xbuttonimage.cpp

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#include "SdlArs.h"

namespace Ars
{

XButtonImage::XButtonImage( void )
: id( -1 )
{
}

XButtonImage::~XButtonImage( void )
{
}

void XButtonImage::Init( icstring &aStr )
{
        XButton::Init( aStr );

        icstring        tmp = Rsrc::FindCrdOf( aStr , "cfg" );

        sct = Rsrc::GetStr( tmp );
        key = Rsrc::GetStr( tmp );
        fname = Rsrc::GetStr( tmp );
}

const bool XButtonImage::SetupWindow( const Message &msg )
{
        XButton::SetupWindow( msg );

        if( !sct.empty() || !key.empty() || !fname.empty() )
        {
                if( id == -1 )
                        if( key.empty() )
                                id = Graf::LoadImg( fname.empty() ? sct : fname );
                        else
                                id = Graf::LoadImg( sct , key , fname );

                Graf::ButtonImg( id , static_cast<XRect &>( *this ) );
                clientRect = *this;
        }

        return true;
}

void XButtonImage::ChangeImage( const std::string &aFilename )
{
        id = Graf::LoadImg( aFilename );
        Graf::ButtonImg( id , static_cast<XRect &>( *this ) );
        clientRect = *this;
}

void XButtonImage::ChangeImage( const std::string &aSection , const std::string &aId , std::string aFilename )
{
        id = Graf::LoadImg( aSection , aId , aFilename );
        Graf::ButtonImg( id , static_cast<XRect &>( *this ) );
        clientRect = *this;
}

void XButtonImage::SetImage( SDL_Surface *aImage )
{
        id = Graf::AddImage( aImage );
        Graf::ButtonImg( id , static_cast<XRect &>( *this ) );
        clientRect = *this;
}

void XButtonImage::Draw( void )
{
        if( id == -1 )
                XButton::Draw();
        else
        {
                XRect   dst( GetWindowRect() );
                SDL_Surface     *sfc = Graf::ButtonImg( id , dst ) , *bkgnd = 0;
                
                if( GetStates() & S_DISABLED )
                        bkgnd = Graf::ButtonImg( Graf::Dark , dst );
                else if( (GetStates() & (S_SELECTED|S_HIGHLIGHT|S_FOCUS)) != 0 )
                        bkgnd = Graf::ButtonImg( Graf::Light , dst );
                        
                if( bkgnd )
                        SDL_BlitSurface( bkgnd , NULL , GetGDI() , &dst );
                        
                if( (GetStates() & S_SELECTED) != 0 )
                        SDL_SetAlpha( sfc , SDL_SRCALPHA , 100 );
                else if( GetStates() & S_DISABLED )
                        SDL_SetAlpha( sfc , SDL_SRCALPHA , 100 );
                else if( (GetStates() & (S_HIGHLIGHT|S_FOCUS)) != 0 )
                        SDL_SetAlpha( sfc , SDL_SRCALPHA , 160 );
                else
                        SDL_SetAlpha( sfc , SDL_SRCALPHA , 192 );

                SDL_BlitSurface( sfc , 0 , GetGDI() , &dst );

                if( !GetWindowText().empty() )
                {
                        XPoint  box = GetTextSize( GetWindowText() );
                        XRect   bak = GetWindowRect();
                        XRect   &wnd = *this;
                        XPoint  center = bak.Center();
                        const unsigned long     stateBak = GetStates();
                        if( GetStates() & S_ALIGN_TOP )
                        {
                                wnd = wnd - XPoint( 0, box.y + GetFontSize() );
                                wnd.x = center.x - box.x / 2;
                        }
                        else if( GetStates() & S_ALIGN_BOTTOM )
                        {
                                wnd = wnd + XPoint( 0, wnd.h + GetFontSize() );
                                wnd.x = center.x - box.x / 2;
                        }
                        else if( GetStates() & S_ALIGN_RIGHT )
                        {
                                wnd = wnd + XPoint( wnd.w + GetFontSize() , 0 );
                                wnd.y = center.y - box.y / 2;
                        }
                        else if( GetStates() & S_ALIGN_LEFT )
                        {
                                wnd = wnd - XPoint( box.x + GetFontSize() , 0 );
                                wnd.y = center.y - box.y / 2;
                        }
                        wnd.w = box.x;
                        wnd.h = box.y;
                        ResetState( VALIGN_MASK|HALIGN_MASK );
                        Grow( GetFontSize() / 2 );
                        DrawBG();
                        XButton::Draw();
                        SetState( stateBak );
                        SDL_UpdateRect( GetGDI() , x , y , w + 1 , h + 1 );
                        static_cast<XRect &>( *this ) = bak;
                }
        }
}

}

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