reactos/subsys/system/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  *
  23  */
  24
  25 #define UNICODE
  26
  27 #include <windows.h>
  28 #include <stdio.h>
  29
  30 #include "main.h"
  31 #include "dialog.h"
  32 #include "notepad_res.h"
  33
  34 NOTEPAD_GLOBALS Globals;
  35 static ATOM aFINDMSGSTRING;
  36
  37 /***********************************************************************
  38  *
  39  *           SetFileName
  40  *
  41  *  Sets Global File Name.
  42  */
  43 VOID SetFileName(LPCWSTR szFileName)
  44 {
  45     lstrcpy(Globals.szFileName, szFileName);
  46     Globals.szFileTitle[0] = 0;
  47     GetFileTitle(szFileName, Globals.szFileTitle, sizeof(Globals.szFileTitle));
  48 }
  49
  50 /***********************************************************************
  51  *
  52  *           NOTEPAD_MenuCommand
  53  *
  54  *  All handling of main menu events
  55  */
  56 static int NOTEPAD_MenuCommand(WPARAM wParam)
  57 {
  58     switch (wParam)
  59     {
  60     case CMD_NEW:               DIALOG_FileNew(); break;
  61     case CMD_OPEN:              DIALOG_FileOpen(); break;
  62     case CMD_SAVE:              DIALOG_FileSave(); break;
  63     case CMD_SAVE_AS:           DIALOG_FileSaveAs(); break;
  64     case CMD_PRINT:             DIALOG_FilePrint(); break;
  65     case CMD_PAGE_SETUP:        DIALOG_FilePageSetup(); break;
  66     case CMD_PRINTER_SETUP:     DIALOG_FilePrinterSetup();break;
  67     case CMD_EXIT:              DIALOG_FileExit(); break;
  68
  69     case CMD_UNDO:             DIALOG_EditUndo(); break;
  70     case CMD_CUT:              DIALOG_EditCut(); break;
  71     case CMD_COPY:             DIALOG_EditCopy(); break;
  72     case CMD_PASTE:            DIALOG_EditPaste(); break;
  73     case CMD_DELETE:           DIALOG_EditDelete(); break;
  74     case CMD_SELECT_ALL:       DIALOG_EditSelectAll(); break;
  75     case CMD_TIME_DATE:        DIALOG_EditTimeDate();break;
  76
  77     case CMD_SEARCH:           DIALOG_Search(); break;
  78     case CMD_SEARCH_NEXT:      DIALOG_SearchNext(); break;
  79
  80     case CMD_WRAP:             DIALOG_EditWrap(); break;
  81     case CMD_FONT:             DIALOG_SelectFont(); break;
  82
  83     case CMD_HELP_CONTENTS:    DIALOG_HelpContents(); break;
  84     case CMD_HELP_SEARCH:      DIALOG_HelpSearch(); break;
  85     case CMD_HELP_ON_HELP:     DIALOG_HelpHelp(); break;
  86     case CMD_LICENSE:          DIALOG_HelpLicense(); break;
  87     case CMD_NO_WARRANTY:      DIALOG_HelpNoWarranty(); break;
  88     case CMD_ABOUT_WINE:       DIALOG_HelpAboutWine(); break;
  89
  90     default:
  91         break;
  92     }
  93    return 0;
  94 }
  95
  96 /***********************************************************************
  97  * Data Initialization
  98  */
  99 static VOID NOTEPAD_InitData(VOID)
 100 {
 101     LPWSTR p = Globals.szFilter;
 102     static const WCHAR txt_files[] = { '*','.','t','x','t',0 };
 103     static const WCHAR all_files[] = { '*','.','*',0 };
 104
 105     LoadString(Globals.hInstance, STRING_TEXT_FILES_TXT, p, MAX_STRING_LEN);
 106     p += lstrlen(p) + 1;
 107     lstrcpy(p, txt_files);
 108     p += lstrlen(p) + 1;
 109     LoadString(Globals.hInstance, STRING_ALL_FILES, p, MAX_STRING_LEN);
 110     p += lstrlen(p) + 1;
 111     lstrcpy(p, all_files);
 112     p += lstrlen(p) + 1;
 113     *p = '\0';
 114 }
 115
 116 /***********************************************************************
 117  *
 118  *           NOTEPAD_WndProc
 119  */
 120 static LRESULT WINAPI NOTEPAD_WndProc(HWND hWnd, UINT msg, WPARAM wParam,
 121                                LPARAM lParam)
 122 {
 123     switch (msg) {
 124
 125     case WM_CREATE:
 126     {
 127         static const WCHAR editW[] = { 'e','d','i','t',0 };
 128         RECT rc;
 129         GetClientRect(hWnd, &rc);
 130         Globals.hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, editW, NULL,
 131                              WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL | WS_HSCROLL |
 132                              ES_AUTOVSCROLL | ES_MULTILINE,
 133                              0, 0, rc.right, rc.bottom, hWnd,
 134                              NULL, Globals.hInstance, NULL);
 135         break;
 136     }
 137
 138     case WM_COMMAND:
 139         NOTEPAD_MenuCommand(LOWORD(wParam));
 140         break;
 141
 142     case WM_DESTROYCLIPBOARD:
 143         /*MessageBox(Globals.hMainWnd, "Empty clipboard", "Debug", MB_ICONEXCLAMATION);*/
 144         break;
 145
 146     case WM_CLOSE:
 147         if (DoCloseFile()) {
 148             DestroyWindow(hWnd);
 149         }
 150         break;
 151
 152     case WM_QUERYENDSESSION:
 153         if (DoCloseFile()) {
 154             return 1;
 155         }
 156         break;
 157
 158     case WM_DESTROY:
 159         PostQuitMessage(0);
 160         break;
 161
 162     case WM_SIZE:
 163         SetWindowPos(Globals.hEdit, NULL, 0, 0, LOWORD(lParam), HIWORD(lParam),
 164                      SWP_NOOWNERZORDER | SWP_NOZORDER);
 165         break;
 166
 167     case WM_SETFOCUS:
 168         SetFocus(Globals.hEdit);
 169         break;
 170
 171     case WM_DROPFILES:
 172     {
 173         WCHAR szFileName[MAX_PATH];
 174         HANDLE hDrop = (HANDLE) wParam;
 175
 176         DragQueryFile(hDrop, 0, szFileName, SIZEOF(szFileName));
 177         DragFinish(hDrop);
 178         DoOpenFile(szFileName);
 179         break;
 180     }
 181
 182     default:
 183         return DefWindowProc(hWnd, msg, wParam, lParam);
 184     }
 185     return 0;
 186 }
 187
 188 static int AlertFileDoesNotExist(LPCWSTR szFileName)
 189 {
 190    int nResult;
 191    WCHAR szMessage[MAX_STRING_LEN];
 192    WCHAR szResource[MAX_STRING_LEN];
 193
 194    LoadString(Globals.hInstance, STRING_DOESNOTEXIST, szResource, SIZEOF(szResource));
 195    wsprintf(szMessage, szResource, szFileName);
 196
 197    LoadString(Globals.hInstance, STRING_ERROR, szResource, SIZEOF(szResource));
 198
 199    nResult = MessageBox(Globals.hMainWnd, szMessage, szResource,
 200                         MB_ICONEXCLAMATION | MB_YESNO);
 201
 202    return(nResult);
 203 }
 204
 205 static void HandleCommandLine(LPWSTR cmdline)
 206 {
 207     WCHAR delimiter;
 208     int opt_print=0;
 209
 210     /* skip white space */
 211     while (*cmdline == ' ') cmdline++;
 212
 213     /* skip executable name */
 214     delimiter = (*cmdline == '"' ? '"' : ' ');
 215
 216     do
 217     {
 218         cmdline++;
 219     }
 220     while (*cmdline && *cmdline != delimiter);
 221     if (*cmdline == delimiter) cmdline++;
 222
 223     while (*cmdline == ' ' || *cmdline == '-' || *cmdline == '/')
 224     {
 225         WCHAR option;
 226
 227         if (*cmdline++ == ' ') continue;
 228
 229         option = *cmdline;
 230         if (option) cmdline++;
 231         while (*cmdline == ' ') cmdline++;
 232
 233         switch(option)
 234         {
 235             case 'p':
 236             case 'P':
 237                 opt_print=1;
 238                 break;
 239         }
 240     }
 241
 242     if (*cmdline)
 243     {
 244         /* file name is passed in the command line */
 245         LPCWSTR file_name;
 246         BOOL file_exists;
 247         WCHAR buf[MAX_PATH];
 248
 249         if (cmdline[0] == '"')
 250         {
 251             cmdline++;
 252             cmdline[lstrlen(cmdline) - 1] = 0;
 253         }
 254
 255         if (FileExists(cmdline))
 256         {
 257             file_exists = TRUE;
 258             file_name = cmdline;
 259         }
 260         else
 261         {
 262             static const WCHAR txtW[] = { '.','t','x','t',0 };
 263
 264             /* try to find file with ".txt" extension */
 265             if (!lstrcmp(txtW, cmdline + lstrlen(cmdline) - lstrlen(txtW)))
 266             {
 267                 file_exists = FALSE;
 268                 file_name = cmdline;
 269             }
 270             else
 271             {
 272                 lstrcpyn(buf, cmdline, MAX_PATH - lstrlen(txtW) - 1);
 273                 lstrcat(buf, txtW);
 274                 file_name = buf;
 275                 file_exists = FileExists(buf);
 276             }
 277         }
 278
 279         if (file_exists)
 280         {
 281             DoOpenFile(file_name);
 282             InvalidateRect(Globals.hMainWnd, NULL, FALSE);
 283             if (opt_print)
 284                 DIALOG_FilePrint();
 285         }
 286         else
 287         {
 288             switch (AlertFileDoesNotExist(file_name)) {
 289             case IDYES:
 290                 DoOpenFile(file_name);
 291                 break;
 292
 293             case IDNO:
 294                 break;
 295             }
 296         }
 297      }
 298 }
 299
 300 /***********************************************************************
 301  *
 302  *           WinMain
 303  */
 304 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
 305 {
 306     MSG        msg;
 307     HACCEL      hAccel;
 308     WNDCLASSEX class;
 309     static const WCHAR className[] = {'N','P','C','l','a','s','s',0};
 310     static const WCHAR winName[]   = {'N','o','t','e','p','a','d',0};
 311
 312     aFINDMSGSTRING = RegisterWindowMessage(FINDMSGSTRING);
 313
 314     ZeroMemory(&Globals, sizeof(Globals));
 315     Globals.hInstance       = hInstance;
 316
 317     ZeroMemory(&class, sizeof(class));
 318     class.cbSize        = sizeof(class);
 319     class.lpfnWndProc   = NOTEPAD_WndProc;
 320     class.hInstance     = Globals.hInstance;
 321     class.hIcon         = LoadIcon(0, IDI_APPLICATION);
 322     class.hCursor       = LoadCursor(0, IDC_ARROW);
 323     class.hbrBackground = (HBRUSH)(COLOR_WINDOW);
 324     class.lpszMenuName  = MAKEINTRESOURCE(MAIN_MENU);
 325     class.lpszClassName = className;
 326
 327     if (!RegisterClassEx(&class)) return FALSE;
 328
 329     /* Setup windows */
 330
 331     Globals.hMainWnd =
 332         CreateWindow(className, winName, WS_OVERLAPPEDWINDOW,
 333                      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0,
 334                      NULL, NULL, Globals.hInstance, NULL);
 335     if (!Globals.hMainWnd)
 336     {
 337         ShowLastError();
 338         ExitProcess(1);
 339     }
 340
 341     NOTEPAD_InitData();
 342     DIALOG_FileNew();
 343
 344     ShowWindow(Globals.hMainWnd, show);
 345     UpdateWindow(Globals.hMainWnd);
 346     DragAcceptFiles(Globals.hMainWnd, TRUE);
 347
 348     HandleCommandLine(GetCommandLine());
 349
 350     hAccel = LoadAccelerators( hInstance, MAKEINTRESOURCE(ID_ACCEL) );
 351
 352     while (GetMessage(&msg, 0, 0, 0))
 353     {
 354         if (!TranslateAccelerator(Globals.hMainWnd, hAccel, &msg) && !IsDialogMessage(Globals.hFindReplaceDlg, &msg))
 355         {
 356             TranslateMessage(&msg);
 357             DispatchMessage(&msg);
 358         }
 359     }
 360     return msg.wParam;
 361 }