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39
40#ifndef QLABEL_P_H
41#define QLABEL_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtWidgets/private/qtwidgetsglobal_p.h>
55#include "qlabel.h"
56
57#include "private/qtextdocumentlayout_p.h"
58#include "private/qwidgettextcontrol_p.h"
59#include "qtextdocumentfragment.h"
60#include "qframe_p.h"
61#include "qtextdocument.h"
62#if QT_CONFIG(movie)
63#include "qmovie.h"
64#endif
65#include "qimage.h"
66#include "qbitmap.h"
67#include "qpicture.h"
68#if QT_CONFIG(menu)
69#include "qmenu.h"
70#endif
71
72QT_BEGIN_NAMESPACE
73
74class Q_AUTOTEST_EXPORT QLabelPrivate : public QFramePrivate
75{
76 Q_DECLARE_PUBLIC(QLabel)
77public:
78 QLabelPrivate();
79 ~QLabelPrivate();
80
81 void init();
82 void clearContents();
83 void updateLabel();
84 QSize sizeForWidth(int w) const;
85
86#if QT_CONFIG(movie)
87 void _q_movieUpdated(const QRect&);
88 void _q_movieResized(const QSize&);
89#endif
90#ifndef QT_NO_SHORTCUT
91 void updateShortcut();
92 void _q_buddyDeleted();
93#endif
94 inline bool needTextControl() const {
95 Q_Q(const QLabel);
96 return isTextLabel
97 && (effectiveTextFormat != Qt::PlainText
98 || (textInteractionFlags & (Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard))
99 || q->focusPolicy() != Qt::NoFocus);
100 }
101
102 void ensureTextPopulated() const;
103 void ensureTextLayouted() const;
104 void ensureTextControl() const;
105 void sendControlEvent(QEvent *e);
106
107 void _q_linkHovered(const QString &link);
108
109 QRectF layoutRect() const;
110 QRect documentRect() const;
111 QPoint layoutPoint(const QPoint& p) const;
112 Qt::LayoutDirection textDirection() const;
113#ifndef QT_NO_CONTEXTMENU
114 QMenu *createStandardContextMenu(const QPoint &pos);
115#endif
116
117 mutable QSize sh;
118 mutable QSize msh;
119 QString text;
120 QPixmap *pixmap;
121 QPixmap *scaledpixmap;
122 QImage *cachedimage;
123#ifndef QT_NO_PICTURE
124 QPicture *picture;
125#endif
126#if QT_CONFIG(movie)
127 QPointer<QMovie> movie;
128#endif
129 mutable QWidgetTextControl *control;
130 mutable QTextCursor shortcutCursor;
131#ifndef QT_NO_CURSOR
132 QCursor cursor;
133#endif
134#ifndef QT_NO_SHORTCUT
135 QPointer<QWidget> buddy;
136 int shortcutId;
137#endif
138 Qt::TextFormat textformat;
139 Qt::TextFormat effectiveTextFormat;
140 Qt::TextInteractionFlags textInteractionFlags;
141 mutable QSizePolicy sizePolicy;
142 int margin;
143 ushort align;
144 short indent;
145 mutable uint valid_hints : 1;
146 uint scaledcontents : 1;
147 mutable uint textLayoutDirty : 1;
148 mutable uint textDirty : 1;
149 mutable uint isTextLabel : 1;
150 mutable uint hasShortcut : 1;
151#ifndef QT_NO_CURSOR
152 uint validCursor : 1;
153 uint onAnchor : 1;
154#endif
155 uint openExternalLinks : 1;
156 // <-- space for more bit field values here
157
158 friend class QMessageBoxPrivate;
159};
160
161QT_END_NAMESPACE
162
163#endif // QLABEL_P_H
164

source code of qtbase/src/widgets/widgets/qlabel_p.h