{"header":{"message":"initial script after splitting up text-zoom","description":null,"timestamp":"2023-12-31T23:49:44.608510185Z","authors":[{}]},"hash":"GVX7YSQYURPWFSUWVUAORZJTQBJURWWNBNUGEZYFAUMX3X5LSACQC","authors":[{"login":"akkartik","key":"ENKXrH63fceoGVoHiWDvj3iee63Bj7mkbzUE6uh6YAsS"}],"deps":{"hashes":[["GVX7YSQYURPWFSUWVUAORZJTQBJURWWNBNUGEZYFAUMX3X5LSACQC","initial script after splitting up text-zoom"],["AA",null],["R5QXEHUIZLELJGGCZAE7ATNS3CLRJ7JFRENMGH4XXH24C5WABZDQC","somebody stop me"]],"deps":["R5QXEHUIZLELJGGCZAE7ATNS3CLRJ7JFRENMGH4XXH24C5WABZDQC"],"known":[]},"hunks":[{"FileAdd":{"meta":{"basename":"screens","metadata":576},"context":[{"change":2,"pos":2}],"contents":[]}},{"FileAdd":{"meta":{"basename":"widgets","metadata":0},"context":[{"change":0,"pos":1}],"contents":[{"Add":"widgets = {}"},{"Add":""},{"Add":"-- button to invoke add_editor"},{"Add":"table.insert(widgets, {"},{"Add":" draw = function()"},{"Add":" color(0, 0.6,0.6)"},{"Add":" rect('line', Safe_width-65, Menu_bottom+5, 30,30, 5)"},{"Add":" line(Safe_width-60, Menu_bottom+20, Safe_width-40, Menu_bottom+20)"},{"Add":" line(Safe_width-50, Menu_bottom+10, Safe_width-50, Menu_bottom+30)"},{"Add":" end,"},{"Add":" ispress = function(x2,y2)"},{"Add":" return x2 >= Safe_width-65 and y2 <= Menu_bottom+35"},{"Add":" end,"},{"Add":" press = add_editor,"},{"Add":"})"}]}},{"FileAdd":{"meta":{"basename":"typographic-scale","metadata":0},"context":[{"change":0,"pos":1}],"contents":[{"Add":"typographic_scale = {6,7,8,9,10,12,14,16,18,21,24,28,32,36,42,48,55,63,73,84,96}"},{"Add":"for i,v in ipairs(typographic_scale) do"},{"Add":" typographic_scale[i] = v*4 end"},{"Add":""},{"Add":"function higher_element(a,v)"},{"Add":" if v == a[#a] then return v"},{"Add":" else return a[array.find(a,v)+1] end"},{"Add":"end"},{"Add":""},{"Add":"function lower_element(a,v)"},{"Add":" if v == a[1] then return v"},{"Add":" else return a[array.find(a,v)-1] end"},{"Add":"end"}]}},{"FileAdd":{"meta":{"basename":"text-box","metadata":0},"context":[{"change":0,"pos":1}],"contents":[{"Add":"cursor = nil"},{"Add":""},{"Add":"-- a single text box"},{"Add":"function add_editor()"},{"Add":" -- some variables shared by all the widgets in the text box"},{"Add":" local x,y, w,h = 50, Menu_bottom+10, 100, 100 -- surface coords"},{"Add":" local font_height = typographic_scale[6]"},{"Add":" local font = g.newFont(scale(font_height))"},{"Add":" local e = edit.initialize_state(vy(y), vy(y+h), vx(x), vx(x+w), font, scale(font_height), floor(scale(font_height)*1.3))"},{"Add":" --e.filename = 'example.txt'"},{"Add":" --load_from_disk(e)"},{"Add":" Text.redraw_all(e)"},{"Add":""},{"Add":" -- core editor widget"},{"Add":" local r = {}"},{"Add":" r.draw = function()"},{"Add":" g.setFont(font)"},{"Add":" edit.draw(e, {r=0.5, g=0.5, b=0.5}, cursor ~= r)"},{"Add":" color(0.5,0.5,0.5)"},{"Add":" rect('line', e.left-5, e.top-5, e.width+5*2, (e.bottom+5)-(e.top-5))"},{"Add":" end"},{"Add":" r.ispress = function(x2,y2)"},{"Add":" return x2 >= e.left-5 and x2 <= e.right+5 and y2 >= e.top-5 and y2 <= e.bottom+5"},{"Add":" end"},{"Add":" r.press = function(x2,y2, b)"},{"Add":" cursor = r"},{"Add":" edit.mouse_press(e, x2,y2, b)"},{"Add":" end"},{"Add":" r.update = function(dt, x2,y2)"},{"Add":" if cursor == r then"},{"Add":" --edit.update(e, dt)"},{"Add":" elseif f then"},{"Add":" if s then"},{"Add":" e.font_height = scale(font_height)"},{"Add":" e.line_height = floor(e.font_height*1.3)"},{"Add":" font = g.newFont(e.font_height)"},{"Add":" end"},{"Add":" g.setFont(font)"},{"Add":" e.left, e.right = vx(x), vx(x+w)"},{"Add":" e.width = e.right - e.left"},{"Add":" e.top, e.bottom = vy(y), vy(y+h)"},{"Add":" Text.redraw_all(e)"},{"Add":" end"},{"Add":" end"},{"Add":" r.release = function(x2,y2, b) edit.mouse_release(e, x2,y2, b) end"},{"Add":" r.presschord = function(chord, key) edit.keychord_press(e, chord, key) end"},{"Add":" r.textinput = function(t) edit.text_input(e, t) end"},{"Add":" r.releasekey = function(key) edit.key_release(e, key) end"},{"Add":" --r.quit = function() edit.quit(e) end -- final save"},{"Add":" table.insert(widgets, r)"},{"Add":""},{"Add":" -- move affordance"},{"Add":" local xoff, yoff"},{"Add":" table.insert(widgets, {"},{"Add":" draw = function()"},{"Add":" color(0.7,0.7,0.7)"},{"Add":" local x,y = e.left, e.top"},{"Add":" circle('fill', x+10,y-20, 15)"},{"Add":" end,"},{"Add":" ispress = function(x2,y2)"},{"Add":" return dist({x=e.left+10, y=e.top-20}, {x=x2, y=y2}) < 15"},{"Add":" end,"},{"Add":" press = function(x2,y2, b)"},{"Add":" xoff,yoff = x2-vx(x), y2-vy(y)"},{"Add":" end,"},{"Add":" update = function(dt, x2,y2)"},{"Add":" if not xoff then return end"},{"Add":" x,y = sx(x2-xoff), sy(y2-yoff)"},{"Add":" e.left, e.right = vx(x), vx(x+w)"},{"Add":" e.width = e.right - e.left"},{"Add":" e.top, e.bottom = vy(y), vy(y+h)"},{"Add":" Text.redraw_all(e)"},{"Add":" end,"},{"Add":" release = function(x2,y2, b)"},{"Add":" xoff,yoff = nil"},{"Add":" end,"},{"Add":" })"},{"Add":""},{"Add":" -- resize affordances"},{"Add":" local adjw, adjh = {}, {}"},{"Add":" local width_adjustment, height_adjustment"},{"Add":" adjw.draw = function()"},{"Add":" color(0.5,0.5,0.5)"},{"Add":" for i=2,4 do -- i=1 is on the border"},{"Add":" line(e.right+5*i, e.top+5, e.right+5*i, e.bottom-5)"},{"Add":" end"},{"Add":" end"},{"Add":" adjh.draw = function()"},{"Add":" color(0.5,0.5,0.5)"},{"Add":" for i=2,4 do -- i=1 is on the border"},{"Add":" line(e.left+5, e.bottom+5*i, e.right-5, e.bottom+5*i)"},{"Add":" end"},{"Add":" end"},{"Add":" adjw.ispress = function(x2,y2)"},{"Add":" -- include a shadow to the right"},{"Add":" return x2 > e.right+5 and x2 <= e.right+5*5 and y2 >= e.top and y2 <= e.bottom"},{"Add":" end"},{"Add":" adjh.ispress = function(x2,y2)"},{"Add":" -- include a shadow below"},{"Add":" return x2 >= e.left and x2 <= e.right and y2 > e.bottom+5 and y2 <= e.bottom+5*5"},{"Add":" end"},{"Add":" adjw.press = function(x2,y2, b) width_adjustment = x2-e.right end"},{"Add":" adjh.press = function(x2,y2, b) height_adjustment = y2-e.bottom end"},{"Add":" adjw.release = function(x2,y2, b) width_adjustment = nil end"},{"Add":" adjh.release = function(x2,y2, b) height_adjustment = nil end"},{"Add":" adjw.update = function(dt, x2,y2)"},{"Add":" if not width_adjustment then return end"},{"Add":" e.right = x2-width_adjustment"},{"Add":" e.width = e.right - e.left"},{"Add":" w = iscale(e.width)"},{"Add":" g.setFont(font)"},{"Add":" Text.redraw_all(e)"},{"Add":" end"},{"Add":" adjh.update = function(dt, x2,y2)"},{"Add":" if not height_adjustment then return end"},{"Add":" e.bottom = y2-height_adjustment"},{"Add":" h = iscale(e.bottom-e.top)"},{"Add":" end"},{"Add":" table.insert(widgets, adjw)"},{"Add":" table.insert(widgets, adjh)"},{"Add":""},{"Add":" -- font buttons"},{"Add":" local update_font = function(newf)"},{"Add":" if font_height == newf then return end"},{"Add":" font_height = newf"},{"Add":" e.font_height = scale(font_height)"},{"Add":" e.font = g.newFont(e.font_height)"},{"Add":" e.line_height = floor(e.font_height)*1.3"},{"Add":" Text.redraw_all(e)"},{"Add":" end"},{"Add":" table.insert(widgets, {"},{"Add":" draw = function()"},{"Add":" color(0.7,0.7,0.7)"},{"Add":" local x,y = e.left-35, e.top-5"},{"Add":" poly('fill', x+15,y, x,y+30, x+30,y+30)"},{"Add":" end,"},{"Add":" ispress = function(x2,y2)"},{"Add":" local x,y = e.left-35, e.top-5"},{"Add":" return x2 >= x and x2 <= x+30 and y2 >= y and y2 <= y+30"},{"Add":" end,"},{"Add":" press = function()"},{"Add":" update_font(higher_element(typographic_scale, font_height))"},{"Add":" end,"},{"Add":" })"},{"Add":" table.insert(widgets, {"},{"Add":" draw = function()"},{"Add":" color(0.7,0.7,0.7)"},{"Add":" local x,y = e.left-35, e.top+35"},{"Add":" poly('fill', x+15,y+30, x,y, x+30,y)"},{"Add":" end,"},{"Add":" ispress = function(x2,y2)"},{"Add":" local x,y = e.left-35, e.top+35"},{"Add":" return x2 >= x and x2 <= x+30 and y2 >= y and y2 <= y+30"},{"Add":" end,"},{"Add":" press = function()"},{"Add":" update_font(lower_element(typographic_scale, font_height))"},{"Add":" end,"},{"Add":" })"},{"Add":"end -- phew! done with add_editor"}]}},{"FileAdd":{"meta":{"basename":"space","metadata":0},"context":[{"change":0,"pos":1}],"contents":[{"Add":"-- viewport"},{"Add":"v = {x=0, y=0, w=Safe_width, h=Safe_height, zoom=1.0}"},{"Add":""},{"Add":"f,s = nil -- ids of first and second touches"},{"Add":"start, curr = {}, {} -- coords of touches"},{"Add":"initzoom = nil"},{"Add":"initpos = nil -- for panning"},{"Add":""},{"Add":"function centroid(a, b)"},{"Add":" return{x=(a.x+b.x)/2, y=(a.y+b.y)/2}"},{"Add":"end"},{"Add":""},{"Add":"function vx(sx) return scale(sx-v.x) end"},{"Add":"function vy(sy) return scale(sy-v.y) end"},{"Add":"function sx(vx) return v.x + iscale(vx) end"},{"Add":"function sy(vy) return v.y + iscale(vy) end"},{"Add":"function scale(d) return d*v.zoom end"},{"Add":"function iscale(d) return d/v.zoom end"},{"Add":""},{"Add":"function dist(p1, p2)"},{"Add":" return ((p2.x-p1.x)^2 + (p2.y-p1.y)^2) ^ 0.5"},{"Add":"end"}]}},{"FileAdd":{"meta":{"basename":"main","metadata":0},"context":[{"change":0,"pos":1}],"contents":[{"Add":"-- top-level handlers for dash's event loop"},{"Add":"-- main responsibilities:"},{"Add":"-- render widgets based on current viewport settings"},{"Add":"-- dispatch keyboard and touch events to appropriate widget"},{"Add":"-- pan viewport based on one-finger touch (from either mouse or touchscreen)"},{"Add":"-- adjust zoom based on two-finger touch (touchscreen only)"},{"Add":""},{"Add":"function car.draw()"},{"Add":" for _,w in ipairs(widgets) do w.draw() end"},{"Add":" draw_hud()"},{"Add":"end"},{"Add":""},{"Add":"function car.update(dt)"},{"Add":" for _,w in ipairs(widgets) do"},{"Add":" if w.update then"},{"Add":" w.update(dt, App.mouse_x(), App.mouse_y())"},{"Add":" end"},{"Add":" end"},{"Add":"end"},{"Add":""},{"Add":"function car.mouse_press(x,y, b)"},{"Add":" skip_touch = nil"},{"Add":" cursor = nil"},{"Add":" for _,w in ipairs(widgets) do"},{"Add":" if w.ispress(x,y) then"},{"Add":" skip_touch = true"},{"Add":" return w.press(x,y, b)"},{"Add":" end"},{"Add":" end"},{"Add":" if f == nil then"},{"Add":" start.mouse = {x=x, y=y}"},{"Add":" curr.mouse = {x=x, y=y}"},{"Add":" f = 'mouse'"},{"Add":" initpos = {x=v.x, y=v.y}"},{"Add":" end"},{"Add":"end"},{"Add":""},{"Add":"function car.touch_press(id, x,y, ...)"},{"Add":" if skip_touch then return end"},{"Add":" start[id] = {x=x, y=y}"},{"Add":" curr[id] = {x=x, y=y}"},{"Add":" if f == 'mouse' then"},{"Add":" f = id"},{"Add":" elseif f then"},{"Add":" s = id"},{"Add":" initzoom = v.zoom"},{"Add":" initpos = nil"},{"Add":" end"},{"Add":"end"},{"Add":""},{"Add":"function car.mouse_move(x,y)"},{"Add":" if start.mouse then"},{"Add":" curr.mouse = {x=x, y=y}"},{"Add":" if not s then"},{"Add":" v.x = initpos.x + iscale(start.mouse.x - x)"},{"Add":" v.y = initpos.y + iscale(start.mouse.y - y)"},{"Add":" end end end"},{"Add":""},{"Add":"function car.touch_move(id, x,y, ...)"},{"Add":" if start[id] then"},{"Add":" curr[id] = {x=x, y=y}"},{"Add":" if s then"},{"Add":" local oldzoom = v.zoom"},{"Add":" v.zoom = dist(curr[f], curr[s])/dist(start[f], start[s])*initzoom"},{"Add":" local c = centroid(curr[f], curr[s])"},{"Add":" v.x = v.x + c.x/oldzoom - c.x/v.zoom"},{"Add":" v.y = v.y + c.y/oldzoom - c.y/v.zoom"},{"Add":" end end end"},{"Add":""},{"Add":"function car.mouse_release(x,y, b) "},{"Add":" for _,w in ipairs(widgets) do"},{"Add":" if w.release then w.release(x,y, b) end"},{"Add":" end"},{"Add":" f,s = nil"},{"Add":" start, curr = {}, {}"},{"Add":" skip_touch = nil"},{"Add":" initzoom = nil"},{"Add":" initpos = nil"},{"Add":"end"},{"Add":""},{"Add":"function car.keychord_press(chord, key)"},{"Add":" if cursor then cursor.presschord(chord, key) end"},{"Add":"end"},{"Add":""},{"Add":"function car.text_input(t)"},{"Add":" if cursor then cursor.textinput(t) end"},{"Add":"end"},{"Add":""},{"Add":"function car.key_release(key)"},{"Add":" if cursor then cursor.releasekey(key) end"},{"Add":"end"},{"Add":""},{"Add":"function car.quit()"},{"Add":" for name,w in pairs(widgets) do"},{"Add":" if w.quit then w.quit() end"},{"Add":" end"},{"Add":"end"}]}},{"FileAdd":{"meta":{"basename":"hud","metadata":0},"context":[{"change":0,"pos":1}],"contents":[{"Add":"function draw_hud()"},{"Add":" color(0.5, 0.5, 0.5)"},{"Add":" for _,touch in ipairs(touches()) do"},{"Add":" if curr[touch] then"},{"Add":" circle('fill', curr[touch].x, curr[touch].y, 10)"},{"Add":" end"},{"Add":" end"},{"Add":"end"}]}}],"owner":"akkartik","repo":"template-carousel-mobile","token":"+6+xPwDUNXYe5jpyMgkzNpGfO6F6mvvnmdqT+la3cTI=","login":null}

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