Activate proposal at iter. When this functions returns FALSE, the default activation of proposal will take place which replaces the word at iter with the label of proposal.
A GtkSourceCompletionProposal
A GtkTextIter
TRUE to indicate that the proposal activation has been handled, FALSE otherwise.
See Implementation
Activate proposal at iter. When this functions returns FALSE, the default activation of proposal will take place which replaces the word at iter with the label of proposal.