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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 "qquickstyleitemprogressbar.h"
QT_BEGIN_NAMESPACE
QFont QQuickStyleItemProgressBar::styleFont(QQuickItem *control) const
{
return style()->font(QStyle::CE_ProgressBarLabel, controlSize(control));
}
void QQuickStyleItemProgressBar::connectToControl() const
{
QQuickStyleItem::connectToControl();
auto progressBar = control<QQuickProgressBar>();
connect(progressBar, &QQuickProgressBar::fromChanged, this, &QQuickStyleItem::markImageDirty);
connect(progressBar, &QQuickProgressBar::toChanged, this, &QQuickStyleItem::markImageDirty);
connect(progressBar, &QQuickProgressBar::positionChanged, this, &QQuickStyleItem::markImageDirty);
}
StyleItemGeometry QQuickStyleItemProgressBar::calculateGeometry()
{
QStyleOptionProgressBar styleOption;
initStyleOption(styleOption);
StyleItemGeometry geometry;
geometry.minimumSize = style()->sizeFromContents(QStyle::CT_ProgressBar, &styleOption, QSize(0, 0));
// From qprogressbar.cpp in qtbase:
const int cw = style()->pixelMetric(QStyle::PM_ProgressBarChunkWidth, &styleOption);
QFontMetrics fm(control<QQuickProgressBar>()->font());
QSize size = QSize(qMax(9, cw) * 7 + fm.horizontalAdvance(QLatin1Char('0')) * 4, fm.height() + 8);
if (!(styleOption.state & QStyle::State_Horizontal))
size = size.transposed();
geometry.implicitSize = style()->sizeFromContents(QStyle::CT_ProgressBar, &styleOption, size);
styleOption.rect = QRect(QPoint(0, 0), geometry.implicitSize);
geometry.contentRect = style()->subElementRect(QStyle::SE_ProgressBarContents, &styleOption);
geometry.layoutRect = style()->subElementRect(QStyle::SE_ProgressBarLayoutItem, &styleOption);
geometry.ninePatchMargins = style()->ninePatchMargins(QStyle::CE_ProgressBar, &styleOption, geometry.minimumSize);
return geometry;
}
void QQuickStyleItemProgressBar::paintEvent(QPainter *painter) const
{
QStyleOptionProgressBar styleOption;
initStyleOption(styleOption);
#ifndef Q_OS_MACOS
const QRect r = styleOption.rect;
#endif
// Note: on macOS, the groove will paint both the background and the contents
styleOption.rect = style()->subElementRect(QStyle::SE_ProgressBarGroove, &styleOption);
style()->drawControl(QStyle::CE_ProgressBarGroove, &styleOption, painter);
#ifndef Q_OS_MACOS
styleOption.rect = r;
styleOption.rect = style()->subElementRect(QStyle::SE_ProgressBarContents, &styleOption);
style()->drawControl(QStyle::CE_ProgressBarContents, &styleOption, painter);
#endif
}
void QQuickStyleItemProgressBar::initStyleOption(QStyleOptionProgressBar &styleOption) const
{
initStyleOptionBase(styleOption);
auto progressBar = control<QQuickProgressBar>();
styleOption.state = QStyle::State_Horizontal;
if (progressBar->isIndeterminate()) {
styleOption.minimum = 0;
styleOption.maximum = 0;
} else if (progressBar->to() - progressBar->from() < 100) {
// Add some range to support float numbers
styleOption.minimum = 0;
styleOption.maximum = (progressBar->to() - progressBar->from()) * 100;
styleOption.progress = (progressBar->value() - progressBar->from()) * 100;
} else {
styleOption.minimum = progressBar->from();
styleOption.maximum = progressBar->to();
styleOption.progress = progressBar->value();
}
}
QT_END_NAMESPACE
#include "moc_qquickstyleitemprogressbar.cpp"
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