Reduce excess positioning calls for ComboBox popup. #11808
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- If an open popup is reset to its default position on every update from the server before getting adjusted again to the actual expected position, on heavier applications some of those intermediate positions might get rendered. If the ComboBox is positioned at the right edge and the popup contents are longer than the input field (i.e. popup should open to the left, not right) this might cause flickering. - Setting the default position is only actually needed when the popup is opened in order to give it a baseline, otherwise it's better to simply adjust the position if needed. Continues on vaadin#11718
TatuLund
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Ansku
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- If an open popup is reset to its default position on every update from the server before getting adjusted again to the actual expected position, on heavier applications some of those intermediate positions might get rendered. If the ComboBox is positioned at the right edge and the popup contents are longer than the input field (i.e. popup should open to the left, not right) this might cause flickering. - Setting the default position is only actually needed when the popup is opened in order to give it a baseline, otherwise it's better to simply adjust the position if needed. Continues on #11718
Ansku
added a commit
that referenced
this pull request
Nov 14, 2019
- If an open popup is reset to its default position on every update from the server before getting adjusted again to the actual expected position, on heavier applications some of those intermediate positions might get rendered. If the ComboBox is positioned at the right edge and the popup contents are longer than the input field (i.e. popup should open to the left, not right) this might cause flickering. - Setting the default position is only actually needed when the popup is opened in order to give it a baseline, otherwise it's better to simply adjust the position if needed. Continues on #11718
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the server before getting adjusted again to the actual expected
position, on heavier applications some of those intermediate positions
might get rendered. If the ComboBox is positioned at the right edge and
the popup contents are longer than the input field (i.e. popup should
open to the left, not right) this might cause flickering.
opened in order to give it a baseline, otherwise it's better to simply
adjust the position if needed.
Continues on #11718
This change is