Function
GtkTreeViewColumnDropFunc
deprecated: 4.20
Declaration
gboolean
(* GtkTreeViewColumnDropFunc) (
  GtkTreeView* tree_view,
  GtkTreeViewColumn* column,
  GtkTreeViewColumn* prev_column,
  GtkTreeViewColumn* next_column,
  gpointer data
)
Description [src]
Function type for determining whether column can be dropped in a
particular spot (as determined by prev_column and next_column).  In
left to right locales, prev_column is on the left of the potential drop
spot, and next_column is on the right.  In right to left mode, this is
reversed.  This function should return TRUE if the spot is a valid drop
spot.  Please note that returning TRUE does not actually indicate that
the column drop was made, but is meant only to indicate a possible drop
spot to the user.
Deprecated since: 4.20
There is no replacement.
Parameters
- tree_view
- 
            Type: GtkTreeViewA GtkTreeView.The data is owned by the caller of the function. 
- column
- 
            Type: GtkTreeViewColumnThe GtkTreeViewColumnbeing dragged.The data is owned by the caller of the function. 
- prev_column
- 
            Type: GtkTreeViewColumnA GtkTreeViewColumnon one side ofcolumn.The data is owned by the caller of the function. 
- next_column
- 
            Type: GtkTreeViewColumnA GtkTreeViewColumnon the other side ofcolumn.The data is owned by the caller of the function. 
- data
- 
            Type: gpointerUser data. The argument can be NULL.The data is owned by the caller of the function.