#include "textbox.h"
#include "gpl_assert.h"
using namespace std;

Textbox::Textbox() :  Game_object(/* red = */ 0.0,
                                  /* green = */ 0.0,
                                  /* blue = */ 0.0
                                 )
{
    m_text = "";
    m_size = 0.1;
    m_space = 10;
    register_member_variable("text", &m_text);
    register_member_variable("size", &m_size);
    register_member_variable("space", &m_space);
    m_object_type_name = "Textbox";
    m_h = (int) (100 * m_size) + 1;
    m_w = m_space;
}

void
Textbox::build_display_list()
{
  assert(m_display_list);

  glNewList(m_display_list, GL_COMPILE);
  glMatrixMode(GL_MODELVIEW);
  glColor3f(m_red, m_green, m_blue);
  double cur_x = m_x;

  for (unsigned int i = 0; i < m_text.length(); i++)
  {
    glPushMatrix();
    glTranslated(cur_x, m_y, 0);
    glScaled(m_size, m_size, 1);
    glutStrokeCharacter(GLUT_STROKE_ROMAN, m_text[i]);
    glPopMatrix();
    cur_x += (glutStrokeWidth(GLUT_STROKE_ROMAN,m_text[i])+m_space)*m_size;
  }
  glEndList();


  // update our height & width in case our size has changed
  m_h = (int) (100 * m_size) + 1;
  m_w = (int) cur_x - m_x;
}