Created
April 18, 2013 15:13
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PySide QSingleApplication
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| class QSingleApplication(QApplication): | |
| def single_start(self, widget): | |
| self.widget = widget | |
| self.local_socket = QLocalSocket() | |
| self.local_socket.connected.connect(self.another_instance_started) | |
| self.local_socket.error.connect(self.first_instance) | |
| self.local_socket.connectToServer("foobar", QIODevice.WriteOnly) | |
| def another_instance_started(self): | |
| self.local_socket.write("foobar") | |
| self.local_socket.bytesWritten.connect(self.quit) | |
| def first_instance(self): | |
| self.local_server = QLocalServer() | |
| if self.local_server.listen("foobar"): | |
| self.local_server.newConnection.connect(self.tried_to_start_another_instance) | |
| self.widget.show() | |
| def tried_to_start_another_instance(self): | |
| def read(): | |
| f = self.new_socket.readLine() | |
| self.widget.getArgsFromOtherInstance(str(f)) | |
| self.widget.activateWindow() | |
| self.widget.show() | |
| self.new_socket = self.local_server.nextPendingConnection() | |
| self.new_socket.readyRead.connect(read) |
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