class SerialPortSelector(QWidget):
open_port = pyqtSignal(str, int)
close_port = pyqtSignal()
def __init__(self, *args):
super(SerialPortSelector, self).__init__(*args)
self.disabled = False
self.init_ui()
self.add_ports()
def init_ui(self):
layout = QHBoxLayout()
self.setLayout(layout)
self.ports_list_combobox = QComboBox()
layout.addWidget(self.ports_list_combobox)
self.baud_rate_combobox = QComboBox()
self.baud_rate_combobox.addItems([
'300', '600', '1200', '2400', '4800', '9600', '19200', '38400',
'43000', '56000', '57600', '115200'
])
self.baud_rate_combobox.setCurrentText('115200')
self.baud_rate_combobox.setEditable(True)
layout.addWidget(self.baud_rate_combobox)
self.open_btn = QPushButton('打开')
self.open_btn.clicked.connect(self.handle_open_port)
layout.addWidget(self.open_btn)
self.refresh_btn = QPushButton('刷新')
self.refresh_btn.clicked.connect(self.add_ports)
layout.addWidget(self.refresh_btn)
def add_ports(self):
self.ports_list_combobox.clear()
for port in comports(False):
self.ports_list_combobox.addItem(port.name, port)
def handle_open_port(self):
if self.disabled:
self.close_port.emit()
else:
port = self.ports_list_combobox.currentText()
if port == "":
return
baud_rate = int(self.baud_rate_combobox.currentText())
self.open_port.emit(port, baud_rate)
def set_disable(self, b):
self.disabled = b
self.ports_list_combobox.setDisabled(b)
self.baud_rate_combobox.setDisabled(b)
if self.disabled:
self.open_btn.setText('关闭')
else:
self.open_btn.setText('打开')
class MainWindow(QMainWindow):
def __init__(self, admin_or_not=None):
""" MainWindow Constructor """
super().__init__()
self.admin_or_not = admin_or_not # Used to grant the user admin privileges
self.curr_proxy_model = None # Variable that refers to the current page's proxy mmodel
self.initializeUI()
def initializeUI(self):
"""Set up the GUI's main window."""
self.setWindowTitle("Database Manager")
self.setMinimumSize(800, 400)
self.setUpMainWindow()
def setUpMainWindow(self):
"""Create and arrange widgets in the main window."""
# Create the container widget for each of the pages
# in the tab widget
self.customer_tab = QWidget()
self.orders_tab = QWidget()
self.category_tab = QWidget()
self.products_tab = QWidget()
# Add or insert the tabs into the tab widget
self.tabs = QTabWidget()
self.tabs.setDocumentMode(True)
self.tabs.addTab(self.customer_tab, "Customers")
self.tabs.addTab(self.orders_tab, "Orders")
self.tabs.addTab(self.category_tab, "Categories")
self.tabs.addTab(self.products_tab, "Products")
if self.admin_or_not == 1:
self.staff_tab = QWidget()
self.tabs.insertTab(0, self.staff_tab, "Staff")
self.createStaffTab()
self.tabs.setCurrentIndex(1) # Set tab to Customers tab
self.tabs.currentChanged.connect(self.updateWidgetsAndStates)
# Call the methods to construct each page
self.createCustomersTab()
self.createOrdersTab()
self.createCategoriesTab()
self.createProductsTab()
# Create the widgets in the sidebar for filtering table content
self.table_name_label = QLabel("<b>Customers</b>")
self.table_name_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.filter_pattern_line = QLineEdit()
self.filter_pattern_line.setClearButtonEnabled(True)
self.filter_pattern_line.textChanged.connect(self.filterRegExpChanged)
self.filter_regex_combo = QComboBox()
filter_options = ["Default", "Wildcard", "Fixed String"]
self.filter_regex_combo.addItems(filter_options)
self.filter_regex_combo.currentIndexChanged.connect(
self.filterRegExpChanged)
self.filter_field_combo = QComboBox()
self.updateWidgetsAndStates(
1) # Initialize the values in filter_field_combo
self.filter_field_combo.currentIndexChanged.connect(
self.selectTableColumn)
filter_case_sensitivity_cb = QCheckBox("Filter with Case Sensitivity")
filter_case_sensitivity_cb.toggled.connect(self.toggleCaseSensitivity)
filter_case_sensitivity_cb.toggle()
# Layout for the sidebar
filter_v_box = QVBoxLayout()
filter_v_box.addWidget(self.table_name_label)
filter_v_box.addWidget(QLabel("Filter Pattern"))
filter_v_box.addWidget(self.filter_pattern_line)
filter_v_box.addWidget(QLabel("Filter filter"))
filter_v_box.addWidget(self.filter_regex_combo)
filter_v_box.addWidget(QLabel("Select Table Column"))
filter_v_box.addWidget(self.filter_field_combo)
filter_v_box.addWidget(filter_case_sensitivity_cb)
filter_v_box.addStretch(2)
self.filter_group = QGroupBox("Filtering")
self.filter_group.setMaximumWidth(260)
self.filter_group.setLayout(filter_v_box)
# Arrange the containers in the main window
main_h_box = QHBoxLayout()
main_h_box.addWidget(self.tabs)
main_h_box.addWidget(self.filter_group)
main_container = QWidget()
main_container.setLayout(main_h_box)
self.setCentralWidget(main_container)
# Create status bar
self.setStatusBar(QStatusBar())
def createStaffTab(self):
"""Create the page to view the Staff table from the database."""
staff_sql_model = QSqlRelationalTableModel()
staff_sql_model.setTable("Staff")
staff_sql_model.select() # Populate the model with data
staff_proxy_model = QSortFilterProxyModel()
staff_proxy_model.setSourceModel(staff_sql_model)
staff_table = QTableView()
staff_table.setSortingEnabled(True)
staff_table.setModel(staff_proxy_model)
staff_table.setItemDelegateForColumn(
staff_sql_model.fieldIndex("staff_id"), ReadOnlyDelegate())
staff_table.horizontalHeader().setSectionResizeMode(
QHeaderView.ResizeMode.Stretch)
staff_h_box = QHBoxLayout()
staff_h_box.addWidget(staff_table)
self.staff_tab.setLayout(staff_h_box)
def createCustomersTab(self):
"""Create the page to view the Customers table from the database."""
cust_sql_model = QSqlRelationalTableModel()
cust_sql_model.setTable("Customers")
cust_sql_model.setRelation(
cust_sql_model.fieldIndex("staff_id"),
QSqlRelation("Staff", "staff_id", "username"))
cust_sql_model.setHeaderData(cust_sql_model.fieldIndex("staff_id"),
Qt.Orientation.Horizontal,
"staff_username")
cust_sql_model.select() # Populate the model with data
cust_proxy_model = QSortFilterProxyModel()
cust_proxy_model.setSourceModel(cust_sql_model)
cust_table = QTableView()
cust_table.setSortingEnabled(True)
cust_table.setModel(cust_proxy_model)
cust_table.setItemDelegate(SqlProxyDelegate(cust_table))
cust_table.setItemDelegateForColumn(cust_sql_model.fieldIndex("phone"),
PhoneDelegate())
cust_table.horizontalHeader().setSectionResizeMode(
QHeaderView.ResizeMode.Stretch)
cust_h_box = QHBoxLayout()
cust_h_box.addWidget(cust_table)
self.customer_tab.setLayout(cust_h_box)
def createOrdersTab(self):
"""Create the page to view the Orders table from the database."""
ord_sql_model = QSqlRelationalTableModel()
ord_sql_model.setTable("Orders")
ord_sql_model.setRelation(
ord_sql_model.fieldIndex("product_id"),
QSqlRelation("Products", "product_id", "product_name"))
ord_sql_model.setRelation(
ord_sql_model.fieldIndex("customer_id"),
QSqlRelation("Customers", "customer_id", "first_name"))
ord_sql_model.setHeaderData(ord_sql_model.fieldIndex("customer_id"),
Qt.Orientation.Horizontal, "customer_name")
ord_sql_model.select() # Populate the model with data
ord_proxy_model = QSortFilterProxyModel()
ord_proxy_model.setSourceModel(ord_sql_model)
ord_table = QTableView()
ord_table.setSortingEnabled(True)
ord_table.setModel(ord_proxy_model)
ord_table.setItemDelegate(SqlProxyDelegate(ord_table))
ord_table.setItemDelegateForColumn(
ord_sql_model.fieldIndex("date_of_order"), DateDelegate())
ord_table.horizontalHeader().setSectionResizeMode(
QHeaderView.ResizeMode.Stretch)
ord_h_box = QHBoxLayout()
ord_h_box.addWidget(ord_table)
self.orders_tab.setLayout(ord_h_box)
def createCategoriesTab(self):
"""Create the page to view the Categories table from the database."""
cat_sql_model = QSqlRelationalTableModel()
cat_sql_model.setTable("Categories")
cat_sql_model.select() # Populate the model with data
cat_proxy_model = QSortFilterProxyModel()
cat_proxy_model.setSourceModel(cat_sql_model)
cat_table = QTableView()
cat_table.setSortingEnabled(True)
cat_table.setModel(cat_proxy_model)
cat_table.setItemDelegateForColumn(
cat_sql_model.fieldIndex("category_id"), ReadOnlyDelegate())
cat_table.horizontalHeader().setSectionResizeMode(
QHeaderView.ResizeMode.Stretch)
cat_h_box = QHBoxLayout()
cat_h_box.addWidget(cat_table)
self.category_tab.setLayout(cat_h_box)
def createProductsTab(self):
"""Create the page to view the Products table from the database."""
prod_sql_model = QSqlRelationalTableModel()
prod_sql_model.setTable("Products")
prod_sql_model.setRelation(
prod_sql_model.fieldIndex("category_id"),
QSqlRelation("Categories", "category_id", "category_name"))
prod_sql_model.select() # Populate the model with data
prod_proxy_model = QSortFilterProxyModel()
prod_proxy_model.setSourceModel(prod_sql_model)
prod_table = QTableView()
prod_table.setSortingEnabled(True)
prod_table.setModel(prod_proxy_model)
prod_table.setItemDelegate(SqlProxyDelegate(prod_table))
prod_table.horizontalHeader().setSectionResizeMode(
QHeaderView.ResizeMode.Stretch)
prod_h_box = QHBoxLayout()
prod_h_box.addWidget(prod_table)
self.products_tab.setLayout(prod_h_box)
def filterRegExpChanged(self, value):
"""Slot for collecting the expression (pattern) for filtering
items in the tables. Expressions are then passed to various
QSortFilterProxyModel methods depending upon the value in
filter_regex_combo."""
pattern = self.filter_pattern_line.text()
filter = self.filter_regex_combo.currentText()
model = self.curr_proxy_model
if filter == "Wildcard":
regex = QRegularExpression()
pattern = regex.wildcardToRegularExpression(
pattern,
regex.WildcardConversionOption.UnanchoredWildcardConversion)
elif filter == "Fixed String":
pattern = QRegularExpression.escape(pattern)
option = QRegularExpression.PatternOption.NoPatternOption
regex = QRegularExpression(pattern, option)
# Check whether or not the regular expression is valid or not
if regex.isValid():
model.setFilterRegularExpression(regex)
else:
# Display error message in the statusbar
self.statusBar().showMessage(regex.errorString(), 4000)
model.setFilterRegularExpression(QRegularExpression())
def selectTableColumn(self, index):
"""Select the field (column) in the SQL table to be filtered."""
self.curr_proxy_model.setFilterKeyColumn(index)
def toggleCaseSensitivity(self, toggled):
"""Toggle whether items are filtered with or without case sensitivity."""
if toggled:
self.curr_proxy_model.setFilterCaseSensitivity(
Qt.CaseSensitivity.CaseSensitive)
else:
self.curr_proxy_model.setFilterCaseSensitivity(
Qt.CaseSensitivity.CaseInsensitive)
def updateWidgetsAndStates(self, index):
"""Whenever the user switches a tab, update information regarding
the tab selected, the current table's QSortFilterProxyModel, and information
displayed in the sidebar for filtering."""
self.filter_field_combo.clear()
curr_table = self.tabs.currentWidget().findChild(QTableView)
curr_model = curr_table.model().sourceModel()
# Set text to display current table's name in the sidebar
self.table_name_label.setText(f"<b>{curr_model.tableName()}</b>")
self.curr_proxy_model = curr_table.model()
# Update QComboBox values based on currently selected tab
field_names = []
for col in range(0, curr_model.columnCount()):
field_names.append(curr_model.record().fieldName(col))
if curr_model.tableName() == "Orders" and \
"first_name" in field_names:
field_names = [
"customer_name" if n == "first_name" else n
for n in field_names
]
self.filter_field_combo.addItems(field_names)
# NOTE: To the reader, the following code differs slightly from the book.
# This portion is left here as reference should you need to use both
# QSqlTableModel and QSqlRelationalTableModel classes. Simply replace the code
# above with the code below.
"""
if isinstance(curr_table.model(), QSqlRelationalTableModel):
self.table_name_label.setText(f"<b>{curr_table.model().tableName()}</b>")
# Update QComboBox values based on currently selected tab
for col in range(0, curr_table.model().columnCount()):
field_names.append(curr_table.model().record().fieldName(col))
self.filter_field_combo.addItems(field_names)
elif isinstance(curr_table.model(), QSortFilterProxyModel):
self.table_name_label.setText(f"<b>{curr_model.tableName()}</b>")
self.curr_proxy_model = curr_table.model()
# Update QComboBox values based on currently selected tab
for col in range(0, curr_model.columnCount()):
field_names.append(curr_model.record().fieldName(col))
if "first_name" in field_names:
field_names = ["customer_name" if i=="first_name" else i for i in field_names]
self.filter_field_combo.addItems(field_names)
"""
def closeEvent(self, event):
"""Close database connection when window is closed."""
model = self.curr_proxy_model.sourceModel()
model.database().close()
class MainWindow(QMainWindow):
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)
# endregion
# region Thread performing CartPole experiment, slider-controlled or random
# It iteratively updates CartPole state and save data to a .csv file
# It also put simulation time in relation to user time
def experiment_thread(self):
# Necessary only for debugging in Visual Studio Code IDE
try:
ptvsd.debug_this_thread()
except:
pass
self.looper.start_loop()
while not self.terminate_experiment_or_replay_thread:
if self.pause_experiment_or_replay_thread:
time.sleep(0.1)
else:
# Calculations of the Cart state in the next timestep
self.CartPoleInstance.update_state()
# Terminate thread if random experiment reached its maximal length
if ((self.CartPoleInstance.use_pregenerated_target_position is
True) and (self.CartPoleInstance.time >=
self.CartPoleInstance.t_max_pre)):
self.terminate_experiment_or_replay_thread = True
# FIXME: when Speedup empty in GUI I expected inf speedup but got error Loop timer was not initialized properly
self.looper.sleep_leftover_time()
# Save simulation history if user chose to do so at the end of the simulation
if self.save_history:
csv_name = self.textbox.text()
self.CartPoleInstance.save_history_csv(
csv_name=csv_name,
mode='init',
length_of_experiment=np.around(
self.CartPoleInstance.dict_history['time'][-1],
decimals=2))
self.CartPoleInstance.save_history_csv(csv_name=csv_name,
mode='save offline')
self.experiment_or_replay_thread_terminated = True
# endregion
# region Thread replaying a saved experiment recording
def replay_thread(self):
# Necessary only for debugging in Visual Studio Code IDE
try:
ptvsd.debug_this_thread()
except:
pass
# Check what is in the csv textbox
csv_name = self.textbox.text()
# Load experiment history
history_pd, filepath = self.CartPoleInstance.load_history_csv(
csv_name=csv_name)
# Set cartpole in the right mode (just to ensure slider behaves properly)
with open(filepath, newline='') as f:
reader = csv.reader(f)
for line in reader:
line = line[0]
if line[:len('# Controller: ')] == '# Controller: ':
controller_set = self.CartPoleInstance.set_controller(
line[len('# Controller: '):].rstrip("\n"))
if controller_set:
self.rbs_controllers[self.CartPoleInstance.
controller_idx].setChecked(True)
else:
self.rbs_controllers[1].setChecked(
True) # Set first, but not manual stabilization
break
# Augment the experiment history with simulation time step size
dt = []
row_iterator = history_pd.iterrows()
_, last = next(row_iterator) # take first item from row_iterator
for i, row in row_iterator:
dt.append(row['time'] - last['time'])
last = row
dt.append(dt[-1])
history_pd['dt'] = np.array(dt)
# Initialize loop timer (with arbitrary dt)
replay_looper = loop_timer(dt_target=0.0)
# Start looping over history
replay_looper.start_loop()
global L
for index, row in history_pd.iterrows():
self.CartPoleInstance.s[POSITION_IDX] = row['position']
self.CartPoleInstance.s[POSITIOND_IDX] = row['positionD']
self.CartPoleInstance.s[ANGLE_IDX] = row['angle']
self.CartPoleInstance.time = row['time']
self.CartPoleInstance.dt = row['dt']
try:
self.CartPoleInstance.u = row['u']
except KeyError:
pass
self.CartPoleInstance.Q = row['Q']
self.CartPoleInstance.target_position = row['target_position']
if self.CartPoleInstance.controller_name == 'manual-stabilization':
self.CartPoleInstance.slider_value = self.CartPoleInstance.Q
else:
self.CartPoleInstance.slider_value = self.CartPoleInstance.target_position / TrackHalfLength
# TODO: Make it more general for all possible parameters
try:
L[...] = row['L']
except KeyError:
pass
except:
print('Error while assigning L')
print("Unexpected error:", sys.exc_info()[0])
print("Unexpected error:", sys.exc_info()[1])
dt_target = (self.CartPoleInstance.dt / self.speedup)
replay_looper.dt_target = dt_target
replay_looper.sleep_leftover_time()
if self.terminate_experiment_or_replay_thread: # Means that stop button was pressed
break
while self.pause_experiment_or_replay_thread: # Means that pause button was pressed
time.sleep(0.1)
if self.show_experiment_summary:
self.CartPoleInstance.dict_history = history_pd.loc[:index].to_dict(
orient='list')
self.experiment_or_replay_thread_terminated = True
# endregion
# region "START! / STOP!" button -> run/stop slider-controlled experiment, random experiment or replay experiment recording
# Actions to be taken when "START! / STOP!" button is clicked
def start_stop_button(self):
# If "START! / STOP!" button in "START!" mode...
if self.start_or_stop_action == 'START!':
self.bss.setText("STOP!")
self.start_thread()
# If "START! / STOP!" button in "STOP!" mode...
elif self.start_or_stop_action == 'STOP!':
self.bss.setText("START!")
self.bp.setText("PAUSE")
# This flag is periodically checked by thread. It terminates if set True.
self.terminate_experiment_or_replay_thread = True
# The stop_thread function is called automatically by the thread when it terminates
# It is implemented this way, because thread my terminate not only due "STOP!" button
# (e.g. replay thread when whole experiment is replayed)
def pause_unpause_button(self):
# Only Pause if experiment is running
if self.pause_or_unpause_action == 'PAUSE' and self.start_or_stop_action == 'STOP!':
self.pause_or_unpause_action = 'UNPAUSE'
self.pause_experiment_or_replay_thread = True
self.bp.setText("UNPAUSE")
elif self.pause_or_unpause_action == 'UNPAUSE' and self.start_or_stop_action == 'STOP!':
self.pause_or_unpause_action = 'PAUSE'
self.pause_experiment_or_replay_thread = False
self.bp.setText("PAUSE")
# Run thread. works for all simulator modes.
def start_thread(self):
# Check if value provided in speed-up textbox makes sense
# If not abort start
speedup_updated = self.get_speedup()
if not speedup_updated:
return
# Disable GUI elements for features which must not be changed in runtime
# For other features changing in runtime may not cause errors, but will stay without effect for current run
self.cb_save_history.setEnabled(False)
for rb in self.rbs_simulator_mode:
rb.setEnabled(False)
for rb in self.rbs_controllers:
rb.setEnabled(False)
if self.simulator_mode != 'Replay':
self.cb_show_experiment_summary.setEnabled(False)
# Set user-provided initial values for state (or its part) of the CartPole
# Search implementation for more detail
# The following line is important as it let the user to set with the slider the starting target position
# After the slider was reset at the end of last experiment
# With the small sliders he can also adjust starting initial_state
self.reset_variables(
2,
s=np.copy(self.initial_state),
target_position=self.CartPoleInstance.target_position)
if self.simulator_mode == 'Random Experiment':
self.CartPoleInstance.use_pregenerated_target_position = True
if self.textbox_length.text() == '':
self.CartPoleInstance.length_of_experiment = length_of_experiment_init
else:
self.CartPoleInstance.length_of_experiment = float(
self.textbox_length.text())
turning_points_list = []
if self.textbox_turning_points.text() != '':
for turning_point in self.textbox_turning_points.text().split(
', '):
turning_points_list.append(float(turning_point))
self.CartPoleInstance.turning_points = turning_points_list
self.CartPoleInstance.setup_cartpole_random_experiment()
self.looper.dt_target = self.CartPoleInstance.dt_simulation / self.speedup
# Pass the function to execute
if self.simulator_mode == "Replay":
worker = Worker(self.replay_thread)
elif self.simulator_mode == 'Slider-Controlled Experiment' or self.simulator_mode == 'Random Experiment':
worker = Worker(self.experiment_thread)
worker.signals.finished.connect(self.finish_thread)
# Execute
self.threadpool.start(worker)
# Determine what should happen when "START! / STOP!" is pushed NEXT time
self.start_or_stop_action = "STOP!"
# finish_threads works for all simulation modes
# Some lines mya be redundant for replay,
# however as they do not take much computation time we leave them here
# As it my code shorter, while hopefully still clear.
# It is called automatically at the end of experiment_thread
def finish_thread(self):
self.CartPoleInstance.use_pregenerated_target_position = False
self.initial_state = create_cartpole_state()
self.initial_position_slider.setValue(0)
self.initial_angle_slider.setValue(0)
self.CartPoleInstance.s = self.initial_state
# Some controllers may collect they own statistics about their usage and print it after experiment terminated
if self.simulator_mode != 'Replay':
try:
self.CartPoleInstance.controller.controller_report()
except:
pass
if self.show_experiment_summary:
self.w_summary = SummaryWindow(
summary_plots=self.CartPoleInstance.summary_plots)
# Reset variables and redraw the figures
self.reset_variables(0)
# Draw figures
self.CartPoleInstance.draw_constant_elements(self.fig, self.fig.AxCart,
self.fig.AxSlider)
self.canvas.draw()
# Enable back all elements of GUI:
self.cb_save_history.setEnabled(True)
self.cb_show_experiment_summary.setEnabled(True)
for rb in self.rbs_simulator_mode:
rb.setEnabled(True)
for rb in self.rbs_controllers:
rb.setEnabled(True)
self.start_or_stop_action = "START!" # What should happen when "START! / STOP!" is pushed NEXT time
# endregion
# region Methods: "Get, set, reset, quit"
# Set parameters from gui_default_parameters related to generating a random experiment target position
def set_random_experiment_generator_init_params(self):
self.CartPoleInstance.track_relative_complexity = track_relative_complexity_init
self.CartPoleInstance.length_of_experiment = length_of_experiment_init
self.CartPoleInstance.interpolation_type = interpolation_type_init
self.CartPoleInstance.turning_points_period = turning_points_period_init
self.CartPoleInstance.start_random_target_position_at = start_random_target_position_at_init
self.CartPoleInstance.end_random_target_position_at = end_random_target_position_at_init
self.CartPoleInstance.turning_points = turning_points_init
# Method resetting variables which change during experimental run
def reset_variables(self, reset_mode=1, s=None, target_position=None):
self.CartPoleInstance.set_cartpole_state_at_t0(
reset_mode, s=s, target_position=target_position)
self.user_time_counter = 0
# "Try" because this function is called for the first time during initialisation of the Window
# when the timer label instance is not yer there.
try:
self.labt.setText("Time (s): " +
str(float(self.user_time_counter) / 10.0))
except:
pass
self.experiment_or_replay_thread_terminated = False # This is a flag informing thread terminated
self.terminate_experiment_or_replay_thread = False # This is a command to terminate a thread
self.pause_experiment_or_replay_thread = False # This is a command to pause a thread
self.start_or_stop_action = "START!"
self.pause_or_unpause_action = "PAUSE"
self.looper.first_call_done = False
######################################################################################################
# (Marcin) Below are methods with less critical functions.
# A thread redrawing labels (except for timer, which has its own function) of GUI every 0.1 s
def set_labels_thread(self):
while (self.run_set_labels_thread):
self.labSpeed.setText(
"Speed (m/s): " +
str(np.around(self.CartPoleInstance.s[POSITIOND_IDX], 2)))
self.labAngle.setText("Angle (deg): " + str(
np.around(
self.CartPoleInstance.s[ANGLE_IDX] * 360 /
(2 * np.pi), 2)))
self.labMotor.setText("Motor power (Q): {:.3f}".format(
np.around(self.CartPoleInstance.Q, 2)))
if self.CartPoleInstance.controller_name == 'manual-stabilization':
self.labTargetPosition.setText("")
else:
self.labTargetPosition.setText(
"Target position (m): " +
str(np.around(self.CartPoleInstance.target_position, 2)))
if self.CartPoleInstance.controller_name == 'manual_stabilization':
self.labSliderInstant.setText(
"Slider instant value (-): " +
str(np.around(self.slider_instant_value, 2)))
else:
self.labSliderInstant.setText(
"Slider instant value (m): " +
str(np.around(self.slider_instant_value, 2)))
self.labTimeSim.setText('Simulation time (s): {:.2f}'.format(
self.CartPoleInstance.time))
mean_dt_real = np.mean(self.looper.circ_buffer_dt_real)
if mean_dt_real > 0:
self.labSpeedUp.setText('Speed-up (measured): x{:.2f}'.format(
self.CartPoleInstance.dt_simulation / mean_dt_real))
sleep(0.1)
# Function to measure the time of simulation as experienced by user
# It corresponds to the time of simulation according to equations only if real time mode is on
# TODO (Marcin) I just retained this function from some example being my starting point
# It seems it sometimes counting time to slow. Consider replacing in future
def set_user_time_label(self):
# "If": Increment time counter only if simulation is running
if self.start_or_stop_action == "STOP!": # indicates what start button was pressed and some process is running
self.user_time_counter += 1
# The updates are done smoother if the label is updated here
# and not in the separate thread
self.labTime.setText("Time (s): " +
str(float(self.user_time_counter) / 10.0))
# The actions which has to be taken to properly terminate the application
# The method is evoked after QUIT button is pressed
# TODO: Can we connect it somehow also the the default cross closing the application?
def quit_application(self):
# Stops animation (updating changing elements of the Figure)
self.anim._stop()
# Stops the two threads updating the GUI labels and updating the state of Cart instance
self.run_set_labels_thread = False
self.terminate_experiment_or_replay_thread = True
self.pause_experiment_or_replay_thread = False
# Closes the GUI window
self.close()
# The standard command
# It seems however not to be working by its own
# I don't know how it works
QApplication.quit()
# endregion
# region Mouse interaction
"""
These are some methods GUI uses to capture mouse effect while hoovering or clicking over/on the charts
"""
# Function evoked at a mouse movement
# If the mouse cursor is over the lower chart it reads the corresponding value
# and updates the slider
def on_mouse_movement(self, event):
if self.simulator_mode == 'Slider-Controlled Experiment':
if event.xdata == None or event.ydata == None:
pass
else:
if event.inaxes == self.fig.AxSlider:
self.slider_instant_value = event.xdata
if not self.slider_on_click:
self.CartPoleInstance.update_slider(
mouse_position=event.xdata)
# Function evoked at a mouse click
# If the mouse cursor is over the lower chart it reads the corresponding value
# and updates the slider
def on_mouse_click(self, event):
if self.simulator_mode == 'Slider-Controlled Experiment':
if event.xdata == None or event.ydata == None:
pass
else:
if event.inaxes == self.fig.AxSlider:
self.CartPoleInstance.update_slider(
mouse_position=event.xdata)
# endregion
# region Changing "static" options: radio buttons, text boxes, combo boxes, check boxes
"""
This section collects methods used to change some ''static option'':
e.g. change current controller, switch between saving and not saving etc.
These are functions associated with radio buttons, check boxes, textfilds etc.
The functions of "START! / STOP!" button is much more complex
and we put them hence in a separate section.
"""
# region - Radio buttons
# Chose the controller method which should be used with the CartPole
def RadioButtons_controller_selection(self):
# Change the mode variable depending on the Radiobutton state
for i in range(len(self.rbs_controllers)):
if self.rbs_controllers[i].isChecked():
self.CartPoleInstance.set_controller(controller_idx=i)
# Reset the state of GUI and of the Cart instance after the mode has changed
# TODO: Do I need the follwowing lines?
self.reset_variables(0)
self.CartPoleInstance.draw_constant_elements(self.fig, self.fig.AxCart,
self.fig.AxSlider)
self.canvas.draw()
self.open_additional_controller_widget()
# Chose the simulator mode - effect of start/stop button
def RadioButtons_simulator_mode(self):
# Change the mode variable depending on the Radiobutton state
for i in range(len(self.rbs_simulator_mode)):
sleep(0.001)
if self.rbs_simulator_mode[i].isChecked():
self.simulator_mode = self.available_simulator_modes[i]
# Reset the state of GUI and of the Cart instance after the mode has changed
# TODO: Do I need the follwowing lines?
self.reset_variables(0)
self.CartPoleInstance.draw_constant_elements(self.fig, self.fig.AxCart,
self.fig.AxSlider)
self.canvas.draw()
# Chose the noise mode - effect of start/stop button
def RadioButtons_noise_on_off(self):
# Change the mode variable depending on the Radiobutton state
if self.rbs_noise[0].isChecked():
self.noise = 'ON'
self.CartPoleInstance.NoiseAdderInstance.noise_mode = self.noise
elif self.rbs_noise[1].isChecked():
self.noise = 'OFF'
self.CartPoleInstance.NoiseAdderInstance.noise_mode = self.noise
else:
raise Exception('Something wrong with ON/OFF button for noise')
self.open_additional_noise_widget()
# endregion
# region - Text Boxes
# Read speedup provided by user from appropriate GUI textbox
def get_speedup(self):
"""
Get speedup provided by user from appropriate textbox.
Speed-up gives how many times faster or slower than real time the simulation or replay should run.
The provided values may not always be reached due to computer speed limitation
"""
speedup = self.tx_speedup.text()
if speedup == '':
self.speedup = np.inf
return True
else:
try:
speedup = float(speedup)
except ValueError:
self.wrong_speedup_msg.setText(
'You have provided the input for speed-up which is not convertible to a number'
)
x = self.wrong_speedup_msg.exec_()
return False
if speedup == 0.0:
self.wrong_speedup_msg.setText(
'You cannot run an experiment with 0 speed-up (stopped time flow)'
)
x = self.wrong_speedup_msg.exec_()
return False
else:
self.speedup = speedup
return True
# endregion
# region - Combo Boxes
# Select how to interpolate between turning points of randomly chosen target positions
def cb_interpolation_selectionchange(self, i):
"""
Select interpolation type for random target positions of randomly generated experiment
"""
self.CartPoleInstance.interpolation_type = self.cb_interpolation.currentText(
)
# endregion
# region - Check boxes
# Action toggling between saving and not saving simulation results
def cb_save_history_f(self, state):
if state:
self.save_history = 1
else:
self.save_history = 0
if self.save_history or self.show_experiment_summary:
self.CartPoleInstance.save_data_in_cart = True
else:
self.CartPoleInstance.save_data_in_cart = False
# Action toggling between saving and not saving simulation results
def cb_show_experiment_summary_f(self, state):
if state:
self.show_experiment_summary = 1
else:
self.show_experiment_summary = 0
if self.save_history or self.show_experiment_summary:
self.CartPoleInstance.save_data_in_cart = True
else:
self.CartPoleInstance.save_data_in_cart = False
# Action toggling between stopping (or not) the pole if it reaches 90 deg
def cb_stop_at_90_deg_f(self, state):
if state:
self.CartPoleInstance.stop_at_90 = True
else:
self.CartPoleInstance.stop_at_90 = False
# Action toggling between updating CarPole slider value on click or by hoovering over it
def cb_slider_on_click_f(self, state):
if state:
self.slider_on_click = True
else:
self.slider_on_click = False
# endregion
# region - Additional GUI Popups
def open_additional_controller_widget(self):
# Open up additional options widgets depending on the controller type
if self.CartPoleInstance.controller_name == 'mppi':
self.optionsControllerWidget = MPPIOptionsWindow()
else:
try:
self.optionsControllerWidget.close()
except:
pass
self.optionsControllerWidget = None
def open_additional_noise_widget(self):
# Open up additional options widgets depending on the controller type
if self.noise == 'ON':
self.optionsNoiseWidget = NoiseOptionsWindow()
else:
try:
self.optionsNoiseWidget.close()
except:
pass
self.optionsNoiseWidget = None
# endregion
# region - Sliders setting initial position and angle of the CartPole
def update_initial_position(self, value: str):
self.initial_state[POSITION_IDX] = float(value) / 1000.0
def update_initial_angle(self, value: str):
self.initial_state[ANGLE_IDX] = float(value) / 100.0
# endregion
# region - Slider setting latency of the controller
def update_latency(self, value: str):
latency_slider = float(value)
latency = latency_slider * self.CartPoleInstance.LatencyAdderInstance.max_latency / self.LATENCY_SLIDER_RANGE_INT # latency in seconds
self.CartPoleInstance.LatencyAdderInstance.set_latency(latency)
self.labLatency.setText('{:.1f} ms'.format(latency *
1000.0)) # latency in ms
# endregion
# region Buttons for providing a kick to the pole
def kick_pole(self):
if self.sender().text() == "Left":
self.CartPoleInstance.s[ANGLED_IDX] += .6
elif self.sender().text() == "Right":
self.CartPoleInstance.s[ANGLED_IDX] -= .6
class App(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle('GitHub Abuz!')
self.setWindowIcon(QIcon('icon.png'))
layout = QGridLayout()
vl = QVBoxLayout()
hl = QHBoxLayout()
hl2 = QHBoxLayout()
hl3 = QHBoxLayout()
self.y = QComboBox()
self.name = QLineEdit()
self.email = QLineEdit()
self.passw = QLineEdit()
self.repo = QLineEdit()
self.type = QLineEdit()
self.fonts = QComboBox()
self.err = QMessageBox()
self.nc = QSpinBox()
lbl = QLabel('Commits/day:')
prev = QPushButton('Translate')
invert = QPushButton('Invert')
leggo = QPushButton('Do it')
invert.clicked.connect(self.invert)
leggo.clicked.connect(self.doit)
prev.clicked.connect(self.textCheck)
self.name.textChanged[str].connect(self.rmph)
self.email.textChanged[str].connect(self.rmph)
self.passw.textChanged[str].connect(self.rmph)
self.type.textChanged[str].connect(self.rmph)
self.repo.textChanged[str].connect(self.rmph)
self.y.addItem('Year (default: last 52 weeks)')
for yr in range(datetime.datetime.now().year + 5,
datetime.datetime.now().year - 20, -1):
self.y.addItem(str(yr))
self.fonts.addItems(os.listdir('Fonts'))
self.name.setPlaceholderText('Committer name')
self.email.setPlaceholderText('Committer email')
self.passw.setPlaceholderText('Password')
self.passw.setEchoMode(QLineEdit.EchoMode.Password)
self.repo.setPlaceholderText('Link to repo')
self.type.setPlaceholderText('Translate text to tile art!')
self.nc.setMinimum(1)
self.nc.setValue(1)
self.err.setWindowIcon(QIcon('icon.png'))
self.err.setWindowTitle('Error!')
hl.addWidget(self.name)
hl.addWidget(self.email)
hl.addWidget(self.passw)
hl3.addWidget(self.repo)
hl3.addWidget(self.y)
hl3.addWidget(lbl)
hl3.addWidget(self.nc)
hl2.addWidget(self.type)
hl2.addWidget(self.fonts)
hl2.addWidget(prev)
hl2.addWidget(invert)
vl.addLayout(hl)
vl.addLayout(hl3)
vl.addLayout(layout)
vl.addLayout(hl2)
vl.addWidget(leggo)
self.setLayout(vl)
self.checkM = [list() for i in range(7)]
for i in range(7):
for j in range(52):
m = QCheckBox()
layout.addWidget(m, i, j)
self.checkM[i].append(m)
def rmph(self):
self.setStyleSheet('''
QLineEdit[text=""]{
border: 1px #30363d;
border-radius: 3px;
padding: 1px 18px 1px 3px;
background-color: #1c2128;
color: #8b949e;
}
QLineEdit{
border: 1px #30363d;
border-radius: 3px;
padding: 1px 18px 1px 3px;
background-color: #1c2128;
color: #f0f6fc;
}
QLineEdit:hover {
border: 0.5px solid #c9d1d9;
}
QLineEdit:focus {
border: 1px solid #c9d1d9;
}''')
def getActiveDates(self, dates):
ad = []
for i in range(7):
for j in range(52):
if self.checkM[i][j].isChecked():
ad.append(dates[i][j])
return ad
def doit(self):
try:
year = int(self.y.currentText())
dates = self.getActiveDates(getDates(year))
except:
dates = self.getActiveDates(getDates())
author = git.Actor(self.name.text(), self.email.text())
if not self.name.text() or not self.email.text():
self.err.setText('Did you enter your name and email? 🙄')
self.err.exec()
return
repurl = "https://" + self.name.text() + ":" + self.passw.text(
) + "@" + self.repo.text()[8:]
repname = repurl.split('/')[-1].split('.')[0]
if not os.path.isdir(repname):
try:
git.cmd.Git().clone(repurl)
except:
self.err.setText(
'Could not clone the repo. Ensure that the remote repo exists and that you have access to it.'
)
self.err.exec()
return
rep = git.Repo.init(repname)
for date in dates:
for n in range(self.nc.value()):
rep.index.commit("committed for the lullzz!!",
author=author,
committer=author,
author_date=date.isoformat())
try:
rep.remotes.origin.set_url(repurl)
except:
rep.create_remote('origin', repurl)
try:
rep.remotes.origin.push()
except:
self.err.setText(
'Error pushing. Verify you have permissions to push to the repo and that the given credentials are correct'
)
self.err.exec()
return
result = QMessageBox()
text = f"Created {len(dates)*2} commits as {self.name.text()} <{self.email.text()}> in {repname} : {self.repo.text()}"
result.setWindowIcon(QIcon('icon.png'))
result.setWindowTitle('All Done!')
result.setText(text)
result.exec()
os.remove(repname)
def textCheck(self):
for r in self.checkM:
for m in r:
m.setChecked(False)
text_to_render = self.type.text()
font = Font(os.path.join('Fonts', self.fonts.currentText()), 8)
try:
text = repr(font.render_text(text_to_render, 52, 7))
text_by_weekday = text.split('\n')
for i in range(7):
for j in range(51):
if text_by_weekday[i][j] == '#':
self.checkM[i][j].setChecked(True)
except:
self.err.setText('You typed too long :(')
self.err.exec()
def invert(self):
for r in self.checkM:
for m in r:
if m.isChecked():
m.setChecked(False)
else:
m.setChecked(True)
class ConfigDialog(QDialog):
def __init__(self, parent=None):
super(ConfigDialog, self).__init__(parent)
self.classifyExercises = parent.classifyExercises
self.setFixedSize(500, 400)
self.setWindowTitle("Model Configurations")
self.epochValue = QLabel()
self.vbox = QVBoxLayout()
self.label_maximum = QLabel()
self.label_minimum = QLabel()
self.slider_hbox = QHBoxLayout()
self.slider_vbox = QVBoxLayout()
self.batchSizeMenu = QComboBox()
self.properties = QFormLayout()
self.epochSlider = Slider(orientation=Qt.Orientations.Horizontal)
self.trainButton = QPushButton('Train Model')
self.resultButton = QPushButton('Show result image')
self.progress = QProgressBar()
self.batchSizeMenu.addItems(['2', '4', '8', '16', '32', '64', '128'])
self.batchSizeMenu.setCurrentIndex(3)
self.batchSizeMenu.setMaximumWidth(100)
self.initSlider()
self.properties.addRow('Batch Size', self.batchSizeMenu)
self.resultButton.setEnabled(False)
self.actionsLayout = QHBoxLayout()
self.actionsLayout.addWidget(self.trainButton)
self.actionsLayout.addWidget(self.resultButton)
self.optionsLayout = QVBoxLayout()
self.optionsLayout.addWidget(QLabel('Model properties'))
self.optionsLayout.addLayout(self.vbox)
self.optionsLayout.addLayout(self.properties)
self.optionsLayout.addLayout(self.actionsLayout)
self.progress.setAlignment(QtCore.Qt.Alignment.AlignCenter)
self.optionsLayout.addWidget(self.progress)
# self.options_layout.addWidget(self.label)
# self.options_layout.addWidget(self.list_widget)
self.setLayout(self.optionsLayout)
self.trainThread = TrainThread(self.classifyExercises)
self.connections()
print("init config")
def initSlider(self):
self.epochValue.setAlignment(QtCore.Qt.Alignment.AlignHCenter)
self.epochSlider.setMinimum(2)
self.epochSlider.setMaximum(10)
self.epochSlider.setTickInterval(1)
# self.epochSlider.setInterval(1)
# self.epochSlider.setValue(8) # no idea why, but 8 is the middle somehow
self.epochSlider.setSliderPosition(6)
self.epochSlider.setTickPosition(QSlider.TickPosition.TicksBelow)
self.label_minimum.setNum(self.epochSlider.minimum().real * 50)
self.label_minimum.setAlignment(QtCore.Qt.Alignment.AlignLeft)
self.label_maximum.setNum(self.epochSlider.maximum().real * 50)
self.label_maximum.setAlignment(QtCore.Qt.Alignment.AlignRight)
self.epochSlider.minimumChanged.connect(self.label_minimum.setNum)
self.epochSlider.maximumChanged.connect(self.label_maximum.setNum)
self.slider_hbox.addWidget(self.label_minimum,
QtCore.Qt.Alignment.AlignLeft)
self.slider_hbox.addWidget(self.epochValue)
self.slider_hbox.addWidget(self.label_maximum,
QtCore.Qt.Alignment.AlignRight)
self.slider_vbox.addWidget(self.epochSlider)
self.slider_vbox.addLayout(self.slider_hbox)
# self.slider_vbox.addStretch()
self.vbox.addLayout(self.slider_vbox)
def connections(self):
self.batchSizeMenu.currentIndexChanged.connect(
self.onBatchSizeSelected)
self.resultButton.clicked.connect(self.onResultClicked)
self.trainButton.clicked.connect(self.onTrainClicked)
self.epochSlider.valueChanged.connect(self.updateEpochValue)
self.trainThread.taskFinished.connect(self.onFinished)
def updateEpochValue(self, num):
print(num)
epochs = num * 50
self.epochValue.setNum(epochs)
self.classifyExercises.epochs = epochs
def onBatchSizeSelected(self, ind):
self.classifyExercises.training_batch_size = int(
self.batchSizeMenu.currentText())
def onResultClicked(self):
print("open image")
self.classifyExercises.DisplayResults()
def onTrainClicked(self):
if self.classifyExercises.subject is not None:
if self.classifyExercises.DataAvailable():
if self.resultButton.isEnabled:
self.resultButton.setEnabled(False)
self.trainThread.start()
self.progress.setRange(0, 0)
else:
CustomMessage.showDialog(
"Message", "Calibrate for patient to obtain data.",
QMessageBox.StandardButtons.Ok)
else:
CustomMessage.showDialog(
"Message", "You must either select or enter a subject name.",
QMessageBox.StandardButtons.Ok)
print("Subject is none!")
def onFinished(self):
# Stop the progress
self.progress.setRange(0, 1)
self.progress.setValue(1)
CustomMessage.showDialog("Message", "Training model finished!",
QMessageBox.StandardButtons.Ok)
self.resultButton.setEnabled(True)
class YTdownloader(QWidget):
def __init__(self):
super().__init__()
# setup some flags
self.isFetching = False
self.isDownloading = False
# default output path
self.outputPath = f'{QDir.homePath()}/videos'
# setup some window specific things
self.setWindowTitle('YouTube Downloader')
self.setWindowIcon(QIcon('assets/yt-icon.ico'))
self.setFixedSize(705, 343)
# parent layout
layout = QVBoxLayout()
layout.setContentsMargins(15, 15, 15, 10)
self.setLayout(layout)
# top bar layout
topBar = QHBoxLayout()
# detail section
detailSec = QHBoxLayout()
metaSec = QVBoxLayout()
# download section
downloadSec = QHBoxLayout()
downloadBtn = QVBoxLayout()
# output path link button
self.outputBtn = QPushButton('📂 Output Path')
self.outputBtn.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.outputBtn.setToolTip(self.outputPath)
self.outputBtn.clicked.connect(self.setOutputPath)
# status bar
self.statusBar = QStatusBar()
# message box
self.message = QMessageBox()
# setting up widgets
self.urlBox = QLineEdit()
self.urlBox.setFocusPolicy(Qt.FocusPolicy.ClickFocus or Qt.FocusPolicy.NoFocus)
self.urlBox.setPlaceholderText('🔍 Enter or paste video URL...')
self.button = QPushButton('Get')
self.button.setDefault(True)
self.button.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.button.clicked.connect(self.getDetails)
# thumbnail
pixmap = QPixmap('assets\placeholder.jpg')
self.thumb = QLabel()
self.thumb.setFixedSize(250, 141)
self.thumb.setScaledContents(True)
self.thumb.setPixmap(pixmap)
# detail widgets
self.title = QLabel('Title: ')
self.author = QLabel('Author: ')
self.length = QLabel('Duration: ')
self.publish_date = QLabel('Published: ')
# progress bar
self.progress_bar = QProgressBar()
# download options
self.download = QComboBox()
self.download.setPlaceholderText('Download Video')
self.download.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.download.activated.connect(lambda: self.getContent(0))
self.download.setEnabled(False)
# download audio button
self.download_audio = QPushButton('Download Audio')
self.download_audio.setCursor(QCursor(Qt.CursorShape.PointingHandCursor))
self.download_audio.clicked.connect(lambda: self.getContent(1))
self.download_audio.setEnabled(False)
# add widgets and layouts
topBar.addWidget(self.urlBox)
topBar.addWidget(self.button)
# detail section
metaSec.addWidget(self.title)
metaSec.addWidget(self.author)
metaSec.addWidget(self.length)
metaSec.addWidget(self.publish_date)
detailSec.addWidget(self.thumb)
detailSec.addSpacing(20)
detailSec.addLayout(metaSec)
# download section
downloadBtn.addWidget(self.download)
downloadBtn.addWidget(self.download_audio)
downloadSec.addWidget(self.progress_bar)
downloadSec.addSpacing(10)
downloadSec.addLayout(downloadBtn)
# status bar
self.statusBar.setSizeGripEnabled(False)
self.statusBar.addPermanentWidget(self.outputBtn)
# add content to parent layout
layout.addLayout(topBar)
layout.addSpacing(20)
layout.addLayout(detailSec)
layout.addSpacing(5)
layout.addLayout(downloadSec)
layout.addWidget(self.statusBar)
# setup a connection thread to keep checking internet connectivity
self.connection = ConnectionThread()
self.connection.start()
# catch the connection response signal
self.connection.con_response.connect(self.connection_slot)
# connection slot
def connection_slot(self, status):
curMsg = self.statusBar.currentMessage()
# connection succeeded
if status:
if curMsg == '🔴 Disconnected':
self.statusBar.showMessage('🟢 Connection restored!', 3000)
elif curMsg != '🟢 Connected':
self.statusBar.showMessage('🟢 Connected')
# connection failed
elif curMsg == '🟢 Connected':
self.statusBar.showMessage('🔴 Connection interrupted!', 3000)
elif curMsg != '🔴 Disconnected':
self.statusBar.showMessage('🔴 Disconnected')
# set output path slot
def setOutputPath(self):
# update the output path
path = str(QFileDialog.getExistingDirectory(self, "Select Output Directory"))
if path:
self.outputPath = path
# update tooltip
self.outputBtn.setToolTip(path)
# get button slot
def getDetails(self):
curMsg = self.statusBar.currentMessage()
if curMsg == '🔴 Disconnected' or curMsg == '🔴 Connection interrupted!':
self.message.critical(
self,
'Error',
'Connection failed!\nAre you sure you\'re connected to the internet ? '
)
elif self.button.text() == 'Get':
self.button.setText('Stop')
# indicate progress bar as busy
self.progress_bar.setRange(0, 0)
# set fetching flag
self.isFetching = True
# setup a worker thread to keep UI responsive
self.worker = WorkerThread(self.urlBox.text())
self.worker.start()
# catch the finished signal
self.worker.finished.connect(self.finished_slot)
# catch the response signal
self.worker.worker_response.connect(self.response_slot)
# catch the error signal
self.worker.worker_err_response.connect(self.err_slot)
elif self.button.text() == 'Stop':
if self.isFetching:
# stop worker thread
self.worker.terminate()
# set back the button text
self.button.setText('Get')
elif self.isDownloading:
# stop download thread
self.download_thread.terminate()
# show the warning message
self.message.information(
self,
'Interrupted',
'Download interrupted!\nThe process was aborted while the file was being downloaded... '
)
# reset pogress bar
self.progress_bar.reset()
# download options slot
def getContent(self, id):
if self.isFetching:
# show the warning message
self.message.warning(
self,
'Warning',
'Please wait!\nWait while the details are being fetched... '
)
else:
# disable the download options
self.download.setDisabled(True)
self.download_audio.setDisabled(True)
# set downloading flag
self.isDownloading = True
# set button to stop
self.button.setText('Stop')
# setup download thread
if id == 0:
self.download_thread = DownloadThread(self.yt, self.download.currentText()[:4], self.outputPath)
else:
self.download_thread = DownloadThread(self.yt, 'audio', self.outputPath)
# start the thread
self.download_thread.start()
# catch the finished signal
self.download_thread.finished.connect(self.download_finished_slot)
# catch the response signal
self.download_thread.download_response.connect(self.download_response_slot)
# catch the complete signal
self.download_thread.download_complete.connect(self.download_complete_slot)
# catch the error signal
self.download_thread.download_err.connect(self.download_err_slot)
# finished slot
def finished_slot(self):
# remove progress bar busy indication
self.progress_bar.setRange(0, 100)
# unset fetching flag
self.isFetching = False
# response slot
def response_slot(self, res):
# set back the button text
self.button.setText('Get')
# save the yt object for speeding up download
self.yt = res[0]
# set the actual thumbnail of requested video
self.thumb.setPixmap(res[1])
# slice the title if it is more than the limit
if len(res[2]) > 50:
self.title.setText(f'Title: {res[2][:50]}...')
else:
self.title.setText(f'Title: {res[2]}')
# set leftover details
self.author.setText(f'Author: {res[3]}')
self.length.setText(f'Duration: {timedelta(seconds=res[4])}')
self.publish_date.setText(f'Published: {res[5].strftime("%d/%m/%Y")}')
# clear any previous items if any
self.download.clear()
# add resolutions as items to the download button and enable them
self.download.addItems([item for item in res[6]])
self.download.setDisabled(False)
self.download_audio.setDisabled(False)
# error slot
def err_slot(self):
# show the warning message
self.message.warning(
self,
'Warning',
'Something went wrong!\nProbably a broken link or some restricted content... '
)
# set back the button text
self.button.setText('Get')
# download finished slot
def download_finished_slot(self):
# set back the button text
self.button.setText('Get')
# now enable the download options
self.download.setDisabled(False)
self.download_audio.setDisabled(False)
# unset downloading flag
self.isDownloading = False
# reset pogress bar
self.progress_bar.reset()
# download response slot
def download_response_slot(self, per):
# update progress bar
self.progress_bar.setValue(per)
# adjust the font color to maintain the contrast
if per > 52:
self.progress_bar.setStyleSheet('QProgressBar { color: #fff }')
else:
self.progress_bar.setStyleSheet('QProgressBar { color: #000 }')
# download complete slot
def download_complete_slot(self, location):
# use native separators
location = QDir.toNativeSeparators(location)
# show the success message
if self.message.information(
self,
'Downloaded',
f'Download complete!\nFile was successfully downloaded to :\n{location}\n\nOpen the downloaded file now ?',
QMessageBox.StandardButtons.Open,
QMessageBox.StandardButtons.Cancel
) is QMessageBox.StandardButtons.Open: subprocess.Popen(f'explorer /select,{location}')
# download error slot
def download_err_slot(self):
# show the error message
self.message.critical(
self,
'Error',
'Error!\nSomething unusual happened and was unable to download...'
)
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.setupTrayicon()
self.setupVariables()
self.setupUi()
self.setupConnections()
self.show()
def setupVariables(self):
settings = QSettings()
self.workEndTime = QTime(
int(settings.value(workHoursKey, 0)),
int(settings.value(workMinutesKey, 25)),
int(settings.value(workSecondsKey, 0)),
)
self.restEndTime = QTime(
int(settings.value(restHoursKey, 0)),
int(settings.value(restMinutesKey, 5)),
int(settings.value(restSecondsKey, 0)),
)
self.timeFormat = "hh:mm:ss"
self.time = QTime(0, 0, 0, 0)
self.workTime = QTime(0, 0, 0, 0)
self.restTime = QTime(0, 0, 0, 0)
self.totalTime = QTime(0, 0, 0, 0)
self.currentMode = Mode.work
self.maxRepetitions = -1
self.currentRepetitions = 0
def setupConnections(self):
""" Create button connections """
self.startButton.clicked.connect(self.startTimer)
self.startButton.clicked.connect(
lambda: self.startButton.setDisabled(True))
self.startButton.clicked.connect(
lambda: self.pauseButton.setDisabled(False))
self.startButton.clicked.connect(
lambda: self.resetButton.setDisabled(False))
self.pauseButton.clicked.connect(self.pauseTimer)
self.pauseButton.clicked.connect(
lambda: self.startButton.setDisabled(False))
self.pauseButton.clicked.connect(
lambda: self.pauseButton.setDisabled(True))
self.pauseButton.clicked.connect(
lambda: self.resetButton.setDisabled(False))
self.pauseButton.clicked.connect(
lambda: self.startButton.setText("continue"))
self.resetButton.clicked.connect(self.resetTimer)
self.resetButton.clicked.connect(
lambda: self.startButton.setDisabled(False))
self.resetButton.clicked.connect(
lambda: self.pauseButton.setDisabled(True))
self.resetButton.clicked.connect(
lambda: self.resetButton.setDisabled(True))
self.resetButton.clicked.connect(
lambda: self.startButton.setText("start"))
self.acceptTaskButton.pressed.connect(self.insertTask)
self.deleteTaskButton.pressed.connect(self.deleteTask)
""" Create spinbox connections """
self.workHoursSpinBox.valueChanged.connect(self.updateWorkEndTime)
self.workMinutesSpinBox.valueChanged.connect(self.updateWorkEndTime)
self.workSecondsSpinBox.valueChanged.connect(self.updateWorkEndTime)
self.restHoursSpinBox.valueChanged.connect(self.updateRestEndTime)
self.restMinutesSpinBox.valueChanged.connect(self.updateRestEndTime)
self.restSecondsSpinBox.valueChanged.connect(self.updateRestEndTime)
self.repetitionsSpinBox.valueChanged.connect(self.updateMaxRepetitions)
""" Create combobox connections """
self.modeComboBox.currentTextChanged.connect(self.updateCurrentMode)
""" Create tablewidget connections """
self.tasksTableWidget.cellDoubleClicked.connect(
self.markTaskAsFinished)
def setupUi(self):
self.size_policy = QSizePolicy(QSizePolicy.Policy.Expanding,
QSizePolicy.Policy.Expanding)
""" Create tabwidget """
self.tabWidget = QTabWidget()
""" Create tab widgets """
timerWidget = self.setupTimerTab()
tasksWidget = self.setupTasksTab()
statisticsWidget = self.setupStatisticsTab()
""" add tab widgets to tabwidget"""
self.timerTab = self.tabWidget.addTab(timerWidget, makeIcon("timer"),
"Timer")
self.tasksTab = self.tabWidget.addTab(tasksWidget, makeIcon("tasks"),
"Tasks")
self.statisticsTab = self.tabWidget.addTab(statisticsWidget,
makeIcon("statistics"),
"Statistics")
""" Set mainwindows central widget """
self.setCentralWidget(self.tabWidget)
def setupTimerTab(self):
settings = QSettings()
self.timerContainer = QWidget(self)
self.timerContainerLayout = QVBoxLayout(self.timerContainer)
self.timerContainer.setLayout(self.timerContainerLayout)
""" Create work groupbox"""
self.workGroupBox = QGroupBox("Work")
self.workGroupBoxLayout = QHBoxLayout(self.workGroupBox)
self.workGroupBox.setLayout(self.workGroupBoxLayout)
self.workHoursSpinBox = QSpinBox(
minimum=0,
maximum=24,
value=int(settings.value(workHoursKey, 0)),
suffix="h",
sizePolicy=self.size_policy,
)
self.workMinutesSpinBox = QSpinBox(
minimum=0,
maximum=60,
value=int(settings.value(workMinutesKey, 25)),
suffix="m",
sizePolicy=self.size_policy,
)
self.workSecondsSpinBox = QSpinBox(
minimum=0,
maximum=60,
value=int(settings.value(workSecondsKey, 0)),
suffix="s",
sizePolicy=self.size_policy,
)
""" Create rest groupbox"""
self.restGroupBox = QGroupBox("Rest")
self.restGroupBoxLayout = QHBoxLayout(self.restGroupBox)
self.restGroupBox.setLayout(self.restGroupBoxLayout)
self.restHoursSpinBox = QSpinBox(
minimum=0,
maximum=24,
value=int(settings.value(restHoursKey, 0)),
suffix="h",
sizePolicy=self.size_policy,
)
self.restMinutesSpinBox = QSpinBox(
minimum=0,
maximum=60,
value=int(settings.value(restMinutesKey, 5)),
suffix="m",
sizePolicy=self.size_policy,
)
self.restSecondsSpinBox = QSpinBox(
minimum=0,
maximum=60,
value=int(settings.value(restSecondsKey, 0)),
suffix="s",
sizePolicy=self.size_policy,
)
self.restGroupBoxLayout.addWidget(self.restHoursSpinBox)
self.restGroupBoxLayout.addWidget(self.restMinutesSpinBox)
self.restGroupBoxLayout.addWidget(self.restSecondsSpinBox)
""" Create other groupbox"""
self.otherGroupBox = QGroupBox("Other")
self.otherGroupBoxLayout = QHBoxLayout(self.otherGroupBox)
self.otherGroupBox.setLayout(self.otherGroupBoxLayout)
self.repetitionsLabel = QLabel("Repetitions")
self.repetitionsSpinBox = QSpinBox(
minimum=0,
maximum=10000,
value=0,
sizePolicy=self.size_policy,
specialValueText="∞",
)
self.modeLabel = QLabel("Mode")
self.modeComboBox = QComboBox(sizePolicy=self.size_policy)
self.modeComboBox.addItems(["work", "rest"])
self.otherGroupBoxLayout.addWidget(self.repetitionsLabel)
self.otherGroupBoxLayout.addWidget(self.repetitionsSpinBox)
self.otherGroupBoxLayout.addWidget(self.modeLabel)
self.otherGroupBoxLayout.addWidget(self.modeComboBox)
""" Create timer groupbox"""
self.lcdDisplayGroupBox = QGroupBox("Time")
self.lcdDisplayGroupBoxLayout = QHBoxLayout(self.lcdDisplayGroupBox)
self.lcdDisplayGroupBox.setLayout(self.lcdDisplayGroupBoxLayout)
self.timeDisplay = QLCDNumber(8, sizePolicy=self.size_policy)
self.timeDisplay.setFixedHeight(100)
self.timeDisplay.display("00:00:00")
self.lcdDisplayGroupBoxLayout.addWidget(self.timeDisplay)
""" Create pause, start and reset buttons"""
self.buttonContainer = QWidget()
self.buttonContainerLayout = QHBoxLayout(self.buttonContainer)
self.buttonContainer.setLayout(self.buttonContainerLayout)
self.startButton = self.makeButton("start", disabled=False)
self.resetButton = self.makeButton("reset")
self.pauseButton = self.makeButton("pause")
""" Add widgets to container """
self.workGroupBoxLayout.addWidget(self.workHoursSpinBox)
self.workGroupBoxLayout.addWidget(self.workMinutesSpinBox)
self.workGroupBoxLayout.addWidget(self.workSecondsSpinBox)
self.timerContainerLayout.addWidget(self.workGroupBox)
self.timerContainerLayout.addWidget(self.restGroupBox)
self.timerContainerLayout.addWidget(self.otherGroupBox)
self.timerContainerLayout.addWidget(self.lcdDisplayGroupBox)
self.buttonContainerLayout.addWidget(self.pauseButton)
self.buttonContainerLayout.addWidget(self.startButton)
self.buttonContainerLayout.addWidget(self.resetButton)
self.timerContainerLayout.addWidget(self.buttonContainer)
return self.timerContainer
def setupTasksTab(self):
settings = QSettings()
""" Create vertical tasks container """
self.tasksWidget = QWidget(self.tabWidget)
self.tasksWidgetLayout = QVBoxLayout(self.tasksWidget)
self.tasksWidget.setLayout(self.tasksWidgetLayout)
""" Create horizontal input container """
self.inputContainer = QWidget()
self.inputContainer.setFixedHeight(50)
self.inputContainerLayout = QHBoxLayout(self.inputContainer)
self.inputContainerLayout.setContentsMargins(0, 0, 0, 0)
self.inputContainer.setLayout(self.inputContainerLayout)
""" Create text edit """
self.taskTextEdit = QTextEdit(
placeholderText="Describe your task briefly.",
undoRedoEnabled=True)
""" Create vertical buttons container """
self.inputButtonContainer = QWidget()
self.inputButtonContainerLayout = QVBoxLayout(
self.inputButtonContainer)
self.inputButtonContainerLayout.setContentsMargins(0, 0, 0, 0)
self.inputButtonContainer.setLayout(self.inputButtonContainerLayout)
""" Create buttons """
self.acceptTaskButton = QToolButton(icon=makeIcon("check"))
self.deleteTaskButton = QToolButton(icon=makeIcon("trash"))
""" Create tasks tablewidget """
self.tasksTableWidget = QTableWidget(0, 1)
self.tasksTableWidget.setHorizontalHeaderLabels(["Tasks"])
self.tasksTableWidget.horizontalHeader().setStretchLastSection(True)
self.tasksTableWidget.verticalHeader().setVisible(False)
self.tasksTableWidget.setWordWrap(True)
self.tasksTableWidget.setTextElideMode(Qt.TextElideMode.ElideNone)
self.tasksTableWidget.setEditTriggers(
QAbstractItemView.EditTriggers.NoEditTriggers)
self.tasksTableWidget.setSelectionMode(
QAbstractItemView.SelectionMode.SingleSelection)
self.insertTasks(*settings.value(tasksKey, []))
""" Add widgets to container widgets """
self.inputButtonContainerLayout.addWidget(self.acceptTaskButton)
self.inputButtonContainerLayout.addWidget(self.deleteTaskButton)
self.inputContainerLayout.addWidget(self.taskTextEdit)
self.inputContainerLayout.addWidget(self.inputButtonContainer)
self.tasksWidgetLayout.addWidget(self.inputContainer)
self.tasksWidgetLayout.addWidget(self.tasksTableWidget)
return self.tasksWidget
def setupStatisticsTab(self):
""" Create statistics container """
self.statisticsContainer = QWidget()
self.statisticsContainerLayout = QVBoxLayout(self.statisticsContainer)
self.statisticsContainer.setLayout(self.statisticsContainerLayout)
""" Create work time groupbox """
self.statisticsWorkTimeGroupBox = QGroupBox("Work Time")
self.statisticsWorkTimeGroupBoxLayout = QHBoxLayout()
self.statisticsWorkTimeGroupBox.setLayout(
self.statisticsWorkTimeGroupBoxLayout)
self.statisticsWorkTimeDisplay = QLCDNumber(8)
self.statisticsWorkTimeDisplay.display("00:00:00")
self.statisticsWorkTimeGroupBoxLayout.addWidget(
self.statisticsWorkTimeDisplay)
""" Create rest time groupbox """
self.statisticsRestTimeGroupBox = QGroupBox("Rest Time")
self.statisticsRestTimeGroupBoxLayout = QHBoxLayout()
self.statisticsRestTimeGroupBox.setLayout(
self.statisticsRestTimeGroupBoxLayout)
self.statisticsRestTimeDisplay = QLCDNumber(8)
self.statisticsRestTimeDisplay.display("00:00:00")
self.statisticsRestTimeGroupBoxLayout.addWidget(
self.statisticsRestTimeDisplay)
""" Create total time groupbox """
self.statisticsTotalTimeGroupBox = QGroupBox("Total Time")
self.statisticsTotalTimeGroupBoxLayout = QHBoxLayout()
self.statisticsTotalTimeGroupBox.setLayout(
self.statisticsTotalTimeGroupBoxLayout)
self.statisticsTotalTimeDisplay = QLCDNumber(8)
self.statisticsTotalTimeDisplay.display("00:00:00")
self.statisticsTotalTimeGroupBoxLayout.addWidget(
self.statisticsTotalTimeDisplay)
""" Add widgets to container """
self.statisticsContainerLayout.addWidget(
self.statisticsTotalTimeGroupBox)
self.statisticsContainerLayout.addWidget(
self.statisticsWorkTimeGroupBox)
self.statisticsContainerLayout.addWidget(
self.statisticsRestTimeGroupBox)
return self.statisticsContainer
def setupTrayicon(self):
self.trayIcon = QSystemTrayIcon(makeIcon("tomato"))
self.trayIcon.setContextMenu(QMenu())
self.quitAction = self.trayIcon.contextMenu().addAction(
makeIcon("exit"), "Quit", self.exit)
self.quitAction.triggered.connect(self.exit)
self.trayIcon.activated.connect(self.onActivate)
self.trayIcon.show()
self.trayIcon.setToolTip("Pomodoro")
self.toast = ToastNotifier()
def leaveEvent(self, event):
super(MainWindow, self).leaveEvent(event)
self.tasksTableWidget.clearSelection()
def closeEvent(self, event):
super(MainWindow, self).closeEvent(event)
settings = QSettings()
settings.setValue(workHoursKey, self.workHoursSpinBox.value())
settings.setValue(
workMinutesKey,
self.workMinutesSpinBox.value(),
)
settings.setValue(
workSecondsKey,
self.workSecondsSpinBox.value(),
)
settings.setValue(restHoursKey, self.restHoursSpinBox.value())
settings.setValue(
restMinutesKey,
self.restMinutesSpinBox.value(),
)
settings.setValue(
restSecondsKey,
self.restSecondsSpinBox.value(),
)
tasks = []
for i in range(self.tasksTableWidget.rowCount()):
item = self.tasksTableWidget.item(i, 0)
if not item.font().strikeOut():
tasks.append(item.text())
settings.setValue(tasksKey, tasks)
def startTimer(self):
try:
if not self.timer.isActive():
self.createTimer()
except:
self.createTimer()
def createTimer(self):
self.timer = QTimer()
self.timer.timeout.connect(self.updateTime)
self.timer.timeout.connect(self.maybeChangeMode)
self.timer.setInterval(1000)
self.timer.setSingleShot(False)
self.timer.start()
def pauseTimer(self):
try:
self.timer.stop()
self.timer.disconnect()
except:
pass
def resetTimer(self):
try:
self.pauseTimer()
self.time = QTime(0, 0, 0, 0)
self.displayTime()
except:
pass
def maybeStartTimer(self):
if self.currentRepetitions != self.maxRepetitions:
self.startTimer()
started = True
else:
self.currentRepetitions = 0
started = False
return started
def updateWorkEndTime(self):
self.workEndTime = QTime(
self.workHoursSpinBox.value(),
self.workMinutesSpinBox.value(),
self.workSecondsSpinBox.value(),
)
def updateRestEndTime(self):
self.restEndTime = QTime(
self.restHoursSpinBox.value(),
self.restMinutesSpinBox.value(),
self.restSecondsSpinBox.value(),
)
def updateCurrentMode(self, mode: str):
self.currentMode = Mode.work if mode == "work" else Mode.rest
def updateTime(self):
self.time = self.time.addSecs(1)
self.totalTime = self.totalTime.addSecs(1)
if self.modeComboBox.currentText() == "work":
self.workTime = self.workTime.addSecs(1)
else:
self.restTime = self.restTime.addSecs(1)
self.displayTime()
def updateMaxRepetitions(self, value):
if value == 0:
self.currentRepetitions = 0
self.maxRepetitions = -1
else:
self.maxRepetitions = 2 * value
def maybeChangeMode(self):
if self.currentMode is Mode.work and self.time >= self.workEndTime:
self.resetTimer()
self.modeComboBox.setCurrentIndex(1)
self.incrementCurrentRepetitions()
started = self.maybeStartTimer()
self.showWindowMessage(
Status.workFinished if started else Status.repetitionsReached)
if not started:
self.resetButton.click()
elif self.currentMode is Mode.rest and self.time >= self.restEndTime:
self.resetTimer()
self.modeComboBox.setCurrentIndex(0)
self.incrementCurrentRepetitions()
started = self.maybeStartTimer()
self.showWindowMessage(
Status.restFinished if started else Status.repetitionsReached)
if not started:
self.resetButton.click()
def incrementCurrentRepetitions(self):
if self.maxRepetitions > 0:
self.currentRepetitions += 1
def insertTask(self):
task = self.taskTextEdit.toPlainText()
self.insertTasks(task)
def insertTasks(self, *tasks):
for task in tasks:
if task:
rowCount = self.tasksTableWidget.rowCount()
self.tasksTableWidget.setRowCount(rowCount + 1)
self.tasksTableWidget.setItem(rowCount, 0,
QTableWidgetItem(task))
self.tasksTableWidget.resizeRowsToContents()
self.taskTextEdit.clear()
def deleteTask(self):
selectedIndexes = self.tasksTableWidget.selectedIndexes()
if selectedIndexes:
self.tasksTableWidget.removeRow(selectedIndexes[0].row())
def markTaskAsFinished(self, row, col):
item = self.tasksTableWidget.item(row, col)
font = self.tasksTableWidget.item(row, col).font()
font.setStrikeOut(False if item.font().strikeOut() else True)
item.setFont(font)
def displayTime(self):
self.timeDisplay.display(self.time.toString(self.timeFormat))
self.statisticsRestTimeDisplay.display(
self.restTime.toString(self.timeFormat))
self.statisticsWorkTimeDisplay.display(
self.workTime.toString(self.timeFormat))
self.statisticsTotalTimeDisplay.display(
self.totalTime.toString(self.timeFormat))
def showWindowMessage(self, status):
if status is Status.workFinished:
title, text = "Break", choice(work_finished_phrases)
elif status is Status.restFinished:
title, text = "Work", choice(rest_finished_phrases)
else:
title, text = "Finished", choice(work_finished_phrases)
self.trayIcon.showMessage(title, text, makeIcon("tomato"))
self.toast.show_toast(title,
text,
icon_path="pomodoro/data/icons/tomato.ico",
duration=10,
threaded=True)
def makeButton(self, text, iconName=None, disabled=True):
button = QPushButton(text, sizePolicy=self.size_policy)
if iconName:
button.setIcon(makeIcon(iconName))
button.setDisabled(disabled)
return button
def exit(self):
self.close()
app = QApplication.instance()
if app:
app.quit()
def onActivate(self, reason):
if reason == QSystemTrayIcon.ActivationReason.Trigger:
self.show()
class MainWindow(QMainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
layout = QVBoxLayout()
self.editor = TextEdit()
self.editor.setAutoFormatting(QTextEdit.AutoFormatting.AutoAll)
self.editor.selectionChanged.connect(self.update_format)
font = QFont("Times", 12)
self.editor.setFont(font)
self.editor.setFontPointSize(12)
self.path = None
layout.addWidget(self.editor)
container = QWidget()
container.setLayout(layout)
self.setCentralWidget(container)
self.status = QStatusBar()
self.setStatusBar(self.status)
file_toolbar = QToolBar("File")
file_toolbar.setIconSize(QSize(14, 14))
self.addToolBar(file_toolbar)
file_menu = self.menuBar().addMenu("&File")
open_file_action = QAction(
QIcon(os.path.join("images", "blue-folder-open-document.png")),
"Open file...",
self,
)
open_file_action.setStatusTip("Open file")
open_file_action.triggered.connect(self.file_open)
file_menu.addAction(open_file_action)
file_toolbar.addAction(open_file_action)
save_file_action = QAction(QIcon(os.path.join("images", "disk.png")),
"Save", self)
save_file_action.setStatusTip("Save current page")
save_file_action.triggered.connect(self.file_save)
file_menu.addAction(save_file_action)
file_toolbar.addAction(save_file_action)
save_as_file_action = QAction(
QIcon(os.path.join("images", "disk--pencil.png")), "Save As...",
self)
save_as_file_action.setStatusTip("Save current page to specified file")
save_as_file_action.triggered.connect(self.file_save_as)
file_menu.addAction(save_as_file_action)
file_toolbar.addAction(save_as_file_action)
print_action = QAction(QIcon(os.path.join("images", "printer.png")),
"Print...", self)
print_action.setStatusTip("Print current page")
print_action.triggered.connect(self.file_print)
file_menu.addAction(print_action)
file_toolbar.addAction(print_action)
edit_toolbar = QToolBar("Edit")
edit_toolbar.setIconSize(QSize(16, 16))
self.addToolBar(edit_toolbar)
edit_menu = self.menuBar().addMenu("&Edit")
undo_action = QAction(
QIcon(os.path.join("images", "arrow-curve-180-left.png")), "Undo",
self)
undo_action.setStatusTip("Undo last change")
undo_action.triggered.connect(self.editor.undo)
edit_menu.addAction(undo_action)
redo_action = QAction(QIcon(os.path.join("images", "arrow-curve.png")),
"Redo", self)
redo_action.setStatusTip("Redo last change")
redo_action.triggered.connect(self.editor.redo)
edit_toolbar.addAction(redo_action)
edit_menu.addAction(redo_action)
edit_menu.addSeparator()
cut_action = QAction(QIcon(os.path.join("images", "scissors.png")),
"Cut", self)
cut_action.setStatusTip("Cut selected text")
cut_action.setShortcut(QKeySequence.StandardKey.Cut)
cut_action.triggered.connect(self.editor.cut)
edit_toolbar.addAction(cut_action)
edit_menu.addAction(cut_action)
copy_action = QAction(
QIcon(os.path.join("images", "document-copy.png")), "Copy", self)
copy_action.setStatusTip("Copy selected text")
cut_action.setShortcut(QKeySequence.StandardKey.Copy)
copy_action.triggered.connect(self.editor.copy)
edit_toolbar.addAction(copy_action)
edit_menu.addAction(copy_action)
paste_action = QAction(
QIcon(os.path.join("images", "clipboard-paste-document-text.png")),
"Paste",
self,
)
paste_action.setStatusTip("Paste from clipboard")
cut_action.setShortcut(QKeySequence.StandardKey.Paste)
paste_action.triggered.connect(self.editor.paste)
edit_toolbar.addAction(paste_action)
edit_menu.addAction(paste_action)
select_action = QAction(
QIcon(os.path.join("images", "selection-input.png")), "Select all",
self)
select_action.setStatusTip("Select all text")
cut_action.setShortcut(QKeySequence.StandardKey.SelectAll)
select_action.triggered.connect(self.editor.selectAll)
edit_menu.addAction(select_action)
edit_menu.addSeparator()
wrap_action = QAction(
QIcon(os.path.join("images", "arrow-continue.png")),
"Wrap text to window",
self,
)
wrap_action.setStatusTip("Toggle wrap text to window")
wrap_action.setCheckable(True)
wrap_action.setChecked(True)
wrap_action.triggered.connect(self.edit_toggle_wrap)
edit_menu.addAction(wrap_action)
format_toolbar = QToolBar("Format")
format_toolbar.setIconSize(QSize(16, 16))
self.addToolBar(format_toolbar)
format_menu = self.menuBar().addMenu("&Format")
self.fonts = QFontComboBox()
self.fonts.currentFontChanged.connect(self.editor.setCurrentFont)
format_toolbar.addWidget(self.fonts)
self.fontsize = QComboBox()
self.fontsize.addItems([str(s) for s in FONT_SIZES])
self.fontsize.currentTextChanged[str].connect(
lambda s: self.editor.setFontPointSize(float(s)))
format_toolbar.addWidget(self.fontsize)
self.bold_action = QAction(
QIcon(os.path.join("images", "edit-bold.png")), "Bold", self)
self.bold_action.setStatusTip("Bold")
self.bold_action.setShortcut(QKeySequence.StandardKey.Bold)
self.bold_action.setCheckable(True)
self.bold_action.toggled.connect(lambda x: self.editor.setFontWeight(
QFont.Weight.Bold if x else QFont.Weight.Normal))
format_toolbar.addAction(self.bold_action)
format_menu.addAction(self.bold_action)
self.italic_action = QAction(
QIcon(os.path.join("images", "edit-italic.png")), "Italic", self)
self.italic_action.setStatusTip("Italic")
self.italic_action.setShortcut(QKeySequence.StandardKey.Italic)
self.italic_action.setCheckable(True)
self.italic_action.toggled.connect(self.editor.setFontItalic)
format_toolbar.addAction(self.italic_action)
format_menu.addAction(self.italic_action)
self.underline_action = QAction(
QIcon(os.path.join("images", "edit-underline.png")), "Underline",
self)
self.underline_action.setStatusTip("Underline")
self.underline_action.setShortcut(QKeySequence.StandardKey.Underline)
self.underline_action.setCheckable(True)
self.underline_action.toggled.connect(self.editor.setFontUnderline)
format_toolbar.addAction(self.underline_action)
format_menu.addAction(self.underline_action)
format_menu.addSeparator()
self.align_left_action = QAction(
QIcon(os.path.join("images", "edit-alignment.png")), "Align left",
self)
self.align_left_action.setStatusTip("Align text left")
self.align_left_action.setCheckable(True)
self.align_left_action.triggered.connect(
lambda: self.editor.setAlignment(Qt.Alignment.AlignLeft))
format_toolbar.addAction(self.align_left_action)
format_menu.addAction(self.align_left_action)
self.align_center_action = QAction(
QIcon(os.path.join("images", "edit-alignment-center.png")),
"Align center",
self,
)
self.align_center_action.setStatusTip("Align text center")
self.align_center_action.setCheckable(True)
self.align_center_action.triggered.connect(
lambda: self.editor.setAlignment(Qt.Alignment.AlignCenter))
format_toolbar.addAction(self.align_center_action)
format_menu.addAction(self.align_center_action)
self.align_right_action = QAction(
QIcon(os.path.join("images", "edit-alignment-right.png")),
"Align right",
self,
)
self.align_right_action.setStatusTip("Align text right")
self.align_right_action.setCheckable(True)
self.align_right_action.triggered.connect(
lambda: self.editor.setAlignment(Qt.Alignment.AlignRight))
format_toolbar.addAction(self.align_right_action)
format_menu.addAction(self.align_right_action)
self.align_justify_action = QAction(
QIcon(os.path.join("images", "edit-alignment-justify.png")),
"Justify", self)
self.align_justify_action.setStatusTip("Justify text")
self.align_justify_action.setCheckable(True)
self.align_justify_action.triggered.connect(
lambda: self.editor.setAlignment(Qt.Alignment.AlignJustify))
format_toolbar.addAction(self.align_justify_action)
format_menu.addAction(self.align_justify_action)
format_group = QActionGroup(self)
format_group.setExclusive(True)
format_group.addAction(self.align_left_action)
format_group.addAction(self.align_center_action)
format_group.addAction(self.align_right_action)
format_group.addAction(self.align_justify_action)
format_menu.addSeparator()
self._format_actions = [
self.fonts,
self.fontsize,
self.bold_action,
self.italic_action,
self.underline_action,
]
self.update_format()
self.update_title()
self.show()
def block_signals(self, objects, b):
for o in objects:
o.blockSignals(b)
def update_format(self):
"""
Update the font format toolbar/actions when a new text selection is made. This is necessary to keep
toolbars/etc. in sync with the current edit state.
:return:
"""
self.block_signals(self._format_actions, True)
self.fonts.setCurrentFont(self.editor.currentFont())
self.fontsize.setCurrentText(str(int(self.editor.fontPointSize())))
self.italic_action.setChecked(self.editor.fontItalic())
self.underline_action.setChecked(self.editor.fontUnderline())
self.bold_action.setChecked(self.editor.fontWeight() == QFont.bold)
self.align_left_action.setChecked(
self.editor.alignment() == Qt.Alignment.AlignLeft)
self.align_center_action.setChecked(
self.editor.alignment() == Qt.Alignment.AlignCenter)
self.align_right_action.setChecked(
self.editor.alignment() == Qt.Alignment.AlignRight)
self.align_justify_action.setChecked(
self.editor.alignment() == Qt.Alignment.AlignJustify)
self.block_signals(self._format_actions, False)
def dialog_critical(self, s):
dlg = QMessageBox(self)
dlg.setText(s)
dlg.setIcon(QMessageBox.Critical)
dlg.show()
def file_open(self):
path, _ = QFileDialog.getOpenFileName(
self,
"Open file",
"",
"Text documents (*.txt);;All files (*.*)",
)
try:
with open(path, "rU") as f:
text = f.read()
except Exception as e:
self.dialog_critical(str(e))
else:
self.path = path
self.editor.setText(text)
self.update_title()
def file_save(self):
if self.path is None:
return self.file_save_as()
text = self.editor.toHtml() if splitext(
self.path) in TEXT_EXTENSIONS else self.editor.toPlainText()
try:
with open(self.path, "w") as f:
f.write(text)
except Exception as e:
self.dialog_critical(str(e))
def file_save_as(self):
path, _ = QFileDialog.getSaveFileName(
self,
"Save file",
"",
"Text documents (*.txt);;All files (*.*)",
)
if not path:
return
text = self.editor.toPlainText() if splitext(
path) in TEXT_EXTENSIONS else self.editor.toPlainText()
try:
with open(path, "w") as f:
f.write(text)
except Exception as e:
self.dialog_critical(str(e))
else:
self.path = path
self.update_title()
def file_print(self):
dlg = QPrintDialog()
if dlg.exec_():
self.editor.print_(dlg.printer())
def update_title(self):
self.setWindowTitle(
"%s - Megasolid Idiom" %
(os.path.basename(self.path) if self.path else "Untitled"))
def edit_toggle_wrap(self):
self.editor.setLineWrapMode(1 if self.editor.lineWrapMode() ==
0 else 0)