JDK-8155740 : [macosx] robot.keyPress and robot.keyRelease do not generate key event for Alt-Graph key VK_ALT_GRAPH.
  • Type: Bug
  • Component: client-libs
  • Sub-Component: java.awt
  • Affected Version: 9
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: os_x
  • CPU: x86
  • Submitted: 2016-04-29
  • Updated: 2019-05-16
  • Resolved: 2016-06-22
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JDK 9
9 b127Fixed
Related Reports
Duplicate :  
JDK-8158491 - [TEST_BUG] [macosx] Please investigate the test failure: javax/swing/text/JTextComponent/5074573/bug5074573.java
Relates :  
JDK-8217964 - [macos] Press&Hold macOS feature doesn't work when hold down an accent key using Robot
Relates :  
JDK-8158621 - The ALT key can not work with any key
Relates :  
JDK-8151136 - [macosx] According to the description,the case is failed
Relates :  
JDK-8224055 - [macos] Robot does not take care about key modifiers properly
Description
FULL PRODUCT VERSION : 
java version "1.9.0-internal-debug"
Java(TM) SE Runtime Environment (build 1.9.0-internal-debug-mahalder_2015_11_27_15_27-b00)
Java HotSpot(TM) 64-Bit Server VM (build 1.9.0-internal-debug-mahalder_2015_11_27_15_27-b00, mixed mode)

ADDITIONAL OS VERSION INFORMATION : 
Mac OS X 10.10.5

A DESCRIPTION OF THE PROBLEM : 
robot.keyPress(KeyEvent.VK_ALT_GRAPH) and robot.keyRelease(KeyEvent.VK_ALT_GRAPH) do not generate key event on Mac OS X. 
 
The issue does occur in Java 8 or earlier.
Comments
Issue is reproduced on OS X 10.10.5. VK_ALT_GRAPH key not mapped to any key on OS X.
29-04-2016