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Fix indexing of mouse-wheel events

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* doc/emacs/frames.texi (Mouse Commands): Add index entries for
wheel events.
This commit is contained in:
Eli Zaretskii 2022-09-03 19:11:51 +03:00
parent aace5455b0
commit 65e3568293
1 changed files with 9 additions and 1 deletions
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doc/emacs/frames.texi
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@ -215,6 +215,10 @@ deactivating the mark. @xref{Shift Selection}.
@vindex mouse-wheel-follow-mouse
@vindex mouse-wheel-scroll-amount
@vindex mouse-wheel-progressive-speed
@cindex wheel-up, a mouse event
@cindex wheel-down, a mouse event
@cindex wheel-left, a mouse event
@cindex wheel-right, a mouse event
Some mice have a ``wheel'' which can be used for scrolling. Emacs
supports scrolling windows with the mouse wheel, by default, on most
graphical displays. To toggle this feature, use @kbd{M-x
@ -224,7 +228,11 @@ buffers are scrolled. The variable
@code{mouse-wheel-progressive-speed} determines whether the scroll
speed is linked to how fast you move the wheel. This mode also
supports increasing or decreasing the font size, by default bound to
scrolling with the @key{Ctrl} modifier.
scrolling with the @key{Ctrl} modifier. When this mode is enabled,
mouse wheel produces special events like @code{wheel-up} and
@code{wheel-down}. (Some older systems report them as @code{mouse-4}
and @code{mouse-5}.) If the mouse has a horizontal scroll wheel, it
produces @code{wheel-left} and @code{wheel-right} events as well..
@vindex mouse-wheel-scroll-amount-horizontal
Emacs also supports horizontal scrolling with the @key{Shift}