Function presets_drop_cb

gtk/src/presets.c:2994–3139

}

G_MODULE_EXPORT gboolean
presets_drop_cb (GtkDropTargetAsync *drop_target, GdkDrop *drop, double x, double y, signal_user_data_t *ud)
{
    GtkTreeView             *tv;
    GtkTreeModel            *dst_model;
    GtkTreePath             *dst_treepath = NULL;
    GtkTreeViewDropPosition  drop_pos;
    GtkTreeIter              dst_iter, src_iter;
    gint                     src_ptype;
    gboolean                 src_folder, dst_folder;

    tv = GTK_TREE_VIEW(gtk_event_controller_get_widget(GTK_EVENT_CONTROLLER(drop_target)));
    g_return_val_if_fail(GTK_IS_TREE_VIEW(tv), FALSE);

    dst_model = gtk_tree_view_get_model(tv);
    gtk_tree_view_get_drag_dest_row(tv, &dst_treepath, &drop_pos);
    if (dst_treepath == NULL)
    {
        return FALSE;
    }

    GtkTreeView       *src_widget;
    GtkTreeModel      *src_model;
    GtkTreeSelection  *select;
    hb_preset_index_t *dst_path, *src_path;

    src_widget = tv;
    select     = gtk_tree_view_get_selection (src_widget);
    gtk_tree_selection_get_selected(select, &src_model, &src_iter);

    src_path   = tree_get_index(src_model, &src_iter);
    src_ptype  = preset_get_type(src_path);
    src_folder = preset_is_folder(src_path);

    // Don't allow repositioning of builtin presets
    if (src_ptype != HB_PRESET_TYPE_CUSTOM)
    {
        free(src_path);
        gtk_tree_path_free(dst_treepath);
        dst_treepath = NULL;
        return FALSE;
    }

    dst_path = tree_path_get_index(dst_treepath);
    dst_folder = preset_is_folder(dst_path);

    // Don't allow allow dropping source folders after/before non-folders
    if (src_folder && !dst_folder)
    {
        gtk_tree_path_up(dst_treepath);
        dst_path = tree_path_get_index(dst_treepath);
        dst_folder = preset_is_folder(dst_path);

        drop_pos = GTK_TREE_VIEW_DROP_AFTER;
    }

    // Don't allow dropping folders into other folders, only before/after
    if (src_folder && dst_folder)