send "keyUp" / "rawKeyUp" ?

Mike Bonner bonnmike at gmail.com
Sun Feb 25 13:32:14 EST 2018


My apologies. I assumed you knew how the keyboard was laid out on your
mac.  For other peoples macs, you might read this page.
https://stackoverflow.com/questions/21597804/determine-os-x-keyboard-layout-input-source-in-the-terminal-a-script
.
(goes off to napland)

On Sun, Feb 25, 2018 at 11:06 AM, Richmond Mathewson via use-livecode <
use-livecode at lists.runrev.com> wrote:

> That's great, but I'm currently working on a Macintosh.
>
> Richmond.
>
> On 25/2/2018 7:38 pm, Mike Bonner via use-livecode wrote:
>
>> Just realized, if all you need to know (On linux) is the basic keyboard
>> information, you can likely do this..
>>
>> put url "file:/etc/default/keyboard" into <whatevercontainer>
>> and then parse it. Mine contains
>> KBMODEL="pc105"
>> KBLAYOUT="us"
>> KBVARIANT=""
>> KBOPTIONS=""
>> BACKSPACE="guess"
>>
>> On windows, if the system has powershell (uncertain as to versions?) you
>> might be able to get useful information
>>
>> set the hideconsolewindows to true
>> set the shellcommand to "powershell"
>> get shell("(Get-Culture).keyboardLayoutID")
>>
>> This will put a number into "it" in my case, 1033.
>> Looking at this page.. https://www.science.co.il/lang
>> uage/Locale-codes.php
>> shows that 1033 is en_us.
>>
>> Alternatively, also with powershell
>>
>>     set the hideconsolewindows to true
>>     set the shellcommand to "powershell"
>>     get shell("Get--WinUserLanguageList")
>>
>> At which point IT contains something like..
>> *LanguageTag     : en-US*
>> *Autonym         : English (United States)*
>> *EnglishName     : English*
>> *LocalizedName   : English (United States)*
>> *ScriptName      : Latin script*
>> *InputMethodTips : {0409:00000409}*
>> *Spellchecking   : True*
>> *Handwriting     : False*
>>
>>
>> The number for InputMethodTips means qwerty us, and is in the registry key
>> (for me)
>> The registry key: HKEY_CURRENT_USER\Keyboard Layout\Preload\1
>> contains the same 0409 number so perhaps queryRegister could be used to
>> grab that.
>>
>> If the user is using a different preferred layout (overriding normal
>> mapping,) it might show in
>> HKEY_CURRENT_USER\Keyboard Layout\Substitutes\1
>> For example, looking at the number 00010409 denotes 409 english us
>> keyboard
>> layout overridden to be a dvorak layout.
>>
>> After all this, i'm thinking that having the user do a nice keyboard
>> faceroll might still be the easiest solution.
>>
>> On Sun, Feb 25, 2018 at 9:26 AM, Mike Bonner <bonnmike at gmail.com> wrote:
>>
>> Hmm.  On linux you might be able to use a shell command to get some info,
>>> though I don't know enough about theh output to be much help.
>>>
>>> the command xkbcom :0 - dumps a truckload of info, might be useful for
>>> your task.
>>> I'm guessing there is a way to do this on macos too but I don't currently
>>> have access to a mac.
>>> Unsure about how to go about it on windows.
>>>
>>> For example, on my system one of the first lines contains qwerty as part
>>> of the line.  The only issue with this, is that custom mapings are
>>> possible, though it looks like the aliases are part of the information.
>>>
>>> I've seen operating systems do the "press the key to the right of the
>>> left
>>> shift key.." sequence to determine base layout (which again, wouldn't
>>> cover
>>> every base if the user has changed the keyboard map, so you might need to
>>> have them press every key...  xkbcom might get around that if you can
>>> figure out enough to interpret the results)
>>>
>>>
>>>
>>> On Sun, Feb 25, 2018 at 8:22 AM, Richmond Mathewson via use-livecode <
>>> use-livecode at lists.runrev.com> wrote:
>>>
>>> Either I did not explain things very well or you got hold of the wrong
>>>> end of the stick
>>>> (or, most probably a bit of both: probably the latter as a consequence
>>>> of
>>>> the former).
>>>>
>>>> Imagine, if you will, I need to know what an end-user's standard
>>>> keyboard
>>>> layout is.
>>>> Let's call our theoretical end-user Farhad, and Iranian who uses an
>>>> Iranian keyboard layout
>>>> (something I don't know), and let's call our me Richmond owing to a
>>>> slight lack of imagination
>>>> on my part; and I use a US English keyboard layout, which I know, but
>>>> isn't useful information
>>>> under the circumstances.
>>>>
>>>> Now if I click on the key that yields a rawKey of 113 I get a "q".
>>>>
>>>> If Farhad clicks on the key that yields a rawKey of 113 he gets a "ق
>>>>
>>>> And I am unable to type close-quotes there.
>>>>
>>>> So I should like to find a way to fake someone pressing down on a key on
>>>> their home-computer
>>>> to see what the keyUp result is.
>>>>
>>>> Now I realise I cannot SEND a command telling the key on the keyboard to
>>>> do
>>>> "a pianola" and depress itself (wouldn't that be fun?).
>>>>
>>>> It would, however, be groovy if one could work out Farhad's keys without
>>>> having him to
>>>> go "bash, bash" all the way along the rows of his keyboard.
>>>>
>>>> Richmond.
>>>>
>>>>
>>>>
>>>> On 25/2/2018 4:13 pm, Mike Bonner via use-livecode wrote:
>>>>
>>>> A quick example placed in the card script.
>>>>>
>>>>> local sKeysPushed --keys kept in this variable for the example
>>>>>
>>>>> on rawkeydown pkey
>>>>>      if sKeysPushed is empty then
>>>>>         put pkey into sKeysPushed
>>>>>      else
>>>>>         put comma & pkey after sKeysPushed
>>>>>      end if
>>>>>
>>>>> -- You would want to remove this block of course, but for testing
>>>>> -- it lets you push the shift key to see whats been captured
>>>>>      if the shiftkey is down then
>>>>>         put sKeysPushed
>>>>>      end if
>>>>>
>>>>>      pass rawkeydown --pass the key
>>>>>
>>>>> end rawkeydown
>>>>>
>>>>> I know it was just pseudocode, but as far as I know you can't "send" a
>>>>> message to a key so..
>>>>> If you want to be able to click a button to send a rawkeydown (rather
>>>>> than
>>>>> just typing them) you could use something like:
>>>>>
>>>>> on mouseup
>>>>>        send "rawkeydown 110" to this card
>>>>> end mouseup
>>>>>
>>>>> or
>>>>> on mouseup
>>>>>        displatch "rawkeydown" with (any item of "119,240,43") --<list
>>>>> of
>>>>> random keys to send
>>>>> end mouseup
>>>>>
>>>>> Now.. If you need to track keypresses while NOT actively using your
>>>>> application, it requires a different method.  You'd need to use a
>>>>> different
>>>>> method.  You would need to use a send loop and check the keysdown and
>>>>> build
>>>>> up your keys list that way.  Using this method would be problematic
>>>>> though,
>>>>> for example.. A user holds a key down long enough for several loops to
>>>>> happen, so the keysdown would show the key multiple times.  Which might
>>>>> be
>>>>> appropriate if autorepeat is being used, but then you have no idea how
>>>>> many
>>>>> "repeats" there were because its based on the repeat rate.  It would be
>>>>> very difficult to have much accuracy using this method.  (easiest might
>>>>> be
>>>>> to check current keysdown against previous keysdown and only log if
>>>>> there
>>>>> is a difference, then use your own noggin to realize that litle is
>>>>> little)
>>>>>
>>>>>
>>>>> On Sun, Feb 25, 2018 at 3:09 AM, Richmond Mathewson via use-livecode <
>>>>> use-livecode at lists.runrev.com> wrote:
>>>>>
>>>>> Erm . . .
>>>>>
>>>>>> I want to set up a stack that will list an end-user's keyDowns by
>>>>>> sending
>>>>>> their system
>>>>>> a set of rawKeyUps . . .
>>>>>>
>>>>>> PseudoCode:
>>>>>>
>>>>>> in a button:
>>>>>>
>>>>>> on mouseUp
>>>>>>    send "rawKeyDown" to key 113
>>>>>> end mouseUp
>>>>>>
>>>>>> in the cardScript:
>>>>>>
>>>>>> on rawKeyDown XX
>>>>>>     get keyUp XX
>>>>>>     put XX somewhere useful
>>>>>> end rawKeyDown
>>>>>>
>>>>>> Richmond.
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