| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // 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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| 3 | |
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| 4 | #include "qgraphicslayoutstyleinfo_p.h" |
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| 5 | |
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| 6 | #include "qgraphicslayout_p.h" |
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| 7 | #include "qgraphicswidget.h" |
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| 8 | #include <QtWidgets/qstyle.h> |
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| 9 | #include <QtWidgets/qwidget.h> |
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| 10 | #include <QtWidgets/qapplication.h> |
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| 11 | |
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| 12 | QT_BEGIN_NAMESPACE |
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| 13 | |
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| 14 | QGraphicsLayoutStyleInfo::QGraphicsLayoutStyleInfo(const QGraphicsLayoutPrivate *layout) |
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| 15 | : m_layout(layout), m_style(nullptr) |
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| 16 | { |
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| 17 | m_widget.reset(p: new QWidget); // pixelMetric might need a widget ptr |
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| 18 | m_styleOption.initFrom(w: m_widget.get()); |
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| 19 | m_isWindow = m_styleOption.state & QStyle::State_Window; |
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| 20 | } |
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| 21 | |
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| 22 | QGraphicsLayoutStyleInfo::~QGraphicsLayoutStyleInfo() |
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| 23 | { |
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| 24 | } |
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| 25 | |
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| 26 | qreal QGraphicsLayoutStyleInfo::combinedLayoutSpacing(QLayoutPolicy::ControlTypes controls1, |
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| 27 | QLayoutPolicy::ControlTypes controls2, |
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| 28 | Qt::Orientation orientation) const |
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| 29 | { |
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| 30 | Q_ASSERT(style()); |
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| 31 | return style()->combinedLayoutSpacing(controls1: QSizePolicy::ControlTypes(int(controls1)), controls2: QSizePolicy::ControlTypes(int(controls2)), |
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| 32 | orientation, option: const_cast<QStyleOption*>(&m_styleOption), widget: widget()); |
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| 33 | } |
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| 34 | |
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| 35 | qreal QGraphicsLayoutStyleInfo::perItemSpacing(QLayoutPolicy::ControlType control1, |
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| 36 | QLayoutPolicy::ControlType control2, |
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| 37 | Qt::Orientation orientation) const |
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| 38 | { |
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| 39 | Q_ASSERT(style()); |
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| 40 | return style()->layoutSpacing(control1: QSizePolicy::ControlType(control1), control2: QSizePolicy::ControlType(control2), |
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| 41 | orientation, option: const_cast<QStyleOption*>(&m_styleOption), widget: widget()); |
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| 42 | } |
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| 43 | |
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| 44 | qreal QGraphicsLayoutStyleInfo::spacing(Qt::Orientation orientation) const |
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| 45 | { |
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| 46 | Q_ASSERT(style()); |
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| 47 | return style()->pixelMetric(metric: orientation == Qt::Horizontal |
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| 48 | ? QStyle::PM_LayoutHorizontalSpacing : QStyle::PM_LayoutVerticalSpacing, |
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| 49 | option: &m_styleOption, widget: widget()); |
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| 50 | } |
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| 51 | |
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| 52 | qreal QGraphicsLayoutStyleInfo::windowMargin(Qt::Orientation orientation) const |
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| 53 | { |
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| 54 | return style()->pixelMetric(metric: orientation == Qt::Vertical |
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| 55 | ? QStyle::PM_LayoutBottomMargin |
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| 56 | : QStyle::PM_LayoutRightMargin, |
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| 57 | option: const_cast<QStyleOption*>(&m_styleOption), widget: widget()); |
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| 58 | } |
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| 59 | |
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| 60 | QWidget *QGraphicsLayoutStyleInfo::widget() const { return m_widget.get(); } |
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| 61 | |
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| 62 | QStyle *QGraphicsLayoutStyleInfo::style() const |
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| 63 | { |
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| 64 | if (!m_style) { |
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| 65 | Q_ASSERT(m_layout); |
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| 66 | QGraphicsItem *item = m_layout->parentItem(); |
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| 67 | m_style = (item && item->isWidget()) ? static_cast<QGraphicsWidget*>(item)->style() : QApplication::style(); |
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| 68 | } |
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| 69 | return m_style; |
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| 70 | } |
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| 71 | |
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| 72 | QT_END_NAMESPACE |
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| 73 | |
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