#include "CursorPosCalculator.h"

int CursorPosCalculator::m_nBorderWidth = 5;
int CursorPosCalculator::m_nTitleHeight = 30;

/***** CursorPosCalculator *****/
CursorPosCalculator::CursorPosCalculator()
{
    reset();
}

void CursorPosCalculator::reset()
{
    m_bOnEdges = false;
    m_bOnLeftEdge = false;
    m_bOnRightEdge = false;
    m_bOnTopEdge = false;
    m_bOnBottomEdge = false;
    m_bOnTopLeftEdge = false;
    m_bOnBottomLeftEdge = false;
    m_bOnTopRightEdge  = false;
    m_bOnBottomRightEdge = false;
}

void CursorPosCalculator::recalculate(const QPoint &gMousePos, const QRect &frameRect)
{
    int globalMouseX = gMousePos.x();
    int globalMouseY = gMousePos.y();

    int frameX = frameRect.x();
    int frameY = frameRect.y();

    int frameWidth = frameRect.width();
    int frameHeight = frameRect.height();

    m_bOnLeftEdge = (globalMouseX >= frameX &&
                  globalMouseX <= frameX + m_nBorderWidth );


    m_bOnRightEdge = (globalMouseX >= frameX + frameWidth - m_nBorderWidth &&
                   globalMouseX <= frameX + frameWidth);

    m_bOnTopEdge = (globalMouseY >= frameY &&
                 globalMouseY <= frameY + m_nBorderWidth );

    m_bOnBottomEdge = (globalMouseY >= frameY + frameHeight - m_nBorderWidth &&
                    globalMouseY <= frameY + frameHeight);

    m_bOnTopLeftEdge = m_bOnTopEdge && m_bOnLeftEdge;
    m_bOnBottomLeftEdge = m_bOnBottomEdge && m_bOnLeftEdge;
    m_bOnTopRightEdge = m_bOnTopEdge && m_bOnRightEdge;
    m_bOnBottomRightEdge = m_bOnBottomEdge && m_bOnRightEdge;

    m_bOnEdges = m_bOnLeftEdge || m_bOnRightEdge || m_bOnTopEdge || m_bOnBottomEdge;
}