def createSlider(self, minimum, maximum, default_value, tick_interval): """ Create a QtSlider with specified properties Parameters: @param minimum Minimum value for slider @param maximum Maximum value for slider @param default_value Initial value the slider is set to @param tick_inverval Integer value specifying difference between successive ticks @return Slider value """ slider = QSlider(Qt.Horizontal) slider.setMinimum(minimum) slider.setMaximum(maximum) slider.setValue(default_value) slider.setTickPosition(QSlider.TicksBelow) slider.setTickInterval(tick_interval) return slider
def __init__(self, title, jsp, num_rows=0): super(JointStatePublisherGui, self).__init__() self.jsp = jsp self.joint_map = {} self.vlayout = QVBoxLayout(self) self.scrollable = QWidget() self.gridlayout = QGridLayout() self.scroll = QScrollArea() self.scroll.setWidgetResizable(True) font = QFont("Helvetica", 9, QFont.Bold) ### Generate sliders ### sliders = [] for name in self.jsp.joint_list: if name not in self.jsp.free_joints: continue joint = self.jsp.free_joints[name] if joint['min'] == joint['max']: continue joint_layout = QVBoxLayout() row_layout = QHBoxLayout() label = QLabel(name) label.setFont(font) row_layout.addWidget(label) display = QLineEdit("0.00") display.setAlignment(Qt.AlignRight) display.setFont(font) display.setReadOnly(True) row_layout.addWidget(display) joint_layout.addLayout(row_layout) slider = QSlider(Qt.Horizontal) slider.setFont(font) slider.setRange(0, RANGE) slider.setValue(RANGE / 2) joint_layout.addWidget(slider) self.joint_map[name] = { 'slidervalue': 0, 'display': display, 'slider': slider, 'joint': joint } # Connect to the signal provided by QSignal slider.valueChanged.connect( lambda event, name=name: self.onValueChangedOne(name)) sliders.append(joint_layout) # Determine number of rows to be used in grid self.num_rows = num_rows # if desired num of rows wasn't set, default behaviour is a vertical layout if self.num_rows == 0: self.num_rows = len(sliders) # equals VBoxLayout # Generate positions in grid and place sliders there self.positions = self.generate_grid_positions(len(sliders), self.num_rows) for item, pos in zip(sliders, self.positions): self.gridlayout.addLayout(item, *pos) # Set zero positions read from parameters self.center() # Synchronize slider and displayed value self.sliderUpdate(None) # Set up a signal for updating the sliders based on external joint info self.sliderUpdateTrigger.connect(self.updateSliders) self.scrollable.setLayout(self.gridlayout) self.scroll.setWidget(self.scrollable) self.vlayout.addWidget(self.scroll) # Buttons for randomizing and centering sliders and # Spinbox for on-the-fly selecting number of rows self.randbutton = QPushButton('Randomize', self) self.randbutton.clicked.connect(self.randomize_event) self.vlayout.addWidget(self.randbutton) self.ctrbutton = QPushButton('Center', self) self.ctrbutton.clicked.connect(self.center_event) self.vlayout.addWidget(self.ctrbutton) self.maxrowsupdown = QSpinBox() self.maxrowsupdown.setMinimum(1) self.maxrowsupdown.setMaximum(len(sliders)) self.maxrowsupdown.setValue(self.num_rows) self.maxrowsupdown.valueChanged.connect(self.reorggrid_event) self.vlayout.addWidget(self.maxrowsupdown) self.setLayout(self.vlayout)
def init_sliders(self): sliderbox = self._widget.findChild(QLayout, 'Sliders') graph_button = QPushButton() graph_button.setCheckable(True) graph_button.setText("Graph Off") graph_button.toggle() graph_button.clicked.connect(self.set_graph_state) self.graph_button = graph_button firstCol = QVBoxLayout() firstCol.addWidget(graph_button) sliderbox.addLayout(firstCol) self.sliders = [] all_rows_layout = QVBoxLayout() chan_idx = 0 for num_channels_row in self.settings['num_channels']: row_layout = QHBoxLayout() for i in range(num_channels_row): idx = chan_idx * 1 slider_group = { 'slider_p': None, 'number_p': None, 'slider_v': None, 'number_v': None, 'on_off': None } layout_cluster = QVBoxLayout() slider_cluster = QHBoxLayout() label = QLabel() label.setText("Chan. %d" % (idx + 1)) label.setAlignment(Qt.AlignCenter) layout_cluster.addWidget(label) for j in range(2): layout = QVBoxLayout() layout.setAlignment(Qt.AlignHCenter) slider = QSlider(Qt.Vertical) slider.setMinimum(0) slider.setMaximum(255) slider.setValue( self.settings['valve_offsets'][chan_idx][j]) slider.setTickPosition(QSlider.TicksRight) slider.setTickInterval(5) spinbox = QSpinBox() spinbox.setRange(0, 255) spinbox.setValue( self.settings['valve_offsets'][chan_idx][j]) slider.valueChanged.connect(spinbox.setValue) spinbox.valueChanged.connect(slider.setValue) cb_function_curr = lambda value, idx=idx: self.send_slider_value( idx, value) slider.valueChanged.connect(cb_function_curr) label = QLabel() label.setAlignment(Qt.AlignCenter) if j == 0: slider_group['slider_p'] = slider slider_group['number_p'] = spinbox label.setText("P") else: slider_group['slider_v'] = slider slider_group['number_v'] = spinbox label.setText("V") labelmax = QLabel() labelmax.setAlignment(Qt.AlignCenter) labelmax.setText("255") labelmin = QLabel() labelmin.setAlignment(Qt.AlignCenter) labelmin.setText("0") layout.addWidget(label) layout.addWidget(labelmax) layout.addWidget(slider, Qt.AlignHCenter) layout.addWidget(labelmin) layout.addWidget(spinbox, Qt.AlignHCenter) layout.setAlignment(slider, Qt.AlignHCenter) layout.setAlignment(spinbox, Qt.AlignHCenter) slider_cluster.addLayout(layout) on_button = QPushButton() on_button.setCheckable(True) on_button.setText("Off") if self.settings['channel_states'][chan_idx]: on_button.toggle() on_button.setText("On") on_button.clicked.connect( lambda state, idx=idx: self.send_channel_state(idx, state)) slider_group['on_off'] = on_button layout_cluster.addLayout(slider_cluster) layout_cluster.addWidget(on_button) row_layout.addLayout(layout_cluster) row_layout.addSpacing(20) self.sliders.append(slider_group) chan_idx += 1 all_rows_layout.addLayout(row_layout) sliderbox.addLayout(all_rows_layout)
def init_sliders(self): sliderbox = self._widget.findChild(QLayout, 'Sliders') firstCol = QVBoxLayout() graph_button = QPushButton() graph_button.setCheckable(True) graph_button.setText("Graph Off") graph_button.toggle() graph_button.clicked.connect(self.set_graph_state) reset_button = QPushButton() reset_button.setCheckable(False) reset_button.setText("Reset") reset_button.clicked.connect(self.set_reset) self.graph_button = graph_button self.reset_button = reset_button firstCol.addWidget(graph_button) firstCol.addWidget(reset_button) firstCol.setAlignment(graph_button, Qt.AlignVCenter) firstCol.setAlignment(reset_button, Qt.AlignVCenter) zero_button = QPushButton() zero_button.setCheckable(False) zero_button.setText("Set All Zero") zero_button.clicked.connect(self.set_pressure_zero) self.zero_button = zero_button firstCol.addWidget(zero_button) firstCol.setAlignment(zero_button, Qt.AlignVCenter) transition_box = QVBoxLayout() label = QLabel() label.setAlignment(Qt.AlignCenter) label.setText("Transition Time") spinbox = QDoubleSpinBox() spinbox.setMinimum(0) spinbox.setMaximum(10) spinbox.setValue(self.settings['transitions']) spinbox.setDecimals(1) spinbox.setSingleStep(0.1) spinbox.setSuffix(" sec") spinbox.valueChanged.connect(self.set_transition_value) transition_box.addWidget(label) transition_box.addWidget(spinbox) transition_box.setAlignment(label, Qt.AlignBottom) transition_box.setAlignment(spinbox, Qt.AlignTop) firstCol.addLayout(transition_box) self.sliders = [] sliderbox.addLayout(firstCol) all_rows_layout = QVBoxLayout() chan_idx = 0 for num_channels_row in self.settings['num_channels']: row_layout = QHBoxLayout() for i in range(num_channels_row): idx = chan_idx * 1 slider_group = {'slider': None, 'number': None, 'on_off': None} layout_cluster = QVBoxLayout() layout = QVBoxLayout() layout.setAlignment(Qt.AlignHCenter) slider = QSlider(Qt.Vertical) slider.setMinimum(self.settings['min_pressure'][idx] * 10.0) slider.setMaximum(self.settings['max_pressure'][idx] * 10.0) slider.setValue(0) slider.setTickPosition(QSlider.TicksRight) slider.setTickInterval(20) spinbox = QDoubleSpinBox() spinbox.setMinimum(self.settings['min_pressure'][idx]) spinbox.setMaximum(self.settings['max_pressure'][idx]) spinbox.setValue(0) spinbox.setDecimals(1) spinbox.setSingleStep(0.1) cb_function_curr = lambda value, idx=idx, slider=False: self.send_slider_value( idx, value, slider) cb_function_curr2 = lambda value, idx=idx, slider=True: self.send_slider_value( idx, value, slider) slider.valueChanged.connect(cb_function_curr2) spinbox.valueChanged.connect(cb_function_curr) labelmax = QLabel() labelmax.setAlignment(Qt.AlignCenter) labelmax.setText("%0.1f" % (self.settings['max_pressure'][idx])) labelmin = QLabel() labelmin.setAlignment(Qt.AlignCenter) labelmin.setText("%0.1f" % (self.settings['min_pressure'][idx])) layout.addWidget(labelmax) layout.addWidget(slider) layout.addWidget(labelmin) layout.addWidget(spinbox) layout.setAlignment(slider, Qt.AlignHCenter) layout.setAlignment(spinbox, Qt.AlignHCenter) label = QLabel() label.setText("Chan. %d" % (chan_idx + 1)) label.setAlignment(Qt.AlignCenter) layout_cluster.addWidget(label) layout_cluster.addLayout(layout) slider_group['slider'] = slider slider_group['number'] = spinbox on_button = QPushButton() on_button.setCheckable(True) on_button.setText("Off") if self.settings['channel_states'][idx]: on_button.toggle() on_button.setText("On") on_button.clicked.connect( lambda state, idx=idx: self.send_channel_state(idx, state)) slider_group['on_off'] = on_button layout_cluster.addWidget(on_button) row_layout.addLayout(layout_cluster) row_layout.addSpacing(20) self.sliders.append(slider_group) chan_idx += 1 all_rows_layout.addLayout(row_layout) sliderbox.addLayout(all_rows_layout)
def __init__(self, title, jsp, num_rows=0): super(JointStatePublisherGui, self).__init__() self.jsp = jsp self.joint_map = {} self.vlayout = QVBoxLayout(self) self.gridlayout = QGridLayout() font = QFont("Helvetica", 9, QFont.Bold) ### Generate sliders ### sliders = [] for name in self.jsp.joint_list: if name not in self.jsp.free_joints: continue joint = self.jsp.free_joints[name] if joint['min'] == joint['max']: continue joint_layout = QVBoxLayout() row_layout = QHBoxLayout() label = QLabel(name) label.setFont(font) row_layout.addWidget(label) display = QLineEdit("0.00") display.setAlignment(Qt.AlignRight) display.setFont(font) display.setReadOnly(True) row_layout.addWidget(display) joint_layout.addLayout(row_layout) slider = QSlider(Qt.Horizontal) slider.setFont(font) slider.setRange(0, RANGE) slider.setValue(RANGE/2) joint_layout.addWidget(slider) self.joint_map[name] = {'slidervalue': 0, 'display': display, 'slider': slider, 'joint': joint} # Connect to the signal provided by QSignal slider.valueChanged.connect(self.onValueChanged) sliders.append(joint_layout) # Determine number of rows to be used in grid self.num_rows = num_rows # if desired num of rows wasn't set, default behaviour is a vertical layout if self.num_rows == 0: self.num_rows = len(sliders) # equals VBoxLayout # Generate positions in grid and place sliders there self.positions = self.generate_grid_positions(len(sliders), self.num_rows) for item, pos in zip(sliders, self.positions): self.gridlayout.addLayout(item, *pos) # Set zero positions read from parameters self.center() # Synchronize slider and displayed value self.sliderUpdate(None) # Set up a signal for updating the sliders based on external joint info self.sliderUpdateTrigger.connect(self.updateSliders) self.vlayout.addLayout(self.gridlayout) # Buttons for randomizing and centering sliders and # Spinbox for on-the-fly selecting number of rows self.randbutton = QPushButton('Randomize', self) self.randbutton.clicked.connect(self.randomize_event) self.vlayout.addWidget(self.randbutton) self.ctrbutton = QPushButton('Center', self) self.ctrbutton.clicked.connect(self.center_event) self.vlayout.addWidget(self.ctrbutton) self.maxrowsupdown = QSpinBox() self.maxrowsupdown.setMinimum(1) self.maxrowsupdown.setMaximum(len(sliders)) self.maxrowsupdown.setValue(self.num_rows) self.maxrowsupdown.lineEdit().setReadOnly(True) # don't edit it by hand to avoid weird resizing of window self.maxrowsupdown.valueChanged.connect(self.reorggrid_event) self.vlayout.addWidget(self.maxrowsupdown)
def init_sliders(self): sliderbox = self._widget.findChild(QLayout, 'Sliders') graph_button = QPushButton() graph_button.setCheckable(True) graph_button.setText("Graph Off") graph_button.toggle() graph_button.clicked.connect(self.set_graph_state) self.graph_button = graph_button firstCol = QVBoxLayout() firstCol.addWidget(graph_button) sliderbox.addLayout(firstCol) self.sliders = [] all_rows_layout = QVBoxLayout() chan_idx = 0 for num_channels_row in self.settings['num_channels']: row_layout = QHBoxLayout() for i in range(num_channels_row): idx = chan_idx * 1 slider_group = { 'slider_p': None, 'number_p': None, 'slider_i': None, 'number_i': None, 'slider_d': None, 'number_d': None, 'on_off': None } layout_cluster = QVBoxLayout() slider_cluster = QHBoxLayout() label = QLabel() label.setText("Chan. %d" % (idx + 1)) label.setAlignment(Qt.AlignCenter) layout_cluster.addWidget(label) for j in range(3): layout = QVBoxLayout() layout.setAlignment(Qt.AlignHCenter) if j == 0: maxrange = 1.0 elif j == 1: maxrange = 10 elif j == 2: maxrange = 10 slider = QSlider(Qt.Vertical) slider.setMinimum(0) slider.setMaximum(maxrange * 100) slider.setValue(self.settings['pid_gains'][chan_idx][j] * 100) slider.setTickPosition(QSlider.TicksRight) slider.setTickInterval(maxrange / 100.0) spinbox = QDoubleSpinBox() spinbox.setMinimum(0) spinbox.setMaximum(maxrange) spinbox.setValue(self.settings['pid_gains'][chan_idx][j]) spinbox.setDecimals(2) spinbox.setSingleStep(maxrange / 100.0) cb_function_number = lambda value, idx=idx, gain_idx=j, slider=False: self.send_slider_value( idx, gain_idx, value, slider) cb_function_slider = lambda value, idx=idx, gain_idx=j, slider=True: self.send_slider_value( idx, gain_idx, value, slider) slider.valueChanged.connect(cb_function_slider) spinbox.valueChanged.connect(cb_function_number) label = QLabel() label.setAlignment(Qt.AlignCenter) if j == 0: slider_group['slider_p'] = slider slider_group['number_p'] = spinbox label.setText("P") elif j == 1: slider_group['slider_i'] = slider slider_group['number_i'] = spinbox label.setText("I") elif j == 2: slider_group['slider_d'] = slider slider_group['number_d'] = spinbox label.setText("D") labelmax = QLabel() labelmax.setAlignment(Qt.AlignCenter) labelmax.setText("%0.1f" % (maxrange)) labelmin = QLabel() labelmin.setAlignment(Qt.AlignCenter) labelmin.setText("0") layout.addWidget(label) layout.addWidget(labelmax) layout.addWidget(slider, Qt.AlignHCenter) layout.addWidget(labelmin) layout.addWidget(spinbox, Qt.AlignHCenter) layout.setAlignment(slider, Qt.AlignHCenter) layout.setAlignment(spinbox, Qt.AlignHCenter) slider_cluster.addLayout(layout) on_button = QPushButton() on_button.setCheckable(True) on_button.setText("Off") if self.settings['channel_states'][chan_idx]: on_button.toggle() on_button.setText("On") on_button.clicked.connect( lambda state, idx=idx: self.send_channel_state(idx, state)) slider_group['on_off'] = on_button layout_cluster.addLayout(slider_cluster) layout_cluster.addWidget(on_button) row_layout.addLayout(layout_cluster) row_layout.addSpacing(20) self.sliders.append(slider_group) chan_idx += 1 all_rows_layout.addLayout(row_layout) sliderbox.addLayout(all_rows_layout)
def __init__(self, content): super(SliderPublisher, self).__init__() content = content.replace('\t', ' ') # get message types self.publishers = {} self.values = {} pkgs = [] # to keep track of key ordering in the yaml file order = [] old = [] for topic, info in yaml.load(content).items(): pkg, msg = info['type'].split('/') pkgs.append(__import__(pkg, globals(), locals(), ['msg'])) self.publishers[topic] = Publisher(topic, getattr(pkgs[-1].msg, msg), info) order.append((topic, [])) for key in info: self.values[key] = info[key] order[-1][1].append((content.find(' ' + key + ':'), key)) old.append((content.find(' ' + key + ':'), key)) for bound in ['min', 'max']: self.values[key][bound] = float(self.values[key][bound]) self.values[key]['val'] = 0 order[-1][1].sort() order.sort(key=lambda x: x[1][0][0]) # build sliders - thanks joint_state_publisher sliderUpdateTrigger = Signal() self.vlayout = QVBoxLayout(self) self.gridlayout = QGridLayout() font = QFont("Helvetica", 9, QFont.Bold) topic_font = QFont("Helvetica", 10, QFont.Bold) sliders = [] self.key_map = {} y = 0 for topic, keys in order: topic_layout = QVBoxLayout() label = QLabel(topic) label.setFont(topic_font) topic_layout.addWidget(label) self.gridlayout.addLayout(topic_layout, *(y, 0)) y += 1 for idx, key in keys: key_layout = QVBoxLayout() row_layout = QHBoxLayout() label = QLabel(key) label.setFont(font) row_layout.addWidget(label) display = QLineEdit("0.00") display.setAlignment(Qt.AlignRight) display.setFont(font) display.setReadOnly(True) row_layout.addWidget(display) key_layout.addLayout(row_layout) slider = QSlider(Qt.Horizontal) slider.setFont(font) slider.setRange(0, RANGE) slider.setValue(RANGE / 2) key_layout.addWidget(slider) self.key_map[key] = { 'slidervalue': 0, 'display': display, 'slider': slider } slider.valueChanged.connect(self.onValueChanged) self.gridlayout.addLayout(key_layout, *(y, 0)) y += 1 #sliders.append(key_layout) # Generate positions in grid and place sliders there #self.positions = [(y,0) for y in range(len(sliders))] #for item, pos in zip(sliders, self.positions): # self.gridlayout.addLayout(item, *pos) self.vlayout.addLayout(self.gridlayout) self.ctrbutton = QPushButton('Center', self) self.ctrbutton.clicked.connect(self.center) self.vlayout.addWidget(self.ctrbutton) self.center(1)
def init_sliders(self): sliderbox = self._widget.findChild(QLayout,'Sliders') firstCol = QVBoxLayout() graph_button=QPushButton() graph_button.setCheckable(True) graph_button.setText("Graph Off") graph_button.toggle() graph_button.clicked.connect(self.set_graph_state) self.graph_button = graph_button reset_button=QPushButton() reset_button.setCheckable(False) reset_button.setText("Reset") reset_button.clicked.connect(self.set_reset) self.graph_button = graph_button self.reset_button = reset_button firstCol.addWidget(graph_button) firstCol.addWidget(reset_button) firstCol.addWidget(graph_button) firstCol.setAlignment(graph_button,Qt.AlignVCenter) zero_button=QPushButton() zero_button.setCheckable(False) zero_button.setText("Set All Zero") zero_button.clicked.connect(self.set_pressure_zero) self.zero_button = zero_button firstCol.addWidget(zero_button) firstCol.setAlignment(zero_button,Qt.AlignVCenter) transition_box = QVBoxLayout() label = QLabel() label.setAlignment(Qt.AlignCenter) label.setText("Transition Time") spinbox = QDoubleSpinBox() spinbox.setMinimum(0) spinbox.setMaximum(10) spinbox.setValue(self.settings['transitions']) spinbox.setDecimals(1) spinbox.setSingleStep(0.1) spinbox.setSuffix(" sec") spinbox.valueChanged.connect(self.set_transition_value) transition_box.addWidget(label) transition_box.addWidget(spinbox) transition_box.setAlignment(label,Qt.AlignBottom) transition_box.setAlignment(spinbox,Qt.AlignTop) firstCol.addLayout(transition_box) self.sliders = [] sliderbox.addLayout(firstCol) all_rows_layout = QVBoxLayout() g_idx = 0 for row in self.settings['gui_config']: num_groups_row = len(row) row_layout = QHBoxLayout() for gr_idx, s_group in enumerate(row): g_channels = s_group['channels'] g_layout = s_group['layout'] if 'horiz' in g_layout: group_layout = QHBoxLayout() else: group_layout = QVBoxLayout() control_group = {'sliders': [], 'on_off': None} label = QLabel() label.setText("Group. %d"%(g_idx+1)) label.setAlignment(Qt.AlignCenter) group_layout.addWidget(label) for c_idx, s_idx in enumerate(g_channels): idx = s_idx*1 slider_group={'slider':None, 'number':None} layout_cluster = QVBoxLayout() labelfirst = QLabel() labelfirst.setAlignment(Qt.AlignCenter) labellast = QLabel() labellast.setAlignment(Qt.AlignCenter) layout = QVBoxLayout() if 'diff' in g_layout and c_idx == 0: sublayout=QHBoxLayout() layout.setAlignment(Qt.AlignVCenter) slider = QSlider(Qt.Horizontal) slider.setMinimum(-100) slider.setMaximum(100) slider.setValue(0) slider.setTickPosition(QSlider.TicksRight) slider.setTickInterval(20) spinbox = QDoubleSpinBox() spinbox.setMinimum(-10) spinbox.setMaximum(10) spinbox.setValue(0) spinbox.setDecimals(1) spinbox.setSingleStep(0.1) labellast.setText("%0.1f"%(10)) # These are flipped becasue of order labelfirst.setText("%0.1f"%(-10)) max_label = labellast min_label = labelfirst else: layout.setAlignment(Qt.AlignHCenter) slider = QSlider(Qt.Vertical) slider.setMinimum(self.settings['min_pressure'][idx]*10.0) slider.setMaximum(self.settings['max_pressure'][idx]*10.0) slider.setValue(0) slider.setTickPosition(QSlider.TicksRight) slider.setTickInterval(20) spinbox = QDoubleSpinBox() spinbox.setMinimum(self.settings['min_pressure'][idx]) spinbox.setMaximum(self.settings['max_pressure'][idx]) spinbox.setValue(0) spinbox.setDecimals(1) spinbox.setSingleStep(0.1) labelfirst.setText("%0.1f"%(self.settings['max_pressure'][idx])) labellast.setText("%0.1f"%(self.settings['min_pressure'][idx])) max_label = labelfirst min_label = labellast cb_function_number = lambda value, g_idx=g_idx, s_idx=c_idx, slider=False: self.send_slider_value(g_idx,s_idx,value,slider) cb_function_slider = lambda value, g_idx=g_idx, s_idx=c_idx, slider=True: self.send_slider_value(g_idx,s_idx,value,slider) slider.valueChanged.connect(cb_function_slider) spinbox.valueChanged.connect(cb_function_number) if 'diff' in g_layout and c_idx == 0: sublayout.addWidget(labelfirst) sublayout.addWidget(slider) sublayout.addWidget(labellast) layout.addWidget(spinbox) layout.addLayout(sublayout) else: layout.addWidget(labelfirst) layout.addWidget(slider) layout.addWidget(labellast) layout.addWidget(spinbox) layout.setAlignment(slider, Qt.AlignHCenter) layout.setAlignment(spinbox, Qt.AlignHCenter) layout_cluster.addLayout(layout) slider_group['slider'] = slider slider_group['number'] = spinbox slider_group['max_label'] = max_label slider_group['min_label'] = min_label control_group['sliders'].append(slider_group) group_layout.addLayout(layout_cluster) on_button=QPushButton() on_button.setCheckable(True) on_button.setText("Off") if self.settings['channel_states'][idx]: on_button.toggle() on_button.setText("On") on_button.clicked.connect(lambda state, g_idx=g_idx: self.send_channel_state(g_idx,state)) group_layout.addWidget(on_button) row_layout.addLayout(group_layout) row_layout.addSpacing(20) control_group['on_off'] = on_button self.sliders.append(control_group) g_idx+=1 all_rows_layout.addLayout(row_layout) sliderbox.addLayout(all_rows_layout)