refactor: minor fixes

init.lua

@@ -30,13 +30,12 @@ local capi         = {
 }
 local delayed_call = require("gears.timer").delayed_call
 
-local revelation ={}
 local clientData = {} -- table that holds the positions and sizes of floating clients
 
-charorder = "jkluiopyhnmfdsatgvcewqzx1234567890"
+local charorder = "jkluiopyhnmfdsatgvcewqzx1234567890"
-hintbox = {} -- Table of letter wiboxes with characters as the keys
+local hintbox = {} -- Table of letter wiboxes with characters as the keys
 
-revelation = {
+local revelation = {
     -- Name of expose tag.
     tag_name = "Revelation",
 
@@ -63,7 +62,8 @@ revelation = {
     is_excluded = false,
     curr_tag_only = false,
     font = "monospace 20",
-    fg = beautiful.fg_normal
+    fg = beautiful.fg_normal,
+    hintsize = beautiful.xresources.apply_dpi(50)
 }
 
 
@@ -88,8 +88,8 @@ end
 -- @param t The tag to give matching clients.
 local function match_clients(rule, clients, t, is_excluded)
     local mfc = rule.any and revelation.match.any or revelation.match.exact
-    local mf = is_excluded and function(c,rule) return not mfc(c,rule) end or mfc
+    local mf = is_excluded and function(c,_rule) return not mfc(c,_rule) end or mfc
-    local k,v, flt
+    local flt
     for _, c in pairs(clients) do
         if mf(c, rule) then
             -- Store geometry before setting their tags
@@ -122,7 +122,7 @@ end
 
 
 function revelation.expose(args)
-    local args = args or {}
+    args = args or {}
     local rule = args.rule or {}
     local is_excluded = args.is_excluded or false
     local curr_tag_only = args.curr_tag_only or false
@@ -135,9 +135,6 @@ function revelation.expose(args)
 
 
     for scr=1,capi.screen.count() do
-
-        all_tags = awful.tag.gettags(scr)
-
         t[scr] = awful.tag.new({revelation.tag_name},
         scr,
         awful.layout.suit.fair)[1]
@@ -154,10 +151,11 @@ function revelation.expose(args)
 
         awful.tag.viewonly(t[scr], t.screen)
     end
-    delayed_call(function() expose_callback(t, zt) end)
+    delayed_call(function() revelation.expose_callback(t, zt) end)
 end
 
-function expose_callback(t, zt)
+
+function revelation.expose_callback(t, zt)
     local hintindex = {} -- Table of visible clients with the hint letter as the keys
     local clientlist = awful.client.visible()
     for i,thisclient in pairs(clientlist) do
@@ -167,14 +165,13 @@ function expose_callback(t, zt)
             hintindex[char] = thisclient
             local geom = thisclient:geometry()
             hintbox[char].visible = true
-            hintbox[char].x = math.floor(geom.x + geom.width/2 - hintsize/2)
+            hintbox[char].x = math.floor(geom.x + geom.width/2 - revelation.hintsize/2)
-            hintbox[char].y = math.floor(geom.y + geom.height/2 - hintsize/2)
+            hintbox[char].y = math.floor(geom.y + geom.height/2 - revelation.hintsize/2)
             hintbox[char].screen = thisclient.screen
         end
     end
 
     local function restore()
-        local k,v
         for scr=1, capi.screen.count() do
             awful.tag.history.restore(scr)
             t[scr].screen = nil
@@ -219,11 +216,11 @@ function expose_callback(t, zt)
 
     local zoomed = false
     local zoomedClient = nil
-    local keyPressed = false
 
+    local keyPressed = false
     capi.keygrabber.run(function (mod, key, event)
-        local c = nil
+        local c
-        local keyPressed = false
+        keyPressed = false
 
         if event == "release" then return true end
 
@@ -321,11 +318,9 @@ end
 -- Create the wiboxes, but don't show them
 
 function revelation.init(args)
-    hintsize = beautiful.xresources.apply_dpi(50)
-    local fontcolor = revelation.fg
     local letterbox = {}
 
-    local args = args or {}
+    args = args or {}
 
     revelation.tag_name = args.tag_name or revelation.tag_name
     if args.match then
@@ -338,8 +333,8 @@ function revelation.init(args)
         local char = charorder:sub(i,i)
         hintbox[char] = wibox({fg=beautiful.fg_normal, bg=beautiful.bg_focus, border_color=beautiful.border_focus, border_width=beautiful.border_width})
         hintbox[char].ontop = true
-        hintbox[char].width = hintsize
+        hintbox[char].width = revelation.hintsize
-        hintbox[char].height = hintsize
+        hintbox[char].height = revelation.hintsize
         letterbox[char] = wibox.widget.textbox()
         letterbox[char]:set_markup(
           "<span color=\"" .. revelation.fg .. "\"" .. ">" ..