pyqt-todolist/test/QQSettingPanel.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on 2018年3月28日
@author: Irony
@site: https://pyqt.site , https://github.com/PyQt5
@email: 892768447@qq.com
@file: QQSettingPanel
@description:
"""
try:
from PyQt5.QtWidgets import QApplication, QWidget
except ImportError:
from PySide2.QtWidgets import QApplication, QWidget
from Lib.SettingUi import Ui_Setting # @UnresolvedImport
class Window(QWidget, Ui_Setting):
def __init__(self, *args, **kwargs):
super(Window, self).__init__(*args, **kwargs)
self.setupUi(self)
self.resize(700, 435)
self._blockSignals = False
# 绑定滚动条和左侧item事件
self.scrollArea.verticalScrollBar().valueChanged.connect(
self.onValueChanged)
self.listWidget.itemClicked.connect(self.onItemClicked)
def onValueChanged(self, value):
"""滚动条"""
if self._blockSignals:
# 防止item点击时改变滚动条会触发这里
return
for i in range(8): # 因为这里右侧有8个widget
widget = getattr(self, 'widget_%d' % i, None)
# widget不为空且在可视范围内
if widget and not widget.visibleRegion().isEmpty():
self.listWidget.setCurrentRow(i) # 设置item的选中
return
def onItemClicked(self, item):
"""左侧item"""
row = self.listWidget.row(item) # 获取点击的item的索引
# 由于右侧的widget是按照命名widget_0 widget_1这样比较规范的方法,可以通过getattr找到
widget = getattr(self, 'widget_%d' % row, None)
if not widget:
return
# 定位右侧位置并滚动
self._blockSignals = True
self.scrollArea.verticalScrollBar().setSliderPosition(widget.pos().y())
self._blockSignals = False
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
app.setStyleSheet(open('Data/style.qss', 'rb').read().decode('utf-8'))
w = Window()
w.show()
sys.exit(app.exec_())