104 lines
4.1 KiB
C++
104 lines
4.1 KiB
C++
/*
|
|
This file is part of Telegram Desktop,
|
|
the official desktop version of Telegram messaging app, see https://telegram.org
|
|
|
|
Telegram Desktop 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.
|
|
|
|
It 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.
|
|
|
|
In addition, as a special exception, the copyright holders give permission
|
|
to link the code of portions of this program with the OpenSSL library.
|
|
|
|
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
|
|
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
|
|
*/
|
|
#include "stdafx.h"
|
|
#include "ui/widgets/media_slider.h"
|
|
|
|
#include "styles/style_widgets.h"
|
|
|
|
namespace Ui {
|
|
|
|
MediaSlider::MediaSlider(QWidget *parent, const style::MediaSlider &st) : ContinuousSlider(parent)
|
|
, _st(st) {
|
|
}
|
|
|
|
QRect MediaSlider::getSeekRect() const {
|
|
return isHorizontal()
|
|
? QRect(_st.seekSize.width() / 2, 0, width() - _st.seekSize.width(), height())
|
|
: QRect(0, _st.seekSize.height() / 2, width(), height() - _st.seekSize.width());
|
|
}
|
|
|
|
float64 MediaSlider::getOverDuration() const {
|
|
return _st.duration;
|
|
}
|
|
|
|
void MediaSlider::paintEvent(QPaintEvent *e) {
|
|
Painter p(this);
|
|
p.setPen(Qt::NoPen);
|
|
p.setRenderHint(QPainter::HighQualityAntialiasing);
|
|
|
|
auto horizontal = isHorizontal();
|
|
auto ms = getms();
|
|
auto masterOpacity = fadeOpacity();
|
|
auto radius = _st.width / 2;
|
|
auto disabled = isDisabled();
|
|
auto over = getCurrentOverFactor(ms);
|
|
auto seekRect = getSeekRect();
|
|
auto value = getCurrentValue(ms);
|
|
|
|
// invert colors and value for vertical
|
|
if (!horizontal) value = 1. - value;
|
|
|
|
auto markerFrom = (horizontal ? seekRect.x() : seekRect.y());
|
|
auto markerLength = (horizontal ? seekRect.width() : seekRect.height());
|
|
auto from = _alwaysDisplayMarker ? 0 : markerFrom;
|
|
auto length = _alwaysDisplayMarker ? (horizontal ? width() : height()) : markerLength;
|
|
auto mid = qRound(from + value * length);
|
|
auto end = from + length;
|
|
auto &activeFg = disabled ? _st.disabledActiveFg : _st.activeFg;
|
|
auto &inactiveFg = disabled ? _st.disabledInactiveFg : _st.inactiveFg;
|
|
if (mid > from) {
|
|
auto fromClipRect = horizontal ? QRect(0, 0, mid, height()) : QRect(0, 0, width(), mid);
|
|
auto fromRect = horizontal
|
|
? QRect(from, (height() - _st.width) / 2, mid + radius - from, _st.width)
|
|
: QRect((width() - _st.width) / 2, from, _st.width, mid + radius - from);
|
|
p.setClipRect(fromClipRect);
|
|
p.setOpacity(masterOpacity * (over * _st.activeOpacity + (1. - over) * _st.inactiveOpacity));
|
|
p.setBrush(horizontal ? activeFg : inactiveFg);
|
|
p.drawRoundedRect(fromRect, radius, radius);
|
|
}
|
|
if (end > mid) {
|
|
auto endClipRect = horizontal ? QRect(mid, 0, width() - mid, height()) : QRect(0, mid, width(), height() - mid);
|
|
auto endRect = horizontal
|
|
? QRect(mid - radius, (height() - _st.width) / 2, end - (mid - radius), _st.width)
|
|
: QRect((width() - _st.width) / 2, mid - radius, _st.width, end - (mid - radius));
|
|
p.setClipRect(endClipRect);
|
|
p.setOpacity(masterOpacity);
|
|
p.setBrush(horizontal ? inactiveFg : activeFg);
|
|
p.drawRoundedRect(endRect, radius, radius);
|
|
}
|
|
auto markerSizeRatio = disabled ? 0. : (_alwaysDisplayMarker ? 1. : over);
|
|
if (markerSizeRatio > 0) {
|
|
auto position = qRound(markerFrom + value * markerLength) - (horizontal ? seekRect.x() : seekRect.y());
|
|
auto seekButton = horizontal
|
|
? QRect(position, (height() - _st.seekSize.height()) / 2, _st.seekSize.width(), _st.seekSize.height())
|
|
: QRect((width() - _st.seekSize.width()) / 2, position, _st.seekSize.width(), _st.seekSize.height());
|
|
auto size = horizontal ? _st.seekSize.width() : _st.seekSize.height();
|
|
auto remove = static_cast<int>(((1. - markerSizeRatio) * size) / 2.);
|
|
if (remove * 2 < size) {
|
|
p.setClipRect(rect());
|
|
p.setOpacity(masterOpacity * _st.activeOpacity);
|
|
p.setBrush(activeFg);
|
|
p.drawEllipse(seekButton.marginsRemoved(QMargins(remove, remove, remove, remove)));
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace Ui
|