start supporting LÖVE v12

Dependencies

• [2] TSK2OXU2 .
• [3] IM6GSGVZ fix some arg names
• [4] 4SR3Z4Y3 document the version of LÖVE I've been using
• [5] GFXWHTE6 mouse wheel support
• [6] 66X36NZN a little more prose describing manual_tests
• [7] TVCPXAAU rename
• [8] KKMFQDR4 editing source code from within the app
• [9] R5QXEHUI somebody stop me
• [10] BULPIBEG beginnings of a module for the text editor
• [11] LXTTOB33 extract a couple of files
• [12] BJ5X5O4A let's prevent the text cursor from ever getting on a drawing
• [13] BLWAYPKV extract a module
• [14] 4YDBYBA4 clean up memory leak experiments
• [15] OGUV4HSA remove some memory leaks from rendered fragments
• [16] OTIBCAUJ love2d scaffold
• [17] CE4LZV4T drop last couple of manual tests
• [18] XX7G2FFJ intermingle freehand line drawings with text
• [19] 6LJZN727 handle chords
• [20] FS2ITYYH record a known issue
• [21] D2GCFTTT clean up repl functionality
• [22] 3QNOKBFM beginnings of a test harness
• [23] VHQCNMAR several more modules
• [24] ZNLTRNNK highlight another global
• [25] T4FRZSYL delete an ancient, unused file
• [26] KMSL74GA support selections in the source editor
• [27] RSZD5A7G forgot to add json.lua
• [28] LNUHQOGH start passing in Editor_state explicitly
• [29] SGMA5JLE save the list of tests in repo
• [30] 2L5MEZV3 experiment: new edit namespace
• [31] AVTNUQYR basic test-enabled framework
• [32] TLOAPLBJ add a license
• [33] UH4YWHW5 button framework is at the app level
• [34] K2X6G75Z start writing some tests for drawings
• [35] VXORMHME delete experimental REPL
• [36] N2NUGNN4 include a brief reference enabling many useful apps
• [37] ED4Z6ORC cleaner API for file-system access
• [38] 73OCE2MC after much struggle, a brute-force undo
• [39] PP2IIHL6 stop putting button state in a global
• [*] WQOSZSUE warn on unused commandline args

Change contents

• file deletion: conf.lua (----------)
  [6.2]→[4.78:110](∅→∅),[4.110]→[4.29:29](∅→∅)
  − function love.conf(t)

  − t.version = '11.4'

  − end
• edit in main.lua at line 71
  [2.115]

  [41.82]
  + end

  + end

  +

  + function App.version_check()

  + -- available modes: run, error

  + Error_message = nil

  + Error_count = 0

  + -- we'll reuse error mode on load for an initial version check

  + local supported_versions = {'11.4', '12.0'} -- put the recommended version first

  + local minor_version

  + Major_version, minor_version = love.getVersion()

  + Version = Major_version..'.'..minor_version

  + if array.find(supported_versions, Version) == nil then

  + Current_app = 'error'

  + Error_message = ("This app doesn't support version %s; please use version %s. Press any key to try it with this version anyway."):format(Version, supported_versions[1])

  + print(Error_message)

  + -- continue initializing everything; hopefully we won't have errors during initialization
• replacement in main.lua at line 156
  [6.1373]→[6.188322:188353](∅→∅)
  − if Current_app == 'run' then
  [6.1373]

  [6.188353]
  + if Current_app == 'error' then

  + love.graphics.setColor(0,0,1)

  + love.graphics.rectangle('fill', 0,0, App.screen.width, App.screen.height)

  + love.graphics.setColor(1,1,1)

  + love.graphics.printf(Error_message, 40,40, 600)

  + elseif Current_app == 'run' then
• edit in main.lua at line 192
  [6.188858]

  [6.188858]
  + if Current_app == 'error' then

  + if chord == 'C-c' then

  + love.system.setClipboardText(Error_message)

  + end

  + return

  + end
• edit in main.lua at line 233
  [6.1512]

  [6.189873]
  + if Current_app == 'error' then return end
• edit in main.lua at line 249
  [3.57]

  [6.190224]
  + if Current_app == 'error' then return end
• edit in main.lua at line 265
  [6.190617]

  [6.190617]
  + if Current_app == 'error' then return end
• edit in main.lua at line 277
  [6.190979]

  [6.190979]
  + if Current_app == 'error' then return end
• edit in main.lua at line 288
  [5.925]

  [5.925]
  + if Current_app == 'error' then return end
• edit in main.lua at line 299
  [6.191282]

  [6.191282]
  + if Current_app == 'error' then return end
• edit in app.lua at line 11
  [6.54]

  [6.209765]
  + App.version_check()