Have you never used mousegestures? Read Mousegestures for all Browsers to learn more.
Click here to download browsergestures.khotkeys file.(requires KDE SC 4.3 or later)
Currently supported applications:
Import the file you downloaded, using.
Click, and enable . The default mousebutton is set to "2" (mouse wheel). You can choose (right button) if you prefer it.
Opera ：Because Opera has its own mousegestures, you can delete Opera in the conditions tab