73 lines
2.7 KiB
C++
73 lines
2.7 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#include "qgraphicslayoutstyleinfo_p.h"
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#include "qgraphicslayout_p.h"
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#include "qgraphicswidget.h"
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#include <QtWidgets/qstyle.h>
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#include <QtWidgets/qwidget.h>
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#include <QtWidgets/qapplication.h>
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QT_BEGIN_NAMESPACE
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QGraphicsLayoutStyleInfo::QGraphicsLayoutStyleInfo(const QGraphicsLayoutPrivate *layout)
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: m_layout(layout), m_style(nullptr)
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{
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m_widget.reset(new QWidget); // pixelMetric might need a widget ptr
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m_styleOption.initFrom(m_widget.get());
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m_isWindow = m_styleOption.state & QStyle::State_Window;
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}
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QGraphicsLayoutStyleInfo::~QGraphicsLayoutStyleInfo()
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{
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}
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qreal QGraphicsLayoutStyleInfo::combinedLayoutSpacing(QLayoutPolicy::ControlTypes controls1,
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QLayoutPolicy::ControlTypes controls2,
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Qt::Orientation orientation) const
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{
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Q_ASSERT(style());
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return style()->combinedLayoutSpacing(QSizePolicy::ControlTypes(int(controls1)), QSizePolicy::ControlTypes(int(controls2)),
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orientation, const_cast<QStyleOption*>(&m_styleOption), widget());
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}
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qreal QGraphicsLayoutStyleInfo::perItemSpacing(QLayoutPolicy::ControlType control1,
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QLayoutPolicy::ControlType control2,
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Qt::Orientation orientation) const
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{
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Q_ASSERT(style());
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return style()->layoutSpacing(QSizePolicy::ControlType(control1), QSizePolicy::ControlType(control2),
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orientation, const_cast<QStyleOption*>(&m_styleOption), widget());
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}
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qreal QGraphicsLayoutStyleInfo::spacing(Qt::Orientation orientation) const
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{
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Q_ASSERT(style());
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return style()->pixelMetric(orientation == Qt::Horizontal
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? QStyle::PM_LayoutHorizontalSpacing : QStyle::PM_LayoutVerticalSpacing,
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&m_styleOption);
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}
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qreal QGraphicsLayoutStyleInfo::windowMargin(Qt::Orientation orientation) const
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{
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return style()->pixelMetric(orientation == Qt::Vertical
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? QStyle::PM_LayoutBottomMargin
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: QStyle::PM_LayoutRightMargin,
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const_cast<QStyleOption*>(&m_styleOption), widget());
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}
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QWidget *QGraphicsLayoutStyleInfo::widget() const { return m_widget.get(); }
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QStyle *QGraphicsLayoutStyleInfo::style() const
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{
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if (!m_style) {
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Q_ASSERT(m_layout);
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QGraphicsItem *item = m_layout->parentItem();
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m_style = (item && item->isWidget()) ? static_cast<QGraphicsWidget*>(item)->style() : QApplication::style();
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}
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return m_style;
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}
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QT_END_NAMESPACE
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