[inspect] draw key value visually separated

inspect.lua

@@ -1,4 +1,6 @@
 local listview = require "listview"
+local winhlp = require "winhlp"
+
 local keys = {[1]="a", [2]="c"}
 local obj = {a="b", c="d"}
 local frame = term.current()
@@ -20,7 +22,7 @@ end
 local function fetch(wait_for)
     local currentIdx = 1
     for i, key in pairs(keys) do
-        listview.updateItemAt(currentIdx, tostring(key)..": "..tostring(obj[key]))
+        listview.updateItemAt(currentIdx, {key=key, value=obj[key]})
         currentIdx = currentIdx + 1
     end
     listview.clearFrom(currentIdx)
@@ -34,10 +36,16 @@ local function estimatedHeight()
     return #keys
 end
 
-local function drawLine(termlike, line)
+local function drawLine(termlike, pair)
     termlike.setBackgroundColor(colors.black)
+    termlike.setTextColor(colors.yellow)
+    termlike.write(tostring(pair.key))
+
     termlike.setTextColor(colors.white)
-    termlike.write(line)
+    local value = tostring(pair.value)
+    local padding = winhlp.alignRightPadding(termlike, #value + 1)
+    termlike.write(string.format("%" .. padding .. "s", " "))
+    termlike.write(value)
 end
 listview.setDrawEntryFunc(drawLine)