Python gi.repository.Gtk 模块，FileChooserButton() 实例源码

def insert_image(self, widget):
        self.insert_window_image = Gtk.Window()
        self.insert_window_image.set_title("Insert Image")
        self.insert_window_image.set_resizable(True)
        self.insert_window_image.set_border_width(6)
        self.insert_window_image.set_default_size(300, 250)
        self.insert_window_image.set_position(Gtk.WindowPosition.CENTER)
        vbox = Gtk.VBox()
        label_alt_text = Gtk.Label("Alt Text:")
        self.entry_alt_text_i = Gtk.Entry()
        label_title = Gtk.Label("Title:")
        self.entry_title_i = Gtk.Entry()
        label_url = Gtk.Label("Path/Url:")
        self.entry_url_i = Gtk.Entry()
        vbox.pack_start(label_alt_text, self, False, False)
        vbox.pack_start(self.entry_alt_text_i, self, False, False)
        vbox.pack_start(label_title, self, False, False)
        vbox.pack_start(self.entry_title_i, self, False, False)
        vbox.pack_start(label_url, self, False, False)
        self.hbox_url = Gtk.HBox()
        self.hbox_url.pack_start(self.entry_url_i, self, True, False)
        self.path_file_button = Gtk.FileChooserButton(title= "Select an image")
        self.path_file_button.connect("file-set", self.file_chooser_button_clicked)
        self.hbox_url.pack_start(self.path_file_button, self, False, False)
        vbox.pack_start(self.hbox_url, self, False, False)
        button = Gtk.Button("Insert Image")
        vbox.pack_end(button, self, False, False)
        self.insert_window_image.add(vbox)
        self.insert_window_image.show_all()
        button.connect("clicked", self.insert_image_cmd, self.insert_window_image)

def __init__(self, main_view: 'MainView', core: ApartCore, z_options: List[str]):
        Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL, expand=True, halign=Gtk.Align.CENTER)
        self.main_view = main_view
        self.core = core
        self.z_options = z_options

        self.title = Gtk.Label('', xalign=0.5)
        self.title.get_style_context().add_class('dim-label')

        self.image_label = Gtk.Label("Image File", xalign=1.0)
        self.image_label.get_style_context().add_class('dim-label')
        self.image_entry = Gtk.FileChooserButton(title='Select Image File')
        image_file_filter = Gtk.FileFilter()
        image_file_filter.set_name('Apart Image files')
        for z_option in z_options:
            image_file_filter.add_pattern('*.apt.*.{}'.format(z_option))
            if z_option == 'zst':  # also support .zstd from v0.14
                image_file_filter.add_pattern('*.apt.*.zstd')
        self.image_entry.add_filter(image_file_filter)
        self.image_entry.connect('selection-changed', lambda v: self.on_image_select())

        self.options = Gtk.Grid(row_spacing=6)
        self.options.get_style_context().add_class('new-clone-options')
        self.options.attach(self.title, left=0, top=0, width=2, height=1)
        self.options.attach(self.image_label, left=0, top=1, width=1, height=1)
        self.options.attach(self.image_entry, left=1, top=1, width=1, height=1)

        self.cancel_btn = Gtk.Button('Cancel')
        self.cancel_btn.connect('clicked', lambda v: self.main_view.show_progress())
        self.start_btn = Gtk.Button('Restore Partition')
        self.start_btn.set_sensitive(False)
        self.start_btn.connect('clicked', lambda v: self.user_confirm())

        self.buttons = Gtk.Box(halign=Gtk.Align.END)
        self.buttons.get_style_context().add_class('new-clone-buttons')
        self.buttons.add(self.cancel_btn)
        self.buttons.add(self.start_btn)

        self.add(self.options)
        self.options.attach_next_to(self.buttons, sibling=self.image_label,
                                    side=Gtk.PositionType.BOTTOM, width=2, height=1)
        self.last_part_info = None

def _build_newfile_vbox(self):
            """
            """
            self.folder_chooser_button = Gtk.FileChooserButton(
                action=Gtk.FileChooserAction.SELECT_FOLDER)
            self.folder_chooser_button.set_title("Select a folder")
            self.folder_chooser_button.connect("file-set", self.on_folder_selected)
            self.folder_chooser_button.set_margin_top(6)

            name_label = Gtk.Label("Name ")
            self.name_entry = Gtk.Entry()
            self.name_entry.set_width_chars(25)
            self.name_entry.set_input_purpose(Gtk.InputPurpose.ALPHA)
            self.name_entry.set_placeholder_text("Type a filename")
            self.name_entry.connect("changed", self.on_entry_change)
            name_hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
            _pack_widgets(name_hbox, name_label, self.name_entry)

            self.automatic_naming_checkbutton = Gtk.CheckButton()
            self.automatic_naming_checkbutton.set_active(True)
            self.automatic_naming_checkbutton.set_sensitive(False)  # DEV
            automatic_naming_label = Gtk.Label("Make Unique filename")
            automatic_naming_hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
            _pack_widgets(automatic_naming_hbox,
                          self.automatic_naming_checkbutton,
                          automatic_naming_label)

            radiobutton_hbox = self._build_format_group()

            self.store_confirm_button = self._build_confirm_changes_button(
                callback=self.on_confirm_clicked)
            # Label only used at initialization
            self.store_confirm_button.set_label("Create")

            vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
            _pack_widgets(vbox,
                          self.folder_chooser_button,
                          name_hbox,
                          automatic_naming_hbox,
                          radiobutton_hbox,
                          self._audiovideo_format_hbox,
                          self.store_confirm_button)
            return vbox

def _build_settings_vbox(self):
        title = Gtk.Label("Settings")
        title.set_margin_bottom(6)

        self.text_overlay_entry = Gtk.Entry()
        self.text_overlay_entry.set_placeholder_text("Text displayed on screen")
        self.text_overlay_entry.set_width_chars(30)
        self.text_overlay_entry.connect("changed", self.on_text_change)
        self.text_overlay_entry.set_sensitive(True)  # DEV

        self.text_position_combobox = Gtk.ComboBoxText()
        for position in self.positions:
            self.text_position_combobox.append_text(position)
        self.text_position_combobox.set_active(0)
        self.text_position_combobox.set_margin_left(24)
        self.text_position_combobox.set_sensitive(False)  # DEV

        self.hide_text_checkbutton = Gtk.CheckButton("Hide Text")
        self.hide_text_checkbutton.connect("toggled", self.on_hide_text_toggle)

        self.image_chooser_button = Gtk.FileChooserButton()
        self.image_chooser_button.set_title("Select an image to display")
        self.image_chooser_button.connect("file-set", self.on_image_selected)
        self.image_chooser_button.set_sensitive(True)  # DEV

        self.image_position_combobox = Gtk.ComboBoxText()
        for position in self.positions:
            self.image_position_combobox.append_text(position)
        self.image_position_combobox.set_active(1)
        self.image_position_combobox.set_margin_left(24)
        self.image_position_combobox.set_sensitive(False)  # DEV

        self.hide_image_checkbutton = Gtk.CheckButton("Hide Image")
        self.hide_image_checkbutton.connect(
            "toggled", self.on_hide_image_toggle)

        self.settings_confirm_button = self._build_confirm_changes_button(
                callback=self.on_confirm_clicked)
        self.settings_confirm_button.set_label("Confirm")
        self.settings_confirm_button.set_size_request(250, 20)

        separator = Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL)
        separator.set_margin_top(6)

        vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
        vbox.set_margin_right(6)
        _pack_widgets(vbox,
                      title,
                      self.text_overlay_entry,
                      self.text_position_combobox,
                      self.hide_text_checkbutton,
                      self.image_chooser_button,
                      self.image_position_combobox,
                      self.hide_image_checkbutton,
                      self.settings_confirm_button,
                      separator)
        self._make_scrolled_window(vbox)
        return vbox