SplitButton.h

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// -*- c-basic-offset: 4 -*-
#ifndef __SPLIT_BUTTON_H__
#define __SPLIT_BUTTON_H__
 
#include <wx/wx.h>
#include <wx/menu.h>
#include <wx/xrc/xmlres.h>
 
class SplitButton : public wxPanel
{
public:
    SplitButton():wxPanel() {};
    SplitButton(wxWindow* parent,
        wxWindowID id = wxID_ANY,
        const wxString& label = wxEmptyString,
        const wxPoint& pos = wxDefaultPosition,
        const wxSize& size = wxDefaultSize,
        const wxString& name = "splitbutton"
    )
    {
        Create(parent, id, label, pos, size, name);
    };
    bool Create(wxWindow* parent, 
        wxWindowID id = wxID_ANY,
        const wxString& label = wxEmptyString,
        const wxPoint& pos = wxDefaultPosition, 
        const wxSize& size = wxDefaultSize, 
        const wxString& name = "splitbutton"
    );
    ~SplitButton();
    wxMenu* GetSplitButtonMenu();
    bool Enable(bool enable = true) override;
    wxBitmap GetBitmap() const;
    void SetBitmap(const wxBitmapBundle& bitmap);
    wxMenu* LoadMenu(const wxString& name);
    void SetLabel(const wxString& label) override;
    wxString GetLabel() const override;
 
protected:
    void OnKillFocus(wxFocusEvent& event);
    void OnMouseLeave(wxMouseEvent& event);
    void OnMouseEnter(wxMouseEvent& event);
    void OnLeftButtonUp(wxMouseEvent& event);
    void OnLeftButtonDown(wxMouseEvent& event);
    void OnPaint(wxPaintEvent& WXUNUSED(event));
    bool HasBitmap() const;
    void UpdateMinSize();
 
private:
    int m_stateButton = 0;
    int m_stateMenu = 0;
    bool m_IsEnabled = true;
    const int m_arrowButtonWidth = 20;
    wxString m_label;
    wxMenu* m_dropDownMenu = nullptr;
    wxBitmapBundle m_bitmap;
};
 
class SplitButtonXmlHandler : public wxXmlResourceHandler
{
    DECLARE_DYNAMIC_CLASS(SplitButtonXmlHandler)
 
public:
    SplitButtonXmlHandler();
    virtual wxObject* DoCreateResource();
    virtual bool CanHandle(wxXmlNode* node);
};
 
#endif /*__SPLIT_BUTTON_H__*/