This file is indexed.

/usr/lib/ocaml/lablgtk2/gtkTree.ml is in liblablgtk2-ocaml-dev 2.18.3+dfsg-1build1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
(**************************************************************************)
(*                Lablgtk                                                 *)
(*                                                                        *)
(*    This program is free software; you can redistribute it              *)
(*    and/or modify it under the terms of the GNU Library General         *)
(*    Public License as published by the Free Software Foundation         *)
(*    version 2, with the exception described in file COPYING which       *)
(*    comes with the library.                                             *)
(*                                                                        *)
(*    This program is distributed in the hope that it will be useful,     *)
(*    but WITHOUT ANY WARRANTY; without even the implied warranty of      *)
(*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the       *)
(*    GNU Library General Public License for more details.                *)
(*                                                                        *)
(*    You should have received a copy of the GNU Library General          *)
(*    Public License along with this program; if not, write to the        *)
(*    Free Software Foundation, Inc., 59 Temple Place, Suite 330,         *)
(*    Boston, MA 02111-1307  USA                                          *)
(*                                                                        *)
(*                                                                        *)
(**************************************************************************)

(* $Id$ *)

open Gaux
open Gtk
open Tags
open GtkTreeProps
open GtkBase

external _gtktree_init : unit -> unit = "ml_gtktree_init"
let () = _gtktree_init ()

module TreePath = struct
  external create_ : unit -> tree_path = "ml_gtk_tree_path_new"
  external from_string : string -> tree_path
    = "ml_gtk_tree_path_new_from_string"
  external to_string : tree_path -> string = "ml_gtk_tree_path_to_string"
  external append_index : tree_path -> int -> unit
    = "ml_gtk_tree_path_append_index"
  let create l =
    let p = create_ () in List.iter (append_index p) l; p
  external prepend_index : tree_path -> int -> unit
    = "ml_gtk_tree_path_prepend_index"
  external get_depth : tree_path -> int
    = "ml_gtk_tree_path_get_depth"
  external get_indices : tree_path -> int array
    = "ml_gtk_tree_path_get_indices"
  external copy : tree_path -> tree_path = "ml_gtk_tree_path_copy"
  external next : tree_path -> unit = "ml_gtk_tree_path_next"
  external prev : tree_path -> bool = "ml_gtk_tree_path_prev"
  external up : tree_path -> bool = "ml_gtk_tree_path_up"
  external down : tree_path -> unit = "ml_gtk_tree_path_down"
  external is_ancestor : tree_path -> tree_path -> bool
    = "ml_gtk_tree_path_is_ancestor"
  open Gobject
  open Data
  let () =
    Internal.tree_path_string :=
      {kind=`STRING; inj=(fun x -> string.inj (to_string x));
       proj=(fun x -> from_string (string.proj x))};
    Internal.tree_path_copy :=
      {kind=`POINTER; inj=unsafe_pointer.inj;
       proj=(fun x -> copy (unsafe_pointer.proj x))}
end

module RowReference = struct
  external create : [>`treemodel] obj -> tree_path -> row_reference
    = "ml_gtk_tree_row_reference_new"
  external get_path : row_reference -> tree_path
    = "ml_gtk_tree_row_reference_get_path"
  external valid : row_reference -> bool
    = "ml_gtk_tree_row_reference_valid"
end

module TreeModel = struct
  let cast w : tree_model obj = Object.try_cast w "GtkTreeModel"
  external get_flags : [>`treemodel] obj -> GtkEnums.tree_model_flags list
    = "ml_gtk_tree_model_get_flags"
  external get_n_columns : [>`treemodel] obj -> int
    = "ml_gtk_tree_model_get_n_columns"
  external get_column_type : [>`treemodel] obj -> int -> Gobject.g_type
    = "ml_gtk_tree_model_get_column_type"
  external alloc_iter : unit -> tree_iter = "ml_alloc_GtkTreeIter"
  external copy_iter : tree_iter -> tree_iter = "ml_gtk_tree_iter_copy"
  external get_iter : [>`treemodel] obj -> tree_iter -> tree_path -> bool
    = "ml_gtk_tree_model_get_iter"
  let get_iter m p =
    let i = alloc_iter () in
    if get_iter m i p then i else failwith "GtkTree.TreeModel.get_iter"
  external get_path : [>`treemodel] obj -> tree_iter -> tree_path
    = "ml_gtk_tree_model_get_path"
  external get_value :
    [>`treemodel] obj -> row:tree_iter -> column:int -> Gobject.g_value -> unit
    = "ml_gtk_tree_model_get_value"
  external _get_iter_first : [>`treemodel] obj -> tree_iter -> bool
    = "ml_gtk_tree_model_get_iter_first"
  let get_iter_first m =
    let i = alloc_iter () in
    if _get_iter_first m i then Some i else None
  external iter_next : [>`treemodel] obj -> tree_iter -> bool
    = "ml_gtk_tree_model_iter_next"
  external iter_has_child : [>`treemodel] obj -> tree_iter -> bool
    = "ml_gtk_tree_model_iter_has_child"
  external iter_n_children : [>`treemodel] obj -> tree_iter option -> int
    = "ml_gtk_tree_model_iter_n_children"
  external iter_nth_child : [>`treemodel] obj -> tree_iter -> parent:tree_iter option -> int -> bool
    = "ml_gtk_tree_model_iter_nth_child"
  let iter_children m ?(nth=0) p =
    let i = alloc_iter () in
    if iter_nth_child m i p nth then i
    else invalid_arg "GtkTree.TreeModel.iter_children"
  external iter_parent :
    [>`treemodel] obj -> tree_iter -> child:tree_iter -> bool
    = "ml_gtk_tree_model_iter_parent"
  let iter_parent m child =
    let i = alloc_iter () in
    if iter_parent m i ~child then Some i else None
  external foreach : [>`treemodel] obj -> (tree_path -> tree_iter -> bool) -> unit
    = "ml_gtk_tree_model_foreach"
  external row_changed : [>`treemodel] obj -> tree_path -> tree_iter -> unit
    = "ml_gtk_tree_model_row_changed"
end

module TreeStore = struct
  open TreeModel
  let cast w : tree_store = Object.try_cast w "GtkTreeStore"
  external create : Gobject.g_type array -> tree_store
    = "ml_gtk_tree_store_newv"
  external set_value :
    tree_store -> row:tree_iter -> column:int -> Gobject.g_value -> unit
    = "ml_gtk_tree_store_set_value"
  external remove : tree_store -> tree_iter -> bool
    = "ml_gtk_tree_store_remove"
  external insert :
    tree_store -> iter:tree_iter -> ?parent:tree_iter -> int -> unit
    = "ml_gtk_tree_store_insert"
  let insert st ?parent pos =
    let iter = alloc_iter () in insert st ~iter ?parent pos; iter
  external insert_before :
    tree_store -> iter:tree_iter -> ?parent:tree_iter -> tree_iter -> unit
    = "ml_gtk_tree_store_insert_before"
  let insert_before st ?parent pos =
    let iter = alloc_iter () in insert_before st ~iter ?parent pos; iter
  external insert_after :
    tree_store -> iter:tree_iter -> ?parent:tree_iter -> tree_iter -> unit
    = "ml_gtk_tree_store_insert_after"
  let insert_after st ?parent pos =
    let iter = alloc_iter () in insert_after st ~iter ?parent pos; iter
  external append : tree_store -> iter:tree_iter -> ?parent:tree_iter -> unit
    = "ml_gtk_tree_store_append"
  let append st ?parent () =
    let iter = alloc_iter () in append st ~iter ?parent; iter
  external prepend : tree_store -> iter:tree_iter -> ?parent:tree_iter -> unit
    = "ml_gtk_tree_store_prepend"
  let prepend st ?parent () =
    let iter = alloc_iter () in prepend st ~iter ?parent; iter
  external is_ancestor :
    tree_store -> iter:tree_iter -> descendant:tree_iter -> bool
    = "ml_gtk_tree_store_is_ancestor"
  external iter_depth : tree_store -> tree_iter -> int
    = "ml_gtk_tree_store_iter_depth"
  external clear : tree_store -> unit
    = "ml_gtk_tree_store_clear"
  external iter_is_valid : tree_store -> tree_iter -> bool
    = "ml_gtk_tree_store_iter_is_valid"
  external swap : tree_store -> tree_iter -> tree_iter -> bool
    = "ml_gtk_tree_store_swap"
  external move_before : tree_store -> iter:tree_iter -> pos:tree_iter -> bool
    = "ml_gtk_tree_store_move_before"
  external move_after : tree_store -> iter:tree_iter -> pos:tree_iter -> bool
    = "ml_gtk_tree_store_move_after"
end

module ListStore = struct
  open TreeModel
  let cast w : list_store = Object.try_cast w "GtkListStore"
  external create : Gobject.g_type array -> list_store
    = "ml_gtk_list_store_newv"
  external set_value :
    list_store -> row:tree_iter -> column:int -> Gobject.g_value -> unit
    = "ml_gtk_list_store_set_value"
  external remove : list_store -> tree_iter -> bool
    = "ml_gtk_list_store_remove"
  external insert : list_store -> iter:tree_iter -> int -> unit
    = "ml_gtk_list_store_insert"
  let insert st pos =
    let iter = alloc_iter () in insert st ~iter pos; iter
  external insert_before : list_store -> iter:tree_iter -> tree_iter -> unit
    = "ml_gtk_list_store_insert_before"
  let insert_before st pos =
    let iter = alloc_iter () in insert_before st ~iter pos; iter
  external insert_after : list_store -> iter:tree_iter -> tree_iter -> unit
    = "ml_gtk_list_store_insert_after"
  let insert_after st pos =
    let iter = alloc_iter () in insert_after st ~iter pos; iter
  external append : list_store -> iter:tree_iter -> unit
    = "ml_gtk_list_store_append"
  let append st () =
    let iter = alloc_iter () in append st ~iter; iter
  external prepend : list_store -> iter:tree_iter -> unit
    = "ml_gtk_list_store_prepend"
  let prepend st () =
    let iter = alloc_iter () in prepend st ~iter; iter
  external clear : list_store -> unit
    = "ml_gtk_list_store_clear"
  external iter_is_valid : list_store -> tree_iter -> bool
    = "ml_gtk_list_store_iter_is_valid"
  external swap : list_store -> tree_iter -> tree_iter -> bool
    = "ml_gtk_list_store_swap"
  external move_before : list_store -> iter:tree_iter -> pos:tree_iter -> bool
    = "ml_gtk_list_store_move_before"
  external move_after : list_store -> iter:tree_iter -> pos:tree_iter -> bool
    = "ml_gtk_list_store_move_after"
end

module TreeSelection = struct
  include TreeSelection
  external set_mode : tree_selection -> selection_mode -> unit
    = "ml_gtk_tree_selection_set_mode"
  external get_mode : tree_selection -> selection_mode
    = "ml_gtk_tree_selection_get_mode"
  external set_select_function :
    tree_selection -> (tree_path -> bool -> bool) -> unit
    = "ml_gtk_tree_selection_set_select_function"
  external selected_foreach : tree_selection -> (tree_path -> unit) -> unit
    = "ml_gtk_tree_selection_selected_foreach"
  let get_selected_rows s =
    let l = ref [] in selected_foreach s (fun p -> l := p :: !l);
    List.rev !l
  external count_selected_rows : tree_selection -> int
    = "ml_gtk_tree_selection_count_selected_rows"
  external select_path : tree_selection -> tree_path -> unit
    = "ml_gtk_tree_selection_select_path"
  external path_is_selected : tree_selection -> tree_path -> bool
    = "ml_gtk_tree_selection_path_is_selected"
  external unselect_path : tree_selection -> tree_path -> unit
    = "ml_gtk_tree_selection_unselect_path"
  external select_iter : tree_selection -> tree_iter -> unit
    = "ml_gtk_tree_selection_select_iter"
  external unselect_iter : tree_selection -> tree_iter -> unit
    = "ml_gtk_tree_selection_unselect_iter"
  external iter_is_selected : tree_selection -> tree_iter -> bool
    = "ml_gtk_tree_selection_iter_is_selected"
  external select_all : tree_selection -> unit
    = "ml_gtk_tree_selection_select_all"
  external unselect_all : tree_selection -> unit
    = "ml_gtk_tree_selection_unselect_all"
  external select_range : tree_selection -> tree_path -> tree_path -> unit
    = "ml_gtk_tree_selection_select_range"
  external unselect_range : tree_selection -> tree_path -> tree_path -> unit
    = "ml_gtk_tree_selection_unselect_range"
end

module TreeViewColumn = struct
  include TreeViewColumn
  external clear : 
    [>`treeviewcolumn] obj -> unit
    = "ml_gtk_tree_view_column_clear"
  external pack_start :
    [>`treeviewcolumn] obj -> [>`cellrenderer] obj -> bool -> unit
    = "ml_gtk_tree_view_column_pack_start"
  external pack_end :
    [>`treeviewcolumn] obj -> [>`cellrenderer] obj -> bool -> unit
    = "ml_gtk_tree_view_column_pack_end"
  external clear_attributes : 
    [>`treeviewcolumn] obj -> [>`cellrenderer] obj -> unit
    = "ml_gtk_tree_view_column_clear_attributes"
  let pack obj ?(expand=true) ?(from:[`START|`END]=`START) crr =
    (if from = `START then pack_start else pack_end)
      obj crr expand
  external add_attribute :
    [>`treeviewcolumn] obj -> [>`cellrenderer] obj -> string -> int -> unit
    = "ml_gtk_tree_view_column_add_attribute"
  external set_sort_column_id : [>`treeviewcolumn] obj -> int -> unit	
    = "ml_gtk_tree_view_column_set_sort_column_id"      
  external get_sort_column_id : [>`treeviewcolumn] obj -> int
    = "ml_gtk_tree_view_column_get_sort_column_id"
  external set_cell_data_func : 
    [>`treeviewcolumn] obj -> [>`cellrenderer] obj -> 
    ([`treemodel] obj -> tree_iter -> unit) option -> unit
  = "ml_gtk_tree_view_column_set_cell_data_func"
  external get_button :
    [>`treeviewcolumn] obj -> Gtk.button obj
    = "ml_gtk_tree_view_column_get_button"
end

module TreeView = struct
  include TreeView
  external get_selection : [>`treeview] obj -> tree_selection
    = "ml_gtk_tree_view_get_selection"
  external columns_autosize : [>`treeview] obj -> unit
    = "ml_gtk_tree_view_columns_autosize"
  external append_column : [>`treeview] obj -> [>`treeviewcolumn] obj -> int
    = "ml_gtk_tree_view_append_column"
  external remove_column : [>`treeview] obj -> [>`treeviewcolumn] obj -> int
    = "ml_gtk_tree_view_remove_column"
  external insert_column :
    [>`treeview] obj -> [>`treeviewcolumn] obj -> int -> int
    = "ml_gtk_tree_view_insert_column"
  external get_column : [>`treeview] obj -> int -> tree_view_column obj
    = "ml_gtk_tree_view_get_column"
  external move_column_after :
    [>`treeview] obj -> [>`treeviewcolumn] obj -> [>`treeviewcolumn] obj -> int
    = "ml_gtk_tree_view_move_column_after"
  external scroll_to_point : [>`treeview] obj -> int -> int -> unit
    = "ml_gtk_tree_view_scroll_to_point"
  external scroll_to_cell :
    [>`treeview] obj -> tree_path -> [>`treeviewcolumn] obj ->
    ?align:(float * float) -> unit
    = "ml_gtk_tree_view_scroll_to_cell"
  let scroll_to_cell v ?align = scroll_to_cell v ?align
  external row_activated :
    [>`treeview] obj -> tree_path -> [>`treeviewcolumn] obj -> unit
    = "ml_gtk_tree_view_row_activated"
  external expand_all : [>`treeview] obj -> unit
    = "ml_gtk_tree_view_expand_all"
  external collapse_all : [>`treeview] obj -> unit
    = "ml_gtk_tree_view_collapse_all"
  external expand_row :
    [>`treeview] obj -> tree_path -> all:bool -> unit
    = "ml_gtk_tree_view_expand_row"
  external expand_to_path :
    [>`treeview] obj -> tree_path -> unit
    = "ml_gtk_tree_view_expand_to_path"
  external collapse_row : [>`treeview] obj -> tree_path -> unit
    = "ml_gtk_tree_view_collapse_row"
  external row_expanded : [>`treeview] obj -> tree_path -> bool
    = "ml_gtk_tree_view_row_expanded"
  external set_cursor :
    [>`treeview] obj ->
    tree_path -> [>`treeviewcolumn] obj -> edit:bool -> unit
    = "ml_gtk_tree_view_set_cursor"
  external set_cursor_on_cell :
    [>`treeview] obj -> tree_path ->
    [>`treeviewcolumn] obj -> [>`cellrenderer] obj -> edit:bool -> unit
    = "ml_gtk_tree_view_set_cursor_on_cell"
  external get_cursor :
    [>`treeview] obj -> tree_path option * tree_view_column obj option
    = "ml_gtk_tree_view_get_cursor"
  external get_path_at_pos :
    [>`treeview] obj -> x:int -> y:int ->
    (tree_path * tree_view_column obj * int * int) option
    = "ml_gtk_tree_view_get_path_at_pos"
  external get_cell_area :
    [>`treeview] obj -> ?path:tree_path ->
    ?col:tree_view_column obj -> unit -> Gdk.Rectangle.t
    = "ml_gtk_tree_view_get_cell_area"
  external set_row_separator_func :
    [>`treeview] obj ->
    (Gtk.tree_model -> Gtk.tree_iter -> bool) option -> unit
    = "ml_gtk_tree_view_set_row_separator_func"
  
  (** @since GTK 2.12 *)
  module Tooltip = struct
    external set_cell :
      [>`treeview] obj -> Gtk.tooltip ->
      ?path:Gtk.tree_path ->
      ?col:tree_view_column obj ->
      ?cell:[>`cellrenderer] obj ->
      unit -> unit
      = "ml_gtk_tree_view_set_tooltip_cell_bc" "ml_gtk_tree_view_set_tooltip_cell"
    external set_row :
      [>`treeview] obj -> Gtk.tooltip -> Gtk.tree_path -> unit
      = "ml_gtk_tree_view_set_tooltip_row"
    external get_context :
      [>`treeview] obj ->
      x: int -> y: int -> kbd: bool ->
      (int * int * (Gtk.tree_model * Gtk.tree_path * Gtk.tree_iter) option)
      = "ml_gtk_tree_view_get_tooltip_context"
    external get_column :
      [>`treeview] obj -> int
      = "ml_gtk_tree_view_get_tooltip_column"
    external set_column :
      [>`treeview] obj -> int -> unit
      = "ml_gtk_tree_view_set_tooltip_column"
  end
  
  module Dnd = struct
    external get_dest_row_at_pos :
      [>`treeview] obj ->
      x: int -> y: int ->
      ( Gtk.tree_path
      * GtkEnums.tree_view_drop_position ) option
      = "ml_gtk_tree_view_get_dest_row_at_pos"
    external enable_model_drag_dest :
      [>`treeview] obj ->
      targets: target_entry array ->
      actions: Gdk.Tags.drag_action list -> unit
      = "ml_gtk_tree_view_enable_model_drag_dest"
    external unset_rows_drag_dest :
      [>`treeview] obj -> unit
      = "ml_gtk_tree_view_unset_rows_drag_dest"
    external enable_model_drag_source :
      [>`treeview] obj ->
      ?modi: Gdk.Tags.modifier list ->
      targets: target_entry array ->
      actions: Gdk.Tags.drag_action list -> unit
      = "ml_gtk_tree_view_enable_model_drag_source"
    external unset_rows_drag_source :
      [>`treeview] obj -> unit
      = "ml_gtk_tree_view_unset_rows_drag_source"
  end
end

module CellRenderer = CellRenderer

module CellRendererPixbuf = CellRendererPixbuf

module CellRendererText = CellRendererText

module CellRendererToggle = CellRendererToggle

module CellRendererProgress = CellRendererProgress

module CellRendererCombo = CellRendererCombo

module CellRendererAccel = CellRendererAccel

module CellLayout = struct
  include GtkTreeProps.CellLayout
  let pack layout 
    ?(expand=false) ?from:( dir = (`START : pack_type)) renderer =
    (match dir with `START -> pack_start | `END -> pack_end)
      layout renderer ~expand
end

module TreeModelSort = TreeModelSort

module TreeSortable = TreeSortable

module TreeModelFilter = TreeModelFilter

module IconView = IconView

module CustomModel = struct
  
  (* Do not change the name of this methods: they are hard coded in ml_gtktree.c.
     They must remain public. *)
  class virtual ['row,'a,'b,'c] callback = object
    method virtual custom_encode_iter : 'row -> 'a * 'b * 'c
    method virtual custom_decode_iter : 'a -> 'b -> 'c -> 'row
    method virtual custom_n_columns : int
    method virtual custom_get_column_type : int -> Gobject.g_type
    method virtual custom_get_iter : Gtk.tree_path -> 'row option
    method virtual custom_get_path : 'row -> Gtk.tree_path
    method virtual custom_get_value : 'row -> int -> Gobject.g_value -> unit
    method virtual custom_iter_next : 'row -> 'row option
    method virtual custom_iter_children : 'row option -> 'row option
    method virtual custom_iter_has_child : 'row -> bool
    method virtual custom_iter_n_children : 'row option -> int
    method virtual custom_iter_nth_child : 'row option -> int -> 'row option
    method virtual custom_iter_parent : 'row -> 'row option
    method custom_ref_node (_:'row) : unit = ()
    method custom_unref_node (_:'row) : unit = ()
  end
  
  external create : unit -> tree_model_custom = "ml_custom_model_create"

  external register_callback : 
    tree_model_custom -> ('row,'a,'b,'c) #callback -> unit = 
    "ml_register_custom_model_callback_object"
      
  external custom_row_inserted : tree_model_custom -> Gtk.tree_path -> 'row -> unit =
    "ml_custom_model_row_inserted"
  external custom_row_changed : tree_model_custom -> Gtk.tree_path -> 'row -> unit =
    "ml_custom_model_row_changed"
  external custom_row_has_child_toggled : tree_model_custom -> Gtk.tree_path -> 'row -> unit =
    "ml_custom_model_row_has_child_toggled"
  external custom_row_deleted : tree_model_custom -> 'row -> unit =
    "ml_custom_model_row_deleted"
  external custom_rows_reordered : tree_model_custom -> Gtk.tree_path -> 'row option -> int array -> unit =
    "ml_custom_model_rows_reordered"
end