Python Palette.set_invoker方法代码示例

# 需要导入模块: from sugar3.graphics.palette import Palette [as 别名]
# 或者: from sugar3.graphics.palette.Palette import set_invoker [as 别名]
class FontComboBox(Gtk.ToolItem):

    __gsignals__ = {
        'changed': (GObject.SignalFlags.RUN_LAST, None, ([])), }

    def __init__(self):
        self._palette_invoker = ToolInvoker()
        Gtk.ToolItem.__init__(self)
        self._font_label = FontLabel()
        bt = Gtk.Button('')
        bt.set_can_focus(False)
        bt.remove(bt.get_children()[0])
        box = Gtk.HBox()
        bt.add(box)
        icon = Icon(icon_name='font-text')
        box.pack_start(icon, False, False, 10)
        box.pack_start(self._font_label, False, False, 10)
        self.add(bt)
        self.show_all()

        self._font_name = 'Sans'

        # theme the button, can be removed if add the style to the sugar css
        if style.zoom(100) == 100:
            subcell_size = 15
        else:
            subcell_size = 11
        radius = 2 * subcell_size
        theme = "GtkButton {border-radius: %dpx;}" % radius
        css_provider = Gtk.CssProvider()
        css_provider.load_from_data(theme)
        style_context = bt.get_style_context()
        style_context.add_provider(css_provider,
                                   Gtk.STYLE_PROVIDER_PRIORITY_USER)

        # init palette
        self._hide_tooltip_on_click = True
        self._palette_invoker.attach_tool(self)
        self._palette_invoker.props.toggle_palette = True

        self.palette = Palette(_('Select font'))
        self.palette.set_invoker(self._palette_invoker)

        # load the fonts in the palette menu
        self._menu_box = PaletteMenuBox()
        self.props.palette.set_content(self._menu_box)
        self._menu_box.show()

        context = self.get_pango_context()

        self._init_font_list()

        tmp_list = []
        for family in context.list_families():
            name = family.get_name()
            if name in self._font_white_list:
                tmp_list.append(name)
        for name in sorted(tmp_list):
            self._add_menu(name, self.__font_selected_cb)

        self._font_label.set_font(self._font_name)

    def _init_font_list(self):
        self._font_white_list = []
        self._font_white_list.extend(DEFAULT_FONTS)

        # check if there are a user configuration file
        if not os.path.exists(USER_FONTS_FILE_PATH):
            # verify if exists a file in /etc
            if os.path.exists(GLOBAL_FONTS_FILE_PATH):
                shutil.copy(GLOBAL_FONTS_FILE_PATH, USER_FONTS_FILE_PATH)

        if os.path.exists(USER_FONTS_FILE_PATH):
            # get the font names in the file to the white list
            fonts_file = open(USER_FONTS_FILE_PATH)
            # get the font names in the file to the white list
            for line in fonts_file:
                self._font_white_list.append(line.strip())
            # monitor changes in the file
            gio_fonts_file = Gio.File.new_for_path(USER_FONTS_FILE_PATH)
            self.monitor = gio_fonts_file.monitor_file(
                Gio.FileMonitorFlags.NONE, None)
            self.monitor.set_rate_limit(5000)
            self.monitor.connect('changed', self._reload_fonts)

    def _reload_fonts(self, monitor, gio_file, other_file, event):
        if event != Gio.FileMonitorEvent.CHANGES_DONE_HINT:
            return
        self._font_white_list = []
        self._font_white_list.extend(DEFAULT_FONTS)
        fonts_file = open(USER_FONTS_FILE_PATH)
        for line in fonts_file:
            self._font_white_list.append(line.strip())
        # update the menu
        for child in self._menu_box.get_children():
            self._menu_box.remove(child)
            child = None
        context = self.get_pango_context()
        tmp_list = []
        for family in context.list_families():
#.........这里部分代码省略.........

# 需要导入模块: from sugar3.graphics.palette import Palette [as 别名]
# 或者: from sugar3.graphics.palette.Palette import set_invoker [as 别名]
class FilterToolItem(Gtk.ToolButton):
    __gsignals__ = {
        'changed': (GObject.SignalFlags.RUN_LAST, None, ([])), }

    def __init__(self, tagline, default_icon, default_label, palette_content):
        self._palette_invoker = ToolInvoker()
        Gtk.ToolButton.__init__(self)
        self._label = default_label

        self.set_is_important(False)
        self.set_size_request(style.GRID_CELL_SIZE, -1)

        self._label_widget = Gtk.Label()
        self._label_widget.set_alignment(0.0, 0.5)
        self._label_widget.set_ellipsize(Pango.EllipsizeMode.MIDDLE)
        self._label_widget.set_max_width_chars(10)
        self._label_widget.set_use_markup(True)
        self._label_widget.set_markup(default_label)
        self.set_label_widget(self._label_widget)
        self._label_widget.show()

        self.set_widget_icon(icon_name=default_icon)

        self._hide_tooltip_on_click = True
        self._palette_invoker.attach_tool(self)
        self._palette_invoker.props.toggle_palette = True
        self._palette_invoker.props.lock_palette = True

        self.palette = Palette(tagline)
        self.palette.set_invoker(self._palette_invoker)

        self.props.palette.set_content(palette_content)

    def set_widget_icon(self, icon_name=None, file_name=None):
        if file_name is not None:
            icon = Icon(file=file_name,
                        pixel_size=style.SMALL_ICON_SIZE,
                        xo_color=XoColor('white'))
        else:
            icon = Icon(icon_name=icon_name,
                        pixel_size=style.SMALL_ICON_SIZE,
                        xo_color=XoColor('white'))
        self.set_icon_widget(icon)
        icon.show()

    def set_widget_label(self, label=None):
        # FIXME: Ellipsis is not working on these labels.
        if label is None:
            label = self._label
        """
        if len(label) > 10:
            label = label[0:7] + '...' + label[-7:]
        """
        self._label_widget.set_markup(label)
        self._label = label

    def __destroy_cb(self, icon):
        if self._palette_invoker is not None:
            self._palette_invoker.detach()

    def create_palette(self):
        return None

    def get_palette(self):
        return self._palette_invoker.palette

    def set_palette(self, palette):
        self._palette_invoker.palette = palette

    palette = GObject.Property(
        type=object, setter=set_palette, getter=get_palette)

    def get_palette_invoker(self):
        return self._palette_invoker

    def set_palette_invoker(self, palette_invoker):
        self._palette_invoker.detach()
        self._palette_invoker = palette_invoker

    palette_invoker = GObject.Property(
        type=object, setter=set_palette_invoker, getter=get_palette_invoker)

    def do_draw(self, cr):
        if self.palette and self.palette.is_up():
            allocation = self.get_allocation()
            # draw a black background, has been done by the engine before
            cr.set_source_rgb(0, 0, 0)
            cr.rectangle(0, 0, allocation.width, allocation.height)
            cr.paint()

        Gtk.ToolButton.do_draw(self, cr)

        if self.palette and self.palette.is_up():
            invoker = self.palette.props.invoker
            invoker.draw_rectangle(cr, self.palette)

        return False

# 需要导入模块: from sugar3.graphics.palette import Palette [as 别名]
# 或者: from sugar3.graphics.palette.Palette import set_invoker [as 别名]
class FilterToolItem(Gtk.ToolButton):

    _LABEL_MAX_WIDTH = 18
    _MAXIMUM_PALETTE_COLUMNS = 4

    __gsignals__ = {
        'changed': (GObject.SignalFlags.RUN_LAST, None, ([str])), }

    def __init__(self, default_icon, default_value, options):
        self._palette_invoker = ToolInvoker()
        self._options = options
        Gtk.ToolButton.__init__(self)
        logging.debug('filter options %s', options)
        self._value = default_value
        self._label = self._options[default_value]
        self.set_is_important(True)
        self.set_size_request(style.GRID_CELL_SIZE, -1)

        self._label_widget = Gtk.Label()
        self._label_widget.set_alignment(0.0, 0.5)
        self._label_widget.set_ellipsize(Pango.EllipsizeMode.MIDDLE)
        self._label_widget.set_max_width_chars(self._LABEL_MAX_WIDTH)
        self._label_widget.set_use_markup(True)
        self._label_widget.set_markup(self._label)
        self.set_label_widget(self._label_widget)
        self._label_widget.show()

        self.set_widget_icon(icon_name=default_icon)

        self._hide_tooltip_on_click = True
        self._palette_invoker.attach_tool(self)
        self._palette_invoker.props.toggle_palette = True
        self._palette_invoker.props.lock_palette = True

        self.palette = Palette(_('Select language'))
        self.palette.set_invoker(self._palette_invoker)

        self.props.palette.set_content(self.set_palette_list(options))

    def set_options(self, options):
        self._options = options
        self.palette = Palette(_('Select language'))
        self.palette.set_invoker(self._palette_invoker)
        self.props.palette.set_content(self.set_palette_list(options))
        if self._value not in self._options.keys():
            new_value = self._options.keys()[0]
            self._value = new_value
            self._set_widget_label(self._options[new_value])
            self.emit('changed', new_value)

    def set_widget_icon(self, icon_name=None):
        icon = Icon(icon_name=icon_name,
                    pixel_size=style.SMALL_ICON_SIZE)
        self.set_icon_widget(icon)
        icon.show()

    def _set_widget_label(self, label=None):
        # FIXME: Ellipsis is not working on these labels.
        if label is None:
            label = self._label
        if len(label) > self._LABEL_MAX_WIDTH:
            label = label[0:7] + '...' + label[-7:]
        self._label_widget.set_markup(label)
        self._label = label

    def __destroy_cb(self, icon):
        if self._palette_invoker is not None:
            self._palette_invoker.detach()

    def create_palette(self):
        return None

    def get_palette(self):
        return self._palette_invoker.palette

    def set_palette(self, palette):
        self._palette_invoker.palette = palette

    palette = GObject.property(
        type=object, setter=set_palette, getter=get_palette)

    def get_palette_invoker(self):
        return self._palette_invoker

    def set_palette_invoker(self, palette_invoker):
        self._palette_invoker.detach()
        self._palette_invoker = palette_invoker

    palette_invoker = GObject.property(
        type=object, setter=set_palette_invoker, getter=get_palette_invoker)

    def do_draw(self, cr):
        if self.palette and self.palette.is_up():
            allocation = self.get_allocation()
            # draw a black background, has been done by the engine before
            cr.set_source_rgb(0, 0, 0)
            cr.rectangle(0, 0, allocation.width, allocation.height)
            cr.paint()

        Gtk.ToolButton.do_draw(self, cr)
#.........这里部分代码省略.........

# 需要导入模块: from sugar3.graphics.palette import Palette [as 别名]
# 或者: from sugar3.graphics.palette.Palette import set_invoker [as 别名]
class PaletteBox(Gtk.ToolItem):

    __gsignals__ = {
        'changed': (GObject.SignalFlags.RUN_LAST, None, ([])), }

    def __init__(self, default, options):
        self._palette_invoker = ToolInvoker()
        Gtk.ToolItem.__init__(self)
        self._label = Gtk.Label()
        bt = Gtk.Button('')
        bt.set_can_focus(False)
        bt.remove(bt.get_children()[0])
        self._box = Gtk.HBox()
        bt.add(self._box)
        self._icon = Icon(icon_name='')
        self._box.pack_start(self._icon, False, False, 5)
        self._box.pack_end(self._label, False, False, 5)
        self.add(bt)
        self.show_all()

        # theme the button, can be removed if add the style to the sugar css
        if style.zoom(100) == 100:
            subcell_size = 15
        else:
            subcell_size = 11
        radius = 2 * subcell_size
        theme = "GtkButton {border-radius: %dpx;}" % radius
        css_provider = Gtk.CssProvider()
        css_provider.load_from_data(theme)
        style_context = bt.get_style_context()
        style_context.add_provider(css_provider,
                                   Gtk.STYLE_PROVIDER_PRIORITY_USER)

        # init palette
        self._hide_tooltip_on_click = True
        self._palette_invoker.attach_tool(self)
        self._palette_invoker.props.toggle_palette = True

        self.palette = Palette(_('Select option'))
        self.palette.set_invoker(self._palette_invoker)

        # load the fonts in the palette menu
        self._menu_box = PaletteMenuBox()
        self.props.palette.set_content(self._menu_box)
        self._menu_box.show()

        for option in options:
            if option.__class__ is str:
                self._add_menu(option, activate_cb=self.__option_selected_cb)
            else:
                self._add_menu(option[0], icon=option[1],
                               activate_cb=self.__option_selected_cb)

        self.set_value(default)

    def _set_icon(self, icon_name):
        self._box.remove(self._box.get_children()[0])
        self._icon = Icon(icon_name=icon_name,
                          pixel_size=style.STANDARD_ICON_SIZE)
        self._icon.show()
        self._box.pack_start(self._icon, False, False, 5)

    def __option_selected_cb(self, menu, option):
        self.set_value(option)
        self.emit('changed')

    def _add_menu(self, option, icon=None, activate_cb=None):
        if icon is not None:
            menu_item = PaletteMenuItem(icon_name=icon)
            if activate_cb is not None:
                menu_item.connect('activate', activate_cb, [option, icon])
        else:
            menu_item = PaletteMenuItem()
            if activate_cb is not None:
                menu_item.connect('activate', activate_cb, option)
        menu_item.set_label(option)
        self._menu_box.append_item(menu_item)
        menu_item.show()

    def __destroy_cb(self, icon):
        if self._palette_invoker is not None:
            self._palette_invoker.detach()

    def create_palette(self):
        return None

    def get_palette(self):
        return self._palette_invoker.palette

    def set_palette(self, palette):
        self._palette_invoker.palette = palette

    palette = GObject.property(
        type=object, setter=set_palette, getter=get_palette)

    def get_palette_invoker(self):
        return self._palette_invoker

    def set_palette_invoker(self, palette_invoker):
        self._palette_invoker.detach()
#.........这里部分代码省略.........