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foot/CHANGELOG.md
Daniel Eklöf 4283a8c51b
utf8: add support for unicode combining characters 
This feature lets foot combine e.g. "a\u0301" to "á".

We first check if the current character (that we're about to print) is
a combining character, by checking if it's in one of the following
ranges:

* Combining Diacritical Marks (0300–036F), since version 1.0, with
  modifications in subsequent versions down to 4.1
* Combining Diacritical Marks Extended (1AB0–1AFF), version 7.0
* Combining Diacritical Marks Supplement (1DC0–1DFF), versions 4.1 to 5.2
* Combining Diacritical Marks for Symbols (20D0–20FF), since version
  1.0, with modifications in subsequent versions down to 5.1
* Combining Half Marks (FE20–FE2F), versions 1.0, with modifications
  in subsequent versions down to 8.0

If it is, we check if the last cell appears to contain a valid symbol,
and if so, we attempt to compose (combine) the last cell with the
current character, using utf8proc.

If the result is a combined character, we replace the content in the
previous cell with the new, combined character.

Thus, if you select and copy the printed character, you would get
e.g. "\u00e1" instead of "a\u0301".

This feature can be disabled. By default, it is enabled if the
utf8proc library is found, but can be explicitly disabled, or enabled,
with 'meson -Dunicode-combining=disabled|enabled'.
2020-04-27 12:13:30 +02:00

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Changelog

Unreleased

Added

  • User configurable key- and mouse bindings. See man 5 foot and the example footrc (https://codeberg.org/dnkl/foot/issues/1)
  • initial-window-mode option to footrc, that lets you control the initial mode for each newly spawned window: windowed, maximized or fullscreen.
  • app-id option to footrc and --app-id command line option, that sets the app-id property on the Wayland window.
  • title option to footrc and --title command line option, that sets the initial window title.
  • Right mouse button extends the current selection.
  • CSI Ps ; Ps ; Ps t escape sequences for the following parameters: 11t, 13t, 13;2t, 14t, 14;2t, 15t, 19t.
  • (Optional) spport for unicode combining characters. For example, a\u0301 will be combined to á (\u00e1). Note that copying the printed character to the clipboard/primary selection will copy the byte \u00e1 and not \u0061\u0301. It requires utf8proc. By default, the feature is enabled if utf8proc is found. However, it can also be explicitly disabled (or enabled) with meson -Dunicode-combining=enabled|disabled)

Changed

  • Spaces no longer removed from zsh font name completions.
  • Default key binding for spawn-terminal to ctrl+shift+n.
  • Renderer is now much faster with interactive scrolling (https://codeberg.org/dnkl/foot/issues/4)
  • memfd sealing failures are no longer fatal errors.
  • Selection to no longer be cleared on resize.
  • The current monitor's subpixel order (RGB/BGR/V-RGB/V-BGR) is preferred over FontConfig's rgba property. Only if the monitor's subpixel order is unknown is FontConfig's rgba property used. If the subpixel order is none, then grayscale antialiasing is used. The subpixel order is ignored if antialiasing has been disabled.

Deprecated

Removed

  • Keyboard/pointer handler workarounds for Sway 1.2.

Fixed

  • Sixel images moved or deleted on window resize.
  • Cursor sometimes incorrectly restored on exit from alternate screen.
  • 'Underline' cursor being invisible on underlined text.
  • Restored cursor position in 'normal' screen when window was resized while in 'alt' screen.
  • Hostname in OSC 7 URI not being validated.
  • OSC 4 with multiple c;spec pairs.
  • Alt+Return to emit "ESC \r".
  • Trackpad sloooow scrolling to eventually scroll a line.
  • Memory leak in terminal reset.
  • Translation of cursor coordinates on resize

Security

1.2.3

Fixed

  • Forgot to version bump 1.2.2

1.2.2

Changed

  • Changed icon name in foot.desktop and foot-server.desktop from terminal to utilities-terminal.
  • XDG_SESSION_ID is now included in the server/daemon default socket path.

Fixed

1.2.1

Fixed

  • Building AUR package

1.2.0

Added

  • Run-time text resize using ctrl-+, ctrl+- and ctrl+0
  • Font size adjusts dynamically to outputs' DPI
  • Reflow text when resizing window
  • pad option to footrc
  • login-shell option to footrc and --login-shell command line option
  • Client side decorations (CSDs). This finally makes foot usable on GNOME.
  • Sixel graphics support
  • OSC 12 and 112 escape sequences (set/reset text cursor color)
  • REP CSI escape sequence
  • oc to terminfo
  • foot-server.desktop file
  • Window and cell size reporting escape sequences
  • --hold command line option
  • --print-pid=FILE|FD command line option

Changed

  • Subpixel antialiasing is only enabled when background is opaque
  • Meta/alt ESC prefix can now be disabled with \E[?1036l. In this mode, the 8:th bit is set and the result is UTF-8 encoded. This can also be disabled with \E[1024l (in which case the Alt key is effectively being ignored).
  • terminfo now uses ST instead of BEL as OSC terminator
  • Logging to print to stderr, not stdout
  • Backspace now emits DEL (^?), and ctrl+backspace emits BS (^H)

Removed

  • '28' from DA response