#include "libs.h"
#include "gui.h"

namespace Gui {

Fixed::Fixed(float w, float h): Container() {
  SetSize(w, h);
  memcpy(m_bgcol, Color::bg, 3*sizeof(float));
  m_w = w; m_h = h;
  m_transparent = true;
  m_eventMask = EVENT_ALL;
}

void Fixed::GetSizeRequested(float size[2]) {
  GetSize(size);
}

Fixed::~Fixed(void) {
  Screen::RemoveBaseWidget(this);
}

void Fixed::Draw(void) {
  float size[2];
  GetSize(size);
  if(!m_transparent) {
    glBegin(GL_QUADS);
      glColor3f(m_bgcol[0], m_bgcol[1], m_bgcol[2]);
      glVertex2f(0, size[1]);
      glVertex2f(size[0], size[1]);
      glVertex2f(size[0], 0);
      glVertex2f(0, 0);
    glEnd();
  }
  Container::Draw();
}

void Fixed::OnChildResizeRequest(Widget* child) {
  for(std::list<widget_pos>::iterator i = m_children.begin(); i != m_children.end(); ++i) {
    if((*i).w == child) {
      float rsize[2] = { m_w - (*i).pos[0],
                         m_h - (*i).pos[1] };
      child->GetSizeRequested(rsize);
      if((*i).pos[0] + rsize[0] > m_w) rsize[0] = m_w - (*i).pos[0];
      if((*i).pos[1] + rsize[1] > m_h) rsize[1] = m_w - (*i).pos[1];
      child->SetSize(rsize[0], rsize[1]);
    }
  }
}

void Fixed::Add(Widget* child, float x, float y) {
  AppendChild(child, x, y);
  float rsize[2] = { m_w - x, m_h - y };
  child->GetSizeRequested(rsize);
  if(x+rsize[0] > m_w) rsize[0] = m_w-x;
  if(y+rsize[1] > m_h) rsize[1] = m_h-y;
  child->SetSize(rsize[0], rsize[1]);
}

void Fixed::Remove(Widget* child) {
  Container::RemoveChild(child);
}

void Fixed::SetBgColor(float rgb[3]) {
  SetBgColor(rgb[0], rgb[1], rgb[2]);
}

void Fixed::SetBgColor(float r, float g, float b) {
  m_bgcol[0] = r;
  m_bgcol[1] = g;
  m_bgcol[2] = b;
}

}