mirror of
https://github.com/awesomeWM/awesome
synced 2024-11-17 07:47:41 +01:00
311 lines
8.3 KiB
Lua
311 lines
8.3 KiB
Lua
---------------------------------------------------------------------------
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-- @author Lucas de Vries <lucasdevries@gmail.com>
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2008 Julien Danjou, Lucas de Vries
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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 = { client = client }
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local table = table
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local pairs = pairs
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local awful = require('awful')
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local otable = otable
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--- tabulous: fabulous tabs for awesome
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module("tabulous")
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local tabbed_tags = otable() -- all tab tables, indexed by tab
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local tabbed = {} -- the current tag tab table
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local active_tag
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-- Hook creation
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awful.hooks.user.create('tabbed')
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awful.hooks.user.create('untabbed')
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awful.hooks.user.create('tabdisplay')
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awful.hooks.user.create('tabhide')
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---------------
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-- Functions --
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---------------
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--- Find a key in a table.
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-- @param table The table to look into
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-- @param value The value to find.
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-- @return The key or nil if not found.
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function findkey(table, value)
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for k, v in pairs(table) do
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if v == value then
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return k
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end
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end
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end
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--- Swaand select which client in tab is displayed.
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-- @param tabindex The tab index.
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-- @param cl The client to show.
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function display(tabindex, cl)
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local p = tabbed[tabindex][1]
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if cl and p ~= cl then
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tabbed[tabindex][1] = cl
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cl.hide = false
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cl:swap(p)
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p.hide = true
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capi.client.focus = cl
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awful.hooks.user.call('tabhide', p)
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awful.hooks.user.call('tabdisplay', cl)
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end
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end
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--- Check if the client is in the given tabindex.
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-- @param tabindex The tab index.
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-- @param cl The client
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-- @return The key.
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function tabindex_check(tabindex, cl)
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local c = cl or capi.client.focus
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return findkey(tabbed[tabindex][2], c)
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end
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--- Find the tab index or return nil if not tabbed.
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-- @param cl The client to search.
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-- @return The tab index.
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function tabindex_get(cl)
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local c = cl or capi.client.focus
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for tabindex, tabdisplay in pairs(tabbed) do
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-- Loop through all tab displays
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local me = tabindex_check(tabindex, c)
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if me ~= nil then
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return tabindex
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end
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end
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return nil
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end
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--- Get all clients on a tabbed display.
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-- @param tabindex The tab index.
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-- @return All tabbed clients.
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function clients_get(tabindex)
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if tabbed[tabindex] == nil then return nil end
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return tabbed[tabindex][2]
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end
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--- Get the displayed client on a tabbed display.
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-- @param tabindex The tab index.
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-- @return The displayed client.
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function displayed_get(tabindex)
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if tabbed[tabindex] == nil then return nil end
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return tabbed[tabindex][1]
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end
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--- Get a client by tab number.
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-- @param tabindex The tab index.
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-- @param pos The position in the tab.
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-- @return The client at the given position.
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function position_get(tabindex, pos)
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if tabbed[tabindex] == nil then return nil end
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return tabbed[tabindex][2][pos]
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end
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--- Get the next client in a tab display.
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-- @param tabindex The tab index.
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-- @param cl The current client.
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-- @return The next client.
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function next(tabindex, cl)
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local c = cl or tabbed[tabindex][1]
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local i = findkey(tabbed[tabindex][2], c)
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if i == nil then
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return nil
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end
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if tabbed[tabindex][2][i+1] == nil then
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return tabbed[tabindex][2][1]
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end
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return tabbed[tabindex][2][i + 1]
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end
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--- Get the previous client in a tabdisplay
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-- @param tabindex The tab index.
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-- @param cl The current client.
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-- @return The previous client.
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function prev(tabindex, cl)
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local c = cl or tabbed[tabindex][1]
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local i = findkey(tabbed[tabindex][2], c)
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if i == nil then
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return nil
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end
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if tabbed[tabindex][2][i-1] == nil then
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return tabbed[tabindex][2][table.maxn(tabbed[tabindex][2])]
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end
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return tabbed[tabindex][2][i - 1]
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end
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--- Remove a client from a tabbed display.
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-- @param cl The client to remove.
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-- @return True if the client has been untabbed.
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function untab(cl)
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local c = cl or capi.client.focus
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local tabindex = tabindex_get(c)
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if tabindex == nil then return false end
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local cindex = findkey(tabbed[tabindex][2], c)
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if tabbed[tabindex][1] == c then
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display(tabindex, next(tabindex, c))
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end
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table.remove(tabbed[tabindex][2], cindex)
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if table.maxn(tabbed[tabindex][2]) == 0 then
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-- Table is empty now, remove the tabbed display
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table.remove(tabbed, tabindex)
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end
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c.hide = false
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awful.hooks.user.call('untabbed', c)
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end
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--- Untab all clients in a tabbed display.
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-- @param tabindex The tab index.
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function untab_all(tabindex)
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for i,c in pairs(tabbed[tabindex][2]) do
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c.hide = false
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awful.hooks.user.call('untabbed', c)
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end
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if tabbed[tabindex] ~= nil then
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table.remove(tabbed, tabindex)
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end
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end
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--- Create a new tabbed display with client as the master.
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-- @param cl The client to set into the tab, focused one otherwise.
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-- @return The created tab index.
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function tab_create(cl)
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local c = cl or capi.client.focus
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if not c then return end
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table.insert(tabbed, {
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c, -- Window currently being displayed
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{ c } -- List of windows in tabbed display
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})
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awful.hooks.user.call('tabbed', c)
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return tabindex_get(c)
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end
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--- Add a client to a tabbed display.
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-- @param tabindex The tab index.
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-- @param cl The client to add, or the focused one otherwise.
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function tab(tabindex, cl)
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local c = cl or capi.client.focus
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if tabbed[tabindex] ~= nil then
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local x = tabindex_get(c)
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if x == nil then
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-- Add untabbed client to tabindex
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table.insert(tabbed[tabindex][2], c)
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display(tabindex, c)
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awful.hooks.user.call('tabbed', c)
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elseif x ~= tabindex then
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-- Merge two tabbed views
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local cc = tabbed[tabindex][1]
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local clients = clients_get(x)
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untab_all(x)
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tabindex = tabindex_get(cc)
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for i,b in pairs(clients) do
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tab(tabindex, b)
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end
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end
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end
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end
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--- Start autotabbing, this automatically tabs new clients when the current
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-- client is tabbed.
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function autotab_start()
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awful.hooks.manage.register(function (c)
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local sel = capi.client.focus
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local index = tabindex_get(sel)
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if index ~= nil then
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-- Currently focussed client is tabbed,
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-- add the new window to the tabbed display
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tab(index, c)
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end
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end)
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end
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--- Update the tabbing when current tags changes, by unactivating
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-- all tabs that are not in the current tag (and activating the good one)
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function update_tabbing()
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-- do nothing if nothing changed
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if active_tag == awful.tag.selected() then return end
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-- needed for initialisation
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active_tag = active_tag or awful.tag.selected()
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-- save the tabbed list for the old active tag
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tabbed_tags[active_tag] = tabbed
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-- update the active tag and switch to the new tabbed list
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active_tag = awful.tag.selected()
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tabbed = tabbed_tags[active_tag] or {}
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-- update show/hide on the clients
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for tag,tabs in pairs(tabbed_tags) do
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if tag == active_tag then
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-- hide all clients that are not tab masters
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for i,tab in pairs(tabs) do
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for i,c in pairs(tab[2]) do
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c.hide = true
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end
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tab[1].hide = false
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end
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else
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-- unhide all clients
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for i,tab in pairs(tabs) do
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for i,c in pairs(tab[2]) do
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c.hide = false
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end
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end
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end
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end
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end
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--- Keep tabulous in sync when a client is focused but was hidden in a tab
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-- (show the client and hide the previous one)
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function hook_focus(cl)
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local c = cl or awful.client.focus
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local i = tabindex_get(c)
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if i and tabbed[i][1] ~= c then
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display(i, c)
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end
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end
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-- Keep tabulous in sync when focus change
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awful.hooks.focus.register(hook_focus)
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-- update the tabbing when the tags changes
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awful.hooks.arrange.register(update_tabbing)
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-- Set up hook so we don't leave lost hidden clients
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awful.hooks.unmanage.register(untab)
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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