ODComboBox.h

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#pragma once
#include "stdafx.h"
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------
//
//
//                                                  WTL Control Library
//                                                           by
//                                            Bright Ideas Software®
//                               Copyright © 2018 by Bright Ideas Software.
//
//
//
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------

namespace BIS_WTL_CONTROLS
{

    //----------------------------------------------------------------------------------------------
    class CODComboBox : public CWindowImpl<CODComboBox, CComboBox>
                                            , public COwnerDraw<CODComboBox>
    {

    private:
        //----------------------------------------------------------------------------------------------
        class CODComboItem
        {

        public:

            CODComboItem() noexcept;
            CODComboItem(std::basic_string<TCHAR> text, COLORREF text_color, COLORREF back_color, HFONT font, int height, 
                                                                    CHorzAlignment horz, CVertAlignment vert, bool wrap, bool use_ellipsis);

            virtual ~CODComboItem();

            void UpdateBrush();

            CString m_Text;
            COLORREF m_BackColor;
            COLORREF m_TextColor;
            HFONT m_Font;
            HBRUSH m_Brush;
            int m_iItemHeight;
            CHorzAlignment m_HorzAlign;
            CVertAlignment m_VertAlign;
            bool m_bWrap;
            bool m_bUseEllipsis;

        };


    public:

        DECLARE_WND_SUPERCLASS(_T("CODComboBox"), CComboBox::GetWndClassName()) 
        



        CODComboBox() noexcept;
        virtual ~CODComboBox();

        void SubclassComboBox(HWND wnd);
        void UnSubclassComboBox();

        void SetAutoAdjustDropRectWidth(bool value);
        bool GetAutoAdjustDropRectWidth() const;

        void SetMaxDropDownWidth(int value);
        int GetMaxDropDownWidth() const;

        void UpdateControlHeight();
        void UpdateDropDownWidth();



        bool ODAddItem();
        bool ODAddItem(std::basic_string<TCHAR> text, COLORREF text_color, COLORREF back_color, HFONT font, int height, 
                                                                    CHorzAlignment horz, CVertAlignment vert, bool wrap, bool use_ellipsis);

        bool ODInsertItem(int index);
        bool ODInsertItem(int index, std::basic_string<TCHAR> text, COLORREF text_color, COLORREF back_color, HFONT font, int height, 
                                                                        CHorzAlignment horz, CVertAlignment vert, bool wrap, bool use_ellipsis);

        bool ODRemoveItem(int index);

        void SetODItemText(int index, std::basic_string<TCHAR> text);
        std::basic_string<TCHAR> GetODItemText(int index) const;

        void SetODItemBackColor(int index, COLORREF color);
        COLORREF GetODItemBackColor(int index) const;

        void SetODItemTextColor(int index, COLORREF color);
        COLORREF GetODItemTextColor(int index) const;

        void SetODItemFont(int index, HFONT font);
        HFONT GetODItemFont(int index) const;

        void SetODItemHeight(int index, int height);
        int GetODItemHeight(int index) const;

        void SetODItemHorzAlignment(int index, CHorzAlignment value);
        CHorzAlignment GetODItemHorzAlignment(int index) const;

        void SetODItemVertAlignment(int index, CVertAlignment value);
        CVertAlignment GetODItemVertAlignment(int index) const;

        void SetODItemWordWrap(int index, bool wrap);
        bool GetODItemWordWrap(int index) const;

        void SetODItemUseEllipsis(int index, bool ellipsis);
        bool GetODItemUseEllipsis(int index)  const;

        void DeleteItem( LPDELETEITEMSTRUCT lpDeleteItemStruct);
        int CompareItem(LPCOMPAREITEMSTRUCT lpCompareItemStruct);
        void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
        void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);

    private:

 
        bool m_bAutoAdjustDropWidth;
        int m_iMaxDropDownWidth;

        HWND m_wndControl;
        HWND m_wndListBox;

        CWindow m_ControlWnd;
        CListBox m_ListBox;

        CODComboItem* GetAndVerifyItemData(int index) const;

        UINT GetTextFormat(CODComboItem* item);


        BEGIN_MSG_MAP_EX(CODComboBox)
            CHAIN_MSG_MAP_ALT(COwnerDraw<CODComboBox>, 1)
            DEFAULT_REFLECTION_HANDLER()
        END_MSG_MAP()

              

    };
        //----------------------------------------------------------------------------------------------
};