jon.recoil.org
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Partial tooltip bindings
Format tooltip
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src/tooltip/dune
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src/tooltip/dune
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src/tooltip/tooltip.ml
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src/tooltip/tooltip.ml
···
···
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open Code_mirror
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let tooltip = Jv.get Jv.global "__CM__tooltip"
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module Tooltip_view = struct
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type t = Jv.t
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include (Jv.Id : Jv.CONV with type t := t)
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let dom t = Jv.get t "dom" |> Brr.El.of_jv
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type offset = { x : int; y : int }
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type coords = { left : int; right : int; top : int; bottom : int }
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let offset_of_jv o = { x = Jv.Int.get o "x"; y = Jv.Int.get o "y" }
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let offset_to_jv { x; y } =
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let o = Jv.obj [||] in
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Jv.Int.set o "x" x;
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Jv.Int.set o "y" y;
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o
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let _coords_of_jv o =
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{
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left = Jv.Int.get o "left";
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right = Jv.Int.get o "right";
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top = Jv.Int.get o "top";
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bottom = Jv.Int.get o "bottom";
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}
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let coords_to_jv { left; right; top; bottom } =
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let o = Jv.obj [||] in
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Jv.Int.set o "left" left;
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Jv.Int.set o "right" right;
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Jv.Int.set o "top" top;
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Jv.Int.set o "bottom" bottom;
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o
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let offset t = Jv.get t "offset" |> offset_of_jv
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let create ~dom ?offset ?get_coords ?overlap ?mount ?update ?positioned () =
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let get_coords =
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Option.map
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(fun get_coords ->
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Jv.repr (fun pos -> get_coords (Jv.to_int pos) |> coords_to_jv))
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get_coords
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in
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let o = Jv.obj [||] in
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Jv.set o "dom" (Brr.El.to_jv dom);
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Jv.set_if_some o "offset" @@ Option.map offset_to_jv offset;
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Jv.set_if_some o "getCoords" get_coords;
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Jv.Bool.set_if_some o "overlap" overlap;
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Jv.set_if_some o "mount"
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@@ Option.map
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(fun mount -> Jv.repr (fun view -> mount (Editor.View.of_jv view)))
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mount;
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Jv.set_if_some o "update"
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@@ Option.map
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(fun update ->
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Jv.repr (fun view_up -> update (Editor.View.Update.of_jv view_up)))
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update;
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Jv.set_if_some o "positioned" @@ Option.map Jv.repr positioned;
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o
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end
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module Tooltip = struct
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type t = Jv.t
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include (Jv.Id : Jv.CONV with type t := t)
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let pos t = Jv.Int.get t "pos"
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let end_ t = Jv.to_option Jv.to_int @@ Jv.get t "end"
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let create ~pos ?end_ ~create ?above ?strict_side ?arrow () =
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let o = Jv.obj [||] in
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Jv.Int.set o "pos" pos;
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Jv.Int.set_if_some o "end" end_;
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Jv.set o "create"
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@@ Jv.repr (fun view ->
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create (Editor.View.of_jv view) |> Tooltip_view.to_jv);
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Jv.Bool.set_if_some o "above" above;
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Jv.Bool.set_if_some o "strictSide" strict_side;
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Jv.Bool.set_if_some o "arrow" arrow;
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o
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end
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type hover_config = Jv.t
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let hover_config ?hide_on_change ?hover_time () =
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let o = Jv.obj [||] in
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Jv.Bool.set_if_some o "hide_on_change" hide_on_change;
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Jv.Int.set_if_some o "hover_time" hover_time;
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o
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let hover_tooltip ?config source =
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let source =
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Jv.repr @@ fun view pos side ->
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let fut =
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source ~view:(Editor.View.of_jv view) ~pos:(Jv.to_int pos)
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~side:(Jv.to_int side)
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in
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let fut = Fut.map (fun v -> Ok v) fut in
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Fut.to_promise fut ~ok:(fun t ->
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Option.value ~default:Jv.null (Option.map Tooltip.to_jv t))
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in
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let args =
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if Option.is_none config then [| source |]
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else [| source; Option.get config |]
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in
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Jv.call tooltip "hoverTooltip" args |> Extension.of_jv
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src/tooltip/tooltip.mli
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src/tooltip/tooltip.mli
···
···
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open Code_mirror
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val tooltip : Jv.t
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(** Global tooltip value *)
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module Tooltip_view : sig
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(** Describes the way a tooltip is displayed. *)
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type t
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(** TooltypeView *)
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include Jv.CONV with type t := t
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val dom : t -> Brr.El.t
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(** The DOM element to position over the editor. *)
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type offset = { x : int; y : int }
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type coords = { left : int; right : int; top : int; bottom : int }
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val offset : t -> offset
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val create :
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dom:Brr.El.t ->
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?offset:offset ->
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?get_coords:(int -> coords) ->
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?overlap:bool ->
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?mount:(Editor.View.t -> unit) ->
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?update:(Editor.View.Update.t -> unit) ->
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?positioned:(unit -> unit) ->
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unit ->
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t
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(** Creates a TooltipView:
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@param dom The DOM element to position over the editor.
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@param offset Adjust the position of the tooltip relative to its anchor
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position.
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@param get_coords This method can be provided to make the tooltip view
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itself responsible for finding its screen position.
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@param overlap By default, tooltips are moved when they overlap with other
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tooltips. Set this to true to disable that behavior for this tooltip.
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@param mount Called after the tooltip is added to the DOM for the first
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time.
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@param update Update the DOM element for a change in the view's state.
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@param positioned Called when the tooltip has been (re)positioned.
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{{:https://codemirror.net/6/docs/ref/#tooltip.TooltipView} See the
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reference for additional information.} *)
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end
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(** Creates a Tooltip:
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@param pos The document position at which to show the tooltip.
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@param end The end of the range annotated by this tooltip, if different from
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pos.
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@param create A constructor function that creates the tooltip's DOM
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representation.
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@param above Whether the tooltip should be shown above or below the target
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position.
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@param strict_side Whether the above option should be honored when there
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isn't enough space on that side to show the tooltip inside the viewport.
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@param arrow When set to true, show a triangle connecting the tooltip element
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to position pos.
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{{:https://codemirror.net/6/docs/ref/#tooltip.Tooltip} See the
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reference for additional information.} *)
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module Tooltip : sig
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(** Describes a tooltip. Values of this type, when provided through the
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show_tooltip facet, control the individual tooltips on the editor. *)
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type t
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(** Tooltip *)
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include Jv.CONV with type t := t
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val pos : t -> int
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(** The document position at which to show the tooltip. *)
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val end_ : t -> int option
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(** The end of the range annotated by this tooltip, if different from pos. *)
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val create :
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pos:int ->
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?end_:int ->
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create:(Editor.View.t -> Tooltip_view.t) ->
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?above:bool ->
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?strict_side:bool ->
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?arrow:bool ->
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unit ->
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t
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end
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type hover_config
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val hover_config :
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?hide_on_change:bool -> ?hover_time:int -> unit -> hover_config
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(** Options for hover tooltips:
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@param hover_on_change When enabled (this defaults to false), close the
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tooltip whenever the document changes.
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@param hover_time Hover time after which the tooltip should appear, in
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milliseconds. Defaults to 300ms. *)
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val hover_tooltip :
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?config:hover_config ->
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(view:Editor.View.t -> pos:int -> side:int -> Tooltip.t option Fut.t) ->
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Extension.t
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(** Enable a hover tooltip, which shows up when the pointer hovers over ranges
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of text. The callback is called when the mouse hovers over the document text.
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It should, if there is a tooltip associated with position pos return the
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tooltip description (either directly or in a promise). The side argument
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indicates on which side of the position the pointer is—it will be -1 if the
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pointer is before the position, 1 if after the position.
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Note that all hover tooltips are hosted within a single tooltip container
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element. This allows multiple tooltips over the same range to be "merged"
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together without overlapping. *)