GUIComboBox.h

#pragma once
 
#include <afxwin.h>
#include "GUIWndCtrlBase.h"
 
namespace FLImaging
{
    namespace GUI
    {
        class FL_EXPORT CGUIComboBox : public CComboBox, public CGUIWndCtrlBase
        {
        public:
            CGUIComboBox();
 
            virtual ~CGUIComboBox();
 
        public:
            virtual void SetBtnSize(int32_t i32Size);
 
            virtual int32_t GetBtnSize() const;
 
            virtual void SetDropDownHeight(int itemsToShow);
 
            virtual BOOL GetDroppedState()const;
 
            virtual void SetDroppedState(BOOL bState);
 
            virtual int SetPrevSel(int nSelect);
 
            virtual int32_t GetPrevSel()const;
 
            virtual int SetCurSel(int nSelect);
 
            virtual void EnableToolTipOnListBox(bool bEnable = true);
 
            virtual bool IsToolTipOnListBoxEnabled() const;
            
            static void SetToolTipDelay(uint32_t u32Delay);
 
            static uint32_t GetToolTipDelay();
 
            virtual void SetToolTipText(int32_t i32Index, const wchar_t* pWCsTipText);
 
            virtual CEdit* GetEditBox() const;
 
            virtual CListBox* GetListBox() const;
 
 
            static void SetBackgroundColor(COLORREF clr);
            static COLORREF GetBackgroundColor();
 
            static void SetBorderColorActive(COLORREF clr);
            static COLORREF GetBorderColorActive();
 
        protected:
            virtual void PreSubclassWindow() override;
            virtual void DrawBackground(Gdiplus::Graphics* pG);
            virtual void DrawArrow(Gdiplus::Graphics* pG);
            virtual void DrawText(Gdiplus::Graphics* pG);
 
            void SetHookForListbox();
            void DestroyToolTipWnd();
            void CreateToolTipWnd();
            static void HandleListboxMouseMove(CGUIComboBox* pCombo, CListBox* pList, UINT uFlag, CPoint point);
            static void HandleOnTimer(UINT nIDEvent);
            static void HandleOnPaint();
            static BOOL OnTrackMouseEvent(HWND hWnd, DWORD dwFlags);
 
            static LRESULT CALLBACK HookListboxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
            static LRESULT CALLBACK HookTipWndProc(HWND hWnd, UINT message, WPARAM wp, LPARAM lp);
 
        protected:
            Gdiplus::Color m_crComboboxRect;
            Gdiplus::Color m_crButtonRect;
            Gdiplus::Color m_crArrow;
            Gdiplus::Color m_crBorder;
            Gdiplus::Color m_crText;
            CBrush m_brBrush;
 
            int32_t m_i32BtnSize;
            int32_t m_i32PrevSel;
 
            static COLORREF m_clrBk;
            static COLORREF m_clrBorderActive;
 
            BOOL m_bCursorOnComboBox;
            BOOL m_bLButtonDown;
            BOOL m_bDroppedState;
            BOOL m_bDroppedStatePrev;
            bool m_bEnableToolTipOnListBox;
 
            CMap<int32_t, int32_t, CString, const wchar_t*> m_mapTipTexts;
            CRect   m_rcDropDownBtn;
            COMBOBOXINFO m_cbi;
            CUIntArray  m_arrDisabledItems;
 
            static int      m_i32OriginalSel;
            static CWnd     m_tipWnd;
            static CFont    m_fontToolTip;
            static uint32_t m_u32DelayTime;
            static BOOL     m_bMouseCursorEntered;
 
            static CMap<HWND, HWND, WNDPROC, WNDPROC&> m_mapWndProc;
            static CMap<HWND, HWND, CGUIComboBox*, CGUIComboBox*&> m_mapCombo;
            static int32_t m_i32ComboBoxCreationCount;
 
        public:
            DECLARE_MESSAGE_MAP()
            afx_msg void OnPaint();
            afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
            afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
            afx_msg void OnMouseHover(UINT nFlags, CPoint point);
            afx_msg void OnMouseLeave();
            afx_msg void OnMouseMove(UINT nFlags, CPoint point);
            afx_msg BOOL OnCbnKillfocus();
            afx_msg void OnSetFocus(CWnd* pOldWnd);
            afx_msg void OnKillFocus(CWnd* pNewWnd);
            afx_msg BOOL OnCbnDropdown();
            afx_msg BOOL OnCbnCloseup();
            afx_msg BOOL OnCbnSelchange();
            afx_msg BOOL OnCbnEditChange();
            afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor);
            afx_msg BOOL OnEraseBkgnd(CDC* pDC);
            afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
            afx_msg void OnSize(UINT nType, int cx, int cy);
            afx_msg void OnEnable(BOOL bEnable);
};
    }
}