akkartik/wardley.love - Change S4QPRGGMVRDOB5FINBVTWSXMSOX4HA2GPRFQ5UIXRHTIHUUGZIZQC

bugfix: modify font size on zoom

Also much fiddling as I noodle on the big picture of pensieve.love and figure out how to implement panning between mouse and keyboard.

Created by Kartik K. Agaram on December 21, 2022

S4QPRGGMVRDOB5FINBVTWSXMSOX4HA2GPRFQ5UIXRHTIHUUGZIZQC

Dependencies

In channels

main

Change contents

Replacement in head at line 1 [3.10815]
B:BD[3.10815] → [2.11:14]
```
180
```
[3.10815]
```
235
```

File addition: 0235-manifest (----------)

[4.2]

{"vx":5,"Viewport":233,"initialize_editor":74,"vy":8,"compute_layout":235,"scale":7,"on.mouse_pressed":179,"on.mouse_released":178,"on.textinput":177,"on.update":14,"font":228,"on.keychord_pressed":200,"to_text":180,"Page":202,"parent":234,"on":1,"Surface":196,"box_height":44,"on.code_changed":212,"on.draw":234,"Cursor_node":172}

File addition: 0235-compute_layout (----------)

[4.2]

compute_layout = function(node, x,y, nodes_to_render)
	-- append to nodes_to_render flattened instructions to render a hierarchy of nodes
	-- return x,y rendered until (surface coordinates)
	if node.type == 'text' then
		-- leaf node containing raw text
		node.x = x
		node.y = y
		-- render background if necessary
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- render contents
		if node.width then
			node.w = node.width
		else
			local scaled_fontsize = scale(node.fontsize or 20)
			node.w = 0
			for _,s in ipairs(node.data) do
				local text = love.graphics.newText(font(scaled_fontsize), node.data)
				local width = text:getWidth()
				if node.w < width then node.w = width end
			end
		end
		initialize_editor(node)
	    node.h = box_height(node)
		table.insert(nodes_to_render, node)
		if node_to_render then
			node_to_render.w = node.w
			node_to_render.h = node.h
		end
	elseif node.type == 'rows' then
		node.x = x
		node.y = y
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- lay out children top to bottom
		local subx,suby = x,y
		local w,h = 0,0
		local subnodes
		for _,child in ipairs(node.data) do
			if child.margin then
				suby = suby+child.margin
				h = h+child.margin
			end
			subx,suby = compute_layout(child, x,suby, nodes_to_render)
			if w < child.w then
				w = child.w
			end
			h = h+child.h
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	elseif node.type == 'cols' then
		node.x = x
		node.y = y
		-- lay out children left to right
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		local subx,suby = x,y
		local w,h = 0,0
		for _,child in ipairs(node.data) do
			if child.margin then
				subx = subx+child.margin
				w = w+child.margin
			end
			subx,suby = compute_layout(child, subx,y, nodes_to_render)
			w = w + child.w
			if h < child.h then
				h = child.h
			end
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	end
	return x+node.w,y+node.h
end

File addition: 0234-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				love.graphics.setFont(font(scaled_fontsize))
				obj.text = love.graphics.newText(love.graphics.getFont(), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0234-manifest (----------)

[4.2]

{"vx":5,"Viewport":233,"initialize_editor":74,"vy":8,"compute_layout":229,"scale":7,"on.mouse_pressed":179,"on.mouse_released":178,"on.textinput":177,"on.update":14,"font":228,"on.keychord_pressed":200,"to_text":180,"Page":202,"parent":233,"on":1,"Surface":196,"box_height":44,"on.code_changed":212,"on.draw":234,"Cursor_node":172}

File addition: 0233-manifest (----------)

[4.2]

{"vx":5,"Viewport":233,"initialize_editor":74,"vy":8,"compute_layout":229,"scale":7,"on.mouse_pressed":179,"on.mouse_released":178,"on.textinput":177,"on.update":14,"font":228,"on.keychord_pressed":200,"to_text":180,"Page":202,"parent":232,"on":1,"Surface":196,"box_height":44,"on.code_changed":212,"on.draw":225,"Cursor_node":172}

File addition: 0233-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.2}

File addition: 0232-manifest (----------)

[4.2]

{"vx":5,"Viewport":232,"initialize_editor":74,"vy":8,"compute_layout":229,"scale":7,"on.mouse_pressed":179,"on.mouse_released":178,"on.textinput":177,"on.update":14,"font":228,"on.keychord_pressed":200,"to_text":180,"Page":202,"parent":231,"on":1,"Surface":196,"box_height":44,"on.code_changed":212,"on.draw":225,"Cursor_node":172}

File addition: 0232-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.5}

File addition: 0231-manifest (----------)

[4.2]

{"vx":5,"Viewport":231,"initialize_editor":74,"vy":8,"compute_layout":229,"scale":7,"on.mouse_pressed":179,"on.mouse_released":178,"on.textinput":177,"on.update":14,"font":228,"on.keychord_pressed":200,"to_text":180,"Page":202,"parent":230,"on":1,"Surface":196,"box_height":44,"on.code_changed":212,"on.draw":225,"Cursor_node":172}

File addition: 0231-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.2}

File addition: 0230-manifest (----------)

[4.2]

{"vx":5,"Viewport":230,"initialize_editor":74,"vy":8,"compute_layout":229,"scale":7,"on.mouse_pressed":179,"on.mouse_released":178,"on.textinput":177,"on.update":14,"font":228,"on.keychord_pressed":200,"to_text":180,"Page":202,"parent":229,"on":1,"Surface":196,"box_height":44,"on.code_changed":212,"on.draw":225,"Cursor_node":172}

File addition: 0230-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.5}

File addition: 0229-manifest (----------)

[4.2]

{"on.draw":225,"compute_layout":229,"vx":5,"font":228,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":228,"scale":7,"Viewport":227,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0229-compute_layout (----------)

[4.2]

compute_layout = function(node, x,y, nodes_to_render)
	-- append to nodes_to_render flattened instructions to render a hierarchy of nodes
	-- return x,y rendered until (surface coordinates)
	if node.type == 'text' then
		-- leaf node containing raw text
		print(x,y, node.data[1])
		node.x = x
		node.y = y
		-- render background if necessary
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- render contents
		if node.width then
			node.w = node.width
		else
			local scaled_fontsize = scale(node.fontsize or 20)
			node.w = 0
			for _,s in ipairs(node.data) do
				local text = love.graphics.newText(font(scaled_fontsize), node.data)
				local width = text:getWidth()
				if node.w < width then node.w = width end
			end
		end
		initialize_editor(node)
	    node.h = box_height(node)
		table.insert(nodes_to_render, node)
		if node_to_render then
			node_to_render.w = node.w
			node_to_render.h = node.h
		end
	elseif node.type == 'rows' then
		node.x = x
		node.y = y
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- lay out children top to bottom
		local subx,suby = x,y
		local w,h = 0,0
		local subnodes
		for _,child in ipairs(node.data) do
			if child.margin then
				suby = suby+child.margin
				h = h+child.margin
			end
			subx,suby = compute_layout(child, x,suby, nodes_to_render)
			if w < child.w then
				w = child.w
			end
			h = h+child.h
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	elseif node.type == 'cols' then
		node.x = x
		node.y = y
		-- lay out children left to right
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		local subx,suby = x,y
		local w,h = 0,0
		for _,child in ipairs(node.data) do
			if child.margin then
				subx = subx+child.margin
				w = w+child.margin
			end
			subx,suby = compute_layout(child, subx,y, nodes_to_render)
			w = w + child.w
			if h < child.h then
				h = child.h
			end
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	end
	return x+node.w,y+node.h
end

File addition: 0228-manifest (----------)

[4.2]

{"on.draw":225,"compute_layout":205,"vx":5,"font":228,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":227,"scale":7,"Viewport":227,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0228-font (----------)

[4.2]

font = function(fontsize)
	if Font == nil then Font = {} end
	if Font[fontsize] == nil then
		print(fontsize)
		Font[fontsize] = love.graphics.newFont(fontsize)
	end
	return Font[fontsize]
end

File addition: 0227-manifest (----------)

[4.2]

{"on.draw":225,"compute_layout":205,"vx":5,"font":224,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":226,"scale":7,"Viewport":227,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0227-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.4}

File addition: 0226-manifest (----------)

[4.2]

{"on.draw":225,"compute_layout":205,"vx":5,"font":224,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":225,"scale":7,"Viewport":226,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0226-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.5}

File addition: 0225-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('Creating text of size', scaled_fontsize)
				love.graphics.setFont(font(scaled_fontsize))
				obj.text = love.graphics.newText(love.graphics.getFont(), obj.data)
				print('aaaa', obj.text)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0225-manifest (----------)

[4.2]

{"on.draw":225,"compute_layout":205,"vx":5,"font":224,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":224,"scale":7,"Viewport":221,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0224-manifest (----------)

[4.2]

{"on.draw":223,"compute_layout":205,"vx":5,"font":224,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":223,"scale":7,"Viewport":221,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0224-font (----------)

[4.2]

font = function(fontsize)
	if Font == nil then Font = {} end
	if Font[fontsize] == nil then
		Font[fontsize] = love.graphics.newFont(fontsize)
	end
	return Font[fontsize]
end

File addition: 0223-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('Creating text of size', scaled_fontsize)
				love.graphics.setFont(scaled_fontsize)
				obj.text = love.graphics.newText(love.graphics.getFont(), obj.data)
				print('aaaa', obj.text)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0223-manifest (----------)

[4.2]

{"on.draw":223,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":222,"scale":7,"Viewport":221,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0222-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('Creating text of size', scaled_fontsize)
				love.graphics.setFont(scaled_fontsize)
				obj.text = love.graphics.newText(love.graphics.getFont(), obj.data)
				print(obj.text)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0222-manifest (----------)

[4.2]

{"on.draw":222,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":221,"scale":7,"Viewport":221,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0221-manifest (----------)

[4.2]

{"on.draw":220,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":220,"scale":7,"Viewport":221,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0221-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.5}

File addition: 0220-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
				love.graphics.setFont(scaled_fontsize)
				obj.text = love.graphics.newText(love.graphics.getFont(), obj.data)
				print(obj.text)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0220-manifest (----------)

[4.2]

{"on.draw":220,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":219,"scale":7,"Viewport":217,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0219-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
				love.graphics.setFont(scaled_fontsize)
				obj.text = love.graphics.newText(love.graphics.getFont(), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0219-manifest (----------)

[4.2]

{"on.draw":219,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":218,"scale":7,"Viewport":217,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0218-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
				love.graphics.setFont(scaled_fontsize)
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0218-manifest (----------)

[4.2]

{"on.draw":218,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":217,"scale":7,"Viewport":217,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0217-manifest (----------)

[4.2]

{"on.draw":216,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":216,"scale":7,"Viewport":217,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0217-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.4}

File addition: 0216-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
--				love.graphics.setFont(scaled_fontsize)
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0216-manifest (----------)

[4.2]

{"on.draw":216,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":215,"scale":7,"Viewport":215,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0215-manifest (----------)

[4.2]

{"on.draw":211,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":214,"scale":7,"Viewport":215,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0215-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.5}

File addition: 0214-manifest (----------)

[4.2]

{"on.draw":211,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":213,"scale":7,"Viewport":214,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0214-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.4}

File addition: 0213-manifest (----------)

[4.2]

{"on.draw":211,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":212,"scale":7,"Viewport":213,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0213-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.5}

File addition: 0212-on.code_changed (----------)

[4.2]

on.code_changed = function()
	while #Surface > 3 do
		table.remove(Surface)
	end
	print('code changed', Page.x,Page.y)
	compute_layout(Page, Page.x,Page.y, Surface)
end

File addition: 0212-manifest (----------)

[4.2]

{"on.draw":211,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":212,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":211,"scale":7,"Viewport":204,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0211-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
				love.graphics.setFont(scaled_fontsize)
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0211-manifest (----------)

[4.2]

{"on.draw":211,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":201,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":210,"scale":7,"Viewport":204,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0210-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
				love.graphics.setFont(font(obj, scaled_fontsize))
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0210-manifest (----------)

[4.2]

{"on.draw":210,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":201,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":209,"scale":7,"Viewport":204,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0209-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
				love.graphics.setFont(font(obj, scaled_fontsize))
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0209-manifest (----------)

[4.2]

{"on.draw":209,"compute_layout":205,"vx":5,"font":104,"Cursor_node":172,"vy":8,"on.code_changed":201,"on.textinput":177,"on.mouse_pressed":179,"on.mouse_released":178,"on.update":14,"on.keychord_pressed":200,"Page":202,"parent":208,"scale":7,"Viewport":204,"on":1,"to_text":180,"Surface":196,"initialize_editor":74,"box_height":44}

File addition: 0208-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
				love.graphics.setFont(font(obj, scaled_fontsize))
--				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0208-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":208,"vx":5,"Viewport":204,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":201,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":207,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":205,"on.textinput":177,"Page":202}

File addition: 0207-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				print('creating text of size', scaled_fontsize)
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0207-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":207,"vx":5,"Viewport":204,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":201,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":206,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":205,"on.textinput":177,"Page":202}

File addition: 0206-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 20)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0206-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":206,"vx":5,"Viewport":204,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":201,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":205,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":205,"on.textinput":177,"Page":202}

File addition: 0205-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":195,"vx":5,"Viewport":204,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":201,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":204,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":205,"on.textinput":177,"Page":202}

File addition: 0205-compute_layout (----------)

[4.2]

compute_layout = function(node, x,y, nodes_to_render)
	-- append to nodes_to_render flattened instructions to render a hierarchy of nodes
	-- return x,y rendered until (surface coordinates)
	if node.type == 'text' then
		-- leaf node containing raw text
		print(x,y, node.data[1])
		node.x = x
		node.y = y
		-- render background if necessary
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- render contents
		if node.width then
			node.w = node.width
		else
			local scaled_fontsize = scale(node.fontsize or 20)
			node.w = 0
			for _,s in ipairs(node.data) do
				local text = love.graphics.newText(font(node, scaled_fontsize), node.data)
				local width = text:getWidth()
				if node.w < width then node.w = width end
			end
		end
		initialize_editor(node)
	    node.h = box_height(node)
		table.insert(nodes_to_render, node)
		if node_to_render then
			node_to_render.w = node.w
			node_to_render.h = node.h
		end
	elseif node.type == 'rows' then
		node.x = x
		node.y = y
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- lay out children top to bottom
		local subx,suby = x,y
		local w,h = 0,0
		local subnodes
		for _,child in ipairs(node.data) do
			if child.margin then
				suby = suby+child.margin
				h = h+child.margin
			end
			subx,suby = compute_layout(child, x,suby, nodes_to_render)
			if w < child.w then
				w = child.w
			end
			h = h+child.h
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	elseif node.type == 'cols' then
		node.x = x
		node.y = y
		-- lay out children left to right
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		local subx,suby = x,y
		local w,h = 0,0
		for _,child in ipairs(node.data) do
			if child.margin then
				subx = subx+child.margin
				w = w+child.margin
			end
			subx,suby = compute_layout(child, subx,y, nodes_to_render)
			w = w + child.w
			if h < child.h then
				h = child.h
			end
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	end
	return x+node.w,y+node.h
end

File addition: 0204-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":195,"vx":5,"Viewport":204,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":201,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":203,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":194,"on.textinput":177,"Page":202}

File addition: 0204-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.5}

File addition: 0203-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":195,"vx":5,"Viewport":203,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":201,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":202,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":194,"on.textinput":177,"Page":202}

File addition: 0203-Viewport (----------)

[4.2]

Viewport = {x=-50, y=-50, w=800,h=600, zoom=1.5}

File addition: 0202-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":195,"vx":5,"Viewport":29,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":201,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":201,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":194,"on.textinput":177,"Page":202}

File addition: 0202-Page (----------)

[4.2]

Page = {
    -- page
	type='cols', x=0, y=20,
    width=800, data={
      -- editor covering left side
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
      -- a table on the right
      { type='rows', name='searches', margin=50, data={
        { type='text', data={''},},
        { type='cols', data={
          { type='text', data={'search:'},},
          { type='text', name='search', bg={r=0.8,g=0.8,b=0.8}, data={''}, width=90,},
        }},
		{ type='text', data={'table:'},},
        { type='cols', bg={r=0.8,g=0.8,b=0.8}, data={
            { type='rows', width=90, data={
              {type='text', data={'abc'},},
              {type='text', data={'abc'},},
            }},
            { type='rows', width=90, data={
              {type='text', data={'def'},},
              {type='text', data={'def'},},
            }},
        }},
      }},
    },
}

File addition: 0201-on.code_changed (----------)

[4.2]

on.code_changed = function()
	while #Surface > 3 do
		table.remove(Surface)
	end
	print('code changed', Page.x,Page.y)
	compute_layout(Page, Page.x,Page.y, Surface)
end

File addition: 0201-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":195,"vx":5,"Viewport":29,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":201,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":200,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":194,"on.textinput":177,"Page":197}

File addition: 0200-on.keychord_pressed (----------)

[4.2]

on.keychord_pressed = function(chord, key)
	if chord == 'C-=' then
		-- zoom in
		Viewport.zoom = Viewport.zoom+0.1
	elseif chord == 'C--' then
		-- zoom out
		Viewport.zoom = Viewport.zoom-0.1
	elseif chord == 'C-0' then
		-- reset zoom
		Viewport.zoom = 1.0
	elseif Cursor_node then
		edit.keychord_pressed(Cursor_node.editor, chord, key)
	end
end

File addition: 0200-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":195,"vx":5,"Viewport":29,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":199,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":199,"on.update":14,"box_height":44,"on.keychord_pressed":200,"scale":7,"compute_layout":194,"on.textinput":177,"Page":197}

File addition: 0199-on.code_changed (----------)

[4.2]

on.code_changed = function()
	while #Surface > 3 do
		table.remove(Surface)
	end
	print('code changed', Page.x,Page.y)
	compute_layout(
		Page,
	--[[
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
--	]]
		Page.x,Page.y,
		Surface)
end

File addition: 0199-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":195,"vx":5,"Viewport":29,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":199,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":198,"on.update":14,"box_height":44,"on.keychord_pressed":176,"scale":7,"compute_layout":194,"on.textinput":177,"Page":197}

File addition: 0198-on.code_changed (----------)

[4.2]

on.code_changed = function()
	while #Surface > 3 do
		table.remove(Surface)
	end
	print('code changed', Page.x,Page.y)
	compute_layout(
		Page,
	--[[
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
--	]]
		Page.x,Page.y,
		Surface)
end

File addition: 0198-manifest (----------)

[4.2]

{"Cursor_node":172,"font":104,"Surface":196,"on.draw":195,"vx":5,"Viewport":29,"vy":8,"initialize_editor":74,"on":1,"on.code_changed":198,"on.mouse_pressed":179,"to_text":180,"on.mouse_released":178,"parent":197,"on.update":14,"box_height":44,"on.keychord_pressed":176,"scale":7,"compute_layout":194,"on.textinput":177,"Page":197}

File addition: 0197-manifest (----------)

[4.2]

{"on.mouse_released":178,"on.update":14,"box_height":44,"font":104,"compute_layout":194,"Page":197,"on.code_changed":190,"on.textinput":177,"Surface":196,"on":1,"on.draw":195,"vx":5,"scale":7,"Viewport":29,"Cursor_node":172,"vy":8,"parent":196,"to_text":180,"initialize_editor":74,"on.keychord_pressed":176,"on.mouse_pressed":179}

File addition: 0197-Page (----------)

[4.2]

Page = {
    -- page
	type='cols', x=0, y=20,
    width=800, data={
      -- editor covering left side
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
      -- a table on the right
      { type='rows', name='searches', margin=50, data={
        { type='text', data={''},},
        { type='cols', data={
          { type='text', data={'search:'},},
          { type='text', name='search', bg={r=0.8,g=0.8,b=0.8}, data={''}, width=90,},
        }},
		{ type='text', data={'table:'},},
        { type='cols', bg={r=0.8,g=0.8,b=0.8}, data={
            { type='rows', width=90, data={
              {type='text', data={'abc'},},
              {type='text', data={'abc'},},
            }},
            { type='rows', width=90, data={
              {type='text', data={'def'},},
              {type='text', data={'def'},},
            }},
        }},
      }},
    },
}

File addition: 0196-manifest (----------)

[4.2]

{"on.mouse_released":178,"on.update":14,"box_height":44,"font":104,"compute_layout":194,"Page":192,"on.code_changed":190,"on.textinput":177,"Surface":196,"on":1,"on.draw":195,"vx":5,"scale":7,"Viewport":29,"Cursor_node":172,"vy":8,"parent":195,"to_text":180,"initialize_editor":74,"on.keychord_pressed":176,"on.mouse_pressed":179}

File addition: 0196-Surface (----------)

[4.2]

Surface = {
  -- test data
  {type='line', data={0,0, 0,600}},
  {type='line', data={0,0, 800,0}},
  {type='text', data={'0'}, x=-20,y=-20},
  {type='rectangle', x=50,y=50, w=20,h=80, r=1,g=0,b=0},
  {type='text', data={'abc', 'def'}, x=150, y=50, w=50,h=50, fg={r=0,g=0.4, b=0.9}},
  {type='circle', x=300,y=200, radius=40, r=1,g=0,b=1},
  {type='arc', x=0,y=0, radius=50, angle1=0, angle2=math.pi*2/3},
  {type='ellipse', x=100,y=100, radiusx=10, radiusy=50},
  {type='bezier', data={25,25, 25,125, 75,25, 125,25}},
}

File addition: 0195-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 15)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0195-manifest (----------)

[4.2]

{"on.mouse_released":178,"on.update":14,"box_height":44,"font":104,"compute_layout":194,"Page":192,"on.code_changed":190,"on.textinput":177,"Surface":165,"on":1,"on.draw":195,"vx":5,"scale":7,"Viewport":29,"Cursor_node":172,"vy":8,"parent":194,"to_text":180,"initialize_editor":74,"on.keychord_pressed":176,"on.mouse_pressed":179}

File addition: 0194-manifest (----------)

[4.2]

{"on.mouse_released":178,"on.update":14,"box_height":44,"font":104,"compute_layout":194,"Page":192,"on.code_changed":190,"on.textinput":177,"Surface":165,"on":1,"on.draw":193,"vx":5,"scale":7,"Viewport":29,"Cursor_node":172,"vy":8,"parent":193,"to_text":180,"initialize_editor":74,"on.keychord_pressed":176,"on.mouse_pressed":179}

File addition: 0194-compute_layout (----------)

[4.2]

compute_layout = function(node, x,y, nodes_to_render)
	-- append to nodes_to_render flattened instructions to render a hierarchy of nodes
	-- return x,y rendered until (surface coordinates)
	if node.type == 'text' then
		-- leaf node containing raw text
		print(x,y, node.data[1])
		node.x = x
		node.y = y
		-- render background if necessary
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- render contents
		if node.width then
			node.w = node.width
		else
			local scaled_fontsize = scale(node.fontsize or 15)
			node.w = 0
			for _,s in ipairs(node.data) do
				local text = love.graphics.newText(font(node, scaled_fontsize), node.data)
				local width = text:getWidth()
				if node.w < width then node.w = width end
			end
		end
		initialize_editor(node)
	    node.h = box_height(node)
		table.insert(nodes_to_render, node)
		if node_to_render then
			node_to_render.w = node.w
			node_to_render.h = node.h
		end
	elseif node.type == 'rows' then
		node.x = x
		node.y = y
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- lay out children top to bottom
		local subx,suby = x,y
		local w,h = 0,0
		local subnodes
		for _,child in ipairs(node.data) do
			if child.margin then
				suby = suby+child.margin
				h = h+child.margin
			end
			subx,suby = compute_layout(child, x,suby, nodes_to_render)
			if w < child.w then
				w = child.w
			end
			h = h+child.h
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	elseif node.type == 'cols' then
		node.x = x
		node.y = y
		-- lay out children left to right
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		local subx,suby = x,y
		local w,h = 0,0
		for _,child in ipairs(node.data) do
			if child.margin then
				subx = subx+child.margin
				w = w+child.margin
			end
			subx,suby = compute_layout(child, subx,y, nodes_to_render)
			w = w + child.w
			if h < child.h then
				h = child.h
			end
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	end
	return x+node.w,y+node.h
end

File addition: 0193-on.draw (----------)

[4.2]

on.draw = function()
	for _,obj in ipairs(Surface) do
		love.graphics.setColor(obj.r or 0, obj.g or 0, obj.b or 0)
		if obj.type == 'rectangle' then
			love.graphics.rectangle(obj.drawmode or 'fill', vx(obj.x),vy(obj.y), scale(obj.w),scale(obj.h))
		elseif obj.type == 'line' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.zdata = {}
				for i=1,#obj.data,2 do
					table.insert(obj.zdata, vx(obj.data[i]))
					table.insert(obj.zdata, vy(obj.data[i+1]))
				end
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'circle' then
			love.graphics.circle(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radius))
		elseif obj.type == 'arc' then
			love.graphics.arc(obj.drawmode or 'line', obj.arctype or 'open', vx(obj.x), vy(obj.y), scale(obj.radius), obj.angle1, obj.angle2, obj.segments)
		elseif obj.type == 'ellipse' then
			love.graphics.ellipse(obj.drawmode or 'fill', vx(obj.x), vy(obj.y), scale(obj.radiusx), scale(obj.radiusy))
		elseif obj.type == 'bezier' then
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				zdata = {}
				for i=1,#obj.data,2 do
					table.insert(zdata, vx(obj.data[i]))
					table.insert(zdata, vy(obj.data[i+1]))
				end
				obj.zdata = love.math.newBezierCurve(zdata):render()
			end
			love.graphics.line(unpack(obj.zdata))
		elseif obj.type == 'text' then
			local scaled_fontsize = scale(obj.fontsize or 15)
			if obj.saved_zoom ~= Viewport.zoom or obj.saved_x ~= Viewport.x or obj.saved_y ~= Viewport.y or obj.scaled_fontsize ~= scaled_fontsize then
				obj.saved_zoom = Viewport.zoom
				obj.saved_x = Viewport.x
				obj.saved_y = Viewport.y
				obj.scaled_fontsize = scaled_fontsize
				obj.text = love.graphics.newText(font(obj, scaled_fontsize), obj.data)
				initialize_editor(obj)
			end
			if obj.w == nil then
				love.graphics.draw(obj.text, vx(obj.x), vy(obj.y))
			else
				edit.draw(obj.editor, obj.fg or {r=0,g=0,b=0}, not obj.show_cursor)
			end
		end
	end
end

File addition: 0193-manifest (----------)

[4.2]

{"on.mouse_released":178,"on.update":14,"box_height":44,"font":104,"compute_layout":187,"Page":192,"on.code_changed":190,"on.textinput":177,"Surface":165,"on":1,"on.draw":193,"vx":5,"scale":7,"Viewport":29,"Cursor_node":172,"vy":8,"parent":192,"to_text":180,"initialize_editor":74,"on.keychord_pressed":176,"on.mouse_pressed":179}

File addition: 0192-manifest (----------)

[4.2]

{"on.mouse_released":178,"on.update":14,"box_height":44,"font":104,"compute_layout":187,"Page":192,"on.code_changed":190,"on.textinput":177,"Surface":165,"on":1,"on.draw":162,"vx":5,"scale":7,"Viewport":29,"Cursor_node":172,"vy":8,"parent":191,"to_text":180,"initialize_editor":74,"on.keychord_pressed":176,"on.mouse_pressed":179}

File addition: 0192-Page (----------)

[4.2]

Page = {
    -- page
	type='cols', x=0, y=0,
    width=800, data={
      -- editor covering left side
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
      -- a table on the right
      { type='rows', name='searches', margin=50, data={
        { type='text', data={''},},
        { type='cols', data={
          { type='text', data={'search:'},},
          { type='text', name='search', bg={r=0.8,g=0.8,b=0.8}, data={''}, width=90,},
        }},
		{ type='text', data={'table:'},},
        { type='cols', bg={r=0.8,g=0.8,b=0.8}, data={
            { type='rows', width=90, data={
              {type='text', data={'abc'},},
              {type='text', data={'abc'},},
            }},
            { type='rows', width=90, data={
              {type='text', data={'def'},},
              {type='text', data={'def'},},
            }},
        }},
      }},
    },
}

File addition: 0191-manifest (----------)

[4.2]

{"on.mouse_released":178,"on.update":14,"box_height":44,"font":104,"compute_layout":187,"Page":191,"on.code_changed":190,"on.textinput":177,"Surface":165,"on":1,"on.draw":162,"vx":5,"scale":7,"Viewport":29,"Cursor_node":172,"vy":8,"parent":190,"to_text":180,"initialize_editor":74,"on.keychord_pressed":176,"on.mouse_pressed":179}

File addition: 0191-Page (----------)

[4.2]

Page = {
    -- page
	type='cols', x=0, y=200,
    width=800, data={
      -- editor covering left side
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
      -- a table on the right
      { type='rows', name='searches', margin=50, data={
        { type='text', data={''},},
        { type='cols', data={
          { type='text', data={'search:'},},
          { type='text', name='search', bg={r=0.8,g=0.8,b=0.8}, data={''}, width=90,},
        }},
		{ type='text', data={'table:'},},
        { type='cols', bg={r=0.8,g=0.8,b=0.8}, data={
            { type='rows', width=90, data={
              {type='text', data={'abc'},},
              {type='text', data={'abc'},},
            }},
            { type='rows', width=90, data={
              {type='text', data={'def'},},
              {type='text', data={'def'},},
            }},
        }},
      }},
    },
}

File addition: 0190-on.code_changed (----------)

[4.2]

on.code_changed = function()
	while #Surface > 3 do
		table.remove(Surface)
	end
	print('code changed', Page.x,Page.y)
	compute_layout(
		Page,
	--[[
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
--	]]
		Page.x,Page.y,
		Surface)
end

File addition: 0190-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":187,"Page":189,"on.update":14,"scale":7,"on":1,"on.code_changed":190,"parent":189,"on.mouse_pressed":179,"Surface":165}

File addition: 0189-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":187,"Page":189,"on.update":14,"scale":7,"on":1,"on.code_changed":188,"parent":188,"on.mouse_pressed":179,"Surface":165}

File addition: 0189-Page (----------)

[4.2]

Page = {
    -- page
	type='cols', x=0, y=400,
    width=800, data={
      -- editor covering left side
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
      -- a table on the right
      { type='rows', name='searches', margin=50, data={
        { type='text', data={''},},
        { type='cols', data={
          { type='text', data={'search:'},},
          { type='text', name='search', bg={r=0.8,g=0.8,b=0.8}, data={''}, width=90,},
        }},
		{ type='text', data={'table:'},},
        { type='cols', bg={r=0.8,g=0.8,b=0.8}, data={
            { type='rows', width=90, data={
              {type='text', data={'abc'},},
              {type='text', data={'abc'},},
            }},
            { type='rows', width=90, data={
              {type='text', data={'def'},},
              {type='text', data={'def'},},
            }},
        }},
      }},
    },
}

File addition: 0188-on.code_changed (----------)

[4.2]

on.code_changed = function()
	while #Surface > 3 do
		table.remove(Surface)
	end
	print('code changed', Page.x,Page.y)
	compute_layout(
		Page,
	--[[
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
--	]]
		Page.x,Page.y,
		Surface)
end

File addition: 0188-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":187,"Page":184,"on.update":14,"scale":7,"on":1,"on.code_changed":188,"parent":187,"on.mouse_pressed":179,"Surface":165}

File addition: 0187-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":187,"Page":184,"on.update":14,"scale":7,"on":1,"on.code_changed":185,"parent":186,"on.mouse_pressed":179,"Surface":165}

File addition: 0187-compute_layout (----------)

[4.2]

compute_layout = function(node, x,y, nodes_to_render)
	-- append to nodes_to_render flattened instructions to render a hierarchy of nodes
	-- return x,y rendered until (surface coordinates)
	if node.type == 'text' then
		-- leaf node containing raw text
		print(x,y, node.data[1])
		node.x = x
		node.y = y
		-- render background if necessary
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- render contents
		if node.width then
			node.w = node.width
		else
			local scaled_fontsize = scale(node.fontsize or 20)
			node.w = 0
			for _,s in ipairs(node.data) do
				local text = love.graphics.newText(font(node, scaled_fontsize), node.data)
				local width = text:getWidth()
				if node.w < width then node.w = width end
			end
		end
		initialize_editor(node)
	    node.h = box_height(node)
		table.insert(nodes_to_render, node)
		if node_to_render then
			node_to_render.w = node.w
			node_to_render.h = node.h
		end
	elseif node.type == 'rows' then
		node.x = x
		node.y = y
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- lay out children top to bottom
		local subx,suby = x,y
		local w,h = 0,0
		local subnodes
		for _,child in ipairs(node.data) do
			if child.margin then
				suby = suby+child.margin
				h = h+child.margin
			end
			subx,suby = compute_layout(child, x,suby, nodes_to_render)
			if w < child.w then
				w = child.w
			end
			h = h+child.h
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	elseif node.type == 'cols' then
		node.x = x
		node.y = y
		-- lay out children left to right
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		local subx,suby = x,y
		local w,h = 0,0
		for _,child in ipairs(node.data) do
			if child.margin then
				subx = subx+child.margin
				w = w+child.margin
			end
			subx,suby = compute_layout(child, subx,y, nodes_to_render)
			w = w + child.w
			if h < child.h then
				h = child.h
			end
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	end
	return x+node.w,y+node.h
end

File addition: 0186-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":186,"Page":184,"on.update":14,"scale":7,"on":1,"on.code_changed":185,"parent":185,"on.mouse_pressed":179,"Surface":165}

File addition: 0186-compute_layout (----------)

[4.2]

compute_layout = function(node, x,y, nodes_to_render)
	-- append to nodes_to_render flattened instructions to render a hierarchy of nodes
	-- return x,y rendered until (surface coordinates)
	if node.type == 'text' then
		-- leaf node containing raw text
		print(node.data[1])
		node.x = x
		node.y = y
		-- render background if necessary
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- render contents
		if node.width then
			node.w = node.width
		else
			local scaled_fontsize = scale(node.fontsize or 20)
			node.w = 0
			for _,s in ipairs(node.data) do
				local text = love.graphics.newText(font(node, scaled_fontsize), node.data)
				local width = text:getWidth()
				if node.w < width then node.w = width end
			end
		end
		initialize_editor(node)
	    node.h = box_height(node)
		table.insert(nodes_to_render, node)
		if node_to_render then
			node_to_render.w = node.w
			node_to_render.h = node.h
		end
	elseif node.type == 'rows' then
		node.x = x
		node.y = y
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		-- lay out children top to bottom
		local subx,suby = x,y
		local w,h = 0,0
		local subnodes
		for _,child in ipairs(node.data) do
			if child.margin then
				suby = suby+child.margin
				h = h+child.margin
			end
			subx,suby = compute_layout(child, x,suby, nodes_to_render)
			if w < child.w then
				w = child.w
			end
			h = h+child.h
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	elseif node.type == 'cols' then
		node.x = x
		node.y = y
		-- lay out children left to right
		local node_to_render
		if node.bg then
			node_to_render = {type='rectangle', r=node.bg.r, g=node.bg.g, b=node.bg.b, x=node.x, y=node.y}
			table.insert(nodes_to_render, node_to_render)
		end
		local subx,suby = x,y
		local w,h = 0,0
		for _,child in ipairs(node.data) do
			if child.margin then
				subx = subx+child.margin
				w = w+child.margin
			end
			subx,suby = compute_layout(child, subx,y, nodes_to_render)
			w = w + child.w
			if h < child.h then
				h = child.h
			end
		end
		node.w = w
		node.h = h
		if node_to_render then
			node_to_render.w = w
			node_to_render.h = h
		end
	end
	return x+node.w,y+node.h
end

File addition: 0185-on.code_changed (----------)

[4.2]

on.code_changed = function()
	print('code changed')
	while #Surface > 3 do
		table.remove(Surface)
	end
	compute_layout(
		Page,
	--[[
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
--	]]
		Page.x,Page.y,
		Surface)
end

File addition: 0185-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":157,"Page":184,"on.update":14,"scale":7,"on":1,"on.code_changed":185,"parent":184,"on.mouse_pressed":179,"Surface":165}

File addition: 0184-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":157,"Page":184,"on.update":14,"scale":7,"on":1,"on.code_changed":183,"parent":183,"on.mouse_pressed":179,"Surface":165}

File addition: 0184-Page (----------)

[4.2]

Page = {
    -- page
	type='cols', x=0, y=400,
    width=800, data={
      -- editor covering left side
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
      -- a table on the right
      { type='rows', name='searches', margin=50, data={
        { type='text', data={''},},
        { type='cols', data={
          { type='text', data={'search:'},},
          { type='text', name='search', bg={r=0.8,g=0.8,b=0.8}, data={''}, width=90,},
        }},
		{ type='text', data={'table:'},},
        { type='cols', bg={r=0.8,g=0.8,b=0.8}, data={
            { type='rows', width=90, data={
              {type='text', data={'abc'},},
              {type='text', data={'abc'},},
            }},
            { type='rows', width=90, data={
              {type='text', data={'def'},},
              {type='text', data={'def'},},
            }},
        }},
      }},
    },
}

File addition: 0183-on.code_changed (----------)

[4.2]

on.code_changed = function()
	print('code changed')
	while #Surface > 3 do
		table.remove(Surface)
	end
	compute_layout(
		Page,
	--[[
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
--	]]
		0,0,
		Surface)
end

File addition: 0183-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":157,"Page":181,"on.update":14,"scale":7,"on":1,"on.code_changed":183,"parent":182,"on.mouse_pressed":179,"Surface":165}

File addition: 0182-on.code_changed (----------)

[4.2]

on.code_changed = function()
	while #Surface > 3 do
		table.remove(Surface)
	end
	compute_layout(
		Page,
	--[[
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
--	]]
		0,0,
		Surface)
end

File addition: 0182-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":157,"Page":181,"on.update":14,"scale":7,"on":1,"on.code_changed":182,"parent":181,"on.mouse_pressed":179,"Surface":165}

File addition: 0181-manifest (----------)

[4.2]

{"on.draw":162,"to_text":180,"vx":5,"Viewport":29,"vy":8,"Cursor_node":172,"font":104,"on.mouse_released":178,"on.textinput":177,"initialize_editor":74,"box_height":44,"on.keychord_pressed":176,"compute_layout":157,"Page":181,"on.update":14,"scale":7,"on":1,"on.code_changed":140,"parent":180,"on.mouse_pressed":179,"Surface":165}

File addition: 0181-Page (----------)

[4.2]

Page = {
    -- page
	type='cols', x=0, y=300,
    width=800, data={
      -- editor covering left side
      {
		type='text',
        name='editor',
        doc='prose goes here, on the left half of the window',
        margin=Margin_left,
        data={"Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.",},
        width=400, bg={r=1,g=1,b=0}
      },
      -- a table on the right
      { type='rows', name='searches', margin=50, data={
        { type='text', data={''},},
        { type='cols', data={
          { type='text', data={'search:'},},
          { type='text', name='search', bg={r=0.8,g=0.8,b=0.8}, data={''}, width=90,},
        }},
		{ type='text', data={'table:'},},
        { type='cols', bg={r=0.8,g=0.8,b=0.8}, data={
            { type='rows', width=90, data={
              {type='text', data={'abc'},},
              {type='text', data={'abc'},},
            }},
            { type='rows', width=90, data={
              {type='text', data={'def'},},
              {type='text', data={'def'},},
            }},
        }},
      }},
    },
}

bugfix: modify font size on zoom

Dependencies

In channels

Change contents

Replacement in head at line 1 [3.10815]

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