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dash: Fix placeholder jumps while dragging a dash item

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We are currently taking "old" placeholders that are still animating
out into account to calculate the new placeholder position - this
causes an annoying bug, where dragging a dash item downwards triggers
quick continous position changes of the placeholder.
Just ignoring old placeholders fixes the issue.

https://bugzilla.gnome.org/show_bug.cgi?id=651842
This commit is contained in:
Jean-Philippe Braun 2012-01-26 15:35:31 +01:00 committed by Florian Müllner
parent 93a004b016
commit 47f7fcd4fe
1 changed files with 3 additions and 13 deletions
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16
js/ui/dash.js
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@ -744,20 +744,10 @@ const Dash = new Lang.Class({
numChildren--;
}
let pos = Math.round(y * numChildren / boxHeight);
let pos = Math.floor(y * numChildren / boxHeight);
if (pos != this._dragPlaceholderPos && pos <= numFavorites) {
if (this._animatingPlaceholdersCount > 0) {
let appChildren = children.filter(function(actor) {
return actor._delegate &&
actor._delegate.child &&
actor._delegate.child._delegate &&
actor._delegate.child._delegate.app;
});
this._dragPlaceholderPos = children.indexOf(appChildren[pos]);
} else {
this._dragPlaceholderPos = pos;
}
if (pos != this._dragPlaceholderPos && pos <= numFavorites && this._animatingPlaceholdersCount == 0) {
this._dragPlaceholderPos = pos;
// Don't allow positioning before or after self
if (favPos != -1 && (pos == favPos || pos == favPos + 1)) {