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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
ocamlc -o viewer -I ../../src/ lablgtk.cma lablgtksourceview3.cma test2.ml
Run with
CAML_LD_LIBRARY_PATH=../../src ./viewer
OR
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 use_mime_type = false
let font_name = "Monospace 10"
let print_lang lang = prerr_endline (sprintf "language: %s" lang#name)
let print_lang_dirs (language_manager:GSourceView3.source_language_manager) =
let i = ref 0 in
prerr_endline "lang_dirs:";
List.iter
(fun dir -> incr i; prerr_endline (sprintf "%d: %s" !i dir))
language_manager#search_path
let () =
let win = GWindow.window ~title:"LablGtkSourceView 3 test" () in
let vbox = GPack.vbox ~packing:win#add () in
let hbox = GPack.hbox ~packing:(vbox#pack ~expand: false) () in
let bracket_button = GButton.button ~label:"( ... )" ~packing:hbox#add () in
let scrolled_win = GBin.scrolled_window
~hpolicy: `AUTOMATIC ~vpolicy: `AUTOMATIC
~packing:vbox#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:30 ~show_right_margin:true
~smart_home_end:`ALWAYS
~packing:scrolled_win#add ~height:500 ~width:900
()
in
let language_manager = GSourceView3.source_language_manager ~default:true in
let lang =
match language_manager#guess_language ~content_type:lang_mime_type () with
| None -> failwith (sprintf "no language for %s" lang_mime_type)
| Some lang -> lang
in
let text =
let ic = open_in "test.ml" in
let size = in_channel_length ic in
let buf = Bytes.create size in
really_input ic buf 0 size;
close_in ic;
Bytes.to_string buf
in
source_view#misc#modify_font_by_name font_name;
print_lang_dirs language_manager;
print_lang lang;
(* set a style for bracket matching *)
source_view#source_buffer#set_highlight_matching_brackets true;
source_view#set_show_line_marks true;
source_view#source_buffer#set_language (Some lang);
source_view#source_buffer#set_highlight_syntax true;
source_view#source_buffer#set_text text;
ignore (win#connect#destroy (fun _ -> GMain.quit ()));
let category = "current" in
let attributes = GSourceView3.source_mark_attributes () in
let pixbuf = source_view#misc#render_icon ~size:`DIALOG `DIALOG_INFO in
attributes#set_pixbuf pixbuf;
source_view#set_mark_attributes ~category attributes 10;
let current_line_bookmark =
source_view#source_buffer#create_source_mark
~category
(source_view#source_buffer#get_iter `START)
in
ignore (source_view#source_buffer#connect#mark_set
(fun where mark ->
if GtkText.Mark.get_name mark = Some "insert"
then begin
let prio = source_view#get_mark_priority ~category in
Printf.eprintf "priority is %d\n%!" prio;
(match source_view#get_mark_attributes ~category with
| Some _ -> prerr_endline "has attributes"
| None -> prerr_endline "no attribute");
(match source_view#get_mark_attributes ~category:"nonexistent" with
| Some _ -> prerr_endline "shouldn't have attributes"
| None -> prerr_endline "no attribute as expected");
let where = where#set_line_offset 0 in
source_view#source_buffer#move_mark
current_line_bookmark#coerce
~where;
end));
ignore (source_view#connect#undo (fun _ -> prerr_endline "undo"));
win#show ();
GMain.Main.main ()
(*
Local Variables:
compile-command: "ocamlc -o viewer -I ../../src/ lablgtk.cma lablgtksourceview3.cma test2.ml"
End:
*)
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