about summary refs log tree commit diff stats
path: root/source.lua
blob: 594ff4a95915c08746e546734576794f7888b9fc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
source = {}

Editor_state = {}

-- called both in tests and real run
function source.initialize_globals()
  -- tests currently mostly clear their own state

  Show_log_browser_side = false
  Focus = 'edit'
  Show_file_navigator = false
  File_navigation = {
    all_candidates = {
      'run',
      'run_tests',
      'log',
      'edit',
      'drawing',
      'help',
      'text',
      'search',
      'select',
      'undo',
      'text_tests',
      'geom',
      'drawing_tests',
      'file',
      'source',
      'source_tests',
      'commands',
      'log_browser',
      'source_edit',
      'source_text',
      'source_undo',
      'colorize',
      'source_text_tests',
      'source_file',
      'main',
      'button',
      'keychord',
      'app',
      'test',
      'json',
    },
    index = 1,
    filter = '',
    cursors = {},  -- filename to cursor1, screen_top1
  }
  File_navigation.candidates = File_navigation.all_candidates  -- modified with filter

  Menu_status_bar_height = 5 + --[[line height in tests]] 15 + 5

  -- blinking cursor
  Cursor_time = 0
end

-- called only for real run
function source.initialize()
  log_new('source')
  if Settings and Settings.source then
    source.load_settings()
  else
    source.initialize_default_settings()
  end

  source.initialize_edit_side()
  source.initialize_log_browser_side()

  Menu_status_bar_height = 5 + Editor_state.line_height + 5
  Editor_state.top = Editor_state.top + Menu_status_bar_height
  Log_browser_state.top = Log_browser_state.top + Menu_status_bar_height



  -- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708
  love.window.setTitle('text.love - source')



end

-- environment for a mutable file
-- TODO: some initialization is also happening in load_settings/initialize_default_settings. Clean that up.
function source.initialize_edit_side()
  load_from_disk(Editor_state)
  Text.redraw_all(Editor_state)
  if File_navigation.cursors[Editor_state.filename] then
    Editor_state.screen_top1 = File_navigation.cursors[Editor_state.filename].screen_top1
    Editor_state.cursor1 = File_navigation.cursors[Editor_state.filename].cursor1
  else
    Editor_state.screen_top1 = {line=1, pos=1}
    Editor_state.cursor1 = {line=1, pos=1}
  end
  edit.check_locs(Editor_state)

  if Editor_state.cursor1.line > #Editor_state.lines then
    Editor_state.cursor1 = {line=1, pos=1}
  end
  if Editor_state.screen_top1.line > #Editor_state.lines then
    Editor_state.screen_top1 = {line=1, pos=1}
  end

  if rawget(_G, 'jit') then
    jit.off()
    jit.flush()
  end
end

function source.load_settings()
  local settings = Settings.source
  love.graphics.setFont(love.graphics.newFont(settings.font_height))
  source.resize_window_from_settings(settings)
--?   print('loading source position', settings.x, settings.y, settings.displayindex)
  source.set_window_position_from_settings(settings)
  Show_log_browser_side = settings.show_log_browser_side
  local right = App.screen.width - Margin_right
  if Show_log_browser_side then
    right = App.screen.width/2 - Margin_right
  end
  Editor_state = edit.initialize_state(Margin_top, Margin_left, right, settings.font_height, math.floor(settings.font_height*1.3))
  Editor_state.filename = settings.filename
  Editor_state.filename = basename(Editor_state.filename)  -- migrate settings that used full paths; we now support only relative paths within the app
  if settings.cursors then
    File_navigation.cursors = settings.cursors
    Editor_state.screen_top1 = File_navigation.cursors[Editor_state.filename].screen_top1
    Editor_state.cursor1 = File_navigation.cursors[Editor_state.filename].cursor1
  else
    -- migrate old settings
    Editor_state.screen_top1 = {line=1, pos=1}
    Editor_state.cursor1 = {line=1, pos=1}
  end
end

function source.resize_window_from_settings(settings)
  local os = love.system.getOS()
  if os == 'Android' or os == 'iOS' then
    -- maximizing on iOS breaks text rendering: https://github.com/deltadaedalus/vudu/issues/7
    -- no point second-guessing window dimensions on mobile
    App.screen.width, App.screen.height, App.screen.flags = App.screen.size()
    return
  end
  -- maximize window to determine maximum allowable dimensions
  App.screen.resize(0, 0)  -- maximize
  Display_width, Display_height, App.screen.flags = App.screen.size()
  -- set up desired window dimensions
  App.screen.flags.resizable = true
  App.screen.flags.minwidth = math.min(Display_width, 200)
  App.screen.flags.minheight = math.min(Display_height, 200)
  App.screen.width, App.screen.height = settings.width, settings.height
--?   print('setting window from settings:', App.screen.width, App.screen.height)
  App.screen.resize(App.screen.width, App.screen.height, App.screen.flags)
end

function source.set_window_position_from_settings(settings)
  -- love.window.setPosition doesn't quite seem to do what is asked of it on Linux.
  App.screen.move(settings.x, settings.y-37, settings.displayindex)
end

function source.initialize_default_settings()
  local font_height = 20
  love.graphics.setFont(love.graphics.newFont(font_height))
  source.initialize_window_geometry(App.width('m'))
  Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width-Margin_right)
  Editor_state.filename = 'run.lua'
  Editor_state.font_height = font_height
  Editor_state.line_height = math.floor(font_height*1.3)
end

function source.initialize_window_geometry(em_width)
  local os = love.system.getOS()
  if os == 'Android' or os == 'iOS' then
    -- maximizing on iOS breaks text rendering: https://github.com/deltadaedalus/vudu/issues/7
    -- no point second-guessing window dimensions on mobile
    App.screen.width, App.screen.height, App.screen.flags = App.screen.size()
    return
  end
  -- maximize window
  App.screen.resize(0, 0)  -- maximize
  Display_width, Display_height, App.screen.flags = App.screen.size()
  -- shrink height slightly to account for window decoration
  App.screen.height = Display_height-100
  App.screen.width = 40*em_width
  App.screen.flags.resizable = true
  App.screen.flags.minwidth = math.min(App.screen.width, 200)
  App.screen.flags.minheight = math.min(App.screen.height, 200)
  App.screen.resize(App.screen.width, App.screen.height, App.screen.flags)
  print('initializing source position')
  if Settings == nil then Settings = {} end
  if Settings.source == nil then Settings.source = {} end
  Settings.source.x, Settings.source.y, Settings.source.displayindex = App.screen.position()
end

function source.resize(w, h)
--?   print(("Window resized to width: %d and height: %d."):format(w, h))
  App.screen.width, App.screen.height = w, h
  Text.redraw_all(Editor_state)
  Editor_state.selection1 = {}  -- no support for shift drag while we're resizing
  if Show_log_browser_side then
    Editor_state.right = App.screen.width/2 - Margin_right
  else
    Editor_state.right = App.screen.width-Margin_right
  end
  Log_browser_state.left = App.screen.width/2 + Margin_right
  Log_browser_state.right = App.screen.width-Margin_right
  Editor_state.width = Editor_state.right-Editor_state.left
  Text.tweak_screen_top_and_cursor(Editor_state, Editor_state.left, Editor_state.right)
--?   print('end resize')
end

function source.file_drop(file)
  -- first make sure to save edits on any existing file
  if Editor_state.next_save then
    save_to_disk(Editor_state)
  end
  -- clear the slate for the new file
  Editor_state.filename = file:getFilename()
  file:open('r')
  Editor_state.lines = load_from_file(file)
  file:close()
  Text.redraw_all(Editor_state)
  Editor_state.screen_top1 = {line=1, pos=1}
  Editor_state.cursor1 = {line=1, pos=1}



  -- keep a few blank lines around: https://merveilles.town/@akkartik/110084833821965708
  love.window.setTitle('text.love - source')



end

-- a copy of source.file_drop when given a filename
function source.switch_to_file(filename)
  -- first make sure to save edits on any existing file
  if Editor_state.next_save then
    save_to_disk(Editor_state)
  end
  -- save cursor position
  File_navigation.cursors[Editor_state.filename] = {cursor1=Editor_state.cursor1, screen_top1=Editor_state.screen_top1}
  -- clear the slate for the new file
  Editor_state.filename = filename
  load_from_disk(Editor_state)
  Text.redraw_all(Editor_state)
  if File_navigation.cursors[filename] then
    Editor_state.screen_top1 = File_navigation.cursors[filename].screen_top1
    Editor_state.cursor1 = File_navigation.cursors[filename].cursor1
  else
    Editor_state.screen_top1 = {line=1, pos=1}
    Editor_state.cursor1 = {line=1, pos=1}
  end
end

function source.draw()
  edit.draw(Editor_state, --[[hide cursor?]] Show_file_navigator)
  if Show_log_browser_side then
    -- divider
    App.color(Divider_color)
    love.graphics.rectangle('fill', App.screen.width/2-1,Menu_status_bar_height, 3,App.screen.height)
    --
    log_browser.draw(Log_browser_state)
  end
  source.draw_menu_bar()
end

function source.update(dt)
  Cursor_time = Cursor_time + dt
  if App.mouse_x() < Editor_state.right then
    edit.update(Editor_state, dt)
  elseif Show_log_browser_side then
    log_browser.update(Log_browser_state, dt)
  end
end

function source.quit()
  edit.quit(Editor_state)
  log_browser.quit(Log_browser_state)
end

function source.settings()
  if Current_app == 'source' then
--?     print('reading source window position')
    Settings.source.x, Settings.source.y, Settings.source.displayindex = App.screen.position()
  end
--?   print('saving source settings', Settings.source.x, Settings.source.y, Settings.source.displayindex)
  File_navigation.cursors[Editor_state.filename] = {cursor1=Editor_state.cursor1, screen_top1=Editor_state.screen_top1}
  return {
    x=Settings.source.x, y=Settings.source.y, displayindex=Settings.source.displayindex,
    width=App.screen.width, height=App.screen.height,
    font_height=Editor_state.font_height,
    filename=Editor_state.filename,
    cursors=File_navigation.cursors,
    show_log_browser_side=Show_log_browser_side,
    focus=Focus,
  }
end

function source.mouse_press(x,y, mouse_button)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
--?   print('mouse click', x, y)
--?   print(Editor_state.left, Editor_state.right)
--?   print(Log_browser_state.left, Log_browser_state.right)
  if Show_file_navigator and y < Menu_status_bar_height + File_navigation.num_lines * Editor_state.line_height then
    -- send click to buttons
    edit.mouse_press(Editor_state, x,y, mouse_button)
    return
  end
  if x < Editor_state.right + Margin_right then
--?     print('click on edit side')
    if Focus ~= 'edit' then
      Focus = 'edit'
      return
    end
    edit.mouse_press(Editor_state, x,y, mouse_button)
  elseif Show_log_browser_side and Log_browser_state.left <= x and x < Log_browser_state.right then
--?     print('click on log_browser side')
    if Focus ~= 'log_browser' then
      Focus = 'log_browser'
      return
    end
    log_browser.mouse_press(Log_browser_state, x,y, mouse_button)
    for _,line_cache in ipairs(Editor_state.line_cache) do line_cache.starty = nil end  -- just in case we scroll
  end
end

function source.mouse_release(x,y, mouse_button)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  if Focus == 'edit' then
    return edit.mouse_release(Editor_state, x,y, mouse_button)
  else
    return log_browser.mouse_release(Log_browser_state, x,y, mouse_button)
  end
end

function source.mouse_wheel_move(dx,dy)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  if Focus == 'edit' then
    return edit.mouse_wheel_move(Editor_state, dx,dy)
  else
    return log_browser.mouse_wheel_move(Log_browser_state, dx,dy)
  end
end

function source.text_input(t)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  if Show_file_navigator then
    text_input_on_file_navigator(t)
    return
  end
  if Focus == 'edit' then
    return edit.text_input(Editor_state, t)
  else
    return log_browser.text_input(Log_browser_state, t)
  end
end

function source.keychord_press(chord, key)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
--?   print('source keychord')
  if Show_file_navigator then
    keychord_press_on_file_navigator(chord, key)
    return
  end
  if chord == 'C-l' then
--?     print('C-l')
    Show_log_browser_side = not Show_log_browser_side
    if Show_log_browser_side then
      App.screen.width = math.min(Display_width, App.screen.width*2)
      Editor_state.right = App.screen.width/2 - Margin_right
      Log_browser_state.left = App.screen.width/2 + Margin_left
      Log_browser_state.right = App.screen.width - Margin_right
    else
      App.screen.width = Editor_state.right + Margin_right
    end
--?     print('setting window:', App.screen.width, App.screen.height)
    App.screen.resize(App.screen.width, App.screen.height, App.screen.flags)
--?     print('done setting window')
    -- try to restore position if possible
    -- if the window gets wider the window manager may not respect this
    if not App.run_tests then
      source.set_window_position_from_settings(Settings.source)
    end
    return
  end
  if chord == 'C-k' then
    -- clear logs
    love.filesystem.remove('log')
    -- restart to reload state of logs on screen
    Settings.source = source.settings()
    source.quit()
    love.filesystem.write('config', json.encode(Settings))
    load_file_from_source_or_save_directory('main.lua')
    App.undo_initialize()
    App.run_tests_and_initialize()
    return
  end
  if chord == 'C-g' then
    Show_file_navigator = true
    return
  end
  if Focus == 'edit' then
    return edit.keychord_press(Editor_state, chord, key)
  else
    return log_browser.keychord_press(Log_browser_state, chord, key)
  end
end

function source.key_release(key, scancode)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  if Focus == 'edit' then
    return edit.key_release(Editor_state, key, scancode)
  else
    return log_browser.keychord_press(Log_browser_state, chordkey, scancode)
  end
end