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Fix popups going off screen vertically (upwards) #220

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5 changes: 5 additions & 0 deletions src/web/skeleton/Wt.js
Original file line number Diff line number Diff line change
Expand Up @@ -1822,8 +1822,13 @@ if (!window._$_WT_CLASS_$_) {
} else if (y + reserveHeight > windowY + windowSize.y) {
// too far below, chose other side
if (bottomy > windowY + windowSize.y) {
// requested bottom edge is already off screen
bottomy = windowY + windowSize.y;
}
if (reserveHeight > bottomy - windowY) {
// popup is too tall to be displayed upwards starting from the current bottomy
bottomy = windowY + reserveHeight;
}
let scrollY = op.scrollTop;
if (op === document.body) {
scrollY = op.clientHeight - windowSize.y;
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