qabstracttextdocumentlayout.cpp

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5QAbstractTextDocumentLayoutPrivate::~QAbstractTextDocumentLayoutPrivate()-
6{-
7}-
8-
9QTextObjectInterface::~QTextObjectInterface()-
10{-
11-
12}-
13QAbstractTextDocumentLayout::QAbstractTextDocumentLayout(QTextDocument *document)-
14 : QObject(*new QAbstractTextDocumentLayoutPrivate, document)-
15{-
16 QAbstractTextDocumentLayoutPrivate * const d = d_func();-
17 d->setDocument(document);-
18}-
19-
20-
21-
22-
23QAbstractTextDocumentLayout::QAbstractTextDocumentLayout(QAbstractTextDocumentLayoutPrivate &p, QTextDocument *document)-
24 :QObject(p, document)-
25{-
26 QAbstractTextDocumentLayoutPrivate * const d = d_func();-
27 d->setDocument(document);-
28}-
29-
30-
31-
32-
33QAbstractTextDocumentLayout::~QAbstractTextDocumentLayout()-
34{-
35}-
36void QAbstractTextDocumentLayout::registerHandler(int objectType, QObject *component)-
37{-
38 QAbstractTextDocumentLayoutPrivate * const d = d_func();-
39-
40 QTextObjectInterface *iface = qobject_cast<QTextObjectInterface *>(component);-
41 if (!iface)-
42 return;-
43-
44 connect(component, qFlagLocation("2""destroyed(QObject*)" "\0" __FILE__ ":" "432""438"), this, qFlagLocation("1""_q_handlerDestroyed(QObject*)" "\0" __FILE__ ":" "432""438"));-
45-
46 QTextObjectHandler h;-
47 h.iface = iface;-
48 h.component = component;-
49 d->handlers.insert(objectType, h);-
50}-
51-
52-
53-
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56-
57-
58void QAbstractTextDocumentLayout::unregisterHandler(int objectType, QObject *component)-
59{-
60 QAbstractTextDocumentLayoutPrivate * const d = d_func();-
61-
62 HandlerHash::iteratorconst auto it = d->handlers.findconstFind(objectType);-
63 if (it != d->handlers.endcend()
it != d->handlers.cend()Description
TRUEnever evaluated
FALSEnever evaluated
 && (!component
!componentDescription
TRUEnever evaluated
FALSEnever evaluated
 || component == it->component
component == it->componentDescription
TRUEnever evaluated
FALSEnever evaluated
)) {		0
64 if (component
componentDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
65 disconnect(component, qFlagLocation("2""destroyed(QObject*)" "\0" __FILE__ ":" "453""459"), this, qFlagLocation("1""_q_handlerDestroyed(QObject*)" "\0" __FILE__ ":" "453""459"));
never executed: disconnect(component, qFlagLocation("2""destroyed(QObject*)" "\0" __FILE__ ":" "459"), this, qFlagLocation("1""_q_handlerDestroyed(QObject*)" "\0" __FILE__ ":" "459"));
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66 d->handlers.erase(it);-
67 }
never executed: end of block
0
68}
never executed: end of block
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69-
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71-
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73QTextObjectInterface *QAbstractTextDocumentLayout::handlerForObject(int objectType) const-
74{-
75 const QAbstractTextDocumentLayoutPrivate * const d = d_func();-
76-
77 QTextObjectHandler handler = d->handlers.value(objectType);-
78 if (!handler.component)-
79 return 0;-
80-
81 return handler.iface;-
82}-
83void QAbstractTextDocumentLayout::resizeInlineObject(QTextInlineObject item, int posInDocument, const QTextFormat &format)-
84{-
85 QAbstractTextDocumentLayoutPrivate * const d = d_func();-
86-
87 QTextCharFormat f = format.toCharFormat();-
88 ((!(f.isValid())) ? qt_assert("f.isValid()",__FILE__,488494) : qt_noop());-
89 QTextObjectHandler handler = d->handlers.value(f.objectType());-
90 if (!handler.component)-
91 return;-
92-
93 QSizeF s = handler.iface->intrinsicSize(document(), posInDocument, format);-
94 item.setWidth(s.width());-
95 item.setAscent(s.height());-
96 item.setDescent(0);-
97}-
98void QAbstractTextDocumentLayout::positionInlineObject(QTextInlineObject item, int posInDocument, const QTextFormat &format)-
99{-
100 (void)item;;-
101 (void)posInDocument;;-
102 (void)format;;-
103}-
104void QAbstractTextDocumentLayout::drawInlineObject(QPainter *p, const QRectF &rect, QTextInlineObject item,-
105 int posInDocument, const QTextFormat &format)-
106{-
107 (void)item;;-
108 QAbstractTextDocumentLayoutPrivate * const d = d_func();-
109-
110 QTextCharFormat f = format.toCharFormat();-
111 ((!(f.isValid())) ? qt_assert("f.isValid()",__FILE__,539545) : qt_noop());-
112 QTextObjectHandler handler = d->handlers.value(f.objectType());-
113 if (!handler.component)-
114 return;-
115-
116 handler.iface->drawObject(p, rect, document(), posInDocument, format);-
117}-
118-
119void QAbstractTextDocumentLayoutPrivate::_q_handlerDestroyed(QObject *obj)-
120{-
121 HandlerHash::Iterator it = handlers.begin();-
122 while (it != handlers.end())-
123 if ((*it).component == obj)-
124 it = handlers.erase(it);-
125 else-
126 ++it;-
127}-
128-
129-
130-
131-
132-
133-
134int QAbstractTextDocumentLayout::formatIndex(int pos)-
135{-
136 QTextDocumentPrivate *pieceTable = qobject_cast<QTextDocument *>(parent())->docHandle();-
137 return pieceTable->find(pos).value()->format;-
138}-
139-
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141-
142-
143-
144-
145QTextCharFormat QAbstractTextDocumentLayout::format(int pos)-
146{-
147 QTextDocumentPrivate *pieceTable = qobject_cast<QTextDocument *>(parent())->docHandle();-
148 int idx = pieceTable->find(pos).value()->format;-
149 return pieceTable->formatCollection()->charFormat(idx);-
150}-
151-
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156-
157QTextDocument *QAbstractTextDocumentLayout::document() const-
158{-
159 const QAbstractTextDocumentLayoutPrivate * const d = d_func();-
160 return d->document;-
161}-
162-
163-
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165-
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167-
168-
169QString QAbstractTextDocumentLayout::anchorAt(const QPointF& pos) const-
170{-
171 int cursorPos = hitTest(pos, Qt::ExactHit);-
172 if (cursorPos == -1)-
173 return QString();-
174-
175-
176 QTextBlock block = document()->firstBlock();-
177 while (block.isValid()) {-
178 QRectF blockBr = blockBoundingRect(block);-
179 if (blockBr.contains(pos)) {-
180 QTextLayout *layout = block.layout();-
181 int relativeCursorPos = cursorPos - block.position();-
182 const int preeditLength = layout ? layout->preeditAreaText().length() : 0;-
183 if (preeditLength > 0 && relativeCursorPos > layout->preeditAreaPosition())-
184 cursorPos -= qMin(cursorPos - layout->preeditAreaPosition(), preeditLength);-
185 break;-
186 }-
187 block = block.next();-
188 }-
189-
190 QTextDocumentPrivate *pieceTable = qobject_cast<const QTextDocument *>(parent())->docHandle();-
191 QTextDocumentPrivate::FragmentIterator it = pieceTable->find(cursorPos);-
192 QTextCharFormat fmt = pieceTable->formatCollection()->charFormat(it->format);-
193 return fmt.anchorHref();-
194}-
195void QAbstractTextDocumentLayout::setPaintDevice(QPaintDevice *device)-
196{-
197 QAbstractTextDocumentLayoutPrivate * const d = d_func();-
198 d->paintDevice = device;-
199}-
200-
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206QPaintDevice *QAbstractTextDocumentLayout::paintDevice() const-
207{-
208 const QAbstractTextDocumentLayoutPrivate * const d = d_func();-
209 return d->paintDevice;-
210}-
211-
212-
213-
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