Minor cleanup

widgets/dotgrid.lua

@@ -33,23 +33,23 @@ function dotgrid:new()
 	end
 
 	function dots:draw(context, cr, width, height)
-		local col_size = (height - self.spacing * (self.rows-1)) // self.rows
-		local row_size = (width - self.spacing * (self.cols-1)) // self.cols
+		local col_size = math.floor((height - self.spacing * (self.rows-1)) / self.rows)
+		local row_size = math.floor((width - self.spacing * (self.cols-1)) / self.cols)
 
 		-- Compute rounding offsets for better centering
-		local xoffset = (
+		local xoffset = math.floor((
 			width - (
 				(col_size * self.cols) +
 				(self.spacing * (self.cols - 1))
 			)
-		) // 2
+		) / 2)
 
-		local yoffset = (
+		local yoffset = math.floor((
 			height - (
 				(row_size * self.rows) +
 				(self.spacing * (self.rows - 1))
 			)
-		) // 2
+		) / 2)
 
 		-- How many dots should be on
 		local on = math.floor((self.value / self.max) * (self.rows * self.cols))