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Menus.h

Go to the documentation of this file.

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//    Author: Richard van Balen

#ifndef OglGui_Menus_h
#define OglGui_Menus_h

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

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

namespace OglGui {

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

    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);
    }

    Menu* CreateMenu(int menuIdx=0, int w=100)
    {
        Menu* menu = new Menu(this, menuIdx, w);
        mMenus.push_back(menu);
    }

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

    void Hide()
    {
        oglFocusWnd = 0;
        SetVisible(false);
        for (int i=0; i<mMenus.size(); i++)
        {
            mMenus[i]->SetVisible(false);
        }
    }

    virtual void InitDisplayFunc()
    {
        oglSys.SetDimensions(mOglWnd,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();
    }

private:
    std::vector<Menu*>  mMenus;
    MenuListener*       mMenuListener;
    OGLWND*             mOglTopWnd;

    void Init(OGLWND* oglTopWnd)
    {
        mMenuListener = 0;
        mOglTopWnd = oglTopWnd;
        SetVisible(false);
    }
};

} // Namespace OglGui
#endif

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