220 lines
7.7 KiB
Lua
220 lines
7.7 KiB
Lua
---------------------------------------------------------------------------
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2008-2009 Julien Danjou
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-- @release @AWESOME_VERSION@
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---------------------------------------------------------------------------
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-- Grab environment we need
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local capi = { screen = screen,
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image = image,
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client = client }
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local ipairs = ipairs
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local type = type
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local setmetatable = setmetatable
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local table = table
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local common = require("awful.widget.common")
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local beautiful = require("beautiful")
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local client = require("awful.client")
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local util = require("awful.util")
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local tag = require("awful.tag")
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local layout = require("awful.widget.layout")
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--- Tasklist widget module for awful
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module("awful.widget.tasklist")
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-- Public structures
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filter = {}
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local function tasklist_label(c, args)
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if not args then args = {} end
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local theme = beautiful.get()
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local fg_focus = args.fg_focus or theme.tasklist_fg_focus or theme.fg_focus
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local bg_focus = args.bg_focus or theme.tasklist_bg_focus or theme.bg_focus
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local fg_urgent = args.fg_urgent or theme.tasklist_fg_urgent or theme.fg_urgent
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local bg_urgent = args.bg_urgent or theme.tasklist_bg_urgent or theme.bg_urgent
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local fg_minimize = args.fg_minimize or theme.tasklist_fg_minimize or theme.fg_minimize
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local bg_minimize = args.bg_minimize or theme.tasklist_bg_minimize or theme.bg_minimize
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local font = args.font or theme.tasklist_font or theme.font or ""
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local bg = nil
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local text = "<span font_desc='"..font.."'>"
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local name = ""
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if client.floating.get(c) then name = name .. "✈" end
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if c.maximized_horizontal then name = name .. '⬌' end
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if c.maximized_vertical then name = name .. "⬍" end
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if c.minimized then
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name = name .. util.escape(c.icon_name) or util.escape(c.name) or util.escape("<untitled>")
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else
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name = name .. util.escape(c.name) or util.escape("<untitled>")
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end
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if capi.client.focus == c then
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bg = bg_focus
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if fg_focus then
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text = text .. "<span color='"..util.color_strip_alpha(fg_focus).."'>"..name.."</span>"
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else
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text = text .. name
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end
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elseif c.urgent and fg_urgent then
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bg = bg_urgent
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text = text .. "<span color='"..util.color_strip_alpha(fg_urgent).."'>"..name.."</span>"
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elseif c.minimized and fg_minimize and bg_minimize then
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bg = bg_minimize
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text = text .. "<span color='"..util.color_strip_alpha(fg_minimize).."'>"..name.."</span>"
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else
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text = text .. name
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end
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text = text .. "</span>"
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return text, bg, nil, c.icon
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end
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local function tasklist_update(s, w, buttons, filter, data, style, template)
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local clients = {}
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for k, c in ipairs(capi.client.get()) do
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if not (c.skip_taskbar or c.hidden
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or c.type == "splash" or c.type == "dock" or c.type == "desktop")
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and filter(c, s) then
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table.insert(clients, c)
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end
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end
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local function label(c) return tasklist_label(c, style) end
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common.list_update(w, buttons, label, data, template, clients)
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end
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--- Create a new tasklist widget.
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-- @param screen The screen to draw tasklist for.
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-- @param filter Filter function to define what clients will be listed.
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-- @param buttons A table with buttons binding to set.
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-- @param style The style overrides default theme.
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-- bg_focus The background color for focused client.
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-- fg_focus The foreground color for focused client.
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-- bg_urgent The background color for urgent clients.
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-- fg_urgent The foreground color for urgent clients.
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-- bg_minimize The background color for minimized clients.
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-- fg_minimize The foreground color for minimized clients.
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-- floating_icon The icon for flating clients.
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-- font The font.
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-- @param template The template to use for each item.
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-- The default template:<br/>
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-- <code>
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-- {<br/>
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-- {<br/>
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-- item = "icon"<br/>
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-- },<br/>
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-- {<br/>
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-- {<br/>
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-- item = "title",<br/>
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-- margin = { left = 2, right = 2 },<br/>
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-- bg_resize = true,<br/>
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-- bg_align = "right"<br/>
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-- },<br/>
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-- layout = layout.horizontal.flex<br/>
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-- },<br/>
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-- layout = layout.horizontal.leftright<br/>
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-- }<br/>
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-- </code>
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function new(screen, filter, buttons, style, template)
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local w = {
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layout = layout.horizontal.flex
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}
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template = template or {
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{
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item = "icon"
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},
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{
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{
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item = "title",
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margin = { left = 2, right = 2 },
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bg_resize = true,
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bg_align = "right"
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},
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layout = layout.horizontal.flex
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},
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layout = layout.horizontal.leftright
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}
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local data = setmetatable({}, { __mode = 'k' })
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local u = function () tasklist_update(screen, w, buttons, filter, data, style, template) end
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for s = 1, capi.screen.count() do
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tag.attached_add_signal(s, "property::filtered", u)
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capi.screen[s]:add_signal("tag::attach", u)
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capi.screen[s]:add_signal("tag::detach", u)
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capi.screen[s]:add_signal("tag::history::update", u)
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end
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capi.client.add_signal("new", function (c)
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c:add_signal("property::urgent", u)
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c:add_signal("property::floating", u)
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c:add_signal("property::maximized_horizontal", u)
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c:add_signal("property::maximized_vertical", u)
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c:add_signal("property::name", u)
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c:add_signal("property::icon_name", u)
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c:add_signal("property::skip_taskbar", u)
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c:add_signal("property::hidden", u)
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c:add_signal("tagged", u)
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c:add_signal("untagged", u)
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end)
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capi.client.add_signal("unmanage", u)
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capi.client.add_signal("list", u)
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capi.client.add_signal("focus", u)
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capi.client.add_signal("unfocus", u)
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u()
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return w
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end
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--- Filtering function to include all clients.
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-- @param c The client.
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-- @param screen The screen we are drawing on.
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-- @return true
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function filter.allscreen(c, screen)
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return true
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end
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--- Filtering function to include the clients from all tags on the screen.
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-- @param c The client.
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-- @param screen The screen we are drawing on.
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-- @return true if c is on screen, false otherwise
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function filter.alltags(c, screen)
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-- Only print client on the same screen as this widget
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if c.screen ~= screen then return false end
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return true
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end
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--- Filtering function to include only the clients from currently selected tags.
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-- @param c The client.
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-- @param screen The screen we are drawing on.
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-- @return true if c is in a selected tag on screen, false otherwise
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function filter.currenttags(c, screen)
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-- Only print client on the same screen as this widget
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if c.screen ~= screen then return false end
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-- Include sticky client too
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if c.sticky then return true end
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tags = capi.screen[screen]:tags()
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for k, t in ipairs(tags) do
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if t.selected then
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local ctags = c:tags()
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for _, v in ipairs(ctags) do
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if v == t then
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return true
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end
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end
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end
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end
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return false
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end
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--- Filtering function to include only the currently focused client.
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-- @param c The client.
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-- @param screen The screen we are drawing on.
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-- @return true if c is focused on screen, false otherwise
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function filter.focused(c, screen)
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-- Only print client on the same screen as this widget
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if c.screen == screen and capi.client.focus == c then
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return true
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end
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return false
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end
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setmetatable(_M, { __call = function(_, ...) return new(...) end })
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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