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- --- Shifty: Dynamic tagging library for awesome3-git
- -- @author koniu <gkusnierz@gmail.com>
- -- @author resixian (aka bioe007) <resixian@gmail.com>
- --
- -- http://awesome.naquadah.org/wiki/index.php?title=Shifty
- -- environment
- local type = type
- local ipairs = ipairs
- local table = table
- local string = string
- local beautiful = require("beautiful")
- local awful = require("awful")
- local pairs = pairs
- local io = io
- local tonumber = tonumber
- local dbg= dbg
- local capi = {
- client = client,
- tag = tag,
- image = image,
- screen = screen,
- button = button,
- mouse = mouse,
- root = root,
- timer = timer
- }
- module("shifty")
- -- variables
- config = {}
- config.tags = {}
- config.apps = {}
- config.defaults = {}
- config.float_bars = false
- config.guess_name = true
- config.guess_position = true
- config.remember_index = true
- config.sloppy = true
- config.default_name = "new"
- config.clientkeys = {}
- config.globalkeys = nil
- config.layouts = {}
- config.prompt_sources = {
- "config_tags",
- "config_apps",
- "existing",
- "history"
- }
- config.prompt_matchers = {
- "^",
- ":",
- ""
- }
- local matchp = ""
- local index_cache = {}
- for i = 1, capi.screen.count() do index_cache[i] = {} end
- --name2tags: matches string 'name' to tag objects
- -- @param name : tag name to find
- -- @param scr : screen to look for tags on
- -- @return table of tag objects or nil
- function name2tags(name, scr)
- local ret = {}
- local a, b = scr or 1, scr or capi.screen.count()
- for s = a, b do
- for i, t in ipairs(capi.screen[s]:tags()) do
- if name == t.name then
- table.insert(ret, t)
- end
- end
- end
- if #ret > 0 then return ret end
- end
- function name2tag(name, scr, idx)
- local ts = name2tags(name, scr)
- if ts then return ts[idx or 1] end
- end
- --tag2index: finds index of a tag object
- -- @param scr : screen number to look for tag on
- -- @param tag : the tag object to find
- -- @return the index [or zero] or end of the list
- function tag2index(scr, tag)
- for i, t in ipairs(capi.screen[scr]:tags()) do
- if t == tag then return i end
- end
- end
- --rename
- --@param tag: tag object to be renamed
- --@param prefix: if any prefix is to be added
- --@param no_selectall:
- function rename(tag, prefix, no_selectall)
- local theme = beautiful.get()
- local t = tag or awful.tag.selected(capi.mouse.screen)
- local scr = t.screen
- local bg = nil
- local fg = nil
- local text = prefix or t.name
- local before = t.name
- if t == awful.tag.selected(scr) then
- bg = theme.bg_focus or '#535d6c'
- fg = theme.fg_urgent or '#ffffff'
- else
- bg = theme.bg_normal or '#222222'
- fg = theme.fg_urgent or '#ffffff'
- end
- awful.prompt.run({
- fg_cursor = fg, bg_cursor = bg, ul_cursor = "single",
- text = text, selectall = not no_selectall},
- taglist[scr][tag2index(scr, t) * 2],
- function (name) if name:len() > 0 then t.name = name; end end,
- completion,
- awful.util.getdir("cache") .. "/history_tags",
- nil,
- function ()
- if t.name == before then
- if awful.tag.getproperty(t, "initial") then del(t) end
- else
- awful.tag.setproperty(t, "initial", true)
- set(t)
- end
- tagkeys(capi.screen[scr])
- t:emit_signal("property::name")
- end
- )
- end
- --send: moves client to tag[idx]
- -- maybe this isn't needed here in shifty?
- -- @param idx the tag number to send a client to
- function send(idx)
- local scr = capi.client.focus.screen or capi.mouse.screen
- local sel = awful.tag.selected(scr)
- local sel_idx = tag2index(scr, sel)
- local tags = capi.screen[scr]:tags()
- local target = awful.util.cycle(#tags, sel_idx + idx)
- awful.client.movetotag(tags[target], capi.client.focus)
- awful.tag.viewonly(tags[target])
- end
- function send_next() send(1) end
- function send_prev() send(-1) end
- --pos2idx: translate shifty position to tag index
- --@param pos: position (an integer)
- --@param scr: screen number
- function pos2idx(pos, scr)
- local v = 1
- if pos and scr then
- for i = #capi.screen[scr]:tags() , 1, -1 do
- local t = capi.screen[scr]:tags()[i]
- if awful.tag.getproperty(t, "position") and
- awful.tag.getproperty(t, "position") <= pos then
- v = i + 1
- break
- end
- end
- end
- return v
- end
- --select : helper function chooses the first non-nil argument
- --@param args - table of arguments
- function select(args)
- for i, a in pairs(args) do
- if a ~= nil then
- return a
- end
- end
- end
- --tagtoscr : move an entire tag to another screen
- --
- --@param scr : the screen to move tag to
- --@param t : the tag to be moved [awful.tag.selected()]
- --@return the tag
- function tagtoscr(scr, t)
- -- break if called with an invalid screen number
- if not scr or scr < 1 or scr > capi.screen.count() then return end
- -- tag to move
- local otag = t or awful.tag.selected()
- otag.screen = scr
- -- set screen and then reset tag to order properly
- if #otag:clients() > 0 then
- for _ , c in ipairs(otag:clients()) do
- if not c.sticky then
- c.screen = scr
- c:tags({otag})
- else
- awful.client.toggletag(otag, c)
- end
- end
- end
- return otag
- end
- --set : set a tags properties
- --@param t: the tag
- --@param args : a table of optional (?) tag properties
- --@return t - the tag object
- function set(t, args)
- if not t then return end
- if not args then args = {} end
- -- set the name
- t.name = args.name or t.name
- -- attempt to load preset on initial run
- local preset = (awful.tag.getproperty(t, "initial") and
- config.tags[t.name]) or {}
- -- pick screen and get its tag table
- local scr = args.screen or
- (not t.screen and preset.screen) or
- t.screen or
- capi.mouse.screen
- local clientstomove = nil
- if scr > capi.screen.count() then scr = capi.screen.count() end
- if t.screen and scr ~= t.screen then
- tagtoscr(scr, t)
- t.screen = nil
- end
- local tags = capi.screen[scr]:tags()
- -- try to guess position from the name
- local guessed_position = nil
- if not (args.position or preset.position) and config.guess_position then
- local num = t.name:find('^[1-9]')
- if num then guessed_position = tonumber(t.name:sub(1, 1)) end
- end
- -- allow preset.layout to be a table to provide a different layout per
- -- screen for a given tag
- local preset_layout = preset.layout
- if preset_layout and preset_layout[scr] then
- preset_layout = preset.layout[scr]
- end
- -- select from args, preset, getproperty,
- -- config.defaults.configs or defaults
- local props = {
- layout = select{args.layout, preset_layout,
- awful.tag.getproperty(t, "layout"),
- config.defaults.layout, awful.layout.suit.tile},
- mwfact = select{args.mwfact, preset.mwfact,
- awful.tag.getproperty(t, "mwfact"),
- config.defaults.mwfact, 0.55},
- nmaster = select{args.nmaster, preset.nmaster,
- awful.tag.getproperty(t, "nmaster"),
- config.defaults.nmaster, 1},
- ncol = select{args.ncol, preset.ncol,
- awful.tag.getproperty(t, "ncol"),
- config.defaults.ncol, 1},
- matched = select{args.matched, awful.tag.getproperty(t, "matched")},
- exclusive = select{args.exclusive, preset.exclusive,
- awful.tag.getproperty(t, "exclusive"),
- config.defaults.exclusive},
- persist = select{args.persist, preset.persist,
- awful.tag.getproperty(t, "persist"),
- config.defaults.persist},
- nopopup = select{args.nopopup, preset.nopopup,
- awful.tag.getproperty(t, "nopopup"),
- config.defaults.nopopup},
- leave_kills = select{args.leave_kills, preset.leave_kills,
- awful.tag.getproperty(t, "leave_kills"),
- config.defaults.leave_kills},
- max_clients = select{args.max_clients, preset.max_clients,
- awful.tag.getproperty(t, "max_clients"),
- config.defaults.max_clients},
- position = select{args.position, preset.position, guessed_position,
- awful.tag.getproperty(t, "position")},
- icon = select{args.icon and capi.image(args.icon),
- preset.icon and capi.image(preset.icon),
- awful.tag.getproperty(t, "icon"),
- config.defaults.icon and capi.image(config.defaults.icon)},
- icon_only = select{args.icon_only, preset.icon_only,
- awful.tag.getproperty(t, "icon_only"),
- config.defaults.icon_only},
- sweep_delay = select{args.sweep_delay, preset.sweep_delay,
- awful.tag.getproperty(t, "sweep_delay"),
- config.defaults.sweep_delay},
- overload_keys = select{args.overload_keys, preset.overload_keys,
- awful.tag.getproperty(t, "overload_keys"),
- config.defaults.overload_keys},
- }
- -- get layout by name if given as string
- if type(props.layout) == "string" then
- props.layout = getlayout(props.layout)
- end
- -- set keys
- if args.keys or preset.keys then
- local keys = awful.util.table.join(config.globalkeys,
- args.keys or preset.keys)
- if props.overload_keys then
- props.keys = keys
- else
- props.keys = squash_keys(keys)
- end
- end
- -- calculate desired taglist index
- local index = args.index or preset.index or config.defaults.index
- local rel_index = args.rel_index or
- preset.rel_index or
- config.defaults.rel_index
- local sel = awful.tag.selected(scr)
- --TODO: what happens with rel_idx if no tags selected
- local sel_idx = (sel and tag2index(scr, sel)) or 0
- local t_idx = tag2index(scr, t)
- local limit = (not t_idx and #tags + 1) or #tags
- local idx = nil
- if rel_index then
- idx = awful.util.cycle(limit, (t_idx or sel_idx) + rel_index)
- elseif index then
- idx = awful.util.cycle(limit, index)
- elseif props.position then
- idx = pos2idx(props.position, scr)
- if t_idx and t_idx < idx then idx = idx - 1 end
- elseif config.remember_index and index_cache[scr][t.name] then
- idx = index_cache[scr][t.name]
- elseif not t_idx then
- idx = #tags + 1
- end
- -- if we have a new index, remove from old index and insert
- if idx then
- if t_idx then table.remove(tags, t_idx) end
- table.insert(tags, idx, t)
- index_cache[scr][t.name] = idx
- end
- -- set tag properties and push the new tag table
- capi.screen[scr]:tags(tags)
- for prop, val in pairs(props) do awful.tag.setproperty(t, prop, val) end
- -- execute run/spawn
- if awful.tag.getproperty(t, "initial") then
- local spawn = args.spawn or preset.spawn or config.defaults.spawn
- local run = args.run or preset.run or config.defaults.run
- if spawn and args.matched ~= true then
- awful.util.spawn_with_shell(spawn, scr)
- end
- if run then run(t) end
- awful.tag.setproperty(t, "initial", nil)
- end
- return t
- end
- function shift_next() set(awful.tag.selected(), {rel_index = 1}) end
- function shift_prev() set(awful.tag.selected(), {rel_index = -1}) end
- --add : adds a tag
- --@param args: table of optional arguments
- function add(args)
- if not args then args = {} end
- local name = args.name or " "
- -- initialize a new tag object and its data structure
- local t = capi.tag{name = name}
- -- tell set() that this is the first time
- awful.tag.setproperty(t, "initial", true)
- -- apply tag settings
- set(t, args)
- -- unless forbidden or if first tag on the screen, show the tag
- if not (awful.tag.getproperty(t, "nopopup") or args.noswitch) or
- #capi.screen[t.screen]:tags() == 1 then
- awful.tag.viewonly(t)
- end
- -- get the name or rename
- if args.name then
- t.name = args.name
- else
- -- FIXME: hack to delay rename for un-named tags for
- -- tackling taglist refresh which disabled prompt
- -- from being rendered until input
- awful.tag.setproperty(t, "initial", true)
- local f
- if args.position then
- f = function() rename(t, args.rename, true); tmr:stop() end
- else
- f = function() rename(t); tmr:stop() end
- end
- tmr = capi.timer({timeout = 0.01})
- tmr:add_signal("timeout", f)
- tmr:start()
- end
- return t
- end
- --del : delete a tag
- --@param tag : the tag to be deleted [current tag]
- function del(tag)
- local scr = (tag and tag.screen) or capi.mouse.screen or 1
- local tags = capi.screen[scr]:tags()
- local sel = awful.tag.selected(scr)
- local t = tag or sel
- local idx = tag2index(scr, t)
- -- return if tag not empty (except sticky)
- local clients = t:clients()
- local sticky = 0
- for i, c in ipairs(clients) do
- if c.sticky then sticky = sticky + 1 end
- end
- if #clients > sticky then return end
- -- store index for later
- index_cache[scr][t.name] = idx
- -- remove tag
- t.screen = nil
- -- if the current tag is being deleted, restore from history
- if t == sel and #tags > 1 then
- awful.tag.history.restore(scr, 1)
- -- this is supposed to cycle if history is invalid?
- -- e.g. if many tags are deleted in a row
- if not awful.tag.selected(scr) then
- awful.tag.viewonly(tags[awful.util.cycle(#tags, idx - 1)])
- end
- end
- -- FIXME: what is this for??
- if capi.client.focus then capi.client.focus:raise() end
- end
- --is_client_tagged : replicate behavior in tag.c - returns true if the
- --given client is tagged with the given tag
- function is_client_tagged(tag, client)
- for i, c in ipairs(tag:clients()) do
- if c == client then
- return true
- end
- end
- return false
- end
- --match : handles app->tag matching, a replacement for the manage hook in
- -- rc.lua
- --@param c : client to be matched
- function match(c, startup)
- local nopopup, intrusive, nofocus, run, slave
- local wfact, struts, geom, float
- local target_tag_names, target_tags = {}, {}
- local typ = c.type
- local cls = c.class
- local inst = c.instance
- local role = c.role
- local name = c.name
- local keys = config.clientkeys or c:keys() or {}
- local target_screen = capi.mouse.screen
- c.border_color = beautiful.border_normal
- c.border_width = beautiful.border_width
- -- try matching client to config.apps
- for i, a in ipairs(config.apps) do
- if a.match then
- local matched = false
- -- match only class
- if not matched and cls and a.match.class then
- for k, w in ipairs(a.match.class) do
- matched = cls:find(w)
- if matched then
- break
- end
- end
- end
- -- match only instance
- if not matched and inst and a.match.instance then
- for k, w in ipairs(a.match.instance) do
- matched = inst:find(w)
- if matched then
- break
- end
- end
- end
- -- match only name
- if not matched and name and a.match.name then
- for k, w in ipairs(a.match.name) do
- matched = name:find(w)
- if matched then
- break
- end
- end
- end
- -- match only role
- if not matched and role and a.match.role then
- for k, w in ipairs(a.match.role) do
- matched = role:find(w)
- if matched then
- break
- end
- end
- end
- -- match only type
- if not matched and typ and a.match.type then
- for k, w in ipairs(a.match.type) do
- matched = typ:find(w)
- if matched then
- break
- end
- end
- end
- -- check everything else against all attributes
- if not matched then
- for k, w in ipairs(a.match) do
- matched = (cls and cls:find(w)) or
- (inst and inst:find(w)) or
- (name and name:find(w)) or
- (role and role:find(w)) or
- (typ and typ:find(w))
- if matched then
- break
- end
- end
- end
- -- set attributes
- if matched then
- if a.screen then target_screen = a.screen end
- if a.tag then
- if type(a.tag) == "string" then
- target_tag_names = {a.tag}
- else
- target_tag_names = a.tag
- end
- end
- if a.startup and startup then
- a = awful.util.table.join(a, a.startup)
- end
- if a.geometry ~=nil then
- geom = {x = a.geometry[1],
- y = a.geometry[2],
- width = a.geometry[3],
- height = a.geometry[4]}
- end
- if a.float ~= nil then float = a.float end
- if a.slave ~=nil then slave = a.slave end
- if a.border_width ~= nil then
- c.border_width = a.border_width
- end
- if a.nopopup ~=nil then nopopup = a.nopopup end
- if a.intrusive ~=nil then
- intrusive = a.intrusive
- end
- if a.fullscreen ~=nil then
- c.fullscreen = a.fullscreen
- end
- if a.honorsizehints ~=nil then
- c.size_hints_honor = a.honorsizehints
- end
- if a.kill ~=nil then c:kill(); return end
- if a.ontop ~= nil then c.ontop = a.ontop end
- if a.above ~= nil then c.above = a.above end
- if a.below ~= nil then c.below = a.below end
- if a.buttons ~= nil then
- c:buttons(a.buttons)
- end
- if a.nofocus ~= nil then nofocus = a.nofocus end
- if a.keys ~= nil then
- keys = awful.util.table.join(keys, a.keys)
- end
- if a.hidden ~= nil then c.hidden = a.hidden end
- if a.minimized ~= nil then
- c.minimized = a.minimized
- end
- if a.dockable ~= nil then
- awful.client.dockable.set(c, a.dockable)
- end
- if a.urgent ~= nil then
- c.urgent = a.urgent
- end
- if a.opacity ~= nil then
- c.opacity = a.opacity
- end
- if a.run ~= nil then run = a.run end
- if a.sticky ~= nil then c.sticky = a.sticky end
- if a.wfact ~= nil then wfact = a.wfact end
- if a.struts then struts = a.struts end
- if a.skip_taskbar ~= nil then
- c.skip_taskbar = a.skip_taskbar
- end
- if a.props then
- for kk, vv in pairs(a.props) do
- awful.client.property.set(c, kk, vv)
- end
- end
- end
- end
- end
- -- set key bindings
- c:keys(keys)
- -- Add titlebars to all clients when the float, remove when they are
- -- tiled.
- if config.float_bars then
- c:add_signal("property::floating", function(c)
- if awful.client.floating.get(c) then
- awful.titlebar.add(c, {modkey=modkey})
- else
- awful.titlebar.remove(c)
- end
- awful.placement.no_offscreen(c)
- end)
- end
- -- set properties of floating clients
- if float ~= nil then
- awful.client.floating.set(c, float)
- awful.placement.no_offscreen(c)
- end
- local sel = awful.tag.selectedlist(target_screen)
- if not target_tag_names or #target_tag_names == 0 then
- -- if not matched to some names try putting
- -- client in c.transient_for or current tags
- if c.transient_for then
- target_tags = c.transient_for:tags()
- elseif #sel > 0 then
- for i, t in ipairs(sel) do
- local mc = awful.tag.getproperty(t, "max_clients")
- if intrusive or
- not (awful.tag.getproperty(t, "exclusive") or
- (mc and mc >= #t:clients())) then
- table.insert(target_tags, t)
- end
- end
- end
- end
- if (not target_tag_names or #target_tag_names == 0) and
- (not target_tags or #target_tags == 0) then
- -- if we still don't know any target names/tags guess
- -- name from class or use default
- if config.guess_name and cls then
- target_tag_names = {cls:lower()}
- else
- target_tag_names = {config.default_name}
- end
- end
- if #target_tag_names > 0 and #target_tags == 0 then
- -- translate target names to tag objects, creating
- -- missing ones
- for i, tn in ipairs(target_tag_names) do
- local res = {}
- for j, t in ipairs(name2tags(tn, target_screen) or
- name2tags(tn) or {}) do
- local mc = awful.tag.getproperty(t, "max_clients")
- local tagged = is_client_tagged(t, c)
- if intrusive or
- not (mc and (((#t:clients() >= mc) and not
- tagged) or
- (#t:clients() > mc))) or
- intrusive then
- table.insert(res, t)
- end
- end
- if #res == 0 then
- table.insert(target_tags,
- add({name = tn,
- noswitch = true,
- matched = true}))
- else
- target_tags = awful.util.table.join(target_tags, res)
- end
- end
- end
- -- set client's screen/tag if needed
- target_screen = target_tags[1].screen or target_screen
- if c.screen ~= target_screen then c.screen = target_screen end
- if slave then awful.client.setslave(c) end
- c:tags(target_tags)
- if wfact then awful.client.setwfact(wfact, c) end
- if geom then c:geometry(geom) end
- if struts then c:struts(struts) end
- local showtags = {}
- local u = nil
- if #target_tags > 0 and not startup then
- -- switch or highlight
- for i, t in ipairs(target_tags) do
- if not (nopopup or awful.tag.getproperty(t, "nopopup")) then
- table.insert(showtags, t)
- elseif not startup then
- c.urgent = true
- end
- end
- if #showtags > 0 then
- local ident = false
- -- iterate selected tags and and see if any targets
- -- currently selected
- for kk, vv in pairs(showtags) do
- for _, tag in pairs(sel) do
- if tag == vv then
- ident = true
- end
- end
- end
- if not ident then
- awful.tag.viewmore(showtags, c.screen)
- end
- end
- end
- if not (nofocus or c.hidden or c.minimized) then
- --focus and raise accordingly or lower if supressed
- if (target and target ~= sel) and
- (awful.tag.getproperty(target, "nopopup") or nopopup) then
- awful.client.focus.history.add(c)
- else
- capi.client.focus = c
- end
- c:raise()
- else
- c:lower()
- end
- if config.sloppy then
- -- Enable sloppy focus
- c:add_signal("mouse::enter", function(c)
- if awful.client.focus.filter(c) and
- awful.layout.get(c.screen) ~= awful.layout.suit.magnifier then
- capi.client.focus = c
- end
- end)
- end
- -- execute run function if specified
- if run then run(c, target) end
- end
- --sweep : hook function that marks tags as used, visited,
- --deserted also handles deleting used and empty tags
- function sweep()
- for s = 1, capi.screen.count() do
- for i, t in ipairs(capi.screen[s]:tags()) do
- local clients = t:clients()
- local sticky = 0
- for i, c in ipairs(clients) do
- if c.sticky then sticky = sticky + 1 end
- end
- if #clients == sticky then
- if awful.tag.getproperty(t, "used") and
- not awful.tag.getproperty(t, "persist") then
- if awful.tag.getproperty(t, "deserted") or
- not awful.tag.getproperty(t, "leave_kills") then
- local delay = awful.tag.getproperty(t, "sweep_delay")
- if delay then
- local f = function()
- del(t); tmr:stop()
- end
- tmr = capi.timer({timeout = delay})
- tmr:add_signal("timeout", f)
- tmr:start()
- else
- del(t)
- end
- else
- if awful.tag.getproperty(t, "visited") and
- not t.selected then
- awful.tag.setproperty(t, "deserted", true)
- end
- end
- end
- else
- awful.tag.setproperty(t, "used", true)
- end
- if t.selected then
- awful.tag.setproperty(t, "visited", true)
- end
- end
- end
- end
- --getpos : returns a tag to match position
- -- @param pos : the index to find
- -- @return v : the tag (found or created) at position == 'pos'
- function getpos(pos, scr_arg)
- local v = nil
- local existing = {}
- local selected = nil
- local scr = scr_arg or capi.mouse.screen or 1
- -- search for existing tag assigned to pos
- for i = 1, capi.screen.count() do
- for j, t in ipairs(capi.screen[i]:tags()) do
- if awful.tag.getproperty(t, "position") == pos then
- table.insert(existing, t)
- if t.selected and i == scr then
- selected = #existing
- end
- end
- end
- end
- if #existing > 0 then
- -- if making another of an existing tag, return the end of
- -- the list the optional 2nd argument decides if we return
- -- only
- if scr_arg ~= nil then
- for _, tag in pairs(existing) do
- if tag.screen == scr_arg then return tag end
- end
- -- no tag with a position and scr_arg match found, clear
- -- v and allow the subseqeunt conditions to be evaluated
- v = nil
- else
- v = (selected and
- existing[awful.util.cycle(#existing, selected + 1)]) or
- existing[1]
- end
- end
- if not v then
- -- search for preconf with 'pos' and create it
- for i, j in pairs(config.tags) do
- if j.position == pos then
- v = add({name = i,
- position = pos,
- noswitch = not switch})
- end
- end
- end
- if not v then
- -- not existing, not preconfigured
- v = add({position = pos,
- rename = pos .. ':',
- no_selectall = true,
- noswitch = not switch})
- end
- return v
- end
- --init : search shifty.config.tags for initial set of
- --tags to open
- function init()
- local numscr = capi.screen.count()
- for i, j in pairs(config.tags) do
- local scr = j.screen or {1}
- if type(scr) ~= 'table' then
- scr = {scr}
- end
- for _, s in pairs(scr) do
- if j.init and (s <= numscr) then
- add({name = i,
- persist = true,
- screen = s,
- layout = j.layout,
- mwfact = j.mwfact})
- end
- end
- end
- end
- --count : utility function returns the index of a table element
- --FIXME: this is currently used only in remove_dup, so is it really
- --necessary?
- function count(table, element)
- local v = 0
- for i, e in pairs(table) do
- if element == e then v = v + 1 end
- end
- return v
- end
- --remove_dup : used by shifty.completion when more than one
- --tag at a position exists
- function remove_dup(table)
- local v = {}
- for i, entry in ipairs(table) do
- if count(v, entry) == 0 then v[#v+ 1] = entry end
- end
- return v
- end
- --completion : prompt completion
- --
- function completion(cmd, cur_pos, ncomp, sources, matchers)
- -- get sources and matches tables
- sources = sources or config.prompt_sources
- matchers = matchers or config.prompt_matchers
- local get_source = {
- -- gather names from config.tags
- config_tags = function()
- local ret = {}
- for n, p in pairs(config.tags) do
- table.insert(ret, n)
- end
- return ret
- end,
- -- gather names from config.apps
- config_apps = function()
- local ret = {}
- for i, p in pairs(config.apps) do
- if p.tag then
- if type(p.tag) == "string" then
- table.insert(ret, p.tag)
- else
- ret = awful.util.table.join(ret, p.tag)
- end
- end
- end
- return ret
- end,
- -- gather names from existing tags, starting with the
- -- current screen
- existing = function()
- local ret = {}
- for i = 1, capi.screen.count() do
- local s = awful.util.cycle(capi.screen.count(),
- capi.mouse.screen + i - 1)
- local tags = capi.screen[s]:tags()
- for j, t in pairs(tags) do
- table.insert(ret, t.name)
- end
- end
- return ret
- end,
- -- gather names from history
- history = function()
- local ret = {}
- local f = io.open(awful.util.getdir("cache") ..
- "/history_tags")
- for name in f:lines() do table.insert(ret, name) end
- f:close()
- return ret
- end,
- }
- -- if empty, match all
- if #cmd == 0 or cmd == " " then cmd = "" end
- -- match all up to the cursor if moved or no matchphrase
- if matchp == "" or
- cmd:sub(cur_pos, cur_pos+#matchp) ~= matchp then
- matchp = cmd:sub(1, cur_pos)
- end
- -- find matching commands
- local matches = {}
- for i, src in ipairs(sources) do
- local source = get_source[src]()
- for j, matcher in ipairs(matchers) do
- for k, name in ipairs(source) do
- if name:find(matcher .. matchp) then
- table.insert(matches, name)
- end
- end
- end
- end
- -- no matches
- if #matches == 0 then return cmd, cur_pos end
- -- remove duplicates
- matches = remove_dup(matches)
- -- cycle
- while ncomp > #matches do ncomp = ncomp - #matches end
- -- put cursor at the end of the matched phrase
- if #matches == 1 then
- cur_pos = #matches[ncomp] + 1
- else
- cur_pos = matches[ncomp]:find(matchp) + #matchp
- end
- -- return match and position
- return matches[ncomp], cur_pos
- end
- -- tagkeys : hook function that sets keybindings per tag
- function tagkeys(s)
- local sel = awful.tag.selected(s.index)
- local keys = awful.tag.getproperty(sel, "keys") or
- config.globalkeys
- if keys and sel.selected then capi.root.keys(keys) end
- end
- -- squash_keys: helper function which removes duplicate
- -- keybindings by picking only the last one to be listed in keys
- -- table arg
- function squash_keys(keys)
- local squashed = {}
- local ret = {}
- for i, k in ipairs(keys) do
- squashed[table.concat(k.modifiers) .. k.key] = k
- end
- for i, k in pairs(squashed) do
- table.insert(ret, k)
- end
- return ret
- end
- -- getlayout: returns a layout by name
- function getlayout(name)
- for _, layout in ipairs(config.layouts) do
- if awful.layout.getname(layout) == name then
- return layout
- end
- end
- end
- -- signals
- capi.client.add_signal("manage", match)
- capi.client.add_signal("unmanage", sweep)
- capi.client.remove_signal("manage", awful.tag.withcurrent)
- for s = 1, capi.screen.count() do
- awful.tag.attached_add_signal(s, "property::selected", sweep)
- awful.tag.attached_add_signal(s, "tagged", sweep)
- capi.screen[s]:add_signal("tag::history::update", tagkeys)
- end
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