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Diffstat (limited to 'Tools/pynche/Switchboard.py')
| -rw-r--r-- | Tools/pynche/Switchboard.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Tools/pynche/Switchboard.py b/Tools/pynche/Switchboard.py index aaf67ab..503752e 100644 --- a/Tools/pynche/Switchboard.py +++ b/Tools/pynche/Switchboard.py @@ -1,3 +1,17 @@ +"""Switchboard class. + +This class is used to coordinate updates among all Viewers. Every Viewer must +conform to the following interface: + + - it must include a method called update_yourself() which takes three + arguments; the red, green, and blue values of the selected color. + + - When a Viewer selects a color and wishes to update all other Views, it + should call update_views() on the Switchboard object. Not that the + Viewer typically does *not* update itself before calling update_views(), + since this would cause it to get updated twice. +""" + class Switchboard: def __init__(self, colordb): self.__views = [] |