DialogHelpers.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 DIALOGHELPERS_H_
#define DIALOGHELPERS_H_

class rvDialogItem
{
public:

        HWND    mWindow;
        int             mID;
        
        rvDialogItem ( int id ) { mID = id; }
        
        void Cache ( HWND parent )
        {
                mWindow = GetDlgItem ( parent, mID );
        }
        
        void Check ( bool checked )
        {
                SendMessage ( mWindow, BM_SETCHECK, checked ? BST_CHECKED : BST_UNCHECKED, 0 );
        }
        
        void Enable ( bool enable )
        {
                EnableWindow ( mWindow, enable );
        }
        
        bool IsChecked ( void )
        {
                return SendMessage ( mWindow, BM_GETCHECK, 0, 0 ) == BST_CHECKED ? true : false;
        }
        
        void SetText ( const char* text )
        {
                SetWindowText ( mWindow, text );
        }
        
        void GetText ( idStr& out )
        {
                char text[4096];
                GetWindowText ( mWindow, text, 4095 );
                out = text;
        }
        
        float GetFloat ( void )
        {
                idStr text;
                GetText ( text );
                return atof( text );
        }
        
        void SetFloat ( float f )
        {
                SetText ( va("%g", f ) );
        }
        
        operator HWND( void ) const { return mWindow; }
};

class rvDialogItemContainer
{
protected:
        
        void Cache ( HWND parent, int count )
        {
                int                             i;
                unsigned char*  ptr;
                
                ptr = (unsigned char*)this;
                for ( i = 0; i < count; i ++, ptr += sizeof(rvDialogItem) )
                {
                        ((rvDialogItem*)ptr)->Cache ( parent );                 
                }
        }
};

#define DIALOGITEM_BEGIN(name)                                                                  \
class name : public rvDialogItemContainer                                               \
{                                                                                                                               \
public:                                                                                                                 \
        name ( void ) { }                                                                                       \
        name ( HWND hwnd ) { Cache ( hwnd ); }                                          \
        void Cache ( HWND parent )                                                                      \
        {                                                                                                                       \
                rvDialogItemContainer::Cache ( parent, sizeof(*this)/sizeof(rvDialogItem) );    \
        }


#define DIALOGITEM(id,name)                                                                             \
class c##name : public rvDialogItem                                                             \
{                                                                                                                               \
public:                                                                                                                 \
        c##name(int localid=id) : rvDialogItem ( localid ) { }          \
} name;                                                                                                                 

#define DIALOGITEM_END()                                                                                \
};


#endif // DIALOGHELPERS_H_