windows-nt/Source/XPSP1/NT/shell/shell32/unicpp/dback.h

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2020-09-26 03:20:57 -05:00
#ifndef _DBACK_H_
#define _DBACK_H_
#include <shimgdata.h>
#include "theme.h"
#include "dcomp.h"
#include "colorctrl.h"
#define SZ_ICONHEADER L"CLSID\\{"
HRESULT GetActiveDesktop(IActiveDesktop ** ppActiveDesktop);
HRESULT ReleaseActiveDesktop(IActiveDesktop ** ppActiveDesktop);
EXTERN_C BOOL g_fDirtyAdvanced;
EXTERN_C BOOL g_fLaunchGallery;
typedef struct tagDESKICONDATA {
BOOL fHideIcon; //To hide the icon on desktop?
BOOL fDirty; //Has this entry been modified and we not yet saved.
} DESKICONDATA;
typedef struct tagDeskIconNonEnumData {
ULONG rgfAttributes; // ShellFolder\Attributes are saved here.
BOOL fNonEnumPolicySet; // Disable the control because of policy Set.
} DESKICON_NONENUMDATA;
class CBackPropSheetPage : public CObjectWithSite
, public CObjectCLSID
, public IBasePropPage
, public IPropertyBag
{
public:
// *** IUnknown ***
virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObj);
virtual STDMETHODIMP_(ULONG) AddRef(void);
virtual STDMETHODIMP_(ULONG) Release(void);
// *** IBasePropPage ***
virtual STDMETHODIMP GetAdvancedDialog(OUT IAdvancedDialog ** ppAdvDialog);
virtual STDMETHODIMP OnApply(IN PROPPAGEONAPPLY oaAction);
// *** IPropertyBag ***
virtual STDMETHODIMP Read(IN LPCOLESTR pszPropName, IN VARIANT * pVar, IN IErrorLog *pErrorLog);
virtual STDMETHODIMP Write(IN LPCOLESTR pszPropName, IN VARIANT *pVar);
// *** IShellPropSheetExt ***
virtual STDMETHODIMP AddPages(IN LPFNSVADDPROPSHEETPAGE pfnAddPage, IN LPARAM lParam);
virtual STDMETHODIMP ReplacePage(IN EXPPS uPageID, IN LPFNSVADDPROPSHEETPAGE pfnReplaceWith, IN LPARAM lParam) {return E_NOTIMPL;}
CBackPropSheetPage(void);
virtual ~CBackPropSheetPage(void);
protected:
ICONDATA _IconData[NUM_ICONS];
DESKICONDATA _aHideDesktopIcon[2][NUM_DESKICONS];
BOOL _fHideDesktopIconDirty;
DESKICON_NONENUMDATA _aDeskIconNonEnumData[NUM_DESKICONS];
BOOL _fStateLoaded; // Have we loaded the state yet?
BOOL _fOpenAdvOnInit; // Does the caller want us to open the Advanced dialog when we initialize?
HWND _hwnd; // This is the hwnd of the property page.
HWND _hwndLV;
HWND _hwndWPStyle;
BOOL _fAllowHtml;
BOOL _fAllowAD;
BOOL _fAllowChanges;
BOOL _fPolicyForWallpaper; //Is there a policy for wallpaper?
BOOL _fPolicyForStyle; //Is there a policy for Wallpaper style?
BOOL _fForceAD; //Is there a policy to force Active desktop to be ON?
BOOL _fSelectionFromUser; // Is the user making the selection?
DWORD _dwApplyFlags; //Is there a policy to force Active desktop to be ON?
CColorControl _colorControl;
COLORREF _rgbBkgdColor;
void _AddPicturesFromDir(LPCTSTR pszDirName, BOOL fCount);
int _AddAFileToLV(LPCTSTR pszDir, LPTSTR pszFile, UINT nBitmap);
void _AddFilesToLV(LPCTSTR pszDir, LPCTSTR pszSpec, UINT nBitmap, BOOL fCount);
int _FindWallpaper(LPCTSTR pszFile);
HRESULT _SetNewWallpaper(IN LPCTSTR pszFile, IN BOOL fUpdateThemePage);
void _UpdatePreview(IN WPARAM flags, IN BOOL fUpdateThemePage);
void _EnableControls(void);
int _GetImageIndex(LPCTSTR pszFile);
static int CALLBACK _SortBackgrounds(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort);
HRESULT _LoadState(void);
HRESULT _LoadIconState(void);
HRESULT _LoadDesktopOptionsState(void);
HRESULT _SaveIconState(void);
HRESULT _SaveDesktopOptionsState(void);
HRESULT _GetIconPath(IN CLSID clsid, IN LPCWSTR pszName, IN BOOL fOldIcon, IN LPWSTR pszPath, IN DWORD cchSize);
HRESULT _SetIconPath(IN CLSID clsid, IN LPCWSTR pszName, IN LPCWSTR pszPath, IN int nResourceID);
void _OnInitDialog(HWND hwnd);
void _OnNotify(LPNMHDR lpnm);
void _OnCommand(HWND hdlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
void _OnDestroy(void);
HRESULT _OnApply(void);
HRESULT _AddFilesToList(void);
HRESULT _AddPicturesFromDirRecursively(IN LPCTSTR pszDirName, BOOL fCount);
HRESULT _GetHardDirThemesDir(LPTSTR pszPath, DWORD cchSize);
HRESULT _GetKidsThemesDir(LPTSTR pszPath, DWORD cchSize);
HRESULT _GetPlus95ThemesDir(LPTSTR pszPath, DWORD cchSize);
HRESULT _GetPlus98ThemesDir(LPTSTR pszPath, DWORD cchSize);
HRESULT _StartSizeChecker(void);
DWORD _SizeCheckerThreadProc(void);
static DWORD CALLBACK SizeCheckerThreadProc(LPVOID pvThis) { return ((CBackPropSheetPage *) pvThis)->_SizeCheckerThreadProc(); };
private:
UINT _cRef; // Reference count
BOOL _fThemePreviewCreated;
IThemePreview* _pThemePreview;
LPTSTR _pszOriginalFile; // If we are using a temp file, this is the original file selected. (non-.bmp). This updates as the user selects different files.
LPTSTR _pszOrigLastApplied; // Same as _pszOriginalFile except it doesn't change until apply is pressed.
LPWSTR _pszWallpaperInUse; // If using a temp file, keep the name in use so we don't stomp it while the user is previewing other files.
LPWSTR _pszLastSourcePath; // This will always be the last wallpaper set and it will be the pre-converted path.
FILETIME _ftLastWrite; // The date that the original file was last written to.
BOOL _fWallpaperChanged; // Did another tab change the wallpaper?
IMruDataList * _pSizeMRU; // MRU of Background wallpapers.
BOOL _fScanFinished; // Did we finish the background scan?
BOOL _fInitialized; //
int _nFileCount; // This is used when counting how many pictures are in the "My Pictures" folder.
int _nFileMax; // This is used when counting how many pictures are in the "My Pictures" folder.
// These objects are owned by the background thread.
IMruDataList * _pSizeMRUBk; // WARNING: Owned by SizeCheckerThreadProc background thread.
IShellImageDataFactory * _pImgFactBk; // Image factory used to compute size of background image to decide to default to tile or stretch
// Private Member Functions
HRESULT _LoadTempWallpaperSettings(IN LPCWSTR pszWallpaperFile);
HRESULT _LaunchAdvancedDisplayProperties(HWND hwnd);
INT_PTR _BackgroundDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
HRESULT _SetNewWallpaperTile(IN DWORD dwMode, IN BOOL fUpdateThemePage);
HRESULT _BrowseForBackground(void);
HRESULT _LoadBackgroundColor(IN BOOL fInit);
HRESULT _Initialize(void);
BOOL _DoesDirHaveMoreThanMax(LPCTSTR pszPath, int nMax);
DWORD _GetStretchMode(IN LPCTSTR pszPath);
HRESULT _GetMRUObject(IMruDataList ** ppSizeMRU);
HRESULT _CalcSizeFromDir(IN LPCTSTR szPath, IN OUT DWORD * pdwAdded, IN BOOL fRecursive);
HRESULT _CalcSizeForFile(IN LPCTSTR pszPath, IN WIN32_FIND_DATA * pfdFile, IN OUT DWORD * pdwAdded);
static INT_PTR CALLBACK BackgroundDlgProc(HWND hDlg, UINT uMessage, WPARAM wParam, LPARAM lParam);
};
#endif