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| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtWidgets module of the Qt Toolkit. |
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| |
| #include "qgraphicslayoutstyleinfo_p.h" |
| |
| #include "qgraphicslayout_p.h" |
| #include "qgraphicswidget.h" |
| #include <QtWidgets/qstyle.h> |
| #include <QtWidgets/qwidget.h> |
| #include <QtWidgets/qapplication.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| QGraphicsLayoutStyleInfo::QGraphicsLayoutStyleInfo(const QGraphicsLayoutPrivate *layout) |
| : m_layout(layout), m_style(0) |
| { |
| m_widget.reset(new QWidget); // pixelMetric might need a widget ptr |
| m_styleOption.initFrom(m_widget.get()); |
| m_isWindow = m_styleOption.state & QStyle::State_Window; |
| } |
| |
| QGraphicsLayoutStyleInfo::~QGraphicsLayoutStyleInfo() |
| { |
| } |
| |
| qreal QGraphicsLayoutStyleInfo::combinedLayoutSpacing(QLayoutPolicy::ControlTypes controls1, |
| QLayoutPolicy::ControlTypes controls2, |
| Qt::Orientation orientation) const |
| { |
| Q_ASSERT(style()); |
| return style()->combinedLayoutSpacing(QSizePolicy::ControlTypes(int(controls1)), QSizePolicy::ControlTypes(int(controls2)), |
| orientation, const_cast<QStyleOption*>(&m_styleOption), widget()); |
| } |
| |
| qreal QGraphicsLayoutStyleInfo::perItemSpacing(QLayoutPolicy::ControlType control1, |
| QLayoutPolicy::ControlType control2, |
| Qt::Orientation orientation) const |
| { |
| Q_ASSERT(style()); |
| return style()->layoutSpacing(QSizePolicy::ControlType(control1), QSizePolicy::ControlType(control2), |
| orientation, const_cast<QStyleOption*>(&m_styleOption), widget()); |
| } |
| |
| qreal QGraphicsLayoutStyleInfo::spacing(Qt::Orientation orientation) const |
| { |
| Q_ASSERT(style()); |
| return style()->pixelMetric(orientation == Qt::Horizontal ? QStyle::PM_LayoutHorizontalSpacing : QStyle::PM_LayoutVerticalSpacing); |
| } |
| |
| qreal QGraphicsLayoutStyleInfo::windowMargin(Qt::Orientation orientation) const |
| { |
| return style()->pixelMetric(orientation == Qt::Vertical |
| ? QStyle::PM_LayoutBottomMargin |
| : QStyle::PM_LayoutRightMargin, |
| const_cast<QStyleOption*>(&m_styleOption), widget()); |
| } |
| |
| QWidget *QGraphicsLayoutStyleInfo::widget() const { return m_widget.get(); } |
| |
| QStyle *QGraphicsLayoutStyleInfo::style() const |
| { |
| if (!m_style) { |
| Q_ASSERT(m_layout); |
| QGraphicsItem *item = m_layout->parentItem(); |
| m_style = (item && item->isWidget()) ? static_cast<QGraphicsWidget*>(item)->style() : QApplication::style(); |
| } |
| return m_style; |
| } |
| |
| QT_END_NAMESPACE |