如何在 QGraphicsView 上锚定 QGraphicsWidget/Item(使它们静态) [英] How to anchor QGraphicsWidget/Item (make them static) on QGraphicsView

问题描述

我想做一个类似 hud 的东西.我有一个带有巨大 QPixmap 的 QGraphicsScene，我将它添加到一个小得多的 QGraphicsView.现在我需要添加一些控制元素，例如 QLabel、QPushButton 和 QGraphicsEllipseItem.那，我认为，不是问题.我发现这个有用的页面 Graphics View Classes.但是我如何将这个控制元素锚定到 View 或者更好地说我如何不锚定它们?当我拖动 QPixmap 时，我不希望 hud 与 QPixmap 一起移动到 QGraphicsView 之外.我需要做什么，才能解决这个问题.希望可以有人帮帮我.

I want to make something like a hud. I have a QGraphicsScene with a huge QPixmap, that I added to a much smaller QGraphicsView. Now I need to add some control elements, like QLabel, QPushButton and QGraphicsEllipseItem. That's, I think, is not a problem. I found this helpful page Graphics View Classes. But how do I anchor this control elements to the View or maybe better said how do I not anchor them? When I drag the QPixmap, then I don't want that the hud is moving with the QPixmap out of the QGraphicsView. What do I need to do, to solve this problem. Hope someone can help me.

推荐答案

您应该只需要创建小部件并在构造函数中指定 QGraphicsView ，如下所示:

You should just have to create your widgets and specify the QGraphicsView in the constructor like this:

QPushButton *button1 = new QPushButton(view);

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