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ebc087fbf6
The current 20% is excessive. On the t440s, the button size amounts to ~14mm from the bottom. On the x220 it amounts to ~9mm, leaving only 31mm as actual touchpad. Reduce it to 15% instead, which amounts to 10.5mm on the t440 and 6mm on the x220. Cap the button height further by making buttons a maximum height of 10mm, anything larger than that is excessive anyway. Smaller buttons should be acceptable since we can rely on the bottom edge to be a haptic feedback and thus a good hit-target, somewhat simliar to how screen edges are good hit-targets. The top software buttons stay the same size, but prefer a physical size of 6mm instead (which is 1mm below the button marker line on the T440s). If no y resolution is available, fall back to the 8% which is 5.6mm on the T440s. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Hans de Goede <hdegoede@redhat.com> |
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libinput libinput is a library that handles input devices for display servers and other applications that need to directly deal with input devices. It provides device detection, device handling, input device event processing and abstraction so minimize the amount of custom input code the user of libinput need to provide the common set of functionality that users expect. Input event processing includes scaling touch coordinates, generating pointer events from touchpads, pointer acceleration, etc. libinput originates from weston, the Wayland reference compositor. The source code of libinput can be found at: http://cgit.freedesktop.org/wayland/libinput For more information, visit: http://www.freedesktop.org/wiki/Software/libinput/