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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  *
  23  */
  24
  25 #include <windows.h>
  26 #include <richedit.h>
  27 #include <stdio.h>
  28
  29 #include "main.h"
  30 #include "dialog.h"
  31 #include "notepad_res.h"
  32
  33 NOTEPAD_GLOBALS Globals;
  34
  35 /***********************************************************************
  36  *
  37  *           SetFileName
  38  *
  39  *  Sets Global File Name.
  40  */
  41 VOID SetFileName(LPSTR szFileName)
  42 {
  43     lstrcpy(Globals.szFileName, szFileName);
  44     GetFileTitle(szFileName, Globals.szFileTitle, sizeof(Globals.szFileTitle));
  45 }
  46
  47 /***********************************************************************
  48  *
  49  *           NOTEPAD_MenuCommand
  50  *
  51  *  All handling of main menu events
  52  */
  53
  54 int NOTEPAD_MenuCommand(WPARAM wParam)
  55 {
  56     switch (wParam)
  57     {
  58     case CMD_NEW:               DIALOG_FileNew(); break;
  59     case CMD_OPEN:              DIALOG_FileOpen(); break;
  60     case CMD_SAVE:              DIALOG_FileSave(); break;
  61     case CMD_SAVE_AS:           DIALOG_FileSaveAs(); break;
  62     case CMD_PRINT:             DIALOG_FilePrint(); break;
  63     case CMD_PAGE_SETUP:        DIALOG_FilePageSetup(); break;
  64     case CMD_PRINTER_SETUP:     DIALOG_FilePrinterSetup();break;
  65     case CMD_EXIT:              DIALOG_FileExit(); break;
  66
  67     case CMD_UNDO:             DIALOG_EditUndo(); break;
  68     case CMD_CUT:              DIALOG_EditCut(); break;
  69     case CMD_COPY:             DIALOG_EditCopy(); break;
  70     case CMD_PASTE:            DIALOG_EditPaste(); break;
  71     case CMD_DELETE:           DIALOG_EditDelete(); break;
  72     case CMD_SELECT_ALL:       DIALOG_EditSelectAll(); break;
  73     case CMD_TIME_DATE:        DIALOG_EditTimeDate();break;
  74     case CMD_WRAP:             DIALOG_EditWrap(); break;
  75
  76     case CMD_SEARCH:           DIALOG_Search(); break;
  77     case CMD_SEARCH_NEXT:      DIALOG_SearchNext(); break;
  78
  79     case CMD_HELP_CONTENTS:    DIALOG_HelpContents(); break;
  80     case CMD_HELP_SEARCH:      DIALOG_HelpSearch(); break;
  81     case CMD_HELP_ON_HELP:     DIALOG_HelpHelp(); break;
  82     case CMD_LICENSE:          DIALOG_HelpLicense(); break;
  83     case CMD_NO_WARRANTY:      DIALOG_HelpNoWarranty(); break;
  84     case CMD_ABOUT_WINE:       DIALOG_HelpAboutWine(); break;
  85     }
  86    return 0;
  87 }
  88
  89 /***********************************************************************
  90  * Data Initialization
  91  */
  92 VOID NOTEPAD_InitData(VOID)
  93 {
  94     LPSTR p = Globals.szFilter;
  95
  96     LoadString(Globals.hInstance, STRING_TEXT_FILES_TXT, p, MAX_STRING_LEN);
  97     p += strlen(p) + 1;
  98     lstrcpy(p, "*.txt");
  99     p += strlen(p) + 1;
 100     LoadString(Globals.hInstance, STRING_ALL_FILES, p, MAX_STRING_LEN);
 101     p += strlen(p) + 1;
 102     lstrcpy(p, "*.*");
 103     p += strlen(p) + 1;
 104     *p = '\0';
 105 }
 106
 107 /***********************************************************************
 108  *
 109  *           NOTEPAD_WndProc
 110  */
 111 LRESULT WINAPI NOTEPAD_WndProc(HWND hWnd, UINT msg, WPARAM wParam,
 112                                LPARAM lParam)
 113 {
 114     switch (msg) {
 115
 116     case WM_CREATE:
 117     {
 118         RECT rc;
 119         GetClientRect(hWnd, &rc);
 120         if (LoadLibrary("RichEd32.dll"))
 121         {
 122             Globals.hEdit =
 123                 CreateWindow("RICHEDIT", "",
 124                              WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL |
 125                              ES_AUTOVSCROLL | ES_MULTILINE,
 126                              0, 0, rc.right, rc.bottom, hWnd,
 127                              NULL, Globals.hInstance, NULL);
 128             NOTEPAD_InitData();
 129             DIALOG_FileNew();
 130         } else {
 131             ShowLastError();
 132             return -1;
 133         }
 134         break;
 135     }
 136
 137     case WM_COMMAND:
 138         NOTEPAD_MenuCommand(wParam);
 139         break;
 140
 141     case WM_DESTROYCLIPBOARD:
 142         MessageBox(Globals.hMainWnd, "Empty clipboard", "Debug", MB_ICONEXCLAMATION);
 143         break;
 144
 145     case WM_CLOSE:
 146         if (DoCloseFile()) {
 147             DestroyWindow(hWnd);
 148         }
 149         break;
 150
 151     case WM_DESTROY:
 152         PostQuitMessage(0);
 153         break;
 154
 155     case WM_SIZE:
 156         SetWindowPos(Globals.hEdit, NULL, 0, 0, LOWORD(lParam), HIWORD(lParam),
 157                      SWP_NOOWNERZORDER | SWP_NOZORDER);
 158         break;
 159
 160     case WM_DROPFILES:
 161     {
 162         CHAR szFileName[MAX_PATH];
 163         HANDLE hDrop = (HANDLE) wParam;
 164
 165         DragQueryFile(hDrop, 0, (CHAR *) &szFileName, sizeof(szFileName));
 166         DragFinish(hDrop);
 167         DoOpenFile(szFileName);
 168         break;
 169     }
 170
 171     default:
 172         return DefWindowProc(hWnd, msg, wParam, lParam);
 173     }
 174     return 0;
 175 }
 176
 177 int AlertFileDoesNotExist(LPSTR szFileName) {
 178
 179    int nResult;
 180    CHAR szMessage[MAX_STRING_LEN];
 181    CHAR szRessource[MAX_STRING_LEN];
 182
 183    LoadString(Globals.hInstance, STRING_DOESNOTEXIST, szRessource,
 184               sizeof(szRessource));
 185    wsprintf(szMessage, szRessource, szFileName);
 186
 187    LoadString(Globals.hInstance, STRING_ERROR,  szRessource, sizeof(szRessource));
 188
 189    nResult = MessageBox(Globals.hMainWnd, szMessage, szRessource,
 190                         MB_ICONEXCLAMATION | MB_YESNO);
 191
 192    return(nResult);
 193 }
 194
 195 void HandleCommandLine(LPSTR cmdline)
 196 {
 197
 198     while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
 199     {
 200         CHAR   option;
 201
 202         if (*cmdline++ == ' ') continue;
 203
 204         option = *cmdline;
 205         if (option) cmdline++;
 206         while (*cmdline && *cmdline == ' ') cmdline++;
 207
 208         switch(option)
 209         {
 210             case 'p':
 211             case 'P': printf("Print file: ");
 212                       /* TODO - not yet able to print a file */
 213                       break;
 214         }
 215     }
 216
 217     if (*cmdline)
 218     {
 219         /* file name is passed in the command line */
 220         char *file_name;
 221         BOOL file_exists;
 222         char buf[MAX_PATH];
 223
 224         if (FileExists(cmdline))
 225         {
 226             file_exists = TRUE;
 227             file_name = cmdline;
 228         }
 229         else
 230         {
 231             /* try to find file with ".txt" extention */
 232             if (!strcmp(".txt", cmdline + strlen(cmdline) - strlen(".txt")))
 233             {
 234                 file_exists = FALSE;
 235                 file_name = cmdline;
 236             }
 237             else
 238             {
 239                 strncpy(buf, cmdline, MAX_PATH - strlen(".txt") - 1);
 240                 strcat(buf, ".txt");
 241                 file_name = buf;
 242                 file_exists = FileExists(buf);
 243             }
 244         }
 245
 246         if (file_exists)
 247         {
 248             DoOpenFile(file_name);
 249             InvalidateRect(Globals.hMainWnd, NULL, FALSE);
 250         }
 251         else
 252         {
 253             switch (AlertFileDoesNotExist(file_name)) {
 254             case IDYES:
 255                 DoOpenFile(file_name);
 256                 break;
 257
 258             case IDNO:
 259                 break;
 260             }
 261         }
 262      }
 263 }
 264
 265 /***********************************************************************
 266  *
 267  *           WinMain
 268  */
 269 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
 270 {
 271     MSG        msg;
 272     WNDCLASSEX class;
 273     char className[] = "NPClass";
 274     char winName[]   = "Notepad";
 275
 276     ZeroMemory(&Globals, sizeof(Globals));
 277     Globals.hInstance       = hInstance;
 278
 279     ZeroMemory(&class, sizeof(class));
 280     class.cbSize        = sizeof(class);
 281     class.lpfnWndProc   = NOTEPAD_WndProc;
 282     class.hInstance     = Globals.hInstance;
 283     class.hIcon         = LoadIcon(0, IDI_APPLICATION);
 284     class.hCursor       = LoadCursor(0, IDC_ARROW);
 285     class.hbrBackground = (HBRUSH)(COLOR_WINDOW);
 286     class.lpszMenuName  = MAKEINTRESOURCE(MAIN_MENU);
 287     class.lpszClassName = className;
 288
 289     if (!RegisterClassEx(&class)) return FALSE;
 290
 291     /* Setup windows */
 292
 293     Globals.hMainWnd =
 294         CreateWindow(className, winName, WS_OVERLAPPEDWINDOW,
 295                      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0,
 296                      NULL, NULL, Globals.hInstance, NULL);
 297     if (!Globals.hMainWnd)
 298     {
 299         ShowLastError();
 300         ExitProcess(1);
 301     }
 302
 303     ShowWindow(Globals.hMainWnd, show);
 304     UpdateWindow(Globals.hMainWnd);
 305     DragAcceptFiles(Globals.hMainWnd, TRUE);
 306
 307     HandleCommandLine(cmdline);
 308
 309     while (GetMessage(&msg, 0, 0, 0)) {
 310         TranslateMessage(&msg);
 311         DispatchMessage(&msg);
 312     }
 313     return msg.wParam;
 314 }