diff options
Diffstat (limited to 'src/imports/nativestyle/items/qquickstyleitemdial.cpp')
-rw-r--r-- | src/imports/nativestyle/items/qquickstyleitemdial.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/imports/nativestyle/items/qquickstyleitemdial.cpp b/src/imports/nativestyle/items/qquickstyleitemdial.cpp new file mode 100644 index 00000000..f214fb2e --- /dev/null +++ b/src/imports/nativestyle/items/qquickstyleitemdial.cpp @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickstyleitemdial.h" + +QFont QQuickStyleItemDial::styleFont(QQuickItem *control) +{ + return style()->font(QStyle::CE_ProgressBarLabel, controlSize(control)); +} + +void QQuickStyleItemDial::connectToControl() +{ + 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::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); + + return geometry; +} + +void QQuickStyleItemDial::paintEvent(QPainter *painter) +{ + QStyleOptionSlider styleOption; + initStyleOption(styleOption); + style()->drawComplexControl(QStyle::CC_Dial, &styleOption, painter); +} + +void QQuickStyleItemDial::initStyleOption(QStyleOptionSlider &styleOption) +{ + 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; + + 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; + } + +} |