Variable: mwheel-coalesce-scroll-events
mwheel-coalesce-scroll-events is a variable defined in keyboard.c.
Value
t
Documentation
Non-nil means send a wheel event only for scrolling at least one screen line.
Otherwise, a wheel event will be sent every time the mouse wheel is moved.
Source Code
// Defined in /usr/src/emacs/src/keyboard.c
DEFVAR_BOOL ("mwheel-coalesce-scroll-events", mwheel_coalesce_scroll_events,
doc: /* Non-nil means send a wheel event only for scrolling at least one screen line.
Otherwise, a wheel event will be sent every time the mouse wheel is
moved. */);