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40****************************************************************************/
41
42#ifndef QLABEL_H
43#define QLABEL_H
44
45#include <QtGui/qframe.h>
46
47QT_BEGIN_HEADER
48
49QT_BEGIN_NAMESPACE
50
51QT_MODULE(Gui)
52
53class QLabelPrivate;
54
55class Q_GUI_EXPORT QLabel : public QFrame
56{
57 Q_OBJECT
58 Q_PROPERTY(QString text READ text WRITE setText)
59 Q_PROPERTY(Qt::TextFormat textFormat READ textFormat WRITE setTextFormat)
60 Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap)
61 Q_PROPERTY(bool scaledContents READ hasScaledContents WRITE setScaledContents)
62 Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
63 Q_PROPERTY(bool wordWrap READ wordWrap WRITE setWordWrap)
64 Q_PROPERTY(int margin READ margin WRITE setMargin)
65 Q_PROPERTY(int indent READ indent WRITE setIndent)
66 Q_PROPERTY(bool openExternalLinks READ openExternalLinks WRITE setOpenExternalLinks)
67 Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags)
68 Q_PROPERTY(bool hasSelectedText READ hasSelectedText)
69 Q_PROPERTY(QString selectedText READ selectedText)
70
71public:
72 explicit QLabel(QWidget *parent=0, Qt::WindowFlags f=0);
73 explicit QLabel(const QString &text, QWidget *parent=0, Qt::WindowFlags f=0);
74 ~QLabel();
75
76 QString text() const;
77 const QPixmap *pixmap() const;
78#ifndef QT_NO_PICTURE
79 const QPicture *picture() const;
80#endif
81#ifndef QT_NO_MOVIE
82 QMovie *movie() const;
83#endif
84
85 Qt::TextFormat textFormat() const;
86 void setTextFormat(Qt::TextFormat);
87
88 Qt::Alignment alignment() const;
89 void setAlignment(Qt::Alignment);
90
91 void setWordWrap(bool on);
92 bool wordWrap() const;
93
94 int indent() const;
95 void setIndent(int);
96
97 int margin() const;
98 void setMargin(int);
99
100 bool hasScaledContents() const;
101 void setScaledContents(bool);
102 QSize sizeHint() const;
103 QSize minimumSizeHint() const;
104#ifndef QT_NO_SHORTCUT
105 void setBuddy(QWidget *);
106 QWidget *buddy() const;
107#endif
108 int heightForWidth(int) const;
109
110 bool openExternalLinks() const;
111 void setOpenExternalLinks(bool open);
112
113 void setTextInteractionFlags(Qt::TextInteractionFlags flags);
114 Qt::TextInteractionFlags textInteractionFlags() const;
115
116 void setSelection(int, int);
117 bool hasSelectedText() const;
118 QString selectedText() const;
119 int selectionStart() const;
120
121public Q_SLOTS:
122 void setText(const QString &);
123 void setPixmap(const QPixmap &);
124#ifndef QT_NO_PICTURE
125 void setPicture(const QPicture &);
126#endif
127#ifndef QT_NO_MOVIE
128 void setMovie(QMovie *movie);
129#endif
130 void setNum(int);
131 void setNum(double);
132 void clear();
133
134Q_SIGNALS:
135 void linkActivated(const QString& link);
136 void linkHovered(const QString& link);
137
138protected:
139 bool event(QEvent *e);
140 void keyPressEvent(QKeyEvent *ev);
141 void paintEvent(QPaintEvent *);
142 void changeEvent(QEvent *);
143 void mousePressEvent(QMouseEvent *ev);
144 void mouseMoveEvent(QMouseEvent *ev);
145 void mouseReleaseEvent(QMouseEvent *ev);
146 void contextMenuEvent(QContextMenuEvent *ev);
147 void focusInEvent(QFocusEvent *ev);
148 void focusOutEvent(QFocusEvent *ev);
149 bool focusNextPrevChild(bool next);
150
151#ifdef QT3_SUPPORT
152public:
153 QT3_SUPPORT_CONSTRUCTOR QLabel(QWidget *parent, const char* name, Qt::WindowFlags f=0);
154 QT3_SUPPORT_CONSTRUCTOR QLabel(const QString &text, QWidget *parent, const char* name,
155 Qt::WindowFlags f=0);
156 QT3_SUPPORT_CONSTRUCTOR QLabel(QWidget *buddy, const QString &,
157 QWidget *parent=0, const char* name=0, Qt::WindowFlags f=0);
158 QT3_SUPPORT void setAlignment(int alignment);
159
160 // don't mark the next function with QT3_SUPPORT
161 inline void setAlignment(Qt::AlignmentFlag flag) { setAlignment((Qt::Alignment)flag); }
162#endif
163
164private:
165 Q_DISABLE_COPY(QLabel)
166 Q_DECLARE_PRIVATE(QLabel)
167#ifndef QT_NO_MOVIE
168 Q_PRIVATE_SLOT(d_func(), void _q_movieUpdated(const QRect&))
169 Q_PRIVATE_SLOT(d_func(), void _q_movieResized(const QSize&))
170#endif
171 Q_PRIVATE_SLOT(d_func(), void _q_linkHovered(const QString &))
172
173 friend class QTipLabel;
174 friend class QMessageBoxPrivate;
175 friend class QBalloonTip;
176};
177
178QT_END_NAMESPACE
179
180QT_END_HEADER
181
182#endif // QLABEL_H
183