def _create_fontcombobox(self, name):
"""Return a combobox for modifying a multiple-getValue setting."""
setting = self.settingItems[name]
# Create the combobox and populate it
combo = QFontComboBox()
combo.setMinimumWidth(100)
combo.setMaximumWidth(150)
combo.setFontFilters(QFontComboBox.AllFonts) # 设置过滤器
# Ugly event handler!
def combo_changed(index):
self._changedSettings[name] = combo.currentFont().family()
combo.currentFontChanged.connect(combo_changed)
# Set the initial getValue, if any
def combo_update(value):
combo.setCurrentFont(QFont(value))
self._updateActions[name] = combo_update
# combo_update(self.currentSettings.get(name, list(SettingEnums.enums[valuetype].values())[0]))
return combo
class QmyMainWindow(QMainWindow):
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
self.__buildUI()
self.__spinFontSize.valueChanged[int].connect(self.do_fontSize_Changed)
self.__comboFontName.currentIndexChanged[str].connect(self.do_fontName_Changed)
self.setCentralWidget(self.ui.textEdit)
##==========自定义功能函数==========
def __buildUI(self):
self.__LabFile = QLabel(self)#QLabel组件显示信息
self.__LabFile.setMinimumWidth(150)
self.__LabFile.setText('文件名: ')
self.ui.statusBar.addWidget(self.__LabFile)#添加到状态栏
self.__progressBar1 = QProgressBar(self)#实例进度条
self.__progressBar1.setMaximumWidth(200)#设定最大宽度
self.__progressBar1.setMinimum(5)#设置最小值
self.__progressBar1.setMaximum(50)#设置最大值
sz = self.ui.textEdit.font().pointSize()
print(sz)
self.__progressBar1.setValue(sz)
self.ui.statusBar.addWidget(self.__progressBar1)
self.__LabInfo = QLabel(self)
self.__LabInfo.setText('选择字体名称: ')
self.ui.statusBar.addPermanentWidget(self.__LabInfo)
actionGroup = QActionGroup(self)#定义一个组
actionGroup.addAction(self.ui.actLang_CN)#添加两个组件到一个组内
actionGroup.addAction(self.ui.actLang_EN)
actionGroup.setExclusive(True)#令组内组件互斥
self.ui.actLang_CN.setChecked(True)#设定中文按钮为默认
self.__spinFontSize = QSpinBox(self)#设定QSpinBox组件控制字体大小
self.__spinFontSize.setMaximum(50)#最大字体50
self.__spinFontSize.setMinimum(5)#最小字体5
sz = self.ui.textEdit.font().pointSize()
self.__spinFontSize.setValue(sz)
self.__spinFontSize.setMinimumWidth(50)
self.ui.mainToolBar.addWidget(self.__spinFontSize)
self.__comboFontName = QFontComboBox(self)
self.__comboFontName.setMinimumWidth(100)
self.ui.mainToolBar.addWidget(self.__comboFontName)
self.ui.mainToolBar.addSeparator()
self.ui.mainToolBar.addAction(self.ui.actClose)
##==========事件处理函数===========
##==========由connectSlotsByName()自动关联的槽函数====
@pyqtSlot(bool)
def on_actFont_Bold_triggered(self,checked):
fmt = self.ui.textEdit.currentCharFormat()
print(fmt.fontWeight())
# print(fmt,dir(fmt))
# print(checked)
if (checked==True):
# print(QFont.setItalic())
fmt.setFontWeight(QFont.Bold)
print(fmt.fontWeight())
else:
fmt.setFontWeight(QFont.Normal)
print(fmt.fontWeight())
self.ui.textEdit.mergeCurrentCharFormat(fmt)
# fmt.setFontBold(checked)
# self.ui.textEdit.currentCharFormat(fmt)
@pyqtSlot(bool)
def on_actFont_Italic_triggered(self,checked):
fmt = self.ui.textEdit.currentCharFormat()
fmt.setFontItalic(checked)
self.ui.textEdit.mergeCurrentCharFormat(fmt)
@pyqtSlot(bool)
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):
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):
fmt = self.ui.textEdit.currentCharFormat()
self.ui.actFont_Bold.setEnabled(fmt.font().bold())
self.ui.actFont_Italic.setEnabled(fmt.fontItalic())
self.ui.actFont_UnderLine.setEnabled(fmt.fontUnderline())
def on_textEdit_custonContextMenuRequested(self,pos):
popMenu = self.ui.textEdit.createStandardContextMenu()
popMenu.exec(pos)
##=========自定义槽函数============
@pyqtSlot(int)
def do_fontSize_Changed(self,fontSize):
fmt = self.ui.textEdit.currentCharFormat()
fmt.setFontPointSize(fontSize)
self.ui.textEdit.mergeCurrentCharFormat(fmt)
self.__progressBar1.setValue(fontSize)
@pyqtSlot(str)
def do_fontName_Changed(self,fontName):
fmt = self.ui.textEdit.currentCharFormat()
fmt.setFontFamily(fontName)
self.ui.textEdit.mergeCurrentCharFormat(fmt)
self.__LabInfo.setText("字体名称: {}".format(fontName))
class QmyMainWindow(QMainWindow):
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
self.__buildUI() #动态创建组件，添加到工具栏和状态栏
self.__spinFontSize.valueChanged[int].connect(
self.do_fontSize_Changed) #字体大小设置
self.__comboFontName.currentIndexChanged[str].connect(
self.do_fontName_Changed) #字体选择
self.setCentralWidget(self.ui.textEdit)
## ============自定义功能函数================================
def __buildUI(self): ##窗体上动态添加组件
# 创建状态栏上的组件
self.__LabFile = QLabel(self) # QLabel组件显示信息
self.__LabFile.setMinimumWidth(150)
self.__LabFile.setText("文件名： ")
self.ui.statusBar.addWidget(self.__LabFile)
self.__progressBar1 = QProgressBar(self) # progressBar1
self.__progressBar1.setMaximumWidth(200)
self.__progressBar1.setMinimum(5)
self.__progressBar1.setMaximum(50)
sz = self.ui.textEdit.font().pointSize() #字体大小
self.__progressBar1.setValue(sz)
self.ui.statusBar.addWidget(self.__progressBar1)
self.__LabInfo = QLabel(self) # QLabel组件显示字体名称
self.__LabInfo.setText("选择字体名称： ")
self.ui.statusBar.addPermanentWidget(self.__LabInfo)
#为actLang_CN和actLang_EN创建QActionGroup，互斥型选择
actionGroup = QActionGroup(self)
actionGroup.addAction(self.ui.actLang_CN)
actionGroup.addAction(self.ui.actLang_EN)
actionGroup.setExclusive(True) #互斥型分组
self.ui.actLang_CN.setChecked(True)
#创建工具栏上的组件
self.__spinFontSize = QSpinBox(self) #字体大小spinbox
self.__spinFontSize.setMinimum(5)
self.__spinFontSize.setMaximum(50)
sz = self.ui.textEdit.font().pointSize()
self.__spinFontSize.setValue(sz)
self.__spinFontSize.setMinimumWidth(50)
self.ui.mainToolBar.addWidget(self.__spinFontSize) #SpinBox添加到工具栏
self.__comboFontName = QFontComboBox(self) #字体 combobox
self.__comboFontName.setMinimumWidth(100)
self.ui.mainToolBar.addWidget(self.__comboFontName)
self.ui.mainToolBar.addSeparator() #添加一个分隔条
self.ui.mainToolBar.addAction(self.ui.actClose) #添加 actClose作为“关闭”按钮
## ===========由connectSlotsByName() 自动连接的槽函数=====================
@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) #显示快捷菜单
@pyqtSlot(bool) ##设置工具栏按钮样式
def on_actSys_ToggleText_triggered(self, checked):
if (checked):
st = Qt.ToolButtonTextUnderIcon
else:
st = Qt.ToolButtonIconOnly
self.ui.mainToolBar.setToolButtonStyle(st)
def on_actFile_New_triggered(self): ##新建文件，不实现具体功能
self.__LabFile.setText(" 新建文件 ")
def on_actFile_Open_triggered(self): ##打开文件，不实现具体功能
self.__LabFile.setText(" 打开的文件 ")
def on_actFile_Save_triggered(self): ##保存文件，不实现具体功能
self.__LabFile.setText(" 文件已保存 ")
## =============自定义槽函数===============================
@pyqtSlot(int) ##设置字体大小,关联 __spinFontSize
def do_fontSize_Changed(self, fontSize):
fmt = self.ui.textEdit.currentCharFormat()
fmt.setFontPointSize(fontSize)
self.ui.textEdit.mergeCurrentCharFormat(fmt)
self.__progressBar1.setValue(fontSize) #注意它属于self, 而不是self.ui
@pyqtSlot(str) ## 选择字体名称，关联__comboFontName
def do_fontName_Changed(self, fontName):
fmt = self.ui.textEdit.currentCharFormat()
fmt.setFontFamily(fontName)
self.ui.textEdit.mergeCurrentCharFormat(fmt)
self.__LabInfo.setText("字体名称：%s " % fontName)
class QmyMainWindow(QMainWindow):
def __init__(self, parent=None, flags=Qt.WindowFlags()):
super().__init__(parent=parent, flags=flags)
self._ui = Ui_MainWindow()
self._ui.setupUi(self)
self._buildUi() # 动态创建组件，添加到工具栏和状态栏
self._spinFontSize.valueChanged[int].connect(
self.my_fontSize_Changed) # 字体大小设置
self._comboFontName.currentIndexChanged[str].connect(
self.my_fontName_Changed) #字体选择
self.setCentralWidget(self._ui.plainTextEdit) # 将文本框防止中央
def _buildUi(self):
# QLable显示信息
self._LabFile = QLabel(self)
self._LabFile.setMinimumWidth(150)
self._LabFile.setText('文件名：')
self._ui.statusBar.addWidget(self._LabFile) # 添加到状态栏
# progressBar显示
self._progressBar1 = QProgressBar(self)
self._progressBar1.setMaximumWidth(200)
self._progressBar1.setMinimum(5)
self._progressBar1.setMaximum(50)
sz = self._ui.plainTextEdit.font().pointSize()
self._progressBar1.setValue(sz) # 将字体大小显示在progressBar
self._ui.statusBar.addWidget(self._progressBar1) # 添加到状态栏
self._LabInfo = QLabel(self)
self._LabInfo.setText('选择字体名称：{黑体}')
self._ui.statusBar.addPermanentWidget(self._LabInfo)
actionGroup = QActionGroup(self)
actionGroup.addAction(self._ui.action_English)
actionGroup.addAction(self._ui.action_Chinese)
actionGroup.setExclusive(True)
self._ui.action_Chinese.setChecked(True)
self._spinFontSize = QSpinBox(self)
self._spinFontSize.setMinimum(5)
self._spinFontSize.setMaximum(50)
sz = self._ui.plainTextEdit.font().pointSize()
self._spinFontSize.setValue(sz)
self._spinFontSize.setMinimumWidth(50)
self._ui.toolBar.addWidget(self._spinFontSize)
self._comboFontName = QFontComboBox(self)
self._comboFontName.setMinimumWidth(100)
self._ui.toolBar.addWidget(self._comboFontName)
self._ui.toolBar.addSeparator()
self._ui.toolBar.addAction(self._ui.action_Close)
@pyqtSlot(int)
def my_fontSize_Changed(self, fontsize):
fmt = self._ui.plainTextEdit.currentCharFormat()
fmt.setFontPointSize(fontsize)
self._ui.plainTextEdit.mergeCurrentCharFormat(fmt)
self._progressBar1.setValue(fontsize)
@pyqtSlot(str)
def my_fontName_Changed(self, fontName):
fmt = self._ui.plainTextEdit.currentCharFormat()
fmt.setFontFamily(fontName)
self._ui.plainTextEdit.mergeCurrentCharFormat(fmt)
self._LabInfo.setText(f'字体名称：{fontName}')
@pyqtSlot(bool)
def on_action_Bold_triggered(self, checked):
fmt = self._ui.plainTextEdit.currentCharFormat()
if checked:
fmt.setFontWeight(QFont.Bold)
else:
fmt.setFontWeight(QFont.Normal)
self._ui.plainTextEdit.mergeCurrentCharFormat(fmt)
@pyqtSlot(bool)
def on_action_Italic_triggered(self, checked):
fmt = self._ui.plainTextEdit.currentCharFormat()
fmt.setFontItalic(checked)
self._ui.plainTextEdit.mergeCurrentCharFormat(fmt)
@pyqtSlot(bool)
def on_action_UnderLine_triggered(self, checked):
fmt = self._ui.plainTextEdit.currentCharFormat()
fmt.setFontUnderline(checked)
self._ui.plainTextEdit.mergeCurrentCharFormat(fmt)
def on_plainTextEdit_copyAvailable(self, avi):
self._ui.action_Copy.setEnabled(avi)
self._ui.action_Cut.setEnabled(avi)
self._ui.action_Paste.setEnabled(self._ui.plainTextEdit.canPaste())
def on_plainTextEdit_selectionChanged(self):
fmt = self._ui.plainTextEdit.currentCharFormat()
self._ui.action_Bold.setChecked(fmt.font().bold())
self._ui.action_Italic.setChecked(fmt.fontItalic())
self._ui.action_UnderLine.setChecked(fmt.fontUnderline())
def on_plainTextEdit_customeContexMenuRequested(self, pos):
popMenu = self._ui.plainTextEdit.createStandardContextMenu()
popMenu.exec(pos)
@pyqtSlot(bool)
def on_action_Text_triggered(self, checked):
if checked:
st = Qt.ToolButtonTextUnderIcon
else:
st = Qt.ToolButtonIconOnly
self._ui.toolBar.setToolButtonStyle(st)
def on_action_New_triggered(self):
self._LabFile.setText('新建文件')
def on_action_Open_triggered(self):
self._LabFile.setText('打开文件')
def on_action_Save_triggered(self):
self._LabFile.setText('文件已保存')
