Class e.p.p.w.l.List(Widget):

Part of elisa.plugins.pigment.widgets.list View In Hierarchy

Abstract list widget. It displays data stored in the L{model} list. Items
of L{model} are rendered into widgets instances of the widget class passed
to the constructor using the specified L{renderer} function.

Usage example for a list of strings rendered in Text drawables:

    l = List(Text)

    def renderer(item, widget):
        widget.label = str(item)
        widget.bg_a = 0

    model = range(100)

    l.set_renderer(renderer)
    l.set_model(model)


Emit the signals:
  - item-clicked: when an item of the list is clicked
  - selected-item-changed: when the selected item in the list changes

@ivar selected_item_index:    index of the currently selected item in the
                              L{model}
@type selected_item_index:    int
@ivar visible_range_size:     number of rendered items
@type visible_range_size:     float
@ivar model:                  list of data items that is rendered by the
                              list widget
@type model:                  list
@ivar drag_motion_resolution: minimum time between 2 drag events in milliseconds
@type drag_motion_resolution: int
@ivar drag_threshold:         amount of movement needed to activate dragging
                              in canvas coordinates
@type drag_threshold:         float
@ivar animated:               True if the list is animated, False otherwise
@type animated:               bool
@ivar preloaded:              number of items that are prerendered before
                              they become visible
@type preloaded:              int
@ivar focus_on_click:         whether the button will grab focus when clicked
@type focus_on_click:         boolean