wine/windows/winhelp.c
1999-02-26 11:11:13 +00:00

126 lines
2.9 KiB
C

/*
* Windows Help
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "debug.h"
#include "wine/winuser16.h"
#include "wine/winbase16.h"
#include "heap.h"
#include "ldt.h"
/**********************************************************************
* WinHelp16 (USER.171)
*/
BOOL16 WINAPI WinHelp16( HWND16 hWnd, LPCSTR lpHelpFile, UINT16 wCommand,
DWORD dwData )
{
return WinHelpA( hWnd, lpHelpFile, wCommand,
(DWORD)PTR_SEG_TO_LIN(dwData) );
}
/**********************************************************************
* WinHelp32A (USER32.579)
*/
BOOL WINAPI WinHelpA( HWND hWnd, LPCSTR lpHelpFile, UINT wCommand,
DWORD dwData )
{
static WORD WM_WINHELP = 0;
HWND hDest;
LPWINHELP lpwh;
HGLOBAL16 hwh;
int size,dsize,nlen;
if (wCommand != HELP_QUIT) /* FIXME */
{
if (WinExec("winhelp.exe -x",SW_SHOWNORMAL) <= 32)
return FALSE;
/* NOTE: Probably, this should be directed yield,
to let winhelp open the window in all cases. */
Yield16();
}
if(!WM_WINHELP)
{
WM_WINHELP=RegisterWindowMessageA("WM_WINHELP");
if(!WM_WINHELP)
return FALSE;
}
hDest = FindWindowA( "MS_WINHELP", NULL );
if(!hDest)
{
if(wCommand == HELP_QUIT)
return TRUE;
else
return FALSE;
}
switch(wCommand)
{
case HELP_CONTEXT:
case HELP_SETCONTENTS:
case HELP_CONTENTS:
case HELP_CONTEXTPOPUP:
case HELP_FORCEFILE:
case HELP_HELPONHELP:
case HELP_FINDER:
case HELP_QUIT:
dsize=0;
break;
case HELP_KEY:
case HELP_PARTIALKEY:
case HELP_COMMAND:
dsize = strlen( (LPSTR)dwData )+1;
break;
case HELP_MULTIKEY:
dsize = ((LPMULTIKEYHELP)dwData)->mkSize;
break;
case HELP_SETWINPOS:
dsize = ((LPHELPWININFO)dwData)->wStructSize;
break;
default:
WARN( win,"Unknown help command %d\n",wCommand);
return FALSE;
}
if(lpHelpFile)
nlen = strlen(lpHelpFile)+1;
else
nlen = 0;
size = sizeof(WINHELP) + nlen + dsize;
hwh = GlobalAlloc16(0,size);
lpwh = GlobalLock16(hwh);
lpwh->size = size;
lpwh->command = wCommand;
lpwh->data = dwData;
if(nlen) {
strcpy(((char*)lpwh) + sizeof(WINHELP),lpHelpFile);
lpwh->ofsFilename = sizeof(WINHELP);
} else
lpwh->ofsFilename = 0;
if(dsize) {
memcpy(((char*)lpwh)+sizeof(WINHELP)+nlen,(LPSTR)dwData,dsize);
lpwh->ofsData = sizeof(WINHELP)+nlen;
} else
lpwh->ofsData = 0;
GlobalUnlock16(hwh);
return SendMessage16(hDest,WM_WINHELP,hWnd,hwh);
}
/**********************************************************************
* WinHelp32W (USER32.580)
*/
BOOL WINAPI WinHelpW( HWND hWnd, LPCWSTR helpFile, UINT command,
DWORD dwData )
{
LPSTR file = HEAP_strdupWtoA( GetProcessHeap(), 0, helpFile );
BOOL ret = WinHelpA( hWnd, file, command, dwData );
HeapFree( GetProcessHeap(), 0, file );
return ret;
}