1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QFONTCOMBOBOX_H |
5 | #define QFONTCOMBOBOX_H |
6 | |
7 | #include <QtWidgets/qtwidgetsglobal.h> |
8 | #include <QtWidgets/qcombobox.h> |
9 | #include <QtGui/qfontdatabase.h> |
10 | |
11 | QT_REQUIRE_CONFIG(fontcombobox); |
12 | |
13 | QT_BEGIN_NAMESPACE |
14 | |
15 | class QFontComboBoxPrivate; |
16 | |
17 | class Q_WIDGETS_EXPORT QFontComboBox : public QComboBox |
18 | { |
19 | Q_OBJECT |
20 | Q_PROPERTY(QFontDatabase::WritingSystem writingSystem READ writingSystem WRITE setWritingSystem) |
21 | Q_PROPERTY(FontFilters fontFilters READ fontFilters WRITE setFontFilters) |
22 | Q_PROPERTY(QFont currentFont READ currentFont WRITE setCurrentFont NOTIFY currentFontChanged) |
23 | |
24 | public: |
25 | explicit QFontComboBox(QWidget *parent = nullptr); |
26 | ~QFontComboBox(); |
27 | |
28 | void setWritingSystem(QFontDatabase::WritingSystem); |
29 | QFontDatabase::WritingSystem writingSystem() const; |
30 | |
31 | enum FontFilter { |
32 | AllFonts = 0, |
33 | ScalableFonts = 0x1, |
34 | NonScalableFonts = 0x2, |
35 | MonospacedFonts = 0x4, |
36 | ProportionalFonts = 0x8 |
37 | }; |
38 | Q_DECLARE_FLAGS(FontFilters, FontFilter) |
39 | Q_FLAG(FontFilters) |
40 | |
41 | void setFontFilters(FontFilters filters); |
42 | FontFilters fontFilters() const; |
43 | |
44 | QFont currentFont() const; |
45 | QSize sizeHint() const override; |
46 | |
47 | void setSampleTextForSystem(QFontDatabase::WritingSystem writingSystem, const QString &sampleText); |
48 | QString sampleTextForSystem(QFontDatabase::WritingSystem writingSystem) const; |
49 | |
50 | void setSampleTextForFont(const QString &fontFamily, const QString &sampleText); |
51 | QString sampleTextForFont(const QString &fontFamily) const; |
52 | |
53 | void setDisplayFont(const QString &fontFamily, const QFont &font); |
54 | std::optional<QFont> displayFont(const QString &fontFamily) const; |
55 | |
56 | public Q_SLOTS: |
57 | void setCurrentFont(const QFont &f); |
58 | |
59 | Q_SIGNALS: |
60 | void currentFontChanged(const QFont &f); |
61 | |
62 | protected: |
63 | bool event(QEvent *e) override; |
64 | |
65 | private: |
66 | Q_DISABLE_COPY(QFontComboBox) |
67 | Q_DECLARE_PRIVATE(QFontComboBox) |
68 | Q_PRIVATE_SLOT(d_func(), void _q_currentChanged(const QString &)) |
69 | Q_PRIVATE_SLOT(d_func(), void _q_updateModel()) |
70 | }; |
71 | |
72 | Q_DECLARE_OPERATORS_FOR_FLAGS(QFontComboBox::FontFilters) |
73 | |
74 | QT_END_NAMESPACE |
75 | |
76 | #endif |
77 | |