Lcd wrote: > Some background first. > > If you're running a GUI Vim, 'ballooneval' is true and 'balloonexpr' > is set to an expression, whenever the mouse rests for a short while > pointing to a non-blank character the said expression is evaluated > and the result is shown in a "balloon". A number of v: variables are > available for use in the expression, such as the coordinates the mouse > is pointing to. > > The expression is supposed to return either a string, or a list of > strings. There's a bit of fun related to what happens if the underlying > OS can't handle multiline balloons, but let's assume the OS can actually > deal with them. > > Now the problem. > > According to the manual: > > : When they are supported "\n" characters will start a new line. If the > : expression evaluates to a |List| this is equal to using each List item > : as a string and putting "\n" in between them. > > The problem is a trailing "\n" is always added when the expression > evaluates to a list, and this is pretty much never what you want. > Namely, compare the effect of: > > set beval bexpr=['foo'] > > to the effect of: > > set beval bexpr='foo' > > This happens because general_beval_cb() in gui_beval.c calls > eval_to_string() to evaluate 'balloonexpr', and that function adds the > trailing "\n". I don't see any non-intrusive fix to this.
Well, general_beval_cb() stores the resulting string in "result". It should be easy to remove a trailing newline from it. Assuming this newline is never useful. -- press CTRL-ALT-DEL for more information /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\ /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ \\\ an exciting new programming language -- http://www.Zimbu.org /// \\\ help me help AIDS victims -- http://ICCF-Holland.org /// -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
