QMLfocus

2021年11月30日 — 基本上，qml中的基本元素是“item”。 item有两个属性，焦点和活动焦点。 activeFocus是只读的，当将焦点设置为一个项目或不设置焦点时，可以使用focus属性。

Focus. Introduction. Focus 在程式中有很多用途，例如接收鍵盤事件、標示使用者最後操作的元件、開關視窗......等等。 Focus usage. 上圖列出了幾個跟Focus 有關的事情 ...

To solve this problem, QML introduces a concept known as a focus scope. For existing Qt users, a focus scope is like an automatic focus proxy. A focus scope is ...

Qt Quick Controls follows the standard Qt Quick focus system, while also providing some added convenience. For example, the focusPolicy property can be used ...

2018年11月10日 — 為了解決這個問題，QML引入了一個被稱為焦點範圍(focus scope)的概念。 對於現有的Qt使用者，一個focus scope就像自動焦點代理(automatic focus proxy)。

2018年1月29日 — An important thing to know is that within a FocusScope , only one item at a time can have focus. The application window behaves like a ...

2017年4月19日 — The use of forceActiveFocus() traverses the focus tree, and sets focus to true for each node on the way, so the Item has activeFocus at the end.

2022年6月7日 — This method sets focus on the item and ensures that all ancestor FocusScope objects in the object hierarchy are also given focus.

2023年7月14日 — The QML engine assigns focus to the first item that requested for focus, which consequently causes focus on all other items to become false, ...