Question

我写了下面的代码：

import sys
from PyQt4 import QtCore, QtGui

class MainWindow(QtGui.QMainWindow):
    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        self.central_widget = QtGui.QStackedWidget()
        self.setCentralWidget(self.central_widget)
        Login_Widget = LoginPage(self)
        self.central_widget.addWidget(Login_Widget)
        self.central_widget.setCurrentWidget(Login_Widget)
        self.setStyleSheet("background-color:#FFDA00;")

class LoginPage(QtGui.QWidget):
    def __init__(self, parent=None):
        super(LoginPage, self).__init__(parent)
        self.Username = QtGui.QLineEdit(self)  
        self.Password = QtGui.QLineEdit(self)
        self.Password.setEchoMode(QtGui.QLineEdit.Password)
        self.buttonLogin = QtGui.QPushButton('Login', self)
        self.cancelButton = QtGui.QPushButton('Cancel', self)
        loginLayout = QtGui.QFormLayout()
        loginLayout.addRow("Username", self.Username) 
        loginLayout.addRow("Password", self.Password)
        horizontallayout = QtGui.QHBoxLayout()
        horizontallayout.addWidget(self.buttonLogin)
        horizontallayout.addWidget(self.cancelButton)
        layout = QtGui.QVBoxLayout(self)
        layout.addLayout(loginLayout)
        layout.addLayout(horizontallayout)
        self.setLayout(layout)

if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    window = MainWindow()
    window.show()
    app.exec_()

使用上面的代码，当我运行代码时，它将所有内容设置为橙色。我想设置背景为橙色，lineedit白色和按钮银灰色。如何为单个widget项设置不同的颜色？还有什么方法可以设置窗口栏的颜色（包含窗口标题，退出按钮，最小化按钮和重新调整大小按钮的栏）

任何帮助将不胜感激！

Answer 1

您可以为各个小部件设置不同的样式属性。

请查看此链接Qt Style Sheets Examples，因为它涵盖了如何为大多数小部件设置不同的样式属性。

您还可以将stylesheeet保存为.qss文件并将其保存在外部。

css = '''

QMainWindow
{
background:orange;
}   

QLineEdit
{
background:white;
}

QPushButton
{
background:qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
                          stop: 0 #FAFFFA, stop: 0.4 #F5F7F5,
                          stop: 0.5 #F0F2F0, stop: 1.0 #EDEDED); 
}
'''

class MainWindow(QtGui.QMainWindow):
    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        self.central_widget = QtGui.QStackedWidget()
        self.setCentralWidget(self.central_widget)
        Login_Widget = LoginPage(self)
        self.central_widget.addWidget(Login_Widget)
        self.central_widget.setCurrentWidget(Login_Widget)

class LoginPage(QtGui.QWidget):
    def __init__(self, parent=None):
        super(LoginPage, self).__init__(parent)
        self.Username = QtGui.QLineEdit(self)  
        self.Password = QtGui.QLineEdit(self)
        self.Password.setEchoMode(QtGui.QLineEdit.Password)
        self.buttonLogin = QtGui.QPushButton('Login', self)
        self.cancelButton = QtGui.QPushButton('Cancel', self)
        loginLayout = QtGui.QFormLayout()
        loginLayout.addRow("Username", self.Username) 
        loginLayout.addRow("Password", self.Password)
        horizontallayout = QtGui.QHBoxLayout()
        horizontallayout.addWidget(self.buttonLogin)
        horizontallayout.addWidget(self.cancelButton)
        layout = QtGui.QVBoxLayout(self)
        layout.addLayout(loginLayout)
        layout.addLayout(horizontallayout)
        self.setLayout(layout)

if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    app.setStyleSheet(css)#<------------set your stylesheet
    window = MainWindow()
    window.show()
    app.exec_()

对于窗口标题栏，无法设置颜色或任何属性。最好的办法是隐藏它并实现自己的窗口标题栏。

如何为每个小部件项设置单独的颜色？

1 个答案: