reactos/dll/comdlg32/filedlg31.c

   1 /*
   2  * COMMDLG - File Dialogs
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  * Copyright 1996 Albrecht Kleine
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 #include <ctype.h>
  22 #include <stdlib.h>
  23 #include <stdarg.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winnls.h"
  29 #include "wingdi.h"
  30 #include "winuser.h"
  31 #include "wine/unicode.h"
  32 #include "wine/debug.h"
  33 #include "cderr.h"
  34 #include "winreg.h"
  35 #include "winternl.h"
  36 #include "winuser.h"
  37 #include "commdlg.h"
  38 #include "cderr.h"
  39 #include "winreg.h"
  40 #include "winternl.h"
  41 #include "shlwapi.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
  44
  45 #include "cdlg.h"
  46 #include "filedlg31.h"
  47
  48 #define BUFFILE 512
  49 #define BUFFILEALLOC 512 * sizeof(WCHAR)
  50
  51 static const WCHAR FILE_star[] = {'*','.','*', 0};
  52 static const WCHAR FILE_bslash[] = {'\\', 0};
  53 static const WCHAR FILE_specc[] = {'%','c',':', 0};
  54 static const int fldrHeight = 16;
  55 static const int fldrWidth = 20;
  56
  57 static HICON hFolder = 0;
  58 static HICON hFolder2 = 0;
  59 static HICON hFloppy = 0;
  60 static HICON hHDisk = 0;
  61 static HICON hCDRom = 0;
  62 static HICON hNet = 0;
  63
  64 /***********************************************************************
  65  *                              FD31_Init                       [internal]
  66  */
  67 BOOL FD31_Init(void)
  68 {
  69     static BOOL initialized = 0;
  70
  71     if (!initialized) {
  72         hFolder  = LoadImageA( COMDLG32_hInstance, "FOLDER", IMAGE_ICON, 16, 16, LR_SHARED );
  73         hFolder2 = LoadImageA( COMDLG32_hInstance, "FOLDER2", IMAGE_ICON, 16, 16, LR_SHARED );
  74         hFloppy  = LoadImageA( COMDLG32_hInstance, "FLOPPY", IMAGE_ICON, 16, 16, LR_SHARED );
  75         hHDisk   = LoadImageA( COMDLG32_hInstance, "HDISK", IMAGE_ICON, 16, 16, LR_SHARED );
  76         hCDRom   = LoadImageA( COMDLG32_hInstance, "CDROM", IMAGE_ICON, 16, 16, LR_SHARED );
  77         hNet     = LoadImageA( COMDLG32_hInstance, "NETWORK", IMAGE_ICON, 16, 16, LR_SHARED );
  78         if (hFolder == 0 || hFolder2 == 0 || hFloppy == 0 ||
  79             hHDisk == 0 || hCDRom == 0 || hNet == 0)
  80         {
  81             ERR("Error loading icons !\n");
  82             return FALSE;
  83         }
  84         initialized = TRUE;
  85     }
  86     return TRUE;
  87 }
  88
  89 /***********************************************************************
  90  *                              FD31_StripEditControl        [internal]
  91  * Strip pathnames off the contents of the edit control.
  92  */
  93 static void FD31_StripEditControl(HWND hwnd)
  94 {
  95     WCHAR temp[BUFFILE], *cp;
  96
  97     GetDlgItemTextW( hwnd, edt1, temp, sizeof(temp)/sizeof(WCHAR));
  98     cp = strrchrW(temp, '\\');
  99     if (cp != NULL) {
 100         strcpyW(temp, cp+1);
 101     }
 102     cp = strrchrW(temp, ':');
 103     if (cp != NULL) {
 104         strcpyW(temp, cp+1);
 105     }
 106     /* FIXME: shouldn't we do something with the result here? ;-) */
 107 }
 108
 109 /***********************************************************************
 110  *                              FD31_CallWindowProc          [internal]
 111  *
 112  *      Call the appropriate hook
 113  */
 114 BOOL FD31_CallWindowProc(PFD31_DATA lfs, UINT wMsg, WPARAM wParam,
 115                          LPARAM lParam)
 116 {
 117     return lfs->callbacks->CWP(lfs, wMsg, wParam, lParam);
 118 }
 119
 120 /***********************************************************************
 121  *                              FD31_ScanDir                 [internal]
 122  */
 123 static BOOL FD31_ScanDir(HWND hWnd, LPWSTR newPath)
 124 {
 125     WCHAR               buffer[BUFFILE];
 126     HWND                hdlg, hdlgDir;
 127     LRESULT             lRet = TRUE;
 128     HCURSOR             hCursorWait, oldCursor;
 129
 130     TRACE("Trying to change to %s\n", debugstr_w(newPath));
 131     if  ( newPath[0] && !SetCurrentDirectoryW( newPath ))
 132         return FALSE;
 133     lstrcpynW(buffer, newPath, sizeof(buffer)/sizeof(WCHAR));
 134
 135     /* get the list of spec files */
 136     GetDlgItemTextW(hWnd, edt1, buffer, sizeof(buffer)/sizeof(WCHAR));
 137
 138     hCursorWait = LoadCursorA(0, (LPSTR)IDC_WAIT);
 139     oldCursor = SetCursor(hCursorWait);
 140
 141     /* list of files */
 142     if ((hdlg = GetDlgItem(hWnd, lst1)) != 0) {
 143         WCHAR*  scptr; /* ptr on semi-colon */
 144         WCHAR*  filter = buffer;
 145
 146         TRACE("Using filter %s\n", debugstr_w(filter));
 147         SendMessageW(hdlg, LB_RESETCONTENT, 0, 0);
 148         while (filter) {
 149             scptr = strchrW(filter, ';');
 150             if (scptr)  *scptr = 0;
 151             while (*filter == ' ') filter++;
 152             TRACE("Using file spec %s\n", debugstr_w(filter));
 153             if (SendMessageW(hdlg, LB_DIR, 0, (LPARAM)filter) == LB_ERR)
 154                 return FALSE;
 155             if (scptr) *scptr = ';';
 156                 filter = (scptr) ? (scptr + 1) : 0;
 157          }
 158     }
 159
 160     /* list of directories */
 161     strcpyW(buffer, FILE_star);
 162
 163     if ((hdlgDir = GetDlgItem(hWnd, lst2)) != 0) {
 164         lRet = DlgDirListW(hWnd, buffer, lst2, stc1, DDL_EXCLUSIVE | DDL_DIRECTORY);
 165     }
 166     SetCursor(oldCursor);
 167     return lRet;
 168 }
 169
 170 /***********************************************************************
 171  *                              FD31_GetFileType                [internal]
 172  */
 173
 174 static LPWSTR FD31_GetFileType(LPWSTR cfptr, LPWSTR fptr, WORD index)
 175 {
 176   int n, i;
 177   i = 0;
 178   if (cfptr)
 179     for ( ;(n = lstrlenW(cfptr)) != 0; i++)
 180       {
 181         cfptr += n + 1;
 182         if (i == index)
 183           return cfptr;
 184         cfptr += lstrlenW(cfptr) + 1;
 185       }
 186   if (fptr)
 187     for ( ;(n = lstrlenW(fptr)) != 0; i++)
 188       {
 189         fptr += n + 1;
 190         if (i == index)
 191           return fptr;
 192         fptr += lstrlenW(fptr) + 1;
 193     }
 194   return (LPWSTR) FILE_star; /* FIXME */
 195 }
 196
 197 /***********************************************************************
 198  *                              FD31_WMDrawItem              [internal]
 199  */
 200 LONG FD31_WMDrawItem(HWND hWnd, WPARAM wParam, LPARAM lParam,
 201        int savedlg, LPDRAWITEMSTRUCT lpdis)
 202 {
 203     WCHAR *str;
 204     HICON hIcon;
 205     COLORREF oldText = 0, oldBk = 0;
 206
 207     if (lpdis->CtlType == ODT_LISTBOX && lpdis->CtlID == lst1)
 208     {
 209         if (!(str = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC))) return FALSE;
 210         SendMessageW(lpdis->hwndItem, LB_GETTEXT, lpdis->itemID,
 211                       (LPARAM)str);
 212
 213         if ((lpdis->itemState & ODS_SELECTED) && !savedlg)
 214         {
 215             oldBk = SetBkColor( lpdis->hDC, GetSysColor( COLOR_HIGHLIGHT ) );
 216             oldText = SetTextColor( lpdis->hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
 217         }
 218         if (savedlg)
 219             SetTextColor(lpdis->hDC,GetSysColor(COLOR_GRAYTEXT) );
 220
 221         ExtTextOutW(lpdis->hDC, lpdis->rcItem.left + 1,
 222                   lpdis->rcItem.top + 1, ETO_OPAQUE | ETO_CLIPPED,
 223                   &(lpdis->rcItem), str, lstrlenW(str), NULL);
 224
 225         if (lpdis->itemState & ODS_SELECTED)
 226             DrawFocusRect( lpdis->hDC, &(lpdis->rcItem) );
 227
 228         if ((lpdis->itemState & ODS_SELECTED) && !savedlg)
 229         {
 230             SetBkColor( lpdis->hDC, oldBk );
 231             SetTextColor( lpdis->hDC, oldText );
 232         }
 233         HeapFree(GetProcessHeap(), 0, str);
 234         return TRUE;
 235     }
 236
 237     if (lpdis->CtlType == ODT_LISTBOX && lpdis->CtlID == lst2)
 238     {
 239         if (!(str = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC)))
 240             return FALSE;
 241         SendMessageW(lpdis->hwndItem, LB_GETTEXT, lpdis->itemID,
 242                       (LPARAM)str);
 243
 244         if (lpdis->itemState & ODS_SELECTED)
 245         {
 246             oldBk = SetBkColor( lpdis->hDC, GetSysColor( COLOR_HIGHLIGHT ) );
 247             oldText = SetTextColor( lpdis->hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
 248         }
 249         ExtTextOutW(lpdis->hDC, lpdis->rcItem.left + fldrWidth,
 250                   lpdis->rcItem.top + 1, ETO_OPAQUE | ETO_CLIPPED,
 251                   &(lpdis->rcItem), str, lstrlenW(str), NULL);
 252
 253         if (lpdis->itemState & ODS_SELECTED)
 254             DrawFocusRect( lpdis->hDC, &(lpdis->rcItem) );
 255
 256         if (lpdis->itemState & ODS_SELECTED)
 257         {
 258             SetBkColor( lpdis->hDC, oldBk );
 259             SetTextColor( lpdis->hDC, oldText );
 260         }
 261         DrawIcon(lpdis->hDC, lpdis->rcItem.left, lpdis->rcItem.top, hFolder);
 262         HeapFree(GetProcessHeap(), 0, str);
 263         return TRUE;
 264     }
 265     if (lpdis->CtlType == ODT_COMBOBOX && lpdis->CtlID == cmb2)
 266     {
 267         char root[] = "a:";
 268         if (!(str = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC)))
 269             return FALSE;
 270         SendMessageW(lpdis->hwndItem, CB_GETLBTEXT, lpdis->itemID,
 271                       (LPARAM)str);
 272         root[0] += str[2] - 'a';
 273         switch(GetDriveTypeA(root))
 274         {
 275         case DRIVE_REMOVABLE: hIcon = hFloppy; break;
 276         case DRIVE_CDROM:     hIcon = hCDRom; break;
 277         case DRIVE_REMOTE:    hIcon = hNet; break;
 278         case DRIVE_FIXED:
 279         default:           hIcon = hHDisk; break;
 280         }
 281         if (lpdis->itemState & ODS_SELECTED)
 282         {
 283             oldBk = SetBkColor( lpdis->hDC, GetSysColor( COLOR_HIGHLIGHT ) );
 284             oldText = SetTextColor( lpdis->hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
 285         }
 286         ExtTextOutW(lpdis->hDC, lpdis->rcItem.left + fldrWidth,
 287                   lpdis->rcItem.top + 1, ETO_OPAQUE | ETO_CLIPPED,
 288                   &(lpdis->rcItem), str, lstrlenW(str), NULL);
 289
 290         if (lpdis->itemState & ODS_SELECTED)
 291         {
 292             SetBkColor( lpdis->hDC, oldBk );
 293             SetTextColor( lpdis->hDC, oldText );
 294         }
 295         DrawIcon(lpdis->hDC, lpdis->rcItem.left, lpdis->rcItem.top, hIcon);
 296         HeapFree(GetProcessHeap(), 0, str);
 297         return TRUE;
 298     }
 299     return FALSE;
 300 }
 301
 302 /***********************************************************************
 303  *                              FD31_UpdateResult            [internal]
 304  *      update the displayed file name (with path)
 305  */
 306 static void FD31_UpdateResult(PFD31_DATA lfs, WCHAR *tmpstr)
 307 {
 308     int lenstr2;
 309     LPOPENFILENAMEW ofnW = lfs->ofnW;
 310     WCHAR tmpstr2[BUFFILE];
 311     WCHAR *p;
 312
 313     TRACE("%s\n", debugstr_w(tmpstr));
 314     if(ofnW->Flags & OFN_NOVALIDATE)
 315         tmpstr2[0] = '\0';
 316     else
 317         GetCurrentDirectoryW(BUFFILE, tmpstr2);
 318     lenstr2 = strlenW(tmpstr2);
 319     if (lenstr2 > 3)
 320         tmpstr2[lenstr2++]='\\';
 321     lstrcpynW(tmpstr2+lenstr2, tmpstr, BUFFILE-lenstr2);
 322     if (ofnW->lpstrFile)
 323         lstrcpynW(ofnW->lpstrFile, tmpstr2, ofnW->nMaxFile);
 324
 325     /* set filename offset */
 326     p = PathFindFileNameW(ofnW->lpstrFile);
 327     ofnW->nFileOffset = (p - ofnW->lpstrFile);
 328
 329     /* set extension offset */
 330     p = PathFindExtensionW(ofnW->lpstrFile);
 331     ofnW->nFileExtension = (*p) ? (p - ofnW->lpstrFile) + 1 : 0;
 332
 333     TRACE("file %s, file offset %d, ext offset %d\n",
 334           debugstr_w(ofnW->lpstrFile), ofnW->nFileOffset, ofnW->nFileExtension);
 335
 336     /* update the real client structures if any */
 337     lfs->callbacks->UpdateResult(lfs);
 338 }
 339
 340 /***********************************************************************
 341  *                              FD31_UpdateFileTitle         [internal]
 342  *      update the displayed file name (without path)
 343  */
 344 static void FD31_UpdateFileTitle(PFD31_DATA lfs)
 345 {
 346   LONG lRet;
 347   LPOPENFILENAMEW ofnW = lfs->ofnW;
 348   if (ofnW->lpstrFileTitle != NULL)
 349   {
 350     lRet = SendDlgItemMessageW(lfs->hwnd, lst1, LB_GETCURSEL, 0, 0);
 351     SendDlgItemMessageW(lfs->hwnd, lst1, LB_GETTEXT, lRet,
 352                              (LPARAM)ofnW->lpstrFileTitle );
 353     lfs->callbacks->UpdateFileTitle(lfs);
 354   }
 355 }
 356
 357 /***********************************************************************
 358  *                              FD31_DirListDblClick         [internal]
 359  */
 360 static LRESULT FD31_DirListDblClick( PFD31_DATA lfs )
 361 {
 362   LONG lRet;
 363   HWND hWnd = lfs->hwnd;
 364   LPWSTR pstr;
 365   WCHAR tmpstr[BUFFILE];
 366
 367   /* get the raw string (with brackets) */
 368   lRet = SendDlgItemMessageW(hWnd, lst2, LB_GETCURSEL, 0, 0);
 369   if (lRet == LB_ERR) return TRUE;
 370   pstr = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC);
 371   SendDlgItemMessageW(hWnd, lst2, LB_GETTEXT, lRet,
 372                      (LPARAM)pstr);
 373   strcpyW( tmpstr, pstr );
 374   HeapFree(GetProcessHeap(), 0, pstr);
 375   /* get the selected directory in tmpstr */
 376   if (tmpstr[0] == '[')
 377     {
 378       tmpstr[lstrlenW(tmpstr) - 1] = 0;
 379       strcpyW(tmpstr,tmpstr+1);
 380     }
 381   strcatW(tmpstr, FILE_bslash);
 382
 383   FD31_ScanDir(hWnd, tmpstr);
 384   /* notify the app */
 385   if (lfs->hook)
 386     {
 387       if (FD31_CallWindowProc(lfs, lfs->lbselchstring, lst2,
 388               MAKELONG(lRet,CD_LBSELCHANGE)))
 389         return TRUE;
 390     }
 391   return TRUE;
 392 }
 393
 394 /***********************************************************************
 395  *                              FD31_FileListSelect         [internal]
 396  *    called when a new item is picked in the file list
 397  */
 398 static LRESULT FD31_FileListSelect( PFD31_DATA lfs )
 399 {
 400     LONG lRet;
 401     HWND hWnd = lfs->hwnd;
 402     LPWSTR pstr;
 403
 404     lRet = lfs->callbacks->SendLbGetCurSel(lfs);
 405     if (lRet == LB_ERR)
 406         return TRUE;
 407
 408     /* set the edit control to the choosen file */
 409     if ((pstr = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC)))
 410     {
 411         SendDlgItemMessageW(hWnd, lst1, LB_GETTEXT, lRet,
 412                        (LPARAM)pstr);
 413         SetDlgItemTextW( hWnd, edt1, pstr );
 414         HeapFree(GetProcessHeap(), 0, pstr);
 415     }
 416     if (lfs->hook)
 417     {
 418         FD31_CallWindowProc(lfs, lfs->lbselchstring, lst1,
 419                            MAKELONG(lRet,CD_LBSELCHANGE));
 420     }
 421     /* FIXME: for OFN_ALLOWMULTISELECT we need CD_LBSELSUB, CD_SELADD,
 422            CD_LBSELNOITEMS */
 423     return TRUE;
 424 }
 425
 426 /***********************************************************************
 427  *                              FD31_TestPath      [internal]
 428  *      before accepting the file name, test if it includes wild cards
 429  *      tries to scan the directory and returns TRUE if no error.
 430  */
 431 static LRESULT FD31_TestPath( PFD31_DATA lfs, LPWSTR path )
 432 {
 433     HWND hWnd = lfs->hwnd;
 434     LPWSTR pBeginFileName, pstr2;
 435     WCHAR tmpstr2[BUFFILE];
 436
 437     pBeginFileName = strrchrW(path, '\\');
 438     if (pBeginFileName == NULL)
 439         pBeginFileName = strrchrW(path, ':');
 440
 441     if (strchrW(path,'*') != NULL || strchrW(path,'?') != NULL)
 442     {
 443         /* edit control contains wildcards */
 444         if (pBeginFileName != NULL)
 445         {
 446             lstrcpynW(tmpstr2, pBeginFileName + 1, BUFFILE);
 447             *(pBeginFileName + 1) = 0;
 448         }
 449         else
 450         {
 451             strcpyW(tmpstr2, path);
 452             if(!(lfs->ofnW->Flags & OFN_NOVALIDATE))
 453                 *path = 0;
 454         }
 455
 456         TRACE("path=%s, tmpstr2=%s\n", debugstr_w(path), debugstr_w(tmpstr2));
 457         SetDlgItemTextW( hWnd, edt1, tmpstr2 );
 458         FD31_ScanDir(hWnd, path);
 459         return (lfs->ofnW->Flags & OFN_NOVALIDATE) ? TRUE : FALSE;
 460     }
 461
 462     /* no wildcards, we might have a directory or a filename */
 463     /* try appending a wildcard and reading the directory */
 464
 465     pstr2 = path + lstrlenW(path);
 466     if (pBeginFileName == NULL || *(pBeginFileName + 1) != 0)
 467         strcatW(path, FILE_bslash);
 468
 469     /* if ScanDir succeeds, we have changed the directory */
 470     if (FD31_ScanDir(hWnd, path))
 471         return FALSE; /* and path is not a valid file name */
 472
 473     /* if not, this must be a filename */
 474
 475     *pstr2 = 0; /* remove the wildcard added before */
 476
 477     if (pBeginFileName != NULL)
 478     {
 479         /* strip off the pathname */
 480         *pBeginFileName = 0;
 481         SetDlgItemTextW( hWnd, edt1, pBeginFileName + 1 );
 482
 483         lstrcpynW(tmpstr2, pBeginFileName + 1, sizeof(tmpstr2)/sizeof(WCHAR) );
 484         /* Should we MessageBox() if this fails? */
 485         if (!FD31_ScanDir(hWnd, path))
 486         {
 487             return FALSE;
 488         }
 489         strcpyW(path, tmpstr2);
 490     }
 491     else
 492         SetDlgItemTextW( hWnd, edt1, path );
 493     return TRUE;
 494 }
 495
 496 /***********************************************************************
 497  *                              FD31_Validate               [internal]
 498  *   called on: click Ok button, Enter in edit, DoubleClick in file list
 499  */
 500 static LRESULT FD31_Validate( PFD31_DATA lfs, LPWSTR path, UINT control, INT itemIndex,
 501                                  BOOL internalUse )
 502 {
 503     LONG lRet;
 504     HWND hWnd = lfs->hwnd;
 505     OPENFILENAMEW ofnsav;
 506     LPOPENFILENAMEW ofnW = lfs->ofnW;
 507     WCHAR filename[BUFFILE];
 508
 509     ofnsav = *ofnW; /* for later restoring */
 510
 511     /* get current file name */
 512     if (path)
 513         lstrcpynW(filename, path, sizeof(filename)/sizeof(WCHAR));
 514     else
 515         GetDlgItemTextW( hWnd, edt1, filename, sizeof(filename)/sizeof(WCHAR));
 516
 517     TRACE("got filename = %s\n", debugstr_w(filename));
 518     /* if we did not click in file list to get there */
 519     if (control != lst1)
 520     {
 521         if (!FD31_TestPath( lfs, filename) )
 522            return FALSE;
 523     }
 524     FD31_UpdateResult(lfs, filename);
 525
 526     if (internalUse)
 527     { /* called internally after a change in a combo */
 528         if (lfs->hook)
 529         {
 530              FD31_CallWindowProc(lfs, lfs->lbselchstring, control,
 531                              MAKELONG(itemIndex,CD_LBSELCHANGE));
 532         }
 533         return TRUE;
 534     }
 535
 536     FD31_UpdateFileTitle(lfs);
 537     if (lfs->hook)
 538     {
 539         lRet = (BOOL)FD31_CallWindowProc(lfs, lfs->fileokstring,
 540                   0, lfs->lParam );
 541         if (lRet)
 542         {
 543             *ofnW = ofnsav; /* restore old state */
 544             return FALSE;
 545         }
 546     }
 547     if ((ofnW->Flags & OFN_ALLOWMULTISELECT) && (ofnW->Flags & OFN_EXPLORER))
 548     {
 549         if (ofnW->lpstrFile)
 550         {
 551             LPWSTR str = (LPWSTR)ofnW->lpstrFile;
 552             LPWSTR ptr = strrchrW(str, '\\');
 553             str[lstrlenW(str) + 1] = '\0';
 554             *ptr = 0;
 555         }
 556     }
 557     return TRUE;
 558 }
 559
 560 /***********************************************************************
 561  *                              FD31_DiskChange             [internal]
 562  *    called when a new item is picked in the disk selection combo
 563  */
 564 static LRESULT FD31_DiskChange( PFD31_DATA lfs )
 565 {
 566     LONG lRet;
 567     HWND hWnd = lfs->hwnd;
 568     LPWSTR pstr;
 569     WCHAR diskname[BUFFILE];
 570
 571     FD31_StripEditControl(hWnd);
 572     lRet = SendDlgItemMessageW(hWnd, cmb2, CB_GETCURSEL, 0, 0L);
 573     if (lRet == LB_ERR)
 574         return 0;
 575     pstr = HeapAlloc(GetProcessHeap(), 0, BUFFILEALLOC);
 576     SendDlgItemMessageW(hWnd, cmb2, CB_GETLBTEXT, lRet,
 577                          (LPARAM)pstr);
 578     wsprintfW(diskname, FILE_specc, pstr[2]);
 579     HeapFree(GetProcessHeap(), 0, pstr);
 580
 581     return FD31_Validate( lfs, diskname, cmb2, lRet, TRUE );
 582 }
 583
 584 /***********************************************************************
 585  *                              FD31_FileTypeChange         [internal]
 586  *    called when a new item is picked in the file type combo
 587  */
 588 static LRESULT FD31_FileTypeChange( PFD31_DATA lfs )
 589 {
 590     LONG lRet;
 591     LPWSTR pstr;
 592
 593     lRet = SendDlgItemMessageW(lfs->hwnd, cmb1, CB_GETCURSEL, 0, 0);
 594     if (lRet == LB_ERR)
 595         return TRUE;
 596     pstr = (LPWSTR)SendDlgItemMessageW(lfs->hwnd, cmb1, CB_GETITEMDATA, lRet, 0);
 597     TRACE("Selected filter : %s\n", debugstr_w(pstr));
 598     SetDlgItemTextW( lfs->hwnd, edt1, pstr );
 599
 600     return FD31_Validate( lfs, NULL, cmb1, lRet, TRUE );
 601 }
 602
 603 /***********************************************************************
 604  *                              FD31_WMCommand               [internal]
 605  */
 606 LRESULT FD31_WMCommand(HWND hWnd, LPARAM lParam, UINT notification,
 607        UINT control, PFD31_DATA lfs )
 608 {
 609     switch (control)
 610     {
 611         case lst1: /* file list */
 612         FD31_StripEditControl(hWnd);
 613         if (notification == LBN_DBLCLK)
 614         {
 615             return SendMessageW(hWnd, WM_COMMAND, IDOK, 0);
 616         }
 617         else if (notification == LBN_SELCHANGE)
 618             return FD31_FileListSelect( lfs );
 619         break;
 620
 621         case lst2: /* directory list */
 622         FD31_StripEditControl(hWnd);
 623         if (notification == LBN_DBLCLK)
 624             return FD31_DirListDblClick( lfs );
 625         break;
 626
 627         case cmb1: /* file type drop list */
 628         if (notification == CBN_SELCHANGE)
 629             return FD31_FileTypeChange( lfs );
 630         break;
 631
 632         case chx1:
 633         break;
 634
 635         case pshHelp:
 636         break;
 637
 638         case cmb2: /* disk dropdown combo */
 639         if (notification == CBN_SELCHANGE)
 640             return FD31_DiskChange( lfs );
 641         break;
 642
 643         case IDOK:
 644         TRACE("OK pressed\n");
 645         if (FD31_Validate( lfs, NULL, control, 0, FALSE ))
 646             EndDialog(hWnd, TRUE);
 647         return TRUE;
 648
 649         case IDCANCEL:
 650         EndDialog(hWnd, FALSE);
 651         return TRUE;
 652
 653         case IDABORT: /* can be sent by the hook procedure */
 654         EndDialog(hWnd, TRUE);
 655         return TRUE;
 656     }
 657     return FALSE;
 658 }
 659
 660 /************************************************************************
 661  *                              FD31_MapStringPairsToW       [internal]
 662  *      map string pairs to Unicode
 663  */
 664 static LPWSTR FD31_MapStringPairsToW(LPCSTR strA, UINT size)
 665 {
 666     LPCSTR s;
 667     LPWSTR x;
 668     unsigned int n, len;
 669
 670     s = strA;
 671     while (*s)
 672         s = s+strlen(s)+1;
 673     s++;
 674     n = s + 1 - strA; /* Don't forget the other \0 */
 675     if (n < size) n = size;
 676
 677     len = MultiByteToWideChar( CP_ACP, 0, strA, n, NULL, 0 );
 678     x = HeapAlloc(GetProcessHeap(),0, len * sizeof(WCHAR));
 679     MultiByteToWideChar( CP_ACP, 0, strA, n, x, len );
 680     return x;
 681 }
 682
 683
 684 /************************************************************************
 685  *                              FD31_DupToW                  [internal]
 686  *      duplicates an Ansi string to unicode, with a buffer size
 687  */
 688 static LPWSTR FD31_DupToW(LPCSTR str, DWORD size)
 689 {
 690     LPWSTR strW = NULL;
 691     if (str && (size > 0))
 692     {
 693         strW = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
 694         if (strW) MultiByteToWideChar( CP_ACP, 0, str, -1, strW, size );
 695     }
 696     return strW;
 697 }
 698
 699 /************************************************************************
 700  *                              FD31_MapOfnStructA          [internal]
 701  *      map a 32 bits Ansi structure to an Unicode one
 702  */
 703 void FD31_MapOfnStructA(const LPOPENFILENAMEA ofnA, LPOPENFILENAMEW ofnW, BOOL open)
 704 {
 705     UNICODE_STRING usBuffer;
 706
 707     ofnW->lStructSize = sizeof(OPENFILENAMEW);
 708     ofnW->hwndOwner = ofnA->hwndOwner;
 709     ofnW->hInstance = ofnA->hInstance;
 710     if (ofnA->lpstrFilter)
 711         ofnW->lpstrFilter = FD31_MapStringPairsToW(ofnA->lpstrFilter, 0);
 712
 713     if ((ofnA->lpstrCustomFilter) && (*(ofnA->lpstrCustomFilter)))
 714         ofnW->lpstrCustomFilter = FD31_MapStringPairsToW(ofnA->lpstrCustomFilter, ofnA->nMaxCustFilter);
 715     ofnW->nMaxCustFilter = ofnA->nMaxCustFilter;
 716     ofnW->nFilterIndex = ofnA->nFilterIndex;
 717     ofnW->nMaxFile = ofnA->nMaxFile;
 718     ofnW->lpstrFile = FD31_DupToW(ofnA->lpstrFile, ofnW->nMaxFile);
 719     ofnW->nMaxFileTitle = ofnA->nMaxFileTitle;
 720     ofnW->lpstrFileTitle = FD31_DupToW(ofnA->lpstrFileTitle, ofnW->nMaxFileTitle);
 721     if (ofnA->lpstrInitialDir)
 722     {
 723         RtlCreateUnicodeStringFromAsciiz (&usBuffer,ofnA->lpstrInitialDir);
 724         ofnW->lpstrInitialDir = usBuffer.Buffer;
 725     }
 726     if (ofnA->lpstrTitle) {
 727         RtlCreateUnicodeStringFromAsciiz (&usBuffer, ofnA->lpstrTitle);
 728         ofnW->lpstrTitle = usBuffer.Buffer;
 729     } else {
 730         WCHAR buf[16];
 731         int len;
 732         LoadStringW(COMDLG32_hInstance, open ? IDS_OPEN_FILE : IDS_SAVE_AS,
 733                     buf, sizeof(buf)/sizeof(WCHAR));
 734         len = lstrlenW(buf)+1;
 735         ofnW->lpstrTitle = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 736         memcpy((void*)ofnW->lpstrTitle, buf, len*sizeof(WCHAR));
 737     }
 738     ofnW->Flags = ofnA->Flags;
 739     ofnW->nFileOffset = ofnA->nFileOffset;
 740     ofnW->nFileExtension = ofnA->nFileExtension;
 741     ofnW->lpstrDefExt = FD31_DupToW(ofnA->lpstrDefExt, 3);
 742     if ((ofnA->Flags & OFN_ENABLETEMPLATE) && (ofnA->lpTemplateName))
 743     {
 744         if (HIWORD(ofnA->lpTemplateName))
 745         {
 746             RtlCreateUnicodeStringFromAsciiz (&usBuffer,ofnA->lpTemplateName);
 747             ofnW->lpTemplateName = usBuffer.Buffer;
 748         }
 749         else /* numbered resource */
 750             ofnW->lpTemplateName = (LPWSTR) ofnA->lpTemplateName;
 751     }
 752 }
 753
 754
 755 /************************************************************************
 756  *                              FD31_FreeOfnW          [internal]
 757  *      Undo all allocations done by FD31_MapOfnStructA
 758  */
 759 void FD31_FreeOfnW(LPOPENFILENAMEW ofnW)
 760 {
 761    HeapFree(GetProcessHeap(), 0, (LPWSTR) ofnW->lpstrFilter);
 762    HeapFree(GetProcessHeap(), 0, ofnW->lpstrCustomFilter);
 763    HeapFree(GetProcessHeap(), 0, ofnW->lpstrFile);
 764    HeapFree(GetProcessHeap(), 0, ofnW->lpstrFileTitle);
 765    HeapFree(GetProcessHeap(), 0, (LPWSTR) ofnW->lpstrInitialDir);
 766    HeapFree(GetProcessHeap(), 0, (LPWSTR) ofnW->lpstrTitle);
 767    if ((ofnW->lpTemplateName) && (HIWORD(ofnW->lpTemplateName)))
 768        HeapFree(GetProcessHeap(), 0, (LPWSTR) ofnW->lpTemplateName);
 769 }
 770
 771 /************************************************************************
 772  *                              FD31_DestroyPrivate            [internal]
 773  *      destroys the private object
 774  */
 775 void FD31_DestroyPrivate(PFD31_DATA lfs)
 776 {
 777     HWND hwnd;
 778     if (!lfs) return;
 779     hwnd = lfs->hwnd;
 780     TRACE("destroying private allocation %p\n", lfs);
 781     lfs->callbacks->Destroy(lfs);
 782     HeapFree(GetProcessHeap(), 0, lfs);
 783     RemovePropA(hwnd, FD31_OFN_PROP);
 784 }
 785
 786 /************************************************************************
 787  *                              FD31_AllocPrivate            [internal]
 788  *      allocate a private object to hold 32 bits Unicode
 789  *      structure that will be used throughtout the calls, while
 790  *      keeping available the original structures and a few variables
 791  *      On entry : type = dialog procedure type (16,32A,32W)
 792  *                 dlgType = dialog type (open or save)
 793  */
 794 PFD31_DATA FD31_AllocPrivate(LPARAM lParam, UINT dlgType,
 795                              PFD31_CALLBACKS callbacks, DWORD data)
 796 {
 797     PFD31_DATA lfs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(FD31_DATA));
 798
 799     TRACE("alloc private buf %p\n", lfs);
 800     if (!lfs) return NULL;
 801     lfs->hook = FALSE;
 802     lfs->lParam = lParam;
 803     lfs->open = (dlgType == OPEN_DIALOG);
 804     lfs->callbacks = callbacks;
 805     if (! lfs->callbacks->Init(lParam, lfs, data))
 806     {
 807         FD31_DestroyPrivate(lfs);
 808         return NULL;
 809     }
 810     lfs->lbselchstring = RegisterWindowMessageA(LBSELCHSTRINGA);
 811     lfs->fileokstring = RegisterWindowMessageA(FILEOKSTRINGA);
 812
 813     return lfs;
 814 }
 815
 816 /***********************************************************************
 817  *                              FD31_WMInitDialog            [internal]
 818  */
 819
 820 LONG FD31_WMInitDialog(HWND hWnd, WPARAM wParam, LPARAM lParam)
 821 {
 822   int i, n;
 823   WCHAR tmpstr[BUFFILE];
 824   LPWSTR pstr, old_pstr;
 825   LPOPENFILENAMEW ofn;
 826   PFD31_DATA lfs = (PFD31_DATA) lParam;
 827
 828   if (!lfs) return FALSE;
 829   SetPropA(hWnd, FD31_OFN_PROP, (HANDLE)lfs);
 830   lfs->hwnd = hWnd;
 831   ofn = lfs->ofnW;
 832
 833   TRACE("flags=%lx initialdir=%s\n", ofn->Flags, debugstr_w(ofn->lpstrInitialDir));
 834
 835   SetWindowTextW( hWnd, ofn->lpstrTitle );
 836   /* read custom filter information */
 837   if (ofn->lpstrCustomFilter)
 838     {
 839       pstr = ofn->lpstrCustomFilter;
 840       n = 0;
 841       TRACE("lpstrCustomFilter = %p\n", pstr);
 842       while(*pstr)
 843         {
 844           old_pstr = pstr;
 845           i = SendDlgItemMessageW(hWnd, cmb1, CB_ADDSTRING, 0,
 846                                    (LPARAM)(ofn->lpstrCustomFilter) + n );
 847           n += lstrlenW(pstr) + 1;
 848           pstr += lstrlenW(pstr) + 1;
 849           TRACE("add str=%s associated to %s\n",
 850                 debugstr_w(old_pstr), debugstr_w(pstr));
 851           SendDlgItemMessageW(hWnd, cmb1, CB_SETITEMDATA, i, (LPARAM)pstr);
 852           n += lstrlenW(pstr) + 1;
 853           pstr += lstrlenW(pstr) + 1;
 854         }
 855     }
 856   /* read filter information */
 857   if (ofn->lpstrFilter) {
 858         pstr = (LPWSTR) ofn->lpstrFilter;
 859         n = 0;
 860         while(*pstr) {
 861           old_pstr = pstr;
 862           i = SendDlgItemMessageW(hWnd, cmb1, CB_ADDSTRING, 0,
 863                                        (LPARAM)(ofn->lpstrFilter + n) );
 864           n += lstrlenW(pstr) + 1;
 865           pstr += lstrlenW(pstr) + 1;
 866           TRACE("add str=%s associated to %s\n",
 867                 debugstr_w(old_pstr), debugstr_w(pstr));
 868           SendDlgItemMessageW(hWnd, cmb1, CB_SETITEMDATA, i, (LPARAM)pstr);
 869           n += lstrlenW(pstr) + 1;
 870           pstr += lstrlenW(pstr) + 1;
 871         }
 872   }
 873   /* set default filter */
 874   if (ofn->nFilterIndex == 0 && ofn->lpstrCustomFilter == NULL)
 875         ofn->nFilterIndex = 1;
 876   SendDlgItemMessageW(hWnd, cmb1, CB_SETCURSEL, ofn->nFilterIndex - 1, 0);
 877   lstrcpynW(tmpstr, FD31_GetFileType(ofn->lpstrCustomFilter,
 878              (LPWSTR)ofn->lpstrFilter, ofn->nFilterIndex - 1),BUFFILE);
 879   TRACE("nFilterIndex = %ld, SetText of edt1 to %s\n",
 880                         ofn->nFilterIndex, debugstr_w(tmpstr));
 881   SetDlgItemTextW( hWnd, edt1, tmpstr );
 882   /* get drive list */
 883   *tmpstr = 0;
 884   DlgDirListComboBoxW(hWnd, tmpstr, cmb2, 0, DDL_DRIVES | DDL_EXCLUSIVE);
 885   /* read initial directory */
 886   /* FIXME: Note that this is now very version-specific (See MSDN description of
 887    * the OPENFILENAME structure).  For example under 2000/XP any path in the
 888    * lpstrFile overrides the lpstrInitialDir, but not under 95/98/ME
 889    */
 890   if (ofn->lpstrInitialDir != NULL)
 891     {
 892       int len;
 893       lstrcpynW(tmpstr, ofn->lpstrInitialDir, 511);
 894       len = lstrlenW(tmpstr);
 895       if (len > 0 && tmpstr[len-1] != '\\'  && tmpstr[len-1] != ':') {
 896         tmpstr[len]='\\';
 897         tmpstr[len+1]='\0';
 898       }
 899     }
 900   else
 901     *tmpstr = 0;
 902   if (!FD31_ScanDir(hWnd, tmpstr)) {
 903     *tmpstr = 0;
 904     if (!FD31_ScanDir(hWnd, tmpstr))
 905       WARN("Couldn't read initial directory %s!\n", debugstr_w(tmpstr));
 906   }
 907   /* select current drive in combo 2, omit missing drives */
 908   {
 909       char dir[MAX_PATH];
 910       char str[4] = "a:\\";
 911       GetCurrentDirectoryA( sizeof(dir), dir );
 912       for(i = 0, n = -1; i < 26; i++)
 913       {
 914           str[0] = 'a' + i;
 915           if (GetDriveTypeA(str) > DRIVE_NO_ROOT_DIR) n++;
 916           if (toupper(str[0]) == toupper(dir[0])) break;
 917       }
 918   }
 919   SendDlgItemMessageW(hWnd, cmb2, CB_SETCURSEL, n, 0);
 920   if (!(ofn->Flags & OFN_SHOWHELP))
 921     ShowWindow(GetDlgItem(hWnd, pshHelp), SW_HIDE);
 922   if (ofn->Flags & OFN_HIDEREADONLY)
 923     ShowWindow(GetDlgItem(hWnd, chx1), SW_HIDE);
 924   if (lfs->hook)
 925       return (BOOL) FD31_CallWindowProc(lfs, WM_INITDIALOG, wParam, lfs->lParam);
 926   return TRUE;
 927 }
 928
 929 int FD31_GetFldrHeight(void)
 930 {
 931   return fldrHeight;
 932 }