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 #define MAX_STRING_LEN 255
  25
  26 #include <stdarg.h>
  27 #include <ctype.h>
  28 #include <stdio.h>
  29 #include <assert.h>
  30
  31 #include <windows.h>
  32 #include <richedit.h>
  33 #include <commctrl.h>
  34 #include <commdlg.h>
  35
  36 #include "resource.h"
  37
  38 /* use LoadString */
  39 static const WCHAR xszAppTitle[] = {'W','i','n','e',' ','W','o','r','d','p','a','d',0};
  40 static const WCHAR xszMainMenu[] = {'M','A','I','N','M','E','N','U',0};
  41
  42 static const WCHAR wszRichEditClass[] = {'R','I','C','H','E','D','I','T','2','0','W',0};
  43 static const WCHAR wszMainWndClass[] = {'W','O','R','D','P','A','D','T','O','P',0};
  44 static const WCHAR wszAppTitle[] = {'W','i','n','e',' ','W','o','r','d','p','a','d',0};
  45
  46 static HWND hMainWnd;
  47 static HWND hEditorWnd;
  48
  49 static WCHAR wszFilter[MAX_STRING_LEN];
  50
  51 static LRESULT OnSize( HWND hWnd, WPARAM wParam, LPARAM lParam );
  52
  53 /* Load string resources */
  54 static void DoLoadStrings(void)
  55 {
  56     LPWSTR p = wszFilter;
  57     static const WCHAR files_rtf[] = {'*','.','r','t','f','\0'};
  58     static const WCHAR files_txt[] = {'*','.','t','x','t','\0'};
  59     static const WCHAR files_all[] = {'*','.','*','\0'};
  60     HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtr(hMainWnd, GWLP_HINSTANCE);
  61
  62     LoadStringW(hInstance, STRING_RICHTEXT_FILES_RTF, p, MAX_STRING_LEN);
  63     p += lstrlenW(p) + 1;
  64     lstrcpyW(p, files_rtf);
  65     p += lstrlenW(p) + 1;
  66     LoadStringW(hInstance, STRING_TEXT_FILES_TXT, p, MAX_STRING_LEN);
  67     p += lstrlenW(p) + 1;
  68     lstrcpyW(p, files_txt);
  69     p += lstrlenW(p) + 1;
  70     LoadStringW(hInstance, STRING_ALL_FILES, p, MAX_STRING_LEN);
  71     p += lstrlenW(p) + 1;
  72     lstrcpyW(p, files_all);
  73     p += lstrlenW(p) + 1;
  74     *p = '\0';
  75 }
  76
  77 static void AddButton(HWND hwndToolBar, int nImage, int nCommand)
  78 {
  79     TBBUTTON button;
  80
  81     ZeroMemory(&button, sizeof(button));
  82     button.iBitmap = nImage;
  83     button.idCommand = nCommand;
  84     button.fsState = TBSTATE_ENABLED;
  85     button.fsStyle = TBSTYLE_BUTTON;
  86     button.dwData = 0;
  87     button.iString = -1;
  88     SendMessageW(hwndToolBar, TB_ADDBUTTONSW, 1, (LPARAM)&button);
  89 }
  90
  91 static void AddSeparator(HWND hwndToolBar)
  92 {
  93     TBBUTTON button;
  94
  95     ZeroMemory(&button, sizeof(button));
  96     button.iBitmap = -1;
  97     button.idCommand = 0;
  98     button.fsState = 0;
  99     button.fsStyle = TBSTYLE_SEP;
 100     button.dwData = 0;
 101     button.iString = -1;
 102     SendMessageW(hwndToolBar, TB_ADDBUTTONSW, 1, (LPARAM)&button);
 103 }
 104
 105 static DWORD CALLBACK stream_in(DWORD_PTR cookie, LPBYTE buffer, LONG cb, LONG *pcb)
 106 {
 107     HANDLE hFile = (HANDLE)cookie;
 108     DWORD read;
 109
 110     if(!ReadFile(hFile, buffer, cb, &read, 0))
 111         return 1;
 112
 113     *pcb = read;
 114
 115     return 0;
 116 }
 117
 118 static DWORD CALLBACK stream_out(DWORD_PTR cookie, LPBYTE buffer, LONG cb, LONG *pcb)
 119 {
 120     DWORD written;
 121     int ret;
 122     HANDLE hFile = (HANDLE)cookie;
 123
 124     ret = WriteFile(hFile, buffer, cb, &written, 0);
 125
 126     if(!ret || (cb != written))
 127         return 1;
 128
 129     *pcb = cb;
 130
 131     return 0;
 132 }
 133
 134 static WCHAR wszFileName[MAX_PATH];
 135
 136 static void set_caption(LPCWSTR wszNewFileName)
 137 {
 138     static const WCHAR wszSeparator[] = {' ','-',' '};
 139
 140     if(wszNewFileName)
 141     {
 142         WCHAR *wszCaption;
 143         SIZE_T length = 0;
 144
 145         wszCaption = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 146                     lstrlenW(wszNewFileName)*sizeof(WCHAR)+sizeof(wszSeparator)+sizeof(wszAppTitle));
 147
 148         if(!wszCaption)
 149             return;
 150
 151         memcpy(wszCaption, wszNewFileName, lstrlenW(wszNewFileName)*sizeof(WCHAR));
 152         length += lstrlenW(wszNewFileName);
 153         memcpy(wszCaption + length, wszSeparator, sizeof(wszSeparator));
 154         length += sizeof(wszSeparator) / sizeof(WCHAR);
 155         memcpy(wszCaption + length, wszAppTitle, sizeof(wszAppTitle));
 156
 157         SetWindowTextW(hMainWnd, wszCaption);
 158
 159         HeapFree(GetProcessHeap(), 0, wszCaption);
 160     } else
 161     {
 162         SetWindowTextW(hMainWnd, wszAppTitle);
 163     }
 164 }
 165
 166 static void DoOpenFile(LPCWSTR szOpenFileName)
 167 {
 168     HANDLE hFile;
 169     EDITSTREAM es;
 170
 171     hFile = CreateFileW(szOpenFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
 172                         OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 173     if (hFile == INVALID_HANDLE_VALUE)
 174         return;
 175
 176     es.dwCookie = (DWORD_PTR)hFile;
 177     es.pfnCallback = stream_in;
 178
 179     /* FIXME: Handle different file formats */
 180     SendMessageW(hEditorWnd, EM_STREAMIN, SF_RTF, (LPARAM)&es);
 181
 182     CloseHandle(hFile);
 183
 184     SetFocus(hEditorWnd);
 185
 186     set_caption(szOpenFileName);
 187
 188     lstrcpyW(wszFileName, szOpenFileName);
 189 }
 190
 191 static void DialogOpenFile(void)
 192 {
 193     OPENFILENAMEW ofn;
 194
 195     WCHAR wszFile[MAX_PATH] = {'\0'};
 196     static const WCHAR wszDefExt[] = {'r','t','f','\0'};
 197
 198     ZeroMemory(&ofn, sizeof(ofn));
 199
 200     ofn.lStructSize = sizeof(ofn);
 201     ofn.Flags = OFN_HIDEREADONLY | OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
 202     ofn.hwndOwner = hMainWnd;
 203     ofn.lpstrFilter = wszFilter;
 204     ofn.lpstrFile = wszFile;
 205     ofn.nMaxFile = MAX_PATH;
 206     ofn.lpstrDefExt = wszDefExt;
 207
 208     if(GetOpenFileNameW(&ofn))
 209         DoOpenFile(ofn.lpstrFile);
 210 }
 211
 212 static void DoSaveFile(LPCWSTR wszSaveFileName)
 213 {
 214     HANDLE hFile;
 215     EDITSTREAM stream;
 216     LRESULT ret;
 217
 218     hFile = CreateFileW(wszSaveFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 219         FILE_ATTRIBUTE_NORMAL, NULL);
 220
 221     if(hFile == INVALID_HANDLE_VALUE)
 222         return;
 223
 224     stream.dwCookie = (DWORD_PTR)hFile;
 225     stream.pfnCallback = stream_out;
 226
 227     /* FIXME: Handle different formats */
 228     ret = SendMessageW(hEditorWnd, EM_STREAMOUT, SF_RTF, (LPARAM)&stream);
 229
 230     CloseHandle(hFile);
 231
 232     SetFocus(hEditorWnd);
 233
 234     if(!ret)
 235         return;
 236
 237     lstrcpyW(wszFileName, wszSaveFileName);
 238     set_caption(wszFileName);
 239 }
 240
 241 static void DialogSaveFile(void)
 242 {
 243     OPENFILENAMEW sfn;
 244
 245     WCHAR wszFile[MAX_PATH] = {'\0'};
 246     static const WCHAR wszDefExt[] = {'r','t','f','\0'};
 247
 248     ZeroMemory(&sfn, sizeof(sfn));
 249
 250     sfn.lStructSize = sizeof(sfn);
 251     sfn.Flags = OFN_HIDEREADONLY | OFN_PATHMUSTEXIST;
 252     sfn.hwndOwner = hMainWnd;
 253     sfn.lpstrFilter = wszFilter;
 254     sfn.lpstrFile = wszFile;
 255     sfn.nMaxFile = MAX_PATH;
 256     sfn.lpstrDefExt = wszDefExt;
 257
 258     if(!GetSaveFileNameW(&sfn))
 259         return;
 260
 261     DoSaveFile(sfn.lpstrFile);
 262 }
 263
 264 static void HandleCommandLine(LPWSTR cmdline)
 265 {
 266     WCHAR delimiter;
 267     int opt_print = 0;
 268
 269     /* skip white space */
 270     while (*cmdline == ' ') cmdline++;
 271
 272     /* skip executable name */
 273     delimiter = (*cmdline == '"' ? '"' : ' ');
 274
 275     if (*cmdline == delimiter) cmdline++;
 276     while (*cmdline && *cmdline != delimiter) cmdline++;
 277     if (*cmdline == delimiter) cmdline++;
 278
 279     while (*cmdline == ' ' || *cmdline == '-' || *cmdline == '/')
 280     {
 281         WCHAR option;
 282
 283         if (*cmdline++ == ' ') continue;
 284
 285         option = *cmdline;
 286         if (option) cmdline++;
 287         while (*cmdline == ' ') cmdline++;
 288
 289         switch (option)
 290         {
 291             case 'p':
 292             case 'P':
 293                 opt_print = 1;
 294                 break;
 295         }
 296     }
 297
 298     if (*cmdline)
 299     {
 300         /* file name is passed on the command line */
 301         if (cmdline[0] == '"')
 302         {
 303             cmdline++;
 304             cmdline[lstrlenW(cmdline) - 1] = 0;
 305         }
 306         DoOpenFile(cmdline);
 307         InvalidateRect(hMainWnd, NULL, FALSE);
 308     }
 309
 310     if (opt_print)
 311         MessageBox(hMainWnd, "Printing not implemented", "WordPad", MB_OK);
 312 }
 313
 314 static void DoDefaultFont(void)
 315 {
 316     static const WCHAR szFaceName[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n',0};
 317     CHARFORMAT2W fmt;
 318
 319     ZeroMemory(&fmt, sizeof(fmt));
 320
 321     fmt.cbSize = sizeof(fmt);
 322     fmt.dwMask = CFM_FACE | CFM_BOLD | CFM_ITALIC | CFM_UNDERLINE;
 323     fmt.dwEffects = 0;
 324
 325     lstrcpyW(fmt.szFaceName, szFaceName);
 326
 327     SendMessageW(hEditorWnd, EM_SETCHARFORMAT,  SCF_DEFAULT, (LPARAM)&fmt);
 328 }
 329
 330 static void update_window(void)
 331 {
 332     RECT rect;
 333
 334     GetWindowRect(hMainWnd, &rect);
 335
 336     (void) OnSize(hMainWnd, SIZE_RESTORED, MAKELONG(rect.bottom, rect.right));
 337 }
 338
 339 static void toggle_toolbar(int bandId)
 340 {
 341     HWND hwndReBar = GetDlgItem(hMainWnd, IDC_REBAR);
 342     REBARBANDINFOW rbbinfo;
 343     BOOL hide = TRUE;
 344
 345     if(!hwndReBar)
 346         return;
 347
 348     rbbinfo.cbSize = sizeof(rbbinfo);
 349     rbbinfo.fMask = RBBIM_STYLE | RBBIM_SIZE;
 350
 351     SendMessageW(hwndReBar, RB_GETBANDINFO, bandId, (LPARAM)&rbbinfo);
 352
 353     if(rbbinfo.fStyle & RBBS_HIDDEN)
 354         hide = FALSE;
 355
 356     SendMessageW(hwndReBar, RB_SHOWBAND, bandId, hide ? 0 : 1);
 357
 358     if(bandId == BANDID_TOOLBAR)
 359     {
 360         rbbinfo.fMask ^= RBBIM_SIZE;
 361
 362         SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_FORMATBAR, (LPARAM)&rbbinfo);
 363
 364         if(hide)
 365             rbbinfo.fStyle ^= RBBS_BREAK;
 366         else
 367             rbbinfo.fStyle |= RBBS_BREAK;
 368
 369         SendMessageW(hwndReBar, RB_SETBANDINFO, BANDID_FORMATBAR, (LPARAM)&rbbinfo);
 370     }
 371 }
 372
 373 static LRESULT OnCreate( HWND hWnd, WPARAM wParam, LPARAM lParam)
 374 {
 375     HWND hToolBarWnd, hFormatBarWnd,  hReBarWnd;
 376     HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtr(hWnd, GWLP_HINSTANCE);
 377     HANDLE hDLL;
 378     TBADDBITMAP ab;
 379     int nStdBitmaps = 0;
 380     REBARINFO rbi;
 381     REBARBANDINFOW rbb;
 382     static const WCHAR wszRichEditDll[] = {'R','I','C','H','E','D','2','0','.','D','L','L','\0'};
 383     static const WCHAR wszRichEditText[] = {'R','i','c','h','E','d','i','t',' ','t','e','x','t','\0'};
 384
 385     CreateStatusWindowW(CCS_NODIVIDER|WS_CHILD|WS_VISIBLE, wszRichEditText, hWnd, IDC_STATUSBAR);
 386
 387     hReBarWnd = CreateWindowExW(WS_EX_TOOLWINDOW, REBARCLASSNAMEW, NULL,
 388       CCS_NODIVIDER|WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|WS_CLIPCHILDREN|RBS_VARHEIGHT|CCS_TOP,
 389       CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, hWnd, (HMENU)IDC_REBAR, hInstance, NULL);
 390
 391     rbi.cbSize = sizeof(rbi);
 392     rbi.fMask = 0;
 393     rbi.himl = NULL;
 394     if(!SendMessageW(hReBarWnd, RB_SETBARINFO, 0, (LPARAM)&rbi))
 395         return -1;
 396
 397     hToolBarWnd = CreateToolbarEx(hReBarWnd, CCS_NOPARENTALIGN|CCS_NOMOVEY|WS_VISIBLE|WS_CHILD|TBSTYLE_TOOLTIPS|TBSTYLE_BUTTON,
 398       IDC_TOOLBAR,
 399       0, hInstance, 0,
 400       NULL, 0,
 401       24, 24, 16, 16, sizeof(TBBUTTON));
 402
 403     ab.hInst = HINST_COMMCTRL;
 404     ab.nID = IDB_STD_SMALL_COLOR;
 405     nStdBitmaps = SendMessageW(hToolBarWnd, TB_ADDBITMAP, 0, (LPARAM)&ab);
 406
 407     AddButton(hToolBarWnd, nStdBitmaps+STD_FILENEW, ID_FILE_NEW);
 408     AddButton(hToolBarWnd, nStdBitmaps+STD_FILEOPEN, ID_FILE_OPEN);
 409     AddButton(hToolBarWnd, nStdBitmaps+STD_FILESAVE, ID_FILE_SAVE);
 410     AddSeparator(hToolBarWnd);
 411     AddButton(hToolBarWnd, nStdBitmaps+STD_PRINT, ID_PRINT);
 412     AddButton(hToolBarWnd, nStdBitmaps+STD_PRINTPRE, ID_PREVIEW);
 413     AddSeparator(hToolBarWnd);
 414     AddButton(hToolBarWnd, nStdBitmaps+STD_FIND, ID_FIND);
 415     AddSeparator(hToolBarWnd);
 416     AddButton(hToolBarWnd, nStdBitmaps+STD_CUT, ID_EDIT_CUT);
 417     AddButton(hToolBarWnd, nStdBitmaps+STD_COPY, ID_EDIT_COPY);
 418     AddButton(hToolBarWnd, nStdBitmaps+STD_PASTE, ID_EDIT_PASTE);
 419     AddButton(hToolBarWnd, nStdBitmaps+STD_UNDO, ID_EDIT_UNDO);
 420     AddButton(hToolBarWnd, nStdBitmaps+STD_REDOW, ID_EDIT_REDO);
 421
 422     SendMessageW(hToolBarWnd, TB_AUTOSIZE, 0, 0);
 423
 424     rbb.cbSize = sizeof(rbb);
 425     rbb.fMask = RBBIM_SIZE | RBBIM_CHILDSIZE | RBBIM_CHILD | RBBIM_STYLE;
 426     rbb.fStyle = RBBS_CHILDEDGE | RBBS_BREAK | RBBS_NOGRIPPER;
 427     rbb.cx = 0;
 428     rbb.hwndChild = hToolBarWnd;
 429     rbb.cxMinChild = 0;
 430     rbb.cyChild = rbb.cyMinChild = HIWORD(SendMessageW(hToolBarWnd, TB_GETBUTTONSIZE, 0, 0));
 431
 432     SendMessageW(hReBarWnd, RB_INSERTBAND, BANDID_TOOLBAR, (LPARAM)&rbb);
 433
 434     hFormatBarWnd = CreateToolbarEx(hReBarWnd,
 435          CCS_NOPARENTALIGN | CCS_NOMOVEY | WS_VISIBLE | TBSTYLE_TOOLTIPS | TBSTYLE_BUTTON,
 436          IDC_FORMATBAR, 6, hInstance, IDB_FORMATBAR, NULL, 0, 24, 24, 16, 16, sizeof(TBBUTTON));
 437
 438     ab.hInst = HINST_COMMCTRL;
 439     ab.nID = IDB_STD_SMALL_COLOR;
 440     nStdBitmaps = SendMessageW(hFormatBarWnd, TB_ADDBITMAP, 6, (LPARAM)&ab);
 441
 442     AddButton(hFormatBarWnd, 0, ID_FORMAT_BOLD);
 443     AddButton(hFormatBarWnd, 1, ID_FORMAT_ITALIC);
 444     AddButton(hFormatBarWnd, 2, ID_FORMAT_UNDERLINE);
 445     AddSeparator(hFormatBarWnd);
 446     AddButton(hFormatBarWnd, 3, ID_ALIGN_LEFT);
 447     AddButton(hFormatBarWnd, 4, ID_ALIGN_CENTER);
 448     AddButton(hFormatBarWnd, 5, ID_ALIGN_RIGHT);
 449
 450     SendMessageW(hFormatBarWnd, TB_AUTOSIZE, 0, 0);
 451
 452     rbb.hwndChild = hFormatBarWnd;
 453
 454     SendMessageW(hReBarWnd, RB_INSERTBAND, BANDID_FORMATBAR, (LPARAM)&rbb);
 455
 456     hDLL = LoadLibraryW(wszRichEditDll);
 457     assert(hDLL);
 458
 459     hEditorWnd = CreateWindowExW(WS_EX_CLIENTEDGE, wszRichEditClass, NULL,
 460       WS_CHILD|WS_VISIBLE|ES_MULTILINE|ES_AUTOVSCROLL|ES_WANTRETURN|WS_VSCROLL,
 461       0, 0, 1000, 100, hWnd, (HMENU)IDC_EDITOR, hInstance, NULL);
 462
 463     if (!hEditorWnd)
 464     {
 465         fprintf(stderr, "Error code %u\n", GetLastError());
 466         return -1;
 467     }
 468     assert(hEditorWnd);
 469
 470     SetFocus(hEditorWnd);
 471     SendMessageW(hEditorWnd, EM_SETEVENTMASK, 0, ENM_SELCHANGE);
 472
 473     DoDefaultFont();
 474
 475     DoLoadStrings();
 476
 477     return 0;
 478 }
 479
 480 static LRESULT OnUser( HWND hWnd, WPARAM wParam, LPARAM lParam)
 481 {
 482     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 483     HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
 484     HWND hwndToolBar = GetDlgItem(hwndReBar, IDC_TOOLBAR);
 485     HWND hwndFormatBar = GetDlgItem(hwndReBar, IDC_FORMATBAR);
 486     int from, to;
 487     CHARFORMAT2W fmt;
 488     PARAFORMAT2 pf;
 489
 490     ZeroMemory(&fmt, sizeof(fmt));
 491     fmt.cbSize = sizeof(fmt);
 492
 493     ZeroMemory(&pf, sizeof(pf));
 494     pf.cbSize = sizeof(pf);
 495
 496     SendMessageW(hwndEditor, EM_GETCHARFORMAT, TRUE, (LPARAM)&fmt);
 497
 498     SendMessageW(hwndEditor, EM_GETSEL, (WPARAM)&from, (LPARAM)&to);
 499     SendMessageW(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_UNDO,
 500       SendMessageW(hwndEditor, EM_CANUNDO, 0, 0));
 501     SendMessageW(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_REDO,
 502       SendMessageW(hwndEditor, EM_CANREDO, 0, 0));
 503     SendMessageW(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_CUT, from == to ? 0 : 1);
 504     SendMessageW(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_COPY, from == to ? 0 : 1);
 505
 506     SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_FORMAT_BOLD, (fmt.dwMask & CFM_BOLD) &&
 507             (fmt.dwEffects & CFE_BOLD));
 508     SendMessageW(hwndFormatBar, TB_INDETERMINATE, ID_FORMAT_BOLD, !(fmt.dwMask & CFM_BOLD));
 509     SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_FORMAT_ITALIC, (fmt.dwMask & CFM_ITALIC) &&
 510             (fmt.dwEffects & CFE_ITALIC));
 511     SendMessageW(hwndFormatBar, TB_INDETERMINATE, ID_FORMAT_ITALIC, !(fmt.dwMask & CFM_ITALIC));
 512     SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_FORMAT_UNDERLINE, (fmt.dwMask & CFM_UNDERLINE) &&
 513             (fmt.dwEffects & CFE_UNDERLINE));
 514     SendMessageW(hwndFormatBar, TB_INDETERMINATE, ID_FORMAT_UNDERLINE, !(fmt.dwMask & CFM_UNDERLINE));
 515
 516     SendMessageW(hwndEditor, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
 517     SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_ALIGN_LEFT, (pf.wAlignment == PFA_LEFT));
 518     SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_ALIGN_CENTER, (pf.wAlignment == PFA_CENTER));
 519     SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_ALIGN_RIGHT, (pf.wAlignment == PFA_RIGHT));
 520
 521     return 0;
 522 }
 523
 524 static LRESULT OnNotify( HWND hWnd, WPARAM wParam, LPARAM lParam)
 525 {
 526     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 527     NMHDR *pHdr = (NMHDR *)lParam;
 528
 529     if (pHdr->hwndFrom != hwndEditor)
 530         return 0;
 531
 532     if (pHdr->code == EN_SELCHANGE)
 533     {
 534         SELCHANGE *pSC = (SELCHANGE *)lParam;
 535         char buf[128];
 536
 537         sprintf( buf,"selection = %d..%d, line count=%ld",
 538                  pSC->chrg.cpMin, pSC->chrg.cpMax,
 539         SendMessage(hwndEditor, EM_GETLINECOUNT, 0, 0));
 540         SetWindowText(GetDlgItem(hWnd, IDC_STATUSBAR), buf);
 541         SendMessage(hWnd, WM_USER, 0, 0);
 542         return 1;
 543     }
 544     return 0;
 545 }
 546
 547 static LRESULT OnCommand( HWND hWnd, WPARAM wParam, LPARAM lParam)
 548 {
 549     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 550     HWND hwndStatus = GetDlgItem(hWnd, IDC_STATUSBAR);
 551
 552     if ((HWND)lParam == hwndEditor)
 553         return 0;
 554
 555     switch(LOWORD(wParam))
 556     {
 557     case ID_FILE_EXIT:
 558         PostMessageW(hWnd, WM_CLOSE, 0, 0);
 559         break;
 560
 561     case ID_FILE_NEW:
 562         set_caption(NULL);
 563         wszFileName[0] = '\0';
 564         SetWindowTextW(hwndEditor, wszFileName);
 565         /* FIXME: set default format too */
 566         break;
 567
 568     case ID_FILE_OPEN:
 569         DialogOpenFile();
 570         break;
 571
 572     case ID_FILE_SAVE:
 573         if(wszFileName[0])
 574         {
 575             DoSaveFile(wszFileName);
 576             break;
 577         }
 578         /* Fall through */
 579
 580     case ID_FILE_SAVEAS:
 581         DialogSaveFile();
 582         break;
 583
 584     case ID_PRINT:
 585     case ID_PREVIEW:
 586     case ID_FIND:
 587         {
 588             static const WCHAR wszNotImplemented[] = {'N','o','t',' ',
 589                                                       'i','m','p','l','e','m','e','n','t','e','d','\0'};
 590             MessageBoxW(hWnd, wszNotImplemented, wszAppTitle, MB_OK);
 591         }
 592         break;
 593
 594     case ID_FORMAT_BOLD:
 595     case ID_FORMAT_ITALIC:
 596     case ID_FORMAT_UNDERLINE:
 597         {
 598         CHARFORMAT2W fmt;
 599         int mask = CFM_BOLD;
 600         if (LOWORD(wParam) == ID_FORMAT_ITALIC) mask = CFM_ITALIC;
 601         if (LOWORD(wParam) == ID_FORMAT_UNDERLINE) mask = CFM_UNDERLINE;
 602
 603         ZeroMemory(&fmt, sizeof(fmt));
 604         fmt.cbSize = sizeof(fmt);
 605         SendMessageW(hwndEditor, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
 606         if (!(fmt.dwMask&mask))
 607             fmt.dwEffects |= mask;
 608         else
 609             fmt.dwEffects ^= mask;
 610         fmt.dwMask = mask;
 611         SendMessageW(hwndEditor, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
 612         break;
 613         }
 614
 615     case ID_EDIT_CUT:
 616         PostMessageW(hwndEditor, WM_CUT, 0, 0);
 617         break;
 618
 619     case ID_EDIT_COPY:
 620         PostMessageW(hwndEditor, WM_COPY, 0, 0);
 621         break;
 622
 623     case ID_EDIT_PASTE:
 624         PostMessageW(hwndEditor, WM_PASTE, 0, 0);
 625         break;
 626
 627     case ID_EDIT_CLEAR:
 628         PostMessageW(hwndEditor, WM_CLEAR, 0, 0);
 629         break;
 630
 631     case ID_EDIT_SELECTALL:
 632         {
 633         CHARRANGE range = {0, -1};
 634         SendMessageW(hwndEditor, EM_EXSETSEL, 0, (LPARAM)&range);
 635         /* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
 636         return 0;
 637         }
 638
 639     case ID_EDIT_GETTEXT:
 640         {
 641         int nLen = GetWindowTextLengthW(hwndEditor);
 642         LPWSTR data = HeapAlloc( GetProcessHeap(), 0, (nLen+1)*sizeof(WCHAR) );
 643         TEXTRANGEW tr;
 644
 645         GetWindowTextW(hwndEditor, data, nLen+1);
 646         MessageBoxW(NULL, data, xszAppTitle, MB_OK);
 647
 648         HeapFree( GetProcessHeap(), 0, data);
 649         data = HeapAlloc(GetProcessHeap(), 0, (nLen+1)*sizeof(WCHAR));
 650         tr.chrg.cpMin = 0;
 651         tr.chrg.cpMax = nLen;
 652         tr.lpstrText = data;
 653         SendMessage (hwndEditor, EM_GETTEXTRANGE, 0, (LPARAM)&tr);
 654         MessageBoxW(NULL, data, xszAppTitle, MB_OK);
 655         HeapFree( GetProcessHeap(), 0, data );
 656
 657         /* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
 658         return 0;
 659         }
 660
 661     case ID_EDIT_CHARFORMAT:
 662     case ID_EDIT_DEFCHARFORMAT:
 663         {
 664         CHARFORMAT2W cf;
 665         LRESULT i;
 666         ZeroMemory(&cf, sizeof(cf));
 667         cf.cbSize = sizeof(cf);
 668         cf.dwMask = 0;
 669         i = SendMessageW(hwndEditor, EM_GETCHARFORMAT,
 670                         LOWORD(wParam) == ID_EDIT_CHARFORMAT, (LPARAM)&cf);
 671         return 0;
 672         }
 673
 674     case ID_EDIT_PARAFORMAT:
 675         {
 676         PARAFORMAT2 pf;
 677         ZeroMemory(&pf, sizeof(pf));
 678         pf.cbSize = sizeof(pf);
 679         SendMessageW(hwndEditor, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
 680         return 0;
 681         }
 682
 683     case ID_EDIT_SELECTIONINFO:
 684         {
 685         CHARRANGE range = {0, -1};
 686         char buf[128];
 687         WCHAR *data = NULL;
 688
 689         SendMessage(hwndEditor, EM_EXGETSEL, 0, (LPARAM)&range);
 690         data = HeapAlloc(GetProcessHeap(), 0, sizeof(*data) * (range.cpMax-range.cpMin+1));
 691         SendMessage(hwndEditor, EM_GETSELTEXT, 0, (LPARAM)data);
 692         sprintf(buf, "Start = %d, End = %d", range.cpMin, range.cpMax);
 693         MessageBoxA(hWnd, buf, "Editor", MB_OK);
 694         MessageBoxW(hWnd, data, xszAppTitle, MB_OK);
 695         HeapFree( GetProcessHeap(), 0, data);
 696         /* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
 697         return 0;
 698         }
 699
 700     case ID_EDIT_READONLY:
 701         {
 702         long nStyle = GetWindowLong(hwndEditor, GWL_STYLE);
 703         if (nStyle & ES_READONLY)
 704             SendMessageW(hwndEditor, EM_SETREADONLY, 0, 0);
 705         else
 706             SendMessageW(hwndEditor, EM_SETREADONLY, 1, 0);
 707         return 0;
 708         }
 709
 710     case ID_EDIT_MODIFIED:
 711         if (SendMessageW(hwndEditor, EM_GETMODIFY, 0, 0))
 712             SendMessageW(hwndEditor, EM_SETMODIFY, 0, 0);
 713         else
 714             SendMessageW(hwndEditor, EM_SETMODIFY, 1, 0);
 715         return 0;
 716
 717     case ID_EDIT_UNDO:
 718         SendMessageW(hwndEditor, EM_UNDO, 0, 0);
 719         return 0;
 720
 721     case ID_EDIT_REDO:
 722         SendMessageW(hwndEditor, EM_REDO, 0, 0);
 723         return 0;
 724
 725     case ID_ALIGN_LEFT:
 726     case ID_ALIGN_CENTER:
 727     case ID_ALIGN_RIGHT:
 728         {
 729         PARAFORMAT2 pf;
 730
 731         pf.cbSize = sizeof(pf);
 732         pf.dwMask = PFM_ALIGNMENT;
 733         switch(LOWORD(wParam)) {
 734         case ID_ALIGN_LEFT: pf.wAlignment = PFA_LEFT; break;
 735         case ID_ALIGN_CENTER: pf.wAlignment = PFA_CENTER; break;
 736         case ID_ALIGN_RIGHT: pf.wAlignment = PFA_RIGHT; break;
 737         }
 738         SendMessageW(hwndEditor, EM_SETPARAFORMAT, 0, (LPARAM)&pf);
 739         break;
 740         }
 741
 742     case ID_BACK_1:
 743         SendMessageW(hwndEditor, EM_SETBKGNDCOLOR, 1, 0);
 744         break;
 745
 746     case ID_BACK_2:
 747         SendMessageW(hwndEditor, EM_SETBKGNDCOLOR, 0, RGB(255,255,192));
 748         break;
 749
 750     case ID_TOGGLE_TOOLBAR:
 751         toggle_toolbar(BANDID_TOOLBAR);
 752         update_window();
 753         break;
 754
 755     case ID_TOGGLE_FORMATBAR:
 756         toggle_toolbar(BANDID_FORMATBAR);
 757         update_window();
 758         break;
 759
 760     case ID_TOGGLE_STATUSBAR:
 761         ShowWindow(hwndStatus, IsWindowVisible(hwndStatus) ? SW_HIDE : SW_SHOW);
 762         update_window();
 763         break;
 764
 765     default:
 766         SendMessageW(hwndEditor, WM_COMMAND, wParam, lParam);
 767         break;
 768     }
 769     return 0;
 770 }
 771
 772 static LRESULT OnInitPopupMenu( HWND hWnd, WPARAM wParam, LPARAM lParam )
 773 {
 774     HMENU hMenu = (HMENU)wParam;
 775     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 776     HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
 777     HWND hwndStatus = GetDlgItem(hWnd, IDC_STATUSBAR);
 778     PARAFORMAT pf;
 779     int nAlignment = -1;
 780     REBARBANDINFOW rbbinfo;
 781     int selFrom, selTo;
 782
 783     SendMessageW(hEditorWnd, EM_GETSEL, (WPARAM)&selFrom, (LPARAM)&selTo);
 784     EnableMenuItem(hMenu, ID_EDIT_COPY, MF_BYCOMMAND|(selFrom == selTo) ? MF_GRAYED : MF_ENABLED);
 785     EnableMenuItem(hMenu, ID_EDIT_CUT, MF_BYCOMMAND|(selFrom == selTo) ? MF_GRAYED : MF_ENABLED);
 786
 787     pf.cbSize = sizeof(PARAFORMAT);
 788     SendMessageW(hwndEditor, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
 789     CheckMenuItem(hMenu, ID_EDIT_READONLY,
 790       MF_BYCOMMAND|(GetWindowLong(hwndEditor, GWL_STYLE)&ES_READONLY ? MF_CHECKED : MF_UNCHECKED));
 791     CheckMenuItem(hMenu, ID_EDIT_MODIFIED,
 792       MF_BYCOMMAND|(SendMessage(hwndEditor, EM_GETMODIFY, 0, 0) ? MF_CHECKED : MF_UNCHECKED));
 793     if (pf.dwMask & PFM_ALIGNMENT)
 794         nAlignment = pf.wAlignment;
 795     CheckMenuItem(hMenu, ID_ALIGN_LEFT, MF_BYCOMMAND|(nAlignment == PFA_LEFT) ?
 796             MF_CHECKED : MF_UNCHECKED);
 797     CheckMenuItem(hMenu, ID_ALIGN_CENTER, MF_BYCOMMAND|(nAlignment == PFA_CENTER) ?
 798             MF_CHECKED : MF_UNCHECKED);
 799     CheckMenuItem(hMenu, ID_ALIGN_RIGHT, MF_BYCOMMAND|(nAlignment == PFA_RIGHT) ?
 800             MF_CHECKED : MF_UNCHECKED);
 801     EnableMenuItem(hMenu, ID_EDIT_UNDO, MF_BYCOMMAND|(SendMessageW(hwndEditor, EM_CANUNDO, 0, 0)) ?
 802             MF_ENABLED : MF_GRAYED);
 803     EnableMenuItem(hMenu, ID_EDIT_REDO, MF_BYCOMMAND|(SendMessageW(hwndEditor, EM_CANREDO, 0, 0)) ?
 804             MF_ENABLED : MF_GRAYED);
 805
 806     rbbinfo.cbSize = sizeof(rbbinfo);
 807     rbbinfo.fMask = RBBIM_STYLE;
 808     SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_TOOLBAR, (LPARAM)&rbbinfo);
 809
 810     CheckMenuItem(hMenu, ID_TOGGLE_TOOLBAR, MF_BYCOMMAND|(rbbinfo.fStyle & RBBS_HIDDEN) ?
 811             MF_UNCHECKED : MF_CHECKED);
 812
 813     SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_FORMATBAR, (LPARAM)&rbbinfo);
 814
 815     CheckMenuItem(hMenu, ID_TOGGLE_FORMATBAR, MF_BYCOMMAND|(rbbinfo.fStyle & RBBS_HIDDEN) ?
 816             MF_UNCHECKED : MF_CHECKED);
 817
 818     CheckMenuItem(hMenu, ID_TOGGLE_STATUSBAR, MF_BYCOMMAND|IsWindowVisible(hwndStatus) ?
 819             MF_CHECKED : MF_UNCHECKED);
 820     return 0;
 821 }
 822
 823 static LRESULT OnSize( HWND hWnd, WPARAM wParam, LPARAM lParam )
 824 {
 825     int nStatusSize = 0;
 826     RECT rc;
 827     HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
 828     HWND hwndStatusBar = GetDlgItem(hWnd, IDC_STATUSBAR);
 829     HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
 830     int rebarHeight = 0;
 831     REBARBANDINFOW rbbinfo;
 832     int rebarRows = 2;
 833
 834     if (hwndStatusBar)
 835     {
 836         SendMessageW(hwndStatusBar, WM_SIZE, 0, 0);
 837         if (IsWindowVisible(hwndStatusBar))
 838         {
 839             GetClientRect(hwndStatusBar, &rc);
 840             nStatusSize = rc.bottom - rc.top;
 841         } else
 842         {
 843             nStatusSize = 0;
 844         }
 845     }
 846     if (hwndReBar)
 847     {
 848         rbbinfo.cbSize = sizeof(rbbinfo);
 849         rbbinfo.fMask = RBBIM_STYLE;
 850
 851         SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_TOOLBAR, (LPARAM)&rbbinfo);
 852         if(rbbinfo.fStyle & RBBS_HIDDEN)
 853             rebarRows--;
 854
 855         SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_FORMATBAR, (LPARAM)&rbbinfo);
 856         if(rbbinfo.fStyle & RBBS_HIDDEN)
 857             rebarRows--;
 858
 859         rebarHeight = rebarRows ? SendMessageW(hwndReBar, RB_GETBARHEIGHT, 0, 0) : 0;
 860     }
 861     if (hwndEditor)
 862     {
 863         GetClientRect(hWnd, &rc);
 864         MoveWindow(hwndEditor, 0, rebarHeight, rc.right, rc.bottom-nStatusSize-rebarHeight, TRUE);
 865     }
 866
 867     return DefWindowProcW(hWnd, WM_SIZE, wParam, lParam);
 868 }
 869
 870 static LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 871 {
 872     switch(msg)
 873     {
 874     case WM_CREATE:
 875         return OnCreate( hWnd, wParam, lParam );
 876
 877     case WM_USER:
 878         return OnUser( hWnd, wParam, lParam );
 879
 880     case WM_NOTIFY:
 881         return OnNotify( hWnd, wParam, lParam );
 882
 883     case WM_COMMAND:
 884         return OnCommand( hWnd, wParam, lParam );
 885
 886     case WM_DESTROY:
 887         PostQuitMessage(0);
 888         break;
 889
 890     case WM_ACTIVATE:
 891         if (LOWORD(wParam))
 892             SetFocus(GetDlgItem(hWnd, IDC_EDITOR));
 893         return 0;
 894
 895     case WM_INITMENUPOPUP:
 896         return OnInitPopupMenu( hWnd, wParam, lParam );
 897
 898     case WM_SIZE:
 899         return OnSize( hWnd, wParam, lParam );
 900
 901     default:
 902         return DefWindowProcW(hWnd, msg, wParam, lParam);
 903     }
 904
 905     return 0;
 906 }
 907
 908 int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hOldInstance, LPSTR szCmdParagraph, int res)
 909 {
 910     INITCOMMONCONTROLSEX classes = {8, ICC_BAR_CLASSES|ICC_COOL_CLASSES};
 911     HACCEL hAccel;
 912     WNDCLASSW wc;
 913     MSG msg;
 914     static const WCHAR wszAccelTable[] = {'M','A','I','N','A','C','C','E','L',
 915                                           'T','A','B','L','E','\0'};
 916
 917     InitCommonControlsEx(&classes);
 918
 919     hAccel = LoadAcceleratorsW(hInstance, wszAccelTable);
 920
 921     wc.style = CS_HREDRAW | CS_VREDRAW;
 922     wc.lpfnWndProc = WndProc;
 923     wc.cbClsExtra = 0;
 924     wc.cbWndExtra = 4;
 925     wc.hInstance = hInstance;
 926     wc.hIcon = LoadIconW(hInstance, MAKEINTRESOURCEW(IDI_WORDPAD));
 927     wc.hCursor = LoadCursor(NULL, IDC_IBEAM);
 928     wc.hbrBackground = GetSysColorBrush(COLOR_WINDOW);
 929     wc.lpszMenuName = xszMainMenu;
 930     wc.lpszClassName = wszMainWndClass;
 931     RegisterClassW(&wc);
 932
 933     hMainWnd = CreateWindowExW(0, wszMainWndClass, wszAppTitle, WS_OVERLAPPEDWINDOW,
 934       CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, hInstance, NULL);
 935     ShowWindow(hMainWnd, SW_SHOWDEFAULT);
 936
 937     HandleCommandLine(GetCommandLineW());
 938
 939     while(GetMessageW(&msg,0,0,0))
 940     {
 941         if (TranslateAcceleratorW(hMainWnd, hAccel, &msg))
 942             continue;
 943         TranslateMessage(&msg);
 944         DispatchMessageW(&msg);
 945         if (!PeekMessageW(&msg, 0, 0, 0, PM_NOREMOVE))
 946             SendMessageW(hMainWnd, WM_USER, 0, 0);
 947     }
 948
 949     return 0;
 950 }