GESelectionMgr.h

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/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 

This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  

Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#ifndef GESELECTIONMGR_H_
#define GESELECTIONMGR_H_

class rvGEWorkspace;

class rvGESelectionMgr
{
public:

        enum EHitTest
        {
                HT_NONE,
                HT_SELECT,
                HT_MOVE,
                HT_SIZE_TOPLEFT,
                HT_SIZE_TOP,
                HT_SIZE_TOPRIGHT,
                HT_SIZE_RIGHT,
                HT_SIZE_BOTTOMRIGHT,
                HT_SIZE_BOTTOM,
                HT_SIZE_BOTTOMLEFT,
                HT_SIZE_LEFT
        };

        rvGESelectionMgr ( );

        void                    SetWorkspace            ( rvGEWorkspace* workspace );

        void                    Set                                     ( idWindow* );
        void                    Add                                     ( idWindow* window, bool expand = true );
        void                    Remove                          ( idWindow* );
        void                    Clear                           ( void );
        
        int                             Num                                     ( void );
        
        void                    Render                          ( void );
        
        EHitTest                HitTest                         ( float x, float y );
        
        bool                    IsSelected                      ( idWindow* window );
        bool                    IsExpression            ( void );
        
        idRectangle&    GetRect                         ( void );
        idWindow*               GetBottomMost           ( void );

        idWindow*&              operator[]( int index );

protected:

        void            UpdateRectangle         ( void );
        void            UpdateExpression        ( void );

        idList<idWindow*>       mSelections;
        idRectangle                     mRect;
        rvGEWorkspace*          mWorkspace;
        bool                            mExpression;
};

ID_INLINE int rvGESelectionMgr::Num ( void )
{
        return mSelections.Num ( );
}

ID_INLINE idWindow*& rvGESelectionMgr::operator[]( int index ) 
{
        assert( index >= 0 );
        assert( index < mSelections.Num() );

        return mSelections[ index ];
}

ID_INLINE void rvGESelectionMgr::SetWorkspace ( rvGEWorkspace* workspace )
{
        mWorkspace = workspace;
}

ID_INLINE idRectangle& rvGESelectionMgr::GetRect ( void )
{
        UpdateRectangle ( );
        return mRect;
}

ID_INLINE bool rvGESelectionMgr::IsSelected ( idWindow* window )
{
        return mSelections.FindIndex ( window ) != -1 ? true : false;
}

ID_INLINE bool rvGESelectionMgr::IsExpression ( void )
{
        return mExpression;
}

#endif // GESELECTIONMGR_H_