如何解决如何使用QPlainTextEdit编辑器结束编辑会话?
这是MRE:
from PyQt5.QtCore import QRect,Qt,QAbstractTableModel
from PyQt5.QtWidgets import QApplication,QMainWindow,QTableView,QWidget,QVBoxLayout,qstyledItemDelegate,QPlainTextEdit,QShortcut
import sys,types
from PyQt5.QtGui import QFont
class HistoryTableViewDelegate( qstyledItemDelegate ):
def __init__( self,history_table_view ):
super().__init__( history_table_view )
def createEditor(self,parent,option,index):
editor = QPlainTextEdit( parent )
editor.setSizeAdjustPolicy( QPlainTextEdit.SizeAdjustPolicy.AdjustToContents )
self.model = index.model()
column = index.column()
row = index.row()
parent.parent().verticalHeader().resizeSection( row,150 )
parent_font = QFont( self.parent().font() )
parent_font.setPointSize( self.parent().font().pointSize() )
editor.setFont( parent_font )
def end_edit():
print( f'end edit...')
self.setModelData( editor,self.model,index )
# how to end the edit session programmatically at this point?
# self.destroyEditor( editor,index )
end_edit_shortcut = QShortcut( 'Alt+E',editor,context = Qt.ShortcutContext.WidgetShortcut )
end_edit_shortcut.activated.connect( end_edit )
return editor
def setEditorData(self,index ):
# NB superclass method sets the editor's text to empty string...
self.original_text = index.model().data( index,Qt.displayRole )
editor.insertPlainText( str( self.original_text ) )
class HistoryTableModel( QAbstractTableModel ):
def __init__( self ):
super(HistoryTableModel,self).__init__()
data = [
[4,9,2],[1,0],[3,5,]
self._data = data
def data(self,index,role):
if role == Qt.displayRole:
return self._data[index.row()][index.column()]
def rowCount(self,index):
return len(self._data)
def columnCount(self,index):
return len(self._data[0])
def flags(self,index):
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
def setData(self,value,role ):
if role == Qt.EditRole:
self._data[ index.row() ][ index.column() ] = value
return True
class Ui_MainWindow(object):
def setupUi(self,MainWindow):
MainWindow.resize(600,700 )
self.centralwidget = QWidget(MainWindow)
self.verticalLayoutWidget = QWidget(self.centralwidget)
self.verticalLayoutWidget.setGeometry( QRect(20,20,500,500))
self.verticalLayout = QVBoxLayout(self.verticalLayoutWidget)
self.comps = []
self.table_view = QTableView(self.verticalLayoutWidget)
self.comps.append( self.table_view )
self.table_view.setGeometry(QRect(20,200,200))
self.verticalLayout.addWidget(self.table_view)
self.table_view.setModel( HistoryTableModel() )
self.table_view.setTabKeyNavigation(False)
self.table_view.setItemDelegate( HistoryTableViewDelegate( self.table_view ))
MainWindow.setCentralWidget(self.centralwidget)
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow,self).__init__()
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
app = QApplication(sys.argv)
application = MainWindow()
application.show()
sys.exit(app.exec())
我想拥有一个多行编辑器,所以我认为我已经理解要走的路是QPlainTextEdit
。尽管通过上述操作,按Alt-E会将数据提交到模型,但实际上并没有结束会话。例如,如果用鼠标单击另一个单元格,则可以看到已编辑的多行数据仍保留在已编辑的单元格中,并且以某种方式也结束了编辑会话。
如何以编程方式结束会话?
NB在按Alt-E后再按Escape是一种方法(两次击键)...但是我本质上想做的是使用QLineEdit
编辑器按Enter所做的任何编程操作。
解决方法
知道了...
def end_edit():
self.setModelData( editor,self.model,index )
self.closeEditor.emit( editor )
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