winhelp: No longer store the WINHELP_WINDOW* inside the button box.
[wine.git] / programs / winhelp / winhelp.c
blob003e6a3315ee549b39b20bc204d523dcf1a7a417
1 /*
2 * Help Viewer
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>
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include <assert.h>
25 #include <stdio.h>
26 #include <string.h>
27 #include <stdarg.h>
28 #include <stdlib.h>
30 #include "windef.h"
31 #include "winbase.h"
32 #include "wingdi.h"
33 #include "winuser.h"
34 #include "commdlg.h"
35 #include "winhelp.h"
36 #include "winhelp_res.h"
37 #include "shellapi.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
43 static BOOL WINHELP_RegisterWinClasses(void);
44 static LRESULT CALLBACK WINHELP_MainWndProc(HWND, UINT, WPARAM, LPARAM);
45 static LRESULT CALLBACK WINHELP_TextWndProc(HWND, UINT, WPARAM, LPARAM);
46 static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND, UINT, WPARAM, LPARAM);
47 static LRESULT CALLBACK WINHELP_ButtonWndProc(HWND, UINT, WPARAM, LPARAM);
48 static LRESULT CALLBACK WINHELP_HistoryWndProc(HWND, UINT, WPARAM, LPARAM);
49 static LRESULT CALLBACK WINHELP_ShadowWndProc(HWND, UINT, WPARAM, LPARAM);
50 static void WINHELP_CheckPopup(UINT);
51 static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE);
52 static void WINHELP_InitFonts(HWND hWnd);
53 static void WINHELP_DeleteLines(WINHELP_WINDOW*);
54 static void WINHELP_DeleteWindow(WINHELP_WINDOW*);
55 static void WINHELP_SetupText(HWND hWnd);
56 static WINHELP_LINE_PART* WINHELP_IsOverLink(WINHELP_WINDOW*, WPARAM, LPARAM);
58 WINHELP_GLOBALS Globals = {3, NULL, NULL, TRUE, NULL, NULL, NULL, NULL};
60 #define CTL_ID_BUTTON 0x700
61 #define CTL_ID_TEXT 0x701
63 /***********************************************************************
65 * WINHELP_GetOpenFileName
67 BOOL WINHELP_GetOpenFileName(LPSTR lpszFile, int len)
69 OPENFILENAME openfilename;
70 CHAR szDir[MAX_PATH];
71 CHAR szzFilter[2 * MAX_STRING_LEN + 100];
72 LPSTR p = szzFilter;
74 WINE_TRACE("()\n");
76 LoadString(Globals.hInstance, STID_HELP_FILES_HLP, p, MAX_STRING_LEN);
77 p += strlen(p) + 1;
78 lstrcpy(p, "*.hlp");
79 p += strlen(p) + 1;
80 LoadString(Globals.hInstance, STID_ALL_FILES, p, MAX_STRING_LEN);
81 p += strlen(p) + 1;
82 lstrcpy(p, "*.*");
83 p += strlen(p) + 1;
84 *p = '\0';
86 GetCurrentDirectory(sizeof(szDir), szDir);
88 lpszFile[0]='\0';
90 openfilename.lStructSize = sizeof(OPENFILENAME);
91 openfilename.hwndOwner = NULL;
92 openfilename.hInstance = Globals.hInstance;
93 openfilename.lpstrFilter = szzFilter;
94 openfilename.lpstrCustomFilter = 0;
95 openfilename.nMaxCustFilter = 0;
96 openfilename.nFilterIndex = 1;
97 openfilename.lpstrFile = lpszFile;
98 openfilename.nMaxFile = len;
99 openfilename.lpstrFileTitle = 0;
100 openfilename.nMaxFileTitle = 0;
101 openfilename.lpstrInitialDir = szDir;
102 openfilename.lpstrTitle = 0;
103 openfilename.Flags = 0;
104 openfilename.nFileOffset = 0;
105 openfilename.nFileExtension = 0;
106 openfilename.lpstrDefExt = 0;
107 openfilename.lCustData = 0;
108 openfilename.lpfnHook = 0;
109 openfilename.lpTemplateName = 0;
111 return GetOpenFileName(&openfilename);
114 /***********************************************************************
116 * WINHELP_LookupHelpFile
118 HLPFILE* WINHELP_LookupHelpFile(LPCSTR lpszFile)
120 HLPFILE* hlpfile;
121 char szFullName[MAX_PATH];
122 char szAddPath[MAX_PATH];
123 char *p;
126 * NOTE: This is needed by popup windows only.
127 * In other cases it's not needed but does not hurt though.
129 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
131 strcpy(szAddPath, Globals.active_win->page->file->lpszPath);
132 p = strrchr(szAddPath, '\\');
133 if (p) *p = 0;
137 * FIXME: Should we swap conditions?
139 if (!SearchPath(NULL, lpszFile, ".hlp", MAX_PATH, szFullName, NULL) &&
140 !SearchPath(szAddPath, lpszFile, ".hlp", MAX_PATH, szFullName, NULL))
142 if (WINHELP_MessageBoxIDS_s(STID_FILE_NOT_FOUND_s, lpszFile, STID_WHERROR,
143 MB_YESNO|MB_ICONQUESTION) != IDYES)
144 return NULL;
145 if (!WINHELP_GetOpenFileName(szFullName, MAX_PATH))
146 return NULL;
148 hlpfile = HLPFILE_ReadHlpFile(szFullName);
149 if (!hlpfile)
150 WINHELP_MessageBoxIDS_s(STID_HLPFILE_ERROR_s, lpszFile,
151 STID_WHERROR, MB_OK|MB_ICONSTOP);
152 return hlpfile;
155 /******************************************************************
156 * WINHELP_GetWindowInfo
160 HLPFILE_WINDOWINFO* WINHELP_GetWindowInfo(HLPFILE* hlpfile, LPCSTR name)
162 static HLPFILE_WINDOWINFO mwi;
163 unsigned int i;
165 if (!name || !name[0])
166 name = Globals.active_win->lpszName;
168 if (hlpfile)
169 for (i = 0; i < hlpfile->numWindows; i++)
170 if (!strcmp(hlpfile->windows[i].name, name))
171 return &hlpfile->windows[i];
173 if (strcmp(name, "main") != 0)
175 WINE_FIXME("Couldn't find window info for %s\n", name);
176 assert(0);
177 return NULL;
179 if (!mwi.name[0])
181 strcpy(mwi.type, "primary");
182 strcpy(mwi.name, "main");
183 if (!LoadString(Globals.hInstance, STID_WINE_HELP,
184 mwi.caption, sizeof(mwi.caption)))
185 strcpy(mwi.caption, hlpfile->lpszTitle);
186 mwi.origin.x = mwi.origin.y = mwi.size.cx = mwi.size.cy = CW_USEDEFAULT;
187 mwi.style = SW_SHOW;
188 mwi.win_style = WS_OVERLAPPEDWINDOW;
189 mwi.sr_color = mwi.sr_color = 0xFFFFFF;
191 return &mwi;
194 /******************************************************************
195 * HLPFILE_GetPopupWindowInfo
199 static HLPFILE_WINDOWINFO* WINHELP_GetPopupWindowInfo(HLPFILE* hlpfile, HWND hParentWnd, POINT* mouse)
201 static HLPFILE_WINDOWINFO wi;
203 RECT parent_rect;
205 wi.type[0] = wi.name[0] = wi.caption[0] = '\0';
207 /* Calculate horizontal size and position of a popup window */
208 GetWindowRect(hParentWnd, &parent_rect);
209 wi.size.cx = (parent_rect.right - parent_rect.left) / 2;
210 wi.size.cy = 10; /* need a non null value, so that border are taken into account while computing */
212 wi.origin = *mouse;
213 ClientToScreen(hParentWnd, &wi.origin);
214 wi.origin.x -= wi.size.cx / 2;
215 wi.origin.x = min(wi.origin.x, GetSystemMetrics(SM_CXSCREEN) - wi.size.cx);
216 wi.origin.x = max(wi.origin.x, 0);
218 wi.style = SW_SHOW;
219 wi.win_style = WS_POPUP | WS_BORDER;
220 wi.sr_color = wi.sr_color = 0xFFFFFF;
222 return &wi;
225 /***********************************************************************
227 * WinMain
229 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
231 MSG msg;
232 LONG lHash = 0;
233 HLPFILE* hlpfile;
234 static CHAR default_wndname[] = "main";
235 LPSTR wndname = default_wndname;
236 WINHELP_DLL* dll;
238 Globals.hInstance = hInstance;
240 /* Get options */
241 while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
243 CHAR option;
244 LPCSTR topic_id;
245 if (*cmdline++ == ' ') continue;
247 option = *cmdline;
248 if (option) cmdline++;
249 while (*cmdline && *cmdline == ' ') cmdline++;
250 switch (option)
252 case 'i':
253 case 'I':
254 topic_id = cmdline;
255 while (*cmdline && *cmdline != ' ') cmdline++;
256 if (*cmdline) *cmdline++ = '\0';
257 lHash = HLPFILE_Hash(topic_id);
258 break;
260 case '3':
261 case '4':
262 Globals.wVersion = option - '0';
263 break;
265 case 'x':
266 show = SW_HIDE;
267 Globals.isBook = FALSE;
268 break;
270 default:
271 WINE_FIXME("Unsupported cmd line: %s\n", cmdline);
272 break;
276 /* Create primary window */
277 if (!WINHELP_RegisterWinClasses())
279 WINE_FIXME("Couldn't register classes\n");
280 return 0;
283 if (*cmdline)
285 char* ptr;
286 if ((*cmdline == '"') && (ptr = strchr(cmdline+1, '"')))
288 cmdline++;
289 *ptr = '\0';
291 if ((ptr = strchr(cmdline, '>')))
293 *ptr = '\0';
294 wndname = ptr + 1;
296 hlpfile = WINHELP_LookupHelpFile(cmdline);
297 if (!hlpfile) return 0;
299 else hlpfile = NULL;
300 WINHELP_CreateHelpWindowByHash(hlpfile, lHash,
301 WINHELP_GetWindowInfo(hlpfile, wndname), show);
303 /* Message loop */
304 while (GetMessage(&msg, 0, 0, 0))
306 TranslateMessage(&msg);
307 DispatchMessage(&msg);
309 for (dll = Globals.dlls; dll; dll = dll->next)
311 if (dll->class & DC_INITTERM) dll->handler(DW_TERM, 0, 0);
313 return 0;
316 /***********************************************************************
318 * RegisterWinClasses
320 static BOOL WINHELP_RegisterWinClasses(void)
322 WNDCLASS class_main, class_button_box, class_text, class_shadow, class_history;
324 class_main.style = CS_HREDRAW | CS_VREDRAW;
325 class_main.lpfnWndProc = WINHELP_MainWndProc;
326 class_main.cbClsExtra = 0;
327 class_main.cbWndExtra = sizeof(LONG);
328 class_main.hInstance = Globals.hInstance;
329 class_main.hIcon = LoadIcon(Globals.hInstance, MAKEINTRESOURCE(IDI_WINHELP));
330 class_main.hCursor = LoadCursor(0, IDC_ARROW);
331 class_main.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
332 class_main.lpszMenuName = 0;
333 class_main.lpszClassName = MAIN_WIN_CLASS_NAME;
335 class_button_box = class_main;
336 class_button_box.lpfnWndProc = WINHELP_ButtonBoxWndProc;
337 class_button_box.cbWndExtra = 0;
338 class_button_box.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
339 class_button_box.lpszClassName = BUTTON_BOX_WIN_CLASS_NAME;
341 class_text = class_main;
342 class_text.lpfnWndProc = WINHELP_TextWndProc;
343 class_text.hbrBackground = 0;
344 class_text.lpszClassName = TEXT_WIN_CLASS_NAME;
346 class_shadow = class_main;
347 class_shadow.lpfnWndProc = WINHELP_ShadowWndProc;
348 class_shadow.cbWndExtra = 0;
349 class_shadow.hbrBackground = (HBRUSH)(COLOR_3DDKSHADOW+1);
350 class_shadow.lpszClassName = SHADOW_WIN_CLASS_NAME;
352 class_history = class_main;
353 class_history.lpfnWndProc = WINHELP_HistoryWndProc;
354 class_history.lpszClassName = HISTORY_WIN_CLASS_NAME;
356 return (RegisterClass(&class_main) &&
357 RegisterClass(&class_button_box) &&
358 RegisterClass(&class_text) &&
359 RegisterClass(&class_shadow) &&
360 RegisterClass(&class_history));
363 typedef struct
365 WORD size;
366 WORD command;
367 LONG data;
368 LONG reserved;
369 WORD ofsFilename;
370 WORD ofsData;
371 } WINHELP,*LPWINHELP;
373 /******************************************************************
374 * WINHELP_HandleCommand
378 static LRESULT WINHELP_HandleCommand(HWND hSrcWnd, LPARAM lParam)
380 COPYDATASTRUCT* cds = (COPYDATASTRUCT*)lParam;
381 WINHELP* wh;
383 if (cds->dwData != 0xA1DE505)
385 WINE_FIXME("Wrong magic number (%08lx)\n", cds->dwData);
386 return 0;
389 wh = (WINHELP*)cds->lpData;
391 if (wh)
393 char* ptr = (wh->ofsFilename) ? (LPSTR)wh + wh->ofsFilename : NULL;
395 WINE_TRACE("Got[%u]: cmd=%u data=%08x fn=%s\n",
396 wh->size, wh->command, wh->data, ptr);
397 switch (wh->command)
399 case HELP_CONTEXT:
400 if (ptr)
402 MACRO_JumpContext(ptr, "main", wh->data);
404 break;
405 case HELP_QUIT:
406 MACRO_Exit();
407 break;
408 case HELP_CONTENTS:
409 if (ptr)
411 MACRO_JumpContents(ptr, "main");
413 break;
414 case HELP_HELPONHELP:
415 MACRO_HelpOn();
416 break;
417 /* case HELP_SETINDEX: */
418 case HELP_SETCONTENTS:
419 if (ptr)
421 MACRO_SetContents(ptr, wh->data);
423 break;
424 case HELP_CONTEXTPOPUP:
425 if (ptr)
427 MACRO_PopupContext(ptr, wh->data);
429 break;
430 /* case HELP_FORCEFILE:*/
431 /* case HELP_CONTEXTMENU: */
432 case HELP_FINDER:
433 /* in fact, should be the topic dialog box */
434 WINE_FIXME("HELP_FINDER: stub\n");
435 if (ptr)
437 MACRO_JumpHash(ptr, "main", 0);
439 break;
440 /* case HELP_WM_HELP: */
441 /* case HELP_SETPOPUP_POS: */
442 /* case HELP_KEY: */
443 /* case HELP_COMMAND: */
444 /* case HELP_PARTIALKEY: */
445 /* case HELP_MULTIKEY: */
446 /* case HELP_SETWINPOS: */
447 default:
448 WINE_FIXME("Unhandled command (%x) for remote winhelp control\n", wh->command);
449 break;
452 /* Always return success for now */
453 return 1;
456 void WINHELP_LayoutMainWindow(WINHELP_WINDOW* win)
458 RECT rect, button_box_rect;
459 INT text_top = 0;
461 GetClientRect(win->hMainWnd, &rect);
463 /* Update button box and text Window */
464 SetWindowPos(win->hButtonBoxWnd, HWND_TOP,
465 rect.left, rect.top,
466 rect.right - rect.left,
467 rect.bottom - rect.top, 0);
469 if (GetWindowRect(win->hButtonBoxWnd, &button_box_rect))
470 text_top = rect.top + button_box_rect.bottom - button_box_rect.top;
472 SetWindowPos(win->hTextWnd, HWND_TOP,
473 rect.left, text_top,
474 rect.right - rect.left,
475 rect.bottom - text_top, 0);
479 /******************************************************************
480 * WINHELP_ReuseWindow
484 static BOOL WINHELP_ReuseWindow(WINHELP_WINDOW* win, WINHELP_WINDOW* oldwin,
485 HLPFILE_PAGE* page, int nCmdShow)
487 unsigned int i;
489 win->hMainWnd = oldwin->hMainWnd;
490 win->hButtonBoxWnd = oldwin->hButtonBoxWnd;
491 win->hTextWnd = oldwin->hTextWnd;
492 win->hHistoryWnd = oldwin->hHistoryWnd;
493 oldwin->hMainWnd = oldwin->hButtonBoxWnd = oldwin->hTextWnd = oldwin->hHistoryWnd = 0;
494 win->hBrush = CreateSolidBrush(win->info->sr_color);
496 SetWindowLongPtr(win->hMainWnd, 0, (ULONG_PTR)win);
497 SetWindowLongPtr(win->hTextWnd, 0, (ULONG_PTR)win);
498 SetWindowLongPtr(win->hHistoryWnd, 0, (ULONG_PTR)win);
500 WINHELP_InitFonts(win->hMainWnd);
502 if (page)
503 SetWindowText(win->hMainWnd, page->file->lpszTitle);
505 WINHELP_SetupText(win->hTextWnd);
506 InvalidateRect(win->hTextWnd, NULL, TRUE);
507 WINHELP_LayoutMainWindow(win);
508 ShowWindow(win->hMainWnd, nCmdShow);
509 UpdateWindow(win->hTextWnd);
511 if (!(win->info->win_style & WS_POPUP))
513 unsigned num;
515 memcpy(win->history, oldwin->history, sizeof(win->history));
516 win->histIndex = oldwin->histIndex;
518 /* FIXME: when using back, we shouldn't update the history... */
520 if (page)
522 for (i = 0; i < win->histIndex; i++)
523 if (win->history[i] == page) break;
525 /* if the new page is already in the history, do nothing */
526 if (i == win->histIndex)
528 num = sizeof(win->history) / sizeof(win->history[0]);
529 if (win->histIndex == num)
531 /* we're full, remove latest entry */
532 HLPFILE_FreeHlpFile(win->history[0]->file);
533 memmove(&win->history[0], &win->history[1],
534 (num - 1) * sizeof(win->history[0]));
535 win->histIndex--;
537 win->history[win->histIndex++] = page;
538 page->file->wRefCount++;
539 if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
543 memcpy(win->back, oldwin->back, sizeof(win->back));
544 win->backIndex = oldwin->backIndex;
546 if (page)
548 num = sizeof(win->back) / sizeof(win->back[0]);
549 if (win->backIndex == num)
551 /* we're full, remove latest entry */
552 HLPFILE_FreeHlpFile(win->back[0]->file);
553 memmove(&win->back[0], &win->back[1],
554 (num - 1) * sizeof(win->back[0]));
555 win->backIndex--;
557 win->back[win->backIndex++] = page;
558 page->file->wRefCount++;
561 else
562 win->backIndex = win->histIndex = 0;
564 oldwin->histIndex = oldwin->backIndex = 0;
565 WINHELP_DeleteWindow(oldwin);
566 return TRUE;
569 /***********************************************************************
571 * WINHELP_CreateHelpWindow
573 BOOL WINHELP_CreateHelpWindow(HLPFILE_PAGE* page, HLPFILE_WINDOWINFO* wi,
574 int nCmdShow)
576 WINHELP_WINDOW *win, *oldwin;
577 HWND hWnd;
578 BOOL bPrimary;
579 BOOL bPopup;
580 LPSTR name;
581 DWORD ex_style;
583 bPrimary = !lstrcmpi(wi->name, "main");
584 bPopup = !bPrimary && (wi->win_style & WS_POPUP);
586 /* Initialize WINHELP_WINDOW struct */
587 win = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
588 sizeof(WINHELP_WINDOW) + strlen(wi->name) + 1);
589 if (!win) return FALSE;
591 win->next = Globals.win_list;
592 Globals.win_list = win;
594 name = (char*)win + sizeof(WINHELP_WINDOW);
595 lstrcpy(name, wi->name);
596 win->lpszName = name;
598 win->page = page;
600 win->hArrowCur = LoadCursorA(0, (LPSTR)IDC_ARROW);
601 win->hHandCur = LoadCursorA(0, (LPSTR)IDC_HAND);
603 win->info = wi;
605 Globals.active_win = win;
607 /* Initialize default pushbuttons */
608 if (bPrimary && page)
610 CHAR buffer[MAX_STRING_LEN];
612 LoadString(Globals.hInstance, STID_CONTENTS, buffer, sizeof(buffer));
613 MACRO_CreateButton("BTN_CONTENTS", buffer, "Contents()");
614 LoadString(Globals.hInstance, STID_SEARCH,buffer, sizeof(buffer));
615 MACRO_CreateButton("BTN_SEARCH", buffer, "Search()");
616 LoadString(Globals.hInstance, STID_BACK, buffer, sizeof(buffer));
617 MACRO_CreateButton("BTN_BACK", buffer, "Back()");
618 LoadString(Globals.hInstance, STID_HISTORY, buffer, sizeof(buffer));
619 MACRO_CreateButton("BTN_HISTORY", buffer, "History()");
620 LoadString(Globals.hInstance, STID_TOPICS, buffer, sizeof(buffer));
621 MACRO_CreateButton("BTN_TOPICS", buffer, "Finder()");
624 /* Initialize file specific pushbuttons */
625 if (!(wi->win_style & WS_POPUP) && page)
627 HLPFILE_MACRO *macro;
628 for (macro = page->file->first_macro; macro; macro = macro->next)
629 MACRO_ExecuteMacro(macro->lpszMacro);
631 for (macro = page->first_macro; macro; macro = macro->next)
632 MACRO_ExecuteMacro(macro->lpszMacro);
635 /* Reuse existing window */
636 if (!bPopup)
638 for (oldwin = win->next; oldwin; oldwin = oldwin->next)
640 if (!lstrcmpi(oldwin->lpszName, wi->name))
642 return WINHELP_ReuseWindow(win, oldwin, page, nCmdShow);
645 if (page)
647 win->histIndex = win->backIndex = 1;
648 win->history[0] = win->back[0] = page;
649 page->file->wRefCount += 2;
650 strcpy(wi->caption, page->file->lpszTitle);
654 ex_style = 0;
655 if (bPopup) ex_style = WS_EX_TOOLWINDOW;
656 hWnd = CreateWindowEx(ex_style, MAIN_WIN_CLASS_NAME,
657 wi->caption,
658 bPrimary ? WS_OVERLAPPEDWINDOW : wi->win_style,
659 wi->origin.x, wi->origin.y, wi->size.cx, wi->size.cy,
660 NULL, bPrimary ? LoadMenu(Globals.hInstance, MAKEINTRESOURCE(MAIN_MENU)) : 0,
661 Globals.hInstance, win);
662 /* Create button box and text Window */
663 if (!bPopup)
664 win->hButtonBoxWnd = CreateWindow(BUTTON_BOX_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
665 0, 0, 0, 0, hWnd, (HMENU)CTL_ID_BUTTON, Globals.hInstance, NULL);
667 CreateWindow(TEXT_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
668 0, 0, 0, 0, hWnd, (HMENU)CTL_ID_TEXT, Globals.hInstance, win);
670 WINHELP_LayoutMainWindow(win);
671 if (bPopup) Globals.hPopupWnd = hWnd;
673 ShowWindow(hWnd, nCmdShow);
674 UpdateWindow(hWnd);
676 return TRUE;
679 /***********************************************************************
681 * WINHELP_CreateHelpWindowByHash
683 BOOL WINHELP_CreateHelpWindowByHash(HLPFILE* hlpfile, LONG lHash,
684 HLPFILE_WINDOWINFO* wi, int nCmdShow)
686 HLPFILE_PAGE* page = NULL;
688 if (hlpfile)
689 page = lHash ? HLPFILE_PageByHash(hlpfile, lHash) :
690 HLPFILE_Contents(hlpfile);
691 if (page) page->file->wRefCount++;
692 return WINHELP_CreateHelpWindow(page, wi, nCmdShow);
695 /***********************************************************************
697 * WINHELP_CreateHelpWindowByMap
699 BOOL WINHELP_CreateHelpWindowByMap(HLPFILE* hlpfile, LONG lMap,
700 HLPFILE_WINDOWINFO* wi, int nCmdShow)
702 HLPFILE_PAGE* page = NULL;
704 page = HLPFILE_PageByMap(hlpfile, lMap);
705 if (page) page->file->wRefCount++;
706 return WINHELP_CreateHelpWindow(page, wi, nCmdShow);
709 /***********************************************************************
711 * WINHELP_CreateHelpWindowByOffset
713 BOOL WINHELP_CreateHelpWindowByOffset(HLPFILE* hlpfile, LONG lOffset,
714 HLPFILE_WINDOWINFO* wi, int nCmdShow)
716 HLPFILE_PAGE* page = NULL;
718 page = HLPFILE_PageByOffset(hlpfile, lOffset);
719 if (page) page->file->wRefCount++;
720 return WINHELP_CreateHelpWindow(page, wi, nCmdShow);
723 /***********************************************************************
725 * WINHELP_MainWndProc
727 static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
729 WINHELP_WINDOW *win;
730 WINHELP_BUTTON *button;
731 RECT rect;
732 INT curPos, min, max, dy, keyDelta;
734 WINHELP_CheckPopup(msg);
736 switch (msg)
738 case WM_NCCREATE:
739 win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
740 SetWindowLongPtr(hWnd, 0, (ULONG_PTR) win);
741 win->hMainWnd = hWnd;
742 break;
744 case WM_WINDOWPOSCHANGED:
745 WINHELP_LayoutMainWindow((WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0));
746 break;
748 case WM_COMMAND:
749 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
750 switch (wParam)
752 /* Menu FILE */
753 case MNID_FILE_OPEN: MACRO_FileOpen(); break;
754 case MNID_FILE_PRINT: MACRO_Print(); break;
755 case MNID_FILE_SETUP: MACRO_PrinterSetup(); break;
756 case MNID_FILE_EXIT: MACRO_Exit(); break;
758 /* Menu EDIT */
759 case MNID_EDIT_COPYDLG: MACRO_CopyDialog(); break;
760 case MNID_EDIT_ANNOTATE:MACRO_Annotate(); break;
762 /* Menu Bookmark */
763 case MNID_BKMK_DEFINE: MACRO_BookmarkDefine(); break;
765 /* Menu Help */
766 case MNID_HELP_HELPON: MACRO_HelpOn(); break;
767 case MNID_HELP_HELPTOP: MACRO_HelpOnTop(); break;
768 case MNID_HELP_ABOUT: MACRO_About(); break;
769 case MNID_HELP_WINE: ShellAbout(hWnd, "WINE", "Help", 0); break;
771 default:
772 /* Buttons */
773 for (button = win->first_button; button; button = button->next)
774 if (wParam == button->wParam) break;
775 if (button)
776 MACRO_ExecuteMacro(button->lpszMacro);
777 else if (!HIWORD(wParam))
778 WINHELP_MessageBoxIDS(STID_NOT_IMPLEMENTED, 0x121, MB_OK);
779 break;
781 break;
782 case WM_DESTROY:
783 if (Globals.hPopupWnd) DestroyWindow(Globals.hPopupWnd);
784 break;
785 case WM_COPYDATA:
786 return WINHELP_HandleCommand((HWND)wParam, lParam);
788 case WM_KEYDOWN:
789 keyDelta = 0;
791 switch (wParam)
793 case VK_UP:
794 case VK_DOWN:
795 keyDelta = GetSystemMetrics(SM_CXVSCROLL);
796 if (wParam == VK_UP)
797 keyDelta = -keyDelta;
799 case VK_PRIOR:
800 case VK_NEXT:
801 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
802 curPos = GetScrollPos(win->hTextWnd, SB_VERT);
803 GetScrollRange(win->hTextWnd, SB_VERT, &min, &max);
805 if (keyDelta == 0)
807 GetClientRect(win->hTextWnd, &rect);
808 keyDelta = (rect.bottom - rect.top) / 2;
809 if (wParam == VK_PRIOR)
810 keyDelta = -keyDelta;
813 curPos += keyDelta;
814 if (curPos > max)
815 curPos = max;
816 else if (curPos < min)
817 curPos = min;
819 dy = GetScrollPos(win->hTextWnd, SB_VERT) - curPos;
820 SetScrollPos(win->hTextWnd, SB_VERT, curPos, TRUE);
821 ScrollWindow(win->hTextWnd, 0, dy, NULL, NULL);
822 UpdateWindow(win->hTextWnd);
823 return 0;
825 case VK_ESCAPE:
826 MACRO_Exit();
827 return 0;
829 break;
830 case WM_NCDESTROY:
832 BOOL bExit;
833 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
834 if (hWnd == Globals.hPopupWnd) Globals.hPopupWnd = 0;
835 bExit = (Globals.wVersion >= 4 && !lstrcmpi(win->lpszName, "main"));
836 WINHELP_DeleteWindow(win);
838 if (bExit) MACRO_Exit();
839 if (!Globals.win_list)
840 PostQuitMessage(0);
842 break;
844 return DefWindowProc(hWnd, msg, wParam, lParam);
847 /***********************************************************************
849 * WINHELP_ButtonBoxWndProc
851 static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
853 WINDOWPOS *winpos;
854 WINHELP_WINDOW *win;
855 WINHELP_BUTTON *button;
856 SIZE button_size;
857 INT x, y;
859 WINHELP_CheckPopup(msg);
861 switch (msg)
863 case WM_WINDOWPOSCHANGING:
864 winpos = (WINDOWPOS*) lParam;
865 win = (WINHELP_WINDOW*) GetWindowLongPtr(GetParent(hWnd), 0);
867 /* Update buttons */
868 button_size.cx = 0;
869 button_size.cy = 0;
870 for (button = win->first_button; button; button = button->next)
872 HDC hDc;
873 SIZE textsize;
874 if (!button->hWnd)
876 button->hWnd = CreateWindow(STRING_BUTTON, button->lpszName,
877 WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
878 0, 0, 0, 0,
879 hWnd, (HMENU) button->wParam,
880 Globals.hInstance, 0);
881 if (button->hWnd) {
882 if (Globals.button_proc == NULL)
883 Globals.button_proc = (WNDPROC) GetWindowLongPtr(button->hWnd, GWLP_WNDPROC);
884 SetWindowLongPtr(button->hWnd, GWLP_WNDPROC, (LONG_PTR) WINHELP_ButtonWndProc);
887 hDc = GetDC(button->hWnd);
888 GetTextExtentPoint(hDc, button->lpszName,
889 lstrlen(button->lpszName), &textsize);
890 ReleaseDC(button->hWnd, hDc);
892 button_size.cx = max(button_size.cx, textsize.cx + BUTTON_CX);
893 button_size.cy = max(button_size.cy, textsize.cy + BUTTON_CY);
896 x = 0;
897 y = 0;
898 for (button = win->first_button; button; button = button->next)
900 SetWindowPos(button->hWnd, HWND_TOP, x, y, button_size.cx, button_size.cy, 0);
902 if (x + 2 * button_size.cx <= winpos->cx)
903 x += button_size.cx;
904 else
905 x = 0, y += button_size.cy;
907 winpos->cy = y + (x ? button_size.cy : 0);
908 break;
910 case WM_COMMAND:
911 SendMessage(GetParent(hWnd), msg, wParam, lParam);
912 break;
914 case WM_KEYDOWN:
915 switch (wParam)
917 case VK_UP:
918 case VK_DOWN:
919 case VK_PRIOR:
920 case VK_NEXT:
921 case VK_ESCAPE:
922 return SendMessage(GetParent(hWnd), msg, wParam, lParam);
924 break;
927 return DefWindowProc(hWnd, msg, wParam, lParam);
930 /***********************************************************************
932 * WINHELP_ButtonWndProc
934 static LRESULT CALLBACK WINHELP_ButtonWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
936 if (msg == WM_KEYDOWN)
938 switch (wParam)
940 case VK_UP:
941 case VK_DOWN:
942 case VK_PRIOR:
943 case VK_NEXT:
944 case VK_ESCAPE:
945 return SendMessage(GetParent(hWnd), msg, wParam, lParam);
949 return CallWindowProc(Globals.button_proc, hWnd, msg, wParam, lParam);
952 /***********************************************************************
954 * WINHELP_TextWndProc
956 static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
958 WINHELP_WINDOW *win;
959 WINHELP_LINE *line;
960 WINHELP_LINE_PART *part;
961 WINDOWPOS *winpos;
962 PAINTSTRUCT ps;
963 HDC hDc;
964 POINT mouse;
965 INT scroll_pos;
966 HWND hPopupWnd;
968 if (msg != WM_LBUTTONDOWN)
969 WINHELP_CheckPopup(msg);
971 switch (msg)
973 case WM_NCCREATE:
974 win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
975 SetWindowLongPtr(hWnd, 0, (ULONG_PTR) win);
976 win->hTextWnd = hWnd;
977 win->hBrush = CreateSolidBrush(win->info->sr_color);
978 WINHELP_InitFonts(hWnd);
979 break;
981 case WM_CREATE:
982 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
984 /* Calculate vertical size and position of a popup window */
985 if (win->info->win_style & WS_POPUP)
987 POINT origin;
988 RECT old_window_rect;
989 RECT old_client_rect;
990 SIZE old_window_size;
991 SIZE old_client_size;
992 SIZE new_client_size;
993 SIZE new_window_size;
995 GetWindowRect(GetParent(hWnd), &old_window_rect);
996 origin.x = old_window_rect.left;
997 origin.y = old_window_rect.top;
998 old_window_size.cx = old_window_rect.right - old_window_rect.left;
999 old_window_size.cy = old_window_rect.bottom - old_window_rect.top;
1001 WINHELP_LayoutMainWindow(win);
1002 GetClientRect(hWnd, &old_client_rect);
1003 old_client_size.cx = old_client_rect.right - old_client_rect.left;
1004 old_client_size.cy = old_client_rect.bottom - old_client_rect.top;
1006 new_client_size = old_client_size;
1007 WINHELP_SplitLines(hWnd, &new_client_size);
1009 if (origin.y + POPUP_YDISTANCE + new_client_size.cy <= GetSystemMetrics(SM_CYSCREEN))
1010 origin.y += POPUP_YDISTANCE;
1011 else
1012 origin.y -= POPUP_YDISTANCE + new_client_size.cy;
1014 new_window_size.cx = old_window_size.cx - old_client_size.cx + new_client_size.cx;
1015 new_window_size.cy = old_window_size.cy - old_client_size.cy + new_client_size.cy;
1017 win->hShadowWnd =
1018 CreateWindowEx(WS_EX_TOOLWINDOW, SHADOW_WIN_CLASS_NAME, "", WS_POPUP,
1019 origin.x + SHADOW_DX, origin.y + SHADOW_DY,
1020 new_window_size.cx, new_window_size.cy,
1021 0, 0, Globals.hInstance, 0);
1023 SetWindowPos(GetParent(hWnd), HWND_TOP, origin.x, origin.y,
1024 new_window_size.cx, new_window_size.cy,
1026 SetWindowPos(win->hShadowWnd, hWnd, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
1027 ShowWindow(win->hShadowWnd, SW_NORMAL);
1028 SetActiveWindow(hWnd);
1030 break;
1032 case WM_WINDOWPOSCHANGED:
1033 winpos = (WINDOWPOS*) lParam;
1035 if (!(winpos->flags & SWP_NOSIZE)) WINHELP_SetupText(hWnd);
1036 break;
1038 case WM_MOUSEWHEEL:
1040 int wheelDelta = 0;
1041 UINT scrollLines = 3;
1042 int curPos = GetScrollPos(hWnd, SB_VERT);
1043 int min, max;
1045 GetScrollRange(hWnd, SB_VERT, &min, &max);
1047 SystemParametersInfo(SPI_GETWHEELSCROLLLINES,0, &scrollLines, 0);
1048 if (wParam & (MK_SHIFT | MK_CONTROL))
1049 return DefWindowProc(hWnd, msg, wParam, lParam);
1050 wheelDelta -= GET_WHEEL_DELTA_WPARAM(wParam);
1051 if (abs(wheelDelta) >= WHEEL_DELTA && scrollLines) {
1052 int dy;
1054 curPos += wheelDelta;
1055 if (curPos > max)
1056 curPos = max;
1057 else if (curPos < min)
1058 curPos = min;
1060 dy = GetScrollPos(hWnd, SB_VERT) - curPos;
1061 SetScrollPos(hWnd, SB_VERT, curPos, TRUE);
1062 ScrollWindow(hWnd, 0, dy, NULL, NULL);
1063 UpdateWindow(hWnd);
1066 break;
1068 case WM_VSCROLL:
1070 BOOL update = TRUE;
1071 RECT rect;
1072 INT Min, Max;
1073 INT CurPos = GetScrollPos(hWnd, SB_VERT);
1074 INT dy;
1076 GetScrollRange(hWnd, SB_VERT, &Min, &Max);
1077 GetClientRect(hWnd, &rect);
1079 switch (wParam & 0xffff)
1081 case SB_THUMBTRACK:
1082 case SB_THUMBPOSITION: CurPos = wParam >> 16; break;
1083 case SB_TOP: CurPos = Min; break;
1084 case SB_BOTTOM: CurPos = Max; break;
1085 case SB_PAGEUP: CurPos -= (rect.bottom - rect.top) / 2; break;
1086 case SB_PAGEDOWN: CurPos += (rect.bottom - rect.top) / 2; break;
1087 case SB_LINEUP: CurPos -= GetSystemMetrics(SM_CXVSCROLL); break;
1088 case SB_LINEDOWN: CurPos += GetSystemMetrics(SM_CXVSCROLL); break;
1089 default: update = FALSE;
1091 if (update)
1093 if (CurPos > Max)
1094 CurPos = Max;
1095 else if (CurPos < Min)
1096 CurPos = Min;
1097 dy = GetScrollPos(hWnd, SB_VERT) - CurPos;
1098 SetScrollPos(hWnd, SB_VERT, CurPos, TRUE);
1099 ScrollWindow(hWnd, 0, dy, NULL, NULL);
1100 UpdateWindow(hWnd);
1103 break;
1105 case WM_PAINT:
1106 hDc = BeginPaint(hWnd, &ps);
1107 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1108 scroll_pos = GetScrollPos(hWnd, SB_VERT);
1110 /* No DPtoLP needed - MM_TEXT map mode */
1111 if (ps.fErase) FillRect(hDc, &ps.rcPaint, win->hBrush);
1112 for (line = win->first_line; line; line = line->next)
1114 for (part = &line->first_part; part; part = part->next)
1116 switch (part->cookie)
1118 case hlp_line_part_text:
1119 SelectObject(hDc, part->u.text.hFont);
1120 SetTextColor(hDc, part->u.text.color);
1121 SetBkColor(hDc, win->info->sr_color);
1122 TextOut(hDc, part->rect.left, part->rect.top - scroll_pos,
1123 part->u.text.lpsText, part->u.text.wTextLen);
1124 if (part->u.text.wUnderline)
1126 HPEN hPen;
1128 switch (part->u.text.wUnderline)
1130 case 1: /* simple */
1131 case 2: /* double */
1132 hPen = CreatePen(PS_SOLID, 1, part->u.text.color);
1133 break;
1134 case 3: /* dotted */
1135 hPen = CreatePen(PS_DOT, 1, part->u.text.color);
1136 break;
1137 default:
1138 WINE_FIXME("Unknow underline type\n");
1139 continue;
1142 SelectObject(hDc, hPen);
1143 MoveToEx(hDc, part->rect.left, part->rect.bottom - scroll_pos - 1, NULL);
1144 LineTo(hDc, part->rect.right, part->rect.bottom - scroll_pos - 1);
1145 if (part->u.text.wUnderline == 2)
1147 MoveToEx(hDc, part->rect.left, part->rect.bottom - scroll_pos + 1, NULL);
1148 LineTo(hDc, part->rect.right, part->rect.bottom - scroll_pos + 1);
1150 DeleteObject(hPen);
1152 break;
1153 case hlp_line_part_bitmap:
1155 HDC hMemDC;
1157 hMemDC = CreateCompatibleDC(hDc);
1158 SelectObject(hMemDC, part->u.bitmap.hBitmap);
1159 BitBlt(hDc, part->rect.left, part->rect.top - scroll_pos,
1160 part->rect.right - part->rect.left, part->rect.bottom - part->rect.top,
1161 hMemDC, 0, 0, SRCCOPY);
1162 DeleteDC(hMemDC);
1164 break;
1165 case hlp_line_part_metafile:
1167 HDC hMemDC;
1168 HBITMAP hBitmap;
1169 SIZE sz;
1170 RECT rc;
1172 sz.cx = part->rect.right - part->rect.left;
1173 sz.cy = part->rect.bottom - part->rect.top;
1174 hMemDC = CreateCompatibleDC(hDc);
1175 hBitmap = CreateCompatibleBitmap(hDc, sz.cx, sz.cy);
1176 SelectObject(hMemDC, hBitmap);
1177 SelectObject(hMemDC, win->hBrush);
1178 rc.left = 0;
1179 rc.top = 0;
1180 rc.right = sz.cx;
1181 rc.bottom = sz.cy;
1182 FillRect(hMemDC, &rc, win->hBrush);
1183 SetMapMode(hMemDC, part->u.metafile.mm);
1184 SetWindowExtEx(hMemDC, sz.cx, sz.cy, 0);
1185 SetViewportExtEx(hMemDC, sz.cx, sz.cy, 0);
1186 SetWindowOrgEx(hMemDC, 0, 0, 0);
1187 SetViewportOrgEx(hMemDC, 0, 0, 0);
1188 PlayMetaFile(hMemDC, part->u.metafile.hMetaFile);
1189 SetMapMode(hMemDC, MM_TEXT);
1190 SetWindowOrgEx(hMemDC, 0, 0, 0);
1191 SetViewportOrgEx(hMemDC, 0, 0, 0);
1192 BitBlt(hDc, part->rect.left, part->rect.top - scroll_pos,
1193 sz.cx, sz.cy, hMemDC, 0, 0, SRCCOPY);
1194 DeleteDC(hMemDC);
1195 DeleteObject(hBitmap);
1197 break;
1202 EndPaint(hWnd, &ps);
1203 break;
1205 case WM_MOUSEMOVE:
1206 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1208 if (WINHELP_IsOverLink(win, wParam, lParam))
1209 SetCursor(win->hHandCur); /* set to hand pointer cursor to indicate a link */
1210 else
1211 SetCursor(win->hArrowCur); /* set to hand pointer cursor to indicate a link */
1213 break;
1215 case WM_LBUTTONDOWN:
1216 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1218 hPopupWnd = Globals.hPopupWnd;
1219 Globals.hPopupWnd = 0;
1221 part = WINHELP_IsOverLink(win, wParam, lParam);
1222 if (part)
1224 HLPFILE* hlpfile;
1225 HLPFILE_WINDOWINFO* wi;
1227 mouse.x = (short)LOWORD(lParam);
1228 mouse.y = (short)HIWORD(lParam);
1230 if (part->link) switch (part->link->cookie)
1232 case hlp_link_link:
1233 hlpfile = WINHELP_LookupHelpFile(part->link->lpszString);
1234 if (part->link->window == -1)
1235 wi = win->info;
1236 else if (part->link->window < hlpfile->numWindows)
1237 wi = &hlpfile->windows[part->link->window];
1238 else
1240 WINE_WARN("link to window %d/%d\n", part->link->window, hlpfile->numWindows);
1241 break;
1243 WINHELP_CreateHelpWindowByHash(hlpfile, part->link->lHash, wi,
1244 SW_NORMAL);
1245 break;
1246 case hlp_link_popup:
1247 hlpfile = WINHELP_LookupHelpFile(part->link->lpszString);
1248 if (hlpfile) WINHELP_CreateHelpWindowByHash(hlpfile, part->link->lHash,
1249 WINHELP_GetPopupWindowInfo(hlpfile, hWnd, &mouse),
1250 SW_NORMAL);
1251 break;
1252 case hlp_link_macro:
1253 MACRO_ExecuteMacro(part->link->lpszString);
1254 break;
1255 default:
1256 WINE_FIXME("Unknown link cookie %d\n", part->link->cookie);
1260 if (hPopupWnd)
1261 DestroyWindow(hPopupWnd);
1262 break;
1266 return DefWindowProc(hWnd, msg, wParam, lParam);
1269 /******************************************************************
1270 * WINHELP_HistoryWndProc
1274 static LRESULT CALLBACK WINHELP_HistoryWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1276 WINHELP_WINDOW* win;
1277 PAINTSTRUCT ps;
1278 HDC hDc;
1279 TEXTMETRIC tm;
1280 unsigned int i;
1281 RECT r;
1283 switch (msg)
1285 case WM_NCCREATE:
1286 win = (WINHELP_WINDOW*)((LPCREATESTRUCT)lParam)->lpCreateParams;
1287 SetWindowLongPtr(hWnd, 0, (ULONG_PTR)win);
1288 win->hHistoryWnd = hWnd;
1289 break;
1290 case WM_CREATE:
1291 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1292 hDc = GetDC(hWnd);
1293 GetTextMetrics(hDc, &tm);
1294 GetWindowRect(hWnd, &r);
1296 r.right = r.left + 30 * tm.tmAveCharWidth;
1297 r.bottom = r.top + (sizeof(win->history) / sizeof(win->history[0])) * tm.tmHeight;
1298 AdjustWindowRect(&r, GetWindowLong(hWnd, GWL_STYLE), FALSE);
1299 if (r.left < 0) {r.right -= r.left; r.left = 0;}
1300 if (r.top < 0) {r.bottom -= r.top; r.top = 0;}
1302 MoveWindow(hWnd, r.left, r.top, r.right, r.bottom, TRUE);
1303 ReleaseDC(hWnd, hDc);
1304 break;
1305 case WM_LBUTTONDOWN:
1306 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1307 hDc = GetDC(hWnd);
1308 GetTextMetrics(hDc, &tm);
1309 i = HIWORD(lParam) / tm.tmHeight;
1310 if (i < win->histIndex)
1311 WINHELP_CreateHelpWindow(win->history[i], win->info, SW_SHOW);
1312 ReleaseDC(hWnd, hDc);
1313 break;
1314 case WM_PAINT:
1315 hDc = BeginPaint(hWnd, &ps);
1316 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1317 GetTextMetrics(hDc, &tm);
1319 for (i = 0; i < win->histIndex; i++)
1321 TextOut(hDc, 0, i * tm.tmHeight, win->history[i]->lpszTitle,
1322 strlen(win->history[i]->lpszTitle));
1324 EndPaint(hWnd, &ps);
1325 break;
1326 case WM_DESTROY:
1327 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1328 if (hWnd == win->hHistoryWnd)
1329 win->hHistoryWnd = 0;
1330 break;
1332 return DefWindowProc(hWnd, msg, wParam, lParam);
1335 /***********************************************************************
1337 * WINHELP_ShadowWndProc
1339 static LRESULT CALLBACK WINHELP_ShadowWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1341 WINHELP_CheckPopup(msg);
1342 return DefWindowProc(hWnd, msg, wParam, lParam);
1345 /***********************************************************************
1347 * SetupText
1349 static void WINHELP_SetupText(HWND hWnd)
1351 HDC hDc = GetDC(hWnd);
1352 RECT rect;
1353 SIZE newsize;
1355 ShowScrollBar(hWnd, SB_VERT, FALSE);
1356 if (!WINHELP_SplitLines(hWnd, NULL))
1358 ShowScrollBar(hWnd, SB_VERT, TRUE);
1359 GetClientRect(hWnd, &rect);
1361 WINHELP_SplitLines(hWnd, &newsize);
1362 SetScrollRange(hWnd, SB_VERT, 0, rect.top + newsize.cy - rect.bottom, TRUE);
1364 else
1366 SetScrollPos(hWnd, SB_VERT, 0, FALSE);
1367 SetScrollRange(hWnd, SB_VERT, 0, 0, FALSE);
1370 ReleaseDC(hWnd, hDc);
1373 /***********************************************************************
1375 * WINHELP_AppendText
1377 static BOOL WINHELP_AppendText(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp,
1378 LPSIZE space, LPSIZE textsize,
1379 INT *line_ascent, INT ascent,
1380 LPCSTR text, UINT textlen,
1381 HFONT font, COLORREF color, HLPFILE_LINK *link,
1382 unsigned underline)
1384 WINHELP_LINE *line;
1385 WINHELP_LINE_PART *part;
1386 LPSTR ptr;
1388 if (!*partp) /* New line */
1390 *line_ascent = ascent;
1392 line = HeapAlloc(GetProcessHeap(), 0,
1393 sizeof(WINHELP_LINE) + textlen);
1394 if (!line) return FALSE;
1396 line->next = 0;
1397 part = &line->first_part;
1398 ptr = (char*)line + sizeof(WINHELP_LINE);
1400 line->rect.top = (**linep ? (**linep)->rect.bottom : 0) + space->cy;
1401 line->rect.bottom = line->rect.top;
1402 line->rect.left = space->cx;
1403 line->rect.right = space->cx;
1405 if (**linep) *linep = &(**linep)->next;
1406 **linep = line;
1407 space->cy = 0;
1409 else /* Same line */
1411 line = **linep;
1413 if (*line_ascent < ascent)
1415 WINHELP_LINE_PART *p;
1416 for (p = &line->first_part; p; p = p->next)
1418 p->rect.top += ascent - *line_ascent;
1419 p->rect.bottom += ascent - *line_ascent;
1421 line->rect.bottom += ascent - *line_ascent;
1422 *line_ascent = ascent;
1425 part = HeapAlloc(GetProcessHeap(), 0,
1426 sizeof(WINHELP_LINE_PART) + textlen);
1427 if (!part) return FALSE;
1428 **partp = part;
1429 ptr = (char*)part + sizeof(WINHELP_LINE_PART);
1432 memcpy(ptr, text, textlen);
1433 part->cookie = hlp_line_part_text;
1434 part->rect.left = line->rect.right + (*partp ? space->cx : 0);
1435 part->rect.right = part->rect.left + textsize->cx;
1436 line->rect.right = part->rect.right;
1437 part->rect.top =
1438 ((*partp) ? line->rect.top : line->rect.bottom) + *line_ascent - ascent;
1439 part->rect.bottom = part->rect.top + textsize->cy;
1440 line->rect.bottom = max(line->rect.bottom, part->rect.bottom);
1441 part->u.text.lpsText = ptr;
1442 part->u.text.wTextLen = textlen;
1443 part->u.text.hFont = font;
1444 part->u.text.color = color;
1445 part->u.text.wUnderline = underline;
1447 WINE_TRACE("Appended text '%*.*s'[%d] @ (%d,%d-%d,%d)\n",
1448 part->u.text.wTextLen,
1449 part->u.text.wTextLen,
1450 part->u.text.lpsText,
1451 part->u.text.wTextLen,
1452 part->rect.left, part->rect.top, part->rect.right, part->rect.bottom);
1454 part->link = link;
1455 if (link) link->wRefCount++;
1457 part->next = 0;
1458 *partp = &part->next;
1460 space->cx = 0;
1462 return TRUE;
1465 /***********************************************************************
1467 * WINHELP_AppendGfxObject
1469 static WINHELP_LINE_PART* WINHELP_AppendGfxObject(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp,
1470 LPSIZE space, LPSIZE gfxSize,
1471 HLPFILE_LINK *link, unsigned pos)
1473 WINHELP_LINE *line;
1474 WINHELP_LINE_PART *part;
1475 LPSTR ptr;
1477 if (!*partp || pos == 1) /* New line */
1479 line = HeapAlloc(GetProcessHeap(), 0, sizeof(WINHELP_LINE));
1480 if (!line) return NULL;
1482 line->next = NULL;
1483 part = &line->first_part;
1485 line->rect.top = (**linep ? (**linep)->rect.bottom : 0) + space->cy;
1486 line->rect.bottom = line->rect.top;
1487 line->rect.left = space->cx;
1488 line->rect.right = space->cx;
1490 if (**linep) *linep = &(**linep)->next;
1491 **linep = line;
1492 space->cy = 0;
1493 ptr = (char*)line + sizeof(WINHELP_LINE);
1495 else /* Same line */
1497 if (pos == 2) WINE_FIXME("Left alignment not handled\n");
1498 line = **linep;
1500 part = HeapAlloc(GetProcessHeap(), 0, sizeof(WINHELP_LINE_PART));
1501 if (!part) return NULL;
1502 **partp = part;
1503 ptr = (char*)part + sizeof(WINHELP_LINE_PART);
1506 /* part->cookie should be set by caller (image or metafile) */
1507 part->rect.left = line->rect.right + (*partp ? space->cx : 0);
1508 part->rect.right = part->rect.left + gfxSize->cx;
1509 line->rect.right = part->rect.right;
1510 part->rect.top = (*partp) ? line->rect.top : line->rect.bottom;
1511 part->rect.bottom = part->rect.top + gfxSize->cy;
1512 line->rect.bottom = max(line->rect.bottom, part->rect.bottom);
1514 WINE_TRACE("Appended gfx @ (%d,%d-%d,%d)\n",
1515 part->rect.left, part->rect.top, part->rect.right, part->rect.bottom);
1517 part->link = link;
1518 if (link) link->wRefCount++;
1520 part->next = NULL;
1521 *partp = &part->next;
1523 space->cx = 0;
1525 return part;
1529 /***********************************************************************
1531 * WINHELP_SplitLines
1533 static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE newsize)
1535 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1536 HLPFILE_PARAGRAPH *p;
1537 WINHELP_LINE **line = &win->first_line;
1538 WINHELP_LINE_PART **part = 0;
1539 INT line_ascent = 0;
1540 SIZE space;
1541 RECT rect;
1542 HDC hDc;
1544 if (newsize) newsize->cx = newsize->cy = 0;
1546 if (!win->page) return TRUE;
1548 WINHELP_DeleteLines(win);
1550 GetClientRect(hWnd, &rect);
1552 rect.top += INTERNAL_BORDER_WIDTH;
1553 rect.left += INTERNAL_BORDER_WIDTH;
1554 rect.right -= INTERNAL_BORDER_WIDTH;
1555 rect.bottom -= INTERNAL_BORDER_WIDTH;
1557 space.cy = rect.top;
1558 space.cx = rect.left;
1560 hDc = GetDC(hWnd);
1562 for (p = win->page->first_paragraph; p; p = p->next)
1564 switch (p->cookie)
1566 case para_normal_text:
1567 case para_debug_text:
1569 TEXTMETRIC tm;
1570 SIZE textsize = {0, 0};
1571 LPCSTR text = p->u.text.lpszText;
1572 UINT indent = 0;
1573 UINT len = strlen(text);
1574 unsigned underline = 0;
1576 HFONT hFont = 0;
1577 COLORREF color = RGB(0, 0, 0);
1579 if (p->u.text.wFont < win->page->file->numFonts)
1581 HLPFILE* hlpfile = win->page->file;
1583 if (!hlpfile->fonts[p->u.text.wFont].hFont)
1584 hlpfile->fonts[p->u.text.wFont].hFont = CreateFontIndirect(&hlpfile->fonts[p->u.text.wFont].LogFont);
1585 hFont = hlpfile->fonts[p->u.text.wFont].hFont;
1586 color = hlpfile->fonts[p->u.text.wFont].color;
1588 else
1590 UINT wFont = (p->u.text.wFont < win->fonts_len) ? p->u.text.wFont : 0;
1592 hFont = win->fonts[wFont];
1595 if (p->link && p->link->bClrChange)
1597 underline = (p->link->cookie == hlp_link_popup) ? 3 : 1;
1598 color = RGB(0, 0x80, 0);
1600 if (p->cookie == para_debug_text) color = RGB(0xff, 0, 0);
1602 SelectObject(hDc, hFont);
1604 GetTextMetrics(hDc, &tm);
1606 if (p->u.text.wIndent)
1608 indent = p->u.text.wIndent * 5 * tm.tmAveCharWidth;
1609 if (!part)
1610 space.cx = rect.left + indent - 2 * tm.tmAveCharWidth;
1613 if (p->u.text.wVSpace)
1615 part = 0;
1616 space.cx = rect.left + indent;
1617 space.cy += (p->u.text.wVSpace - 1) * tm.tmHeight;
1620 if (p->u.text.wHSpace)
1622 space.cx += p->u.text.wHSpace * 2 * tm.tmAveCharWidth;
1625 WINE_TRACE("splitting text %s\n", text);
1627 while (len)
1629 INT free_width = rect.right - (part ? (*line)->rect.right : rect.left) - space.cx;
1630 UINT low = 0, curr = len, high = len, textlen = 0;
1632 if (free_width > 0)
1634 while (1)
1636 GetTextExtentPoint(hDc, text, curr, &textsize);
1638 if (textsize.cx <= free_width) low = curr;
1639 else high = curr;
1641 if (high <= low + 1) break;
1643 if (textsize.cx) curr = (curr * free_width) / textsize.cx;
1644 if (curr <= low) curr = low + 1;
1645 else if (curr >= high) curr = high - 1;
1647 textlen = low;
1648 while (textlen && text[textlen] && text[textlen] != ' ') textlen--;
1650 if (!part && !textlen) textlen = max(low, 1);
1652 if (free_width <= 0 || !textlen)
1654 part = 0;
1655 space.cx = rect.left + indent;
1656 space.cx = min(space.cx, rect.right - rect.left - 1);
1657 continue;
1660 WINE_TRACE("\t => %d %*s\n", textlen, textlen, text);
1662 if (!WINHELP_AppendText(&line, &part, &space, &textsize,
1663 &line_ascent, tm.tmAscent,
1664 text, textlen, hFont, color, p->link, underline) ||
1665 (!newsize && (*line)->rect.bottom > rect.bottom))
1667 ReleaseDC(hWnd, hDc);
1668 return FALSE;
1671 if (newsize)
1672 newsize->cx = max(newsize->cx, (*line)->rect.right + INTERNAL_BORDER_WIDTH);
1674 len -= textlen;
1675 text += textlen;
1676 if (text[0] == ' ') text++, len--;
1679 break;
1680 case para_bitmap:
1681 case para_metafile:
1683 SIZE gfxSize;
1684 INT free_width;
1685 WINHELP_LINE_PART* ref_part;
1687 if (p->u.gfx.pos & 0x8000)
1689 space.cx = rect.left;
1690 if (*line)
1691 space.cy += (*line)->rect.bottom - (*line)->rect.top;
1692 part = 0;
1695 if (p->cookie == para_bitmap)
1697 DIBSECTION dibs;
1699 GetObject(p->u.gfx.u.bmp.hBitmap, sizeof(dibs), &dibs);
1700 gfxSize.cx = dibs.dsBm.bmWidth;
1701 gfxSize.cy = dibs.dsBm.bmHeight;
1703 else
1705 LPMETAFILEPICT lpmfp = &p->u.gfx.u.mfp;
1706 if (lpmfp->mm == MM_ANISOTROPIC || lpmfp->mm == MM_ISOTROPIC)
1708 gfxSize.cx = MulDiv(lpmfp->xExt, GetDeviceCaps(hDc, HORZRES),
1709 100*GetDeviceCaps(hDc, HORZSIZE));
1710 gfxSize.cy = MulDiv(lpmfp->yExt, GetDeviceCaps(hDc, VERTRES),
1711 100*GetDeviceCaps(hDc, VERTSIZE));
1713 else
1715 gfxSize.cx = lpmfp->xExt;
1716 gfxSize.cy = lpmfp->yExt;
1720 free_width = rect.right - ((part && *line) ? (*line)->rect.right : rect.left) - space.cx;
1721 if (free_width <= 0)
1723 part = NULL;
1724 space.cx = rect.left;
1725 space.cx = min(space.cx, rect.right - rect.left - 1);
1727 ref_part = WINHELP_AppendGfxObject(&line, &part, &space, &gfxSize,
1728 p->link, p->u.gfx.pos);
1729 if (!ref_part || (!newsize && (*line)->rect.bottom > rect.bottom))
1731 return FALSE;
1733 if (p->cookie == para_bitmap)
1735 ref_part->cookie = hlp_line_part_bitmap;
1736 ref_part->u.bitmap.hBitmap = p->u.gfx.u.bmp.hBitmap;
1738 else
1740 ref_part->cookie = hlp_line_part_metafile;
1741 ref_part->u.metafile.hMetaFile = p->u.gfx.u.mfp.hMF;
1742 ref_part->u.metafile.mm = p->u.gfx.u.mfp.mm;
1745 break;
1749 if (newsize)
1750 newsize->cy = (*line)->rect.bottom + INTERNAL_BORDER_WIDTH;
1752 ReleaseDC(hWnd, hDc);
1753 return TRUE;
1756 /***********************************************************************
1758 * WINHELP_CheckPopup
1760 static void WINHELP_CheckPopup(UINT msg)
1762 if (!Globals.hPopupWnd) return;
1764 switch (msg)
1766 case WM_COMMAND:
1767 case WM_LBUTTONDOWN:
1768 case WM_MBUTTONDOWN:
1769 case WM_RBUTTONDOWN:
1770 case WM_NCLBUTTONDOWN:
1771 case WM_NCMBUTTONDOWN:
1772 case WM_NCRBUTTONDOWN:
1773 DestroyWindow(Globals.hPopupWnd);
1774 Globals.hPopupWnd = 0;
1778 /***********************************************************************
1780 * WINHELP_DeleteLines
1782 static void WINHELP_DeleteLines(WINHELP_WINDOW *win)
1784 WINHELP_LINE *line, *next_line;
1785 WINHELP_LINE_PART *part, *next_part;
1786 for (line = win->first_line; line; line = next_line)
1788 next_line = line->next;
1789 for (part = &line->first_part; part; part = next_part)
1791 next_part = part->next;
1792 HLPFILE_FreeLink(part->link);
1793 HeapFree(GetProcessHeap(), 0, part);
1796 win->first_line = 0;
1799 /***********************************************************************
1801 * WINHELP_DeleteWindow
1803 static void WINHELP_DeleteWindow(WINHELP_WINDOW* win)
1805 WINHELP_WINDOW** w;
1806 unsigned int i;
1807 WINHELP_BUTTON* b;
1808 WINHELP_BUTTON* bp;
1810 for (w = &Globals.win_list; *w; w = &(*w)->next)
1812 if (*w == win)
1814 *w = win->next;
1815 break;
1819 if (Globals.active_win == win)
1821 Globals.active_win = Globals.win_list;
1822 if (Globals.win_list)
1823 SetActiveWindow(Globals.win_list->hMainWnd);
1826 for (b = win->first_button; b; b = bp)
1828 DestroyWindow(b->hWnd);
1829 bp = b->next;
1830 HeapFree(GetProcessHeap(), 0, b);
1833 if (win->hShadowWnd) DestroyWindow(win->hShadowWnd);
1834 if (win->hHistoryWnd) DestroyWindow(win->hHistoryWnd);
1836 DeleteObject(win->hBrush);
1838 for (i = 0; i < win->histIndex; i++)
1840 HLPFILE_FreeHlpFile(win->history[i]->file);
1843 for (i = 0; i < win->backIndex; i++)
1844 HLPFILE_FreeHlpFile(win->back[i]->file);
1846 if (win->page) HLPFILE_FreeHlpFile(win->page->file);
1847 WINHELP_DeleteLines(win);
1848 HeapFree(GetProcessHeap(), 0, win);
1851 /***********************************************************************
1853 * WINHELP_InitFonts
1855 static void WINHELP_InitFonts(HWND hWnd)
1857 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1858 LOGFONT logfontlist[] = {
1859 {-10, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1860 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1861 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1862 {-12, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1863 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1864 {-10, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1865 { -8, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"}};
1866 #define FONTS_LEN (sizeof(logfontlist)/sizeof(*logfontlist))
1868 static HFONT fonts[FONTS_LEN];
1869 static BOOL init = 0;
1871 win->fonts_len = FONTS_LEN;
1872 win->fonts = fonts;
1874 if (!init)
1876 UINT i;
1878 for (i = 0; i < FONTS_LEN; i++)
1880 fonts[i] = CreateFontIndirect(&logfontlist[i]);
1883 init = 1;
1887 /***********************************************************************
1889 * WINHELP_MessageBoxIDS
1891 INT WINHELP_MessageBoxIDS(UINT ids_text, UINT ids_title, WORD type)
1893 CHAR text[MAX_STRING_LEN];
1894 CHAR title[MAX_STRING_LEN];
1896 LoadString(Globals.hInstance, ids_text, text, sizeof(text));
1897 LoadString(Globals.hInstance, ids_title, title, sizeof(title));
1899 return MessageBox(0, text, title, type);
1902 /***********************************************************************
1904 * MAIN_MessageBoxIDS_s
1906 INT WINHELP_MessageBoxIDS_s(UINT ids_text, LPCSTR str, UINT ids_title, WORD type)
1908 CHAR text[MAX_STRING_LEN];
1909 CHAR title[MAX_STRING_LEN];
1910 CHAR newtext[MAX_STRING_LEN + MAX_PATH];
1912 LoadString(Globals.hInstance, ids_text, text, sizeof(text));
1913 LoadString(Globals.hInstance, ids_title, title, sizeof(title));
1914 wsprintf(newtext, text, str);
1916 return MessageBox(0, newtext, title, type);
1919 /******************************************************************
1920 * WINHELP_IsOverLink
1924 WINHELP_LINE_PART* WINHELP_IsOverLink(WINHELP_WINDOW* win, WPARAM wParam, LPARAM lParam)
1926 POINT mouse;
1927 WINHELP_LINE *line;
1928 WINHELP_LINE_PART *part;
1929 int scroll_pos = GetScrollPos(win->hTextWnd, SB_VERT);
1931 mouse.x = LOWORD(lParam);
1932 mouse.y = HIWORD(lParam);
1933 for (line = win->first_line; line; line = line->next)
1935 for (part = &line->first_part; part; part = part->next)
1937 if (part->link &&
1938 part->link->lpszString &&
1939 part->rect.left <= mouse.x &&
1940 part->rect.right >= mouse.x &&
1941 part->rect.top <= mouse.y + scroll_pos &&
1942 part->rect.bottom >= mouse.y + scroll_pos)
1944 return part;
1949 return NULL;
1952 /**************************************************************************
1953 * cb_KWBTree
1955 * HLPFILE_BPTreeCallback enumeration function for '|KWBTREE' internal file.
1958 static void cb_KWBTree(void *p, void **next, void *cookie)
1960 HWND hListWnd = (HWND)cookie;
1961 int count;
1963 WINE_TRACE("Adding '%s' to search list\n", (char *)p);
1964 SendMessage(hListWnd, LB_INSERTSTRING, -1, (LPARAM)p);
1965 count = SendMessage(hListWnd, LB_GETCOUNT, 0, 0);
1966 SendMessage(hListWnd, LB_SETITEMDATA, count-1, (LPARAM)p);
1967 *next = (char*)p + strlen((char*)p) + 7;
1970 /**************************************************************************
1971 * WINHELP_IndexDlgProc
1973 * Index dialog callback function.
1975 * nResult passed to EndDialog:
1976 * 1: CANCEL button
1977 * >1: valid offset value +2.
1978 * EndDialog itself can return 0 (error).
1980 INT_PTR CALLBACK WINHELP_SearchDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1982 static HLPFILE *file;
1983 int sel;
1984 ULONG offset = 1;
1986 switch (msg)
1988 case WM_INITDIALOG:
1989 file = (HLPFILE *)lParam;
1990 HLPFILE_BPTreeEnum(file->kwbtree, cb_KWBTree,
1991 GetDlgItem(hWnd, IDC_INDEXLIST));
1992 return TRUE;
1993 case WM_COMMAND:
1994 switch (LOWORD(wParam))
1996 case IDOK:
1997 sel = SendDlgItemMessage(hWnd, IDC_INDEXLIST, LB_GETCURSEL, 0, 0);
1998 if (sel != LB_ERR)
2000 BYTE *p;
2001 int count;
2003 p = (BYTE*)SendDlgItemMessage(hWnd, IDC_INDEXLIST,
2004 LB_GETITEMDATA, sel, 0);
2005 count = *(short*)((char *)p + strlen((char *)p) + 1);
2006 if (count > 1)
2008 MessageBox(hWnd, "count > 1 not supported yet", "Error", MB_OK | MB_ICONSTOP);
2009 return TRUE;
2011 offset = *(ULONG*)((char *)p + strlen((char *)p) + 3);
2012 offset = *(long*)(file->kwdata + offset + 9);
2013 if (offset == 0xFFFFFFFF)
2015 MessageBox(hWnd, "macro keywords not supported yet", "Error", MB_OK | MB_ICONSTOP);
2016 return TRUE;
2018 offset += 2;
2020 /* Fall through */
2021 case IDCANCEL:
2022 EndDialog(hWnd, offset);
2023 return TRUE;
2024 default:
2025 break;
2027 default:
2028 break;
2030 return FALSE;
2033 /**************************************************************************
2034 * WINHELP_CreateIndexWindow
2036 * Displays a dialog with keywords of current help file.
2039 BOOL WINHELP_CreateIndexWindow(void)
2041 int ret;
2042 HLPFILE *hlpfile;
2044 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
2045 hlpfile = Globals.active_win->page->file;
2046 else
2047 return FALSE;
2049 if (hlpfile->kwbtree == NULL)
2051 WINE_TRACE("No index provided\n");
2052 return FALSE;
2055 ret = DialogBoxParam(Globals.hInstance, MAKEINTRESOURCE(IDD_INDEX),
2056 Globals.active_win->hMainWnd, WINHELP_SearchDlgProc,
2057 (LPARAM)hlpfile);
2058 if (ret > 1)
2060 ret -= 2;
2061 WINE_TRACE("got %d as an offset\n", ret);
2062 WINHELP_CreateHelpWindowByOffset(hlpfile, ret, Globals.active_win->info, SW_NORMAL);
2064 return TRUE;