dlls/commdlg.dll16/filedlg.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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <assert.h>
  23 #include <stdarg.h>
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wine/winbase16.h"
  27 #include "wingdi.h"
  28 #include "winuser.h"
  29 #include "winternl.h"
  30 #include "commdlg.h"
  31 #include "cdlg16.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
  35
  36
  37 static inline WORD get_word( const char **ptr )
  38 {
  39     WORD ret = *(WORD *)*ptr;
  40     *ptr += sizeof(WORD);
  41     return ret;
  42 }
  43
  44 static inline void copy_string( WORD **out, const char **in, DWORD maxlen )
  45 {
  46     DWORD len = MultiByteToWideChar( CP_ACP, 0, *in, -1, *out, maxlen );
  47     *in += strlen(*in) + 1;
  48     *out += len;
  49 }
  50
  51 static inline void copy_dword( WORD **out, const char **in )
  52 {
  53     *(DWORD *)*out = *(DWORD *)*in;
  54     *in += sizeof(DWORD);
  55     *out += sizeof(DWORD) / sizeof(WORD);
  56 }
  57
  58 static LPDLGTEMPLATEA convert_dialog( const char *p, DWORD size )
  59 {
  60     LPDLGTEMPLATEA dlg;
  61     WORD len, count, *out, *end;
  62
  63     if (!(dlg = HeapAlloc( GetProcessHeap(), 0, size * 2 ))) return NULL;
  64     out = (WORD *)dlg;
  65     end = out + size;
  66     copy_dword( &out, &p );  /* style */
  67     *out++ = 0; *out++ = 0;  /* exstyle */
  68     *out++ = count = (BYTE)*p++;  /* count */
  69     *out++ = get_word( &p );  /* x */
  70     *out++ = get_word( &p );  /* y */
  71     *out++ = get_word( &p );  /* cx */
  72     *out++ = get_word( &p );  /* cy */
  73
  74     if ((BYTE)*p == 0xff)  /* menu */
  75     {
  76         p++;
  77         *out++ = 0xffff;
  78         *out++ = get_word( &p );
  79     }
  80     else copy_string( &out, &p, end - out );
  81
  82     copy_string( &out, &p, end - out );  /* class */
  83     copy_string( &out, &p, end - out );  /* caption */
  84
  85     if (dlg->style & DS_SETFONT)
  86     {
  87         *out++ = get_word( &p );  /* point size */
  88         copy_string( &out, &p, end - out );  /* face name */
  89     }
  90
  91     /* controls */
  92     while (count--)
  93     {
  94         WORD x = get_word( &p );
  95         WORD y = get_word( &p );
  96         WORD cx = get_word( &p );
  97         WORD cy = get_word( &p );
  98         WORD id = get_word( &p );
  99
 100         out = (WORD *)(((UINT_PTR)out + 3) & ~3);
 101
 102         copy_dword( &out, &p );  /* style */
 103         *out++ = 0; *out++ = 0;  /* exstyle */
 104         *out++ = x;
 105         *out++ = y;
 106         *out++ = cx;
 107         *out++ = cy;
 108         *out++ = id;
 109
 110         if (*p & 0x80)  /* class */
 111         {
 112             *out++ = 0xffff;
 113             *out++ = (BYTE)*p++;
 114         }
 115         else copy_string( &out, &p, end - out );
 116
 117         if (*p & 0x80)  /* window */
 118         {
 119             *out++ = 0xffff;
 120             *out++ = get_word( &p );
 121         }
 122         else copy_string( &out, &p, end - out );
 123
 124         len = (BYTE)*p++;  /* data */
 125         *out++ = (len + 1) & ~1;
 126         memcpy( out, p, len );
 127         p += len;
 128         out += (len + 1) / sizeof(WORD);
 129     }
 130
 131     assert( out <= end );
 132     return dlg;
 133 }
 134
 135 static UINT_PTR CALLBACK dummy_hook( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp )
 136 {
 137     return FALSE;
 138 }
 139
 140 /***********************************************************************
 141  *           FileOpenDlgProc   (COMMDLG.6)
 142  */
 143 BOOL16 CALLBACK FileOpenDlgProc16(HWND16 hWnd16, UINT16 wMsg, WPARAM16 wParam, LPARAM lParam)
 144 {
 145     FIXME( "%04x %04x %04x %08lx: stub\n", hWnd16, wMsg, wParam, lParam );
 146     return FALSE;
 147 }
 148
 149 /***********************************************************************
 150  *           FileSaveDlgProc   (COMMDLG.7)
 151  */
 152 BOOL16 CALLBACK FileSaveDlgProc16(HWND16 hWnd16, UINT16 wMsg, WPARAM16 wParam, LPARAM lParam)
 153 {
 154     FIXME( "%04x %04x %04x %08lx: stub\n", hWnd16, wMsg, wParam, lParam );
 155     return FALSE;
 156 }
 157
 158 /***********************************************************************
 159  *           GetOpenFileName   (COMMDLG.1)
 160  *
 161  * Creates a dialog box for the user to select a file to open.
 162  *
 163  * RETURNS
 164  *    TRUE on success: user selected a valid file
 165  *    FALSE on cancel, error, close or filename-does-not-fit-in-buffer.
 166  *
 167  * BUGS
 168  *    unknown, there are some FIXMEs left.
 169  */
 170 BOOL16 WINAPI GetOpenFileName16( SEGPTR ofn ) /* [in/out] address of structure with data*/
 171 {
 172     LPOPENFILENAME16 lpofn = MapSL(ofn);
 173     LPDLGTEMPLATEA template = NULL;
 174     OPENFILENAMEA ofn32;
 175     BOOL ret;
 176
 177     if (!lpofn) return FALSE;
 178
 179     ofn32.lStructSize       = OPENFILENAME_SIZE_VERSION_400A;
 180     ofn32.hwndOwner         = HWND_32( lpofn->hwndOwner );
 181     ofn32.lpstrFilter       = MapSL( lpofn->lpstrFilter );
 182     ofn32.lpstrCustomFilter = MapSL( lpofn->lpstrCustomFilter );
 183     ofn32.nMaxCustFilter    = lpofn->nMaxCustFilter;
 184     ofn32.nFilterIndex      = lpofn->nFilterIndex;
 185     ofn32.lpstrFile         = MapSL( lpofn->lpstrFile );
 186     ofn32.nMaxFile          = lpofn->nMaxFile;
 187     ofn32.lpstrFileTitle    = MapSL( lpofn->lpstrFileTitle );
 188     ofn32.nMaxFileTitle     = lpofn->nMaxFileTitle;
 189     ofn32.lpstrInitialDir   = MapSL( lpofn->lpstrInitialDir );
 190     ofn32.lpstrTitle        = MapSL( lpofn->lpstrTitle );
 191     ofn32.Flags             = (lpofn->Flags & ~OFN_ENABLETEMPLATE) | OFN_ENABLEHOOK;
 192     ofn32.nFileOffset       = lpofn->nFileOffset;
 193     ofn32.nFileExtension    = lpofn->nFileExtension;
 194     ofn32.lpstrDefExt       = MapSL( lpofn->lpstrDefExt );
 195     ofn32.lCustData         = lpofn->lCustData;
 196     ofn32.lpfnHook          = dummy_hook;  /* this is to force old 3.1 dialog style */
 197
 198     if (lpofn->Flags & OFN_ENABLETEMPLATE)
 199     {
 200         HRSRC16 res = FindResource16( lpofn->hInstance, MapSL(lpofn->lpTemplateName), (LPCSTR)RT_DIALOG );
 201         HGLOBAL16 handle = LoadResource16( lpofn->hInstance, res );
 202         DWORD size = SizeofResource16( lpofn->hInstance, res );
 203         void *ptr = LockResource16( handle );
 204
 205         if (ptr && (template = convert_dialog( ptr, size )))
 206         {
 207             ofn32.hInstance = (HINSTANCE)template;
 208             ofn32.Flags |= OFN_ENABLETEMPLATEHANDLE;
 209         }
 210         FreeResource16( handle );
 211     }
 212
 213     if (lpofn->Flags & OFN_ENABLEHOOK)
 214         FIXME( "custom hook %p no longer supported\n", lpofn->lpfnHook );
 215
 216     if ((ret = GetOpenFileNameA( &ofn32 )))
 217     {
 218         lpofn->nFilterIndex   = ofn32.nFilterIndex;
 219         lpofn->nFileOffset    = ofn32.nFileOffset;
 220         lpofn->nFileExtension = ofn32.nFileExtension;
 221     }
 222     HeapFree( GetProcessHeap(), 0, template );
 223     return ret;
 224 }
 225
 226 /***********************************************************************
 227  *           GetSaveFileName   (COMMDLG.2)
 228  *
 229  * Creates a dialog box for the user to select a file to save.
 230  *
 231  * RETURNS
 232  *    TRUE on success: user enters a valid file
 233  *    FALSE on cancel, error, close or filename-does-not-fit-in-buffer.
 234  *
 235  * BUGS
 236  *    unknown. There are some FIXMEs left.
 237  */
 238 BOOL16 WINAPI GetSaveFileName16( SEGPTR ofn ) /* [in/out] address of structure with data*/
 239 {
 240     LPOPENFILENAME16 lpofn = MapSL(ofn);
 241     LPDLGTEMPLATEA template = NULL;
 242     OPENFILENAMEA ofn32;
 243     BOOL ret;
 244
 245     if (!lpofn) return FALSE;
 246
 247     ofn32.lStructSize       = OPENFILENAME_SIZE_VERSION_400A;
 248     ofn32.hwndOwner         = HWND_32( lpofn->hwndOwner );
 249     ofn32.lpstrFilter       = MapSL( lpofn->lpstrFilter );
 250     ofn32.lpstrCustomFilter = MapSL( lpofn->lpstrCustomFilter );
 251     ofn32.nMaxCustFilter    = lpofn->nMaxCustFilter;
 252     ofn32.nFilterIndex      = lpofn->nFilterIndex;
 253     ofn32.lpstrFile         = MapSL( lpofn->lpstrFile );
 254     ofn32.nMaxFile          = lpofn->nMaxFile;
 255     ofn32.lpstrFileTitle    = MapSL( lpofn->lpstrFileTitle );
 256     ofn32.nMaxFileTitle     = lpofn->nMaxFileTitle;
 257     ofn32.lpstrInitialDir   = MapSL( lpofn->lpstrInitialDir );
 258     ofn32.lpstrTitle        = MapSL( lpofn->lpstrTitle );
 259     ofn32.Flags             = (lpofn->Flags & ~OFN_ENABLETEMPLATE) | OFN_ENABLEHOOK;
 260     ofn32.nFileOffset       = lpofn->nFileOffset;
 261     ofn32.nFileExtension    = lpofn->nFileExtension;
 262     ofn32.lpstrDefExt       = MapSL( lpofn->lpstrDefExt );
 263     ofn32.lCustData         = lpofn->lCustData;
 264     ofn32.lpfnHook          = dummy_hook;  /* this is to force old 3.1 dialog style */
 265
 266     if (lpofn->Flags & OFN_ENABLETEMPLATE)
 267     {
 268         HRSRC16 res = FindResource16( lpofn->hInstance, MapSL(lpofn->lpTemplateName), (LPCSTR)RT_DIALOG );
 269         HGLOBAL16 handle = LoadResource16( lpofn->hInstance, res );
 270         DWORD size = SizeofResource16( lpofn->hInstance, res );
 271         void *ptr = LockResource16( handle );
 272
 273         if (ptr && (template = convert_dialog( ptr, size )))
 274         {
 275             ofn32.hInstance = (HINSTANCE)template;
 276             ofn32.Flags |= OFN_ENABLETEMPLATEHANDLE;
 277         }
 278         FreeResource16( handle );
 279     }
 280
 281     if (lpofn->Flags & OFN_ENABLEHOOK)
 282         FIXME( "custom hook %p no longer supported\n", lpofn->lpfnHook );
 283
 284     if ((ret = GetSaveFileNameA( &ofn32 )))
 285     {
 286         lpofn->nFilterIndex   = ofn32.nFilterIndex;
 287         lpofn->nFileOffset    = ofn32.nFileOffset;
 288         lpofn->nFileExtension = ofn32.nFileExtension;
 289     }
 290     HeapFree( GetProcessHeap(), 0, template );
 291     return ret;
 292 }
 293
 294
 295 /***********************************************************************
 296  *      GetFileTitle            (COMMDLG.27)
 297  */
 298 short WINAPI GetFileTitle16(LPCSTR lpFile, LPSTR lpTitle, UINT16 cbBuf)
 299 {
 300         return GetFileTitleA(lpFile, lpTitle, cbBuf);
 301 }