Either

1. Select the text without pressing a shortcut key and middle-click in the browser window, or


2. Select the text, press shift-ctrl-c and then use ctrl-v to paste, or



3. I'm not entirely sure what vim has to do with sql files and what these sql files are (sqlite?), but maybe you have to use vim because the environment variable EDITOR is set to vim; maybe you could do whatever you do by setting

   
   
   

   export EDITOR=gedit
   
   

   
   
   

   before starting whatever program you start to edit the sql files.