本例设置为垂直左侧scroll
我项目的效果图:
代码及注释
from PyQt5.Qt import * from sys import argv # 主窗口 class Main(QMainWindow): def __init__(self): super().__init__(None) self.setGeometry(500, 500, 500, 500) # 实例化 self.main = MainFrame(self) self.scroll = ScrollFrame(self, self.main, 40) self.show() def resizeEvent(self, e): # resize改变scroll窗口的高度使其与自己相同 self.scroll.resize(self.scroll.width(), self.height()) #需要配备scroll的窗口 class MainFrame(QFrame): def __init__(self, father): super().__init__(father) self.father = father self.setGeometry(50, 50, 100, 1500) # 测试按钮 for i in range(15): b = QPushButton(str(i), self) b.setGeometry(0, i*100, 100, 100) # 自定义滚轮事件 def wheelEvent(self, e): if e.angleDelta().y() > 0: self.move(self.x(), self.y() + 60) else: self.move(self.x(), self.y() - 60) # 改变scroll的值 self.father.scroll.bar.setValue(abs(self.y())) def resizeEvent(self, e): # resize改变mid_frame的高度使其与自己相同 self.father.scroll.mid_frame.setGeometry(0, 0, 0, self.height()) # 承载scrollarea的窗口 class ScrollFrame(QFrame): def __init__(self, father, parent, pos_x): super().__init__(father) self.parent_, self.father, self.pox_x = parent, father, pos_x self.mid_frame = MidFrame(self) self.mid_frame.setGeometry(0, 0, 0, self.parent_.height()) self.scroll = QScrollArea() # 实例化verticalbar以供改变scroll的值 self.bar = self.scroll.verticalScrollBar() # 绑定中间窗口 self.scroll.setWidget(self.mid_frame) # 自动隐藏和出现 self.scroll.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded) # 加入到承载frame layout = QGridLayout(self) layout.addWidget(self.scroll, 0, 0) self.setLayout(layout) # 设置承载fram的size和scrollarea一样 self.setGeometry(pos_x, 0, 20, self.father.height()) def resizeEvent(self, e): # resize改变scroll的s高度使其与自己一样 self.scroll.setGeometry(0, 0, 20, self.height()) # 接受scroll事件的中间窗口 class MidFrame(QFrame): def __init__(self, father): super().__init__(father) self.father = father def moveEvent(self, e): # move事件绑定实际滚动窗口的move self.father.parent_.move(self.father.parent_.x(), e.pos().y()) app = QApplication(argv) main = Main() app.exec_()
本例效果:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。