[Rpcemu] Patch for 0.9.1 - Mac keyboard support
lists at maemagel.com
lists at maemagel.com
Tue Nov 20 13:38:56 PST 2018
On 19 Nov 2018, at 21:49, Theo Markettos <theo at markettos.org.uk> wrote:
> On Mon, Nov 19, 2018 at 07:43:18PM +0000, Timothy Coltman wrote:
>> Hello all
>> Please find attached a ZIP archive (169K) containing a patch for RPCEmu
>> 0.9.1 that implements keyboard support for OS X/macOS. The file contains
>> a patch in unified diff format ("rpcemu-0.9.1-mac-v1.patch") plus a folder
>> ("macosx") containing the icons for the Mac's dock. This should be
>> unpacked in the "src" folder and the patch applied from there.
> That's great. It looked so good until I came across the Qt keyboard
> problem, so fixing that should improve the RPCEmu Mac experience a lot.
>> 4. The patch uses virtual key codes and assumes a UK keyboard layout.
>> There is support for other keyboard layouts, but needs these to be defined
>> in the "keyboard_macosx.c" file (there is a very basic French layout
>> defined that swaps "Y" and "Z").
> I've had no end of problems with things getting keyboard layouts wrong on
> MacOS (usually with remote connections to other machines where the other end
> is set differently) so it wouldn't be the first time.
> Does your layout handle US keyboards (it's usually \|~`#@" that get
> into trouble)?
I'd imagine that most of the US keyboard layout will work, though I've
not tried it myself. The code works by defining a base keyboard layout
(UK) and you can add additional layouts to the code by telling it which
keys are handled differently - so for French, for example, I've told it
that "Y" and "Z" are different. It reads the current keyboard layout in
when the application starts and goes from there (all in the
"src/qt5/keyboard_macosx.c" file). It's probably not the best solution,
but it does work. If there are keys on a US layout that are different,
it would be trivial to add in the relevant mappings, whilst allowing
other layouts to work unaffected. None of this would be needed if you
could obtain scan codes from OS X, but you have do make do with virtual
keys, handle modifiers separately and handle CAPS LOCK even more
> I usually use the 'British PC' layout on a Macbook Pro which is additional
> fun because the keys are now moved around compared to the Apple layout.
>> Please note that there is no networking support. I did try and get it up
>> and running, using some of the code from the "Caliston" builds of Francis
>> Devereux and whilst it did look promising at one point (I could ping from
>> one end), I wasn't able to get it to work fully.
> Those are my builds, and I never got networking to play nicely.
> I wonder whether, instead of using TUN/TAP, on MacOS it might be worth
> investigating NETunnelProvider as a native API for networking?
> That would make a much nicer user experience.
My hacked version would have been pretty awful, even if it had worked.
Kernel extensions need to be signed in newer versions of OS X and I'm
not a registered developer, so I ended up downloading an application
called "Tunnelblick" and borrowing its Tun/Tap kernel extensions, which
were signed. The emulator would randomly stall during !Boot when
setting up networking, so I decided to cut my losses and gave it up as a
bad job. I'll have a look at "networkextension", just to see, though
I'm not too experienced when it comes to OS X development.
>> Any comments and suggestions would be appreciated. If anyone wants
>> binaries (so they don't have to compile), please let me know and I'll make
>> some available in due course.
> Peter may have other opinions, but AIUI he doesn't have any means of
> producing Mac builds. It sounds like you're set up to do that, so you could
> take over producing them from me - I didn't have any special infrastructure
> for that beyond a very hacked up Xcode with Snow Leopard libraries - I was
> just making random builds on my laptop from time to time. (and running any
> kind of CI with MacOS is a pain, so they're not straightforward to automate)
Peter did ask me whether I'd be prepared to create Mac binaries when I
emailed him previously off-list, and I "umm"ed and "ah"ed about it. It
really depends on how much work there is, and whether there are any
other oddities thrown up by OS X that need to be worked around (such as
the keyboard and networking). It would be nice to have a proper
installer as well (there is an installer builder in QT apparently,
though I've not investigated in any detail).
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