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PyQt4--《二十二》无边框窗口及QSS样式使用

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# test.qss
QWidget {
    background-color: white;
}
QLabel#smallbtn{
    color: red;
}
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#-*-coding:utf-8-*-
# test.py
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *

class window(QWidget):
    def __init__(self, parent=None):
        super(window, self).__init__(parent)
        self.init()

    def init(self):

        #创建布局
        hbox = QHBoxLayout()
        self.leftlist = QListWidget()
        self.Stack = QStackedWidget()
        self.toplayout = QHBoxLayout()
        #创建对象
        self.smallbtn = QLabel(u"最小化")
        self.smallbtn.setObjectName("smallbtn")#设定控件类名
        self.bigbtn = QLabel(u"最大化")
        self.closebtn = QLabel(u"关闭")
        self.smallbtn.setAlignment(Qt.AlignRight)
        self.bigbtn.setAlignment(Qt.AlignRight)
        self.closebtn.setAlignment(Qt.AlignRight)
        self.leftlist.insertItem(0,"Contact")#左边添加list子项，添加index
        self.leftlist.insertItem(1,"Personal")
        self.leftlist.insertItem(2,"Educational")
        self.stack1 = QWidget()#添加对象
        self.stack2 = QWidget()
        self.stack3 = QWidget()
        self.stack1Window()#设置对象内容
        self.stack2Window()
        self.stack3Window()
        self.leftlist.currentRowChanged.connect(self.display)#设置listWidget选中行切换事件

        #添加对象到布局
        self.toplayout.addWidget(self.smallbtn)
        self.toplayout.addWidget(self.bigbtn)
        self.toplayout.addWidget(self.closebtn)
        self.Stack.addWidget(self.stack1)
        self.Stack.addWidget(self.stack2)
        self.Stack.addWidget(self.stack3)
        hbox.addWidget(self.leftlist)
        hbox.addWidget(self.Stack)
        mainlayout = QVBoxLayout(self)
        mainlayout.addLayout(self.toplayout)
        mainlayout.addLayout(hbox)
        self.setLayout(mainlayout)
        self.setWindowTitle(u"关联标签显示")
        # 开始装载样式表
        file = QFile('test.qss')
        file.open(QFile.ReadOnly)
        styleSheet = file.readAll()
        styleSheet = unicode(styleSheet, encoding='utf8')
        self.setStyleSheet(styleSheet)
        #鼠标轨迹
        self.setMouseTracking(True)
        #窗口居中展示
        desktop = QApplication.desktop()
        width = desktop.width()
        height = desktop.height()
        if (width/height) <3 :
            self.move((width - self.width())/2, (height - self.height())/2)
        # 无边框
        self.setWindowFlags(Qt.FramelessWindowHint)

    # 支持窗口拖动,重写两个方法
    def mousePressEvent(self, event):
        if event.button() == Qt.LeftButton:
            self.m_drag = True
            self.m_DragPosition = event.globalPos() - self.pos()
            event.accept()

    def mouseMoveEvent(self, QMouseEvent):
        if QMouseEvent.buttons() and Qt.LeftButton:
            self.move(QMouseEvent.globalPos() - self.m_DragPosition)
            QMouseEvent.accept()

    def mouseReleaseEvent(self, QMouseEvent):
        self.m_drag = True

    def stack1Window(self):
        layout = QFormLayout()
        layout.addRow("Name", QLineEdit())
        layout.addRow("Address", QLineEdit())
        # self.setTabText(0,"Contact Details")
        self.stack1.setLayout(layout)

    def stack2Window(self):
        layout = QFormLayout()
        sex = QHBoxLayout()
        sex.addWidget(QRadioButton("Male"))
        sex.addWidget(QRadioButton("Female"))
        layout.addRow(QLabel("Sex"), sex)
        layout.addRow("Date of Birth", QLineEdit())

        self.stack2.setLayout(layout)

    def stack3Window(self):
        layout = QHBoxLayout()
        layout.addWidget(QLabel("subjects"))
        layout.addWidget(QCheckBox("Physics"))
        layout.addWidget(QCheckBox("Maths"))
        self.stack3.setLayout(layout)

    def display(self, i):
        self.Stack.setCurrentIndex(i)

def main():
    app = QApplication(sys.argv)
    ex = window()
    ex.show()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()