85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2018年11月5日
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@author: Irony
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@site: https://pyqt5.com https://github.com/892768447
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@email: 892768447@qq.com
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@file: Widgets.JumpSlider
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@description:
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"""
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from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import QSlider, QStyleOptionSlider, QStyle, QWidget,\
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QFormLayout, QLabel
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__Author__ = """By: Irony
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QQ: 892768447
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Email: 892768447@qq.com"""
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__Copyright__ = "Copyright (c) 2018 Irony"
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__Version__ = "Version 1.0"
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class JumpSlider(QSlider):
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def mousePressEvent(self, event):
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# 获取上面的拉动块位置
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option = QStyleOptionSlider()
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self.initStyleOption(option)
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rect = self.style().subControlRect(
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QStyle.CC_Slider, option, QStyle.SC_SliderHandle, self)
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if rect.contains(event.pos()):
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# 如果鼠标点击的位置在滑块上则交给Qt自行处理
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super(JumpSlider, self).mousePressEvent(event)
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return
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if self.orientation() == Qt.Horizontal:
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# 横向，要考虑invertedAppearance是否反向显示的问题
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self.setValue(self.style().sliderValueFromPosition(
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self.minimum(), self.maximum(),
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event.x() if not self.invertedAppearance() else (self.width(
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) - event.x()), self.width()))
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else:
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# 纵向
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self.setValue(self.style().sliderValueFromPosition(
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self.minimum(), self.maximum(),
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(self.height() - event.y()) if not self.invertedAppearance(
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) else event.y(), self.height()))
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class TestWindow(QWidget):
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def __init__(self, *args, **kwargs):
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super(TestWindow, self).__init__(*args, **kwargs)
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layout = QFormLayout(self)
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self.label1 = QLabel('0', self)
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layout.addRow(self.label1, JumpSlider(
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Qt.Horizontal, valueChanged=lambda v: self.label1.setText(str(v))))
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# 横向-反向显示
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self.label2 = QLabel('0', self)
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layout.addRow(self.label2, JumpSlider(
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Qt.Horizontal, invertedAppearance=True,
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valueChanged=lambda v: self.label2.setText(str(v))))
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self.label3 = QLabel('0', self)
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layout.addRow(self.label3, JumpSlider(
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Qt.Vertical, minimumHeight=200, valueChanged=lambda v: self.label3.setText(str(v))))
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# 纵向反向显示
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self.label4 = QLabel('0', self)
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layout.addRow(self.label4, JumpSlider(
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Qt.Vertical, invertedAppearance=True,
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minimumHeight=200, valueChanged=lambda v: self.label4.setText(str(v))))
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if __name__ == '__main__':
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import sys
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import cgitb
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sys.excepthook = cgitb.enable(1, None, 5, '')
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from PyQt5.QtWidgets import QApplication
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app = QApplication(sys.argv)
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w = TestWindow()
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w.show()
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sys.exit(app.exec_())
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