lugre_widget.h

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/*
http://www.opensource.org/licenses/mit-license.php  (MIT-License)

Copyright (c) 2007 Lugre-Team

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef LUGRE_WIDGET_H
#define LUGRE_WIDGET_H

#include <OgrePrerequisites.h>
#include <map>
#include <list>
#include "lugre_ColourClipPaneOverlay.h"
#include "lugre_smartptr.h"
#include "lugre_bitmask.h"

using Ogre::Real;

class lua_State;
    
namespace Lugre {

class cGfx2D;
class cDialog;
class cWidget;

class cDialogManager { public:
    
    cDialogManager();
    inline static cDialogManager& GetSingleton () { 
        static cDialogManager* mSingleton = 0;
        if (!mSingleton) mSingleton = new cDialogManager();
        return *mSingleton;
    }
    
    // commands
    cDialog*    MyCreateDialog  ();
    void        DestroyDialog   (cDialog* pDialog);
    void        BringToFront    (cDialog* pDialog); 
    void        SendToBack      (cDialog* pDialog); 
    void        Reorder         (); 
    
    cDialog*    GetDialogUnderPos       (const size_t x,const size_t y);
    cWidget*    GetWidgetUnderPos       (const size_t x,const size_t y);
    
    public: // so far all is public
    std::list<cDialog*>     mlDialogs;
};


class cDialog : public cSmartPointable { public:
    size_t                          miUID;
    std::list<cWidget*>             mlRootWidget; 
    bool                            mbVisible;
    Ogre::Overlay*                  mpOverlay; 
    
    cDialog     (); 
    cDialog     (const size_t iInitialZOrder); 
    ~cDialog    ();
    
    cWidget*    CreateWidget        (cWidget* pParent=0); 
    void        DestroyWidget       (cWidget* pWidget);
    
    void        BringToFront            (); 
    void        SendToBack              (); 
    void        SetVisible              (const bool bVisible);
    bool        GetVisible              ();
    void        SetZOrder               (const size_t iZOrder); 
    
    bool        IsUnderPos          (const size_t x,const size_t y); 
    cWidget*    GetWidgetUnderPos   (const size_t x,const size_t y);
    
    static void     LuaRegister         (lua_State *L);
};


class cWidget : public cSmartPointable { public:
    size_t      miUID; 
    cDialog*    mpDialog;
    cWidget*    mpParent;
    cGfx2D*     mpGfx2D;
    bool        mbIgnoreMouseOver;      
    bool        mbClipChildsHitTest;
    cBitMask*   mpBitMask;
    std::list<cWidget*>     mlChild;
    
    cWidget(); 
    cWidget(cDialog* pDialog,cWidget* pParent=0); 
    ~cWidget(); 
    
    void        Destroy         (); 
    cWidget*    CreateChild     (); 
    void        AttachChild     (cWidget* pWidget); 
    void        DetachChild     (cWidget* pWidget); 
    
    void        UpdateClip      (const Ogre::Real fMarginL=0,const Ogre::Real fMarginT=0,const Ogre::Real fMarginR=0,const Ogre::Real fMarginB=0);
    
    bool        IsUnderPos          (const size_t x,const size_t y);
    cWidget*    GetChildUnderPos    (const size_t x,const size_t y);
    
    static void     LuaRegister         (lua_State *L);
};

};

#endif