Python-With-Gtk-Template/plugins/code/tabs_bar/tab_widget.py

# Python imports

# Lib imports
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk

# Application imports



class TabWidget(Gtk.Box):
    """docstring for TabWidget"""

    def __init__(self):
        super(TabWidget, self).__init__()

        self.file            = None

        self._handler_id     = None
        self._eve_handler_id = None

        self._setup_styling()
        self._setup_signals()
        self._load_widgets()


    def _setup_styling(self):
        ctx = self.get_style_context()
        ctx.add_class("tab-widget")

        self.set_orientation(0)
        self.set_hexpand(False)
        self.set_vexpand(False)
        self.set_size_request(-1, 12)

    def _setup_signals(self):
        ...

    def _load_widgets(self):
        self.event_box  = Gtk.EventBox()
        self.label      = Gtk.Label()
        self.close_bttn = Gtk.Button()
        icon            = Gtk.Image(stock = Gtk.STOCK_CLOSE)

        self.event_box.set_above_child(True)
        ctx = self.label.get_style_context()
        ctx.add_class("tab-label")
        ctx = self.close_bttn.get_style_context()
        ctx.add_class("tab-close-bttn")

        self.label.set_xalign(0.0)
        self.label.set_margin_left(25)
        self.label.set_margin_right(25)
        self.label.set_hexpand(True)

        self.close_bttn.add(icon)
        self.event_box.add(self.label)
        self.add(self.event_box)
        self.add(self.close_bttn)

        self.show_all()

    def clear_signals_and_data(self):
        self.close_bttn.disconnect(self._handler_id)
        self.event_box.disconnect(self._eve_handler_id)
        self._handler_id = None

        for child in self.get_children():
            child.unparent()
            child.run_dispose()
            child.destroy()

    def set_close_signal(self, callback):
        self._handler_id = self.close_bttn.connect(
            'clicked',
            callback,
            self.file
        )