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config.py
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from PyQt5 import QtGui, QtWidgets, uic, QtCore
from PyQt5.QtWidgets import QColorDialog, QToolButton, QGridLayout, QSizePolicy
from PyQt5.QtCore import Qt
from gui import gui_utils
from . import settings
import os
import glob
import json
from functools import partial
from medusa.bci import cvep_spellers
from medusa import components
import pickle
from gui.qt_widgets.notifications import NotificationStack
from gui.qt_widgets.dialogs import error_dialog, warning_dialog
from medusa.bci.cvep_spellers import LFSR, LFSR_PRIMITIVE_POLYNOMIALS
import matplotlib.pyplot as plt
from matplotlib.ticker import FormatStrFormatter
import numpy as np
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
from matplotlib.figure import Figure
# Load the .ui files
ui_main_file = uic.loadUiType(os.path.dirname(__file__) + "/config.ui")[0]
ui_target_file = uic.loadUiType(os.path.dirname(__file__) +
"/config_target.ui")[0]
ui_encoding_file = uic.loadUiType(os.path.dirname(__file__) +
"/config_encoding.ui")[0]
class Config(QtWidgets.QDialog, ui_main_file):
""" This class provides graphical configuration for the app """
close_signal = QtCore.pyqtSignal(object)
def __init__(self, sett, medusa_interface,
working_lsl_streams_info, theme_colors=None):
"""
Config constructor.
Parameters
----------
sett: settings.Settings
Instance of class Settings defined in settings.py in the app
directory
"""
QtWidgets.QMainWindow.__init__(self)
self.setWindowFlags(
self.windowFlags() & ~Qt.WindowContextHelpButtonHint)
self.setupUi(self)
self.TAG = '[apps/cvep_opacity/config] '
# Load default settings
self.settings = sett.Settings() if sett is None else sett
# Initialize the gui application
theme_colors = gui_utils.get_theme_colors('dark')
self.stl = gui_utils.set_css_and_theme(self, theme_colors)
self.setWindowIcon(QtGui.QIcon('gui/images/medusa_task_icon.png'))
self.setWindowTitle('c-VEP Speller Configuration')
self.changes_made = False
self.notifications = NotificationStack(parent=self, timer_ms=500)
# Adjust parameters depending on default option
if self.comboBox_mode.currentText() == 'Online':
self.train_test_box.setCurrentIndex(1)
self.lineEdit_session.setText('Test')
self.label_cvepmodel.setVisible(True)
self.label_test_cycles.setVisible(True)
self.spinBox_testcycles.setVisible(True)
self.lineEdit_cvepmodel.setVisible(True)
self.btn_browse_cvepmodel.setVisible(True)
self.label_train_trials.setVisible(False)
self.label_train_cycles.setVisible(False)
self.spinBox_traincycles.setVisible(False)
self.spinBox_traintrials.setVisible(False)
else:
self.train_test_box.setCurrentIndex(0)
self.lineEdit_session.setText('Train')
self.label_cvepmodel.setVisible(False)
self.label_test_cycles.setVisible(False)
self.spinBox_testcycles.setVisible(False)
self.lineEdit_cvepmodel.setVisible(False)
self.btn_browse_cvepmodel.setVisible(False)
self.label_train_trials.setVisible(True)
self.label_train_cycles.setVisible(True)
self.spinBox_traincycles.setVisible(True)
self.spinBox_traintrials.setVisible(True)
# Connect signals
self.btn_reset.clicked.connect(self.reset)
self.btn_save.clicked.connect(self.save)
self.btn_load.clicked.connect(self.load)
self.btn_done.clicked.connect(self.done)
self.comboBox_mode.currentIndexChanged.connect(self.on_mode_changed)
self.btn_train_model.clicked.connect(self.train_model)
self.btn_browse_cvepmodel.clicked.connect(self.browse_model)
self.btn_update_matrix.clicked.connect(self.update_test_matrix)
self.comboBox_seqlength.currentTextChanged.connect(
self.on_seqlen_changed)
# Color buttons
self.btn_color_box0.clicked.connect(self.open_color_dialog(
self.btn_color_box0))
self.btn_color_box1.clicked.connect(
self.open_color_dialog(self.btn_color_box1))
self.btn_color_text0.clicked.connect(self.open_color_dialog(
self.btn_color_text0))
self.btn_color_text1.clicked.connect(
self.open_color_dialog(self.btn_color_text1))
self.btn_color_background.clicked.connect(
self.open_color_dialog(self.btn_color_background))
self.btn_color_target_box.clicked.connect(self.open_color_dialog(
self.btn_color_target_box))
self.btn_color_highlight_result_box.clicked.connect(
self.open_color_dialog(self.btn_color_highlight_result_box))
self.btn_default_box_color.clicked.connect(
self.open_color_dialog(self.btn_default_box_color))
self.btn_default_text_color.clicked.connect(
self.open_color_dialog(self.btn_default_text_color))
self.btn_color_fps_good.clicked.connect(self.open_color_dialog(
self.btn_color_fps_good))
self.btn_color_fps_bad.clicked.connect(self.open_color_dialog(
self.btn_color_fps_bad))
self.btn_color_result_info_box.clicked.connect(
self.open_color_dialog(self.btn_color_result_info_box))
self.btn_color_result_info_label.clicked.connect(
self.open_color_dialog(self.btn_color_result_info_label))
self.btn_color_result_info_text.clicked.connect(
self.open_color_dialog(self.btn_color_result_info_text))
# Background Options
if self.comboBox_scenario_name.currentText() == "Solid Color":
self.lineEdit_scenario.setVisible(False)
self.btn_browse_scenario.setVisible(False)
elif self.comboBox_scenario_name.currentText() == "Real Scenario":
self.label_color_background.setVisible(False)
self.btn_color_background.setVisible(False)
self.comboBox_scenario_name.currentIndexChanged.connect(self.on_background_changed)
self.btn_browse_scenario.clicked.connect(self.browse_scenario)
# Set settings to GUI
self.set_settings_to_gui()
self.on_seqlen_changed()
self.notifications.new_notification('Default settings loaded')
# Train model items
self.tableWidget_bpf.setContextMenuPolicy(Qt.CustomContextMenu)
self.tableWidget_bpf.customContextMenuRequested.connect(
self.on_custom_table_menu
)
# Application ready
self.setModal(True)
self.show()
# --------------------- Settings updating --------------------
def on_mode_changed(self):
if self.comboBox_mode.currentText() == 'Online':
self.train_test_box.setCurrentIndex(1)
self.lineEdit_session.setText('Test')
self.label_cvepmodel.setVisible(True)
self.label_test_cycles.setVisible(True)
self.spinBox_testcycles.setVisible(True)
self.lineEdit_cvepmodel.setVisible(True)
self.btn_browse_cvepmodel.setVisible(True)
self.label_train_trials.setVisible(False)
self.label_train_cycles.setVisible(False)
self.spinBox_traincycles.setVisible(False)
self.spinBox_traintrials.setVisible(False)
else:
self.train_test_box.setCurrentIndex(0)
self.lineEdit_session.setText('Train')
self.label_cvepmodel.setVisible(False)
self.label_test_cycles.setVisible(False)
self.spinBox_testcycles.setVisible(False)
self.lineEdit_cvepmodel.setVisible(False)
self.btn_browse_cvepmodel.setVisible(False)
self.label_train_trials.setVisible(True)
self.label_train_cycles.setVisible(True)
self.spinBox_traincycles.setVisible(True)
self.spinBox_traintrials.setVisible(True)
def on_seqlen_changed(self):
mseqlen = int(self.comboBox_seqlength.currentText())
# Compute parameters
if mseqlen == 31:
order = 5
seed = [1 for i in range(order)]
poly_ = LFSR_PRIMITIVE_POLYNOMIALS['base'][2]['order'][5]
elif mseqlen == 63:
order = 6
seed = [1, 1, 1, 1, 1, 0]
poly_ = LFSR_PRIMITIVE_POLYNOMIALS['base'][2]['order'][6]
elif mseqlen == 127:
order = 7
seed = [1 for i in range(order)]
poly_ = LFSR_PRIMITIVE_POLYNOMIALS['base'][2]['order'][7]
elif mseqlen == 255:
order = 8
seed = [1 for i in range(order)]
poly_ = LFSR_PRIMITIVE_POLYNOMIALS['base'][2]['order'][8]
else:
raise ValueError('[cvep_opacity/settings] Sequence length of %i '
'not supported (use 31, 63, 127 or 255)!' %
mseqlen)
tau = round(mseqlen / (int(self.spinBox_nrow.value()) *
int(self.spinBox_nrow.value())))
cycle_dur = mseqlen / float(self.spinBox_fpsresolution.value())
# Update things
self.lineEdit_poly.setText(str(poly_))
self.lineEdit_base.setText(str(2))
self.lineEdit_order.setText(str(order))
self.lineEdit_seed.setText(str(seed))
self.lineEdit_tau.setText(str(tau))
self.lineEdit_cycleduration.setText(str(cycle_dur))
def on_background_changed(self):
if self.comboBox_scenario_name.currentText() == "Solid Color":
self.btn_color_background.setVisible(True)
self.label_color_background.setVisible(True)
self.lineEdit_scenario.setVisible(False)
self.btn_browse_scenario.setVisible(False)
gui_utils.modify_property(self.btn_color_background,
'background-color',
self.settings.background.color_background[:7])
elif self.comboBox_scenario_name.currentText() == "Real Scenario":
self.btn_color_background.setVisible(False)
self.label_color_background.setVisible(False)
self.lineEdit_scenario.setVisible(True)
self.btn_browse_scenario.setVisible(True)
def set_settings_to_gui(self):
# Run settings
self.lineEdit_user.setText(self.settings.run_settings.user)
self.lineEdit_session.setText(self.settings.run_settings.session)
self.spinBox_run.setValue(self.settings.run_settings.run)
self.comboBox_mode.setCurrentText(self.settings.run_settings.mode)
self.spinBox_traincycles.setValue(
self.settings.run_settings.train_cycles)
self.spinBox_traintrials.setValue(
self.settings.run_settings.train_trials)
self.spinBox_testcycles.setValue(self.settings.run_settings.test_cycles)
self.lineEdit_cvepmodel.setText(
self.settings.run_settings.cvep_model_path)
self.spinBox_fpsresolution.setValue(
self.settings.run_settings.fps_resolution)
self.checkBox_photodiode.setChecked(
self.settings.run_settings.enable_photodiode)
# Timings
self.doubleSpinBox_t_prev_text.setValue(
self.settings.timings.t_prev_text)
self.doubleSpinBox_t_prev_iddle.setValue(
self.settings.timings.t_prev_iddle)
self.doubleSpinBox_t_finish_text.setValue(
self.settings.timings.t_finish_text)
# Colors
gui_utils.modify_property(self.btn_color_box0, 'background-color',
self.settings.colors.color_box_0[:7])
gui_utils.modify_property(self.btn_color_box1, 'background-color',
self.settings.colors.color_box_1[:7])
gui_utils.modify_property(self.btn_color_text0, 'background-color',
self.settings.colors.color_text_0[:7])
gui_utils.modify_property(self.btn_color_text1, 'background-color',
self.settings.colors.color_text_1[:7])
gui_utils.modify_property(self.btn_color_target_box, 'background-color',
self.settings.colors.color_target_box[:7])
gui_utils.modify_property(self.btn_color_highlight_result_box,
'background-color',
self.settings.colors.color_highlight_result_box[:7])
gui_utils.modify_property(self.btn_default_box_color,
'background-color',
self.settings.colors.default_box_color[:7])
gui_utils.modify_property(self.btn_default_text_color,
'background-color',
self.settings.colors.default_text_color[:7])
gui_utils.modify_property(self.btn_color_fps_good, 'background-color',
self.settings.colors.color_fps_good[:7])
gui_utils.modify_property(self.btn_color_fps_bad, 'background-color',
self.settings.colors.color_fps_bad[:7])
gui_utils.modify_property(self.btn_color_result_info_box,
'background-color',
self.settings.colors.color_result_info_box[
:7])
gui_utils.modify_property(self.btn_color_result_info_label,
'background-color',
self.settings.colors.color_result_info_label[
:7])
gui_utils.modify_property(self.btn_color_result_info_text,
'background-color',
self.settings.colors.color_result_info_text[
:7])
# Opacity
self.spinBox_op_box_0.setValue(self.settings.colors.color_op_box_0)
self.spinBox_op_box_1.setValue(self.settings.colors.color_op_box_1)
self.spinBox_op_text_0.setValue(self.settings.colors.color_op_text_0)
self.spinBox_op_text_1.setValue(self.settings.colors.color_op_text_1)
# Background Scenarios
self.comboBox_scenario_name.setCurrentText(self.settings.background.scenario_name)
gui_utils.modify_property(self.btn_color_background,
'background-color',
self.settings.background.color_background[:7])
self.lineEdit_scenario.setText(
self.settings.background.scenario_path)
# Useful PyQt policies
policy_max_pre = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Preferred)
policy_max_max = QSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
policy_fix_fix = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
# Test matrices
# Create the required number of tabs
n_extra = len(self.settings.matrices['test']) - \
self.widget_nested_test.count()
for t in range(1, n_extra + 1):
mtx_widget_ = QtWidgets.QWidget(self.widget_nested_test)
mtx_idx_ = self.nested_box.count() - 1
self.widget_nested_test.insertTab(mtx_idx_, mtx_widget_,
'Matrix #' + str(mtx_idx_))
self.widget_nested_test.setCurrentIndex(0)
# Create each test matrix
for m in range(len(self.settings.matrices['test'])):
# Set the current index and create the general layout
curr_mtx = self.settings.matrices['test'][m]
self.widget_nested_test.setCurrentIndex(m)
global_layout = QtWidgets.QVBoxLayout()
# Create the result text frame
result_frame = QtWidgets.QFrame()
result_text = QtWidgets.QLabel('B C I')
result_text.setObjectName('label_result_text')
result_text.setAlignment(QtCore.Qt.AlignLeft)
result_title = QtWidgets.QLabel('RESULT ')
result_title.setObjectName('label_result_title')
result_title.setAlignment(QtCore.Qt.AlignLeft)
result_title.setSizePolicy(policy_max_pre)
fps_monitor = QtWidgets.QLabel(
'FPS @%iHz' % self.settings.run_settings.fps_resolution)
fps_monitor.setObjectName('label_fps')
fps_monitor.setAlignment(QtCore.Qt.AlignRight)
result_layout = QtWidgets.QHBoxLayout()
result_layout.addWidget(result_title)
result_layout.addWidget(result_text)
result_layout.addWidget(fps_monitor)
result_frame.setLayout(result_layout)
global_layout.addWidget(result_frame)
# Customize the result text
gui_utils.modify_properties(
result_title, {
"font-style": "italic",
"color": self.settings.colors.color_result_info_text[:7]
})
gui_utils.modify_property(
result_frame, "background-color",
self.settings.colors.color_result_info_box[:7])
gui_utils.modify_property(
fps_monitor, "color",
self.settings.colors.color_fps_good[:7])
# Create a new layout for the commands
new_layout = QGridLayout()
new_layout.setContentsMargins(0, 0, 0, 0)
new_layout.setSpacing(10)
new_layout.setContentsMargins(10, 10, 10, 10)
# Add buttons as commands
for r in range(curr_mtx.n_row):
for c in range(curr_mtx.n_col):
key_ = curr_mtx.matrix_list[r][c].sequence[0]
temp_button = QToolButton()
temp_button.setObjectName('btn_command')
temp_button.setText(curr_mtx.matrix_list[r][c].text)
temp_button.clicked.connect(self.btn_command_on_click(r, c))
temp_button.setMinimumSize(60, 60)
temp_button.setSizePolicy(policy_max_max)
box_color_ = self.settings.colors.color_box_0 if \
key_ == 0 else self.settings.colors.color_box_1
text_color_ = self.settings.colors.color_text_0 if \
key_ == 0 else self.settings.colors.color_text_1
gui_utils.modify_properties(
temp_button, {
"background-color": box_color_,
"font-family": 'sans-serif, Helvetica, Arial',
'font-size': '30px',
'color': text_color_,
'border': 'transparent'
})
new_layout.addWidget(temp_button, r, c)
global_layout.addLayout(new_layout)
global_layout.setSpacing(0)
global_layout.setContentsMargins(0, 0, 0, 0)
# Update the tab
new_tab = QtWidgets.QFrame()
new_tab.setLayout(global_layout)
gui_utils.modify_property(new_tab, 'background-color',
self.settings.background.color_background[:7])
self.update_tab(self.widget_nested_test, m, new_tab)
self.spinBox_nrow.setValue(self.settings.matrices['test'][0].n_row)
self.spinBox_ncol.setValue(self.settings.matrices['test'][0].n_col)
# Train matrices
# Create the required number of tabs
n_extra = len(self.settings.matrices['train']) - \
self.widget_nested_train.count()
for t in range(1, n_extra + 1):
mtx_widget_ = QtWidgets.QWidget(self.widget_nested_train)
mtx_idx_ = self.nested_box.count() - 1
self.widget_nested_train.insertTab(mtx_idx_, mtx_widget_,
'Matrix #' + str(mtx_idx_))
self.widget_nested_train.setCurrentIndex(0)
# Create each training matrix
for m in range(len(self.settings.matrices['train'])):
# Set the current index and create the general layout
curr_mtx = self.settings.matrices['train'][m]
self.widget_nested_train.setCurrentIndex(m)
global_layout = QtWidgets.QVBoxLayout()
# Create the result text frame
result_frame = QtWidgets.QFrame()
result_text = QtWidgets.QLabel('B C I')
result_text.setObjectName('label_result_text')
result_text.setAlignment(QtCore.Qt.AlignLeft)
result_title = QtWidgets.QLabel('RESULT ')
result_title.setObjectName('label_result_title')
result_title.setAlignment(QtCore.Qt.AlignLeft)
result_title.setSizePolicy(policy_max_pre)
fps_monitor = QtWidgets.QLabel(
'FPS @%iHz' % self.settings.run_settings.fps_resolution)
fps_monitor.setObjectName('label_fps')
fps_monitor.setAlignment(QtCore.Qt.AlignRight)
result_layout = QtWidgets.QHBoxLayout()
result_layout.addWidget(result_title)
result_layout.addWidget(result_text)
result_layout.addWidget(fps_monitor)
result_frame.setLayout(result_layout)
global_layout.addWidget(result_frame)
# Customize the result text
gui_utils.modify_properties(
result_title, {
"font-style": "italic",
"color": self.settings.colors.color_result_info_text[:7]
})
gui_utils.modify_property(
result_frame, "background-color",
self.settings.colors.color_result_info_box[:7])
gui_utils.modify_property(
fps_monitor, "color",
self.settings.colors.color_fps_good[:7])
# Create a new layout for the commands
new_layout = QGridLayout()
new_layout.setContentsMargins(0, 0, 0, 0)
new_layout.setSpacing(10)
new_layout.setContentsMargins(10, 10, 10, 10)
# Add buttons as commands
for r in range(curr_mtx.n_row):
for c in range(curr_mtx.n_col):
key_ = curr_mtx.matrix_list[r][c].sequence[0]
temp_button = QToolButton()
temp_button.setObjectName('btn_command')
temp_button.setSizePolicy(policy_max_max)
temp_button.setText(curr_mtx.matrix_list[r][c].text)
temp_button.setMinimumSize(60, 60)
temp_button.clicked.connect(
self.btn_command_on_click(r, c))
box_color_ = self.settings.colors.color_box_0 if \
key_ == 0 else self.settings.colors.color_box_1
text_color_ = self.settings.colors.color_text_0 if \
key_ == 0 else self.settings.colors.color_text_1
gui_utils.modify_properties(
temp_button, {
"background-color": box_color_,
"font-family": 'sans-serif, Helvetica, Arial',
'font-size': '30px',
'color': text_color_,
'border': 'transparent'
})
new_layout.addWidget(temp_button, r, c)
global_layout.addLayout(new_layout)
global_layout.setSpacing(0)
global_layout.setContentsMargins(0, 0, 0, 0)
# Update the tab
new_tab = QtWidgets.QFrame()
new_tab.setLayout(global_layout)
gui_utils.modify_property(new_tab, 'background-color',
self.settings.background.color_background[:7])
self.update_tab(self.widget_nested_train, m, new_tab)
# Filter cutoffs according to fps_resolution
self.update_table_cutoffs()
# Sequence length in test
seqlen = len(self.settings.matrices['test'][0].item_list[0].sequence)
index = self.comboBox_seqlength.findText(str(seqlen), Qt.MatchFixedString)
self.comboBox_seqlength.setCurrentIndex(index)
def btn_command_on_click(self, row, col):
def set_config():
# This function is required in order to accept passing arguments
# (function factory)
current_index = self.widget_nested_test.currentIndex()
target_dialog = TargetConfigDialog(
self.settings.matrices['test'][current_index].
matrix_list[row][col], current_index)
if target_dialog.exec_():
# Get the returned values
self.settings.matrices['test'][
current_index].matrix_list[row][col].set_text(
target_dialog.input_target_text.text())
self.settings.matrices['test'][
current_index].matrix_list[row][col].set_label(
target_dialog.input_target_label.text())
seq = eval(target_dialog.input_target_sequence.text())
self.settings.matrices['test'][
current_index].matrix_list[row][col].set_sequence(
seq)
# Update the GUI
self.set_settings_to_gui()
return set_config
def update_tab(self, tabwidget, index, new_content):
""" Updates the specified tab content.
:param index: int
Tab index.
:param new_content:
Content to insert.
"""
tabwidget.insertTab(index, new_content, 'New')
tabwidget.removeTab(index + 1)
self.update_matrix_names(tabwidget)
@staticmethod
def update_matrix_names(tabwidget):
""" Updates the matrix names in case that some middle matrix
has been deleted. """
for tab_idx in range(tabwidget.count()):
tabwidget.setTabText(tab_idx, 'Matrix #' + str(tab_idx + 1))
def get_settings_from_gui(self):
# Run settings
self.settings.run_settings.user = self.lineEdit_user.text()
self.settings.run_settings.session = self.lineEdit_session.text()
self.settings.run_settings.run = self.spinBox_run.value()
self.settings.run_settings.mode = self.comboBox_mode.currentText()
self.settings.run_settings.train_cycles = \
self.spinBox_traincycles.value()
self.settings.run_settings.train_trials = \
self.spinBox_traintrials.value()
self.settings.run_settings.test_cycles = self.spinBox_testcycles.value()
self.settings.run_settings.cvep_model_path = self.lineEdit_cvepmodel.text()
self.settings.run_settings.fps_resolution = self.spinBox_fpsresolution.value()
self.settings.run_settings.enable_photodiode = self.checkBox_photodiode.isChecked()
# Timings
self.settings.timings.t_prev_text = self.doubleSpinBox_t_prev_text.value()
self.settings.timings.t_prev_iddle = self.doubleSpinBox_t_prev_iddle.value()
self.settings.timings.t_finish_text = self.doubleSpinBox_t_finish_text.value()
# Colors
self.settings.colors.color_box_0 = gui_utils.get_property(
self.btn_color_box0, 'background-color')
self.settings.colors.color_box_1 = gui_utils.get_property(
self.btn_color_box1, 'background-color')
self.settings.colors.color_text_0 = gui_utils.get_property(
self.btn_color_text0, 'background-color')
self.settings.colors.color_text_1 = gui_utils.get_property(
self.btn_color_text1, 'background-color')
self.settings.colors.color_target_box = gui_utils.get_property(
self.btn_color_target_box, 'background-color')
self.settings.colors.color_highlight_result_box = gui_utils.get_property(
self.btn_color_highlight_result_box, 'background-color')
self.settings.colors.default_box_color = gui_utils.get_property(
self.btn_default_box_color, 'background-color')
self.settings.colors.default_text_color = gui_utils.get_property(
self.btn_default_text_color, 'background-color')
self.settings.colors.color_fps_good = gui_utils.get_property(
self.btn_color_fps_good, 'background-color')
self.settings.colors.color_fps_bad = gui_utils.get_property(
self.btn_color_fps_bad, 'background-color')
self.settings.colors.color_result_info_box = gui_utils.get_property(
self.btn_color_result_info_box, 'background-color')
self.settings.colors.color_result_info_label = gui_utils.get_property(
self.btn_color_result_info_label, 'background-color')
self.settings.colors.color_result_info_text = gui_utils.get_property(
self.btn_color_result_info_text, 'background-color')
# Opacity
self.settings.colors.color_op_box_0 = self.spinBox_op_box_0.value()
self.settings.colors.color_op_box_1 = self.spinBox_op_box_1.value()
self.settings.colors.color_op_text_0 = self.spinBox_op_text_0.value()
self.settings.colors.color_op_text_1 = self.spinBox_op_text_1.value()
# Background Scenarios
self.settings.background.scenario_name = self.comboBox_scenario_name.currentText()
self.settings.background.color_background = gui_utils.get_property(
self.btn_color_background, 'background-color')
self.settings.background.scenario_path = self.lineEdit_scenario.text()
def update_gui(self):
self.get_settings_from_gui()
self.set_settings_to_gui()
def update_table_cutoffs(self):
for i in range(self.tableWidget_bpf.rowCount()):
self.tableWidget_bpf.setItem(i, 1, QtWidgets.QTableWidgetItem(
str(int(self.settings.run_settings.fps_resolution / 2))))
def on_custom_table_menu(self, pos):
# Get action
menu = QtWidgets.QMenu()
delete_row_action = menu.addAction("Delete row")
add_row_action = menu.addAction("Add row")
action = menu.exec_(self.tableWidget_bpf.viewport().mapToGlobal(pos))
# Delete row action
if action == delete_row_action:
it = self.tableWidget_bpf.itemAt(pos)
if it is None or self.tableWidget_bpf.rowCount() == 1:
return
r = it.row()
item_range = QtWidgets.QTableWidgetSelectionRange(
r, 0, r, self.tableWidget_bpf.columnCount() - 1)
self.tableWidget_bpf.setRangeSelected(item_range, True)
self.tableWidget_bpf.removeRow(r)
self.tableWidget_bpf.setVerticalHeaderLabels(
[str(x) for x in range(1, self.tableWidget_bpf.rowCount() + 1)])
# Add row action (and populate, otherwise won't work)
if action == add_row_action:
r = self.tableWidget_bpf.rowCount()
self.tableWidget_bpf.insertRow(r)
self.tableWidget_bpf.setItem(r, 0, QtWidgets.QTableWidgetItem('0'))
self.tableWidget_bpf.setItem(r, 1, QtWidgets.QTableWidgetItem(
str(int(self.settings.run_settings.fps_resolution / 2))))
self.tableWidget_bpf.setItem(r, 2, QtWidgets.QTableWidgetItem('7'))
self.tableWidget_bpf.setItem(r, 3, QtWidgets.QTableWidgetItem(
'bandpass'))
self.tableWidget_bpf.setVerticalHeaderLabels(
[str(x) for x in range(1, self.tableWidget_bpf.rowCount() + 1)])
# --------------------- Buttons ------------------------
def reset(self):
# Set default settings
self.settings = settings.Settings()
self.set_settings_to_gui()
self.notifications.new_notification('Loaded default settings')
def save(self):
fdialog = QtWidgets.QFileDialog()
fname = fdialog.getSaveFileName(
fdialog, 'Save settings', '../../config/', 'JSON (*.json)')
if fname[0]:
self.get_settings_from_gui()
self.settings.save(path=fname[0])
self.notifications.new_notification('Settings saved as %s' %
fname[0].split('/')[-1])
def load(self):
""" Opens a dialog to load a configuration file. """
fdialog = QtWidgets.QFileDialog()
fname = fdialog.getOpenFileName(
fdialog, 'Load settings', '../../config/', 'JSON (*.json)')
if fname[0]:
loaded_settings = self.settings.load(fname[0])
self.settings = loaded_settings
self.set_settings_to_gui()
self.notifications.new_notification('Loaded settings: %s' %
fname[0].split('/')[-1])
def done(self):
""" Shows a confirmation dialog if non-saved changes has been made. """
self.close()
def train_model(self):
def check_train_feasible():
error_msg = ''
if self.tableWidget_bpf.rowCount() == 0:
error_msg += 'Cannot train if we do not have, at least, ' \
'one filter!\n'
for i in range(self.tableWidget_bpf.rowCount()):
cut1 = float(self.tableWidget_bpf.item(i, 0).text())
cut2 = float(self.tableWidget_bpf.item(i, 1).text())
if cut1 == cut2:
error_msg += 'Filter %i cannot have the same value for ' \
'cutoff1 and cutoff2 (%.2f Hz)!\n' % (i, cut1)
if error_msg != '':
error_dialog(error_msg, 'Error!')
return False
else:
return True
# Is it feasible?
if not check_train_feasible():
return
# Get data to be trained
filt = "c-VEP Files (*.cvep.bson)"
files = QtWidgets.QFileDialog.getOpenFileNames(
caption="Select training files",
directory=os.getcwd() + "/../data/",
filter=filt)
if files[0]:
self.notifications.new_notification('Training model...')
# Get files
dataset = None
for idx, file in enumerate(files[0]):
rec = components.Recording.load(file)
if idx == 0:
dataset = cvep_spellers.CVEPSpellerDataset(
channel_set=rec.eeg.channel_set,
fs=rec.eeg.fs
)
dataset.add_recordings(rec)
# Get configuration
bpf = []
max_cut2 = 0.0
for i in range(self.tableWidget_bpf.rowCount()):
cut1 = float(self.tableWidget_bpf.item(i, 0).text())
cut2 = float(self.tableWidget_bpf.item(i, 1).text())
order = int(self.tableWidget_bpf.item(i, 2).text())
type = self.tableWidget_bpf.item(i, 3).text()
bpf.append([order, (cut1, cut2)])
if cut2 > max_cut2:
max_cut2 = cut2
notch = [7, (self.doubleSpinBox_notch.value() - 1,
self.doubleSpinBox_notch.value() + 1)]
# Check if notch is required
if max_cut2 < notch[1][0]:
notch = None
# Train the model
model = cvep_spellers.CVEPModelCircularShifting(
bpf=bpf,
notch=notch,
art_rej=None,
correct_raster_latencies=False
)
try:
fitted_info = model.fit_dataset(dataset)
except Exception as e:
error_dialog(str(e), "Cannot train model!")
model_pkl = model.to_pickleable_obj()
print(self.TAG, 'Model trained\n > Discarded %i/%i epochs!' %
(fitted_info['no_discarded_epochs'],
fitted_info['no_total_epochs']))
# Save model
fdialog = QtWidgets.QFileDialog()
fname = fdialog.getSaveFileName(
fdialog, 'Save c-VEP Model',
os.path.join(os.getcwd(), "../models/"),
'c-VEP Model (*.cvep.mdl)')
if fname[0]:
with open(fname[0], 'wb') as handle:
pickle.dump(model_pkl, handle,
protocol=pickle.HIGHEST_PROTOCOL)
self.notifications.new_notification('Model saved as %s' %
fname[0].split('/')[-1])
self.lineEdit_cvepmodel.setText(fname[0])
def browse_model(self):
filt = "c-VEP Model (*.cvep.mdl)"
directory = os.getcwd() + "/../models/"
if not os.path.exists(directory):
os.makedirs(directory)
print('Created directory %s!' % directory)
filepath = QtWidgets.QFileDialog.getOpenFileName(caption="c-VEP Model",
directory=directory,
filter=filt)
self.lineEdit_cvepmodel.setText(filepath[0])
def browse_scenario(self):
filt = "Image (*.jpg *.jpeg *.png)"
directory = os.path.dirname(__file__) + "/background/"
if not os.path.exists(directory):
os.makedirs(directory)
print('Created directory %s!' % directory)
filepath = QtWidgets.QFileDialog.getOpenFileName(caption="Scenario",
directory=directory,
filter=filt)
self.lineEdit_scenario.setText(filepath[0])
def update_test_matrix(self):
# Get the parameters
n_row = int(self.spinBox_nrow.value())
n_col = int(self.spinBox_ncol.value())
mseqlen = int(self.comboBox_seqlength.currentText())
# Check if everything is correct
tau = mseqlen / (n_row * n_col)
if tau < 1:
error_msg = 'Cannot encode all the commands (%i) with that ' \
'sequence length (%i)! Decrease the number of ' \
'commands or increase the sequence length to have ' \
'enough room to get a positive delay.' % \
(n_col * n_row, mseqlen)
error_dialog(error_msg, 'Oops!')
return
if round(tau) == 1:
warn_msg = 'With that number of commands (%i) and that sequence ' \
'length (%i), the delay between shifted-version ' \
'sequences will be 1. Consider to decrease the number ' \
'of commands or increase the sequence length to space ' \
'more the shifted-sequences and favor the performance' \
% (n_col * n_row, mseqlen)
warning_dialog(warn_msg, 'Be careful!')
tau = int(round(tau))
self.lineEdit_tau.setText(str(tau))
# Compute the matrices
self.get_settings_from_gui()
train_matrices, test_matrices = \
self.settings.standard_single_sequence_matrices(
n_row=n_row, n_col=n_col, mseqlen=mseqlen)
self.settings.matrices = {'train': train_matrices, 'test':
test_matrices}
# Update the gui
self.set_settings_to_gui()
# Show the encoding
order = int(self.lineEdit_order.text())
seed = self.lineEdit_seed.text()
lags_info = {
'tau': tau,
'lags': [i*tau for i in range(n_row * n_col)]
}
monitor_rate = float(self.spinBox_fpsresolution.value())
current_index = self.widget_nested_test.currentIndex()
visualize_dialog = VisualizeEncodingDialog(
n_row=n_row, n_col=n_col, base=2, order=order,
monitor_rate=monitor_rate, item_list=self.settings.matrices[
'test'][current_index].item_list, lags_info=lags_info)
visualize_dialog.exec_()
def visualize_encoding(self):
def autocorr_circular(x):
""" With circular shifts (periodic correlation) """
N = len(x)
rxx = []
t = []
for i in range(-(N - 1), N):
rxx.append(np.sum(x * np.roll(x, i)))
t.append(i)
rxx = np.array(rxx)
return rxx, t
# First, update the test matrix
self.update_test_matrix()
current_index = self.widget_nested_test.currentIndex()
# Compute the sequence and its autocorrelation
mseqlen = int(self.comboBox_seqlength.currentText())
monitor_rate = float(self.spinBox_fpsresolution.value())
if mseqlen == 31:
poly_ = LFSR_PRIMITIVE_POLYNOMIALS['base'][2]['order'][5]
m_seq = LFSR(poly_, base=2)
elif mseqlen == 63:
poly_ = LFSR_PRIMITIVE_POLYNOMIALS['base'][2]['order'][6]
m_seq = LFSR(poly_, base=2, seed=[1, 1, 1, 1, 1, 0])
elif mseqlen == 127:
poly_ = LFSR_PRIMITIVE_POLYNOMIALS['base'][2]['order'][7]
m_seq = LFSR(poly_, base=2)
elif mseqlen == 255:
poly_ = LFSR_PRIMITIVE_POLYNOMIALS['base'][2]['order'][8]
m_seq = LFSR(poly_, base=2)
else:
raise ValueError('[cvep_opacity/settings] Sequence length of %i '
'not supported (use 31, 63, 127 or 255)!' %
mseqlen)
seq = m_seq.sequence
n_row = int(self.spinBox_nrow.value())
n_col = int(self.spinBox_ncol.value())
tau = mseqlen / (n_row * n_col)
rxx_, tr_ = autocorr_circular(seq)
rxx_ = rxx_ / np.max(np.abs(rxx_))
# Plots
SMALL_SIZE = 7
MEDIUM_SIZE = 9
fig = plt.figure(figsize=(10, 4), dpi=300)
ax1 = fig.add_subplot(1, 2, 1)
ax2 = fig.add_subplot(1, 2, 2)
with plt.style.context('seaborn'):
# Autocorrelation
tr_s = np.array(tr_) / monitor_rate
big_lagged_seqs_ = np.zeros((n_row * n_col, len(seq)))
seq = np.array(seq)
ax1.xaxis.set_major_formatter(FormatStrFormatter('%.1f'))
ax1.yaxis.set_major_formatter(FormatStrFormatter('%.1f'))
ax1.plot(tr_s, rxx_, linewidth=1.2)
yoff = min(rxx_)
for i in range(n_row * n_col):
lag = int(i * tau)
big_lagged_seqs_[i, :] = np.array(np.roll(seq, lag)).\
reshape(-1, 1).T
ax1.plot([lag / monitor_rate, lag / monitor_rate],
[yoff - 0.05, yoff + 0.05], 'r')
ax1.text(lag / monitor_rate, yoff - 0.1, self.settings.matrices[
'test'][current_index].item_list[i].text,
horizontalalignment='center', color='red')
ax1.set_xlim((tr_s[0], tr_s[-1]))
ax1.set_ylim((yoff - 0.2, max(rxx_) + 0.2))
ax1.set_xlabel('Time shifts (s)', fontsize=MEDIUM_SIZE)
ax1.set_ylabel('Norm. $R_{xx}$', fontsize=MEDIUM_SIZE)
ax1.set_title('M-sequence autocorrelation')
plt.yticks(fontsize=SMALL_SIZE)
plt.xticks(fontsize=SMALL_SIZE)
# Encoding
commands = list()
for c in self.settings.matrices['test'][current_index].item_list:
commands.append(c.text)
ax2.imshow(big_lagged_seqs_, aspect='auto')
ax2.set_yticklabels(commands)
ax2.set_title('Command encoding')
ax2.set_xlabel('Sequence (samples)', fontsize=MEDIUM_SIZE)
ax2.set_ylabel('Commands', fontsize=MEDIUM_SIZE)
plt.yticks(ticks=[i for i in range(len(commands))])
plt.xticks(fontsize=SMALL_SIZE)
plt.show()
# --------------------- Colors ------------------------
def open_color_dialog(self, handle):
""" Opens a color dialog and sets the selected color in the desired button.
:param handle: QToolButton
Button handle.
"""
def set_color():
# This function is required in order to accept passing arguments (function factory)
color = QColorDialog.getColor() # Open the color dialog and get the QColor instance
if not color.isValid():
# For example, if the user closes the dialog
print("Color is not valid (%s)." % color)
else:
handle.setStyleSheet('background-color: ' + color.name() + ';')
self.update_gui()
return set_color
# --------------------- Close events ------------------------
@staticmethod
def close_dialog():
""" Shows a confirmation dialog that asks the user if he/she wants to
close the configuration window.
Returns
-------
output value: QtWidgets.QMessageBox.No or QtWidgets.QMessageBox.Yes
If the user do not want to close the window, and
QtWidgets.QMessageBox.Yes otherwise.
"""
msg = QtWidgets.QMessageBox()
msg.setIcon(QtWidgets.QMessageBox.Warning)
msg.setWindowIcon(QtGui.QIcon(os.path.join(
os.path.dirname(__file__), '../../gui/images/medusa_task_icon.png')))
msg.setText("Do you want to leave this window?")
msg.setInformativeText("Non-saved changes will be discarded.")
msg.setWindowTitle("c-VEP Speller Configuration")
msg.setStandardButtons(
QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No)
return msg.exec_()
def closeEvent(self, event):
""" Overrides the closeEvent in order to show the confirmation dialog.
"""
if self.changes_made:
retval = self.close_dialog()
if retval == QtWidgets.QMessageBox.Yes:
self.close_signal.emit(None)
event.accept()
else:
event.ignore()
else:
self.get_settings_from_gui()
self.close_signal.emit(self.settings)
event.accept()
class TargetConfigDialog(QtWidgets.QDialog, ui_target_file):
def __init__(self, target, current_matrix_idx):
"""Class that represents a Target Configuration dialog.
Parameteres