ComboBoxPlus.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 CComboBoxPlus  : public CWindowImpl<CComboBoxPlus, CComboBox>
    {


    public:

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


        CComboBoxPlus() noexcept;
        virtual ~CComboBoxPlus();

        void SubclassComboBox(HWND hWnd);
        void UnSubclassComboBox();

        void SetControlBackColor(COLORREF value);
        COLORREF GetControlBackColor() const;

        void SetControlTextColor(COLORREF value);
        COLORREF GetControlTextColor() const;

        void SetControlFocusedBackColor(COLORREF value);
        COLORREF GetControlFocusedBackColor() const;

        void SetControlFocusedTextColor(COLORREF value);
        COLORREF GetControlFocusedTextColor() const;

        void SetListBoxBackColor(COLORREF value);
        COLORREF GetListBoxBackColor() const;

        void SetListBoxTextColor(COLORREF value);
        COLORREF GetListBoxTextColor() const;

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

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

        void SetReadOnly(bool read_only = true);
        bool GetReadOnly() const;

        void UpdateDropDownWidth();

    private:

        bool m_bAutoAdjustDropWidth;
        int m_iMaxDropDownWidth;

        HWND m_wndControl;
        HWND m_wndListBox;

        CEdit m_ControlWnd;
        CListBox m_ListBox;             

        bool m_bReadOnly;

        void UpdateBrushes();
        void DeleteBrushes();

        COLORREF m_ControlTextColor;
        COLORREF m_ControlBackColor;

        COLORREF m_ControlFocusedBackColor;
        COLORREF m_ControlFocusedTextColor;

        COLORREF m_ListBoxTextColor;
        COLORREF m_ListBoxBackColor;

        HBRUSH m_ControlBackBrush;
        HBRUSH m_ControlFocusedBackBrush;
        HBRUSH m_ListBoxBackBrush;


        LRESULT OnCtlColorControl(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
        HBRUSH OnCtlColorListBox(CDCHandle dc, CListBox listBox);



        BEGIN_MSG_MAP(CComboBoxPlus)
            MSG_WM_CTLCOLORLISTBOX(OnCtlColorListBox)
            MESSAGE_HANDLER(WM_CTLCOLOREDIT, OnCtlColorControl)
            MESSAGE_HANDLER(WM_CTLCOLORSTATIC, OnCtlColorControl)
            DEFAULT_REFLECTION_HANDLER()
        END_MSG_MAP()


    };
};