fix silly lil bug causing mener to cry

2 files changed, 7 insertions, 11 deletions

diff --git a/src/im.lua b/src/im.lua
index 28c7064..7602765 100644
--- a/src/im.lua
+++ b/src/im.lua
@@ -315,11 +315,13 @@ function im.begin_window(title, x, y, w, h, opts)
     end
 
     if mouse_down and focused_win == win then
-      local last = pop(wins)
-      wins[win.idx] = last
-      last.idx = win.idx
-      table.insert(wins, win)
-      win.idx = #wins
+      if wins[#wins] ~= win then
+        local last = table.remove(wins)
+        wins[win.idx] = last
+        last.idx = win.idx
+        table.insert(wins, win)
+        win.idx = #wins
+      end
     end
   end
 
diff --git a/src/utils.lua b/src/utils.lua
index 33ca7e8..ec5d16e 100644
--- a/src/utils.lua
+++ b/src/utils.lua
@@ -18,12 +18,6 @@ function min(a, b)
   return b
 end
 
-function pop(tbl)
-  local last = tbl[#tbl]
-  tbl[#tbl] = nil
-  return last
-end
-
 function normalize(x, y)
   if x == 0 and y == 0 then
     return 0, 0