···11+open Code_mirror
22+33+let tooltip = Jv.get Jv.global "__CM__tooltip"
44+55+module Tooltip_view = struct
66+ type t = Jv.t
77+88+ include (Jv.Id : Jv.CONV with type t := t)
99+1010+ let dom t = Jv.get t "dom" |> Brr.El.of_jv
1111+1212+ type offset = { x : int; y : int }
1313+ type coords = { left : int; right : int; top : int; bottom : int }
1414+1515+ let offset_of_jv o = { x = Jv.Int.get o "x"; y = Jv.Int.get o "y" }
1616+1717+ let offset_to_jv { x; y } =
1818+ let o = Jv.obj [||] in
1919+ Jv.Int.set o "x" x;
2020+ Jv.Int.set o "y" y;
2121+ o
2222+2323+ let _coords_of_jv o =
2424+ {
2525+ left = Jv.Int.get o "left";
2626+ right = Jv.Int.get o "right";
2727+ top = Jv.Int.get o "top";
2828+ bottom = Jv.Int.get o "bottom";
2929+ }
3030+3131+ let coords_to_jv { left; right; top; bottom } =
3232+ let o = Jv.obj [||] in
3333+ Jv.Int.set o "left" left;
3434+ Jv.Int.set o "right" right;
3535+ Jv.Int.set o "top" top;
3636+ Jv.Int.set o "bottom" bottom;
3737+ o
3838+3939+ let offset t = Jv.get t "offset" |> offset_of_jv
4040+4141+ let create ~dom ?offset ?get_coords ?overlap ?mount ?update ?positioned () =
4242+ let get_coords =
4343+ Option.map
4444+ (fun get_coords ->
4545+ Jv.repr (fun pos -> get_coords (Jv.to_int pos) |> coords_to_jv))
4646+ get_coords
4747+ in
4848+ let o = Jv.obj [||] in
4949+ Jv.set o "dom" (Brr.El.to_jv dom);
5050+ Jv.set_if_some o "offset" @@ Option.map offset_to_jv offset;
5151+ Jv.set_if_some o "getCoords" get_coords;
5252+ Jv.Bool.set_if_some o "overlap" overlap;
5353+ Jv.set_if_some o "mount"
5454+ @@ Option.map
5555+ (fun mount -> Jv.repr (fun view -> mount (Editor.View.of_jv view)))
5656+ mount;
5757+ Jv.set_if_some o "update"
5858+ @@ Option.map
5959+ (fun update ->
6060+ Jv.repr (fun view_up -> update (Editor.View.Update.of_jv view_up)))
6161+ update;
6262+ Jv.set_if_some o "positioned" @@ Option.map Jv.repr positioned;
6363+ o
6464+end
6565+6666+module Tooltip = struct
6767+ type t = Jv.t
6868+6969+ include (Jv.Id : Jv.CONV with type t := t)
7070+7171+ let pos t = Jv.Int.get t "pos"
7272+ let end_ t = Jv.to_option Jv.to_int @@ Jv.get t "end"
7373+7474+ let create ~pos ?end_ ~create ?above ?strict_side ?arrow () =
7575+ let o = Jv.obj [||] in
7676+ Jv.Int.set o "pos" pos;
7777+ Jv.Int.set_if_some o "end" end_;
7878+ Jv.set o "create"
7979+ @@ Jv.repr (fun view ->
8080+ create (Editor.View.of_jv view) |> Tooltip_view.to_jv);
8181+ Jv.Bool.set_if_some o "above" above;
8282+ Jv.Bool.set_if_some o "strictSide" strict_side;
8383+ Jv.Bool.set_if_some o "arrow" arrow;
8484+ o
8585+end
8686+8787+type hover_config = Jv.t
8888+8989+let hover_config ?hide_on_change ?hover_time () =
9090+ let o = Jv.obj [||] in
9191+ Jv.Bool.set_if_some o "hide_on_change" hide_on_change;
9292+ Jv.Int.set_if_some o "hover_time" hover_time;
9393+ o
9494+9595+let hover_tooltip ?config source =
9696+ let source =
9797+ Jv.repr @@ fun view pos side ->
9898+ let fut =
9999+ source ~view:(Editor.View.of_jv view) ~pos:(Jv.to_int pos)
100100+ ~side:(Jv.to_int side)
101101+ in
102102+ let fut = Fut.map (fun v -> Ok v) fut in
103103+ Fut.to_promise fut ~ok:(fun t ->
104104+ Option.value ~default:Jv.null (Option.map Tooltip.to_jv t))
105105+ in
106106+ let args =
107107+ if Option.is_none config then [| source |]
108108+ else [| source; Option.get config |]
109109+ in
110110+ Jv.call tooltip "hoverTooltip" args |> Extension.of_jv
+116
src/tooltip/tooltip.mli
···11+open Code_mirror
22+33+val tooltip : Jv.t
44+(** Global tooltip value *)
55+66+module Tooltip_view : sig
77+ (** Describes the way a tooltip is displayed. *)
88+99+ type t
1010+ (** TooltypeView *)
1111+1212+ include Jv.CONV with type t := t
1313+1414+ val dom : t -> Brr.El.t
1515+ (** The DOM element to position over the editor. *)
1616+1717+ type offset = { x : int; y : int }
1818+ type coords = { left : int; right : int; top : int; bottom : int }
1919+2020+ val offset : t -> offset
2121+2222+ val create :
2323+ dom:Brr.El.t ->
2424+ ?offset:offset ->
2525+ ?get_coords:(int -> coords) ->
2626+ ?overlap:bool ->
2727+ ?mount:(Editor.View.t -> unit) ->
2828+ ?update:(Editor.View.Update.t -> unit) ->
2929+ ?positioned:(unit -> unit) ->
3030+ unit ->
3131+ t
3232+ (** Creates a TooltipView:
3333+3434+ @param dom The DOM element to position over the editor.
3535+ @param offset Adjust the position of the tooltip relative to its anchor
3636+ position.
3737+ @param get_coords This method can be provided to make the tooltip view
3838+ itself responsible for finding its screen position.
3939+ @param overlap By default, tooltips are moved when they overlap with other
4040+ tooltips. Set this to true to disable that behavior for this tooltip.
4141+ @param mount Called after the tooltip is added to the DOM for the first
4242+ time.
4343+ @param update Update the DOM element for a change in the view's state.
4444+ @param positioned Called when the tooltip has been (re)positioned.
4545+4646+ {{:https://codemirror.net/6/docs/ref/#tooltip.TooltipView} See the
4747+ reference for additional information.} *)
4848+end
4949+5050+(** Creates a Tooltip:
5151+5252+ @param pos The document position at which to show the tooltip.
5353+ @param end The end of the range annotated by this tooltip, if different from
5454+ pos.
5555+ @param create A constructor function that creates the tooltip's DOM
5656+ representation.
5757+ @param above Whether the tooltip should be shown above or below the target
5858+ position.
5959+ @param strict_side Whether the above option should be honored when there
6060+ isn't enough space on that side to show the tooltip inside the viewport.
6161+ @param arrow When set to true, show a triangle connecting the tooltip element
6262+ to position pos.
6363+6464+ {{:https://codemirror.net/6/docs/ref/#tooltip.Tooltip} See the
6565+ reference for additional information.} *)
6666+module Tooltip : sig
6767+ (** Describes a tooltip. Values of this type, when provided through the
6868+ show_tooltip facet, control the individual tooltips on the editor. *)
6969+7070+ type t
7171+ (** Tooltip *)
7272+7373+ include Jv.CONV with type t := t
7474+7575+ val pos : t -> int
7676+ (** The document position at which to show the tooltip. *)
7777+7878+ val end_ : t -> int option
7979+ (** The end of the range annotated by this tooltip, if different from pos. *)
8080+8181+ val create :
8282+ pos:int ->
8383+ ?end_:int ->
8484+ create:(Editor.View.t -> Tooltip_view.t) ->
8585+ ?above:bool ->
8686+ ?strict_side:bool ->
8787+ ?arrow:bool ->
8888+ unit ->
8989+ t
9090+end
9191+9292+type hover_config
9393+9494+val hover_config :
9595+ ?hide_on_change:bool -> ?hover_time:int -> unit -> hover_config
9696+(** Options for hover tooltips:
9797+9898+ @param hover_on_change When enabled (this defaults to false), close the
9999+ tooltip whenever the document changes.
100100+@param hover_time Hover time after which the tooltip should appear, in
101101+milliseconds. Defaults to 300ms. *)
102102+103103+val hover_tooltip :
104104+ ?config:hover_config ->
105105+ (view:Editor.View.t -> pos:int -> side:int -> Tooltip.t option Fut.t) ->
106106+ Extension.t
107107+(** Enable a hover tooltip, which shows up when the pointer hovers over ranges
108108+ of text. The callback is called when the mouse hovers over the document text.
109109+ It should, if there is a tooltip associated with position pos return the
110110+ tooltip description (either directly or in a promise). The side argument
111111+ indicates on which side of the position the pointer is—it will be -1 if the
112112+ pointer is before the position, 1 if after the position.
113113+114114+ Note that all hover tooltips are hosted within a single tooltip container
115115+ element. This allows multiple tooltips over the same range to be "merged"
116116+ together without overlapping. *)