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We have all-in-one PC terminal with touchscreen with Ubuntu 10.10 and
JAVA application on Oracle JAVA JRE with some buttons. Working fine.
After I did a minimal clean install from Ubuntu Server 12.04 CD (just with
fluxbox WM) and Oracle JAVA JRE I run the JAVA application via javaws. I can
click the buttons in the JAVA application using mouse, but when I try the same
with touchscreen, the mouse pointer moves to the place I touched but the button
is not pressed. After that when trying to use the mouse again even the mouse
clicks are not detected !!!
At first I thought it is the application problem but the same applies to the
javaws laucher windows as well.
Configuration of X11 in both versions of Ubuntu seems to be the same (no
xorg.conf, just calibration.conf), no other adjustments.
Touchscreen in Fluxbox is working fine in both versions. Since the JAVA
version is the same in both versions of Ubuntu it cannot be problem of
JAVA.
To me it seems that in Ubuntu 12.04 the touchscreen/mouse events are
passed to the JAVA VM differently than in Ubuntu 10.10.
** Affects: linux (Ubuntu)
Importance: Low
Status: Incomplete
** Tags: bot-comment
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Mouse clicks not detected in JAVA after touching eGalax touchscreen
https://bugs.launchpad.net/bugs/1206880
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