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toyterm

toyterm is a toy terminal emulator for Linux.

Features/Limitations

• hardware accelerated graphics
• support for SIXEL graphics
• support for X11 clipboard (copying & pasting)
• manual font fallback: you can specify the order of fonts for each style
• support for mouse reporting
• (optional) support for multiplexing
• toyterm assumes UTF-8 encoding
• following basic functions are TODO
  • automatic font selection by integrating with fontconfig
  • support for operating systems other than Linux

Usage

To install:

$ git clone https://github.com/algon-320/toyterm
$ cd toyterm
$ tic -x -o "$HOME/.terminfo/" toyterm.info
$ cargo install --path .

• To enable multiplexing feature, please add "--features multiplex" to the last line.
• To install the terminfo globally, please do $ sudo tic -x toyterm.info instead.

To configure:

$ mkdir -p "$HOME/.config/toyterm"
$ cp ./config.toml "$HOME/.config/toyterm"
$ $EDITOR "$HOME/.config/toyterm/config.toml"

To uninstall:

$ rm "$HOME/.terminfo/t/toyterm-256color"
$ cargo uninstall toyterm
$ rm -r "$HOME/.config/toyterm"

• If you would like to remove the globally installed terminfo, please try $ sudo rm /usr/share/terminfo/t/toyterm-256color too.

Keybinding

If feature multiplex is enalbed:

Control Functions

toyterm aims to support the standard control functions described in ECMA-48. Some private functions, widely used by modern terminals, may be supported as well. Currently toyterm supports the following functions.

C0 functions

• BS
• CR
• ESC
• FF
• HT
• LF
• VT

C1 functions

• CSI

Control Sequences

• CHA

• CUB

• CUD

• CUF

• CUP

• CUU

• DCH

• DL

• DSR

• ECH

• ED

• EL

• HVP

• ICH

• IL

• RM

• SGR

  • Default: \e[0m, \e[m
  • Bold: \e[1m
  • Faint: \e[2m
  • Blinking (slow): \e[5m
  • Blinking (rapid): \e[6m
  • Negative: \e[7m
  • Consealed: \e[8m
  • Foreground Black, Red, Green, Yellow, Blue, Magenta, Cyan, White: \e[30m..\e[37m
  • Foreground Black, Red, Green, Yellow, Blue, Magenta, Cyan, White (Bright): \e[90m..\e[97m
  • Foreground Default: \e[39m
  • Foreground Gaming: \e[70m
  • Foreground RGB: \e[38;2;{R};{G};{B}m
  • Foreground 256 color: \e[38;5;{idx}m
  • Background Black, Red, Green, Yellow, Blue, Magenta, Cyan, White: \e[40m..\e[47m
  • Background Black, Red, Green, Yellow, Blue, Magenta, Cyan, White (Bright): \e[100m..\e[107m
  • Background Default: \e[49m
  • Background Gaming: \e[80m
  • Background RGB: \e[48;2;{R};{G};{B}m
  • Background 256 color: \e[48;5;{idx}m

• SM

• VPA

• SetScrollRegion (DECSTBM): \e[{top};{bottom}r

• SelectCursorStyle:

  • Default (Block): \e[0 q
  • Block: \e[2 q
  • Underline: \e[4 q
  • Bar: \e[6 q

Device Control Function

• DCS q (sixel string...) ST
  • see https://www.vt100.net/docs/vt3xx-gp/chapter14.html for the representation

Other Sequences

• SaveCursor (DECSC): \e7
• RestoreCursor (DECRC): \e8

Modes

toyterm supports the following modes.

• Cursor Visible Mode (?25)
  • Set: cursor is visible.
  • Reset: cursor is invisible.
• Sixel Scrolling Mode (?80)
  • Set: a sixel image is displayed at the current cursor position.
  • Reset: a sixel image is displayed at the upper left corner of the screen.
• Normal Mouse Tracking (?1000)
  • Set: enable sending mouse report
  • Reset: disable sending mouse report
• SGR Extended Mode Mouse Tracking (?1006)
  • Set: enable SGR extended mode mouse tracking, change response of mouse click
  • Reset: disable SGR extended mode mouse tracking
• Alternate Screen Buffer Mode (?1049)
  • Set: clear the screen, save the cursor position, and switch to the alternate screen.
  • Reset: restore the saved cursor position, and switch back to the primary screen.
• Bracketed Paste Mode (?2004)
  • Set: insert \x1b[200~ at the beginning and \x1b[201~ at the end of a pasted text.
  • Reset: a pasted text is send to the terminal as if it was typed by user.

License

This software is licensed under MIT License.

The embedded fonts (M PLUS 1 Code) are redistributed under the Open Font License (OFL). See also src/font/OFL.txt for more details.