1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright (C) 2016 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 "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(nullptr)
{
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,
&m_styleOption, widget());
}
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
|
