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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qquickstyleitemdial.h"
QT_BEGIN_NAMESPACE
QFont QQuickStyleItemDial::styleFont(QQuickItem *control) const
{
return style()->font(QStyle::CE_ProgressBarLabel, controlSize(control));
}
void QQuickStyleItemDial::connectToControl() const
{
QQuickStyleItem::connectToControl();
auto dial = control<QQuickDial>();
connect(dial, &QQuickDial::fromChanged, this, &QQuickStyleItem::markImageDirty);
connect(dial, &QQuickDial::toChanged, this, &QQuickStyleItem::markImageDirty);
connect(dial, &QQuickDial::positionChanged, this, &QQuickStyleItem::markImageDirty);
connect(dial, &QQuickDial::valueChanged, this, &QQuickStyleItem::markImageDirty);
connect(dial, &QQuickDial::stepSizeChanged, this, &QQuickStyleItem::markImageDirty);
connect(dial, &QQuickDial::startAngleChanged, this, &QQuickStyleItem::markImageDirty);
connect(dial, &QQuickDial::endAngleChanged, this, &QQuickStyleItem::markImageDirty);
connect(dial, &QQuickDial::pressedChanged, this, &QQuickStyleItem::markImageDirty);
}
StyleItemGeometry QQuickStyleItemDial::calculateGeometry()
{
QStyleOptionSlider styleOption;
initStyleOption(styleOption);
StyleItemGeometry geometry;
geometry.minimumSize = style()->sizeFromContents(QStyle::CT_Dial, &styleOption, QSize(0, 0));
geometry.implicitSize = geometry.minimumSize;
geometry.layoutRect = style()->subElementRect(QStyle::SE_SliderLayoutItem, &styleOption);
geometry.ninePatchMargins = style()->ninePatchMargins(QStyle::CC_Dial, &styleOption, geometry.minimumSize);
geometry.focusFrameRadius = style()->pixelMetric(QStyle::PM_DialFocusFrameRadius, &styleOption);
return geometry;
}
void QQuickStyleItemDial::paintEvent(QPainter *painter) const
{
QStyleOptionSlider styleOption;
initStyleOption(styleOption);
style()->drawComplexControl(QStyle::CC_Dial, &styleOption, painter);
}
void QQuickStyleItemDial::initStyleOption(QStyleOptionSlider &styleOption) const
{
initStyleOptionBase(styleOption);
auto dial = control<QQuickDial>();
styleOption.subControls = QStyle::SC_SliderGroove | QStyle::SC_SliderHandle;
styleOption.activeSubControls = QStyle::SC_None;
styleOption.tickInterval = dial->stepSize();
styleOption.dialWrapping = dial->wrap();
styleOption.upsideDown = true;
styleOption.startAngle = dial->startAngle();
styleOption.endAngle = dial->endAngle();
if (dial->isPressed())
styleOption.state |= QStyle::State_Sunken;
if (dial->stepSize() == 0) {
styleOption.minimum = 0;
styleOption.maximum = 10000;
styleOption.sliderPosition = dial->position() * styleOption.maximum;
} else {
styleOption.minimum = dial->from();
styleOption.maximum = dial->to();
styleOption.sliderPosition = dial->value();
}
// TODO: add proper API for tickmarks
const int index = dial->metaObject()->indexOfProperty("qqc2_style_tickPosition");
if (index != -1) {
const int tickPosition = dial->metaObject()->property(index).read(dial).toInt();
styleOption.tickPosition = QStyleOptionSlider::TickPosition(tickPosition);
if (styleOption.tickPosition != QStyleOptionSlider::NoTicks)
styleOption.subControls |= QStyle::SC_DialTickmarks;
}
}
QT_END_NAMESPACE
#include "moc_qquickstyleitemdial.cpp"
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