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Detect alphabet / keyboard layout from string

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}

0

Is there some existing tool that can detect keyboard layout needed from string?

As in not language, but layout.

The case

I use xdotool to paste text into an application that does not accept paste.

That is: I use xdotool type … on the text in clipboard.

When I paste for example Russian xdotool detects which layout to use and changes this automatically (from the looks of it).

The detection method is very slow though. The longer the text, the worse.

A string of 130 letters for example takes over 30 seconds when layout needs to be changed.

---

setxkbmap

I have found that changing the keyboard before using xdotool speeds things up to the normal. For this reason I added a simple layout detection method. It is very crude and is set up only to detect the languages I paste in (beside English).

orig_lang=$(setxkbmap -query | awk '/^layout:/{printf $2}')

lang=$(language "$text")



if [ ! -z "$lang" ] && [[ "$lang" != "$cur_lang" ]]; then

    printf "Changing kbmap to %sn" "$lang" >&2

    setxkbmap $lang

fi

xdotool type --delay 52 "$text"

if [ ! -z "$lang" ]; then

    setxkbmap $orig_lang

fi

``

Where the language function for now is:

language()

{

    local -i found=1

    local lan

    local letters

    local letter

    local -i len

    local -i i

    # Note: AaOoPp etc. in ru is not the same as in English

    local -A dd=(

        [ru]="АаБбВвГгДдЕеЁёЖжЗзИиЙйКкЛл†МмНнОоПпРрСсТтУуФфХхЦцЧчШшЩщЪъЫыЬьЭэЮюЯя"

        [no]="ÆØÅæøå"

        [de]="ßüÜäÄÖö"

    )



    [ -z "$1" ] && return 1



    for lan in ${!dd[@]}; do

        letters=${dd[$lan]}

        len=${#letters}

        for (( i = 0; i < len; ++i)); do

            letter="${letters:$i:1}"

            if [ -z "${1##*$letter*}" ]; then

                printf $lan

                found=0

                break 2

            fi

        done

    done

    return $found

}

---

Alternative?

Is there a better existing alternative for this?

Optionally another tool then xdotool which uses another way of detecting or sending keystrokes?

I have tried guess_language and the like.

Issue is that they are language and not alphabet oriented. As such I get possible false results and single words or short sentences return unknown.

utilities

share|improve this question

edited 4 hours ago

user3342816

asked 4 hours ago

user3342816user3342816

9177 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Can't thing of a much better alternative, even though I would use your strings in regular expressions (for instance, russian would be something like .*[АаБбВвГгДдЕеЁёЖжЗзИиЙйКкЛл†МмНнОоПпРрСсТтУуФфХхЦцЧчШшЩщЪъЫыЬьЭэЮюЯя].*.
  
  – xenoid
  3 hours ago
  

  
  
  
  

add a comment | 

0

Is there some existing tool that can detect keyboard layout needed from string?

As in not language, but layout.

The case

I use xdotool to paste text into an application that does not accept paste.

That is: I use xdotool type … on the text in clipboard.

When I paste for example Russian xdotool detects which layout to use and changes this automatically (from the looks of it).

The detection method is very slow though. The longer the text, the worse.

A string of 130 letters for example takes over 30 seconds when layout needs to be changed.

---

setxkbmap

I have found that changing the keyboard before using xdotool speeds things up to the normal. For this reason I added a simple layout detection method. It is very crude and is set up only to detect the languages I paste in (beside English).

orig_lang=$(setxkbmap -query | awk '/^layout:/{printf $2}')

lang=$(language "$text")



if [ ! -z "$lang" ] && [[ "$lang" != "$cur_lang" ]]; then

    printf "Changing kbmap to %sn" "$lang" >&2

    setxkbmap $lang

fi

xdotool type --delay 52 "$text"

if [ ! -z "$lang" ]; then

    setxkbmap $orig_lang

fi

``

Where the language function for now is:

language()

{

    local -i found=1

    local lan

    local letters

    local letter

    local -i len

    local -i i

    # Note: AaOoPp etc. in ru is not the same as in English

    local -A dd=(

        [ru]="АаБбВвГгДдЕеЁёЖжЗзИиЙйКкЛл†МмНнОоПпРрСсТтУуФфХхЦцЧчШшЩщЪъЫыЬьЭэЮюЯя"

        [no]="ÆØÅæøå"

        [de]="ßüÜäÄÖö"

    )



    [ -z "$1" ] && return 1



    for lan in ${!dd[@]}; do

        letters=${dd[$lan]}

        len=${#letters}

        for (( i = 0; i < len; ++i)); do

            letter="${letters:$i:1}"

            if [ -z "${1##*$letter*}" ]; then

                printf $lan

                found=0

                break 2

            fi

        done

    done

    return $found

}

---

Alternative?

Is there a better existing alternative for this?

Optionally another tool then xdotool which uses another way of detecting or sending keystrokes?

I have tried guess_language and the like.

Issue is that they are language and not alphabet oriented. As such I get possible false results and single words or short sentences return unknown.

utilities

share|improve this question

edited 4 hours ago

user3342816

asked 4 hours ago

user3342816user3342816

9177 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Can't thing of a much better alternative, even though I would use your strings in regular expressions (for instance, russian would be something like .*[АаБбВвГгДдЕеЁёЖжЗзИиЙйКкЛл†МмНнОоПпРрСсТтУуФфХхЦцЧчШшЩщЪъЫыЬьЭэЮюЯя].*.
  
  – xenoid
  3 hours ago
  

  
  
  
  

add a comment | 

Is there some existing tool that can detect keyboard layout needed from string?

As in not language, but layout.

The case

I use xdotool to paste text into an application that does not accept paste.

That is: I use xdotool type … on the text in clipboard.

When I paste for example Russian xdotool detects which layout to use and changes this automatically (from the looks of it).

The detection method is very slow though. The longer the text, the worse.

A string of 130 letters for example takes over 30 seconds when layout needs to be changed.

---

setxkbmap

I have found that changing the keyboard before using xdotool speeds things up to the normal. For this reason I added a simple layout detection method. It is very crude and is set up only to detect the languages I paste in (beside English).

orig_lang=$(setxkbmap -query | awk '/^layout:/{printf $2}')

lang=$(language "$text")



if [ ! -z "$lang" ] && [[ "$lang" != "$cur_lang" ]]; then

    printf "Changing kbmap to %sn" "$lang" >&2

    setxkbmap $lang

fi

xdotool type --delay 52 "$text"

if [ ! -z "$lang" ]; then

    setxkbmap $orig_lang

fi

``

Where the language function for now is:

language()

{

    local -i found=1

    local lan

    local letters

    local letter

    local -i len

    local -i i

    # Note: AaOoPp etc. in ru is not the same as in English

    local -A dd=(

        [ru]="АаБбВвГгДдЕеЁёЖжЗзИиЙйКкЛл†МмНнОоПпРрСсТтУуФфХхЦцЧчШшЩщЪъЫыЬьЭэЮюЯя"

        [no]="ÆØÅæøå"

        [de]="ßüÜäÄÖö"

    )



    [ -z "$1" ] && return 1



    for lan in ${!dd[@]}; do

        letters=${dd[$lan]}

        len=${#letters}

        for (( i = 0; i < len; ++i)); do

            letter="${letters:$i:1}"

            if [ -z "${1##*$letter*}" ]; then

                printf $lan

                found=0

                break 2

            fi

        done

    done

    return $found

}

---

Alternative?

Is there a better existing alternative for this?

Optionally another tool then xdotool which uses another way of detecting or sending keystrokes?

I have tried guess_language and the like.

Issue is that they are language and not alphabet oriented. As such I get possible false results and single words or short sentences return unknown.

utilities

share|improve this question

edited 4 hours ago

user3342816

asked 4 hours ago

user3342816user3342816

9177 bronze badges

orig_lang=$(setxkbmap -query | awk '/^layout:/{printf $2}')

lang=$(language "$text")



if [ ! -z "$lang" ] && [[ "$lang" != "$cur_lang" ]]; then

    printf "Changing kbmap to %sn" "$lang" >&2

    setxkbmap $lang

fi

xdotool type --delay 52 "$text"

if [ ! -z "$lang" ]; then

    setxkbmap $orig_lang

fi

language()

{

    local -i found=1

    local lan

    local letters

    local letter

    local -i len

    local -i i

    # Note: AaOoPp etc. in ru is not the same as in English

    local -A dd=(

        [ru]="АаБбВвГгДдЕеЁёЖжЗзИиЙйКкЛл†МмНнОоПпРрСсТтУуФфХхЦцЧчШшЩщЪъЫыЬьЭэЮюЯя"

        [no]="ÆØÅæøå"

        [de]="ßüÜäÄÖö"

    )



    [ -z "$1" ] && return 1



    for lan in ${!dd[@]}; do

        letters=${dd[$lan]}

        len=${#letters}

        for (( i = 0; i < len; ++i)); do

            letter="${letters:$i:1}"

            if [ -z "${1##*$letter*}" ]; then

                printf $lan

                found=0

                break 2

            fi

        done

    done

    return $found

}

share|improve this question

edited 4 hours ago

user3342816

asked 4 hours ago

user3342816user3342816

9177 bronze badges

share|improve this question

edited 4 hours ago

user3342816

asked 4 hours ago

user3342816user3342816

9177 bronze badges

asked 4 hours ago

user3342816user3342816

9177 bronze badges

asked 4 hours ago

user3342816user3342816

9177 bronze badges