diff options
Diffstat (limited to 'bin')
| -rw-r--r-- | bin/common.ml | 166 | ||||
| -rw-r--r-- | bin/main.ml | 78 |
2 files changed, 2 insertions, 242 deletions
diff --git a/bin/common.ml b/bin/common.ml deleted file mode 100644 index adfeee6..0000000 --- a/bin/common.ml +++ /dev/null @@ -1,166 +0,0 @@ -(* Copyright (c) 2016-2017 David Kaloper Meršinjak. All rights reserved. - See LICENSE.md. *) - -open Notty -open Notty.Infix - -let pow n e = int_of_float (float n ** float e) - -module List = struct - include List - - let rec replicate n a = if n < 1 then [] else a :: replicate (n - 1) a - let rec range a b = if a > b then [] else a :: range (a + 1) b - - let rec intersperse a = function - | ([] | [ _ ]) as t -> t - | x :: xs -> x :: a :: intersperse a xs - - - let rec take n = function - | x :: xs when n > 0 -> x :: take (pred n) xs - | _ -> [] - - - let rec splitat n = function - | x :: xs when n > 0 -> - let a, b = splitat (pred n) xs in - x :: a, b - | xs -> [], xs - - - let rec chunks n xs = - match splitat n xs with - | a, [] -> [ a ] - | a, b -> a :: chunks n b - - - let rec zip xs ys = - match xs, ys with - | [], _ | _, [] -> [] - | x :: xs, y :: ys -> (x, y) :: zip xs ys -end - -module String = struct - include String - - let repeat n str = - let b = Buffer.create 16 in - for _ = 1 to n do - Buffer.add_string b str - done; - Buffer.contents b -end - -let tile w h i = I.tabulate w h (fun _ _ -> i) - -(** A few images used in several places. *) -module Images = struct - let i1 = - I.(string A.(fg lightblack) "omgbbq" <-> string A.(fg white ++ bg red) "@") - <|> I.(pad ~t:2 @@ string A.(fg green) "xo") - - - let i2 = I.(hpad 1 1 (hcrop 1 1 @@ tile 3 3 i1) <|> i1) - let i3 = tile 5 5 i2 - - let i4 = - let i = I.(i3 <|> crop ~t:1 i3 <|> i3) in - I.(crop ~l:1 i <-> crop ~r:1 i <-> crop ~b:2 i) - - - let i5 = tile 5 1 List.(range 0 15 |> map (fun i -> I.pad ~t:i ~l:(i * 2) i2) |> I.zcat) - let c_gray_ramp = I.tabulate 24 1 (fun g _ -> I.string A.(bg (gray g)) " ") - - let c_cube_ix = - I.tabulate 6 1 - @@ fun r _ -> - I.hpad 0 1 @@ I.tabulate 6 6 @@ fun b g -> I.string A.(bg (rgb ~r ~g ~b)) " " - - - let c_cube_rgb = - let f x = [| 0x00; 0x5f; 0x87; 0xaf; 0xd7; 0xff |].(x) in - I.tabulate 6 1 - @@ fun r _ -> - I.hpad 0 1 - @@ I.tabulate 6 6 - @@ fun b g -> I.string A.(bg (rgb_888 ~r:(f r) ~g:(f g) ~b:(f b))) " " - - - let c_rainbow w h = - let pi2 = 2. *. 3.14159 in - let pi2_3 = pi2 /. 3. - and f t off = (sin (t +. off) *. 128.) +. 128. |> truncate in - let color t = A.rgb_888 ~r:(f t (-.pi2_3)) ~g:(f t 0.) ~b:(f t pi2_3) in - I.tabulate (w - 1) 1 - @@ fun x _ -> - let t = (pi2 *. float x /. float w) +. 3.7 in - I.char A.(bg (color t)) ' ' 1 h - - - (* U+25CF BLACK CIRCLE *) - let dot color = I.string (A.fg color) "●" - - (* U+25AA BLACK SMALL SQUARE *) - let square color = I.string (A.fg color) "▪" - - let rec cantor = function - | 0 -> square A.lightblue - | n -> - let sub = cantor (pred n) in - I.hcat (List.replicate (pow 3 n) (square A.lightblue)) - <-> (sub <|> I.void (pow 3 (n - 1)) 0 <|> sub) - - - let checker n m i = - let w = I.width i in - I.(tile (n / 2) (m / 2) (hpad 0 w i <-> hpad w 0 i)) - - - let checker1 = checker 20 20 I.(char A.(bg magenta) ' ' 2 1) - - let rec sierp c n = - I.( - if n > 1 - then ( - let ss = sierp c (pred n) in - ss <-> (ss <|> ss)) - else hpad 1 0 (square c)) - - - let grid xxs = xxs |> List.map I.hcat |> I.vcat - - let outline attr i = - let w, h = I.(width i, height i) in - let chr x = I.uchar attr (Uchar.of_int x) 1 1 - and hbar = I.uchar attr (Uchar.of_int 0x2500) w 1 - and vbar = I.uchar attr (Uchar.of_int 0x2502) 1 h in - let a, b, c, d = chr 0x256d, chr 0x256e, chr 0x256f, chr 0x2570 in - grid [ [ a; hbar; b ]; [ vbar; i; vbar ]; [ d; hbar; c ] ] -end - -let halfblock = "▄" - -let pxmatrix w h f = - I.tabulate w h - @@ fun x y -> - let y = y * 2 in - I.string A.(bg (f x y) ++ fg (f x (y + 1))) halfblock - - -module Term = Notty_unix.Term - -let simpleterm ~imgf ~f ~s = - let term = Term.create () in - let imgf (w, h) s = I.(string A.(fg lightblack) "[ESC quits.]" <-> imgf (w, h - 1) s) in - let rec go s = - Term.image term (imgf (Term.size term) s); - match Term.event term with - | `End | `Key (`Escape, []) | `Key (`ASCII 'C', [ `Ctrl ]) -> () - | `Resize _ -> go s - | #Unescape.event as e -> - (match f s e with - | Some s -> go s - | _ -> ()) - in - go s diff --git a/bin/main.ml b/bin/main.ml index 404c63e..bb7dc1e 100644 --- a/bin/main.ml +++ b/bin/main.ml @@ -1,77 +1,3 @@ -open Notty -open Common +open Stitch -let content = Stitch.get_headlines () |> Stitch.parse_headlines -let content_pretty = content |> Stitch.pretty_format - -let rec main t (((x, y) as pos), scroll) = - let img = - let dot = I.string A.(fg black) ">" |> I.pad ~l:0 ~t:(y - scroll) - and elements = - Array.mapi - (fun i el -> I.strf ~attr:A.(fg black) "%s" el |> I.pad ~l:2 ~t:i) - (Array.to_seq content_pretty |> Seq.drop scroll |> Array.of_seq) - in - let open I in - Array.fold_left (fun sum el -> el </> sum) dot elements - in - let _, size_y = Term.size t in - Term.image t img; - let content_length = Array.length content_pretty in - let scroll_up () = - let scroll = if y - scroll = 0 then max (scroll - 1) 0 else scroll in - main t @@ ((x, max (y - 1) 0), scroll) - in - let scroll_down () = - let scroll = if y - scroll >= size_y - 1 then scroll + 1 else scroll in - main t @@ ((x, min (y + 1) content_length), scroll) - in - match Term.event t with - | `End | `Key (`Escape, []) | `Key (`ASCII 'q', []) | `Key (`ASCII 'C', [ `Ctrl ]) -> () - | `Mouse (`Press (`Scroll s), _, _) -> - (match s with - | `Down -> scroll_down () - | `Up -> scroll_up ()) - | `Resize _ -> main t (pos, scroll) - | `Mouse ((`Press _ | `Drag), (_, y), _) -> main t ((0, min y content_length), scroll) - | `Key (`ASCII 'j', []) | `Key (`ASCII 'N', [ `Ctrl ]) -> scroll_down () - | `Key (`ASCII 'k', []) | `Key (`ASCII 'P', [ `Ctrl ]) -> - let scroll = if y - scroll = 0 then max (scroll - 1) 0 else scroll in - main t @@ ((x, max (y - 1) 0), scroll) - | `Key (`Arrow d, _) -> - (match d with - | `Up -> scroll_up () - | `Down -> scroll_down () - | _ -> main t ((x, y), scroll)) - | `Key (`ASCII 'e', []) | `Key (`Enter, []) -> - (* Editor might be set with extra args, in that case we need to separate these *) - let[@warning "-8"] (editor :: args) = - String.split_on_char ' ' (Sys.getenv "EDITOR") - in - let selected_file, _ = Array.get content y in - let full_path_file = Stitch.execution_directory ^ "/" ^ selected_file in - let full_args = Array.append (Array.of_list args) [| full_path_file |] in - Term.cursor t (Some (0, 0)); - let _ = - Unix.create_process_env - editor - full_args - (Unix.environment ()) - Unix.stdin - Unix.stdout - Unix.stderr - in - let rec run_editor () = - match Unix.wait () with - | _, _ -> - Term.cursor t None; - main t ((x, y), scroll) - (* Capture resizing events *) - | exception Unix.Unix_error (Unix.EINTR, _, _) -> run_editor () - | exception Unix.Unix_error (_, _, _) -> failwith "ERROR" - in - run_editor () - | _ -> main t (pos, scroll) - - -let () = main (Term.create ()) ((0, 0), 0) +let () = Headlines.start () |