class SettingsDialog(QDialog):
"""A dialog for choosing clock speed, log verbosity and GUI colors"""
def __init__(self, mainwindow, config):
super(SettingsDialog, self).__init__()
self.setWindowTitle(self.str_title)
# Reference kept to set settings in MainWindow
self.mainwindow = mainwindow
"""A reference to the top window of the app."""
self.config = config
"""The settings of our app."""
# Setting log handlers
logHandlers = QGroupBox(self.str_logHandlers)
logHandlersLayout = QVBoxLayout()
logHandlers.setLayout(logHandlersLayout)
logToGui = QCheckBox(self.str_logToGui)
logToGui.setChecked(self.config.getboolean('LogHandlers', 'gui'))
logToGui.stateChanged.connect(
lambda: self.chooseHandler(logToGui, 'gui'))
logHandlersLayout.addWidget(logToGui)
logtoStdout = QCheckBox(self.str_logToStdout)
logtoStdout.setChecked(self.config.getboolean('LogHandlers', 'stdout'))
logtoStdout.stateChanged.connect(
lambda: self.chooseHandler(logtoStdout, 'stdout'))
logHandlersLayout.addWidget(logtoStdout)
logToFile = QCheckBox(self.str_logToFile)
logToFile.setChecked(self.config.getboolean('LogHandlers', 'file'))
logToFile.stateChanged.connect(
lambda: self.chooseHandler(logToFile, 'file'))
logHandlersLayout.addWidget(logToFile)
# Setting log verbosity
logVerbosity = QGroupBox(self.str_logVerbosity)
logVerbosityLayout = QHBoxLayout()
logVerbosity.setLayout(logVerbosityLayout)
self.verbosityOptions = QTreeWidget()
self.verbosityOptions.header().setVisible(False)
for k, v in self.str_treeItems.items():
node = QTreeWidgetItem(self.verbosityOptions, [k])
if isinstance(v, str):
node.setText(1, v)
node.setCheckState(
0, boolToCheckState(
self.config.getboolean('LogVerbosity', v)))
else:
count = 0
for key, val in v.items():
item = QTreeWidgetItem(node, [key, val])
checked = self.config.getboolean('LogVerbosity', val)
item.setCheckState(0, boolToCheckState(checked))
if checked:
count += 1
if count == node.childCount():
node.setCheckState(0, Qt.Checked)
elif count == 0:
node.setCheckState(0, Qt.Unchecked)
else:
node.setCheckState(0, Qt.PartiallyChecked)
self.verbosityOptions.itemChanged.connect(self.chooseVerbosity)
logVerbosityLayout.addWidget(self.verbosityOptions)
# Setting clock speed
clock = QGroupBox(self.str_clock)
clockLayout = QHBoxLayout()
clock.setLayout(clockLayout)
clockLayout.addWidget(QLabel(self.str_clockSpeed))
spin = QDoubleSpinBox()
spin.setValue(self.config.getfloat('Clock', 'speed'))
clockLayout.addWidget(spin)
# Setting appearance
appearance = QGroupBox(self.str_appearance)
appearanceLayout = QHBoxLayout()
appearance.setLayout(appearanceLayout)
appearanceLayout.addWidget(QLabel(self.str_circBgColor))
circBgBtn = QPushButton(self.str_choose)
circBgBtn.setPalette(QPalette(
QColor(self.config.get('Appearance', 'circ_bg_color'))))
circBgBtn.clicked.connect(
lambda: self.chooseColor(circBgBtn, 'circ_bg_color'))
appearanceLayout.addWidget(circBgBtn)
appearanceLayout.addWidget(QLabel(self.str_logBgColor))
logBgBtn = QPushButton(self.str_choose)
logBgBtn.setPalette(QPalette(
QColor(self.config.get('Appearance', 'log_bg_color'))))
logBgBtn.clicked.connect(
lambda: self.chooseColor(logBgBtn, 'log_bg_color'))
appearanceLayout.addWidget(logBgBtn)
# Saving settings to file and effectively setting them
close = QPushButton(self.str_close)
close.clicked.connect(self.closeAndApply)
layout = QGridLayout(self)
layout.addWidget(logHandlers, 0, 0, 1, 1)
layout.addWidget(logVerbosity, 0, 1, 1, 1)
layout.addWidget(clock, 1, 0, 1, 2)
layout.addWidget(appearance, 2, 0, 1, 2)
layout.addWidget(close, 3, 1, 1, 1)
self.setLayout(layout)
def chooseColor(self, button, option):
"""The user modifies an UI background color."""
color = QColorDialog.getColor()
if color.isValid():
button.setPalette(QPalette(color))
self.config.set('Appearance', option, color.name())
def chooseHandler(self, checkbox, option):
"""The user chooses where to log messages."""
self.config.set('LogHandlers', option, str(checkbox.isChecked()))
def chooseVerbosity(self, item):
"""The user chooses which logs are shown."""
option = item.text(1)
if option:
self.config.set('LogVerbosity', option, str(
checkStateToBool(item.checkState(0))))
if isinstance(item.parent(), QTreeWidgetItem):
count = item.parent().childCount()
for i in range(item.parent().childCount()):
if not checkStateToBool(
item.parent().child(i).checkState(0)):
count = count - 1
self.verbosityOptions.blockSignals(True)
if count == item.parent().childCount():
item.parent().setCheckState(0, Qt.Checked)
elif count == 0:
item.parent().setCheckState(0, Qt.Unchecked)
else:
item.parent().setCheckState(0, Qt.PartiallyChecked)
self.verbosityOptions.blockSignals(False)
else:
for i in range(item.childCount()):
self.verbosityOptions.blockSignals(True)
item.child(i).setCheckState(0, item.checkState(0))
self.config.set(
'LogVerbosity', item.child(i).text(1),
str(checkStateToBool(item.checkState(0))))
self.verbosityOptions.blockSignals(False)
def closeAndApply(self):
"""Settings saved to file and applied to GUI."""
self.mainwindow.setSettings()
with open(self.config.configFile, 'w+') as f:
self.config.write(f)
self.close()
