cartodb4/perfect-scrollbar
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Merge pull request #486 from tkhyn/master

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Rounding error fix when scrollbar is all the way down or right
This commit is contained in:
DanielApt 2016-04-14 22:43:22 +01:00
commit 269a1dc402
1 changed files with 16 additions and 2 deletions
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18
src/js/plugin/update-scroll.js
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@ -52,12 +52,26 @@ module.exports = function (element, axis, value) {
var i = instances.get(element);
if (axis === 'top' && value >= i.contentHeight - i.containerHeight) {
element.scrollTop = value = i.contentHeight - i.containerHeight; // don't allow scroll past container
// don't allow scroll past container
value = i.contentHeight - i.containerHeight;
if (value - element.scrollTop <= 1) {
// mitigates rounding errors on non-subpixel scroll values
value = element.scrollTop;
} else {
element.scrollTop = value;
}
element.dispatchEvent(yEndEvent);
}
if (axis === 'left' && value >= i.contentWidth - i.containerWidth) {
element.scrollLeft = value = i.contentWidth - i.containerWidth; // don't allow scroll past container
// don't allow scroll past container
value = i.contentWidth - i.containerWidth;
if (value - element.scrollLeft <= 1) {
// mitigates rounding errors on non-subpixel scroll values
value = element.scrollLeft;
} else {
element.scrollLeft = value;
}
element.dispatchEvent(xEndEvent);
}