Interface Architecture

Interface Architecture

1. Architecture levels

   • States and Events

2. Widgets

   • State Machine
     • Events
     • States
     • Transitions
   • Model-View-Controller
     • Model
       • Storing and Retrieving Data
     • View
       • Presenting Data and Listening to User Input
     • Controller
       • Managing Interaction between data storage and presentation using state machine
     • Divides implementation of single part
   • View Hierarchies
     • Event Propagation
       • Mouse
       • Keyboard
       • Touch screen
       • Speech

3. Advances

   • Amulet Toolkit
   • Scene graphs
   • Multiple machine viewing
   • Dart Toolkit