rlm@1: // VideoMode.cpp : implementation file
rlm@1: //
rlm@1: 
rlm@1: #include "stdafx.h"
rlm@1: #include "resource.h"
rlm@1: 
rlm@1: ///		#define _AFXDLL /// EVIL
rlm@1: ///		#include "afxwin.h" /// EVIL
rlm@1: ///		#include "afxdll_.h" /// EVIL
rlm@1: 
rlm@1: #define DIRECTDRAW_VERSION 0x0700
rlm@1: #include "ddraw.h"
rlm@1: 
rlm@1: #include "VideoMode.h"
rlm@1: 
rlm@1: #include "../common/System.h" // for system messages
rlm@1: 
rlm@1: #define MAX_DRIVERS         32                  // 32 drivers maximum
rlm@1: 
rlm@1: //-----------------------------------------------------------------------------
rlm@1: // Local structures
rlm@1: //-----------------------------------------------------------------------------
rlm@1: // Keeps data on the available DDraw drivers
rlm@1: struct
rlm@1: {
rlm@1: 	char     szDescription[128];
rlm@1: 	char     szName[128];
rlm@1: 	GUID *   pGUID;
rlm@1: 	GUID     GUIDcopy;
rlm@1: 	HMONITOR hm;
rlm@1: } Drivers[MAX_DRIVERS];
rlm@1: 
rlm@1: //-----------------------------------------------------------------------------
rlm@1: // Local data
rlm@1: //-----------------------------------------------------------------------------
rlm@1: static int gDriverCnt = 0;                      // Total number of drivers
rlm@1: static GUID *gpSelectedDriverGUID;
rlm@1: 
rlm@1: //-----------------------------------------------------------------------------
rlm@1: // Name: DDEnumCallbackEx()
rlm@1: // Desc: This call back is used to determine the existing available DDraw
rlm@1: //       devices, so the user can pick which one to run on.
rlm@1: //-----------------------------------------------------------------------------
rlm@1: BOOL WINAPI
rlm@1: DDEnumCallbackEx(GUID *pGUID, LPSTR pDescription, LPSTR pName, LPVOID pContext, HMONITOR hm)
rlm@1: {
rlm@1: 	if (pGUID)
rlm@1: 	{
rlm@1: 		Drivers[gDriverCnt].GUIDcopy = *pGUID;
rlm@1: 		Drivers[gDriverCnt].pGUID    = &Drivers[gDriverCnt].GUIDcopy;
rlm@1: 	}
rlm@1: 	else
rlm@1: 		Drivers[gDriverCnt].pGUID = NULL;
rlm@1: 	Drivers[gDriverCnt].szDescription[127] = '\0';
rlm@1: 	Drivers[gDriverCnt].szName[127]        = '\0';
rlm@1: 	strncpy(Drivers[gDriverCnt].szDescription, pDescription, 127);
rlm@1: 	strncpy(Drivers[gDriverCnt].szName, pName, 127);
rlm@1: 	Drivers[gDriverCnt].hm = hm;
rlm@1: 	if (gDriverCnt < MAX_DRIVERS)
rlm@1: 		gDriverCnt++;
rlm@1: 	else
rlm@1: 		return DDENUMRET_CANCEL;
rlm@1: 	return DDENUMRET_OK;
rlm@1: }
rlm@1: 
rlm@1: //-----------------------------------------------------------------------------
rlm@1: // Name: DDEnumCallback()
rlm@1: // Desc: This callback is used only with old versions of DDraw.
rlm@1: //-----------------------------------------------------------------------------
rlm@1: BOOL WINAPI
rlm@1: DDEnumCallback(GUID *pGUID, LPSTR pDescription, LPSTR pName, LPVOID context)
rlm@1: {
rlm@1: 	return (DDEnumCallbackEx(pGUID, pDescription, pName, context, NULL));
rlm@1: }
rlm@1: 
rlm@1: static HRESULT WINAPI addVideoMode(LPDDSURFACEDESC2 surf, LPVOID lpContext)
rlm@1: {
rlm@1: 	HWND h = (HWND)lpContext;
rlm@1: 	char buffer[50];
rlm@1: 
rlm@1: 	switch (surf->ddpfPixelFormat.dwRGBBitCount)
rlm@1: 	{
rlm@1: 	case 16:
rlm@1: 	case 24:
rlm@1: 	case 32:
rlm@1: 		if (surf->dwWidth >= 640 && surf->dwHeight >= 480)
rlm@1: 		{
rlm@1: 			sprintf(buffer, "%4dx%4dx%2d", surf->dwWidth, surf->dwHeight,
rlm@1: 			        surf->ddpfPixelFormat.dwRGBBitCount);
rlm@1: 			int pos = ::SendMessage(h, LB_ADDSTRING, 0, (LPARAM)buffer);
rlm@1: 			::SendMessage(h, LB_SETITEMDATA, pos,
rlm@1: 			              (surf->ddpfPixelFormat.dwRGBBitCount << 24) |
rlm@1: 			              ((surf->dwWidth & 4095) << 12) |
rlm@1: 			              (surf->dwHeight & 4095));
rlm@1: 		}
rlm@1: 	}
rlm@1: 
rlm@1: 	return DDENUMRET_OK;
rlm@1: }
rlm@1: 
rlm@1: int winVideoModeSelect(CWnd *pWnd, GUID **guid)
rlm@1: {
rlm@1: 	HINSTANCE h = /**/ ::LoadLibrary("ddraw.dll");
rlm@1: 
rlm@1: 	// If ddraw.dll doesn't exist in the search path,
rlm@1: 	// then DirectX probably isn't installed, so fail.
rlm@1: 	if (!h)
rlm@1: 		return -1;
rlm@1: 
rlm@1: 	gDriverCnt = 0;
rlm@1: 
rlm@1: 	// Note that you must know which version of the
rlm@1: 	// function to retrieve (see the following text).
rlm@1: 	// For this example, we use the ANSI version.
rlm@1: 	LPDIRECTDRAWENUMERATEEX lpDDEnumEx;
rlm@1: 	lpDDEnumEx = (LPDIRECTDRAWENUMERATEEX)
rlm@1: 	             GetProcAddress(h, "DirectDrawEnumerateExA");
rlm@1: 
rlm@1: 	// If the function is there, call it to enumerate all display
rlm@1: 	// devices attached to the desktop, and any non-display DirectDraw
rlm@1: 	// devices.
rlm@1: 	if (lpDDEnumEx)
rlm@1: 		lpDDEnumEx(DDEnumCallbackEx, NULL,
rlm@1: 		           DDENUM_ATTACHEDSECONDARYDEVICES |
rlm@1: 		           DDENUM_NONDISPLAYDEVICES
rlm@1: 		           );
rlm@1: 	else
rlm@1: 	{
rlm@1: 		/*
rlm@1: 		 * We must be running on an old version of DirectDraw.
rlm@1: 		 * Therefore MultiMon isn't supported. Fall back on
rlm@1: 		 * DirectDrawEnumerate to enumerate standard devices on a
rlm@1: 		 * single-monitor system.
rlm@1: 		 */
rlm@1: 		BOOL (WINAPI *lpDDEnum)(LPDDENUMCALLBACK, LPVOID);
rlm@1: 
rlm@1: 		lpDDEnum = (BOOL (WINAPI *)(LPDDENUMCALLBACK, LPVOID))
rlm@1: 		           GetProcAddress(h, "DirectDrawEnumerateA");
rlm@1: 		if (lpDDEnum)
rlm@1: 			lpDDEnum(DDEnumCallback, NULL);
rlm@1: 
rlm@1: 		/* Note that it could be handy to let the OldCallback function
rlm@1: 		 * be a wrapper for a DDEnumCallbackEx.
rlm@1: 		 *
rlm@1: 		 * Such a function would look like:
rlm@1: 		 *    BOOL FAR PASCAL OldCallback(GUID FAR *lpGUID,
rlm@1: 		 *                                LPSTR pDesc,
rlm@1: 		 *                                LPSTR pName,
rlm@1: 		 *                                LPVOID pContext)
rlm@1: 		 *    {
rlm@1: 		 *         return Callback(lpGUID,pDesc,pName,pContext,NULL);
rlm@1: 		 *    }
rlm@1: 		 */
rlm@1: 	}
rlm@1: 
rlm@1: 	int selected = 0;
rlm@1: 
rlm@1: 	if (gDriverCnt > 1)
rlm@1: 	{
rlm@1: 		VideoDriverSelect d(pWnd);
rlm@1: 
rlm@1: 		selected = d.DoModal();
rlm@1: 
rlm@1: 		if (selected == -1)
rlm@1: 		{
rlm@1: 			// If the library was loaded by calling LoadLibrary(),
rlm@1: 			// then you must use FreeLibrary() to let go of it.
rlm@1: 			/**/ ::FreeLibrary(h);
rlm@1: 
rlm@1: 			return -1;
rlm@1: 		}
rlm@1: 	}
rlm@1: 
rlm@1: 	HRESULT (WINAPI *DDrawCreateEx)(GUID *, LPVOID *, REFIID, IUnknown *);
rlm@1: 	DDrawCreateEx = (HRESULT (WINAPI *)(GUID *, LPVOID *, REFIID, IUnknown *))
rlm@1: 	                GetProcAddress(h, "DirectDrawCreateEx");
rlm@1: 
rlm@1: 	LPDIRECTDRAW7 ddraw = NULL;
rlm@1: 	if (DDrawCreateEx)
rlm@1: 	{
rlm@1: 		HRESULT hret = DDrawCreateEx(Drivers[selected].pGUID,
rlm@1: 		                             (void * *)&ddraw,
rlm@1: 		                             IID_IDirectDraw7,
rlm@1: 		                             NULL);
rlm@1: 		if (hret != DD_OK)
rlm@1: 		{
rlm@1: 			systemMessage(0, "Error during DirectDrawCreateEx: %08x", hret);
rlm@1: 			/**/ ::FreeLibrary(h);
rlm@1: 			return -1;
rlm@1: 		}
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		// should not happen....
rlm@1: 		systemMessage(0, "Error getting DirectDrawCreateEx");
rlm@1: 		/**/ ::FreeLibrary(h);
rlm@1: 		return -1;
rlm@1: 	}
rlm@1: 
rlm@1: 	VideoMode dlg(ddraw, pWnd);
rlm@1: 
rlm@1: 	int res = dlg.DoModal();
rlm@1: 
rlm@1: 	if (res != -1)
rlm@1: 	{
rlm@1: 		*guid = Drivers[selected].pGUID;
rlm@1: 	}
rlm@1: 	ddraw->Release();
rlm@1: 	ddraw = NULL;
rlm@1: 
rlm@1: 	// If the library was loaded by calling LoadLibrary(),
rlm@1: 	// then you must use FreeLibrary() to let go of it.
rlm@1: 	/**/ ::FreeLibrary(h);
rlm@1: 
rlm@1: 	return res;
rlm@1: }
rlm@1: 
rlm@1: /////////////////////////////////////////////////////////////////////////////
rlm@1: // VideoMode dialog
rlm@1: 
rlm@1: VideoMode::VideoMode(LPDIRECTDRAW7 pDraw, CWnd*pParent /*=NULL*/)
rlm@1: 	: CDialog(VideoMode::IDD, pParent)
rlm@1: {
rlm@1: 	//{{AFX_DATA_INIT(VideoMode)
rlm@1: 	// NOTE: the ClassWizard will add member initialization here
rlm@1: 	//}}AFX_DATA_INIT
rlm@1: 	pDirectDraw = pDraw;
rlm@1: }
rlm@1: 
rlm@1: void VideoMode::DoDataExchange(CDataExchange*pDX)
rlm@1: {
rlm@1: 	CDialog::DoDataExchange(pDX);
rlm@1: 	//{{AFX_DATA_MAP(VideoMode)
rlm@1: 	DDX_Control(pDX, IDC_MODES, m_modes);
rlm@1: 	//}}AFX_DATA_MAP
rlm@1: }
rlm@1: 
rlm@1: BEGIN_MESSAGE_MAP(VideoMode, CDialog)
rlm@1: //{{AFX_MSG_MAP(VideoMode)
rlm@1: ON_LBN_SELCHANGE(IDC_MODES, OnSelchangeModes)
rlm@1: ON_BN_CLICKED(ID_CANCEL, OnCancel)
rlm@1: ON_BN_CLICKED(ID_OK, OnOk)
rlm@1: //}}AFX_MSG_MAP
rlm@1: END_MESSAGE_MAP()
rlm@1: 
rlm@1: /////////////////////////////////////////////////////////////////////////////
rlm@1: // VideoMode message handlers
rlm@1: 
rlm@1: void VideoMode::OnSelchangeModes()
rlm@1: {
rlm@1: 	int item = m_modes.GetCurSel();
rlm@1: 
rlm@1: 	GetDlgItem(ID_OK)->EnableWindow(item != -1);
rlm@1: }
rlm@1: 
rlm@1: void VideoMode::OnCancel()
rlm@1: {
rlm@1: 	EndDialog(-1);
rlm@1: }
rlm@1: 
rlm@1: void VideoMode::OnOk()
rlm@1: {
rlm@1: 	int cur = m_modes.GetCurSel();
rlm@1: 
rlm@1: 	if (cur != -1)
rlm@1: 	{
rlm@1: 		cur = m_modes.GetItemData(cur);
rlm@1: 	}
rlm@1: 	EndDialog(cur);
rlm@1: }
rlm@1: 
rlm@1: BOOL VideoMode::OnInitDialog()
rlm@1: {
rlm@1: 	CDialog::OnInitDialog();
rlm@1: 
rlm@1: 	// check for available fullscreen modes
rlm@1: 	pDirectDraw->EnumDisplayModes(DDEDM_STANDARDVGAMODES, NULL, m_modes.m_hWnd,
rlm@1: 	                              addVideoMode);
rlm@1: 
rlm@1: 	GetDlgItem(ID_OK)->EnableWindow(FALSE);
rlm@1: 	CenterWindow();
rlm@1: 
rlm@1: 	return TRUE; // return TRUE unless you set the focus to a control
rlm@1: 	             // EXCEPTION: OCX Property Pages should return FALSE
rlm@1: }
rlm@1: 
rlm@1: /////////////////////////////////////////////////////////////////////////////
rlm@1: // VideoDriverSelect dialog
rlm@1: 
rlm@1: VideoDriverSelect::VideoDriverSelect(CWnd*pParent /*=NULL*/)
rlm@1: 	: CDialog(VideoDriverSelect::IDD, pParent)
rlm@1: {
rlm@1: 	//{{AFX_DATA_INIT(VideoDriverSelect)
rlm@1: 	// NOTE: the ClassWizard will add member initialization here
rlm@1: 	//}}AFX_DATA_INIT
rlm@1: }
rlm@1: 
rlm@1: void VideoDriverSelect::DoDataExchange(CDataExchange*pDX)
rlm@1: {
rlm@1: 	CDialog::DoDataExchange(pDX);
rlm@1: 	//{{AFX_DATA_MAP(VideoDriverSelect)
rlm@1: 	DDX_Control(pDX, IDC_DRIVERS, m_drivers);
rlm@1: 	//}}AFX_DATA_MAP
rlm@1: }
rlm@1: 
rlm@1: BEGIN_MESSAGE_MAP(VideoDriverSelect, CDialog)
rlm@1: //{{AFX_MSG_MAP(VideoDriverSelect)
rlm@1: ON_BN_CLICKED(ID_OK, OnOk)
rlm@1: ON_BN_CLICKED(ID_CANCEL, OnCancel)
rlm@1: ON_LBN_SELCHANGE(IDC_DRIVERS, OnSelchangeDrivers)
rlm@1: //}}AFX_MSG_MAP
rlm@1: END_MESSAGE_MAP()
rlm@1: 
rlm@1: /////////////////////////////////////////////////////////////////////////////
rlm@1: // VideoDriverSelect message handlers
rlm@1: 
rlm@1: void VideoDriverSelect::OnCancel()
rlm@1: {
rlm@1: 	EndDialog(-1);
rlm@1: }
rlm@1: 
rlm@1: void VideoDriverSelect::OnOk()
rlm@1: {
rlm@1: 	EndDialog(m_drivers.GetCurSel());
rlm@1: }
rlm@1: 
rlm@1: BOOL VideoDriverSelect::OnInitDialog()
rlm@1: {
rlm@1: 	CDialog::OnInitDialog();
rlm@1: 
rlm@1: 	for (int i = 0; i < gDriverCnt; i++)
rlm@1: 	{
rlm@1: 		m_drivers.AddString(Drivers[i].szDescription);
rlm@1: 	}
rlm@1: 
rlm@1: 	GetDlgItem(ID_OK)->EnableWindow(FALSE);
rlm@1: 	CenterWindow();
rlm@1: 
rlm@1: 	return TRUE; // return TRUE unless you set the focus to a control
rlm@1: 	             // EXCEPTION: OCX Property Pages should return FALSE
rlm@1: }
rlm@1: 
rlm@1: void VideoDriverSelect::OnSelchangeDrivers()
rlm@1: {
rlm@1: 	GetDlgItem(ID_OK)->EnableWindow(m_drivers.GetCurSel() != -1);
rlm@1: }
rlm@1: