GMenuImpl.h

#ifndef _GMENU_IMPL_H_
#define _GMENU_IMPL_H_

class GSubMenu;
class GMenuItem;
class SubMenuImpl;
class MenuImpl;

#include "GPopup.h"

class MenuClickImpl
{
    friend class MenuItemImpl;

protected:
    GMenuItem *Clicked;

public:
    MenuClickImpl()
    {
        Clicked = 0;
    }
    
    virtual ~MenuClickImpl()
    {
    }
    
    GMenuItem *ItemClicked()
    {
        return Clicked;
    }
    
    virtual GView *View() { return 0; }
    virtual SubMenuImpl *IsSub() { return 0; }
    virtual MenuImpl *IsMenu() { return 0; }
};

class SubMenuImpl : public GPopup, public MenuClickImpl
{
    class SubMenuImplPrivate *d;

public:
    SubMenuImpl(GSubMenu *Sub);
    ~SubMenuImpl();
    
    char *GetClass() { return "SubMenuImpl"; }
    bool Visible() { return GPopup::Visible(); }
    void Visible(bool b);
    void Layout(int x, int y);
    void OnPaint(GSurface *pDC);
    bool OnKey(GKey &k);
    
    GView *View() { return this; }
    SubMenuImpl *IsSub() { return this; }
    GSubMenu *GetSub();
};

class MenuImpl : public GView, public MenuClickImpl
{
    class MenuImplPrivate *d;

public:
    MenuImpl(GMenu *Sub);
    ~MenuImpl();
    
    char *GetClass() { return "MenuImpl"; }
    bool Pour(GRegion &r);
    void OnPaint(GSurface *pDC);
    bool HasSubOpen();
    
    GView *View() { return this; }
    MenuImpl *IsMenu() { return this; }
};

class MenuItemImpl : public GView
{
    class MenuItemImplPrivate *d;

public:
    MenuItemImpl(GMenuItem *Item);
    ~MenuItemImpl();
    
    char *GetClass() { return "MenuItemImpl"; }
    GMenuItem *Item();
    void ShowSub();
    void HideSub(bool SetClick = false);
    void Activate();
    bool IsOnSubMenu();
    void OnPaint(GSurface *pDC);
    void OnMouseClick(GMouse &m);
    void OnMouseEnter(GMouse &m);
    void OnMouseExit(GMouse &m);
};

#endif

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