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A new function to print to stderr prefixed with a timestamp. The idea is
to make the printed line's format match the Rust logger's.
The Rust logger prints timestamps like this:
2018-11-04T03:16:31.938+01:00
`teprintf` does:
2018-11-04T15:02:21+0100
Unfortunately, I wasn't able to reproduce it exactly. It's missing the
milliseconds because I didn't want to deal with using `gettimeofday`,
and the time zone format isn't right because I didn't know how to format
it easily with a colon.
Resources:
Getting the time in C:
https://stackoverflow.com/questions/9596945/how-to-get-appropriate-timestamp-in-c-for-logs#9596994
Variadic functions in C:
https://stackoverflow.com/questions/205529/passing-variable-number-of-arguments-around
Getting milliseconds in C:
https://stackoverflow.com/questions/10192903/time-in-milliseconds#10192994
https://stackoverflow.com/questions/3673226/how-to-print-time-in-format-2009-08-10-181754-811
https://stackoverflow.com/questions/361363/how-to-measure-time-in-milliseconds-using-ansi-c
Concatenating strings in C:
https://stackoverflow.com/questions/308695/how-do-i-concatenate-const-literal-strings-in-c#308712
https://stackoverflow.com/questions/8465006/how-do-i-concatenate-two-strings-in-c
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Otherwise, the error messages only get printed in the daemon process'
output. Much more convenient to print the error messages directly after
running the command with `--reload-mappings`.
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Previously I got the inter-process communication set up, but left the
work of actually reloading the mappings into memory for later. That
later is now.
Make `Mappings` solely responsible for loading and reloading mappings.
What used to be in `HeadphoneKey` for this has now been moved.
HeadphoneKey:
* Store a reference to a `Mappings` instance
* Load mappings using the `Mappings` API instead of calling
`dome_key_state_load_map_group()` directly.
* Move the call to `observeReloadNotification` here from `main()`. Made
more sense to me to have it with the other related mappings setup
method calls.
* Move the `_state` variable into `Mappings`, since that's where it's
used most. Get it from an accessor in the one spot we need it.
Mappings:
* Make `observeReloadNotification` an instance method. While not
necessary, since I decided to call it in `HeadphoneKey` after
initialising `_mappings` and calling `reloadMappings`, I figured it
made sense to call the method on the instance.
* Make `reloadMappings` both an instance method and a class method. Made
sense to call it on the instance since we instantiate `Mappings` just
before calling it in `HeadphoneKey`. But we also need to be able to
call it from `reload_mappings`, the C function, which has no knowledge
of the `Mappings` instance. That's why we make it a class method also.
* Add a `_state` static variable. Not ideal. Would rather have an
instance variable, but this value needs to be accessible from the
`reload_mappings` C function, which doesn't have access to instance
variables.
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Doesn't make sense to have this in the `HeadphoneKey` initialiser. Since
it's something that needs to be done near the start of the program, move
it into `main()`.
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New trial encryption key.
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* Make "OPTIONS" in the Synopsis section lowercase to match other man
pages
* Add a description of the program. Still not happy with it yet, but
it's a start.
* Add a "See Also" section that refers to an uncreated man page that
should describe the syntax of the dkmap mappings file.
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While the Objective-C/Cocoa code is designed to work on at least 10.6,
the Rust code requires >=10.7, as something in Rust, maybe the standard
library, requires at least that version of Mac OS.
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Copy-pasted options from the `--help` output and reordered them
alphabtically.
Includes a few stub sections that I think are needed.
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The start of a Homebrew formula for the program. Needs a bunch of fields
filled out. For now, we're mostly getting it to work as an input
template for an accompanying generator script. The script will fill in
some values automatically, including the plist file, so that the launchd
plist can be activated using Homebrew's services.
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Allow users to decide whether interface audio (mode activated &
deactivated) should play.
The flag value is in a `Config`, so to make it easier to pass both the
audio flag and the timeout config value to `HeadphoneKey`, rename
`initWithTimeout:` to `initWithConfig:`.
Only allocate a `Sounds` instance if `--audio` is passed, because
there's no reason to allocate memory for it otherwise.
Add a `_play_audio` flag as a static variable to make it accessible to
the `on_mode_change()` function, just like we did for `sounds_inst`.
In `on_mode_change()`, don't play any audio if `_play_audio` is on.
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This was for when I was trying to store the current mode in this class.
It's now stored in a `State` variable.
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Use the new function pointer argument on `dome_key_run_key_action()` to
play our interface sounds.
Store the `Sounds` instance in a static constant variable in order to
make it accessible to our callback function's scope. At first I had put
it in an instance variable, but this obviously didn't work.
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Includes a small Makefile change, removes audio playing functionality,
and introduces a callback function argument that gets called when the
current mode changes.
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Initialise `NSSound`s using the data arrays in `sound_data.h`.
HeadphoneKey:
Add a `_sounds` instance variable and test playing the "mode activated"
sound. It works.
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This will be used to play the mode activated & deactivated sounds via
`NSSound` (hopefully).
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I want to make a Cocoa class called `Sounds`, but `Sounds.h` would
conflict with this file.
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This enables us to compile the sound files into our binary.
Makefile:
Add a target to build the `sounds.h` file, by running `xxd -i` on both
sound files.
Thanks to Matteo Italia
(https://stackoverflow.com/users/214671/matteo-italia) on Stack Overflow
for describing how to use `xxd -i` to create a C array from a binary
file:
https://stackoverflow.com/questions/8707183/script-tool-to-convert-file-to-c-c-source-code-array/8707241#8707241
An to John Marshall
(https://stackoverflow.com/users/280577/john-marshall) on Stack Overflow
for showing me the Make `foreach` function:
https://stackoverflow.com/questions/7918511/make-execute-an-action-for-each-prerequisite/7921168#7921168
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Sounds to play when a mode is activated or deactivated.
Use the MP3 versions of the audio files because Core Audio doesn't
support Ogg/Vorbis:
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/SupportedAudioFormatsMacOSX/SupportedAudioFormatsMacOSX.html#//apple_ref/doc/uid/TP40003577-CH7-SW1
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Use the new function names.
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Code cleanups, C function API cleaned up, audio, lots of under the hood
code improvements.
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Add a new `LogDebug` macro that `NSLog`s when a `DOME_KEY_DEBUG`
environment variable is set to "1".
This gets rid of the verbose output every time a headphone key is
pressed. But it enables you to see it if needed for debugging purposes.
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From what I could tell, this didn't work for handling Bluetooth button
press events. Delete it since it's not being used. We'll have to come
back to Bluetooth again later.
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This code was a test for Bluetooth event handling. It didn't work for
that purpose as far as I could tell. Since it's not being used, delete
it.
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We're no longer using this code. Keyboard simulation has been moved
since a long while ago to the Rust library using the 'autopilot'
library.
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This was a test to see if we could get Bluetooth headphone events using
media key events. I wasn't successful. Get rid of the code now that it
isn't being used.
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* The protocol definition was for an `NSXPCConnection`
* Remove the XPCConnection method as we're using BSD notifications
instead
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Ensure it's scoped to this file.
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Previously, you couldn't replace the existing license file using the
`--license` flag. If you somehow got an invalid license installed, you'd
get an error message asking you to add your license again:
"Try adding your license again using the `--license` flag."
But this wouldn't work to replace the existing license. The copy
operation would fail complaining about the file already existing. The
behaviour of the method now is to always replace the license file, just
in case it's necessary.
We use the existing "move to trash" method, and make sure we ignore
"does not exist" errors, because typically when you run `--license`,
you're not going to have a `license.plist` file installed at the start,
so for our purposes, that's not an error.
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Make things a bit more organised by splitting off this functionality and
giving it a name.
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To prevent errors resulting from trying to move the license file to the
trash when a file with the same name already exists there, use a custom
file name with a time stamp.
Instead of naming the trashed file "license.plist", prepend "dome-key-"
to the filename to make it clear to users that the file came from
DomeKey. Append the current date in the format "2018-10-26-19.28.13"
before the file extension.
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