icons_select.py 文件源码

def _build_content(self):
        """"Setup window content widges."""
        container = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)

        # Search bar
        self._search_bar = Gtk.SearchBar()
        self._search_bar.set_show_close_button(True)

        self._search_btn.bind_property("active",
                                       self._search_bar,
                                       "search-mode-enabled",
                                       1)

        self._search_entry = Gtk.SearchEntry()
        self._search_entry.set_width_chars(60)
        self._search_entry.connect("search-changed", self._on_search)
        self._search_bar.add(self._search_entry)
        self._search_bar.connect_entry(self._search_entry)

        container.pack_start(self._search_bar, False, False, 0)

        # Preview image
        self._preview = Image()
        self._default_icon = get_default_icon(self._folders[0])
        self._preview.set_icon(self._default_icon)

        scrolled = Gtk.ScrolledWindow()
        scrolled.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)

        self._flowbox.connect("child-activated", self._do_select)
        self._flowbox.connect("selected-children-changed",
                              self._on_update_preview)
        self._flowbox.set_valign(Gtk.Align.START)
        self._flowbox.set_row_spacing(0)
        self._flowbox.set_activate_on_single_click(False)
        self._flowbox.set_min_children_per_line(4)
        self._flowbox.set_max_children_per_line(12)
        self._flowbox.set_selection_mode(Gtk.SelectionMode.SINGLE)

        scrolled.add(self._flowbox)

        container.pack_start(self._preview, False, False, 0)
        container.pack_start(scrolled, True, True, 0)

        self.add(container)