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X11 - Ignore scroll events that happen outside of Glutin windows

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Scroll deltas are calculated in X11 by comparing the current and
previous absolute values for the scroll axis when a scroll motion
event is received. If the user scrolls whilst the cursor is outside
of the window then an incorrect delta is reported when the cursor
re-enters the window.

Fix this by resetting the last-seen axis values whenever the cursor
re-enters the window.
This commit is contained in:
Robert Knight 2015-06-28 22:09:26 +01:00
parent cb08d9b05b
commit edc95d554d
2 changed files with 15 additions and 4 deletions
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3
src/api/x11/window.rs
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@ -7,7 +7,6 @@ use std::{mem, ptr};
use std::cell::Cell;
use std::sync::atomic::AtomicBool;
use std::collections::VecDeque;
use std::slice::from_raw_parts;
use std::sync::{Arc, Mutex};
use Api;
@ -23,7 +22,7 @@ use api::egl::Context as EglContext;
use platform::MonitorID as PlatformMonitorID;
use super::input::XInputEventHandler;
use super::{events, ffi};
use super::{ffi};
use super::{MonitorID, XConnection};
// XOpenIM doesn't seem to be thread-safe