float64 ContinuousSlider::computeValue(const QPoint &pos) const {
auto seekRect = myrtlrect(getSeekRect());
auto result = isHorizontal() ?
(pos.x() - seekRect.x()) / float64(seekRect.width()) :
(1. - (pos.y() - seekRect.y()) / float64(seekRect.height()));
return snap(result, 0., 1.);
}
void FilledSlider::paintEvent(QPaintEvent *e) {
Painter p(this);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
auto masterOpacity = fadeOpacity();
auto ms = getms();
auto disabled = isDisabled();
auto over = getCurrentOverFactor(ms);
auto lineWidth = _st.lineWidth + ((_st.fullWidth - _st.lineWidth) * over);
auto lineWidthRounded = qFloor(lineWidth);
auto lineWidthPartial = lineWidth - lineWidthRounded;
auto seekRect = getSeekRect();
auto value = getCurrentValue(ms);
auto from = seekRect.x(), mid = qRound(from + value * seekRect.width()), end = from + seekRect.width();
if (mid > from) {
p.setOpacity(masterOpacity);
p.fillRect(from, height() - lineWidthRounded, (mid - from), lineWidthRounded, disabled ? _st.disabledFg : _st.activeFg);
if (lineWidthPartial > 0.01) {
p.setOpacity(masterOpacity * lineWidthPartial);
p.fillRect(from, height() - lineWidthRounded - 1, (mid - from), 1, disabled ? _st.disabledFg : _st.activeFg);
}
}
if (end > mid && over > 0) {
p.setOpacity(masterOpacity * over);
p.fillRect(mid, height() - lineWidthRounded, (end - mid), lineWidthRounded, _st.inactiveFg);
if (lineWidthPartial > 0.01) {
p.setOpacity(masterOpacity * over * lineWidthPartial);
p.fillRect(mid, height() - lineWidthRounded - 1, (end - mid), 1, _st.inactiveFg);
}
}
}
void MediaSlider::paintEvent(QPaintEvent *e) {
Painter p(this);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setOpacity(fadeOpacity());
auto horizontal = isHorizontal();
auto ms = getms();
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.activeFgDisabled : anim::brush(_st.activeFg, _st.activeFgOver, over);
auto inactiveFg = disabled ? _st.inactiveFgDisabled : anim::brush(_st.inactiveFg, _st.inactiveFgOver, over);
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.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.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.setBrush(activeFg);
p.drawEllipse(seekButton.marginsRemoved(QMargins(remove, remove, remove, remove)));
}
}
}
float64 ContinuousSlider::computeValue(const QPoint &pos) const {
const auto seekRect = myrtlrect(getSeekRect());
const auto result = isHorizontal() ?
(pos.x() - seekRect.x()) / float64(seekRect.width()) :
(1. - (pos.y() - seekRect.y()) / float64(seekRect.height()));
const auto snapped = snap(result, 0., 1.);
return _adjustCallback ? _adjustCallback(snapped) : snapped;
}
