def initUI(self):
self.setWindowTitle("查看回收站文件夹内容")
self.form = QVBoxLayout()
for item in iter(self.files):
ico = QPushButton(set_file_icon(item.name), item.name)
ico.setStyleSheet(
"QPushButton {border:none; background:transparent; color:black;}"
)
ico.adjustSize()
it = QLabel(f"<font color='#CCCCCC'>({item.size})</font>")
hbox = QHBoxLayout()
hbox.addWidget(ico)
hbox.addStretch(1)
hbox.addWidget(it)
self.form.addLayout(hbox)
self.form.setSpacing(10)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Orientation.Horizontal)
self.buttonBox.setStandardButtons(
QDialogButtonBox.StandardButton.Close)
self.buttonBox.button(
QDialogButtonBox.StandardButton.Close).setText("关闭")
self.buttonBox.setStyleSheet(btn_style)
self.buttonBox.rejected.connect(self.reject)
vbox = QVBoxLayout()
vbox.addLayout(self.form)
vbox.addStretch(1)
vbox.addWidget(self.buttonBox)
self.setLayout(vbox)
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
# region Create CartPole instance and load initial settings
# Create CartPole instance
self.initial_state = create_cartpole_state()
self.CartPoleInstance = CartPole(initial_state=self.initial_state)
# Set timescales
self.CartPoleInstance.dt_simulation = dt_simulation
self.CartPoleInstance.dt_controller = controller_update_interval
self.CartPoleInstance.dt_save = save_interval
# set other settings
self.CartPoleInstance.set_controller(controller_init)
self.CartPoleInstance.stop_at_90 = stop_at_90_init
self.set_random_experiment_generator_init_params()
# endregion
# region Decide whether to save the data in "CartPole memory" or not
self.save_history = save_history_init
self.show_experiment_summary = show_experiment_summary_init
if self.save_history or self.show_experiment_summary:
self.CartPoleInstance.save_data_in_cart = True
else:
self.CartPoleInstance.save_data_in_cart = False
# endregion
# region Other variables initial values as provided in gui_default_parameters.py
# Start user controlled experiment/ start random experiment/ load and replay - on start button
self.simulator_mode = simulator_mode_init
self.slider_on_click = slider_on_click_init # Update slider on click/update slider while hoovering over it
self.speedup = speedup_init # Default simulation speed-up
# endregion
# region Initialize loop-timer
# This timer allows to relate the simulation time to user time
# And (if your computer is fast enough) run simulation
# slower or faster than real-time by predefined factor (speedup)
self.looper = loop_timer(
dt_target=(self.CartPoleInstance.dt_simulation / self.speedup))
# endregion
# region Variables controlling the state of various processes (DO NOT MODIFY)
self.terminate_experiment_or_replay_thread = False # True: gives signal causing thread to terminate
self.pause_experiment_or_replay_thread = False # True: gives signal causing the thread to pause
self.run_set_labels_thread = True # True if gauges (labels) keep being repeatedly updated
# Stop threads by setting False
# Flag indicating if the "START! / STOP!" button should act as start or as stop when pressed.
# Can take values "START!" or "STOP!"
self.start_or_stop_action = "START!"
# Flag indicating whether the pause button should pause or unpause.
self.pause_or_unpause_action = "PAUSE"
# Flag indicating that saving of experiment recording to csv file has finished
self.experiment_or_replay_thread_terminated = False
self.user_time_counter = 0 # Measures the user time
# Slider instant value (which is draw in GUI) differs from value saved in CartPole instance
# if the option updating slider "on-click" is enabled.
self.slider_instant_value = self.CartPoleInstance.slider_value
self.noise = 'OFF'
self.CartPoleInstance.NoiseAdderInstance.noise_mode = self.noise
# endregion
# region Create GUI Layout
# region - Create container for top level layout
layout = QVBoxLayout()
# endregion
# region - Change geometry of the main window
self.setGeometry(300, 300, 2500, 1000)
# endregion
# region - Matplotlib figures (CartPole drawing and Slider)
# Draw Figure
self.fig = Figure(
figsize=(25, 10)
) # Regulates the size of Figure in inches, before scaling to window size.
self.canvas = FigureCanvas(self.fig)
self.fig.AxCart = self.canvas.figure.add_subplot(211)
self.fig.AxSlider = self.canvas.figure.add_subplot(212)
self.fig.AxSlider.set_ylim(0, 1)
self.CartPoleInstance.draw_constant_elements(self.fig, self.fig.AxCart,
self.fig.AxSlider)
# Attach figure to the layout
lf = QVBoxLayout()
lf.addWidget(self.canvas)
# endregion
# region - Radio buttons selecting current controller
self.rbs_controllers = []
for controller_name in self.CartPoleInstance.controller_names:
self.rbs_controllers.append(QRadioButton(controller_name))
# Ensures that radio buttons are exclusive
self.controllers_buttons_group = QButtonGroup()
for button in self.rbs_controllers:
self.controllers_buttons_group.addButton(button)
lr_c = QVBoxLayout()
lr_c.addStretch(1)
for rb in self.rbs_controllers:
rb.clicked.connect(self.RadioButtons_controller_selection)
lr_c.addWidget(rb)
lr_c.addStretch(1)
self.rbs_controllers[self.CartPoleInstance.controller_idx].setChecked(
True)
# endregion
# region - Create central part of the layout for figures and radio buttons and add it to the whole layout
lc = QHBoxLayout()
lc.addLayout(lf)
lc.addLayout(lr_c)
layout.addLayout(lc)
# endregion
# region - Gauges displaying current values of various states and parameters (time, velocity, angle,...)
# First row
ld = QHBoxLayout()
# User time
self.labTime = QLabel("User's time (s): ")
self.timer = QTimer()
self.timer.setInterval(100) # Tick every 1/10 of the second
self.timer.timeout.connect(self.set_user_time_label)
self.timer.start()
ld.addWidget(self.labTime)
# Speed, angle, motor power (Q)
self.labSpeed = QLabel('Speed (m/s):')
self.labAngle = QLabel('Angle (deg):')
self.labMotor = QLabel('')
self.labTargetPosition = QLabel('')
ld.addWidget(self.labSpeed)
ld.addWidget(self.labAngle)
ld.addWidget(self.labMotor)
ld.addWidget(self.labTargetPosition)
layout.addLayout(ld)
# Second row of labels
# Simulation time, Measured (real) speed-up, slider-value
ld2 = QHBoxLayout()
self.labTimeSim = QLabel('Simulation Time (s):')
ld2.addWidget(self.labTimeSim)
self.labSpeedUp = QLabel('Speed-up (measured):')
ld2.addWidget(self.labSpeedUp)
self.labSliderInstant = QLabel('')
ld2.addWidget(self.labSliderInstant)
layout.addLayout(ld2)
# endregion
# region - Buttons "START!" / "STOP!", "PAUSE", "QUIT"
self.bss = QPushButton("START!")
self.bss.pressed.connect(self.start_stop_button)
self.bp = QPushButton("PAUSE")
self.bp.pressed.connect(self.pause_unpause_button)
bq = QPushButton("QUIT")
bq.pressed.connect(self.quit_application)
lspb = QHBoxLayout() # Sub-Layout for Start/Stop and Pause Buttons
lspb.addWidget(self.bss)
lspb.addWidget(self.bp)
# endregion
# region - Sliders setting initial state and buttons for kicking the pole
# Sliders setting initial position and angle
lb = QVBoxLayout() # Layout for buttons
lb.addLayout(lspb)
lb.addWidget(bq)
ip = QHBoxLayout() # Layout for initial position sliders
self.initial_position_slider = QSlider(
orientation=Qt.Orientation.Horizontal)
self.initial_position_slider.setRange(
-int(float(1000 * TrackHalfLength)),
int(float(1000 * TrackHalfLength)))
self.initial_position_slider.setValue(0)
self.initial_position_slider.setSingleStep(1)
self.initial_position_slider.valueChanged.connect(
self.update_initial_position)
self.initial_angle_slider = QSlider(
orientation=Qt.Orientation.Horizontal)
self.initial_angle_slider.setRange(-int(float(100 * np.pi)),
int(float(100 * np.pi)))
self.initial_angle_slider.setValue(0)
self.initial_angle_slider.setSingleStep(1)
self.initial_angle_slider.valueChanged.connect(
self.update_initial_angle)
ip.addWidget(QLabel("Initial position:"))
ip.addWidget(self.initial_position_slider)
ip.addWidget(QLabel("Initial angle:"))
ip.addWidget(self.initial_angle_slider)
ip.addStretch(0.01)
# Slider setting latency
self.LATENCY_SLIDER_RANGE_INT = 1000
self.latency_slider = QSlider(orientation=Qt.Orientation.Horizontal)
self.latency_slider.setRange(0, self.LATENCY_SLIDER_RANGE_INT)
self.latency_slider.setValue(
int(self.CartPoleInstance.LatencyAdderInstance.latency *
self.LATENCY_SLIDER_RANGE_INT /
self.CartPoleInstance.LatencyAdderInstance.max_latency))
self.latency_slider.setSingleStep(1)
self.latency_slider.valueChanged.connect(self.update_latency)
ip.addWidget(QLabel("Latency:"))
ip.addWidget(self.latency_slider)
self.labLatency = QLabel('Latency (ms): {:.1f}'.format(
self.CartPoleInstance.LatencyAdderInstance.latency * 1000))
ip.addWidget(self.labLatency)
# Buttons activating noise
self.rbs_noise = []
for mode_name in ['ON', 'OFF']:
self.rbs_noise.append(QRadioButton(mode_name))
# Ensures that radio buttons are exclusive
self.noise_buttons_group = QButtonGroup()
for button in self.rbs_noise:
self.noise_buttons_group.addButton(button)
lr_n = QHBoxLayout()
lr_n.addWidget(QLabel('Noise:'))
for rb in self.rbs_noise:
rb.clicked.connect(self.RadioButtons_noise_on_off)
lr_n.addWidget(rb)
self.rbs_noise[1].setChecked(True)
ip.addStretch(0.01)
ip.addLayout(lr_n)
ip.addStretch(0.01)
# Buttons giving kick to the pole
kick_label = QLabel("Kick pole:")
kick_left_button = QPushButton()
kick_left_button.setText("Left")
kick_left_button.adjustSize()
kick_left_button.clicked.connect(self.kick_pole)
kick_right_button = QPushButton()
kick_right_button.setText("Right")
kick_right_button.adjustSize()
kick_right_button.clicked.connect(self.kick_pole)
ip.addWidget(kick_label)
ip.addWidget(kick_left_button)
ip.addWidget(kick_right_button)
lb.addLayout(ip)
layout.addLayout(lb)
# endregion
# region - Text boxes and Combobox to provide settings concerning generation of random experiment
l_generate_trace = QHBoxLayout()
l_generate_trace.addWidget(QLabel('Random experiment settings:'))
l_generate_trace.addWidget(QLabel('Length (s):'))
self.textbox_length = QLineEdit()
l_generate_trace.addWidget(self.textbox_length)
l_generate_trace.addWidget(QLabel('Turning Points (m):'))
self.textbox_turning_points = QLineEdit()
l_generate_trace.addWidget(self.textbox_turning_points)
l_generate_trace.addWidget(QLabel('Interpolation:'))
self.cb_interpolation = QComboBox()
self.cb_interpolation.addItems(
['0-derivative-smooth', 'linear', 'previous'])
self.cb_interpolation.currentIndexChanged.connect(
self.cb_interpolation_selectionchange)
self.cb_interpolation.setCurrentText(
self.CartPoleInstance.interpolation_type)
l_generate_trace.addWidget(self.cb_interpolation)
layout.addLayout(l_generate_trace)
# endregion
# region - Textbox to provide csv file name for saving or loading data
l_text = QHBoxLayout()
textbox_title = QLabel('CSV file name:')
self.textbox = QLineEdit()
l_text.addWidget(textbox_title)
l_text.addWidget(self.textbox)
layout.addLayout(l_text)
# endregion
# region - Make strip of layout for checkboxes
l_cb = QHBoxLayout()
# endregion
# region - Textbox to provide the target speed-up value
l_text_speedup = QHBoxLayout()
tx_speedup_title = QLabel('Speed-up (target):')
self.tx_speedup = QLineEdit()
l_text_speedup.addWidget(tx_speedup_title)
l_text_speedup.addWidget(self.tx_speedup)
self.tx_speedup.setText(str(self.speedup))
l_cb.addLayout(l_text_speedup)
self.wrong_speedup_msg = QMessageBox()
self.wrong_speedup_msg.setWindowTitle("Speed-up value problem")
self.wrong_speedup_msg.setIcon(QMessageBox.Icon.Critical)
# endregion
# region - Checkboxes
# region -- Checkbox: Save/don't save experiment recording
self.cb_save_history = QCheckBox('Save results', self)
if self.save_history:
self.cb_save_history.toggle()
self.cb_save_history.toggled.connect(self.cb_save_history_f)
l_cb.addWidget(self.cb_save_history)
# endregion
# region -- Checkbox: Display plots showing dynamic evolution of the system as soon as experiment terminates
self.cb_show_experiment_summary = QCheckBox('Show experiment summary',
self)
if self.show_experiment_summary:
self.cb_show_experiment_summary.toggle()
self.cb_show_experiment_summary.toggled.connect(
self.cb_show_experiment_summary_f)
l_cb.addWidget(self.cb_show_experiment_summary)
# endregion
# region -- Checkbox: Block pole if it reaches +/-90 deg
self.cb_stop_at_90_deg = QCheckBox('Stop-at-90-deg', self)
if self.CartPoleInstance.stop_at_90:
self.cb_stop_at_90_deg.toggle()
self.cb_stop_at_90_deg.toggled.connect(self.cb_stop_at_90_deg_f)
l_cb.addWidget(self.cb_stop_at_90_deg)
# endregion
# region -- Checkbox: Update slider on click/update slider while hoovering over it
self.cb_slider_on_click = QCheckBox('Update slider on click', self)
if self.slider_on_click:
self.cb_slider_on_click.toggle()
self.cb_slider_on_click.toggled.connect(self.cb_slider_on_click_f)
l_cb.addWidget(self.cb_slider_on_click)
# endregion
# endregion
# region - Radio buttons selecting simulator mode: user defined experiment, random experiment, replay
# List available simulator modes - constant
self.available_simulator_modes = [
'Slider-Controlled Experiment', 'Random Experiment', 'Replay'
]
self.rbs_simulator_mode = []
for mode_name in self.available_simulator_modes:
self.rbs_simulator_mode.append(QRadioButton(mode_name))
# Ensures that radio buttons are exclusive
self.simulator_mode_buttons_group = QButtonGroup()
for button in self.rbs_simulator_mode:
self.simulator_mode_buttons_group.addButton(button)
lr_sm = QHBoxLayout()
lr_sm.addStretch(1)
lr_sm.addWidget(QLabel('Simulator mode:'))
for rb in self.rbs_simulator_mode:
rb.clicked.connect(self.RadioButtons_simulator_mode)
lr_sm.addWidget(rb)
lr_sm.addStretch(1)
self.rbs_simulator_mode[self.available_simulator_modes.index(
self.simulator_mode)].setChecked(True)
l_cb.addStretch(1)
l_cb.addLayout(lr_sm)
l_cb.addStretch(1)
# endregion
# region - Add checkboxes to layout
layout.addLayout(l_cb)
# endregion
# region - Create an instance of a GUI window
w = QWidget()
w.setLayout(layout)
self.setCentralWidget(w)
self.show()
self.setWindowTitle('CartPole Simulator')
# endregion
# endregion
# region Open controller-specific popup windows
self.open_additional_controller_widget()
# endregion
# region Activate functions capturing mouse movements and clicks over the slider
# This line links function capturing the mouse position on the canvas of the Figure
self.canvas.mpl_connect("motion_notify_event", self.on_mouse_movement)
# This line links function capturing the mouse position on the canvas of the Figure click
self.canvas.mpl_connect("button_press_event", self.on_mouse_click)
# endregion
# region Introducing multithreading
# To ensure smooth functioning of the app,
# the calculations and redrawing of the figures have to be done in a different thread
# than the one capturing the mouse position and running the animation
self.threadpool = QThreadPool()
# endregion
# region Starts a thread repeatedly redrawing gauges (labels) of the GUI
# It runs till the QUIT button is pressed
worker_labels = Worker(self.set_labels_thread)
self.threadpool.start(worker_labels)
# endregion
# region Start animation repeatedly redrawing changing elements of matplotlib figures (CartPole drawing and slider)
# This animation runs ALWAYS when the GUI is open
# The buttons of GUI only decide if new parameters are calculated or not
self.anim = self.CartPoleInstance.run_animation(self.fig)
