Row/column fetching!

rowcol.js

/**
 * Gets font size information about the athens editor and stores it in
 * hhwm.athens.
 */
hhwm.reloadAthens = function() {
  // Get top and left offset
  var athens = $('#athens');
  hhwm.athens.topBorder = parseInt(athens.css('border-top-width').replace('px', ''));
  hhwm.athens.topPadding = parseInt(athens.css('padding-top').replace('px', ''));
  hhwm.athens.topOffset = hhwm.athens.topBorder + hhwm.athens.topPadding;
  hhwm.athens.leftBorder = parseInt(athens.css('border-left-width').replace('px', ''));
  hhwm.athens.leftPadding = parseInt(athens.css('padding-left').replace('px', ''));
  hhwm.athens.leftOffset = hhwm.athens.leftBorder + hhwm.athens.leftPadding;
  hhwm.athens.fontSize = parseInt(athens.css('font-size').replace('px', ''));
  hhwm.athens.lineHeight = parseInt(athens.css('line-height').replace('px', ''));

  // Get character width and height
  hhwm.athens.heightDelta = $('#widthMeasurer').height();
  hhwm.athens.widthDelta = $('#widthMeasurer').width();
};


/**
 * Called when someone clicks on athens
 * @param {event} e The jQuery event object.
 */
hhwm.athens.clickHandler = function(e) {
  var file = 'test.py';  // TODO(advait): fix this bullshit...

  // This is the row/column if we had infinity characters in each direction
  var row = Math.floor((e.offsetY - hhwm.athens.topOffset) / hhwm.athens.heightDelta);
  var column = Math.round((e.offsetX - hhwm.athens.leftOffset) / hhwm.athens.widthDelta);
  console.log(row, column);

  // Buffer index
  var newIndex = hhwm.buffers.rowColumnToIndex(file, row, column);

  // Send message
  hhwm.push.moveCursor(file, newIndex);

  // Give sparticus focus
  $('#sparticus').focus();
};