{"header":{"message":"start uppercasing globals","description":"We're starting to have a few. Text editing is surprisingly more complex than drawing.","timestamp":"2022-05-18T02:27:54Z","authors":[{"email":"vc@akkartik.com","name":"Kartik K. Agaram"}]},"hash":"MGOQ5XAVFTWZPBG2O5ZTGSEKU6BRJKQZLDV6CM4737VD2FAEB5JQC","authors":[],"deps":{"hashes":[["MGOQ5XAVFTWZPBG2O5ZTGSEKU6BRJKQZLDV6CM4737VD2FAEB5JQC","start uppercasing globals"],["AA",null],["M36DBSDECWQYCVIPWUYPZXSR547P76RBVYQ63B5KJGVTFWIXCSJQC","bit more polish to help screen"],["BJ5X5O4ACBBJ56LRBBSTCW6IBQP4HAEOOOPNH3SKTA4F66YTOIDAC","let's prevent the text cursor from ever getting on a drawing"],["XJ5J7LDI4AI5J3S67AN5GV6VUIAUCADL2YPGV753ENTW5QUYH5BAC","start imposing some organization"],["OFA3PRBSGC7OXHUJGUSEZI73XMVC2HJIO6LG6XYE73DDAJT6KFPAC","autosave on keystrokes"],["HDCVGN6GQPG3GD43E7YOVGVI6MVQTETKMJVXKC5EOC7YXJYTQOLQC","save each line's y coordinate, whether it's a drawing or not"],["QW5KQQTDX5SRZI6EUHDZNQZMCTMEMBJHWQI4KGCLZG7SHLXMLKGAC","fix a comment"],["QCQHLMSTHTRNIKC5CJU3CAYMMWPTGITALRJNLFMGQWN2ZYMDSAWAC","always have a filename"],["UTF73CBLAPLW2J6BUF4Q7N2TETQ2IKSUZ4267UG357V4SFXDFUTAC","reorg"],["NL5J7Z5H577GPKGNS5TDRVWC55VLA2UCZE34F5WR4AJ5N265UECAC","new 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| DELETED","from":{"change":4,"pos":1237},"to":{"change":4,"start":190,"end":223},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":"Lines = {{mode='text', data=''}}"}],"del_contents":[{"Del":"lines = {{mode='text', data=''}}\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":39,"ins":{"up_context":[{"change":4,"pos":148}],"down_context":[{"change":4,"pos":1238}],"flag":"BLOCK","start":36,"end":76,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":148},"to":{"change":4,"start":224,"end":264},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":"cursor_pos = #Lines[cursor_line].data+1"}],"del_contents":[{"Del":"cursor_pos = #lines[cursor_line].data+1\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":74,"ins":{"up_context":[{"change":4,"pos":163}],"down_context":[{"change":3,"pos":398}],"flag":"BLOCK","start":77,"end":145,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":163},"to":{"change":4,"start":25,"end":60},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":60},"to":{"change":3,"start":365,"end":398},"introduced_by":3}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" Lines = load_from_disk(filename)"},{"Add":" for i,line in ipairs(Lines) do"}],"del_contents":[{"Del":" lines = load_from_disk(filename)\n"},{"Del":" for i,line in ipairs(lines) do\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":86,"ins":{"up_context":[{"change":4,"pos":88}],"down_context":[{"change":4,"pos":1}],"flag":"BLOCK","start":146,"end":177,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":88},"to":{"change":4,"start":88,"end":119},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" Lines = load_from_file(file)"}],"del_contents":[{"Del":" lines = load_from_file(file)\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":88,"ins":{"up_context":[{"change":4,"pos":16}],"down_context":[{"change":3,"pos":500}],"flag":"BLOCK","start":178,"end":211,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":16},"to":{"change":3,"start":467,"end":500},"introduced_by":3}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" for i,line in ipairs(Lines) 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DELETED","from":{"change":4,"pos":500},"to":{"change":4,"start":318,"end":428},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" table.insert(Lines, i, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})"}],"del_contents":[{"Del":" table.insert(lines, i, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":180,"ins":{"up_context":[{"change":4,"pos":109}],"down_context":[{"change":4,"pos":2}],"flag":"BLOCK","start":357,"end":467,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":4,"pos":109},"to":{"change":4,"start":3,"end":29},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":203},"to":{"change":4,"start":3,"end":29},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | 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then"},{"Add":" if Lines.current.pending.mode == 'freehand' then"}],"del_contents":[{"Del":" elseif lines.current then\n"},{"Del":" if lines.current.pending then\n if lines.current.pending.mode == 'freehand' then\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":246,"ins":{"up_context":[{"change":4,"pos":1800}],"down_context":[{"change":4,"pos":440}],"flag":"BLOCK","start":688,"end":1112,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":1800},"to":{"change":4,"start":70,"end":136},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":136},"to":{"change":4,"start":1800,"end":1855},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":1800},"to":{"change":4,"start":1800,"end":1855},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | 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lines.current.pending)\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":254,"ins":{"up_context":[{"change":4,"pos":452}],"down_context":[{"change":4,"pos":527}],"flag":"BLOCK","start":1113,"end":1373,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":4,"pos":452},"to":{"change":4,"start":3,"end":189},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":630},"to":{"change":4,"start":3,"end":189},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":189},"to":{"change":4,"start":453,"end":527},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" elseif Lines.current.pending.mode == 'manhattan' then"},{"Add":" local p1 = Lines.current.points[Lines.current.pending.p1]"},{"Add":" local mx,my = coord(x-16), coord(y-Lines.current.y)"},{"Add":" if mx >= 0 and mx < 256 and my >= 0 and my < Lines.current.h then"}],"del_contents":[{"Del":" elseif lines.current.pending.mode == 'manhattan' then\n local p1 = lines.current.points[lines.current.pending.p1]\n local mx,my = coord(x-16), coord(y-lines.current.y)\n"},{"Del":" if mx >= 0 and mx < 256 and my >= 0 and my < lines.current.h then\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":259,"ins":{"up_context":[{"change":4,"pos":583}],"down_context":[{"change":4,"pos":691}],"flag":"BLOCK","start":1374,"end":1482,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":583},"to":{"change":4,"start":583,"end":691},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" local j = insert_point(Lines.current.points, mx, p1.y)"},{"Add":" Lines.current.pending.p2 = j"}],"del_contents":[{"Del":" local j = insert_point(lines.current.points, mx, p1.y)\n lines.current.pending.p2 = j\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":262,"ins":{"up_context":[{"change":4,"pos":706}],"down_context":[{"change":4,"pos":814}],"flag":"BLOCK","start":1483,"end":1591,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":706},"to":{"change":4,"start":706,"end":814},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" local j = insert_point(Lines.current.points, p1.x, my)"},{"Add":" Lines.current.pending.p2 = j"}],"del_contents":[{"Del":" local j = insert_point(lines.current.points, p1.x, my)\n lines.current.pending.p2 = j\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":265,"ins":{"up_context":[{"change":4,"pos":828}],"down_context":[{"change":4,"pos":464}],"flag":"BLOCK","start":1592,"end":1808,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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lines.current.pending)\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":275,"ins":{"up_context":[{"change":4,"pos":337}],"down_context":[{"change":4,"pos":415}],"flag":"BLOCK","start":2132,"end":2610,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":337},"to":{"change":4,"start":337,"end":403},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":403},"to":{"change":4,"start":3,"end":415},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" table.insert(Lines.current.shapes, Lines.current.pending)"},{"Add":" elseif Lines.current.pending.mode == 'circle' then"},{"Add":" local mx,my = coord(x-16), coord(y-Lines.current.y)"},{"Add":" if mx >= 0 and mx < 256 and my >= 0 and my < Lines.current.h then"},{"Add":" local center = Lines.current.points[Lines.current.pending.center]"},{"Add":" Lines.current.pending.radius = math.dist(center.x,center.y, mx,my)"},{"Add":" table.insert(Lines.current.shapes, Lines.current.pending)"}],"del_contents":[{"Del":" table.insert(lines.current.shapes, lines.current.pending)\n"},{"Del":" elseif lines.current.pending.mode == 'circle' then\n local mx,my = coord(x-16), coord(y-lines.current.y)\n if mx >= 0 and mx < 256 and my >= 0 and my < lines.current.h then\n local center = lines.current.points[lines.current.pending.center]\n lines.current.pending.radius = math.dist(center.x,center.y, mx,my)\n table.insert(lines.current.shapes, lines.current.pending)\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":283,"ins":{"up_context":[{"change":4,"pos":427}],"down_context":[{"change":4,"pos":454}],"flag":"BLOCK","start":2611,"end":3062,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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table.insert(lines.current.shapes, lines.current.pending)\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":291,"ins":{"up_context":[{"change":4,"pos":1972}],"down_context":[{"change":4,"pos":2095}],"flag":"BLOCK","start":3063,"end":3122,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":2036},"to":{"change":4,"start":2036,"end":2095},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" Lines.current.pending = {}"},{"Add":" Lines.current = nil"}],"del_contents":[{"Del":" lines.current.pending = {}\n lines.current = nil\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":296,"ins":{"up_context":[{"change":4,"pos":21}],"down_context":[{"change":4,"pos":55}],"flag":"BLOCK","start":3123,"end":3157,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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byte_start-1)..string.sub(Lines[cursor_line].data, byte_end)"}],"del_contents":[{"Del":" lines[cursor_line].data = string.sub(lines[cursor_line].data, 1, byte_start-1)..string.sub(lines[cursor_line].data, byte_end)\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":538,"ins":{"up_context":[{"change":3,"pos":1066}],"down_context":[{"change":3,"pos":1155}],"flag":"BLOCK","start":3805,"end":3894,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1066},"to":{"change":3,"start":1066,"end":1155},"introduced_by":3}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" Lines[cursor_line].data = string.sub(Lines[cursor_line].data, 1, byte_start-1)"}],"del_contents":[{"Del":" lines[cursor_line].data = string.sub(lines[cursor_line].data, 1, byte_start-1)\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":543,"ins":{"up_context":[{"change":3,"pos":1243}],"down_context":[{"change":4,"pos":1377}],"flag":"BLOCK","start":3895,"end":3991,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":1243},"to":{"change":3,"start":1243,"end":1339},"introduced_by":3}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" if Lines[cursor_line-1].mode == 'drawing' then"},{"Add":" table.remove(Lines, cursor_line-1)"}],"del_contents":[{"Del":" if lines[cursor_line-1].mode == 'drawing' then\n table.remove(lines, cursor_line-1)\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":546,"ins":{"up_context":[{"change":4,"pos":1388}],"down_context":[{"change":4,"pos":1411}],"flag":"BLOCK","start":3992,"end":4201,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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#lines[cursor_line].data+1\n"}]}},{"Replacement":{"inode":{"change":4,"pos":2},"path":"main.lua","line":566,"ins":{"up_context":[{"change":4,"pos":58}],"down_context":[{"change":4,"pos":257}],"flag":"BLOCK","start":4299,"end":4498,"inode":{"change":4,"pos":2}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":58},"to":{"change":4,"start":58,"end":257},"introduced_by":4}],"inode":{"change":4,"pos":2}},"ins_contents":[{"Add":" if cursor_pos <= #Lines[cursor_line].data then"},{"Add":" local byte_start = utf8.offset(Lines[cursor_line].data, cursor_pos)"},{"Add":" local byte_end = utf8.offset(Lines[cursor_line].data, cursor_pos+1)"}],"del_contents":[{"Del":" if cursor_pos <= #lines[cursor_line].data then\n local byte_start = utf8.offset(lines[cursor_line].data, cursor_pos)\n local byte_end = utf8.offset(lines[cursor_line].data, 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