-
--[[
-
- Lain
+
+ Lain
Layouts, widgets and utilities for Awesome WM
-
- Utilities section
-
- Licensed under GNU General Public License v2
- * (c) 2013, Luke Bonham
- * (c) 2010-2012, Peter Hofmann
-
+
+ Utilities section
+
+ Licensed under GNU General Public License v2
+ * (c) 2013, Luca CPZ
+ * (c) 2010-2012, Peter Hofmann
+
--]]
local awful = require("awful")
-local beautiful = require("beautiful")
-local math = { sqrt = math.sqrt }
-local mouse = mouse
+local sqrt = math.sqrt
local pairs = pairs
-local string = string
local client = client
-local screen = screen
local tonumber = tonumber
-
local wrequire = require("lain.helpers").wrequire
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.tag.selectedlist(mouse.screen)
+ 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
end
-- No clients? Then quit.
- if #cls_t <= 0
- then
- return nil
- end
+ if #cls_t <= 0 then return nil end
-- menu may contain some predefined values, otherwise start with a
-- fresh menu.
- if not menu
- then
- menu = {}
- end
+ if not menu then menu = {} end
-- 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.
-function util.magnify_client(c)
- awful.client.floating.set(c, true)
-
- local mg = screen[mouse.screen].geometry
- local tag = awful.tag.selected(mouse.screen)
- local mwfact = awful.tag.getmwfact(tag)
- local g = {}
- g.width = math.sqrt(mwfact) * mg.width
- g.height = math.sqrt(mwfact) * mg.height
- g.x = mg.x + (mg.width - g.width) / 2
- g.y = mg.y + (mg.height - g.height) / 2
- c:geometry(g)
-end
-
--- Read the nice value of pid from /proc.
-local function get_nice_value(pid)
- local n = first_line('/proc/' .. pid .. '/stat')
- if n == nil
- then
- -- This should not happen. But I don't want to crash, either.
- 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])
+ return m
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
+-- Magnify a client: set it to "float" and resize it.
+function util.magnify_client(c, width_f, height_f)
+ if c and not c.floating then
+ util.magnified_client = c
+ util.mc(c, width_f, height_f)
else
- c.border_color = beautiful.border_focus_lowprio
+ util.magnified_client = nil
+ c.floating = false
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
+-- https://github.com/lcpz/lain/issues/195
+function util.mc(c, width_f, height_f)
+ c = c or util.magnified_client
+ if not c then return end
+
+ c.floating = true
+ local s = awful.screen.focused()
+ local mg = s.workarea
+ local g = {}
+ local mwfact = width_f or s.selected_tag.master_width_factor or 0.5
+ g.width = sqrt(mwfact) * mg.width
+ g.height = sqrt(height_f or mwfact) * mg.height
+ g.x = mg.x + (mg.width - g.width) / 2
+ g.y = mg.y + (mg.height - g.height) / 2
+
+ if c then c:geometry(g) end -- if c is still a valid object
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 mouse.screen or 1
- local scr = screen[s]
+ local s = sc or awful.screen.focused()
- for i = 1, #tags[s] do
- awful.tag.viewidx(direction,s)
- if #awful.client.visible(s) > 0 then
+ for i = 1, #s.tags do
+ awful.tag.viewidx(direction, s)
+ if #s.clients > 0 then
return
end
end
end
--- Dynamically rename the current tag you have focused.
-function util.prompt_rename_tag(mypromptbox)
- local tag = awful.tag.selected(mouse.screen)
- awful.prompt.run({prompt="Rename tag: "}, mypromptbox[mouse.screen].widget,
- function(text)
- if text:len() > 0 then
- tag.name = text
- tag:emit_signal("property::name")
+-- {{{ Dynamic tagging
+
+-- Add a new tag
+function util.add_tag(layout)
+ awful.prompt.run {
+ prompt = "New tag name: ",
+ textbox = awful.screen.focused().mypromptbox.widget,
+ exe_callback = function(name)
+ if not name or #name == 0 then return end
+ awful.tag.add(name, { screen = awful.screen.focused(), layout = layout or awful.layout.suit.tile }):view_only()
end
- end)
+ }
+end
+
+-- Rename current tag
+function util.rename_tag()
+ awful.prompt.run {
+ prompt = "Rename tag: ",
+ textbox = awful.screen.focused().mypromptbox.widget,
+ exe_callback = function(new_name)
+ if not new_name or #new_name == 0 then return end
+ local t = awful.screen.focused().selected_tag
+ if t then
+ t.name = new_name
+ end
+ end
+ }
+end
+
+-- Move current tag
+-- pos in {-1, 1} <-> {previous, next} tag position
+function util.move_tag(pos)
+ local tag = awful.screen.focused().selected_tag
+ if tonumber(pos) <= -1 then
+ awful.tag.move(tag.index - 1, tag)
+ else
+ awful.tag.move(tag.index + 1, tag)
+ end
+end
+
+-- Delete current tag
+-- Any rule set on the tag shall be broken
+function util.delete_tag()
+ local t = awful.screen.focused().selected_tag
+ if not t then return end
+ t:delete()
+end
+
+-- }}}
+
+-- On the fly useless gaps change
+function util.useless_gaps_resize(thatmuch, s, t)
+ local scr = s or awful.screen.focused()
+ local tag = t or scr.selected_tag
+ tag.gap = tag.gap + tonumber(thatmuch)
+ awful.layout.arrange(scr)
end
return setmetatable(util, { __index = wrequire })
projects / etc / awesome.git / blobdiff