Python IconView.clear方法代码示例

# 需要导入模块: from dtk.ui.iconview import IconView [as 别名]
# 或者: from dtk.ui.iconview.IconView import clear [as 别名]
class DeviceIconView(ScrolledWindow):
    def __init__(self, items=None):
        ScrolledWindow.__init__(self, 0, 0)

        self.device_iconview = IconView()
        self.device_iconview.connect("right-click-item", self.__on_right_click_item)
        self.device_iconview.draw_mask = self.draw_mask

        if items:
            self.device_iconview.add_items(items)

        self.device_scrolledwindow = ScrolledWindow()
        self.device_scrolledwindow.add_child(self.device_iconview)

        self.add_child(self.device_scrolledwindow)

        event_manager.add_callback("text", self.__on_text)
        event_manager.add_callback("hide-text", self.__on_hide_text)
        
    def __on_text(self, name, obj, argv):
        disable(self, False)
        text(self, argv)

    def __on_hide_text(self, name, obj, argv):
        disable(self, True)

    def __do_remove_item(self, item):
        item.do_remove()
        self.device_iconview.delete_items([item])

    def __on_right_click_item(self, widget, item, x, y):
        menu_items = [(None, _("Pair"), lambda : item.do_pair())]
        if item.is_paired:
            menu_items = []
            menu_items.extend(item.menu_items)
            menu_items.append(None)
            menu_items.append((None, _("Remove Device"), lambda : self.__do_remove_item(item)))

        Menu(menu_items, True).show((int(x), int(y)))
        
    def clear(self):
        self.device_iconview.clear()

    def draw_mask(self, cr, x, y, w, h):
        cr.set_source_rgb(*color_hex_to_cairo("#FFFFFF"))
        cr.rectangle(x, y, w, h)
        cr.fill()

        cr.set_source_rgb(*color_hex_to_cairo("#AEAEAE"))
        cr.rectangle(x, y, w, h)
        cr.stroke()

    def add_items(self, items, clear=False):
        if clear:
            self.device_iconview.clear()

        self.device_iconview.add_items(items)

# 需要导入模块: from dtk.ui.iconview import IconView [as 别名]
# 或者: from dtk.ui.iconview.IconView import clear [as 别名]

#.........这里部分代码省略.........
    
    def expose_left_box_mask(self, widget, event):
        cr = widget.window.cairo_create()
        rect = widget.allocation
        draw_alpha_mask(cr, rect.x, rect.y, rect.width, rect.height, "layoutRight")
        return False
    
    def expose_upper_box_mask(self, widget, event):
        cr = widget.window.cairo_create()
        rect = widget.allocation
        draw_alpha_mask(cr, rect.x, rect.y, rect.width - 2, rect.height, "layoutLast")
        return False
    
    def draw_filter_view_mask(self, cr, x, y, width, height):
        draw_alpha_mask(cr, x, y, width, height, "layoutLast")
    
    def create_separator_box(self, padding_x=0, padding_y=0):
        separator_box = HSeparator(
            app_theme.get_shadow_color("hSeparator").get_color_info(),
            padding_x, padding_y)
        return separator_box
    
    def __switch_to_filter_view(self, widget):
        self.back_button.set_no_show_all(True)
        self.back_button.hide()
        self.switch_box(self.right_box, self.filter_scrolled_window)
        self.view_mode = ICON_VIEW_MODE
        
    def reload_filter_view(self, tag="artist", switch=False, use_path=False):    
        self.entry_box.entry.set_text("")
        self.back_button.set_no_show_all(True)
        self.back_button.hide()
        self.categorybar_status = tag
        self.filter_view.clear()
            
        if not use_path:    
            self.path_categorybar.set_index(-1)    
        
        _dict = self.get_infos_from_db(tag)
        keys = _dict.keys()
        keys.sort()
        items = []
        all_nb = len(self.__db_query.get_all_songs())
        items.append(IconItem(("deepin-all-songs", "deepin-all-songs", all_nb, tag)))

        for key in keys:
            value, nb = _dict[key] 
            items.append(IconItem((key, value, nb, tag)))
        self.filter_view.add_items(items)    
        
        if switch:
            self.switch_box(self.right_box, self.filter_scrolled_window)
            self.view_mode = ICON_VIEW_MODE
            if not use_path:
                self.change_combo_box_status(True)
            
    def get_infos_from_db(self, tag, values=None):
        genres = []
        artists = []
        extened = False
        return self.__db_query.get_info(tag, genres, artists, values, extened)
    
    def get_attr_infos_from_db(self, info_type="###ALL###", song_dir=None):
        return self.__db_query.get_attr_infos(info_type, song_dir)
    
    def change_combo_box_status(self, hide=False):