| 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 | }; |
| 69 | |
| 70 | Q_DECLARE_OPERATORS_FOR_FLAGS(QFontComboBox::FontFilters) |
| 71 | |
| 72 | QT_END_NAMESPACE |
| 73 | |
| 74 | #endif |
| 75 |