def __init__(self):
super(RobotController, self).__init__()
self.main_box = QtGui.QHBoxLayout(self)
#self.second_box = QtGui.QHBoxLayout(self)
#self.group_box = QtGui.QGroupBox()
self.bt = RobotBt(self)
self.initUI()
self.initEvents()
class RobotController(QtGui.QWidget):
def __init__(self):
super(RobotController, self).__init__()
self.main_box = QtGui.QHBoxLayout(self)
#self.second_box = QtGui.QHBoxLayout(self)
#self.group_box = QtGui.QGroupBox()
self.bt = RobotBt(self)
self.initUI()
self.initEvents()
def initUI(self):
self.screen = FirstScreen(self)
self.setGeometry(300, 300, 600, 400)
self.main_box.addWidget(self.screen)
self.setLayout(self.main_box)
self.setWindowTitle('Robot Controller')
self.show()
def initEvents(self):
"""
catch events from all forms
"""
self.connect(self, QtCore.SIGNAL("find_button_clicked"), self.find_devices) # clicked button "find device" on first screen
self.connect(self, QtCore.SIGNAL("found_device"), self.found_device) # found device in bt.py
self.connect(self.bt, QtCore.SIGNAL("finished()"), self.scanning_finished) # finished BT scanning
self.connect(self.bt, QtCore.SIGNAL("terminated()"), self.scanning_finished) # BT scanning terminated
self.connect(self, QtCore.SIGNAL("next_button_clicked"), self.switch_to_second_screen)
self.connect(self, QtCore.SIGNAL("device_selected"), self.switch_to_third_screen)
self.connect(self, QtCore.SIGNAL("service_not_found"), self.if_service_not_found)
self.connect(self, QtCore.SIGNAL("device_connected"), self.if_device_connected)
def find_devices(self):
"""
Pressed button "find devices" on first screen (first screen.py)
"""
#QtGui.QMessageBox.information(self, 'Message', "Find", QtGui.QMessageBox.Ok)
#self.screen = SecondScreen(self)
#self.screen.bt_log.clear()
self.screen.next_btn.setEnabled(False)
self.screen.find_btn.setEnabled(False)
self.screen.bt_log.append('Scanning has been started')
self.bt.start_scan()
def found_device(self):
"""
This method calling when new BT device is found nearby. Signal sent from bt.py
"""
#QtGui.QMessageBox.information(self, 'Message', "Found device %s => %s" % (self.bt.current_device[0], self.bt.current_device[1],), QtGui.QMessageBox.Ok)
self.screen.bt_log.append("Found device %s => %s" % (self.bt.current_device[0], self.bt.current_device[1],))
def scanning_finished(self):
"""
This method calls when BT scanning is finished or terminated
"""
self.screen.find_btn.setEnabled(True)
self.screen.bt_log.append('Scanning has been finished. Found %d devices. Press "next".' % (len(self.bt.devices)))
self.screen.next_btn.setEnabled(True)
def switch_to_second_screen(self):
self.screen = SecondScreen(self)
self.hide()
def switch_to_third_screen(self):
QtGui.QMessageBox.information(self, 'Message', 'Trying to connect to %s' % self.bt.current_device[1], QtGui.QMessageBox.Ok)
self.bt.connect()
self.screen = ThirdScreen(self)
self.hide()
def if_service_not_found(self):
QtGui.QMessageBox.information(self, 'Message', 'Services on device %s not found' % (self.bt.current_device[1],), QtGui.QMessageBox.Ok)
def if_device_connected(self):
QtGui.QMessageBox.information(self, 'Message', 'device %s {port: %s, name: %s, host: %s} connected' % (self.bt.current_device[1], self.bt.current_device[2], self.bt.current_device[1], self.bt.current_device[0]), QtGui.QMessageBox.Ok)
def closeEvent(self, event):
reply = QtGui.QMessageBox.question(self, 'Message',
"Are you sure to quit?", QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No, QtGui.QMessageBox.Yes)
if reply == QtGui.QMessageBox.Yes:
event.accept()
else:
event.ignore()
