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* fix assert with 4.2.x when setting a null item delegate on an item view.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23414 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Stefan Schimanski 2008-03-03 15:10:48 +00:00
parent 45520d7ced
commit 7406991fd4
1 changed files with 14 additions and 2 deletions
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16
src/frontends/qt4/GuiCompleter.cpp
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@ -46,16 +46,27 @@ public:
explicit RtlItemDelegate(QObject * parent = 0)
: QItemDelegate(parent) {}
void setEnabled(bool enabled = true)
{
enabled_ = enabled;
}
protected:
virtual void drawDisplay(QPainter * painter,
QStyleOptionViewItem const & option,
QRect const & rect, QString const & text) const
{
if (!enabled_)
return QItemDelegate::drawDisplay(painter, option, rect, text);
// FIXME: do this more elegantly
docstring stltext = qstring_to_ucs4(text);
reverse(stltext.begin(), stltext.end());
QItemDelegate::drawDisplay(painter, option, rect, toqstr(stltext));
}
private:
bool enabled_;
};
@ -179,7 +190,8 @@ GuiCompleter::GuiCompleter(GuiWorkArea * gui, QObject * parent)
setPopup(listView);
popup()->setItemDelegateForColumn(1, new PixmapItemDelegate(this));
rtlItemDelegate_ = new RtlItemDelegate(this);
popup()->setItemDelegateForColumn(0, rtlItemDelegate_);
// create timeout timers
popup_timer_.setSingleShot(true);
inline_timer_.setSingleShot(true);
@ -437,7 +449,7 @@ void GuiCompleter::updateModel(Cursor & cur, bool popupUpdate, bool inlineUpdate
// turn the direction of the strings in the popup.
// Qt does not do that itself.
popup()->setItemDelegateForColumn(0, rtl ? rtlItemDelegate_ : 0);
rtlItemDelegate_->setEnabled(rtl);
// set new model
Inset::CompletionList const * list = cur.inset().createCompletionList(cur);