mpv/TOOLS/lua/zones.lua

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-- zones.lua: mpv script for handling commands depending on where the mouse pointer is at,
-- mostly for mouse wheel handling, by configuring it via input.conf, e.g.:
--
-- Ported from avih's ( https://github.com/avih ) zones.js
--
-- Vertical positions can be top, middle, bottom or "*" to represent the whole column.
-- Horizontal positions can be left, middle, bottom or "*" to represent the whole row.
-- "default" will be the fallback command to be used if no command is assigned to that area.
--
-- input.conf example of use:
-- # wheel up/down with mouse
-- MOUSE_BTN3 script_message_to zones commands "middle-right: add brightness 1" "*-left: add volume 5" "default: seek 10"
-- MOUSE_BTN4 script_message_to zones commands "middle-right: add brightness -1" "*-left: add volume -5" "default: seek -10"
local ZONE_THRESH_PERCENTAGE = 20;
-- sides get 20% each, mid gets 60%, same vertically
local msg = mp.msg
function getMouseZone()
-- returns the mouse zone as two strings [top/middle/bottom], [left/middle/right], e.g. "middle", "right"
local screenW, screenH = mp.get_osd_resolution()
local mouseX, mouseY = mp.get_mouse_pos()
local threshY = screenH * ZONE_THRESH_PERCENTAGE / 100
local threshX = screenW * ZONE_THRESH_PERCENTAGE / 100
local yZone = (mouseY < threshY) and "top" or (mouseY < (screenH - threshY)) and "middle" or "bottom"
local xZone = (mouseX < threshX) and "left" or (mouseX < (screenW - threshX)) and "middle" or "right"
return yZone, xZone
end
function main (...)
local arg={...}
msg.debug('commands: \n\t'..table.concat(arg,'\n\t'))
local keyY, keyX = getMouseZone()
msg.debug("mouse at: " .. keyY .. '-' .. keyX)
local fallback = nil
for i, v in ipairs(arg) do
cmdY = v:match("^([%w%*]+)%-?[%w%*]*:")
cmdX = v:match("^[%w%*]*%-([%w%*]+)%s*:")
cmd = v:match("^[%S]-%s*:%s*(.+)")
msg.debug('cmdY: '..tostring(cmdY))
msg.debug('cmdX: '..tostring(cmdX))
msg.debug('cmd : '..tostring(cmd))
if (cmdY == keyY and cmdX == keyX) then
msg.verbose("running cmd: "..cmd)
mp.command(cmd)
return
elseif (cmdY == "*" and cmdX == keyX) or
(cmdY == keyY and cmdX == "*") then
msg.verbose("running cmd: "..cmd)
mp.command(cmd)
return
elseif cmdY == "default" then
fallback = cmd
end
end
if fallback ~= nil then
msg.verbose("running cmd: "..fallback)
mp.command(fallback)
return
else
msg.debug("no command assigned for "..keyY .. '-' .. keyX)
return
end
end
mp.register_script_message("commands", main)