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clarify GetWheelRotation() (bug 969231)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42369 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-10-25 00:06:43 +00:00
parent c1073b57a7
commit 9aeb24a0f6
1 changed files with 5 additions and 6 deletions
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11
docs/latex/wx/mouseevt.tex
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@@ -319,12 +319,11 @@ wheel action. Defaults to three.
\constfunc{int}{GetWheelRotation}{\void} \constfunc{int}{GetWheelRotation}{\void}
Get wheel rotation, positive or negative indicates direction of Get wheel rotation, positive or negative indicates direction of
rotation. Current devices all send an event when rotation is equal to rotation. Current devices all send an event when rotation is at least
+/-WheelDelta, but this allows for finer resolution devices to be +/-WheelDelta, but finer resolution devices can be created in the future.
created in the future. Because of this you shouldn't assume that one Because of this you shouldn't assume that one event is equal to 1 line, but you
event is equal to 1 line or whatever, but you should be able to either should be able to either do partial line scrolling or wait until several
do partial line scrolling or wait until +/-WheelDelta rotation values events accumulate before scrolling.
have been accumulated before scrolling.
\membersection{wxMouseEvent::GetWheelDelta}\label{wxmouseeventgetwheeldelta} \membersection{wxMouseEvent::GetWheelDelta}\label{wxmouseeventgetwheeldelta}