notepad: Remove the unimplemented help search menu.
[wine] / programs / 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 St, Fifth Floor, Boston, MA 02110-1301, USA
22  *
23  */
24
25 #include <windows.h>
26 #include <shlwapi.h>
27 #include <stdio.h>
28
29 #include "main.h"
30 #include "dialog.h"
31 #include "notepad_res.h"
32 #include "wine/unicode.h"
33
34 NOTEPAD_GLOBALS Globals;
35 static ATOM aFINDMSGSTRING;
36 static RECT main_rect;
37
38 static const WCHAR notepad_reg_key[] = {'S','o','f','t','w','a','r','e','\\',
39                                         'M','i','c','r','o','s','o','f','t','\\','N','o','t','e','p','a','d','\0'};
40 static const WCHAR value_fWrap[]            = {'f','W','r','a','p','\0'};
41 static const WCHAR value_iPointSize[]       = {'i','P','o','i','n','t','S','i','z','e','\0'};
42 static const WCHAR value_iWindowPosDX[]     = {'i','W','i','n','d','o','w','P','o','s','D','X','\0'};
43 static const WCHAR value_iWindowPosDY[]     = {'i','W','i','n','d','o','w','P','o','s','D','Y','\0'};
44 static const WCHAR value_iWindowPosX[]      = {'i','W','i','n','d','o','w','P','o','s','X','\0'};
45 static const WCHAR value_iWindowPosY[]      = {'i','W','i','n','d','o','w','P','o','s','Y','\0'};
46 static const WCHAR value_lfCharSet[]        = {'l','f','C','h','a','r','S','e','t','\0'};
47 static const WCHAR value_lfClipPrecision[]  = {'l','f','C','l','i','p','P','r','e','c','i','s','i','o','n','\0'};
48 static const WCHAR value_lfEscapement[]     = {'l','f','E','s','c','a','p','e','m','e','n','t','\0'};
49 static const WCHAR value_lfItalic[]         = {'l','f','I','t','a','l','i','c','\0'};
50 static const WCHAR value_lfOrientation[]    = {'l','f','O','r','i','e','n','t','a','t','i','o','n','\0'};
51 static const WCHAR value_lfOutPrecision[]   = {'l','f','O','u','t','P','r','e','c','i','s','i','o','n','\0'};
52 static const WCHAR value_lfPitchAndFamily[] = {'l','f','P','i','t','c','h','A','n','d','F','a','m','i','l','y','\0'};
53 static const WCHAR value_lfQuality[]        = {'l','f','Q','u','a','l','i','t','y','\0'};
54 static const WCHAR value_lfStrikeOut[]      = {'l','f','S','t','r','i','k','e','O','u','t','\0'};
55 static const WCHAR value_lfUnderline[]      = {'l','f','U','n','d','e','r','l','i','n','e','\0'};
56 static const WCHAR value_lfWeight[]         = {'l','f','W','e','i','g','h','t','\0'};
57 static const WCHAR value_lfFaceName[]       = {'l','f','F','a','c','e','N','a','m','e','\0'};
58 static const WCHAR value_iMarginTop[]       = {'i','M','a','r','g','i','n','T','o','p','\0'};
59 static const WCHAR value_iMarginBottom[]    = {'i','M','a','r','g','i','n','B','o','t','t','o','m','\0'};
60 static const WCHAR value_iMarginLeft[]      = {'i','M','a','r','g','i','n','L','e','f','t','\0'};
61 static const WCHAR value_iMarginRight[]     = {'i','M','a','r','g','i','n','R','i','g','h','t','\0'};
62 static const WCHAR value_szHeader[]         = {'s','z','H','e','a','d','e','r','\0'};
63 static const WCHAR value_szFooter[]         = {'s','z','T','r','a','i','l','e','r','\0'};
64
65 /***********************************************************************
66  *
67  *           SetFileNameAndEncoding
68  *
69  *  Sets global file name and encoding (which is used to preselect original
70  *  encoding in Save As dialog, and when saving without using the Save As
71  *  dialog).
72  */
73 VOID SetFileNameAndEncoding(LPCWSTR szFileName, ENCODING enc)
74 {
75     lstrcpyW(Globals.szFileName, szFileName);
76     Globals.szFileTitle[0] = 0;
77     GetFileTitleW(szFileName, Globals.szFileTitle, sizeof(Globals.szFileTitle));
78     Globals.encFile = enc;
79 }
80
81 /******************************************************************************
82  *      get_dpi
83  *
84  * Get the dpi from registry HKCC\Software\Fonts\LogPixels.
85  */
86 DWORD get_dpi(void)
87 {
88     static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
89     static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
90     DWORD dpi = 96;
91     HKEY hkey;
92
93     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
94     {
95         DWORD type, size, new_dpi;
96
97         size = sizeof(new_dpi);
98         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (LPBYTE)&new_dpi, &size) == ERROR_SUCCESS)
99         {
100             if(type == REG_DWORD && new_dpi != 0)
101                 dpi = new_dpi;
102         }
103         RegCloseKey(hkey);
104     }
105     return dpi;
106 }
107
108 /***********************************************************************
109  *
110  *           NOTEPAD_SaveSettingToRegistry
111  *
112  *  Save setting to registry HKCU\Software\Microsoft\Notepad.
113  */
114 static VOID NOTEPAD_SaveSettingToRegistry(void)
115 {
116     HKEY hkey;
117     DWORD disp;
118
119     if(RegCreateKeyExW(HKEY_CURRENT_USER, notepad_reg_key, 0, NULL,
120                 REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &disp) == ERROR_SUCCESS)
121     {
122         DWORD data;
123         WINDOWPLACEMENT wndpl;
124
125         wndpl.length = sizeof(WINDOWPLACEMENT);
126         GetWindowPlacement(Globals.hMainWnd, &wndpl);
127         main_rect = wndpl.rcNormalPosition;
128
129 #define SET_NOTEPAD_REG(hkey, value_name, value_data) do { DWORD data = value_data; RegSetValueExW(hkey, value_name, 0, REG_DWORD, (LPBYTE)&data, sizeof(DWORD)); }while(0)
130         SET_NOTEPAD_REG(hkey, value_fWrap,            Globals.bWrapLongLines);
131         SET_NOTEPAD_REG(hkey, value_iWindowPosX,      main_rect.left);
132         SET_NOTEPAD_REG(hkey, value_iWindowPosY,      main_rect.top);
133         SET_NOTEPAD_REG(hkey, value_iWindowPosDX,     main_rect.right - main_rect.left);
134         SET_NOTEPAD_REG(hkey, value_iWindowPosDY,     main_rect.bottom - main_rect.top);
135         SET_NOTEPAD_REG(hkey, value_lfCharSet,        Globals.lfFont.lfCharSet);
136         SET_NOTEPAD_REG(hkey, value_lfClipPrecision,  Globals.lfFont.lfClipPrecision);
137         SET_NOTEPAD_REG(hkey, value_lfEscapement,     Globals.lfFont.lfEscapement);
138         SET_NOTEPAD_REG(hkey, value_lfItalic,         Globals.lfFont.lfItalic);
139         SET_NOTEPAD_REG(hkey, value_lfOrientation,    Globals.lfFont.lfOrientation);
140         SET_NOTEPAD_REG(hkey, value_lfOutPrecision,   Globals.lfFont.lfOutPrecision);
141         SET_NOTEPAD_REG(hkey, value_lfPitchAndFamily, Globals.lfFont.lfPitchAndFamily);
142         SET_NOTEPAD_REG(hkey, value_lfQuality,        Globals.lfFont.lfQuality);
143         SET_NOTEPAD_REG(hkey, value_lfStrikeOut,      Globals.lfFont.lfStrikeOut);
144         SET_NOTEPAD_REG(hkey, value_lfUnderline,      Globals.lfFont.lfUnderline);
145         SET_NOTEPAD_REG(hkey, value_lfWeight,         Globals.lfFont.lfWeight);
146         SET_NOTEPAD_REG(hkey, value_iMarginTop,       Globals.iMarginTop);
147         SET_NOTEPAD_REG(hkey, value_iMarginBottom,    Globals.iMarginBottom);
148         SET_NOTEPAD_REG(hkey, value_iMarginLeft,      Globals.iMarginLeft);
149         SET_NOTEPAD_REG(hkey, value_iMarginRight,     Globals.iMarginRight);
150 #undef SET_NOTEPAD_REG
151
152         /* Store the current value as 10 * twips */
153         data = MulDiv(abs(Globals.lfFont.lfHeight), 720 , get_dpi());
154         RegSetValueExW(hkey, value_iPointSize, 0, REG_DWORD, (LPBYTE)&data, sizeof(DWORD));
155
156         RegSetValueExW(hkey, value_lfFaceName, 0, REG_SZ, (LPBYTE)&Globals.lfFont.lfFaceName,
157                       lstrlenW(Globals.lfFont.lfFaceName) * sizeof(Globals.lfFont.lfFaceName[0]));
158
159         RegSetValueExW(hkey, value_szHeader, 0, REG_SZ, (LPBYTE)&Globals.szHeader,
160                       lstrlenW(Globals.szHeader) * sizeof(Globals.szHeader[0]));
161
162         RegSetValueExW(hkey, value_szFooter, 0, REG_SZ, (LPBYTE)&Globals.szFooter,
163                       lstrlenW(Globals.szFooter) * sizeof(Globals.szFooter[0]));
164
165         RegCloseKey(hkey);
166     }
167 }
168
169 /***********************************************************************
170  *
171  *           NOTEPAD_LoadSettingFromRegistry
172  *
173  *  Load setting from registry HKCU\Software\Microsoft\Notepad.
174  */
175 static VOID NOTEPAD_LoadSettingFromRegistry(void)
176 {
177     static const WCHAR systemW[] = { 'S','y','s','t','e','m','\0' };
178     HKEY hkey;
179     INT base_length, dx, dy;
180
181     base_length = (GetSystemMetrics(SM_CXSCREEN) > GetSystemMetrics(SM_CYSCREEN))?
182         GetSystemMetrics(SM_CYSCREEN) : GetSystemMetrics(SM_CXSCREEN);
183
184     dx = base_length * .95;
185     dy = dx * 3 / 4;
186     SetRect( &main_rect, 0, 0, dx, dy );
187
188     Globals.bWrapLongLines  = TRUE;
189     Globals.iMarginTop = 2500;
190     Globals.iMarginBottom = 2500;
191     Globals.iMarginLeft = 2000;
192     Globals.iMarginRight = 2000;
193     
194     Globals.lfFont.lfHeight         = -12;
195     Globals.lfFont.lfWidth          = 0;
196     Globals.lfFont.lfEscapement     = 0;
197     Globals.lfFont.lfOrientation    = 0;
198     Globals.lfFont.lfWeight         = FW_REGULAR;
199     Globals.lfFont.lfItalic         = FALSE;
200     Globals.lfFont.lfUnderline      = FALSE;
201     Globals.lfFont.lfStrikeOut      = FALSE;
202     Globals.lfFont.lfCharSet        = DEFAULT_CHARSET;
203     Globals.lfFont.lfOutPrecision   = OUT_DEFAULT_PRECIS;
204     Globals.lfFont.lfClipPrecision  = CLIP_DEFAULT_PRECIS;
205     Globals.lfFont.lfQuality        = DEFAULT_QUALITY;
206     Globals.lfFont.lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;
207     lstrcpyW(Globals.lfFont.lfFaceName, systemW);
208
209     LoadStringW(Globals.hInstance, STRING_PAGESETUP_HEADERVALUE,
210                 Globals.szHeader, ARRAY_SIZE(Globals.szHeader));
211     LoadStringW(Globals.hInstance, STRING_PAGESETUP_FOOTERVALUE,
212                 Globals.szFooter, ARRAY_SIZE(Globals.szFooter));
213
214     if(RegOpenKeyW(HKEY_CURRENT_USER, notepad_reg_key, &hkey) == ERROR_SUCCESS)
215     {
216         WORD  data_helper[MAX_PATH];
217         DWORD type, data, size;
218
219 #define QUERY_NOTEPAD_REG(hkey, value_name, ret) do { DWORD type, data; DWORD size = sizeof(DWORD); if(RegQueryValueExW(hkey, value_name, 0, &type, (LPBYTE)&data, &size) == ERROR_SUCCESS) if(type == REG_DWORD) ret = data; } while(0)
220         QUERY_NOTEPAD_REG(hkey, value_fWrap,            Globals.bWrapLongLines);
221         QUERY_NOTEPAD_REG(hkey, value_iWindowPosX,      main_rect.left);
222         QUERY_NOTEPAD_REG(hkey, value_iWindowPosY,      main_rect.top);
223         QUERY_NOTEPAD_REG(hkey, value_iWindowPosDX,     dx);
224         QUERY_NOTEPAD_REG(hkey, value_iWindowPosDY,     dy);
225         QUERY_NOTEPAD_REG(hkey, value_lfCharSet,        Globals.lfFont.lfCharSet);
226         QUERY_NOTEPAD_REG(hkey, value_lfClipPrecision,  Globals.lfFont.lfClipPrecision);
227         QUERY_NOTEPAD_REG(hkey, value_lfEscapement,     Globals.lfFont.lfEscapement);
228         QUERY_NOTEPAD_REG(hkey, value_lfItalic,         Globals.lfFont.lfItalic);
229         QUERY_NOTEPAD_REG(hkey, value_lfOrientation,    Globals.lfFont.lfOrientation);
230         QUERY_NOTEPAD_REG(hkey, value_lfOutPrecision,   Globals.lfFont.lfOutPrecision);
231         QUERY_NOTEPAD_REG(hkey, value_lfPitchAndFamily, Globals.lfFont.lfPitchAndFamily);
232         QUERY_NOTEPAD_REG(hkey, value_lfQuality,        Globals.lfFont.lfQuality);
233         QUERY_NOTEPAD_REG(hkey, value_lfStrikeOut,      Globals.lfFont.lfStrikeOut);
234         QUERY_NOTEPAD_REG(hkey, value_lfUnderline,      Globals.lfFont.lfUnderline);
235         QUERY_NOTEPAD_REG(hkey, value_lfWeight,         Globals.lfFont.lfWeight);
236         QUERY_NOTEPAD_REG(hkey, value_iMarginTop,       Globals.iMarginTop);
237         QUERY_NOTEPAD_REG(hkey, value_iMarginBottom,    Globals.iMarginBottom);
238         QUERY_NOTEPAD_REG(hkey, value_iMarginLeft,      Globals.iMarginLeft);
239         QUERY_NOTEPAD_REG(hkey, value_iMarginRight,     Globals.iMarginRight);
240 #undef QUERY_NOTEPAD_REG
241
242         main_rect.right = main_rect.left + dx;
243         main_rect.bottom = main_rect.top + dy;
244
245         size = sizeof(DWORD);
246         if(RegQueryValueExW(hkey, value_iPointSize, 0, &type, (LPBYTE)&data, &size) == ERROR_SUCCESS)
247             if(type == REG_DWORD)
248                 /* The value is stored as 10 * twips */
249                 Globals.lfFont.lfHeight = -MulDiv(abs(data), get_dpi(), 720);
250
251         size = sizeof(Globals.lfFont.lfFaceName);
252         if(RegQueryValueExW(hkey, value_lfFaceName, 0, &type, (LPBYTE)&data_helper, &size) == ERROR_SUCCESS)
253             if(type == REG_SZ)
254                 lstrcpyW(Globals.lfFont.lfFaceName, data_helper);
255
256         size = sizeof(Globals.szHeader);
257         if(RegQueryValueExW(hkey, value_szHeader, 0, &type, (LPBYTE)&data_helper, &size) == ERROR_SUCCESS)
258             if(type == REG_SZ)
259                 lstrcpyW(Globals.szHeader, data_helper);
260
261         size = sizeof(Globals.szFooter);
262         if(RegQueryValueExW(hkey, value_szFooter, 0, &type, (LPBYTE)&data_helper, &size) == ERROR_SUCCESS)
263             if(type == REG_SZ)
264                 lstrcpyW(Globals.szFooter, data_helper);
265         RegCloseKey(hkey);
266     }
267 }
268
269 /***********************************************************************
270  *
271  *           NOTEPAD_MenuCommand
272  *
273  *  All handling of main menu events
274  */
275 static int NOTEPAD_MenuCommand(WPARAM wParam)
276 {
277     switch (wParam)
278     {
279     case CMD_NEW:               DIALOG_FileNew(); break;
280     case CMD_OPEN:              DIALOG_FileOpen(); break;
281     case CMD_SAVE:              DIALOG_FileSave(); break;
282     case CMD_SAVE_AS:           DIALOG_FileSaveAs(); break;
283     case CMD_PRINT:             DIALOG_FilePrint(); break;
284     case CMD_PAGE_SETUP:        DIALOG_FilePageSetup(); break;
285     case CMD_PRINTER_SETUP:     DIALOG_FilePrinterSetup();break;
286     case CMD_EXIT:              DIALOG_FileExit(); break;
287
288     case CMD_UNDO:             DIALOG_EditUndo(); break;
289     case CMD_CUT:              DIALOG_EditCut(); break;
290     case CMD_COPY:             DIALOG_EditCopy(); break;
291     case CMD_PASTE:            DIALOG_EditPaste(); break;
292     case CMD_DELETE:           DIALOG_EditDelete(); break;
293     case CMD_SELECT_ALL:       DIALOG_EditSelectAll(); break;
294     case CMD_TIME_DATE:        DIALOG_EditTimeDate();break;
295
296     case CMD_SEARCH:           DIALOG_Search(); break;
297     case CMD_SEARCH_NEXT:      DIALOG_SearchNext(); break;
298     case CMD_REPLACE:          DIALOG_Replace(); break;
299                                
300     case CMD_WRAP:             DIALOG_EditWrap(); break;
301     case CMD_FONT:             DIALOG_SelectFont(); break;
302
303     case CMD_HELP_CONTENTS:    DIALOG_HelpContents(); break;
304     case CMD_HELP_ON_HELP:     DIALOG_HelpHelp(); break;
305     case CMD_HELP_ABOUT_NOTEPAD: DIALOG_HelpAboutNotepad(); break;
306
307     default:
308         break;
309     }
310    return 0;
311 }
312
313 /***********************************************************************
314  * Data Initialization
315  */
316 static VOID NOTEPAD_InitData(VOID)
317 {
318     LPWSTR p = Globals.szFilter;
319     static const WCHAR txt_files[] = { '*','.','t','x','t',0 };
320     static const WCHAR all_files[] = { '*','.','*',0 };
321
322     LoadStringW(Globals.hInstance, STRING_TEXT_FILES_TXT, p, MAX_STRING_LEN);
323     p += lstrlenW(p) + 1;
324     lstrcpyW(p, txt_files);
325     p += lstrlenW(p) + 1;
326     LoadStringW(Globals.hInstance, STRING_ALL_FILES, p, MAX_STRING_LEN);
327     p += lstrlenW(p) + 1;
328     lstrcpyW(p, all_files);
329     p += lstrlenW(p) + 1;
330     *p = '\0';
331     Globals.hDevMode = NULL;
332     Globals.hDevNames = NULL;
333
334     CheckMenuItem(GetMenu(Globals.hMainWnd), CMD_WRAP,
335             MF_BYCOMMAND | (Globals.bWrapLongLines ? MF_CHECKED : MF_UNCHECKED));
336 }
337
338 /***********************************************************************
339  * Enable/disable items on the menu based on control state
340  */
341 static VOID NOTEPAD_InitMenuPopup(HMENU menu, int index)
342 {
343     int enable;
344
345     EnableMenuItem(menu, CMD_UNDO,
346         SendMessageW(Globals.hEdit, EM_CANUNDO, 0, 0) ? MF_ENABLED : MF_GRAYED);
347     EnableMenuItem(menu, CMD_PASTE,
348         IsClipboardFormatAvailable(CF_TEXT) ? MF_ENABLED : MF_GRAYED);
349     enable = SendMessageW(Globals.hEdit, EM_GETSEL, 0, 0);
350     enable = (HIWORD(enable) == LOWORD(enable)) ? MF_GRAYED : MF_ENABLED;
351     EnableMenuItem(menu, CMD_CUT, enable);
352     EnableMenuItem(menu, CMD_COPY, enable);
353     EnableMenuItem(menu, CMD_DELETE, enable);
354     
355     EnableMenuItem(menu, CMD_SELECT_ALL,
356         GetWindowTextLengthW(Globals.hEdit) ? MF_ENABLED : MF_GRAYED);
357 }
358
359 static LPWSTR NOTEPAD_StrRStr(LPWSTR pszSource, LPWSTR pszLast, LPWSTR pszSrch)
360 {
361     int len = lstrlenW(pszSrch);
362     pszLast--;
363     while (pszLast >= pszSource)
364     {
365         if (StrCmpNW(pszLast, pszSrch, len) == 0)
366             return pszLast;
367         pszLast--;
368     }
369     return NULL;
370 }
371
372 /***********************************************************************
373  * The user activated the Find dialog
374  */
375 void NOTEPAD_DoFind(FINDREPLACEW *fr)
376 {
377     LPWSTR content;
378     LPWSTR found;
379     int len = lstrlenW(fr->lpstrFindWhat);
380     int fileLen;
381     DWORD pos;
382
383     fileLen = GetWindowTextLengthW(Globals.hEdit) + 1;
384     content = HeapAlloc(GetProcessHeap(), 0, fileLen * sizeof(WCHAR));
385     if (!content) return;
386     GetWindowTextW(Globals.hEdit, content, fileLen);
387
388     SendMessageW(Globals.hEdit, EM_GETSEL, 0, (LPARAM)&pos);
389     switch (fr->Flags & (FR_DOWN|FR_MATCHCASE))
390     {
391         case 0:
392             found = StrRStrIW(content, content+pos-len, fr->lpstrFindWhat);
393             break;
394         case FR_DOWN:
395             found = StrStrIW(content+pos, fr->lpstrFindWhat);
396             break;
397         case FR_MATCHCASE:
398             found = NOTEPAD_StrRStr(content, content+pos-len, fr->lpstrFindWhat);
399             break;
400         case FR_DOWN|FR_MATCHCASE:
401             found = StrStrW(content+pos, fr->lpstrFindWhat);
402             break;
403         default:    /* shouldn't happen */
404             return;
405     }
406     HeapFree(GetProcessHeap(), 0, content);
407
408     if (found == NULL)
409     {
410         DIALOG_StringMsgBox(Globals.hFindReplaceDlg, STRING_NOTFOUND, fr->lpstrFindWhat,
411             MB_ICONINFORMATION|MB_OK);
412         return;
413     }
414
415     SendMessageW(Globals.hEdit, EM_SETSEL, found - content, found - content + len);
416 }
417
418 static void NOTEPAD_DoReplace(FINDREPLACEW *fr)
419 {
420     LPWSTR content;
421     int len = lstrlenW(fr->lpstrFindWhat);
422     int fileLen;
423     DWORD pos;
424     DWORD pos_start;
425
426     fileLen = GetWindowTextLengthW(Globals.hEdit) + 1;
427     content = HeapAlloc(GetProcessHeap(), 0, fileLen * sizeof(WCHAR));
428     if (!content) return;
429     GetWindowTextW(Globals.hEdit, content, fileLen);
430
431     SendMessageW(Globals.hEdit, EM_GETSEL, (WPARAM)&pos_start, (LPARAM)&pos);
432     switch (fr->Flags & (FR_DOWN|FR_MATCHCASE))
433     {
434         case FR_DOWN:
435             if ( pos-pos_start == len && StrCmpNIW(fr->lpstrFindWhat, content+pos_start, len) == 0)
436                 SendMessageW(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM)fr->lpstrReplaceWith);
437             break;
438         case FR_DOWN|FR_MATCHCASE:
439             if ( pos-pos_start == len && StrCmpNW(fr->lpstrFindWhat, content+pos_start, len) == 0)
440                 SendMessageW(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM)fr->lpstrReplaceWith);
441             break;
442         default:    /* shouldn't happen */
443             return;
444     }
445     HeapFree(GetProcessHeap(), 0, content);
446
447     NOTEPAD_DoFind(fr);
448 }
449
450 static void NOTEPAD_DoReplaceAll(FINDREPLACEW *fr)
451 {
452     LPWSTR content;
453     LPWSTR found;
454     int len = lstrlenW(fr->lpstrFindWhat);
455     int fileLen;
456     DWORD pos;
457
458     SendMessageW(Globals.hEdit, EM_SETSEL, 0, 0);
459     while(TRUE){
460         fileLen = GetWindowTextLengthW(Globals.hEdit) + 1;
461         content = HeapAlloc(GetProcessHeap(), 0, fileLen * sizeof(WCHAR));
462         if (!content) return;
463         GetWindowTextW(Globals.hEdit, content, fileLen);
464
465         SendMessageW(Globals.hEdit, EM_GETSEL, 0, (LPARAM)&pos);
466         switch (fr->Flags & (FR_DOWN|FR_MATCHCASE))
467         {
468             case FR_DOWN:
469                 found = StrStrIW(content+pos, fr->lpstrFindWhat);
470                 break;
471             case FR_DOWN|FR_MATCHCASE:
472                 found = StrStrW(content+pos, fr->lpstrFindWhat);
473                 break;
474             default:    /* shouldn't happen */
475                 return;
476         }
477         HeapFree(GetProcessHeap(), 0, content);
478
479         if(found == NULL)
480         {
481             SendMessageW(Globals.hEdit, EM_SETSEL, 0, 0);
482             return;
483         }
484         SendMessageW(Globals.hEdit, EM_SETSEL, found - content, found - content + len);
485         SendMessageW(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM)fr->lpstrReplaceWith);
486     }
487 }
488
489 /***********************************************************************
490  *
491  *           NOTEPAD_WndProc
492  */
493 static LRESULT WINAPI NOTEPAD_WndProc(HWND hWnd, UINT msg, WPARAM wParam,
494                                LPARAM lParam)
495 {
496     if (msg == aFINDMSGSTRING)      /* not a constant so can't be used in switch */
497     {
498         FINDREPLACEW *fr = (FINDREPLACEW *)lParam;
499
500         if (fr->Flags & FR_DIALOGTERM)
501             Globals.hFindReplaceDlg = NULL;
502         if (fr->Flags & FR_FINDNEXT)
503         {
504             Globals.lastFind = *fr;
505             NOTEPAD_DoFind(fr);
506         }
507         if (fr->Flags & FR_REPLACE)
508         {
509             Globals.lastFind = *fr;
510             NOTEPAD_DoReplace(fr);
511         }
512         if (fr->Flags & FR_REPLACEALL)
513         {
514             Globals.lastFind = *fr;
515             NOTEPAD_DoReplaceAll(fr);
516         }
517         return 0;
518     }
519     
520     switch (msg) {
521
522     case WM_CREATE:
523     {
524         static const WCHAR editW[] = { 'e','d','i','t',0 };
525         DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL |
526                         ES_AUTOVSCROLL | ES_MULTILINE | ES_NOHIDESEL;
527         RECT rc;
528         GetClientRect(hWnd, &rc);
529
530         if (!Globals.bWrapLongLines) dwStyle |= WS_HSCROLL | ES_AUTOHSCROLL;
531
532         Globals.hEdit = CreateWindowExW(WS_EX_CLIENTEDGE, editW, NULL,
533                              dwStyle, 0, 0, rc.right, rc.bottom, hWnd,
534                              NULL, Globals.hInstance, NULL);
535
536         Globals.hFont = CreateFontIndirectW(&Globals.lfFont);
537         SendMessageW(Globals.hEdit, WM_SETFONT, (WPARAM)Globals.hFont, FALSE);
538         SendMessageW(Globals.hEdit, EM_LIMITTEXT, 0, 0);
539         break;
540     }
541
542     case WM_COMMAND:
543         NOTEPAD_MenuCommand(LOWORD(wParam));
544         break;
545
546     case WM_DESTROYCLIPBOARD:
547         /*MessageBoxW(Globals.hMainWnd, "Empty clipboard", "Debug", MB_ICONEXCLAMATION);*/
548         break;
549
550     case WM_CLOSE:
551         if (DoCloseFile()) {
552             DestroyWindow(hWnd);
553         }
554         break;
555
556     case WM_QUERYENDSESSION:
557         if (DoCloseFile()) {
558             return 1;
559         }
560         break;
561
562     case WM_DESTROY:
563         NOTEPAD_SaveSettingToRegistry();
564
565         PostQuitMessage(0);
566         break;
567
568     case WM_SIZE:
569         SetWindowPos(Globals.hEdit, NULL, 0, 0, LOWORD(lParam), HIWORD(lParam),
570                      SWP_NOOWNERZORDER | SWP_NOZORDER);
571         break;
572
573     case WM_SETFOCUS:
574         SetFocus(Globals.hEdit);
575         break;
576
577     case WM_DROPFILES:
578     {
579         WCHAR szFileName[MAX_PATH];
580         HANDLE hDrop = (HANDLE) wParam;
581
582         DragQueryFileW(hDrop, 0, szFileName, ARRAY_SIZE(szFileName));
583         DragFinish(hDrop);
584         DoOpenFile(szFileName, ENCODING_AUTO);
585         break;
586     }
587     
588     case WM_INITMENUPOPUP:
589         NOTEPAD_InitMenuPopup((HMENU)wParam, lParam);
590         break;
591
592     default:
593         return DefWindowProcW(hWnd, msg, wParam, lParam);
594     }
595     return 0;
596 }
597
598 static int AlertFileDoesNotExist(LPCWSTR szFileName)
599 {
600    int nResult;
601    WCHAR szMessage[MAX_STRING_LEN];
602    WCHAR szResource[MAX_STRING_LEN];
603
604    LoadStringW(Globals.hInstance, STRING_DOESNOTEXIST, szResource, ARRAY_SIZE(szResource));
605    wsprintfW(szMessage, szResource, szFileName);
606
607    LoadStringW(Globals.hInstance, STRING_ERROR, szResource, ARRAY_SIZE(szResource));
608
609    nResult = MessageBoxW(Globals.hMainWnd, szMessage, szResource,
610                          MB_ICONEXCLAMATION | MB_YESNOCANCEL);
611
612    return(nResult);
613 }
614
615 static void HandleCommandLine(LPWSTR cmdline)
616 {
617     WCHAR delimiter;
618     int opt_print=0;
619     
620     /* skip white space */
621     while (*cmdline == ' ') cmdline++;
622
623     /* skip executable name */
624     delimiter = (*cmdline == '"' ? '"' : ' ');
625
626     if (*cmdline == delimiter) cmdline++;
627
628     while (*cmdline && *cmdline != delimiter) cmdline++;
629
630     if (*cmdline == delimiter) cmdline++;
631
632     while (*cmdline == ' ' || *cmdline == '-' || *cmdline == '/')
633     {
634         WCHAR option;
635
636         if (*cmdline++ == ' ') continue;
637
638         option = *cmdline;
639         if (option) cmdline++;
640         while (*cmdline == ' ') cmdline++;
641
642         switch(option)
643         {
644             case 'p':
645             case 'P':
646                 opt_print=1;
647                 break;
648         }
649     }
650
651     if (*cmdline)
652     {
653         /* file name is passed in the command line */
654         LPCWSTR file_name;
655         BOOL file_exists;
656         WCHAR buf[MAX_PATH];
657
658         if (cmdline[0] == '"')
659         {
660             WCHAR* wc;
661             cmdline++;
662             wc=cmdline;
663             /* Note: Double-quotes are not allowed in Windows filenames */
664             while (*wc && *wc != '"') wc++;
665             /* On Windows notepad ignores further arguments too */
666             *wc = 0;
667         }
668
669         if (FileExists(cmdline))
670         {
671             file_exists = TRUE;
672             file_name = cmdline;
673         }
674         else
675         {
676             static const WCHAR txtW[] = { '.','t','x','t',0 };
677
678             /* try to find file with ".txt" extension */
679             if (strchrW(PathFindFileNameW(cmdline), '.'))
680             {
681                 file_exists = FALSE;
682                 file_name = cmdline;
683             }
684             else
685             {
686                 lstrcpynW(buf, cmdline, MAX_PATH - lstrlenW(txtW) - 1);
687                 lstrcatW(buf, txtW);
688                 file_name = buf;
689                 file_exists = FileExists(buf);
690             }
691         }
692
693         if (file_exists)
694         {
695             DoOpenFile(file_name, ENCODING_AUTO);
696             InvalidateRect(Globals.hMainWnd, NULL, FALSE);
697             if (opt_print)
698                 DIALOG_FilePrint();
699         }
700         else
701         {
702             switch (AlertFileDoesNotExist(file_name)) {
703             case IDYES:
704                 SetFileNameAndEncoding(file_name, ENCODING_ANSI);
705                 UpdateWindowCaption();
706                 break;
707
708             case IDNO:
709                 break;
710
711             case IDCANCEL:
712                 DestroyWindow(Globals.hMainWnd);
713                 break;
714             }
715         }
716      }
717 }
718
719 /***********************************************************************
720  *
721  *           WinMain
722  */
723 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
724 {
725     MSG msg;
726     HACCEL hAccel;
727     WNDCLASSEXW class;
728     HMONITOR monitor;
729     MONITORINFO info;
730     INT x, y;
731     static const WCHAR className[] = {'N','o','t','e','p','a','d',0};
732     static const WCHAR winName[]   = {'N','o','t','e','p','a','d',0};
733
734     aFINDMSGSTRING = RegisterWindowMessageW(FINDMSGSTRINGW);
735
736     ZeroMemory(&Globals, sizeof(Globals));
737     Globals.hInstance       = hInstance;
738     NOTEPAD_LoadSettingFromRegistry();
739
740     ZeroMemory(&class, sizeof(class));
741     class.cbSize        = sizeof(class);
742     class.lpfnWndProc   = NOTEPAD_WndProc;
743     class.hInstance     = Globals.hInstance;
744     class.hIcon         = LoadIconW(Globals.hInstance, MAKEINTRESOURCEW(IDI_NOTEPAD));
745     class.hIconSm       = LoadImageW(Globals.hInstance, MAKEINTRESOURCEW(IDI_NOTEPAD), IMAGE_ICON,
746                                      GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
747                                      LR_SHARED);
748     class.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
749     class.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
750     class.lpszMenuName  = MAKEINTRESOURCEW(MAIN_MENU);
751     class.lpszClassName = className;
752
753     if (!RegisterClassExW(&class)) return FALSE;
754
755     /* Setup windows */
756
757     monitor = MonitorFromRect( &main_rect, MONITOR_DEFAULTTOPRIMARY );
758     info.cbSize = sizeof(info);
759     GetMonitorInfoW( monitor, &info );
760
761     x = main_rect.left;
762     y = main_rect.top;
763     if (main_rect.left >= info.rcWork.right ||
764         main_rect.top >= info.rcWork.bottom ||
765         main_rect.right < info.rcWork.left ||
766         main_rect.bottom < info.rcWork.top)
767         x = y = CW_USEDEFAULT;
768
769     Globals.hMainWnd =
770         CreateWindowW(className, winName, WS_OVERLAPPEDWINDOW, x, y,
771                       main_rect.right - main_rect.left, main_rect.bottom - main_rect.top,
772                       NULL, NULL, Globals.hInstance, NULL);
773     if (!Globals.hMainWnd)
774     {
775         ShowLastError();
776         ExitProcess(1);
777     }
778
779     NOTEPAD_InitData();
780     DIALOG_FileNew();
781
782     ShowWindow(Globals.hMainWnd, show);
783     UpdateWindow(Globals.hMainWnd);
784     DragAcceptFiles(Globals.hMainWnd, TRUE);
785
786     HandleCommandLine(GetCommandLineW());
787
788     hAccel = LoadAcceleratorsW(hInstance, MAKEINTRESOURCEW(ID_ACCEL));
789
790     while (GetMessageW(&msg, 0, 0, 0))
791     {
792         if (!TranslateAcceleratorW(Globals.hMainWnd, hAccel, &msg) && !IsDialogMessageW(Globals.hFindReplaceDlg, &msg))
793         {
794             TranslateMessage(&msg);
795             DispatchMessageW(&msg);
796         }
797     }
798     return msg.wParam;
799 }