class QTextStreamShiftTest(unittest.TestCase): def setUp(self): self.ba = QByteArray() self.read = QTextStream(self.ba, QIODevice.ReadOnly) self.write = QTextStream(self.ba, QIODevice.WriteOnly) def testNumber(self): '''QTextStream << number''' self.write << '4' self.write.flush() res = self.read.readLine() self.assertTrue(isinstance(res, py3k.unicode)) self.assertEqual(res, '4')
class SingleApplication(QApplication): messageReceived = Signal() def __init__(self, id, *argv): super(SingleApplication, self).__init__(*argv) self._id = id self._activationWindow = None self._activateOnMessage = False # Is there another instance running? self._outSocket = QLocalSocket() self._outSocket.connectToServer(self._id) self._isRunning = self._outSocket.waitForConnected() if self._isRunning: # Yes, there is. self._outStream = QTextStream(self._outSocket) self._outStream.setCodec('UTF-8') else: # No, there isn't. self._outSocket = None self._outStream = None self._inSocket = None self._inStream = None self._server = QLocalServer() self._server.listen(self._id) self._server.newConnection.connect(self._onNewConnection) def isRunning(self): return self._isRunning def id(self): return self._id def activationWindow(self): return self._activationWindow def setActivationWindow(self, activationWindow, activateOnMessage=True): self._activationWindow = activationWindow self._activateOnMessage = activateOnMessage def activateWindow(self): if not self._activationWindow: return self._activationWindow.show() self._activationWindow.setWindowState(( self._activationWindow.windowState() & ~Qt.WindowMinimized) | Qt.WindowActive) SetWindowPos( self._activationWindow.winId(), # = always on top. only reliable way to bring it to the front on windows win32con.HWND_TOPMOST, 0, 0, 0, 0, win32con.SWP_NOMOVE | win32con.SWP_NOSIZE | win32con.SWP_SHOWWINDOW) # Do not reset topmost; for monitor control this is set... # SetWindowPos(self._activationWindow.winId(), # # disable the always on top, but leave window at its top position # win32con.HWND_NOTOPMOST, # 0, 0, 0, 0, # win32con.SWP_NOMOVE | win32con.SWP_NOSIZE | win32con.SWP_SHOWWINDOW) # self._activationWindow.raise_() self._activationWindow.activateWindow() def sendMessage(self, msg): if not self._outStream: return False self._outStream << msg << '\n' self._outStream.flush() return self._outSocket.waitForBytesWritten() def _onNewConnection(self): if self._inSocket: self._inSocket.readyRead.disconnect(self._onReadyRead) self._inSocket = self._server.nextPendingConnection() if not self._inSocket: return self._inStream = QTextStream(self._inSocket) self._inStream.setCodec('UTF-8') self._inSocket.readyRead.connect(self._onReadyRead) if self._activateOnMessage: self.activateWindow() def _onReadyRead(self): while True: msg = self._inStream.readLine() if not msg: break self.messageReceived.emit(msg)
class QtSingleApplication(QApplication): messageReceived = Signal() def __init__(self, id, *argv): super(QtSingleApplication, self).__init__(*argv) self._id = id self._activationWindow = None self._activateOnMessage = False # Is there another instance running? self._outSocket = QLocalSocket() self._outSocket.connectToServer(self._id) self._isRunning = self._outSocket.waitForConnected() if self._isRunning: # Yes, there is. self._outStream = QTextStream(self._outSocket) self._outStream.setCodec('UTF-8') else: # No, there isn't. self._outSocket = None self._outStream = None self._inSocket = None self._inStream = None self._server = QLocalServer() self._server.listen(self._id) self._server.newConnection.connect(self._onNewConnection) def isRunning(self): return self._isRunning def id(self): return self._id def activationWindow(self): return self._activationWindow def setActivationWindow(self, activationWindow, activateOnMessage=True): self._activationWindow = activationWindow self._activateOnMessage = activateOnMessage def activateWindow(self): if not self._activationWindow: return self._activationWindow.setWindowState( self._activationWindow.windowState() & ~Qt.WindowMinimized) self._activationWindow.raise_() self._activationWindow.activateWindow() def sendMessage(self, msg): if not self._outStream: return False self._outStream << msg << '\n' self._outStream.flush() return self._outSocket.waitForBytesWritten() def _onNewConnection(self): if self._inSocket: self._inSocket.readyRead.disconnect(self._onReadyRead) self._inSocket = self._server.nextPendingConnection() if not self._inSocket: return self._inStream = QTextStream(self._inSocket) self._inStream.setCodec('UTF-8') self._inSocket.readyRead.connect(self._onReadyRead) if self._activateOnMessage: self.activateWindow() def _onReadyRead(self): while True: msg = self._inStream.readLine() if not msg: break self.messageReceived.emit(msg)
class QtSingleApplication(QApplication): messageReceived = Signal(str) def __init__(self, id, *argv): super(QtSingleApplication, self).__init__(*argv) self._id = id self._activationWindow = None self._activateOnMessage = False # Is there another instance running? self._outSocket = QLocalSocket() self._outSocket.connectToServer(self._id) self._isRunning = self._outSocket.waitForConnected() if self._isRunning: # Yes, there is. self._outStream = QTextStream(self._outSocket) self._outStream.setCodec('UTF-8') else: # No, there isn't. self._outSocket = None self._outStream = None self._inSocket = None self._inStream = None self._server = QLocalServer() self._server.listen(self._id) self._server.newConnection.connect(self._onNewConnection) def isRunning(self): return self._isRunning def id(self): return self._id def activationWindow(self): return self._activationWindow def setActivationWindow(self, activationWindow, activateOnMessage=True): self._activationWindow = activationWindow self._activateOnMessage = activateOnMessage def activateWindow(self): if not self._activationWindow: return self._activationWindow.setWindowState( self._activationWindow.windowState() & ~Qt.WindowMinimized) self._activationWindow.raise_() self._activationWindow.activateWindow() def sendMessage(self, msg): if not self._outStream: return False self._outStream << msg << '\n' self._outStream.flush() return self._outSocket.waitForBytesWritten() def _onNewConnection(self): if self._inSocket: self._inSocket.readyRead.disconnect(self._onReadyRead) self._inSocket = self._server.nextPendingConnection() if not self._inSocket: return self._inStream = QTextStream(self._inSocket) self._inStream.setCodec('UTF-8') self._inSocket.readyRead.connect(self._onReadyRead) if self._activateOnMessage: self.activateWindow() def _onReadyRead(self): while True: msg = self._inStream.readLine() if not msg: break self.messageReceived.emit(msg)