我需要一个基于
以下是我用于自定义
QTabelModel
和QTableView
的QTableWidget
,并在表格上方添加一些按钮。请参见以下图片:
QTableWidget
的宽度应调整为不小于合理的最小值,并且不应超出其上方的按钮;特别是,列1、2和4的大小应调整为其内容大小,第3列“Aberrations”的大小应扩展以填补右侧的空白部分。我想知道如何在代码中实现这一点。以下是我用于自定义
QTableWidget
的最小代码示例(PyQt5,Python3):from PyQt5 import QtGui, QtCore, QtWidgets
import numpy as np
#-- Table Model
class MyTableModel(QtCore.QAbstractTableModel):
def __init__(self, data, parent=None, *args):
super(MyTableModel, self).__init__(parent)
# table data
self.table_data = data
self.rows_nr, self.columns_nr = data.shape
# vertical & horizontal header labels
self.hheaders = ["Head-{}".format(i) for i in range(self.columns_nr)]
self.vheaders = ["Row-{}".format(i) for i in range(self.rows_nr)]
# nr of rows
def rowCount(self, parent):
return self.rows_nr
# nr of columns
def columnCount(self, parent):
return self.columns_nr
# row and column headers
def headerData(self, section, orientation, role):
if role == QtCore.Qt.DisplayRole:
if orientation == QtCore.Qt.Horizontal:
return self.hheaders[section]
#END if
#ELSE:
return QtCore.QVariant()
# display table contents
def data(self, index, role=QtCore.Qt.DisplayRole):
r_ = index.row()
c_ = index.column()
if role == QtCore.Qt.DisplayRole:
return "{}".format(data[r_, c_])
#ELSE:
return QtCore.QVariant()
# set data
def setData(self, index, value, role):
r_ = index.row()
c_ = index.column()
# editable fields
if role == QtCore.Qt.EditRole:
# interprete values
self.table_data[r_,c_] = str(value)
return True
# view/edit flags
def flags(self, index):
r_ = index.row()
c_ = index.column()
return QtCore.Qt.ItemIsEnabled
class MyTableWidget(QtWidgets.QWidget):
def __init__(self, data, *args):
super(MyTableWidget, self).__init__(*args)
#-- table model
tablemodel = MyTableModel(data=data, parent=self)
#-- table view
tableview = QtWidgets.QTableView()
tableview.setModel(tablemodel)
tableview.verticalHeader().hide() # hide vertical/row headers
# size policy
tableview.setSizeAdjustPolicy(QtWidgets.QAbstractScrollArea.AdjustToContents)
tableview.setSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Minimum)
#-- layouts
#--- buttons
button_hlayout = QtWidgets.QHBoxLayout()
button_hlayout.addWidget(QtWidgets.QPushButton("Button 1"))
button_hlayout.addWidget(QtWidgets.QPushButton("Button 2"))
button_hlayout.addWidget(QtWidgets.QPushButton("Button 3"))
#--- table
table_layout = QtWidgets.QVBoxLayout()
table_layout.addLayout(button_hlayout)
table_layout.addWidget(tableview)
self.setLayout(table_layout)
#----------------------------------------
#-- produce sample data
data = np.empty(shape=(3,4), dtype=np.object)
for r in range(3):
for c in range(4):
data[r,c] = str(list(range((r+1) * (c+1))))
app = QtWidgets.QApplication([""])
w = MyTableWidget(data=data)
w.show()
app.exec_()