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 text of @proposal (see gtk_source_completion_proposal_get_text()).
Get with what kind of activation the provider should be activated.
Gets the #GIcon for the icon of @provider.
Get the #GdkPixbuf for the icon of the @provider.
Gets the icon name of @provider.
Get a customized info widget to show extra information of a proposal. This allows for customized widgets on a proposal basis, although in general providers will have the same custom widget for all their proposals and @proposal can be ignored. The implementation of this function is optional.
Get the delay in milliseconds before starting interactive completion for this provider. A value of -1 indicates to use the default value as set by the #GtkSourceCompletion:auto-complete-delay property.
Get the name of the provider. This should be a translatable name for display to the user. For example: _("Document word completion provider"). The returned string must be freed with g_free().
Get the provider priority. The priority determines the order in which proposals appear in the completion popup. Higher priorities are sorted before lower priorities. The default priority is 0.
Get the main Gtk struct
Get the #GtkTextIter at which the completion for @proposal starts. When implemented, this information is used to position the completion window accordingly when a proposal is selected in the completion window. The @proposal text inside the completion window is aligned on @iter.
Get whether the provider match the context of completion detailed in @context.
Populate @context with proposals from @provider added with the gtk_source_completion_context_add_proposals() function.
Update extra information shown in @info for @proposal.