the association of a button on a mouse with a specific functionality, such as the association of a specific tool with the left mouse button after that tool has been selected in a toolbar. Mice range in the number of buttons they have: 1 to 3 buttons is common. While the left mouse button is typically used to select items and press on-screen buttons, the middle and right buttons are often bound with different behaviors. Common behaviors that buttons are bound to include:
- extending a selection
- displaying contextual menus (commands that are specific to the item or area clicked)
- performing a constrained operation, such as drawing straight lines when the primary button can draw arbitrary lines
- displaying system commands
- providing help for the item clicked
- contextual menus
- mouse
- selection
- tool
- Glossary Categories > Interaction Design
- Glossary Categories > I/O Devices > Input Devices
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