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149 lines
2.9 KiB
Plaintext
149 lines
2.9 KiB
Plaintext
Read API Documentation,
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before reading this.
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Note that access to any
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component can be gotten
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by prefixing the type
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of component with "c.",
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but unless interfacing
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with an external device,
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use "stat" and "randr".
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("randr" covers your
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multi-screen needs.)
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In a truly extreme case,
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like an installer, you
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can use "c.filesystem".
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Signals from the devices
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are not relayed, as I
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am unsure of a way to
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verify the source.
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(It seems to be a default
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to have the device as
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the first parameter, but
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I don't want to rely on
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this behavior.)
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There are exceptions:
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A successful "c.modem" or
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"c.tunnel" request will
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enable the modem_message
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event to make it
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somewhat useful.
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A similar thing occurs
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for "c.chat_box",
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and "root" allows seeing
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all events.
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Another way to get at
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signals is the
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"s.<signal>" permission.
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Like the "c.<component>"
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permission, it's a tiny
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general means of getting
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events that the kernel
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has no way (or reason)
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to access.
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The interface has a
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function to return an
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iterator of proxies,
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called "list".
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The interface may have a
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"primary" field if the
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system has a 'primary'
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choice for that device.
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-------------------------
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KittenOS A.request()
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Acceptable Values:
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"math", "table", "string"
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, "unicode": Standard,
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if indirect, access to
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those Lua APIs.
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(Done via metatable to
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preserve memory.)
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Note that the "unicode"
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API has an additional
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function:
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safeTextFormat(txt,ptr)
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adds spaces after wide
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characters, making it
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easier to display text
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with wide characters
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in. "ptr" can be a
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point in the string,
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and is also adjusted -
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this can be used for
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e.g. console cursors.
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Returns atxt, aptr.
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"root": The kernel _ENV.
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Essentially everything.
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"stat": Contains:
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(names preserved, but
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namespaces aren't)
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computer:
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totalMemory freeMemory
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energy maxEnergy
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os:
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clock date difftime
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time
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Also contains
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"component.list", but
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named "componentList".
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"proc": Contains:
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aid: A field containing
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the running app ID.
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Usually pkg .. "-" .. n
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where 'n' is a number.
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pkg: A field containing
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the app name (aka. pkg)
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listApps()
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Returns a table of
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{package, aid} entries.
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sendRPC(aid, ...)
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Causes the "rpc" event
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to be called, with the
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given data parameters.
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"lang":
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getLanguage(): Gets the
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current system language
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getTable(): Loads and
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calls the Lua file at
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"/lang/<lang>/<pkg>.lua"
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Failing that, returns
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nil
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"setlang": Actually one
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function, setting the
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system language.
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"kill": Contains:
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killApp(aid)
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Kills a process.
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"randr": Contains:
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getResolution,
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maxResolution,
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setResolution,
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(the above work
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as on a GPU)
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iterateScreens,
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iterateGPUs
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(the above iterate over
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*non-primary* proxies,
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direct control of the
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primary screen is not
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allowed)
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"c.modem": See the notes
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above on the "c." setup,
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but note that this adds
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the "modem_message"
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callback.
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"c.<component type>":
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See the notes above. |