#include <lib/gui/ewidgetanimation.h>
#include <lib/gui/ewidget.h>

eWidgetAnimation::eWidgetAnimation(eWidget *widget): m_widget(widget)
{
   m_active = 0;
}

void eWidgetAnimation::tick(int inc)
{
   if (!m_active)
      return;
   
      // move animation
   if (m_move_length)
   {
      if (m_move_current_tick >= m_move_length)
      {
         m_active = 0;
         m_move_current_tick = m_move_length;
      }
      
      m_move_start = m_widget->position();
      
      int xdiff = m_move_start.x() - m_move_end.x();
      int ydiff = m_move_start.y() - m_move_end.y();
      
      xdiff *= 31; xdiff /= 32;
      ydiff *= 31; ydiff /= 32;
      
      #if 0
      xdiff *= m_move_current_tick;
      xdiff /= m_move_length;

      ydiff *= m_move_current_tick;
      ydiff /= m_move_length;
      #endif
      
      ePoint res(m_move_end.x() + xdiff, m_move_end.y() + ydiff);
      
      m_move_current_tick += inc;
      
      m_widget->move(res);
   }
}

void eWidgetAnimation::startMoveAnimation(ePoint start, ePoint end, int length)
{
   m_move_current_tick = 0;
   m_move_length = length;
   m_move_start = start;
   m_move_end = end;
   m_active = 1;
   m_widget->move(m_move_start);
}