PySide6 GUI 编程（13）：QSlider的使用

from PySide6.QtCore import Qt
from PySide6.QtWidgets import QApplication, QLayout, QMainWindow, QSlider, QVBoxLayout, QWidget


def slider_mouse_changed(value: int):
    print('slider text changed:', value)


def slider_value_changed(value: int):
    print('slider value int changed:', value)


class MySlider(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle('Slider App')

        # 默认垂直
        self.my_slider = QSlider()
        # self.my_slider = QSlider(Qt.Orientation.Vertical)
        self.my_slider.setMaximum(100)
        self.my_slider.setMinimum(0)
        self.my_slider.setSingleStep(1)
        self.my_slider.valueChanged.connect(slider_value_changed)
        self.my_slider.sliderMoved.connect(slider_mouse_changed)
        self.my_slider.sliderPressed.connect(self.slider_pressed)
        self.my_slider.sliderReleased.connect(self.slider_released)

        self.my_slider_h = QSlider(Qt.Orientation.Horizontal)
        self.my_slider_h.setMinimum(0)
        self.my_slider_h.setSingleStep(1)
        self.my_slider_h.valueChanged.connect(slider_value_changed)
        self.my_slider_h.sliderMoved.connect(slider_mouse_changed)
        self.my_slider_h.sliderPressed.connect(self.slider_pressed_h)
        self.my_slider_h.sliderReleased.connect(self.slider_released_h)

        layout = QVBoxLayout()
        layout.addWidget(self.my_slider)
        layout.addWidget(self.my_slider_h)

        container = QWidget()
        container.setLayout(layout)
        self.setCentralWidget(container)

    def slider_pressed(self):
        print('slider pressed:', self.my_slider.sliderPosition())

    def slider_released(self):
        print('slider released:', self.my_slider.sliderPosition())

    def slider_pressed_h(self):
        print('slider h pressed:', self.my_slider_h.sliderPosition())

    def slider_released_h(self):
        print('slider h released:', self.my_slider_h.sliderPosition())


if __name__ == '__main__':
    app = QApplication()
    ins = MySlider()
    ins.show()
    app.exec()