Details
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Bug
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Resolution: Done
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Not Evaluated
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4.8.1
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None
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This has been reproduced on ubuntu linux 11.10 with gcc 4.6.1 using
qt-everywhere-opensource-src-4.8.1.zip compiled with ./configure --debug
and the Qt 4.8.0 SDK
and Windows 7 with mingw 4.6.1 using the QT 4.8.0 SDK
Description
A short example .qml file that triggers the bug when clicked is attached, it was run in a default Qt Quick UI project and also appears to crash in the QML viewer. There are 2 commented out lines, each of which prevents the bug from occuring if uncommented.
Steps to reproduce:
Set the textEdit with html formatted text.
Call selectAll()
Set the textEdit text to an empty string.
Set the textEdit text with html formatted text - this line will crash, as preeditAreaText() has been called on a null textlayout.
This doesn't occur if the textEdit is explicitly set to Text.RichText, or explicitly set to Text.PlainText.
Stack trace:
0 QTextLayout::preeditAreaText qtextlayout.cpp 487 0x9be081 1 QDeclarativeTextEditPrivate::determineHorizontalAlignment qdeclarativetextedit.cpp 551 0x28ed7d 2 QDeclarativeTextEdit::moveCursorDelegate qdeclarativetextedit.cpp 1592 0x291e63 3 QDeclarativeTextEdit::qt_static_metacall moc_qdeclarativetextedit_p.cpp 361 0x3f1fbf 4 QMetaObject::activate qobject.cpp 3547 0x1422d45 5 QTextControl::microFocusChanged moc_qtextcontrol_p.cpp 329 0x9abdbb 6 QTextControlPrivate::updateCurrentCharFormat qtextcontrol.cpp 310 0x99dc64 7 QTextControlPrivate::_q_updateCurrentCharFormatAndSelection qtextcontrol.cpp 603 0x99f0cf 8 QTextControl::qt_static_metacall moc_qtextcontrol_p.cpp 163 0x9ab645 9 QMetaObject::activate qobject.cpp 3547 0x1422d45 10 QTextDocument::contentsChanged moc_qtextdocument.cpp 208 0xefa14f 11 QTextDocumentPrivate::contentsChanged qtextdocument_p.cpp 1654 0x9f284a 12 QTextDocumentPrivate::finishEdit qtextdocument_p.cpp 1246 0x9f0f1a 13 QTextDocumentPrivate::endEditBlock qtextdocument_p.cpp 1201 0x9f0bfc 14 QTextDocument::setHtml qtextdocument.cpp 1225 0x9dae86 15 QTextControlPrivate::setContent qtextcontrol.cpp 478 0x99e818 16 QTextControl::setHtml qtextcontrol.cpp 1163 0x9a1674 17 QDeclarativeTextEdit::setText qdeclarativetextedit.cpp 257 0x28e237 18 QDeclarativeTextEdit::qt_metacall moc_qdeclarativetextedit_p.cpp 450 0x3f25c7 19 QMetaObject::metacall qmetaobject.cpp 245 0x140ee94 20 QDeclarativeVMEMetaObject::metaCall qdeclarativevmemetaobject.cpp 623 0x2bd6a4
This also occured in version 4.8.0