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)
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
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。
文字识别本文字使用的百度云的文字识别OCR 百度云文字识别
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
pip install system_hotkey
示例
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))
托盘管理使用pyqt5的 QSystemTrayIcon
实现
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
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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