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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 
72 QT_BEGIN_NAMESPACE
73 
74 class Q_AUTOTEST_EXPORT QLabelPrivate : public QFramePrivate
75 {
76     Q_DECLARE_PUBLIC(QLabel)
77 public:
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
needTextControl()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 
161 QT_END_NAMESPACE
162 
163 #endif // QLABEL_P_H
164