def __init__(self,parent=None):
QWidget.__init__(self,parent)
self.__editorSettings = EditorSettings()
self.__textDocument = PythonTextDocument()
self.__splitter = QSplitter(self)
# 横纵滚动条
self.__verticalScrollBar = QScrollBar(self)
self.__verticalScrollBar.adjustSize()
self.__verticalScrollBar.setMinimumWidth(self.__verticalScrollBar.width())
self.__verticalScrollBar.setMaximumWidth(self.__verticalScrollBar.width())
self.__verticalScrollBar.valueChanged.connect(self.__onVScrollValueChanged)
self.__editorSettings.startDisLineNumberChangedSignal.connect(self.__verticalScrollBar.setValue)
self.__horizontalScrollBar = QScrollBar(QtCore.Qt.Horizontal,self)
self.__horizontalScrollBar.adjustSize()
self.__horizontalScrollBar.setMinimumHeight(self.__horizontalScrollBar.height())
self.__horizontalScrollBar.setMaximumHeight(self.__horizontalScrollBar.height())
self.__horizontalScrollBar.valueChanged.connect(self.__onHScrollValueChanged)
self.__editorSettings.startDisLetterXOffChangedSignal.connect(self.__horizontalScrollBar.setValue)
self.__lineNumberWidget = LineNumberWidget(self.__editorSettings,self.__splitter)
setattr(self.__lineNumberWidget,'resizeEvent',self.__onLineNumberWidgetSizeChanged)
self.__codeTextWidget = CodeTextWidget(self.__textDocument,self.__editorSettings,self.__splitter)
self.__codeTextWidget.document().totalLevelTextChangedSignal.connect(self.__onCodeTextChanged)
self.__codeTextWidget.settings().lineTextMaxPixelChangedSignal.connect(self.__onLineStrLengthChanged)
self.__codeTextWidget.visibleLineYOffInfoChangedSignal.connect( self.__lineNumberWidget.setVisibleLineYOffInfoArray )
self.__splitter.addWidget( self.__lineNumberWidget )
self.__splitter.addWidget( self.__codeTextWidget )
self.__splitter.setCollapsible( 0,False )
self.__splitter.setCollapsible( 1,False )
self.setText = self.__codeTextWidget.setText
self.getText = self.__codeTextWidget.getText
class MyCodeEditor(QWidget):
def __init__(self,parent=None):
QWidget.__init__(self,parent)
self.__editorSettings = EditorSettings()
self.__textDocument = PythonTextDocument()
self.__splitter = QSplitter(self)
# 横纵滚动条
self.__verticalScrollBar = QScrollBar(self)
self.__verticalScrollBar.adjustSize()
self.__verticalScrollBar.setMinimumWidth(self.__verticalScrollBar.width())
self.__verticalScrollBar.setMaximumWidth(self.__verticalScrollBar.width())
self.__verticalScrollBar.valueChanged.connect(self.__onVScrollValueChanged)
self.__editorSettings.startDisLineNumberChangedSignal.connect(self.__verticalScrollBar.setValue)
self.__horizontalScrollBar = QScrollBar(QtCore.Qt.Horizontal,self)
self.__horizontalScrollBar.adjustSize()
self.__horizontalScrollBar.setMinimumHeight(self.__horizontalScrollBar.height())
self.__horizontalScrollBar.setMaximumHeight(self.__horizontalScrollBar.height())
self.__horizontalScrollBar.valueChanged.connect(self.__onHScrollValueChanged)
self.__editorSettings.startDisLetterXOffChangedSignal.connect(self.__horizontalScrollBar.setValue)
self.__lineNumberWidget = LineNumberWidget(self.__editorSettings,self.__splitter)
setattr(self.__lineNumberWidget,'resizeEvent',self.__onLineNumberWidgetSizeChanged)
self.__codeTextWidget = CodeTextWidget(self.__textDocument,self.__editorSettings,self.__splitter)
self.__codeTextWidget.document().totalLevelTextChangedSignal.connect(self.__onCodeTextChanged)
self.__codeTextWidget.settings().lineTextMaxPixelChangedSignal.connect(self.__onLineStrLengthChanged)
self.__codeTextWidget.visibleLineYOffInfoChangedSignal.connect( self.__lineNumberWidget.setVisibleLineYOffInfoArray )
self.__splitter.addWidget( self.__lineNumberWidget )
self.__splitter.addWidget( self.__codeTextWidget )
self.__splitter.setCollapsible( 0,False )
self.__splitter.setCollapsible( 1,False )
self.setText = self.__codeTextWidget.setText
self.getText = self.__codeTextWidget.getText
def __onLineStrLengthChanged(self,newMaxLength):
hMax = newMaxLength-1
self.__horizontalScrollBar.setRange(0,hMax)
if self.__horizontalScrollBar.value() > hMax:
self.__horizontalScrollBar.setValue(hMax)
def __onCodeTextChanged(self,*arg1,**arg2):
vMax = self.__codeTextWidget.document().getLineCount()-1
self.__verticalScrollBar.setRange(0,vMax)
if self.__verticalScrollBar.value() > vMax:
self.__verticalScrollBar.setValue(vMax)
def __onVScrollValueChanged(self):
self.__codeTextWidget.showLineNumberAsTop(self.__verticalScrollBar.value())
def __onHScrollValueChanged(self):
self.__codeTextWidget.showLeftXOffAsLeft(self.__horizontalScrollBar.value())
def __onLineNumberWidgetSizeChanged(self,*arg1,**arg2):
lineNumberWidgetWidth = self.__lineNumberWidget.width()
vScrollBarWidth = self.__verticalScrollBar.width()
hScrollBarHeight = self.__horizontalScrollBar.height()
self.__horizontalScrollBar.setGeometry(lineNumberWidgetWidth,self.height()-hScrollBarHeight, \
self.width()-vScrollBarWidth-lineNumberWidgetWidth,hScrollBarHeight)
def resizeEvent(self, event):
vScrollBarWidth = self.__verticalScrollBar.width()
hScrollBarHeight = self.__horizontalScrollBar.height()
self.__splitter.setGeometry( 0,0,self.width()-vScrollBarWidth,self.height()-hScrollBarHeight )
self.__verticalScrollBar.setGeometry(self.width()-vScrollBarWidth,0,vScrollBarWidth,self.height()-hScrollBarHeight)
self.__onLineNumberWidgetSizeChanged()
def wheelEvent(self, event):
changedV = 3 if event.angleDelta().y() < 0 else -3
self.__verticalScrollBar.setValue( self.__verticalScrollBar.value() + changedV )