d679d08c0f92e650779107b346af16a9e4e21038
[reactos.git] / reactos / base / applications / notepad / main.c
1 /*
2 * Notepad
3 *
4 * Copyright 2000 Mike McCormack <Mike_McCormack@looksmart.com.au>
5 * Copyright 1997,98 Marcel Baur <mbaur@g26.ethz.ch>
6 * Copyright 2002 Sylvain Petreolle <spetreolle@yahoo.fr>
7 * Copyright 2002 Andriy Palamarchuk
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 Street, Fifth Floor, Boston, MA 02110-1301 USA
22 *
23 */
24
25 #include "notepad.h"
26
27 #include <strsafe.h>
28
29 NOTEPAD_GLOBALS Globals;
30 static ATOM aFINDMSGSTRING;
31
32 VOID NOTEPAD_EnableSearchMenu()
33 {
34 EnableMenuItem(Globals.hMenu, CMD_SEARCH,
35 MF_BYCOMMAND | ((GetWindowTextLength(Globals.hEdit) == 0) ? MF_DISABLED | MF_GRAYED : MF_ENABLED));
36 EnableMenuItem(Globals.hMenu, CMD_SEARCH_NEXT,
37 MF_BYCOMMAND | ((GetWindowTextLength(Globals.hEdit) == 0) ? MF_DISABLED | MF_GRAYED : MF_ENABLED));
38 }
39
40 /***********************************************************************
41 *
42 * SetFileName
43 *
44 * Sets Global File Name.
45 */
46 VOID SetFileName(LPCTSTR szFileName)
47 {
48 StringCchCopy(Globals.szFileName, ARRAY_SIZE(Globals.szFileName), szFileName);
49 Globals.szFileTitle[0] = 0;
50 GetFileTitle(szFileName, Globals.szFileTitle, ARRAY_SIZE(Globals.szFileTitle));
51 }
52
53 /***********************************************************************
54 *
55 * NOTEPAD_MenuCommand
56 *
57 * All handling of main menu events
58 */
59 static int NOTEPAD_MenuCommand(WPARAM wParam)
60 {
61 switch (wParam)
62 {
63 case CMD_NEW: DIALOG_FileNew(); break;
64 case CMD_OPEN: DIALOG_FileOpen(); break;
65 case CMD_SAVE: DIALOG_FileSave(); break;
66 case CMD_SAVE_AS: DIALOG_FileSaveAs(); break;
67 case CMD_PRINT: DIALOG_FilePrint(); break;
68 case CMD_PAGE_SETUP: DIALOG_FilePageSetup(); break;
69 case CMD_EXIT: DIALOG_FileExit(); break;
70
71 case CMD_UNDO: DIALOG_EditUndo(); break;
72 case CMD_CUT: DIALOG_EditCut(); break;
73 case CMD_COPY: DIALOG_EditCopy(); break;
74 case CMD_PASTE: DIALOG_EditPaste(); break;
75 case CMD_DELETE: DIALOG_EditDelete(); break;
76 case CMD_SELECT_ALL: DIALOG_EditSelectAll(); break;
77 case CMD_TIME_DATE: DIALOG_EditTimeDate(); break;
78
79 case CMD_SEARCH: DIALOG_Search(); break;
80 case CMD_SEARCH_NEXT: DIALOG_SearchNext(); break;
81 case CMD_REPLACE: DIALOG_Replace(); break;
82 case CMD_GOTO: DIALOG_GoTo(); break;
83
84 case CMD_WRAP: DIALOG_EditWrap(); break;
85 case CMD_FONT: DIALOG_SelectFont(); break;
86
87 case CMD_STATUSBAR: DIALOG_ViewStatusBar(); break;
88
89 case CMD_HELP_CONTENTS: DIALOG_HelpContents(); break;
90
91 case CMD_ABOUT:
92 DialogBox(GetModuleHandle(NULL),
93 MAKEINTRESOURCE(IDD_ABOUTBOX),
94 Globals.hMainWnd,
95 AboutDialogProc);
96 break;
97
98 case CMD_HELP_ABOUT_NOTEPAD: DIALOG_HelpAboutNotepad(); break;
99
100 default:
101 break;
102 }
103 return 0;
104 }
105
106 /***********************************************************************
107 *
108 * NOTEPAD_FindTextAt
109 */
110
111 static BOOL
112 NOTEPAD_FindTextAt(FINDREPLACE *pFindReplace, LPCTSTR pszText, int iTextLength, DWORD dwPosition)
113 {
114 BOOL bMatches;
115 size_t iTargetLength;
116
117 if ((!pFindReplace) || (!pszText))
118 {
119 return FALSE;
120 }
121
122 iTargetLength = _tcslen(pFindReplace->lpstrFindWhat);
123
124 /* Make proper comparison */
125 if (pFindReplace->Flags & FR_MATCHCASE)
126 bMatches = !_tcsncmp(&pszText[dwPosition], pFindReplace->lpstrFindWhat, iTargetLength);
127 else
128 bMatches = !_tcsnicmp(&pszText[dwPosition], pFindReplace->lpstrFindWhat, iTargetLength);
129
130 if (bMatches && pFindReplace->Flags & FR_WHOLEWORD)
131 {
132 if ((dwPosition > 0) && !_istspace(pszText[dwPosition-1]))
133 bMatches = FALSE;
134 if ((dwPosition < (DWORD) iTextLength - 1) && !_istspace(pszText[dwPosition+1]))
135 bMatches = FALSE;
136 }
137
138 return bMatches;
139 }
140
141 /***********************************************************************
142 *
143 * NOTEPAD_FindNext
144 */
145
146 BOOL NOTEPAD_FindNext(FINDREPLACE *pFindReplace, BOOL bReplace, BOOL bShowAlert)
147 {
148 int iTextLength, iTargetLength;
149 size_t iAdjustment = 0;
150 LPTSTR pszText = NULL;
151 DWORD dwPosition, dwBegin, dwEnd;
152 BOOL bMatches = FALSE;
153 TCHAR szResource[128], szText[128];
154 BOOL bSuccess;
155
156 iTargetLength = (int) _tcslen(pFindReplace->lpstrFindWhat);
157
158 /* Retrieve the window text */
159 iTextLength = GetWindowTextLength(Globals.hEdit);
160 if (iTextLength > 0)
161 {
162 pszText = (LPTSTR) HeapAlloc(GetProcessHeap(), 0, (iTextLength + 1) * sizeof(TCHAR));
163 if (!pszText)
164 return FALSE;
165
166 GetWindowText(Globals.hEdit, pszText, iTextLength + 1);
167 }
168
169 SendMessage(Globals.hEdit, EM_GETSEL, (WPARAM) &dwBegin, (LPARAM) &dwEnd);
170 if (bReplace && ((dwEnd - dwBegin) == (DWORD) iTargetLength))
171 {
172 if (NOTEPAD_FindTextAt(pFindReplace, pszText, iTextLength, dwBegin))
173 {
174 SendMessage(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM) pFindReplace->lpstrReplaceWith);
175 iAdjustment = _tcslen(pFindReplace->lpstrReplaceWith) - (dwEnd - dwBegin);
176 }
177 }
178
179 if (pFindReplace->Flags & FR_DOWN)
180 {
181 /* Find Down */
182 dwPosition = dwEnd;
183 while(dwPosition < (DWORD) iTextLength)
184 {
185 bMatches = NOTEPAD_FindTextAt(pFindReplace, pszText, iTextLength, dwPosition);
186 if (bMatches)
187 break;
188 dwPosition++;
189 }
190 }
191 else
192 {
193 /* Find Up */
194 dwPosition = dwBegin;
195 while(dwPosition > 0)
196 {
197 dwPosition--;
198 bMatches = NOTEPAD_FindTextAt(pFindReplace, pszText, iTextLength, dwPosition);
199 if (bMatches)
200 break;
201 }
202 }
203
204 if (bMatches)
205 {
206 /* Found target */
207 if (dwPosition > dwBegin)
208 dwPosition += (DWORD) iAdjustment;
209 SendMessage(Globals.hEdit, EM_SETSEL, dwPosition, dwPosition + iTargetLength);
210 SendMessage(Globals.hEdit, EM_SCROLLCARET, 0, 0);
211 bSuccess = TRUE;
212 }
213 else
214 {
215 /* Can't find target */
216 if (bShowAlert)
217 {
218 LoadString(Globals.hInstance, STRING_CANNOTFIND, szResource, ARRAY_SIZE(szResource));
219 _sntprintf(szText, ARRAY_SIZE(szText), szResource, pFindReplace->lpstrFindWhat);
220 LoadString(Globals.hInstance, STRING_NOTEPAD, szResource, ARRAY_SIZE(szResource));
221 MessageBox(Globals.hFindReplaceDlg, szText, szResource, MB_OK);
222 }
223 bSuccess = FALSE;
224 }
225
226 if (pszText)
227 HeapFree(GetProcessHeap(), 0, pszText);
228 return bSuccess;
229 }
230
231 /***********************************************************************
232 *
233 * NOTEPAD_ReplaceAll
234 */
235
236 static VOID NOTEPAD_ReplaceAll(FINDREPLACE *pFindReplace)
237 {
238 BOOL bShowAlert = TRUE;
239
240 SendMessage(Globals.hEdit, EM_SETSEL, 0, 0);
241
242 while (NOTEPAD_FindNext(pFindReplace, TRUE, bShowAlert))
243 {
244 bShowAlert = FALSE;
245 }
246 }
247
248 /***********************************************************************
249 *
250 * NOTEPAD_FindTerm
251 */
252
253 static VOID NOTEPAD_FindTerm(VOID)
254 {
255 Globals.hFindReplaceDlg = NULL;
256 }
257
258 /***********************************************************************
259 * Data Initialization
260 */
261 static VOID NOTEPAD_InitData(VOID)
262 {
263 LPTSTR p = Globals.szFilter;
264 static const TCHAR txt_files[] = _T("*.txt");
265 static const TCHAR all_files[] = _T("*.*");
266
267 p += LoadString(Globals.hInstance, STRING_TEXT_FILES_TXT, p, MAX_STRING_LEN) + 1;
268 _tcscpy(p, txt_files);
269 p += ARRAY_SIZE(txt_files);
270
271 p += LoadString(Globals.hInstance, STRING_ALL_FILES, p, MAX_STRING_LEN) + 1;
272 _tcscpy(p, all_files);
273 p += ARRAY_SIZE(all_files);
274 *p = '\0';
275 Globals.find.lpstrFindWhat = NULL;
276
277 Globals.hDevMode = NULL;
278 Globals.hDevNames = NULL;
279 }
280
281 /***********************************************************************
282 * Enable/disable items on the menu based on control state
283 */
284 static VOID NOTEPAD_InitMenuPopup(HMENU menu, LPARAM index)
285 {
286 int enable;
287
288 UNREFERENCED_PARAMETER(index);
289
290 CheckMenuItem(GetMenu(Globals.hMainWnd), CMD_WRAP,
291 MF_BYCOMMAND | (Globals.bWrapLongLines ? MF_CHECKED : MF_UNCHECKED));
292 if (!Globals.bWrapLongLines)
293 {
294 CheckMenuItem(GetMenu(Globals.hMainWnd), CMD_STATUSBAR,
295 MF_BYCOMMAND | (Globals.bShowStatusBar ? MF_CHECKED : MF_UNCHECKED));
296 }
297 EnableMenuItem(menu, CMD_UNDO,
298 SendMessage(Globals.hEdit, EM_CANUNDO, 0, 0) ? MF_ENABLED : MF_GRAYED);
299 EnableMenuItem(menu, CMD_PASTE,
300 IsClipboardFormatAvailable(CF_TEXT) ? MF_ENABLED : MF_GRAYED);
301 enable = (int) SendMessage(Globals.hEdit, EM_GETSEL, 0, 0);
302 enable = (HIWORD(enable) == LOWORD(enable)) ? MF_GRAYED : MF_ENABLED;
303 EnableMenuItem(menu, CMD_CUT, enable);
304 EnableMenuItem(menu, CMD_COPY, enable);
305 EnableMenuItem(menu, CMD_DELETE, enable);
306
307 EnableMenuItem(menu, CMD_SELECT_ALL,
308 GetWindowTextLength(Globals.hEdit) ? MF_ENABLED : MF_GRAYED);
309 DrawMenuBar(Globals.hMainWnd);
310 }
311
312 LRESULT CALLBACK EDIT_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
313 {
314 switch (msg)
315 {
316 case WM_KEYDOWN:
317 case WM_KEYUP:
318 {
319 switch (wParam)
320 {
321 case VK_UP:
322 case VK_DOWN:
323 case VK_LEFT:
324 case VK_RIGHT:
325 DIALOG_StatusBarUpdateCaretPos();
326 break;
327 }
328 }
329 case WM_LBUTTONUP:
330 {
331 DIALOG_StatusBarUpdateCaretPos();
332 break;
333 }
334 }
335 return CallWindowProc( Globals.EditProc, hWnd, msg, wParam, lParam);
336 }
337
338 /***********************************************************************
339 *
340 * NOTEPAD_WndProc
341 */
342 static LRESULT
343 WINAPI
344 NOTEPAD_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
345 {
346 switch (msg)
347 {
348
349 case WM_CREATE:
350 Globals.hMenu = GetMenu(hWnd);
351 break;
352
353 case WM_COMMAND:
354 if (HIWORD(wParam) == EN_CHANGE || HIWORD(wParam) == EN_HSCROLL || HIWORD(wParam) == EN_VSCROLL)
355 DIALOG_StatusBarUpdateCaretPos();
356 if ((HIWORD(wParam) == EN_CHANGE))
357 NOTEPAD_EnableSearchMenu();
358 NOTEPAD_MenuCommand(LOWORD(wParam));
359 break;
360
361 case WM_DESTROYCLIPBOARD:
362 /*MessageBox(Globals.hMainWnd, "Empty clipboard", "Debug", MB_ICONEXCLAMATION);*/
363 break;
364
365 case WM_CLOSE:
366 if (DoCloseFile()) {
367 if (Globals.hFont)
368 DeleteObject(Globals.hFont);
369 if (Globals.hDevMode)
370 GlobalFree(Globals.hDevMode);
371 if (Globals.hDevNames)
372 GlobalFree(Globals.hDevNames);
373 DestroyWindow(hWnd);
374 }
375 break;
376
377 case WM_QUERYENDSESSION:
378 if (DoCloseFile()) {
379 return 1;
380 }
381 break;
382
383 case WM_DESTROY:
384 SetWindowLongPtr(Globals.hEdit, GWLP_WNDPROC, (LONG_PTR)Globals.EditProc);
385 NOTEPAD_SaveSettingsToRegistry();
386 PostQuitMessage(0);
387 break;
388
389 case WM_SIZE:
390 {
391 if (Globals.bShowStatusBar == TRUE && Globals.bWrapLongLines == FALSE)
392 {
393 RECT rcStatusBar;
394 HDWP hdwp;
395
396 if (!GetWindowRect(Globals.hStatusBar, &rcStatusBar))
397 break;
398
399 hdwp = BeginDeferWindowPos(2);
400 if (hdwp == NULL)
401 break;
402
403 hdwp = DeferWindowPos(hdwp,
404 Globals.hEdit,
405 NULL,
406 0,
407 0,
408 LOWORD(lParam),
409 HIWORD(lParam) - (rcStatusBar.bottom - rcStatusBar.top),
410 SWP_NOZORDER | SWP_NOMOVE);
411
412 if (hdwp == NULL)
413 break;
414
415 hdwp = DeferWindowPos(hdwp,
416 Globals.hStatusBar,
417 NULL,
418 0,
419 0,
420 LOWORD(lParam),
421 LOWORD(wParam),
422 SWP_NOZORDER);
423
424 if (hdwp != NULL)
425 EndDeferWindowPos(hdwp);
426 }
427 else
428 SetWindowPos(Globals.hEdit,
429 NULL,
430 0,
431 0,
432 LOWORD(lParam),
433 HIWORD(lParam),
434 SWP_NOZORDER | SWP_NOMOVE);
435
436 break;
437 }
438
439 /* The entire client area is covered by edit control and by
440 * the status bar. So there is no need to erase main background.
441 * This resolves the horrible flicker effect during windows resizes. */
442 case WM_ERASEBKGND:
443 return 1;
444
445 case WM_SETFOCUS:
446 SetFocus(Globals.hEdit);
447 break;
448
449 case WM_DROPFILES:
450 {
451 TCHAR szFileName[MAX_PATH];
452 HDROP hDrop = (HDROP) wParam;
453
454 DragQueryFile(hDrop, 0, szFileName, ARRAY_SIZE(szFileName));
455 DragFinish(hDrop);
456 DoOpenFile(szFileName);
457 break;
458 }
459 case WM_CHAR:
460 case WM_INITMENUPOPUP:
461 NOTEPAD_InitMenuPopup((HMENU)wParam, lParam);
462 break;
463 default:
464 if (msg == aFINDMSGSTRING)
465 {
466 FINDREPLACE *pFindReplace = (FINDREPLACE *) lParam;
467 Globals.find = *(FINDREPLACE *) lParam;
468
469 if (pFindReplace->Flags & FR_FINDNEXT)
470 NOTEPAD_FindNext(pFindReplace, FALSE, TRUE);
471 else if (pFindReplace->Flags & FR_REPLACE)
472 NOTEPAD_FindNext(pFindReplace, TRUE, TRUE);
473 else if (pFindReplace->Flags & FR_REPLACEALL)
474 NOTEPAD_ReplaceAll(pFindReplace);
475 else if (pFindReplace->Flags & FR_DIALOGTERM)
476 NOTEPAD_FindTerm();
477 break;
478 }
479
480 return DefWindowProc(hWnd, msg, wParam, lParam);
481 }
482 return 0;
483 }
484
485 static int AlertFileDoesNotExist(LPCTSTR szFileName)
486 {
487 return DIALOG_StringMsgBox(Globals.hMainWnd, STRING_DOESNOTEXIST,
488 szFileName,
489 MB_ICONEXCLAMATION | MB_YESNO);
490 }
491
492 static BOOL HandleCommandLine(LPTSTR cmdline)
493 {
494 BOOL opt_print = FALSE;
495
496 while (*cmdline == _T(' ') || *cmdline == _T('-') || *cmdline == _T('/'))
497 {
498 TCHAR option;
499
500 if (*cmdline++ == _T(' ')) continue;
501
502 option = *cmdline;
503 if (option) cmdline++;
504 while (*cmdline == _T(' ')) cmdline++;
505
506 switch(option)
507 {
508 case 'p':
509 case 'P':
510 opt_print = TRUE;
511 break;
512 }
513 }
514
515 if (*cmdline)
516 {
517 /* file name is passed in the command line */
518 LPCTSTR file_name = NULL;
519 BOOL file_exists = FALSE;
520 TCHAR buf[MAX_PATH];
521
522 if (cmdline[0] == _T('"'))
523 {
524 cmdline++;
525 cmdline[lstrlen(cmdline) - 1] = 0;
526 }
527
528 file_name = cmdline;
529 if (FileExists(file_name))
530 {
531 file_exists = TRUE;
532 }
533 else if (!HasFileExtension(cmdline))
534 {
535 static const TCHAR txt[] = _T(".txt");
536
537 /* try to find file with ".txt" extension */
538 if (!_tcscmp(txt, cmdline + _tcslen(cmdline) - _tcslen(txt)))
539 {
540 file_exists = FALSE;
541 }
542 else
543 {
544 _tcsncpy(buf, cmdline, MAX_PATH - _tcslen(txt) - 1);
545 _tcscat(buf, txt);
546 file_name = buf;
547 file_exists = FileExists(file_name);
548 }
549 }
550
551 if (file_exists)
552 {
553 DoOpenFile(file_name);
554 InvalidateRect(Globals.hMainWnd, NULL, FALSE);
555 if (opt_print)
556 {
557 DIALOG_FilePrint();
558 return FALSE;
559 }
560 }
561 else
562 {
563 switch (AlertFileDoesNotExist(file_name)) {
564 case IDYES:
565 DoOpenFile(file_name);
566 break;
567
568 case IDNO:
569 break;
570 }
571 }
572 }
573
574 return TRUE;
575 }
576
577 /***********************************************************************
578 *
579 * WinMain
580 */
581 int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE prev, LPTSTR cmdline, int show)
582 {
583 MSG msg;
584 HACCEL hAccel;
585 WNDCLASSEX wndclass;
586 HMONITOR monitor;
587 MONITORINFO info;
588 INT x, y;
589
590 static const TCHAR className[] = _T("NPClass");
591 static const TCHAR winName[] = _T("Notepad");
592
593 switch (GetUserDefaultUILanguage())
594 {
595 case MAKELANGID(LANG_HEBREW, SUBLANG_DEFAULT):
596 SetProcessDefaultLayout(LAYOUT_RTL);
597 break;
598
599 default:
600 break;
601 }
602
603 UNREFERENCED_PARAMETER(prev);
604
605 aFINDMSGSTRING = (ATOM)RegisterWindowMessage(FINDMSGSTRING);
606
607 ZeroMemory(&Globals, sizeof(Globals));
608 Globals.hInstance = hInstance;
609 NOTEPAD_LoadSettingsFromRegistry();
610
611 ZeroMemory(&wndclass, sizeof(wndclass));
612 wndclass.cbSize = sizeof(wndclass);
613 wndclass.lpfnWndProc = NOTEPAD_WndProc;
614 wndclass.hInstance = Globals.hInstance;
615 wndclass.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_NPICON));
616 wndclass.hCursor = LoadCursor(0, IDC_ARROW);
617 wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
618 wndclass.lpszMenuName = MAKEINTRESOURCE(MAIN_MENU);
619 wndclass.lpszClassName = className;
620 wndclass.hIconSm = (HICON)LoadImage(hInstance,
621 MAKEINTRESOURCE(IDI_NPICON),
622 IMAGE_ICON,
623 16,
624 16,
625 0);
626
627 if (!RegisterClassEx(&wndclass)) return FALSE;
628
629 /* Setup windows */
630
631 monitor = MonitorFromRect(&Globals.main_rect, MONITOR_DEFAULTTOPRIMARY);
632 info.cbSize = sizeof(info);
633 GetMonitorInfoW(monitor, &info);
634
635 x = Globals.main_rect.left;
636 y = Globals.main_rect.top;
637 if (Globals.main_rect.left >= info.rcWork.right ||
638 Globals.main_rect.top >= info.rcWork.bottom ||
639 Globals.main_rect.right < info.rcWork.left ||
640 Globals.main_rect.bottom < info.rcWork.top)
641 x = y = CW_USEDEFAULT;
642
643 Globals.hMainWnd = CreateWindow(className,
644 winName,
645 WS_OVERLAPPEDWINDOW,
646 x,
647 y,
648 Globals.main_rect.right - Globals.main_rect.left,
649 Globals.main_rect.bottom - Globals.main_rect.top,
650 NULL,
651 NULL,
652 Globals.hInstance,
653 NULL);
654 if (!Globals.hMainWnd)
655 {
656 ShowLastError();
657 ExitProcess(1);
658 }
659
660 DoCreateEditWindow();
661
662 NOTEPAD_InitData();
663 DIALOG_FileNew();
664
665 ShowWindow(Globals.hMainWnd, show);
666 UpdateWindow(Globals.hMainWnd);
667 DragAcceptFiles(Globals.hMainWnd, TRUE);
668
669 DIALOG_ViewStatusBar();
670
671 if (!HandleCommandLine(cmdline))
672 {
673 return 0;
674 }
675
676 hAccel = LoadAccelerators(hInstance, MAKEINTRESOURCE(ID_ACCEL));
677
678 while (GetMessage(&msg, 0, 0, 0))
679 {
680 if (!IsDialogMessage(Globals.hFindReplaceDlg, &msg) &&
681 !TranslateAccelerator(Globals.hMainWnd, hAccel, &msg))
682 {
683 TranslateMessage(&msg);
684 DispatchMessage(&msg);
685 }
686 }
687 return (int) msg.wParam;
688 }