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39
40#ifndef QLAYOUT_P_H
41#define QLAYOUT_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of qlayout*.cpp, and qabstractlayout.cpp. This header
49// file may change from version to version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtWidgets/private/qtwidgetsglobal_p.h>
55#include "private/qobject_p.h"
56#include "qstyle.h"
57#include "qsizepolicy.h"
58
59QT_BEGIN_NAMESPACE
60
61class QWidgetItem;
62class QSpacerItem;
63class QLayoutItem;
64
65class Q_WIDGETS_EXPORT QLayoutPrivate : public QObjectPrivate
66{
67 Q_DECLARE_PUBLIC(QLayout)
68
69public:
70 typedef QWidgetItem * (*QWidgetItemFactoryMethod)(const QLayout *layout, QWidget *widget);
71 typedef QSpacerItem * (*QSpacerItemFactoryMethod)(const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy, QSizePolicy::Policy);
72
73 QLayoutPrivate();
74
75 void getMargin(int *result, int userMargin, QStyle::PixelMetric pm) const;
76 void doResize(const QSize &);
77 void reparentChildWidgets(QWidget *mw);
78 bool checkWidget(QWidget *widget) const;
79 bool checkLayout(QLayout *otherLayout) const;
80
81 static QWidgetItem *createWidgetItem(const QLayout *layout, QWidget *widget);
82 static QSpacerItem *createSpacerItem(const QLayout *layout, int w, int h, QSizePolicy::Policy hPolicy = QSizePolicy::Minimum, QSizePolicy::Policy vPolicy = QSizePolicy::Minimum);
83 virtual QLayoutItem* replaceAt(int index, QLayoutItem *newitem) { Q_UNUSED(index); Q_UNUSED(newitem); return 0; }
84
85 static QWidgetItemFactoryMethod widgetItemFactoryMethod;
86 static QSpacerItemFactoryMethod spacerItemFactoryMethod;
87
88 int insideSpacing;
89 int userLeftMargin;
90 int userTopMargin;
91 int userRightMargin;
92 int userBottomMargin;
93 uint topLevel : 1;
94 uint enabled : 1;
95 uint activated : 1;
96 uint autoNewChild : 1;
97 QLayout::SizeConstraint constraint;
98 QRect rect;
99 QWidget *menubar;
100};
101
102QT_END_NAMESPACE
103
104#endif // QLAYOUT_P_H
105