class QmyMainWindow(QMainWindow):
_tr = QCoreApplication.translate #替代符
def __init__(self, parent=None):
super().__init__(parent) #调用父类构造函数，创建窗体
self.ui=Ui_MainWindow() #创建UI对象
self.ui.setupUi(self) #构造UI界面
text=self._tr("QmyMainWindow","文件名: ")
self.ui.statusBar.showMessage(text)
actionGroup= QActionGroup(self)
actionGroup.addAction(self.ui.actLang_CN)
actionGroup.addAction(self.ui.actLang_EN)
actionGroup.setExclusive(True)
self.__translator=None #QTranslator对象
self.setCentralWidget(self.ui.textEdit)
## ============自定义功能函数================================
def setTranslator(self,translator,Language):
self.__translator=translator
if Language=="EN":
self.ui.actLang_EN.setChecked(True)
else:
self.ui.actLang_CN.setChecked(True)
## ===========由connectSlotsByName() 自动连接的槽函数=====================
@pyqtSlot() ##英语界面
def on_actLang_EN_triggered(self):
QCoreApplication.removeTranslator(self.__translator)
self.__translator=QTranslator()
self.__translator.load("appLang_EN.qm")
QCoreApplication.installTranslator(self.__translator)
self.ui.retranslateUi(self)
regSettings=QSettings(QCoreApplication.organizationName(),
QCoreApplication.applicationName())
regSettings.setValue("Language","EN") #保存设置
@pyqtSlot() ##汉语界面
def on_actLang_CN_triggered(self):
QCoreApplication.removeTranslator(self.__translator)
self.__translator=QTranslator()
self.__translator.load("appLang_CN.qm")
QCoreApplication.installTranslator(self.__translator)
self.ui.retranslateUi(self)
regSettings=QSettings(QCoreApplication.organizationName(),
QCoreApplication.applicationName())
regSettings.setValue("Language","CN") #保存设置
@pyqtSlot(bool) ##设置粗体
def on_actFont_Bold_triggered(self, checked):
fmt=self.ui.textEdit.currentCharFormat()
if (checked == True):
fmt.setFontWeight(QFont.Bold)
else:
fmt.setFontWeight(QFont.Normal)
self.ui.textEdit.mergeCurrentCharFormat(fmt)
@pyqtSlot(bool) ##设置斜体
def on_actFont_Italic_triggered(self,checked):
fmt=self.ui.textEdit.currentCharFormat()
fmt.setFontItalic(checked)
self.ui.textEdit.mergeCurrentCharFormat(fmt)
@pyqtSlot(bool) ##设置下划线
def on_actFont_UnderLine_triggered(self,checked):
fmt=self.ui.textEdit.currentCharFormat()
fmt.setFontUnderline(checked)
self.ui.textEdit.mergeCurrentCharFormat(fmt)
def on_textEdit_copyAvailable(self, avi): ##文本框内容可copy
self.ui.actEdit_Cut.setEnabled(avi)
self.ui.actEdit_Copy.setEnabled(avi)
self.ui.actEdit_Paste.setEnabled(self.ui.textEdit.canPaste())
def on_textEdit_selectionChanged(self): ##文本选择内容发生变化
fmt=self.ui.textEdit.currentCharFormat()
self.ui.actFont_Bold.setChecked(fmt.font().bold())
self.ui.actFont_Italic.setChecked(fmt.fontItalic())
self.ui.actFont_UnderLine.setChecked(fmt.fontUnderline())
def on_textEdit_customContextMenuRequested(self,pos): ##标准右键菜单
popMenu=self.ui.textEdit.createStandardContextMenu()
popMenu.exec(pos)
@pyqtSlot(bool) ##设置工具栏按钮样式
def on_actSys_ToggleText_triggered(self,checked):
btnStyle=Qt.ToolButtonIconOnly
if(checked):
btnStyle=Qt.ToolButtonTextUnderIcon
self.ui.mainToolBar.setToolButtonStyle(btnStyle)
def on_actFile_New_triggered(self): ##新建文件，不实现具体功能
text=self._tr("QmyMainWindow","新建文件")
self.ui.statusBar.showMessage(text)
def on_actFile_Open_triggered(self): ##打开文件，不实现具体功能
text=self._tr("QmyMainWindow","打开的文件:")
self.ui.statusBar.showMessage(text)
def on_actFile_Save_triggered(self): ##保存文件，不实现具体功能
text=self._tr("QmyMainWindow","文件已保存")
self.ui.statusBar.showMessage(text)
