UI Implementation

UI Implementation

1. Importance of Implementation Knowledge

   • Design Benefits
     • Predicting edge cases
     • Effective communication
     • Easier discussion of constraints

2. States and Events

   • States Machines
     • Event-driven state transitions
   • Event Handling
     • Event propagation
     • Event delegation
     • Aggregation of events (double click)
   • Widgets
     • Multiple Inputs
     • Managing inactive states and focus

3. MVC Architecture

   • Model
     • Data storage and management
   • View
     • Presentation of Data
     • Handling user interaction
   • Controller
     • Logic for managing user input
     • Updates model and view

4. Historical Innovations

   • 1990s
     • Toolkits and constraint systems
   • 2000s
     • Scene graphs
     • Animated Interfaces
   • Web based toolkits