about summary refs log tree commit diff stats
path: root/commands.lua
blob: b1ac5aba79650237fa3e337ba7e0a57b23ff5345 (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
Menu_background_color = {r=0.6, g=0.8, b=0.6}
Menu_border_color = {r=0.6, g=0.7, b=0.6}
Menu_command_color = {r=0.2, g=0.2, b=0.2}
Menu_highlight_color = {r=0.5, g=0.7, b=0.3}

function source.draw_menu_bar()
  if App.run_tests then return end  -- disable in tests
  App.color(Menu_background_color)
  love.graphics.rectangle('fill', 0,0, App.screen.width, Menu_status_bar_height)
  App.color(Menu_border_color)
  love.graphics.rectangle('line', 0,0, App.screen.width, Menu_status_bar_height)
  App.color(Menu_command_color)
  Menu_cursor = 5
  if Show_file_navigator then
    source.draw_file_navigator()
    return
  end
  add_hotkey_to_menu('ctrl+e: run')
  if Focus == 'edit' then
    add_hotkey_to_menu('ctrl+g: switch file')
    if Show_log_browser_side then
      add_hotkey_to_menu('ctrl+l: hide log browser')
    else
      add_hotkey_to_menu('ctrl+l: show log browser')
    end
    add_hotkey_to_menu('ctrl+k: clear logs')
    if Editor_state.expanded then
      add_hotkey_to_menu('alt+b: collapse debug prints')
    else
      add_hotkey_to_menu('alt+b: expand debug prints')
    end
    add_hotkey_to_menu('alt+d: create/edit debug print')
    add_hotkey_to_menu('ctrl+f: find in file')
    add_hotkey_to_menu('alt+left alt+right: prev/next word')
  elseif Focus == 'log_browser' then
    -- nothing yet
  else
    assert(false, 'unknown focus "'..Focus..'"')
  end
  add_hotkey_to_menu('ctrl+z ctrl+y: undo/redo')
  add_hotkey_to_menu('ctrl+x ctrl+c ctrl+v: cut/copy/paste')
  add_hotkey_to_menu('ctrl+= ctrl+- ctrl+0: zoom')
end

function add_hotkey_to_menu(s)
  local s_text = to_text(s)
  local width = App.width(s_text)
  if Menu_cursor > App.screen.width - 30 then
    return
  end
  App.color(Menu_command_color)
  App.screen.draw(s_text, Menu_cursor,5)
  Menu_cursor = Menu_cursor + width + 30
end

function source.draw_file_navigator()
  App.color(Menu_command_color)
  local filter_text = to_text(File_navigation.filter)
  App.screen.draw(filter_text, 5, 5)
  draw_cursor(5 + App.width(filter_text), 5)
  if File_navigation.num_lines == nil then
    File_navigation.num_lines = source.num_lines_for_file_navigator(File_navigation.candidates)
  end
  App.color(Menu_background_color)
  love.graphics.rectangle('fill', 0,Menu_status_bar_height, App.screen.width, File_navigation.num_lines * Editor_state.line_height + --[[highlight padding]] 2)
  local x,y = 5, Menu_status_bar_height
  for i,filename in ipairs(File_navigation.candidates) do
    x,y = add_file_to_menu(x,y, filename, i == File_navigation.index)
    if Menu_cursor >= App.screen.width - 5 then
      break
    end
  end
end

function draw_cursor(x, y)
  -- blink every 0.5s
  if math.floor(Cursor_time*2)%2 == 0 then
    App.color(Cursor_color)
    love.graphics.rectangle('fill', x,y, 3,Editor_state.line_height)
  end
end

function source.file_navigator_candidates()
  if File_navigation.filter == '' then
    return File_navigation.all_candidates
  end
  local result = {}
  for _,filename in ipairs(File_navigation.all_candidates) do
    if starts_with(filename, File_navigation.filter) then
      table.insert(result, filename)
    end
  end
  return result
end

function source.num_lines_for_file_navigator(candidates)
  local result = 1
  local x = 5
  for i,filename in ipairs(candidates) do
    local width = App.width(to_text(filename))
    if x + width > App.screen.width - 5 then
      result = result+1
      x = 5 + width
    else
      x = x + width + 30
    end
  end
  return result
end

function add_file_to_menu(x,y, s, cursor_highlight)
  local s_text = to_text(s)
  local width = App.width(s_text)
  if x + width > App.screen.width - 5 then
    y = y + Editor_state.line_height
    x = 5
  end
  local color = Menu_background_color
  if cursor_highlight then
    color = Menu_highlight_color
  end
  button(Editor_state, 'menu', {x=x-5, y=y-2, w=width+5*2, h=Editor_state.line_height+2*2, color=colortable(color),
    onpress1 = function()
      navigate_to_file(s)
    end
  })
  App.color(Menu_command_color)
  App.screen.draw(s_text, x,y)
  x = x + width + 30
  return x,y
end

function navigate_to_file(s)
  move_candidate_to_front(s)
  local candidate = guess_source(s..'.lua')
  source.switch_to_file(candidate)
  reset_file_navigator()
end

function move_candidate_to_front(s)
  local index = array.find(File_navigation.all_candidates, s)
  assert(index)
  table.remove(File_navigation.all_candidates, index)
  table.insert(File_navigation.all_candidates, 1, s)
end

function reset_file_navigator()
  Show_file_navigator = false
  File_navigation.index = 1
  File_navigation.filter = ''
  File_navigation.candidates = File_navigation.all_candidates
end

function keychord_press_on_file_navigator(chord, key)
  log(2, 'file navigator: '..chord)
  log(2, {name='file_navigator_state', files=File_navigation.candidates, index=File_navigation.index})
  if chord == 'escape' then
    reset_file_navigator()
  elseif chord == 'return' then
    navigate_to_file(File_navigation.candidates[File_navigation.index])
  elseif chord == 'backspace' then
    local len = utf8.len(File_navigation.filter)
    local byte_offset = Text.offset(File_navigation.filter, len)
    File_navigation.filter = string.sub(File_navigation.filter, 1, byte_offset-1)
    File_navigation.index = 1
    File_navigation.candidates = source.file_navigator_candidates()
  elseif chord == 'left' then
    if File_navigation.index > 1 then
      File_navigation.index = File_navigation.index-1
    end
  elseif chord == 'right' then
    if File_navigation.index < #File_navigation.candidates then
      File_navigation.index = File_navigation.index+1
    end
  elseif chord == 'down' then
    file_navigator_down()
  elseif chord == 'up' then
    file_navigator_up()
  end
end

function log_render.file_navigator_state(o, x,y, w)
  -- duplicate structure of source.draw_file_navigator
  local num_lines = source.num_lines_for_file_navigator(o.files)
  local h = num_lines * Editor_state.line_height
  App.color(Menu_background_color)
  love.graphics.rectangle('fill', x,y, w,h)
  -- compute the x,y,width of the current index (in offsets from top left)
  local x2,y2 = 0,0
  local width = 0
  for i,filename in ipairs(o.files) do
    local filename_text = to_text(filename)
    width = App.width(filename_text)
    if x2 + width > App.screen.width - 5 then
      y2 = y2 + Editor_state.line_height
      x2 = 0
    end
    if i == o.index then
      break
    end
    x2 = x2 + width + 30
  end
  -- figure out how much of the menu to display
  local menu_xmin = math.max(0, x2-w/2)
  local menu_xmax = math.min(App.screen.width, x2+w/2)
  -- now selectively print out entries
  local x3,y3 = 0,y  -- x3 is relative, y3 is absolute
  local width = 0
  for i,filename in ipairs(o.files) do
    local filename_text = to_text(filename)
    width = App.width(filename_text)
    if x3 + width > App.screen.width - 5 then
      y3 = y3 + Editor_state.line_height
      x3 = 0
    end
    if i == o.index then
      App.color(Menu_highlight_color)
      love.graphics.rectangle('fill', x + x3-menu_xmin - 5, y3-2, width+5*2, Editor_state.line_height+2*2)
    end
    if x3 >= menu_xmin and x3 + width < menu_xmax then
      App.color(Menu_command_color)
      App.screen.draw(filename_text, x + x3-menu_xmin, y3)
    end
    x3 = x3 + width + 30
  end
  --
  return h+20
end

function file_navigator_up()
  local y, x, width = file_coord(File_navigation.index)
  local index = file_index(y-Editor_state.line_height, x, width)
  if index then
    File_navigation.index = index
  end
end

function file_navigator_down()
  local y, x, width = file_coord(File_navigation.index)
  local index = file_index(y+Editor_state.line_height, x, width)
  if index then
    File_navigation.index = index
  end
end

function file_coord(index)
  local y,x = Menu_status_bar_height, 5
  for i,filename in ipairs(File_navigation.candidates) do
    local width = App.width(to_text(filename))
    if x + width > App.screen.width - 5 then
      y = y + Editor_state.line_height
      x = 5
    end
    if i == index then
    return y, x, width
    end
    x = x + width + 30
  end
end

function file_index(fy, fx, fwidth)
  log_start('file index')
  log(2, ('for %d %d %d'):format(fy, fx, fwidth))
  local y,x = Menu_status_bar_height, 5
  local best_guess, best_guess_x, best_guess_width
  for i,filename in ipairs(File_navigation.candidates) do
    local width = App.width(to_text(filename))
    if x + width > App.screen.width - 5 then
      y = y + Editor_state.line_height
      x = 5
    end
    if y == fy then
      log(2, ('%d: correct row; considering %d %s %d %d'):format(y, i, filename, x, width))
      if best_guess == nil then
        log(2, 'nil')
        best_guess = i
        best_guess_x = x
        best_guess_width = width
      elseif math.abs(fx + fwidth/2 - x - width/2) < math.abs(fx + fwidth/2 - best_guess_x - best_guess_width/2) then
        best_guess = i
        best_guess_x = x
        best_guess_width = width
      end
      log(2, ('best guess now %d %s %d %d'):format(best_guess, File_navigation.candidates[best_guess], best_guess_x, best_guess_width))
    end
    x = x + width + 30
  end
  log_end('file index')
  return best_guess
end

function text_input_on_file_navigator(t)
  File_navigation.filter = File_navigation.filter..t
  File_navigation.candidates = source.file_navigator_candidates()
end