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makefiles: Generate explicit build rules for bison files from makedep.
[wine.git] / programs / winhlp32 / winhelp.c
blob3a421da99fed086e94a3c9176ee5f14c0ddb7d45
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*) GetWindowLongPtrW(hWnd, 0);
62 LOGFONTW logfontlist[] = {
63 {-10, 0, 0, 0, 400, 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, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
66 {-12, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
67 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
68 {-10, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}},
69 { -8, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, {'H','e','l','v',0}}};
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] = CreateFontIndirectW(&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 static const WCHAR emptyW[1];
108 /* At first clear area - needed by EM_POSFROMCHAR/EM_SETSCROLLPOS */
109 SendMessageW(hTextWnd, WM_SETTEXT, 0, (LPARAM)emptyW);
110 SendMessageW(hTextWnd, WM_SETREDRAW, FALSE, 0);
111 SendMessageW(hTextWnd, EM_SETBKGNDCOLOR, 0, (LPARAM)win->info->sr_color);
112 /* set word-wrap to window size (undocumented) */
113 SendMessageW(hTextWnd, EM_SETTARGETDEVICE, 0, 0);
114 if (win->page)
115 {
116 struct RtfData rd;
117 EDITSTREAM es;
118 unsigned cp = 0;
119 POINTL ptl;
120 POINT pt;
121
122
123 if (HLPFILE_BrowsePage(win->page, &rd, win->font_scale, relative))
124 {
125 rd.where = rd.data;
126 es.dwCookie = (DWORD_PTR)&rd;
127 es.dwError = 0;
128 es.pfnCallback = WINHELP_RtfStreamIn;
129
130 SendMessageW(hTextWnd, EM_STREAMIN, SF_RTF, (LPARAM)&es);
131 cp = rd.char_pos_rel;
132 }
133 /* FIXME: else leaking potentially the rd.first_link chain */
134 HeapFree(GetProcessHeap(), 0, rd.data);
135 SendMessageW(hTextWnd, EM_POSFROMCHAR, (WPARAM)&ptl, cp ? cp - 1 : 0);
136 pt.x = 0; pt.y = ptl.y;
137 SendMessageW(hTextWnd, EM_SETSCROLLPOS, 0, (LPARAM)&pt);
138 }
139 SendMessageW(hTextWnd, WM_SETREDRAW, TRUE, 0);
140 RedrawWindow(hTextWnd, NULL, NULL, RDW_FRAME|RDW_INVALIDATE);
141 }
142
143 /***********************************************************************
144 *
145 * WINHELP_GetOpenFileName
146 */
147 BOOL WINHELP_GetOpenFileName(LPSTR lpszFile, int len)
148 {
149 OPENFILENAMEA openfilename;
150 CHAR szDir[MAX_PATH];
151 CHAR szzFilter[2 * MAX_STRING_LEN + 100];
152 LPSTR p = szzFilter;
153
154 WINE_TRACE("()\n");
155
156 LoadStringA(Globals.hInstance, STID_HELP_FILES_HLP, p, MAX_STRING_LEN);
157 p += strlen(p) + 1;
158 strcpy(p, "*.hlp");
159 p += strlen(p) + 1;
160 LoadStringA(Globals.hInstance, STID_ALL_FILES, p, MAX_STRING_LEN);
161 p += strlen(p) + 1;
162 strcpy(p, "*.*");
163 p += strlen(p) + 1;
164 *p = '\0';
165
166 GetCurrentDirectoryA(sizeof(szDir), szDir);
167
168 lpszFile[0]='\0';
169
170 openfilename.lStructSize = sizeof(openfilename);
171 openfilename.hwndOwner = (Globals.active_win ? Globals.active_win->hMainWnd : 0);
172 openfilename.hInstance = Globals.hInstance;
173 openfilename.lpstrFilter = szzFilter;
174 openfilename.lpstrCustomFilter = 0;
175 openfilename.nMaxCustFilter = 0;
176 openfilename.nFilterIndex = 1;
177 openfilename.lpstrFile = lpszFile;
178 openfilename.nMaxFile = len;
179 openfilename.lpstrFileTitle = 0;
180 openfilename.nMaxFileTitle = 0;
181 openfilename.lpstrInitialDir = szDir;
182 openfilename.lpstrTitle = 0;
183 openfilename.Flags = OFN_ENABLESIZING | OFN_HIDEREADONLY | OFN_READONLY;
184 openfilename.nFileOffset = 0;
185 openfilename.nFileExtension = 0;
186 openfilename.lpstrDefExt = 0;
187 openfilename.lCustData = 0;
188 openfilename.lpfnHook = 0;
189 openfilename.lpTemplateName = 0;
190
191 return GetOpenFileNameA(&openfilename);
192 }
193
194 /***********************************************************************
195 *
196 * WINHELP_MessageBoxIDS_s
197 */
198 static INT WINHELP_MessageBoxIDS_s(UINT ids_text, LPCSTR str, UINT ids_title, WORD type)
199 {
200 CHAR text[MAX_STRING_LEN];
201 CHAR newtext[MAX_STRING_LEN + MAX_PATH];
202
203 LoadStringA(Globals.hInstance, ids_text, text, sizeof(text));
204 wsprintfA(newtext, text, str);
205
206 return MessageBoxA(0, newtext, MAKEINTRESOURCEA(ids_title), type);
207 }
208
209 /***********************************************************************
210 *
211 * WINHELP_LookupHelpFile
212 */
213 HLPFILE* WINHELP_LookupHelpFile(LPCSTR lpszFile)
214 {
215 HLPFILE* hlpfile;
216 char szFullName[MAX_PATH];
217 char szAddPath[MAX_PATH];
218 char *p;
219
220 /*
221 * NOTE: This is needed by popup windows only.
222 * In other cases it's not needed but does not hurt though.
223 */
224 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
225 {
226 strcpy(szAddPath, Globals.active_win->page->file->lpszPath);
227 p = strrchr(szAddPath, '\\');
228 if (p) *p = 0;
229 }
230
231 /*
232 * FIXME: Should we swap conditions?
233 */
234 if (!SearchPathA(NULL, lpszFile, ".hlp", MAX_PATH, szFullName, NULL) &&
235 !SearchPathA(szAddPath, lpszFile, ".hlp", MAX_PATH, szFullName, NULL))
236 {
237 if (WINHELP_MessageBoxIDS_s(STID_FILE_NOT_FOUND_s, lpszFile, STID_WHERROR,
238 MB_YESNO|MB_ICONQUESTION) != IDYES)
239 return NULL;
240 if (!WINHELP_GetOpenFileName(szFullName, MAX_PATH))
241 return NULL;
242 }
243 hlpfile = HLPFILE_ReadHlpFile(szFullName);
244 if (!hlpfile)
245 WINHELP_MessageBoxIDS_s(STID_HLPFILE_ERROR_s, lpszFile,
246 STID_WHERROR, MB_OK|MB_ICONSTOP);
247 return hlpfile;
248 }
249
250 /******************************************************************
251 * WINHELP_GetWindowInfo
252 *
253 *
254 */
255 HLPFILE_WINDOWINFO* WINHELP_GetWindowInfo(HLPFILE* hlpfile, LPCSTR name)
256 {
257 static HLPFILE_WINDOWINFO mwi;
258 unsigned int i;
259
260 if (!name || !name[0])
261 name = Globals.active_win->info->name;
262
263 if (hlpfile)
264 for (i = 0; i < hlpfile->numWindows; i++)
265 if (!lstrcmpiA(hlpfile->windows[i].name, name))
266 return &hlpfile->windows[i];
267
268 if (strcmp(name, "main") != 0)
269 {
270 WINE_FIXME("Couldn't find window info for %s\n", name);
271 assert(0);
272 return NULL;
273 }
274 if (!mwi.name[0])
275 {
276 strcpy(mwi.type, "primary");
277 strcpy(mwi.name, "main");
278 if (hlpfile && hlpfile->lpszTitle[0])
279 {
280 char tmp[128];
281 LoadStringA(Globals.hInstance, STID_WINE_HELP, tmp, sizeof(tmp));
282 snprintf(mwi.caption, sizeof(mwi.caption), "%s %s - %s",
283 hlpfile->lpszTitle, tmp, hlpfile->lpszPath);
284 }
285 else
286 LoadStringA(Globals.hInstance, STID_WINE_HELP, mwi.caption, sizeof(mwi.caption));
287 mwi.origin.x = mwi.origin.y = mwi.size.cx = mwi.size.cy = CW_USEDEFAULT;
288 mwi.style = SW_SHOW;
289 mwi.win_style = WS_OVERLAPPEDWINDOW;
290 mwi.sr_color = mwi.nsr_color = 0xFFFFFF;
291 }
292 return &mwi;
293 }
294
295 /******************************************************************
296 * HLPFILE_GetPopupWindowInfo
297 *
298 *
299 */
300 static HLPFILE_WINDOWINFO* WINHELP_GetPopupWindowInfo(HLPFILE* hlpfile,
301 WINHELP_WINDOW* parent, LPARAM mouse)
302 {
303 static HLPFILE_WINDOWINFO wi;
304
305 RECT parent_rect;
306
307 wi.type[0] = wi.name[0] = wi.caption[0] = '\0';
308
309 /* Calculate horizontal size and position of a popup window */
310 GetWindowRect(parent->hMainWnd, &parent_rect);
311 wi.size.cx = (parent_rect.right - parent_rect.left) / 2;
312 wi.size.cy = 10; /* need a non null value, so that border are taken into account while computing */
313
314 wi.origin.x = (short)LOWORD(mouse);
315 wi.origin.y = (short)HIWORD(mouse);
316 ClientToScreen(parent->hMainWnd, &wi.origin);
317 wi.origin.x -= wi.size.cx / 2;
318 wi.origin.x = min(wi.origin.x, GetSystemMetrics(SM_CXSCREEN) - wi.size.cx);
319 wi.origin.x = max(wi.origin.x, 0);
320
321 wi.style = SW_SHOW;
322 wi.win_style = WS_POPUP | WS_BORDER;
323 if (parent->page->file->has_popup_color)
324 wi.sr_color = parent->page->file->popup_color;
325 else
326 wi.sr_color = parent->info->sr_color;
327 wi.nsr_color = 0xFFFFFF;
328
329 return &wi;
330 }
331
332 typedef struct
333 {
334 WORD size;
335 WORD command;
336 LONG data;
337 LONG reserved;
338 WORD ofsFilename;
339 WORD ofsData;
340 } WINHELP,*LPWINHELP;
341
342 static BOOL WINHELP_HasWorkingWindow(void)
343 {
344 if (!Globals.active_win) return FALSE;
345 if (Globals.active_win->next || Globals.win_list != Globals.active_win) return TRUE;
346 return Globals.active_win->page != NULL && Globals.active_win->page->file != NULL;
347 }
348
349 /******************************************************************
350 * WINHELP_HandleCommand
351 *
352 *
353 */
354 static LRESULT WINHELP_HandleCommand(HWND hSrcWnd, LPARAM lParam)
355 {
356 COPYDATASTRUCT* cds = (COPYDATASTRUCT*)lParam;
357 WINHELP* wh;
358
359 if (cds->dwData != 0xA1DE505)
360 {
361 WINE_FIXME("Wrong magic number (%08lx)\n", cds->dwData);
362 return 0;
363 }
364
365 wh = cds->lpData;
366
367 if (wh)
368 {
369 char* ptr = (wh->ofsFilename) ? (LPSTR)wh + wh->ofsFilename : NULL;
370
371 WINE_TRACE("Got[%u]: cmd=%u data=%08x fn=%s\n",
372 wh->size, wh->command, wh->data, ptr);
373 switch (wh->command)
374 {
375 case HELP_CONTEXT:
376 if (ptr)
377 {
378 MACRO_JumpContext(ptr, "main", wh->data);
379 }
380 if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
381 break;
382 case HELP_QUIT:
383 MACRO_Exit();
384 break;
385 case HELP_CONTENTS:
386 if (ptr)
387 {
388 MACRO_JumpContents(ptr, "main");
389 }
390 if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
391 break;
392 case HELP_HELPONHELP:
393 MACRO_HelpOn();
394 if (!WINHELP_HasWorkingWindow()) MACRO_Exit();
395 break;
396 /* case HELP_SETINDEX: */
397 case HELP_SETCONTENTS:
398 if (ptr)
399 {
400 MACRO_SetContents(ptr, wh->data);
401 }
402 break;
403 case HELP_CONTEXTPOPUP:
404 if (ptr)
405 {
406 MACRO_PopupContext(ptr, wh->data);
407 }
408 break;
409 /* case HELP_FORCEFILE:*/
410 /* case HELP_CONTEXTMENU: */
411 case HELP_FINDER:
412 /* in fact, should be the topic dialog box */
413 WINE_FIXME("HELP_FINDER: stub\n");
414 if (ptr)
415 {
416 MACRO_JumpHash(ptr, "main", 0);
417 }
418 break;
419 /* case HELP_WM_HELP: */
420 /* case HELP_SETPOPUP_POS: */
421 /* case HELP_KEY: */
422 /* case HELP_COMMAND: */
423 /* case HELP_PARTIALKEY: */
424 /* case HELP_MULTIKEY: */
425 /* case HELP_SETWINPOS: */
426 default:
427 WINE_FIXME("Unhandled command (%x) for remote winhelp control\n", wh->command);
428 break;
429 }
430 }
431 /* Always return success for now */
432 return 1;
433 }
434
435 void WINHELP_LayoutMainWindow(WINHELP_WINDOW* win)
436 {
437 RECT rect, button_box_rect;
438 INT text_top = 0;
439 HWND hButtonBoxWnd = GetDlgItem(win->hMainWnd, CTL_ID_BUTTON);
440 HWND hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
441
442 GetClientRect(win->hMainWnd, &rect);
443
444 /* Update button box and text Window */
445 SetWindowPos(hButtonBoxWnd, HWND_TOP,
446 rect.left, rect.top,
447 rect.right - rect.left,
448 rect.bottom - rect.top, 0);
449
450 if (GetWindowRect(hButtonBoxWnd, &button_box_rect))
451 text_top = rect.top + button_box_rect.bottom - button_box_rect.top;
452
453 SetWindowPos(hTextWnd, HWND_TOP,
454 rect.left, text_top,
455 rect.right - rect.left,
456 rect.bottom - text_top, 0);
457
458 }
459
460 /******************************************************************
461 * WINHELP_DeleteButtons
462 *
463 */
464 static void WINHELP_DeleteButtons(WINHELP_WINDOW* win)
465 {
466 WINHELP_BUTTON* b;
467 WINHELP_BUTTON* bp;
468
469 for (b = win->first_button; b; b = bp)
470 {
471 DestroyWindow(b->hWnd);
472 bp = b->next;
473 HeapFree(GetProcessHeap(), 0, b);
474 }
475 win->first_button = NULL;
476 }
477
478 /******************************************************************
479 * WINHELP_DeleteBackSet
480 *
481 */
482 void WINHELP_DeleteBackSet(WINHELP_WINDOW* win)
483 {
484 unsigned int i;
485
486 for (i = 0; i < win->back.index; i++)
487 {
488 HLPFILE_FreeHlpFile(win->back.set[i].page->file);
489 win->back.set[i].page = NULL;
490 }
491 win->back.index = 0;
492 }
493
494 /******************************************************************
495 * WINHELP_DeletePageLinks
496 *
497 */
498 static void WINHELP_DeletePageLinks(HLPFILE_PAGE* page)
499 {
500 HLPFILE_LINK* curr;
501 HLPFILE_LINK* next;
502
503 for (curr = page->first_link; curr; curr = next)
504 {
505 next = curr->next;
506 HeapFree(GetProcessHeap(), 0, curr);
507 }
508 }
509
510 /***********************************************************************
511 *
512 * WINHELP_GrabWindow
513 */
514 WINHELP_WINDOW* WINHELP_GrabWindow(WINHELP_WINDOW* win)
515 {
516 WINE_TRACE("Grab %p#%d++\n", win, win->ref_count);
517 win->ref_count++;
518 return win;
519 }
520
521 /***********************************************************************
522 *
523 * WINHELP_RelaseWindow
524 */
525 BOOL WINHELP_ReleaseWindow(WINHELP_WINDOW* win)
526 {
527 WINE_TRACE("Release %p#%d--\n", win, win->ref_count);
528
529 if (!--win->ref_count)
530 {
531 DestroyWindow(win->hMainWnd);
532 return FALSE;
533 }
534 return TRUE;
535 }
536
537 /***********************************************************************
538 *
539 * WINHELP_DeleteWindow
540 */
541 static void WINHELP_DeleteWindow(WINHELP_WINDOW* win)
542 {
543 WINHELP_WINDOW** w;
544 BOOL bExit;
545 HWND hTextWnd;
546
547 for (w = &Globals.win_list; *w; w = &(*w)->next)
548 {
549 if (*w == win)
550 {
551 *w = win->next;
552 break;
553 }
554 }
555 bExit = (Globals.wVersion >= 4 && !lstrcmpiA(win->info->name, "main"));
556
557 if (Globals.active_win == win)
558 {
559 Globals.active_win = Globals.win_list;
560 if (Globals.win_list)
561 SetActiveWindow(Globals.win_list->hMainWnd);
562 }
563
564 if (win == Globals.active_popup)
565 Globals.active_popup = NULL;
566
567 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
568 SetWindowLongPtrA(hTextWnd, GWLP_WNDPROC, (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*) GetWindowLongPtrW(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 = !lstrcmpiA(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 (!lstrcmpiA(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 SetWindowTextA(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 LoadStringA(Globals.hInstance, STID_CONTENTS, buffer, sizeof(buffer));
797 MACRO_CreateButton("BTN_CONTENTS", buffer, "Contents()");
798 LoadStringA(Globals.hInstance, STID_INDEX, buffer, sizeof(buffer));
799 MACRO_CreateButton("BTN_INDEX", buffer, "Finder()");
800 LoadStringA(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 = CreateWindowExA((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 ? LoadMenuW(Globals.hInstance, MAKEINTRESOURCEW(MAIN_MENU)) : 0,
814 Globals.hInstance, win);
815 if (!bPopup)
816 /* Create button box and text Window */
817 CreateWindowA(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 = CreateWindowA(RICHEDIT_CLASS20A, 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 SendMessageW(hTextWnd, EM_SETEVENTMASK, 0,
824 SendMessageW(hTextWnd, EM_GETEVENTMASK, 0, 0) | ENM_MOUSEEVENTS);
825 win->origRicheditWndProc = (WNDPROC)SetWindowLongPtrA(hTextWnd, GWLP_WNDPROC,
826 (LONG_PTR)WINHELP_RicheditWndProc);
827 }
828
829 hIcon = (wpage->page) ? wpage->page->file->hIcon : NULL;
830 if (!hIcon) hIcon = LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IDI_WINHELP), IMAGE_ICON,
831 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), LR_SHARED);
832 SendMessageW(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 (!lstrcmpiA(win->info->name, wpage->wininfo->name)) break;
850 }
851 if (!win || !WINHELP_ReleaseWindow(win)) return TRUE;
852
853 if (bPopup)
854 {
855 DWORD mask = SendMessageW(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 SendMessageW(hTextWnd, EM_SETEVENTMASK, 0, mask | ENM_REQUESTRESIZE);
863 SendMessageW(hTextWnd, EM_REQUESTRESIZE, 0, 0);
864 SendMessageW(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 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 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1135 hDc = GetDC(hWnd);
1136 GetTextMetricsW(hDc, &tm);
1137 GetWindowRect(hWnd, &r);
1138
1139 r.right = r.left + 30 * tm.tmAveCharWidth;
1140 r.bottom = r.top + (sizeof(Globals.history.set) / sizeof(Globals.history.set[0])) * tm.tmHeight;
1141 AdjustWindowRect(&r, GetWindowLongW(hWnd, GWL_STYLE), FALSE);
1142 if (r.left < 0) {r.right -= r.left; r.left = 0;}
1143 if (r.top < 0) {r.bottom -= r.top; r.top = 0;}
1144
1145 MoveWindow(hWnd, r.left, r.top, r.right, r.bottom, TRUE);
1146 ReleaseDC(hWnd, hDc);
1147 break;
1148 case WM_LBUTTONDOWN:
1149 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1150 hDc = GetDC(hWnd);
1151 GetTextMetricsW(hDc, &tm);
1152 i = HIWORD(lParam) / tm.tmHeight;
1153 if (i < Globals.history.index)
1154 WINHELP_CreateHelpWindow(&Globals.history.set[i], SW_SHOW, TRUE);
1155 ReleaseDC(hWnd, hDc);
1156 break;
1157 case WM_PAINT:
1158 hDc = BeginPaint(hWnd, &ps);
1159 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1160 GetTextMetricsW(hDc, &tm);
1161
1162 for (i = 0; i < Globals.history.index; i++)
1163 {
1164 if (Globals.history.set[i].page->file == Globals.active_win->page->file)
1165 {
1166 TextOutA(hDc, 0, i * tm.tmHeight,
1167 Globals.history.set[i].page->lpszTitle,
1168 strlen(Globals.history.set[i].page->lpszTitle));
1169 }
1170 else
1171 {
1172 char buffer[1024];
1173 const char* ptr1;
1174 const char* ptr2;
1175 unsigned len;
1176
1177 ptr1 = strrchr(Globals.history.set[i].page->file->lpszPath, '\\');
1178 if (!ptr1) ptr1 = Globals.history.set[i].page->file->lpszPath;
1179 else ptr1++;
1180 ptr2 = strrchr(ptr1, '.');
1181 len = ptr2 ? ptr2 - ptr1 : strlen(ptr1);
1182 if (len > sizeof(buffer)) len = sizeof(buffer);
1183 memcpy(buffer, ptr1, len);
1184 if (len < sizeof(buffer)) buffer[len++] = ':';
1185 lstrcpynA(&buffer[len], Globals.history.set[i].page->lpszTitle, sizeof(buffer) - len);
1186 TextOutA(hDc, 0, i * tm.tmHeight, buffer, strlen(buffer));
1187 }
1188 }
1189 EndPaint(hWnd, &ps);
1190 break;
1191 case WM_DESTROY:
1192 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1193 if (hWnd == win->hHistoryWnd)
1194 win->hHistoryWnd = 0;
1195 break;
1196 }
1197 return DefWindowProcA(hWnd, msg, wParam, lParam);
1198 }
1199
1200 /**************************************************************************
1201 * cb_KWBTree
1202 *
1203 * HLPFILE_BPTreeCallback enumeration function for '|KWBTREE' internal file.
1204 *
1205 */
1206 static void cb_KWBTree(void *p, void **next, void *cookie)
1207 {
1208 HWND hListWnd = cookie;
1209 int count;
1210
1211 WINE_TRACE("Adding '%s' to search list\n", (char *)p);
1212 SendMessageA(hListWnd, LB_INSERTSTRING, -1, (LPARAM)p);
1213 count = SendMessageW(hListWnd, LB_GETCOUNT, 0, 0);
1214 SendMessageW(hListWnd, LB_SETITEMDATA, count-1, (LPARAM)p);
1215 *next = (char*)p + strlen((char*)p) + 7;
1216 }
1217
1218 struct index_data
1219 {
1220 HLPFILE* hlpfile;
1221 BOOL jump;
1222 ULONG offset;
1223 };
1224
1225 /**************************************************************************
1226 * WINHELP_IndexDlgProc
1227 *
1228 */
1229 static INT_PTR CALLBACK WINHELP_IndexDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1230 {
1231 static struct index_data* id;
1232 int sel;
1233
1234 switch (msg)
1235 {
1236 case WM_INITDIALOG:
1237 id = (struct index_data*)((PROPSHEETPAGEA*)lParam)->lParam;
1238 HLPFILE_BPTreeEnum(id->hlpfile->kwbtree, cb_KWBTree,
1239 GetDlgItem(hWnd, IDC_INDEXLIST));
1240 id->jump = FALSE;
1241 id->offset = 1;
1242 return TRUE;
1243 case WM_COMMAND:
1244 switch (HIWORD(wParam))
1245 {
1246 case LBN_DBLCLK:
1247 if (LOWORD(wParam) == IDC_INDEXLIST)
1248 SendMessageW(GetParent(hWnd), PSM_PRESSBUTTON, PSBTN_OK, 0);
1249 break;
1250 }
1251 break;
1252 case WM_NOTIFY:
1253 switch (((NMHDR*)lParam)->code)
1254 {
1255 case PSN_APPLY:
1256 sel = SendDlgItemMessageW(hWnd, IDC_INDEXLIST, LB_GETCURSEL, 0, 0);
1257 if (sel != LB_ERR)
1258 {
1259 BYTE *p;
1260 int count;
1261
1262 p = (BYTE*)SendDlgItemMessageW(hWnd, IDC_INDEXLIST, LB_GETITEMDATA, sel, 0);
1263 count = *(short*)((char *)p + strlen((char *)p) + 1);
1264 if (count > 1)
1265 {
1266 MessageBoxA(hWnd, "count > 1 not supported yet", "Error", MB_OK | MB_ICONSTOP);
1267 SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, PSNRET_INVALID);
1268 return TRUE;
1269 }
1270 id->offset = *(ULONG*)((char *)p + strlen((char *)p) + 3);
1271 id->offset = *(long*)(id->hlpfile->kwdata + id->offset + 9);
1272 if (id->offset == 0xFFFFFFFF)
1273 {
1274 MessageBoxA(hWnd, "macro keywords not supported yet", "Error", MB_OK | MB_ICONSTOP);
1275 SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, PSNRET_INVALID);
1276 return TRUE;
1277 }
1278 id->jump = TRUE;
1279 SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, PSNRET_NOERROR);
1280 }
1281 return TRUE;
1282 default:
1283 return FALSE;
1284 }
1285 break;
1286 default:
1287 break;
1288 }
1289 return FALSE;
1290 }
1291
1292 /**************************************************************************
1293 * WINHELP_SearchDlgProc
1294 *
1295 */
1296 static INT_PTR CALLBACK WINHELP_SearchDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1297 {
1298 switch (msg)
1299 {
1300 case WM_INITDIALOG:
1301 return TRUE;
1302 case WM_NOTIFY:
1303 switch (((NMHDR*)lParam)->code)
1304 {
1305 case PSN_APPLY:
1306 SetWindowLongPtrW(hWnd, DWLP_MSGRESULT, PSNRET_NOERROR);
1307 return TRUE;
1308 default:
1309 return FALSE;
1310 }
1311 break;
1312 default:
1313 break;
1314 }
1315 return FALSE;
1316 }
1317
1318 /***********************************************************************
1319 *
1320 * WINHELP_MainWndProc
1321 */
1322 static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1323 {
1324 WINHELP_WINDOW *win;
1325 WINHELP_BUTTON *button;
1326 HWND hTextWnd;
1327 LRESULT ret;
1328
1329 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, &ret)) return ret;
1330
1331 switch (msg)
1332 {
1333 case WM_NCCREATE:
1334 win = (WINHELP_WINDOW*) ((LPCREATESTRUCTA) lParam)->lpCreateParams;
1335 SetWindowLongPtrW(hWnd, 0, (ULONG_PTR) win);
1336 if (!win->page && Globals.isBook)
1337 PostMessageW(hWnd, WM_COMMAND, MNID_FILE_OPEN, 0);
1338 win->hMainWnd = hWnd;
1339 break;
1340
1341 case WM_WINDOWPOSCHANGED:
1342 WINHELP_LayoutMainWindow((WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0));
1343 break;
1344
1345 case WM_COMMAND:
1346 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1347 switch (LOWORD(wParam))
1348 {
1349 /* Menu FILE */
1350 case MNID_FILE_OPEN: MACRO_FileOpen(); break;
1351 case MNID_FILE_PRINT: MACRO_Print(); break;
1352 case MNID_FILE_SETUP: MACRO_PrinterSetup(); break;
1353 case MNID_FILE_EXIT: MACRO_Exit(); break;
1354
1355 /* Menu EDIT */
1356 case MNID_EDIT_COPYDLG:
1357 SendDlgItemMessageW(hWnd, CTL_ID_TEXT, WM_COPY, 0, 0);
1358 break;
1359 case MNID_EDIT_ANNOTATE:MACRO_Annotate(); break;
1360
1361 /* Menu Bookmark */
1362 case MNID_BKMK_DEFINE: MACRO_BookmarkDefine(); break;
1363
1364 /* Menu Help */
1365 case MNID_HELP_HELPON: MACRO_HelpOn(); break;
1366 case MNID_HELP_HELPTOP: MACRO_HelpOnTop(); break;
1367 case MNID_HELP_ABOUT: MACRO_About(); break;
1368
1369 /* Context help */
1370 case MNID_CTXT_ANNOTATE:MACRO_Annotate(); break;
1371 case MNID_CTXT_COPY: MACRO_CopyDialog(); break;
1372 case MNID_CTXT_PRINT: MACRO_Print(); break;
1373 case MNID_OPTS_HISTORY: MACRO_History(); break;
1374 case MNID_OPTS_FONTS_SMALL:
1375 case MNID_CTXT_FONTS_SMALL:
1376 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1377 if (win->font_scale != 0)
1378 {
1379 win->font_scale = 0;
1380 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1381 }
1382 break;
1383 case MNID_OPTS_FONTS_NORMAL:
1384 case MNID_CTXT_FONTS_NORMAL:
1385 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1386 if (win->font_scale != 1)
1387 {
1388 win->font_scale = 1;
1389 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1390 }
1391 break;
1392 case MNID_OPTS_FONTS_LARGE:
1393 case MNID_CTXT_FONTS_LARGE:
1394 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1395 if (win->font_scale != 2)
1396 {
1397 win->font_scale = 2;
1398 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
1399 }
1400 break;
1401
1402 default:
1403 /* Buttons */
1404 for (button = win->first_button; button; button = button->next)
1405 if (wParam == button->wParam) break;
1406 if (button)
1407 MACRO_ExecuteMacro(win, button->lpszMacro);
1408 else if (!HIWORD(wParam))
1409 MessageBoxW(0, MAKEINTRESOURCEW(STID_NOT_IMPLEMENTED),
1410 MAKEINTRESOURCEW(STID_WHERROR), MB_OK);
1411 break;
1412 }
1413 break;
1414 /* EPP case WM_DESTROY: */
1415 /* EPP if (Globals.hPopupWnd) DestroyWindow(Globals.hPopupWnd); */
1416 /* EPP break; */
1417 case WM_COPYDATA:
1418 return WINHELP_HandleCommand((HWND)wParam, lParam);
1419
1420 case WM_CHAR:
1421 if (wParam == 3)
1422 {
1423 SendDlgItemMessageW(hWnd, CTL_ID_TEXT, WM_COPY, 0, 0);
1424 return 0;
1425 }
1426 break;
1427
1428 case WM_KEYDOWN:
1429 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1430 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
1431
1432 switch (wParam)
1433 {
1434 case VK_UP:
1435 SendMessageW(hTextWnd, EM_SCROLL, SB_LINEUP, 0);
1436 return 0;
1437 case VK_DOWN:
1438 SendMessageW(hTextWnd, EM_SCROLL, SB_LINEDOWN, 0);
1439 return 0;
1440 case VK_PRIOR:
1441 SendMessageW(hTextWnd, EM_SCROLL, SB_PAGEUP, 0);
1442 return 0;
1443 case VK_NEXT:
1444 SendMessageW(hTextWnd, EM_SCROLL, SB_PAGEDOWN, 0);
1445 return 0;
1446 case VK_ESCAPE:
1447 MACRO_Exit();
1448 return 0;
1449 }
1450 break;
1451
1452 case WM_NOTIFY:
1453 if (wParam == CTL_ID_TEXT)
1454 {
1455 RECT rc;
1456
1457 switch (((NMHDR*)lParam)->code)
1458 {
1459 case EN_MSGFILTER:
1460 {
1461 const MSGFILTER* msgf = (const MSGFILTER*)lParam;
1462 switch (msgf->msg)
1463 {
1464 case WM_KEYUP:
1465 if (msgf->wParam == VK_ESCAPE)
1466 WINHELP_ReleaseWindow((WINHELP_WINDOW*)GetWindowLongPtrW(hWnd, 0));
1467 break;
1468 case WM_RBUTTONDOWN:
1469 {
1470 HMENU hMenu;
1471 POINT pt;
1472
1473 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1474 hMenu = LoadMenuW(Globals.hInstance, MAKEINTRESOURCEW(CONTEXT_MENU));
1475 switch (win->font_scale)
1476 {
1477 case 0:
1478 CheckMenuItem(hMenu, MNID_CTXT_FONTS_SMALL,
1479 MF_BYCOMMAND|MF_CHECKED);
1480 break;
1481 default:
1482 WINE_FIXME("Unsupported %d\n", win->font_scale);
1483 /* fall through */
1484 case 1:
1485 CheckMenuItem(hMenu, MNID_CTXT_FONTS_NORMAL,
1486 MF_BYCOMMAND|MF_CHECKED);
1487 break;
1488 case 2:
1489 CheckMenuItem(hMenu, MNID_CTXT_FONTS_LARGE,
1490 MF_BYCOMMAND|MF_CHECKED);
1491 break;
1492 }
1493 pt.x = (int)(short)LOWORD(msgf->lParam);
1494 pt.y = (int)(short)HIWORD(msgf->lParam);
1495 ClientToScreen(msgf->nmhdr.hwndFrom, &pt);
1496 TrackPopupMenu(GetSubMenu(hMenu, 0), TPM_LEFTALIGN|TPM_TOPALIGN,
1497 pt.x, pt.y, 0, hWnd, NULL);
1498 DestroyMenu(hMenu);
1499 }
1500 break;
1501 default:
1502 return WINHELP_HandleTextMouse((WINHELP_WINDOW*)GetWindowLongPtrW(hWnd, 0),
1503 msgf->msg, msgf->lParam);
1504 }
1505 }
1506 break;
1507
1508 case EN_REQUESTRESIZE:
1509 rc = ((REQRESIZE*)lParam)->rc;
1510 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1511 AdjustWindowRect(&rc, GetWindowLongW(win->hMainWnd, GWL_STYLE),
1512 FALSE);
1513 SetWindowPos(win->hMainWnd, HWND_TOP, 0, 0,
1514 rc.right - rc.left, rc.bottom - rc.top,
1515 SWP_NOMOVE | SWP_NOZORDER);
1516 WINHELP_LayoutMainWindow(win);
1517 break;
1518 }
1519 }
1520 break;
1521
1522 case WM_INITMENUPOPUP:
1523 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1524 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_SMALL,
1525 MF_BYCOMMAND | (win->font_scale == 0) ? MF_CHECKED : 0);
1526 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_NORMAL,
1527 MF_BYCOMMAND | (win->font_scale == 1) ? MF_CHECKED : 0);
1528 CheckMenuItem((HMENU)wParam, MNID_OPTS_FONTS_LARGE,
1529 MF_BYCOMMAND | (win->font_scale == 2) ? MF_CHECKED : 0);
1530 break;
1531 case WM_DESTROY:
1532 win = (WINHELP_WINDOW*) GetWindowLongPtrW(hWnd, 0);
1533 WINHELP_DeleteWindow(win);
1534 break;
1535 }
1536 return DefWindowProcA(hWnd, msg, wParam, lParam);
1537 }
1538
1539 /**************************************************************************
1540 * WINHELP_CreateIndexWindow
1541 *
1542 * Displays a dialog with keywords of current help file.
1543 *
1544 */
1545 BOOL WINHELP_CreateIndexWindow(BOOL is_search)
1546 {
1547 HPROPSHEETPAGE psPage[3];
1548 PROPSHEETPAGEA psp;
1549 PROPSHEETHEADERA psHead;
1550 struct index_data id;
1551 char buf[256];
1552
1553 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
1554 id.hlpfile = Globals.active_win->page->file;
1555 else
1556 return FALSE;
1557
1558 if (id.hlpfile->kwbtree == NULL)
1559 {
1560 WINE_TRACE("No index provided\n");
1561 return FALSE;
1562 }
1563
1564 InitCommonControls();
1565
1566 id.jump = FALSE;
1567 memset(&psp, 0, sizeof(psp));
1568 psp.dwSize = sizeof(psp);
1569 psp.dwFlags = 0;
1570 psp.hInstance = Globals.hInstance;
1571
1572 psp.u.pszTemplate = MAKEINTRESOURCEA(IDD_INDEX);
1573 psp.lParam = (LPARAM)&id;
1574 psp.pfnDlgProc = WINHELP_IndexDlgProc;
1575 psPage[0] = CreatePropertySheetPageA(&psp);
1576
1577 psp.u.pszTemplate = MAKEINTRESOURCEA(IDD_SEARCH);
1578 psp.lParam = (LPARAM)&id;
1579 psp.pfnDlgProc = WINHELP_SearchDlgProc;
1580 psPage[1] = CreatePropertySheetPageA(&psp);
1581
1582 memset(&psHead, 0, sizeof(psHead));
1583 psHead.dwSize = sizeof(psHead);
1584
1585 LoadStringA(Globals.hInstance, STID_PSH_INDEX, buf, sizeof(buf));
1586 strcat(buf, Globals.active_win->info->caption);
1587
1588 psHead.pszCaption = buf;
1589 psHead.nPages = 2;
1590 psHead.u2.nStartPage = is_search ? 1 : 0;
1591 psHead.hwndParent = Globals.active_win->hMainWnd;
1592 psHead.u3.phpage = psPage;
1593 psHead.dwFlags = PSH_NOAPPLYNOW;
1594
1595 PropertySheetA(&psHead);
1596 if (id.jump)
1597 {
1598 WINE_TRACE("got %d as an offset\n", id.offset);
1599 WINHELP_OpenHelpWindow(HLPFILE_PageByOffset, id.hlpfile, id.offset,
1600 Globals.active_win->info, SW_NORMAL);
1601 }
1602 return TRUE;
1603 }
1604
1605 /***********************************************************************
1606 *
1607 * RegisterWinClasses
1608 */
1609 static BOOL WINHELP_RegisterWinClasses(void)
1610 {
1611 WNDCLASSEXA class_main, class_button_box, class_history;
1612
1613 class_main.cbSize = sizeof(class_main);
1614 class_main.style = CS_HREDRAW | CS_VREDRAW;
1615 class_main.lpfnWndProc = WINHELP_MainWndProc;
1616 class_main.cbClsExtra = 0;
1617 class_main.cbWndExtra = sizeof(WINHELP_WINDOW *);
1618 class_main.hInstance = Globals.hInstance;
1619 class_main.hIcon = LoadIconW(Globals.hInstance, MAKEINTRESOURCEW(IDI_WINHELP));
1620 class_main.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
1621 class_main.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
1622 class_main.lpszMenuName = 0;
1623 class_main.lpszClassName = MAIN_WIN_CLASS_NAME;
1624 class_main.hIconSm = LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IDI_WINHELP), IMAGE_ICON,
1625 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
1626 LR_SHARED);
1627
1628 class_button_box = class_main;
1629 class_button_box.lpfnWndProc = WINHELP_ButtonBoxWndProc;
1630 class_button_box.cbWndExtra = 0;
1631 class_button_box.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
1632 class_button_box.lpszClassName = BUTTON_BOX_WIN_CLASS_NAME;
1633
1634 class_history = class_main;
1635 class_history.lpfnWndProc = WINHELP_HistoryWndProc;
1636 class_history.lpszClassName = HISTORY_WIN_CLASS_NAME;
1637
1638 return (RegisterClassExA(&class_main) &&
1639 RegisterClassExA(&class_button_box) &&
1640 RegisterClassExA(&class_history));
1641 }
1642
1643 /***********************************************************************
1644 *
1645 * WinMain
1646 */
1647 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
1648 {
1649 MSG msg;
1650 LONG lHash = 0;
1651 HLPFILE* hlpfile;
1652 static CHAR default_wndname[] = "main";
1653 LPSTR wndname = default_wndname;
1654 WINHELP_DLL* dll;
1655 HACCEL hAccel;
1656
1657 Globals.hInstance = hInstance;
1658
1659 if (LoadLibraryA("riched20.dll") == NULL)
1660 return MessageBoxW(0, MAKEINTRESOURCEW(STID_NO_RICHEDIT),
1661 MAKEINTRESOURCEW(STID_WHERROR), MB_OK);
1662
1663 /* Get options */
1664 while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
1665 {
1666 CHAR option;
1667 LPCSTR topic_id;
1668 if (*cmdline++ == ' ') continue;
1669
1670 option = *cmdline;
1671 if (option) cmdline++;
1672 while (*cmdline && *cmdline == ' ') cmdline++;
1673 switch (option)
1674 {
1675 case 'i':
1676 case 'I':
1677 topic_id = cmdline;
1678 while (*cmdline && *cmdline != ' ') cmdline++;
1679 if (*cmdline) *cmdline++ = '\0';
1680 lHash = HLPFILE_Hash(topic_id);
1681 break;
1682
1683 case '3':
1684 case '4':
1685 Globals.wVersion = option - '0';
1686 break;
1687
1688 case 'x':
1689 show = SW_HIDE;
1690 Globals.isBook = FALSE;
1691 break;
1692
1693 default:
1694 WINE_FIXME("Unsupported cmd line: %s\n", cmdline);
1695 break;
1696 }
1697 }
1698
1699 /* Create primary window */
1700 if (!WINHELP_RegisterWinClasses())
1701 {
1702 WINE_FIXME("Couldn't register classes\n");
1703 return 0;
1704 }
1705
1706 if (*cmdline)
1707 {
1708 char* ptr;
1709 if ((*cmdline == '"') && (ptr = strchr(cmdline+1, '"')))
1710 {
1711 cmdline++;
1712 *ptr = '\0';
1713 }
1714 if ((ptr = strchr(cmdline, '>')))
1715 {
1716 *ptr = '\0';
1717 wndname = ptr + 1;
1718 }
1719 hlpfile = WINHELP_LookupHelpFile(cmdline);
1720 if (!hlpfile) return 0;
1721 }
1722 else hlpfile = NULL;
1723 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, lHash,
1724 WINHELP_GetWindowInfo(hlpfile, wndname), show);
1725
1726 /* Message loop */
1727 hAccel = LoadAcceleratorsW(hInstance, MAKEINTRESOURCEW(MAIN_ACCEL));
1728 while ((Globals.win_list || Globals.active_popup) && GetMessageW(&msg, 0, 0, 0))
1729 {
1730 HWND hWnd = Globals.active_win ? Globals.active_win->hMainWnd : NULL;
1731 if (!TranslateAcceleratorW(hWnd, hAccel, &msg))
1732 {
1733 TranslateMessage(&msg);
1734 DispatchMessageW(&msg);
1735 }
1736 }
1737 for (dll = Globals.dlls; dll; dll = dll->next)
1738 {
1739 if (dll->class & DC_INITTERM) dll->handler(DW_TERM, 0, 0);
1740 }
1741 return 0;
1742 }
Windows API implementation