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 __init__(self, parent=None, **kwargs): QWidget.__init__(self, parent, **kwargs) layout = QVBoxLayout() layout.setContentsMargins(0, 0, 0, 0) layout.setSpacing(0) self.setLayout(layout) self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding) self.__tabs = [] self.__currentIndex = -1 self.__changeOnHover = False self.__iconSize = QSize(26, 26) self.__group = QButtonGroup(self, exclusive=True) self.__group.buttonPressed[QAbstractButton].connect( self.__onButtonPressed ) self.setMouseTracking(True) self.__sloppyButton = None self.__sloppyRegion = QRegion() self.__sloppyTimer = QTimer(self, singleShot=True) self.__sloppyTimer.timeout.connect(self.__onSloppyTimeout)
def __setupUi(self): layout = QVBoxLayout() layout.setContentsMargins(0, 0, 0, 0) layout.setSpacing(0) self.toolbox = WidgetToolBox() self.help = QuickHelpWidget(objectName="quick-help") self.__splitter = QSplitter() self.__splitter.setOrientation(Qt.Vertical) self.__splitter.addWidget(self.toolbox) self.__splitter.addWidget(self.help) self.toolbar = DynamicResizeToolBar() self.toolbar.setMovable(False) self.toolbar.setFloatable(False) self.toolbar.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Preferred) layout.addWidget(self.__splitter, 10) layout.addWidget(self.toolbar) self.setLayout(layout) self.__splitterResizer = SplitterResizer(self) self.__splitterResizer.setSplitterAndWidget(self.__splitter, self.help)
def __setupUi(self): layout = QVBoxLayout() layout.setContentsMargins(0, 0, 0, 0) layout.setSpacing(0) self.editor = SchemeInfoEdit(self) self.editor.layout().setContentsMargins(20, 20, 20, 20) self.editor.layout().setSpacing(15) self.editor.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) heading = self.tr("Workflow Info") heading = "<h3>{0}</h3>".format(heading) self.heading = QLabel(heading, self, objectName="heading") # Insert heading self.editor.layout().insertRow(0, self.heading) self.buttonbox = QDialogButtonBox( QDialogButtonBox.Ok | QDialogButtonBox.Cancel, Qt.Horizontal, self ) # Insert button box self.editor.layout().addRow(self.buttonbox) widget = StyledWidget(self, objectName="auto-show-container") check_layout = QHBoxLayout() check_layout.setContentsMargins(20, 10, 20, 10) self.__showAtNewSchemeCheck = \ QCheckBox(self.tr("Show when I make a New Workflow."), self, objectName="auto-show-check", checked=False, ) check_layout.addWidget(self.__showAtNewSchemeCheck) check_layout.addWidget( QLabel(self.tr("You can also edit Workflow Info later " "(File -> Workflow Info)."), self, objectName="auto-show-info"), alignment=Qt.AlignRight) widget.setLayout(check_layout) widget.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed) if self.__autoCommit: self.buttonbox.accepted.connect(self.editor.commit) self.buttonbox.accepted.connect(self.accept) self.buttonbox.rejected.connect(self.reject) layout.addWidget(self.editor, stretch=10) layout.addWidget(widget) self.setLayout(layout)
def __setupUi(self): self.setLayout(QVBoxLayout(self)) self.layout().setContentsMargins(6, 6, 6, 6) self.__search = SearchWidget(self, objectName="search-line") self.__search.setPlaceholderText( self.tr("Search for widget or select from the list.") ) self.layout().addWidget(self.__search) self.__frame = QFrame(self, objectName="menu-frame") layout = QVBoxLayout() layout.setContentsMargins(0, 0, 0, 0) layout.setSpacing(2) self.__frame.setLayout(layout) self.layout().addWidget(self.__frame) self.__pages = PagedMenu(self, objectName="paged-menu") self.__pages.currentChanged.connect(self.setCurrentIndex) self.__pages.triggered.connect(self.triggered) self.__pages.hovered.connect(self.hovered) self.__frame.layout().addWidget(self.__pages) self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding) self.__suggestPage = SuggestMenuPage(self, objectName="suggest-page") self.__suggestPage.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE) self.__suggestPage.setIcon(icon_loader().get("icons/Search.svg")) if sys.platform == "darwin": view = self.__suggestPage.view() view.verticalScrollBar().setAttribute(Qt.WA_MacMiniSize, True) # Don't show the focus frame because it expands into the tab bar. view.setAttribute(Qt.WA_MacShowFocusRect, False) i = self.addPage(self.tr("Quick Search"), self.__suggestPage) button = self.__pages.tabButton(i) button.setObjectName("search-tab-button") button.setStyleSheet( "TabButton {\n" " qproperty-flat_: false;\n" " border: none;" "}\n") self.__search.textEdited.connect(self.__on_textEdited) self.__navigator = ItemViewKeyNavigator(self) self.__navigator.setView(self.__suggestPage.view()) self.__search.installEventFilter(self.__navigator) self.__grip = WindowSizeGrip(self) self.__grip.raise_()
def _setup_gui_labels(self): vlayout = QVBoxLayout() vlayout.setContentsMargins(0, 0, 0, 0) vlayout.setSpacing(1) self.labels_edit = QTreeView() self.labels_edit.setEditTriggers(QTreeView.CurrentChanged) self.labels_edit.setRootIsDecorated(False) self.labels_model = DictItemsModel() self.labels_edit.setModel(self.labels_model) self.labels_edit.selectionModel().selectionChanged.connect( self.on_label_selection_changed) # Necessary signals to know when the labels change self.labels_model.dataChanged.connect(self.on_labels_changed) self.labels_model.rowsInserted.connect(self.on_labels_changed) self.labels_model.rowsRemoved.connect(self.on_labels_changed) vlayout.addWidget(self.labels_edit) hlayout = QHBoxLayout() hlayout.setContentsMargins(0, 0, 0, 0) hlayout.setSpacing(1) self.add_label_action = QAction( "+", self, toolTip="Add a new label.", triggered=self.on_add_label, enabled=False, shortcut=QKeySequence(QKeySequence.New)) self.remove_label_action = QAction( unicodedata.lookup("MINUS SIGN"), self, toolTip="Remove selected label.", triggered=self.on_remove_label, enabled=False, shortcut=QKeySequence(QKeySequence.Delete)) button_size = gui.toolButtonSizeHint() button_size = QSize(button_size, button_size) button = QToolButton(self) button.setFixedSize(button_size) button.setDefaultAction(self.add_label_action) hlayout.addWidget(button) button = QToolButton(self) button.setFixedSize(button_size) button.setDefaultAction(self.remove_label_action) hlayout.addWidget(button) hlayout.addStretch(10) vlayout.addLayout(hlayout) self.main_form.addRow("Labels:", vlayout)
def __init__(self, parent=None): super().__init__(parent) self.corpus = None self.initial_ngram_range = None # initial range of input corpus — used for inplace self.preprocessor = preprocess.Preprocessor() # -- INFO -- info_box = gui.widgetBox(self.controlArea, 'Info') info_box.setFixedWidth(self.control_area_width) self.controlArea.layout().addStretch() self.info_label = gui.label(info_box, self, '') self.update_info() # -- PIPELINE -- frame = QFrame() frame.setContentsMargins(0, 0, 0, 0) frame.setFrameStyle(QFrame.Box) frame.setStyleSheet('.QFrame { border: 1px solid #B3B3B3; }') frame_layout = QVBoxLayout() frame_layout.setContentsMargins(0, 0, 0, 0) frame_layout.setSpacing(0) frame.setLayout(frame_layout) self.stages = [] for stage in self.preprocessors: widget = stage(self) self.stages.append(widget) setattr(self, stage.attribute, widget) frame_layout.addWidget(widget) widget.change_signal.connect(self.settings_invalidated) frame_layout.addStretch() self.scroll = QScrollArea() self.scroll.setWidget(frame) self.scroll.setWidgetResizable(True) self.scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) self.scroll.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn) self.scroll.resize(frame_layout.sizeHint()) self.scroll.setMinimumHeight(500) self.set_minimal_width() self.mainArea.layout().addWidget(self.scroll) # Buttons area self.report_button.setFixedWidth(self.control_area_width) commit_button = gui.auto_commit(self.buttonsArea, self, 'autocommit', 'Commit', box=False) commit_button.setFixedWidth(self.control_area_width - 5) self.buttonsArea.layout().addWidget(commit_button)
def __init__(self, parent=None, **kwargs): BaseEditor.__init__(self, parent, **kwargs) OWComponent.__init__(self, parent) WidgetMessagesMixin.__init__(self) layout = QVBoxLayout() layout.setSpacing(0) layout.setContentsMargins(0, 0, 0, 0) self.setLayout(layout) self.controlArea = QWidget(self) self.controlArea.setContentsMargins(0, 0, 0, 0) self.layout().addWidget(self.controlArea) self.insert_message_bar() # from WidgetMessagesMixin self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
def container_widget_helper(orientation=Qt.Vertical, spacing=None, margin=0): widget = QWidget() if orientation == Qt.Vertical: layout = QVBoxLayout() widget.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.MinimumExpanding) else: layout = QHBoxLayout() if spacing is not None: layout.setSpacing(spacing) if margin is not None: layout.setContentsMargins(0, 0, 0, 0) widget.setLayout(layout) return widget
class PreprocessorModule(gui.OWComponent, QWidget): """The base widget for the pre-processing modules.""" change_signal = pyqtSignal() # Emitted when the settings are changed. title = NotImplemented attribute = NotImplemented methods = NotImplemented single_method = True toggle_enabled = True enabled = settings.Setting(True) disabled_value = None Layout = QGridLayout def __init__(self, master): QWidget.__init__(self) gui.OWComponent.__init__(self, master) self.master = master # Title bar. title_holder = QWidget() title_holder.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed) title_holder.setStyleSheet(""" .QWidget { background: qlineargradient( x1:0 y1:0, x2:0 y2:1, stop:0 #F8F8F8, stop:1 #C8C8C8); border-bottom: 1px solid #B3B3B3; } """) self.titleArea = QHBoxLayout() self.titleArea.setContentsMargins(10, 5, 10, 5) self.titleArea.setSpacing(0) title_holder.setLayout(self.titleArea) self.title_label = QLabel(self.title) self.title_label.mouseDoubleClickEvent = self.on_toggle self.title_label.setStyleSheet('font-size: 12px; border: 2px solid red;') self.titleArea.addWidget(self.title_label) self.off_label = QLabel('[disabled]') self.off_label.setStyleSheet('color: #B0B0B0; margin-left: 5px;') self.titleArea.addWidget(self.off_label) self.off_label.hide() self.titleArea.addStretch() # Root. self.rootArea = QVBoxLayout() self.rootArea.setContentsMargins(0, 0, 0, 0) self.rootArea.setSpacing(0) self.setLayout(self.rootArea) self.rootArea.addWidget(title_holder) self.contents = QWidget() contentArea = QVBoxLayout() contentArea.setContentsMargins(15, 10, 15, 10) self.contents.setLayout(contentArea) self.rootArea.addWidget(self.contents) self.method_layout = self.Layout() self.setup_method_layout() self.contents.layout().addLayout(self.method_layout) if self.toggle_enabled: self.on_off_button = OnOffButton(enabled=self.enabled) self.on_off_button.stateChanged.connect(self.on_toggle) self.on_off_button.setContentsMargins(0, 0, 0, 0) self.titleArea.addWidget(self.on_off_button) self.display_widget() @staticmethod def get_tooltip(method): return ' '.join([l.strip() for l in method.__doc__.split('\n')]).strip('.') \ if method.__doc__ else None @staticmethod def textify(text): return text.replace('&', '&&') @property def value(self): if self.enabled: return self.get_value() return self.disabled_value def setup_method_layout(self): raise NotImplementedError def on_toggle(self, event=None): # Activated when the widget is enabled/disabled. self.enabled = not self.enabled self.display_widget() self.update_value() def display_widget(self): if self.enabled: self.off_label.hide() self.contents.show() self.title_label.setStyleSheet('color: #000000;') else: self.off_label.show() self.contents.hide() self.title_label.setStyleSheet('color: #B0B0B0;') def get_value(self): raise NotImplemented def update_value(self): self.change_signal.emit()
class ToolBox(QFrame): """ A tool box widget. """ # Emitted when a tab is toggled. tabToogled = Signal(int, bool) def setExclusive(self, exclusive): """ Set exclusive tabs (only one tab can be open at a time). """ if self.__exclusive != exclusive: self.__exclusive = exclusive self.__tabActionGroup.setExclusive(exclusive) checked = self.__tabActionGroup.checkedAction() if checked is None: # The action group can be out of sync with the actions state # when switching between exclusive states. actions_checked = [ page.action for page in self.__pages if page.action.isChecked() ] if actions_checked: checked = actions_checked[0] # Trigger/toggle remaining open pages if exclusive and checked is not None: for page in self.__pages: if checked != page.action and page.action.isChecked(): page.action.trigger() def exclusive(self): """ Are the tabs in the toolbox exclusive. """ return self.__exclusive exclusive_ = Property( bool, fget=exclusive, fset=setExclusive, designable=True, doc="Exclusive tabs" ) def __init__(self, parent=None, **kwargs): QFrame.__init__(self, parent, **kwargs) self.__pages = [] self.__tabButtonHeight = -1 self.__tabIconSize = QSize() self.__exclusive = False self.__setupUi() def __setupUi(self): layout = QVBoxLayout() layout.setContentsMargins(0, 0, 0, 0) # Scroll area for the contents. self.__scrollArea = _ToolBoxScrollArea(self, objectName="toolbox-scroll-area") self.__scrollArea.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn) self.__scrollArea.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) self.__scrollArea.setSizePolicy( QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding ) self.__scrollArea.setFrameStyle(QScrollArea.NoFrame) self.__scrollArea.setWidgetResizable(True) # A widget with all of the contents. # The tabs/contents are placed in the layout inside this widget self.__contents = QWidget(self.__scrollArea, objectName="toolbox-contents") # The layout where all the tab/pages are placed self.__contentsLayout = QVBoxLayout() self.__contentsLayout.setContentsMargins(0, 0, 0, 0) self.__contentsLayout.setSizeConstraint(QVBoxLayout.SetMinAndMaxSize) self.__contentsLayout.setSpacing(0) self.__contents.setLayout(self.__contentsLayout) self.__scrollArea.setWidget(self.__contents) layout.addWidget(self.__scrollArea) self.setLayout(layout) self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.MinimumExpanding) self.__tabActionGroup = QActionGroup( self, objectName="toolbox-tab-action-group" ) self.__tabActionGroup.setExclusive(self.__exclusive) self.__actionMapper = QSignalMapper(self) self.__actionMapper.mapped[QObject].connect(self.__onTabActionToogled) def setTabButtonHeight(self, height): """ Set the tab button height. """ if self.__tabButtonHeight != height: self.__tabButtonHeight = height for page in self.__pages: page.button.setFixedHeight(height) def tabButtonHeight(self): """ Return the tab button height. """ return self.__tabButtonHeight def setTabIconSize(self, size): """ Set the tab button icon size. """ if self.__tabIconSize != size: self.__tabIconSize = size for page in self.__pages: page.button.setIconSize(size) def tabIconSize(self): """ Return the tab icon size. """ return self.__tabIconSize def tabButton(self, index): """ Return the tab button at `index` """ return self.__pages[index].button def tabAction(self, index): """ Return open/close action for the tab at `index`. """ return self.__pages[index].action def addItem(self, widget, text, icon=None, toolTip=None): """ Append the `widget` in a new tab and return its index. Parameters ---------- widget : :class:`QWidget` A widget to be inserted. The toolbox takes ownership of the widget. text : str Name/title of the new tab. icon : :class:`QIcon`, optional An icon for the tab button. toolTip : str, optional Tool tip for the tab button. """ return self.insertItem(self.count(), widget, text, icon, toolTip) def insertItem(self, index, widget, text, icon=None, toolTip=None): """ Insert the `widget` in a new tab at position `index`. See also -------- ToolBox.addItem """ button = self.createTabButton(widget, text, icon, toolTip) self.__contentsLayout.insertWidget(index * 2, button) self.__contentsLayout.insertWidget(index * 2 + 1, widget) widget.hide() page = _ToolBoxPage(index, widget, button.defaultAction(), button) self.__pages.insert(index, page) for i in range(index + 1, self.count()): self.__pages[i] = self.__pages[i]._replace(index=i) self.__updatePositions() # Show (open) the first tab. if self.count() == 1 and index == 0: page.action.trigger() self.__updateSelected() self.updateGeometry() return index def removeItem(self, index): """ Remove the widget at `index`. .. note:: The widget hidden but is is not deleted. """ self.__contentsLayout.takeAt(2 * index + 1) self.__contentsLayout.takeAt(2 * index) page = self.__pages.pop(index) # Update the page indexes for i in range(index, self.count()): self.__pages[i] = self.__pages[i]._replace(index=i) page.button.deleteLater() # Hide the widget and reparent to self # This follows QToolBox.removeItem page.widget.hide() page.widget.setParent(self) self.__updatePositions() self.__updateSelected() self.updateGeometry() def count(self): """ Return the number of widgets inserted in the toolbox. """ return len(self.__pages) def widget(self, index): """ Return the widget at `index`. """ return self.__pages[index].widget def createTabButton(self, widget, text, icon=None, toolTip=None): """ Create the tab button for `widget`. """ action = QAction(text, self) action.setCheckable(True) if icon: action.setIcon(icon) if toolTip: action.setToolTip(toolTip) self.__tabActionGroup.addAction(action) self.__actionMapper.setMapping(action, action) action.toggled.connect(self.__actionMapper.map) button = ToolBoxTabButton(self, objectName="toolbox-tab-button") button.setDefaultAction(action) button.setToolButtonStyle(Qt.ToolButtonTextBesideIcon) button.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed) if self.__tabIconSize.isValid(): button.setIconSize(self.__tabIconSize) if self.__tabButtonHeight > 0: button.setFixedHeight(self.__tabButtonHeight) return button def ensureWidgetVisible(self, child, xmargin=50, ymargin=50): """ Scroll the contents so child widget instance is visible inside the viewport. """ self.__scrollArea.ensureWidgetVisible(child, xmargin, ymargin) def sizeHint(self): hint = self.__contentsLayout.sizeHint() if self.count(): # Compute max width of hidden widgets also. scroll = self.__scrollArea scroll_w = scroll.verticalScrollBar().sizeHint().width() frame_w = self.frameWidth() * 2 + scroll.frameWidth() * 2 max_w = max([p.widget.sizeHint().width() for p in self.__pages]) hint = QSize(max(max_w, hint.width()) + scroll_w + frame_w, hint.height()) return QSize(200, 200).expandedTo(hint) def __onTabActionToogled(self, action): page = find(self.__pages, action, key=attrgetter("action")) on = action.isChecked() page.widget.setVisible(on) index = page.index if index > 0: # Update the `previous` tab buttons style hints previous = self.__pages[index - 1].button flag = QStyleOptionToolBox.NextIsSelected if on: previous.selected |= flag else: previous.selected &= ~flag previous.update() if index < self.count() - 1: next = self.__pages[index + 1].button flag = QStyleOptionToolBox.PreviousIsSelected if on: next.selected |= flag else: next.selected &= ~flag next.update() self.tabToogled.emit(index, on) self.__contentsLayout.invalidate() def __updateSelected(self): """Update the tab buttons selected style flags. """ if self.count() == 0: return opt = QStyleOptionToolBox def update(button, next_sel, prev_sel): if next_sel: button.selected |= opt.NextIsSelected else: button.selected &= ~opt.NextIsSelected if prev_sel: button.selected |= opt.PreviousIsSelected else: button.selected &= ~opt.PreviousIsSelected button.update() if self.count() == 1: update(self.__pages[0].button, False, False) elif self.count() >= 2: pages = self.__pages for i in range(1, self.count() - 1): update( pages[i].button, pages[i + 1].action.isChecked(), pages[i - 1].action.isChecked(), ) def __updatePositions(self): """Update the tab buttons position style flags. """ if self.count() == 0: return elif self.count() == 1: self.__pages[0].button.position = QStyleOptionToolBox.OnlyOneTab else: self.__pages[0].button.position = QStyleOptionToolBox.Beginning self.__pages[-1].button.position = QStyleOptionToolBox.End for p in self.__pages[1:-1]: p.button.position = QStyleOptionToolBox.Middle for p in self.__pages: p.button.update()
class ToolBox(QFrame): """ A tool box widget. """ # Emitted when a tab is toggled. tabToogled = Signal(int, bool) def setExclusive(self, exclusive): """ Set exclusive tabs (only one tab can be open at a time). """ if self.__exclusive != exclusive: self.__exclusive = exclusive self.__tabActionGroup.setExclusive(exclusive) checked = self.__tabActionGroup.checkedAction() if checked is None: # The action group can be out of sync with the actions state # when switching between exclusive states. actions_checked = [page.action for page in self.__pages if page.action.isChecked()] if actions_checked: checked = actions_checked[0] # Trigger/toggle remaining open pages if exclusive and checked is not None: for page in self.__pages: if checked != page.action and page.action.isChecked(): page.action.trigger() def exclusive(self): """ Are the tabs in the toolbox exclusive. """ return self.__exclusive exclusive_ = Property(bool, fget=exclusive, fset=setExclusive, designable=True, doc="Exclusive tabs") def __init__(self, parent=None, **kwargs): QFrame.__init__(self, parent, **kwargs) self.__pages = [] self.__tabButtonHeight = -1 self.__tabIconSize = QSize() self.__exclusive = False self.__setupUi() def __setupUi(self): layout = QVBoxLayout() layout.setContentsMargins(0, 0, 0, 0) # Scroll area for the contents. self.__scrollArea = \ _ToolBoxScrollArea(self, objectName="toolbox-scroll-area") self.__scrollArea.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn) self.__scrollArea.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) self.__scrollArea.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) self.__scrollArea.setFrameStyle(QScrollArea.NoFrame) self.__scrollArea.setWidgetResizable(True) # A widget with all of the contents. # The tabs/contents are placed in the layout inside this widget self.__contents = QWidget(self.__scrollArea, objectName="toolbox-contents") # The layout where all the tab/pages are placed self.__contentsLayout = QVBoxLayout() self.__contentsLayout.setContentsMargins(0, 0, 0, 0) self.__contentsLayout.setSizeConstraint(QVBoxLayout.SetMinAndMaxSize) self.__contentsLayout.setSpacing(0) self.__contents.setLayout(self.__contentsLayout) self.__scrollArea.setWidget(self.__contents) layout.addWidget(self.__scrollArea) self.setLayout(layout) self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.MinimumExpanding) self.__tabActionGroup = \ QActionGroup(self, objectName="toolbox-tab-action-group") self.__tabActionGroup.setExclusive(self.__exclusive) self.__actionMapper = QSignalMapper(self) self.__actionMapper.mapped[QObject].connect(self.__onTabActionToogled) def setTabButtonHeight(self, height): """ Set the tab button height. """ if self.__tabButtonHeight != height: self.__tabButtonHeight = height for page in self.__pages: page.button.setFixedHeight(height) def tabButtonHeight(self): """ Return the tab button height. """ return self.__tabButtonHeight def setTabIconSize(self, size): """ Set the tab button icon size. """ if self.__tabIconSize != size: self.__tabIconSize = size for page in self.__pages: page.button.setIconSize(size) def tabIconSize(self): """ Return the tab icon size. """ return self.__tabIconSize def tabButton(self, index): """ Return the tab button at `index` """ return self.__pages[index].button def tabAction(self, index): """ Return open/close action for the tab at `index`. """ return self.__pages[index].action def addItem(self, widget, text, icon=None, toolTip=None): """ Append the `widget` in a new tab and return its index. Parameters ---------- widget : :class:`QWidget` A widget to be inserted. The toolbox takes ownership of the widget. text : str Name/title of the new tab. icon : :class:`QIcon`, optional An icon for the tab button. toolTip : str, optional Tool tip for the tab button. """ return self.insertItem(self.count(), widget, text, icon, toolTip) def insertItem(self, index, widget, text, icon=None, toolTip=None): """ Insert the `widget` in a new tab at position `index`. See also -------- ToolBox.addItem """ button = self.createTabButton(widget, text, icon, toolTip) self.__contentsLayout.insertWidget(index * 2, button) self.__contentsLayout.insertWidget(index * 2 + 1, widget) widget.hide() page = _ToolBoxPage(index, widget, button.defaultAction(), button) self.__pages.insert(index, page) for i in range(index + 1, self.count()): self.__pages[i] = self.__pages[i]._replace(index=i) self.__updatePositions() # Show (open) the first tab. if self.count() == 1 and index == 0: page.action.trigger() self.__updateSelected() self.updateGeometry() return index def removeItem(self, index): """ Remove the widget at `index`. .. note:: The widget hidden but is is not deleted. """ self.__contentsLayout.takeAt(2 * index + 1) self.__contentsLayout.takeAt(2 * index) page = self.__pages.pop(index) # Update the page indexes for i in range(index, self.count()): self.__pages[i] = self.__pages[i]._replace(index=i) page.button.deleteLater() # Hide the widget and reparent to self # This follows QToolBox.removeItem page.widget.hide() page.widget.setParent(self) self.__updatePositions() self.__updateSelected() self.updateGeometry() def count(self): """ Return the number of widgets inserted in the toolbox. """ return len(self.__pages) def widget(self, index): """ Return the widget at `index`. """ return self.__pages[index].widget def createTabButton(self, widget, text, icon=None, toolTip=None): """ Create the tab button for `widget`. """ action = QAction(text, self) action.setCheckable(True) if icon: action.setIcon(icon) if toolTip: action.setToolTip(toolTip) self.__tabActionGroup.addAction(action) self.__actionMapper.setMapping(action, action) action.toggled.connect(self.__actionMapper.map) button = ToolBoxTabButton(self, objectName="toolbox-tab-button") button.setDefaultAction(action) button.setToolButtonStyle(Qt.ToolButtonTextBesideIcon) button.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed) if self.__tabIconSize.isValid(): button.setIconSize(self.__tabIconSize) if self.__tabButtonHeight > 0: button.setFixedHeight(self.__tabButtonHeight) return button def ensureWidgetVisible(self, child, xmargin=50, ymargin=50): """ Scroll the contents so child widget instance is visible inside the viewport. """ self.__scrollArea.ensureWidgetVisible(child, xmargin, ymargin) def sizeHint(self): hint = self.__contentsLayout.sizeHint() if self.count(): # Compute max width of hidden widgets also. scroll = self.__scrollArea scroll_w = scroll.verticalScrollBar().sizeHint().width() frame_w = self.frameWidth() * 2 + scroll.frameWidth() * 2 max_w = max([p.widget.sizeHint().width() for p in self.__pages]) hint = QSize(max(max_w, hint.width()) + scroll_w + frame_w, hint.height()) return QSize(200, 200).expandedTo(hint) def __onTabActionToogled(self, action): page = find(self.__pages, action, key=attrgetter("action")) on = action.isChecked() page.widget.setVisible(on) index = page.index if index > 0: # Update the `previous` tab buttons style hints previous = self.__pages[index - 1].button flag = QStyleOptionToolBox.NextIsSelected if on: previous.selected |= flag else: previous.selected &= ~flag previous.update() if index < self.count() - 1: next = self.__pages[index + 1].button flag = QStyleOptionToolBox.PreviousIsSelected if on: next.selected |= flag else: next.selected &= ~flag next.update() self.tabToogled.emit(index, on) self.__contentsLayout.invalidate() def __updateSelected(self): """Update the tab buttons selected style flags. """ if self.count() == 0: return opt = QStyleOptionToolBox def update(button, next_sel, prev_sel): if next_sel: button.selected |= opt.NextIsSelected else: button.selected &= ~opt.NextIsSelected if prev_sel: button.selected |= opt.PreviousIsSelected else: button.selected &= ~ opt.PreviousIsSelected button.update() if self.count() == 1: update(self.__pages[0].button, False, False) elif self.count() >= 2: pages = self.__pages for i in range(1, self.count() - 1): update(pages[i].button, pages[i + 1].action.isChecked(), pages[i - 1].action.isChecked()) def __updatePositions(self): """Update the tab buttons position style flags. """ if self.count() == 0: return elif self.count() == 1: self.__pages[0].button.position = QStyleOptionToolBox.OnlyOneTab else: self.__pages[0].button.position = QStyleOptionToolBox.Beginning self.__pages[-1].button.position = QStyleOptionToolBox.End for p in self.__pages[1:-1]: p.button.position = QStyleOptionToolBox.Middle for p in self.__pages: p.button.update()
def __setupUi(self): layout = QVBoxLayout() layout.setContentsMargins(0, 0, 0, 0) layout.setSpacing(0) self.editor = SchemeInfoEdit(self) self.editor.layout().setContentsMargins(20, 20, 20, 20) self.editor.layout().setSpacing(15) self.editor.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) heading = self.tr("数据挖掘流程属性信息") heading = "<h3>{0}</h3>".format(heading) self.heading = QLabel(heading, self, objectName="heading") # Insert heading self.editor.layout().insertRow(0, self.heading) self.buttonbox = QDialogButtonBox( QDialogButtonBox.Ok | QDialogButtonBox.Cancel, Qt.Horizontal, self ) #self.buttonBox = QDialogButtonBox(self) #self.buttonBox.setOrientation(Qt.Horizontal) self.buttonbox.button(QDialogButtonBox.Ok).setText("确定") self.buttonbox.button(QDialogButtonBox.Cancel).setText("取消") # Insert button box self.editor.layout().addRow(self.buttonbox) widget = StyledWidget(self, objectName="auto-show-container") check_layout = QHBoxLayout() check_layout.setContentsMargins(20, 10, 20, 10) self.__showAtNewSchemeCheck = \ QCheckBox(self.tr("创建新的数据挖掘流程时显示."), self, objectName="auto-show-check", checked=False, ) check_layout.addWidget(self.__showAtNewSchemeCheck) check_layout.addWidget( QLabel(self.tr("编辑数据挖掘流程属性信息" "(文件 -> 属性)."), self, objectName="auto-show-info"), alignment=Qt.AlignRight) widget.setLayout(check_layout) widget.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed) if self.__autoCommit: self.buttonbox.accepted.connect(self.editor.commit) self.buttonbox.accepted.connect(self.accept) self.buttonbox.rejected.connect(self.reject) layout.addWidget(self.editor, stretch=10) layout.addWidget(widget) self.setLayout(layout)
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 = []
class WelcomeDialog(QDialog): """ A welcome widget shown at startup presenting a series of buttons (actions) for a beginner to choose from. """ triggered = Signal(QAction) def __init__(self, *args, **kwargs): showAtStartup = kwargs.pop("showAtStartup", True) feedbackUrl = kwargs.pop("feedbackUrl", "") super().__init__(*args, **kwargs) self.__triggeredAction = None self.__showAtStartupCheck = None self.__mainLayout = None self.__feedbackUrl = None self.__feedbackLabel = None self.setupUi() self.setFeedbackUrl(feedbackUrl) self.setShowAtStartup(showAtStartup) def setupUi(self): self.setLayout(QVBoxLayout()) self.layout().setContentsMargins(0, 0, 0, 0) self.layout().setSpacing(0) self.__mainLayout = QVBoxLayout() self.__mainLayout.setContentsMargins(0, 40, 0, 40) self.__mainLayout.setSpacing(65) self.layout().addLayout(self.__mainLayout) self.setStyleSheet(WELCOME_WIDGET_BUTTON_STYLE) bottom_bar = QWidget(objectName="bottom-bar") bottom_bar_layout = QHBoxLayout() bottom_bar_layout.setContentsMargins(20, 10, 20, 10) bottom_bar.setLayout(bottom_bar_layout) bottom_bar.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Maximum) self.__showAtStartupCheck = QCheckBox( self.tr("Show at startup"), bottom_bar, checked=False ) self.__feedbackLabel = QLabel( textInteractionFlags=Qt.TextBrowserInteraction, openExternalLinks=True, visible=False, ) bottom_bar_layout.addWidget( self.__showAtStartupCheck, alignment=Qt.AlignVCenter | Qt.AlignLeft ) bottom_bar_layout.addWidget( self.__feedbackLabel, alignment=Qt.AlignVCenter | Qt.AlignRight ) self.layout().addWidget(bottom_bar, alignment=Qt.AlignBottom, stretch=1) self.setSizeGripEnabled(False) self.setFixedSize(620, 390) def setShowAtStartup(self, show): """ Set the 'Show at startup' check box state. """ if self.__showAtStartupCheck.isChecked() != show: self.__showAtStartupCheck.setChecked(show) def showAtStartup(self): """ Return the 'Show at startup' check box state. """ return self.__showAtStartupCheck.isChecked() def setFeedbackUrl(self, url): # type: (str) -> None """ Set an 'feedback' url. When set a link is displayed in the bottom row. """ self.__feedbackUrl = url if url: text = self.tr("Help us improve!") self.__feedbackLabel.setText( '<a href="{url}">{text}</a>'.format(url=url, text=escape(text)) ) else: self.__feedbackLabel.setText("") self.__feedbackLabel.setVisible(bool(url)) def addRow(self, actions, background="light-orange"): """Add a row with `actions`. """ count = self.__mainLayout.count() self.insertRow(count, actions, background) def insertRow(self, index, actions, background="light-orange"): """Insert a row with `actions` at `index`. """ widget = QWidget(objectName="icon-row") layout = QHBoxLayout() layout.setContentsMargins(40, 0, 40, 0) layout.setSpacing(65) widget.setLayout(layout) self.__mainLayout.insertWidget(index, widget, stretch=10, alignment=Qt.AlignCenter) for i, action in enumerate(actions): self.insertAction(index, i, action, background) def insertAction(self, row, index, action, background="light-orange"): """Insert `action` in `row` in position `index`. """ button = self.createButton(action, background) self.insertButton(row, index, button) def insertButton(self, row, index, button): """Insert `button` in `row` in position `index`. """ item = self.__mainLayout.itemAt(row) layout = item.widget().layout() layout.insertWidget(index, button) button.triggered.connect(self.__on_actionTriggered) def createButton(self, action, background="light-orange"): """Create a tool button for action. """ button = WelcomeActionButton(self) button.setDefaultAction(action) button.setText(action.iconText()) button.setIcon(decorate_welcome_icon(action.icon(), background)) button.setToolTip(action.toolTip()) button.setFixedSize(100, 100) button.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) button.setVisible(action.isVisible()) font = QFont(button.font()) font.setPointSize(13) button.setFont(font) return button def buttonAt(self, i, j): """Return the button at i-t row and j-th column. """ item = self.__mainLayout.itemAt(i) row = item.widget() item = row.layout().itemAt(j) return item.widget() def triggeredAction(self): """Return the action that was triggered by the user. """ return self.__triggeredAction def showEvent(self, event): # Clear the triggered action before show. self.__triggeredAction = None super().showEvent(event) def __on_actionTriggered(self, action): """Called when the button action is triggered. """ self.triggered.emit(action) self.__triggeredAction = action
class WelcomeDialog(QDialog): """A welcome widget shown at startup presenting a series of buttons (actions) for a beginner to choose from. """ triggered = Signal(QAction) def __init__(self, *args, **kwargs): QDialog.__init__(self, *args, **kwargs) self.__triggeredAction = None self.setupUi() def setupUi(self): self.setLayout(QVBoxLayout()) self.layout().setContentsMargins(0, 0, 0, 0) self.layout().setSpacing(0) self.__mainLayout = QVBoxLayout() self.__mainLayout.setContentsMargins(0, 40, 0, 40) self.__mainLayout.setSpacing(65) self.layout().addLayout(self.__mainLayout) self.setStyleSheet(WELCOME_WIDGET_BUTTON_STYLE) bottom_bar = QWidget(objectName="bottom-bar") bottom_bar_layout = QHBoxLayout() bottom_bar_layout.setContentsMargins(20, 10, 20, 10) bottom_bar.setLayout(bottom_bar_layout) bottom_bar.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Maximum) check = QCheckBox(self.tr("Show at startup"), bottom_bar) check.setChecked(False) self.__showAtStartupCheck = check feedback = QLabel( '<a href="http://orange.biolab.si/survey/long.html">Help us improve!</a>') feedback.setTextInteractionFlags(Qt.TextBrowserInteraction) feedback.setOpenExternalLinks(True) bottom_bar_layout.addWidget(check, alignment=Qt.AlignVCenter | \ Qt.AlignLeft) bottom_bar_layout.addWidget(feedback, alignment=Qt.AlignVCenter | \ Qt.AlignRight) self.layout().addWidget(bottom_bar, alignment=Qt.AlignBottom, stretch=1) self.setSizeGripEnabled(False) self.setFixedSize(620, 390) def setShowAtStartup(self, show): """ Set the 'Show at startup' check box state. """ if self.__showAtStartupCheck.isChecked() != show: self.__showAtStartupCheck.setChecked(show) def showAtStartup(self): """ Return the 'Show at startup' check box state. """ return self.__showAtStartupCheck.isChecked() def addRow(self, actions, background="light-orange"): """Add a row with `actions`. """ count = self.__mainLayout.count() self.insertRow(count, actions, background) def insertRow(self, index, actions, background="light-orange"): """Insert a row with `actions` at `index`. """ widget = QWidget(objectName="icon-row") layout = QHBoxLayout() layout.setContentsMargins(40, 0, 40, 0) layout.setSpacing(65) widget.setLayout(layout) self.__mainLayout.insertWidget(index, widget, stretch=10, alignment=Qt.AlignCenter) for i, action in enumerate(actions): self.insertAction(index, i, action, background) def insertAction(self, row, index, action, background="light-orange"): """Insert `action` in `row` in position `index`. """ button = self.createButton(action, background) self.insertButton(row, index, button) def insertButton(self, row, index, button): """Insert `button` in `row` in position `index`. """ item = self.__mainLayout.itemAt(row) layout = item.widget().layout() layout.insertWidget(index, button) button.triggered.connect(self.__on_actionTriggered) def createButton(self, action, background="light-orange"): """Create a tool button for action. """ button = WelcomeActionButton(self) button.setDefaultAction(action) button.setText(action.iconText()) button.setIcon(decorate_welcome_icon(action.icon(), background)) button.setToolTip(action.toolTip()) button.setFixedSize(100, 100) button.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) font = QFont(button.font()) font.setPointSize(13) button.setFont(font) return button def buttonAt(self, i, j): """Return the button at i-t row and j-th column. """ item = self.__mainLayout.itemAt(i) row = item.widget() item = row.layout().itemAt(j) return item.widget() def triggeredAction(self): """Return the action that was triggered by the user. """ return self.__triggeredAction def showEvent(self, event): # Clear the triggered action before show. self.__triggeredAction = None QDialog.showEvent(self, event) def __on_actionTriggered(self, action): """Called when the button action is triggered. """ self.triggered.emit(action) self.__triggeredAction = action