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 #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_InitFont
  53  *
  54  *  Initialize font for the edit window
  55  */
  56 static VOID NOTEPAD_InitFont(void)
  57 {
  58     LOGFONT *lf = &Globals.lfFont;
  59     static const WCHAR systemW[] = { 'S','y','s','t','e','m',0 };
  60
  61     lf->lfHeight        = -40;
  62     lf->lfWidth         = 0;
  63     lf->lfEscapement    = 0;
  64     lf->lfOrientation   = 0;
  65     lf->lfWeight        = FW_REGULAR;
  66     lf->lfItalic        = FALSE;
  67     lf->lfUnderline     = FALSE;
  68     lf->lfStrikeOut     = FALSE;
  69     lf->lfCharSet       = DEFAULT_CHARSET;
  70     lf->lfOutPrecision  = OUT_DEFAULT_PRECIS;
  71     lf->lfClipPrecision = CLIP_DEFAULT_PRECIS;
  72     lf->lfQuality       = DEFAULT_QUALITY;
  73     lf->lfPitchAndFamily = FIXED_PITCH | FF_DONTCARE;
  74     lstrcpy(lf->lfFaceName, systemW);
  75
  76     Globals.hFont = CreateFontIndirect(lf);
  77     SendMessage(Globals.hEdit, WM_SETFONT, (WPARAM)Globals.hFont, (LPARAM)FALSE);
  78 }
  79
  80 /***********************************************************************
  81  *
  82  *           NOTEPAD_MenuCommand
  83  *
  84  *  All handling of main menu events
  85  */
  86 static int NOTEPAD_MenuCommand(WPARAM wParam)
  87 {
  88     switch (wParam)
  89     {
  90     case CMD_NEW:               DIALOG_FileNew(); break;
  91     case CMD_OPEN:              DIALOG_FileOpen(); break;
  92     case CMD_SAVE:              DIALOG_FileSave(); break;
  93     case CMD_SAVE_AS:           DIALOG_FileSaveAs(); break;
  94     case CMD_PRINT:             DIALOG_FilePrint(); break;
  95     case CMD_PAGE_SETUP:        DIALOG_FilePageSetup(); break;
  96     case CMD_PRINTER_SETUP:     DIALOG_FilePrinterSetup();break;
  97     case CMD_EXIT:              DIALOG_FileExit(); break;
  98
  99     case CMD_UNDO:             DIALOG_EditUndo(); break;
 100     case CMD_CUT:              DIALOG_EditCut(); break;
 101     case CMD_COPY:             DIALOG_EditCopy(); break;
 102     case CMD_PASTE:            DIALOG_EditPaste(); break;
 103     case CMD_DELETE:           DIALOG_EditDelete(); break;
 104     case CMD_SELECT_ALL:       DIALOG_EditSelectAll(); break;
 105     case CMD_TIME_DATE:        DIALOG_EditTimeDate();break;
 106
 107     case CMD_SEARCH:           DIALOG_Search(); break;
 108     case CMD_SEARCH_NEXT:      DIALOG_SearchNext(); break;
 109
 110     case CMD_WRAP:             DIALOG_EditWrap(); break;
 111     case CMD_FONT:             DIALOG_SelectFont(); break;
 112
 113     case CMD_HELP_CONTENTS:    DIALOG_HelpContents(); break;
 114     case CMD_HELP_SEARCH:      DIALOG_HelpSearch(); break;
 115     case CMD_HELP_ON_HELP:     DIALOG_HelpHelp(); break;
 116     case CMD_LICENSE:          DIALOG_HelpLicense(); break;
 117     case CMD_NO_WARRANTY:      DIALOG_HelpNoWarranty(); break;
 118     case CMD_ABOUT_WINE:       DIALOG_HelpAboutWine(); break;
 119
 120     default:
 121         break;
 122     }
 123    return 0;
 124 }
 125
 126 /***********************************************************************
 127  * Data Initialization
 128  */
 129 static VOID NOTEPAD_InitData(VOID)
 130 {
 131     LPWSTR p = Globals.szFilter;
 132     static const WCHAR txt_files[] = { '*','.','t','x','t',0 };
 133     static const WCHAR all_files[] = { '*','.','*',0 };
 134
 135     LoadString(Globals.hInstance, STRING_TEXT_FILES_TXT, p, MAX_STRING_LEN);
 136     p += lstrlen(p) + 1;
 137     lstrcpy(p, txt_files);
 138     p += lstrlen(p) + 1;
 139     LoadString(Globals.hInstance, STRING_ALL_FILES, p, MAX_STRING_LEN);
 140     p += lstrlen(p) + 1;
 141     lstrcpy(p, all_files);
 142     p += lstrlen(p) + 1;
 143     *p = '\0';
 144     Globals.hDevMode = NULL;
 145     Globals.hDevNames = NULL;
 146
 147     CheckMenuItem(GetMenu(Globals.hMainWnd), CMD_WRAP,
 148             MF_BYCOMMAND | (Globals.bWrapLongLines ? MF_CHECKED : MF_UNCHECKED));
 149 }
 150
 151 /***********************************************************************
 152  * Enable/disable items on the menu based on control state
 153  */
 154 static VOID NOTEPAD_InitMenuPopup(HMENU menu, int index)
 155 {
 156     int enable;
 157
 158     EnableMenuItem(menu, CMD_UNDO,
 159         SendMessage(Globals.hEdit, EM_CANUNDO, 0, 0) ? MF_ENABLED : MF_GRAYED);
 160     EnableMenuItem(menu, CMD_PASTE,
 161         IsClipboardFormatAvailable(CF_TEXT) ? MF_ENABLED : MF_GRAYED);
 162     enable = SendMessage(Globals.hEdit, EM_GETSEL, 0, 0);
 163     enable = (HIWORD(enable) == LOWORD(enable)) ? MF_GRAYED : MF_ENABLED;
 164     EnableMenuItem(menu, CMD_CUT, enable);
 165     EnableMenuItem(menu, CMD_COPY, enable);
 166     EnableMenuItem(menu, CMD_DELETE, enable);
 167
 168     EnableMenuItem(menu, CMD_SELECT_ALL,
 169         GetWindowTextLength(Globals.hEdit) ? MF_ENABLED : MF_GRAYED);
 170 }
 171
 172 /***********************************************************************
 173  *
 174  *           NOTEPAD_WndProc
 175  */
 176 static LRESULT WINAPI NOTEPAD_WndProc(HWND hWnd, UINT msg, WPARAM wParam,
 177                                LPARAM lParam)
 178 {
 179     switch (msg) {
 180
 181     case WM_CREATE:
 182     {
 183         static const WCHAR editW[] = { 'e','d','i','t',0 };
 184         DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL |
 185                         ES_AUTOVSCROLL | ES_MULTILINE;
 186         RECT rc;
 187         GetClientRect(hWnd, &rc);
 188
 189         if (!Globals.bWrapLongLines) dwStyle |= WS_HSCROLL | ES_AUTOHSCROLL;
 190
 191         Globals.hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, editW, NULL,
 192                              dwStyle,
 193                              0, 0, rc.right, rc.bottom, hWnd,
 194                              NULL, Globals.hInstance, NULL);
 195         NOTEPAD_InitFont();
 196         break;
 197     }
 198
 199     case WM_COMMAND:
 200         NOTEPAD_MenuCommand(LOWORD(wParam));
 201         break;
 202
 203     case WM_DESTROYCLIPBOARD:
 204         /*MessageBox(Globals.hMainWnd, "Empty clipboard", "Debug", MB_ICONEXCLAMATION);*/
 205         break;
 206
 207     case WM_CLOSE:
 208         if (DoCloseFile()) {
 209             DestroyWindow(hWnd);
 210         }
 211         break;
 212
 213     case WM_QUERYENDSESSION:
 214         if (DoCloseFile()) {
 215             return 1;
 216         }
 217         break;
 218
 219     case WM_DESTROY:
 220         PostQuitMessage(0);
 221         break;
 222
 223     case WM_SIZE:
 224         SetWindowPos(Globals.hEdit, NULL, 0, 0, LOWORD(lParam), HIWORD(lParam),
 225                      SWP_NOOWNERZORDER | SWP_NOZORDER);
 226         break;
 227
 228     case WM_SETFOCUS:
 229         SetFocus(Globals.hEdit);
 230         break;
 231
 232     case WM_DROPFILES:
 233     {
 234         WCHAR szFileName[MAX_PATH];
 235         HANDLE hDrop = (HANDLE) wParam;
 236
 237         DragQueryFile(hDrop, 0, szFileName, SIZEOF(szFileName));
 238         DragFinish(hDrop);
 239         DoOpenFile(szFileName);
 240         break;
 241     }
 242
 243     case WM_INITMENUPOPUP:
 244         NOTEPAD_InitMenuPopup((HMENU)wParam, lParam);
 245         break;
 246
 247     default:
 248         return DefWindowProc(hWnd, msg, wParam, lParam);
 249     }
 250     return 0;
 251 }
 252
 253 static int AlertFileDoesNotExist(LPCWSTR szFileName)
 254 {
 255    int nResult;
 256    WCHAR szMessage[MAX_STRING_LEN];
 257    WCHAR szResource[MAX_STRING_LEN];
 258
 259    LoadString(Globals.hInstance, STRING_DOESNOTEXIST, szResource, SIZEOF(szResource));
 260    wsprintf(szMessage, szResource, szFileName);
 261
 262    LoadString(Globals.hInstance, STRING_ERROR, szResource, SIZEOF(szResource));
 263
 264    nResult = MessageBox(Globals.hMainWnd, szMessage, szResource,
 265                         MB_ICONEXCLAMATION | MB_YESNO);
 266
 267    return(nResult);
 268 }
 269
 270 static void HandleCommandLine(LPWSTR cmdline)
 271 {
 272     WCHAR delimiter;
 273     int opt_print=0;
 274
 275     /* skip white space */
 276     while (*cmdline == ' ') cmdline++;
 277
 278     /* skip executable name */
 279     delimiter = (*cmdline == '"' ? '"' : ' ');
 280
 281     if (*cmdline == delimiter) cmdline++;
 282
 283     while (*cmdline && *cmdline != delimiter) cmdline++;
 284
 285     if (*cmdline == delimiter) cmdline++;
 286
 287     while (*cmdline == ' ' || *cmdline == '-' || *cmdline == '/')
 288     {
 289         WCHAR option;
 290
 291         if (*cmdline++ == ' ') continue;
 292
 293         option = *cmdline;
 294         if (option) cmdline++;
 295         while (*cmdline == ' ') cmdline++;
 296
 297         switch(option)
 298         {
 299             case 'p':
 300             case 'P':
 301                 opt_print=1;
 302                 break;
 303         }
 304     }
 305
 306     if (*cmdline)
 307     {
 308         /* file name is passed in the command line */
 309         LPCWSTR file_name;
 310         BOOL file_exists;
 311         WCHAR buf[MAX_PATH];
 312
 313         if (cmdline[0] == '"')
 314         {
 315             cmdline++;
 316             cmdline[lstrlen(cmdline) - 1] = 0;
 317         }
 318
 319         if (FileExists(cmdline))
 320         {
 321             file_exists = TRUE;
 322             file_name = cmdline;
 323         }
 324         else
 325         {
 326             static const WCHAR txtW[] = { '.','t','x','t',0 };
 327
 328             /* try to find file with ".txt" extension */
 329             if (!lstrcmp(txtW, cmdline + lstrlen(cmdline) - lstrlen(txtW)))
 330             {
 331                 file_exists = FALSE;
 332                 file_name = cmdline;
 333             }
 334             else
 335             {
 336                 lstrcpyn(buf, cmdline, MAX_PATH - lstrlen(txtW) - 1);
 337                 lstrcat(buf, txtW);
 338                 file_name = buf;
 339                 file_exists = FileExists(buf);
 340             }
 341         }
 342
 343         if (file_exists)
 344         {
 345             DoOpenFile(file_name);
 346             InvalidateRect(Globals.hMainWnd, NULL, FALSE);
 347             if (opt_print)
 348                 DIALOG_FilePrint();
 349         }
 350         else
 351         {
 352             switch (AlertFileDoesNotExist(file_name)) {
 353             case IDYES:
 354                 DoOpenFile(file_name);
 355                 break;
 356
 357             case IDNO:
 358                 break;
 359             }
 360         }
 361      }
 362 }
 363
 364 /***********************************************************************
 365  *
 366  *           WinMain
 367  */
 368 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
 369 {
 370     MSG        msg;
 371     HACCEL      hAccel;
 372     WNDCLASSEX class;
 373     static const WCHAR className[] = {'N','o','t','e','p','a','d',0};
 374     static const WCHAR winName[]   = {'N','o','t','e','p','a','d',0};
 375
 376     aFINDMSGSTRING = RegisterWindowMessage(FINDMSGSTRING);
 377
 378     ZeroMemory(&Globals, sizeof(Globals));
 379     Globals.hInstance       = hInstance;
 380     Globals.bWrapLongLines  = TRUE;
 381
 382     ZeroMemory(&class, sizeof(class));
 383     class.cbSize        = sizeof(class);
 384     class.lpfnWndProc   = NOTEPAD_WndProc;
 385     class.hInstance     = Globals.hInstance;
 386     class.hIcon         = LoadIcon(0, IDI_APPLICATION);
 387     class.hCursor       = LoadCursor(0, IDC_ARROW);
 388     class.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 389     class.lpszMenuName  = MAKEINTRESOURCE(MAIN_MENU);
 390     class.lpszClassName = className;
 391
 392     if (!RegisterClassEx(&class)) return FALSE;
 393
 394     /* Setup windows */
 395
 396     Globals.hMainWnd =
 397         CreateWindow(className, winName, WS_OVERLAPPEDWINDOW,
 398                      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0,
 399                      NULL, NULL, Globals.hInstance, NULL);
 400     if (!Globals.hMainWnd)
 401     {
 402         ShowLastError();
 403         ExitProcess(1);
 404     }
 405
 406     NOTEPAD_InitData();
 407     DIALOG_FileNew();
 408
 409     ShowWindow(Globals.hMainWnd, show);
 410     UpdateWindow(Globals.hMainWnd);
 411     DragAcceptFiles(Globals.hMainWnd, TRUE);
 412
 413     HandleCommandLine(GetCommandLine());
 414
 415     hAccel = LoadAccelerators( hInstance, MAKEINTRESOURCE(ID_ACCEL) );
 416
 417     while (GetMessage(&msg, 0, 0, 0))
 418     {
 419         if (!TranslateAccelerator(Globals.hMainWnd, hAccel, &msg) && !IsDialogMessage(Globals.hFindReplaceDlg, &msg))
 420         {
 421             TranslateMessage(&msg);
 422             DispatchMessage(&msg);
 423         }
 424     }
 425     return msg.wParam;
 426 }