class MainWindow(QMainWindow, Ui_MainWindow):
qtcb_enumerate = pyqtSignal(str, str, 'char', type((0,)), type((0,)), int, int)
qtcb_connected = pyqtSignal(int)
qtcb_disconnected = pyqtSignal(int)
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.setupUi(self)
self.setWindowIcon(QIcon(os.path.join(get_program_path(), "brickv-icon.png")))
signal.signal(signal.SIGINT, self.exit_brickv)
signal.signal(signal.SIGTERM, self.exit_brickv)
self.async_thread = async_start_thread(self)
self.setWindowTitle("Brick Viewer " + config.BRICKV_VERSION)
self.tree_view_model_labels = ['Name', 'UID', 'FW Version']
self.tree_view_model = QStandardItemModel()
self.tree_view.setModel(self.tree_view_model)
self.tree_view.doubleClicked.connect(self.item_double_clicked)
self.set_tree_view_defaults()
# Remove dummy tab
self.tab_widget.removeTab(1)
self.last_tab = 0
self.name = '<unknown>'
self.uid = '<unknown>'
self.version = (0, 0, 0)
self.disconnect_times = []
self.qtcb_enumerate.connect(self.cb_enumerate)
self.qtcb_connected.connect(self.cb_connected)
self.qtcb_disconnected.connect(self.cb_disconnected)
self.ipcon = IPConnection()
self.ipcon.set_auto_reauthenticate(False)
self.ipcon.register_callback(IPConnection.CALLBACK_ENUMERATE,
self.qtcb_enumerate.emit)
self.ipcon.register_callback(IPConnection.CALLBACK_CONNECTED,
self.qtcb_connected.emit)
self.ipcon.register_callback(IPConnection.CALLBACK_DISCONNECTED,
self.qtcb_disconnected.emit)
self.flashing_window = None
self.advanced_window = None
self.delayed_refresh_updates_timer = QTimer()
self.delayed_refresh_updates_timer.timeout.connect(self.delayed_refresh_updates)
self.delayed_refresh_updates_timer.setInterval(500)
self.reset_view()
self.button_advanced.setDisabled(True)
self.tab_widget.currentChanged.connect(self.tab_changed)
self.button_connect.pressed.connect(self.connect_pressed)
self.button_flashing.pressed.connect(self.flashing_pressed)
self.button_advanced.pressed.connect(self.advanced_pressed)
self.plugin_manager = PluginManager()
self.combo_host.addItem(config.get_host())
self.combo_host.addItems(config.get_host_history(HOST_HISTORY_SIZE - 1))
self.spinbox_port.setValue(config.get_port())
self.last_host = self.combo_host.currentText()
self.last_port = self.spinbox_port.value()
self.checkbox_authentication.stateChanged.connect(self.authentication_state_changed)
self.label_secret.hide()
self.edit_secret.hide()
self.edit_secret.setEchoMode(QLineEdit.Password)
self.checkbox_secret_show.hide()
self.checkbox_secret_show.stateChanged.connect(self.secret_show_state_changed)
self.checkbox_remember_secret.hide()
if config.get_use_authentication():
self.checkbox_authentication.setCheckState(Qt.Checked)
if config.get_remember_secret():
self.edit_secret.setText(config.get_secret())
self.checkbox_remember_secret.setCheckState(Qt.Checked)
self.label_auto_reconnects.hide()
self.auto_reconnects = 0
def closeEvent(self, event):
self.exit_brickv()
def exit_brickv(self, signl=None, frme=None):
try:
uid = self.tab_widget.widget(self.last_tab)._uid
infos.infos[uid].plugin.stop()
except:
pass
host = str(self.combo_host.currentText())
history = []
for i in range(self.combo_host.count()):
h = str(self.combo_host.itemText(i))
if h != host and h not in history:
history.append(h)
config.set_host(host)
config.set_host_history(history[:HOST_HISTORY_SIZE - 1])
config.set_port(self.spinbox_port.value())
config.set_use_authentication(self.checkbox_authentication.isChecked())
remember_secret = self.checkbox_remember_secret.isChecked()
config.set_remember_secret(remember_secret)
if remember_secret:
config.set_secret(str(self.edit_secret.text()))
else:
config.set_secret(config.DEFAULT_SECRET)
self.reset_view()
try:
self.ipcon.disconnect()
except:
pass
if signl != None and frme != None:
print "Received SIGINT or SIGTERM, shutting down."
sys.exit()
def start(self):
pass
def stop(self):
pass
def destroy(self):
pass
def authentication_state_changed(self, state):
visible = state == Qt.Checked
self.label_secret.setVisible(visible)
self.edit_secret.setVisible(visible)
self.checkbox_secret_show.setVisible(visible)
self.checkbox_remember_secret.setVisible(visible)
def secret_show_state_changed(self, state):
if state == Qt.Checked:
self.edit_secret.setEchoMode(QLineEdit.Normal)
else:
self.edit_secret.setEchoMode(QLineEdit.Password)
def tab_changed(self, i):
try:
uid = self.tab_widget.widget(i)._uid
infos.infos[uid].plugin.start()
except:
pass
try:
uid = self.tab_widget.widget(self.last_tab)._uid
infos.infos[uid].plugin.stop()
except:
pass
self.last_tab = i
def reset_view(self):
self.tab_widget.setCurrentIndex(0)
keys_to_remove = []
for key in infos.infos:
if infos.infos[key].type in ('brick', 'bricklet'):
try:
infos.infos[key].plugin.stop()
except:
pass
try:
infos.infos[key].plugin.destroy()
except:
pass
keys_to_remove.append(key)
for key in keys_to_remove:
try:
infos.infos.pop(key)
except:
pass
for i in reversed(range(1, self.tab_widget.count())):
self.tab_widget.removeTab(i)
self.update_tree_view()
def do_disconnect(self):
self.auto_reconnects = 0
self.label_auto_reconnects.hide()
self.reset_view()
async_next_session()
try:
self.ipcon.disconnect()
except:
pass
def do_authenticate(self, is_auto_reconnect):
if not self.checkbox_authentication.isChecked():
return True
try:
secret = str(self.edit_secret.text()).encode('ascii')
except:
self.do_disconnect()
QMessageBox.critical(self, 'Connection',
'Authentication secret cannot contain non-ASCII characters.',
QMessageBox.Ok)
return False
self.ipcon.set_auto_reconnect(False) # don't auto-reconnect on authentication error
try:
self.ipcon.authenticate(secret)
except:
self.do_disconnect()
if is_auto_reconnect:
extra = ' after auto-reconnect'
else:
extra = ''
QMessageBox.critical(self, 'Connection',
'Could not authenticate' + extra + '. Check secret and ensure ' +
'authentication for Brick Daemon is enabled.',
QMessageBox.Ok)
return False
self.ipcon.set_auto_reconnect(True)
return True
def flashing_pressed(self):
first = False
if self.flashing_window is None:
first = True
self.flashing_window = FlashingWindow(self)
self.update_flashing_window()
self.flashing_window.show()
self.flashing_window.refresh_updates_pressed()
def advanced_pressed(self):
if self.advanced_window is None:
self.advanced_window = AdvancedWindow(self)
self.update_advanced_window()
self.advanced_window.show()
def connect_pressed(self):
if self.ipcon.get_connection_state() == IPConnection.CONNECTION_STATE_DISCONNECTED:
try:
self.last_host = self.combo_host.currentText()
self.last_port = self.spinbox_port.value()
self.button_connect.setDisabled(True)
self.button_connect.setText("Connecting ...")
self.button_connect.repaint()
QApplication.processEvents()
self.ipcon.connect(self.last_host, self.last_port)
except:
self.button_connect.setDisabled(False)
self.button_connect.setText("Connect")
QMessageBox.critical(self, 'Connection',
'Could not connect. Please check host, check ' +
'port and ensure that Brick Daemon is running.')
else:
self.do_disconnect()
def item_double_clicked(self, index):
text = str(index.data().toString())
i = self.tab_for_uid(text)
if i > 0:
self.tab_widget.setCurrentIndex(i)
def connected_uid_pressed(self, connected_uid):
i = self.tab_for_uid(connected_uid)
if i > 0:
self.tab_widget.setCurrentIndex(i)
def create_plugin_container(self, plugin, connected_uid, position):
container = QWidget()
container._uid = plugin.uid
layout = QVBoxLayout(container)
info = QHBoxLayout()
# uid
info.addWidget(QLabel('UID:'))
label = QLabel('{0}'.format(plugin.uid))
label.setTextInteractionFlags(Qt.TextSelectableByMouse |
Qt.TextSelectableByKeyboard)
info.addWidget(label)
info.addSpacerItem(QSpacerItem(1, 1, QSizePolicy.Expanding))
# connected uid
if connected_uid != '0':
info.addWidget(QLabel('Connected to:'))
button = QToolButton()
button.setText(connected_uid)
button.pressed.connect(lambda: self.connected_uid_pressed(connected_uid))
info.addWidget(button)
info.addSpacerItem(QSpacerItem(1, 1, QSizePolicy.Expanding))
# position
info.addWidget(QLabel('Position:'))
info.addWidget(QLabel('{0}'.format(position.upper())))
info.addSpacerItem(QSpacerItem(1, 1, QSizePolicy.Expanding))
# firmware version
info.addWidget(QLabel('FW Version:'))
info.addWidget(QLabel('{0}'.format(plugin.version_str)))
info.addSpacerItem(QSpacerItem(1, 1, QSizePolicy.Expanding))
# timeouts
info.addWidget(QLabel('Timeouts:'))
label_timeouts = QLabel('0')
info.addWidget(label_timeouts)
layout.addLayout(info)
if plugin.is_brick():
button = QPushButton('Reset')
if plugin.has_reset_device():
button.clicked.connect(plugin.reset_device)
else:
button.setDisabled(True)
info.addSpacerItem(QSpacerItem(40, 20, QSizePolicy.Expanding))
info.addWidget(button)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
plugin.label_timeouts = label_timeouts
plugin.layout().setContentsMargins(0, 0, 0, 0)
layout.addWidget(line)
layout.addWidget(plugin)
return container
def tab_for_uid(self, uid):
for i in range(1, self.tab_widget.count()):
try:
widget = self.tab_widget.widget(i)
if widget._uid == uid:
return i
except:
pass
return -1
def cb_enumerate(self, uid, connected_uid, position,
hardware_version, firmware_version,
device_identifier, enumeration_type):
if self.ipcon.get_connection_state() != IPConnection.CONNECTION_STATE_CONNECTED:
# ignore enumerate callbacks that arrived after the connection got closed
return
if enumeration_type in [IPConnection.ENUMERATION_TYPE_AVAILABLE,
IPConnection.ENUMERATION_TYPE_CONNECTED]:
if device_identifier == BrickMaster.DEVICE_IDENTIFIER:
info = infos.BrickMasterInfo()
elif position in ('a', 'b', 'c', 'd', 'A', 'B', 'C', 'D'):
position = position.lower()
info = infos.BrickletInfo()
else:
info = infos.BrickInfo()
if uid in infos.infos:
info = infos.infos[uid]
else:
infos.infos[uid] = info
for device in infos.infos.values():
if device.type == 'brick':
if info.type == 'bricklet':
if device.uid == connected_uid:
device.bricklets[position] = info
if device.type == 'bricklet':
if info.type == 'brick':
if uid == device.connected_uid:
info.bricklets[device.position] = device
info.uid = uid
info.connected_uid = connected_uid
info.position = position
info.hardware_version = hardware_version
info.firmware_version_installed = firmware_version
info.device_identifier = device_identifier
info.protocol_version = 2
info.enumeration_type = enumeration_type
for device in infos.infos.values():
if device.type in ('brick', 'bricklet'):
if device.uid == uid and device.plugin != None:
return
plugin = self.plugin_manager.get_plugin(device_identifier, self.ipcon,
uid, firmware_version)
if plugin is not None:
info.plugin = plugin
if plugin.is_hardware_version_relevant(hardware_version):
info.name = '{0} {1}.{2}'.format(plugin.name,
hardware_version[0],
hardware_version[1])
else:
info.name = plugin.name
info.url_part = plugin.get_url_part()
c = self.create_plugin_container(plugin, connected_uid, position)
info.plugin_container = c
self.tab_widget.addTab(c, info.name)
elif enumeration_type == IPConnection.ENUMERATION_TYPE_DISCONNECTED:
for device_info in infos.infos.values():
if device_info.type in ('brick', 'bricklet'):
if device_info.uid == uid:
try:
self.tab_widget.setCurrentIndex(0)
if device_info.plugin:
try:
device_info.plugin.stop()
except:
pass
try:
device_info.plugin.destroy()
except:
pass
i = self.tab_for_uid(device_info.uid)
self.tab_widget.removeTab(i)
except:
pass
if device_info.type == 'brick':
for port in device_info.bricklets:
if device_info.bricklets[port]:
if device_info.bricklets[port].uid == uid:
device_info.bricklets[port] = None
try:
infos.infos.pop(uid)
except:
pass
self.update_tree_view()
def cb_connected(self, connect_reason):
self.disconnect_times = []
self.update_ui_state()
if connect_reason == IPConnection.CONNECT_REASON_REQUEST:
self.auto_reconnects = 0
self.label_auto_reconnects.hide()
self.ipcon.set_auto_reconnect(True)
index = self.combo_host.findText(self.last_host)
if index >= 0:
self.combo_host.removeItem(index)
self.combo_host.insertItem(-1, self.last_host)
self.combo_host.setCurrentIndex(0)
while self.combo_host.count() > HOST_HISTORY_SIZE:
self.combo_host.removeItem(self.combo_host.count() - 1)
if not self.do_authenticate(False):
return
try:
self.ipcon.enumerate()
except:
self.update_ui_state()
elif connect_reason == IPConnection.CONNECT_REASON_AUTO_RECONNECT:
self.auto_reconnects += 1
self.label_auto_reconnects.setText('Auto-Reconnect Count: {0}'.format(self.auto_reconnects))
self.label_auto_reconnects.show()
if not self.do_authenticate(True):
return
try:
self.ipcon.enumerate()
except:
self.update_ui_state()
else:
try:
self.ipcon.enumerate()
except:
self.update_ui_state()
def cb_disconnected(self, disconnect_reason):
if disconnect_reason == IPConnection.DISCONNECT_REASON_REQUEST:
self.auto_reconnects = 0
self.label_auto_reconnects.hide()
if disconnect_reason == IPConnection.DISCONNECT_REASON_REQUEST or not self.ipcon.get_auto_reconnect():
self.update_ui_state()
elif len(self.disconnect_times) >= 3 and self.disconnect_times[-3] < time.time() + 1:
self.disconnect_times = []
self.ipcon.set_auto_reconnect(False)
self.update_ui_state()
self.reset_view()
QMessageBox.critical(self, 'Connection',
'Stopped automatic reconnecting due to multiple connection errors in a row.',
QMessageBox.Ok)
else:
self.disconnect_times.append(time.time())
self.update_ui_state(IPConnection.CONNECTION_STATE_PENDING)
def set_tree_view_defaults(self):
self.tree_view_model.setHorizontalHeaderLabels(self.tree_view_model_labels)
self.tree_view.expandAll()
self.tree_view.setColumnWidth(0, 260)
self.tree_view.setColumnWidth(1, 75)
self.tree_view.setColumnWidth(2, 85)
self.tree_view.setSortingEnabled(True)
self.tree_view.header().setSortIndicator(0, Qt.AscendingOrder)
def update_ui_state(self, connection_state=None):
# FIXME: need to call processEvents() otherwise get_connection_state()
# might return the wrong value
QApplication.processEvents()
if connection_state is None:
connection_state = self.ipcon.get_connection_state()
self.button_connect.setDisabled(False)
self.button_flashing.setDisabled(False)
if connection_state == IPConnection.CONNECTION_STATE_DISCONNECTED:
self.button_connect.setText('Connect')
self.combo_host.setDisabled(False)
self.spinbox_port.setDisabled(False)
self.checkbox_authentication.setDisabled(False)
self.edit_secret.setDisabled(False)
self.button_advanced.setDisabled(True)
elif connection_state == IPConnection.CONNECTION_STATE_CONNECTED:
self.button_connect.setText("Disconnect")
self.combo_host.setDisabled(True)
self.spinbox_port.setDisabled(True)
self.checkbox_authentication.setDisabled(True)
self.edit_secret.setDisabled(True)
self.update_advanced_window(False)
elif connection_state == IPConnection.CONNECTION_STATE_PENDING:
self.button_connect.setText('Abort Pending Automatic Reconnect')
self.combo_host.setDisabled(True)
self.spinbox_port.setDisabled(True)
self.checkbox_authentication.setDisabled(True)
self.edit_secret.setDisabled(True)
self.button_advanced.setDisabled(True)
self.button_flashing.setDisabled(True)
enable = connection_state == IPConnection.CONNECTION_STATE_CONNECTED
for i in range(1, self.tab_widget.count()):
self.tab_widget.setTabEnabled(i, enable)
QApplication.processEvents()
def update_tree_view(self):
self.tree_view_model.clear()
for device_info in sorted(infos.infos.values(), cmp=lambda x, y: cmp(x.name, y.name)):
if device_info.type == 'brick':
parent = [QStandardItem(device_info.name),
QStandardItem(device_info.uid),
QStandardItem('.'.join(map(str, device_info.firmware_version_installed)))]
for item in parent:
item.setFlags(item.flags() & ~Qt.ItemIsEditable)
self.tree_view_model.appendRow(parent)
for port in sorted(device_info.bricklets):
if device_info.bricklets[port] and device_info.bricklets[port].protocol_version == 2:
child = [QStandardItem(port.upper() + ': ' +device_info.bricklets[port].name),
QStandardItem(device_info.bricklets[port].uid),
QStandardItem('.'.join(map(str, device_info.bricklets[port].firmware_version_installed)))]
for item in child:
item.setFlags(item.flags() & ~Qt.ItemIsEditable)
parent[0].appendRow(child)
self.set_tree_view_defaults()
self.update_flashing_window()
self.update_advanced_window()
self.delayed_refresh_updates_timer.start()
def update_flashing_window(self):
if self.flashing_window is not None:
self.flashing_window.update_bricks()
def update_advanced_window(self, update_window=True):
has_brick = False
for info in infos.infos.values():
if info.type == 'brick':
has_brick = True
self.button_advanced.setEnabled(has_brick)
if self.advanced_window is not None and update_window:
self.advanced_window.update_bricks()
def delayed_refresh_updates(self):
self.delayed_refresh_updates_timer.stop()
if self.flashing_window is not None and self.flashing_window.isVisible():
self.flashing_window.refresh_updates_pressed()
