Qt::ItemFlags flags (constQModelIndex & index) Q_DECL_OVERRIDE; }; 同样,如果我们忘记常量名也会报错: 1 2 mymodel.h:15: error: `Qt::ItemFlags MyModel::flags(constQModelIndex&)` marked override, but does not override 还有另外一个宏 Q_DECL_FINAL 用来替换新的 final 属性,这个用来指定某个...
3protected: 4Qt::ItemFlags flags (constQModelIndex & index) Q_DECL_OVERRIDE; 5}; 同样,如果我们忘记常量名也会报错: 1mymodel.h:15: error: `Qt::ItemFlags MyModel::flags(constQModelIndex&)` 2marked override, but does not override 还有另外一个宏 Q_DECL_FINAL 用来替换新的 final 属性,这个...
mymodel . h : 15 : error : ` Qt :: ItemFlags MyModel :: flags ( const QModelIndex & ) ` marked override , but does not override 如果虚函数不能覆盖,Qt 也提供了另外一个宏,Q_DECL_FINAL,这个宏展开为final。 deleted 成员 当编译器支持 deleted 函数时,新增加...
Qt uses that macro already quite a lot in order to provide better compiler errors when the API is not used properly. Override and final Have you ever had code that did not work because you had a typo in the name of a virtual function you re-implemented? (Or forgot that damn const at...
Qt::ItemFlags flags (const QModelIndex & index) Q_DECL_OVERRIDE; };And because we forgot the const that will produce errors such as:mymodel.h:15: error: `Qt::ItemFlags MyModel::flags(const QModelIndex&)` marked override, but does not override There...
Qt5 中对 C++11 一些新特性的封装 - 开源中国社区
But I got errors /Downloads/PyQt4_gpl_win-4.12.3/QtCore/sipQtCoreQAbstractEventDispatcher.cpp:115:10: error: ‘void sipQAbstractEventDispatcher::registerTimer(int, int, QObject*)’ marked ‘override’, but does not override void registerTimer(int,int, ::QObject*...
Note that this function is marked as obsolete, but it is expected to be available for the lifetime of Qt 4. QFileDialog The QFileDialog class in Qt 4 has been totally rewritten. It provides most of the functionality of the old QFileDialog class, but with a different API. Some functionality...
On X11, this will cause the window to be marked as "demands attention", the window must not be hidden (i.e. not have hide() called on it, but be visible in some sort of way) in order for this to work. [static]QWidgetListQApplication::allWidgets() ...
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