LPARAM)emptyW);
109 SendMessageW(hTextWnd, WM_SETREDRAW, FALSE, 0);
110 SendMessageW(hTextWnd, EM_SETBKGNDCOLOR, 0, (LPARAM)win->info->sr_color);
111 /* set word-wrap to window size (undocumented) */
112 SendMessageW(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 SendMessageW(hTextWnd, EM_POSFROMCHAR, (WPARAM)&ptl, cp ? cp - 1 : 0);
135 pt.x = 0; pt.y = ptl.y;
136 SendMessageW(hTextWnd, EM_SETSCROLLPOS, 0, (LPARAM)&pt);
137 }
138 SendMessageW(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 OPENFILENAMEA 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 LoadStringA(Globals.hInstance, STID_HELP_FILES_HLP, p, MAX_STRING_LEN);
156 p += strlen(p) + 1;
157 strcpy(p, "*.hlp");
158 p += strlen(p) + 1;
159 LoadStringA(Globals.hInstance, STID_ALL_FILES, p, MAX_STRING_LEN);
160 p += strlen(p) + 1;
161 strcpy(p, "*.*");
162 p += strlen(p) + 1;
163 *p = '\0';
164
165 GetCurrentDirectoryA(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 | OFN_HIDEREADONLY | OFN_READONLY;
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 GetOpenFileNameA(&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 LoadStringA(Globals.hInstance, ids_text, text, sizeof(text));
203 wsprintfA(newtext, text, str);
204
205 return MessageBoxA(0, newtext, MAKEINTRESOURCEA(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 (!SearchPathA(NULL, lpszFile, ".hlp", MAX_PATH, szFullName, NULL) &&
234 !SearchPathA(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 (!lstrcmpiA(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", debugstr_a(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 LoadStringA(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 LoadStringA(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 borders 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, debugstr_a(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_ReleaseWindow
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 && !lstrcmpiA(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 SetWindowLongPtrA(hTextWnd, GWLP_WNDPROC, (LONG_PTR)win->origRicheditWndProc);
568
569 WINHELP_DeleteButtons(win);
570
571 if (win->page) WINHELP_DeletePageLinks(win->page);
572 if (win->hHistoryWnd) DestroyWindow(win->hHistoryWnd);
573
574 DeleteObject(win->hBrush);
575
576 WINHELP_DeleteBackSet(win);
577
578 if (win->page) HLPFILE_FreeHlpFile(win->page->file);
579 HeapFree(GetProcessHeap(), 0, win);
580
581 if (bExit) MACRO_Exit();
582 if (!Globals.win_list)
583 PostQuitMessage(0);
584 }
585
586 static char* WINHELP_GetCaption(WINHELP_WNDPAGE* wpage)
587 {
588 if (wpage->wininfo->caption[0]) return wpage->wininfo->caption;
589 return wpage->page->file->lpszTitle;
590 }
591
592 static void WINHELP_RememberPage(WINHELP_WINDOW* win, WINHELP_WNDPAGE* wpage)
593 {
594 unsigned num;
595
596 if (!Globals.history.index || Globals.history.set[0].page != wpage->page)
597 {
598 num = sizeof(Globals.history.set) / sizeof(Globals.history.set[0]);
599 /* we're full, remove latest entry */
600 if (Globals.history.index == num)
601 {
602 HLPFILE_FreeHlpFile(Globals.history.set[num - 1].page->file);
603 Globals.history.index--;
604 }
605 memmove(&Globals.history.set[1], &Globals.history.set[0],
606 Globals.history.index * sizeof(Globals.history.set[0]));
607 Globals.history.set[0] = *wpage;
608 Globals.history.index++;
609 wpage->page->file->wRefCount++;
610 }
611 if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
612
613 num = sizeof(win->back.set) / sizeof(win->back.set[0]);
614 if (win->back.index == num)
615 {
616 /* we're full, remove latest entry */
617 HLPFILE_FreeHlpFile(win->back.set[0].page->file);
618 memmove(&win->back.set[0], &win->back.set[1],
619 (num - 1) * sizeof(win->back.set[0]));
620 win->back.index--;
621 }
622 win->back.set[win->back.index++] = *wpage;
623 wpage->page->file->wRefCount++;
624 }
625
626 /***********************************************************************
627 *
628 * WINHELP_FindLink
629 */
630 static HLPFILE_LINK* WINHELP_FindLink(WINHELP_WINDOW* win, LPARAM pos)
631 {
632 HLPFILE_LINK* link;
633 POINTL mouse_ptl, char_ptl, char_next_ptl;
634 DWORD cp;
635
636 if (!win->page) return NULL;
637
638 mouse_ptl.x = (short)LOWORD(pos);
639 mouse_ptl.y = (short)HIWORD(pos);
640 cp = SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_CHARFROMPOS,
641 0, (LPARAM)&mouse_ptl);
642
643 for (link = win->page->first_link; link; link = link->next)
644 {
645 if (link->cpMin <= cp && cp <= link->cpMax)
646 {
647 /* check whether we're at end of line */
648 SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
649 (LPARAM)&char_ptl, cp);
650 SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
651 (LPARAM)&char_next_ptl, cp + 1);
652 if (link->bHotSpot)
653 {
654 HLPFILE_HOTSPOTLINK* hslink = (HLPFILE_HOTSPOTLINK*)link;
655 if ((mouse_ptl.x < char_ptl.x + hslink->x) ||
656 (mouse_ptl.x >= char_ptl.x + hslink->x + hslink->width) ||
657 (mouse_ptl.y < char_ptl.y + hslink->y) ||
658 (mouse_ptl.y >= char_ptl.y + hslink->y + hslink->height))
659 continue;
660 break;
661 }
662 if (char_next_ptl.y != char_ptl.y || mouse_ptl.x >= char_next_ptl.x)
663 link = NULL;
664 break;
665 }
666 }
667 return link;
668 }
669
670 static LRESULT CALLBACK WINHELP_RicheditWndProc(HWND hWnd, UINT msg,
671 WPARAM wParam, LPARAM lParam)
672 {
673 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtrW(GetParent(hWnd), 0);
674 DWORD messagePos;
675 POINT pt;
676 switch(msg)
677 {
678 case WM_SETCURSOR:
679 messagePos = GetMessagePos();
680 pt.x = (short)LOWORD(messagePos);
681 pt.y = (short)HIWORD(messagePos);
682 ScreenToClient(hWnd, &pt);
683 if (win->page && WINHELP_FindLink(win, MAKELPARAM(pt.x, pt.y)))
684 {
685 SetCursor(win->hHandCur);
686 return 0;
687 }
688 /* fall through */
689 default:
690 return CallWindowProcA(win->origRicheditWndProc, hWnd, msg, wParam, lParam);
691 }
692 }
693
694 /***********************************************************************
695 *
696 * WINHELP_CreateHelpWindow
697 */
698 BOOL WINHELP_CreateHelpWindow(WINHELP_WNDPAGE* wpage, int nCmdShow, BOOL remember)
699 {
700 WINHELP_WINDOW* win = NULL;
701 BOOL bPrimary, bPopup, bReUsed = FALSE;
702 HICON hIcon;
703 HWND hTextWnd = NULL;
704
705 bPrimary = !lstrcmpiA(wpage->wininfo->name, "main");
706 bPopup = !bPrimary && (wpage->wininfo->win_style & WS_POPUP);
707
708 if (!bPopup)
709 {
710 for (win = Globals.win_list; win; win = win->next)
711 {
712 if (!lstrcmpiA(win->info->name, wpage->wininfo->name))
713 {
714 if (win->page == wpage->page && win->info == wpage->wininfo)
715 {
716 /* see #22979, some hlp files have a macro (run at page opening), which
717 * jumps to the very same page
718 * Exit gracefully in that case
719 */
720 return TRUE;
721 }
722 WINHELP_DeleteButtons(win);
723 bReUsed = TRUE;
724 SetWindowTextA(win->hMainWnd, WINHELP_GetCaption(wpage));
725 if (win->info != wpage->wininfo)
726 {
727 POINT pt = {0, 0};
728 SIZE sz = {0, 0};
729 DWORD flags = SWP_NOSIZE | SWP_NOMOVE;
730
731 if (wpage->wininfo->origin.x != CW_USEDEFAULT &&
732 wpage->wininfo->origin.y != CW_USEDEFAULT)
733 {
734 pt = wpage->wininfo->origin;
735 flags &= ~SWP_NOSIZE;
736 }
737 if (wpage->wininfo->size.cx != CW_USEDEFAULT &&
738 wpage->wininfo->size.cy != CW_USEDEFAULT)
739 {
740 sz = wpage->wininfo->size;
741 flags &= ~SWP_NOMOVE;
742 }
743 SetWindowPos(win->hMainWnd, HWND_TOP, pt.x, pt.y, sz.cx, sz.cy, flags);
744 }
745
746 if (wpage->page && win->page && wpage->page->file != win->page->file)
747 WINHELP_DeleteBackSet(win);
748 WINHELP_InitFonts(win->hMainWnd);
749
750 win->page = wpage->page;
751 win->info = wpage->wininfo;
752 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
753 WINHELP_SetupText(hTextWnd, win, wpage->relative);
754
755 InvalidateRect(win->hMainWnd, NULL, TRUE);
756 if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
757
758 break;
759 }
760 }
761 }
762
763 if (!win)
764 {
765 /* Initialize WINHELP_WINDOW struct */
766 win = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINHELP_WINDOW));
767 if (!win) return FALSE;
768 win->next = Globals.win_list;
769 Globals.win_list = win;
770
771 win->hHandCur = LoadCursorW(0, (LPWSTR)IDC_HAND);
772 win->back.index = 0;
773 win->font_scale = 1;
774 WINHELP_GrabWindow(win);
775 }
776 win->page = wpage->page;
777 win->info = wpage->wininfo;
778 WINHELP_GrabWindow(win);
779
780 if (!bPopup && wpage->page && remember)
781 {
782 WINHELP_RememberPage(win, wpage);
783 }
784
785 if (bPopup)
786 Globals.active_popup = win;
787 else
788 Globals.active_win = win;
789
790 /* Initialize default pushbuttons */
791 if (bPrimary && wpage->page)
792 {
793 CHAR buffer[MAX_STRING_LEN];
794
795 LoadStringA(Globals.hInstance, STID_CONTENTS, buffer, sizeof(buffer));
796 MACRO_CreateButton("BTN_CONTENTS", buffer, "Contents()");
797 LoadStringA(Globals.hInstance, STID_INDEX, buffer, sizeof(buffer));
798 MACRO_CreateButton("BTN_INDEX", buffer, "Finder()");
799 LoadStringA(Globals.hInstance, STID_BACK, buffer, sizeof(buffer));
800 MACRO_CreateButton("BTN_BACK", buffer, "Back()");
801 if (win->back.index <= 1) MACRO_DisableButton("BTN_BACK");
802 }
803
804 if (!bReUsed)
805 {
806 win->hMainWnd = CreateWindowExA((bPopup) ? WS_EX_TOOLWINDOW : 0, MAIN_WIN_CLASS_NAME,
807 WINHELP_GetCaption(wpage),
808 bPrimary ? WS_OVERLAPPEDWINDOW : wpage->wininfo->win_style,
809 wpage->wininfo->origin.x, wpage->wininfo->origin.y,
810 wpage->wininfo->size.cx, wpage->wininfo->size.cy,
811 bPopup ? Globals.active_win->hMainWnd : NULL,
812 bPrimary ? LoadMenuW(Globals.hInstance, MAKEINTRESOURCEW(MAIN_MENU)) : 0,
813 Globals.hInstance, win);
814 if (!bPopup)
815 /* Create button box and text Window */
816 CreateWindowA(BUTTON_BOX_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
817 0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_BUTTON, Globals.hInstance, NULL);
818
819 hTextWnd = CreateWindowA(RICHEDIT_CLASS20A, NULL,
820 ES_MULTILINE | ES_READONLY | WS_CHILD | WS_HSCROLL | WS_VSCROLL | WS_VISIBLE,
821 0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_TEXT, Globals.hInstance, NULL);
822 SendMessageW(hTextWnd, EM_SETEVENTMASK, 0,
823 SendMessageW(hTextWnd, EM_GETEVENTMASK, 0, 0) | ENM_MOUSEEVENTS);
824 win->origRicheditWndProc = (WNDPROC)SetWindowLongPtrA(hTextWnd, GWLP_WNDPROC,
825 (LONG_PTR)WINHELP_RicheditWndProc);
826 }
827
828 hIcon = (wpage->page) ? wpage->page->file->hIcon : NULL;
829 if (!hIcon) hIcon = LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IDI_WINHELP), IMAGE_ICON,
830 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
831 SendMessageW(win->hMainWnd, WM_SETICON, ICON_SMALL, (DWORD_PTR)hIcon);
832
833 /* Initialize file specific pushbuttons */
834 if (!(wpage->wininfo->win_style & WS_POPUP) && wpage->page)
835 {
836 HLPFILE_MACRO *macro;
837 for (macro = wpage->page->file->first_macro; macro; macro = macro->next)
838 MACRO_ExecuteMacro(win, macro->lpszMacro);
839
840 for (macro = wpage->page->first_macro; macro; macro = macro->next)
841 MACRO_ExecuteMacro(win, macro->lpszMacro);
842 }
843 /* See #17681, in some cases, the newly created window is closed by the macros it contains
844 * (braindead), so deal with this case
845 */
846 for (win = Globals.win_list; win; win = win->next)
847 {
848 if (!lstrcmpiA(win->info->name, wpage->wininfo->name)) break;
849 }
850 if (!win || !WINHELP_ReleaseWindow(win)) return TRUE;
851
852 if (bPopup)
853 {
854 DWORD mask = SendMessageW(hTextWnd, EM_GETEVENTMASK, 0, 0);
855
856 win->font_scale = Globals.active_win->font_scale;
857 WINHELP_SetupText(hTextWnd, win, wpage->relative);
858
859 /* we need the window to be shown for richedit to compute the size */
860 ShowWindow(win->hMainWnd, nCmdShow);
861 SendMessageW(hTextWnd, EM_SETEVENTMASK, 0, mask | ENM_REQUESTRESIZE);
862 SendMessageW(hTextWnd, EM_REQUESTRESIZE, 0, 0);
863 SendMessageW(hTextWnd, EM_SETEVENTMASK, 0, mask);
864 }
865 else
866 {
867 WINHELP_SetupText(hTextWnd, win, wpage->relative);
868 WINHELP_LayoutMainWindow(win);
869 ShowWindow(win->hMainWnd, nCmdShow);
870 }
871
872 return TRUE;
873 }
874
875 /******************************************************************
876 * WINHELP_OpenHelpWindow
877 * Main function to search for a page and display it in a window
878 */
879 BOOL WINHELP_OpenHelpWindow(HLPFILE_PAGE* (*lookup)(HLPFILE*, LONG, ULONG*),
880 HLPFILE* hlpfile, LONG val, HLPFILE_WINDOWINFO* wi,
881 int nCmdShow)
882 {
883 WINHELP_WNDPAGE wpage;
884
885 wpage.page = lookup(hlpfile, val, &wpage.relative);
886 if (wpage.page) wpage.page->file->wRefCount++;
887 wpage.wininfo = wi;
888 return WINHELP_CreateHelpWindow(&wpage, nCmdShow, TRUE);
889 }
890
891 /******************************************************************
892 * WINHELP_HandleTextMouse
893 *
894 */
895 static BOOL WINHELP_HandleTextMouse(WINHELP_WINDOW* win, UINT msg, LPARAM lParam)
896 {
897 HLPFILE* hlpfile;
898 HLPFILE_LINK* link;
899 BOOL ret = FALSE;
900
901 switch (msg)
902 {
903 case WM_LBUTTONDOWN:
904 if ((link = WINHELP_FindLink(win, lParam)))
905 {
906 HLPFILE_WINDOWINFO* wi;
907
908 switch (link->cookie)
909 {
910 case hlp_link_link:
911 if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
912 {
913 if (link->window == -1)
914 {
915 wi = win->info;
916 if (wi->win_style & WS_POPUP) wi = Globals.active_win->info;
917 }
918 else if (link->window < hlpfile->numWindows)
919 wi = &hlpfile->windows[link->window];
920 else
921 {
922 WINE_WARN("link to window %d/%d\n", link->window, hlpfile->numWindows);
923 break;
924 }
925 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash, wi, SW_NORMAL);
926 }
927 break;
928 case hlp_link_popup:
929 if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
930 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash,
931 WINHELP_GetPopupWindowInfo(hlpfile, win, lParam),
932 SW_NORMAL);
933 break;
934 case hlp_link_macro:
935 MACRO_ExecuteMacro(win, link->string);
936 break;
937 default:
938 WINE_FIXME("Unknown link cookie %d\n", link->cookie);
939 }
940 ret = TRUE;
941 }
942 break;
943 }
944 return ret;
945 }
946
947 /***********************************************************************
948 *
949 * WINHELP_CheckPopup
950 */
951 static BOOL WINHELP_CheckPopup(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT* lret)
952 {
953 WINHELP_WINDOW* popup;
954
955 if (!Globals.active_popup) return FALSE;
956
957 switch (msg)
958 {
959 case WM_NOTIFY:
960 {
961 MSGFILTER* msgf = (MSGFILTER*)lParam;
962 if (msgf->nmhdr.code == EN_MSGFILTER)
963 {
964 if (!WINHELP_CheckPopup(hWnd, msgf->msg, msgf->wParam, msgf->lParam, NULL))
965 return FALSE;
966 if (lret) *lret = 1;
967 return TRUE;
968 }
969 }
970 break;
971 case WM_ACTIVATE:
972 if (LOWORD(wParam) != WA_INACTIVE || (HWND)lParam == Globals.active_win->hMainWnd ||
973 (HWND)lParam == Globals.active_popup->hMainWnd ||
974 GetWindow((HWND)lParam, GW_OWNER) == Globals.active_win->hMainWnd)
975 break;
976 /* fall through */
977 case WM_LBUTTONDOWN:
978 if (msg == WM_LBUTTONDOWN)
979 WINHELP_HandleTextMouse(Globals.active_popup, msg, lParam);
980 /* fall through */
981 case WM_MBUTTONDOWN:
982 case WM_RBUTTONDOWN:
983 case WM_NCLBUTTONDOWN:
984 case WM_NCMBUTTONDOWN:
985 case WM_NCRBUTTONDOWN:
986 popup = Globals.active_popup;
987 Globals.active_popup = NULL;
988 WINHELP_ReleaseWindow(popup);
989 if (lret) *lret = 1;
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 SendMessageA(GetParent(hWnd), msg, wParam, lParam);
1013 }
1014 }
1015
1016 return CallWindowProcA(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*) GetWindowLongPtrW(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 = CreateWindowA(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) GetWindowLongPtrA(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 SetWindowLongPtrA(button->hWnd, GWLP_WNDPROC, (LONG_PTR) WINHELP_ButtonWndProc);
1066 if (Globals.hButtonFont)
1067 SendMessageW(button->hWnd, WM_SETFONT, (WPARAM)Globals.hButtonFont, TRUE);
1068 }
1069 }
1070 hDc = GetDC(button->hWnd);
1071 GetTextExtentPointA(hDc, button->lpszName, strlen(button->lpszName), &textsize);
1072 ReleaseDC(button->hWnd, hDc);
1073
1074 button_size.cx = max(button_size.cx, textsize.cx + BUTTON_CX);
1075 button_size.cy = max(button_size.cy, textsize.cy + BUTTON_CY);
1076 }
1077
1078 x = 0;
1079 y = 0;
1080 for (button = win->first_button; button; button = button->next)
1081 {
1082 SetWindowPos(button->hWnd, HWND_TOP, x, y, button_size.cx, button_size.cy, 0);
1083
1084 if (x + 2 * button_size.cx <= winpos->cx)
1085 x += button_size.cx;
1086 else
1087 x = 0, y += button_size.cy;
1088 }
1089 winpos->cy = y + (x ? button_size.cy : 0);
1090 break;
1091
1092 case WM_COMMAND:
1093 SendMessageW(GetParent(hWnd), msg, wParam, lParam);
1094 break;
1095
1096 case WM_KEYDOWN:
1097 switch (wParam)
1098 {
1099 case VK_UP:
1100 case VK_DOWN:
1101 case VK_PRIOR:
1102 case VK_NEXT:
1103 case VK_ESCAPE:
1104 return SendMessageA(GetParent(hWnd), msg, wParam, lParam);
1105 }
1106 break;
1107 }
1108
1109 return DefWindowProcA(hWnd, msg, wParam, lParam);
1110 }
1111
1112 /******************************************************************
1113 * WINHELP_HistoryWndProc
1114 *
1115 *
1116 */
1117 static LRESULT CALLBACK WINHELP_HistoryWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1118 {
1119 WINHELP_WINDOW* win;
1120 PAINTSTRUCT ps;
1121 HDC hDc;
1122 TEXTMETRICW tm;
1123 unsigned int i;
1124 RECT r;
1125
1126 switch (msg)
1127 {
1128 case WM_NCCREATE:
1129 win = (WINHELP_WINDOW*)((LPCREATESTRUCTA)lParam)->lpCreateParams;
1130 SetWindowLongPtrW(hWnd, 0, (ULONG_PTR)win);
1131 win->hHistoryWnd = hWnd;
1132 break;
1133 case WM_CREATE:
1134 hDc = GetDC(hWnd);
1135 GetTextMetricsW(hDc, &tm);
1136 GetWindowRect(hWnd, &r);
1137
1138 r.right = r.left + 30 * tm.tmAveCharWidth;
1139 r.bottom = r.top + (sizeof(Globals.history.set) / sizeof(Globals.history.set[0])) * tm.tmHeight;
1140 AdjustWindowRect(&r, GetWindowLongW(hWnd, GWL_STYLE), FALSE);
1141 if (r.left < 0) {r.right -= r.left; r.left = 0;}
1142 if (r.top < 0) {r.bottom -= r.top; r.top = 0;}
1143
1144 MoveWindow(hWnd, r.left, r.top, r.right, r.bottom, TRUE);
1145 ReleaseDC(hWnd, hDc);
1146 break;
1147 case WM_LBUTTONDOWN:
1148 hDc = GetDC(hWnd);
1149 GetTextMetricsW(hDc, &tm);
1150 i = HIWORD(lParam) / tm.tmHeight;
1151 if (i < Globals.history.index)
1152 WINHELP_CreateHelpWindow(&Globals.history.set[i], SW_SHOW, TRUE);
1153 ReleaseDC(hWnd, hDc);
1154 break;
1155 case WM_PAINT:
1156 hDc = BeginPaint(hWnd, &ps);
1157 GetTextMetricsW(hDc, &tm);
1158
1159 for (i = 0; i < Globals.history.index; i++)
1160 {
1161 if (Globals.history.set[i].page->file == Globals.active_win->page->file)
1162 {
1163 TextOutA(hDc, 0, i * tm.tmHeight,
1164 Globals.history.set[i].page->lpszTitle,
1165 strlen(Globals.history.set[i].page->lpszTitle));
1166 }
1167 else
1168 {
1169 char buffer[1024];
1170 const char* ptr1;
1171 const char* ptr2;
1172 unsigned len;
1173
1174 ptr1 = strrchr(Globals.history.set[i].page->file->lpszPath, '\\');
1175 if (!ptr1) ptr1 = Globals.history.set[i].page->file->lpszPath;
1176 else ptr1++;
1177 ptr2 = strrchr(ptr1, '.');
1178 len = ptr2 ? ptr2 - ptr1 : strlen(ptr1);
1179 if (len > sizeof(buffer)) len = sizeof(buffer);
1180 memcpy(buffer, ptr1, len);
1181 if (len < sizeof(buffer)) buffer[len++] = ':';
1182 lstrcpynA(&buffer[len], Globals.history.set[i].page->lpszTitle, sizeof(buffer) - len);
1183 TextOutA(hDc, 0, i * tm.tmHeight, buffer, strlen(buffer));
1184 }
1185 }
1186 EndPaint(hWnd, &ps);
1187 break;
1188 case WM_DESTROY:
1189 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1190 if (hWnd == win->hHistoryWnd)
1191 win->hHistoryWnd = 0;
1192 break;
1193 }
1194 return DefWindowProcA(hWnd, msg, wParam, lParam);
1195 }
1196
1197 /**************************************************************************
1198 * cb_KWBTree
1199 *
1200 * HLPFILE_BPTreeCallback enumeration function for '|KWBTREE' internal file.
1201 *
1202 */
1203 static void cb_KWBTree(void *p, void **next, void *cookie)
1204 {
1205 HWND hListWnd = cookie;
1206 int count;
1207
1208 WINE_TRACE("Adding %s to search list\n", debugstr_a((char *)p));
1209 SendMessageA(hListWnd, LB_INSERTSTRING, -1, (LPARAM)p);
1210 count = SendMessageW(hListWnd, LB_GETCOUNT, 0, 0);
1211 SendMessageW(hListWnd, LB_SETITEMDATA, count-1, (LPARAM)p);
1212 *next = (char*)p + strlen((char*)p) + 7;
1213 }
1214
1215 struct index_data
1216 {
1217 HLPFILE* hlpfile;
1218 BOOL jump;
1219 ULONG offset;
1220 };
1221
1222 /**************************************************************************
1223 * WINHELP_IndexDlgProc
1224 *
1225 */
1226 static INT_PTR CALLBACK WINHELP_IndexDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1227 {
1228 static struct index_data* id;
1229 int sel;
1230
1231 switch (msg)
1232 {
1233 case WM_INITDIALOG:
1234 id = (struct index_data*)((PROPSHEETPAGEA*)lParam)->lParam;
1235 HLPFILE_BPTreeEnum(id->hlpfile->kwbtree, cb_KWBTree,
1236 GetDlgItem(hWnd, IDC_INDEXLIST));
1237 id->jump = FALSE;
1238 id->offset = 1;
1239 return TRUE;
1240 case WM_COMMAND:
1241 switch (HIWORD(wParam))
1242 {
1243 case LBN_DBLCLK:
1244 if (LOWORD(wParam) == IDC_INDEXLIST)
1245 SendMessageW(GetParent(hWnd), PSM_PRESSBUTTON, PSBTN_OK, 0);
1246 break;
1247 }
1248 break;
1249 case WM_NOTIFY:
1250 switch (((NMHDR*)lParam)->code)
1251 {
1252 case PSN_APPLY:
1253 sel = SendDlgItemMessageW(hWnd, IDC_INDEXLIST, LB_GETCURSEL, 0, 0);
1254 if (sel != LB_ERR)
1255 {
1256 BYTE *p;
1257 int count;
1258
1259 p = (BYTE*)SendDlgItemMessageW(hWnd, IDC_INDEXLIST, LB_GETITEMDATA, sel, 0);
1260 count = *(short*)((char *)p + strlen((char *)p) + 1);
1261 if (count > 1)
1262 {
1263 MessageBoxA(hWnd, "count > 1 not supported yet", "Error", MB_OK | MB_ICONSTOP);
1264 SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, PSNRET_INVALID);
1265 return TRUE;
1266 }
1267 id->offset = *(ULONG*)((char *)p + strlen((char *)p) + 3);
1268 id->offset = *(long*)(id->hlpfile->kwdata + id->offset + 9);
1269 if (id->offset == 0xFFFFFFFF)
1270 {
1271 MessageBoxA(hWnd, "macro keywords not supported yet", "Error", MB_OK | MB_ICONSTOP);
1272 SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, PSNRET_INVALID);
1273 return TRUE;
1274 }
1275 id->jump = TRUE;
1276 SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, PSNRET_NOERROR);
1277 }
1278 return TRUE;
1279 default:
1280 return FALSE;
1281 }
1282 break;
1283 default:
1284 break;
1285 }
1286 return FALSE;
1287 }
1288
1289 /**************************************************************************
1290 * WINHELP_SearchDlgProc
1291 *
1292 */
1293 static INT_PTR CALLBACK WINHELP_SearchDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1294 {
1295 switch (msg)
1296 {
1297 case WM_INITDIALOG:
1298 return TRUE;
1299 case WM_NOTIFY:
1300 switch (((NMHDR*)lParam)->code)
1301 {
1302 case PSN_APPLY:
1303 SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, PSNRET_NOERROR);
1304 return TRUE;
1305 default:
1306 return FALSE;
1307 }
1308 break;
1309 default:
1310 break;
1311 }
1312 return FALSE;
1313 }
1314
1315 /***********************************************************************
1316 *
1317 * WINHELP_MainWndProc
1318 */
1319 static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1320 {
1321 WINHELP_WINDOW *win;
1322 WINHELP_BUTTON *button;
1323 HWND hTextWnd;
1324 LRESULT ret;
1325
1326 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, &ret)) return ret;
1327
1328 switch (msg)
1329 {
1330 case WM_NCCREATE:
1331 win = (WINHELP_WINDOW*) ((LPCREATESTRUCTA) lParam)->lpCreateParams;
1332 SetWindowLongPtrW(hWnd, 0, (ULONG_PTR) win);
1333 if (!win->page && Globals.isBook)
1334 PostMessageW(hWnd, WM_COMMAND, MNID_FILE_OPEN, 0);
1335 win->hMainWnd = hWnd;
1336 break;
1337
1338 case WM_WINDOWPOSCHANGED:
1339 WINHELP_LayoutMainWindow((WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0));
1340 break;
1341
1342 case WM_COMMAND:
1343 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1344 switch (LOWORD(wParam))
1345 {
1346 /* Menu FILE */
1347 case MNID_FILE_OPEN: MACRO_FileOpen(); break;
1348 case MNID_FILE_PRINT: MACRO_Print(); break;
1349 case MNID_FILE_SETUP: MACRO_PrinterSetup(); break;
1350 case MNID_FILE_EXIT: MACRO_Exit(); break;
1351
1352 /* Menu EDIT */
1353 case MNID_EDIT_COPYDLG:
1354 SendDlgItemMessageW(hWnd, CTL_ID_TEXT, WM_COPY, 0, 0);
1355 break;
1356 case MNID_EDIT_ANNOTATE:MACRO_Annotate(); break;
1357
1358 /* Menu Bookmark */
1359 case MNID_BKMK_DEFINE: MACRO_BookmarkDefine(); break;
1360
1361 /* Menu Help */
1362 case MNID_HELP_HELPON: MACRO_HelpOn(); break;
1363 case MNID_HELP_HELPTOP: MACRO_HelpOnTop(); break;
1364 case MNID_HELP_ABOUT: MACRO_About(); break;
1365
1366 /* Context help */
1367 case MNID_CTXT_ANNOTATE:MACRO_Annotate(); break;
1368 case MNID_CTXT_COPY: MACRO_CopyDialog(); break;
1369 case MNID_CTXT_PRINT: MACRO_Print(); break;
1370 case MNID_OPTS_HISTORY: MACRO_History(); break;
1371 case MNID_OPTS_FONTS_SMALL:
1372 case MNID_CTXT_FONTS_SMALL:
1373 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1374 if (win->font_scale != 0)
1375 {
1376 win->font_scale = 0;
1377 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1378 }
1379 break;
1380 case MNID_OPTS_FONTS_NORMAL:
1381 case MNID_CTXT_FONTS_NORMAL:
1382 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1383 if (win->font_scale != 1)
1384 {
1385 win->font_scale = 1;
1386 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1387 }
1388 break;
1389 case MNID_OPTS_FONTS_LARGE:
1390 case MNID_CTXT_FONTS_LARGE:
1391 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1392 if (win->font_scale != 2)
1393 {
1394 win->font_scale = 2;
1395 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1396 }
1397 break;
1398
1399 default:
1400 /* Buttons */
1401 for (button = win->first_button; button; button = button->next)
1402 if (wParam == button->wParam) break;
1403 if (button)
1404 MACRO_ExecuteMacro(win, button->lpszMacro);
1405 else if (!HIWORD(wParam))
1406 MessageBoxW(0, MAKEINTRESOURCEW(STID_NOT_IMPLEMENTED),
1407 MAKEINTRESOURCEW(STID_WHERROR), MB_OK);
1408 break;
1409 }
1410 break;
1411 /* EPP case WM_DESTROY: */
1412 /* EPP if (Globals.hPopupWnd) DestroyWindow(Globals.hPopupWnd); */
1413 /* EPP break; */
1414 case WM_COPYDATA:
1415 return WINHELP_HandleCommand((HWND)wParam, lParam);
1416
1417 case WM_CHAR:
1418 if (wParam == 3)
1419 {
1420 SendDlgItemMessageW(hWnd, CTL_ID_TEXT, WM_COPY, 0, 0);
1421 return 0;
1422 }
1423 break;
1424
1425 case WM_KEYDOWN:
1426 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1427 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
1428
1429 switch (wParam)
1430 {
1431 case VK_UP:
1432 SendMessageW(hTextWnd, EM_SCROLL, SB_LINEUP, 0);
1433 return 0;
1434 case VK_DOWN:
1435 SendMessageW(hTextWnd, EM_SCROLL, SB_LINEDOWN, 0);
1436 return 0;
1437 case VK_PRIOR:
1438 SendMessageW(hTextWnd, EM_SCROLL, SB_PAGEUP, 0);
1439 return 0;
1440 case VK_NEXT:
1441 SendMessageW(hTextWnd, EM_SCROLL, SB_PAGEDOWN, 0);
1442 return 0;
1443 case VK_ESCAPE:
1444 MACRO_Exit();
1445 return 0;
1446 }
1447 break;
1448
1449 case WM_NOTIFY:
1450 if (wParam == CTL_ID_TEXT)
1451 {
1452 RECT rc;
1453
1454 switch (((NMHDR*)lParam)->code)
1455 {
1456 case EN_MSGFILTER:
1457 {
1458 const MSGFILTER* msgf = (const MSGFILTER*)lParam;
1459 switch (msgf->msg)
1460 {
1461 case WM_KEYUP:
1462 if (msgf->wParam == VK_ESCAPE)
1463 WINHELP_ReleaseWindow((WINHELP_WINDOW*)GetWindowLongPtrW(hWnd, 0));
1464 break;
1465 case WM_RBUTTONDOWN:
1466 {
1467 HMENU hMenu;
1468 POINT pt;
1469
1470 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1471 hMenu = LoadMenuW(Globals.hInstance, MAKEINTRESOURCEW(CONTEXT_MENU));
1472 switch (win->font_scale)
1473 {
1474 case 0:
1475 CheckMenuItem(hMenu, MNID_CTXT_FONTS_SMALL,
1476 MF_BYCOMMAND|MF_CHECKED);
1477 break;
1478 default:
1479 WINE_FIXME("Unsupported %d\n", win->font_scale);
1480 /* fall through */
1481 case 1:
1482 CheckMenuItem(hMenu, MNID_CTXT_FONTS_NORMAL,
1483 MF_BYCOMMAND|MF_CHECKED);
1484 break;
1485 case 2:
1486 CheckMenuItem(hMenu, MNID_CTXT_FONTS_LARGE,
1487 MF_BYCOMMAND|MF_CHECKED);
1488 break;
1489 }
1490 pt.x = (int)(short)LOWORD(msgf->lParam);
1491 pt.y = (int)(short)HIWORD(msgf->lParam);
1492 ClientToScreen(msgf->nmhdr.hwndFrom, &pt);
1493 TrackPopupMenu(GetSubMenu(hMenu, 0), TPM_LEFTALIGN|TPM_TOPALIGN,
1494 pt.x, pt.y, 0, hWnd, NULL);
1495 DestroyMenu(hMenu);
1496 }
1497 break;
1498 default:
1499 return WINHELP_HandleTextMouse((WINHELP_WINDOW*)GetWindowLongPtrW(hWnd, 0),
1500 msgf->msg, msgf->lParam);
1501 }
1502 }
1503 break;
1504
1505 case EN_REQUESTRESIZE:
1506 rc = ((REQRESIZE*)lParam)->rc;
1507 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1508 AdjustWindowRect(&rc, GetWindowLongW(win->hMainWnd, GWL_STYLE),
1509 FALSE);
1510 SetWindowPos(win->hMainWnd, HWND_TOP, 0, 0,
1511 rc.right - rc.left, rc.bottom - rc.top,
1512 SWP_NOMOVE | SWP_NOZORDER);
1513 WINHELP_LayoutMainWindow(win);
1514 break;
1515 }
1516 }
1517 break;
1518
1519 case WM_INITMENUPOPUP:
1520 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1521 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_SMALL,
1522 (win->font_scale == 0) ? MF_CHECKED : MF_UNCHECKED);
1523 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_NORMAL,
1524 (win->font_scale == 1) ? MF_CHECKED : MF_UNCHECKED);
1525 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_LARGE,
1526 (win->font_scale == 2) ? MF_CHECKED : MF_UNCHECKED);
1527 break;
1528 case WM_DESTROY:
1529 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1530 WINHELP_DeleteWindow(win);
1531 break;
1532 }
1533 return DefWindowProcA(hWnd, msg, wParam, lParam);
1534 }
1535
1536 /**************************************************************************
1537 * WINHELP_CreateIndexWindow
1538 *
1539 * Displays a dialog with keywords of current help file.
1540 *
1541 */
1542 BOOL WINHELP_CreateIndexWindow(BOOL is_search)
1543 {
1544 HPROPSHEETPAGE psPage[3];
1545 PROPSHEETPAGEA psp;
1546 PROPSHEETHEADERA psHead;
1547 struct index_data id;
1548 char buf[256];
1549
1550 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
1551 id.hlpfile = Globals.active_win->page->file;
1552 else
1553 return FALSE;
1554
1555 if (id.hlpfile->kwbtree == NULL)
1556 {
1557 WINE_TRACE("No index provided\n");
1558 return FALSE;
1559 }
1560
1561 InitCommonControls();
1562
1563 id.jump = FALSE;
1564 memset(&psp, 0, sizeof(psp));
1565 psp.dwSize = sizeof(psp);
1566 psp.dwFlags = 0;
1567 psp.hInstance = Globals.hInstance;
1568
1569 psp.u.pszTemplate = MAKEINTRESOURCEA(IDD_INDEX);
1570 psp.lParam = (LPARAM)&id;
1571 psp.pfnDlgProc = WINHELP_IndexDlgProc;
1572 psPage[0] = CreatePropertySheetPageA(&psp);
1573
1574 psp.u.pszTemplate = MAKEINTRESOURCEA(IDD_SEARCH);
1575 psp.lParam = (LPARAM)&id;
1576 psp.pfnDlgProc = WINHELP_SearchDlgProc;
1577 psPage[1] = CreatePropertySheetPageA(&psp);
1578
1579 memset(&psHead, 0, sizeof(psHead));
1580 psHead.dwSize = sizeof(psHead);
1581
1582 LoadStringA(Globals.hInstance, STID_PSH_INDEX, buf, sizeof(buf));
1583 strcat(buf, Globals.active_win->info->caption);
1584
1585 psHead.pszCaption = buf;
1586 psHead.nPages = 2;
1587 psHead.u2.nStartPage = is_search ? 1 : 0;
1588 psHead.hwndParent = Globals.active_win->hMainWnd;
1589 psHead.u3.phpage = psPage;
1590 psHead.dwFlags = PSH_NOAPPLYNOW;
1591
1592 PropertySheetA(&psHead);
1593 if (id.jump)
1594 {
1595 WINE_TRACE("got %d as an offset\n", id.offset);
1596 WINHELP_OpenHelpWindow(HLPFILE_PageByOffset, id.hlpfile, id.offset,
1597 Globals.active_win->info, SW_NORMAL);
1598 }
1599 return TRUE;
1600 }
1601
1602 /***********************************************************************
1603 *
1604 * RegisterWinClasses
1605 */
1606 static BOOL WINHELP_RegisterWinClasses(void)
1607 {
1608 WNDCLASSEXA class_main, class_button_box, class_history;
1609
1610 class_main.cbSize = sizeof(class_main);
1611 class_main.style = CS_HREDRAW | CS_VREDRAW;
1612 class_main.lpfnWndProc = WINHELP_MainWndProc;
1613 class_main.cbClsExtra = 0;
1614 class_main.cbWndExtra = sizeof(WINHELP_WINDOW *);
1615 class_main.hInstance = Globals.hInstance;
1616 class_main.hIcon = LoadIconW(Globals.hInstance, MAKEINTRESOURCEW(IDI_WINHELP));
1617 class_main.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
1618 class_main.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
1619 class_main.lpszMenuName = 0;
1620 class_main.lpszClassName = MAIN_WIN_CLASS_NAME;
1621 class_main.hIconSm = LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IDI_WINHELP), IMAGE_ICON,
1622 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
1623 LR_SHARED);
1624
1625 class_button_box = class_main;
1626 class_button_box.lpfnWndProc = WINHELP_ButtonBoxWndProc;
1627 class_button_box.cbWndExtra = 0;
1628 class_button_box.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
1629 class_button_box.lpszClassName = BUTTON_BOX_WIN_CLASS_NAME;
1630
1631 class_history = class_main;
1632 class_history.lpfnWndProc = WINHELP_HistoryWndProc;
1633 class_history.lpszClassName = HISTORY_WIN_CLASS_NAME;
1634
1635 return (RegisterClassExA(&class_main) &&
1636 RegisterClassExA(&class_button_box) &&
1637 RegisterClassExA(&class_history));
1638 }
1639
1640 /***********************************************************************
1641 *
1642 * WinMain
1643 */
1644 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
1645 {
1646 MSG msg;
1647 LONG lHash = 0;
1648 HLPFILE* hlpfile;
1649 static CHAR default_wndname[] = "main";
1650 LPSTR wndname = default_wndname;
1651 WINHELP_DLL* dll;
1652 HACCEL hAccel;
1653
1654 Globals.hInstance = hInstance;
1655
1656 if (LoadLibraryA("riched20.dll") == NULL)
1657 return MessageBoxW(0, MAKEINTRESOURCEW(STID_NO_RICHEDIT),
1658 MAKEINTRESOURCEW(STID_WHERROR), MB_OK);
1659
1660 /* Get options */
1661 while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
1662 {
1663 CHAR option;
1664 LPCSTR topic_id;
1665 if (*cmdline++ == ' ') continue;
1666
1667 option = *cmdline;
1668 if (option) cmdline++;
1669 while (*cmdline == ' ') cmdline++;
1670 switch (option)
1671 {
1672 case 'i':
1673 case 'I':
1674 topic_id = cmdline;
1675 while (*cmdline && *cmdline != ' ') cmdline++;
1676 if (*cmdline) *cmdline++ = '\0';
1677 lHash = HLPFILE_Hash(topic_id);
1678 break;
1679
1680 case '3':
1681 case '4':
1682 Globals.wVersion = option - '0';
1683 break;
1684
1685 case 'x':
1686 show = SW_HIDE;
1687 Globals.isBook = FALSE;
1688 break;
1689
1690 default:
1691 WINE_FIXME("Unsupported cmd line: %s\n", debugstr_a(cmdline));
1692 break;
1693 }
1694 }
1695
1696 /* Create primary window */
1697 if (!WINHELP_RegisterWinClasses())
1698 {
1699 WINE_FIXME("Couldn't register classes\n");
1700 return 0;
1701 }
1702
1703 if (*cmdline)
1704 {
1705 char* ptr;
1706 if ((*cmdline == '"') && (ptr = strchr(cmdline+1, '"')))
1707 {
1708 cmdline++;
1709 *ptr = '\0';
1710 }
1711 if ((ptr = strchr(cmdline, '>')))
1712 {
1713 *ptr = '\0';
1714 wndname = ptr + 1;
1715 }
1716 hlpfile = WINHELP_LookupHelpFile(cmdline);
1717 if (!hlpfile) return 0;
1718 }
1719 else hlpfile = NULL;
1720 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, lHash,
1721 WINHELP_GetWindowInfo(hlpfile, wndname), show);
1722
1723 /* Message loop */
1724 hAccel = LoadAcceleratorsW(hInstance, MAKEINTRESOURCEW(MAIN_ACCEL));
1725 while ((Globals.win_list || Globals.active_popup) && GetMessageW(&msg, 0, 0, 0))
1726 {
1727 HWND hWnd = Globals.active_win ? Globals.active_win->hMainWnd : NULL;
1728 if (!TranslateAcceleratorW(hWnd, hAccel, &msg))
1729 {
1730 TranslateMessage(&msg);
1731 DispatchMessageW(&msg);
1732 }
1733 }
1734 for (dll = Globals.dlls; dll; dll = dll->next)
1735 {
1736 if (dll->class & DC_INITTERM) dll->handler(DW_TERM, 0, 0);
1737 }
1738 return 0;
1739 }
Windows API implementation