<?php
/**
* Button
*
* @package Nc
*/
class NcButton extends NcWindow {
	protected $label = '';
	
	/**
	* Constructor
	*
	* Creates a new button widget
	*
	* @param NcWindow $parent Parent window
	* @param integer $width Width
	* @param integer $y Row
	* @param integer $x Column
	* @param float $max Maximum value
	* @param boolean $show_pct Display the percentage alongside the progress bar
	*/
	public function __construct( &$parent, $height, $width, $y, $x, $label = '', $frame = true) {
		parent::__construct( $parent, $height, $width, $y, $x, $frame );
		$this->label($label);
	}
	public function title($value = false) {
		parent::title('');
	}
	public function label($value = false) {
		if( $value === false ) {
			return $this->label;
		} else {
			if( $this->active() ) {
				$this->attribute_on( NCURSES_A_REVERSE );
			}
			$this->write_centered(floor($this->height() / 2), $value);
			$this->attribute_off(NCURSES_A_REVERSE);
			$this->label = $value;
		}
	}
	public function click() {
		$this->emit('clicked');
	}
	public function focus() {
		parent::focus();
		$this->label($this->label);
	}
	public function blur() {
		parent::blur();
		$this->label($this->label);
	}
	public function on_key_press($key) {
		switch( $key ) {
			case 13:
				// RETURN
				$this->click();
				break;
			default:
				parent::on_key_press($key);
		}
	}
}
?>