Widget Development

• Getting Started
  • Prerequisites
  • Defining a widget
  • A ‘Demo’ package
  • Testing Your Widget Outside Orange Canvas
• Tutorial (Settings and Controls)
  • Widgets Settings
  • Controls and module gui
  • Persisting defaults
  • Context dependent settings
  • Migrations
• Channels and Tokens
  • Multi-Input Channels
  • Using Several Output Channels
  • Default Channels (When Using Input Channels of the Same Type)
  • Explicit Channels
• Responsive GUI
  • Setting up
  • Starting a task in a thread
  • Collecting results
  • Stopping
• Utilities
  • Progress Bar
  • Issuing warning and errors
  • I/O Summaries
  • Tips
• OWWidget
  • Widget Meta Description
  • Input/Output Signal Definitions
  • Sending/Receiving
  • Accessing Controls though Attribute Names
  • Class Member Documentation
• Library of Common GUI Controls
  • Common options
  • Common Arguments
  • Properties
  • Common Attributes
  • Widgets
  • Other widgets
  • Utility functions
  • Internal functions and classes
• Debugging and testing
  • Running widgets as scripts
  • Unit-testing Widgets