129 lines
3.2 KiB
Lua
129 lines
3.2 KiB
Lua
local capi = {screen = screen}
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local wibox = require( "wibox" )
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local util = require( "awful.util" )
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local timer = require( "gears.timer" )
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local placement = require( "radical.placement" )
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local module = {}
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--TODO add "wrap cursor mode"
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local wibox_to_req = {}
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local corners_geo = {
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-- Corners
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top_left = function(geo, wa) return {width = 1, height = 1} end,
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top_right = function(geo, wa) return {width = 1, height = 1} end,
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bottom_left = function(geo, wa) return {width = 1, height = 1} end,
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bottom_right = function(geo, wa) return {width = 1, height = 1} end,
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-- Sides
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left = function(geo, wa) return {width = 1 , height = wa.height } end,
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right = function(geo, wa) return {width = 1 , height = wa.height } end,
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top = function(geo, wa) return {width = wa.width, height = 1 } end,
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bottom = function(geo, wa) return {width = wa.width, height = 1 } end,
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}
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local function mouse_enter(w)
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local req = wibox_to_req[w]
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if req and req.enter then
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req:enter()
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end
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end
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local function mouse_leave(w)
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local req = wibox_to_req[w]
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if req and req.leave then
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req:leave()
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end
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end
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local function create_hot_corner(corner, s)
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local s = s or 1
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local s_geo = capi.screen[s].geometry
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local w_geo = capi.screen[s].workarea
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local size = corners_geo[corner](s_geo, w_geo)
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local w = wibox(util.table.crush(size, {ontop=true, opacity = 0, visible=true}))
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placement.align(w, corner, s, false, false)
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local req = {wibox = w, screen = s, corner = corner}
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w:connect_signal("mouse::enter", mouse_enter)
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wibox_to_req[w] = req
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return req
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end
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local function create_visible_timer(w, time, req)
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local t = timer{}
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t.timeout = time
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t:connect_signal("timeout", function()
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w.visible = false
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req.wibox.visible = true
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t:stop()
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end)
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t:start()
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end
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function module.register_function(corner, f, s)
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if not f then return end
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local req = create_hot_corner(corner, s)
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req.enter = f
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return req
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end
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--- Show a wibox when `corner` is hit.
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--
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-- Valid corners are:
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--
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-- * left
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-- * right
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-- * top
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-- * bottom
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-- * top_left
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-- * top_right
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-- * bottom_left
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-- * bottom_right
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--
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-- @tparam string corner A corner name
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-- @param w The wibox or a function returning a wibox in case lazy loading is
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-- desirable
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-- @tparam[opt=all] number s The screen
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-- @tparam[opt=0] number timeout The timeout (in seconds)
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-- @return A request handler
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function module.register_wibox(corner, w, s, timeout)
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if not w then return end
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local req = create_hot_corner(corner, s)
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local connected = false
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function req.enter()
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if type(w) == "function" then
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w = w(req)
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end
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if not connected then
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w:connect_signal("mouse::leave", mouse_leave)
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wibox_to_req[w] = req --FIXME leak
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connected = true
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end
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w.visible = true
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end
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if not timeout then
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function req.leave() w.visible = false; req.wibox.visible = true end
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else
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function req.leave() create_visible_timer(w, timeout, req) end
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end
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return req
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end
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--TODO watch for workarea changes
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return module
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