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device_select_window.py
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device_select_window.py
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import sys
from PyQt5 import QtCore
from PyQt5.QtCore import pyqtSignal, QTimer, Qt, QSize, QRect
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QWidget, QVBoxLayout, QPushButton, QFrame, QLabel, QListWidget, QListWidgetItem, \
QApplication
import json
from default_config import *
class DeviceSelectWindow(QFrame):
'''自定义窗口'''
# 知识点：
# 1.为了得到返回值用到了自定义的信号/槽
# 2.为了显示动态数字，使用了计时器
before_close_signal = pyqtSignal(str, str) # 自定义信号（int类型）
def __init__(self):
super().__init__()
self.sec = 0
self.setWindowTitle('自定义窗口')
self.move(0,0)
self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint | Qt.Tool)
# self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
# dialog.setWindowFlags(QtCore.Qt.Widget) # 取消置顶
self.setWindowOpacity(0.9) # 设置窗口透明度
# self.setAttribute(QtCore.Qt.WA_TranslucentBackground) # 设置窗口背景透明
self.setWindowFlag(QtCore.Qt.FramelessWindowHint) # 隐藏边框
# self.send_message_btn = QPushButton(self, text="发送")
# self.send_message_btn.setObjectName('send_message_btn')
self.close_btn = QPushButton(self)
self.close_btn.setText("×")
self.close_btn.setObjectName("close_btn")
#
# self.layout_message_tip = QVBoxLayout(self)
# self.layout_message_tip.setObjectName("layout_message_tip")
# self.layout_message_tip.addWidget(self.send_message_btn)
self.close_btn.setGeometry(5, 20, 20, 20)
# 30
# 50
# self.setLayout(self.layout_message_tip)
# 显示选择目标设备按钮
self.device_list_widget = QListWidget(self)
self.device_list_widget.setFlow(QListWidget.LeftToRight)
self.device_list_widget.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.device_list_widget.setFrameShape(QListWidget.NoFrame)
self.device_list_widget.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.device_list_widget.clicked.connect(lambda: self.device_clicked_list_widget_fun())
# self.setStyleSheet('''
# .QWidget{
# border:2px solid darkGray;
# border-top-right-radius:15px;
# border-top-left-radius:15px;
# border-bottom-right-radius:15px;
# border-bottom-left-radius:15px;
# background:white;
# }''')
self.send_type = ''
self.timer = QTimer()
# self.send_message_btn.clicked.connect(self.send_message_function)
self.close_btn.clicked.connect(self.close_self)
self.timer.timeout.connect(self.update) # 每次计时结束，触发update
def start(self, device_list, send_type):
self.send_type = send_type
self.sec = 1
self.timer.start(1000)
print(len(device_list))
for one_device in device_list:
print(one_device)
one_device = json.loads(one_device)
item = QListWidgetItem(self.device_list_widget)
item.setSizeHint(QSize(device_select_item_width, device_select_item_height))
item.setText(one_device['name'][0:3] + '.')
item.setWhatsThis(one_device['name'])
self.device_list_widget.addItem(item)
#
self.device_list_widget.setGeometry(30, 10, len(device_list) * device_select_item_width, device_select_height)
# self.send_message_btn.setGeometry(30 + len(device_list) * device_select_item_width, 10, 40, 40)
self.resize(50 + len(device_list) * device_select_item_width, 60)
self.setStyleSheet('''
QPushButton#close_btn{
background:red;
border:1px solid darkGray;
border-top-right-radius:10px;
border-top-left-radius:10px;
border-bottom-right-radius:10px;
border-bottom-left-radius:10px;
color:white;
}
QPushButton#close_btn:hover{
color:red;
background:white;
}
QListWidget{
text-transform: uppercase;
text-align: center;
}
QListWidget::Item{
border:2px solid white;
border-top-right-radius:20px;
border-top-left-radius:20px;
border-bottom-right-radius:20px;
border-bottom-left-radius:20px;
background:yellow;
margin-left: 5px;
margin-right: 5px;
}
QListWidget::Item:hover{
background:skyblue;
color:white;
}
DeviceSelectWindow{
border:2px solid darkGray;
border-top-right-radius:15px;
border-top-left-radius:15px;
border-bottom-right-radius:15px;
border-bottom-left-radius:15px;
background:white;
}
''')
desktop = QApplication.desktop()
self.move(desktop.width() * 0.6, desktop.height() * 0.4)
"""
QSS：：
setStyleSheet('QListWidget{border:1px solid gray; color:black; }'
'QListWidget::Item{padding-top:-2px; padding-bottom:-1px;}'
"QListWidget::Item:hover{background:skyblue;padding-top:0px; padding-bottom:0px; }"
"QListWidget::item:selected{background:lightgray; color:red; }"
"QListWidget::item:selected:!active{active{border-width:0px;background:lightgreen; }")
QPushButton#send_message_btn{
background:red;
border:1px solid darkGray;
border-top-right-radius:20px;
border-top-left-radius:20px;
border-bottom-right-radius:20px;
border-bottom-left-radius:20px;
color:white;
}
QPushButton#send_message_btn:hover{
color:red;
background:white;
}
"""
def update(self):
self.sec += 1
if self.sec == 6:
self.timer.stop()
self.before_close_signal.emit('-1', '-1') # 发送信号，带参数 0
self.hide()
def close_self(self):
self.timer.stop()
self.before_close_signal.emit('-1', '-1') # 发送信号，带参数 0
self.hide()
# def send_message_function(self):
# self.timer.stop()
# self.before_close_signal.emit(1) # 发送信号，带参数 1
# self.sec = 0
# self.hide()
# # 默认关闭事件
# def closeEvent(self, e):
# self.timer.stop()
# self.before_close_signal.emit(0) # 发送信号，带参数 0
# self.sec = 0
# self.hide()
def device_clicked_list_widget_fun(self):
self.hide()
self.timer.stop()
select_device = self.device_list_widget.currentItem().whatsThis()
print('device_list_widget 已选择：{}'.format(select_device))
self.device_list_widget.clear()
self.before_close_signal.emit(select_device, self.send_type) # 发送信号，带参数 1