neural window manager

neural/apis/glasses.lua

@@ -0,0 +1,121 @@
+--[[
+	Create a terminal compatible window for glasses canvas.
+]]
+
+local Terminal = require('opus.terminal')
+
+local colors     = _G.colors
+local device     = _G.device
+
+local scale = .5
+local xs, ys = 6 * scale, 9 * scale
+
+local Glasses = { }
+
+function Glasses.create(name, sx, sy, w, h)
+	w, h = w or 46, h or 19
+	sx, sy = sx or 1, sy or 20
+
+	local glasses = device['plethora:glasses']
+	local canvas = glasses.canvas()
+	local _, cy = 1, 1
+	local lines = { }
+	local map = {
+		['0'] = 0xF0F0F0FF,
+		['1'] = 0xF2B233FF,
+		['2'] = 0xE57FD8FF,
+		['3'] = 0x99B2F2FF,
+		['4'] = 0xDEDE6CFF,
+		['5'] = 0x7FCC19FF,
+		['6'] = 0xF2B2CCFF,
+		['7'] = 0x4C4C4CFF,
+		['8'] = 0x999999FF,
+		['9'] = 0x4C99B2FF,
+		['a'] = 0xB266E5FF,
+		['b'] = 0x3366CCFF,
+		['c'] = 0x7F664CFF,
+		['d'] = 0x57A64EFF,
+		['e'] = 0xCC4C4CFF,
+		['f'] = 0x191919FF,
+	}
+
+	-- Position bottom left
+	local pos = { x = sx * xs, y = sy * ys }
+
+	local function init(group)
+		for y = 1, h do
+			lines[y] = {
+				text = { },
+				bg = { }
+			}
+			for x = 1, w do
+				lines[y].bg[x] = group.addRectangle(x * xs, y * ys, xs, ys, 0xF0F0F04F)
+				lines[y].text[x] = group.addText({ x * xs, y * ys }, '', 0x7FCC19FF)
+				lines[y].text[x].setScale(scale)
+			end
+		end
+	end
+
+	local group = canvas.addGroup(pos)
+	init(group)
+
+	local gterm = Terminal.window({
+		getSize = function()
+			return w, h
+		end,
+		isColor = function()
+			return true
+		end,
+		clear = function()
+			for y = 1, h do
+				for x = 1, w do
+					local ln = lines[y]
+					ln.bg[x].setColor(0xF0F0F04F)
+					ln.text[x].setText('')
+				end
+			end
+		end,
+		blit = function(text, fg, bg)
+			for x = 1, #text do
+				local ln = lines[cy]
+				ln.bg[x].setColor(map[bg:sub(x, x)])
+				ln.text[x].setColor(map[fg:sub(x, x)])
+				ln.text[x].setText(text:sub(x, x))
+			end
+		end,
+		setCursorPos = function(_, y)
+			cy = y -- full lines are always blit
+		end,
+		getTextColor = function()
+			return colors.white
+		end,
+		setTextColor = function() end,
+		getBackgroundColor = function()
+			return colors.black
+		end,
+		setBackgroundColor = function() end,
+		setCursorBlink = function() end,
+	}, 1, 1, w, h, true)
+
+	function gterm.setTextScale() end
+	function gterm.getPosition() return sx, sy end
+	function gterm.setVisible() end
+	function gterm.raise()
+		local g = canvas.addGroup(pos)
+		init(g)
+		gterm.redraw()
+		group.remove()
+		group = g
+	end
+	function gterm.destroy()
+		group.remove()
+	end
+
+	gterm.name = name
+	gterm.side = name
+	gterm.type = 'glasses'
+
+	return gterm
+end
+
+return Glasses