> Issue is > BasicScrollBarUI.ArrowButtonListener starts a timer in mousePressed(), and > stops it in mouseReleased(). If the frame containing the scrollbar is > disabled between the MOUSE_PRESSED and the MOUSE_RELEASED events, the > mouseReleased() method is never called. If the frame is then re-enabled, the > still-running timer causes it to scroll all the way to the end. > Fix is to check if > [ArrowButtonListener.handledEvent](https://github.com/openjdk/jdk/blame/ee839b7f0ebe471d3877cddd2c87019ccb8ee5ae/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicScrollBarUI.java#L1567) > is still set when ActionEvent is processed then stop the timer and reset > this variable. > > CI testing is green and also SwingSet2 JScrollPane scrolling with this > modification..
Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision: Stop the timer if frame is disabled ------------- Changes: - all: https://git.openjdk.org/jdk/pull/20346/files - new: https://git.openjdk.org/jdk/pull/20346/files/00fd5e58..526c6a17 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=20346&range=03 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20346&range=02-03 Stats: 34 lines in 2 files changed: 19 ins; 0 del; 15 mod Patch: https://git.openjdk.org/jdk/pull/20346.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20346/head:pull/20346 PR: https://git.openjdk.org/jdk/pull/20346
