2018-09-25 23:20:03 +08:00
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2018年3月21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: Splitter
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@description:
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"""
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import sys
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from PyQt5.QtCore import Qt, QPointF, pyqtSignal
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from PyQt5.QtGui import QPainter, QPolygonF
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from PyQt5.QtWidgets import QTextEdit, QListWidget,\
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QTreeWidget, QSplitter, QApplication, QMainWindow, QSplitterHandle
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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 SplitterHandle(QSplitterHandle):
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clicked = pyqtSignal()
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def __init__(self, *args, **kwargs):
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super(SplitterHandle, self).__init__(*args, **kwargs)
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# 如果不设置这个，则鼠标只能在按下后移动才能响应mouseMoveEvent
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self.setMouseTracking(True)
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def mousePressEvent(self, event):
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super(SplitterHandle, self).mousePressEvent(event)
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if event.pos().y() <= 24:
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# 发送点击信号
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self.clicked.emit()
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def mouseMoveEvent(self, event):
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"""鼠标移动事件"""
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# 当y坐标小于24时,也就是顶部的矩形框高度
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if event.pos().y() <= 24:
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# 取消鼠标样式
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self.unsetCursor()
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event.accept()
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else:
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# 设置默认的鼠标样式并可以移动
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self.setCursor(Qt.SplitHCursor if self.orientation()
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== Qt.Horizontal else Qt.SplitVCursor)
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super(SplitterHandle, self).mouseMoveEvent(event)
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def paintEvent(self, event):
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# 绘制默认的样式
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super(SplitterHandle, self).paintEvent(event)
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# 绘制顶部扩展按钮
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painter = QPainter(self)
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painter.setRenderHint(QPainter.Antialiasing, True)
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painter.setPen(Qt.red)
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# 画矩形
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painter.drawRect(0, 0, self.width(), 24)
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# 画三角形
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painter.setBrush(Qt.red)
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painter.drawPolygon(QPolygonF([
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QPointF(0, (24 - 8) / 2),
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QPointF(self.width() - 2, 24 / 2),
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QPointF(0, (24 + 8) / 2)
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]))
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class Splitter(QSplitter):
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def onClicked(self):
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print('clicked')
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def createHandle(self):
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if self.count() == 1:
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# 这里表示第一个分割条
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handle = SplitterHandle(self.orientation(), self)
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handle.clicked.connect(self.onClicked)
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return handle
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return super(Splitter, self).createHandle()
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class SplitterWindow(QMainWindow):
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def __init__(self, parent=None):
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super(SplitterWindow, self).__init__(parent)
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self.resize(400, 400)
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self.setWindowTitle('PyQt Qsplitter')
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textedit = QTextEdit('QTextEdit', self)
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listwidget = QListWidget(self)
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listwidget.addItem("This is a \nListWidget!")
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treewidget = QTreeWidget()
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treewidget.setHeaderLabels(['This', 'is', 'a', 'TreeWidgets!'])
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splitter = Splitter(self)
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splitter.setHandleWidth(8)
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splitter.addWidget(textedit)
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splitter.addWidget(listwidget)
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splitter.addWidget(treewidget)
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# Qt.Vertical 垂直 Qt.Horizontal 水平
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splitter.setOrientation(Qt.Horizontal)
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self.setCentralWidget(splitter)
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if __name__ == '__main__':
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app = QApplication(sys.argv)
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main = SplitterWindow()
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main.show()
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sys.exit(app.exec_())
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