Python qtpy.QtCore.Slot() Examples

def __enable_point_context(self) -> None:
        """Adjust the status of QActions.

        What ever we have least one point or not,
        need to enable / disable QAction.
        """
        selection = self.entities_point.selected_rows()
        # Set grounded state
        if selection:
            self.action_p_lock.setChecked(all(
                VLink.FRAME in self.vpoint_list[row].links for row in selection
            ))
        self.context.point_enable(len(selection))

        def mj_func(order: int) -> Callable[[], None]:
            """Generate a merge function."""
            @Slot()
            def func() -> None:
                self.__to_multiple_joint(order, selection)
            return func

        for i, p in enumerate(selection):
            action = QAction(f"Base on Point{p}", self)
            action.triggered.connect(mj_func(i))
            self.pop_point_m.addAction(action) 

def __enable_link_context(self) -> None:
        """Enable / disable link's QAction, same as point table."""
        selection = self.entities_link.selected_rows()
        row = self.entities_link.currentRow()
        self.context.link_enable(len(selection), row)

        def ml_func(order: int) -> Callable[[], None]:
            """Generate a merge function."""
            @Slot(int)
            def func() -> None:
                self.__merge_link(order, selection)
            return func

        for i, row in enumerate(selection):
            action = QAction(f"Base on \"{self.vlink_list[row].name}\"", self)
            action.triggered.connect(ml_func(i))
            self.pop_link_m.addAction(action) 

def __alignment(self) -> None:
        """Menu of alignment function."""

        def switch_icon(m: int, icon_name: str) -> Callable[[], None]:
            @Slot()
            def func() -> None:
                self.alignment_mode = m
                self.alignment_button.setIcon(QIcon(QPixmap(icon_name)))

            return func

        menu = QMenu(self)
        for i, (text, icon) in enumerate([
            ("Vertical alignment", "vertical_align"),
            ("Horizontal alignment", "horizontal_align"),
        ]):
            icon = f":/icons/{icon}.png"
            action = QAction(QIcon(QPixmap(icon)), text, self)
            action.triggered.connect(switch_icon(i, icon))
            menu.addAction(action)
        self.alignment_button.setMenu(menu)
        self.alignment_button.clicked.connect(self.point_alignment) 

def __init__(self, row: int, parent: QWidget):
        super(BaseTableWidget, self).__init__(parent)
        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        self.setStatusTip("This table will show about the entities items in "
                          "current view mode.")
        self.setEditTriggers(QAbstractItemView.NoEditTriggers)
        self.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.setVerticalScrollMode(QAbstractItemView.ScrollPerPixel)
        self.setHorizontalScrollMode(QAbstractItemView.ScrollPerPixel)

        self.setRowCount(row)
        self.setColumnCount(len(self.headers))
        for i, e in enumerate(self.headers):
            self.setHorizontalHeaderItem(i, QTableWidgetItem(e))

        # Table widget column width.
        header = self.horizontalHeader()
        header.setSectionResizeMode(QHeaderView.ResizeToContents)

        @Slot()
        def emit_selection_changed() -> None:
            self.row_selection_changed.emit(self.selected_rows())

        self.itemSelectionChanged.connect(emit_selection_changed) 

def __free_move(self) -> None:
        """Menu of free move mode."""

        def free_move_mode_func(j: int, icon_qt: QIcon) -> Callable[[], None]:
            @Slot()
            def func() -> None:
                self.free_move_button.setIcon(icon_qt)
                self.main_canvas.set_free_move(j)
                self.entities_tab.setCurrentIndex(0)
                self.inputs_widget.variable_stop.click()

            return func

        menu = QMenu(self)
        for i, (text, icon, tip) in enumerate([
            ("View mode", "free_move_off", "Disable free move mode."),
            ("Translate mode", "translate", "Edit by 2 DOF moving."),
            ("Rotate mode", "rotate", "Edit by 1 DOF moving."),
            ("Reflect mode", "reflect", "Edit by flip axis."),
        ]):
            action = QAction(QIcon(QPixmap(f":/icons/{icon}.png")), text, self)
            action.triggered.connect(free_move_mode_func(i, action.icon()))
            action.setShortcut(f"Ctrl+{i + 1}")
            action.setShortcutContext(Qt.WindowShortcut)
            action.setStatusTip(tip)
            menu.addAction(action)
            if i == 0:
                self.free_move_disable = action
        self.free_move_button.setMenu(menu)