84 lines
2.7 KiB
Lua
84 lines
2.7 KiB
Lua
-- Print Screen : Save screen to file
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-- Author: Kiritow
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require("libevent")
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local shell=require("shell")
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local filesystem=require("filesystem")
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local component=require('component')
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local args,options=shell.parse(...)
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local dprint
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if(options["q"]) then
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dprint=function(...) end
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else
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dprint=print
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end
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if(#args<1) then
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print([==[Usage: prtsc <start|stop> [-q]
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Options:
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-q: Don't print anything while PrtSc is pressed.]==])
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elseif(args[1]=="start") then
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if(filesystem.exists('/tmp/.prtsc.evid')) then
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print("PrtSc service already started.")
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else
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local f=io.open("/tmp/.prtsc.evid","w")
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if(not f) then
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print("Failed to open record file.")
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else
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local evid=AddEventListener("key_down",function(e)
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if(e.code==183) then
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local gpu=component.list('gpu')()
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if(gpu) then
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gpu=component.proxy(gpu)
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local tmp={}
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local w,h=gpu.getResolution()
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for i=1,h do
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for j=1,w do
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table.insert(tmp,(gpu.get(j,i)))
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end
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table.insert(tmp,'\n')
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end
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tmp=table.concat(tmp,"")
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local name=os.tmpname()
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local p=io.open(name,"w")
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if(p) then
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p:write(tmp)
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p:close()
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dprint("[PrtSc] Screen saved to " .. name)
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local dbg=component.list("debug")()
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if(dbg) then
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dbg=component.proxy(dbg)
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dbg.sendToClipboard(e.playerName,tmp)
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dprint("[PrtSc] Screen saved to clipboard.")
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end
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else
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dprint("[PrtSc] Unable to open file: " .. name)
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end
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end
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end
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end)
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f:write(evid)
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f:close()
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print("PrtSc service started.")
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end
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end
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elseif(args[1]=="stop") then
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if(not filesystem.exists('/tmp/.prtsc.evid')) then
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print("PrtSc service not started.")
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else
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local f=io.open("/tmp/.prtsc.evid","r")
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if(not f) then
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print("Failed to open record file.")
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else
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local evid=f:read("n")
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f:close()
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RemoveEventListener(evid)
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filesystem.remove("/tmp/.prtsc.evid")
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print("PrtSc service stopped.")
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end
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end
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else
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print("Unknown command: " .. args[1])
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end |