使用QShortcut时如何更改按钮的动画?

2024-03-28 17:00:20 发布

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以前,我习惯于使用button.clicked.connect(function)触发按钮,并通过setStyleSheet()设置qss(例如: QPushButton:pressed{background:#EAEAEA;})。当点击鼠标按下按钮时,按钮将改变背景颜色,并按预期工作。但是,目前我使用QShortcut来触发按钮(例如:QtCore.Qt.Key_Return),但是按钮似乎不受qss的影响。你知道吗

我使用的代码:

from PyQt5 import QtCore, QtGui, QtWidgets


class Ui_Form(object):
    def setupUi(self, Form):
        Form.setObjectName("Form")
        Form.resize(400, 300)
        Form.setStyleSheet(""
                        "#Form {\n"
                        "background-color: rgb(255, 255, 255);\n"
                        "}\n"
                        "QPushButton:hover {\n"
                        "color: white;\n"
                        "background-color: rgb(255, 85, 127);\n"
                        "border-radius: 6px;\n"
                        "font-size:16px;\n"
                        "}\n"
                        "\n"
                        " QPushButton:pressed{\n"
                        "background:#EAEAEA;\n"
                        "color: black;\n"
                        "font-size:16px;\n"
                        "}")
        self.frame = QtWidgets.QFrame(Form)
        self.frame.setGeometry(QtCore.QRect(20, 20, 351, 241))
        self.frame.setFrameShape(QtWidgets.QFrame.StyledPanel)
        self.frame.setFrameShadow(QtWidgets.QFrame.Raised)
        self.frame.setObjectName("frame")
        self.pushButton = QtWidgets.QPushButton(self.frame)
        self.pushButton.setGeometry(QtCore.QRect(130, 100, 93, 28))
        self.pushButton.setObjectName("pushButton")

        # old (be affected by qss (QPushButton:pressed) when clicking mouse)
        # self.pushButton.clicked.connect(self.send_message)

        # new (not to be affected by qss (QPushButton:pressed) when using Enter key)
        send_message_shortcut = QtWidgets.QShortcut(QtGui.QKeySequence(QtCore.Qt.Key_Return), Form)
        send_message_shortcut.activated.connect(self.send_message)

        self.retranslateUi(Form)
        QtCore.QMetaObject.connectSlotsByName(Form)

    def retranslateUi(self, Form):
        _translate = QtCore.QCoreApplication.translate
        Form.setWindowTitle(_translate("Form", "Form"))
        self.pushButton.setText(_translate("Form", "PushButton"))

    def send_message(self):
        # do something here
        print("send message")


if __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    Form = QtWidgets.QWidget()
    ui = Ui_Form()
    ui.setupUi(Form)
    Form.show()
    sys.exit(app.exec_())

Tags: selfformsendmessage按钮frametranslatecolor
1条回答
网友
1楼 · 发布于 2024-03-28 17:00:20

您没有看到“动画”,因为根本没有按下按钮,但您可以使用^{}触发它:

send_message_shortcut.activated.connect(self.pushButton.animateClick)

这将设置按下的按钮(如setDown(True)),然后在默认的100ms间隔后将其恢复,并分别发送releasedclicked信号。如果需要不同的时间间隔,请使用lambda(或使用自己的方法)并将参数设置为ms

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