Ubuntu – How to set Alternative Characters Key in Ubuntu 18.04

18.04keyboardshortcut-keys

I am using Ubuntu 18.04. Our language need to use Alternative Characters Key in "Typing". I can use this option in Ubuntu 16.04 and didn't find in Ubuntu version 18.04. How do I set this in Ubuntu 18.04?

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Updated!……………

The Following picture is our keyboard layout. In Ubuntu version 16.04, Firstly I installed our keyboard and then go to Keyboard >> Typing >> and set Right Alt for Alternative Character Key.

In the following picture, I pointed to two arrows with different colors to words. Red Arrow pointed word is Main Word. If I want to type Blue Arrow pointed word, I need press the Right Alt and then press "P". So It will work. Currently I am facing the problem in 18.04 for type some of these Characters which was use by pressing Alternative Character Key in 16.04. Please solve my problem. Thank you.

Our Keyboard Layout

Best Answer

You need to install gnome-tweaks and go to the menuitem 'keyboard & mouse'. From there, the button 'extended options' lets you reassign the key. In your case, you don't have an AltGr, it is a right Alt. Please set your preferences accordingly. You want to have the 3rd level assigned to your right Alt and maybe the 4th level to Shift right Alt if I get your intentions right.

The keyboard layout picture was really helpful to clear up the confusion.

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Ubuntu – Custom Keyboard Layout to use H J K L as ARROWS not working properly

Go to xkb/types/iso9995 and edit the "THREE_LEVEL" type by adding

  preserve[Shift+LevelThree] = Shift;

so it looks like this

  partial default xkb_types "default" {

// A key type which can be used to implement
// an ISO9995-style level-three shift.

virtual_modifiers LevelThree;

type "THREE_LEVEL" {
    modifiers = Shift+LevelThree;
    map[None] = Level1;
    map[Shift] = Level2;
    map[LevelThree] = Level3;
    map[Shift+LevelThree] = Level3;
    preserve[Shift+LevelThree] = Shift;
    level_name[Level1] = "Base";
    level_name[Level2] = "Shift";
    level_name[Level3] = "Level3";
    };
};

Then go to your symbols file and use this format

    key <AC06>  { type="THREE_LEVEL", [               h,               H,            Left ]     }; 
    key <AC07>  { type="THREE_LEVEL", [               j,               J,            Down ]     }; 
    key <AC08>  { type="THREE_LEVEL", [               k,               K,              Up ]     }; 
    key <AC09>  { type="THREE_LEVEL", [               l,               L,           Right ]     };

This is a related question from which I could figure out the answer to yours.

Ubuntu – How to type Greek characters with a breathing and accent

The Greek X11 Compose file offers multiple predefined options for typing characters as those you mention. To enable it, follow these steps:

Open Language Support and select "XIM" as the input method.
Unless your selected display language is Greek, open the ~/.profile config file for editing and add this line:
```
export XCOMPOSEFILE=/usr/share/X11/locale/el_GR.UTF-8/Compose
```
Log out and log in again.

Then, to type e.g. ἄ, one option is: AltGr+>+'+α

You can find out other options by studying the /usr/share/X11/locale/el_GR.UTF-8/Compose file.

Edit:

These are the steps with Right Ctrl as the compose key:

Press Right Ctrl
Type > (by holding down Shift when pressing the key)
Type ' (by holding down AltGr when pressing the key)
Press α

Nothing should happen on the screen until you press the α key, and then the ἄ character should show up.

Best Answer

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Ubuntu – Custom Keyboard Layout to use H J K L as ARROWS not working properly

Ubuntu – How to type Greek characters with a breathing and accent

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