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 ...

activeFocus in QML · 有activeFocus 的元件可以接收鍵盤事件 · 拿到activeFocus 的同時會拿到focus · 多個FocusScope 間，只會有一個activeFocus · 失去activeFocus 元件 ...

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

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 ...

The key event is delivered by the scene to the QML Item with active focus. If no Item has active focus, the key event is ignored and regular Qt key handling ...

2018年11月10日 — 當QML Item明確地放棄focus時（經由設定: 當處於active focus時將其focus屬性設置為false），系統不會自動選擇另一種類型來獲得focus。 也就是說，可能 ...

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.

2017年12月24日 — I use this line to see which item has active focus: Window onActiveFocusItemChanged: print(activeFocusItem, activeFocusItem) }.

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.