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  * Enable/disable items on the menu based on control state
 118  */
 119 static VOID NOTEPAD_InitMenuPopup(HMENU menu, int index)
 120 {
 121     int enable;
 122
 123     EnableMenuItem(menu, CMD_UNDO,
 124         SendMessage(Globals.hEdit, EM_CANUNDO, 0, 0) ? MF_ENABLED : MF_GRAYED);
 125     EnableMenuItem(menu, CMD_PASTE,
 126         IsClipboardFormatAvailable(CF_TEXT) ? MF_ENABLED : MF_GRAYED);
 127     enable = SendMessage(Globals.hEdit, EM_GETSEL, 0, 0);
 128     enable = (HIWORD(enable) == LOWORD(enable)) ? MF_GRAYED : MF_ENABLED;
 129     EnableMenuItem(menu, CMD_CUT, enable);
 130     EnableMenuItem(menu, CMD_COPY, enable);
 131     EnableMenuItem(menu, CMD_DELETE, enable);
 132
 133     EnableMenuItem(menu, CMD_SELECT_ALL,
 134         GetWindowTextLength(Globals.hEdit) ? MF_ENABLED : MF_GRAYED);
 135 }
 136
 137 /***********************************************************************
 138  *
 139  *           NOTEPAD_WndProc
 140  */
 141 static LRESULT WINAPI NOTEPAD_WndProc(HWND hWnd, UINT msg, WPARAM wParam,
 142                                LPARAM lParam)
 143 {
 144     switch (msg) {
 145
 146     case WM_CREATE:
 147     {
 148         static const WCHAR editW[] = { 'e','d','i','t',0 };
 149         RECT rc;
 150         GetClientRect(hWnd, &rc);
 151         Globals.hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, editW, NULL,
 152                              WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL | WS_HSCROLL |
 153                              ES_AUTOVSCROLL | ES_MULTILINE,
 154                              0, 0, rc.right, rc.bottom, hWnd,
 155                              NULL, Globals.hInstance, NULL);
 156         break;
 157     }
 158
 159     case WM_COMMAND:
 160         NOTEPAD_MenuCommand(LOWORD(wParam));
 161         break;
 162
 163     case WM_DESTROYCLIPBOARD:
 164         /*MessageBox(Globals.hMainWnd, "Empty clipboard", "Debug", MB_ICONEXCLAMATION);*/
 165         break;
 166
 167     case WM_CLOSE:
 168         if (DoCloseFile()) {
 169             DestroyWindow(hWnd);
 170         }
 171         break;
 172
 173     case WM_QUERYENDSESSION:
 174         if (DoCloseFile()) {
 175             return 1;
 176         }
 177         break;
 178
 179     case WM_DESTROY:
 180         PostQuitMessage(0);
 181         break;
 182
 183     case WM_SIZE:
 184         SetWindowPos(Globals.hEdit, NULL, 0, 0, LOWORD(lParam), HIWORD(lParam),
 185                      SWP_NOOWNERZORDER | SWP_NOZORDER);
 186         break;
 187
 188     case WM_SETFOCUS:
 189         SetFocus(Globals.hEdit);
 190         break;
 191
 192     case WM_DROPFILES:
 193     {
 194         WCHAR szFileName[MAX_PATH];
 195         HANDLE hDrop = (HANDLE) wParam;
 196
 197         DragQueryFile(hDrop, 0, szFileName, SIZEOF(szFileName));
 198         DragFinish(hDrop);
 199         DoOpenFile(szFileName);
 200         break;
 201     }
 202
 203     case WM_INITMENUPOPUP:
 204         NOTEPAD_InitMenuPopup((HMENU)wParam, lParam);
 205         break;
 206
 207     default:
 208         return DefWindowProc(hWnd, msg, wParam, lParam);
 209     }
 210     return 0;
 211 }
 212
 213 static int AlertFileDoesNotExist(LPCWSTR szFileName)
 214 {
 215    int nResult;
 216    WCHAR szMessage[MAX_STRING_LEN];
 217    WCHAR szResource[MAX_STRING_LEN];
 218
 219    LoadString(Globals.hInstance, STRING_DOESNOTEXIST, szResource, SIZEOF(szResource));
 220    wsprintf(szMessage, szResource, szFileName);
 221
 222    LoadString(Globals.hInstance, STRING_ERROR, szResource, SIZEOF(szResource));
 223
 224    nResult = MessageBox(Globals.hMainWnd, szMessage, szResource,
 225                         MB_ICONEXCLAMATION | MB_YESNO);
 226
 227    return(nResult);
 228 }
 229
 230 static void HandleCommandLine(LPWSTR cmdline)
 231 {
 232     WCHAR delimiter;
 233     int opt_print=0;
 234
 235     /* skip white space */
 236     while (*cmdline == ' ') cmdline++;
 237
 238     /* skip executable name */
 239     delimiter = (*cmdline == '"' ? '"' : ' ');
 240
 241     do
 242     {
 243         cmdline++;
 244     }
 245     while (*cmdline && *cmdline != delimiter);
 246     if (*cmdline == delimiter) cmdline++;
 247
 248     while (*cmdline == ' ' || *cmdline == '-' || *cmdline == '/')
 249     {
 250         WCHAR option;
 251
 252         if (*cmdline++ == ' ') continue;
 253
 254         option = *cmdline;
 255         if (option) cmdline++;
 256         while (*cmdline == ' ') cmdline++;
 257
 258         switch(option)
 259         {
 260             case 'p':
 261             case 'P':
 262                 opt_print=1;
 263                 break;
 264         }
 265     }
 266
 267     if (*cmdline)
 268     {
 269         /* file name is passed in the command line */
 270         LPCWSTR file_name;
 271         BOOL file_exists;
 272         WCHAR buf[MAX_PATH];
 273
 274         if (cmdline[0] == '"')
 275         {
 276             cmdline++;
 277             cmdline[lstrlen(cmdline) - 1] = 0;
 278         }
 279
 280         if (FileExists(cmdline))
 281         {
 282             file_exists = TRUE;
 283             file_name = cmdline;
 284         }
 285         else
 286         {
 287             static const WCHAR txtW[] = { '.','t','x','t',0 };
 288
 289             /* try to find file with ".txt" extension */
 290             if (!lstrcmp(txtW, cmdline + lstrlen(cmdline) - lstrlen(txtW)))
 291             {
 292                 file_exists = FALSE;
 293                 file_name = cmdline;
 294             }
 295             else
 296             {
 297                 lstrcpyn(buf, cmdline, MAX_PATH - lstrlen(txtW) - 1);
 298                 lstrcat(buf, txtW);
 299                 file_name = buf;
 300                 file_exists = FileExists(buf);
 301             }
 302         }
 303
 304         if (file_exists)
 305         {
 306             DoOpenFile(file_name);
 307             InvalidateRect(Globals.hMainWnd, NULL, FALSE);
 308             if (opt_print)
 309                 DIALOG_FilePrint();
 310         }
 311         else
 312         {
 313             switch (AlertFileDoesNotExist(file_name)) {
 314             case IDYES:
 315                 DoOpenFile(file_name);
 316                 break;
 317
 318             case IDNO:
 319                 break;
 320             }
 321         }
 322      }
 323 }
 324
 325 /***********************************************************************
 326  *
 327  *           WinMain
 328  */
 329 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
 330 {
 331     MSG        msg;
 332     HACCEL      hAccel;
 333     WNDCLASSEX class;
 334     static const WCHAR className[] = {'N','P','C','l','a','s','s',0};
 335     static const WCHAR winName[]   = {'N','o','t','e','p','a','d',0};
 336
 337     aFINDMSGSTRING = RegisterWindowMessage(FINDMSGSTRING);
 338
 339     ZeroMemory(&Globals, sizeof(Globals));
 340     Globals.hInstance       = hInstance;
 341
 342     ZeroMemory(&class, sizeof(class));
 343     class.cbSize        = sizeof(class);
 344     class.lpfnWndProc   = NOTEPAD_WndProc;
 345     class.hInstance     = Globals.hInstance;
 346     class.hIcon         = LoadIcon(0, IDI_APPLICATION);
 347     class.hCursor       = LoadCursor(0, IDC_ARROW);
 348     class.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 349     class.lpszMenuName  = MAKEINTRESOURCE(MAIN_MENU);
 350     class.lpszClassName = className;
 351
 352     if (!RegisterClassEx(&class)) return FALSE;
 353
 354     /* Setup windows */
 355
 356     Globals.hMainWnd =
 357         CreateWindow(className, winName, WS_OVERLAPPEDWINDOW,
 358                      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0,
 359                      NULL, NULL, Globals.hInstance, NULL);
 360     if (!Globals.hMainWnd)
 361     {
 362         ShowLastError();
 363         ExitProcess(1);
 364     }
 365
 366     NOTEPAD_InitData();
 367     DIALOG_FileNew();
 368
 369     ShowWindow(Globals.hMainWnd, show);
 370     UpdateWindow(Globals.hMainWnd);
 371     DragAcceptFiles(Globals.hMainWnd, TRUE);
 372
 373     HandleCommandLine(GetCommandLine());
 374
 375     hAccel = LoadAccelerators( hInstance, MAKEINTRESOURCE(ID_ACCEL) );
 376
 377     while (GetMessage(&msg, 0, 0, 0))
 378     {
 379         if (!TranslateAccelerator(Globals.hMainWnd, hAccel, &msg) && !IsDialogMessage(Globals.hFindReplaceDlg, &msg))
 380         {
 381             TranslateMessage(&msg);
 382             DispatchMessage(&msg);
 383         }
 384     }
 385     return msg.wParam;
 386 }