From a9d72b40fbe178fa4fbb9d0e7c02dc6c5250969a Mon Sep 17 00:00:00 2001 From: Chris Salch Date: Wed, 6 Aug 2008 22:08:13 -0500 Subject: Adding mouse wheel emulation code. Signed-off-by: Peter Hutterer --- man/evdev.man | 44 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 43 insertions(+), 1 deletion(-) (limited to 'man/evdev.man') diff --git a/man/evdev.man b/man/evdev.man index 0a4b71a..3b0f3b1 100644 --- a/man/evdev.man +++ b/man/evdev.man @@ -77,7 +77,49 @@ buttons can have the same mapping. For example, a left-handed mouse with deactivated scroll-wheel would use a mapping of "3 2 1 0 0". Invalid mappings are ignored and the default mapping is used. Buttons not specified in the user's mapping use the default mapping. - +.TP 7 +.BI "Option \*qEmulateWheel\*q \*q" boolean \*q +Enable/disable "wheel" emulation. Wheel emulation means emulating button +press/release events when the mouse is moved while a specific real button +is pressed. Wheel button events (typically buttons 4 and 5) are +usually used for scrolling. Wheel emulation is useful for getting wheel-like +behaviour with trackballs. It can also be useful for mice with 4 or +more buttons but no wheel. See the description of the +.BR EmulateWheelButton , +.BR EmulateWheelInertia , +.BR XAxisMapping , +and +.B YAxisMapping +options below. Default: off. +.TP 7 +.BI "Option \*qEmulateWheelButton\*q \*q" integer \*q +Specifies which button must be held down to enable wheel emulation mode. +While this button is down, X and/or Y pointer movement will generate button +press/release events as specified for the +.B XAxisMapping +and +.B YAxisMapping +settings. Default: 4. +.TP 7 +.BI "Option \*qEmulateWheelInertia\*q \*q" integer \*q +Specifies how far (in pixels) the pointer must move to generate button +press/release events in wheel emulation mode. Default: 10. +.TP 7 +.BI "Option \*qXAxisMapping\*q \*q" "N1 N2" \*q +Specifies which buttons are mapped to motion in the X direction in wheel +emulation mode. Button number +.I N1 +is mapped to the negative X axis motion and button number +.I N2 +is mapped to the positive X axis motion. Default: no mapping. +.TP 7 +.BI "Option \*qYAxisMapping\*q \*q" "N1 N2" \*q +Specifies which buttons are mapped to motion in the Y direction in wheel +emulation mode. Button number +.I N1 +is mapped to the negative Y axis motion and button number +.I N2 +is mapped to the positive Y axis motion. Default: "4 5" .SH AUTHORS Kristian Høgsberg. .SH "SEE ALSO" -- cgit v1.2.3