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39 
40 #ifndef QFONTCOMBOBOX_H
41 #define QFONTCOMBOBOX_H
42 
43 #include <QtWidgets/qtwidgetsglobal.h>
44 #include <QtWidgets/qcombobox.h>
45 #include <QtGui/qfontdatabase.h>
46 
47 QT_REQUIRE_CONFIG(fontcombobox);
48 
49 QT_BEGIN_NAMESPACE
50 
51 class QFontComboBoxPrivate;
52 
53 class Q_WIDGETS_EXPORT QFontComboBox : public QComboBox
54 {
55     Q_OBJECT
56     Q_PROPERTY(QFontDatabase::WritingSystem writingSystem READ writingSystem WRITE setWritingSystem)
57     Q_PROPERTY(FontFilters fontFilters READ fontFilters WRITE setFontFilters)
58     Q_PROPERTY(QFont currentFont READ currentFont WRITE setCurrentFont NOTIFY currentFontChanged)
59 
60 public:
61     explicit QFontComboBox(QWidget *parent = nullptr);
62     ~QFontComboBox();
63 
64     void setWritingSystem(QFontDatabase::WritingSystem);
65     QFontDatabase::WritingSystem writingSystem() const;
66 
67     enum FontFilter {
68         AllFonts = 0,
69         ScalableFonts = 0x1,
70         NonScalableFonts = 0x2,
71         MonospacedFonts = 0x4,
72         ProportionalFonts = 0x8
73     };
74     Q_DECLARE_FLAGS(FontFilters, FontFilter)
75     Q_FLAG(FontFilters)
76 
77     void setFontFilters(FontFilters filters);
78     FontFilters fontFilters() const;
79 
80     QFont currentFont() const;
81     QSize sizeHint() const override;
82 
83 public Q_SLOTS:
84     void setCurrentFont(const QFont &f);
85 
86 Q_SIGNALS:
87     void currentFontChanged(const QFont &f);
88 
89 protected:
90     bool event(QEvent *e) override;
91 
92 private:
93     Q_DISABLE_COPY(QFontComboBox)
94     Q_DECLARE_PRIVATE(QFontComboBox)
95     Q_PRIVATE_SLOT(d_func(), void _q_currentChanged(const QString &))
96     Q_PRIVATE_SLOT(d_func(), void _q_updateModel())
97 };
98 
99 Q_DECLARE_OPERATORS_FOR_FLAGS(QFontComboBox::FontFilters)
100 
101 QT_END_NAMESPACE
102 
103 #endif
104