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MenuTopPane.h

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//    Author: Richard van Balen

#ifndef OglGui_MenuTopPane_h
#define OglGui_MenuTopPane_h

#ifndef OglGui_Window_h
#include "OglGui/Window.h"
#endif

#ifndef OglGui_MenuListener_h
#include "OglGui/MenuListener.h"
#endif

namespace OglGui {

class MenuTopPane : public Window
{
public:
    MenuTopPane(Window* parent) :
        Window(oglSys.GetTopOGLWND(parent->GetOGLWND()), 0, 0, 20, 20)
    {
        Init();
    }

    void SetMenuListener(MenuListener*l)
    {
        mMenuListener = l;
    }

    void ActivateListener(Menu* menu, int menuIdx, std::string itemName,
                          int itemIdx, void* userData)
    {
        if (!mMenuListener)
            return;
        mMenuListener->OnMenuItem(menu, menuIdx, itemName, itemIdx, userData);
    }

    void Open()
    {
        oglSys.BringToFront(mOglWnd);
        SetDimensions(0,0,mOglTopWnd->width,mOglTopWnd->height);
        SetVisible(true);
        oglFocusWnd = mOglWnd;
    }

    void Hide()
    {
        oglFocusWnd = 0;
        SetVisible(false);
        LIST *obj;
        //ForAllElements(obj, mOglWnd->wndList)
        for(obj = mOglWnd->wndList ; obj ; obj = obj->next)
        {
            //OGLWND* oglWnd = (OGLWND*) Info(obj);
            OGLWND* oglWnd = (OGLWND*) ((obj) -> info);
            ClearTags((TAGABLE*)oglWnd, visibleTag);
        }
    }

    virtual void InitDisplayFunc()
    {
        SetDimensions(0,0,mOglTopWnd->width,mOglTopWnd->height);
        Window::InitDisplayFunc();
    }

    virtual void MouseFunc(int msg, int btn, int state, int x, int y)
    {
        if (msg==oglMouseDown)
        {
            Hide();
            // Pass on to allow immediate action if mouse clicked on some item
            oglSys.MouseEvent(mOglTopWnd,msg,btn,state,x,y);
        }
    }

private:
    MenuListener*       mMenuListener;
    OGLWND*             mOglTopWnd;

    void Init()
    {
        mOglTopWnd = oglSys.GetTopOGLWND(mOglWnd);
        mMenuListener = 0;
        SetVisible(false);
    }
};

} // Namespace OglGui
#endif

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