82 lines
2.5 KiB
Lua
82 lines
2.5 KiB
Lua
local awful = require("awful")
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local gears = require("gears")
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local beautiful = require("beautiful")
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local helpers = require(tostring(...):match(".*bling") .. ".helpers")
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-- It might actually swallow too much, that's why there is a filter option by classname
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-- without the don't-swallow-list it would also swallow for example
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-- file pickers or new firefox windows spawned by an already existing one
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local window_swallowing_activated = false
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-- you might want to add or remove applications here
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local dont_swallow_classname_list = beautiful.dont_swallow_classname_list or {"firefox", "Gimp", "Google-chrome"}
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local activate_dont_swallow_filter = beautiful.dont_swallow_filter_activated or true
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-- checks if client classname matches with any entry of the dont-swallow-list
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local function check_if_swallow(c)
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if not activate_dont_swallow_filter then
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return true
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end
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for _, classname in ipairs(dont_swallow_classname_list) do
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if classname == c.class then
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return false
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end
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end
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return true
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end
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-- the function that will be connected to / disconnected from the spawn client signal
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local function manage_clientspawn(c)
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-- get the last focused window to check if it is a parent window
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local parent_client=awful.client.focus.history.get(c.screen, 1)
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if not parent_client then return end
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-- io.popen is normally discouraged. Should probably be changed
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local handle = io.popen([[pstree -T -p -a -s ]] .. tostring(c.pid) .. [[ | sed '2q;d' | grep -o '[0-9]*$' | tr -d '\n']])
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local parent_pid = handle:read("*a")
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handle:close()
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if (tostring(parent_pid) == tostring(parent_client.pid)) and check_if_swallow(c) then
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c:connect_signal("unmanage", function()
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helpers.client.turn_on(parent_client)
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helpers.client.sync(parent_client, c)
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end)
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helpers.client.sync(c, parent_client)
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helpers.client.turn_off(parent_client)
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end
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end
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-- without the following functions that module would be autoloaded by require("bling")
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-- a toggle window swallowing hotkey is also possible that way
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local function start()
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client.connect_signal("manage", manage_clientspawn)
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window_swallowing_activated = true
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end
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local function stop()
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client.disconnect_signal("manage", manage_clientspawn)
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window_swallowing_activated = false
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end
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local function toggle()
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if window_swallowing_activated then
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stop()
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else
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start()
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end
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end
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return {
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start = start,
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stop = stop,
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toggle = toggle
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}
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