Subversion Repositories DIN Is Noise

#include "box_selector.h"
#include "random.h"
#include "container.h"

int box_selector::handle_input () {

  if (exists() && is_menu_visible ()) {
    abort ();
    return 1;
  }

  if (is_lmb (this)) {
    if (lmb_clicked == 0) {
      if (op == NONE) {
        op = EXISTS;
        is_lmb.tie = this;
        if (lis) lis->region_begin ();
      } else if (op == EXISTS) {
        op = FINISH;
      }
      lmb_clicked = 1;
    }
  } else {
    lmb_clicked = 0;
    if (op == EXISTS) {
      if (lis) lis->region_update ();
    } else if (op == FINISH) {
      is_lmb.clear (this);
      if (lis) lis->region_end ();
      op = NONE;
    }
  }
  return 1;
}


void box_selector::draw (const box<int>& region) {
  if (op == EXISTS) {
    glColor3f (1, 1, 1);
    boxp[0]=region.left;boxp[1]=region.bottom;
    boxp[2]=region.right;boxp[3]=region.bottom;
    boxp[4]=region.right;boxp[5]=region.top;
    boxp[6]=region.left;boxp[7]=region.top;
    glVertexPointer (2, GL_INT, 0, boxp);
    glDrawArrays (GL_LINE_LOOP, 0, 4);
  }
}

int box_selector::abort () {
  if (op != NONE) {
    op = NONE;
    is_lmb.clear (this);
    if (lis) lis->region_abort ();
    return 1;
  }
  return 0;
}