1 files changed, 81 insertions, 0 deletions
diff --git a/.config/awesome/ext.lua b/.config/awesome/ext.lua
new file mode 100644
index 0000000..e7bdf00
--- /dev/null
+++ b/.config/awesome/ext.lua
@@ -0,0 +1,81 @@
+local client=client
+local awful=awful
+local pairs=pairs
+local table=table
+
+module("ext")
+
+-- Returns true if all pairs in table1 are present in table2
+function match(table1, table2)
+   for k, v in pairs(table1) do
+      if table[k] ~= v and not table2[k]:find(v) then
+         return false
+      end
+   end
+
+   return true
+end
+
+--- Spawns cmd if no client can be found matching properties
+-- If such a client can be found, pop to first tag where it is
+-- visible, and give it focus
+function run_or_raise(cmd, properties)
+   local clients = client.get()
+   local focused = awful.client.next(0)
+   local findex = 0
+   local matched_clients = { }
+   local n = 0
+
+   for i, c in pairs(clients) do
+      -- make an array of matched clients
+      if match(properties, c) then
+         n = n + 1
+         matched_clients[n] = c
+
+         if n == focused then
+            findex = n
+         end
+      end
+   end
+
+   if n > 0 then
+      local c = matched_clients[1]
+
+      -- if the focused window matched switch focus to next in list
+      if 0 < findex and findex < n then
+         c = matched_clients[findex + 1]
+      end
+
+      local ctags = c:tags()
+
+      if table.getn(ctags) == 0 then
+         -- ctags is empty, show client on current tag
+         local curtag = awful.tag.selected()
+         awful.client.movetotag(curtag, c)
+      else
+         -- Otherwise, pop to first tag client is visible on
+         awful.tag.viewonly(ctags[1])
+      end
+
+      -- And then focus the client
+      client.focus = c
+      c:raise()
+      awful.screen.focus(c.screen)
+      return
+   end
+   awful.util.spawn(cmd)
+end
+
+function prev_client()
+   awful.client.focus.history.previous()
+   if client.focus then
+      client.focus:raise()
+   end
+end
+
+function next_client()
+   awful.client.focus.byidx(1)
+   if client.focus then
+      client.focus:raise()
+   end
+end