Python QPushButton.setIcon方法代码示例

# 需要导入模块: from qtpy.QtWidgets import QPushButton [as 别名]
# 或者: from qtpy.QtWidgets.QPushButton import setIcon [as 别名]

#.........这里部分代码省略.........
        self.rename_button.toggled.connect(self.rename_button_toggled)

        close_icon = get_icon('mdi.close')
        self.close_button = QPushButton(close_icon, "")
        self.close_button.setToolTip('Delete')
        self.close_button.setFlat(True)
        self.close_button.setMaximumWidth(self.close_button.iconSize().width() * 5 / 3)
        self.close_button.clicked.connect(lambda: self.close_pressed(self.plot_number))

        self.layout = QHBoxLayout()

        # Get rid of the top and bottom margins - the button provides
        # some natural margin anyway. Get rid of right margin and
        # reduce spacing to get buttons closer together.
        self.layout.setContentsMargins(5, 0, 0, 0)
        self.layout.setSpacing(0)

        self.layout.addWidget(self.line_edit)
        self.layout.addWidget(self.hide_button)
        self.layout.addWidget(self.rename_button)
        self.layout.addWidget(self.close_button)

        self.layout.sizeHint()
        self.setLayout(self.layout)

    def set_plot_name(self, new_name):
        """
        Sets the internally stored and displayed plot name
        :param new_name: The name to set
        """
        self.line_edit.setText(new_name)

    def close_pressed(self, plot_number):
        """
        Close the plot with the given name
        :param plot_number: The unique number in GlobalFigureManager
        """
        self.presenter.close_single_plot(plot_number)

    def rename_button_toggled(self, checked):
        """
        If the rename button is pressed from being unchecked then
        make the line edit item editable
        :param checked: True if the rename toggle is now pressed
        """
        if checked:
            self.toggle_plot_name_editable(True, toggle_rename_button=False)

    def toggle_plot_name_editable(self, editable, toggle_rename_button=True):
        """
        Set the line edit item to be editable or not editable. If
        editable move the cursor focus to the editable name and
        highlight it all.
        :param editable: If true make the plot name editable, else
                         make it read only
        :param toggle_rename_button: If true also toggle the rename
                                     button state
        """
        self.line_edit.setReadOnly(not editable)
        self.line_edit.setAttribute(Qt.WA_TransparentForMouseEvents, not editable)

        # This is a sneaky way to avoid the issue of two calls to
        # this toggle method, by effectively disabling the button
        # press in edit mode.
        self.rename_button.setAttribute(Qt.WA_TransparentForMouseEvents, editable)

        if toggle_rename_button:
            self.rename_button.setChecked(editable)

        if editable:
            self.line_edit.setFocus()
            self.line_edit.selectAll()
        else:
            self.line_edit.setSelection(0, 0)

    def toggle_visibility(self):
        """
        Calls the presenter to hide the selected plot
        """
        self.presenter.toggle_plot_visibility(self.plot_number)

    def set_visibility_icon(self, is_shown):
        """
        Change the widget icon between shown and hidden
        :param is_shown: True if plot is shown, false if hidden
        """
        if is_shown:
            self.hide_button.setIcon(get_icon('mdi.eye'))
            self.hide_button.setToolTip('Hide')
        else:
            self.hide_button.setIcon(get_icon('mdi.eye', 'lightgrey'))
            self.hide_button.setToolTip('Show')

    def rename_plot(self):
        """
        Called when the editing is finished, gets the presenter to
        do the real renaming of the plot
        """
        self.presenter.rename_figure(self.plot_number, self.line_edit.text())
        self.toggle_plot_name_editable(False)