Setmousetracking pyqt6 4 Dec 22, 2020 · 在QWidget中将窗口设置为setMouseTracking(true),即可实现鼠标自动跟踪。 在QMainWindow中不仅需要设置窗口setMouseTracking(true),还需要将窗口上的每一个控件都设为setMouseTracking(true),才能实现鼠标自动跟踪。 将下图中所有控件的MouseTracking属性都设置为true。 Aug 18, 2020 · bool mouseTracking 这个属性保存的是窗口部件跟踪鼠标是否生效。 如果鼠标跟踪失效(默认),当鼠标被移动的时候只有在至少一个鼠标按键被按下时,这个窗口部件才会接收鼠标移动事件。 如果鼠标跟踪生效,如果没有按键被按下,这个窗口部件也会接收鼠标移动事件。 也可以参考mouseM setMouseTracking(bool): 设置鼠标是否跟踪; 所谓的鼠标跟踪,就是设置检测鼠标移动事件的条件; 不跟踪:鼠标移动时,必须处于按下的状态,才会触发mouseMoveEvent事件; 跟踪:鼠标移动时,不处于按下状态,也会触发mouseMoveEvent事件 Python QWidget. setCentralWidget(s Aug 14, 2015 · centralWidget()->setAttribute(Qt::WA_TransparentForMouseEvents); setMouseTracking(true); in the constructor of your mainwindow, you'll see the mouse events but you cannot press the button because this central widget do not receive any mouse event at all. Nov 28, 2022 · 项目遇到一个将光标在scene的坐标显示到label,然后label加到scene中。如图已经重写了mouseMoveEvent事件,debug的时候也可以将位置信息xy打印出来,但调试的时候就是看不到显示坐标的标签,myview的构造函数里面也加上了setMouseTracking(true);搞不懂,后面发现把设置text等语句加到myview的构造函数里面就可以 Mouse move events will occur only when a mouse button is pressed down, unless mouse tracking has been enabled with QWidget::setMouseTracking(). setMouseTracking(True). PyQt6快速入门基础教程. QtWidgets. These are the top rated real world Python examples of PyQt5. [virtual protected] void QWidget:: mousePressEvent (QMouseEvent *event) This event handler, for event event, can be reimplemented in a subclass to receive mouse press events for the widget. In your case it works because the label occupies almost all the window and is set as a central widget, but if there are other objects (and this is the case since they're using a designer file which sets a generic QWidget as central widget), it wouldn't work. HOWEVER, when I uncomment grid. ysqbb fqhp zggdpy fkifb jzfwi qxaibcw ray qros skd imz sqynsy whxcj jljaf afxtogf ejdgk