def on_expose_event(self, widget, event):    
     cr = widget.window.cairo_create()
     rect = widget.allocation
     failed_pixbuf = self.failed_dpixbuf.get_pixbuf()
     draw_alpha_mask(cr, rect.x, rect.y, rect.width, rect.height, "layoutLeft")
     pixbuf_offset_x = (rect.width - failed_pixbuf.get_width()) / 2 
     pixbuf_offset_y = (rect.height - failed_pixbuf.get_height()) / 2 - 50
     icon_x = rect.x + pixbuf_offset_x
     icon_y = rect.y + pixbuf_offset_y
     draw_pixbuf(cr, failed_pixbuf, icon_x, icon_y)
     
     text_y = icon_y + failed_pixbuf.get_height() + self.text_padding_y
     text_x = icon_x + self.text_padding_x
     
     _width, _height = get_content_size(self.prompt_text)
     
     self.text_rect = gtk.gdk.Rectangle(text_x - rect.x, text_y - rect.y,
                                        rect.x + rect.width -  text_x - pixbuf_offset_x,
                                        _height)
     
     if self.is_hover:        
         text_color = self.hover_text_dcolor.get_color()
     else:    
         text_color = self.normal_text_dcolor.get_color()
         
     draw_text(cr, self.prompt_text, text_x, text_y, self.text_rect.width, _height,
               text_color=text_color, 
               underline=True, 
               alignment=pango.ALIGN_CENTER)
     return True

 def on_expose_event(self, widget, event):    
     cr = widget.window.cairo_create()
     rect = widget.allocation
     draw_alpha_mask(cr, rect.x, rect.y, rect.width - 1, rect.height ,"layoutRight")
     
     draw_line(cr, (rect.x + 1, rect.y), 
               (rect.x + 1, rect.y + rect.height), "#b0b0b0")
     return False

    def draw_mask(self, widget, event):    
        cr = widget.window.cairo_create()
        rect = widget.allocation
        start_x = rect.x + 2
        start_y = rect.y + 8

        for size, color_info in self.rect_left_list:
            draw_alpha_mask(cr, start_x, start_y, size, rect.height - 8, color_info)
            start_x += size
        if self.draw_right_mask_flag:    
            draw_alpha_mask(cr, start_x, start_y, 140, rect.height - 8, "layoutRight")
            start_x += 140
            last_width = rect.width - (start_x - rect.x)    
            draw_alpha_mask(cr, start_x, start_y, last_width - 2, rect.height - 8, "layoutLast")
        return False

 def draw_category_list_mask(self, cr, x, y, width, height):
     draw_alpha_mask(cr, x, y, width, height, "layoutLeft")

 def expose_entry_mask(self, widget, event):
     cr = widget.window.cairo_create()
     rect = widget.allocation
     draw_alpha_mask(cr, rect.x , rect.y, rect.width, rect.height, "toolbarEntry")

 def draw_mask(self, cr, x, y, w, h):    
     draw_alpha_mask(cr, x, y, w, h ,"layoutRight")
     return False

 def on_loginbox_expose(self, widget, event):
     cr = widget.window.cairo_create()
     rect = widget.allocation
     draw_alpha_mask(cr, rect.x, rect.y,
             rect.width, rect.height, "layoutMiddle")

 def draw_treeview_mask(self, cr, x, y, width, height):
     draw_alpha_mask(cr, x, y, width, height, ("#FFFFFF", 0.9))

 def on_webcastbar_draw_mask(self, cr, x, y, w, h):    
     draw_alpha_mask(cr, x, y, w, h ,"layoutRight")

 def draw_filter_view_mask(self, cr, x, y, width, height):
     draw_alpha_mask(cr, x, y, width, height, "layoutLast")

 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 plugins_view_draw_mask(self, cr, x, y, width, height):
     draw_alpha_mask(cr, x, y, width, height, "layoutLeft")

 def draw_bg_mask(self, widget, event):    
     cr = widget.window.cairo_create()
     rect = widget.allocation
     draw_alpha_mask(cr, rect.x, rect.y, rect.width, rect.height, "frameLight")

 def on_radiobar_draw_mask(self, cr, x, y, w, h):    
     draw_alpha_mask(cr, x, y, w, h ,"layoutRight")

 def draw_view_mask(self, cr, x, y, width, height):
     draw_alpha_mask(cr, x, y, width, height, "layoutMiddle")

 def on_iconview_draw_mask(self, cr, x, y, width, height):
     draw_alpha_mask(cr, x, y, width, height, "layoutLast")

 def expose_toolbar_mask(self, widget, event):    
     cr = widget.window.cairo_create()
     rect = widget.allocation
     draw_alpha_mask(cr, rect.x - 9, rect.y, rect.width + 18, rect.height, "lyricsMask")
     return False

    def on_sourcebar_draw_mask(self, cr, x, y, w, h):    
        draw_alpha_mask(cr, x, y, w, h ,"layoutRight")

        return False