deskcplx.h File Reference

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Classes
struct	_DESK_EXT_INTERFACE

Macros
#define	DESK_EXT_CALLBACK   CALLBACK
#define	DESK_EXT_EXTINTERFACE   TEXT("Desk.cpl extension interface")
#define	DESK_EXT_PRUNINGMODE   TEXT("Pruning Mode")
#define	DESK_EXT_DISPLAYDEVICE   TEXT("Display Device")
#define	DESK_EXT_DISPLAYNAME   TEXT("Display Name")
#define	DESK_EXT_DISPLAYID   TEXT("Display ID")
#define	DESK_EXT_DISPLAYKEY   TEXT("Display Key")
#define	DESK_EXT_DISPLAYSTATEFLAGS   TEXT("Display State Flags")
#define	DESK_EXT_MONITORNAME   TEXT("Monitor Name")
#define	DESK_EXT_MONITORDEVICE   TEXT("Monitor Device")

Typedefs
typedef PDEVMODEW(DESK_EXT_CALLBACK *	PDESK_EXT_ENUMALLMODES) (PVOID Context, DWORD Index)
typedef PDEVMODEW(DESK_EXT_CALLBACK *	PDESK_EXT_GETCURRENTMODE) (PVOID Context)
typedef BOOL(DESK_EXT_CALLBACK *	PDESK_EXT_SETCURRENTMODE) (PVOID Context, DEVMODEW *pDevMode)
typedef VOID(DESK_EXT_CALLBACK *	PDESK_EXT_GETPRUNINGMODE) (PVOID Context, PBOOL pbModesPruned, PBOOL pbKeyIsReadOnly, PBOOL pbPruningOn)
typedef VOID(DESK_EXT_CALLBACK *	PDESK_EXT_SETPRUNINGMODE) (PVOID Context, BOOL PruningOn)
typedef struct _DESK_EXT_INTERFACE	DESK_EXT_INTERFACE
typedef struct _DESK_EXT_INTERFACE *	PDESK_EXT_INTERFACE

Functions
LONG WINAPI	DisplaySaveSettings (PVOID pContext, HWND hwndPropSheet)
static __inline PDESK_EXT_INTERFACE	QueryDeskCplExtInterface (IDataObject *pdo)
static __inline LPTSTR	QueryDeskCplString (IDataObject *pdo, UINT cfFormat)
static __inline LONG	DeskCplExtDisplaySaveSettings (PDESK_EXT_INTERFACE DeskExtInterface, HWND hwndDlg)

Macro Definition Documentation

DESK_EXT_CALLBACK

#define DESK_EXT_CALLBACK   CALLBACK

Definition at line 4 of file deskcplx.h.

DESK_EXT_DISPLAYDEVICE

#define DESK_EXT_DISPLAYDEVICE   TEXT("Display Device")

Definition at line 8 of file deskcplx.h.

DESK_EXT_DISPLAYID

#define DESK_EXT_DISPLAYID   TEXT("Display ID")

Definition at line 10 of file deskcplx.h.

DESK_EXT_DISPLAYKEY

#define DESK_EXT_DISPLAYKEY   TEXT("Display Key")

Definition at line 11 of file deskcplx.h.

DESK_EXT_DISPLAYNAME

#define DESK_EXT_DISPLAYNAME   TEXT("Display Name")

Definition at line 9 of file deskcplx.h.

DESK_EXT_DISPLAYSTATEFLAGS

#define DESK_EXT_DISPLAYSTATEFLAGS   TEXT("Display State Flags")

Definition at line 12 of file deskcplx.h.

DESK_EXT_EXTINTERFACE

#define DESK_EXT_EXTINTERFACE   TEXT("Desk.cpl extension interface")

Definition at line 6 of file deskcplx.h.

DESK_EXT_MONITORDEVICE

#define DESK_EXT_MONITORDEVICE   TEXT("Monitor Device")

Definition at line 14 of file deskcplx.h.

DESK_EXT_MONITORNAME

#define DESK_EXT_MONITORNAME   TEXT("Monitor Name")

Definition at line 13 of file deskcplx.h.

DESK_EXT_PRUNINGMODE

#define DESK_EXT_PRUNINGMODE   TEXT("Pruning Mode")

Definition at line 7 of file deskcplx.h.

Typedef Documentation

DESK_EXT_INTERFACE

typedef struct _DESK_EXT_INTERFACE DESK_EXT_INTERFACE

PDESK_EXT_ENUMALLMODES

typedef PDEVMODEW(DESK_EXT_CALLBACK * PDESK_EXT_ENUMALLMODES) (PVOID Context, DWORD Index)

Definition at line 16 of file deskcplx.h.

PDESK_EXT_GETCURRENTMODE

typedef PDEVMODEW(DESK_EXT_CALLBACK * PDESK_EXT_GETCURRENTMODE) (PVOID Context)

Definition at line 17 of file deskcplx.h.

PDESK_EXT_GETPRUNINGMODE

typedef VOID(DESK_EXT_CALLBACK * PDESK_EXT_GETPRUNINGMODE) (PVOID Context, PBOOL pbModesPruned, PBOOL pbKeyIsReadOnly, PBOOL pbPruningOn)

Definition at line 19 of file deskcplx.h.

PDESK_EXT_INTERFACE

typedef struct _DESK_EXT_INTERFACE * PDESK_EXT_INTERFACE

PDESK_EXT_SETCURRENTMODE

typedef BOOL(DESK_EXT_CALLBACK * PDESK_EXT_SETCURRENTMODE) (PVOID Context, DEVMODEW *pDevMode)

Definition at line 18 of file deskcplx.h.

PDESK_EXT_SETPRUNINGMODE

typedef VOID(DESK_EXT_CALLBACK * PDESK_EXT_SETPRUNINGMODE) (PVOID Context, BOOL PruningOn)

Definition at line 20 of file deskcplx.h.

Function Documentation

DeskCplExtDisplaySaveSettings()

static __inline LONG DeskCplExtDisplaySaveSettings ( PDESK_EXT_INTERFACE  DeskExtInterface, HWND  hwndDlg  )

static

Definition at line 122 of file deskcplx.h.

{
    typedef LONG (WINAPI *PDISPLAYSAVESETTINGS)(PVOID, HWND);
    HMODULE hModDeskCpl;
    PDISPLAYSAVESETTINGS pDisplaySaveSettings;
    LONG lRet = DISP_CHANGE_BADPARAM;
 
    /* We could use GetModuleHandle() instead, but then this routine
       wouldn't work if some other application hosts the shell extension */
    hModDeskCpl = LoadLibrary(TEXT("desk.cpl"));
    if (hModDeskCpl != NULL)
    {
        pDisplaySaveSettings = (PDISPLAYSAVESETTINGS)GetProcAddress(hModDeskCpl,
                                                                    "DisplaySaveSettings");
        if (pDisplaySaveSettings != NULL)
        {
            lRet = pDisplaySaveSettings(DeskExtInterface->Context,
                                        hwndDlg);
        }
 
        FreeLibrary(hModDeskCpl);
    }
 
    return lRet;
}

Referenced by ApplyDisplayAdapterChanges(), and ApplyMonitorChanges().

DisplaySaveSettings()

LONG WINAPI DisplaySaveSettings	(	PVOID	pContext,
		HWND	hwndPropSheet
	)

Definition at line 1070 of file devsett.c.

{
    PCDevSettings This = impl_from_IDataObject((IDataObject *)pContext);
    LONG rc = DISP_CHANGE_SUCCESSFUL;
 
    if (This->lpCurDevMode != This->lpOrigDevMode)
    {
        SETTINGS_ENTRY seOrig, seCur;
        BOOL Ret;
 
        seOrig.dmPelsWidth = This->lpOrigDevMode->dmPelsWidth;
        seOrig.dmPelsHeight = This->lpOrigDevMode->dmPelsHeight;
        seOrig.dmBitsPerPel = This->lpOrigDevMode->dmBitsPerPel;
        seOrig.dmDisplayFrequency = This->lpOrigDevMode->dmDisplayFrequency;
 
        seCur.dmPelsWidth = This->lpCurDevMode->dmPelsWidth;
        seCur.dmPelsHeight = This->lpCurDevMode->dmPelsHeight;
        seCur.dmBitsPerPel = This->lpCurDevMode->dmBitsPerPel;
        seCur.dmDisplayFrequency = This->lpCurDevMode->dmDisplayFrequency;
 
        Ret = SwitchDisplayMode(hwndPropSheet,
                                This->pDisplayDevice,
                                &seOrig,
                                &seCur,
                                &rc);
 
        if (rc == DISP_CHANGE_SUCCESSFUL)
        {
            if (Ret)
                This->lpOrigDevMode = This->lpCurDevMode;
            else
                This->lpCurDevMode = This->lpOrigDevMode;
        }
    }
 
    return rc;
}

QueryDeskCplExtInterface()

static __inline PDESK_EXT_INTERFACE QueryDeskCplExtInterface ( IDataObject *  pdo )

static

Definition at line 48 of file deskcplx.h.

{
    PDESK_EXT_INTERFACE pRecvBuffer, pExtIface = NULL;
    FORMATETC fetc;
    STGMEDIUM medium;
 
    fetc.cfFormat = (CLIPFORMAT)RegisterClipboardFormat(DESK_EXT_EXTINTERFACE);
    fetc.ptd = NULL;
    fetc.dwAspect = DVASPECT_CONTENT;
    fetc.lindex = -1;
    fetc.tymed = TYMED_HGLOBAL;
 
    if (SUCCEEDED(IDataObject_GetData(pdo, &fetc, &medium)) && medium.hGlobal != NULL)
    {
        /* We always receive the string in unicode! */
        pRecvBuffer = (PDESK_EXT_INTERFACE)GlobalLock(medium.hGlobal);
 
        if (pRecvBuffer->cbSize == sizeof(*pRecvBuffer))
        {
            pExtIface = LocalAlloc(LMEM_FIXED, sizeof(*pExtIface));
            if (pExtIface != NULL)
            {
                CopyMemory(pExtIface,
                           pRecvBuffer,
                           sizeof(*pRecvBuffer));
            }
        }
 
        GlobalUnlock(medium.hGlobal);
        ReleaseStgMedium(&medium);
    }
 
    return pExtIface;
}

Referenced by IDeskDisplayAdapter_Initialize(), and IDeskMonitor_Initialize().

QueryDeskCplString()

static __inline LPTSTR QueryDeskCplString ( IDataObject *  pdo, UINT  cfFormat  )

static

Definition at line 84 of file deskcplx.h.

{
    FORMATETC fetc;
    STGMEDIUM medium;
    SIZE_T BufLen;
    LPWSTR lpRecvBuffer;
    LPTSTR lpStr = NULL;
 
    fetc.cfFormat = (CLIPFORMAT)cfFormat;
    fetc.ptd = NULL;
    fetc.dwAspect = DVASPECT_CONTENT;
    fetc.lindex = -1;
    fetc.tymed = TYMED_HGLOBAL;
 
    if (SUCCEEDED(IDataObject_GetData(pdo, &fetc, &medium)) && medium.hGlobal != NULL)
    {
        /* We always receive the string in unicode! */
        lpRecvBuffer = (LPWSTR)GlobalLock(medium.hGlobal);
 
        BufLen = wcslen(lpRecvBuffer) + 1;
        lpStr = LocalAlloc(LMEM_FIXED, BufLen * sizeof(TCHAR));
        if (lpStr != NULL)
        {
#ifdef UNICODE
            wcscpy(lpStr, lpRecvBuffer);
#else
            WideCharToMultiByte(CP_ACP, 0, lpRecvBuffer, -1, lpStr, BufLen, NULL, NULL);
#endif
        }
 
        GlobalUnlock(medium.hGlobal);
        ReleaseStgMedium(&medium);
    }
 
    return lpStr;
}

Referenced by BuildAdvPropTitle(), InitDisplayAdapterDialog(), and InitMonitorDialog().