Touchpad
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A touchpad or trackpad is a small, flat panel that converts finger motion into mouse cursor motion.
Clicks
Different touchpads have different hardware for sensing "mouse" clicks:
- Physical mouse buttons below and/or above the touchpad.
- "Touch buttons" as designated areas of the touchpad.
- Interpret a tap as left click
- The whole touchpad being pressure-sensitive as a mouse button.
Multitouch touchpads often interpret two-finger tap/pressure as right clicks.
Scrolling
Some touchpads often use the right border as scrolling area - for emulating a scrollwheel.
Multitouch touchpads instead often use two-finger gestures for panning. This is the recommendation for Microsoft Windows (Windows 8 onwards) and MacOS X.