xdropdown.cpp

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#include "SdlArs.h"

namespace Ars
{
XDropDown::XDropDown( void )
: listBox( 0 ) , dropButton( 0 )
{
}

void XDropDown::Init( icstring &aStr )
{
        XEditBox::Init( aStr );

        XRect r( *this );
        r.y += 20;
        r.h -= 20;
        r.Grow( -1 );
        if( !listBox )
                listBox = new XListBox();
        listBox->SetWindowRect( r );
        listBox->SetBgColor( GetBgColor() );
        listBox->SetFgColor( GetFgColor().FadeColor( 32 ) );
        listBox->SetFlags( F_NONE );
        listBox->SetState( S_SUNKEN );
        listBox->SetFont( GetFont() );
        icstring        tmp = Rsrc::FindCrdOf( aStr , "listbox" );
        listBox->Init( tmp );

        r = *this;
        r.h = 20;
        r.Grow( -1 );
        
        tmp = Rsrc::FindCrdOf( aStr , "button" );

        if( !dropButton )
                dropButton = new XButtonImage();
        dropButton->SetWindowRect( XRect( r.Right() - 20, r.y , 20 , r.Height() ) );
        dropButton->SetBgColor( GetBgColor() );
        dropButton->SetFgColor( GetFgColor().FadeColor( 32 ) );
        dropButton->SetFlags( F_SELECTABLE );
        dropButton->SetState( S_RAISED );
        dropButton->SetFont( GetFont() );
        dropButton->SetWndText( "\\/" );
        dropButton->Init( tmp );

        r = *this;
        r.h = 20;
        r.w -= 20;
        SetWindowRect( r );
}

const bool XDropDown::SetupWindow( const Message &msg )
{
        XEditBox::SetupWindow( msg );
        
        listBox->SetParent( this );
        listBox->SetupWindow( msg );
//      MessageServer::Instance().DeregisterMessageClient( listBox, Message::MOUSE_BUTTONDOWN );

        dropButton->SetParent( this );
        dropButton->SetupWindow( msg );

        HideListBox();
        MessageServer::Instance().RegisterMessageClient(this, Message::CTRL_LCLICK);
        MessageServer::Instance().RegisterMessageClient(this, Message::CTRL_VALUECHANGE);

        return true;
}

const bool XDropDown::evValueChange( const CtrlMessage &msg )
{
        bool ans = XEditBox::evValueChange( msg );

        if( msg.Destination() == this )
        {
                if( msg.source == listBox )
                {
                        const XListItem &ListItem = listBox->GetItem( msg.value );
                        SetWndText( ListItem.itemText );
                        HideListBox();
                        ArsPostMessage( CtrlMessage( Message::CTRL_VALUECHANGE, GetParent() , this , 0 ) );
                        ans = true;
                }
                else if( msg.source == this )
                {
                        listBox->SetAllSelections( false );
                        HideListBox();
                        ArsPostMessage( CtrlMessage( Message::CTRL_VALUECHANGE, GetParent(), this, 0));
                        ans = true;
                }
        }
        return ans;
}

const bool XDropDown::evMouseLClick( const CtrlMessage &msg )
{
        bool ans = XEditBox::evMouseLClick( msg );

        if( msg.source == dropButton )
        {
                if( listBox->IsVisible() )
                        HideListBox();
                else
                        ShowListBox();
                ans = true;
        }
        return ans;
}

void XDropDown::ShowListBox( void )
{
        if( !listBox->IsVisible() )
        {
                listBox->ShowWindow();
                listBox->UpdateWindow( true );
        }
}

void XDropDown::HideListBox( void )
{
        if( listBox->IsVisible() )
        {
                listBox->HideWindow();
                listBox->UpdateWindow( true );
        }
}

const bool XDropDown::wmLostFocus( const CtrlMessage &msg )
{
        bool ans = XEditBox::wmLostFocus( msg );

        if( !IsChild( (Window *)( msg.source ) ) )
        {
                ans = listBox->IsVisible();
                HideListBox();
        }
        return ans;

}

}

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