{"header":{"message":"Merge text.love","description":null,"timestamp":"2022-12-24T04:11:51Z","authors":[{"email":"vc@akkartik.com","name":"Kartik K. Agaram"}]},"hash":"C3GUE45IQNZNGKQVSINNGVVFEBWVWDT6Z4WVOEV5SQLGFUNPZXUQC","authors":[],"deps":{"hashes":[["C3GUE45IQNZNGKQVSINNGVVFEBWVWDT6Z4WVOEV5SQLGFUNPZXUQC","Merge text.love"],["AA",null],["6BGU2SBJIVRJVTJERJVIIBWFYLWN7WSIHS34YIT3KCIWZYNUZ7ZQC","Merge text.love"],["THRPA4VVHXXPUP56OBKHCBMVMMU7MSSVEZXB5YLY6AS5PUBOVWJQC","Merge text.love"],["ORKN6EOBUFVAD2TXYW5OIKSL55RU24LOFDTTTXHDZUZ57QRDCY7QC","Merge lines.love"],["MD3W5IRAC6UQALQE4LJC52VQNDO3I3HXF3XE2XHDABXBYJBUVAXQC","new fork: rip out drawing support"],["OTIBCAUJ3KDQJLVDN3A536DLZGNRYMGJLORZVR3WLCGXGO6UGO6AC","love2d scaffold"],["AT3LVCMPK7SSIEHF3JI6XTA5XNO7HFI3AOHYNX4Y24QKJ2NS6DDQC","Merge text.love"],["OGUV4HSA7XGSQLUVWBAE3AE263Z7Z6G3BZOB4CN2AOYD2DEJMOZAC","remove some memory leaks from rendered fragments"],["66X36NZNEHWWURKSZ6G3XSC4CKQ7NTR4HYGDJGLHAUELMUAQC34AC","a little more prose describing manual_tests"],["VZJHGWSPFPIBTAEIAXTMKPG5BCNEW3L2DDK5ZMC76WPWHRS3OG2QC","Merge 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'freehand' then\n drawing.pending.p1 = Drawing.find_or_insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y, State.width)\n elseif drawing.pending.mode == 'polygon' or drawing.pending.mode == 'rectangle' or drawing.pending.mode == 'square' then\n drawing.pending.p1 = drawing.pending.vertices[1]\n elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then\n drawing.pending.p1 = drawing.pending.center\n end\n drawing.pending.mode = 'line'\n elseif chord == 'C-l' and not App.mouse_down(1) then\n State.current_drawing_mode = 'line'\n elseif App.mouse_down(1) and chord == 'm' then\n State.current_drawing_mode = 'manhattan'\n local drawing = Drawing.select_drawing_at_mouse(State)\n if drawing.pending.mode == 'freehand' then\n drawing.pending.p1 = Drawing.find_or_insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y, State.width)\n elseif drawing.pending.mode == 'line' then\n -- do nothing\n elseif drawing.pending.mode == 'polygon' or drawing.pending.mode == 'rectangle' or drawing.pending.mode == 'square' then\n drawing.pending.p1 = drawing.pending.vertices[1]\n elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then\n drawing.pending.p1 = drawing.pending.center\n end\n drawing.pending.mode = 'manhattan'\n elseif chord == 'C-m' and not App.mouse_down(1) then\n State.current_drawing_mode = 'manhattan'\n elseif chord == 'C-g' and not App.mouse_down(1) then\n State.current_drawing_mode = 'polygon'\n elseif App.mouse_down(1) and chord == 'g' then\n State.current_drawing_mode = 'polygon'\n local _,drawing = Drawing.current_drawing(State)\n if drawing.pending.mode == 'freehand' then\n drawing.pending.vertices = {Drawing.find_or_insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y, State.width)}\n elseif drawing.pending.mode == 'line' or drawing.pending.mode == 'manhattan' then\n if drawing.pending.vertices == nil then\n drawing.pending.vertices = {drawing.pending.p1}\n end\n elseif drawing.pending.mode == 'rectangle' or drawing.pending.mode == 'square' then\n -- reuse existing vertices\n elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then\n drawing.pending.vertices = {drawing.pending.center}\n end\n drawing.pending.mode = 'polygon'\n elseif chord == 'C-r' and not App.mouse_down(1) then\n State.current_drawing_mode = 'rectangle'\n elseif App.mouse_down(1) and chord == 'r' then\n State.current_drawing_mode = 'rectangle'\n local _,drawing = Drawing.current_drawing(State)\n if drawing.pending.mode == 'freehand' then\n drawing.pending.vertices = {Drawing.find_or_insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y, State.width)}\n elseif drawing.pending.mode == 'line' or drawing.pending.mode == 'manhattan' then\n if drawing.pending.vertices == nil then\n drawing.pending.vertices = {drawing.pending.p1}\n end\n elseif drawing.pending.mode == 'polygon' or drawing.pending.mode == 'square' then\n -- reuse existing (1-2) vertices\n elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then\n drawing.pending.vertices = {drawing.pending.center}\n end\n drawing.pending.mode = 'rectangle'\n elseif chord == 'C-s' and not App.mouse_down(1) then\n State.current_drawing_mode = 'square'\n elseif App.mouse_down(1) and chord == 's' then\n State.current_drawing_mode = 'square'\n local _,drawing = Drawing.current_drawing(State)\n if drawing.pending.mode == 'freehand' then\n drawing.pending.vertices = {Drawing.find_or_insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y, State.width)}\n elseif drawing.pending.mode == 'line' or drawing.pending.mode == 'manhattan' then\n if drawing.pending.vertices == nil then\n drawing.pending.vertices = {drawing.pending.p1}\n end\n elseif drawing.pending.mode == 'polygon' then\n while #drawing.pending.vertices > 2 do\n table.remove(drawing.pending.vertices)\n end\n elseif drawing.pending.mode == 'rectangle' then\n -- reuse existing (1-2) vertices\n elseif drawing.pending.mode == 'circle' or drawing.pending.mode == 'arc' then\n drawing.pending.vertices = {drawing.pending.center}\n end\n drawing.pending.mode = 'square'\n elseif App.mouse_down(1) and chord == 'p' and State.current_drawing_mode == 'polygon' then\n local _,drawing,line_cache = Drawing.current_drawing(State)\n local mx,my = Drawing.coord(App.mouse_x()-State.left, State.width), Drawing.coord(App.mouse_y()-line_cache.starty, State.width)\n local j = Drawing.find_or_insert_point(drawing.points, mx,my, State.width)\n table.insert(drawing.pending.vertices, j)\n elseif App.mouse_down(1) and chord == 'p' and (State.current_drawing_mode == 'rectangle' or State.current_drawing_mode == 'square') then\n local _,drawing,line_cache = Drawing.current_drawing(State)\n local mx,my = Drawing.coord(App.mouse_x()-State.left, State.width), Drawing.coord(App.mouse_y()-line_cache.starty, State.width)\n local j = Drawing.find_or_insert_point(drawing.points, mx,my, State.width)\n while #drawing.pending.vertices >= 2 do\n table.remove(drawing.pending.vertices)\n end\n table.insert(drawing.pending.vertices, j)\n elseif chord == 'C-o' and not App.mouse_down(1) then\n State.current_drawing_mode = 'circle'\n elseif App.mouse_down(1) and chord == 'a' and State.current_drawing_mode == 'circle' then\n local _,drawing,line_cache = Drawing.current_drawing(State)\n drawing.pending.mode = 'arc'\n local mx,my = Drawing.coord(App.mouse_x()-State.left, State.width), Drawing.coord(App.mouse_y()-line_cache.starty, State.width)\n local center = drawing.points[drawing.pending.center]\n drawing.pending.radius = round(geom.dist(center.x,center.y, mx,my))\n drawing.pending.start_angle = geom.angle(center.x,center.y, mx,my)\n elseif App.mouse_down(1) and chord == 'o' then\n State.current_drawing_mode = 'circle'\n local _,drawing = Drawing.current_drawing(State)\n if drawing.pending.mode == 'freehand' then\n drawing.pending.center = Drawing.find_or_insert_point(drawing.points, drawing.pending.points[1].x, drawing.pending.points[1].y, State.width)\n elseif drawing.pending.mode == 'line' or drawing.pending.mode == 'manhattan' then\n drawing.pending.center = drawing.pending.p1\n elseif drawing.pending.mode == 'polygon' or drawing.pending.mode == 'rectangle' or drawing.pending.mode == 'square' then\n drawing.pending.center = drawing.pending.vertices[1]\n end\n drawing.pending.mode = 'circle'\n elseif chord == 'C-u' and not App.mouse_down(1) then\n local drawing_index,drawing,line_cache,i,p = Drawing.select_point_at_mouse(State)\n if drawing then\n if State.previous_drawing_mode == nil then\n State.previous_drawing_mode = State.current_drawing_mode\n end\n State.current_drawing_mode = 'move'\n drawing.pending = {mode=State.current_drawing_mode, target_point=p, target_point_index=i}\n State.lines.current_drawing_index = drawing_index\n State.lines.current_drawing = drawing\n end\n elseif chord == 'C-n' and not App.mouse_down(1) then\n local drawing_index,drawing,line_cache,point_index,p = Drawing.select_point_at_mouse(State)\n if drawing then\n if State.previous_drawing_mode == nil then\n -- don't clobber\n State.previous_drawing_mode = State.current_drawing_mode\n end\n State.current_drawing_mode = 'name'\n p.name = ''\n drawing.pending = {mode=State.current_drawing_mode, target_point=point_index}\n State.lines.current_drawing_index = drawing_index\n State.lines.current_drawing = drawing\n end\n elseif chord == 'C-d' and not App.mouse_down(1) then\n local _,drawing,_,i,p = Drawing.select_point_at_mouse(State)\n if drawing then\n for _,shape in ipairs(drawing.shapes) do\n if Drawing.contains_point(shape, i) then\n if shape.mode == 'polygon' then\n local idx = table.find(shape.vertices, i)\n assert(idx)\n table.remove(shape.vertices, idx)\n if #shape.vertices < 3 then\n shape.mode = 'deleted'\n end\n else\n shape.mode = 'deleted'\n end\n end\n end\n drawing.points[i].deleted = true\n end\n local drawing,_,_,shape = Drawing.select_shape_at_mouse(State)\n if drawing then\n shape.mode = 'deleted'\n end\n elseif chord == 'C-h' and not App.mouse_down(1) then\n local drawing = Drawing.select_drawing_at_mouse(State)\n if drawing then\n drawing.show_help = true\n end\n elseif chord == 'escape' and App.mouse_down(1) then\n local _,drawing = Drawing.current_drawing(State)\n drawing.pending = {}\n end\nend\n\nfunction Drawing.complete_rectangle(firstx,firsty, secondx,secondy, x,y)\n if firstx == secondx then\n return x,secondy, x,firsty\n end\n if firsty == secondy then\n return secondx,y, firstx,y\n end\n local first_slope = (secondy-firsty)/(secondx-firstx)\n -- slope of second edge:\n -- -1/first_slope\n -- equation of line containing the second edge:\n -- y-secondy = -1/first_slope*(x-secondx)\n -- => 1/first_slope*x + y + (- secondy - secondx/first_slope) = 0\n -- now we want to find the point on this line that's closest to the mouse pointer.\n -- https://en.wikipedia.org/wiki/Distance_from_a_point_to_a_line#Line_defined_by_an_equation\n local a = 1/first_slope\n local c = -secondy - secondx/first_slope\n local thirdx = round(((x-a*y) - a*c) / (a*a + 1))\n local thirdy = round((a*(-x + a*y) - c) / (a*a + 1))\n -- slope of third edge = first_slope\n -- equation of line containing third edge:\n -- y - thirdy = first_slope*(x-thirdx)\n -- => -first_slope*x + y + (-thirdy + thirdx*first_slope) = 0\n -- now we want to find the point on this line that's closest to the first point\n local a = -first_slope\n local c = -thirdy + thirdx*first_slope\n local fourthx = round(((firstx-a*firsty) - a*c) / (a*a + 1))\n local fourthy = round((a*(-firstx + a*firsty) - c) / (a*a + 1))\n return thirdx,thirdy, fourthx,fourthy\nend\n\nfunction Drawing.complete_square(firstx,firsty, secondx,secondy, x,y)\n -- use x,y only to decide which side of the first edge to complete the square on\n local deltax = secondx-firstx\n local deltay = secondy-firsty\n local thirdx = secondx+deltay\n local thirdy = secondy-deltax\n if not geom.same_side(firstx,firsty, secondx,secondy, thirdx,thirdy, x,y) then\n deltax = -deltax\n deltay = -deltay\n thirdx = secondx+deltay\n thirdy = secondy-deltax\n end\n local fourthx = firstx+deltay\n local fourthy = firsty-deltax\n return thirdx,thirdy, fourthx,fourthy\nend\n\nfunction Drawing.current_drawing(State)\n local x, y = App.mouse_x(), App.mouse_y()\n for drawing_index,drawing in ipairs(State.lines) do\n if drawing.mode == 'drawing' then\n local line_cache = State.line_cache[drawing_index]\n if Drawing.in_drawing(drawing, line_cache, x,y, State.left,State.right) then\n return drawing_index,drawing,line_cache\n end\n end\n end\n return nil\nend\n\nfunction Drawing.select_shape_at_mouse(State)\n for drawing_index,drawing in ipairs(State.lines) do\n if drawing.mode == 'drawing' then\n local x, y = App.mouse_x(), App.mouse_y()\n local line_cache = State.line_cache[drawing_index]\n if Drawing.in_drawing(drawing, line_cache, x,y, State.left,State.right) then\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n for i,shape in ipairs(drawing.shapes) do\n assert(shape)\n if geom.on_shape(mx,my, drawing, shape) then\n return drawing,line_cache,i,shape\n end\n end\n end\n end\n end\nend\n\nfunction Drawing.select_point_at_mouse(State)\n for drawing_index,drawing in ipairs(State.lines) do\n if drawing.mode == 'drawing' then\n local x, y = App.mouse_x(), App.mouse_y()\n local line_cache = State.line_cache[drawing_index]\n if Drawing.in_drawing(drawing, line_cache, x,y, State.left,State.right) then\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n for i,point in ipairs(drawing.points) do\n assert(point)\n if Drawing.near(point, mx,my, State.width) then\n return drawing_index,drawing,line_cache,i,point\n end\n end\n end\n end\n end\nend\n\nfunction Drawing.select_drawing_at_mouse(State)\n for drawing_index,drawing in ipairs(State.lines) do\n if drawing.mode == 'drawing' then\n local x, y = App.mouse_x(), App.mouse_y()\n local line_cache = State.line_cache[drawing_index]\n if Drawing.in_drawing(drawing, line_cache, x,y, State.left,State.right) then\n return drawing\n end\n end\n end\nend\n\nfunction Drawing.contains_point(shape, p)\n if shape.mode == 'freehand' then\n -- not supported\n elseif shape.mode == 'line' or shape.mode == 'manhattan' then\n return shape.p1 == p or shape.p2 == p\n elseif shape.mode == 'polygon' or shape.mode == 'rectangle' or shape.mode == 'square' then\n return table.find(shape.vertices, p)\n elseif shape.mode == 'circle' then\n return shape.center == p\n elseif shape.mode == 'arc' then\n return shape.center == p\n -- ugh, how to support angles\n elseif shape.mode == 'deleted' then\n -- already done\n else\n print(shape.mode)\n assert(false)\n end\nend\n\nfunction Drawing.smoothen(shape)\n assert(shape.mode == 'freehand')\n for _=1,7 do\n for i=2,#shape.points-1 do\n local a = shape.points[i-1]\n local b = shape.points[i]\n local c = shape.points[i+1]\n b.x = round((a.x + b.x + c.x)/3)\n b.y = round((a.y + b.y + c.y)/3)\n end\n end\nend\n\nfunction round(num)\n return math.floor(num+.5)\nend\n\nfunction Drawing.find_or_insert_point(points, x,y, width)\n -- check if UI would snap the two points together\n for i,point in ipairs(points) do\n if Drawing.near(point, x,y, width) then\n return i\n end\n end\n table.insert(points, {x=x, y=y})\n return #points\nend\n\nfunction Drawing.near(point, x,y, width)\n local px,py = Drawing.pixels(x, width),Drawing.pixels(y, width)\n local cx,cy = Drawing.pixels(point.x, width), Drawing.pixels(point.y, width)\n return (cx-px)*(cx-px) + (cy-py)*(cy-py) < Same_point_distance*Same_point_distance\nend\n\nfunction Drawing.pixels(n, width) -- parts to pixels\n return math.floor(n*width/256)\nend\nfunction Drawing.coord(n, width) -- pixels to parts\n return math.floor(n*256/width)\nend\n\nfunction table.find(h, x)\n for k,v in pairs(h) do\n if v == x then\n return k\n end\n end\nend\n"},{"Del":" if chord == 'C-p' and not App.mouse_down(1) then\n"},{"Del":"function Drawing.mouse_release(State, x,y, mouse_button)\n"},{"Del":" if State.current_drawing_mode == 'move' then\n State.current_drawing_mode = State.previous_drawing_mode\n State.previous_drawing_mode = nil\n if State.lines.current_drawing then\n State.lines.current_drawing.pending = {}\n State.lines.current_drawing = nil\n end\n elseif State.lines.current_drawing then\n local drawing = State.lines.current_drawing\n local line_cache = State.line_cache[State.lines.current_drawing_index]\n if drawing.pending then\n if drawing.pending.mode == nil then\n -- nothing pending\n elseif drawing.pending.mode == 'freehand' then\n -- the last point added during update is good enough\n Drawing.smoothen(drawing.pending)\n table.insert(drawing.shapes, drawing.pending)\n elseif drawing.pending.mode == 'line' then\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then\n drawing.pending.p2 = Drawing.find_or_insert_point(drawing.points, mx,my, State.width)\n table.insert(drawing.shapes, drawing.pending)\n end\n elseif drawing.pending.mode == 'manhattan' then\n local p1 = drawing.points[drawing.pending.p1]\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then\n if math.abs(mx-p1.x) > math.abs(my-p1.y) then\n drawing.pending.p2 = Drawing.find_or_insert_point(drawing.points, mx, p1.y, State.width)\n else\n drawing.pending.p2 = Drawing.find_or_insert_point(drawing.points, p1.x, my, State.width)\n end\n local p2 = drawing.points[drawing.pending.p2]\n App.mouse_move(State.left+Drawing.pixels(p2.x, State.width), line_cache.starty+Drawing.pixels(p2.y, State.width))\n table.insert(drawing.shapes, drawing.pending)\n end\n elseif drawing.pending.mode == 'polygon' then\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then\n table.insert(drawing.pending.vertices, Drawing.find_or_insert_point(drawing.points, mx,my, State.width))\n table.insert(drawing.shapes, drawing.pending)\n end\n elseif drawing.pending.mode == 'rectangle' then\n assert(#drawing.pending.vertices <= 2)\n if #drawing.pending.vertices == 2 then\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then\n local first = drawing.points[drawing.pending.vertices[1]]\n local second = drawing.points[drawing.pending.vertices[2]]\n local thirdx,thirdy, fourthx,fourthy = Drawing.complete_rectangle(first.x,first.y, second.x,second.y, mx,my)\n table.insert(drawing.pending.vertices, Drawing.find_or_insert_point(drawing.points, thirdx,thirdy, State.width))\n table.insert(drawing.pending.vertices, Drawing.find_or_insert_point(drawing.points, fourthx,fourthy, State.width))\n table.insert(drawing.shapes, drawing.pending)\n end\n else\n -- too few points; draw nothing\n end\n elseif drawing.pending.mode == 'square' then\n assert(#drawing.pending.vertices <= 2)\n if #drawing.pending.vertices == 2 then\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then\n local first = drawing.points[drawing.pending.vertices[1]]\n local second = drawing.points[drawing.pending.vertices[2]]\n local thirdx,thirdy, fourthx,fourthy = Drawing.complete_square(first.x,first.y, second.x,second.y, mx,my)\n table.insert(drawing.pending.vertices, Drawing.find_or_insert_point(drawing.points, thirdx,thirdy, State.width))\n table.insert(drawing.pending.vertices, Drawing.find_or_insert_point(drawing.points, fourthx,fourthy, State.width))\n table.insert(drawing.shapes, drawing.pending)\n end\n end\n elseif drawing.pending.mode == 'circle' then\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then\n local center = drawing.points[drawing.pending.center]\n drawing.pending.radius = round(geom.dist(center.x,center.y, mx,my))\n table.insert(drawing.shapes, drawing.pending)\n end\n elseif drawing.pending.mode == 'arc' then\n local mx,my = Drawing.coord(x-State.left, State.width), Drawing.coord(y-line_cache.starty, State.width)\n if mx >= 0 and mx < 256 and my >= 0 and my < drawing.h then\n local center = drawing.points[drawing.pending.center]\n drawing.pending.end_angle = geom.angle_with_hint(center.x,center.y, mx,my, drawing.pending.end_angle)\n table.insert(drawing.shapes, drawing.pending)\n end\n elseif drawing.pending.mode == 'name' then\n -- drop it\n else\n print(drawing.pending.mode)\n assert(false)\n end\n State.lines.current_drawing.pending = {}\n State.lines.current_drawing = nil\n end\n end\nend\n\n"},{"Del":" if State.current_drawing_mode == 'move' then\n State.current_drawing_mode = State.previous_drawing_mode\n State.previous_drawing_mode = nil\n if State.lines.current_drawing then\n State.lines.current_drawing.pending = {}\n State.lines.current_drawing = nil\n"},{"Del":" -- all the action is in mouse_release\n"},{"Del":" elseif State.current_drawing_mode == 'name' then\n -- nothing\n else\n print(State.current_drawing_mode)\n assert(false)\n end\nend\n\n-- a couple of operations on drawings need to constantly check the state of the mouse\nfunction Drawing.update(State)\n if State.lines.current_drawing == nil then return end\n local drawing = State.lines.current_drawing\n local line_cache = State.line_cache[State.lines.current_drawing_index]\n assert(drawing.mode == 'drawing')\n local pmx, pmy = App.mouse_x(), App.mouse_y()\n local mx = Drawing.coord(pmx-State.left, State.width)\n local my = Drawing.coord(pmy-line_cache.starty, State.width)\n if App.mouse_down(1) then\n if Drawing.in_drawing(drawing, line_cache, pmx,pmy, State.left,State.right) then\n if drawing.pending.mode == 'freehand' then\n table.insert(drawing.pending.points, {x=mx, y=my})\n elseif drawing.pending.mode == 'move' then\n drawing.pending.target_point.x = mx\n drawing.pending.target_point.y = my\n Drawing.relax_constraints(drawing, drawing.pending.target_point_index)\n end\n end\n elseif State.current_drawing_mode == 'move' then\n if Drawing.in_drawing(drawing, line_cache, pmx, pmy, State.left,State.right) then\n drawing.pending.target_point.x = mx\n drawing.pending.target_point.y = my\n Drawing.relax_constraints(drawing, drawing.pending.target_point_index)\n end\n else\n -- do nothing\n end\nend\n\nfunction Drawing.relax_constraints(drawing, p)\n for _,shape in ipairs(drawing.shapes) do\n if shape.mode == 'manhattan' then\n if shape.p1 == p then\n shape.mode = 'line'\n elseif shape.p2 == p then\n shape.mode = 'line'\n end\n elseif shape.mode == 'rectangle' or shape.mode == 'square' then\n for _,v in ipairs(shape.vertices) do\n if v == p then\n shape.mode = 'polygon'\n end\n end\n end\n end\nend\n\n"},{"Del":" elseif State.current_drawing_mode == 'name' then\n"},{"Del":" -- after mouse_release\n"},{"Del":"function Drawing.mouse_press(State, drawing_index, x,y, mouse_button)\n"},{"Del":" local drawing = State.lines[drawing_index]\n local line_cache = State.line_cache[drawing_index]\n local cx = Drawing.coord(x-State.left, State.width)\n local cy = Drawing.coord(y-line_cache.starty, State.width)\n if State.current_drawing_mode == 'freehand' then\n drawing.pending = {mode=State.current_drawing_mode, points={{x=cx, y=cy}}}\n elseif State.current_drawing_mode == 'line' or State.current_drawing_mode == 'manhattan' then\n local j = Drawing.find_or_insert_point(drawing.points, cx, cy, State.width)\n drawing.pending = {mode=State.current_drawing_mode, p1=j}\n elseif State.current_drawing_mode == 'polygon' or State.current_drawing_mode == 'rectangle' or State.current_drawing_mode == 'square' then\n local j = Drawing.find_or_insert_point(drawing.points, cx, cy, State.width)\n drawing.pending = {mode=State.current_drawing_mode, vertices={j}}\n elseif State.current_drawing_mode == 'circle' then\n local j = Drawing.find_or_insert_point(drawing.points, cx, cy, State.width)\n drawing.pending = {mode=State.current_drawing_mode, center=j}\n elseif State.current_drawing_mode == 'move' then\n"},{"Del":" local drawing = State.lines[drawing_index]\n local line_cache = State.line_cache[drawing_index]\n"},{"Del":" pmx,pmy = px(mx), py(my)\n local shape = drawing.pending\n if shape.mode == nil then\n -- nothing pending\n elseif shape.mode == 'freehand' then\n local shape_copy = deepcopy(shape)\n Drawing.smoothen(shape_copy)\n Drawing.draw_shape(drawing, shape_copy, top, left,right)\n elseif shape.mode == 'line' then\n if mx < 0 or mx >= 256 or my < 0 or my >= drawing.h then\n return\n end\n local p1 = drawing.points[shape.p1]\n love.graphics.line(px(p1.x),py(p1.y), pmx,pmy)\n elseif shape.mode == 'manhattan' then\n if mx < 0 or mx >= 256 or my < 0 or my >= drawing.h then\n return\n end\n local p1 = drawing.points[shape.p1]\n if math.abs(mx-p1.x) > math.abs(my-p1.y) then\n love.graphics.line(px(p1.x),py(p1.y), pmx, py(p1.y))\n else\n love.graphics.line(px(p1.x),py(p1.y), px(p1.x),pmy)\n end\n elseif shape.mode == 'polygon' then\n -- don't close the loop on a pending polygon\n local prev = nil\n for _,point in ipairs(shape.vertices) do\n local curr = drawing.points[point]\n if prev then\n love.graphics.line(px(prev.x),py(prev.y), px(curr.x),py(curr.y))\n end\n prev = curr\n end\n love.graphics.line(px(prev.x),py(prev.y), pmx,pmy)\n elseif shape.mode == 'rectangle' then\n local first = drawing.points[shape.vertices[1]]\n if #shape.vertices == 1 then\n love.graphics.line(px(first.x),py(first.y), pmx,pmy)\n return\n end\n local second = drawing.points[shape.vertices[2]]\n local thirdx,thirdy, fourthx,fourthy = Drawing.complete_rectangle(first.x,first.y, second.x,second.y, mx,my)\n love.graphics.line(px(first.x),py(first.y), px(second.x),py(second.y))\n love.graphics.line(px(second.x),py(second.y), px(thirdx),py(thirdy))\n love.graphics.line(px(thirdx),py(thirdy), px(fourthx),py(fourthy))\n love.graphics.line(px(fourthx),py(fourthy), px(first.x),py(first.y))\n elseif shape.mode == 'square' then\n local first = drawing.points[shape.vertices[1]]\n if #shape.vertices == 1 then\n love.graphics.line(px(first.x),py(first.y), pmx,pmy)\n return\n end\n local second = drawing.points[shape.vertices[2]]\n local thirdx,thirdy, fourthx,fourthy = Drawing.complete_square(first.x,first.y, second.x,second.y, mx,my)\n love.graphics.line(px(first.x),py(first.y), px(second.x),py(second.y))\n love.graphics.line(px(second.x),py(second.y), px(thirdx),py(thirdy))\n love.graphics.line(px(thirdx),py(thirdy), px(fourthx),py(fourthy))\n love.graphics.line(px(fourthx),py(fourthy), px(first.x),py(first.y))\n elseif shape.mode == 'circle' then\n local center = drawing.points[shape.center]\n if mx < 0 or mx >= 256 or my < 0 or my >= drawing.h then\n return\n end\n local cx,cy = px(center.x), py(center.y)\n love.graphics.circle('line', cx,cy, geom.dist(cx,cy, App.mouse_x(),App.mouse_y()))\n elseif shape.mode == 'arc' then\n local center = drawing.points[shape.center]\n if mx < 0 or mx >= 256 or my < 0 or my >= drawing.h then\n return\n end\n shape.end_angle = geom.angle_with_hint(center.x,center.y, mx,my, shape.end_angle)\n local cx,cy = px(center.x), py(center.y)\n love.graphics.arc('line', 'open', cx,cy, Drawing.pixels(shape.radius, width), shape.start_angle, shape.end_angle, 360)\n elseif shape.mode == 'move' then\n -- nothing pending; changes are immediately committed\n elseif shape.mode == 'name' then\n -- nothing pending; changes are immediately committed\n else\n print(shape.mode)\n assert(false)\n end\nend\n\nfunction Drawing.in_drawing(drawing, line_cache, x,y, left,right)\n if line_cache.starty == nil then return false end -- outside current page\n local width = right-left\n return y >= line_cache.starty and y < line_cache.starty + Drawing.pixels(drawing.h, width) and x >= left and x < right\nend\n\n"},{"Del":" pmx,pmy = px(mx), py(my)\n"},{"Del":"-- primitives for editing drawings\nDrawing = {}\nrequire 'drawing_tests'\n\n-- All drawings span 100% of some conceptual 'page width' and divide it up\n-- into 256 parts.\nfunction Drawing.draw(State, line_index, y)\n local line = State.lines[line_index]\n local line_cache = State.line_cache[line_index]\n line_cache.starty = y\n local pmx,pmy = App.mouse_x(), App.mouse_y()\n if pmx < State.right and pmy > line_cache.starty and pmy < line_cache.starty+Drawing.pixels(line.h, State.width) then\n App.color(Icon_color)\n love.graphics.rectangle('line', State.left,line_cache.starty, State.width,Drawing.pixels(line.h, State.width))\n if icon[State.current_drawing_mode] then\n icon[State.current_drawing_mode](State.right-22, line_cache.starty+4)\n else\n icon[State.previous_drawing_mode](State.right-22, line_cache.starty+4)\n end\n\n if App.mouse_down(1) and love.keyboard.isDown('h') then\n draw_help_with_mouse_pressed(State, line_index)\n return\n end\n end\n\n if line.show_help then\n draw_help_without_mouse_pressed(State, line_index)\n return\n end\n\n local mx = Drawing.coord(pmx-State.left, State.width)\n local my = Drawing.coord(pmy-line_cache.starty, State.width)\n\n for _,shape in ipairs(line.shapes) do\n assert(shape)\n if geom.on_shape(mx,my, line, shape) then\n App.color(Focus_stroke_color)\n else\n App.color(Stroke_color)\n end\n Drawing.draw_shape(line, shape, line_cache.starty, State.left,State.right)\n end\n\n local function px(x) return Drawing.pixels(x, State.width)+State.left end\n local function py(y) return Drawing.pixels(y, State.width)+line_cache.starty end\n for i,p in ipairs(line.points) do\n if p.deleted == nil then\n if Drawing.near(p, mx,my, State.width) then\n App.color(Focus_stroke_color)\n love.graphics.circle('line', px(p.x),py(p.y), Same_point_distance)\n else\n App.color(Stroke_color)\n love.graphics.circle('fill', px(p.x),py(p.y), 2)\n end\n if p.name then\n -- TODO: clip\n local x,y = px(p.x)+5, py(p.y)+5\n love.graphics.print(p.name, x,y)\n if State.current_drawing_mode == 'name' and i == line.pending.target_point then\n -- create a faint red box for the name\n App.color(Current_name_background_color)\n local name_text\n -- TODO: avoid computing name width on every repaint\n if p.name == '' then\n name_text = State.em\n else\n name_text = App.newText(love.graphics.getFont(), p.name)\n end\n love.graphics.rectangle('fill', x,y, App.width(name_text), State.line_height)\n end\n end\n end\n end\n App.color(Current_stroke_color)\n Drawing.draw_pending_shape(line, line_cache.starty, State.left,State.right)\nend\n\nfunction Drawing.draw_shape(drawing, shape, top, left,right)\n local width = right-left\n local function px(x) return Drawing.pixels(x, width)+left end\n local function py(y) return Drawing.pixels(y, width)+top end\n if shape.mode == 'freehand' then\n local prev = nil\n for _,point in ipairs(shape.points) do\n if prev then\n love.graphics.line(px(prev.x),py(prev.y), px(point.x),py(point.y))\n end\n prev = point\n end\n elseif shape.mode == 'line' or shape.mode == 'manhattan' then\n local p1 = drawing.points[shape.p1]\n local p2 = drawing.points[shape.p2]\n love.graphics.line(px(p1.x),py(p1.y), px(p2.x),py(p2.y))\n elseif shape.mode == 'polygon' or shape.mode == 'rectangle' or shape.mode == 'square' then\n local prev = nil\n for _,point in ipairs(shape.vertices) do\n local curr = drawing.points[point]\n if prev then\n love.graphics.line(px(prev.x),py(prev.y), px(curr.x),py(curr.y))\n end\n prev = curr\n end\n -- close the loop\n local curr = drawing.points[shape.vertices[1]]\n love.graphics.line(px(prev.x),py(prev.y), px(curr.x),py(curr.y))\n elseif shape.mode == 'circle' then\n -- TODO: clip\n local center = drawing.points[shape.center]\n love.graphics.circle('line', px(center.x),py(center.y), Drawing.pixels(shape.radius, width))\n elseif shape.mode == 'arc' then\n local center = drawing.points[shape.center]\n love.graphics.arc('line', 'open', px(center.x),py(center.y), Drawing.pixels(shape.radius, width), shape.start_angle, shape.end_angle, 360)\n elseif shape.mode == 'deleted' then\n -- ignore\n else\n print(shape.mode)\n assert(false)\n end\nend\n\nfunction Drawing.draw_pending_shape(drawing, top, left,right)\n local width = right-left\n local pmx,pmy = App.mouse_x(), App.mouse_y()\n local function px(x) return Drawing.pixels(x, width)+left end\n local function py(y) return Drawing.pixels(y, width)+top end\n local mx = Drawing.coord(pmx-left, width)\n local my = Drawing.coord(pmy-top, width)\n -- recreate pixels from coords to precisely mimic how the drawing will look\n"}]}},{"FileDel":{"deleted_names":[{"basename":"drawing_tests.lua","metadata":0},{"basename":"drawing_tests.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":1534,"end":1575},"introduced_by":3},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":1534,"end":1575},"introduced_by":3},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":1575},"to":{"change":5,"start":15,"end":15},"introduced_by":3}],"inode":{"change":5,"pos":15}}},"content_edges":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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DELETED","from":{"change":5,"pos":11183},"to":{"change":4,"start":8874,"end":8921},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":8921},"to":{"change":5,"start":11228,"end":13005},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":9890},"to":{"change":4,"start":8800,"end":8873},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":8873},"to":{"change":5,"start":9962,"end":11183},"introduced_by":4}],"inode":{"change":5,"pos":15}},"content":[{"Del":""},{"Del":" Current_time = Current_time + 3.1\n"},{"Del":" edit.run_after_text_input(Editor_state, 'A')\n"},{"Del":" edit.run_after_keychord(Editor_state, 'return')\n check_eq(p2.name, 'A', 'F - test_undo_name_point/baseline')\n check_eq(#Editor_state.history, 3, 'F - test_undo_name_point/baseline/history:2')\n check_eq(Editor_state.next_history, 4, 'F - test_undo_name_point/baseline/next_history')\n--? print('b', Editor_state.lines.current_drawing)\n -- undo\n edit.run_after_keychord(Editor_state, 'C-z')\n local drawing = Editor_state.lines[1]\n local p2 = drawing.points[drawing.shapes[1].p2]\n check_eq(Editor_state.next_history, 3, 'F - test_undo_name_point/next_history')\n check_eq(p2.name, '', 'F - test_undo_name_point') -- not quite what it was before, but close enough\n -- wait until save\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p') -- add point\n"},{"Del":" -- third point\n edit.run_after_mouse_release(Editor_state, Editor_state.left+14, Editor_state.top+Drawing_padding_top+16, 1)\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_delete_point_from_polygon/baseline/#shapes')\n check_eq(drawing.shapes[1].mode, 'polygon', 'F - test_delete_point_from_polygon/baseline/mode')\n check_eq(#drawing.shapes[1].vertices, 3, 'F - test_delete_point_from_polygon/baseline/vertices')\n -- hover on a point and delete\n App.mouse_move(Editor_state.left+65, Editor_state.top+Drawing_padding_top+36)\n edit.run_after_keychord(Editor_state, 'C-d')\n -- there's < 3 points left, so the whole polygon is deleted\n check_eq(drawing.shapes[1].mode, 'deleted', 'F - test_delete_point_from_polygon')\nend\n\nfunction test_undo_name_point()\n io.write('\\ntest_undo_name_point')\n -- create a drawing with a line\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.filename = 'foo'\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n Editor_state.current_drawing_mode = 'line'\n edit.draw(Editor_state)\n -- draw a line\n edit.run_after_mouse_press(Editor_state, Editor_state.left+5, Editor_state.top+Drawing_padding_top+6, 1)\n edit.run_after_mouse_release(Editor_state, Editor_state.left+35, Editor_state.top+Drawing_padding_top+36, 1)\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_undo_name_point/baseline/#shapes')\n check_eq(#drawing.points, 2, 'F - test_undo_name_point/baseline/#points')\n check_eq(drawing.shapes[1].mode, 'line', 'F - test_undo_name_point/baseline/shape:1')\n local p1 = drawing.points[drawing.shapes[1].p1]\n local p2 = drawing.points[drawing.shapes[1].p2]\n check_eq(p1.x, 5, 'F - test_undo_name_point/baseline/p1:x')\n check_eq(p1.y, 6, 'F - test_undo_name_point/baseline/p1:y')\n check_eq(p2.x, 35, 'F - test_undo_name_point/baseline/p2:x')\n check_eq(p2.y, 36, 'F - test_undo_name_point/baseline/p2:y')\n check_nil(p2.name, 'F - test_undo_name_point/baseline/p2:name')\n check_eq(#Editor_state.history, 1, 'F - test_undo_name_point/baseline/history:1')\n--? print('a', Editor_state.lines.current_drawing)\n -- enter 'name' mode without moving the mouse\n edit.run_after_keychord(Editor_state, 'C-n')\n"},{"Del":" edit.run_after_text_input(Editor_state, 'g') -- polygon mode\n"},{"Del":" -- second point\n App.mouse_move(Editor_state.left+65, Editor_state.top+Drawing_padding_top+36)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p') -- add point\n"},{"Del":" -- fourth point\n edit.run_after_mouse_release(Editor_state, Editor_state.left+14, Editor_state.top+Drawing_padding_top+16, 1)\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_delete_point_from_polygon/baseline/#shapes')\n check_eq(drawing.shapes[1].mode, 'polygon', 'F - test_delete_point_from_polygon/baseline/mode')\n check_eq(#drawing.shapes[1].vertices, 4, 'F - test_delete_point_from_polygon/baseline/vertices')\n -- hover on a point and delete\n App.mouse_move(Editor_state.left+35, Editor_state.top+Drawing_padding_top+26)\n edit.run_after_keychord(Editor_state, 'C-d')\n -- just the one point is deleted\n check_eq(drawing.shapes[1].mode, 'polygon', 'F - test_delete_point_from_polygon/shape')\n check_eq(#drawing.shapes[1].vertices, 3, 'F - test_delete_point_from_polygon/vertices')\nend\n\nfunction test_delete_point_from_polygon()\n io.write('\\ntest_delete_point_from_polygon')\n -- create a drawing with two lines connected at a point\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n Editor_state.current_drawing_mode = 'line'\n edit.draw(Editor_state)\n -- first point\n edit.run_after_mouse_press(Editor_state, Editor_state.left+5, Editor_state.top+Drawing_padding_top+6, 1)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p') -- add point\n"},{"Del":" -- third point\n App.mouse_move(Editor_state.left+35, Editor_state.top+Drawing_padding_top+26)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'g') -- polygon mode\n"},{"Del":" -- second point\n App.mouse_move(Editor_state.left+65, Editor_state.top+Drawing_padding_top+36)\n"},{"Del":""},{"Del":" Current_time = Current_time + 3.1\n"},{"Del":" edit.run_after_text_input(Editor_state, 'A')\n"},{"Del":" check_eq(p2.name, 'A', 'F - test_name_point')\n -- still in 'name' mode\n check_eq(Editor_state.current_drawing_mode, 'name', 'F - test_name_point/mode:2')\n -- exit 'name' mode\n edit.run_after_keychord(Editor_state, 'return')\n check_eq(Editor_state.current_drawing_mode, 'line', 'F - test_name_point/mode:3')\n check_eq(p2.name, 'A', 'F - test_name_point')\n -- wait until save\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p')\n"},{"Del":" -- release (decides which side of first edge to draw square on)\n edit.run_after_mouse_release(Editor_state, Editor_state.left+15, Editor_state.top+Drawing_padding_top+26, 1)\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_draw_square/#shapes')\n check_eq(#drawing.points, 5, 'F - test_draw_square/#points') -- currently includes every point added\n check_eq(drawing.shapes[1].mode, 'square', 'F - test_draw_square/shape_mode')\n check_eq(#drawing.shapes[1].vertices, 4, 'F - test_draw_square/vertices')\n local p = drawing.points[drawing.shapes[1].vertices[1]]\n check_eq(p.x, 35, 'F - test_draw_square/p1:x')\n check_eq(p.y, 36, 'F - test_draw_square/p1:y')\n local p = drawing.points[drawing.shapes[1].vertices[2]]\n check_eq(p.x, 65, 'F - test_draw_square/p2:x')\n check_eq(p.y, 66, 'F - test_draw_square/p2:y')\n local p = drawing.points[drawing.shapes[1].vertices[3]]\n check_eq(p.x, 35, 'F - test_draw_square/p3:x')\n check_eq(p.y, 96, 'F - test_draw_square/p3:y')\n local p = drawing.points[drawing.shapes[1].vertices[4]]\n check_eq(p.x, 5, 'F - test_draw_square/p4:x')\n check_eq(p.y, 66, 'F - test_draw_square/p4:y')\nend\n\nfunction test_name_point()\n io.write('\\ntest_name_point')\n -- create a drawing with a line\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.filename = 'foo'\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n Editor_state.current_drawing_mode = 'line'\n edit.draw(Editor_state)\n -- draw a line\n edit.run_after_mouse_press(Editor_state, Editor_state.left+5, Editor_state.top+Drawing_padding_top+6, 1)\n edit.run_after_mouse_release(Editor_state, Editor_state.left+35, Editor_state.top+Drawing_padding_top+36, 1)\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_name_point/baseline/#shapes')\n check_eq(#drawing.points, 2, 'F - test_name_point/baseline/#points')\n check_eq(drawing.shapes[1].mode, 'line', 'F - test_name_point/baseline/shape:1')\n local p1 = drawing.points[drawing.shapes[1].p1]\n local p2 = drawing.points[drawing.shapes[1].p2]\n check_eq(p1.x, 5, 'F - test_name_point/baseline/p1:x')\n check_eq(p1.y, 6, 'F - test_name_point/baseline/p1:y')\n check_eq(p2.x, 35, 'F - test_name_point/baseline/p2:x')\n check_eq(p2.y, 36, 'F - test_name_point/baseline/p2:y')\n check_nil(p2.name, 'F - test_name_point/baseline/p2:name')\n -- enter 'name' mode without moving the mouse\n edit.run_after_keychord(Editor_state, 'C-n')\n check_eq(Editor_state.current_drawing_mode, 'name', 'F - test_name_point/mode:1')\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p')\n"},{"Del":" -- override second point/first edge\n App.mouse_move(Editor_state.left+65, Editor_state.top+Drawing_padding_top+66)\n"},{"Del":" edit.run_after_text_input(Editor_state, 's') -- square mode\n"},{"Del":" -- second point/first edge\n App.mouse_move(Editor_state.left+42, Editor_state.top+Drawing_padding_top+45)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p')\n"},{"Del":" local drawing = Editor_state.lines[1]\n check_eq(#drawing.points, 3, 'F - test_draw_rectangle_intermediate/#points') -- currently includes every point added\n local pending = drawing.pending\n check_eq(pending.mode, 'rectangle', 'F - test_draw_rectangle_intermediate/shape_mode')\n check_eq(#pending.vertices, 2, 'F - test_draw_rectangle_intermediate/vertices')\n local p = drawing.points[pending.vertices[1]]\n check_eq(p.x, 35, 'F - test_draw_rectangle_intermediate/p1:x')\n check_eq(p.y, 36, 'F - test_draw_rectangle_intermediate/p1:y')\n local p = drawing.points[pending.vertices[2]]\n check_eq(p.x, 75, 'F - test_draw_rectangle_intermediate/p2:x')\n check_eq(p.y, 76, 'F - test_draw_rectangle_intermediate/p2:y')\n -- outline of rectangle is drawn based on where the mouse is, but we can't check that so far\nend\n\nfunction test_draw_square()\n io.write('\\ntest_draw_square')\n -- display a drawing followed by a line of text (you shouldn't ever have a drawing right at the end)\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n edit.draw(Editor_state)\n check_eq(Editor_state.current_drawing_mode, 'line', 'F - test_draw_square/baseline/drawing_mode')\n check_eq(#Editor_state.lines, 2, 'F - test_draw_square/baseline/#lines')\n check_eq(Editor_state.lines[1].mode, 'drawing', 'F - test_draw_square/baseline/mode')\n check_eq(Editor_state.line_cache[1].starty, Editor_state.top+Drawing_padding_top, 'F - test_draw_square/baseline/y')\n check_eq(Editor_state.lines[1].h, 128, 'F - test_draw_square/baseline/y')\n check_eq(#Editor_state.lines[1].shapes, 0, 'F - test_draw_square/baseline/#shapes')\n -- first point\n edit.run_after_mouse_press(Editor_state, Editor_state.left+35, Editor_state.top+Drawing_padding_top+36, 1)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p')\n"},{"Del":" -- override second point/first edge\n App.mouse_move(Editor_state.left+75, Editor_state.top+Drawing_padding_top+76)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'r') -- rectangle mode\n"},{"Del":" -- second point/first edge\n App.mouse_move(Editor_state.left+42, Editor_state.top+Drawing_padding_top+45)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p')\n"},{"Del":" -- release (decides 'thickness' of rectangle perpendicular to first edge)\n edit.run_after_mouse_release(Editor_state, Editor_state.left+15, Editor_state.top+Drawing_padding_top+26, 1)\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_draw_rectangle/#shapes')\n check_eq(#drawing.points, 5, 'F - test_draw_rectangle/#points') -- currently includes every point added\n local shape = drawing.shapes[1]\n check_eq(shape.mode, 'rectangle', 'F - test_draw_rectangle/shape_mode')\n check_eq(#shape.vertices, 4, 'F - test_draw_rectangle/vertices')\n local p = drawing.points[shape.vertices[1]]\n check_eq(p.x, 35, 'F - test_draw_rectangle/p1:x')\n check_eq(p.y, 36, 'F - test_draw_rectangle/p1:y')\n local p = drawing.points[shape.vertices[2]]\n check_eq(p.x, 75, 'F - test_draw_rectangle/p2:x')\n check_eq(p.y, 76, 'F - test_draw_rectangle/p2:y')\n local p = drawing.points[shape.vertices[3]]\n check_eq(p.x, 70, 'F - test_draw_rectangle/p3:x')\n check_eq(p.y, 81, 'F - test_draw_rectangle/p3:y')\n local p = drawing.points[shape.vertices[4]]\n check_eq(p.x, 30, 'F - test_draw_rectangle/p4:x')\n check_eq(p.y, 41, 'F - test_draw_rectangle/p4:y')\nend\n\nfunction test_draw_rectangle_intermediate()\n io.write('\\ntest_draw_rectangle_intermediate')\n -- display a drawing followed by a line of text (you shouldn't ever have a drawing right at the end)\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n edit.draw(Editor_state)\n check_eq(Editor_state.current_drawing_mode, 'line', 'F - test_draw_rectangle_intermediate/baseline/drawing_mode')\n check_eq(#Editor_state.lines, 2, 'F - test_draw_rectangle_intermediate/baseline/#lines')\n check_eq(Editor_state.lines[1].mode, 'drawing', 'F - test_draw_rectangle_intermediate/baseline/mode')\n check_eq(Editor_state.line_cache[1].starty, Editor_state.top+Drawing_padding_top, 'F - test_draw_rectangle_intermediate/baseline/y')\n check_eq(Editor_state.lines[1].h, 128, 'F - test_draw_rectangle_intermediate/baseline/y')\n check_eq(#Editor_state.lines[1].shapes, 0, 'F - test_draw_rectangle_intermediate/baseline/#shapes')\n -- first point\n edit.run_after_mouse_press(Editor_state, Editor_state.left+35, Editor_state.top+Drawing_padding_top+36, 1)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p')\n"},{"Del":" -- override second point/first edge\n App.mouse_move(Editor_state.left+75, Editor_state.top+Drawing_padding_top+76)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'r') -- rectangle mode\n"},{"Del":" -- second point/first edge\n App.mouse_move(Editor_state.left+42, Editor_state.top+Drawing_padding_top+45)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'p') -- add point\n"},{"Del":" -- final point\n edit.run_after_mouse_release(Editor_state, Editor_state.left+35, Editor_state.top+Drawing_padding_top+26, 1)\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_draw_polygon/#shapes')\n check_eq(#drawing.points, 3, 'F - test_draw_polygon/vertices')\n local shape = drawing.shapes[1]\n check_eq(shape.mode, 'polygon', 'F - test_draw_polygon/shape_mode')\n check_eq(#shape.vertices, 3, 'F - test_draw_polygon/vertices')\n local p = drawing.points[shape.vertices[1]]\n check_eq(p.x, 5, 'F - test_draw_polygon/p1:x')\n check_eq(p.y, 6, 'F - test_draw_polygon/p1:y')\n local p = drawing.points[shape.vertices[2]]\n check_eq(p.x, 65, 'F - test_draw_polygon/p2:x')\n check_eq(p.y, 36, 'F - test_draw_polygon/p2:y')\n local p = drawing.points[shape.vertices[3]]\n check_eq(p.x, 35, 'F - test_draw_polygon/p3:x')\n check_eq(p.y, 26, 'F - test_draw_polygon/p3:y')\nend\n\nfunction test_draw_rectangle()\n io.write('\\ntest_draw_rectangle')\n -- display a drawing followed by a line of text (you shouldn't ever have a drawing right at the end)\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n edit.draw(Editor_state)\n check_eq(Editor_state.current_drawing_mode, 'line', 'F - test_draw_rectangle/baseline/drawing_mode')\n check_eq(#Editor_state.lines, 2, 'F - test_draw_rectangle/baseline/#lines')\n check_eq(Editor_state.lines[1].mode, 'drawing', 'F - test_draw_rectangle/baseline/mode')\n check_eq(Editor_state.line_cache[1].starty, Editor_state.top+Drawing_padding_top, 'F - test_draw_rectangle/baseline/y')\n check_eq(Editor_state.lines[1].h, 128, 'F - test_draw_rectangle/baseline/y')\n check_eq(#Editor_state.lines[1].shapes, 0, 'F - test_draw_rectangle/baseline/#shapes')\n -- first point\n edit.run_after_mouse_press(Editor_state, Editor_state.left+35, Editor_state.top+Drawing_padding_top+36, 1)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'g') -- polygon mode\n"},{"Del":" -- second point\n App.mouse_move(Editor_state.left+65, Editor_state.top+Drawing_padding_top+36)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'a') -- arc mode\n"},{"Del":" edit.run_after_mouse_release(Editor_state, Editor_state.left+35+50, Editor_state.top+Drawing_padding_top+36+50, 1) -- 45°\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_draw_arc/#shapes')\n check_eq(#drawing.points, 1, 'F - test_draw_arc/#points')\n check_eq(drawing.shapes[1].mode, 'arc', 'F - test_draw_horizontal_line/shape_mode')\n local arc = drawing.shapes[1]\n check_eq(arc.radius, 30, 'F - test_draw_arc/radius')\n local center = drawing.points[arc.center]\n check_eq(center.x, 35, 'F - test_draw_arc/center:x')\n check_eq(center.y, 36, 'F - test_draw_arc/center:y')\n check_eq(arc.start_angle, 0, 'F - test_draw_arc/start:angle')\n check_eq(arc.end_angle, math.pi/4, 'F - test_draw_arc/end:angle')\nend\n\nfunction test_draw_polygon()\n io.write('\\ntest_draw_polygon')\n -- display a drawing followed by a line of text (you shouldn't ever have a drawing right at the end)\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n edit.draw(Editor_state)\n check_eq(Editor_state.current_drawing_mode, 'line', 'F - test_draw_polygon/baseline/drawing_mode')\n check_eq(#Editor_state.lines, 2, 'F - test_draw_polygon/baseline/#lines')\n check_eq(Editor_state.lines[1].mode, 'drawing', 'F - test_draw_polygon/baseline/mode')\n check_eq(Editor_state.line_cache[1].starty, Editor_state.top+Drawing_padding_top, 'F - test_draw_polygon/baseline/y')\n check_eq(Editor_state.lines[1].h, 128, 'F - test_draw_polygon/baseline/y')\n check_eq(#Editor_state.lines[1].shapes, 0, 'F - test_draw_polygon/baseline/#shapes')\n -- first point\n edit.run_after_mouse_press(Editor_state, Editor_state.left+5, Editor_state.top+Drawing_padding_top+6, 1)\n"},{"Del":" edit.run_after_text_input(Editor_state, 'o')\n"},{"Del":" edit.run_after_mouse_release(Editor_state, Editor_state.left+35+30, Editor_state.top+Drawing_padding_top+36, 1)\n local drawing = Editor_state.lines[1]\n check_eq(#drawing.shapes, 1, 'F - test_draw_circle_mid_stroke/#shapes')\n check_eq(#drawing.points, 1, 'F - test_draw_circle_mid_stroke/#points')\n check_eq(drawing.shapes[1].mode, 'circle', 'F - test_draw_horizontal_line/shape_mode')\n check_eq(drawing.shapes[1].radius, 30, 'F - test_draw_circle_mid_stroke/radius')\n local center = drawing.points[drawing.shapes[1].center]\n check_eq(center.x, 35, 'F - test_draw_circle_mid_stroke/center:x')\n check_eq(center.y, 36, 'F - test_draw_circle_mid_stroke/center:y')\nend\n\nfunction test_draw_arc()\n io.write('\\ntest_draw_arc')\n -- display a drawing followed by a line of text (you shouldn't ever have a drawing right at the end)\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n Editor_state.current_drawing_mode = 'circle'\n edit.draw(Editor_state)\n check_eq(#Editor_state.lines, 2, 'F - test_draw_arc/baseline/#lines')\n check_eq(Editor_state.lines[1].mode, 'drawing', 'F - test_draw_arc/baseline/mode')\n check_eq(Editor_state.line_cache[1].starty, Editor_state.top+Drawing_padding_top, 'F - test_draw_arc/baseline/y')\n check_eq(Editor_state.lines[1].h, 128, 'F - test_draw_arc/baseline/y')\n check_eq(#Editor_state.lines[1].shapes, 0, 'F - test_draw_arc/baseline/#shapes')\n -- draw an arc\n edit.run_after_mouse_press(Editor_state, Editor_state.left+35, Editor_state.top+Drawing_padding_top+36, 1)\n App.mouse_move(Editor_state.left+35+30, Editor_state.top+Drawing_padding_top+36)\n"},{"Del":" -- no change to text either because we didn't run the text_input event\n"},{"Del":"end\n\nfunction test_draw_circle_mid_stroke()\n io.write('\\ntest_draw_circle_mid_stroke')\n -- display a drawing followed by a line of text (you shouldn't ever have a drawing right at the end)\n App.screen.init{width=Test_margin_left+256, height=300} -- drawing coordinates 1:1 with pixels\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'```lines', '```', ''}\n Text.redraw_all(Editor_state)\n Editor_state.current_drawing_mode = 'line'\n edit.draw(Editor_state)\n check_eq(#Editor_state.lines, 2, 'F - test_draw_circle_mid_stroke/baseline/#lines')\n check_eq(Editor_state.lines[1].mode, 'drawing', 'F - test_draw_circle_mid_stroke/baseline/mode')\n check_eq(Editor_state.line_cache[1].starty, Editor_state.top+Drawing_padding_top, 'F - test_draw_circle_mid_stroke/baseline/y')\n check_eq(Editor_state.lines[1].h, 128, 'F - test_draw_circle_mid_stroke/baseline/y')\n check_eq(#Editor_state.lines[1].shapes, 0, 'F - test_draw_circle_mid_stroke/baseline/#shapes')\n -- draw a circle\n App.mouse_move(Editor_state.left+4, Editor_state.top+Drawing_padding_top+4) -- hover on drawing\n edit.run_after_mouse_press(Editor_state, Editor_state.left+35, Editor_state.top+Drawing_padding_top+36, 1)\n"}]}},{"FileDel":{"deleted_names":[{"basename":"source_text_tests.lua","metadata":0},{"basename":"source_text_tests.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":83739,"end":83784},"introduced_by":5},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":83739,"end":83784},"introduced_by":5},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | 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DELETED","from":{"change":5,"pos":13709},"to":{"change":4,"start":317,"end":928},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":928},"to":{"change":5,"start":13950,"end":13955},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":13588},"to":{"change":4,"start":275,"end":316},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":316},"to":{"change":5,"start":13629,"end":13709},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":13508},"to":{"change":4,"start":219,"end":274},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":274},"to":{"change":5,"start":13556,"end":13588},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":13302},"to":{"change":4,"start":104,"end":218},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":218},"to":{"change":5,"start":13462,"end":13508},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":5299},"to":{"change":4,"start":56,"end":103},"introduced_by":4},{"previous":"","flag":"DELETED","from":{"change":4,"pos":103},"to":{"change":5,"start":5345,"end":13302},"introduced_by":4}],"inode":{"change":5,"pos":3561}},"content":[{"Del":" edit.run_after_text_input(Editor_state, 'a')\n"},{"Del":" edit.run_after_keychord(Editor_state, 'up')\n -- cursor wraps\n check_eq(Editor_state.cursor1.line, 1, 'F - test_search_wrap_upwards/1/cursor:line')\n check_eq(Editor_state.cursor1.pos, 5, 'F - test_search_wrap_upwards/1/cursor:pos')\nend\n"},{"Del":" edit.run_after_text_input(Editor_state, 'a')\n"},{"Del":" edit.run_after_keychord(Editor_state, 'return')\n -- cursor wraps\n check_eq(Editor_state.cursor1.line, 1, 'F - test_search_wrap/1/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_search_wrap/1/cursor:pos')\nend\n\nfunction test_search_wrap_upwards()\n io.write('\\ntest_search_wrap_upwards')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc abd'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- search upwards for a string\n edit.run_after_keychord(Editor_state, 'C-f')\n"},{"Del":" edit.run_after_text_input(Editor_state, 'a')\n"},{"Del":" -- search for previous occurrence\n edit.run_after_keychord(Editor_state, 'up')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_search_upwards/2/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_search_upwards/2/cursor:pos')\nend\n\nfunction test_search_wrap()\n io.write('\\ntest_search_wrap')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=3}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- search for a string\n edit.run_after_keychord(Editor_state, 'C-f')\n"},{"Del":" edit.run_after_text_input(Editor_state, 'de')\n"},{"Del":" edit.run_after_keychord(Editor_state, 'down')\n edit.run_after_keychord(Editor_state, 'return')\n check_eq(Editor_state.cursor1.line, 4, 'F - test_search/2/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_search/2/cursor:pos')\nend\n\nfunction test_search_upwards()\n io.write('\\ntest_search_upwards')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc abd'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=2}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- search for a string\n edit.run_after_keychord(Editor_state, 'C-f')\n"},{"Del":" edit.run_after_text_input(Editor_state, 'd')\n"},{"Del":" edit.run_after_keychord(Editor_state, 'return')\n check_eq(Editor_state.cursor1.line, 2, 'F - test_search/1/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_search/1/cursor:pos')\n -- reset cursor\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n -- search for second occurrence\n edit.run_after_keychord(Editor_state, 'C-f')\n"},{"Del":" edit.run_after_text_input(Editor_state, 'x')\n"},{"Del":" check_eq(Editor_state.lines[1].data, 'xbc', 'F - test_undo_restores_selection/baseline')\n check_nil(Editor_state.selection1.line, 'F - test_undo_restores_selection/baseline:selection')\n -- undo\n edit.run_after_keychord(Editor_state, 'C-z')\n edit.run_after_keychord(Editor_state, 'C-z')\n -- selection is restored\n check_eq(Editor_state.selection1.line, 1, 'F - test_undo_restores_selection/line')\n check_eq(Editor_state.selection1.pos, 2, 'F - test_undo_restores_selection/pos')\nend\n\n"},{"Del":" edit.run_after_text_input(Editor_state, 'g')\n"},{"Del":" check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_insert_text/baseline/cursor:line')\n check_eq(Editor_state.cursor1.pos, 5, 'F - test_undo_insert_text/baseline/cursor:pos')\n"},{"Del":" edit.run_after_text_input(Editor_state, 's')\n edit.run_after_text_input(Editor_state, 't')\n edit.run_after_text_input(Editor_state, 'u')\n"},{"Del":" check_eq(Editor_state.cursor1.pos, 28, 'F - test_position_cursor_on_recently_edited_wrapping_line/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'abc def ghi ', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline2/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl mno pqr ', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline2/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'stu', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline2/screen:3')\n -- try to move the cursor earlier in the third screen line by clicking the mouse\n"},{"Del":" edit.run_after_text_input(Editor_state, 'j')\n edit.run_after_text_input(Editor_state, 'k')\n edit.run_after_text_input(Editor_state, 'l')\n"},{"Del":" check_eq(Editor_state.screen_top1.line, 2, 'F - test_typing_on_bottom_line_scrolls_down/screen_top')\n check_eq(Editor_state.cursor1.line, 3, 'F - test_typing_on_bottom_line_scrolls_down/cursor:line')\n check_eq(Editor_state.cursor1.pos, 7, 'F - test_typing_on_bottom_line_scrolls_down/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'def', 'F - test_typing_on_bottom_line_scrolls_down/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghij', 'F - test_typing_on_bottom_line_scrolls_down/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'kl', 'F - test_typing_on_bottom_line_scrolls_down/screen:3')\nend\n\nfunction test_left_arrow_scrolls_up_in_wrapped_line()\n io.write('\\ntest_left_arrow_scrolls_up_in_wrapped_line')\n -- display lines starting from second screen line of a line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.screen_top1 = {line=3, pos=5}\n Editor_state.screen_bottom1 = {}\n -- cursor is at top of screen\n Editor_state.cursor1 = {line=3, pos=5}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'jkl', 'F - test_left_arrow_scrolls_up_in_wrapped_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_left_arrow_scrolls_up_in_wrapped_line/baseline/screen:2')\n -- after hitting the left arrow the screen scrolls up to first screen line\n edit.run_after_keychord(Editor_state, 'left')\n y = Editor_state.top\n App.screen.check(y, 'ghi ', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:3')\n check_eq(Editor_state.screen_top1.line, 3, 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen_top')\n check_eq(Editor_state.screen_top1.pos, 1, 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen_top')\n check_eq(Editor_state.cursor1.line, 3, 'F - test_left_arrow_scrolls_up_in_wrapped_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 4, 'F - test_left_arrow_scrolls_up_in_wrapped_line/cursor:pos')\nend\n\nfunction test_right_arrow_scrolls_down_in_wrapped_line()\n io.write('\\ntest_right_arrow_scrolls_down_in_wrapped_line')\n -- display the first three lines with the cursor on the bottom line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n -- cursor is at bottom right of screen\n Editor_state.cursor1 = {line=3, pos=5}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi ', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:3') -- line wrapping includes trailing whitespace\n -- after hitting the right arrow the screen scrolls down by one line\n edit.run_after_keychord(Editor_state, 'right')\n check_eq(Editor_state.screen_top1.line, 2, 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen_top')\n check_eq(Editor_state.cursor1.line, 3, 'F - test_right_arrow_scrolls_down_in_wrapped_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 6, 'F - test_right_arrow_scrolls_down_in_wrapped_line/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'def', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi ', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:3')\nend\n\nfunction test_home_scrolls_up_in_wrapped_line()\n io.write('\\ntest_home_scrolls_up_in_wrapped_line')\n -- display lines starting from second screen line of a line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.screen_top1 = {line=3, pos=5}\n Editor_state.screen_bottom1 = {}\n -- cursor is at top of screen\n Editor_state.cursor1 = {line=3, pos=5}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'jkl', 'F - test_home_scrolls_up_in_wrapped_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_home_scrolls_up_in_wrapped_line/baseline/screen:2')\n -- after hitting home the screen scrolls up to first screen line\n edit.run_after_keychord(Editor_state, 'home')\n y = Editor_state.top\n App.screen.check(y, 'ghi ', 'F - test_home_scrolls_up_in_wrapped_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_home_scrolls_up_in_wrapped_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_home_scrolls_up_in_wrapped_line/screen:3')\n check_eq(Editor_state.screen_top1.line, 3, 'F - test_home_scrolls_up_in_wrapped_line/screen_top')\n check_eq(Editor_state.screen_top1.pos, 1, 'F - test_home_scrolls_up_in_wrapped_line/screen_top')\n check_eq(Editor_state.cursor1.line, 3, 'F - test_home_scrolls_up_in_wrapped_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_home_scrolls_up_in_wrapped_line/cursor:pos')\nend\n\nfunction test_end_scrolls_down_in_wrapped_line()\n io.write('\\ntest_end_scrolls_down_in_wrapped_line')\n -- display the first three lines with the cursor on the bottom line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n -- cursor is at bottom right of screen\n Editor_state.cursor1 = {line=3, pos=5}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi ', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:3') -- line wrapping includes trailing whitespace\n -- after hitting end the screen scrolls down by one line\n edit.run_after_keychord(Editor_state, 'end')\n check_eq(Editor_state.screen_top1.line, 2, 'F - test_end_scrolls_down_in_wrapped_line/screen_top')\n check_eq(Editor_state.cursor1.line, 3, 'F - test_end_scrolls_down_in_wrapped_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 8, 'F - test_end_scrolls_down_in_wrapped_line/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'def', 'F - test_end_scrolls_down_in_wrapped_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi ', 'F - test_end_scrolls_down_in_wrapped_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_end_scrolls_down_in_wrapped_line/screen:3')\nend\n\nfunction test_position_cursor_on_recently_edited_wrapping_line()\n -- draw a line wrapping over 2 screen lines\n io.write('\\ntest_position_cursor_on_recently_edited_wrapping_line')\n App.screen.init{width=100, height=200}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def ghi jkl mno pqr ', 'xyz'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=25}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc def ghi ', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline1/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl mno pqr ', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline1/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'xyz', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline1/screen:3')\n -- add to the line until it's wrapping over 3 screen lines\n"},{"Del":" edit.run_after_text_input(Editor_state, 'a')\n"},{"Del":" check_eq(Editor_state.screen_top1.line, 2, 'F - test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen_top')\n check_eq(Editor_state.cursor1.line, 2, 'F - test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom/cursor:line')\n check_eq(Editor_state.cursor1.pos, 2, 'F - test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom/cursor:pos')\n local y = Editor_state.top\n App.screen.check(y, 'a', 'F - test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen:1')\nend\n\nfunction test_typing_on_bottom_line_scrolls_down()\n io.write('\\ntest_typing_on_bottom_line_scrolls_down')\n -- display a few lines with cursor on bottom line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=3, pos=4}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_typing_on_bottom_line_scrolls_down/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_typing_on_bottom_line_scrolls_down/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_typing_on_bottom_line_scrolls_down/baseline/screen:3')\n -- after typing something the line wraps and the screen scrolls down\n"},{"Del":" App.screen.check(y, 'mno', 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/screen:3')\n"},{"Del":"end\n\nfunction test_up_arrow_moves_cursor()\n io.write('\\ntest_up_arrow_moves_cursor')\n -- display the first 3 lines with the cursor on the bottom line\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=3, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_up_arrow_moves_cursor/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_up_arrow_moves_cursor/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_up_arrow_moves_cursor/baseline/screen:3')\n -- after hitting the up arrow the cursor moves up by 1 line\n edit.run_after_keychord(Editor_state, 'up')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_up_arrow_moves_cursor/screen_top')\n check_eq(Editor_state.cursor1.line, 2, 'F - test_up_arrow_moves_cursor/cursor')\n -- the screen is unchanged\n y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_up_arrow_moves_cursor/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_up_arrow_moves_cursor/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_up_arrow_moves_cursor/screen:3')\nend\n\nfunction test_up_arrow_scrolls_up_by_one_line()\n io.write('\\ntest_up_arrow_scrolls_up_by_one_line')\n -- display the lines 2/3/4 with the cursor on line 2\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.screen_top1 = {line=2, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_by_one_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_by_one_line/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_by_one_line/baseline/screen:3')\n -- after hitting the up arrow the screen scrolls up by one line\n edit.run_after_keychord(Editor_state, 'up')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_up_arrow_scrolls_up_by_one_line/screen_top')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_up_arrow_scrolls_up_by_one_line/cursor')\n y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_up_arrow_scrolls_up_by_one_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_by_one_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_by_one_line/screen:3')\nend\n\nfunction test_up_arrow_scrolls_up_by_one_screen_line()\n io.write('\\ntest_up_arrow_scrolls_up_by_one_screen_line')\n -- display lines starting from second screen line of a line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=3, pos=6}\n Editor_state.screen_top1 = {line=3, pos=5}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_by_one_screen_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_up_arrow_scrolls_up_by_one_screen_line/baseline/screen:2')\n -- after hitting the up arrow the screen scrolls up to first screen line\n edit.run_after_keychord(Editor_state, 'up')\n y = Editor_state.top\n App.screen.check(y, 'ghi ', 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen:3')\n check_eq(Editor_state.screen_top1.line, 3, 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen_top')\n check_eq(Editor_state.screen_top1.pos, 1, 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen_top')\n check_eq(Editor_state.cursor1.line, 3, 'F - test_up_arrow_scrolls_up_by_one_screen_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_up_arrow_scrolls_up_by_one_screen_line/cursor:pos')\nend\n\nfunction test_up_arrow_scrolls_up_to_final_screen_line()\n io.write('\\ntest_up_arrow_scrolls_up_to_final_screen_line')\n -- display lines starting just after a long line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def', 'ghi', 'jkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.screen_top1 = {line=2, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_to_final_screen_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_to_final_screen_line/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_up_arrow_scrolls_up_to_final_screen_line/baseline/screen:3')\n -- after hitting the up arrow the screen scrolls up to final screen line of previous line\n edit.run_after_keychord(Editor_state, 'up')\n y = Editor_state.top\n App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen:3')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen_top')\n check_eq(Editor_state.screen_top1.pos, 5, 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen_top')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_up_arrow_scrolls_up_to_final_screen_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 5, 'F - test_up_arrow_scrolls_up_to_final_screen_line/cursor:pos')\nend\n\nfunction test_up_arrow_scrolls_up_to_empty_line()\n io.write('\\ntest_up_arrow_scrolls_up_to_empty_line')\n -- display a screenful of text with an empty line just above it outside the screen\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'', 'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.screen_top1 = {line=2, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_up_arrow_scrolls_up_to_empty_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_to_empty_line/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_to_empty_line/baseline/screen:3')\n -- after hitting the up arrow the screen scrolls up by one line\n edit.run_after_keychord(Editor_state, 'up')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_up_arrow_scrolls_up_to_empty_line/screen_top')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_up_arrow_scrolls_up_to_empty_line/cursor')\n y = Editor_state.top\n -- empty first line\n y = y + Editor_state.line_height\n App.screen.check(y, 'abc', 'F - test_up_arrow_scrolls_up_to_empty_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_to_empty_line/screen:3')\nend\n\nfunction test_pageup()\n io.write('\\ntest_pageup')\n App.screen.init{width=120, height=45}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.screen_top1 = {line=2, pos=1}\n Editor_state.screen_bottom1 = {}\n -- initially the last two lines are displayed\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'def', 'F - test_pageup/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_pageup/baseline/screen:2')\n -- after pageup the cursor goes to first line\n edit.run_after_keychord(Editor_state, 'pageup')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_pageup/screen_top')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_pageup/cursor')\n y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_pageup/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_pageup/screen:2')\nend\n\nfunction test_pageup_scrolls_up_by_screen_line()\n io.write('\\ntest_pageup_scrolls_up_by_screen_line')\n -- display the first three lines with the cursor on the bottom line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def', 'ghi', 'jkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.screen_top1 = {line=2, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'ghi', 'F - test_pageup_scrolls_up_by_screen_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_pageup_scrolls_up_by_screen_line/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_pageup_scrolls_up_by_screen_line/baseline/screen:3') -- line wrapping includes trailing whitespace\n -- after hitting the page-up key the screen scrolls up to top\n edit.run_after_keychord(Editor_state, 'pageup')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_pageup_scrolls_up_by_screen_line/screen_top')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_pageup_scrolls_up_by_screen_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_pageup_scrolls_up_by_screen_line/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'abc ', 'F - test_pageup_scrolls_up_by_screen_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_pageup_scrolls_up_by_screen_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_pageup_scrolls_up_by_screen_line/screen:3')\nend\n\nfunction test_pageup_scrolls_up_from_middle_screen_line()\n io.write('\\ntest_pageup_scrolls_up_from_middle_screen_line')\n -- display a few lines starting from the middle of a line (Editor_state.cursor1.pos > 1)\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def', 'ghi jkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=5}\n Editor_state.screen_top1 = {line=2, pos=5}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'jkl', 'F - test_pageup_scrolls_up_from_middle_screen_line/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'mno', 'F - test_pageup_scrolls_up_from_middle_screen_line/baseline/screen:3') -- line wrapping includes trailing whitespace\n -- after hitting the page-up key the screen scrolls up to top\n edit.run_after_keychord(Editor_state, 'pageup')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_pageup_scrolls_up_from_middle_screen_line/screen_top')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_pageup_scrolls_up_from_middle_screen_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_pageup_scrolls_up_from_middle_screen_line/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'abc ', 'F - test_pageup_scrolls_up_from_middle_screen_line/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_pageup_scrolls_up_from_middle_screen_line/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi ', 'F - test_pageup_scrolls_up_from_middle_screen_line/screen:3')\nend\n\nfunction test_enter_on_bottom_line_scrolls_down()\n io.write('\\ntest_enter_on_bottom_line_scrolls_down')\n -- display a few lines with cursor on bottom line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=3, pos=2}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:3')\n -- after hitting the enter key the screen scrolls down\n edit.run_after_keychord(Editor_state, 'return')\n check_eq(Editor_state.screen_top1.line, 2, 'F - test_enter_on_bottom_line_scrolls_down/screen_top')\n check_eq(Editor_state.cursor1.line, 4, 'F - test_enter_on_bottom_line_scrolls_down/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_enter_on_bottom_line_scrolls_down/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'def', 'F - test_enter_on_bottom_line_scrolls_down/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'g', 'F - test_enter_on_bottom_line_scrolls_down/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'hi', 'F - test_enter_on_bottom_line_scrolls_down/screen:3')\nend\n\nfunction test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom()\n io.write('\\ntest_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom')\n -- display just the bottom line on screen\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=4, pos=2}\n Editor_state.screen_top1 = {line=4, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'jkl', 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/baseline/screen:1')\n -- after hitting the enter key the screen does not scroll down\n edit.run_after_keychord(Editor_state, 'return')\n check_eq(Editor_state.screen_top1.line, 4, 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen_top')\n check_eq(Editor_state.cursor1.line, 5, 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'j', 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'kl', 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen:2')\nend\n\nfunction test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom()\n io.write('\\ntest_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom')\n -- display just an empty bottom line on screen\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', ''}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.screen_top1 = {line=2, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- after hitting the inserting_text key the screen does not scroll down\n"},{"Del":" App.screen.check(y, 'kl', 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/screen:2')\n"},{"Del":" y = y + Editor_state.line_height\n"},{"Del":" App.screen.check(y, 'ghij', 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/screen:1')\n"},{"Del":" y = y + Editor_state.line_height\n"},{"Del":" check_eq(Editor_state.screen_top1.line, 3, 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/screen_top')\n check_eq(Editor_state.cursor1.line, 3, 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/cursor:line')\n check_eq(Editor_state.cursor1.pos, 5, 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/cursor:pos')\n"},{"Del":" y = Editor_state.top\n"},{"Del":" check_eq(Editor_state.screen_top1.line, 3, 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/baseline2/screen_top')\n check_eq(Editor_state.cursor1.line, 3, 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/baseline2/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/baseline2/cursor:pos')\n"},{"Del":" -- after hitting down arrow the screen doesn't scroll down further, and certainly doesn't scroll up\n edit.run_after_keychord(Editor_state, 'down')\n"},{"Del":" App.screen.check(y, 'ghij', 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/baseline/screen:3')\n"},{"Del":" -- after hitting pagedown the screen scrolls down to start of a long line\n edit.run_after_keychord(Editor_state, 'pagedown')\n"},{"Del":" App.screen.check(y, 'def', 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/baseline/screen:2')\n"},{"Del":" y = y + Editor_state.line_height\n"},{"Del":" App.screen.check(y, 'abc', 'F - test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up/baseline/screen:1')\n"},{"Del":" y = y + Editor_state.line_height\n"},{"Del":"function test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up()\n io.write('\\ntest_pagedown_followed_by_down_arrow_does_not_scroll_screen_up')\n"},{"Del":" App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghijkl', 'mno'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=3, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n"},{"Del":" edit.run_after_text_input(Editor_state, 'g')\n"},{"Del":" local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_edit_wrapping_text/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'de', 'F - test_edit_wrapping_text/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'fg', 'F - test_edit_wrapping_text/screen:3')\nend\n\nfunction test_insert_newline()\n io.write('\\ntest_insert_newline')\n -- display a few lines\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=2}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_insert_newline/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_insert_newline/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_insert_newline/baseline/screen:3')\n -- hitting the enter key splits the line\n edit.run_after_keychord(Editor_state, 'return')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_insert_newline/screen_top')\n check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_newline/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_insert_newline/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'a', 'F - test_insert_newline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'bc', 'F - test_insert_newline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_insert_newline/screen:3')\nend\n\nfunction test_insert_newline_at_start_of_line()\n io.write('\\ntest_insert_newline_at_start_of_line')\n -- display a line\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n -- hitting the enter key splits the line\n edit.run_after_keychord(Editor_state, 'return')\n check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_newline_at_start_of_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_insert_newline_at_start_of_line/cursor:pos')\n check_eq(Editor_state.lines[1].data, '', 'F - test_insert_newline_at_start_of_line/data:1')\n check_eq(Editor_state.lines[2].data, 'abc', 'F - test_insert_newline_at_start_of_line/data:2')\nend\n\nfunction test_insert_from_clipboard()\n io.write('\\ntest_insert_from_clipboard')\n -- display a few lines\n App.screen.init{width=Editor_state.left+30, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=2}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_insert_from_clipboard/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_insert_from_clipboard/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_insert_from_clipboard/baseline/screen:3')\n -- paste some text including a newline, check that new line is created\n App.clipboard = 'xy\\nz'\n edit.run_after_keychord(Editor_state, 'C-v')\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_insert_from_clipboard/screen_top')\n check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_from_clipboard/cursor:line')\n check_eq(Editor_state.cursor1.pos, 2, 'F - test_insert_from_clipboard/cursor:pos')\n y = Editor_state.top\n App.screen.check(y, 'axy', 'F - test_insert_from_clipboard/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'zbc', 'F - test_insert_from_clipboard/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_insert_from_clipboard/screen:3')\n"},{"Del":" edit.keychord_press(Editor_state, 'd', 'd')\n edit.text_input(Editor_state, 'D')\n edit.key_release(Editor_state, 'd')\n"},{"Del":" App.fake_key_release('lshift')\n -- selected text is deleted and replaced with the key\n check_nil(Editor_state.selection1.line, 'F - test_edit_with_shift_key_deletes_selection')\n check_eq(Editor_state.lines[1].data, 'Dbc', 'F - test_edit_with_shift_key_deletes_selection/data')\nend\n\nfunction test_copy_does_not_reset_selection()\n io.write('\\ntest_copy_does_not_reset_selection')\n -- display a line of text with a selection\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.selection1 = {line=1, pos=2}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- copy selection\n edit.run_after_keychord(Editor_state, 'C-c')\n check_eq(App.clipboard, 'a', 'F - test_copy_does_not_reset_selection/clipboard')\n -- selection is reset since shift key is not pressed\n check(Editor_state.selection1.line, 'F - test_copy_does_not_reset_selection')\nend\n\nfunction test_cut()\n io.write('\\ntest_cut')\n -- display a line of text with some part selected\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.selection1 = {line=1, pos=2}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- press a key\n edit.run_after_keychord(Editor_state, 'C-x')\n check_eq(App.clipboard, 'a', 'F - test_cut/clipboard')\n -- selected text is deleted\n check_eq(Editor_state.lines[1].data, 'bc', 'F - test_cut/data')\nend\n\nfunction test_paste_replaces_selection()\n io.write('\\ntest_paste_replaces_selection')\n -- display a line of text with a selection\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.selection1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- set clipboard\n App.clipboard = 'xyz'\n -- paste selection\n edit.run_after_keychord(Editor_state, 'C-v')\n -- selection is reset since shift key is not pressed\n -- selection includes the newline, so it's also deleted\n check_eq(Editor_state.lines[1].data, 'xyzdef', 'F - test_paste_replaces_selection')\nend\n\nfunction test_deleting_selection_may_scroll()\n io.write('\\ntest_deleting_selection_may_scroll')\n -- display lines 2/3/4\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=3, pos=2}\n Editor_state.screen_top1 = {line=2, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'def', 'F - test_deleting_selection_may_scroll/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_deleting_selection_may_scroll/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'jkl', 'F - test_deleting_selection_may_scroll/baseline/screen:3')\n -- set up a selection starting above the currently displayed page\n Editor_state.selection1 = {line=1, pos=2}\n -- delete selection\n edit.run_after_keychord(Editor_state, 'backspace')\n -- page scrolls up\n check_eq(Editor_state.screen_top1.line, 1, 'F - test_deleting_selection_may_scroll')\n check_eq(Editor_state.lines[1].data, 'ahi', 'F - test_deleting_selection_may_scroll/data')\nend\n\n"},{"Del":" edit.run_after_text_input(Editor_state, 'x')\n"},{"Del":" -- selected text is deleted and replaced with the key\n check_eq(Editor_state.lines[1].data, 'xbc', 'F - test_edit_deletes_selection')\nend\n\nfunction test_edit_with_shift_key_deletes_selection()\n io.write('\\ntest_edit_with_shift_key_deletes_selection')\n -- display a line of text with some part selected\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.selection1 = {line=1, pos=2}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- mimic precise keypresses for a capital letter\n App.fake_key_press('lshift')\n"},{"Del":" edit.key_release(Editor_state, 'lshift')\n -- selection persists even after shift is release\n"},{"Del":" check_eq(Editor_state.selection1.line, 1, 'F - test_select_text/selection:line')\n check_eq(Editor_state.selection1.pos, 1, 'F - test_select_text/selection:pos')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_select_text/cursor:line')\n check_eq(Editor_state.cursor1.pos, 2, 'F - test_select_text/cursor:pos')\nend\n\nfunction test_cursor_movement_without_shift_resets_selection()\n io.write('\\ntest_cursor_movement_without_shift_resets_selection')\n -- display a line of text with some part selected\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.selection1 = {line=1, pos=2}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n -- press an arrow key without shift\n edit.run_after_keychord(Editor_state, 'right')\n -- no change to data, selection is reset\n check_nil(Editor_state.selection1.line, 'F - test_cursor_movement_without_shift_resets_selection')\n check_eq(Editor_state.lines[1].data, 'abc', 'F - test_cursor_movement_without_shift_resets_selection/data')\n"},{"Del":" check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_wrapping_line_takes_margins_into_account/cursor:line')\n check_eq(Editor_state.cursor1.pos, 2, 'F - test_click_on_wrapping_line_takes_margins_into_account/cursor:pos')\n check_nil(Editor_state.selection1.line, 'F - test_click_on_wrapping_line_takes_margins_into_account/selection is empty to avoid perturbing future edits')\n"},{"Del":"end\n\nfunction test_draw_text_wrapping_within_word()\n -- arrange a screen line that needs to be split within a word\n io.write('\\ntest_draw_text_wrapping_within_word')\n App.screen.init{width=60, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abcd e fghijk', 'xyz'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abcd ', 'F - test_draw_text_wrapping_within_word/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'e fgh', 'F - test_draw_text_wrapping_within_word/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ijk', 'F - test_draw_text_wrapping_within_word/screen:3')\nend\n\nfunction test_draw_wrapping_text_containing_non_ascii()\n -- draw a long line containing non-ASCII\n io.write('\\ntest_draw_wrapping_text_containing_non_ascii')\n App.screen.init{width=60, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'madam I’m adam', 'xyz'} -- notice the non-ASCII apostrophe\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'mad', 'F - test_draw_wrapping_text_containing_non_ascii/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'am I', 'F - test_draw_wrapping_text_containing_non_ascii/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, '’m a', 'F - test_draw_wrapping_text_containing_non_ascii/screen:3')\nend\n\nfunction test_click_on_wrapping_line()\n io.write('\\ntest_click_on_wrapping_line')\n -- display a wrapping line\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n -- 12345678901234\n Editor_state.lines = load_array{\"madam I'm adam\"}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'madam ', 'F - test_click_on_wrapping_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, \"I'm ad\", 'F - test_click_on_wrapping_line/baseline/screen:2')\n y = y + Editor_state.line_height\n -- click past end of second screen line\n edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)\n -- cursor moves to end of screen line\n check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_wrapping_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 12, 'F - test_click_on_wrapping_line/cursor:pos')\nend\n\nfunction test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen()\n io.write('\\ntest_click_on_wrapping_line_rendered_from_partway_at_top_of_screen')\n -- display a wrapping line from its second screen line\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n -- 12345678901234\n Editor_state.lines = load_array{\"madam I'm adam\"}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=8}\n Editor_state.screen_top1 = {line=1, pos=7}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, \"I'm ad\", 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/baseline/screen:2')\n y = y + Editor_state.line_height\n -- click past end of second screen line\n edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)\n -- cursor moves to end of screen line\n check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/cursor:line')\n check_eq(Editor_state.cursor1.pos, 12, 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/cursor:pos')\nend\n\nfunction test_click_past_end_of_wrapping_line()\n io.write('\\ntest_click_past_end_of_wrapping_line')\n -- display a wrapping line\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n -- 12345678901234\n Editor_state.lines = load_array{\"madam I'm adam\"}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'madam ', 'F - test_click_past_end_of_wrapping_line/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, \"I'm ad\", 'F - test_click_past_end_of_wrapping_line/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'am', 'F - test_click_past_end_of_wrapping_line/baseline/screen:3')\n y = y + Editor_state.line_height\n -- click past the end of it\n edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)\n -- cursor moves to end of line\n check_eq(Editor_state.cursor1.pos, 15, 'F - test_click_past_end_of_wrapping_line/cursor') -- one more than the number of UTF-8 code-points\nend\n\nfunction test_click_past_end_of_wrapping_line_containing_non_ascii()\n io.write('\\ntest_click_past_end_of_wrapping_line_containing_non_ascii')\n -- display a wrapping line containing non-ASCII\n App.screen.init{width=75, height=80}\n Editor_state = edit.initialize_test_state()\n -- 12345678901234\n Editor_state.lines = load_array{'madam I’m adam'} -- notice the non-ASCII apostrophe\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'madam ', 'F - test_click_past_end_of_wrapping_line_containing_non_ascii/baseline/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'I’m ad', 'F - test_click_past_end_of_wrapping_line_containing_non_ascii/baseline/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'am', 'F - test_click_past_end_of_wrapping_line_containing_non_ascii/baseline/screen:3')\n y = y + Editor_state.line_height\n -- click past the end of it\n edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)\n -- cursor moves to end of line\n check_eq(Editor_state.cursor1.pos, 15, 'F - test_click_past_end_of_wrapping_line_containing_non_ascii/cursor') -- one more than the number of UTF-8 code-points\nend\n\nfunction test_click_past_end_of_word_wrapping_line()\n io.write('\\ntest_click_past_end_of_word_wrapping_line')\n -- display a long line wrapping at a word boundary on a screen of more realistic length\n App.screen.init{width=160, height=80}\n Editor_state = edit.initialize_test_state()\n -- 0 1 2\n -- 123456789012345678901\n Editor_state.lines = load_array{'the quick brown fox jumped over the lazy dog'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'the quick brown fox ', 'F - test_click_past_end_of_word_wrapping_line/baseline/screen:1')\n y = y + Editor_state.line_height\n -- click past the end of the screen line\n edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)\n -- cursor moves to end of screen line\n check_eq(Editor_state.cursor1.pos, 20, 'F - test_click_past_end_of_word_wrapping_line/cursor')\n"},{"Del":"function test_click_on_wrapping_line_takes_margins_into_account()\n io.write('\\ntest_click_on_wrapping_line_takes_margins_into_account')\n"},{"Del":" -- display two lines with cursor on one of them\n App.screen.init{width=100, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.left = 50 -- occupy only right side of screen\n Editor_state.lines = load_array{'abc def ghi jkl mno pqr stu'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=20}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n -- click on the other line\n edit.draw(Editor_state)\n edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)\n -- cursor moves\n"},{"Del":" check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_wrapping_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 2, 'F - test_click_on_wrapping_line/cursor:pos')\n check_nil(Editor_state.selection1.line, 'F - test_click_on_wrapping_line/selection is empty to avoid perturbing future edits')\n"},{"Del":"end\n\n"},{"Del":"function test_click_on_wrapping_line()\n io.write('\\ntest_click_on_wrapping_line')\n"},{"Del":" -- display two lines with cursor on one of them\n App.screen.init{width=50, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def ghi jkl mno pqr stu'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=20}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n -- click on the other line\n edit.draw(Editor_state)\n edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)\n -- cursor moves\n"},{"Del":" check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_empty_line/cursor')\n"},{"Del":"end\n\nfunction test_draw_text()\n io.write('\\ntest_draw_text')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def', 'ghi'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_draw_text/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def', 'F - test_draw_text/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_draw_text/screen:3')\nend\n\nfunction test_draw_wrapping_text()\n io.write('\\ntest_draw_wrapping_text')\n App.screen.init{width=50, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'defgh', 'xyz'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc', 'F - test_draw_wrapping_text/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'de', 'F - test_draw_wrapping_text/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'fgh', 'F - test_draw_wrapping_text/screen:3')\nend\n\nfunction test_draw_word_wrapping_text()\n io.write('\\ntest_draw_word_wrapping_text')\n App.screen.init{width=60, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def ghi', 'jkl'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.draw(Editor_state)\n local y = Editor_state.top\n App.screen.check(y, 'abc ', 'F - test_draw_word_wrapping_text/screen:1')\n y = y + Editor_state.line_height\n App.screen.check(y, 'def ', 'F - test_draw_word_wrapping_text/screen:2')\n y = y + Editor_state.line_height\n App.screen.check(y, 'ghi', 'F - test_draw_word_wrapping_text/screen:3')\nend\n\n"},{"Del":"function test_click_on_empty_line()\n io.write('\\ntest_click_on_empty_line')\n"},{"Del":" -- display two lines with the first one empty\n App.screen.init{width=50, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'', 'def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n -- click on the empty line\n edit.draw(Editor_state)\n edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)\n -- cursor moves\n"},{"Del":" check_eq(Editor_state.cursor1.line, 1, 'F - test_click_takes_margins_into_account/cursor:line')\n check_eq(Editor_state.cursor1.pos, 2, 'F - test_click_takes_margins_into_account/cursor:pos')\n check_nil(Editor_state.selection1.line, 'F - test_click_takes_margins_into_account/selection is empty to avoid perturbing future edits')\n"},{"Del":"end\n\n"},{"Del":"function test_click_takes_margins_into_account()\n io.write('\\ntest_click_takes_margins_into_account')\n"},{"Del":" -- display two lines with cursor on one of them\n App.screen.init{width=100, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.left = 50 -- occupy only right side of screen\n Editor_state.lines = load_array{'abc', 'def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n -- click on the other line\n edit.draw(Editor_state)\n edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)\n -- cursor moves\n"},{"Del":" check_eq(Editor_state.cursor1.line, 1, 'F - test_click_to_left_of_line/cursor:line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_click_to_left_of_line/cursor:pos')\n check_nil(Editor_state.selection1.line, 'F - test_click_to_left_of_line/selection is empty to avoid perturbing future edits')\n"},{"Del":"end\n\n"},{"Del":"function test_click_to_left_of_line()\n io.write('\\ntest_click_to_left_of_line')\n"},{"Del":" -- display a line with the cursor in the middle\n App.screen.init{width=50, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=3}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n -- click to the left of the line\n edit.draw(Editor_state)\n edit.run_after_mouse_click(Editor_state, Editor_state.left-4,Editor_state.top+5, 1)\n -- cursor moves to start of line\n"},{"Del":" Editor_state.selection1 = {}\n edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache\n edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)\n check_eq(Editor_state.cursor1.line, 1, 'F - test_click_moves_cursor/cursor:line')\n check_eq(Editor_state.cursor1.pos, 2, 'F - test_click_moves_cursor/cursor:pos')\n -- selection is empty to avoid perturbing future edits\n check_nil(Editor_state.selection1.line, 'F - test_click_moves_cursor/selection:line')\n check_nil(Editor_state.selection1.pos, 'F - test_click_moves_cursor/selection:pos')\n"},{"Del":"end\n\n"},{"Del":" Editor_state.cursor1 = {line=1, pos=1}\n"},{"Del":" Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n"},{"Del":" Editor_state.lines = load_array{'abc', 'def', 'xyz'}\n"},{"Del":" Text.redraw_all(Editor_state)\n"},{"Del":"function test_click_moves_cursor()\n io.write('\\ntest_click_moves_cursor')\n App.screen.init{width=50, height=60}\n"},{"Del":" Editor_state = edit.initialize_test_state()\n"},{"Del":" edit.run_after_text_input(Editor_state, 'a')\n"},{"Del":" local y = Editor_state.top\n App.screen.check(y, 'a', 'F - test_insert_first_character/screen:1')\nend\n\nfunction test_press_ctrl()\n io.write('\\ntest_press_ctrl')\n -- press ctrl while the cursor is on text\n App.screen.init{width=50, height=80}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{''}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.screen_bottom1 = {}\n edit.run_after_keychord(Editor_state, 'C-m')\nend\n\nfunction test_move_left()\n io.write('\\ntest_move_left')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'a'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=2}\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'left')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_move_left')\nend\n\nfunction test_move_right()\n io.write('\\ntest_move_right')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'a'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'right')\n check_eq(Editor_state.cursor1.pos, 2, 'F - test_move_right')\nend\n\nfunction test_move_left_to_previous_line()\n io.write('\\ntest_move_left_to_previous_line')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'left')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_move_left_to_previous_line/line')\n check_eq(Editor_state.cursor1.pos, 4, 'F - test_move_left_to_previous_line/pos') -- past end of line\nend\n\nfunction test_move_right_to_next_line()\n io.write('\\ntest_move_right_to_next_line')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc', 'def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=4} -- past end of line\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'right')\n check_eq(Editor_state.cursor1.line, 2, 'F - test_move_right_to_next_line/line')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_move_right_to_next_line/pos')\nend\n\nfunction test_move_to_start_of_word()\n io.write('\\ntest_move_to_start_of_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=3}\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-left')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_move_to_start_of_word')\nend\n\nfunction test_move_to_start_of_previous_word()\n io.write('\\ntest_move_to_start_of_previous_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=4} -- at the space between words\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-left')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_move_to_start_of_previous_word')\nend\n\nfunction test_skip_to_previous_word()\n io.write('\\ntest_skip_to_previous_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=5} -- at the start of second word\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-left')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_skip_to_previous_word')\nend\n\nfunction test_skip_past_tab_to_previous_word()\n io.write('\\ntest_skip_past_tab_to_previous_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def\\tghi'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=10} -- within third word\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-left')\n check_eq(Editor_state.cursor1.pos, 9, 'F - test_skip_past_tab_to_previous_word')\nend\n\nfunction test_skip_multiple_spaces_to_previous_word()\n io.write('\\ntest_skip_multiple_spaces_to_previous_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=6} -- at the start of second word\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-left')\n check_eq(Editor_state.cursor1.pos, 1, 'F - test_skip_multiple_spaces_to_previous_word')\nend\n\nfunction test_move_to_start_of_word_on_previous_line()\n io.write('\\ntest_move_to_start_of_word_on_previous_line')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def', 'ghi'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=2, pos=1}\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-left')\n check_eq(Editor_state.cursor1.line, 1, 'F - test_move_to_start_of_word_on_previous_line/line')\n check_eq(Editor_state.cursor1.pos, 5, 'F - test_move_to_start_of_word_on_previous_line/pos')\nend\n\nfunction test_move_past_end_of_word()\n io.write('\\ntest_move_past_end_of_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1}\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-right')\n check_eq(Editor_state.cursor1.pos, 4, 'F - test_move_past_end_of_word')\nend\n\nfunction test_skip_to_next_word()\n io.write('\\ntest_skip_to_next_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=4} -- at the space between words\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-right')\n check_eq(Editor_state.cursor1.pos, 8, 'F - test_skip_to_next_word')\nend\n\nfunction test_skip_past_tab_to_next_word()\n io.write('\\ntest_skip_past_tab_to_next_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc\\tdef'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=1} -- at the space between words\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-right')\n check_eq(Editor_state.cursor1.pos, 4, 'F - test_skip_past_tab_to_next_word')\nend\n\nfunction test_skip_multiple_spaces_to_next_word()\n io.write('\\ntest_skip_multiple_spaces_to_next_word')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=4} -- at the start of second word\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-right')\n check_eq(Editor_state.cursor1.pos, 9, 'F - test_skip_multiple_spaces_to_next_word')\nend\n\nfunction test_move_past_end_of_word_on_next_line()\n io.write('\\ntest_move_past_end_of_word_on_next_line')\n App.screen.init{width=120, height=60}\n Editor_state = edit.initialize_test_state()\n Editor_state.lines = load_array{'abc def', 'ghi'}\n Text.redraw_all(Editor_state)\n Editor_state.cursor1 = {line=1, pos=8}\n edit.draw(Editor_state)\n edit.run_after_keychord(Editor_state, 'M-right')\n check_eq(Editor_state.cursor1.line, 2, 'F - test_move_past_end_of_word_on_next_line/line')\n check_eq(Editor_state.cursor1.pos, 4, 'F - test_move_past_end_of_word_on_next_line/pos')\nend\n\n"}]}},{"FileDel":{"deleted_names":[{"basename":"source_text.lua","metadata":0},{"basename":"source_text.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":147125,"end":147164},"introduced_by":5},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":147125,"end":147164},"introduced_by":5},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":147164},"to":{"change":5,"start":83786,"end":83786},"introduced_by":5}],"inode":{"change":5,"pos":83786}}},"content_edges":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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State.screen_top1.pos, State.cursor1.line, State.cursor1.pos, State.screen_bottom1.line, State.screen_bottom1.pos)\n Text.insert_at_cursor(State, t)\n if State.cursor_y > App.screen.height - State.line_height then\n Text.populate_screen_line_starting_pos(State, State.cursor1.line)\n Text.snap_cursor_to_bottom_of_screen(State, State.left, State.right)\n end\n record_undo_event(State, {before=before, after=snapshot(State, State.cursor1.line)})\nend\n\nfunction Text.insert_at_cursor(State, t)\n if State.cursor1.pos then\n local byte_offset = Text.offset(State.lines[State.cursor1.line].data, State.cursor1.pos)\n State.lines[State.cursor1.line].data = string.sub(State.lines[State.cursor1.line].data, 1, byte_offset-1)..t..string.sub(State.lines[State.cursor1.line].data, byte_offset)\n Text.clear_screen_line_cache(State, State.cursor1.line)\n State.cursor1.pos = State.cursor1.pos+1\n else\n assert(State.cursor1.posB)\n local byte_offset = Text.offset(State.lines[State.cursor1.line].dataB, State.cursor1.posB)\n State.lines[State.cursor1.line].dataB = string.sub(State.lines[State.cursor1.line].dataB, 1, byte_offset-1)..t..string.sub(State.lines[State.cursor1.line].dataB, byte_offset)\n Text.clear_screen_line_cache(State, State.cursor1.line)\n State.cursor1.posB = State.cursor1.posB+1\n end\nend\n\n"}]}},{"FileDel":{"deleted_names":[{"basename":"source_edit.lua","metadata":0},{"basename":"source_edit.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":165788,"end":165827},"introduced_by":3},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":165788,"end":165827},"introduced_by":3},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | 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edit.key_release(State, chord)\n"},{"Del":" App.screen.contents = {}\n"},{"Del":"-- not all keys are text_input\n"},{"Del":"function edit.run_after_keychord(State, chord)\n"},{"Del":"function edit.run_after_text_input(State, t)\n edit.keychord_press(State, t)\n edit.text_input(State, t)\n edit.key_release(State, t)\n"},{"Del":" App.screen.contents = {}\n"},{"Del":"-- all text_input events are also keypresses\n"},{"Del":"-- TODO: handle chords of multiple keys\n"},{"Del":"function edit.key_release(State, key, scancode)\n"},{"Del":"end\n\nfunction edit.update_font_settings(State, font_height)\n State.font_height = font_height\n"},{"Del":" Text.keychord_press(State, chord)\n"},{"Del":" end\nend\n\nfunction edit.eradicate_locations_after_the_fold(State)\n -- eradicate side B from any locations we track\n if State.cursor1.posB then\n State.cursor1.posB = nil\n State.cursor1.pos = utf8.len(State.lines[State.cursor1.line].data)\n State.cursor1.pos = Text.pos_at_start_of_screen_line(State, State.cursor1)\n end\n if State.screen_top1.posB then\n State.screen_top1.posB = nil\n State.screen_top1.pos = utf8.len(State.lines[State.screen_top1.line].data)\n State.screen_top1.pos = Text.pos_at_start_of_screen_line(State, State.screen_top1)\n end\nend\n\n"},{"Del":" Drawing.keychord_press(State, chord)\n"},{"Del":" record_undo_event(State, {before=before, after=snapshot(State, drawing_index)})\n schedule_save(State)\n end\n elseif chord == 'escape' and not App.mouse_down(1) then\n for _,line in ipairs(State.lines) do\n if line.mode == 'drawing' then\n line.show_help = false\n end\n end\n elseif State.current_drawing_mode == 'name' then\n if chord == 'return' then\n State.current_drawing_mode = State.previous_drawing_mode\n State.previous_drawing_mode = nil\n else\n local before = snapshot(State, State.lines.current_drawing_index)\n local drawing = State.lines.current_drawing\n local p = drawing.points[drawing.pending.target_point]\n if chord == 'escape' then\n p.name = nil\n record_undo_event(State, {before=before, after=snapshot(State, State.lines.current_drawing_index)})\n elseif chord == 'backspace' then\n local len = utf8.len(p.name)\n local byte_offset = Text.offset(p.name, len-1)\n if len == 1 then byte_offset = 0 end\n p.name = string.sub(p.name, 1, byte_offset)\n record_undo_event(State, {before=before, after=snapshot(State, State.lines.current_drawing_index)})\n end\n end\n schedule_save(State)\n"},{"Del":"function edit.keychord_press(State, chord, key)\n"},{"Del":" if State.selection1.line and\n not State.lines.current_drawing and\n -- printable character created using shift key => delete selection\n -- (we're not creating any ctrl-shift- or alt-shift- combinations using regular/printable keys)\n (not App.shift_down() or utf8.len(key) == 1) and\n"},{"Del":" Text.text_input(State, t)\n"},{"Del":" end\n"},{"Del":"function edit.text_input(State, t)\n"},{"Del":" if State.search_term then\n State.search_term = State.search_term..t\n State.search_text = nil\n Text.search_next(State)\n"},{"Del":" Drawing.mouse_release(State, x,y, mouse_button)\n"},{"Del":" schedule_save(State)\n if Drawing.before then\n record_undo_event(State, {before=Drawing.before, after=snapshot(State, State.lines.current_drawing_index)})\n Drawing.before = nil\n end\n"},{"Del":"function edit.mouse_release(State, x,y, mouse_button)\n"},{"Del":" if State.search_term then return end\n--? print('release')\n if State.lines.current_drawing then\n"},{"Del":" Drawing.mouse_press(State, line_index, x,y, mouse_button)\n"},{"Del":" break\n end\n"},{"Del":" -- i.e. mouse_release should never look at shift state\n"},{"Del":" State.old_cursor1 = State.cursor1\n State.old_selection1 = State.selection1\n State.mousepress_shift = App.shift_down()\n"},{"Del":"function edit.mouse_press(State, x,y, mouse_button)\n"},{"Del":" if State.search_term then return end\n"}]}},{"FileDel":{"deleted_names":[{"basename":"source.lua","metadata":0},{"basename":"source.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":177715,"end":177749},"introduced_by":2},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":177715,"end":177749},"introduced_by":2},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":177749},"to":{"change":5,"start":165829,"end":165829},"introduced_by":2}],"inode":{"change":5,"pos":165829}}},"content_edges":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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cursor is visible immediately after it moves\n if Focus == 'edit' then\n"},{"Del":" return log_browser.keychord_press(Log_browser_state, chord, key)\n"},{"Del":" end\nend\n\n"},{"Del":" return edit.keychord_press(Editor_state, chord, key)\n"},{"Del":" else\n"},{"Del":" keychord_press_on_file_navigator(chord, key)\n"},{"Del":" return\n end\n if chord == 'C-l' then\n--? print('C-l')\n Show_log_browser_side = not Show_log_browser_side\n if Show_log_browser_side then\n"},{"Del":"function source.keychord_press(chord, key)\n"},{"Del":" Cursor_time = 0 -- ensure cursor is visible immediately after it moves\n--? print('source keychord')\n if Show_file_navigator then\n"},{"Del":" return log_browser.text_input(Log_browser_state, t)\n"},{"Del":" end\nend\n\n"},{"Del":" return edit.text_input(Editor_state, t)\n"},{"Del":" else\n"},{"Del":" text_input_on_file_navigator(t)\n"},{"Del":" return\n end\n"},{"Del":"function source.text_input(t)\n"},{"Del":" Cursor_time = 0 -- ensure cursor is visible immediately after it moves\n"},{"Del":" return log_browser.mouse_release(Log_browser_state, x,y, mouse_button)\n"},{"Del":" end\nend\n\n"},{"Del":" return edit.mouse_release(Editor_state, x,y, mouse_button)\n"},{"Del":" else\n"},{"Del":"function source.mouse_release(x,y, mouse_button)\n"},{"Del":" Cursor_time = 0 -- ensure cursor is visible immediately after it moves\n if Focus == 'edit' then\n"},{"Del":" log_browser.mouse_press(Log_browser_state, x,y, mouse_button)\n"},{"Del":" for _,line_cache in ipairs(Editor_state.line_cache) do line_cache.starty = nil end -- just in case we scroll\n end\nend\n\n"},{"Del":" edit.mouse_press(Editor_state, x,y, mouse_button)\n"},{"Del":" elseif Show_log_browser_side and Log_browser_state.left <= x and x < Log_browser_state.right then\n--? print('click on log_browser side')\n if Focus ~= 'log_browser' then\n Focus = 'log_browser'\n"},{"Del":" edit.mouse_press(Editor_state, x,y, mouse_button)\n"},{"Del":" return\n end\n"},{"Del":"function source.mouse_press(x,y, mouse_button)\n"},{"Del":" Cursor_time = 0 -- ensure cursor is visible immediately after it moves\n--? print('mouse click', x, y)\n--? print(Editor_state.left, Editor_state.right)\n--? print(Log_browser_state.left, Log_browser_state.right)\n"},{"Del":"-- a copy of source.file_drop when given a filename\n"},{"Del":"function source.switch_to_file(filename)\n -- first make sure to save edits on any existing file\n if Editor_state.next_save then\n save_to_disk(Editor_state)\n end\n"},{"Del":"function source.file_drop(file)\n"},{"Del":" -- first make sure to save edits on any existing file\n if Editor_state.next_save then\n save_to_disk(Editor_state)\n end\n -- clear the slate for the new file\n Editor_state.filename = file:getFilename()\n file:open('r')\n Editor_state.lines = load_from_file(file)\n file:close()\n Text.redraw_all(Editor_state)\n Editor_state.screen_top1 = {line=1, pos=1}\n Editor_state.cursor1 = {line=1, pos=1}\n"}]}},{"FileDel":{"deleted_names":[{"basename":"run.lua","metadata":0},{"basename":"run.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":183867,"end":183898},"introduced_by":5},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":183867,"end":183898},"introduced_by":5},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":183898},"to":{"change":5,"start":178107,"end":178107},"introduced_by":5}],"inode":{"change":5,"pos":178107}}},"content_edges":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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App.newText(love.graphics.getFont(), s)\n end\n return Text_cache[s]\nend\n"},{"Del":"function run.key_release(key, scancode)\n"},{"Del":" Cursor_time = 0 -- ensure cursor is visible immediately after it moves\n"},{"Del":" return edit.keychord_press(Editor_state, chord, key)\n"},{"Del":"end\n\n"},{"Del":"function run.keychord_press(chord, key)\n"},{"Del":" Cursor_time = 0 -- ensure cursor is visible immediately after it moves\n"},{"Del":" return edit.text_input(Editor_state, t)\n"},{"Del":"end\n\n"},{"Del":"function run.text_input(t)\n"},{"Del":" Cursor_time = 0 -- ensure cursor is visible immediately after it moves\n"},{"Del":" return edit.mouse_release(Editor_state, x,y, mouse_button)\n"},{"Del":"end\n\n"},{"Del":"function run.mouse_release(x,y, mouse_button)\n"},{"Del":" Cursor_time = 0 -- ensure cursor is visible immediately after it moves\n"},{"Del":"function run.file_drop(file)\n"},{"Del":" -- first make sure to save edits on any existing file\n if Editor_state.next_save then\n save_to_disk(Editor_state)\n end\n -- clear the slate for the new file\n App.initialize_globals()\n Editor_state.filename = file:getFilename()\n file:open('r')\n Editor_state.lines = load_from_file(file)\n file:close()\n Text.redraw_all(Editor_state)\n love.window.setTitle('text.love - '..Editor_state.filename)\nend\n\nfunction run.draw()\n edit.draw(Editor_state)\nend\n\nfunction run.update(dt)\n Cursor_time = Cursor_time + dt\n edit.update(Editor_state, dt)\nend\n\nfunction run.quit()\n edit.quit(Editor_state)\nend\n\nfunction run.settings()\n"}]}},{"FileDel":{"deleted_names":[{"basename":"log_browser.lua","metadata":0},{"basename":"log_browser.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | DELETED","from":{"change":5,"pos":2},"to":{"change":5,"start":202684,"end":202723},"introduced_by":5},{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | 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then\n while State.screen_top1.line > 1 do\n State.screen_top1.line = State.screen_top1.line-1\n if should_show(State.lines[State.screen_top1.line]) then\n break\n end\n end\n elseif chord == 'down' then\n while State.screen_top1.line < #State.lines do\n State.screen_top1.line = State.screen_top1.line+1\n if should_show(State.lines[State.screen_top1.line]) then\n break\n end\n end\n elseif chord == 'pageup' then\n local y = 0\n while State.screen_top1.line > 1 and y < App.screen.height - 100 do\n State.screen_top1.line = State.screen_top1.line - 1\n if should_show(State.lines[State.screen_top1.line]) then\n y = y + log_browser.height(State, State.screen_top1.line)\n end\n end\n elseif chord == 'pagedown' then\n local y = 0\n while State.screen_top1.line < #State.lines and y < App.screen.height - 100 do\n if should_show(State.lines[State.screen_top1.line]) then\n y = y + log_browser.height(State, State.screen_top1.line)\n end\n State.screen_top1.line = State.screen_top1.line + 1\n end\n end\nend\n\nfunction log_browser.height(State, line_index)\n local line = State.lines[line_index]\n if line.data == nil then\n -- section header\n return State.line_height\n elseif type(line.data) == 'string' then\n return State.line_height\n else\n if line.height == nil then\n--? print('nil line height! rendering off screen to calculate')\n line.height = log_render[line.data.name](line.data, State.left, App.screen.height, State.right-State.left)\n end\n return line.height\n end\nend\n\n"},{"Del":"function log_browser.text_input(State, t)\n"},{"Del":"end\n\n"},{"Del":"function log_browser.mouse_release(State, x,y, mouse_button)\n"},{"Del":"end\n\n"},{"Del":"function log_browser.mouse_press(State, x,y, mouse_button)\n"},{"Del":" local line_index = log_browser.line_index(State, x,y)\n if line_index == nil then\n -- below lower margin\n return\n end\n -- leave some space to click without focusing\n local line = State.lines[line_index]\n local xleft = log_browser.left_margin(State, line)\n local xright = log_browser.right_margin(State, line)\n if x < xleft or x > xright then\n return\n end\n -- if it's a section begin/end and the section is collapsed, expand it\n -- TODO: how to collapse?\n if line.section_begin or line.section_end then\n -- HACK: get section reference from next/previous line\n local new_section\n if line.section_begin then\n if line_index < #State.lines then\n local next_section_stack = State.lines[line_index+1].section_stack\n if next_section_stack then\n new_section = next_section_stack[#next_section_stack]\n end\n end\n elseif line.section_end then\n if line_index > 1 then\n local previous_section_stack = State.lines[line_index-1].section_stack\n if previous_section_stack then\n new_section = previous_section_stack[#previous_section_stack]\n end\n end\n end\n if new_section and new_section.expanded == nil then\n new_section.expanded = true\n return\n end\n end\n -- open appropriate file in source side\n if line.filename ~= Editor_state.filename then\n source.switch_to_file(line.filename)\n end\n -- set cursor\n Editor_state.cursor1 = {line=line.line_number, pos=1, posB=nil}\n -- make sure it's visible\n -- TODO: handle extremely long lines\n Editor_state.screen_top1.line = math.max(0, Editor_state.cursor1.line-5)\n -- show cursor\n Focus = 'edit'\n -- expand B side\n Editor_state.expanded = true\nend\n\nfunction log_browser.line_index(State, mx,my)\n -- duplicate some logic from log_browser.draw\n local y = State.top\n for line_index = State.screen_top1.line,#State.lines do\n local line = State.lines[line_index]\n if should_show(line) then\n y = y + log_browser.height(State, line_index)\n if my < y then\n return line_index\n end\n if y > App.screen.height then break end\n end\n end\nend\n\n"}]}},{"FileDel":{"deleted_names":[{"basename":"commands.lua","metadata":0},{"basename":"commands.lua","metadata":0}],"del":{"EdgeMap":{"edges":[{"previous":"BLOCK | FOLDER | DELETED","flag":"BLOCK | FOLDER | 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source.file_drop(file) end\n"}]}},{"SolveOrderConflict":{"inode":{"change":5,"pos":2},"path":"main.lua","line":59,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":3019}],"down_context":[{"change":5,"pos":187401}],"flag":"","start":9,"end":9,"inode":{"change":5,"pos":2}}},"contents":[]}},{"Edit":{"inode":{"change":5,"pos":2},"path":"main.lua","line":188,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":7306},"to":{"change":5,"start":7306,"end":7363},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":189628},"to":{"change":5,"start":4578,"end":4644},"introduced_by":5},{"previous":"BLOCK | DELETED","flag":"BLOCK | DELETED","from":{"change":5,"pos":189628},"to":{"change":5,"start":4578,"end":4644},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":189736},"to":{"change":5,"start":4645,"end":4717},"introduced_by":5},{"previous":"BLOCK | DELETED","flag":"BLOCK | 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key)"}]}},{"Edit":{"inode":{"change":5,"pos":2},"path":"main.lua","line":197,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":7438},"to":{"change":5,"start":7438,"end":7479},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":189982},"to":{"change":5,"start":4718,"end":4767},"introduced_by":5},{"previous":"BLOCK | DELETED","flag":"BLOCK | DELETED","from":{"change":5,"pos":189982},"to":{"change":5,"start":4718,"end":4767},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":190067},"to":{"change":5,"start":4768,"end":4823},"introduced_by":5},{"previous":"BLOCK | DELETED","flag":"BLOCK | DELETED","from":{"change":5,"pos":190067},"to":{"change":5,"start":4768,"end":4823},"introduced_by":5}],"inode":{"change":5,"pos":2}}},"contents":[{"Del":" return edit.textinput(Editor_state, t)\n"},{"Del":" if run.text_input then run.text_input(t) end\n"},{"Del":" if source.text_input then source.text_input(t) end\n"}]}},{"SolveOrderConflict":{"inode":{"change":5,"pos":2},"path":"main.lua","line":197,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":7438}],"down_context":[],"flag":"","start":69,"end":69,"inode":{"change":5,"pos":2}}},"contents":[]}},{"Edit":{"inode":{"change":5,"pos":2},"path":"main.lua","line":197,"atom":{"NewVertex":{"up_context":[{"change":0,"pos":69}],"down_context":[{"change":5,"pos":3116}],"flag":"BLOCK","start":70,"end":112,"inode":{"change":5,"pos":2}}},"contents":[{"Add":" return edit.text_input(Editor_state, t)"}]}},{"Edit":{"inode":{"change":5,"pos":2},"path":"main.lua","line":204,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":190333},"to":{"change":5,"start":4824,"end":4884},"introduced_by":5},{"previous":"BLOCK | DELETED","flag":"BLOCK | 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end\n"}]}},{"SolveOrderConflict":{"inode":{"change":5,"pos":2},"path":"main.lua","line":206,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":7595}],"down_context":[],"flag":"","start":114,"end":114,"inode":{"change":5,"pos":2}}},"contents":[]}},{"Edit":{"inode":{"change":5,"pos":2},"path":"main.lua","line":206,"atom":{"NewVertex":{"up_context":[{"change":0,"pos":114}],"down_context":[{"change":5,"pos":190712}],"flag":"BLOCK","start":115,"end":170,"inode":{"change":5,"pos":2}}},"contents":[{"Add":" return edit.key_release(Editor_state, key, scancode)"}]}},{"Edit":{"inode":{"change":5,"pos":2},"path":"main.lua","line":216,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":268},"to":{"change":5,"start":473,"end":473},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":190137},"to":{"change":4,"start":8176,"end":8245},"introduced_by":4},{"previous":"BLOCK | DELETED","flag":"BLOCK | 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end\n"}]}},{"SolveOrderConflict":{"inode":{"change":5,"pos":2},"path":"main.lua","line":216,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":268}],"down_context":[],"flag":"","start":172,"end":172,"inode":{"change":5,"pos":2}}},"contents":[]}}],"owner":"akkartik","repo":"sum-grid.love","token":"X0CcA1XnonLC7nZlZItcGSu+shYnWlKY6sTaSmVf6So=","login":null}

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