class PickChannelsDialog(QDialog):
def __init__(self, parent, channels, selected=None, title="Pick channels"):
super().__init__(parent)
self.setWindowTitle(title)
if selected is None:
selected = []
self.initial_selection = selected
vbox = QVBoxLayout(self)
self.channels = QListWidget()
self.channels.insertItems(0, channels)
self.channels.setSelectionMode(QListWidget.ExtendedSelection)
for i in range(self.channels.count()):
if self.channels.item(i).data(0) in selected:
self.channels.item(i).setSelected(True)
vbox.addWidget(self.channels)
self.buttonbox = QDialogButtonBox(QDialogButtonBox.Ok
| QDialogButtonBox.Cancel)
vbox.addWidget(self.buttonbox)
self.buttonbox.accepted.connect(self.accept)
self.buttonbox.rejected.connect(self.reject)
self.channels.itemSelectionChanged.connect(self.toggle_buttons)
self.toggle_buttons() # initialize OK button state
@Slot()
def toggle_buttons(self):
"""Toggle OK button.
"""
selected = [item.data(0) for item in self.channels.selectedItems()]
if selected != self.initial_selection:
self.buttonbox.button(QDialogButtonBox.Ok).setEnabled(True)
else:
self.buttonbox.button(QDialogButtonBox.Ok).setEnabled(False)
class Window(QMainWindow):
def __init__(self):
super().__init__()
#: File menu
file_menu = self.menuBar().addMenu(self.tr("&File"))
#= quit_id
quit_action = file_menu.addAction(self.tr("Quit"))
quit_action.setShortcut(self.tr("CTRL+Q"))
quit_action.triggered.connect(self.close)
help_menu = self.menuBar().addMenu(self.tr("&Help"))
about_qt_action = help_menu.addAction(self.tr("About Qt"))
about_qt_action.triggered.connect(qApp.aboutQt)
self._list_widget = QListWidget()
self._list_widget.setSelectionMode(QAbstractItemView.MultiSelection)
self._list_widget.selectionModel().selectionChanged.connect(
self.selection_changed)
self._list_widget.addItem("C++")
self._list_widget.addItem("Java")
self._list_widget.addItem("Python")
self.setCentralWidget(self._list_widget)
@Slot(QItemSelection, QItemSelection)
def selection_changed(self, selected, deselected):
count = len(self._list_widget.selectionModel().selectedRows())
message = self.tr("%n language(s) selected", "", count)
self.statusBar().showMessage(message)
def test_translate_trailing_comma_behavior(self):
self.translate(
"CONTEXT",
"SOME TEXT, NO COMMENT, TRAILING COMMA",
)
self.translate("CONTEXT", "SOME TEXT", "A COMMENT, NO TRAILING COMMA")
self.translate(
"CONTEXT",
"SOME MORE TEXT",
"A COMMENT WITH A TRAILING COMMA",
)
self.translate("CONTEXT", "EVEN MORE TEXT",
"A COMMENT WITH PLURALIZATION", 42)
self.translate(
"CONTEXT",
"YET MORE TEXT",
"A COMMENT WITH PLURALIZATION AND A TRAILING COMMA",
42,
)
self.translate(
"CONTEXT", "SOME TEXT, SHOULD NOT BE EXTRACTED",
"A COMMENT WITH PLURALIZATION AND A TRAILING COMMA AND GARBAGE",
42, "THIS SHOULD NOT WORK")
class MontageDialog(QDialog):
def __init__(self, parent, montages, selected=None):
super().__init__(parent)
self.setWindowTitle("Set montage")
vbox = QVBoxLayout(self)
self.montages = QListWidget()
self.montages.insertItems(0, montages)
self.montages.setSelectionMode(QListWidget.SingleSelection)
if selected is not None:
for i in range(self.montages.count()):
if self.montages.item(i).data(0) == selected:
self.montages.item(i).setSelected(True)
vbox.addWidget(self.montages)
hbox = QHBoxLayout()
self.view_button = QPushButton("View")
self.view_button.clicked.connect(self.view_montage)
hbox.addWidget(self.view_button)
hbox.addStretch()
self.buttonbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
hbox.addWidget(self.buttonbox)
vbox.addLayout(hbox)
self.buttonbox.accepted.connect(self.accept)
self.buttonbox.rejected.connect(self.reject)
self.montages.itemSelectionChanged.connect(self.toggle_buttons)
self.toggle_buttons() # initialize OK and View buttons state
@Slot()
def toggle_buttons(self):
"""Toggle OK and View buttons.
"""
if self.montages.selectedItems():
self.buttonbox.button(QDialogButtonBox.Ok).setEnabled(True)
self.view_button.setEnabled(True)
else:
self.buttonbox.button(QDialogButtonBox.Ok).setEnabled(False)
self.view_button.setEnabled(False)
def view_montage(self):
name = self.montages.selectedItems()[0].data(0)
montage = make_standard_montage(name)
fig = montage.plot(show_names=True, show=False)
win = fig.canvas.manager.window
win.setWindowModality(Qt.WindowModal)
win.setWindowTitle("Montage")
win.statusBar().hide() # not necessary since matplotlib 3.3
fig.show()
class AppendDialog(QDialog):
def __init__(self, parent, compatibles, title="Append data"):
super().__init__(parent)
self.setWindowTitle(title)
vbox = QVBoxLayout(self)
grid = QGridLayout()
grid.addWidget(QLabel("Source"), 0, 0, Qt.AlignCenter)
grid.addWidget(QLabel("Destination"), 0, 2, Qt.AlignCenter)
self.source = QListWidget(self)
self.source.setAcceptDrops(True)
self.source.setDragEnabled(True)
self.source.setSelectionMode(QAbstractItemView.ExtendedSelection)
self.source.setDefaultDropAction(Qt.DropAction.MoveAction)
self.source.insertItems(0, [d["name"] for d in compatibles])
grid.addWidget(self.source, 1, 0)
self.move_button = QPushButton("→")
self.move_button.setEnabled(False)
grid.addWidget(self.move_button, 1, 1, Qt.AlignHCenter)
self.destination = QListWidget(self)
self.destination.setAcceptDrops(True)
self.destination.setDragEnabled(True)
self.destination.setSelectionMode(QAbstractItemView.ExtendedSelection)
self.destination.setDefaultDropAction(Qt.DropAction.MoveAction)
grid.addWidget(self.destination, 1, 2)
vbox.addLayout(grid)
self.buttonbox = QDialogButtonBox(QDialogButtonBox.Ok
| QDialogButtonBox.Cancel)
self.buttonbox.accepted.connect(self.accept)
self.buttonbox.rejected.connect(self.reject)
vbox.addWidget(self.buttonbox)
vbox.setSizeConstraint(QVBoxLayout.SetFixedSize)
self.destination.model().rowsInserted.connect(self.toggle_ok_button)
self.destination.model().rowsRemoved.connect(self.toggle_ok_button)
self.source.itemSelectionChanged.connect(self.toggle_move_source)
self.destination.itemSelectionChanged.connect(
self.toggle_move_destination)
self.move_button.clicked.connect(self.move)
self.toggle_ok_button()
self.toggle_move_source()
self.toggle_move_destination()
@property
def names(self):
names = []
for it in range(self.destination.count()):
names.append(self.destination.item(it).text())
return names
@Slot()
def toggle_ok_button(self):
"""Toggle OK button."""
if self.destination.count() > 0:
self.buttonbox.button(QDialogButtonBox.Ok).setEnabled(True)
else:
self.buttonbox.button(QDialogButtonBox.Ok).setEnabled(False)
@Slot()
def toggle_move_source(self):
if self.source.selectedItems():
self.move_button.setEnabled(True)
self.move_button.setText("→")
self.destination.clearSelection()
elif not self.destination.selectedItems():
self.move_button.setEnabled(False)
@Slot()
def toggle_move_destination(self):
if self.destination.selectedItems():
self.move_button.setEnabled(True)
self.move_button.setText("←")
self.source.clearSelection()
elif not self.source.selectedItems():
self.move_button.setEnabled(False)
@Slot()
def move(self):
if self.source.selectedItems():
for item in self.source.selectedItems():
self.destination.addItem(item.text())
self.source.takeItem(self.source.row(item))
elif self.destination.selectedItems():
for item in self.destination.selectedItems():
self.source.addItem(item.text())
self.destination.takeItem(self.destination.row(item))
class EpochDialog(QDialog):
def __init__(self, parent, events):
super().__init__(parent)
self.setWindowTitle("Create Epochs")
grid = QGridLayout(self)
label = QLabel("Events:")
label.setAlignment(Qt.AlignTop)
grid.addWidget(label, 0, 0, 1, 1)
self.events = QListWidget()
self.events.insertItems(0, unique(events[:, 2]).astype(str))
self.events.setSelectionMode(QListWidget.ExtendedSelection)
grid.addWidget(self.events, 0, 1, 1, 2)
grid.addWidget(QLabel("Interval around events:"), 1, 0, 1, 1)
self.tmin = QDoubleSpinBox()
self.tmin.setMinimum(-10000)
self.tmin.setValue(-0.2)
self.tmin.setSingleStep(0.1)
self.tmin.setAlignment(Qt.AlignRight)
self.tmax = QDoubleSpinBox()
self.tmax.setMinimum(-10000)
self.tmax.setValue(0.5)
self.tmax.setSingleStep(0.1)
self.tmax.setAlignment(Qt.AlignRight)
grid.addWidget(self.tmin, 1, 1, 1, 1)
grid.addWidget(self.tmax, 1, 2, 1, 1)
self.baseline = QCheckBox("Baseline Correction:")
self.baseline.setChecked(True)
self.baseline.stateChanged.connect(self.toggle_baseline)
grid.addWidget(self.baseline, 2, 0, 1, 1)
self.a = QDoubleSpinBox()
self.a.setMinimum(-10000)
self.a.setValue(-0.2)
self.a.setSingleStep(0.1)
self.a.setAlignment(Qt.AlignRight)
self.b = QDoubleSpinBox()
self.b.setMinimum(-10000)
self.b.setValue(0)
self.b.setSingleStep(0.1)
self.b.setAlignment(Qt.AlignRight)
grid.addWidget(self.a, 2, 1, 1, 1)
grid.addWidget(self.b, 2, 2, 1, 1)
self.buttonbox = QDialogButtonBox(QDialogButtonBox.Ok
| QDialogButtonBox.Cancel)
self.buttonbox.accepted.connect(self.accept)
self.buttonbox.rejected.connect(self.reject)
grid.addWidget(self.buttonbox, 3, 0, 1, -1)
self.events.itemSelectionChanged.connect(self.toggle_ok)
self.toggle_ok()
grid.setSizeConstraint(QGridLayout.SetFixedSize)
@Slot()
def toggle_ok(self):
if self.events.selectedItems():
self.buttonbox.button(QDialogButtonBox.Ok).setEnabled(True)
else:
self.buttonbox.button(QDialogButtonBox.Ok).setEnabled(False)
@Slot()
def toggle_baseline(self):
if self.baseline.isChecked():
self.a.setEnabled(True)
self.b.setEnabled(True)
else:
self.a.setEnabled(False)
self.b.setEnabled(False)