This function requests that the #GtkSourceCompletionProvider prepares
cell to display the contents of proposal.
Based on cells column type, you may want to display different information.
This allows for columns of information among completion proposals
resulting in better alignment of similar content (icons, return types,
method names, and parameter lists).
This function requests that the #GtkSourceCompletionProvider prepares cell to display the contents of proposal.
Based on cells column type, you may want to display different information.
This allows for columns of information among completion proposals resulting in better alignment of similar content (icons, return types, method names, and parameter lists).