mirror of
git://source.winehq.org/git/wine.git
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153 lines
3.4 KiB
C
153 lines
3.4 KiB
C
/*
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* Windows Help
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "debugtools.h"
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/winuser16.h"
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#include "wine/winbase16.h"
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#include "heap.h"
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DEFAULT_DEBUG_CHANNEL(win);
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/* WinHelp internal structure */
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typedef struct
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{
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WORD size;
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WORD command;
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LONG data;
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LONG reserved;
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WORD ofsFilename;
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WORD ofsData;
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} WINHELP,*LPWINHELP;
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/**********************************************************************
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* WinHelp (USER.171)
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*/
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BOOL16 WINAPI WinHelp16( HWND16 hWnd, LPCSTR lpHelpFile, UINT16 wCommand,
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DWORD dwData )
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{
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BOOL ret;
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DWORD mutex_count;
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/* We might call WinExec() */
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ReleaseThunkLock( &mutex_count );
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if (!(ret = WinHelpA( hWnd, lpHelpFile, wCommand, (DWORD)MapSL(dwData) )))
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{
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/* try to start the 16-bit winhelp */
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if (WinExec( "winhelp.exe -x", SW_SHOWNORMAL ) >= 32)
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{
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K32WOWYield16();
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ret = WinHelpA( hWnd, lpHelpFile, wCommand, (DWORD)MapSL(dwData) );
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}
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}
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RestoreThunkLock( mutex_count );
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return ret;
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}
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/**********************************************************************
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* WinHelpA (USER32.@)
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*/
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BOOL WINAPI WinHelpA( HWND hWnd, LPCSTR lpHelpFile, UINT wCommand,
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DWORD dwData )
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{
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static WORD WM_WINHELP = 0;
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HWND hDest;
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LPWINHELP lpwh;
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HGLOBAL16 hwh;
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int size,dsize,nlen;
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if(!WM_WINHELP)
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{
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WM_WINHELP=RegisterWindowMessageA("WM_WINHELP");
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if(!WM_WINHELP)
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return FALSE;
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}
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hDest = FindWindowA( "MS_WINHELP", NULL );
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if(!hDest) {
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if(wCommand == HELP_QUIT) return TRUE;
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if (WinExec ( "winhlp32.exe -x", SW_SHOWNORMAL ) < 32) {
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FIXME("cant start winhlp32.exe -x?\n");
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return FALSE;
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}
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if ( ! ( hDest = FindWindowA ( "MS_WINHELP", NULL ) )) {
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FIXME("did not find MS_WINHELP\n");
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return FALSE;
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}
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}
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switch(wCommand)
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{
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case HELP_CONTEXT:
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case HELP_SETCONTENTS:
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case HELP_CONTENTS:
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case HELP_CONTEXTPOPUP:
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case HELP_FORCEFILE:
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case HELP_HELPONHELP:
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case HELP_FINDER:
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case HELP_QUIT:
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dsize=0;
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break;
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case HELP_KEY:
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case HELP_PARTIALKEY:
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case HELP_COMMAND:
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dsize = dwData ? strlen( (LPSTR)dwData )+1: 0;
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break;
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case HELP_MULTIKEY:
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dsize = ((LPMULTIKEYHELPA)dwData)->mkSize;
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break;
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case HELP_SETWINPOS:
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dsize = ((LPHELPWININFOA)dwData)->wStructSize;
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break;
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default:
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FIXME("Unknown help command %d\n",wCommand);
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return FALSE;
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}
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if(lpHelpFile)
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nlen = strlen(lpHelpFile)+1;
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else
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nlen = 0;
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size = sizeof(WINHELP) + nlen + dsize;
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hwh = GlobalAlloc16(0,size);
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lpwh = GlobalLock16(hwh);
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lpwh->size = size;
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lpwh->command = wCommand;
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lpwh->data = dwData;
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if(nlen) {
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strcpy(((char*)lpwh) + sizeof(WINHELP),lpHelpFile);
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lpwh->ofsFilename = sizeof(WINHELP);
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} else
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lpwh->ofsFilename = 0;
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if(dsize) {
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memcpy(((char*)lpwh)+sizeof(WINHELP)+nlen,(LPSTR)dwData,dsize);
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lpwh->ofsData = sizeof(WINHELP)+nlen;
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} else
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lpwh->ofsData = 0;
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GlobalUnlock16(hwh);
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return SendMessage16(hDest,WM_WINHELP,hWnd,hwh);
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}
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/**********************************************************************
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* WinHelpW (USER32.@)
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*/
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BOOL WINAPI WinHelpW( HWND hWnd, LPCWSTR helpFile, UINT command,
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DWORD dwData )
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{
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LPSTR file = HEAP_strdupWtoA( GetProcessHeap(), 0, helpFile );
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BOOL ret = WinHelpA( hWnd, file, command, dwData );
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HeapFree( GetProcessHeap(), 0, file );
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return ret;
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}
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