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     Globals.szFileTitle[0] = 0;
  45     GetFileTitle(szFileName, Globals.szFileTitle, sizeof(Globals.szFileTitle));
  46 }
  47
  48 /***********************************************************************
  49  *
  50  *           NOTEPAD_MenuCommand
  51  *
  52  *  All handling of main menu events
  53  */
  54
  55 int NOTEPAD_MenuCommand(WPARAM wParam)
  56 {
  57     switch (wParam)
  58     {
  59     case CMD_NEW:               DIALOG_FileNew(); break;
  60     case CMD_OPEN:              DIALOG_FileOpen(); break;
  61     case CMD_SAVE:              DIALOG_FileSave(); break;
  62     case CMD_SAVE_AS:           DIALOG_FileSaveAs(); break;
  63     case CMD_PRINT:             DIALOG_FilePrint(); break;
  64     case CMD_PAGE_SETUP:        DIALOG_FilePageSetup(); break;
  65     case CMD_PRINTER_SETUP:     DIALOG_FilePrinterSetup();break;
  66     case CMD_EXIT:              DIALOG_FileExit(); break;
  67
  68     case CMD_UNDO:             DIALOG_EditUndo(); break;
  69     case CMD_CUT:              DIALOG_EditCut(); break;
  70     case CMD_COPY:             DIALOG_EditCopy(); break;
  71     case CMD_PASTE:            DIALOG_EditPaste(); break;
  72     case CMD_DELETE:           DIALOG_EditDelete(); break;
  73     case CMD_SELECT_ALL:       DIALOG_EditSelectAll(); break;
  74     case CMD_TIME_DATE:        DIALOG_EditTimeDate();break;
  75     case CMD_WRAP:             DIALOG_EditWrap(); break;
  76
  77     case CMD_SEARCH:           DIALOG_Search(); break;
  78     case CMD_SEARCH_NEXT:      DIALOG_SearchNext(); break;
  79
  80     case CMD_HELP_CONTENTS:    DIALOG_HelpContents(); break;
  81     case CMD_HELP_SEARCH:      DIALOG_HelpSearch(); break;
  82     case CMD_HELP_ON_HELP:     DIALOG_HelpHelp(); break;
  83     case CMD_LICENSE:          DIALOG_HelpLicense(); break;
  84     case CMD_NO_WARRANTY:      DIALOG_HelpNoWarranty(); break;
  85     case CMD_ABOUT_WINE:       DIALOG_HelpAboutWine(); break;
  86     }
  87    return 0;
  88 }
  89
  90 /***********************************************************************
  91  * Data Initialization
  92  */
  93 VOID NOTEPAD_InitData(VOID)
  94 {
  95     LPSTR p = Globals.szFilter;
  96
  97     LoadString(Globals.hInstance, STRING_TEXT_FILES_TXT, p, MAX_STRING_LEN);
  98     p += strlen(p) + 1;
  99     lstrcpy(p, "*.txt");
 100     p += strlen(p) + 1;
 101     LoadString(Globals.hInstance, STRING_ALL_FILES, p, MAX_STRING_LEN);
 102     p += strlen(p) + 1;
 103     lstrcpy(p, "*.*");
 104     p += strlen(p) + 1;
 105     *p = '\0';
 106 }
 107
 108 /***********************************************************************
 109  *
 110  *           NOTEPAD_WndProc
 111  */
 112 LRESULT WINAPI NOTEPAD_WndProc(HWND hWnd, UINT msg, WPARAM wParam,
 113                                LPARAM lParam)
 114 {
 115     switch (msg) {
 116
 117     case WM_CREATE:
 118     {
 119         RECT rc;
 120         GetClientRect(hWnd, &rc);
 121         if (LoadLibrary("RichEd32.dll"))
 122         {
 123             Globals.hEdit =
 124                 CreateWindow("RICHEDIT", "",
 125                              WS_CHILD | WS_VISIBLE | WS_BORDER | WS_VSCROLL |
 126                              ES_AUTOVSCROLL | ES_MULTILINE,
 127                              0, 0, rc.right, rc.bottom, hWnd,
 128                              NULL, Globals.hInstance, NULL);
 129         } else {
 130             ShowLastError();
 131             return -1;
 132         }
 133         break;
 134     }
 135
 136     case WM_COMMAND:
 137         NOTEPAD_MenuCommand(wParam);
 138         break;
 139
 140     case WM_DESTROYCLIPBOARD:
 141         MessageBox(Globals.hMainWnd, "Empty clipboard", "Debug", MB_ICONEXCLAMATION);
 142         break;
 143
 144     case WM_CLOSE:
 145         if (DoCloseFile()) {
 146             DestroyWindow(hWnd);
 147         }
 148         break;
 149
 150     case WM_DESTROY:
 151         PostQuitMessage(0);
 152         break;
 153
 154     case WM_SIZE:
 155         SetWindowPos(Globals.hEdit, NULL, 0, 0, LOWORD(lParam), HIWORD(lParam),
 156                      SWP_NOOWNERZORDER | SWP_NOZORDER);
 157         break;
 158
 159     case WM_DROPFILES:
 160     {
 161         CHAR szFileName[MAX_PATH];
 162         HANDLE hDrop = (HANDLE) wParam;
 163
 164         DragQueryFile(hDrop, 0, (CHAR *) &szFileName, sizeof(szFileName));
 165         DragFinish(hDrop);
 166         DoOpenFile(szFileName);
 167         break;
 168     }
 169
 170     default:
 171         return DefWindowProc(hWnd, msg, wParam, lParam);
 172     }
 173     return 0;
 174 }
 175
 176 int AlertFileDoesNotExist(LPSTR szFileName) {
 177
 178    int nResult;
 179    CHAR szMessage[MAX_STRING_LEN];
 180    CHAR szRessource[MAX_STRING_LEN];
 181
 182    LoadString(Globals.hInstance, STRING_DOESNOTEXIST, szRessource,
 183               sizeof(szRessource));
 184    wsprintf(szMessage, szRessource, szFileName);
 185
 186    LoadString(Globals.hInstance, STRING_ERROR,  szRessource, sizeof(szRessource));
 187
 188    nResult = MessageBox(Globals.hMainWnd, szMessage, szRessource,
 189                         MB_ICONEXCLAMATION | MB_YESNO);
 190
 191    return(nResult);
 192 }
 193
 194 void HandleCommandLine(LPSTR cmdline)
 195 {
 196
 197     while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
 198     {
 199         CHAR   option;
 200
 201         if (*cmdline++ == ' ') continue;
 202
 203         option = *cmdline;
 204         if (option) cmdline++;
 205         while (*cmdline && *cmdline == ' ') cmdline++;
 206
 207         switch(option)
 208         {
 209             case 'p':
 210             case 'P': printf("Print file: ");
 211                       /* TODO - not yet able to print a file */
 212                       break;
 213         }
 214     }
 215
 216     if (*cmdline)
 217     {
 218         /* file name is passed in the command line */
 219         char *file_name;
 220         BOOL file_exists;
 221         char buf[MAX_PATH];
 222
 223         if (cmdline[0] == '"')
 224         {
 225             cmdline++;
 226             cmdline[strlen(cmdline) - 1] = 0;
 227         }
 228         if (FileExists(cmdline))
 229         {
 230             file_exists = TRUE;
 231             file_name = cmdline;
 232         }
 233         else
 234         {
 235             /* try to find file with ".txt" extention */
 236             if (!strcmp(".txt", cmdline + strlen(cmdline) - strlen(".txt")))
 237             {
 238                 file_exists = FALSE;
 239                 file_name = cmdline;
 240             }
 241             else
 242             {
 243                 strncpy(buf, cmdline, MAX_PATH - strlen(".txt") - 1);
 244                 strcat(buf, ".txt");
 245                 file_name = buf;
 246                 file_exists = FileExists(buf);
 247             }
 248         }
 249
 250         if (file_exists)
 251         {
 252             DoOpenFile(file_name);
 253             InvalidateRect(Globals.hMainWnd, NULL, FALSE);
 254         }
 255         else
 256         {
 257             switch (AlertFileDoesNotExist(file_name)) {
 258             case IDYES:
 259                 DoOpenFile(file_name);
 260                 break;
 261
 262             case IDNO:
 263                 break;
 264             }
 265         }
 266      }
 267 }
 268
 269 /***********************************************************************
 270  *
 271  *           WinMain
 272  */
 273 int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
 274 {
 275     MSG        msg;
 276     WNDCLASSEX class;
 277     char className[] = "NPClass";
 278     char winName[]   = "Notepad";
 279
 280     ZeroMemory(&Globals, sizeof(Globals));
 281     Globals.hInstance       = hInstance;
 282
 283     ZeroMemory(&class, sizeof(class));
 284     class.cbSize        = sizeof(class);
 285     class.lpfnWndProc   = NOTEPAD_WndProc;
 286     class.hInstance     = Globals.hInstance;
 287     class.hIcon         = LoadIcon(0, IDI_APPLICATION);
 288     class.hCursor       = LoadCursor(0, IDC_ARROW);
 289     class.hbrBackground = (HBRUSH)(COLOR_WINDOW);
 290     class.lpszMenuName  = MAKEINTRESOURCE(MAIN_MENU);
 291     class.lpszClassName = className;
 292
 293     if (!RegisterClassEx(&class)) return FALSE;
 294
 295     /* Setup windows */
 296
 297     Globals.hMainWnd =
 298         CreateWindow(className, winName, WS_OVERLAPPEDWINDOW,
 299                      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0,
 300                      NULL, NULL, Globals.hInstance, NULL);
 301     if (!Globals.hMainWnd)
 302     {
 303         ShowLastError();
 304         ExitProcess(1);
 305     }
 306
 307     NOTEPAD_InitData();
 308     DIALOG_FileNew();
 309
 310     ShowWindow(Globals.hMainWnd, show);
 311     UpdateWindow(Globals.hMainWnd);
 312     DragAcceptFiles(Globals.hMainWnd, TRUE);
 313
 314     HandleCommandLine(cmdline);
 315
 316     while (GetMessage(&msg, 0, 0, 0)) {
 317         TranslateMessage(&msg);
 318         DispatchMessage(&msg);
 319     }
 320     return msg.wParam;
 321 }