Python 如何使用QSS替换表视图的背景色?
下面的示例代码创建单个QTableView 问题:如何修改此代码,使奇数项目背景颜色为灰色,偶数项目背景颜色为黑色。是否应该使用CSS的Python 如何使用QSS替换表视图的背景色?,python,qt,pyqt,qtableview,qtstylesheets,Python,Qt,Pyqt,Qtableview,Qtstylesheets,下面的示例代码创建单个QTableView 问题:如何修改此代码,使奇数项目背景颜色为灰色,偶数项目背景颜色为黑色。是否应该使用CSS的替代背景色?用那面旗子 import sys, os from PyQt4 import QtCore, QtGui app=QtGui.QApplication(sys.argv) class TableModel(QtCore.QAbstractTableModel): def __init__(self): QtCore.QAb
替代背景色
?用那面旗子
import sys, os
from PyQt4 import QtCore, QtGui
app=QtGui.QApplication(sys.argv)
class TableModel(QtCore.QAbstractTableModel):
def __init__(self):
QtCore.QAbstractTableModel.__init__(self)
self.items=['One','Two','Three','Four','Five','Six','Seven']
def rowCount(self, parent=QtCore.QModelIndex()):
return len(self.items)
def columnCount(self, index=QtCore.QModelIndex()):
return 1
def data(self, index, role):
if not index.isValid() or not (0<=index.row()<len(self.items)):
return QtCore.QVariant()
item=str(self.items[index.row()])
if role==QtCore.Qt.UserRole:
return item
if role==QtCore.Qt.DisplayRole:
return item
if role==QtCore.Qt.TextColorRole:
return QtCore.QVariant(QtGui.QColor(QtCore.Qt.white))
def headerData(self, column, orientation, role=QtCore.Qt.DisplayRole):
if role!=QtCore.Qt.DisplayRole: return QtCore.QVariant()
if orientation==QtCore.Qt.Horizontal: return QtCore.QVariant('My Column Name')
class TableView(QtGui.QTableView):
def __init__(self, parent=None):
super(TableView, self).__init__(parent)
self.horizontalHeader().setResizeMode(QtGui.QHeaderView.Stretch)
self.horizontalHeader().setDefaultAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
myModel=TableModel()
self.setModel(myModel)
appStyle="""
QTableView
{
background-color: black;
gridline-color:black;
color: black;
selection-color: black;
}
QTableView::item
{
color: white;
background:black;
}
QTableView::item:hover
{
color: black;
background:#ffaa00;
}
QTableView::item:focus
{
color: black;
background:#0063cd;
}
"""
self.setStyleSheet(appStyle)
view=TableView()
view.show()
sys.exit(app.exec_())
导入系统,操作系统
从PyQt4导入QtCore、QtGui
app=QtGui.QApplication(sys.argv)
类TableModel(QtCore.QAbstractTableModel):
定义初始化(自):
QtCore.QAbstractTableModel.\uuuu init\uuuu(self)
self.items=['1','2','3','4','5','6','7']
def行数(self,parent=QtCore.QModelIndex()):
返回len(自我项目)
def columnCount(self,index=QtCore.QModelIndex()):
返回1
def数据(自身、索引、角色):
如果不是index.isValid()或不是(0,以下是如何使用模型控制项的背景色。CSS稍后用于其他所有内容:
import sys, os
from PyQt4 import QtCore, QtGui
app=QtGui.QApplication(sys.argv)
class TableModel(QtCore.QAbstractTableModel):
def __init__(self):
QtCore.QAbstractTableModel.__init__(self)
self.items=['One','Two','Three','Four','Five','Six','Seven']
def rowCount(self, parent=QtCore.QModelIndex()):
return len(self.items)
def columnCount(self, index=QtCore.QModelIndex()):
return 1
def data(self, index, role):
if not index.isValid() or not (0<=index.row()<len(self.items)):
return QtCore.QVariant()
item=str(self.items[index.row()])
if role==QtCore.Qt.UserRole:
return item
if role==QtCore.Qt.DisplayRole:
return item
if role==QtCore.Qt.TextColorRole:
return QtCore.QVariant(QtGui.QColor(QtCore.Qt.white))
if role == QtCore.Qt.BackgroundRole:
if index.row()%2:
return QtCore.QVariant(QtGui.QColor("#242424"))
else:
return QtCore.QVariant(QtGui.QColor(QtCore.Qt.black))
def headerData(self, column, orientation, role=QtCore.Qt.DisplayRole):
if role!=QtCore.Qt.DisplayRole: return QtCore.QVariant()
if orientation==QtCore.Qt.Horizontal: return QtCore.QVariant('My Column Name')
class TableView(QtGui.QTableView):
def __init__(self, parent=None):
super(TableView, self).__init__(parent)
self.horizontalHeader().setResizeMode(QtGui.QHeaderView.Stretch)
self.horizontalHeader().setDefaultAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
myModel=TableModel()
self.setModel(myModel)
appStyle="""
QTableView
{
background-color: black;
gridline-color:grey;
color: black;
}
QTableView::item
{
color: white;
}
QTableView::item:hover
{
color: black;
background: #ffaa00;
}
QTableView::item:focus
{
color: black;
background: #0063cd;
}
"""
self.setStyleSheet(appStyle)
view=TableView()
view.show()
sys.exit(app.exec_())
导入系统,操作系统
从PyQt4导入QtCore、QtGui
app=QtGui.QApplication(sys.argv)
类TableModel(QtCore.QAbstractTableModel):
定义初始化(自):
QtCore.QAbstractTableModel.\uuuu init\uuuu(self)
self.items=['1','2','3','4','5','6','7']
def行数(self,parent=QtCore.QModelIndex()):
返回len(自我项目)
def columnCount(self,index=QtCore.QModelIndex()):
返回1
def数据(自身、索引、角色):
如果不是index.isValid(),或者不是(0I不能特别对PyQt进行注释,但是在模型中存储背景的一个警告是,它们将向下渗透到所有视图。如果您希望以不同的方式显示相同的数据(MVC的本质),则需要在委托中执行(重新实现paint())。