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Properly handle refocusing pointer on both scroll and mousewheel events.

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When you're at the top of the page, you don't get scroll events
anymore if you're scrolling with a mousewheel. So we need
to listen to mousewheel as well as scroll.

(Why not *just* mousewheel? Because then the scrolling done by
 PageUp and PageDown no longer causes the pointer to refocus,
 because those trigger scroll events.)

(imported from commit 4ee23004f6e090abaabb836f0a9d7b59d0394ced)
This commit is contained in:
Waseem Daher
2012-10-04 14:59:24 -04:00
parent 93dbb21aff
commit e28373ec13
1 changed files with 7 additions and 5 deletions
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12
zephyr/static/js/ui.js
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@@ -114,14 +114,16 @@ $(function () {
sub_from_home(compose_class_name(), $('#class-nosub')); sub_from_home(compose_class_name(), $('#class-nosub'));
}); });
var last_mousewheel = 0; var last_mousewheel_or_scroll = 0;
$("#main_div").mousewheel(function () { function do_mousewheel_or_scroll () {
var time = $.now(); var time = $.now();
if (time - last_mousewheel > 50) { if (time - last_mousewheel_or_scroll > 50) {
keep_pointer_in_view(); keep_pointer_in_view();
last_mousewheel = time; last_mousewheel_or_scroll = time;
} }
}); }
$(window).mousewheel(do_mousewheel_or_scroll);
$(window).scroll(do_mousewheel_or_scroll);
$('.button-slide').click(function () { $('.button-slide').click(function () {
show_compose('class', $("#class")); show_compose('class', $("#class"));