HCI.TOP
C1.21

Mouse Button Count and Semantic Allocation

Cards in this group · 5

  1. C1.21.1The left button carries primary selection, with nearly universal platform semantics
  2. C1.21.2Middle-button semantics vary by application and lack a unified convention
  3. C1.21.3Side-button back and forward mappings depend on drivers and are not system-guaranteed
  4. C1.21.4Efficiency gains from more buttons depend on remembering nonstandard mappings
  5. C1.21.5Functions bound only to non-left buttons are unavailable to one-button-mouse and trackpad users