+(defbinding %tree-path-free () nil
+ (location pointer))
+
+(defbinding %tree-path-get-indices () pointer
+ (location pointer))
+
+(defbinding %tree-path-get-depth () int
+ (location pointer))
+
+(defun %make-tree-path (path)
+ (let ((c-vector (make-c-vector 'int (length path) path))
+ (location (allocate-memory (+ (size-of 'int) (size-of 'pointer)))))
+ (funcall (writer-function 'int) (length path) location)
+ (funcall (writer-function 'pointer) c-vector location (size-of 'int))
+ location))
+
+(defun %tree-path-to-vector (location &optional (destroy-p t))
+ (prog1
+ (map-c-vector 'vector #'identity (%tree-path-get-indices location)
+ 'int (%tree-path-get-depth location))
+ (when destroy-p
+ (%tree-path-free location))))
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defmethod alien-type ((type (eql 'tree-path)) &rest args)
+ (declare (ignore type args))
+ (alien-type 'pointer))
+
+ (defmethod size-of ((type (eql 'tree-path)) &rest args)
+ (declare (ignore type args))
+ (size-of 'pointer))
+
+ (defmethod to-alien-form (path (type (eql 'tree-path)) &rest args)
+ (declare (ignore type args))
+ `(%make-tree-path ,path))
+
+ (defmethod to-alien-function ((type (eql 'tree-path)) &rest args)
+ (declare (ignore type args))
+ #'%make-tree-path)
+
+ (defmethod from-alien-form (location (type (eql 'tree-path)) &rest args)
+ (declare (ignore type args))
+ `(%tree-path-to-vector ,location))
+
+ (defmethod from-alien-function ((type (eql 'tree-path)) &rest args)
+ (declare (ignore type args))
+ #'%tree-path-to-vector)
+
+ (defmethod cleanup-form (location (type (eql 'tree-path)) &rest args)
+ (declare (ignore type args))
+ `(%tree-path-free ,location))
+
+ (defmethod cleanup-function ((type (eql 'tree-path)) &rest args)
+ (declare (ignore type args))
+ #'%tree-path-free))
+
+
+(defbinding %tree-row-reference-new () pointer
+ (model tree-model)
+ (path tree-path))
+
+(defmethod initialize-instance ((reference tree-row-reference) &key model path)
+ (declare (ignore initargs))
+ (setf
+ (slot-value reference 'location)
+ (%tree-row-reference-new model path))
+ (call-next-method))
+
+(defbinding tree-row-reference-get-path () tree-path
+ (reference tree-row-reference))
+
+(defbinding (tree-row-reference-valid-p "gtk_tree_row_reference_valid") () boolean
+ (reference tree-row-reference))
+
+
+(defbinding tree-model-get-column-type () type-number
+ (tree-model tree-model)
+ (index int))
+
+(defbinding tree-model-get-iter
+ (model path &optional (iter (make-instance 'tree-iter))) boolean
+ (model tree-model)
+ (iter tree-iter :return)
+ (path tree-path))
+
+(defbinding tree-model-get-path () tree-path
+ (tree-model tree-model)
+ (iter tree-iter))
+
+(defbinding %tree-model-get-value () nil
+ (tree-model tree-model)
+ (iter tree-iter)
+ (column int)
+ (gvalue gvalue))
+
+(defun tree-model-get-column-value (model iter column)
+ (let ((index (column-index model column)))
+ (with-gvalue (gvalue (tree-model-get-column-type model index))
+ (%tree-model-get-value model iter index gvalue))))
+
+(defbinding tree-model-iter-next () boolean
+ (tree-model tree-model)
+ (iter tree-iter :return))
+
+(defbinding tree-model-iter-children
+ (tree-model parent &optional (iter (make-instance 'tree-iter))) boolean
+ (tree-model tree-model)
+ (iter tree-iter :return)
+ (parent (or null tree-iter)))
+
+(defbinding (tree-model-iter-has-child-p "gtk_tree_model_iter_has_child")
+ () boolean
+ (tree-model tree-model)
+ (iter tree-iter))
+
+(defbinding tree-model-iter-n-children () int
+ (tree-model tree-model)
+ (iter tree-iter))
+
+(defbinding tree-model-iter-nth-child
+ (tree-model parent &optional (iter (make-instance 'tree-iter))) boolean
+ (tree-model tree-model)
+ (iter tree-iter :return)
+ (parent (or null tree-iter))
+ (n int))
+
+(defbinding tree-model-iter-parent
+ (tree-model child &optional (iter (make-instance 'tree-iter))) boolean
+ (tree-model tree-model)
+ (iter tree-iter :return)
+ (child tree-iter))
+
+(defbinding tree-model-get-string-from-iter () string
+ (tree-model tree-model)
+ (iter tree-iter))
+
+(def-callback-marshal %tree-model-foreach-func
+ (boolean tree-model tree-path tree-iter))
+
+(defbinding %tree-model-foreach () nil
+ (tree-model tree-model)
+ ((callback %tree-model-foreach-func) pointer)
+ (callback-id unsigned-int))
+
+(defun tree-model-foreach (model function)
+ (with-callback-function (id function)
+ (%tree-model-foreach model id)))
+
+(defbinding tree-model-row-changed () nil
+ (tree-model tree-model)
+ (path tree-path)
+ (iter tree-iter))
+
+(defbinding tree-model-row-inserted () nil
+ (tree-model tree-model)
+ (path tree-path)
+ (iter tree-iter))
+
+(defbinding tree-model-row-has-child-toggled () nil
+ (tree-model tree-model)
+ (path tree-path)
+ (iter tree-iter))
+
+(defbinding tree-model-row-deleted () nil
+ (tree-model tree-model)
+ (path tree-path)
+ (iter tree-iter))
+
+(defbinding tree-model-rows-reordered () nil
+ (tree-model tree-model)
+ (path tree-path)
+ (iter tree-iter)
+ (new-order int))
+
+
+(defun column-types (model columns)
+ (map 'vector
+ #'(lambda (column)
+ (find-type-number (first (mklist column))))
+ columns))
+
+(defun column-index (model column)
+ (or
+ (etypecase column
+ (number column)
+ (symbol (position column (object-data model 'column-names)))
+ (string (position column (object-data model 'column-names)
+ :test #'string=)))
+ (error "~A has no column ~S" model column)))
+
+(defun tree-model-column-value-setter (model column)
+ (let ((setters (or
+ (object-data model 'column-setters)
+ (setf
+ (object-data model 'column-setters)
+ (make-array (tree-model-n-columns model)
+ :initial-element nil)))))
+ (let ((index (column-index model column)))
+ (or
+ (svref setters index)
+ (setf
+ (svref setters index)
+ (let ((setter
+ (mkbinding (column-setter-name model)
+ nil (type-of model) 'tree-iter 'int
+ (type-from-number (tree-model-get-column-type model index))
+ 'int)))
+ #'(lambda (value iter)
+ (funcall setter model iter index value -1))))))))
+
+(defun tree-model-row-setter (model)
+ (or
+ (object-data model 'row-setter)
+ (progn
+ ;; This will create any missing column setter
+ (loop
+ for i from 0 below (tree-model-n-columns model)
+ do (tree-model-column-value-setter model i))
+ (let ((setters (object-data model 'column-setters)))
+ (setf
+ (object-data model 'row-setter)
+ #'(lambda (row iter)
+ (map nil #'(lambda (value setter)
+ (funcall setter value iter))
+ row setters)))))))
+
+(defun (setf tree-model-column-value) (value model iter column)
+ (funcall (tree-model-column-value-setter model column) value iter)
+ value)
+
+(defun (setf tree-model-row-data) (data model iter)
+ (funcall (tree-model-row-setter model) data iter)
+ data)
+
+(defun %tree-model-set (model iter data)
+ (etypecase data
+ (vector (setf (tree-model-row-data model iter) data))
+ (cons
+ (loop
+ as (column value . rest) = data then rest
+ do (setf (tree-model-column-value model iter column) value)
+ while rest))))