ngraham added a comment.
FWIW, Apple's Preview does something similar and limits the size of the sidebar to about 40% of the window's width. They elide the text, too. F5440829: PDF.png <https://phabricator.kde.org/F5440829> REPOSITORY R223 Okular REVISION DETAIL https://phabricator.kde.org/D6696 To: rkflx, #okular, aacid, sander, pino Cc: ngraham, pino, sander, aacid