Schuhr Sources / file revision

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   Europalab SchachUhr - Game clock graphical user interface client

   REQUIREMENTS (IEEE 830-1998)

   The SchachUhr application provides an electronic representation of

   a traditional game clock and specifies its logic by means of external

   interface, functional, performance, design constraint, and software

   system requirements.

   EXTERNAL REQUIREMENTS

   #R.01 Proportions and graphic accuracy is maintained on

         a variety of mobile devices and screen sizes.

   FUNCTIONAL REQUIREMENTS

   #R.02 Two opponents use the chess clock to help judge the chess match.

   #R.03 Functions and UI are configurable, persistent in user's homedir.

   #R.04 Each opponent can choose their name, shown on their clock.

   #R.05 Names of well known chess strategists are offered as examples.

   #R.06 The subclock positions can be swapped at any time.

   #R.07 Each opponent can choose one of eight colours for their clock.

   #R.08 Each opponent can choose how many minutes to allocate for their match.

   #R.09 Display of the hour hand is optional.

   #R.10 Display of the second hand is optional.

   #R.11 Display of numbers on the clockfaces is optional.

   #R.12 Optional audio output indicates which subclock is running.

   #R.13 The complete configuration state can be stored and given a name.

   #R.14 The complete configuration can be restored from several stored states.

   #R.15 The initial state optionally restores the last known configuration.

   #R.16 Times of well known chess game types (blitz) are offered as examples.

   #R.17 Static text of the interface is adapted to the user's current locale.

   #R.18 The locale used in translating static text can be chosen in the GUI.

   #R.19 A well visible timer flag falls to indicate each opponent's expiration.

   #R.20 Both subclocks can be paused at the same time during the match.

   #R.21 All user interaction is limited to basic operation for ease of use.

   #R.22 Features can be learned quickly by those knowlegable with game clocks.

   #R.23 Online and offline documentation describes the application.

   #R.24 Built in help aides the user as well as a traditional manpage.

   #R.25 Routinely released updates distribute new features and correct flaws.

   PERFORMANCE REQUIREMENTS

   DESIGN CONSTRAINTS

   #R.26 UI consists of a vertical titlebar and two clockfaces with text labels.

   SOFTWARE SYSTEM ATTRIBUTES

   OTHER REQUIREMENTS