windows-nt/Source/XPSP1/NT/shell/themes/themeui/themepg.h

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2020-09-26 03:20:57 -05:00
/*****************************************************************************\
FILE: ThemePg.h
DESCRIPTION:
This code will display a "Theme" tab in the
"Display Properties" dialog (the base dialog, not the advanced dlg).
BryanSt 3/23/2000 Updated and Converted to C++
Copyright (C) Microsoft Corp 1993-2000. All rights reserved.
\*****************************************************************************/
#ifndef _THEMEPG_H
#define _THEMEPG_H
#include <cowsite.h>
#include "PreviewTh.h"
#include "ThSettingsPg.h"
#define SIZE_ICONS_ARRAY 5
extern LPCWSTR s_Icons[SIZE_ICONS_ARRAY];
enum eThemeType
{
eThemeFile = 0,
eThemeURL,
eThemeModified,
eThemeOther,
};
typedef struct
{
eThemeType type;
union
{
ITheme * pTheme;
LPWSTR pszUrl;
};
} THEME_ITEM_BLOCK;
class CThemePage : public CObjectWithSite
, public CObjectWindow
, public CObjectCLSID
, public IPropertyBag
, public IBasePropPage
{
public:
//////////////////////////////////////////////////////
// Public Interfaces
//////////////////////////////////////////////////////
// *** IUnknown ***
virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
virtual STDMETHODIMP_(ULONG) AddRef(void);
virtual STDMETHODIMP_(ULONG) Release(void);
// *** 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;}
// *** IObjectWithSite ***
virtual STDMETHODIMP SetSite(IUnknown *punkSite);
// *** IPropertyBag ***
virtual STDMETHODIMP Read(IN LPCOLESTR pszPropName, IN VARIANT * pVar, IN IErrorLog *pErrorLog);
virtual STDMETHODIMP Write(IN LPCOLESTR pszPropName, IN VARIANT *pVar);
// *** IBasePropPage ***
virtual STDMETHODIMP GetAdvancedDialog(OUT IAdvancedDialog ** ppAdvDialog);
virtual STDMETHODIMP OnApply(IN PROPPAGEONAPPLY oaAction);
CThemePage();
protected:
private:
virtual ~CThemePage(void);
// Private Member Variables
long m_cRef;
HWND m_hwndThemeCombo;
HWND m_hwndDeleteButton;
int m_nPreviousSelected; // Track the previously selected item so we can reset.
HKEY m_hkeyFilter; // We cache this key because it will probably be used 16 times.
BOOL m_fFilters[ARRAYSIZE(g_szCBNames)]; // These are the theme filters
ITheme * m_pLastSelected; // Used to see if the user selected the same item.
ITheme * m_pSelectedTheme;
IThemePreview * m_pThemePreview;
IPropertyBag * m_pScreenSaverUI;
IPropertyBag * m_pBackgroundUI;
IPropertyBag * m_pAppearanceUI; // Used to set the system metrics and visual style settings.
LPWSTR m_pszThemeToApply; // When the apply button is pressed, we need to apply this theme.
LPWSTR m_pszThemeLaunched; // When we open up, load this team because the caller wants that theme loaded when the dialog first opens.
LPWSTR m_pszLastAppledTheme; // If NULL, then the theme is modified, otherwise the path to the last applied theme file.
LPWSTR m_pszModifiedName; // This is the display name we use for the "xxx (Modified)" item.
BOOL m_fInInit;
BOOL m_fInited; // Have we loaded the settings yet?
THEME_ITEM_BLOCK m_Modified;
// Private Member Functions
INT_PTR _ThemeDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
HRESULT _OnInitThemesDlg(HWND hDlg);
HRESULT _OnDestroy(HWND hDlg);
INT_PTR _OnCommand(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
HRESULT _OnSetActive(HWND hDlg);
HRESULT _OnApply(HWND hDlg, LPARAM lParam);
HRESULT _OnSetSelection(IN int nIndex);
HRESULT _OnSelectOther(void);
HRESULT _OnThemeChange(HWND hDlg, BOOL fOnlySelect);
HRESULT _OnOpenAdvSettingsDlg(HWND hDlg);
HRESULT _FreeThemeDropdown(void);
HRESULT _UpdatePreview(void);
HRESULT _InitScreenSaver(void);
HRESULT _InitFilterKey(void);
HRESULT _LoadThemeFilterState(void);
HRESULT _SaveThemeFilterState(void);
HRESULT _RemoveTheme(int nIndex);
HRESULT _SaveAs(void);
HRESULT _DeleteTheme(void);
HRESULT _EnableDeleteIfAppropriate(void);
HRESULT _OnSetBackground(void);
HRESULT _OnSetIcons(void);
HRESULT _OnSetSystemMetrics(void);
HRESULT _ApplyThemeFile(void);
HRESULT _RemoveUserTheme(void);
HRESULT _ChooseOtherThemeFile(IN LPCWSTR pszFile, BOOL fOnlySelect);
HRESULT _LoadCustomizeValue(void);
HRESULT _CustomizeTheme(void);
HRESULT _HandleCustomizedEntre(void);
HRESULT _PersistState(void);
HRESULT _AddUrls(void);
HRESULT _AddUrl(LPCTSTR pszDisplayName, LPCTSTR pszUrl);
HRESULT _AddThemeFile(LPCTSTR pszDisplayName, int * pnIndex, ITheme * pTheme);
ITheme * _GetThemeFile(int nIndex);
LPCWSTR _GetThemeUrl(int nIndex);
HRESULT _OnLoadThemeValues(ITheme * pTheme, BOOL fOnlySelect);
HRESULT _DisplayThemeOpenErr(LPCTSTR pszOpenFile);
BOOL _IsFiltered(IN DWORD dwFilter);
BOOL _IsDirty(void);
static INT_PTR CALLBACK ThemeDlgProc(HWND hDlg, UINT uMessage, WPARAM wParam, LPARAM lParam);
};
#endif // _THEMEPG_H