92 lines
2.7 KiB
Lua
92 lines
2.7 KiB
Lua
---------------------------------------------------------------------------
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-- @author Uli Schlachter <psychon@znc.in>
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-- @copyright 2014 Uli Schlachter
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-- @module naughty
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---------------------------------------------------------------------------
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local naughty = require("naughty.core")
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local gdebug = require("gears.debug")
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local capi = {awesome = awesome}
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if dbus then
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naughty.dbus = require("naughty.dbus")
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end
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naughty.action = require("naughty.action")
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naughty.list = require("naughty.list")
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naughty.layout = require("naughty.layout")
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naughty.widget = require("naughty.widget")
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naughty.container = require("naughty.container")
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naughty.action = require("naughty.action")
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naughty.notification = require("naughty.notification")
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-- Attempt to handle early errors when using the manual screen mode.
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--
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-- Creating a notification popup before the screens are added won't work. To
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-- work around this, the code below initializes some screens. One potential
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-- problem is that it could emit enough signal to cause even more errors and
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-- lose the original error.
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--
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-- For example, the following error can be displayed using this fallback:
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--
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-- screen.connect_signal("scanned", function() foobar() end)
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--
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local function screen_fallback()
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if screen.count() == 0 then
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gdebug.print_warning("An error occurred before a scrren was added")
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-- Private API to scan for screens now.
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if #screen._viewports() == 0 then
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screen._scan_quiet()
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end
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local viewports = screen._viewports()
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if #viewports > 0 then
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for _, viewport in ipairs(viewports) do
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local geo = viewport.geometry
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screen.fake_add(geo.x, geo.y, geo.width, geo.height)
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end
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else
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screen.fake_add(0, 0, 640, 480)
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end
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end
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end
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-- Handle runtime errors during startup
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if capi.awesome.startup_errors then
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-- Wait until `rc.lua` is executed before creating the notifications.
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-- Otherwise nothing is handling them (yet).
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client.connect_signal("scanning", function()
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-- A lot of things have to go wrong for this to happen, but it can.
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screen_fallback()
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naughty.emit_signal(
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"request::display_error", capi.awesome.startup_errors, true
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)
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end)
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end
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-- Handle runtime errors after startup
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do
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local in_error = false
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capi.awesome.connect_signal("debug::error", function (err)
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-- Make sure we don't go into an endless error loop
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if in_error then return end
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in_error = true
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screen_fallback()
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naughty.emit_signal("request::display_error", tostring(err), false)
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in_error = false
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end)
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end
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return naughty
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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