#include <lib/gui/decoration.h>
#include <lib/gdi/gpixmap.h>
#include <lib/gdi/grc.h>
#include <lib/gui/eskin.h>
#include <lib/gui/ewidget.h>

/*

	+-------+-----------------+--------+
	|TopLeft|        Top      |TopRight|
	+------++-----------------+--+-----+
	|  Left|     client          |Right|
	+------+---+-----------+-----+-----+
	|BottomLeft|   Bottom  |BottomRight|
	+----------+-----------+-----------+

*/

eDecoration::eDecoration()
{
	iTopLeft=iTop=iTopRight=iLeft=iRight=iBottomLeft=iBottom=iBottomRight=0;
	borderLeft=borderTop=borderRight=borderBottom=0;
}

bool eDecoration::load(const eString& base)
{
	if (basename != base)
	{
		basename=base;	// all your
		
		eSkin::getActive()->queryImage(iTopLeft, basename + ".topLeft");
		eSkin::getActive()->queryImage(iTop, basename + ".top");
		eSkin::getActive()->queryImage(iTopRight, basename + ".topRight");
		eSkin::getActive()->queryImage(iLeft, basename + ".left");
		eSkin::getActive()->queryImage(iRight, basename + ".right");
		eSkin::getActive()->queryImage(iBottomLeft, basename + ".bottomLeft");
		eSkin::getActive()->queryImage(iBottom, basename + ".bottom");
		eSkin::getActive()->queryImage(iBottomRight, basename + ".bottomRight");

		borderLeft=borderTop=borderRight=borderBottom=0;
	
		if (iTop)
			borderTop = iTop->y;
		if (iLeft)
			borderLeft = iLeft->x;
		if (iRight)
			borderRight = iRight->x;
		if (iBottom)
			borderBottom = iBottom->y;
	}
	return operator bool();
}

void eDecoration::drawDecoration(gPainter *target, ePoint size)
{
  int x=0, xm=size.x(), y, ym;

	if (iBottomLeft)
	{
    target->blit(iBottomLeft, ePoint(0, size.y()-iBottomLeft->y));
		x+=iBottomLeft->x;
	}

	if (iBottomRight)
	{
		xm-=iBottomRight->x;
		target->blit(iBottomRight, ePoint(xm, size.y()-iBottomRight->y), eRect(x, size.y()-iBottomRight->y, size.x()-x, iBottomRight->y));
	}

	if (iBottom)
	{
    while (x<xm)
		{
			target->blit(iBottom, ePoint(x, size.y()-iBottom->y), eRect(x, size.y()-iBottom->y, xm-x, size.y()));
			x+=iBottom->x;
		}
	}

	x=0;
	xm=size.x();

	if (iTopLeft)
	{
		target->blit(iTopLeft, ePoint(0, 0) );
		x+=iTopLeft->x;
	}

	if (iTopRight)
	{
		xm-=iTopRight->x;
		target->blit(iTopRight, ePoint(xm, 0), eRect(x, 0, size.x()-x, size.y()));
	}

	if (iTop)
	{
		while (x<xm)
		{
			target->blit(iTop, ePoint(x, 0), eRect(x, 0, xm-x, size.y()));
			x+=iTop->x;
		}
	}

	y=0; ym=size.y();
	
	if (iTopLeft)
		y=iTopLeft->y;
	if (iBottomLeft)
		ym=size.y()-iBottomLeft->y;
	if (iLeft)
  {
    while (y<ym)
		{
      target->blit(iLeft, ePoint(0, y), eRect(0, y, iLeft->x, ym-y));
			y+=iLeft->y;
		}
  }

	if (iTopRight)
		y=iTopRight->y;
	if (iBottomRight)
		ym=size.y()-iBottomRight->y;
	if (iRight)
  {
    while (y<ym)
		{
			target->blit(iRight, ePoint(size.x()-iRight->x, y), eRect(size.x()-iRight->x, y, iRight->x, ym-y));
			y+=iRight->y;
		}
  }
	
	target->flush();
}

int eDecoWidget::setProperty( const eString &prop, const eString &value)
{
	if (prop == "loadDeco")
	{
		if ( value != "" )
			strDeco=value;

		loadDeco();
	}
	else
		return eWidget::setProperty( prop, value );

	return 0;
}

int eDecoWidget::eventFilter( const eWidgetEvent &evt )
{
	if ( evt.type == eWidgetEvent::changedSize )
	{
		if (deco)
		{
			crect.setLeft( deco.borderLeft );
			crect.setTop( deco.borderTop );
			crect.setWidth( width() - (deco.borderRight + deco.borderLeft) );
			crect.setHeight( height() - (deco.borderBottom + deco.borderTop ) );
		}
		if (deco_selected)
		{
			crect_selected.setLeft( deco_selected.borderLeft );
			crect_selected.setTop( deco_selected.borderTop );
			crect_selected.setWidth( width() - (deco_selected.borderRight + deco_selected.borderLeft) );
			crect_selected.setHeight( height() - (deco_selected.borderBottom + deco_selected.borderTop ) );
		}
	}
	return 0; //always return 0... the eventHandler must been called...
}

void eDecoWidget::loadDeco()
{
	int i = 0;
	if ( deco.load( strDeco ) )
		i |= 1;
	if ( deco_selected.load( strDeco+".selected" ) )
		i |= 1;
	if (i)
		event( eWidgetEvent::changedSize );
}