QGIS API Documentation  3.26.3-Buenos Aires (65e4edfdad)
characterwidget.h
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46 
47 #ifndef CHARACTERWIDGET_H
48 #define CHARACTERWIDGET_H
49 
50 #include "qgis_sip.h"
51 #include "qgis_gui.h"
52 
53 #include <QFont>
54 #include <QPoint>
55 #include <QSize>
56 #include <QString>
57 #include <QWidget>
58 
59 
60 class QMouseEvent;
61 class QPaintEvent;
62 
69 class GUI_EXPORT CharacterWidget : public QWidget
70 {
71  Q_OBJECT
72  Q_PROPERTY( QChar character READ character WRITE setCharacter NOTIFY characterSelected )
73  Q_PROPERTY( int columns READ columns WRITE setColumns )
74  Q_PROPERTY( QFont font READ font WRITE setFont )
75 
76  public:
77 
81  CharacterWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr );
82 
83  QSize sizeHint() const override;
84 
88  int columns() const { return mColumns; }
89 
93  int squareSize() const { return mSquareSize; }
94 
100  QChar character() const { return QChar( mLastKey ); }
101 
107  QFont font() const { return mDisplayFont; }
108 
109  public slots:
110 
116  void setFont( const QFont &font );
117 
122  void setFontSize( double fontSize );
123 
128  void setFontStyle( const QString &fontStyle );
129 
130  void updateFontMerging( bool enable );
131 
136  void setColumns( int columns );
137 
143  void setCharacter( QChar character );
144 
150  void clearCharacter();
151 
152  signals:
153 
157  void characterSelected( QChar character );
158 
159  protected:
160  void keyPressEvent( QKeyEvent *event ) override;
161  void mouseMoveEvent( QMouseEvent *event ) override;
162  void mousePressEvent( QMouseEvent *event ) override;
163  void paintEvent( QPaintEvent *event ) override;
164  void resizeEvent( QResizeEvent *event ) override;
165 
166  private:
167  QFont mDisplayFont;
168  int mColumns = 13;
169  int mLastKey = -1;
170  int mSquareSize = 24;
171 };
172 
173 #endif
CharacterWidget
A widget for displaying characters available in a preset font, and allowing users to select an indivi...
Definition: characterwidget.h:69
CharacterWidget::squareSize
int squareSize() const
Returns the size (in pixels) of the square used to render each character preview.
Definition: characterwidget.h:93
CharacterWidget::character
QChar character() const
Returns the currently selected character in the widget.
Definition: characterwidget.h:100
qgis_sip.h
CharacterWidget::font
QFont font() const
Returns the font shown in the widget.
Definition: characterwidget.h:107
SIP_TRANSFERTHIS
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53