fix(nature/greenhouse): handle raw mode and term resize

nature/commands/greenhouse.lua

@@ -13,12 +13,16 @@ commander.register('greenhouse', function(args, sinks)
 		sinks.err:writeln(string.format('could not open file %s', fname))
 	end
 
+	local gh = Greenhouse(sinks.out)
+	gh:setText(f:read '*a')
+
 	bait.catch('signal.sigint', function()
 		done = true
 	end)
 
-	local gh = Greenhouse(sinks.out)
+	bait.catch('signal.resize', function()
-	gh:setText(f:read '*a')
+		gh:update()
+	end)
 
 	ansikit.screenAlt()
 	ansikit.clear(true)

nature/greenhouse.lua

@@ -1,4 +1,4 @@
--- Greenhouse is a simple text scrolling handler for terminal program.
+-- Greenhouse is a simple text scrolling handler for terminal programs.
 -- The idea is that it can be set a region to do its scrolling and paging
 -- job and then the user can draw whatever outside it.
 -- This reduces code duplication for the message viewer
@@ -29,8 +29,9 @@ function Greenhouse:draw()
 
 	for i = self.offset, self.offset + (self.region.height - self.start) - 1 do
 		self.sink:write(ansikit.getCSI(2, 'K'))
-		self.sink:writeln(self.lines[i]:gsub('\t', '        '):sub(0, self.region.width - 2))
+		self.sink:writeln('\r' .. self.lines[i]:gsub('\t', '        '):sub(0, self.region.width - 2))
 	end
+	self.sink:write '\r'
 end
 
 function Greenhouse:scroll(direction)
@@ -39,6 +40,12 @@ function Greenhouse:scroll(direction)
 	elseif direction == 'up' then
 		self.offset = math.max(self.offset - 1, 1)
 	end
+end
+
+function Greenhouse:update()
+	local size = terminal.size()
+	self.region = size
+
 	self:draw()
 end