JDK-4697451 : Component doesn't become focused when clicked.
  • Type: Bug
  • Component: client-libs
  • Sub-Component: java.awt
  • Affected Version: 1.4.1
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: linux,solaris_7
  • CPU: x86,sparc
  • Submitted: 2002-06-05
  • Updated: 2002-10-18
  • Resolved: 2002-10-18
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1.4.2 mantisFixed
Related Reports
Duplicate :  

Name: dmR10075			Date: 06/05/2002

The bug exists on Hopper b10-b12. When I click on Button in inactive
frame, after frame becomes active Button doesn't become focus owner.
Presumably this happens with all heavyweight components.

How to reproduce:
1. Run regression test test/java/awt/Focus/MixedWeightFocus.
2. Current active window will be Modeless dialog.
3. Click on "button 2" in FocusFrame.

You will see that FocusFrame will become active but "button 1" will be
focus owner. Sometimes "button 2" however becomes focus owner. There
seems to be a race somewhere in focus machinery.


CONVERTED DATA BugTraq+ Release Management Values COMMIT TO FIX: mantis FIXED IN: mantis INTEGRATED IN: mantis mantis-b04

WORK AROUND Name: dmR10075 Date: 06/05/2002 Make frame active by clicking on its caption before clicking on any of its children. ======================================================================

EVALUATION Name: dmR10075 Date: 08/19/2002 The problem happens because of the race between mouse press callback in native code (canvas.c:track_motif...) (which sets focus to pressed component and generates focus events) and Java code processing WINDOW_GAINED_FOCUS event (which requests focus on default component). If the latter requests focus after the former has been processed then default component will receive focus after clicked. ###@###.### 2002-08-19 ======================================================================