117 lines
3.4 KiB
Python
117 lines
3.4 KiB
Python
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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2月1日
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@author: Irony."[讽刺]
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@site: http://alyl.vip, http://orzorz.vip, https://coding.net/u/892768447, https://github.com/892768447
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@email: 892768447@qq.com
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@file: PushButtonLine
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@description:
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'''
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from random import randint
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import sys
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from PyQt5.QtCore import QTimer, QThread, pyqtSignal
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from PyQt5.QtGui import QPainter, QColor, QPen
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from PyQt5.QtWidgets import QPushButton, QApplication, QWidget, QVBoxLayout
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__Author__ = "By: Irony.\"[讽刺]\nQQ: 892768447\nEmail: 892768447@qq.com"
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__Copyright__ = "Copyright (c) 2018 Irony.\"[讽刺]"
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__Version__ = "Version 1.0"
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StyleSheet = '''
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PushButtonLine {
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color: white;
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border: none;
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min-height: 48px;
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background-color: #90caf9;
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}
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'''
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class LoadingThread(QThread):
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valueChanged = pyqtSignal(float) # 当前值/最大值
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def __init__(self, *args, **kwargs):
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super(LoadingThread, self).__init__(*args, **kwargs)
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self.totalValue = randint(100, 200) # 模拟最大
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def run(self):
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for i in range(self.totalValue + 1):
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self.valueChanged.emit(i / self.totalValue)
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QThread.msleep(randint(300, 600))
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class PushButtonLine(QPushButton):
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lineColor = QColor(0, 150, 136)
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def __init__(self, *args, **kwargs):
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self._waitText = kwargs.pop("waitText", "等待中")
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super(PushButtonLine, self).__init__(*args, **kwargs)
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self._text = self.text()
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self._percent = 0
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self._timer = QTimer(self, timeout=self.update)
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self.clicked.connect(self.start)
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def paintEvent(self, event):
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super(PushButtonLine, self).paintEvent(event)
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if not self._timer.isActive():
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return
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# 画进度
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painter = QPainter(self)
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pen = QPen(self.lineColor)
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pen.setWidth(4)
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painter.setPen(pen)
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painter.drawLine(0, self.height(), self.width()
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* self._percent, self.height())
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def start(self):
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if hasattr(self, "loadingThread"):
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return self.stop()
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self.loadingThread = LoadingThread(self)
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self.loadingThread.valueChanged.connect(self.setPercent)
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self._timer.start(200) # 200ms
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self.loadingThread.start()
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self.setText(self._waitText)
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def stop(self):
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self.loadingThread.valueChanged.disconnect(self.setPercent)
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self.loadingThread.terminate()
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self.loadingThread.deleteLater()
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del self.loadingThread
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self._percent = 0
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self._timer.stop()
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self.setText(self._text)
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def setPercent(self, v):
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self._percent = v
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if v == 1:
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self.stop()
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self.update()
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def setLineColor(self, color):
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self.lineColor = QColor(color)
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return self
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class Window(QWidget):
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def __init__(self, *args, **kwargs):
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super(Window, self).__init__(*args, **kwargs)
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layout = QVBoxLayout(self)
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layout.addWidget(PushButtonLine("点击加载"))
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layout.addWidget(PushButtonLine("点击加载").setLineColor("#ef5350"))
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layout.addWidget(PushButtonLine("点击加载").setLineColor("#ffc107"))
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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app.setStyleSheet(StyleSheet)
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w = Window()
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w.show()
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sys.exit(app.exec_())
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