Mercurial Hosting > editor

comparison src/luan_editor/Window.luan @ 56:6059b4e22d47

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
almost fix to front
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 28 May 2025 16:02:27 -0600
parents src/luan_editor/window.luan@77ee3a37475a
children f91c336cdde5
comparison
equal deleted inserted replaced
55:77ee3a37475a 56:6059b4e22d47
1 local Luan = require "luan:Luan.luan"
2 local error = Luan.error
3 local stringify = Luan.stringify or error()
4 local ipairs = Luan.ipairs or error()
5 local Parsers = require "luan:Parsers.luan"
6 local json_string = Parsers.json_string or error()
7 local json_parse = Parsers.json_parse or error()
8 local Math = require "luan:Math.luan"
9 local min = Math.min or error()
10 local String = require "luan:String.luan"
11 local sub_string = String.sub or error()
12 local replace = String.replace or error()
13 local starts_with = String.starts_with or error()
14 local Io = require "luan:Io.luan"
15 local new_file = Io.schemes.file or error()
16 local new_text_area = require("luan:swing/Text_area.luan").new or error()
17 local new_frame = require("luan:swing/Frame.luan").new or error()
18 local new_dialog = require("luan:swing/Dialog.luan").new or error()
19 local new_panel = require("luan:swing/Component.luan").new_panel or error()
20 local new_list = require("luan:swing/List.luan").new or error()
21 local Layout = require "luan:swing/Layout.luan"
22 local new_mig_layout = Layout.new_mig_layout or error()
23 local new_scroll_pane = require("luan:swing/Scroll_pane.luan").new or error()
24 local new_text_area_line_numbers = require("luan:swing/Text_area_line_numbers.luan").new or error()
25 local int_to_color = require("luan:swing/Color.luan").int_to_color or error()
26 local Border = require "luan:swing/Border.luan"
27 local create_empty_border = Border.create_empty_border or error()
28 local new_label = require("luan:swing/Label.luan").new or error()
29 local make_find_panel = require "classpath:luan_editor/find.luan"
30 local Swing = require "luan:swing/Swing.luan"
31 local run_later = Swing.run_later or error()
32 local File_chooser = require "luan:swing/File_chooser.luan"
33 local choose_file = File_chooser.awt_choose_file or error()
34 local Option_pane = require "luan:swing/Option_pane.luan"
35 local show_message_dialog = Option_pane.show_message_dialog or error()
36 local Clipboard = require "luan:swing/Clipboard.luan"
37 local Java = require "classpath:luan_editor/Java.luan"
38 local Logging = require "luan:logging/Logging.luan"
39 local logger = Logging.logger "editor/Window"
40
41
42 local Window = {}
43
44 local n_windows = 0
45 local documents = {}
46
47 local function bool(val,default)
48 if val ~= nil then
49 return val
50 else
51 return default
52 end
53 end
54
55 local config_file = Io.uri("file:"..Java.home_dir.."/.luan_editor/config.json")
56 local config = {}
57 if config_file.exists() then
58 try
59 config = json_parse(config_file.read_text())
60 catch e
61 logger.error(e)
62 end
63 end
64 config.size = config.size or { width=700, height=700 }
65 config.line_wrap = bool( config.line_wrap, true )
66 config.whitespace_visible = bool( config.whitespace_visible, false )
67 config.tab_size = config.tab_size or 4
68 config.list_window = config.list_window or {}
69 config.list_window.size = config.list_window.size or { width=200, height=400 }
70
71 local function save_config()
72 config_file.write_text( json_string(config).."\n" )
73 end
74
75 local list_view = new_list{
76 --layout = new_mig_layout("insets 0,wrap,fill")
77 --layout = new_mig_layout("wrap","[grow]")
78 horizontal_alignment = "right"
79 hover_background = int_to_color(0xEEEEEE)
80 }
81 local list_scroll_pane = new_scroll_pane{
82 view = list_view
83 }
84 local list_window = new_dialog{
85 size = config.list_window.size
86 content_pane = list_scroll_pane
87 focusable_window_state = false
88 }
89 list_window.add_resize_stopped_listener( 200, function()
90 --logger.info(stringify(list_window.size))
91 config.list_window.size = list_window.size
92 save_config()
93 end)
94 list_window.add_move_stopped_listener( 200, function()
95 --logger.info(stringify(list_window.location))
96 config.list_window.location = list_window.location
97 save_config()
98 end)
99 function Window.show_list_window()
100 local location = config.list_window.location
101 if location ~= nil then
102 list_window.location = location
103 end
104 list_window.visible = true
105 list_scroll_pane.scroll_to_right()
106 end
107
108 local function add_list_window_item(item)
109 list_view.add_element(item)
110 list_scroll_pane.scroll_to_right()
111 end
112 local function remove_list_window_item(item)
113 list_view.remove_element(item) --or error()
114 end
115 list_view.add_list_selection_listener( function(item)
116 if item ~= nil then
117 item.window.text_area.request_focus()
118 end
119 end )
120
121 local black = int_to_color(0x000000)
122 local dark_blue = int_to_color(0x0000C0)
123 local grey = int_to_color(0x888888)
124
125 local function new_window(file,document)
126 local window = {}
127 if file == nil or not file.exists() then
128 window.has_file = false
129 elseif file.is_file() then
130 window.has_file = true
131 else
132 show_message_dialog(nil,"Not a file")
133 if n_windows == 0 then
134 Luan.exit()
135 else
136 return
137 end
138 end
139 window.has_file = file~=nil and file.exists()
140 local text_area = new_text_area{
141 wrap_style_word = true
142 line_wrap = config.line_wrap
143 whitespace_visible = config.whitespace_visible
144 tab_size = config.tab_size
145 font = { family="Monospaced", size=13 }
146 }
147 window.text_area = text_area
148 local title = file and file.canonical().to_string() or "new"
149 if document ~= nil then
150 text_area.document = document
151 elseif file ~= nil then
152 local document = documents[title]
153 if document ~= nil then
154 text_area.document = document
155 else
156 documents[title] = text_area.document
157 if file.exists() then
158 text_area.text = file.read_text()
159 text_area.document.clear_unedited()
160 end
161 end
162 end
163 text_area.set_selection(0)
164 local list_window_item = {
165 window = window
166 }
167 add_list_window_item(list_window_item)
168 local status_bar = new_label{
169 constraints = "span,growx"
170 text = " "
171 border = create_empty_border(2,16,4,16)
172 }
173 window.status_bar = status_bar
174 local find_panel = make_find_panel(window)
175 local frame = new_frame{
176 preferred_size = config.size
177 content_pane = new_panel{
178 layout = new_mig_layout("insets 0,wrap,fill,hidemode 3","","[][grow 0]")
179 children = {
180 new_scroll_pane{
181 constraints = "grow"
182 view = text_area
183 row_header_view = new_text_area_line_numbers{
184 text_area = text_area
185 foreground_color = grey
186 border = create_empty_border(0,8,0,8)
187 }
188 }
189 find_panel
190 status_bar
191 }
192 }
193 }
194 window.frame = frame
195 frame.add_close_listener(function()
196 n_windows = n_windows - 1
197 if n_windows == 0 then
198 Luan.exit()
199 end
200 remove_list_window_item(list_window_item)
201 end)
202 frame.add_window_focus_listener(function()
203 list_view.selected_value = list_window_item
204 end)
205 frame.add_resize_stopped_listener( 200, function()
206 --logger.info(stringify(frame.size))
207 config.size = frame.size
208 save_config()
209 end)
210 frame.add_move_stopped_listener( 200, function()
211 --logger.info(stringify(frame.location))
212 config.location = frame.location
213 save_config()
214 end)
215 local function undo_listener()
216 local is_unedited = text_area.document.is_unedited()
217 if window.is_unedited == is_unedited then
218 return
219 end
220 window.is_unedited = is_unedited
221 local s = title
222 if not is_unedited then
223 s = s.." *"
224 end
225 frame.title = s
226 list_window_item.text = title
227 list_window_item.foreground_color = is_unedited and black or dark_blue
228 list_view.repaint(list_window_item)
229 end
230 undo_listener()
231 --window.undo_listener = undo_listener -- dont gc
232 text_area.document.add_undo_listener(undo_listener)
233 window.new = new_window
234 function window.title()
235 return title
236 end
237 function window.open()
238 local new_file = choose_file{
239 action = "load"
240 parent = frame
241 directory = file and file.parent()
242 }
243 if new_file ~= nil then
244 new_window(new_file)
245 end
246 end
247 function window.save()
248 if file == nil then
249 file = choose_file{
250 action = "save"
251 parent = frame
252 }
253 if file == nil then
254 return false
255 end
256 title = file.canonical().to_string()
257 documents[title] = text_area.document
258 window.is_unedited = nil
259 undo_listener()
260 end
261 try
262 file.write_text(text_area.text)
263 catch e
264 show_message_dialog( frame, e.get_message() )
265 return false
266 end
267 text_area.document.set_unedited()
268 return true
269 end
270 function window.revert()
271 local selection = text_area.get_selection()
272 local text = file.read_text()
273 text_area.text = text
274 text_area.set_selection(min(selection,#text+1))
275 text_area.document.set_unedited()
276 status_bar.text = "Reverted"
277 end
278 local function selection_lines()
279 local start_seletion, end_selection = text_area.get_selection()
280 local end_ = end_selection == start_seletion and end_selection or end_selection - 1
281 local start_line = text_area.get_line_from_position(start_seletion)
282 local end_line = text_area.get_line_from_position(end_)
283 local start_pos = text_area.get_line_start_position(start_line)
284 local end_pos = text_area.get_line_end_position(end_line)
285 local text = text_area.text
286 text = sub_string(text,start_pos,end_pos-2)
287 return {
288 text = text
289 start_pos = start_pos
290 length = #text
291 lines = end_line - start_line + 1
292 start_seletion = start_seletion
293 end_selection = end_selection
294 }
295 end
296 function window.indent()
297 local r = selection_lines()
298 local text = r.text
299 local start_pos = r.start_pos
300 text = "\t"..replace(text,"\n","\n\t")
301 text_area.replace(start_pos,r.length,text)
302 --logger.info(stringify{text_area.get_selection()})
303 text_area.set_selection( r.start_seletion+1, r.end_selection+r.lines )
304 end
305 function window.unindent()
306 local r = selection_lines()
307 local text = r.text
308 text = "\n"..text
309 local start_seletion = r.start_seletion
310 if starts_with(text,"\n\t") then
311 start_seletion = start_seletion - 1
312 end
313 local len1 = #text
314 text = replace(text,"\n\t","\n")
315 local len2 = #text
316 local end_selection = r.end_selection - (len1 - len2)
317 text = sub_string(text,2)
318 text_area.replace(r.start_pos,r.length,text)
319 text_area.set_selection(start_seletion,end_selection)
320 end
321 function window.cursor_column()
322 local cursor_pos = text_area.get_selection()
323 local line = text_area.get_line_from_position(cursor_pos)
324 local start_line_pos = text_area.get_line_start_position(line)
325 return cursor_pos - start_line_pos + 1
326 end
327 function window.goto(line)
328 local pos = text_area.get_line_start_position(line)
329 text_area.set_selection(pos)
330 end
331 function window.set_line_wrap(line_wrap)
332 text_area.line_wrap = line_wrap
333 config.line_wrap = line_wrap
334 save_config()
335 end
336 function window.set_whitespace_visible(whitespace_visible)
337 text_area.whitespace_visible = whitespace_visible
338 config.whitespace_visible = whitespace_visible
339 save_config()
340 end
341 function window.set_tab_size(tab_size)
342 text_area.tab_size = tab_size
343 config.tab_size = tab_size
344 save_config()
345 end
346 function window.duplicate()
347 local new = new_window(file,text_area.document)
348 new.text_area.set_selection( text_area.get_selection() )
349 end
350 function window.paste_files()
351 --logger.info("paste_files "..stringify(Clipboard.get_files()))
352 local files = Clipboard.get_files()
353 if files == nil then
354 return false
355 end
356 for _, file in ipairs(files) do
357 new_window(file)
358 end
359 return true
360 end
361 local add_menu_bar = require "classpath:luan_editor/menu.luan"
362 add_menu_bar(window)
363 frame.pack()
364 local location = config.location
365 if location ~= nil then
366 frame.location = location
367 end
368 frame.visible = true
369 text_area.request_focus_in_window()
370 n_windows = n_windows + 1
371 return window
372 end
373 Window.new_window = new_window
374
375 function Window.open_windows(file_paths)
376 list_window.to_front()
377 for _, file_path in ipairs(file_paths) do
378 local file = new_file(file_path)
379 new_window(file)
380 end
381 if #file_paths == 0 then
382 local window = list_view.selected_value.window
383 window.frame.to_front()
384 window.text_area.request_focus_in_window()
385 end
386 end
387
388 return Window