rc.lua: Remove the numkey loop and use the awful.key keygroup.

The result is the same. One less imperative construct in `rc.lua`.

awesomerc.lua

@@ -378,64 +378,63 @@ clientkeys = {
 }
 
 -- @DOC_NUMBER_KEYBINDINGS@
--- Bind all key numbers to tags.
+
--- Be careful: we use keycodes to make it work on any keyboard layout.
+awful.keyboard.append_global_keybindings({
--- This should map on the top row of your keyboard, usually 1 to 9.
+    awful.key {
-for i = 1, 9 do
+        modifiers   = { modkey },
-    -- View tag only.
+        keygroup    = "numrow",
-    awful.keyboard.append_global_keybinding(awful.key(
+        description = "only view tag",
-        { modkey }, "#" .. i + 9,
+        group       = "tag",
-        function ()
+        on_press    = function (index)
             local screen = awful.screen.focused()
-            local tag = screen.tags[i]
+            local tag = screen.tags[index]
             if tag then
                 tag:view_only()
             end
         end,
-        {description = "view tag #"..i, group = "tag"}
+    },
-    ))
+    awful.key {
-
+        modifiers   = { modkey, "Control" },
-    -- Toggle tag display.
+        keygroup    = "numrow",
-    awful.keyboard.append_global_keybinding(awful.key(
+        description = "toggle tag",
-        { modkey, "Control" }, "#" .. i + 9,
+        group       = "tag",
-        function ()
+        on_press    = function (index)
             local screen = awful.screen.focused()
-            local tag = screen.tags[i]
+            local tag = screen.tags[index]
             if tag then
                 awful.tag.viewtoggle(tag)
             end
         end,
-        {description = "toggle tag #" .. i, group = "tag"}
+    },
-    ))
+    awful.key {
-
+        modifiers = { modkey, "Shift" },
-    -- Move client to tag.
+        keygroup    = "numrow",
-    awful.keyboard.append_global_keybinding(awful.key(
+        description = "move focused client to tag",
-        { modkey, "Shift" }, "#" .. i + 9,
+        group       = "tag",
-        function ()
+        on_press    = function (index)
             if client.focus then
-                local tag = client.focus.screen.tags[i]
+                local tag = client.focus.screen.tags[index]
                 if tag then
                     client.focus:move_to_tag(tag)
                 end
             end
         end,
-        {description = "move focused client to tag #"..i, group = "tag"}
+    },
-    ))
+    awful.key {
-
+        modifiers   = { modkey, "Control", "Shift" },
-    -- Toggle tag on focused client.
+        keygroup    = "numrow",
-    awful.keyboard.append_global_keybinding(awful.key(
+        description = "toggle focused client on tag",
-        { modkey, "Control", "Shift" }, "#" .. i + 9,
+        group       = "tag",
-        function ()
+        on_press    = function (index)
             if client.focus then
-                local tag = client.focus.screen.tags[i]
+                local tag = client.focus.screen.tags[index]
                 if tag then
                     client.focus:toggle_tag(tag)
                 end
             end
         end,
-        {description = "toggle focused client on tag #" .. i, group = "tag"}
+    }
-    ))
+})
-end
 
 -- @DOC_CLIENT_BUTTONS@
 clientbuttons = {