Python ui_theme.get_pixbuf函数代码示例

    def __init__(self, 
                 width=180, 
                 height=180):
        '''
        Initialize DateTime class.
        
        @param width: Width of widget, default is 180 pixels.
        @param height: Height of widget, default is 180 pixels.
        '''
        gtk.VBox.__init__(self)
        
        self.hour_value = time.localtime().tm_hour                               
        self.minute_value = time.localtime().tm_min                              
        self.second_value = time.localtime().tm_sec

        self.width = width
        self.height = height
        self.set_size_request(self.width, self.height)

        self.clockface = ui_theme.get_pixbuf("datetime/clockface.png")
        self.clockface_width = self.clockface.get_pixbuf().get_width()
        self.clockface_height = self.clockface.get_pixbuf().get_height()
        self.hourhand = ui_theme.get_pixbuf("datetime/hourhand.png")
        self.hourhand_width = self.hourhand.get_pixbuf().get_width()
        self.hourhand_height = self.hourhand.get_pixbuf().get_height()
        self.minhand = ui_theme.get_pixbuf("datetime/minhand.png")
        self.minhand_width = self.minhand.get_pixbuf().get_width()
        self.minhand_height = self.minhand.get_pixbuf().get_height()
        self.sechand = ui_theme.get_pixbuf("datetime/sechand.png")
        self.sechand_width = self.sechand.get_pixbuf().get_width()
        self.sechand_height = self.sechand.get_pixbuf().get_height()

        self.connect("expose-event", self.__expose)

        SecondThread(self).start()

 def expose_button(self, widget, event):
     '''Expose button.'''
     # Init.
     cr = widget.window.cairo_create()
     rect = widget.allocation
     x, y, w, h = rect.x, rect.y, rect.width, rect.height
     
     # Get color info.
     if widget.state == gtk.STATE_NORMAL:
         text_color = ui_theme.get_color("button_font").get_color()
         border_color = ui_theme.get_color("button_border_normal").get_color()
         background_color = ui_theme.get_shadow_color("button_background_normal").get_color_info()
     elif widget.state == gtk.STATE_PRELIGHT:
         text_color = ui_theme.get_color("button_font").get_color()
         border_color = ui_theme.get_color("button_border_prelight").get_color()
         background_color = ui_theme.get_shadow_color("button_background_prelight").get_color_info()
     elif widget.state == gtk.STATE_ACTIVE:
         text_color = ui_theme.get_color("button_font").get_color()
         border_color = ui_theme.get_color("button_border_active").get_color()
         background_color = ui_theme.get_shadow_color("button_background_active").get_color_info()
     elif widget.state == gtk.STATE_INSENSITIVE:
         text_color = ui_theme.get_color("disable_text").get_color()
         border_color = ui_theme.get_color("disable_frame").get_color()
         disable_background_color = ui_theme.get_color("disable_background").get_color()
         background_color = [(0, (disable_background_color, 1.0)),
                             (1, (disable_background_color, 1.0))]
         
     # Draw background.
     draw_vlinear(
         cr,
         x + 1, y + 1, w - 2, h - 2,
         background_color)
     
     # Draw border.
     cr.set_source_rgb(*color_hex_to_cairo(border_color))
     draw_line(cr, x + 2, y + 1, x + w - 2, y + 1) # top
     draw_line(cr, x + 2, y + h, x + w - 2, y + h) # bottom
     draw_line(cr, x + 1, y + 2, x + 1, y + h - 2) # left
     draw_line(cr, x + w, y + 2, x + w, y + h - 2) # right
     
     # Draw four point.
     if widget.state == gtk.STATE_INSENSITIVE:
         top_left_point = ui_theme.get_pixbuf("button/disable_corner.png").get_pixbuf()
     else:
         top_left_point = ui_theme.get_pixbuf("button/corner.png").get_pixbuf()
     top_right_point = top_left_point.rotate_simple(270)
     bottom_right_point = top_left_point.rotate_simple(180)
     bottom_left_point = top_left_point.rotate_simple(90)
     
     draw_pixbuf(cr, top_left_point, x, y)
     draw_pixbuf(cr, top_right_point, x + w - top_left_point.get_width(), y)
     draw_pixbuf(cr, bottom_left_point, x, y + h - top_left_point.get_height())
     draw_pixbuf(cr, bottom_right_point, x + w - top_left_point.get_width(), y + h - top_left_point.get_height())
     
     # Draw font.
     draw_text(cr, self.label, x, y, w, h, self.font_size, text_color,
                 alignment=pango.ALIGN_CENTER)
     
     return True

 def __init__(self, width=20, height = 30,
              font_size = 10, font_x_padding=5, font_width=120, font_height = 0,
              font_align=pango.ALIGN_LEFT,
              arrow_x_padding = 10, 
              normal_pixbuf = ui_theme.get_pixbuf("treeview/arrow_right.png"), 
              press_pixbuf = ui_theme.get_pixbuf("treeview/arrow_down.png"),
              normal_hover_pixbuf = ui_theme.get_pixbuf("treeview/arrow_right_hover.png"), 
              press_hover_pixbuf = ui_theme.get_pixbuf("treeview/arrow_down_hover.png")):        
     gtk.DrawingArea.__init__(self)
     self.root = Tree()
     self.tree_list = []
     self.tree_all_node_list = [] # Save all node.
     
     self.tree_id_list = []        
     self.tree_id_num = 0
     self.scan_save_item = None
     
     self.set_can_focus(True)
     # Init DrawingArea event.
     self.add_events(gtk.gdk.ALL_EVENTS_MASK)
     self.connect("button-press-event", self.tree_view_press_event)
     self.connect("motion-notify-event", self.tree_view_motion_event)
     self.connect("expose-event", self.tree_view_expose_event)
     self.connect("key-press-event", self.tree_view_key_press_event)
     self.connect("leave-notify-event", self.tree_view_leave_notify_event)
     self.connect("realize", lambda w: self.grab_focus()) # focus key after realize
     
     self.width = width
     self.height = height
     # Draw icon.
     self.normal_pixbuf = normal_pixbuf
     self.press_pixbuf = press_pixbuf
     self.normal_hover_pixbuf = normal_hover_pixbuf
     self.press_hover_pixbuf = press_hover_pixbuf
     self.arrow_x_padding = arrow_x_padding
     # Draw move background. 
     self.move_height = -1
     self.move_draw_bool = False
     self.move_index_num = None
     # Draw press background.
     self.press_height = -1
     self.press_draw_bool = False
     # Draw font.
     self.font_x_padding = font_x_padding
     self.font_width = font_width
     self.font_height = font_height
     self.font_align = font_align
     self.font_size = font_size
     
     self.highlight_index = None
     
     if not self.font_size:
         self.font_size = self.height/2 - 4
         
     if self.font_size > self.height - 15:    
         self.font_size = self.height - 15

    def __init__(self,
                 items,
                 add_separator=False,
                 font_size=DEFAULT_FONT_SIZE,
                 padding_x=10,
                 padding_y=10,
                 vertical=True,
                 item_hover_pixbuf=ui_theme.get_pixbuf("navigatebar/nav_item_hover.png"),
                 item_press_pixbuf=ui_theme.get_pixbuf("navigatebar/nav_item_press.png"),
                 ):
        '''
        Initialize Navigatebar class.

        @param items: A list of navigate item, item format: (item_icon_dpixbuf, item_content, clicked_callback)
        @param add_separator: Whether add separator between navigatebar and body, default is False.
        @param font_size: Font size, default is DEFAULT_FONT_SIZE.
        @param padding_x: Padding value horizontal.
        @param padding_y: Padding value vertical.
        @param vertical: Draw direction, default is vertical.
        @param item_hover_pixbuf: Item hover dpixbuf.
        @param item_press_pixbuf: Item press dpixbuf.
        '''
        # Init event box.
        EventBox.__init__(self)
        self.nav_index = 0
        self.item_hover_pixbuf = item_hover_pixbuf
        self.item_press_pixbuf = item_press_pixbuf
        self.nav_items = []

        # Init nav box.
        self.nav_box = gtk.VBox()
        self.add(self.nav_box)

        # Init item box.
        self.nav_item_box = gtk.HBox()
        self.nav_box.pack_start(self.nav_item_box, False, False)

        # Add navigate item.
        if items:
            for (index, item) in enumerate(items):
                nav_item = NavItem(item, index, font_size, padding_x, padding_y, vertical,
                                   self.set_index, self.get_index,
                                   self.item_hover_pixbuf,
                                   self.item_press_pixbuf)
                self.nav_items.append(nav_item)
                self.nav_item_box.pack_start(nav_item.item_box, False, False)

        # Add separator.
        if add_separator:
            self.separator = gtk.HBox()
            self.separator.set_size_request(-1, 2)
            self.separator.connect("expose-event", self.expose_nav_separator)
            self.nav_box.pack_start(self.separator, False, False)

        # Show.
        self.show_all()

 def expose_menu_item(self, widget, event):
     '''Expose menu item.'''
     # Init.
     cr = widget.window.cairo_create()
     rect = widget.allocation
     font_color = ui_theme.get_color("menu_font").get_color()
     (item_icons, item_content, item_node) = self.item[0:3]
     
     # Draw select effect.
     if self.submenu_active or widget.state in [gtk.STATE_PRELIGHT, gtk.STATE_ACTIVE]:
         # Draw background.
         draw_vlinear(cr, rect.x, rect.y, rect.width, rect.height, 
                      ui_theme.get_shadow_color("menu_item_select").get_color_info(),
                      MENU_ITEM_RADIUS)
         
         # Set font color.
         font_color = ui_theme.get_color("menu_select_font").get_color()
         
     # Draw item icon.
     pixbuf = None
     pixbuf_width = 0
     if item_icons:
         (item_normal_dpixbuf, item_hover_dpixbuf) = item_icons
         if self.submenu_active or widget.state in [gtk.STATE_PRELIGHT, gtk.STATE_ACTIVE]:
             if item_hover_dpixbuf == None:
                 pixbuf = item_normal_dpixbuf.get_pixbuf()
             else:
                 pixbuf = item_hover_dpixbuf.get_pixbuf()
         else:
             pixbuf = item_normal_dpixbuf.get_pixbuf()
         pixbuf_width += pixbuf.get_width()
         draw_pixbuf(cr, pixbuf, rect.x + self.item_padding_x, rect.y + (rect.height - pixbuf.get_height()) / 2)
         
     # Draw item content.
     draw_text(cr, item_content, 
                 rect.x + self.item_padding_x * 2 + self.icon_width,
                 rect.y,
                 rect.width,
                 rect.height,
                 self.font_size, font_color,
                 )
     
     # Draw submenu arrow.
     if isinstance(item_node, Menu):
         if self.submenu_active or widget.state in [gtk.STATE_PRELIGHT, gtk.STATE_ACTIVE]:
             submenu_pixbuf = ui_theme.get_pixbuf("menu/arrow_hover.png").get_pixbuf()
         else:
             submenu_pixbuf = ui_theme.get_pixbuf("menu/arrow_normal.png").get_pixbuf()
         draw_pixbuf(cr, submenu_pixbuf,
                     rect.x + rect.width - self.item_padding_x - submenu_pixbuf.get_width() - self.arrow_padding_x,
                     rect.y + (rect.height - submenu_pixbuf.get_height()) / 2)
     
     # Propagate expose to children.
     propagate_expose(widget, event)
 
     return True

 def __init__(self):
     '''Init close button.'''
     gtk.Button.__init__(self)
     self.cache_pixbuf = CachePixbuf()
     draw_button(
         self, 
         self.cache_pixbuf,
         ui_theme.get_pixbuf("button/window_close_normal.png"),
         ui_theme.get_pixbuf("button/window_close_hover.png"),
         ui_theme.get_pixbuf("button/window_close_press.png"))

 def __init__(self,
              dir=HOME_DIR,
              view_mode=ICONVIEW
             ):
     HPaned.__init__(self)
     self.categorybar = Categorybar([
         (ui_theme.get_pixbuf("filemanager/computer.png"), _("Computer"), None),
         (ui_theme.get_pixbuf("filemanager/user-home.png"), _("Home"), lambda : self.open_dir(self.HOME_DIR)),
         (ui_theme.get_pixbuf("filemanager/user-desktop.png"), _("Desktop"), lambda : self.open_dir(self.HOME_DIR + "Desktop/")),
         (ui_theme.get_pixbuf("filemanager/folder-documents.png"), _("Documents"), lambda : self.open_dir(self.HOME_DIR + "Documents/")),
         (ui_theme.get_pixbuf("filemanager/folder-download.png"), _("Downloads"), lambda : self.open_dir(self.HOME_DIR + "Downloads/")),
         (ui_theme.get_pixbuf("filemanager/folder-music.png"), _("Music"), lambda : self.open_dir(self.HOME_DIR + "Music/")),
         (ui_theme.get_pixbuf("filemanager/folder-pictures.png"), _("Pictures"), lambda : self.open_dir(self.HOME_DIR + "Pictures/")),
         (ui_theme.get_pixbuf("filemanager/folder-videos.png"), _("Videos"), lambda : self.open_dir(self.HOME_DIR + "Videos/")),
         (ui_theme.get_pixbuf("filemanager/user-trash.png"), _("Trash"), lambda : self.open_dir("trash:///"))
         ])
     self.icon_size = 48
     self.iconview = FileIconView()
     self.iconview.add_items(iconview_get_dir_items(dir, self.icon_size))
     self.treeview = TreeView(get_dir_items(dir))
     self.add1(self.categorybar)
     if view_mode == self.ICONVIEW:
         self.add2(self.iconview)
     else:
         self.add2(self.treeview)

 def init_button(self, status):
     if self.get_orientation() == gtk.ORIENTATION_HORIZONTAL:
         if self.shrink_first:
             self.button_pixbuf = ui_theme.get_pixbuf("paned/paned_left_%s.png" % status).get_pixbuf()
         else:
             self.button_pixbuf = ui_theme.get_pixbuf("paned/paned_right_%s.png" % status).get_pixbuf()
     else:
         if self.shrink_first:
             self.button_pixbuf = ui_theme.get_pixbuf("paned/paned_up_%s.png" % status).get_pixbuf()
         else:
             self.button_pixbuf = ui_theme.get_pixbuf("paned/paned_down_%s.png" % status).get_pixbuf()

 def __init__(self, items, droplist_height=None, select_index=0, max_width=None):
     '''Init combo box.'''
     # Init.
     gtk.VBox.__init__(self)
     self.set_can_focus(True)
     self.items = items
     self.droplist_height = droplist_height
     self.select_index = select_index
     self.focus_flag = False
     
     self.droplist = Droplist(self.items, max_width=max_width)
     if self.droplist_height:
         self.droplist.set_size_request(-1, self.droplist_height)
     self.width = self.droplist.get_droplist_width() 
     self.height = 22
     self.label_padding_left = 6
     self.box = gtk.HBox()
     self.dropbutton_width = ui_theme.get_pixbuf("combo/dropbutton_normal.png").get_pixbuf().get_width()
     self.label = Label(self.items[select_index][0], 
                        label_width=self.width - self.dropbutton_width - 1 - self.label_padding_left,
                        enable_select=False,
                        enable_double_click=False)
     self.label.text_color = ui_theme.get_color("menu_font")
     self.dropbutton = DisableButton(
         (ui_theme.get_pixbuf("combo/dropbutton_normal.png"),
          ui_theme.get_pixbuf("combo/dropbutton_hover.png"),
          ui_theme.get_pixbuf("combo/dropbutton_press.png"),
          ui_theme.get_pixbuf("combo/dropbutton_disable.png")),
         )
             
     self.align = gtk.Alignment()
     self.align.set(0.5, 0.5, 0.0, 0.0)
     self.align.set_padding(1, 1, 1 + self.label_padding_left, 1)
     
     self.pack_start(self.align, False, False)
     self.align.add(self.box)
     self.box.pack_start(self.label, False, False)
     self.box.pack_start(self.dropbutton, False, False)
     
     self.align.connect("expose-event", self.expose_combobox_frame)
     self.label.connect("button-press-event", self.click_drop_button)
     self.dropbutton.connect("button-press-event", self.click_drop_button)
     self.droplist.connect("item-selected", self.update_select_content)
     self.droplist.connect("key-release", lambda dl, s, o, i: self.emit("key-release", s, o, i))
     self.connect("key-press-event", self.key_press_combo)
     self.connect("key-release-event", self.key_release_combo)
     self.connect("focus-in-event", self.focus_in_combo)
     self.connect("focus-out-event", self.focus_out_combo)
     
     self.keymap = {
         "Home" : self.select_first_item,
         "End" : self.select_last_item,
         "Up" : self.select_prev_item,
         "Down" : self.select_next_item}

 def create_simple_button(self, name, callback=None):
     button = DisableButton(
         (
             ui_theme.get_pixbuf("spin/spin_arrow_%s_normal.png" % name),
             ui_theme.get_pixbuf("spin/spin_arrow_%s_hover.png" % name),
             ui_theme.get_pixbuf("spin/spin_arrow_%s_press.png" % name),
             ui_theme.get_pixbuf("spin/spin_arrow_%s_disable.png" % name),
         )
     )
     if callback:
         button.connect("button-press-event", callback)
         button.connect("button-release-event", self.handle_key_release)
     return button

 def expose_nav_item(self, widget, event):
     '''Expose navigate item.'''
     # Init.
     cr = widget.window.cairo_create()
     rect = widget.allocation
     select_index = self.get_index()
     hover_pixbuf = ui_theme.get_pixbuf("navigatebar/nav_item_hover.png").get_pixbuf()
     press_pixbuf = ui_theme.get_pixbuf("navigatebar/nav_item_press.png").get_pixbuf()
     
     # Draw background.
     if widget.state == gtk.STATE_NORMAL:
         if select_index == self.index:
             select_pixbuf = press_pixbuf
         else:
             select_pixbuf = None
     elif widget.state == gtk.STATE_PRELIGHT:
         if select_index == self.index:
             select_pixbuf = press_pixbuf
         else:
             select_pixbuf = hover_pixbuf
     elif widget.state == gtk.STATE_ACTIVE:
         select_pixbuf = press_pixbuf
         
     if select_pixbuf:
         draw_pixbuf(cr, select_pixbuf, rect.x, rect.y)
     
     # Draw navigate item.
     nav_item_pixbuf = self.icon_dpixbuf.get_pixbuf()
     draw_pixbuf(
         cr, nav_item_pixbuf, 
         rect.x + (rect.width - nav_item_pixbuf.get_width()) / 2,
         rect.y)
     
     # Draw font.
     draw_text(cr, 
               self.content, 
               rect.x, 
               rect.y + nav_item_pixbuf.get_height() - 3, 
               rect.width, 
               rect.height - nav_item_pixbuf.get_height(),
               text_color="#FFFFFF",
               alignment=pango.ALIGN_CENTER,
               gaussian_radious=2, gaussian_color="#000000",
               border_radious=1, border_color="#000000", 
               )
     
     # Propagate expose to children.
     propagate_expose(widget, event)
 
     return True

 def __init__(self, 
              shrink_first,
              enable_animation=False,
              always_show_button=False,
              enable_drag=False,
              handle_color=ui_theme.get_color("paned_line")
              ):
     '''
     Initialize Paned class.
     '''
     gtk.Paned.__init__(self)
     self.shrink_first = shrink_first
     self.enable_animation = enable_animation
     self.always_show_button = always_show_button
     self.enable_drag = enable_drag
     self.handle_color = handle_color
     self.bheight = ui_theme.get_pixbuf("paned/paned_up_normal.png").get_pixbuf().get_width()
     self.saved_position = -1
     self.handle_size = PANED_HANDLE_SIZE - 1
     self.show_button = False
     self.init_button("normal")
     self.animation_delay = 20 # milliseconds
     self.animation_times = 10
     self.animation_position_frames = []
     self.press_coordinate = None

 def render_name(self, cr, rect):
     '''
     Render icon and name of DirItem.
     '''
     # Draw select background.
     if self.is_select:
         draw_vlinear(cr, rect.x ,rect.y, rect.width, rect.height,
                      ui_theme.get_shadow_color("listview_select").get_color_info())
     
     # Init.
     expand_indicator_pixbuf = ui_theme.get_pixbuf("treeview/arrow_right.png").get_pixbuf()
     
     # Draw directory icon.
     draw_pixbuf(cr, self.pixbuf, 
                 rect.x + COLUMN_OFFSET * self.column_index + INDICATOR_PADDING_LEFT + expand_indicator_pixbuf.get_width() + INDICATOR_PADDING_RIGHT + ICON_PADDING_LEFT,
                 rect.y + (rect.height - ICON_SIZE) / 2,
                 )
     
     # Draw directory name.
     draw_text(cr, self.name, 
               rect.x + COLUMN_OFFSET * self.column_index + INDICATOR_PADDING_LEFT + expand_indicator_pixbuf.get_width() + INDICATOR_PADDING_RIGHT + ICON_PADDING_LEFT + ICON_SIZE + ICON_PADDING_RIGHT,
               rect.y,
               rect.width, rect.height)
     
     # Draw drag line.
     if self.drag_line:
         with cairo_disable_antialias(cr):
             cr.set_line_width(1)
             if self.drag_line_at_bottom:
                 cr.rectangle(rect.x, rect.y + rect.height - 1, rect.width, 1)
             else:
                 cr.rectangle(rect.x, rect.y, rect.width, 1)
             cr.fill()

    def draw_handle(self, e):
        '''
        Draw the cusom handle apperance.
        '''
        handle = self.get_handle_window()
        line_width = 1
        cr = handle.cairo_create()
        cr.set_source_rgb(*color_hex_to_cairo(ui_theme.get_color("paned_line").get_color()))
        (width, height) = handle.get_size()
        if self.get_orientation() == gtk.ORIENTATION_HORIZONTAL:
            if self.shrink_first:
                cr.rectangle(0, 0, line_width, height)
                cr.fill()

                if self.show_button:
                    draw_pixbuf(cr, 
                                ui_theme.get_pixbuf("paned/paned_left_normal.png").get_pixbuf(),
                                0,
                                (height - self.bheight)  / 2)
            else:
                cr.rectangle(width - line_width, 0, line_width, height)
                cr.fill()
                
                if self.show_button:
                    draw_pixbuf(cr, 
                                ui_theme.get_pixbuf("paned/paned_right_normal.png").get_pixbuf(),
                                0,
                                (height - self.bheight)  / 2)
        else:
            if self.shrink_first:
                cr.rectangle(0, 0, width, line_width)
                cr.fill()
                
                if self.show_button:
                    draw_pixbuf(cr, 
                                ui_theme.get_pixbuf("paned/paned_up_normal.png").get_pixbuf(),
                                (width - self.bheight) / 2,
                                0)
            else:
                cr.rectangle(0, height - line_width, width, line_width)
                cr.fill()

                if self.show_button:
                    draw_pixbuf(cr, 
                                ui_theme.get_pixbuf("paned/paned_down_normal.png").get_pixbuf(),
                                (width - self.bheight) / 2,
                                0)

 def __init__(self, 
              slider_images=None, 
              pointer_images=None, 
              button_images=None, 
              show_button=True, 
              slide_delay=10000,
              ):
     '''
     Initialize WizardBox class.
     
     @param slider_images: Slider images, default is None.
     @param pointer_images: Pointer images, default is None.
     @param pointer_images: Button images, default is None.
     @param show_button: Set as True to show button.
     @param slide_delay: The time of delay between slider image, default is 10000ms.
     '''
     gtk.EventBox.__init__(self)
     self.set_visible_window(False)
     
     self.add_events(gtk.gdk.BUTTON_PRESS_MASK |
                     gtk.gdk.BUTTON_RELEASE_MASK |
                     gtk.gdk.POINTER_MOTION_MASK |
                     gtk.gdk.ENTER_NOTIFY_MASK |
                     gtk.gdk.LEAVE_NOTIFY_MASK
                     )
     
     self.connect("expose-event", self.on_expose_event)                
     self.connect("motion-notify-event", self.on_motion_notify)
     self.connect("button-press-event", self.on_button_press)
     
     # Init images.
     self.slider_pixbufs = map(gtk.gdk.pixbuf_new_from_file, slider_images)
     self.slider_numuber = len(slider_images)
     self.dot_normal_pixbuf, self.dot_active_pixbuf = map(gtk.gdk.pixbuf_new_from_file, pointer_images)
     self.button_normal_pixbuf, self.button_press_pixbuf = map(gtk.gdk.pixbuf_new_from_file, button_images)
     self.close_dpixbuf = ui_theme.get_pixbuf("button/window_close_normal.png")
     
     self.show_button = show_button
     
     # Init sizes.
     self.init_size()
     self.pointer_coords = {}
     
     # Move animation.
     self.active_index = 0
     self.target_index = None
     
     self.active_alpha = 1.0
     self.target_index = 0.0
     
     self.active_x = 0
     self.target_x = None
     self.slider_y = 0
     self.auto_animation_id = None
     self.auto_animation_timeout = slide_delay  # millisecond.
     self.slider_timeout = 1000 # millisecond.
     self.in_animation = False
     self.motion_index = None
     self.auto_animation()