Clementine-audio-player-Mac-Linux-Windows/src/widgets/stickyslider.cpp

/* This file is part of Clementine.

   Clementine 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.

   Clementine 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 Clementine.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "stickyslider.h"

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

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_);
}