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50
51#ifndef ICONPREVIEWAREA_H
52#define ICONPREVIEWAREA_H
53
54#include <QIcon>
55#include <QWidget>
56#include <QStringList>
57#include <QVector>
58
59QT_BEGIN_NAMESPACE
60class QLabel;
61QT_END_NAMESPACE
62
63//! [0]
64class IconPreviewArea : public QWidget
65{
66 Q_OBJECT
67
68public:
69 explicit IconPreviewArea(QWidget *parent = nullptr);
70
71 void setIcon(const QIcon &icon);
72 void setSize(const QSize &size);
73
74 static QVector<QIcon::Mode> iconModes();
75 static QVector<QIcon::State> iconStates();
76 static QStringList iconModeNames();
77 static QStringList iconStateNames();
78
79private:
80 QLabel *createHeaderLabel(const QString &text);
81 QLabel *createPixmapLabel();
82 void updatePixmapLabels();
83
84 enum { NumModes = 4, NumStates = 2 };
85
86 QIcon icon;
87 QSize size;
88 QLabel *stateLabels[NumStates];
89 QLabel *modeLabels[NumModes];
90 QLabel *pixmapLabels[NumModes][NumStates];
91};
92//! [0]
93
94#endif
95

source code of qtbase/examples/widgets/widgets/icons/iconpreviewarea.h