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|
(* Programmed by Jedidiah Barber *)
(* Licensed under the Sunset License v1.0 *)
let main () =
ignore (GtkMain.Main.init ());
let window = GWindow.window
~title:"Number Wall Viewer"
~width:250 () in
ignore (window#connect#destroy ~callback:GMain.quit);
let main_vbox = GPack.vbox
~packing:window#add () in
let menubar = GMenu.menu_bar
~packing:(main_vbox#pack ~expand:false) () in
let wall_view = GBin.scrolled_window
~hpolicy:`AUTOMATIC
~vpolicy:`AUTOMATIC
~packing:(main_vbox#pack ~expand:true) () in
let statusbar = GMisc.statusbar
~packing:(main_vbox#pack ~expand:false) () in
let context = statusbar#new_context ~name:"Program status" in
let set_status ~msg =
context#pop ();
ignore (context#push msg) in
let choose_open_file ~title ?(folder = "") () =
let chooser = GWindow.file_chooser_dialog
~action:`OPEN
~title:title () in
chooser#add_button_stock `CANCEL `dialog;
chooser#add_select_button_stock `OPEN `filechooser;
ignore (chooser#set_current_folder folder);
let code = chooser#run () in
let maybe_result = chooser#filename in
chooser#destroy ();
match maybe_result with
| None -> ""
| Some result -> if code = `filechooser then result else "" in
let choose_save_file ~title ?(folder = "") ?(name = "") () =
let chooser = GWindow.file_chooser_dialog
~action:`SAVE
~title:title () in
chooser#add_button_stock `CANCEL `dialog;
chooser#add_select_button_stock `SAVE `filechooser;
chooser#set_current_name name;
ignore (chooser#set_current_folder folder);
let code = chooser#run () in
let maybe_result = chooser#filename in
chooser#destroy ();
match maybe_result with
| None -> ""
| Some result -> if code = `filechooser then result else "" in
let generate_unused ~basename ~extension =
let rec checker num =
let testname = basename ^ "-" ^ (string_of_int num) ^ "." ^ extension in
if not (Sys.file_exists testname) then testname else checker (num + 1) in
checker 1 in
let overwrite_check ~filename =
if not (Sys.file_exists filename) then true else
(let asker = GWindow.dialog
~title:"Confirm Overwrite"
~resizable:false
~width:380 ~height:130 () in
let box = GPack.hbox
~packing:asker#vbox#add () in
let _ = GMisc.image
~stock:`DIALOG_ERROR
~packing:box#add () in
let message = GMisc.label
~text:("Error: " ^ filename ^ " already exists.")
~packing:box#add () in
message#set_line_wrap true;
asker#add_button "Cancel" `dialog;
asker#add_button "Overwrite" `filechooser;
let code = asker#run () in
asker#destroy ();
code = `filechooser) in
let new_cb () =
print_endline "New..." in
let open_cb () =
let filename = choose_open_file
~title:"Open Sequence - Number Wall Viewer"
~folder:(Sys.getcwd ()) () in
if filename != "" then
(set_status ~msg:("Opened " ^ filename);
print_endline filename)
else
(set_status ~msg:"Canceled open") in
let save_as_cb () =
let filename = choose_save_file
~title:"Save Sequence - Number Wall Viewer"
~folder:(Sys.getcwd ())
~name:(generate_unused ~basename:"sequence" ~extension:"txt") () in
if filename != "" && overwrite_check ~filename then
(set_status ~msg:("Saved sequence to " ^ filename);
print_endline filename)
else
(set_status ~msg:"Canceled save") in
let export_cb () =
let filename = choose_save_file
~title:"Export Image - Number Wall Viewer"
~folder:(Sys.getcwd ())
~name:(generate_unused ~basename:"image" ~extension:"png") () in
if filename != "" && overwrite_check ~filename then
(set_status ~msg:("Exported image to " ^ filename);
print_endline filename)
else
(set_status ~msg:"Canceled export") in
let discard_cb () =
print_endline "Discard" in
let color_cb () =
print_endline "Color..." in
let modulus_cb () =
print_endline "Modulus..." in
let about_cb () =
let about_window = GWindow.about_dialog
~authors:["Jedidiah Barber"]
~comments:"A simple program to generate and visualise number walls."
~license:"Sunset License v1.0"
~title:"About - Number Wall Viewer"
~modal:true () in
let destroy_me button = about_window#destroy () in
ignore (about_window#connect#response ~callback:destroy_me);
about_window#show () in
let file_menu_entries = [
`I ("New...", new_cb);
`S;
`I ("Open...", open_cb);
`I ("Save As...", save_as_cb);
`I ("Export...", export_cb);
`S;
`I ("Discard", discard_cb);
`I ("Quit", GMain.quit)
] in
let option_menu_entries = [
`I ("Color...", color_cb);
`I ("Modulus...", modulus_cb)
] in
let help_menu_entries = [
`I ("About", about_cb)
] in
let create_menu ~label ~bar ~entries =
let item = GMenu.menu_item ~label ~packing:bar#append () in
let menu = GMenu.menu ~packing:item#set_submenu () in
GToolbox.build_menu menu ~entries in
ignore (create_menu ~label:"File" ~bar:menubar ~entries:file_menu_entries);
ignore (create_menu ~label:"Options" ~bar:menubar ~entries:option_menu_entries);
ignore (create_menu ~label:"Help" ~bar:menubar ~entries:help_menu_entries);
set_status ~msg:"No wall loaded";
window#show ();
GMain.Main.main ()
let _ = main ()
|
