about summary refs log tree commit diff stats
path: root/run.lua
blob: d029bede44f6d05aaca28baaa0eb8096964b49fc (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
run = {}

Editor_state = {}

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

  -- blinking cursor
  Cursor_time = 0
end

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

  if #arg > 0 then
    Editor_state.filename = arg[1]
    load_from_disk(Editor_state)
    Text.redraw_all(Editor_state)
    Editor_state.screen_top1 = {line=1, pos=1}
    Editor_state.cursor1 = {line=1, pos=1}
  else
    load_from_disk(Editor_state)
    Text.redraw_all(Editor_state)
  end
  edit.check_locs(Editor_state)



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



  if #arg > 1 then
    print('ignoring commandline args after '..arg[1])
  end

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

function run.load_settings()
  love.graphics.setFont(love.graphics.newFont(Settings.font_height))
  -- determine default dimensions and flags
  App.screen.width, App.screen.height, App.screen.flags = App.screen.size()
  -- set up desired window dimensions
  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.width, App.screen.height = Settings.width, Settings.height
  App.screen.resize(App.screen.width, App.screen.height, App.screen.flags)
  App.screen.move(Settings.x, Settings.y, Settings.displayindex)
  Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width-Margin_right, Settings.font_height, math.floor(Settings.font_height*1.3))
  Editor_state.filename = Settings.filename
  Editor_state.screen_top1 = Settings.screen_top
  Editor_state.cursor1 = Settings.cursor
end

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

function run.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
  App.screen.width, App.screen.height, App.screen.flags = App.screen.size()
  -- shrink height slightly to account for window decoration
  App.screen.height = App.screen.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)
end

function run.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
  Editor_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)
end

function run.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
  App.initialize_globals()
  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('lines.love - '..Editor_state.filename)



end

function run.draw()
  edit.draw(Editor_state)
end

function run.update(dt)
  Cursor_time = Cursor_time + dt
  edit.update(Editor_state, dt)
end

function run.quit()
  edit.quit(Editor_state)
end

function run.settings()
  if Settings == nil then
    Settings = {}
  end
  if Current_app == 'run' then
    Settings.x, Settings.y, Settings.displayindex = App.screen.position()
  end
  local filename = Editor_state.filename
  if is_relative_path(filename) then
    filename = love.filesystem.getWorkingDirectory()..'/'..filename  -- '/' should work even on Windows
  end
  return {
    x=Settings.x, y=Settings.y, displayindex=Settings.displayindex,
    width=App.screen.width, height=App.screen.height,
    font_height=Editor_state.font_height,
    filename=filename,
    screen_top=Editor_state.screen_top1, cursor=Editor_state.cursor1
  }
end

function run.mouse_press(x,y, mouse_button)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  return edit.mouse_press(Editor_state, x,y, mouse_button)
end

function run.mouse_release(x,y, mouse_button)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  return edit.mouse_release(Editor_state, x,y, mouse_button)
end

function run.mouse_wheel_move(dx,dy)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  return edit.mouse_wheel_move(Editor_state, dx,dy)
end

function run.text_input(t)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  return edit.text_input(Editor_state, t)
end

function run.keychord_press(chord, key)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  return edit.keychord_press(Editor_state, chord, key)
end

function run.key_release(key, scancode)
  Cursor_time = 0  -- ensure cursor is visible immediately after it moves
  return edit.key_release(Editor_state, key, scancode)
end

function width(s)
  return love.graphics.getFont():getWidth(s)
end
return State.lines[minl].data:sub(min_offset, max_offset-1) end assert(minl < maxl) local result = {State.lines[minl].data:sub(min_offset)} for i=minl+1,maxl-1 do if State.lines[i].mode == 'text' then table.insert(result, State.lines[i].data) end end table.insert(result, State.lines[maxl].data:sub(1, max_offset-1)) return table.concat(result, '\n') end