def showPopup(self):
# type: () -> None
"""
Reimplemented from QComboBox.showPopup
Popup up a customized view and filter edit line.
Note
----
The .popup(), .lineEdit(), .completer() of the base class are not used.
"""
if self.__popup is not None:
# We have user entered state that cannot be disturbed
# (entered filter text, scroll offset, ...)
return # pragma: no cover
if self.count() == 0:
return
opt = QStyleOptionComboBox()
self.initStyleOption(opt)
popup = QListView(
uniformItemSizes=True,
horizontalScrollBarPolicy=Qt.ScrollBarAlwaysOff,
verticalScrollBarPolicy=Qt.ScrollBarAsNeeded,
iconSize=self.iconSize(),
)
popup.setFocusProxy(self.__searchline)
popup.setParent(self, Qt.Popup | Qt.FramelessWindowHint)
popup.setItemDelegate(_ComboBoxListDelegate(popup))
proxy = QSortFilterProxyModel(
popup, filterCaseSensitivity=Qt.CaseInsensitive
)
proxy.setFilterKeyColumn(self.modelColumn())
proxy.setSourceModel(self.model())
popup.setModel(proxy)
root = proxy.mapFromSource(self.rootModelIndex())
popup.setRootIndex(root)
self.__popup = popup
self.__proxy = proxy
self.__searchline.setText("")
self.__searchline.setPlaceholderText("Filter...")
self.__searchline.setVisible(True)
self.__searchline.textEdited.connect(proxy.setFilterFixedString)
style = self.style() # type: QStyle
popuprect_origin = style.subControlRect(
QStyle.CC_ComboBox, opt, QStyle.SC_ComboBoxListBoxPopup, self
) # type: QRect
popuprect_origin = QRect(
self.mapToGlobal(popuprect_origin.topLeft()),
popuprect_origin.size()
)
editrect = style.subControlRect(
QStyle.CC_ComboBox, opt, QStyle.SC_ComboBoxEditField, self
) # type: QRect
self.__searchline.setGeometry(editrect)
desktop = QApplication.desktop()
screenrect = desktop.availableGeometry(self) # type: QRect
# get the height for the view
listrect = QRect()
for i in range(min(proxy.rowCount(root), self.maxVisibleItems())):
index = proxy.index(i, self.modelColumn(), root)
if index.isValid():
listrect = listrect.united(popup.visualRect(index))
if listrect.height() >= screenrect.height():
break
window = popup.window() # type: QWidget
window.ensurePolished()
if window.layout() is not None:
window.layout().activate()
else:
QApplication.sendEvent(window, QEvent(QEvent.LayoutRequest))
margins = qwidget_margin_within(popup.viewport(), window)
height = (listrect.height() + 2 * popup.spacing() +
margins.top() + margins.bottom())
popup_size = (QSize(popuprect_origin.width(), height)
.expandedTo(window.minimumSize())
.boundedTo(window.maximumSize())
.boundedTo(screenrect.size()))
popuprect = QRect(popuprect_origin.bottomLeft(), popup_size)
popuprect = dropdown_popup_geometry(
popuprect, popuprect_origin, screenrect)
popup.setGeometry(popuprect)
current = proxy.mapFromSource(
self.model().index(self.currentIndex(), self.modelColumn(),
self.rootModelIndex()))
popup.setCurrentIndex(current)
popup.scrollTo(current, QAbstractItemView.EnsureVisible)
popup.show()
popup.setFocus(Qt.PopupFocusReason)
popup.installEventFilter(self)
popup.viewport().installEventFilter(self)
popup.viewport().setMouseTracking(True)
self.update()
self.__popupTimer.restart()
def showPopup(self):
# type: () -> None
"""
Reimplemented from QComboBox.showPopup
Popup up a customized view and filter edit line.
Note
----
The .popup(), .lineEdit(), .completer() of the base class are not used.
"""
if self.__popup is not None:
# We have user entered state that cannot be disturbed
# (entered filter text, scroll offset, ...)
return # pragma: no cover
if self.count() == 0:
return
opt = QStyleOptionComboBox()
self.initStyleOption(opt)
popup = QListView(
uniformItemSizes=True,
horizontalScrollBarPolicy=Qt.ScrollBarAlwaysOff,
verticalScrollBarPolicy=Qt.ScrollBarAsNeeded,
iconSize=self.iconSize(),
)
popup.setFocusProxy(self.__searchline)
popup.setParent(self, Qt.Popup | Qt.FramelessWindowHint)
popup.setItemDelegate(_ComboBoxListDelegate(popup))
proxy = QSortFilterProxyModel(
popup, filterCaseSensitivity=Qt.CaseInsensitive
)
proxy.setFilterKeyColumn(self.modelColumn())
proxy.setSourceModel(self.model())
popup.setModel(proxy)
root = proxy.mapFromSource(self.rootModelIndex())
popup.setRootIndex(root)
self.__popup = popup
self.__proxy = proxy
self.__searchline.setText("")
self.__searchline.setPlaceholderText("Filter...")
self.__searchline.setVisible(True)
self.__searchline.textEdited.connect(proxy.setFilterFixedString)
style = self.style() # type: QStyle
popuprect_origin = style.subControlRect(
QStyle.CC_ComboBox, opt, QStyle.SC_ComboBoxListBoxPopup, self
) # type: QRect
popuprect_origin = QRect(
self.mapToGlobal(popuprect_origin.topLeft()),
popuprect_origin.size()
)
editrect = style.subControlRect(
QStyle.CC_ComboBox, opt, QStyle.SC_ComboBoxEditField, self
) # type: QRect
self.__searchline.setGeometry(editrect)
desktop = QApplication.desktop()
screenrect = desktop.availableGeometry(self) # type: QRect
# get the height for the view
listrect = QRect()
for i in range(min(proxy.rowCount(root), self.maxVisibleItems())):
index = proxy.index(i, self.modelColumn(), root)
if index.isValid():
listrect = listrect.united(popup.visualRect(index))
if listrect.height() >= screenrect.height():
break
window = popup.window() # type: QWidget
window.ensurePolished()
if window.layout() is not None:
window.layout().activate()
else:
QApplication.sendEvent(window, QEvent(QEvent.LayoutRequest))
margins = qwidget_margin_within(popup.viewport(), window)
height = (listrect.height() + 2 * popup.spacing() +
margins.top() + margins.bottom())
popup_size = (QSize(popuprect_origin.width(), height)
.expandedTo(window.minimumSize())
.boundedTo(window.maximumSize())
.boundedTo(screenrect.size()))
popuprect = QRect(popuprect_origin.bottomLeft(), popup_size)
popuprect = dropdown_popup_geometry(
popuprect, popuprect_origin, screenrect)
popup.setGeometry(popuprect)
current = proxy.mapFromSource(
self.model().index(self.currentIndex(), self.modelColumn(),
self.rootModelIndex()))
popup.setCurrentIndex(current)
popup.scrollTo(current, QAbstractItemView.EnsureVisible)
popup.show()
popup.setFocus(Qt.PopupFocusReason)
popup.installEventFilter(self)
popup.viewport().installEventFilter(self)
popup.viewport().setMouseTracking(True)
self.update()
self.__popupTimer.restart()
class SelectionSetsWidget(QFrame):
"""
Widget for managing multiple stored item selections
"""
selectionModified = Signal(bool)
def __init__(self, parent):
QFrame.__init__(self, parent)
self.setContentsMargins(0, 0, 0, 0)
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(1)
self._setNameLineEdit = QLineEdit(self)
layout.addWidget(self._setNameLineEdit)
self._setListView = QListView(self)
self._listModel = QStandardItemModel(self)
self._proxyModel = QSortFilterProxyModel(self)
self._proxyModel.setSourceModel(self._listModel)
self._setListView.setModel(self._proxyModel)
self._setListView.setItemDelegate(ListItemDelegate(self))
self._setNameLineEdit.textChanged.connect(
self._proxyModel.setFilterFixedString)
self._completer = QCompleter(self._listModel, self)
self._setNameLineEdit.setCompleter(self._completer)
self._listModel.itemChanged.connect(self._onSetNameChange)
layout.addWidget(self._setListView)
buttonLayout = QHBoxLayout()
self._addAction = QAction(
"+", self, toolTip="Add a new sort key")
self._updateAction = QAction(
"Update", self, toolTip="Update/save current selection")
self._removeAction = QAction(
"\u2212", self, toolTip="Remove selected sort key.")
self._addToolButton = QToolButton(self)
self._updateToolButton = QToolButton(self)
self._removeToolButton = QToolButton(self)
self._updateToolButton.setSizePolicy(
QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
self._addToolButton.setDefaultAction(self._addAction)
self._updateToolButton.setDefaultAction(self._updateAction)
self._removeToolButton.setDefaultAction(self._removeAction)
buttonLayout.addWidget(self._addToolButton)
buttonLayout.addWidget(self._updateToolButton)
buttonLayout.addWidget(self._removeToolButton)
layout.addLayout(buttonLayout)
self.setLayout(layout)
self._addAction.triggered.connect(self.addCurrentSelection)
self._updateAction.triggered.connect(self.updateSelectedSelection)
self._removeAction.triggered.connect(self.removeSelectedSelection)
self._setListView.selectionModel().selectionChanged.connect(
self._onListViewSelectionChanged)
self.selectionModel = None
self._selections = []
def sizeHint(self):
size = QFrame.sizeHint(self)
return QSize(size.width(), 150)
def _onSelectionChanged(self, selected, deselected):
self.setSelectionModified(True)
def _onListViewSelectionChanged(self, selected, deselected):
try:
index = self._setListView.selectedIndexes()[0]
except IndexError:
return
self.commitSelection(self._proxyModel.mapToSource(index).row())
def _onSetNameChange(self, item):
self.selections[item.row()].name = str(item.text())
def _setButtonStates(self, val):
self._updateToolButton.setEnabled(val)
def setSelectionModel(self, selectionModel):
if self.selectionModel:
self.selectionModel.selectionChanged.disconnect(
self._onSelectionChanged)
self.selectionModel = selectionModel
self.selectionModel.selectionChanged.connect(self._onSelectionChanged)
def addCurrentSelection(self):
item = self.addSelection(
SelectionByKey(self.selectionModel.selection(),
name="New selection",
key=(1, 2, 3, 10)))
index = self._proxyModel.mapFromSource(item.index())
self._setListView.setCurrentIndex(index)
self._setListView.edit(index)
self.setSelectionModified(False)
def removeSelectedSelection(self):
i = self._proxyModel.mapToSource(self._setListView.currentIndex()).row()
self._listModel.takeRow(i)
del self.selections[i]
def updateCurentSelection(self):
i = self._proxyModel.mapToSource(self._setListView.selectedIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def addSelection(self, selection, name=""):
self._selections.append(selection)
item = QStandardItem(selection.name)
item.setFlags(item.flags() ^ Qt.ItemIsDropEnabled)
self._listModel.appendRow(item)
self.setSelectionModified(False)
return item
def updateSelectedSelection(self):
i = self._proxyModel.mapToSource(self._setListView.currentIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def setSelectionModified(self, val):
self._selectionModified = val
self._setButtonStates(val)
self.selectionModified.emit(bool(val))
def commitSelection(self, index):
selection = self.selections[index]
selection.select(self.selectionModel)
def setSelections(self, selections):
self._listModel.clear()
for selection in selections:
self.addSelection(selection)
def selections(self):
return self._selections
selections = property(selections, setSelections)
class SelectionSetsWidget(QFrame):
"""
Widget for managing multiple stored item selections
"""
selectionModified = Signal(bool)
def __init__(self, parent):
QFrame.__init__(self, parent)
self.setContentsMargins(0, 0, 0, 0)
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(1)
self._setNameLineEdit = QLineEdit(self)
layout.addWidget(self._setNameLineEdit)
self._setListView = QListView(self)
self._listModel = QStandardItemModel(self)
self._proxyModel = QSortFilterProxyModel(self)
self._proxyModel.setSourceModel(self._listModel)
self._setListView.setModel(self._proxyModel)
self._setListView.setItemDelegate(ListItemDelegate(self))
self._setNameLineEdit.textChanged.connect(
self._proxyModel.setFilterFixedString)
self._completer = QCompleter(self._listModel, self)
self._setNameLineEdit.setCompleter(self._completer)
self._listModel.itemChanged.connect(self._onSetNameChange)
layout.addWidget(self._setListView)
buttonLayout = QHBoxLayout()
self._addAction = QAction("+", self, toolTip="Add a new sort key")
self._updateAction = QAction("Update",
self,
toolTip="Update/save current selection")
self._removeAction = QAction("\u2212",
self,
toolTip="Remove selected sort key.")
self._addToolButton = QToolButton(self)
self._updateToolButton = QToolButton(self)
self._removeToolButton = QToolButton(self)
self._updateToolButton.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.Minimum)
self._addToolButton.setDefaultAction(self._addAction)
self._updateToolButton.setDefaultAction(self._updateAction)
self._removeToolButton.setDefaultAction(self._removeAction)
buttonLayout.addWidget(self._addToolButton)
buttonLayout.addWidget(self._updateToolButton)
buttonLayout.addWidget(self._removeToolButton)
layout.addLayout(buttonLayout)
self.setLayout(layout)
self._addAction.triggered.connect(self.addCurrentSelection)
self._updateAction.triggered.connect(self.updateSelectedSelection)
self._removeAction.triggered.connect(self.removeSelectedSelection)
self._setListView.selectionModel().selectionChanged.connect(
self._onListViewSelectionChanged)
self.selectionModel = None
self._selections = []
def sizeHint(self):
size = QFrame.sizeHint(self)
return QSize(size.width(), 150)
def _onSelectionChanged(self, selected, deselected):
self.setSelectionModified(True)
def _onListViewSelectionChanged(self, selected, deselected):
try:
index = self._setListView.selectedIndexes()[0]
except IndexError:
return
self.commitSelection(self._proxyModel.mapToSource(index).row())
def _onSetNameChange(self, item):
self.selections[item.row()].name = str(item.text())
def _setButtonStates(self, val):
self._updateToolButton.setEnabled(val)
def setSelectionModel(self, selectionModel):
if self.selectionModel:
self.selectionModel.selectionChanged.disconnect(
self._onSelectionChanged)
self.selectionModel = selectionModel
self.selectionModel.selectionChanged.connect(self._onSelectionChanged)
def addCurrentSelection(self):
item = self.addSelection(
SelectionByKey(self.selectionModel.selection(),
name="New selection",
key=(1, 2, 3, 10)))
index = self._proxyModel.mapFromSource(item.index())
self._setListView.setCurrentIndex(index)
self._setListView.edit(index)
self.setSelectionModified(False)
def removeSelectedSelection(self):
i = self._proxyModel.mapToSource(
self._setListView.currentIndex()).row()
self._listModel.takeRow(i)
del self.selections[i]
def updateCurentSelection(self):
i = self._proxyModel.mapToSource(
self._setListView.selectedIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def addSelection(self, selection, name=""):
self._selections.append(selection)
item = QStandardItem(selection.name)
item.setFlags(item.flags() ^ Qt.ItemIsDropEnabled)
self._listModel.appendRow(item)
self.setSelectionModified(False)
return item
def updateSelectedSelection(self):
i = self._proxyModel.mapToSource(
self._setListView.currentIndex()).row()
self.selections[i].setSelection(self.selectionModel.selection())
self.setSelectionModified(False)
def setSelectionModified(self, val):
self._selectionModified = val
self._setButtonStates(val)
self.selectionModified.emit(bool(val))
def commitSelection(self, index):
selection = self.selections[index]
selection.select(self.selectionModel)
def setSelections(self, selections):
self._listModel.clear()
for selection in selections:
self.addSelection(selection)
def selections(self):
return self._selections
selections = property(selections, setSelections)
