class SettingsDialog(QDialog):
def __init__(self, settings, callback, parent=None):
super(SettingsDialog, self).__init__(parent)
# Function to apply changes
self.callback = callback
self.settings = settings
# Dialog properties
self.resize(320, 190)
self.setWindowTitle('Settings')
# Create, connect and add Widgets
self.createWidgets()
self.createConnections()
self.addWidgets()
def createWidgets(self):
numeric_reg = QRegExp(r"[0-9]+")
self.line_width_label = QLabel('Line Width')
self.line_width_edit = QLineEdit()
self.line_width_edit.setValidator(QRegExpValidator(numeric_reg, self))
self.line_width_edit.setText(str(self.settings['plotLineWidth']))
self.horizontal_grid_label = QLabel('Horizontal Grid')
self.horizontal_grid_checkbox = QCheckBox()
self.horizontal_grid_checkbox.setChecked(
self.settings['horizontalGrid'])
self.vertical_grid_label = QLabel('Vertical Grid')
self.vertical_grid_checkbox = QCheckBox()
self.vertical_grid_checkbox.setChecked(self.settings['verticalGrid'])
self.grid_opacity_label = QLabel('Line Opacity')
self.grid_opacity_spinbox = QDoubleSpinBox()
self.grid_opacity_spinbox.setRange(0.10, 1.00)
self.grid_opacity_spinbox.setSingleStep(0.10)
self.grid_opacity_spinbox.setValue(float(self.settings['gridOpacity']))
self.grid_opacity_spinbox.setFocusPolicy(Qt.NoFocus)
self.line_color_label = QLabel('Line Color')
self.line_color_combo = QComboBox()
self.line_color_combo.addItem('blue')
self.line_color_combo.addItem('cyan')
self.line_color_combo.addItem('green')
self.line_color_combo.addItem('magenta')
self.line_color_combo.addItem('white')
self.line_color_combo.addItem('yellow')
print self.settings['lineColor']
self.line_color_combo.setCurrentIndex(
self.line_color_combo.findText(self.settings['lineColor']))
self.serial_baud_label = QLabel('Serial Baud')
self.serial_baud_edit = QLineEdit()
self.serial_baud_edit.setText(str(self.settings['serialBaud']))
self.serial_baud_edit.setValidator(QRegExpValidator(numeric_reg, self))
self.separator_label = QLabel('Separator')
self.separator_edit = QLineEdit()
self.separator_edit.setText(self.settings['separator'])
self.separator_edit.setInputMask('X')
self.buttonBox = QDialogButtonBox(QDialogButtonBox.Apply
| QDialogButtonBox.Close
| QDialogButtonBox.RestoreDefaults)
# Connect elements to their events
def createConnections(self):
self.buttonBox.button(QDialogButtonBox.Apply).clicked.connect(
self.apply)
self.buttonBox.button(QDialogButtonBox.Apply).setDefault(True)
self.buttonBox.button(QDialogButtonBox.Apply).setAutoDefault(True)
self.buttonBox.rejected.connect(self.reject)
self.buttonBox.button(
QDialogButtonBox.RestoreDefaults).clicked.connect(
self.restore_defaults)
self.buttonBox.button(
QDialogButtonBox.RestoreDefaults).setDefault(False)
self.buttonBox.button(
QDialogButtonBox.RestoreDefaults).setAutoDefault(False)
# Add elements to the GUI
def addWidgets(self):
grid = QGridLayout()
grid.addWidget(self.line_width_label, 0, 0)
grid.addWidget(self.line_width_edit, 0, 1)
grid.addWidget(self.horizontal_grid_label, 1, 0)
grid.addWidget(self.horizontal_grid_checkbox, 1, 1)
grid.addWidget(self.vertical_grid_label, 2, 0)
grid.addWidget(self.vertical_grid_checkbox, 2, 1)
grid.addWidget(self.grid_opacity_label, 3, 0)
grid.addWidget(self.grid_opacity_spinbox, 3, 1)
grid.addWidget(self.line_color_label, 4, 0)
grid.addWidget(self.line_color_combo, 4, 1)
grid.addWidget(self.serial_baud_label, 5, 0)
grid.addWidget(self.serial_baud_edit, 5, 1)
grid.addWidget(self.separator_label, 6, 0)
grid.addWidget(self.separator_edit, 6, 1)
grid.addWidget(self.buttonBox, 7, 0, 1, 2)
self.setLayout(grid)
# Apply new Settings
def apply(self):
# dict(plotLineWidth=1, horizontalGrid=True, verticalGrid=True, gridOpacity=1, lineColor='b',
# arrayPlotSize=25, updatePlotTime=1)
self.settings['plotLineWidth'] = int(self.line_width_edit.text())
self.settings[
'horizontalGrid'] = self.horizontal_grid_checkbox.isChecked()
self.settings['verticalGrid'] = self.vertical_grid_checkbox.isChecked()
self.settings['gridOpacity'] = float(self.grid_opacity_spinbox.value())
self.settings['lineColor'] = unicode(
self.line_color_combo.currentText())
self.settings['serialBaud'] = int(self.serial_baud_edit.text())
if len(self.separator_edit.text()) != 1:
self.settings['separator'] = ' '
else:
self.settings['separator'] = unicode(self.separator_edit.text())
self.callback()
# Restores default settings values
def restore_defaults(self):
default_values = dict(plotLineWidth=1,
horizontalGrid=True,
verticalGrid=True,
gridOpacity=1,
lineColor='b',
arrayPlotSize=25,
serialBaud=115200,
separator=' ')
self.settings.update(default_values)
self.callback()
self.line_width_edit.setText(str(self.settings['plotLineWidth']))
self.horizontal_grid_checkbox.setChecked(
self.settings['horizontalGrid'])
self.vertical_grid_checkbox.setChecked(self.settings['verticalGrid'])
self.grid_opacity_spinbox.setValue(self.settings['gridOpacity'])
self.line_color_combo.setCurrentIndex(0)
self.serial_baud_edit.setText(str(self.settings['serialBaud']))
self.separator_edit.setText(self.settings['separator'])
