Add util.ipairs_rev function

main.lua

@@ -41,7 +41,7 @@ inventory.draw = window.draw(function (self)
 end)
 
 function inventory:pickup(item)
-    self.items[item.name] = item
+    table.insert(self.items, item)
 end
 
 log = {

util.lua

@@ -1,5 +1,17 @@
 local m = {}
 
+local function rext(a, i)
+    i = i - 1
+    local v = a[i]
+    if v then
+        return i, v
+    end
+end
+
+function m.ipairs_rev(a)
+    return rext, a, (#a + 1)
+end
+
 function m.between(x, a, b)
     return a <= x and x <= b
 end
@@ -8,3 +20,5 @@ function m.inside(px, py, x, y, w, h)
     return m.between(px, x, x+w) and
     m.between(py, y, y+h)
 end
+
+return m

window.lua

@@ -1,3 +1,4 @@
+local util = require('util')
 -- function generator for window  functions
 
 local w = {}
@@ -17,7 +18,10 @@ function w.mousepressed(f)
 
         if 0 <= x and x <= self.width and 0 <= y and y <= self.height then
             f(self, x, y, button)
+            return true
         end
+
+        return false
     end
 end
 
@@ -26,8 +30,10 @@ function w.propagate(tnames)
         local x, y = x - self.x, y - self.y
 
         for _, tname in ipairs(tnames) do
-            for i, v in pairs(self[tname]) do
-                v:mousepressed(x, y, button)
+            for i, v in util.ipairs_rev(self[tname]) do
+                if v:mousepressed(x, y, button) then
+                    return
+                end
             end
         end
     end