/**
 * @class Ext.selection.CheckboxModel
 */
 
/**
 * @var {number}
 * The horizontal space before the checkbox
 */
$checkbox-selection-model-cell-spacing-before: dynamic(5px);
 
/**
 * @var {number}
 * The horizontal space after the checkbox
 */
$checkbox-selection-model-cell-spacing-after: dynamic(5px);
 
// private 
$checkbox-selection-model-column-header-padding: 
    max(ceil(($grid-header-height - $form-checkbox-size) / 2), 0)
    $checkbox-selection-model-cell-spacing-after 
    max(floor(($grid-header-height - $form-checkbox-size) / 2), 0)
    $checkbox-selection-model-cell-spacing-before;
 
// private 
$checkbox-selection-model-cell-padding: 
    max(ceil(($grid-row-height - $form-checkbox-size) / 2), 0)
    $checkbox-selection-model-cell-spacing-after 
    max(floor(($grid-row-height - $form-checkbox-size) / 2), 0)
    $checkbox-selection-model-cell-spacing-before;
 
/**
 * @var {color}
 * The color to use for the checkbox when {@link Global_CSS#$enable-font-icons} is `true`.
 */
$checkbox-selection-model-glyph-color: dynamic($form-checkbox-glyph-color);
 
/**
 * @var {string/list}
 * The glyph for the checkbox when {@link Global_CSS#$enable-font-icons} is `true`.
 */
$checkbox-selection-model-glyph: dynamic($form-checkbox-glyph);
 
/**
 * @var {string/list}
 * The glyph for the checkbox in "checked" state when {@link Global_CSS#$enable-font-icons} is `true`.
 */
$checkbox-selection-model-checked-glyph: dynamic($form-checkbox-checked-glyph);