summaryrefslogtreecommitdiffstats
path: root/src/gui/widgets/qlabel.h
blob: b6d32e91d8700ca3053658d8b995f85bc195b753 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QLABEL_H
#define QLABEL_H

#include <QtGui/qframe.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QLabelPrivate;

class Q_GUI_EXPORT QLabel : public QFrame
{
    Q_OBJECT
    Q_PROPERTY(QString text READ text WRITE setText)
    Q_PROPERTY(Qt::TextFormat textFormat READ textFormat WRITE setTextFormat)
    Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap)
    Q_PROPERTY(bool scaledContents READ hasScaledContents WRITE setScaledContents)
    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
    Q_PROPERTY(bool wordWrap READ wordWrap WRITE setWordWrap)
    Q_PROPERTY(int margin READ margin WRITE setMargin)
    Q_PROPERTY(int indent READ indent WRITE setIndent)
    Q_PROPERTY(bool openExternalLinks READ openExternalLinks WRITE setOpenExternalLinks)
    Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags)
    Q_PROPERTY(bool hasSelectedText READ hasSelectedText)
    Q_PROPERTY(QString selectedText READ selectedText)

public:
    explicit QLabel(QWidget *parent=0, Qt::WindowFlags f=0);
    explicit QLabel(const QString &text, QWidget *parent=0, Qt::WindowFlags f=0);
    ~QLabel();

    QString text() const;
    const QPixmap *pixmap() const;
#ifndef QT_NO_PICTURE
    const QPicture *picture() const;
#endif
#ifndef QT_NO_MOVIE
    QMovie *movie() const;
#endif

    Qt::TextFormat textFormat() const;
    void setTextFormat(Qt::TextFormat);

    Qt::Alignment alignment() const;
    void setAlignment(Qt::Alignment);

    void setWordWrap(bool on);
    bool wordWrap() const;

    int indent() const;
    void setIndent(int);

    int margin() const;
    void setMargin(int);

    bool hasScaledContents() const;
    void setScaledContents(bool);
    QSize sizeHint() const;
    QSize minimumSizeHint() const;
#ifndef QT_NO_SHORTCUT
    void setBuddy(QWidget *);
    QWidget *buddy() const;
#endif
    int heightForWidth(int) const;

    bool openExternalLinks() const;
    void setOpenExternalLinks(bool open);

    void setTextInteractionFlags(Qt::TextInteractionFlags flags);
    Qt::TextInteractionFlags textInteractionFlags() const;

    void setSelection(int, int);
    bool hasSelectedText() const;
    QString selectedText() const;
    int selectionStart() const;

public Q_SLOTS:
    void setText(const QString &);
    void setPixmap(const QPixmap &);
#ifndef QT_NO_PICTURE
    void setPicture(const QPicture &);
#endif
#ifndef QT_NO_MOVIE
    void setMovie(QMovie *movie);
#endif
    void setNum(int);
    void setNum(double);
    void clear();

Q_SIGNALS:
    void linkActivated(const QString& link);
    void linkHovered(const QString& link);

protected:
    bool event(QEvent *e);
    void keyPressEvent(QKeyEvent *ev);
    void paintEvent(QPaintEvent *);
    void changeEvent(QEvent *);
    void mousePressEvent(QMouseEvent *ev);
    void mouseMoveEvent(QMouseEvent *ev);
    void mouseReleaseEvent(QMouseEvent *ev);
    void contextMenuEvent(QContextMenuEvent *ev);
    void focusInEvent(QFocusEvent *ev);
    void focusOutEvent(QFocusEvent *ev);
    bool focusNextPrevChild(bool next);

#ifdef QT3_SUPPORT
public:
    QT3_SUPPORT_CONSTRUCTOR QLabel(QWidget *parent, const char* name, Qt::WindowFlags f=0);
    QT3_SUPPORT_CONSTRUCTOR QLabel(const QString &text, QWidget *parent, const char* name,
           Qt::WindowFlags f=0);
    QT3_SUPPORT_CONSTRUCTOR QLabel(QWidget *buddy, const QString &,
           QWidget *parent=0, const char* name=0, Qt::WindowFlags f=0);
    QT3_SUPPORT void setAlignment(int alignment);

    // don't mark the next function with QT3_SUPPORT
    inline void setAlignment(Qt::AlignmentFlag flag) { setAlignment((Qt::Alignment)flag); }
#endif

private:
    Q_DISABLE_COPY(QLabel)
    Q_DECLARE_PRIVATE(QLabel)
#ifndef QT_NO_MOVIE
    Q_PRIVATE_SLOT(d_func(), void _q_movieUpdated(const QRect&))
    Q_PRIVATE_SLOT(d_func(), void _q_movieResized(const QSize&))
#endif
    Q_PRIVATE_SLOT(d_func(), void _q_linkHovered(const QString &))

    friend class QTipLabel;
    friend class QMessageBoxPrivate;
    friend class QBalloonTip;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QLABEL_H