qt parent widget
Hi. I would like to know how a child widget can send some signal to its parent widget? Thanks. , If you know the parent's class, you will have to cast parentWidget() to that class and then call your slot. Keep in mind whether or not it's a slot ..., Hello, I would like to call a member function of my mainFrame class from my other Plot class. To do so, I need a pointer to mainFrame class ...,The destructor of a parent object destroys all child objects. Setting parent to 0 constructs an object with no parent. If the object is a widget, it will become a ... , The parent of a QWidget is assigned either during construction (not your case) or when it is added to the objects tree of another widget. You'll ...,A widget without a parent widget is always an independent window (top-level widget). For these widgets, setWindowTitle() and setWindowIcon() set the title bar ... ,With widgets, these parent-child relationships have an additional meaning: each child widget is displayed within the screen area occupied by its parent widget. ,With widgets, these parent-child relationships have an additional meaning: each child widget is displayed within the screen area occupied by its parent widget. ,This may sounds stupid, but ca n somebody explain me what is a child widget? I created two custom widgets classes in the goal of them being ... , 原文********/最近很多学习Qt的小伙伴在我的微信公众号私信我，该如何理解下面段代码的第二行QWidget(parent)1 Widget::Widget(QWidget ...
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 qt parent widget 相關參考資料
Child and parent widget communication. | Qt Forum
Hi. I would like to know how a child widget can send some signal to its parent widget? Thanks. https://forum.qt.io How to access to parent widget on qt? - Stack Overflow
If you know the parent's class, you will have to cast parentWidget() to that class and then call your slot. Keep in mind whether or not it's a slot ... https://stackoverflow.com how to get the pointer to parent widgetobject? - Qt Centre Forum
Hello, I would like to call a member function of my mainFrame class from my other Plot class. To do so, I need a pointer to mainFrame class ... https://www.qtcentre.org QObject Class | Qt Core 5.12.3 - Qt Documentation
The destructor of a parent object destroys all child objects. Setting parent to 0 constructs an object with no parent. If the object is a widget, it will become a ... https://doc.qt.io Qt - Cannot get parent widget - Stack Overflow
The parent of a QWidget is assigned either during construction (not your case) or when it is added to the objects tree of another widget. You'll ... https://stackoverflow.com QWidget Class | Qt Widgets 5.12.3 - Qt Documentation
A widget without a parent widget is always an independent window (top-level widget). For these widgets, setWindowTitle() and setWindowIcon() set the title bar ... https://doc.qt.io Widgets Tutorial | Qt Widgets 5.12 - Qt Documentation
With widgets, these parent-child relationships have an additional meaning: each child widget is displayed within the screen area occupied by its parent widget. http://doc.qt.io Widgets Tutorial | Qt Widgets 5.12.3 - Qt Documentation
With widgets, these parent-child relationships have an additional meaning: each child widget is displayed within the screen area occupied by its parent widget. https://doc.qt.io [SOLVED] What is exactly a parent widget? | Qt Forum
This may sounds stupid, but ca n somebody explain me what is a child widget? I created two custom widgets classes in the goal of them being ... https://forum.qt.io 正确理解Widget::Widget(QWidget *parent) :QWidget(parent)这句话- 知乎
原文********/最近很多学习Qt的小伙伴在我的微信公众号私信我，该如何理解下面段代码的第二行QWidget(parent)1 Widget::Widget(QWidget ... https://zhuanlan.zhihu.com |