]> git.madduck.net Git - etc/awesome.git/blobdiff - util/init.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

fix 'attempt to index a nil value (global self)'
[etc/awesome.git] / util / init.lua
index a7b53d27b54c6c93f5819185be969512beb1c61f..c62f0da3a10a9745649fd15b279d2b3f57ca22b6 100644 (file)
@@ -15,7 +15,6 @@
 local awful        = require("awful")
 local beautiful    = require("beautiful")
 local math         = { sqrt = math.sqrt }
-local mouse        = mouse
 local pairs        = pairs
 local string       = { gsub = string.gsub }
 local client       = client
@@ -29,26 +28,23 @@ local setmetatable = setmetatable
 -- lain.util
 local util = { _NAME = "lain.util" }
 
--- Like awful.menu.clients, but only show clients of currently selected
--- tags.
+-- Like awful.menu.clients, but only show clients of currently selected tags
 function util.menu_clients_current_tags(menu, args)
     -- List of currently selected tags.
     local cls_tags = awful.screen.focused().selected_tags
 
+    if cls_tags == nil then return nil end
+
     -- Final list of menu items.
     local cls_t = {}
 
-    if cls_tags == nil then return nil end
-
     -- For each selected tag get all clients of that tag and add them to
     -- the menu. A click on a menu item will raise that client.
-    for i = 1,#cls_tags
-    do
-        local t = cls_tags[i]
+    for i = 1,#cls_tags do
+        local t   = cls_tags[i]
         local cls = t:clients()
 
-        for k, c in pairs(cls)
-        do
+        for k, c in pairs(cls) do
             cls_t[#cls_t + 1] = { awful.util.escape(c.name) or "",
                                   function ()
                                       c.minimized = false
@@ -68,32 +64,31 @@ function util.menu_clients_current_tags(menu, args)
 
     -- Set the list of items and show the menu.
     menu.items = cls_t
-    local m = awful.menu.new(menu)
+    local m = awful.menu(menu)
     m:show(args)
+
     return m
 end
 
--- Magnify a client: Set it to "float" and resize it.
-local magnified_client = nil
+-- Magnify a client: set it to "float" and resize it.
 function util.magnify_client(c)
-    if c and not awful.client.floating.get(c) then
+    if c and not c.floating then
         util.mc(c)
-        magnified_client = c
+        util.magnified_client = c
     else
-        awful.client.floating.set(c, false)
-        magnified_client = nil
+        c.floating = false
+        util.magnified_client = nil
     end
 end
 
 -- https://github.com/copycat-killer/lain/issues/195
 function util.mc(c)
-    c = c or magnified_client
+    c = c or util.magnified_client
     if not c then return end
 
     c.floating   = true
-    local s      = awful.screen.selected()
+    local s      = awful.screen.focused()
     local mg     = s.geometry
-    local tag    = s.selected_tag
     local mwfact = beautiful.master_width_factor or 0.5
     local g      = {}
     g.width      = math.sqrt(mwfact) * mg.width
@@ -104,55 +99,10 @@ function util.mc(c)
     if c then c:geometry(g) end -- if c is still a valid object
 end
 
--- Read the nice value of pid from /proc.
-local function get_nice_value(pid)
-    local n = first_line('/proc/' .. pid .. '/stat')
-    if not n then return 0 end
-
-    -- Remove pid and tcomm. This is necessary because tcomm may contain
-    -- nasty stuff such as whitespace or additional parentheses...
-    n = string.gsub(n, '.*%) ', '')
-
-    -- Field number 17 now is the nice value.
-    fields = split(n, ' ')
-    return tonumber(fields[17])
-end
-
--- To be used as a signal handler for "focus"
--- This requires beautiful.border_focus{,_highprio,_lowprio}.
-function util.niceborder_focus(c)
-    local n = get_nice_value(c.pid)
-    if n == 0
-    then
-        c.border_color = beautiful.border_focus
-    elseif n < 0
-    then
-        c.border_color = beautiful.border_focus_highprio
-    else
-        c.border_color = beautiful.border_focus_lowprio
-    end
-end
-
--- To be used as a signal handler for "unfocus"
--- This requires beautiful.border_normal{,_highprio,_lowprio}.
-function util.niceborder_unfocus(c)
-    local n = get_nice_value(c.pid)
-    if n == 0
-    then
-        c.border_color = beautiful.border_normal
-    elseif n < 0
-    then
-        c.border_color = beautiful.border_normal_highprio
-    else
-        c.border_color = beautiful.border_normal_lowprio
-    end
-end
-
 -- Non-empty tag browsing
 -- direction in {-1, 1} <-> {previous, next} non-empty tag
 function util.tag_view_nonempty(direction, sc)
    local s = sc or awful.screen.focused()
-   local scr = screen[s]
 
    for i = 1, #s.tags do
        awful.tag.viewidx(direction, s)
@@ -163,7 +113,7 @@ function util.tag_view_nonempty(direction, sc)
 end
 
 -- {{{ Dynamic tagging
---
+
 -- Add a new tag
 function util.add_tag()
     awful.prompt.run {
@@ -210,22 +160,14 @@ function util.delete_tag()
     if not t then return end
     t:delete()
 end
+
 -- }}}
 
 -- On the fly useless gaps change
 function util.useless_gaps_resize(thatmuch)
+    beautiful.useless_gap = beautiful.useless_gap or 0
     beautiful.useless_gap = tonumber(beautiful.useless_gap) + thatmuch
-    awful.layout.arrange(mouse.screen)
-end
-
--- Check if an element exist on a table
-function util.element_in_table(element, tbl)
-    for _, i in pairs(tbl) do
-        if i == element then
-            return true
-        end
-    end
-    return false
+    awful.layout.arrange(awful.screen.focused())
 end
 
 return setmetatable(util, { __index = wrequire })