/*
 * Strawberry Music Player
 * This file was part of Clementine.
 * Copyright 2010, David Sansome <me@davidsansome.com>
 *
 * Strawberry is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Strawberry is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include <QWidget>
#include <QSlider>
#include <QMouseEvent>

#include "stickyslider.h"

StickySlider::StickySlider(QWidget *parent)
    : QSlider(parent),
      sticky_center_(-1),
      sticky_threshold_(10) {}

void StickySlider::set_sticky_center(const int center) {

  if (sticky_center_ == center) return;

  sticky_center_ = center;

  Q_EMIT StickyCenterChanged(sticky_center_);

}

void StickySlider::set_sticky_threshold(const int threshold) {

  if (sticky_threshold_ == threshold) return;

  sticky_threshold_ = threshold;

  Q_EMIT StickyThresholdChanged(sticky_threshold_);

}

void StickySlider::mouseMoveEvent(QMouseEvent *e) {

  QSlider::mouseMoveEvent(e);

  if (sticky_center_ == -1) return;

  const int v = sliderPosition();
  if (v <= sticky_center_ + sticky_threshold_ && v >= sticky_center_ - sticky_threshold_) {
    setSliderPosition(sticky_center_);
  }

}
