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|
(**************************************************************************)
(* Lablgtk - Examples *)
(* *)
(* This code is in the public domain. *)
(* You may freely copy parts of it in your application. *)
(* *)
(**************************************************************************)
(* Compile with
dune build test2.exe
Run with
../../_build/default/examples/sourceview/test2.exe
*)
open Printf
let locale = GtkMain.Main.init ()
let lang_mime_type = "text/x-ocaml"
let lang_name = "ocaml"
let use_mime_type = true
let font_name = "Monospace 10"
let print_lang lang = prerr_endline (sprintf "language: %s" lang#name)
let print_lang_ids language_manager =
let i = ref 0 in
prerr_endline "language_ids:";
List.iter
(fun id -> incr i;
match language_manager#language id with
| Some lang ->
let name = lang#name in
let section = lang#section in
prerr_endline
(sprintf "%d: %s %s (%s)" !i id name section)
| None -> ())
language_manager#language_ids
let print_style_schemes mgr =
let i = ref 0 in
prerr_endline "style schemes:";
List.iter (fun id ->
incr i;
match mgr#style_scheme id with
| Some scm ->
prerr_endline
(sprintf "%d: %s %s" !i id scm#description)
| None -> ())
mgr#style_scheme_ids
let () =
let win = GWindow.window ~title:"LablGtkSourceView test" () in
let scrolled_win = GBin.scrolled_window
~hpolicy: `AUTOMATIC ~vpolicy: `AUTOMATIC
~packing:win#add ()
in
let source_view =
GSourceView3.source_view
~auto_indent:true
~insert_spaces_instead_of_tabs:true ~tab_width:2
~show_line_numbers:true
~right_margin_position:80 ~show_right_margin:true
(* ~smart_home_end:true *)
~packing:scrolled_win#add ~height:500 ~width:650
()
in
let language_manager = GSourceView3.source_language_manager ~default:true in
let lang =
if use_mime_type then
(match language_manager#guess_language ~content_type:lang_mime_type () with
| Some x -> x
| None -> failwith (sprintf "no language for %s" lang_mime_type))
else
(match language_manager#language lang_name with
| Some x -> x
| None -> failwith (sprintf "can't load %s" lang_name))
in
print_lang_ids language_manager;
print_lang lang;
let style_scheme_manager =
GSourceView3.source_style_scheme_manager ~default:true
in
print_style_schemes style_scheme_manager;
let text =
let ic = open_in "example3.ml" in
let size = in_channel_length ic in
let buf = Bytes.create size in
really_input ic buf 0 size;
close_in ic;
buf
in
source_view#misc#modify_font_by_name font_name;
source_view#source_buffer#set_highlight_matching_brackets true;
source_view#source_buffer#set_language (Some lang);
source_view#source_buffer#set_highlight_syntax true;
source_view#set_smart_home_end `AFTER;
if source_view#smart_home_end <> `AFTER then failwith "regret";
source_view#set_draw_spaces [`SPACE; `NEWLINE];
List.iter
(function
| `SPACE -> print_string " space"
| `TAB -> print_string " tab"
| `NEWLINE -> print_string " newline"
| `NBSP -> print_string " nbsp"
| `LEADING -> print_string "leading"
| `TEXT -> print_string "text"
| `TRAILING -> print_string "trailing")
source_view#draw_spaces;
print_newline ();
ignore (win#connect#destroy (fun _ -> GMain.quit ()));
ignore (source_view#connect#undo (fun _ -> prerr_endline "undo"));
source_view#source_buffer#begin_not_undoable_action ();
source_view#source_buffer#set_text (Bytes.to_string text);
source_view#source_buffer#end_not_undoable_action ();
win#show ();
GMain.Main.main ()
|
