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39
40#include <QtWidgets/private/qtwidgetsglobal_p.h>
41#include <QtCore/qpoint.h>
42#include <QtCore/qstring.h>
43#include <QtGui/qpolygon.h>
44#include <QtCore/qstringbuilder.h>
45#include <QtGui/qaccessible.h>
46
47#ifndef QSTYLEHELPER_P_H
48#define QSTYLEHELPER_P_H
49
50//
51// W A R N I N G
52// -------------
53//
54// This file is not part of the Qt API. It exists purely as an
55// implementation detail. This header file may change from version to
56// version without notice, or even be removed.
57//
58// We mean it.
59//
60
61#include <private/qhexstring_p.h>
62
63QT_BEGIN_NAMESPACE
64
65class QColor;
66class QObject;
67class QPainter;
68class QPalette;
69class QPixmap;
70class QStyleOptionSlider;
71class QStyleOption;
72class QWidget;
73class QWindow;
74
75namespace QStyleHelper
76{
77 QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size);
78 Q_WIDGETS_EXPORT qreal dpiScaled(qreal value);
79#if QT_CONFIG(dial)
80 qreal angle(const QPointF &p1, const QPointF &p2);
81 QPolygonF calcLines(const QStyleOptionSlider *dial);
82 int calcBigLineSize(int radius);
83 Q_WIDGETS_EXPORT void drawDial(const QStyleOptionSlider *dial, QPainter *painter);
84#endif //QT_CONFIG(dial)
85 Q_WIDGETS_EXPORT void drawBorderPixmap(const QPixmap &pixmap, QPainter *painter, const QRect &rect,
86 int left = 0, int top = 0, int right = 0,
87 int bottom = 0);
88#ifndef QT_NO_ACCESSIBILITY
89 Q_WIDGETS_EXPORT bool isInstanceOf(QObject *obj, QAccessible::Role role);
90 Q_WIDGETS_EXPORT bool hasAncestor(QObject *obj, QAccessible::Role role);
91#endif
92 Q_WIDGETS_EXPORT QColor backgroundColor(const QPalette &pal, const QWidget* widget = nullptr);
93
94 enum WidgetSizePolicy { SizeLarge = 0, SizeSmall = 1, SizeMini = 2, SizeDefault = -1 };
95
96 Q_WIDGETS_EXPORT WidgetSizePolicy widgetSizePolicy(const QWidget *w, const QStyleOption *opt = nullptr);
97}
98
99
100QT_END_NAMESPACE
101
102#endif // QSTYLEHELPER_P_H
103