功能介绍
1.翻译功能
2.截图功能(快捷键 + 截图存储到剪切板中)
3.文字识别OCR(基于百度API的文字识别)
UI 界面
截图
截图可以使用第三方截图 或 使用PyQt5截图
此文章使用PyQt5的截图
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class Snipper(QtWidgets.QWidget): def __init__( self , parent = None , flags = Qt.WindowFlags()): super ().__init__(parent = parent, flags = flags) self .setWindowTitle( "TextShot" ) self .setWindowFlags( # 设置窗口属性,窗口置顶 Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint | Qt.Dialog ) self .setWindowState( self .windowState() | Qt.WindowFullScreen) self .screen = QtGui.QScreen.grabWindow( QtWidgets.QApplication.primaryScreen(), # 获取当前屏幕分辨率(屏幕大小) QtWidgets.QApplication.desktop().winId(), ) palette = QtGui.QPalette() # 调色板QPalette类 palette.setBrush( self .backgroundRole(), QtGui.QBrush( self .screen)) self .setPalette(palette) # 改变鼠标形状 QtWidgets.QApplication.setOverrideCursor(QtGui.QCursor(QtCore.Qt.CrossCursor)) self .start, self .end = QtCore.QPoint(), QtCore.QPoint() def keyPressEvent( self , event): if event.key() = = Qt.Key_Escape: QtWidgets.QApplication.quit() return super ().keyPressEvent(event) def paintEvent( self , event): painter = QtGui.QPainter( self ) painter.setPen(Qt.NoPen) painter.setBrush(QtGui.QColor( 0 , 0 , 0 , 100 )) painter.drawRect( 0 , 0 , self .width(), self .height()) if self .start = = self .end: return super ().paintEvent(event) painter.setPen(QtGui.QPen(QtGui.QColor( 255 , 255 , 255 ), 3 )) painter.setBrush(painter.background()) painter.drawRect(QtCore.QRect( self .start, self .end)) return super ().paintEvent(event) def mousePressEvent( self , event): self .start = self .end = QtGui.QCursor.pos() self .update() return super ().mousePressEvent(event) def mouseMoveEvent( self , event): self .end = QtGui.QCursor.pos() self .update() return super ().mousePressEvent(event) def mouseReleaseEvent( self , event): if self .start = = self .end: return super ().mouseReleaseEvent(event) self .hide() QtWidgets.QApplication.processEvents() if self .start.x() < self .end.x(): shot = self .screen.copy(QtCore.QRect( self .start, self .end)) else : shot = self .screen.copy(QtCore.QRect( self .end, self .start)) QtWidgets.QApplication.quit() |
翻译
翻译功能可以请求百度翻译或者有道翻译,网上有很多这里就不多赘述。
文字识别
文字识别本文字使用的百度云的文字识别OCR 百度云文字识别
全局热键(快捷键)
开启多线程捕获全局全局热键,防止主线程阻塞导致假死。
安装
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pip install system_hotkey |
示例
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from system_hotkey import SystemHotkey from PyQt5.QtCore import QObject, pyqtSignal, Qt class HotKeyThread(QObject): trigger = pyqtSignal( str ) def __init__( self ): super ().__init__() # 1. 自定义热键响应 self .trigger.connect( self .hotKeyEvent) # 2.初始化热键 self .hot_key = SystemHotkey() # 3.绑定快捷键发送信号 self .hot_key.register(( 'control' , '1' ),, callback = lambda x: self .sendKeyEvent( "按下" )) def sendKeyEvent( self ,data): self .trigger.emit(data) def hotKeyEvent( self ,data): print ( "接收信号:{}" . format (data)) |
托盘管理
托盘管理使用pyqt5的 QSystemTrayIcon
实现
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class Tray(QSystemTrayIcon): def __init__( self , UI): super (Tray, self ).__init__() self .ui = UI self .setIcon(QIcon( 'icons/1.ico' )) # 托盘图标 self .setToolTip( '小工具' ) # 鼠标移动到托盘图标上的提示 self .activated.connect( self .clickedIcon) # 点击信号 self .menu() self .show() def clickedIcon( self ,reason): # reason:鼠标点击托盘图标时传递的整数型信号 # 1表示单击右键 # 2表示双击左键 # 3表示单击左键 # 4表示点击中键 # 下面定义单击左键是弹出或隐藏界面,单击右键是弹出菜单。 if reason = = 3 : self .trayClickedEvent() elif reason = = 1 : self .contextMenu() def menu( self ): menu = QMenu() action = QAction( '退出' , self , triggered = self .triggered) menu.addAction(action) self .setContextMenu(menu) def trayClickedEvent( self ): if self .ui.isHidden(): self .ui.setHidden( False ) if self .ui.windowState() = = Qt.WindowMinimized: self .ui.showNormal() # 正常显示窗口 self .ui.raise_() # 控制在上层 self .ui.activateWindow() # 活动窗口 else : self .ui.setHidden( True ) # 设置隐藏窗口 def triggered( self ): self .deleteLater() # 删除托盘图标,无此操作的话,程序退出后托盘图标不会自动清除 qApp.quit() # 会重写closeEvent,换一个退出程序的命令 |
主代码
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import sys import time from tray import Tray from ui import Ui_MainWindow from demo import translate,Child_Dialog from PyQt5.QtGui import QIcon from PyQt5.QtCore import QThread,pyqtSignal,Qt from PyQt5.QtWidgets import QApplication,QSystemTrayIcon,QMenu,QAction,qApp class HotKeyThread(QThread,SystemHotkey): # 开启多线程全局热键 trigger = pyqtSignal() def __init__( self ,UI): self .ui = UI super (HotKeyThread, self ).__init__() self .register(( 'control' , '1' ), callback = lambda x: self .start()) self .trigger.connect( self .hotKeyEvent) def run( self ): self .trigger.emit() def hotKeyEvent( self ): self .ui.screenshots_and_translate() class MainFunction(Ui_MainWindow): # 主程序 def __init__( self ): super ().__init__() self .trigger() def trigger( self ): self .status = False self .tray = Tray( self ) self .hotKey = HotKeyThread( self ) self .pushButton_2.setToolTip( "截图(Ctrl+1)" ) # 给按钮2 添加提示气泡,显示快捷键方法 self .pushButton_1.clicked.connect( self .screenshots_and_translate) # 按钮1 翻译 self .pushButton_2.clicked.connect( self .screenshots_and_translate) # 按钮2 截图 def screenshots_and_translate( self ): butname = self .sender().objectName() if butname = = "pushButton1" : text = self .textedit.toPlainText() res = None if len (text) > 0 : res = translate(text) self .textBrowser.setText(res) else : if not self .status: self .status = True self .showMinimized() time.sleep( 0.5 ) self .activateWindow() self .child_window = Child_Dialog( self ) # 截图 self .child_window.dialogSignel.connect( self .slot_emit) self .child_window.show() def slot_emit( self , flag, str ): self .activateWindow() self .showNormal() self .status = False if flag = = 1 : if self .checkBox.isChecked(): res = translate( str ) else : res = str self .textBrowser.setText(res) def closeEvent( self ,QCloseEvent): QCloseEvent.ignore() self .hide() if __name__ = = '__main__' : app = QApplication(sys.argv) ex = MainFunction() sys.exit(app.exec_()) |
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原文链接:https://www.cnblogs.com/hp-mzx/p/16327451.html