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