Bug 59639 - Popup windows disappear on MouseOver when "Focus follows mouse" mouse behaviour used in WM.
Summary: Popup windows disappear on MouseOver when "Focus follows mouse" mouse behavio...
Status: RESOLVED WORKSFORME
Alias: None
Product: Platform
Classification: Eclipse Project
Component: SWT (show other bugs)
Version: 3.0   Edit
Hardware: PC Linux-GTK
: P3 minor with 1 vote (vote)
Target Milestone: ---   Edit
Assignee: Platform-SWT-Inbox CLA
QA Contact: Bogdan Gheorghe CLA
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2004-04-22 10:48 EDT by Jerry Seutter CLA
Modified: 2017-06-26 14:21 EDT (History)
2 users (show)

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Description Jerry Seutter CLA 2004-04-22 10:48:22 EDT
Popup windows will disappear the minute the mouse moves over them, when the
mouse behaviour is set to "Focus Strictly Under Mouse" in KDE.  When switched to
"Focus Under Mouse" or "Click to focus", the windows behave as expected.

This occurs most commonly when I am editing Java code.  For example,
when typing "System.out.println", type System.<-- and wait for the popup
window to appear with code completions, then try and move the mouse over
the window.  If the mouse is in the space where the window will appear, the
window will only flash.  It opens and closes right after.

With the 3.0m8 this behaviour extended to the popup window that displays
the list of files that you have open, but are not listed along the tabs
at the top of the code editing window.  It became much more annoying at
this point because it requires that keyboard navigation through the list
of open files.

OS: Linux DeadRat (Redhat) 7.3, KDE 3.0.5a, QT 3.0.5
Observed on Eclipse 3.0, m6 and m8, GTK builds.

The GTK packages I have installed are:
gtk+-1.2.10-15.ximian.31
gtk+10-1.0.6-10
gtk2-2.2.1-0.ximian.4.18

If you have any questions, feel free to drop me an email.
Comment 1 Steve Northover CLA 2004-04-28 19:40:30 EDT
GG to investigate.  I believe that most hover windows should have this 
behavior regardless of "focus follows mouse" but I could be wrong.  What does 
CTabFolder do?
Comment 2 Seweryn Niemiec CLA 2006-05-24 14:13:56 EDT
I have the same issue under Gnome. When I setup Focus Mode in
Metacity window manager to "mouse", pop-up window disappears
when mouse enters it's area. It applies only to:
- Code Completion pop-up window
- Properties View combo box
- Tabs Toolbar pop-up window (opened by small ">>" button)
- and AFAIR in combo boxes in some wizards
Comment 3 Marc Horowitz CLA 2007-03-12 18:15:06 EDT
I have the same problem as Seweryn in the same places in eclipse.  My environment is eclipse 3.2 on debian linux using sawfish.  I have Focus set to "enter-exit".
Comment 4 Grant Gayed CLA 2009-09-25 16:42:29 EDT
Moving report to triage, see http://www.eclipse.org/swt/triage.php
for more info about swt bug handling.
Comment 5 Ian Pun CLA 2017-06-26 14:21:50 EDT
This isn't an issue for me anymore within GTK3.20 using Fedora 25 Gnome. If this still doesn't work for some of the updated WMs and is causing your workflow to be inhibited, please reopen and comment below. If not, I will be closing this for the time being as WORKSFORME.