qfontcombobox.h 3.5 KB

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  1. /****************************************************************************
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  3. ** Copyright (C) 2016 The Qt Company Ltd.
  4. ** Contact: https://www.qt.io/licensing/
  5. **
  6. ** This file is part of the QtWidgets module of the Qt Toolkit.
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  17. ** GNU Lesser General Public License Usage
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  25. ** GNU General Public License Usage
  26. ** Alternatively, this file may be used under the terms of the GNU
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  36. ** $QT_END_LICENSE$
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  38. ****************************************************************************/
  39. #ifndef QFONTCOMBOBOX_H
  40. #define QFONTCOMBOBOX_H
  41. #include <QtWidgets/qcombobox.h>
  42. #include <QtGui/qfontdatabase.h>
  43. #ifndef QT_NO_FONTCOMBOBOX
  44. QT_BEGIN_NAMESPACE
  45. class QFontComboBoxPrivate;
  46. class Q_WIDGETS_EXPORT QFontComboBox : public QComboBox
  47. {
  48. Q_OBJECT
  49. Q_FLAGS(FontFilters)
  50. Q_PROPERTY(QFontDatabase::WritingSystem writingSystem READ writingSystem WRITE setWritingSystem)
  51. Q_PROPERTY(FontFilters fontFilters READ fontFilters WRITE setFontFilters)
  52. Q_PROPERTY(QFont currentFont READ currentFont WRITE setCurrentFont NOTIFY currentFontChanged)
  53. public:
  54. explicit QFontComboBox(QWidget *parent = Q_NULLPTR);
  55. ~QFontComboBox();
  56. void setWritingSystem(QFontDatabase::WritingSystem);
  57. QFontDatabase::WritingSystem writingSystem() const;
  58. enum FontFilter {
  59. AllFonts = 0,
  60. ScalableFonts = 0x1,
  61. NonScalableFonts = 0x2,
  62. MonospacedFonts = 0x4,
  63. ProportionalFonts = 0x8
  64. };
  65. Q_DECLARE_FLAGS(FontFilters, FontFilter)
  66. void setFontFilters(FontFilters filters);
  67. FontFilters fontFilters() const;
  68. QFont currentFont() const;
  69. QSize sizeHint() const Q_DECL_OVERRIDE;
  70. public Q_SLOTS:
  71. void setCurrentFont(const QFont &f);
  72. Q_SIGNALS:
  73. void currentFontChanged(const QFont &f);
  74. protected:
  75. bool event(QEvent *e) Q_DECL_OVERRIDE;
  76. private:
  77. Q_DISABLE_COPY(QFontComboBox)
  78. Q_DECLARE_PRIVATE(QFontComboBox)
  79. Q_PRIVATE_SLOT(d_func(), void _q_currentChanged(const QString &))
  80. Q_PRIVATE_SLOT(d_func(), void _q_updateModel())
  81. };
  82. Q_DECLARE_OPERATORS_FOR_FLAGS(QFontComboBox::FontFilters)
  83. QT_END_NAMESPACE
  84. #endif // QT_NO_FONTCOMBOBOX
  85. #endif