virtcopy.c

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    vfsDst.vhstrFileName = vsmStringAdd16(lpszDstFileName);

    return VCP_VirtnodeCreate(&vfsSrc, &vfsDst, VNFL_RENAME, lParam,
		    0);
}

/***********************************************************************
 *		VcpEnumFiles (SETUPX.@)
 */
INT16 WINAPI VcpEnumFiles(VCPENUMPROC vep, LPARAM lParamRef)
{
    WORD n;

    for (n = 0; n < vn_last; n++)
	vep(pvnlist[n], lParamRef);

    return 0; /* FIXME: return value ? */
}

/***********************************************************************
 *		VcpExplain (SETUPX.411)
 */
LPCSTR WINAPI VcpExplain16(LPVIRTNODE lpVn, DWORD dwWhat)
{
    static char buffer[MAX_PATH]; /* FIXME: is this how it's done ? */
    buffer[0] = '\0';
    switch (dwWhat)
    {
	case VCPEX_SRC_FULL:
	case VCPEX_DST_FULL:
	    {
		LPVCPFILESPEC lpvfs =
		    (dwWhat == VCPEX_SRC_FULL) ?  &lpVn->vfsSrc : &lpVn->vfsDst;

                /* if we have an ldid, use it, otherwise use the string */
                /* from the vhstrlist array */
		if (lpvfs->ldid != 0xffff)
                  CtlGetLddPath16(lpvfs->ldid, buffer);
                else
                  strcat(buffer, vsmGetStringRawName16(lpvfs->vhstrDir));

                strcat(buffer, "\\");
                strcat(buffer, vsmGetStringRawName16(lpvfs->vhstrFileName));
	    }
	    break;
	default:
	    FIXME("%ld unimplemented !\n", dwWhat);
	    strcpy(buffer, "Unknown error");
	    break;
    }
    return buffer;
}

static RETERR16 VCP_CheckPaths(void)
{
    DWORD n;
    LPVIRTNODE lpvn;
    RETERR16 cbres;

    cbres = VCP_Callback(&vcp_status, VCPM_VSTATPATHCHECKSTART, 0, 0, VCP_MsgRef);
    for (n = 0; n < vn_num; n++)
    {
	lpvn = pvnlist[n];
	if (!lpvn) continue;
        /* FIXME: check paths of all VIRTNODEs here ! */
	cbres = VCP_Callback(&lpvn->vfsDst, VCPM_CHECKPATH, 0, (DWORD)lpvn, VCP_MsgRef);
    }
    cbres = VCP_Callback(&vcp_status, VCPM_VSTATPATHCHECKEND, 0, 0, VCP_MsgRef);
    return OK;
}

static RETERR16 VCP_CopyFiles(void)
{
    char fn_src[MAX_PATH], fn_dst[MAX_PATH];
    RETERR16 res = OK, cbres;
    DWORD n;
    LPVIRTNODE lpvn;

    cbres = VCP_Callback(&vcp_status, VCPM_VSTATCOPYSTART, 0, 0, VCP_MsgRef);
    for (n = 0; n < vn_num; n++)
    {
	lpvn = pvnlist[n];
	if ((!lpvn) || ((lpvn->fl & VNFL_NODE_TYPE) != VNFL_COPY)) continue;
	/* FIXME: need to send VCPM_VSTATNEWDISK notification sometimes */
        strcpy(fn_src, VcpExplain16(lpvn, VCPEX_SRC_FULL));
        strcpy(fn_dst, VcpExplain16(lpvn, VCPEX_DST_FULL));
	/* FIXME: what is this VCPM_VSTATWRITE here for ?
	 * I guess it's to signal successful destination file creation */
	cbres = VCP_Callback(&vcp_status, VCPM_VSTATWRITE, 0, 0, VCP_MsgRef);

	/* FIXME: need to do the file copy in small chunks for notifications */
	TRACE("copying '%s' to '%s'\n", fn_src, fn_dst);
        /* perform the file copy */
        if (!(CopyFileA(fn_src, fn_dst,
	       (lpvn->fl & VNLP_COPYIFEXISTS) ? FALSE : TRUE )))
        {
            ERR("error copying, src: %s -> dst: %s\n", fn_src, fn_dst);
	    res = ERR_VCP_IOFAIL;
        }

	vcp_status.prgFileRead.dwSoFar++;
	cbres = VCP_Callback(&vcp_status, VCPM_VSTATREAD, 0, 0, VCP_MsgRef);
	vcp_status.prgFileWrite.dwSoFar++;
	cbres = VCP_Callback(&vcp_status, VCPM_VSTATWRITE, 0, 0, VCP_MsgRef);
    }

    cbres = VCP_Callback(&vcp_status, VCPM_VSTATCOPYEND, 0, 0, VCP_MsgRef);
    return res;
}

/***********************************************************************
 *		VcpFlush - internal (not exported), but documented
 *
 * VNFL_NOW is used for VcpFlush.
 */
RETERR16 VcpFlush16(WORD fl, LPCSTR lpszBackupDest)
{
    return OK;
}

/***********************************************************************
 *		VcpClose (SETUPX.201)
 *
 * Does callbacks (-> vifproc) with VCPM_VSTATCLOSESTART,
 * VCPM_VSTATCLOSEEND.
 *
 * fl gets VCPFL_xxx flags to indicate what to do with the
 * VIRTNODEs (files to mess with) created by e.g. GenInstall()
 */
RETERR16 WINAPI VcpClose16(WORD fl, LPCSTR lpszBackupDest)
{
    RETERR16 res = OK;
    WORD cbres = VCPN_PROCEED;

    TRACE("(%04x, '%s')\n", fl, lpszBackupDest);

    /* FIXME: needs to sort virtnodes in case VCPFL_INSPECIFIEDORDER
     * is not set. This is done by VCP_Callback(VCPM_NODECOMPARE) */

    TRACE("#1\n");
    memset(&vcp_status, 0, sizeof(VCPSTATUS));
    /* yes, vcp_status.cbSize is 0 ! */
    TRACE("#2\n");
    cbres = VCP_Callback(&vcp_status, VCPM_VSTATCLOSESTART, 0, 0, VCP_MsgRef);
    TRACE("#3\n");

    res = VCP_CheckPaths();
    TRACE("#4\n");
    if (res != OK)
	return res; /* is this ok ? */
    VCP_CopyFiles();

    TRACE("#5\n");
    cbres = VCP_Callback(&vcp_status, VCPM_VSTATCLOSEEND, 0, 0, VCP_MsgRef);
    TRACE("#6\n");
    VCP_Proc = NULL;
    VCP_opened = FALSE;
    return OK;
}

#if 0
static RETERR16 VCP_RenameFiles(void)
{
    char fn_src[MAX_PATH], fn_dst[MAX_PATH];
    RETERR16 res = OK, cbres;
    DWORD n;
    LPVIRTNODE lpvn;

    cbres = VCP_Callback(&vcp_status, VCPM_VSTATRENAMESTART, 0, 0, VCP_MsgRef);
    for (n = 0; n < vn_num; n++)
    {
	lpvn = pvnlist[n];
	if ((!lpvn) || ((lpvn->fl & VNFL_NODE_TYPE) != VNFL_RENAME)) continue;
        strcpy(fn_src, VcpExplain16(lpvn, VCPEX_SRC_FULL));
        strcpy(fn_dst, VcpExplain16(lpvn, VCPEX_DST_FULL));
	cbres = VCP_Callback(&lpvn->vfsDst, VCPM_FILEOPENOUT, 0, (LPARAM)lpvn, VCP_MsgRef);
        if (!(MoveFileExA(fn_src, fn_dst, MOVEFILE_REPLACE_EXISTING)))
	    res = ERR_VCP_IOFAIL;
	else
	    VCP_VirtnodeDelete(lpvn);
    }
    cbres = VCP_Callback(&vcp_status, VCPM_VSTATRENAMEEND, 0, 0, VCP_MsgRef);
    return res;
}
#endif

/***********************************************************************
 *		vcpDefCallbackProc (SETUPX.202)
 */
RETERR16 WINAPI vcpDefCallbackProc16(LPVOID lpvObj, UINT16 uMsg, WPARAM wParam,
					LPARAM lParam, LPARAM lParamRef)
{
    static int count = 0;
    if (count < 10)
        FIXME("(%p, %04x, %04x, %08lx, %08lx) - what to do here ?\n",
		lpvObj, uMsg, wParam, lParam, lParamRef);
    count++;
    return OK;
}

/********************* point-and-click stuff from here ***********************/

static HWND hDlgCopy = 0;
static HKEY hKeyFiles = 0, hKeyRename = 0, hKeyConflict = 0;
static char BackupDir[12];

static INT_PTR CALLBACK VCP_UI_FileCopyDlgProc(HWND hWndDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    INT_PTR retval = FALSE;

    if (iMsg == WM_INITDIALOG)
    {
        ShowWindow(hWndDlg, SW_SHOWNORMAL);
        UpdateWindow(hWndDlg);
	retval = TRUE;
    }
    return retval;
}

static BOOL VCP_UI_GetDialogTemplate(LPCVOID *template32)
{
    HRSRC hResInfo;
    HGLOBAL hDlgTmpl32;

    if (!(hResInfo = FindResourceA(SETUPAPI_hInstance, MAKEINTRESOURCEA(COPYFILEDLGORD), (LPSTR)RT_DIALOG)))
	return FALSE;
    if (!(hDlgTmpl32 = LoadResource(SETUPAPI_hInstance, hResInfo )) ||
        !(*template32 = LockResource( hDlgTmpl32 )))
	return FALSE;
    return TRUE;
}

static LRESULT WINAPI
VCP_UI_FileCopyWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    if (uMsg != WM_CREATE)
        return DefWindowProcA (hwnd, uMsg, wParam, lParam);

    switch (uMsg)
    {
	case WM_CREATE:
	    return 0;
	default:
	    FIXME("%04x: unhandled.\n", uMsg);
    }

    return 0;
}

static void VCP_UI_RegisterProgressClass(void)
{
    static BOOL registered = FALSE;
    WNDCLASSA wndClass;

    if (registered)
	return;

    registered = TRUE;
    ZeroMemory (&wndClass, sizeof(WNDCLASSA));
    wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
    wndClass.lpfnWndProc   = VCP_UI_FileCopyWndProc;
    wndClass.cbClsExtra    = 0;
    wndClass.cbWndExtra    = 0;
    wndClass.hCursor       = LoadCursorA (0, (LPSTR)IDC_ARROW);
    wndClass.hbrBackground = NULL;
    wndClass.lpszClassName = "setupx_progress";

    RegisterClassA (&wndClass);
}

static RETERR16 VCP_UI_NodeCompare(LPVIRTNODE vn1, LPVIRTNODE vn2)
{
    LPCSTR file1, file2;
    file1 = vsmGetStringRawName16(vn1->vfsSrc.vhstrFileName);
    file2 = vsmGetStringRawName16(vn2->vfsSrc.vhstrFileName);
    return (RETERR16)strcmp(file1, file2);
}

static RETERR16 VCP_UI_CopyStart(void)
{
    LPCVOID template32;
    char buf[256]; /* plenty */
    BOOL dirty;
    DWORD len;

    /* FIXME: should be registered at DLL startup instead */
    VCP_UI_RegisterProgressClass();
    if (!(VCP_UI_GetDialogTemplate(&template32)))
	return VCPN_FAIL;

    if (vn_num > 10)  /* hack */
    {
        hDlgCopy = CreateDialogIndirectParamA(SETUPAPI_hInstance, template32, 0,
                                              VCP_UI_FileCopyDlgProc, 0);
        if (!hDlgCopy)
            return VCPN_FAIL;
        SetDlgItemTextA(hDlgCopy, SOURCESTRORD, "Scanning ...");
        SetDlgItemTextA(hDlgCopy, DESTSTRORD, "NOT_IMPLEMENTED_YET");
    }
    strcpy(buf, REG_INSTALLEDFILES);
    if (RegCreateKeyA(HKEY_LOCAL_MACHINE, buf, &hKeyFiles))
	return VCPN_FAIL;
    strcat(buf, REGPART_RENAME);
    if (RegCreateKeyA(HKEY_LOCAL_MACHINE, buf, &hKeyRename))
	return VCPN_FAIL;
    if (RegCreateKeyA(HKEY_LOCAL_MACHINE, REG_VERSIONCONFLICT, &hKeyConflict))
	return VCPN_FAIL;
    len = 1;
    if (!(RegQueryValueExA(hKeyConflict, "Dirty", NULL, 0, (LPBYTE)&dirty, &len)))
    {
	/* FIXME: what does SETUPX.DLL do in this case ? */
	MESSAGE("Warning: another program using SETUPX is already running ! Failed.\n");
	return VCPN_FAIL;
    }
    dirty = TRUE;
    if (RegSetValueExA(hKeyConflict, "Dirty", 0, REG_BINARY, (LPBYTE)&dirty, 1))
	return VCPN_FAIL;
    len = 12;
    if (!(RegQueryValueExA(hKeyConflict, "BackupDirectory", NULL, 0, (LPBYTE)BackupDir, &len)))
	strcpy(BackupDir, "VCM");

    /* create C:\WINDOWS\[BackupDir] and set registry key to it */
    GetWindowsDirectoryA(buf, 256);
    strcat(buf, "\\");
    strcat(buf, BackupDir);
    if (!(CreateDirectoryA(buf, NULL)))
	return VCPN_FAIL;
    if (RegSetValueExA(hKeyConflict, "BackupDirectory", 0, REG_SZ, (LPBYTE)buf, strlen(buf)+1))
	return VCPN_FAIL;
    RegCloseKey(hKeyConflict);

    return VCPN_OK;
}

/***********************************************************************
 *		vcpUICallbackProc (SETUPX.213)
 */
RETERR16 WINAPI vcpUICallbackProc16(LPVOID lpvObj, UINT16 uMsg, WPARAM wParam,
					LPARAM lParam, LPARAM lParamRef)
{
    static int count = 0;
    RETERR16 res = VCPN_OK, cbres;

    if (count < 5)
        FIXME("(%p, %04x, %04x, %08lx, %08lx) - semi-stub\n",
		lpvObj, uMsg, wParam, lParam, lParamRef);
    count++;
    switch (uMsg)
    {
	/* unused messages, it seems */
	case VCPM_DISKPREPINFO:

	case VCPM_FILENEEDED:

	case VCPM_NODECREATE:
	case VCPM_NODEACCEPT:

	case VCPM_VSTATCLOSESTART:
	case VCPM_VSTATPATHCHECKSTART:
	case VCPM_VSTATPATHCHECKEND:

	case VCPM_CHECKPATH:
	    break;

	/* the real stuff */
	case VCPM_NODECOMPARE:
	    res = VCP_UI_NodeCompare((LPVIRTNODE)lpvObj, (LPVIRTNODE)lParam);
	    break;
	case VCPM_VSTATREAD:
	    break;
	case VCPM_VSTATWRITE:
	    cbres = VCP_Callback(&vcp_status, VCPM_DISKPREPINFO, 0, 0, VCP_MsgRef);
	    break;
	case VCPM_VSTATCLOSEEND:
	    RegCloseKey(hKeyFiles);
	    RegCloseKey(hKeyRename);
	    RegDeleteKeyA(HKEY_LOCAL_MACHINE, REG_VERSIONCONFLICT);
	    break;
	case VCPM_VSTATCOPYSTART:
	    res = VCP_UI_CopyStart();
	    break;
	case VCPM_VSTATCOPYEND:
	    if (hDlgCopy) DestroyWindow(hDlgCopy);
	    break;
	default:
	    FIXME("unhandled msg 0x%04x\n", uMsg);
    }
    return res;
}