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monitor_Threading.py
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monitor_Threading.py
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from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from PyQt5 import QtCore
from PyQt5 import QtWidgets
import psutil
import sys
import threading
class Monitor(QWidget):
trigger = pyqtSignal()
def __init__(self):
super().__init__()
self._startPos = None
self._wmGap = None
self.hidden = False
dsk = QApplication.primaryScreen()
self.screen_width = dsk.geometry().width()
self.screen_height = dsk.geometry().height()
self.window_width = 140
self.window_height = 50
self.label_size = 'font: 13px'
self.cpu_gui_x = 75
# Inform threading.Timer
self.ui_alive = True
# 设置窗口无边框； 设置窗口置顶；
self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint | Qt.Tool)
# 设置窗口背景透明
# self.setAttribute(Qt.WA_TranslucentBackground)
# 设置透明度(0~1)
self.setWindowOpacity(0.9)
# 设置鼠标为手状
self.setCursor(Qt.PointingHandCursor)
self.receive_pre = -1
self.sent_pre = -1
self.upload_bytes = 0
self.upload_string = '↑' + '0B/S'
self.download_bytes = 0
self.download_string = '↓' + '0B/S'
self.one_line = ''.join(['*' for i in range(40)])
self.cpu_percent = 0
self.cpu_percent_string = '0%'
self.mem_percent = 0
self.mem_percent_string = '0%'
self.cpu_lines = ''
self.mem_lines = ''
# 启动线程定时器
self.timer = threading.Timer(1, self.get_computer_info)
self.timer.start()
# 信号关联
self.trigger.connect(self.update_ui_label)
def enterEvent(self, event):
self.hide_or_show('show', event)
def leaveEvent(self, event):
self.hide_or_show('hide', event)
def hide_or_show(self, mode, event):
# 获取窗口左上角x,y
pos = self.frameGeometry().topLeft()
if mode == 'show' and self.hidden:
# 窗口左上角x + 窗口宽度 大于屏幕宽度，从右侧滑出
if pos.x() + self.window_width >= self.screen_width:
# 需要留10在里边，否则边界跳动
self.startAnimation(self.screen_width - self.window_width, pos.y())
event.accept()
self.hidden = False
# 窗口左上角x 小于0, 从左侧滑出
elif pos.x() <= 0:
self.startAnimation(0, pos.y())
event.accept()
self.hidden = False
# 窗口左上角y 小于0, 从上方滑出
elif pos.y() <= 0:
self.startAnimation(pos.x(), 0)
event.accept()
self.hidden = False
elif mode == 'hide' and (not self.hidden):
if pos.x() + self.window_width >= self.screen_width:
# 留10在外面
self.startAnimation(self.screen_width - 10, pos.y(), mode, 'right')
event.accept()
self.hidden = True
elif pos.x() <= 0:
# 留10在外面
self.startAnimation(10 - self.window_width, pos.y(), mode, 'left')
event.accept()
self.hidden = True
elif pos.y() <= 0:
# 留10在外面
self.startAnimation(pos.x(), 10 - self.window_height, mode, 'up')
event.accept()
self.hidden = True
def startAnimation(self, x, y, mode='show', direction=None):
animation = QPropertyAnimation(self, b"geometry", self)
# 滑出动画时长
animation.setDuration(200)
# 隐藏时，只留10在外边，防止跨屏
# QRect限制其大小，防止跨屏
num = QApplication.desktop().screenCount()
if mode == 'hide':
if direction == 'right':
animation.setEndValue(QRect(x, y, 10, self.window_height))
elif direction == 'left':
# 多屏时采用不同的隐藏方法，防止跨屏
if num < 2:
animation.setEndValue(QRect(x, y, self.window_width, self.window_height))
else:
animation.setEndValue(QRect(0, y, 10, self.window_height))
else:
if num < 2:
animation.setEndValue(QRect(x, y, self.window_width, self.window_height))
else:
animation.setEndValue(QRect(x, 0, self.window_width, 10))
else:
animation.setEndValue(QRect(x, y, self.window_width, self.window_height))
animation.start()
def mouseMoveEvent(self, event: QMouseEvent):
# event.pos()减去最初相对窗口位置，获得移动距离(x,y)
self._wmGap = event.pos() - self._startPos
# 移动窗口，保持鼠标与窗口的相对位置不变
# 检查是否移除了当前主屏幕
# 左方界限
final_pos = self.pos() + self._wmGap
if self.frameGeometry().topLeft().x() + self._wmGap.x() <= 0:
final_pos.setX(0)
# 上方界限
if self.frameGeometry().topLeft().y() + self._wmGap.y() <= 0:
final_pos.setY(0)
# 右方界限
if self.frameGeometry().bottomRight().x() + self._wmGap.x() >= self.screen_width:
final_pos.setX(self.screen_width - self.window_width)
# 下方界限
if self.frameGeometry().bottomRight().y() + self._wmGap.y() >= self.screen_height:
final_pos.setY(self.screen_height - self.window_height)
self.move(final_pos)
def mousePressEvent(self, event: QMouseEvent):
if event.button() == Qt.LeftButton:
# event.pos() 鼠标相对窗口的位置
# event.globalPos() 鼠标在屏幕的绝对位置
self._startPos = event.pos()
if event.button() == Qt.RightButton:
# 创建右键菜单
menu = QMenu(self)
menu.setStyleSheet(u"background-color: white;\n"
"selection-color: rgb(0, 255, 127);\n"
"selection-background-color: gray;\n"
"font: 8pt;")
# 二级菜单
size_menu = menu.addMenu('Bkcolor')
light_gray = size_menu.addAction('Light-Gray')
gray = size_menu.addAction('Gray')
black = size_menu.addAction('Black')
show_menu = menu.addMenu('Show')
show_all = show_menu.addAction('show_all')
speed_only = show_menu.addAction('speed_only')
# 普通菜单
quit_action = menu.addAction('Exit')
about_action = menu.addAction('About')
# 窗口定位到鼠标处
action = menu.exec_(self.mapToGlobal(event.pos()))
# 显示网速或全部显示
if action == show_all:
self.window_width = 140
self.setGeometry(self.x(), self.y(), self.window_width, 50)
if action == speed_only:
self.window_width = 75
self.setGeometry(self.x(), self.y(), self.window_width, 50)
# 改变背景色
if action == light_gray:
self.setStyleSheet(u"background-color: rgb(100, 100, 100)")
if action == gray:
self.setStyleSheet(u"background-color: rgb(50, 50, 50)")
if action == black:
self.setStyleSheet(u"background-color: black")
if action == quit_action:
self.ui_alive = False
QCoreApplication.quit()
if action == about_action:
# 新建MessageBox
msg_box = QtWidgets.QMessageBox()
# 支持HTML输入
msg_box.about(self, "About", "<font size='3' color='white'>"
"--------------------------"
"<p>"
"<i><b>Author: </b>Mingo.Meo</i>"
"</p>"
"<p>"
"<i><b>Version: </b>1.0.0</i>"
"</p>"
"<p>"
"<i><b>More: </b><a href='https://blog.csdn.net/weixin_44446598'>"
"<span style='color:white'>Visit Me</span></a></i>"
"</p>"
"</font>")
def mouseReleaseEvent(self, event: QMouseEvent):
if event.button() == Qt.LeftButton:
self._startPos = None
self._wmGap = None
if event.button() == Qt.RightButton:
self._startPos = None
self._wmGap = None
def setupUi(self):
# 设置gui的font，获得小号字体
font = QFont()
font.setFamily(u"Agency FB")
font.setPointSize(1)
font.setBold(True)
font.setWeight(75)
font.setKerning(False)
self.resize(self.window_width, self.window_height)
self.setStyleSheet(u"background-color: rgb(50, 50, 50)")
self.cpu_gui = QLabel(self)
self.cpu_gui.setObjectName(u"cpu_gui")
self.cpu_gui.setGeometry(QRect(self.cpu_gui_x, 18, 20, 24))
self.cpu_gui.setFont(font)
self.cpu_gui.setLayoutDirection(Qt.LeftToRight)
self.cpu_gui.setStyleSheet(u"color: rgb(85, 170, 255);\n"
"border: 1px solid;\n"
"border-color: rgb(85, 170, 255);")
self.cpu_gui.setTextFormat(Qt.AutoText)
self.cpu_gui.setScaledContents(False)
self.cpu_gui.setAlignment(Qt.AlignBottom | Qt.AlignHCenter)
self.cpu_gui.setWordWrap(False)
self.cpu_gui.setMargin(0)
self.cpu_gui.setIndent(-3)
self.cpu_num = QLabel(self)
self.cpu_num.setObjectName(u"cpu_num")
self.cpu_num.setGeometry(QRect(self.cpu_gui_x, 0, 20, 16))
self.cpu_num.setStyleSheet(u"color: rgb(85, 170, 255);\n%s" % self.label_size)
self.cpu_num.setAlignment(Qt.AlignCenter)
self.mem_gui = QLabel(self)
self.mem_gui.setObjectName(u"mem_gui")
self.mem_gui.setGeometry(QRect(self.cpu_gui_x + 30, 18, 20, 24))
self.mem_gui.setFont(font)
self.mem_gui.setLayoutDirection(Qt.LeftToRight)
self.mem_gui.setStyleSheet(u"color: rgb(170, 255, 255);\n"
"border: 1px solid;\n"
"border-color: rgb(170, 255, 255);")
self.mem_gui.setTextFormat(Qt.AutoText)
self.mem_gui.setScaledContents(False)
self.mem_gui.setAlignment(Qt.AlignBottom | Qt.AlignHCenter)
self.mem_gui.setWordWrap(False)
self.mem_gui.setMargin(0)
self.mem_gui.setIndent(-3)
self.mem_num = QLabel(self)
self.mem_num.setObjectName(u"mem_num")
self.mem_num.setGeometry(QRect(self.cpu_gui_x + 30, 0, 20, 16))
self.mem_num.setStyleSheet(u"color: rgb(170, 255, 255);\n%s" % self.label_size)
self.mem_num.setAlignment(Qt.AlignCenter)
self.upspeed = QLabel(self)
self.upspeed.setObjectName(u"upspeed")
self.upspeed.setGeometry(QRect(0, 5, 70, 16))
self.upspeed.setStyleSheet(u"color: rgb(255, 170, 0);\n%s" % self.label_size)
self.downspeed = QLabel(self)
self.downspeed.setObjectName(u"downspeed")
self.downspeed.setGeometry(QRect(0, 30, 70, 16))
self.downspeed.setStyleSheet(u"color: rgb(85, 255, 0);\n%s" % self.label_size)
# setupUi
def retranslateUi(self):
self.setWindowTitle("")
one_line = ''.join(['*' for i in range(40)])
n_line = ''.join([one_line + '\n' for i in range(5)])
self.cpu_gui.setText(n_line)
self.cpu_num.setText(u"0%")
self.mem_gui.setText(n_line)
self.mem_num.setText(u"0%")
self.downspeed.setText(u"↓0.0KB/S")
self.upspeed.setText(u"↑0.0KB/S")
@staticmethod
def standard_net_speed(net_bytes: int):
# xx.xB/S or xxxB/S
if net_bytes < 1000:
if net_bytes < 100:
return " %sB/S" % str(net_bytes)
else:
return "%sB/S" % str(net_bytes)
elif net_bytes >> 10 < 1000:
if net_bytes // 1024 < 100:
return "%.1fKB/S" % (net_bytes / 1024)
else:
return "%sKB/S" % (net_bytes // 1024)
elif net_bytes >> 20 < 1000:
if net_bytes // 1024 ** 2 < 100:
return "%.1fMB/S" % (net_bytes / 1024 ** 2)
else:
return "%sMB/S" % (net_bytes // 1024 ** 2)
elif net_bytes >> 30 < 1024:
if net_bytes // 1024 ** 3 < 100:
return "%.1fGB/S" % (net_bytes / 1024 ** 3)
else:
return "%sGB/S" % (net_bytes // 1024 ** 3)
else:
return "xx.xB/S"
def get_computer_info(self):
self.get_net_speed()
self.get_cpu_mem()
# 通知面板更新
self.trigger.emit()
if self.ui_alive:
# 重新设置定时器
self.timer = threading.Timer(1, self.get_computer_info)
self.timer.start()
def get_net_speed(self):
# 获取网速,当sent_pre或receive_pre为-1时，初始化窗口
if self.sent_pre == -1 or self.receive_pre == -1:
self.upload_bytes = 0
self.download_bytes = 0
try:
self.sent_pre = psutil.net_io_counters().bytes_sent
self.receive_pre = psutil.net_io_counters().bytes_recv
except RuntimeError:
# 如果获取失败，重新获取
self.sent_pre = -1
self.receive_pre = -1
else:
try:
self.upload_bytes = psutil.net_io_counters().bytes_sent - self.sent_pre
self.download_bytes = psutil.net_io_counters().bytes_recv - self.receive_pre
except RuntimeError:
self.sent_pre = -1
self.receive_pre = -1
self.upload_string = '↑' + '0B/S'
self.download_string = '↓' + '0B/S'
else:
self.sent_pre += self.upload_bytes
self.receive_pre += self.download_bytes
self.upload_string = '↑' + Monitor.standard_net_speed(self.upload_bytes)
self.download_string = '↓' + Monitor.standard_net_speed(self.download_bytes)
def get_cpu_mem(self):
self.cpu_percent = (psutil.cpu_percent(interval=0.0, percpu=False))
self.mem_percent = psutil.virtual_memory().percent
if self.cpu_percent >= 100:
self.cpu_percent = 99
if self.mem_percent >= 100:
self.mem_percent = 99
self.cpu_lines = ''.join([self.one_line + '\n' for i in range(int(self.cpu_percent) // 10)])
self.mem_lines = ''.join([self.one_line + '\n' for i in range(int(self.mem_percent) // 10)])
self.cpu_percent_string = "%d" % self.cpu_percent + '%'
self.mem_percent_string = "%d" % self.mem_percent + '%'
def update_ui_label(self):
self.upspeed.setText(self.upload_string)
self.downspeed.setText(self.download_string)
self.cpu_num.setText("%d" % self.cpu_percent + '%')
self.mem_num.setText("%d" % self.mem_percent + '%')
self.cpu_gui.setText(self.cpu_lines)
self.mem_gui.setText(self.mem_lines)
if __name__ == '__main__':
# 设置屏幕自适应
QtCore.QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
app = QApplication([])
# 获取主显示器分辨率
screen_width = app.primaryScreen().geometry().width()
screen_height = app.primaryScreen().geometry().height()
stats = Monitor()
stats.setupUi()
stats.retranslateUi()
# 设置最初出现的位置
window_width = stats.geometry().width()
window_height = stats.geometry().height()
stats.setGeometry(screen_width - window_width - 10, screen_height//2 - 150, window_width, window_height)
stats.show()
sys.exit(app.exec_())