-- This source code form is subject to the terms of the MPL-v2 https://mozilla.org/MPL/2.0/ --
-- Event handling
local X = require("x")
local Conf = require("conf")
local Tree = require("tree")
local Event = {}

local xEventHandlers = {}
xEventHandlers[X.MapRequest] = function(ev)
	if Tree.windows[ev.id] then return print("got duplicate map request") end
	local win = Tree.newWindow(ev)
	local handler = Conf.eventHandlers.newWindow
	if handler and win then handler(win) end
end
xEventHandlers[X.DestroyNotify] = function(ev)
	local win = Tree.windows[ev.id]
	local handler = Conf.eventHandlers.delWindow
	if handler and win then handler(win) end
	if win then
		win:unmanage()
	end
end
xEventHandlers[X.KeyPress] = function(ev)
	local handler = Conf.keyPressHandlers[ev.key..ev.mask]
	if handler then handler(ev) end
end

function Event.handleXEvents()
	while X.pending() > 0 do
		local ev = X.nextEvent()
		if xEventHandlers[ev.type] then
			xEventHandlers[ev.type](ev)
		end
		if Conf.eventHandlers[ev.type] then
			pcall(Conf.eventHandlers[ev.type], ev)
		end
	end
end

return Event