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Release 0.9.61.
[wine/gsoc-2012-control.git] / programs / winhelp / winhelp.c
blob51cebf7df4aafea4ef9757014fdab0176c91c374
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 *
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.
13 *
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.
18 *
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
22 */
23
24 #include <assert.h>
25 #include <stdio.h>
26 #include <string.h>
27 #include <stdarg.h>
28 #include <stdlib.h>
29
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"
38 #include "richedit.h"
39
40 #include "wine/debug.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
43
44 static BOOL WINHELP_RegisterWinClasses(void);
45 static LRESULT CALLBACK WINHELP_MainWndProc(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 BOOL WINHELP_CheckPopup(HWND, UINT, WPARAM, LPARAM, LRESULT*);
51 static void WINHELP_InitFonts(HWND hWnd);
52 static void WINHELP_DeleteWindow(WINHELP_WINDOW*);
53 static void WINHELP_DeleteButtons(WINHELP_WINDOW*);
54 static void WINHELP_SetupText(HWND hWnd, WINHELP_WINDOW *win, ULONG relative);
55 static void WINHELP_DeletePageLinks(HLPFILE_PAGE* page);
56
57 WINHELP_GLOBALS Globals = {3, NULL, TRUE, NULL, NULL, NULL, NULL, NULL, {{{NULL,NULL}},0}};
58
59 #define CTL_ID_BUTTON 0x700
60 #define CTL_ID_TEXT 0x701
61
62 /***********************************************************************
63 *
64 * WINHELP_GetOpenFileName
65 */
66 BOOL WINHELP_GetOpenFileName(LPSTR lpszFile, int len)
67 {
68 OPENFILENAME openfilename;
69 CHAR szDir[MAX_PATH];
70 CHAR szzFilter[2 * MAX_STRING_LEN + 100];
71 LPSTR p = szzFilter;
72
73 WINE_TRACE("()\n");
74
75 LoadString(Globals.hInstance, STID_HELP_FILES_HLP, p, MAX_STRING_LEN);
76 p += strlen(p) + 1;
77 lstrcpy(p, "*.hlp");
78 p += strlen(p) + 1;
79 LoadString(Globals.hInstance, STID_ALL_FILES, p, MAX_STRING_LEN);
80 p += strlen(p) + 1;
81 lstrcpy(p, "*.*");
82 p += strlen(p) + 1;
83 *p = '\0';
84
85 GetCurrentDirectory(sizeof(szDir), szDir);
86
87 lpszFile[0]='\0';
88
89 openfilename.lStructSize = sizeof(OPENFILENAME);
90 openfilename.hwndOwner = NULL;
91 openfilename.hInstance = Globals.hInstance;
92 openfilename.lpstrFilter = szzFilter;
93 openfilename.lpstrCustomFilter = 0;
94 openfilename.nMaxCustFilter = 0;
95 openfilename.nFilterIndex = 1;
96 openfilename.lpstrFile = lpszFile;
97 openfilename.nMaxFile = len;
98 openfilename.lpstrFileTitle = 0;
99 openfilename.nMaxFileTitle = 0;
100 openfilename.lpstrInitialDir = szDir;
101 openfilename.lpstrTitle = 0;
102 openfilename.Flags = 0;
103 openfilename.nFileOffset = 0;
104 openfilename.nFileExtension = 0;
105 openfilename.lpstrDefExt = 0;
106 openfilename.lCustData = 0;
107 openfilename.lpfnHook = 0;
108 openfilename.lpTemplateName = 0;
109
110 return GetOpenFileName(&openfilename);
111 }
112
113 static char* WINHELP_GetCaption(WINHELP_WNDPAGE* wpage)
114 {
115 if (wpage->wininfo->caption[0]) return wpage->wininfo->caption;
116 return wpage->page->file->lpszTitle;
117 }
118
119 /***********************************************************************
120 *
121 * WINHELP_LookupHelpFile
122 */
123 HLPFILE* WINHELP_LookupHelpFile(LPCSTR lpszFile)
124 {
125 HLPFILE* hlpfile;
126 char szFullName[MAX_PATH];
127 char szAddPath[MAX_PATH];
128 char *p;
129
130 /*
131 * NOTE: This is needed by popup windows only.
132 * In other cases it's not needed but does not hurt though.
133 */
134 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
135 {
136 strcpy(szAddPath, Globals.active_win->page->file->lpszPath);
137 p = strrchr(szAddPath, '\\');
138 if (p) *p = 0;
139 }
140
141 /*
142 * FIXME: Should we swap conditions?
143 */
144 if (!SearchPath(NULL, lpszFile, ".hlp", MAX_PATH, szFullName, NULL) &&
145 !SearchPath(szAddPath, lpszFile, ".hlp", MAX_PATH, szFullName, NULL))
146 {
147 if (WINHELP_MessageBoxIDS_s(STID_FILE_NOT_FOUND_s, lpszFile, STID_WHERROR,
148 MB_YESNO|MB_ICONQUESTION) != IDYES)
149 return NULL;
150 if (!WINHELP_GetOpenFileName(szFullName, MAX_PATH))
151 return NULL;
152 }
153 hlpfile = HLPFILE_ReadHlpFile(szFullName);
154 if (!hlpfile)
155 WINHELP_MessageBoxIDS_s(STID_HLPFILE_ERROR_s, lpszFile,
156 STID_WHERROR, MB_OK|MB_ICONSTOP);
157 return hlpfile;
158 }
159
160 /******************************************************************
161 * WINHELP_GetWindowInfo
162 *
163 *
164 */
165 HLPFILE_WINDOWINFO* WINHELP_GetWindowInfo(HLPFILE* hlpfile, LPCSTR name)
166 {
167 static HLPFILE_WINDOWINFO mwi;
168 unsigned int i;
169
170 if (!name || !name[0])
171 name = Globals.active_win->lpszName;
172
173 if (hlpfile)
174 for (i = 0; i < hlpfile->numWindows; i++)
175 if (!strcmp(hlpfile->windows[i].name, name))
176 return &hlpfile->windows[i];
177
178 if (strcmp(name, "main") != 0)
179 {
180 WINE_FIXME("Couldn't find window info for %s\n", name);
181 assert(0);
182 return NULL;
183 }
184 if (!mwi.name[0])
185 {
186 strcpy(mwi.type, "primary");
187 strcpy(mwi.name, "main");
188 if (!LoadString(Globals.hInstance, STID_WINE_HELP,
189 mwi.caption, sizeof(mwi.caption)))
190 strcpy(mwi.caption, hlpfile->lpszTitle);
191 mwi.origin.x = mwi.origin.y = mwi.size.cx = mwi.size.cy = CW_USEDEFAULT;
192 mwi.style = SW_SHOW;
193 mwi.win_style = WS_OVERLAPPEDWINDOW;
194 mwi.sr_color = mwi.sr_color = 0xFFFFFF;
195 }
196 return &mwi;
197 }
198
199 /******************************************************************
200 * HLPFILE_GetPopupWindowInfo
201 *
202 *
203 */
204 static HLPFILE_WINDOWINFO* WINHELP_GetPopupWindowInfo(HLPFILE* hlpfile,
205 WINHELP_WINDOW* parent, LPARAM mouse)
206 {
207 static HLPFILE_WINDOWINFO wi;
208
209 RECT parent_rect;
210
211 wi.type[0] = wi.name[0] = wi.caption[0] = '\0';
212
213 /* Calculate horizontal size and position of a popup window */
214 GetWindowRect(parent->hMainWnd, &parent_rect);
215 wi.size.cx = (parent_rect.right - parent_rect.left) / 2;
216 wi.size.cy = 10; /* need a non null value, so that border are taken into account while computing */
217
218 wi.origin.x = (short)LOWORD(mouse);
219 wi.origin.y = (short)HIWORD(mouse);
220 ClientToScreen(parent->hMainWnd, &wi.origin);
221 wi.origin.x -= wi.size.cx / 2;
222 wi.origin.x = min(wi.origin.x, GetSystemMetrics(SM_CXSCREEN) - wi.size.cx);
223 wi.origin.x = max(wi.origin.x, 0);
224
225 wi.style = SW_SHOW;
226 wi.win_style = WS_POPUP | WS_BORDER;
227 wi.sr_color = parent->info->sr_color;
228 wi.nsr_color = 0xFFFFFF;
229
230 return &wi;
231 }
232
233 /***********************************************************************
234 *
235 * WinMain
236 */
237 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
238 {
239 MSG msg;
240 LONG lHash = 0;
241 HLPFILE* hlpfile;
242 static CHAR default_wndname[] = "main";
243 LPSTR wndname = default_wndname;
244 WINHELP_DLL* dll;
245
246 Globals.hInstance = hInstance;
247
248 if (LoadLibrary("riched20.dll") == NULL)
249 return MessageBox(0, MAKEINTRESOURCE(STID_NO_RICHEDIT),
250 MAKEINTRESOURCE(STID_WHERROR), MB_OK);
251
252 /* Get options */
253 while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
254 {
255 CHAR option;
256 LPCSTR topic_id;
257 if (*cmdline++ == ' ') continue;
258
259 option = *cmdline;
260 if (option) cmdline++;
261 while (*cmdline && *cmdline == ' ') cmdline++;
262 switch (option)
263 {
264 case 'i':
265 case 'I':
266 topic_id = cmdline;
267 while (*cmdline && *cmdline != ' ') cmdline++;
268 if (*cmdline) *cmdline++ = '\0';
269 lHash = HLPFILE_Hash(topic_id);
270 break;
271
272 case '3':
273 case '4':
274 Globals.wVersion = option - '0';
275 break;
276
277 case 'x':
278 show = SW_HIDE;
279 Globals.isBook = FALSE;
280 break;
281
282 default:
283 WINE_FIXME("Unsupported cmd line: %s\n", cmdline);
284 break;
285 }
286 }
287
288 /* Create primary window */
289 if (!WINHELP_RegisterWinClasses())
290 {
291 WINE_FIXME("Couldn't register classes\n");
292 return 0;
293 }
294
295 if (*cmdline)
296 {
297 char* ptr;
298 if ((*cmdline == '"') && (ptr = strchr(cmdline+1, '"')))
299 {
300 cmdline++;
301 *ptr = '\0';
302 }
303 if ((ptr = strchr(cmdline, '>')))
304 {
305 *ptr = '\0';
306 wndname = ptr + 1;
307 }
308 hlpfile = WINHELP_LookupHelpFile(cmdline);
309 if (!hlpfile) return 0;
310 }
311 else hlpfile = NULL;
312 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, lHash,
313 WINHELP_GetWindowInfo(hlpfile, wndname), show);
314
315 /* Message loop */
316 while (GetMessage(&msg, 0, 0, 0))
317 {
318 TranslateMessage(&msg);
319 DispatchMessage(&msg);
320 }
321 for (dll = Globals.dlls; dll; dll = dll->next)
322 {
323 if (dll->class & DC_INITTERM) dll->handler(DW_TERM, 0, 0);
324 }
325 return 0;
326 }
327
328 /***********************************************************************
329 *
330 * RegisterWinClasses
331 */
332 static BOOL WINHELP_RegisterWinClasses(void)
333 {
334 WNDCLASS class_main, class_button_box, class_shadow, class_history;
335
336 class_main.style = CS_HREDRAW | CS_VREDRAW;
337 class_main.lpfnWndProc = WINHELP_MainWndProc;
338 class_main.cbClsExtra = 0;
339 class_main.cbWndExtra = sizeof(LONG);
340 class_main.hInstance = Globals.hInstance;
341 class_main.hIcon = LoadIcon(Globals.hInstance, MAKEINTRESOURCE(IDI_WINHELP));
342 class_main.hCursor = LoadCursor(0, IDC_ARROW);
343 class_main.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
344 class_main.lpszMenuName = 0;
345 class_main.lpszClassName = MAIN_WIN_CLASS_NAME;
346
347 class_button_box = class_main;
348 class_button_box.lpfnWndProc = WINHELP_ButtonBoxWndProc;
349 class_button_box.cbWndExtra = 0;
350 class_button_box.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
351 class_button_box.lpszClassName = BUTTON_BOX_WIN_CLASS_NAME;
352
353 class_shadow = class_main;
354 class_shadow.lpfnWndProc = WINHELP_ShadowWndProc;
355 class_shadow.cbWndExtra = 0;
356 class_shadow.hbrBackground = (HBRUSH)(COLOR_3DDKSHADOW+1);
357 class_shadow.lpszClassName = SHADOW_WIN_CLASS_NAME;
358
359 class_history = class_main;
360 class_history.lpfnWndProc = WINHELP_HistoryWndProc;
361 class_history.lpszClassName = HISTORY_WIN_CLASS_NAME;
362
363 return (RegisterClass(&class_main) &&
364 RegisterClass(&class_button_box) &&
365 RegisterClass(&class_shadow) &&
366 RegisterClass(&class_history));
367 }
368
369 typedef struct
370 {
371 WORD size;
372 WORD command;
373 LONG data;
374 LONG reserved;
375 WORD ofsFilename;
376 WORD ofsData;
377 } WINHELP,*LPWINHELP;
378
379 /******************************************************************
380 * WINHELP_HandleCommand
381 *
382 *
383 */
384 static LRESULT WINHELP_HandleCommand(HWND hSrcWnd, LPARAM lParam)
385 {
386 COPYDATASTRUCT* cds = (COPYDATASTRUCT*)lParam;
387 WINHELP* wh;
388
389 if (cds->dwData != 0xA1DE505)
390 {
391 WINE_FIXME("Wrong magic number (%08lx)\n", cds->dwData);
392 return 0;
393 }
394
395 wh = (WINHELP*)cds->lpData;
396
397 if (wh)
398 {
399 char* ptr = (wh->ofsFilename) ? (LPSTR)wh + wh->ofsFilename : NULL;
400
401 WINE_TRACE("Got[%u]: cmd=%u data=%08x fn=%s\n",
402 wh->size, wh->command, wh->data, ptr);
403 switch (wh->command)
404 {
405 case HELP_CONTEXT:
406 if (ptr)
407 {
408 MACRO_JumpContext(ptr, "main", wh->data);
409 }
410 break;
411 case HELP_QUIT:
412 MACRO_Exit();
413 break;
414 case HELP_CONTENTS:
415 if (ptr)
416 {
417 MACRO_JumpContents(ptr, "main");
418 }
419 break;
420 case HELP_HELPONHELP:
421 MACRO_HelpOn();
422 break;
423 /* case HELP_SETINDEX: */
424 case HELP_SETCONTENTS:
425 if (ptr)
426 {
427 MACRO_SetContents(ptr, wh->data);
428 }
429 break;
430 case HELP_CONTEXTPOPUP:
431 if (ptr)
432 {
433 MACRO_PopupContext(ptr, wh->data);
434 }
435 break;
436 /* case HELP_FORCEFILE:*/
437 /* case HELP_CONTEXTMENU: */
438 case HELP_FINDER:
439 /* in fact, should be the topic dialog box */
440 WINE_FIXME("HELP_FINDER: stub\n");
441 if (ptr)
442 {
443 MACRO_JumpHash(ptr, "main", 0);
444 }
445 break;
446 /* case HELP_WM_HELP: */
447 /* case HELP_SETPOPUP_POS: */
448 /* case HELP_KEY: */
449 /* case HELP_COMMAND: */
450 /* case HELP_PARTIALKEY: */
451 /* case HELP_MULTIKEY: */
452 /* case HELP_SETWINPOS: */
453 default:
454 WINE_FIXME("Unhandled command (%x) for remote winhelp control\n", wh->command);
455 break;
456 }
457 }
458 /* Always return success for now */
459 return 1;
460 }
461
462 void WINHELP_LayoutMainWindow(WINHELP_WINDOW* win)
463 {
464 RECT rect, button_box_rect;
465 INT text_top = 0;
466 HWND hButtonBoxWnd = GetDlgItem(win->hMainWnd, CTL_ID_BUTTON);
467 HWND hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
468
469 GetClientRect(win->hMainWnd, &rect);
470
471 /* Update button box and text Window */
472 SetWindowPos(hButtonBoxWnd, HWND_TOP,
473 rect.left, rect.top,
474 rect.right - rect.left,
475 rect.bottom - rect.top, 0);
476
477 if (GetWindowRect(hButtonBoxWnd, &button_box_rect))
478 text_top = rect.top + button_box_rect.bottom - button_box_rect.top;
479
480 SetWindowPos(hTextWnd, HWND_TOP,
481 rect.left, text_top,
482 rect.right - rect.left,
483 rect.bottom - text_top, 0);
484
485 }
486
487 static void WINHELP_RememberPage(WINHELP_WINDOW* win, WINHELP_WNDPAGE* wpage)
488 {
489 unsigned num;
490
491 if (!Globals.history.index || Globals.history.set[0].page != wpage->page)
492 {
493 num = sizeof(Globals.history.set) / sizeof(Globals.history.set[0]);
494 /* we're full, remove latest entry */
495 if (Globals.history.index == num)
496 {
497 HLPFILE_FreeHlpFile(Globals.history.set[num - 1].page->file);
498 Globals.history.index--;
499 }
500 memmove(&Globals.history.set[1], &Globals.history.set[0],
501 Globals.history.index * sizeof(Globals.history.set[0]));
502 Globals.history.set[0] = *wpage;
503 Globals.history.index++;
504 wpage->page->file->wRefCount++;
505 }
506 if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
507
508 num = sizeof(win->back.set) / sizeof(win->back.set[0]);
509 if (win->back.index == num)
510 {
511 /* we're full, remove latest entry */
512 HLPFILE_FreeHlpFile(win->back.set[0].page->file);
513 memmove(&win->back.set[0], &win->back.set[1],
514 (num - 1) * sizeof(win->back.set[0]));
515 win->back.index--;
516 }
517 win->back.set[win->back.index++] = *wpage;
518 wpage->page->file->wRefCount++;
519 }
520
521 /***********************************************************************
522 *
523 * WINHELP_CreateHelpWindow
524 */
525 BOOL WINHELP_CreateHelpWindow(WINHELP_WNDPAGE* wpage, int nCmdShow, BOOL remember)
526 {
527 WINHELP_WINDOW* win = NULL;
528 BOOL bPrimary, bPopup, bReUsed = FALSE;
529 LPSTR name;
530 HICON hIcon;
531 HWND hTextWnd = NULL;
532
533 bPrimary = !lstrcmpi(wpage->wininfo->name, "main");
534 bPopup = !bPrimary && (wpage->wininfo->win_style & WS_POPUP);
535
536 if (!bPopup)
537 {
538 for (win = Globals.win_list; win; win = win->next)
539 {
540 if (!lstrcmpi(win->lpszName, wpage->wininfo->name))
541 {
542 POINT pt = {0, 0};
543 SIZE sz = {0, 0};
544 DWORD flags = SWP_NOSIZE | SWP_NOMOVE;
545
546 WINHELP_DeleteButtons(win);
547 bReUsed = TRUE;
548 SetWindowText(win->hMainWnd, WINHELP_GetCaption(wpage));
549 if (wpage->wininfo->origin.x != CW_USEDEFAULT &&
550 wpage->wininfo->origin.y != CW_USEDEFAULT)
551 {
552 pt = wpage->wininfo->origin;
553 flags &= ~SWP_NOSIZE;
554 }
555 if (wpage->wininfo->size.cx != CW_USEDEFAULT &&
556 wpage->wininfo->size.cy != CW_USEDEFAULT)
557 {
558 sz = wpage->wininfo->size;
559 flags &= ~SWP_NOMOVE;
560 }
561 SetWindowPos(win->hMainWnd, HWND_TOP, pt.x, pt.y, sz.cx, sz.cy, flags);
562
563 if (wpage->page && win->page && wpage->page->file != win->page->file)
564 WINHELP_DeleteBackSet(win);
565 WINHELP_InitFonts(win->hMainWnd);
566
567 win->page = wpage->page;
568 win->info = wpage->wininfo;
569 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
570 WINHELP_SetupText(hTextWnd, win, wpage->relative);
571
572 InvalidateRect(win->hMainWnd, NULL, TRUE);
573 if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
574
575 break;
576 }
577 }
578 }
579
580 if (!win)
581 {
582 /* Initialize WINHELP_WINDOW struct */
583 win = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
584 sizeof(WINHELP_WINDOW) + strlen(wpage->wininfo->name) + 1);
585 if (!win) return FALSE;
586 win->next = Globals.win_list;
587 Globals.win_list = win;
588
589 name = (char*)win + sizeof(WINHELP_WINDOW);
590 lstrcpy(name, wpage->wininfo->name);
591 win->lpszName = name;
592 win->hHandCur = LoadCursorW(0, (LPWSTR)IDC_HAND);
593 win->back.index = 0;
594 win->font_scale = 1;
595 }
596 win->page = wpage->page;
597 win->info = wpage->wininfo;
598
599 if (!bPopup && wpage->page && remember)
600 {
601 WINHELP_RememberPage(win, wpage);
602 }
603
604 if (bPopup)
605 Globals.active_popup = win;
606 else
607 Globals.active_win = win;
608
609 /* Initialize default pushbuttons */
610 if (bPrimary && wpage->page)
611 {
612 CHAR buffer[MAX_STRING_LEN];
613
614 LoadString(Globals.hInstance, STID_CONTENTS, buffer, sizeof(buffer));
615 MACRO_CreateButton("BTN_CONTENTS", buffer, "Contents()");
616 LoadString(Globals.hInstance, STID_SEARCH,buffer, sizeof(buffer));
617 MACRO_CreateButton("BTN_SEARCH", buffer, "Search()");
618 LoadString(Globals.hInstance, STID_BACK, buffer, sizeof(buffer));
619 MACRO_CreateButton("BTN_BACK", buffer, "Back()");
620 if (win->back.index <= 1) MACRO_DisableButton("BTN_BACK");
621 LoadString(Globals.hInstance, STID_HISTORY, buffer, sizeof(buffer));
622 MACRO_CreateButton("BTN_HISTORY", buffer, "History()");
623 LoadString(Globals.hInstance, STID_TOPICS, buffer, sizeof(buffer));
624 MACRO_CreateButton("BTN_TOPICS", buffer, "Finder()");
625 }
626
627 if (!bReUsed)
628 {
629 win->hMainWnd = CreateWindowEx((bPopup) ? WS_EX_TOOLWINDOW : 0, MAIN_WIN_CLASS_NAME,
630 WINHELP_GetCaption(wpage),
631 bPrimary ? WS_OVERLAPPEDWINDOW : wpage->wininfo->win_style,
632 wpage->wininfo->origin.x, wpage->wininfo->origin.y,
633 wpage->wininfo->size.cx, wpage->wininfo->size.cy,
634 bPopup ? Globals.active_win->hMainWnd : NULL,
635 bPrimary ? LoadMenu(Globals.hInstance, MAKEINTRESOURCE(MAIN_MENU)) : 0,
636 Globals.hInstance, win);
637 if (!bPopup)
638 /* Create button box and text Window */
639 CreateWindow(BUTTON_BOX_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
640 0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_BUTTON, Globals.hInstance, NULL);
641
642 hTextWnd = CreateWindow(RICHEDIT_CLASS, NULL,
643 ES_MULTILINE | ES_READONLY | WS_CHILD | WS_HSCROLL | WS_VSCROLL | WS_VISIBLE,
644 0, 0, 0, 0, win->hMainWnd, (HMENU)CTL_ID_TEXT, Globals.hInstance, NULL);
645 SendMessage(hTextWnd, EM_SETEVENTMASK, 0,
646 SendMessage(hTextWnd, EM_GETEVENTMASK, 0, 0) | ENM_MOUSEEVENTS);
647 }
648
649 hIcon = (wpage->page) ? wpage->page->file->hIcon : NULL;
650 if (!hIcon) hIcon = LoadIcon(Globals.hInstance, MAKEINTRESOURCE(IDI_WINHELP));
651 SendMessage(win->hMainWnd, WM_SETICON, ICON_SMALL, (DWORD_PTR)hIcon);
652
653 /* Initialize file specific pushbuttons */
654 if (!(wpage->wininfo->win_style & WS_POPUP) && wpage->page)
655 {
656 HLPFILE_MACRO *macro;
657 for (macro = wpage->page->file->first_macro; macro; macro = macro->next)
658 MACRO_ExecuteMacro(macro->lpszMacro);
659
660 for (macro = wpage->page->first_macro; macro; macro = macro->next)
661 MACRO_ExecuteMacro(macro->lpszMacro);
662 }
663
664 if (bPopup)
665 {
666 DWORD mask = SendMessage(hTextWnd, EM_GETEVENTMASK, 0, 0);
667 RECT rect;
668
669 win->font_scale = Globals.active_win->font_scale;
670 WINHELP_SetupText(hTextWnd, win, wpage->relative);
671
672 /* we need the window to be shown for richedit to compute the size */
673 ShowWindow(win->hMainWnd, nCmdShow);
674 SendMessage(hTextWnd, EM_SETEVENTMASK, 0, mask | ENM_REQUESTRESIZE);
675 SendMessage(hTextWnd, EM_REQUESTRESIZE, 0, 0);
676 SendMessage(hTextWnd, EM_SETEVENTMASK, 0, mask);
677
678 GetWindowRect(win->hMainWnd, &rect);
679 win->hShadowWnd = CreateWindowEx(WS_EX_TOOLWINDOW, SHADOW_WIN_CLASS_NAME,
680 "", WS_POPUP | WS_VISIBLE,
681 rect.left + SHADOW_DX, rect.top + SHADOW_DY,
682 rect.right - rect.left,
683 rect.bottom - rect.top,
684 Globals.active_win->hMainWnd, 0,
685 Globals.hInstance, NULL);
686 SetWindowPos(win->hMainWnd, win->hShadowWnd, 0, 0, 0, 0,
687 SWP_NOSIZE | SWP_NOMOVE);
688 }
689 else
690 {
691 WINHELP_SetupText(hTextWnd, win, wpage->relative);
692 WINHELP_LayoutMainWindow(win);
693 ShowWindow(win->hMainWnd, nCmdShow);
694 }
695
696 return TRUE;
697 }
698
699 /******************************************************************
700 * WINHELP_OpenHelpWindow
701 * Main function to search for a page and display it in a window
702 */
703 BOOL WINHELP_OpenHelpWindow(HLPFILE_PAGE* (*lookup)(HLPFILE*, LONG, ULONG*),
704 HLPFILE* hlpfile, LONG val, HLPFILE_WINDOWINFO* wi,
705 int nCmdShow)
706 {
707 WINHELP_WNDPAGE wpage;
708
709 wpage.page = lookup(hlpfile, val, &wpage.relative);
710 if (wpage.page) wpage.page->file->wRefCount++;
711 wpage.wininfo = wi;
712 return WINHELP_CreateHelpWindow(&wpage, nCmdShow, TRUE);
713 }
714
715 /***********************************************************************
716 *
717 * WINHELP_FindLink
718 */
719 static HLPFILE_LINK* WINHELP_FindLink(WINHELP_WINDOW* win, LPARAM pos)
720 {
721 HLPFILE_LINK* link;
722 POINTL mouse_ptl, char_ptl, char_next_ptl;
723 DWORD cp;
724
725 if (!win->page) return NULL;
726
727 mouse_ptl.x = (short)LOWORD(pos);
728 mouse_ptl.y = (short)HIWORD(pos);
729 cp = SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_CHARFROMPOS,
730 0, (LPARAM)&mouse_ptl);
731
732 for (link = win->page->first_link; link; link = link->next)
733 {
734 if (link->cpMin <= cp && cp <= link->cpMax)
735 {
736 /* check whether we're at end of line */
737 SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
738 (LPARAM)&char_ptl, cp);
739 SendMessageW(GetDlgItem(win->hMainWnd, CTL_ID_TEXT), EM_POSFROMCHAR,
740 (LPARAM)&char_next_ptl, cp + 1);
741 if (char_next_ptl.y != char_ptl.y || mouse_ptl.x >= char_next_ptl.x)
742 link = NULL;
743 break;
744 }
745 }
746 return link;
747 }
748
749 /******************************************************************
750 * WINHELP_HandleTextMouse
751 *
752 */
753 static BOOL WINHELP_HandleTextMouse(WINHELP_WINDOW* win, UINT msg, LPARAM lParam)
754 {
755 HLPFILE* hlpfile;
756 HLPFILE_LINK* link;
757 BOOL ret = FALSE;
758
759 switch (msg)
760 {
761 case WM_MOUSEMOVE:
762 if (WINHELP_FindLink(win, lParam))
763 SetCursor(win->hHandCur);
764 else
765 SetCursor(LoadCursor(0, IDC_ARROW));
766 break;
767
768 case WM_LBUTTONDOWN:
769 if ((win->current_link = WINHELP_FindLink(win, lParam)))
770 ret = TRUE;
771 break;
772
773 case WM_LBUTTONUP:
774 if ((link = WINHELP_FindLink(win, lParam)) && link == win->current_link)
775 {
776 HLPFILE_WINDOWINFO* wi;
777
778 switch (link->cookie)
779 {
780 case hlp_link_link:
781 if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
782 {
783 if (link->window == -1)
784 wi = win->info;
785 else if ((link->window >= 0) && (link->window < hlpfile->numWindows))
786 wi = &hlpfile->windows[link->window];
787 else
788 {
789 WINE_WARN("link to window %d/%d\n", link->window, hlpfile->numWindows);
790 break;
791 }
792 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash, wi, SW_NORMAL);
793 }
794 break;
795 case hlp_link_popup:
796 if ((hlpfile = WINHELP_LookupHelpFile(link->string)))
797 WINHELP_OpenHelpWindow(HLPFILE_PageByHash, hlpfile, link->hash,
798 WINHELP_GetPopupWindowInfo(hlpfile, win, lParam),
799 SW_NORMAL);
800 break;
801 case hlp_link_macro:
802 MACRO_ExecuteMacro(link->string);
803 break;
804 default:
805 WINE_FIXME("Unknown link cookie %d\n", link->cookie);
806 }
807 ret = TRUE;
808 }
809 win->current_link = NULL;
810 break;
811 }
812 return ret;
813 }
814
815 /***********************************************************************
816 *
817 * WINHELP_MainWndProc
818 */
819 static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
820 {
821 WINHELP_WINDOW *win;
822 WINHELP_BUTTON *button;
823 RECT rect;
824 INT curPos, min, max, dy, keyDelta;
825 HWND hTextWnd;
826 LRESULT ret;
827
828 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, &ret)) return ret;
829
830 switch (msg)
831 {
832 case WM_NCCREATE:
833 win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
834 SetWindowLongPtr(hWnd, 0, (ULONG_PTR) win);
835 if (!win->page && Globals.isBook)
836 PostMessage(hWnd, WM_COMMAND, MNID_FILE_OPEN, 0);
837 win->hMainWnd = hWnd;
838 break;
839
840 case WM_WINDOWPOSCHANGED:
841 WINHELP_LayoutMainWindow((WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0));
842 break;
843
844 case WM_COMMAND:
845 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
846 switch (wParam)
847 {
848 /* Menu FILE */
849 case MNID_FILE_OPEN: MACRO_FileOpen(); break;
850 case MNID_FILE_PRINT: MACRO_Print(); break;
851 case MNID_FILE_SETUP: MACRO_PrinterSetup(); break;
852 case MNID_FILE_EXIT: MACRO_Exit(); break;
853
854 /* Menu EDIT */
855 case MNID_EDIT_COPYDLG: MACRO_CopyDialog(); break;
856 case MNID_EDIT_ANNOTATE:MACRO_Annotate(); break;
857
858 /* Menu Bookmark */
859 case MNID_BKMK_DEFINE: MACRO_BookmarkDefine(); break;
860
861 /* Menu Help */
862 case MNID_HELP_HELPON: MACRO_HelpOn(); break;
863 case MNID_HELP_HELPTOP: MACRO_HelpOnTop(); break;
864 case MNID_HELP_ABOUT: MACRO_About(); break;
865 case MNID_HELP_WINE: ShellAbout(hWnd, "WINE", "Help", 0); break;
866
867 /* Context help */
868 case MNID_CTXT_ANNOTATE:MACRO_Annotate(); break;
869 case MNID_CTXT_COPY: MACRO_CopyDialog(); break;
870 case MNID_CTXT_PRINT: MACRO_Print(); break;
871 case MNID_CTXT_FONTS_SMALL:
872 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
873 if (win->font_scale != 0)
874 {
875 win->font_scale = 0;
876 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
877 }
878 break;
879 case MNID_CTXT_FONTS_NORMAL:
880 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
881 if (win->font_scale != 1)
882 {
883 win->font_scale = 1;
884 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
885 }
886 break;
887 case MNID_CTXT_FONTS_LARGE:
888 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
889 if (win->font_scale != 2)
890 {
891 win->font_scale = 2;
892 WINHELP_SetupText(GetDlgItem(hWnd, CTL_ID_TEXT), win, 0 /* FIXME */);
893 }
894 break;
895 case MNID_CTXT_HELP_DEFAULT:
896 case MNID_CTXT_HELP_VISIBLE:
897 case MNID_CTXT_HELP_NONVISIBLE:
898 case MNID_CTXT_SYSTEM_COLORS:
899 /* FIXME: NIY */
900
901 default:
902 /* Buttons */
903 for (button = win->first_button; button; button = button->next)
904 if (wParam == button->wParam) break;
905 if (button)
906 MACRO_ExecuteMacro(button->lpszMacro);
907 else if (!HIWORD(wParam))
908 MessageBox(0, MAKEINTRESOURCE(STID_NOT_IMPLEMENTED),
909 MAKEINTRESOURCE(STID_WHERROR), MB_OK);
910 break;
911 }
912 break;
913 /* EPP case WM_DESTROY: */
914 /* EPP if (Globals.hPopupWnd) DestroyWindow(Globals.hPopupWnd); */
915 /* EPP break; */
916 case WM_COPYDATA:
917 return WINHELP_HandleCommand((HWND)wParam, lParam);
918
919 case WM_KEYDOWN:
920 keyDelta = 0;
921
922 switch (wParam)
923 {
924 case VK_UP:
925 case VK_DOWN:
926 keyDelta = GetSystemMetrics(SM_CXVSCROLL);
927 if (wParam == VK_UP)
928 keyDelta = -keyDelta;
929
930 case VK_PRIOR:
931 case VK_NEXT:
932 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
933 hTextWnd = GetDlgItem(win->hMainWnd, CTL_ID_TEXT);
934 curPos = GetScrollPos(hTextWnd, SB_VERT);
935 GetScrollRange(hTextWnd, SB_VERT, &min, &max);
936
937 if (keyDelta == 0)
938 {
939 GetClientRect(hTextWnd, &rect);
940 keyDelta = (rect.bottom - rect.top) / 2;
941 if (wParam == VK_PRIOR)
942 keyDelta = -keyDelta;
943 }
944
945 curPos += keyDelta;
946 if (curPos > max)
947 curPos = max;
948 else if (curPos < min)
949 curPos = min;
950
951 dy = GetScrollPos(hTextWnd, SB_VERT) - curPos;
952 SetScrollPos(hTextWnd, SB_VERT, curPos, TRUE);
953 ScrollWindow(hTextWnd, 0, dy, NULL, NULL);
954 UpdateWindow(hTextWnd);
955 return 0;
956
957 case VK_ESCAPE:
958 MACRO_Exit();
959 return 0;
960 }
961 break;
962
963 case WM_NOTIFY:
964 if (wParam == CTL_ID_TEXT)
965 {
966 RECT rc;
967
968 switch (((NMHDR*)lParam)->code)
969 {
970 case EN_MSGFILTER:
971 {
972 const MSGFILTER* msgf = (const MSGFILTER*)lParam;
973 switch (msgf->msg)
974 {
975 case WM_KEYUP:
976 if (msgf->wParam == VK_ESCAPE) DestroyWindow(hWnd);
977 break;
978 case WM_RBUTTONDOWN:
979 {
980 HMENU hMenu;
981 POINT pt;
982
983 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
984 hMenu = LoadMenu(Globals.hInstance, (LPSTR)CONTEXT_MENU);
985 switch (win->font_scale)
986 {
987 case 0:
988 CheckMenuItem(hMenu, MNID_CTXT_FONTS_SMALL,
989 MF_BYCOMMAND|MF_CHECKED);
990 break;
991 default:
992 WINE_FIXME("Unsupported %d\n", win->font_scale);
993 case 1:
994 CheckMenuItem(hMenu, MNID_CTXT_FONTS_NORMAL,
995 MF_BYCOMMAND|MF_CHECKED);
996 break;
997 case 2:
998 CheckMenuItem(hMenu, MNID_CTXT_FONTS_LARGE,
999 MF_BYCOMMAND|MF_CHECKED);
1000 break;
1001 }
1002 pt.x = (int)(short)LOWORD(msgf->lParam);
1003 pt.y = (int)(short)HIWORD(msgf->lParam);
1004 ClientToScreen(hWnd, &pt);
1005 TrackPopupMenu(GetSubMenu(hMenu, 0), TPM_LEFTALIGN|TPM_TOPALIGN,
1006 pt.x, pt.y, 0, hWnd, NULL);
1007 DestroyMenu(hMenu);
1008 }
1009 break;
1010 default:
1011 return WINHELP_HandleTextMouse((WINHELP_WINDOW*)GetWindowLongPtr(hWnd, 0),
1012 msgf->msg, msgf->lParam);
1013 }
1014 }
1015 break;
1016
1017 case EN_REQUESTRESIZE:
1018 rc = ((REQRESIZE*)lParam)->rc;
1019 win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
1020 AdjustWindowRect(&rc, GetWindowLong(win->hMainWnd, GWL_STYLE),
1021 FALSE);
1022 SetWindowPos(win->hMainWnd, HWND_TOP, 0, 0,
1023 rc.right - rc.left, rc.bottom - rc.top,
1024 SWP_NOMOVE | SWP_NOZORDER);
1025 WINHELP_LayoutMainWindow(win);
1026 break;
1027 }
1028 }
1029 break;
1030
1031 case WM_NCDESTROY:
1032 {
1033 BOOL bExit;
1034 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1035 bExit = (Globals.wVersion >= 4 && !lstrcmpi(win->lpszName, "main"));
1036 WINHELP_DeleteWindow(win);
1037
1038 if (bExit) MACRO_Exit();
1039 if (!Globals.win_list)
1040 PostQuitMessage(0);
1041 }
1042 break;
1043 }
1044 return DefWindowProc(hWnd, msg, wParam, lParam);
1045 }
1046
1047 static DWORD CALLBACK WINHELP_RtfStreamIn(DWORD_PTR cookie, BYTE* buff,
1048 LONG cb, LONG* pcb)
1049 {
1050 struct RtfData* rd = (struct RtfData*)cookie;
1051
1052 if (rd->where >= rd->ptr) return 1;
1053 if (rd->where + cb > rd->ptr)
1054 cb = rd->ptr - rd->where;
1055 memcpy(buff, rd->where, cb);
1056 rd->where += cb;
1057 *pcb = cb;
1058 return 0;
1059 }
1060
1061 static void WINHELP_SetupText(HWND hTextWnd, WINHELP_WINDOW* win, ULONG relative)
1062 {
1063 SendMessage(hTextWnd, WM_SETREDRAW, FALSE, 0);
1064 SendMessage(hTextWnd, EM_SETBKGNDCOLOR, 0, (LPARAM)win->info->sr_color);
1065 /* set word-wrap to window size (undocumented) */
1066 SendMessage(hTextWnd, EM_SETTARGETDEVICE, 0, 0);
1067 if (win->page)
1068 {
1069 struct RtfData rd;
1070 EDITSTREAM es;
1071 unsigned cp = 0;
1072 POINTL ptl;
1073 POINT pt;
1074
1075
1076 if (HLPFILE_BrowsePage(win->page, &rd, win->font_scale, relative))
1077 {
1078 rd.where = rd.data;
1079 es.dwCookie = (DWORD_PTR)&rd;
1080 es.dwError = 0;
1081 es.pfnCallback = WINHELP_RtfStreamIn;
1082
1083 SendMessageW(hTextWnd, EM_STREAMIN, SF_RTF, (LPARAM)&es);
1084 cp = rd.char_pos_rel;
1085 }
1086 /* FIXME: else leaking potentially the rd.first_link chain */
1087 HeapFree(GetProcessHeap(), 0, rd.data);
1088 SendMessage(hTextWnd, EM_POSFROMCHAR, (WPARAM)&ptl, cp ? cp - 1 : 0);
1089 pt.x = 0; pt.y = ptl.y;
1090 SendMessage(hTextWnd, EM_SETSCROLLPOS, 0, (LPARAM)&pt);
1091 }
1092 else
1093 {
1094 SendMessage(hTextWnd, WM_SETTEXT, 0, (LPARAM)"");
1095 }
1096 SendMessage(hTextWnd, WM_SETREDRAW, TRUE, 0);
1097 InvalidateRect(hTextWnd, NULL, TRUE);
1098 }
1099
1100 /***********************************************************************
1101 *
1102 * WINHELP_ButtonBoxWndProc
1103 */
1104 static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1105 {
1106 WINDOWPOS *winpos;
1107 WINHELP_WINDOW *win;
1108 WINHELP_BUTTON *button;
1109 SIZE button_size;
1110 INT x, y;
1111
1112 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL)) return 0L;
1113
1114 switch (msg)
1115 {
1116 case WM_WINDOWPOSCHANGING:
1117 winpos = (WINDOWPOS*) lParam;
1118 win = (WINHELP_WINDOW*) GetWindowLongPtr(GetParent(hWnd), 0);
1119
1120 /* Update buttons */
1121 button_size.cx = 0;
1122 button_size.cy = 0;
1123 for (button = win->first_button; button; button = button->next)
1124 {
1125 HDC hDc;
1126 SIZE textsize;
1127 if (!button->hWnd)
1128 {
1129 button->hWnd = CreateWindow(STRING_BUTTON, button->lpszName,
1130 WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
1131 0, 0, 0, 0,
1132 hWnd, (HMENU) button->wParam,
1133 Globals.hInstance, 0);
1134 if (button->hWnd) {
1135 if (Globals.button_proc == NULL)
1136 Globals.button_proc = (WNDPROC) GetWindowLongPtr(button->hWnd, GWLP_WNDPROC);
1137 SetWindowLongPtr(button->hWnd, GWLP_WNDPROC, (LONG_PTR) WINHELP_ButtonWndProc);
1138 }
1139 }
1140 hDc = GetDC(button->hWnd);
1141 GetTextExtentPoint(hDc, button->lpszName,
1142 lstrlen(button->lpszName), &textsize);
1143 ReleaseDC(button->hWnd, hDc);
1144
1145 button_size.cx = max(button_size.cx, textsize.cx + BUTTON_CX);
1146 button_size.cy = max(button_size.cy, textsize.cy + BUTTON_CY);
1147 }
1148
1149 x = 0;
1150 y = 0;
1151 for (button = win->first_button; button; button = button->next)
1152 {
1153 SetWindowPos(button->hWnd, HWND_TOP, x, y, button_size.cx, button_size.cy, 0);
1154
1155 if (x + 2 * button_size.cx <= winpos->cx)
1156 x += button_size.cx;
1157 else
1158 x = 0, y += button_size.cy;
1159 }
1160 winpos->cy = y + (x ? button_size.cy : 0);
1161 break;
1162
1163 case WM_COMMAND:
1164 SendMessage(GetParent(hWnd), msg, wParam, lParam);
1165 break;
1166
1167 case WM_KEYDOWN:
1168 switch (wParam)
1169 {
1170 case VK_UP:
1171 case VK_DOWN:
1172 case VK_PRIOR:
1173 case VK_NEXT:
1174 case VK_ESCAPE:
1175 return SendMessage(GetParent(hWnd), msg, wParam, lParam);
1176 }
1177 break;
1178 }
1179
1180 return DefWindowProc(hWnd, msg, wParam, lParam);
1181 }
1182
1183 /***********************************************************************
1184 *
1185 * WINHELP_ButtonWndProc
1186 */
1187 static LRESULT CALLBACK WINHELP_ButtonWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1188 {
1189 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL)) return 0;
1190
1191 if (msg == WM_KEYDOWN)
1192 {
1193 switch (wParam)
1194 {
1195 case VK_UP:
1196 case VK_DOWN:
1197 case VK_PRIOR:
1198 case VK_NEXT:
1199 case VK_ESCAPE:
1200 return SendMessage(GetParent(hWnd), msg, wParam, lParam);
1201 }
1202 }
1203
1204 return CallWindowProc(Globals.button_proc, hWnd, msg, wParam, lParam);
1205 }
1206
1207 /******************************************************************
1208 * WINHELP_HistoryWndProc
1209 *
1210 *
1211 */
1212 static LRESULT CALLBACK WINHELP_HistoryWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1213 {
1214 WINHELP_WINDOW* win;
1215 PAINTSTRUCT ps;
1216 HDC hDc;
1217 TEXTMETRIC tm;
1218 unsigned int i;
1219 RECT r;
1220
1221 switch (msg)
1222 {
1223 case WM_NCCREATE:
1224 win = (WINHELP_WINDOW*)((LPCREATESTRUCT)lParam)->lpCreateParams;
1225 SetWindowLongPtr(hWnd, 0, (ULONG_PTR)win);
1226 win->hHistoryWnd = hWnd;
1227 break;
1228 case WM_CREATE:
1229 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1230 hDc = GetDC(hWnd);
1231 GetTextMetrics(hDc, &tm);
1232 GetWindowRect(hWnd, &r);
1233
1234 r.right = r.left + 30 * tm.tmAveCharWidth;
1235 r.bottom = r.top + (sizeof(Globals.history.set) / sizeof(Globals.history.set[0])) * tm.tmHeight;
1236 AdjustWindowRect(&r, GetWindowLong(hWnd, GWL_STYLE), FALSE);
1237 if (r.left < 0) {r.right -= r.left; r.left = 0;}
1238 if (r.top < 0) {r.bottom -= r.top; r.top = 0;}
1239
1240 MoveWindow(hWnd, r.left, r.top, r.right, r.bottom, TRUE);
1241 ReleaseDC(hWnd, hDc);
1242 break;
1243 case WM_LBUTTONDOWN:
1244 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1245 hDc = GetDC(hWnd);
1246 GetTextMetrics(hDc, &tm);
1247 i = HIWORD(lParam) / tm.tmHeight;
1248 if (i < Globals.history.index)
1249 WINHELP_CreateHelpWindow(&Globals.history.set[i], SW_SHOW, TRUE);
1250 ReleaseDC(hWnd, hDc);
1251 break;
1252 case WM_PAINT:
1253 hDc = BeginPaint(hWnd, &ps);
1254 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1255 GetTextMetrics(hDc, &tm);
1256
1257 for (i = 0; i < Globals.history.index; i++)
1258 {
1259 if (Globals.history.set[i].page->file == Globals.active_win->page->file)
1260 {
1261 TextOut(hDc, 0, i * tm.tmHeight,
1262 Globals.history.set[i].page->lpszTitle,
1263 strlen(Globals.history.set[i].page->lpszTitle));
1264 }
1265 else
1266 {
1267 char buffer[1024];
1268 const char* ptr1;
1269 const char* ptr2;
1270 unsigned len;
1271
1272 ptr1 = strrchr(Globals.history.set[i].page->file->lpszPath, '\\');
1273 if (!ptr1) ptr1 = Globals.history.set[i].page->file->lpszPath;
1274 else ptr1++;
1275 ptr2 = strrchr(ptr1, '.');
1276 len = ptr2 ? ptr2 - ptr1 : strlen(ptr1);
1277 if (len > sizeof(buffer)) len = sizeof(buffer);
1278 memcpy(buffer, ptr1, len);
1279 if (len < sizeof(buffer)) buffer[len++] = ':';
1280 strncpy(&buffer[len], Globals.history.set[i].page->lpszTitle, sizeof(buffer) - len);
1281 buffer[sizeof(buffer) - 1] = '\0';
1282 TextOut(hDc, 0, i * tm.tmHeight, buffer, strlen(buffer));
1283 }
1284 }
1285 EndPaint(hWnd, &ps);
1286 break;
1287 case WM_DESTROY:
1288 win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1289 if (hWnd == win->hHistoryWnd)
1290 win->hHistoryWnd = 0;
1291 break;
1292 }
1293 return DefWindowProc(hWnd, msg, wParam, lParam);
1294 }
1295
1296 /***********************************************************************
1297 *
1298 * WINHELP_ShadowWndProc
1299 */
1300 static LRESULT CALLBACK WINHELP_ShadowWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1301 {
1302 if (WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL)) return 0;
1303 return WINHELP_CheckPopup(hWnd, msg, wParam, lParam, NULL) ? 0L : DefWindowProc(hWnd, msg, wParam, lParam);
1304 }
1305
1306 /***********************************************************************
1307 *
1308 * WINHELP_CheckPopup
1309 */
1310 static BOOL WINHELP_CheckPopup(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT* lret)
1311 {
1312 HWND hPopup;
1313
1314 if (!Globals.active_popup) return FALSE;
1315
1316 switch (msg)
1317 {
1318 case WM_NOTIFY:
1319 {
1320 MSGFILTER* msgf = (MSGFILTER*)lParam;
1321 if (msgf->nmhdr.code == EN_MSGFILTER)
1322 {
1323 if (!WINHELP_CheckPopup(hWnd, msgf->msg, msgf->wParam, msgf->lParam, NULL))
1324 return FALSE;
1325 if (lret) *lret = 1;
1326 return TRUE;
1327 }
1328 }
1329 break;
1330 case WM_ACTIVATE:
1331 if (wParam != WA_INACTIVE || (HWND)lParam == Globals.active_win->hMainWnd ||
1332 (HWND)lParam == Globals.active_popup->hMainWnd ||
1333 GetWindow((HWND)lParam, GW_OWNER) == Globals.active_win->hMainWnd)
1334 break;
1335 case WM_LBUTTONUP:
1336 case WM_LBUTTONDOWN:
1337 if (WINHELP_HandleTextMouse(Globals.active_popup, msg, lParam) && msg == WM_LBUTTONDOWN)
1338 return FALSE;
1339 /* fall through */
1340 case WM_MBUTTONDOWN:
1341 case WM_RBUTTONDOWN:
1342 case WM_NCLBUTTONDOWN:
1343 case WM_NCMBUTTONDOWN:
1344 case WM_NCRBUTTONDOWN:
1345 hPopup = Globals.active_popup->hMainWnd;
1346 Globals.active_popup = NULL;
1347 DestroyWindow(hPopup);
1348 return TRUE;
1349 }
1350 return FALSE;
1351 }
1352
1353 /******************************************************************
1354 * WINHELP_DeleteButtons
1355 *
1356 */
1357 static void WINHELP_DeleteButtons(WINHELP_WINDOW* win)
1358 {
1359 WINHELP_BUTTON* b;
1360 WINHELP_BUTTON* bp;
1361
1362 for (b = win->first_button; b; b = bp)
1363 {
1364 DestroyWindow(b->hWnd);
1365 bp = b->next;
1366 HeapFree(GetProcessHeap(), 0, b);
1367 }
1368 win->first_button = NULL;
1369 }
1370
1371 /******************************************************************
1372 * WINHELP_DeleteBackSet
1373 *
1374 */
1375 void WINHELP_DeleteBackSet(WINHELP_WINDOW* win)
1376 {
1377 unsigned int i;
1378
1379 for (i = 0; i < win->back.index; i++)
1380 {
1381 HLPFILE_FreeHlpFile(win->back.set[i].page->file);
1382 win->back.set[i].page = NULL;
1383 }
1384 win->back.index = 0;
1385 }
1386
1387 /******************************************************************
1388 * WINHELP_DeletePageLinks
1389 *
1390 */
1391 static void WINHELP_DeletePageLinks(HLPFILE_PAGE* page)
1392 {
1393 HLPFILE_LINK* curr;
1394 HLPFILE_LINK* next;
1395
1396 for (curr = page->first_link; curr; curr = next)
1397 {
1398 next = curr->next;
1399 HeapFree(GetProcessHeap(), 0, curr);
1400 }
1401 }
1402
1403 /***********************************************************************
1404 *
1405 * WINHELP_DeleteWindow
1406 */
1407 static void WINHELP_DeleteWindow(WINHELP_WINDOW* win)
1408 {
1409 WINHELP_WINDOW** w;
1410
1411 for (w = &Globals.win_list; *w; w = &(*w)->next)
1412 {
1413 if (*w == win)
1414 {
1415 *w = win->next;
1416 break;
1417 }
1418 }
1419
1420 if (Globals.active_win == win)
1421 {
1422 Globals.active_win = Globals.win_list;
1423 if (Globals.win_list)
1424 SetActiveWindow(Globals.win_list->hMainWnd);
1425 }
1426
1427 if (win == Globals.active_popup)
1428 Globals.active_popup = NULL;
1429
1430 WINHELP_DeleteButtons(win);
1431
1432 if (win->page) WINHELP_DeletePageLinks(win->page);
1433 if (win->hShadowWnd) DestroyWindow(win->hShadowWnd);
1434 if (win->hHistoryWnd) DestroyWindow(win->hHistoryWnd);
1435
1436 DeleteObject(win->hBrush);
1437
1438 WINHELP_DeleteBackSet(win);
1439
1440 if (win->page) HLPFILE_FreeHlpFile(win->page->file);
1441 HeapFree(GetProcessHeap(), 0, win);
1442 }
1443
1444 /***********************************************************************
1445 *
1446 * WINHELP_InitFonts
1447 */
1448 static void WINHELP_InitFonts(HWND hWnd)
1449 {
1450 WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLongPtr(hWnd, 0);
1451 LOGFONT logfontlist[] = {
1452 {-10, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1453 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1454 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1455 {-12, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1456 {-12, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1457 {-10, 0, 0, 0, 700, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"},
1458 { -8, 0, 0, 0, 400, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 32, "Helv"}};
1459 #define FONTS_LEN (sizeof(logfontlist)/sizeof(*logfontlist))
1460
1461 static HFONT fonts[FONTS_LEN];
1462 static BOOL init = 0;
1463
1464 win->fonts_len = FONTS_LEN;
1465 win->fonts = fonts;
1466
1467 if (!init)
1468 {
1469 UINT i;
1470
1471 for (i = 0; i < FONTS_LEN; i++)
1472 {
1473 fonts[i] = CreateFontIndirect(&logfontlist[i]);
1474 }
1475
1476 init = 1;
1477 }
1478 }
1479
1480 /***********************************************************************
1481 *
1482 * WINHELP_MessageBoxIDS_s
1483 */
1484 INT WINHELP_MessageBoxIDS_s(UINT ids_text, LPCSTR str, UINT ids_title, WORD type)
1485 {
1486 CHAR text[MAX_STRING_LEN];
1487 CHAR newtext[MAX_STRING_LEN + MAX_PATH];
1488
1489 LoadString(Globals.hInstance, ids_text, text, sizeof(text));
1490 wsprintf(newtext, text, str);
1491
1492 return MessageBox(0, newtext, MAKEINTRESOURCE(ids_title), type);
1493 }
1494
1495 /**************************************************************************
1496 * cb_KWBTree
1497 *
1498 * HLPFILE_BPTreeCallback enumeration function for '|KWBTREE' internal file.
1499 *
1500 */
1501 static void cb_KWBTree(void *p, void **next, void *cookie)
1502 {
1503 HWND hListWnd = (HWND)cookie;
1504 int count;
1505
1506 WINE_TRACE("Adding '%s' to search list\n", (char *)p);
1507 SendMessage(hListWnd, LB_INSERTSTRING, -1, (LPARAM)p);
1508 count = SendMessage(hListWnd, LB_GETCOUNT, 0, 0);
1509 SendMessage(hListWnd, LB_SETITEMDATA, count-1, (LPARAM)p);
1510 *next = (char*)p + strlen((char*)p) + 7;
1511 }
1512
1513 /**************************************************************************
1514 * WINHELP_IndexDlgProc
1515 *
1516 * Index dialog callback function.
1517 *
1518 * nResult passed to EndDialog:
1519 * 1: CANCEL button
1520 * >1: valid offset value +2.
1521 * EndDialog itself can return 0 (error).
1522 */
1523 INT_PTR CALLBACK WINHELP_SearchDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
1524 {
1525 static HLPFILE *file;
1526 int sel;
1527 ULONG offset = 1;
1528
1529 switch (msg)
1530 {
1531 case WM_INITDIALOG:
1532 file = (HLPFILE *)lParam;
1533 HLPFILE_BPTreeEnum(file->kwbtree, cb_KWBTree,
1534 GetDlgItem(hWnd, IDC_INDEXLIST));
1535 return TRUE;
1536 case WM_COMMAND:
1537 switch (LOWORD(wParam))
1538 {
1539 case IDOK:
1540 sel = SendDlgItemMessage(hWnd, IDC_INDEXLIST, LB_GETCURSEL, 0, 0);
1541 if (sel != LB_ERR)
1542 {
1543 BYTE *p;
1544 int count;
1545
1546 p = (BYTE*)SendDlgItemMessage(hWnd, IDC_INDEXLIST,
1547 LB_GETITEMDATA, sel, 0);
1548 count = *(short*)((char *)p + strlen((char *)p) + 1);
1549 if (count > 1)
1550 {
1551 MessageBox(hWnd, "count > 1 not supported yet", "Error", MB_OK | MB_ICONSTOP);
1552 return TRUE;
1553 }
1554 offset = *(ULONG*)((char *)p + strlen((char *)p) + 3);
1555 offset = *(long*)(file->kwdata + offset + 9);
1556 if (offset == 0xFFFFFFFF)
1557 {
1558 MessageBox(hWnd, "macro keywords not supported yet", "Error", MB_OK | MB_ICONSTOP);
1559 return TRUE;
1560 }
1561 offset += 2;
1562 }
1563 /* Fall through */
1564 case IDCANCEL:
1565 EndDialog(hWnd, offset);
1566 return TRUE;
1567 default:
1568 break;
1569 }
1570 default:
1571 break;
1572 }
1573 return FALSE;
1574 }
1575
1576 /**************************************************************************
1577 * WINHELP_CreateIndexWindow
1578 *
1579 * Displays a dialog with keywords of current help file.
1580 *
1581 */
1582 BOOL WINHELP_CreateIndexWindow(void)
1583 {
1584 int ret;
1585 HLPFILE *hlpfile;
1586
1587 if (Globals.active_win && Globals.active_win->page && Globals.active_win->page->file)
1588 hlpfile = Globals.active_win->page->file;
1589 else
1590 return FALSE;
1591
1592 if (hlpfile->kwbtree == NULL)
1593 {
1594 WINE_TRACE("No index provided\n");
1595 return FALSE;
1596 }
1597
1598 ret = DialogBoxParam(Globals.hInstance, MAKEINTRESOURCE(IDD_INDEX),
1599 Globals.active_win->hMainWnd, WINHELP_SearchDlgProc,
1600 (LPARAM)hlpfile);
1601 if (ret > 1)
1602 {
1603 ret -= 2;
1604 WINE_TRACE("got %d as an offset\n", ret);
1605 WINHELP_OpenHelpWindow(HLPFILE_PageByOffset, hlpfile, ret,
1606 Globals.active_win->info, SW_NORMAL);
1607 }
1608 return TRUE;
1609 }
GSOC 2012 project to enhance the control panel