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/**************************************************************************\
* Module Name: settings.hxx * * CDeviceSettings class * * This class is in charge of all the settings specific to one display * device. Including Screen Size, Color Depth, Font size. * * Copyright (c) Microsoft Corp. 1992-1998 All Rights Reserved * \**************************************************************************/
#ifndef SETTINGS_HXX
#define SETTINGS_HXX
#define MAKEXYRES(p,xval,yval) ((p)->x = xval, (p)->y = yval)
#define _CURXRES ((_pCurDevmode != NULL) ? (int)_pCurDevmode->dmPelsWidth : -1)
#define _CURYRES ((_pCurDevmode != NULL) ? (int)_pCurDevmode->dmPelsHeight : -1)
#define _ORGXRES ((_pOrgDevmode != NULL) ? (int)_pOrgDevmode->dmPelsWidth : -1)
#define _ORGYRES ((_pOrgDevmode != NULL) ? (int)_pOrgDevmode->dmPelsHeight : -1)
#define _CURCOLOR ((_pCurDevmode != NULL) ? (int)_pCurDevmode->dmBitsPerPel : -1)
#define _ORGCOLOR ((_pOrgDevmode != NULL) ? (int)_pOrgDevmode->dmBitsPerPel : -1)
#define _CURFREQ ((_pCurDevmode != NULL) ? (int)_pCurDevmode->dmDisplayFrequency : -1)
#define _ORGFREQ ((_pOrgDevmode != NULL) ? (int)_pOrgDevmode->dmDisplayFrequency : -1)
#define MODE_INVALID 0x00000001
#define MODE_RAW 0x00000002
typedef struct _MODEARRAY {
DWORD dwFlags; LPDEVMODE lpdm;
} MODEARRAY, *PMODEARRAY;
HRESULT CDisplaySettings_CreateInstance(IN IUnknown * punkOuter, IN REFIID riid, OUT LPVOID * ppvObj);
class CDisplaySettings : public IDataObject, public IDisplaySettings { public:
CDisplaySettings(); ~CDisplaySettings();
// General Settings support
BOOL InitSettings(LPDISPLAY_DEVICE pDisplay); int SaveSettings(DWORD dwSet); int RestoreSettings(); BOOL ConfirmChangeSettings(); BOOL IsKnownSafe(); BOOL bIsModeChanged() {return _pCurDevmode != _pOrgDevmode;}
// Device Settings
void SetPrimary(BOOL fPrimary) { _fPrimary = fPrimary; }; void SetAttached(BOOL fAttached) { _fCurAttached = fAttached; }; BOOL IsPrimary() { return _fPrimary; }; BOOL IsAttached() { return _fCurAttached; }; BOOL IsOrgAttached() { return _fOrgAttached; }; BOOL IsSmallFontNecessary(); BOOL IsRemovable() { return ((_pDisplayDevice->StateFlags & DISPLAY_DEVICE_REMOVABLE) != 0); }
LPDEVMODE GetCurrentDevMode(void);
// Color information
int GetColorList(LPPOINT Res, PLONGLONG *ppColor); void SetCurColor(int Color) { _BestMatch(NULL, Color, FALSE); } int GetCurColor() { return _CURCOLOR;} BOOL IsColorChanged() { return (_ORGCOLOR == -1) ? FALSE : (_CURCOLOR != _ORGCOLOR); }
// Resolution information
int GetResolutionList(int Color, PPOINT *ppRes); void SetCurResolution(LPPOINT ppt, IN BOOL fAutoSetColorDepth) { _BestMatch(ppt, -1, fAutoSetColorDepth); } void GetCurResolution(LPPOINT ppt) { ppt->x = _CURXRES; ppt->y = _CURYRES; } BOOL IsResolutionChanged() { if (_ORGXRES == -1) return FALSE; else return ((_CURXRES != _ORGXRES) && (_CURYRES != _ORGYRES)); }
int GetFrequencyList(int Color, LPPOINT Res, PLONGLONG *ppFreq); void SetCurFrequency(int Frequency); int GetCurFrequency() { return _CURFREQ; } BOOL IsFrequencyChanged() { return (_ORGFREQ == -1) ? FALSE : (_CURFREQ != _ORGFREQ); }
// Position information
void SetCurPosition(LPPOINT ppt) {_ptCurPos = *ppt;} void SetOrgPosition(LPPOINT ppt) {_ptOrgPos = *ppt;} void GetCurPosition(PRECT prc) { prc->left = _ptCurPos.x; prc->top = _ptCurPos.y; prc->right = _ptCurPos.x + _CURXRES; prc->bottom = _ptCurPos.y + _CURYRES; } void GetOrgPosition(PRECT prc) { prc->left = _ptOrgPos.x; prc->top = _ptOrgPos.y; prc->right = _ptOrgPos.x + _ORGXRES; prc->bottom = _ptOrgPos.y + _ORGYRES; }
void GetPreviewPosition(PRECT prc) { *prc = _rcPreview; }
void SetPreviewPosition(PRECT prc) { _rcPreview = *prc; }
// Adapter & Monitor information
BOOL GetMonitorName(LPTSTR pszName, DWORD cchSize); BOOL GetMonitorDevice(LPTSTR pszDevice); HRESULT GetDevInstID(LPTSTR lpszDeviceKey, STGMEDIUM *pstgmed);
// *** IUnknown methods
STDMETHODIMP QueryInterface(REFIID riid, PVOID *ppvObj); STDMETHODIMP_(ULONG) AddRef(void); STDMETHODIMP_(ULONG) Release(void);
// *** IDataObject methods
STDMETHODIMP GetData(FORMATETC *pfmtetcIn, STGMEDIUM *pstgmed); STDMETHODIMP GetDataHere(FORMATETC *pfmtetc, STGMEDIUM *pstgpmed); STDMETHODIMP QueryGetData(FORMATETC *pfmtetc); STDMETHODIMP GetCanonicalFormatEtc(FORMATETC *pfmtetcIn, FORMATETC *pfmtetcOut); STDMETHODIMP SetData(FORMATETC *pfmtetc, STGMEDIUM *pstgmed, BOOL bRelease); STDMETHODIMP EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppienumFormatEtc); STDMETHODIMP DAdvise(FORMATETC *pfmtetc, DWORD dwAdviseFlags, IAdviseSink * piadvsink, PDWORD pdwConnection); STDMETHODIMP DUnadvise(DWORD dwConnection); STDMETHODIMP EnumDAdvise(IEnumSTATDATA **ppienumStatData);
// Helper functions
STDMETHODIMP CopyDataToStorage(STGMEDIUM *pstgmed, LPTSTR pszOut);
// *** IDisplaySettings methods
STDMETHODIMP SetMonitor(DWORD dwMonitor); STDMETHODIMP GetModeCount(DWORD* pdwCount, BOOL fOnlyPreferredModes); STDMETHODIMP GetMode(DWORD dwMode, BOOL fOnlyPreferredModes, DWORD* pdwWidth, DWORD* pdwHeight, DWORD* pdwColor); STDMETHODIMP SetSelectedMode(HWND hwnd, DWORD dwWidth, DWORD dwHeight, DWORD dwColor, BOOL* pfApplied, DWORD dwFlags); STDMETHODIMP GetSelectedMode(DWORD* pdwWidth, DWORD* pdwHeight, DWORD* pdwColor); STDMETHODIMP GetAttached(BOOL* pfAttached); STDMETHODIMP SetPruningMode(BOOL fIsPruningOn); STDMETHODIMP GetPruningMode(BOOL* pfCanBePruned, BOOL* pfIsPruningReadOnly, BOOL* pfIsPruningOn);
protected: // The Display Device we are currently working with.
LPDISPLAY_DEVICE _pDisplayDevice;
ULONG _cpdm; PMODEARRAY _apdm;
// The current system settings
POINT _ptOrgPos; LPDEVMODE _pOrgDevmode; BOOL _fOrgAttached;
// The current CPL settings.
POINT _ptCurPos; LPDEVMODE _pCurDevmode; BOOL _fCurAttached; RECT _rcPreview;
// If the current device is attached to the desktop
BOOL _fUsingDefault; BOOL _fPrimary;
// Pruning
BOOL _bCanBePruned; // true if raw mode list != pruned mode list
BOOL _bIsPruningReadOnly; // true if can be pruned and pruning mode can be written
BOOL _bIsPruningOn; // true if can be pruned and pruning mode is on
HKEY _hPruningRegKey;
// Orientation
BOOL _bFilterOrientation; DWORD _dwOrientation; BOOL _bFilterFixedOutput; DWORD _dwFixedOutput; // Ref count for IDataObject
LONG _cRef;
// Private functions
void _Dump_CDisplaySettings(BOOL bAll); void _Dump_CDevmodeList(VOID); void _Dump_CDevmode(LPDEVMODE pdm); int _InsertSortedDwords(int val1, int val2, int cval, int **ppval); BOOL _AddDevMode(LPDEVMODE lpdm); void _BestMatch(LPPOINT Res, int Color, IN BOOL fAutoSetColorDepth); BOOL _ExactMatch(LPDEVMODE lpdm, BOOL bForceVisible); BOOL _PerfectMatch(LPDEVMODE lpdm); void _SetCurrentValues(LPDEVMODE lpdm); int _GetCurrentModeFrequencyList(int Color, LPPOINT Res, PLONGLONG *ppFrequency); BOOL _MarkMode(LPDEVMODE lpdm); BOOL _IsCurDevmodeRaw(); BOOL _IsModeVisible(int i); BOOL _IsModePreferred(int i); static BOOL _IsModeVisible(CDisplaySettings* pSettings, int i);
// OLE support for extensibility.
void _InitClipboardFormats(); void _FilterModes(); void _SetFilterOptions(LPCTSTR pszDeviceName, LPDEVMODEW lpdm);
static LPDEVMODEW _lpfnEnumAllModes(LPVOID pContext, DWORD iMode); static BOOL _lpfnSetSelectedMode(LPVOID pContext, LPDEVMODEW lpdm); static LPDEVMODEW _lpfnGetSelectedMode(LPVOID pContext); static VOID _lpfnSetPruningMode(LPVOID pContext, BOOL bIsPruningOn); static VOID _lpfnGetPruningMode(LPVOID pContext, BOOL* pbCanBePruned, BOOL* pbIsPruningReadOnly, BOOL* pbIsPruningOn);
private: HRESULT _GetRegKey(LPDEVMODE pDevmode, int * pnIndex, LPTSTR pszRegKey, DWORD cchSize, LPTSTR pszRegValue, DWORD cchValueSize); };
#endif // SETTINGS_HXX
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