teraterm/teraterm/setupdirdlg.cpp

/*
 * Copyright (C) 1994-1998 T. Teranishi
 * (C) 2004- TeraTerm Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "teraterm.h"
#include "tttypes.h"
#include "tttypes_key.h"

#include "ttcommon.h"
#include "ttdialog.h"
#include "commlib.h"
#include "ttlib.h"
#include "dlglib.h"

#include <stdio.h>
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#include <string.h>
#include <assert.h>

#include <shlobj.h>
#include <windows.h>
#include <wchar.h>
#include <htmlhelp.h>

#include "tt_res.h"
#include "vtwin.h"
#include "compat_win.h"
#include "codeconv.h"
#include "asprintf.h"
#include "helpid.h"
#include "win32helper.h"
#include "tipwin2.h"

#include "setupdirdlg.h"

// Virtual Store���L���������������������������B
//
// [Windows 95-XP]
// return FALSE (always)
//
// [Windows Vista-10]
// return TRUE:  Virtual Store Enabled
//        FALSE: Virtual Store Disabled or Unknown
//
static BOOL GetVirtualStoreEnvironment(void)
{
#if _MSC_VER == 1400  // VSC2005(VC8.0)
        typedef struct _TOKEN_ELEVATION {
                DWORD TokenIsElevated;
        } TOKEN_ELEVATION, *PTOKEN_ELEVATION;
        int TokenElevation = 20;
#endif
        BOOL ret = FALSE;
        int flag = 0;
        HANDLE          hToken;
        DWORD           dwLength;
        TOKEN_ELEVATION tokenElevation;
        LONG lRet;
        HKEY hKey;
        char lpData[256];
        DWORD dwDataSize;
        DWORD dwType;
        BYTE bValue;

        // Windows Vista���O�����������B
        if (!IsWindowsVistaOrLater())
                goto error;

        // UAC���L�����������B
        // HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System��EnableLUA(DWORD�l)��0�������������f��������(0��UAC�����A1��UAC�L��)�B
        flag = 0;
        lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
                                                 "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System",
                                                 0, KEY_QUERY_VALUE, &hKey);
        if (lRet == ERROR_SUCCESS) {
                dwDataSize = sizeof(lpData) / sizeof(lpData[0]);
                lRet = RegQueryValueExA(
                        hKey,
                        "EnableLUA",
                        0,
                        &dwType,
                        (LPBYTE)lpData,
                        &dwDataSize);
                if (lRet == ERROR_SUCCESS) {
                        bValue = ((LPBYTE)lpData)[0];
                        if (bValue == 1)
                                // UAC���L���������AVirtual Store�������B
                                flag = 1;
                }
                RegCloseKey(hKey);
        }
        if (flag == 0)
                goto error;

        // UAC���L�����A�v���Z�X�����������������i�����������B
        flag = 0;
        if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY | TOKEN_ADJUST_DEFAULT, &hToken)) {
                if (GetTokenInformation(hToken, (TOKEN_INFORMATION_CLASS)TokenElevation, &tokenElevation, sizeof(TOKEN_ELEVATION), &dwLength)) {
                        // (0�����i�����������A��0�����i��������)�B
                        if (tokenElevation.TokenIsElevated == 0) {
                                // �����������������������������AVirtual Store�������B
                                flag = 1;
                        }
                }
                CloseHandle(hToken);
        }
        if (flag == 0)
                goto error;

        ret = TRUE;
        return (ret);

error:
        return (ret);
}

//
// �w�������A�v���P�[�V�������t�@�C�����J���B
//
// return TRUE: success
//        FALSE: failure
//
static BOOL openFileWithApplication(const wchar_t *filename, const char *editor, const wchar_t *UILanguageFile)
{
        wchar_t *commandW = NULL;
        BOOL ret = FALSE;

        if (GetFileAttributesW(filename) == INVALID_FILE_ATTRIBUTES) {
                // �t�@�C��������������
                DWORD no = GetLastError();
                static const TTMessageBoxInfoW info = {
                        "Tera Term",
                        "MSG_ERROR", L"ERROR",
                        "DLG_SETUPDIR_NOFILE_ERROR", L"File does not exist.(%d)",
                        MB_OK | MB_ICONWARNING
                };
                TTMessageBoxW(NULL, &info, UILanguageFile, no);

                goto error;
        }

        aswprintf(&commandW, L"%hs \"%s\"", editor, filename);

        STARTUPINFOW si;
        PROCESS_INFORMATION pi;
        memset(&si, 0, sizeof(si));
        GetStartupInfoW(&si);
        memset(&pi, 0, sizeof(pi));

        if (CreateProcessW(NULL, commandW, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi) == 0) {
                // �N�����s
                DWORD no = GetLastError();
                static const TTMessageBoxInfoW info = {
                        "Tera Term",
                        "MSG_ERROR", L"ERROR",
                        "DLG_SETUPDIR_OPENFILE_ERROR", L"Cannot open file.(%d)",
                        MB_OK | MB_ICONWARNING
                };
                TTMessageBoxW(NULL, &info, UILanguageFile, no);

                goto error;
        }
        else {
                CloseHandle(pi.hThread);
                CloseHandle(pi.hProcess);
        }

        ret = TRUE;

error:;
        free(commandW);

        return (ret);
}

/**
 *      �G�N�X�v���[�����w���t�@�C�����t�H���_���J��
 *      �t�@�C�������������������t�@�C�����I�������������J��
 *      �t�@�C���������������������t�H���_���J��
 *
 *      @param  file    �t�@�C��
 *      @retval TRUE: success
 *      @retval FALSE: failure
 */
static BOOL openDirectoryWithExplorer(const wchar_t *file, const wchar_t *UILanguageFile)
{
        BOOL ret;

        DWORD attr = GetFileAttributesW(file);
        if (attr == INVALID_FILE_ATTRIBUTES) {
                // �t�@�C��������������, �f�B���N�g�����I�[�v������
                wchar_t *dir = ExtractDirNameW(file);
                attr = GetFileAttributesW(dir);
                if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
                        // �t�H���_���J��
                        INT_PTR h = (INT_PTR)ShellExecuteW(NULL, L"open", L"explorer.exe", dir, NULL, SW_NORMAL);
                        ret = h > 32 ? TRUE : FALSE;
                }
                else {
                        // �t�@�C�����t�H���_������������
                        DWORD no = GetLastError();
                        static const TTMessageBoxInfoW info = {
                                "Tera Term",
                                "MSG_ERROR", L"ERROR",
                                "DLG_SETUPDIR_NOFILE_ERROR", L"File does not exist.(%d)",
                                MB_OK | MB_ICONWARNING
                        };
                        TTMessageBoxW(NULL, &info, UILanguageFile, no);
                        ret = FALSE;
                }
                free(dir);
        } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
                // �w�������������t�H���_�������A�t�H���_���J��
                INT_PTR h = (INT_PTR)ShellExecuteW(NULL, L"open", L"explorer.exe", file, NULL, SW_NORMAL);
                ret = h > 32 ? TRUE : FALSE;
        } else {
                // �t�H���_���J�� + �t�@�C���I��
                wchar_t *param;
                aswprintf(&param, L"/select,%s", file);
                INT_PTR h = (INT_PTR)ShellExecuteW(NULL, L"open", L"explorer.exe", param, NULL, SW_NORMAL);
                free(param);
                ret = h > 32 ? TRUE : FALSE;
        }
        return ret;
}

/**
 *      �t���p�X�t�@�C������ Virtual Store�p�X�����������B
 *      @param[in]              filename                        �����O���t�@�C����
 *      @param[out]             vstore_filename         Virtual Store���t�@�C����
 *      @retval                 TRUE    ��������
 *                                      FALSE   ��������������(Virtual Store������������������)
 */
static BOOL convertVirtualStoreW(const wchar_t *filename, wchar_t **vstore_filename)
{
        wchar_t *path = ExtractDirNameW(filename);
        wchar_t *file = ExtractFileNameW(filename);

        // �s�v���h���C�u���^�[�����������B
        // �h���C�u���^�[���������������������_�������B(1��������?)
        wchar_t *path_nodrive = wcsstr(path, L":\\");
        if (path_nodrive == NULL) {
                // �t���p�X��������, VS���l������������ok
                free(path);
                free(file);
                return FALSE;
        }
        path_nodrive++;

        BOOL ret = FALSE;
        static const wchar_t* virstore_env[] = {
                L"ProgramFiles",
                L"ProgramData",
                L"SystemRoot",
                NULL
        };
        const wchar_t** p = virstore_env;

        if (GetVirtualStoreEnvironment() == FALSE)
                goto error;

        // Virtual Store�����������t�H���_���B
        while (*p) {
                const wchar_t *s = _wgetenv(*p);
                if (s != NULL && wcsstr(path, s) != NULL) {
                        break;
                }
                p++;
        }
        if (*p == NULL)
                goto error;


        // Virtual Store�p�X�������B
        wchar_t *local_appdata;
        _SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &local_appdata);
        wchar_t *vs_file;
        aswprintf(&vs_file, L"%s\\VirtualStore%s\\%s", local_appdata, path_nodrive, file);
        free(local_appdata);

        // �������AVirtual Store���t�@�C�������������������������B
        if (GetFileAttributesW(vs_file) == INVALID_FILE_ATTRIBUTES) {
                free(vs_file);
                goto error;
        }

        *vstore_filename = vs_file;

        ret = TRUE;
        goto epilogue;

error:
        *vstore_filename = NULL;
        ret = FALSE;
epilogue:
        free(path);
        free(file);
        return ret;
}

/**
 *      ���X�g���`�p�\����
 */
typedef enum {
        LIST_PARAM_STR = 1,                     // ������
        LIST_PARAM_FUNC = 2,            // ����
} SetupListParam;
typedef struct {
        const char *key;                        // �e�L�X�g���L�[
        const wchar_t *def_text;        // �f�t�H���g�e�L�X�g
        SetupListParam param;           // param_ptr �����e������
        void *param_ptr;                        // param�������l
        void *data_ptr;                         // ���������g�p�����f�[�^
} SetupList;

/**
 *      ���j���[���o�����I�����������������s����
 */
static void PopupAndExec(HWND hWnd, const POINT *pointer_pos, const wchar_t *path, const TTTSet *pts)
{
        const wchar_t *UILanguageFile = pts->UILanguageFileW;
        const DWORD file_stat = GetFileAttributesW(path);
        const BOOL dir = (file_stat & FILE_ATTRIBUTE_DIRECTORY) != 0 ? TRUE : FALSE;

        HMENU hMenu= CreatePopupMenu();
        AppendMenuW(hMenu, (dir ? MF_DISABLED : MF_ENABLED) | MF_STRING | 0, 1, L"&Open file");
        AppendMenuW(hMenu, MF_ENABLED | MF_STRING | 0, 2, L"Open folder(with explorer)");
        AppendMenuW(hMenu, MF_ENABLED | MF_STRING | 0, 3, L"Send path to clipboard");
        int result = TrackPopupMenu(hMenu, TPM_RETURNCMD, pointer_pos->x, pointer_pos->y, 0 , hWnd, NULL);
        DestroyMenu(hMenu);
        switch (result) {
        case 1: {
                // �A�v�����J��
                const char *editor = pts->ViewlogEditor;
                openFileWithApplication(path, editor, UILanguageFile);
                break;
        }
        case 2: {
                // �t�H���_���J�����A�t�@�C�����I������
                openDirectoryWithExplorer(path, UILanguageFile);
                break;
        }
        case 3: {
                // �N���b�v�{�[�h�����������M
                CBSetTextW(hWnd, path, 0);
                break;
        }
        default:
                break;
        }
}

static wchar_t *GetCygtermIni(const SetupList *list, const TTTSet *pts)
{
        wchar_t *cygterm_ini;
        aswprintf(&cygterm_ini, L"%s\\cygterm.cfg", pts->HomeDirW);
        if (list->data_ptr != 0) {
                wchar_t *virtual_store_path;
                BOOL ret = convertVirtualStoreW(cygterm_ini, &virtual_store_path);
                free(cygterm_ini);
                if (ret) {
                        return virtual_store_path;
                } else {
                        return NULL;
                }
        }
        return cygterm_ini;
}

static wchar_t *GetTTXSSHKwnownHostFile(const SetupList *list, const TTTSet *)
{
        HMODULE h = GetModuleHandle("ttxssh.dll");
        if (h == NULL) {
                return NULL;
        }

        size_t (CALLBACK *func)(wchar_t *, size_t) = NULL;
        void **pfunc = (void **)&func;
        *pfunc = (void *)GetProcAddress(h, "TTXReadKnownHostsFile");
        if (func == NULL) {
                return NULL;
        }

        size_t size = func(NULL, 0);
        if (size == 0) {
                return NULL;
        }

        wchar_t *temp = (wchar_t *)malloc(sizeof(wchar_t) * size);
        func(temp, size);
        assert(!IsRelativePathW(temp));

        if (list->data_ptr != 0) {
                wchar_t *virtual_store_path;
                BOOL ret = convertVirtualStoreW(temp, &virtual_store_path);
                free(temp);
                if (ret) {
                        return virtual_store_path;
                } else {
                        return NULL;
                }
        }

        return temp;
}

/**
 *      Virtaul Store�����p�X������
 */
static wchar_t *GetVirtualStorePath(const SetupList *list, const TTTSet *)
{
        const wchar_t *path = (wchar_t *)list->data_ptr;
        wchar_t *virtual_store_path;
        BOOL ret = convertVirtualStoreW(path, &virtual_store_path);
        if (ret) {
                return virtual_store_path;
        } else {
                // virtual store���g�p������������
                return NULL;
        }
}

/**
 *      current
 */
static wchar_t *GetCurrentPath(const SetupList *, const TTTSet *)
{
        wchar_t *path;
        hGetCurrentDirectoryW(&path);
        return path;
}

typedef struct {
        TComVar *pcv;
        TipWin2 *tipwin;
} dlg_data_t;

static INT_PTR CALLBACK OnSetupDirectoryDlgProc(HWND hDlgWnd, UINT msg, WPARAM wp, LPARAM lp)
{
        static const DlgTextInfo TextInfos[] = {
                { 0, "DLG_SETUPDIR_TITLE" },
        };
        dlg_data_t *dlg_data = (dlg_data_t *)GetWindowLongPtr(hDlgWnd, DWLP_USER);
        TComVar *pcv = (dlg_data == NULL) ? NULL : dlg_data->pcv;
        TTTSet *pts = (pcv == NULL) ? NULL : pcv->ts;

        switch (msg) {
        case WM_INITDIALOG: {
                dlg_data = (dlg_data_t *)lp;
                pcv = dlg_data->pcv;
                pts = pcv->ts;
                SetWindowLongPtr(hDlgWnd, DWLP_USER, (LONG_PTR)dlg_data);

                // I18N
                SetDlgTextsW(hDlgWnd, TextInfos, _countof(TextInfos), pts->UILanguageFileW);

                HWND hWndList = GetDlgItem(hDlgWnd, IDC_SETUP_DIR_LIST);
                ListView_SetExtendedListViewStyleEx(hWndList, LVS_EX_FULLROWSELECT, LVS_EX_FULLROWSELECT);

                LV_COLUMNA lvcol;
                lvcol.mask = LVCF_TEXT | LVCF_SUBITEM;
                lvcol.pszText = (LPSTR)"name";
                lvcol.iSubItem = 0;
                //ListView_InsertColumn(hWndList, 0, &lvcol);
                SendMessage(hWndList, LVM_INSERTCOLUMNA, 0, (LPARAM)&lvcol);

                lvcol.pszText = (LPSTR)"path/file";
                lvcol.iSubItem = 1;
                //ListView_InsertColumn(hWndList, 1, &lvcol);
                SendMessage(hWndList, LVM_INSERTCOLUMNA, 1, (LPARAM)&lvcol);

                // ��������
                const SetupList setup_list[] = {
                        { "DLG_SETUPDIR_INIFILE", L"Tera Term Configuration File",
                          LIST_PARAM_STR, pts->SetupFNameW, },
                        { NULL, L"  Virtual Store",
                          LIST_PARAM_FUNC, (void *)GetVirtualStorePath, pts->SetupFNameW },
                        { "DLG_SETUPDIR_KEYBOARDFILE", L"Keyboard Configuration File",
                          LIST_PARAM_STR, pts->KeyCnfFNW },
                        { NULL, L"  Virtual Store",
                          LIST_PARAM_FUNC, (void*)GetVirtualStorePath, pts->KeyCnfFNW },
                        { "DLG_SETUPDIR_CYGTERMFILE", L"CygTerm Configuration File",
                          LIST_PARAM_FUNC, (void*)GetCygtermIni, (void *)0 },
                        { NULL, L"  Virtual Store",
                          LIST_PARAM_FUNC, (void*)GetCygtermIni, (void *)1 },
                        { "DLG_SETUPDIR_KNOWNHOSTSFILE", L"SSH known_hosts File",
                          LIST_PARAM_FUNC, (void*)GetTTXSSHKwnownHostFile, (void *)0 },
                        { NULL, L"  Virtual Store",
                          LIST_PARAM_FUNC, (void*)GetTTXSSHKwnownHostFile, (void *)1 },
                        { NULL, L"CurrentDirectry",
                          LIST_PARAM_FUNC, (void*)GetCurrentPath },
                        { NULL, L"HomeDir",
                          LIST_PARAM_STR, pts->HomeDirW },
                        { NULL, L"ExeDir",
                          LIST_PARAM_STR, pts->ExeDirW },
                        { NULL, L"LogDir",
                          LIST_PARAM_STR, pts->LogDirW },
                        { NULL, L"LogDefaultPathW",
                          LIST_PARAM_STR, pts->LogDefaultPathW },
                        { NULL, L"Download",
                          LIST_PARAM_STR, pts->FileDirW },
                        { NULL, L"Susie Plugin Path",
                          LIST_PARAM_STR, pts->EtermLookfeel.BGSPIPathW },
                        { NULL, L"UI language file",
                          LIST_PARAM_STR, pts->UILanguageFileW },
                };

                int y = 0;
                for (const SetupList *list = &setup_list[0]; list != &setup_list[_countof(setup_list)]; list++) {

                        const SetupListParam param = list->param;
                        wchar_t *s;
                        if (param & LIST_PARAM_STR) {
                                // �����������|�C���^
                                s = (wchar_t *)list->param_ptr;
                        } else if (param & LIST_PARAM_FUNC) {
                                // ����������������������
                                typedef wchar_t *(*func_t)(const SetupList *list, TTTSet *pts);
                                func_t func = (func_t)list->param_ptr;
                                s = func(list, pts);
                        } else {
                                assert("bad list?");
                                s = NULL;
                        }
                        if (s == NULL) {
                                // �\���s�v
                                continue;
                        }

                        const char *key = list->key;
                        const wchar_t *def_text = list->def_text;
                        wchar_t *text;
                        GetI18nStrWW("Tera Term", key, def_text, pts->UILanguageFileW, &text);

                        LVITEMW item;
                        item.mask = LVIF_TEXT;
                        item.iItem = y;
                        item.iSubItem = 0;
                        item.pszText = text;
                        SendMessage(hWndList, LVM_INSERTITEMW, 0, (LPARAM)&item);
                        free(text);

                        item.mask = LVIF_TEXT;
                        item.iItem = y;
                        item.iSubItem = 1;
                        item.pszText = s;
                        SendMessage(hWndList, LVM_SETITEMW, 0, (LPARAM)&item);

                        y++;

                        if (param & LIST_PARAM_FUNC) {
                                // �\���p�������������������J��
                                free(s);
                        }
                }

                // ��������
                for (int i = 0; i < 2; i++) {
                        ListView_SetColumnWidth(hWndList, i, LVSCW_AUTOSIZE);
                }

                CenterWindow(hDlgWnd, GetParent(hDlgWnd));

                static const wchar_t *str = L"Right click to open submenu";
                dlg_data->tipwin = TipWin2Create(NULL, hDlgWnd);
                TipWin2SetTextW(dlg_data->tipwin, IDC_SETUP_DIR_LIST, str);
                return TRUE;
        }

        case WM_COMMAND: {
                switch (LOWORD(wp)) {
                case IDHELP:
                        OpenHelpCV(pcv, HH_HELP_CONTEXT, HlpMenuSetupDir);
                        break;

                case IDOK:
                        TTEndDialog(hDlgWnd, IDOK);
                        return TRUE;
                        break;

                case IDCANCEL:
                        TTEndDialog(hDlgWnd, IDCANCEL);
                        return TRUE;
                        break;

                default:
                        return FALSE;
                }
                return FALSE;
        }

        case WM_DESTROY:
                TipWin2Destroy(dlg_data->tipwin);
                dlg_data->tipwin = NULL;
                return TRUE;

        case WM_NOTIFY: {
                NMHDR *nmhdr = (NMHDR *)lp;
                if (nmhdr->code == TTN_POP) {
                        // 1�������\�����������A����������������
                        TipWin2SetTextW(dlg_data->tipwin, IDC_SETUP_DIR_LIST, NULL);
                }
                else if (nmhdr->idFrom == IDC_SETUP_DIR_LIST) {
                        NMLISTVIEW *nmlist = (NMLISTVIEW *)lp;
                        switch (nmlist->hdr.code) {
//                      case NM_CLICK:
                        case NM_RCLICK: {
                                POINT pointer_pos;
                                GetCursorPos(&pointer_pos);
                                LVHITTESTINFO ht = {};
                                ht.pt = pointer_pos;
                                ScreenToClient(nmlist->hdr.hwndFrom, &ht.pt);
                                ListView_HitTest(nmlist->hdr.hwndFrom, &ht);
                                if (ht.flags & LVHT_ONITEM) {
                                        int hit_item = ht.iItem;

                                        wchar_t path[MAX_PATH];
                                        LV_ITEMW item;
                                        item.mask = TVIF_TEXT;
                                        item.iItem = hit_item;
                                        item.iSubItem = 1;
                                        item.pszText = path;
                                        item.cchTextMax = _countof(path);
                                        SendMessageW(nmlist->hdr.hwndFrom, LVM_GETITEMW, 0, (LPARAM)&item);

                                        PopupAndExec(nmlist->hdr.hwndFrom, &pointer_pos, path, pts);
                                }
                                break;
                        }
                        }
                }
                break;
        }
        default:
                return FALSE;
        }
        return TRUE;
}

void SetupDirectoryDialog(HINSTANCE hInst, HWND hWnd, TComVar *pcv)
{
        dlg_data_t* dlg_data = (dlg_data_t*)calloc(sizeof(dlg_data_t), 1);
        dlg_data->pcv = pcv;
        TTDialogBoxParam(hInst, MAKEINTRESOURCE(IDD_SETUP_DIR_DIALOG),
                                         hWnd, OnSetupDirectoryDlgProc, (LPARAM)dlg_data);
        free(dlg_data);
}