Terminal emulator with all the bells and whistles https://www.enlightenment.org
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README.md

Terminology

Terminology


Please report bugs/issues at git.enlightenment.org


Coverity CircleCI Codecov Twitter: Terminology Snapcraft Weblate


This is an EFL terminal emulator with some extra bells and whistles such as the ability to display in-line images, video and even play music files, background images, videos, Z-Modem like sending (e.g. SSH into a server and use tysend to send a file back to the local terminal), GPU Accelerated rendering (optional - just set the EFL Elementary toolkit engine to use OpenGL) and much more.

Requirements

Please see http://www.enlightenment.org for information on these.

Compiling

Once you have met requirements, compiling and installing are simple:

meson build
ninja -C build
sudo ninja -C build install

At the end of this file is more complete information on cimpiling and installing.

NOTE: to make terminology work with input methods in general you need:

export ECORE_IMF_MODULE="xim"
export XMODIFIERS="@im=none"

Themes

Apart from the ones shipped with Terminology, themes can be stored in ~/.config/terminology/themes/.

Documentation on themes is written in THEMES.md.

Color Schemes

Terminology ships with some common color schemes.

To know how to modify or add some new color schemes, please read COLORSCHEMES.md.

Mouse controls

  • Right mouse button = controls menu
  • Middle mouse button = paste highlight selection
  • Left mouse button/drag = make highlight
  • Wheel = scroll up or down in history
  • Ctrl+Wheel = zoom font size up/down
  • Ctrl+Left mouse button/drag = make block selection highlight

Default key controls

  • Shift+PgUp = Scroll 1 page up
  • Shift+PgDn = Scroll 1 page down
  • Shift+Up = Scroll 1 line up
  • Shift+Down = Scroll 1 line down
  • Shift+Home = Scroll to the top of the backlog
  • Shift+End = Reset scroll
  • Shift+Left = switch focus to previous terminal inside a window
  • Shift+Right = switch focus to next terminal inside a window
  • Shift+Insert = Paste Clipboard (ctrl+v/c) selection
  • Shift+Ctrl+Insert = Paste Primary (highlight) selection
  • Shift+Keypad-Plus = Font size up 1
  • Shift+Keypad-Minus = Font size down 1
  • Shift+Keypad-Multiply = Reset font size
  • Shift+Keypad-Divide = Copy highlight to Clipboard (same as Ctrl+c in gui apps)
  • Ctrl+PgUp = switch focus to previous terminal inside a window
  • Ctrl+PgDn = switch focus to next terminal inside a window
  • Ctrl+Shift+t = create new terminal on top of current inside window (tabs)
  • Ctrl+Shift+End = close the focused terminal.
  • Ctrl+Shift+h = toggle displaying the miniview of the history
  • Ctrl+Shift+Home = bring up "tab" switcher
  • Ctrl+Shift+PgUp = split terminal horizontally (1 term above the other)
  • Ctrl+Shift+PgDn = split terminal vertically (1 term to the left of the other)
  • Ctrl+Shift+c = copy current selection to clipboard
  • Ctrl+Shift+v = paste current clipboard selection
  • Alt+Home = Enter command mode (enter commands to control terminology itself)
  • Alt+Return = Paste primary selection
  • Alt+g = Group input: send input to all visible terminals in the window
  • Alt+Shift+g = Group input: send input to all terminals in the window
  • Alt+w = Copy selection to primary
  • Alt+Up = Focus the terminal above
  • Alt+Down = Focus the terminal below
  • Alt+Left = Focus the terminal on the left
  • Alt+Right = Focus the terminal on the right
  • Ctrl+Alt+Equal = Font size up 1
  • Ctrl+Alt+Minus = Font size down 1
  • Ctrl+Alt+0 = Reset font size
  • Ctrl+Alt+9 = Big font size
  • Ctrl+Alt+t = Set terminal title
  • Ctrl+1 = switch to terminal tab 1
  • Ctrl+2 = switch to terminal tab 2
  • Ctrl+3 = switch to terminal tab 3
  • Ctrl+4 = switch to terminal tab 4
  • Ctrl+5 = switch to terminal tab 5
  • Ctrl+6 = switch to terminal tab 6
  • Ctrl+7 = switch to terminal tab 7
  • Ctrl+8 = switch to terminal tab 8
  • Ctrl+9 = switch to terminal tab 9
  • Ctrl+0 = switch to terminal tab 10

Companion tools

Terminology ships with a set of tools to help you get the best out of Terminology.

  • tyls: list directory contents with bells and whistles
  • tyalpha: set transparency level of the background
  • tybg: change the background image
  • tycat: display inline a media file or a URI
  • typop: display in a popup a media file or a URI
  • tyq: queue media files or URI to be popped up
  • tysend: send files to the terminal (useful through ssh)

Extended escapes for terminology only

[\033][}][COMMAND][\000] i.e.

  1. ESC char (\033 or 0x1b)
  2. } char
  3. a sequence of UTF8 chars other than nul (\000 or 0x00).
  4. \000 char (nul byte or 0x00 to indicate end of sequence)

e.g.

  `echo -n '\033}Hello world\000'`

Commands

In the following, any values inside square brackets [] are to be replaced by some content (numbers, strings, paths, url's etc.).

Examples:

  • aa[PATH-OF-FILE] should become something like: aa/tmp/file.png
  • aa[true/false] should become something like: aatrue or aafalse

Available commands

  • pn[FULL-PATH-OR-URL] popup the given media file/url now

  • pq[FULL-PATH-OR-URL] queue a popup for the given media file/url

  • bt[FULL-PATH-OR-URL] set the terminal background media file/url temporarily

  • bp[FULL-PATH-OR-URL] set the terminal background media file/url permanently

  • at[on/true/yes/off/false/no] set the terminal alpha state to be on, or off temporarily

  • ap[on/true/yes/off/false/no] set the terminal alpha state to be on, or off permanently

  • qs query grid and font size. stdin will have written to it: W;H;FW;FH\n

    • where W is the width of the terminal grid in characters
    • where H is the height of the terminal grid in characters
    • where FW is the width of 1 character cell in pixels
    • where FH is the height of 1 character cell in pixels
  • is[CW;H;FULL-PATH-OR-URL] insert Stretched media (where image will stretch to fill the cell area) and define expected cell area to be W cells wide and H cells high, with the image/media/url.

    • where C is the replace character to be identified in later text
    • where W is the width in character cells (up to 511).
    • where H is the height in character cells (up to 511).

    note that this escape alone has no effect. It indicates a future intention of inserting media into the terminal. the terminal will EXPECT a grid of WxH replace characters to follow, with each sequence of such replace characters beginning with a ib escape command and ending with an 'ie' escape command.

    the FULL-PATH-OR-URL for all the i commands (is, ic, if, it) may be of the form:

    • /full/path/to/file.png
    • OR /full/path/to/link\n/full/path/to/file.png where a newline character separates a URI for a link and a full path to a file to display in the region. the link is the destination URI when a user may click on the given media image.

    example:

      printf("\033}is#5;3;%s\000"
             "\033}ib\000#####\033}ie\000\n"
             "\033}ib\000#####\033}ie\000\n"
             "\033}ib\000#####\033}ie\000\n", "/tmp/icon.png");
    

    note that # is the replace character, and later # chars if inside begin/end escapes, will be replaced by the given media indicated in the insert media escape.

  • ic[CW;H;FULL-PATH-OR-URL] insert Centered media (centered in cell area). Otherwise parameters are identical to the is command, but retains aspect and is padded by blank space.

  • if[CW;H;FULL-PATH-OR-URL] insert Filled media (fill in cell area). Otherwise parameters are identical to the is command but ensures the entire area is filled like a background even if media goes beyond cell bounds and is clipped.

  • it[CW;H;FULL-PATH-OR-URL] insert Thumb media (thumbnail cell area). Otherwise parameters are identical to the is command, but uses thumbnail generation to make a fast to load but low resolution version (cached) of the media.

  • it[CW;H;LINK\nFULL-PATH-OR-URL] insert Thumb media with link (thumbnail cell area). Otherwise parameters are identical to the is command, but uses thumbnail generation to make a fast to load but low resolution version (cached) of the media. LINK is a path (or url) to open when the thumb is clicked on by the user.

  • ij[CW;H;FULL-PATH\nGROUP][\n][cmd1][\r\n][cmd2]... insert Edje object with file path given, and the group name given. The command list (and the \n whitespace delimiter before the list) is optional, but is executed/parsed before display of the actual object to do things like initialize its initial state. See iC command for more details on the command list.

    Be aware that once you have an object with an assigned channel id, it can send back signals and messages via escapes on stdin. These escapes will follow terminology extended escape format (ESC + } ... \000), and the content will be one of:

    • ;CHID\ndrag\nPART NAME\nVAL1\nVAL2
    • ;CHID\ndrag,start\nPART NAME\nVAL1\nVAL2
    • ;CHID\ndrag,stop\nPART NAME\nVAL1\nVAL2
    • ;CHID\ndrag,step\nPART NAME\nVAL1\nVAL2
    • ;CHID\drag,set\nPART NAME\nVAL1\nVAL2
    • signal;CHID\nSIGNAL STRING\nSOURCE STRING
    • message;CHID\nOPCODE ID\nstring\nSTRING1
    • message;CHID\nOPCODE ID\nint\nINT1
    • message;CHID\nOPCODE ID\nfloat\nFLOAT1
    • message;CHID\nOPCODE ID\nstring_set\nSTRING1\nSTRING2\nSTRING3...
    • message;CHID\nOPCODE ID\nint_set\nINT1\nINT2\nINT3...
    • message;CHID\nOPCODE ID\nfloat_set\nFLOAT1\nFLOAT2\nFLOAT3...
    • message;CHID\nOPCODE ID\nstring_int\nSTRING1\nINT1
    • message;CHID\nOPCODE ID\nstring_float\nSTRING1\nFLOAT1
    • message;CHID\nOPCODE ID\nstring_int_set\nSTRING1\nINT1\nINT2\nINT3...
    • message;CHID\nOPCODE ID\nstring_float_set\nSTRING1\nFLOAT1\nFLOAT2\nFLOAT3...
  • iC[CHID]\n[cmd1][\r\n][cmd2][\r\n][cmd3]... send a Command (cmd1, cmd2, cmd3 etc.) to an existing named channel id CHID. this can be a list of 1 or more command strings, with each string broken by a continuous sequence of 1 or more \r and/or \n characters. e.g. \n, \r, \r\n, \n\r, \n\r\n\n\n, etc.

    commands understood are:

    • text\nPART NAME\nTEXT STRING set the text of PART NAME to string TEXT STRING
    • emit\nSIGNAL STRING\nSOURCE STRING emit signal SIGNAL STRING SOURCE STRING
    • drag\nPART NAME\n[value|size|step|page]\nVAL1\nVAL2 manipulate dragable of name PART NAME and either set value, size, step or page properties to VAL1 and VAL2 for x and y, where VAL1 and VAL2 are floating point values
    • chid\nCHANNEL ID set the channel id of a given edje object (only valid in setup commands for the inline edje object) to CHANNEL ID so it can be addressed later.
    • message\nOPCODE ID\n[string|int|float|string_set|int_set|... float_set|string|int|string_float|string_int_set|... string_float_set]\n[message data] send a message with opcode (integer) id OPCODE ID of one of the given types supported (string, int, float, etc.) and then with the given message data at the end. message data format depends on message type:
      • string: STRING1
      • int: INT1
      • float: FLOAT1
      • string_set: STRING1\nSTRING2\nSTRING3...
      • int_set: INT1\nINT2\nINT3...
      • float_set: FLOAT1\nFLOAT2\nFLOAT3...
      • string_int: STRING1\nINT1
      • string_float: STRING1\nFLOAT1
      • string_int_set: STRING1\nINT1\nINT2\nINT3...
      • string_float_set: STRING1\nFLOAT1\nFLOAT2\nFLOAT3...
  • ib begin media replace sequence run

  • ie end media replace sequence run

  • fr[PATH/FILE] begin file send for a file named PATH / FILE

  • fs[SIZE_BYTES] set the size in bytes of a file send started with the above fr escape

  • fd[CHECKSUM DATA] block of data for the current file transfer with checksum as a string decimal which is the sum of every byte when taken as an unsigned char per byte. the checksum is a signed 32bit integer. the checksum is the sum of the data after escaping. 4 bits at a time per data byte, encoded with high bits in one byte then low bits, with the bits encoded as 4 bit value being 0x40 + 4 bit value per byte. (@ == 0x0, A == 0x1, B == 0x2, ... N == 0xe, O == 0xf). so to rebuild a byte will be (((bytes[0] - 0x40) & 0xf) << 4) | ((bytes[1] - 0x40) & 0xf) per byte pair in the data block.

  • fx exit file send mode (normally at the end of the file or when it's complete)

Compiling and Installing

Meson is the build system used for this project. For more information please see mesonbuild.com

You will need normal build tooling installed such as a compiler (gcc or clang for example), pkg-config, ninja, any relevant package-dev or package-devel packages if your distribution splits out development headers (e.g. libc6-dev) etc.

Depending on where dependencies (like efl) are installed, you might have to set your PKG_CONFIG_PATH environment variable like:

export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig

Also note that some distributions like to add extra arch directories to your library locations so you might have to have more like:

export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/local/lib64/pkgconfig:/usr/local/lib/x86_64-linux-gnu/pkgconfig:/usr/lib/pkgconfig:/usr/lib64/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfig

You will need to ensure that the destination library directory (e.g. /usr/local/lib is in your /etc/ld.so.conf or /etc/ld.so.conf.d/ files and after installing anything that installs libraries you re-run ldconfig. Please see relevant documentation on ldconfig and ld.so.conf for your distribution.

You might also want to add the destination bin dir to your environment variable PATH (see documentation on your shell PATH variable) such as:

export PATH=/usr/local/bin:/usr/bin:/bin

Normal compilation in /usr/local:

meson . build
ninja -C build
sudo ninja -C build install

For meson build generic options:

meson --help

For a list of project specific options supported:

cat meson_options.txt

To set 1 or more project specific options:

meson --prefix=/path/to -Doption=value [-Dother=value2] [...] . build

To display current configuration:

meson configure build

The above will only work after at least the following is done:

meson . build

Quick build help

How to clean out the build and config and start fresh:

rm -rf build

How to make a dist tarball and check its build: (must do it from git tree clone and commit all changes to git first)

ninja -C build dist

How to change prefix:

meson --prefix=/path/to/prefix . build

How to install in a specific destination directory for packaging:

DESTDIR=/path/to/destdir ninja -C build install

How to build with verbose output (full commands run):

ninja -C build -v