/*++

Copyright (C) 1996-1999 Microsoft Corporation

Module Name:

    ctrprop.h

Abstract:

    Header file for the counter date property page

--*/

#ifndef _CTRPROP_H_
#define _CTRPROP_H_

#include "smonprop.h"
#include "visuals.h"


// Property Page Dialog IDs
#define IDD_CTR_PROPP_DLG           200
#define IDC_CTRLIST                 201
#define IDC_ADDCTR                  202
#define IDC_DELCTR                  203
#define IDC_ADDCTR_TEXT             204
#define IDC_LINECOLOR               205
#define IDC_LINESCALE               206
#define IDC_LINEWIDTH               207
#define IDC_LINESTYLE               208
#define IDC_LABEL_LINECOLOR         209
#define IDC_LABEL_LINESCALE         210
#define IDC_LABEL_LINEWIDTH         211
#define IDC_LABEL_LINESTYLE         212

typedef struct _ItemProps
{
    // Combo box indices
    INT         iColorIndex;
    INT         iStyleIndex;
    INT         iScaleIndex;
    INT         iWidthIndex;
    // Custom color
    COLORREF    rgbColor;
} ItemProps;

typedef struct _ItemInfo
{
    struct _ItemInfo * pNextInfo;
    ICounterItem *     pItem;
    LPTSTR             pszPath;
    BOOL               fLoaded:1,
                       fChanged:1,
                       fAdded:1;
    ItemProps          Props;
    PPDH_COUNTER_PATH_ELEMENTS pCounter;
} ItemInfo, *PItemInfo;

class CCounterPropPage : public CSysmonPropPage
{
    friend static HRESULT AddCallback (
        LPTSTR  pszPathName,
        DWORD_PTR lpUserData,
        DWORD   dwFlags
    );

    public:
                CCounterPropPage(void);
        virtual ~CCounterPropPage(void);

    protected:
        virtual BOOL GetProperties(void);   //Read current options
        virtual BOOL SetProperties(void);   //Set new options
        virtual void DeinitControls(void);       // Deinitialize dialog controls

        virtual void DialogItemChange(WORD wId, WORD wMsg); // Handle item change
        virtual void MeasureItem(PMEASUREITEMSTRUCT); // Handle user measure req
        virtual void DrawItem(PDRAWITEMSTRUCT);  // Handle user draw req
        virtual HRESULT EditPropertyImpl( DISPID dispID);   // Set focus to control      
    
    private:

        void    DeleteInfo(PItemInfo pInfo);
        void    SetStyleComboEnable();      // Enable/disable based on current width value
        void    InitDialog(void);
        void    AddCounters(void);
        HRESULT NewItem(LPTSTR pszPath, DWORD dwFlags);
        INT     AddItemToList(PItemInfo pInfo);
        void    DeleteItem();
        void    LoadItemProps(PItemInfo pInfo);
        void    DisplayItemProps(PItemInfo pInfo);
        void    SelectItem(INT iItem);
        INT     SelectMatchingItem(INT iColor, COLORREF rgbCustomColor, INT iWidth, INT iStyle);

        INT     ScaleFactorToIndex ( INT iScaleFactor );
        INT     IndexToScaleFactor ( INT iScaleIndex );

		void	IncrementLocalVisuals ( void );
		void	SetModifiedSelectedVisuals ( BOOL bModified = TRUE ) { m_bAreModSelectedVisuals = bModified; };
		BOOL	AreModifiedSelectedVisuals ( void ){ return m_bAreModSelectedVisuals; };


    private:
        PItemInfo   m_pInfoSel;
        PItemInfo   m_pInfoDeleted;
        ItemProps   m_props;
        INT         m_iAddIndex;
        DWORD       m_dwMaxHorizListExtent;     
        BOOL        m_bAreModSelectedVisuals;

        PDH_BROWSE_DLG_CONFIG   m_BrowseInfo;

        enum eValueRange {
            eHashTableSize = 257
        };
        typedef struct _HASH_ENTRY {
            struct _HASH_ENTRY* pNext;
            PPDH_COUNTER_PATH_ELEMENTS pCounter;
        } HASH_ENTRY, *PHASH_ENTRY;

        PHASH_ENTRY  m_HashTable[257];
        BOOL  m_fHashTableSetup;

        ULONG HashCounter ( LPTSTR szCounterName );
public:

    BOOL  RemoveCounterFromHashTable( LPTSTR pszPath, PPDH_COUNTER_PATH_ELEMENTS pCounter);
    void  InitializeHashTable( void );
    void  ClearCountersHashTable ( void );
    DWORD InsertCounterToHashTable ( LPTSTR pszPath, PPDH_COUNTER_PATH_ELEMENTS* ppCounter );

};
typedef CCounterPropPage *PCCounterPropPage;

DEFINE_GUID(CLSID_CounterPropPage,
            0xcf948561, 0xede8, 0x11ce, 0x94, 0x1e, 0x0, 0x80, 0x29, 0x0, 0x43, 0x47);

#endif //_CTRPROP_H_