Bug 563009 - Tooltip flicker when tooltip was already visible
Summary: Tooltip flicker when tooltip was already visible
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: Text (show other bugs)
Version: 4.15   Edit
Hardware: PC Windows 10
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Platform-Text-Inbox CLA
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Reported: 2020-05-10 06:44 EDT by Rolf Theunissen CLA
Modified: 2020-05-10 06:44 EDT (History)
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Description Rolf Theunissen CLA 2020-05-10 06:44:44 EDT 
In a text view, when the tooltip is already visible and replaced by another tooltip it shortly flickers. That is, the tooltip shell is first moved to the new location, after that the size is changed. See org.eclipse.jface.text.AbstractInformationControlManager.internalShowInformationControl(Rectangle, Object)

The ficker disappears if fInformationControl.setVisible(false) is called early in the method mentioned above. That is, it is hidden while doing the update operations.