programs/wordpad/wordpad.c

   1 /*
   2  * Wordpad implementation
   3  *
   4  * Copyright 2004 by Krzysztof Foltman
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define WIN32_LEAN_AND_MEAN
  22 #define _WIN32_IE 0x0400
  23
  24 #include <stdarg.h>
  25 #include <ctype.h>
  26 #include <stdio.h>
  27 #include <assert.h>
  28
  29 #include <windows.h>
  30 #include <richedit.h>
  31 #include <commctrl.h>
  32
  33 #include "resource.h"
  34
  35
  36 /* use LoadString */
  37 static const WCHAR xszAppTitle[] = {'W','i','n','e',' ','W','o','r','d','p','a','d',0};
  38 static const WCHAR xszMainMenu[] = {'M','A','I','N','M','E','N','U',0};
  39
  40 static const WCHAR wszRichEditClass[] = {'R','I','C','H','E','D','I','T','2','0','W',0};
  41 static const WCHAR wszMainWndClass[] = {'W','O','R','D','P','A','D','T','O','P',0};
  42 static const WCHAR wszAppTitle[] = {'W','i','n','e',' ','W','o','r','d','p','a','d',0};
  43
  44 static HWND hMainWnd;
  45 static HWND hEditorWnd;
  46
  47 static void AddButton(HWND hwndToolBar, int nImage, int nCommand)
  48 {
  49     TBBUTTON button;
  50
  51     ZeroMemory(&button, sizeof(button));
  52     button.iBitmap = nImage;
  53     button.idCommand = nCommand;
  54     button.fsState = TBSTATE_ENABLED;
  55     button.fsStyle = TBSTYLE_BUTTON;
  56     button.dwData = 0;
  57     button.iString = -1;
  58     SendMessage(hwndToolBar, TB_ADDBUTTONS, 1, (LPARAM)&button);
  59 }
  60
  61 static void AddSeparator(HWND hwndToolBar)
  62 {
  63     TBBUTTON button;
  64
  65     ZeroMemory(&button, sizeof(button));
  66     button.iBitmap = -1;
  67     button.idCommand = 0;
  68     button.fsState = 0;
  69     button.fsStyle = TBSTYLE_SEP;
  70     button.dwData = 0;
  71     button.iString = -1;
  72     SendMessage(hwndToolBar, TB_ADDBUTTONS, 1, (LPARAM)&button);
  73 }
  74
  75 static LPSTR stream_buffer;
  76 static LONG  stream_buffer_size;
  77
  78 static DWORD CALLBACK stream_in(DWORD_PTR cookie, LPBYTE buffer, LONG cb, LONG *pcb)
  79 {
  80     LONG size = min(stream_buffer_size, cb);
  81
  82     memcpy(buffer, stream_buffer, size);
  83     stream_buffer_size -= size;
  84     stream_buffer += size;
  85     *pcb = size;
  86     return 0;
  87 }
  88
  89 static void DoOpenFile(LPCWSTR szFileName)
  90 {
  91     HANDLE hFile;
  92     LPSTR pTemp;
  93     DWORD size;
  94     DWORD dwNumRead;
  95     EDITSTREAM es;
  96
  97     hFile = CreateFileW(szFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
  98                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
  99     if (hFile == INVALID_HANDLE_VALUE)
 100         return;
 101
 102     size = GetFileSize(hFile, NULL);
 103     if (size == INVALID_FILE_SIZE)
 104     {
 105         CloseHandle(hFile);
 106         return;
 107     }
 108     size++;
 109
 110     pTemp = HeapAlloc(GetProcessHeap(), 0, size);
 111     if (!pTemp)
 112     {
 113         CloseHandle(hFile);
 114         return;
 115     }
 116
 117     if (!ReadFile(hFile, pTemp, size, &dwNumRead, NULL))
 118     {
 119         CloseHandle(hFile);
 120         HeapFree(GetProcessHeap(), 0, pTemp);
 121         return;
 122     }
 123     CloseHandle(hFile);
 124     pTemp[dwNumRead] = 0;
 125
 126     memset(&es, 0, sizeof(es));
 127     es.pfnCallback = stream_in;
 128
 129     stream_buffer = pTemp;
 130     stream_buffer_size = size;
 131
 132     SendMessage(hEditorWnd, EM_STREAMIN, SF_RTF, (LPARAM)&es);
 133     HeapFree(GetProcessHeap(), 0, pTemp);
 134
 135     SetFocus(hEditorWnd);
 136 }
 137
 138 static void HandleCommandLine(LPWSTR cmdline)
 139 {
 140     WCHAR delimiter;
 141     int opt_print = 0;
 142
 143     /* skip white space */
 144     while (*cmdline == ' ') cmdline++;
 145
 146     /* skip executable name */
 147     delimiter = (*cmdline == '"' ? '"' : ' ');
 148
 149     if (*cmdline == delimiter) cmdline++;
 150     while (*cmdline && *cmdline != delimiter) cmdline++;
 151     if (*cmdline == delimiter) cmdline++;
 152
 153     while (*cmdline == ' ' || *cmdline == '-' || *cmdline == '/')
 154     {
 155         WCHAR option;
 156
 157         if (*cmdline++ == ' ') continue;
 158
 159         option = *cmdline;
 160         if (option) cmdline++;
 161         while (*cmdline == ' ') cmdline++;
 162
 163         switch (option)
 164         {
 165             case 'p':
 166             case 'P':
 167                 opt_print = 1;
 168                 break;
 169         }
 170     }
 171
 172     if (*cmdline)
 173     {
 174         /* file name is passed on the command line */
 175         if (cmdline[0] == '"')
 176         {
 177             cmdline++;
 178             cmdline[lstrlenW(cmdline) - 1] = 0;
 179         }
 180         DoOpenFile(cmdline);
 181         InvalidateRect(hMainWnd, NULL, FALSE);
 182     }
 183
 184     if (opt_print)
 185         MessageBox(hMainWnd, "Printing not implemented", "WordPad", MB_OK);
 186 }
 187
 188 static LRESULT OnCreate( HWND hWnd, WPARAM wParam, LPARAM lParam)
 189 {
 190     HWND hToolBarWnd, hReBarWnd;
 191     HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtr(hWnd, GWLP_HINSTANCE);
 192     HANDLE hDLL;
 193     TBADDBITMAP ab;
 194     int nStdBitmaps = 0;
 195     REBARINFO rbi;
 196     REBARBANDINFO rbb;
 197
 198     CreateStatusWindow(CCS_NODIVIDER|WS_CHILD|WS_VISIBLE, "RichEdit text", hWnd, IDC_STATUSBAR);
 199
 200     hReBarWnd = CreateWindowEx(WS_EX_TOOLWINDOW, REBARCLASSNAME, NULL,
 201       CCS_NODIVIDER|WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|WS_CLIPCHILDREN|RBS_VARHEIGHT|CCS_TOP,
 202       CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, hWnd, (HMENU)IDC_REBAR, hInstance, NULL);
 203
 204     rbi.cbSize = sizeof(rbi);
 205     rbi.fMask = 0;
 206     rbi.himl = NULL;
 207     if(!SendMessage(hReBarWnd, RB_SETBARINFO, 0, (LPARAM)&rbi))
 208         return -1;
 209
 210     hToolBarWnd = CreateToolbarEx(hReBarWnd, CCS_NOPARENTALIGN|CCS_NODIVIDER|CCS_NOMOVEY|WS_VISIBLE|WS_CHILD|TBSTYLE_TOOLTIPS|TBSTYLE_BUTTON,
 211       IDC_TOOLBAR,
 212       3, hInstance, IDB_TOOLBAR,
 213       NULL, 0,
 214       24, 24, 16, 16, sizeof(TBBUTTON));
 215
 216     ab.hInst = HINST_COMMCTRL;
 217     ab.nID = IDB_STD_SMALL_COLOR;
 218     nStdBitmaps = SendMessage(hToolBarWnd, TB_ADDBITMAP, 3, (LPARAM)&ab);
 219     AddButton(hToolBarWnd, nStdBitmaps+STD_FILENEW, ID_FILE_NEW);
 220     AddButton(hToolBarWnd, nStdBitmaps+STD_FILEOPEN, ID_FILE_OPEN);
 221     AddButton(hToolBarWnd, nStdBitmaps+STD_FILESAVE, ID_FILE_SAVE);
 222     AddSeparator(hToolBarWnd);
 223     AddButton(hToolBarWnd, nStdBitmaps+STD_PRINT, ID_PRINT);
 224     AddButton(hToolBarWnd, nStdBitmaps+STD_PRINTPRE, ID_PREVIEW);
 225     AddSeparator(hToolBarWnd);
 226     AddButton(hToolBarWnd, nStdBitmaps+STD_FIND, ID_FIND);
 227     AddSeparator(hToolBarWnd);
 228     AddButton(hToolBarWnd, nStdBitmaps+STD_CUT, ID_EDIT_CUT);
 229     AddButton(hToolBarWnd, nStdBitmaps+STD_COPY, ID_EDIT_COPY);
 230     AddButton(hToolBarWnd, nStdBitmaps+STD_PASTE, ID_EDIT_PASTE);
 231     AddButton(hToolBarWnd, nStdBitmaps+STD_UNDO, ID_EDIT_UNDO);
 232     AddButton(hToolBarWnd, nStdBitmaps+STD_REDOW, ID_EDIT_REDO);
 233     AddSeparator(hToolBarWnd);
 234     AddButton(hToolBarWnd, 0, ID_FORMAT_BOLD);
 235     AddButton(hToolBarWnd, 1, ID_FORMAT_ITALIC);
 236     AddButton(hToolBarWnd, 2, ID_FORMAT_UNDERLINE);
 237
 238     SendMessage(hToolBarWnd, TB_ADDSTRING, 0, (LPARAM)"Exit\0");
 239     SendMessage(hToolBarWnd, TB_AUTOSIZE, 0, 0);
 240
 241     rbb.cbSize = sizeof(rbb);
 242     rbb.fMask = RBBIM_SIZE | RBBIM_CHILDSIZE | RBBIM_CHILD | RBBIM_STYLE;
 243     rbb.fStyle = RBBS_CHILDEDGE;
 244     rbb.cx = 500;
 245     rbb.hwndChild = hToolBarWnd;
 246     rbb.cxMinChild = 0;
 247     rbb.cyChild = rbb.cyMinChild = HIWORD(SendMessage(hToolBarWnd, TB_GETBUTTONSIZE, 0, 0));
 248
 249     SendMessage(hReBarWnd, RB_INSERTBAND, -1, (LPARAM)&rbb);
 250
 251     hDLL = LoadLibrary("RICHED20.DLL");
 252     assert(hDLL);
 253
 254     hEditorWnd = CreateWindowExW(WS_EX_CLIENTEDGE, wszRichEditClass, NULL,
 255       WS_CHILD|WS_VISIBLE|ES_MULTILINE|ES_AUTOVSCROLL|ES_WANTRETURN|WS_VSCROLL,
 256       0, 0, 1000, 100, hWnd, (HMENU)IDC_EDITOR, hInstance, NULL);
 257     if (!hEditorWnd)
 258     {
 259         fprintf(stderr, "Error code %u\n", GetLastError());
 260         return -1;
 261     }
 262     assert(hEditorWnd);
 263
 264     SetFocus(hEditorWnd);
 265     SendMessage(hEditorWnd, EM_SETEVENTMASK, 0, ENM_SELCHANGE);
 266     return 0;
 267 }
 268
 269 static LRESULT OnUser( HWND hWnd, WPARAM wParam, LPARAM lParam)
 270 {
 271     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 272     HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
 273     HWND hwndToolBar = GetDlgItem(hwndReBar, IDC_TOOLBAR);
 274     int from, to;
 275     CHARFORMAT2W fmt;
 276
 277     ZeroMemory(&fmt, sizeof(fmt));
 278     fmt.cbSize = sizeof(fmt);
 279
 280     SendMessage(hwndEditor, EM_GETCHARFORMAT, TRUE, (LPARAM)&fmt);
 281
 282     SendMessage(hwndEditor, EM_GETSEL, (WPARAM)&from, (LPARAM)&to);
 283     SendMessage(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_UNDO,
 284       SendMessage(hwndEditor, EM_CANUNDO, 0, 0));
 285     SendMessage(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_REDO,
 286       SendMessage(hwndEditor, EM_CANREDO, 0, 0));
 287     SendMessage(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_CUT, from == to ? 0 : 1);
 288     SendMessage(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_COPY, from == to ? 0 : 1);
 289     SendMessage(hwndToolBar, TB_CHECKBUTTON, ID_FORMAT_BOLD, (fmt.dwMask & CFM_BOLD) && (fmt.dwEffects & CFE_BOLD));
 290     SendMessage(hwndToolBar, TB_INDETERMINATE, ID_FORMAT_BOLD, !(fmt.dwMask & CFM_BOLD));
 291     SendMessage(hwndToolBar, TB_CHECKBUTTON, ID_FORMAT_ITALIC, (fmt.dwMask & CFM_ITALIC) && (fmt.dwEffects & CFE_ITALIC));
 292     SendMessage(hwndToolBar, TB_INDETERMINATE, ID_FORMAT_ITALIC, !(fmt.dwMask & CFM_ITALIC));
 293     SendMessage(hwndToolBar, TB_CHECKBUTTON, ID_FORMAT_UNDERLINE, (fmt.dwMask & CFM_UNDERLINE) && (fmt.dwEffects & CFE_UNDERLINE));
 294     SendMessage(hwndToolBar, TB_INDETERMINATE, ID_FORMAT_UNDERLINE, !(fmt.dwMask & CFM_UNDERLINE));
 295     return 0;
 296 }
 297
 298 static LRESULT OnNotify( HWND hWnd, WPARAM wParam, LPARAM lParam)
 299 {
 300     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 301     NMHDR *pHdr = (NMHDR *)lParam;
 302
 303     if (pHdr->hwndFrom != hwndEditor)
 304         return 0;
 305
 306     if (pHdr->code == EN_SELCHANGE)
 307     {
 308         SELCHANGE *pSC = (SELCHANGE *)lParam;
 309         char buf[128];
 310
 311         sprintf( buf,"selection = %d..%d, line count=%ld\n",
 312                  pSC->chrg.cpMin, pSC->chrg.cpMax,
 313         SendMessage(hwndEditor, EM_GETLINECOUNT, 0, 0));
 314         SetWindowText(GetDlgItem(hWnd, IDC_STATUSBAR), buf);
 315         SendMessage(hWnd, WM_USER, 0, 0);
 316         return 1;
 317     }
 318     return 0;
 319 }
 320
 321 static LRESULT OnCommand( HWND hWnd, WPARAM wParam, LPARAM lParam)
 322 {
 323     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 324
 325     if ((HWND)lParam == hwndEditor)
 326         return 0;
 327
 328     switch(LOWORD(wParam))
 329     {
 330     case ID_FILE_EXIT:
 331         PostMessage(hWnd, WM_CLOSE, 0, 0);
 332         break;
 333
 334     case ID_FILE_NEW:
 335         SetWindowTextA(hwndEditor, "");
 336         /* FIXME: set default format too */
 337         break;
 338
 339     case ID_FILE_OPEN:
 340     case ID_FILE_SAVE:
 341     case ID_PRINT:
 342     case ID_PREVIEW:
 343     case ID_FIND:
 344         MessageBox(hWnd, "Not implemented", "WordPad", MB_OK);
 345         break;
 346
 347     case ID_FORMAT_BOLD:
 348     case ID_FORMAT_ITALIC:
 349     case ID_FORMAT_UNDERLINE:
 350         {
 351         CHARFORMAT2W fmt;
 352         int mask = CFM_BOLD;
 353         if (LOWORD(wParam) == ID_FORMAT_ITALIC) mask = CFM_ITALIC;
 354         if (LOWORD(wParam) == ID_FORMAT_UNDERLINE) mask = CFM_UNDERLINE;
 355
 356         ZeroMemory(&fmt, sizeof(fmt));
 357         fmt.cbSize = sizeof(fmt);
 358         SendMessage(hwndEditor, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
 359         if (!(fmt.dwMask&mask))
 360             fmt.dwEffects |= mask;
 361         else
 362             fmt.dwEffects ^= mask;
 363         fmt.dwMask = mask;
 364         SendMessage(hwndEditor, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
 365         break;
 366         }
 367
 368     case ID_EDIT_CUT:
 369         PostMessage(hwndEditor, WM_CUT, 0, 0);
 370         break;
 371
 372     case ID_EDIT_COPY:
 373         PostMessage(hwndEditor, WM_COPY, 0, 0);
 374         break;
 375
 376     case ID_EDIT_PASTE:
 377         PostMessage(hwndEditor, WM_PASTE, 0, 0);
 378         break;
 379
 380     case ID_EDIT_SELECTALL:
 381         {
 382         CHARRANGE range = {0, -1};
 383         SendMessage(hwndEditor, EM_EXSETSEL, 0, (LPARAM)&range);
 384         /* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
 385         return 0;
 386         }
 387
 388     case ID_EDIT_GETTEXT:
 389         {
 390         int nLen = GetWindowTextLengthW(hwndEditor);
 391         LPWSTR data = HeapAlloc( GetProcessHeap(), 0, (nLen+1)*sizeof(WCHAR) );
 392         TEXTRANGEW tr;
 393
 394         GetWindowTextW(hwndEditor, data, nLen+1);
 395         MessageBoxW(NULL, data, xszAppTitle, MB_OK);
 396
 397         HeapFree( GetProcessHeap(), 0, data);
 398         data = HeapAlloc(GetProcessHeap(), 0, (nLen+1)*sizeof(WCHAR));
 399         tr.chrg.cpMin = 0;
 400         tr.chrg.cpMax = nLen;
 401         tr.lpstrText = data;
 402         SendMessage (hwndEditor, EM_GETTEXTRANGE, 0, (LPARAM)&tr);
 403         MessageBoxW(NULL, data, xszAppTitle, MB_OK);
 404         HeapFree( GetProcessHeap(), 0, data );
 405
 406         /* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
 407         return 0;
 408         }
 409
 410     case ID_EDIT_CHARFORMAT:
 411     case ID_EDIT_DEFCHARFORMAT:
 412         {
 413         CHARFORMAT2W cf;
 414         LRESULT i;
 415         ZeroMemory(&cf, sizeof(cf));
 416         cf.cbSize = sizeof(cf);
 417         cf.dwMask = 0;
 418         i = SendMessage(hwndEditor, EM_GETCHARFORMAT,
 419                         LOWORD(wParam) == ID_EDIT_CHARFORMAT, (LPARAM)&cf);
 420         return 0;
 421         }
 422
 423     case ID_EDIT_PARAFORMAT:
 424         {
 425         PARAFORMAT2 pf;
 426         ZeroMemory(&pf, sizeof(pf));
 427         pf.cbSize = sizeof(pf);
 428         SendMessage(hwndEditor, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
 429         return 0;
 430         }
 431
 432     case ID_EDIT_SELECTIONINFO:
 433         {
 434         CHARRANGE range = {0, -1};
 435         char buf[128];
 436         WCHAR *data = NULL;
 437
 438         SendMessage(hwndEditor, EM_EXGETSEL, 0, (LPARAM)&range);
 439         data = HeapAlloc(GetProcessHeap(), 0, sizeof(*data) * (range.cpMax-range.cpMin+1));
 440         SendMessage(hwndEditor, EM_GETSELTEXT, 0, (LPARAM)data);
 441         sprintf(buf, "Start = %d, End = %d", range.cpMin, range.cpMax);
 442         MessageBoxA(hWnd, buf, "Editor", MB_OK);
 443         MessageBoxW(hWnd, data, xszAppTitle, MB_OK);
 444         HeapFree( GetProcessHeap(), 0, data);
 445         /* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
 446         return 0;
 447         }
 448
 449     case ID_EDIT_READONLY:
 450         {
 451         long nStyle = GetWindowLong(hwndEditor, GWL_STYLE);
 452         if (nStyle & ES_READONLY)
 453             SendMessage(hwndEditor, EM_SETREADONLY, 0, 0);
 454         else
 455             SendMessage(hwndEditor, EM_SETREADONLY, 1, 0);
 456         return 0;
 457         }
 458
 459     case ID_EDIT_MODIFIED:
 460         if (SendMessage(hwndEditor, EM_GETMODIFY, 0, 0))
 461             SendMessage(hwndEditor, EM_SETMODIFY, 0, 0);
 462         else
 463             SendMessage(hwndEditor, EM_SETMODIFY, 1, 0);
 464         return 0;
 465
 466     case ID_EDIT_UNDO:
 467         SendMessage(hwndEditor, EM_UNDO, 0, 0);
 468         return 0;
 469
 470     case ID_EDIT_REDO:
 471         SendMessage(hwndEditor, EM_REDO, 0, 0);
 472         return 0;
 473
 474     case ID_ALIGN_LEFT:
 475     case ID_ALIGN_CENTER:
 476     case ID_ALIGN_RIGHT:
 477         {
 478         PARAFORMAT2 pf;
 479
 480         pf.cbSize = sizeof(pf);
 481         pf.dwMask = PFM_ALIGNMENT;
 482         switch(LOWORD(wParam)) {
 483         case ID_ALIGN_LEFT: pf.wAlignment = PFA_LEFT; break;
 484         case ID_ALIGN_CENTER: pf.wAlignment = PFA_CENTER; break;
 485         case ID_ALIGN_RIGHT: pf.wAlignment = PFA_RIGHT; break;
 486         }
 487         SendMessage(hwndEditor, EM_SETPARAFORMAT, 0, (LPARAM)&pf);
 488         break;
 489         }
 490
 491     case ID_BACK_1:
 492         SendMessage(hwndEditor, EM_SETBKGNDCOLOR, 1, 0);
 493         break;
 494
 495     case ID_BACK_2:
 496         SendMessage(hwndEditor, EM_SETBKGNDCOLOR, 0, RGB(255,255,192));
 497         break;
 498
 499     default:
 500         SendMessage(hwndEditor, WM_COMMAND, wParam, lParam);
 501         break;
 502     }
 503     return 0;
 504 }
 505
 506 static LRESULT OnInitPopupMenu( HWND hWnd, WPARAM wParam, LPARAM lParam )
 507 {
 508     HMENU hMenu = (HMENU)wParam;
 509     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 510     PARAFORMAT pf;
 511     int nAlignment = -1;
 512
 513     pf.cbSize = sizeof(PARAFORMAT);
 514     SendMessage(hwndEditor, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
 515     CheckMenuItem(hMenu, ID_EDIT_READONLY,
 516       MF_BYCOMMAND|(GetWindowLong(hwndEditor, GWL_STYLE)&ES_READONLY ? MF_CHECKED : MF_UNCHECKED));
 517     CheckMenuItem(hMenu, ID_EDIT_MODIFIED,
 518       MF_BYCOMMAND|(SendMessage(hwndEditor, EM_GETMODIFY, 0, 0) ? MF_CHECKED : MF_UNCHECKED));
 519     if (pf.dwMask & PFM_ALIGNMENT)
 520         nAlignment = pf.wAlignment;
 521     CheckMenuItem(hMenu, ID_ALIGN_LEFT, MF_BYCOMMAND|(nAlignment == PFA_LEFT) ? MF_CHECKED : MF_UNCHECKED);
 522     CheckMenuItem(hMenu, ID_ALIGN_CENTER, MF_BYCOMMAND|(nAlignment == PFA_CENTER) ? MF_CHECKED : MF_UNCHECKED);
 523     CheckMenuItem(hMenu, ID_ALIGN_RIGHT, MF_BYCOMMAND|(nAlignment == PFA_RIGHT) ? MF_CHECKED : MF_UNCHECKED);
 524     EnableMenuItem(hMenu, ID_EDIT_UNDO, MF_BYCOMMAND|(SendMessage(hwndEditor, EM_CANUNDO, 0, 0)) ? MF_ENABLED : MF_GRAYED);
 525     EnableMenuItem(hMenu, ID_EDIT_REDO, MF_BYCOMMAND|(SendMessage(hwndEditor, EM_CANREDO, 0, 0)) ? MF_ENABLED : MF_GRAYED);
 526     return 0;
 527 }
 528
 529 static LRESULT OnSize( HWND hWnd, WPARAM wParam, LPARAM lParam )
 530 {
 531     int nStatusSize = 0, nTBSize = 0;
 532     RECT rc;
 533     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 534     HWND hwndStatusBar = GetDlgItem(hWnd, IDC_STATUSBAR);
 535     HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
 536     HWND hwndToolBar = GetDlgItem(hwndReBar, IDC_TOOLBAR);
 537
 538     if (hwndStatusBar)
 539     {
 540         SendMessage(hwndStatusBar, WM_SIZE, 0, 0);
 541         GetClientRect(hwndStatusBar, &rc);
 542         nStatusSize = rc.bottom - rc.top;
 543     }
 544     if (hwndToolBar)
 545     {
 546         rc.left = rc.top = 0;
 547         rc.right = LOWORD(lParam);
 548         rc.bottom = HIWORD(lParam);
 549         SendMessage(hwndToolBar, TB_AUTOSIZE, 0, 0);
 550         SendMessage(hwndReBar, RB_SIZETORECT, 0, (LPARAM)&rc);
 551         nTBSize = SendMessage(hwndReBar, RB_GETBARHEIGHT, 0, 0);
 552         GetClientRect(hwndReBar, &rc);
 553         MoveWindow(hwndReBar, 0, 0, LOWORD(lParam), rc.right, FALSE);
 554     }
 555     if (hwndEditor)
 556     {
 557         GetClientRect(hWnd, &rc);
 558         MoveWindow(hwndEditor, 0, nTBSize, rc.right, rc.bottom-nStatusSize-nTBSize, TRUE);
 559     }
 560
 561     return DefWindowProcW(hWnd, WM_SIZE, wParam, lParam);
 562 }
 563
 564 static LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 565 {
 566     switch(msg)
 567     {
 568     case WM_CREATE:
 569         return OnCreate( hWnd, wParam, lParam );
 570
 571     case WM_USER:
 572         return OnUser( hWnd, wParam, lParam );
 573
 574     case WM_NOTIFY:
 575         return OnNotify( hWnd, wParam, lParam );
 576
 577     case WM_COMMAND:
 578         return OnCommand( hWnd, wParam, lParam );
 579
 580     case WM_DESTROY:
 581         PostQuitMessage(0);
 582         break;
 583
 584     case WM_ACTIVATE:
 585         if (LOWORD(wParam))
 586             SetFocus(GetDlgItem(hWnd, IDC_EDITOR));
 587         return 0;
 588
 589     case WM_INITMENUPOPUP:
 590         return OnInitPopupMenu( hWnd, wParam, lParam );
 591
 592     case WM_SIZE:
 593         return OnSize( hWnd, wParam, lParam );
 594
 595     default:
 596         return DefWindowProcW(hWnd, msg, wParam, lParam);
 597     }
 598
 599     return 0;
 600 }
 601
 602 int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hOldInstance, LPSTR szCmdParagraph, int res)
 603 {
 604     INITCOMMONCONTROLSEX classes = {8, ICC_BAR_CLASSES|ICC_COOL_CLASSES};
 605     HACCEL hAccel;
 606     WNDCLASSW wc;
 607     MSG msg;
 608
 609     InitCommonControlsEx(&classes);
 610
 611     hAccel = LoadAccelerators(hInstance, "MAINACCELTABLE");
 612
 613     wc.style = CS_HREDRAW | CS_VREDRAW;
 614     wc.lpfnWndProc = WndProc;
 615     wc.cbClsExtra = 0;
 616     wc.cbWndExtra = 4;
 617     wc.hInstance = hInstance;
 618     wc.hIcon = NULL;
 619     wc.hCursor = LoadCursor(NULL, IDC_IBEAM);
 620     wc.hbrBackground = GetSysColorBrush(COLOR_WINDOW);
 621     wc.lpszMenuName = xszMainMenu;
 622     wc.lpszClassName = wszMainWndClass;
 623     RegisterClassW(&wc);
 624
 625     hMainWnd = CreateWindowExW(0, wszMainWndClass, wszAppTitle, WS_OVERLAPPEDWINDOW,
 626       CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, hInstance, NULL);
 627     ShowWindow(hMainWnd, SW_SHOWDEFAULT);
 628
 629     HandleCommandLine(GetCommandLineW());
 630
 631     while(GetMessage(&msg,0,0,0))
 632     {
 633         if (TranslateAccelerator(hMainWnd, hAccel, &msg))
 634             continue;
 635         TranslateMessage(&msg);
 636         DispatchMessage(&msg);
 637         if (!PeekMessage(&msg, 0, 0, 0, PM_NOREMOVE))
 638             SendMessage(hMainWnd, WM_USER, 0, 0);
 639     }
 640
 641     return 0;
 642 }