D17481: Use lambdas instead of QSignalMapper

[Alexander Volkov]

volkov closed this revision.

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D17481

To: volkov, #okular, aacid
Cc: okular-devel, joaonetto, tfella, ngraham, darcyshen, aacid