/*
* Descent 3
* Copyright (C) 2024 Parallax Software
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.

--- HISTORICAL COMMENTS FOLLOW ---

 * $Logfile: /DescentIII/Main/D3Launch/DirectXTab.cpp $
 * $Revision: 1.1.1.1 $
 * $Date: 2003-08-26 03:56:51 $
 * $Author: kevinb $
 *
 *
 *
 * $Log: not supported by cvs2svn $
 *
 * 9     2/16/99 6:09p Nate
 * Changed DX version output from V.0 to V.x
 *
 * 8     10/14/98 5:52p Nate
 * More fixes
 *
 * 7     10/08/98 6:23p Nate
 * Fixed a few bugs.
 *
 * 6     9/22/98 3:33p Nate
 * Added conditional compiling to help system (can toggle between HTML and
 * standard windows help)
 *
 * 5     9/21/98 5:40p Nate
 * Incorporated the new HTML help system
 *
 * 4     9/13/98 2:38p Nate
 * Changed button to launch DirectX download webpage.
 *
 * 3     9/01/98 7:15p Nate
 * Major Revision #2
 *
 * 2     8/31/98 6:44p Nate
 * Major Revision
 *
 * $NoKeywords: $
 */

// DirectXTab.cpp : implementation file
//

#include "stdafx.h"
#include "afxpriv.h"
#include "afxext.h"
#include "d3launch.h"
#include "DirectXTab.h"
#include "PsTypes.h"
#include <direct.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

extern HINSTANCE Dd_dll_handle;

/////////////////////////////////////////////////////////////////////////////
// CDirectXTab property page

IMPLEMENT_DYNCREATE(CDirectXTab, CPropertyPage)

CDirectXTab::CDirectXTab() : CPropertyPage(CDirectXTab::IDD) {
  //{{AFX_DATA_INIT(CDirectXTab)
  // NOTE: the ClassWizard will add member initialization here
  //}}AFX_DATA_INIT
}

CDirectXTab::~CDirectXTab() {}

void CDirectXTab::DoDataExchange(CDataExchange *pDX) {
  CPropertyPage::DoDataExchange(pDX);
  //{{AFX_DATA_MAP(CDirectXTab)
  // NOTE: the ClassWizard will add DDX and DDV calls here
  //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDirectXTab, CPropertyPage)
//{{AFX_MSG_MAP(CDirectXTab)
ON_BN_CLICKED(IDC_GET_DX, OnGetDx)
ON_MESSAGE(WM_COMMANDHELP, OnCommandHelp)
ON_WM_HELPINFO()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDirectXTab message handlers

BOOL CDirectXTab::OnInitDialog() {
  CPropertyPage::OnInitDialog();

  // TODO: Add extra initialization here
  LONG lResult;
  HKEY hKey = NULL;

  if (Dd_dll_handle) {
    lResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE,             // Where it is
                           "Software\\Microsoft\\DirectX", // name of key
                           NULL,                           // DWORD reserved
                           KEY_QUERY_VALUE,                // Allows all changes
                           &hKey                           // Location to store key
    );

    if (lResult == ERROR_SUCCESS) {
      char version[32];
      DWORD dwType, dwLen;

      dwLen = 32;
      lResult = RegQueryValueEx(hKey,               // Handle to key
                                "Version",          // The values name
                                NULL,               // DWORD reserved
                                &dwType,            // What kind it is
                                (uint8_t *)version, // value to set
                                &dwLen              // How many bytes to set
      );

      if (lResult == ERROR_SUCCESS) {
        CString str;

        Dx_version = atoi(strstr(version, ".") + 1);
        str.Format("%d.x (%s)", Dx_version, version);
        GetDlgItem(IDC_DX_VERSION)->SetWindowText(str);

      } else {
        int val;
        DWORD dwType, dwLen;

        dwLen = 4;
        lResult = RegQueryValueEx(hKey,               // Handle to key
                                  "InstalledVersion", // The values name
                                  NULL,               // DWORD reserved
                                  &dwType,            // What kind it is
                                  (uint8_t *)&val,    // value to set
                                  &dwLen              // How many bytes to set
        );

        if (lResult == ERROR_SUCCESS) {
          CString str;

          Dx_version = val;
          str.Format("%d.x", Dx_version);
          GetDlgItem(IDC_DX_VERSION)->SetWindowText(str);
        }
      }

      RegCloseKey(hKey);
    }
  }

  if (Dx_version >= 6) {
    CString msg;
    msg.LoadString(IDS_DIRECTXTAB_OK);
    GetDlgItem(IDC_DX_STATUS)->SetWindowText(msg.GetBuffer(0));
  } else if (Dx_version >= 3) {
    CString msg;
    msg.LoadString(IDS_DIRECTXTAB_UPD_REC);
    GetDlgItem(IDC_DX_STATUS)->SetWindowText(msg.GetBuffer(0));
  }

  return TRUE; // return TRUE unless you set the focus to a control
               // EXCEPTION: OCX Property Pages should return FALSE
}

// Takes user to DirectX web page
void CDirectXTab::OnGetDx() { url_launch("http://www.microsoft.com/directx/download.asp"); }

void CDirectXTab::OnOK() {
  // TODO: Add your specialized code here and/or call the base class

  CPropertyPage::OnOK();
}

BOOL CDirectXTab::OnHelpInfo(HELPINFO *pHelpInfo) {
  // TODO: Add your message handler code here and/or call default
#ifdef USE_HTML_HELP_SYSTEM
  CWaitCursor wc;
  help_launch(DIRECTXTAB_HELP);
  return 1;
#else
  return CPropertyPage::OnHelpInfo(pHelpInfo);
#endif
}

// Display the html help file
afx_msg LRESULT CDirectXTab::OnCommandHelp(WPARAM wParam, LPARAM lParam) {
#ifdef USE_HTML_HELP_SYSTEM
  help_launch(DIRECTXTAB_HELP);
  return 1;
#else
  return CPropertyPage::OnCommandHelp(wParam, lParam);
#endif
}