4 * Copyright 1996 Martin von Loewis
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "wine/debug.h"
28 #include "wine/winuser16.h"
29 #include "wine/winbase16.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(win
);
35 /* WinHelp internal structure */
46 /**********************************************************************
49 BOOL16 WINAPI
WinHelp16( HWND16 hWnd
, LPCSTR lpHelpFile
, UINT16 wCommand
,
55 /* We might call WinExec() */
56 ReleaseThunkLock( &mutex_count
);
58 if (!(ret
= WinHelpA( WIN_Handle32(hWnd
), lpHelpFile
, wCommand
, (DWORD
)MapSL(dwData
) )))
60 /* try to start the 16-bit winhelp */
61 if (WinExec( "winhelp.exe -x", SW_SHOWNORMAL
) >= 32)
64 ret
= WinHelpA( WIN_Handle32(hWnd
), lpHelpFile
, wCommand
, (DWORD
)MapSL(dwData
) );
68 RestoreThunkLock( mutex_count
);
73 /**********************************************************************
76 BOOL WINAPI
WinHelpA( HWND hWnd
, LPCSTR lpHelpFile
, UINT wCommand
,
79 static WORD WM_WINHELP
= 0;
88 WM_WINHELP
=RegisterWindowMessageA("WM_WINHELP");
93 hDest
= FindWindowA( "MS_WINHELP", NULL
);
95 if(wCommand
== HELP_QUIT
) return TRUE
;
96 if (WinExec ( "winhlp32.exe -x", SW_SHOWNORMAL
) < 32) {
97 ERR("can't start winhlp32.exe -x ?\n");
100 if ( ! ( hDest
= FindWindowA ( "MS_WINHELP", NULL
) )) {
101 FIXME("did not find MS_WINHELP (FindWindow() failed, maybe global window handling still unimplemented)\n");
110 case HELP_SETCONTENTS
:
112 case HELP_CONTEXTPOPUP
:
114 case HELP_HELPONHELP
:
120 case HELP_PARTIALKEY
:
122 dsize
= dwData
? strlen( (LPSTR
)dwData
)+1: 0;
125 dsize
= ((LPMULTIKEYHELPA
)dwData
)->mkSize
;
128 dsize
= ((LPHELPWININFOA
)dwData
)->wStructSize
;
131 FIXME("Unknown help command %d\n",wCommand
);
135 nlen
= strlen(lpHelpFile
)+1;
138 size
= sizeof(WINHELP
) + nlen
+ dsize
;
139 hwh
= GlobalAlloc16(0,size
);
140 lpwh
= GlobalLock16(hwh
);
142 lpwh
->command
= wCommand
;
145 strcpy(((char*)lpwh
) + sizeof(WINHELP
),lpHelpFile
);
146 lpwh
->ofsFilename
= sizeof(WINHELP
);
148 lpwh
->ofsFilename
= 0;
150 memcpy(((char*)lpwh
)+sizeof(WINHELP
)+nlen
,(LPSTR
)dwData
,dsize
);
151 lpwh
->ofsData
= sizeof(WINHELP
)+nlen
;
155 return SendMessage16(hDest
,WM_WINHELP
,hWnd
,hwh
);
159 /**********************************************************************
160 * WinHelpW (USER32.@)
162 BOOL WINAPI
WinHelpW( HWND hWnd
, LPCWSTR helpFile
, UINT command
, DWORD dwData
)
168 if (!helpFile
) return WinHelpA( hWnd
, NULL
, command
, dwData
);
170 len
= WideCharToMultiByte( CP_ACP
, 0, helpFile
, -1, NULL
, 0, NULL
, NULL
);
171 if ((file
= HeapAlloc( GetProcessHeap(), 0, len
)))
173 WideCharToMultiByte( CP_ACP
, 0, helpFile
, -1, file
, len
, NULL
, NULL
);
174 ret
= WinHelpA( hWnd
, file
, command
, dwData
);
175 HeapFree( GetProcessHeap(), 0, file
);