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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 lablgtksourceview.cma gtkInit.cmo test.ml
Run with
CAML_LD_LIBRARY_PATH=../../src ./viewer
*)
open Printf
let lang_mime_type = "text/x-ocaml"
let lang_file = "ocaml.lang"
let use_mime_type = false
let font_name = "Monospace 10"
let print_lang lang = prerr_endline (sprintf "language: %s" lang#get_name)
let print_lang_dirs languages_manager =
let i = ref 0 in
prerr_endline "lang_dirs:";
List.iter
(fun dir -> incr i; prerr_endline (sprintf "%d: %s" !i dir))
languages_manager#lang_files_dirs
let win = GWindow.window ~title:"LablGtkSourceView test" ()
let vbox = GPack.vbox ~packing:win#add ()
let hbox = GPack.hbox ~packing:(vbox#pack ~expand: false) ()
let bracket_button = GButton.button ~label:"( ... )" ~packing:hbox#add ()
let scrolled_win = GBin.scrolled_window
~hpolicy: `AUTOMATIC ~vpolicy: `AUTOMATIC
~packing:vbox#add ()
let source_view =
GSourceView.source_view
~auto_indent:true
~insert_spaces_instead_of_tabs:true ~tabs_width:2
~show_line_numbers:true
~margin:80 ~show_margin:true
~smart_home_end:true
~packing:scrolled_win#add ~height:500 ~width:650
()
(* let languages_manager =
GSourceView.source_languages_manager ~lang_files_dirs:["/etc"] () *)
let languages_manager = GSourceView.source_languages_manager ()
let lang =
if use_mime_type then
match languages_manager#get_language_from_mime_type lang_mime_type with
| None -> failwith (sprintf "no language for %s" lang_mime_type)
| Some lang -> lang
else
match
GSourceView.source_language_from_file ~languages_manager lang_file
with
| None -> failwith (sprintf "can't load %s" lang_file)
| Some lang -> lang
let matching_bracket () =
let iter = source_view#source_buffer#get_iter_at_mark `INSERT in
match GSourceView.find_matching_bracket iter with
| None -> prerr_endline "no matching bracket"
| Some iter ->
source_view#source_buffer#place_cursor iter;
source_view#misc#grab_focus ()
let _ =
let text =
let ic = open_in "test.ml" in
let size = in_channel_length ic in
let buf = String.create size in
really_input ic buf 0 size;
close_in ic;
buf
in
win#set_allow_shrink true;
source_view#misc#modify_font_by_name font_name;
print_lang_dirs languages_manager;
print_lang lang;
(* set red as foreground color for definition keywords *)
let id = "Definition@32@keyword" in
let st = lang#get_tag_style id in
st#set_foreground_by_name "red";
lang#set_tag_style id st;
(* set a style for bracket matching *)
source_view#source_buffer#set_check_brackets true;
let _ =
let st = GSourceView.source_tag_style
~background_by_name:"green"
~foreground_by_name:"yellow"
~bold: true
()
in
source_view#source_buffer#set_bracket_match_style st
in
source_view#source_buffer#set_language lang;
source_view#source_buffer#set_highlight true;
source_view#source_buffer#set_text text;
ignore (win#connect#destroy (fun _ -> GMain.quit ()));
ignore (bracket_button#connect#clicked matching_bracket);
(* ignore (source_view#connect#move_cursor (fun _ _ ~extend ->
prerr_endline "move_cursor"));
ignore (source_view#connect#undo (fun _ -> prerr_endline "undo")); *)
win#show ();
GMain.Main.main ()
|
