目录

效果图

示例代码

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效果图

示例代码

from PyQt5.QtWidgets import QApplication, QMainWindow, QAction, QToolBar, QToolButton

class HighlightingToolButton(QToolButton):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setCheckable(True)

    def nextCheckState(self):
        pass

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()

        self.setWindowTitle("Highlighting ToolButton Example")
        self.resize(400, 300)

        # 创建工具按钮并添加到工具栏
        self.toolButton1 = self.add_tool_button("Action 1", self.on_action_triggered)
        self.toolButton2 = self.add_tool_button("Action 2", self.on_action_triggered)
        self.toolButton3 = self.add_tool_button("Action 3", self.on_action_triggered)

        # 创建工具栏并添加工具按钮
        toolbar = QToolBar("MyToolBar")
        self.addToolBar(toolbar)
        toolbar.addWidget(self.toolButton1)
        toolbar.addWidget(self.toolButton2)
        toolbar.addWidget(self.toolButton3)

        # 设置样式表，使得在鼠标悬停或点击时高亮
        self.setStyleSheet("QToolButton:checked { background-color: yellow; }")

    def add_tool_button(self, text, triggered):
        action = QAction(text, self)
        action.triggered.connect(triggered)
        toolButton = HighlightingToolButton()
        toolButton.setDefaultAction(action)
        toolButton.clicked.connect(self.on_tool_button_clicked)
        return toolButton

    def on_tool_button_clicked(self):
        button = self.sender()
        if button.isChecked():
            for widget in self.findChildren(HighlightingToolButton):
                if widget is not button:
                    widget.setChecked(False)

    def on_action_triggered(self):
        print("ToolButton triggered!")

if __name__ == "__main__":
    app = QApplication([])
    window = MainWindow()
    window.show()
    app.exec_()