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kitty.conf
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kitty.conf
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# vim:fileencoding=utf-8:foldmethod=marker
#: Fonts {{{
#: kitty has very powerful font management. You can configure
#: individual font faces and even specify special fonts for particular
#: characters.
font_family Monocraft
bold_font auto
italic_font auto
bold_italic_font auto
#: You can specify different fonts for the bold/italic/bold-italic
#: variants. To get a full list of supported fonts use the `kitty
#: +list-fonts` command. By default they are derived automatically, by
#: the OSes font system. When bold_font or bold_italic_font is set to
#: auto on macOS, the priority of bold fonts is semi-bold, bold,
#: heavy. Setting them manually is useful for font families that have
#: many weight variants like Book, Medium, Thick, etc. For example::
#: font_family Operator Mono Book
#: bold_font Operator Mono Medium
#: italic_font Operator Mono Book Italic
#: bold_italic_font Operator Mono Medium Italic
font_size 10.0
#: Font size (in pts)
force_ltr no
#: kitty does not support BIDI (bidirectional text), however, for RTL
#: scripts, words are automatically displayed in RTL. That is to say,
#: in an RTL script, the words "HELLO WORLD" display in kitty as
#: "WORLD HELLO", and if you try to select a substring of an RTL-
#: shaped string, you will get the character that would be there had
#: the the string been LTR. For example, assuming the Hebrew word
#: ירושלים, selecting the character that on the screen appears to be ם
#: actually writes into the selection buffer the character י. kitty's
#: default behavior is useful in conjunction with a filter to reverse
#: the word order, however, if you wish to manipulate RTL glyphs, it
#: can be very challenging to work with, so this option is provided to
#: turn it off. Furthermore, this option can be used with the command
#: line program GNU FriBidi
#: <https://github.com/fribidi/fribidi#executable> to get BIDI
#: support, because it will force kitty to always treat the text as
#: LTR, which FriBidi expects for terminals.
# symbol_map
#: E.g. symbol_map U+E0A0-U+E0A3,U+E0C0-U+E0C7 PowerlineSymbols
#: Map the specified Unicode codepoints to a particular font. Useful
#: if you need special rendering for some symbols, such as for
#: Powerline. Avoids the need for patched fonts. Each Unicode code
#: point is specified in the form `U+<code point in hexadecimal>`. You
#: can specify multiple code points, separated by commas and ranges
#: separated by hyphens. This option can be specified multiple times.
#: The syntax is::
#: symbol_map codepoints Font Family Name
# narrow_symbols
#: E.g. narrow_symbols U+E0A0-U+E0A3,U+E0C0-U+E0C7 1
#: Usually, for Private Use Unicode characters and some symbol/dingbat
#: characters, if the character is followed by one or more spaces,
#: kitty will use those extra cells to render the character larger, if
#: the character in the font has a wide aspect ratio. Using this
#: option you can force kitty to restrict the specified code points to
#: render in the specified number of cells (defaulting to one cell).
#: This option can be specified multiple times. The syntax is::
#: narrow_symbols codepoints [optionally the number of cells]
disable_ligatures never
#: Choose how you want to handle multi-character ligatures. The
#: default is to always render them. You can tell kitty to not render
#: them when the cursor is over them by using cursor to make editing
#: easier, or have kitty never render them at all by using always, if
#: you don't like them. The ligature strategy can be set per-window
#: either using the kitty remote control facility or by defining
#: shortcuts for it in kitty.conf, for example::
#: map alt+1 disable_ligatures_in active always
#: map alt+2 disable_ligatures_in all never
#: map alt+3 disable_ligatures_in tab cursor
#: Note that this refers to programming ligatures, typically
#: implemented using the calt OpenType feature. For disabling general
#: ligatures, use the font_features option.
# font_features
#: E.g. font_features none
#: Choose exactly which OpenType features to enable or disable. This
#: is useful as some fonts might have features worthwhile in a
#: terminal. For example, Fira Code includes a discretionary feature,
#: zero, which in that font changes the appearance of the zero (0), to
#: make it more easily distinguishable from Ø. Fira Code also includes
#: other discretionary features known as Stylistic Sets which have the
#: tags ss01 through ss20.
#: For the exact syntax to use for individual features, see the
#: HarfBuzz documentation <https://harfbuzz.github.io/harfbuzz-hb-
#: common.html#hb-feature-from-string>.
#: Note that this code is indexed by PostScript name, and not the font
#: family. This allows you to define very precise feature settings;
#: e.g. you can disable a feature in the italic font but not in the
#: regular font.
#: On Linux, font features are first read from the FontConfig database
#: and then this option is applied, so they can be configured in a
#: single, central place.
#: To get the PostScript name for a font, use `kitty +list-fonts
#: --psnames`:
#: .. code-block:: sh
#: $ kitty +list-fonts --psnames | grep Fira
#: Fira Code
#: Fira Code Bold (FiraCode-Bold)
#: Fira Code Light (FiraCode-Light)
#: Fira Code Medium (FiraCode-Medium)
#: Fira Code Regular (FiraCode-Regular)
#: Fira Code Retina (FiraCode-Retina)
#: The part in brackets is the PostScript name.
#: Enable alternate zero and oldstyle numerals::
#: font_features FiraCode-Retina +zero +onum
#: Enable only alternate zero in the bold font::
#: font_features FiraCode-Bold +zero
#: Disable the normal ligatures, but keep the calt feature which (in
#: this font) breaks up monotony::
#: font_features TT2020StyleB-Regular -liga +calt
#: In conjunction with force_ltr, you may want to disable Arabic
#: shaping entirely, and only look at their isolated forms if they
#: show up in a document. You can do this with e.g.::
#: font_features UnifontMedium +isol -medi -fina -init
# modify_font
#: Modify font characteristics such as the position or thickness of
#: the underline and strikethrough. The modifications can have the
#: suffix px for pixels or % for percentage of original value. No
#: suffix means use pts. For example::
#: modify_font underline_position -2
#: modify_font underline_thickness 150%
#: modify_font strikethrough_position 2px
#: Additionally, you can modify the size of the cell in which each
#: font glyph is rendered and the baseline at which the glyph is
#: placed in the cell. For example::
#: modify_font cell_width 80%
#: modify_font cell_height -2px
#: modify_font baseline 3
#: Note that modifying the baseline will automatically adjust the
#: underline and strikethrough positions by the same amount.
#: Increasing the baseline raises glyphs inside the cell and
#: decreasing it lowers them. Decreasing the cell size might cause
#: rendering artifacts, so use with care.
box_drawing_scale 0.001, 1, 1.5, 2
#: The sizes of the lines used for the box drawing Unicode characters.
#: These values are in pts. They will be scaled by the monitor DPI to
#: arrive at a pixel value. There must be four values corresponding to
#: thin, normal, thick, and very thick lines.
undercurl_style thin-sparse
#: The style with which undercurls are rendered. This option takes the
#: form (thin|thick)-(sparse|dense). Thin and thick control the
#: thickness of the undercurl. Sparse and dense control how often the
#: curl oscillates. With sparse the curl will peak once per character,
#: with dense twice.
#: }}}
#: Cursor customization {{{
cursor none
#: Default cursor color. If set to the special value none the cursor
#: will be rendered with a "reverse video" effect. It's color will be
#: the color of the text in the cell it is over and the text will be
#: rendered with the background color of the cell. Note that if the
#: program running in the terminal sets a cursor color, this takes
#: precedence. Also, the cursor colors are modified if the cell
#: background and foreground colors have very low contrast.
# cursor_text_color background
#: The color of text under the cursor. If you want it rendered with
#: the background color of the cell underneath instead, use the
#: special keyword: background. Note that if cursor is set to none
#: then this option is ignored.
cursor_shape block
#: The cursor shape can be one of block, beam, underline. Note that
#: when reloading the config this will be changed only if the cursor
#: shape has not been set by the program running in the terminal. This
#: sets the default cursor shape, applications running in the terminal
#: can override it. In particular, shell integration
#: <https://sw.kovidgoyal.net/kitty/shell-integration/> in kitty sets
#: the cursor shape to beam at shell prompts. You can avoid this by
#: setting shell_integration to no-cursor.
cursor_beam_thickness 1.5
#: The thickness of the beam cursor (in pts).
cursor_underline_thickness 2.0
#: The thickness of the underline cursor (in pts).
cursor_blink_interval -1
#: The interval to blink the cursor (in seconds). Set to zero to
#: disable blinking. Negative values mean use system default. Note
#: that the minimum interval will be limited to repaint_delay.
cursor_stop_blinking_after 15.0
#: Stop blinking cursor after the specified number of seconds of
#: keyboard inactivity. Set to zero to never stop blinking.
#: }}}
#: Scrollback {{{
scrollback_lines 2000
#: Number of lines of history to keep in memory for scrolling back.
#: Memory is allocated on demand. Negative numbers are (effectively)
#: infinite scrollback. Note that using very large scrollback is not
#: recommended as it can slow down performance of the terminal and
#: also use large amounts of RAM. Instead, consider using
#: scrollback_pager_history_size. Note that on config reload if this
#: is changed it will only affect newly created windows, not existing
#: ones.
scrollback_pager less --chop-long-lines --RAW-CONTROL-CHARS +INPUT_LINE_NUMBER
#: Program with which to view scrollback in a new window. The
#: scrollback buffer is passed as STDIN to this program. If you change
#: it, make sure the program you use can handle ANSI escape sequences
#: for colors and text formatting. INPUT_LINE_NUMBER in the command
#: line above will be replaced by an integer representing which line
#: should be at the top of the screen. Similarly CURSOR_LINE and
#: CURSOR_COLUMN will be replaced by the current cursor position or
#: set to 0 if there is no cursor, for example, when showing the last
#: command output.
scrollback_pager_history_size 0
#: Separate scrollback history size (in MB), used only for browsing
#: the scrollback buffer with pager. This separate buffer is not
#: available for interactive scrolling but will be piped to the pager
#: program when viewing scrollback buffer in a separate window. The
#: current implementation stores the data in UTF-8, so approximatively
#: 10000 lines per megabyte at 100 chars per line, for pure ASCII,
#: unformatted text. A value of zero or less disables this feature.
#: The maximum allowed size is 4GB. Note that on config reload if this
#: is changed it will only affect newly created windows, not existing
#: ones.
scrollback_fill_enlarged_window no
#: Fill new space with lines from the scrollback buffer after
#: enlarging a window.
wheel_scroll_multiplier 5.0
#: Multiplier for the number of lines scrolled by the mouse wheel.
#: Note that this is only used for low precision scrolling devices,
#: not for high precision scrolling devices on platforms such as macOS
#: and Wayland. Use negative numbers to change scroll direction. See
#: also wheel_scroll_min_lines.
wheel_scroll_min_lines 1
#: The minimum number of lines scrolled by the mouse wheel. The scroll
#: multiplier wheel_scroll_multiplier only takes effect after it
#: reaches this number. Note that this is only used for low precision
#: scrolling devices like wheel mice that scroll by very small amounts
#: when using the wheel. With a negative number, the minimum number of
#: lines will always be added.
touch_scroll_multiplier 1.0
#: Multiplier for the number of lines scrolled by a touchpad. Note
#: that this is only used for high precision scrolling devices on
#: platforms such as macOS and Wayland. Use negative numbers to change
#: scroll direction.
#: }}}
#: Mouse {{{
mouse_hide_wait 3.0
#: Hide mouse cursor after the specified number of seconds of the
#: mouse not being used. Set to zero to disable mouse cursor hiding.
#: Set to a negative value to hide the mouse cursor immediately when
#: typing text. Disabled by default on macOS as getting it to work
#: robustly with the ever-changing sea of bugs that is Cocoa is too
#: much effort.
url_color #0087bd
url_style curly
#: The color and style for highlighting URLs on mouse-over. url_style
#: can be one of: none, straight, double, curly, dotted, dashed.
open_url_with default
#: The program to open clicked URLs. The special value default with
#: first look for any URL handlers defined via the open_actions
#: <https://sw.kovidgoyal.net/kitty/open_actions/> facility and if non
#: are found, it will use the Operating System's default URL handler
#: (open on macOS and xdg-open on Linux).
url_prefixes file ftp ftps gemini git gopher http https irc ircs kitty mailto news sftp ssh
#: The set of URL prefixes to look for when detecting a URL under the
#: mouse cursor.
detect_urls yes
#: Detect URLs under the mouse. Detected URLs are highlighted with an
#: underline and the mouse cursor becomes a hand over them. Even if
#: this option is disabled, URLs are still clickable.
# url_excluded_characters
#: Additional characters to be disallowed from URLs, when detecting
#: URLs under the mouse cursor. By default, all characters that are
#: legal in URLs are allowed.
show_hyperlink_targets no
#: When the mouse hovers over a terminal hyperlink, show the actual
#: URL that will be activated when the hyperlink is clicked.
copy_on_select no
#: Copy to clipboard or a private buffer on select. With this set to
#: clipboard, selecting text with the mouse will cause the text to be
#: copied to clipboard. Useful on platforms such as macOS that do not
#: have the concept of primary selection. You can instead specify a
#: name such as a1 to copy to a private kitty buffer. Map a shortcut
#: with the paste_from_buffer action to paste from this private
#: buffer. For example::
#: copy_on_select a1
#: map shift+cmd+v paste_from_buffer a1
#: Note that copying to the clipboard is a security risk, as all
#: programs, including websites open in your browser can read the
#: contents of the system clipboard.
paste_actions quote-urls-at-prompt
#: A comma separated list of actions to take when pasting text into
#: the terminal. The supported paste actions are:
#: quote-urls-at-prompt:
#: If the text being pasted is a URL and the cursor is at a shell prompt,
#: automatically quote the URL (needs shell_integration).
#: confirm:
#: Confirm the paste if bracketed paste mode is not active or there is more
#: a large amount of text being pasted.
#: filter:
#: Run the filter_paste() function from the file paste-actions.py in
#: the kitty config directory on the pasted text. The text returned by the
#: function will be actually pasted.
strip_trailing_spaces never
#: Remove spaces at the end of lines when copying to clipboard. A
#: value of smart will do it when using normal selections, but not
#: rectangle selections. A value of always will always do it.
select_by_word_characters @-./_~?&=%+#
#: Characters considered part of a word when double clicking. In
#: addition to these characters any character that is marked as an
#: alphanumeric character in the Unicode database will be matched.
# select_by_word_characters_forward
#: Characters considered part of a word when extending the selection
#: forward on double clicking. In addition to these characters any
#: character that is marked as an alphanumeric character in the
#: Unicode database will be matched.
#: If empty (default) select_by_word_characters will be used for both
#: directions.
click_interval -1.0
#: The interval between successive clicks to detect double/triple
#: clicks (in seconds). Negative numbers will use the system default
#: instead, if available, or fallback to 0.5.
focus_follows_mouse no
#: Set the active window to the window under the mouse when moving the
#: mouse around.
pointer_shape_when_grabbed arrow
#: The shape of the mouse pointer when the program running in the
#: terminal grabs the mouse. Valid values are: arrow, beam and hand.
default_pointer_shape beam
#: The default shape of the mouse pointer. Valid values are: arrow,
#: beam and hand.
pointer_shape_when_dragging beam
#: The default shape of the mouse pointer when dragging across text.
#: Valid values are: arrow, beam and hand.
#: Mouse actions {{{
#: Mouse buttons can be mapped to perform arbitrary actions. The
#: syntax is:
#: .. code-block:: none
#: mouse_map button-name event-type modes action
#: Where button-name is one of left, middle, right, b1 ... b8 with
#: added keyboard modifiers. For example: ctrl+shift+left refers to
#: holding the Ctrl+Shift keys while clicking with the left mouse
#: button. The value b1 ... b8 can be used to refer to up to eight
#: buttons on a mouse.
#: event-type is one of press, release, doublepress, triplepress,
#: click, doubleclick. modes indicates whether the action is performed
#: when the mouse is grabbed by the program running in the terminal,
#: or not. The values are grabbed or ungrabbed or a comma separated
#: combination of them. grabbed refers to when the program running in
#: the terminal has requested mouse events. Note that the click and
#: double click events have a delay of click_interval to disambiguate
#: from double and triple presses.
#: You can run kitty with the kitty --debug-input command line option
#: to see mouse events. See the builtin actions below to get a sense
#: of what is possible.
#: If you want to unmap an action, map it to no_op. For example, to
#: disable opening of URLs with a plain click::
#: mouse_map left click ungrabbed no_op
#: See all the mappable actions including mouse actions here
#: <https://sw.kovidgoyal.net/kitty/actions/>.
#: .. note::
#: Once a selection is started, releasing the button that started it will
#: automatically end it and no release event will be dispatched.
clear_all_mouse_actions no
#: Remove all mouse action definitions up to this point. Useful, for
#: instance, to remove the default mouse actions.
#: Click the link under the mouse or move the cursor
mouse_map left click ungrabbed mouse_handle_click selection link prompt
#:: First check for a selection and if one exists do nothing. Then
#:: check for a link under the mouse cursor and if one exists, click
#:: it. Finally check if the click happened at the current shell
#:: prompt and if so, move the cursor to the click location. Note
#:: that this requires shell integration
#:: <https://sw.kovidgoyal.net/kitty/shell-integration/> to work.
#: Click the link under the mouse or move the cursor even when grabbed
mouse_map shift+left click grabbed,ungrabbed mouse_handle_click selection link prompt
#:: Same as above, except that the action is performed even when the
#:: mouse is grabbed by the program running in the terminal.
#: Click the link under the mouse cursor
mouse_map ctrl+shift+left release grabbed,ungrabbed mouse_handle_click link
#:: Variant with Ctrl+Shift is present because the simple click based
#:: version has an unavoidable delay of click_interval, to
#:: disambiguate clicks from double clicks.
#: Discard press event for link click
mouse_map ctrl+shift+left press grabbed discard_event
#:: Prevent this press event from being sent to the program that has
#:: grabbed the mouse, as the corresponding release event is used to
#:: open a URL.
#: Paste from the primary selection
mouse_map middle release ungrabbed paste_from_selection
#: Start selecting text
mouse_map left press ungrabbed mouse_selection normal
#: Start selecting text in a rectangle
mouse_map ctrl+alt+left press ungrabbed mouse_selection rectangle
#: Select a word
mouse_map left doublepress ungrabbed mouse_selection word
#: Select a line
mouse_map left triplepress ungrabbed mouse_selection line
#: Select line from point
mouse_map ctrl+alt+left triplepress ungrabbed mouse_selection line_from_point
#:: Select from the clicked point to the end of the line.
#: Extend the current selection
mouse_map right press ungrabbed mouse_selection extend
#:: If you want only the end of the selection to be moved instead of
#:: the nearest boundary, use move-end instead of extend.
#: Paste from the primary selection even when grabbed
mouse_map shift+middle release ungrabbed,grabbed paste_selection
mouse_map shift+middle press grabbed discard_event
#: Start selecting text even when grabbed
mouse_map shift+left press ungrabbed,grabbed mouse_selection normal
#: Start selecting text in a rectangle even when grabbed
mouse_map ctrl+shift+alt+left press ungrabbed,grabbed mouse_selection rectangle
#: Select a word even when grabbed
mouse_map shift+left doublepress ungrabbed,grabbed mouse_selection word
#: Select a line even when grabbed
mouse_map shift+left triplepress ungrabbed,grabbed mouse_selection line
#: Select line from point even when grabbed
mouse_map ctrl+shift+alt+left triplepress ungrabbed,grabbed mouse_selection line_from_point
#:: Select from the clicked point to the end of the line even when
#:: grabbed.
#: Extend the current selection even when grabbed
mouse_map shift+right press ungrabbed,grabbed mouse_selection extend
#: Show clicked command output in pager
mouse_map ctrl+shift+right press ungrabbed mouse_show_command_output
#:: Requires shell integration
#:: <https://sw.kovidgoyal.net/kitty/shell-integration/> to work.
#: }}}
#: }}}
#: Performance tuning {{{
repaint_delay 10
#: Delay between screen updates (in milliseconds). Decreasing it,
#: increases frames-per-second (FPS) at the cost of more CPU usage.
#: The default value yields ~100 FPS which is more than sufficient for
#: most uses. Note that to actually achieve 100 FPS, you have to
#: either set sync_to_monitor to no or use a monitor with a high
#: refresh rate. Also, to minimize latency when there is pending input
#: to be processed, this option is ignored.
input_delay 3
#: Delay before input from the program running in the terminal is
#: processed (in milliseconds). Note that decreasing it will increase
#: responsiveness, but also increase CPU usage and might cause flicker
#: in full screen programs that redraw the entire screen on each loop,
#: because kitty is so fast that partial screen updates will be drawn.
sync_to_monitor yes
#: Sync screen updates to the refresh rate of the monitor. This
#: prevents screen tearing
#: <https://en.wikipedia.org/wiki/Screen_tearing> when scrolling.
#: However, it limits the rendering speed to the refresh rate of your
#: monitor. With a very high speed mouse/high keyboard repeat rate,
#: you may notice some slight input latency. If so, set this to no.
#: }}}
#: Terminal bell {{{
enable_audio_bell no
#: The audio bell. Useful to disable it in environments that require
#: silence.
visual_bell_duration 0.0
#: The visual bell duration (in seconds). Flash the screen when a bell
#: occurs for the specified number of seconds. Set to zero to disable.
visual_bell_color none
#: The color used by visual bell. Set to none will fall back to
#: selection background color. If you feel that the visual bell is too
#: bright, you can set it to a darker color.
window_alert_on_bell yes
#: Request window attention on bell. Makes the dock icon bounce on
#: macOS or the taskbar flash on linux.
bell_on_tab "🔔 "
#: Some text or a Unicode symbol to show on the tab if a window in the
#: tab that does not have focus has a bell. If you want to use leading
#: or trailing spaces, surround the text with quotes. See
#: tab_title_template for how this is rendered.
#: For backwards compatibility, values of yes, y and true are
#: converted to the default bell symbol and no, n, false and none are
#: converted to the empty string.
command_on_bell none
#: Program to run when a bell occurs. The environment variable
#: KITTY_CHILD_CMDLINE can be used to get the program running in the
#: window in which the bell occurred.
bell_path none
#: Path to a sound file to play as the bell sound. If set to none, the
#: system default bell sound is used. Must be in a format supported by
#: the operating systems sound API, such as WAV or OGA on Linux
#: (libcanberra) or AIFF, MP3 or WAV on macOS (NSSound)
#: }}}
#: Window layout {{{
remember_window_size yes
initial_window_width 640
initial_window_height 400
#: If enabled, the OS Window size will be remembered so that new
#: instances of kitty will have the same size as the previous
#: instance. If disabled, the OS Window will initially have size
#: configured by initial_window_width/height, in pixels. You can use a
#: suffix of "c" on the width/height values to have them interpreted
#: as number of cells instead of pixels.
enabled_layouts *
#: The enabled window layouts. A comma separated list of layout names.
#: The special value all means all layouts. The first listed layout
#: will be used as the startup layout. Default configuration is all
#: layouts in alphabetical order. For a list of available layouts, see
#: the layouts <https://sw.kovidgoyal.net/kitty/overview/#layouts>.
window_resize_step_cells 2
window_resize_step_lines 2
#: The step size (in units of cell width/cell height) to use when
#: resizing kitty windows in a layout with the shortcut
#: start_resizing_window. The cells value is used for horizontal
#: resizing, and the lines value is used for vertical resizing.
window_border_width 0.5pt
#: The width of window borders. Can be either in pixels (px) or pts
#: (pt). Values in pts will be rounded to the nearest number of pixels
#: based on screen resolution. If not specified, the unit is assumed
#: to be pts. Note that borders are displayed only when more than one
#: window is visible. They are meant to separate multiple windows.
draw_minimal_borders yes
#: Draw only the minimum borders needed. This means that only the
#: borders that separate the window from a neighbor are drawn. Note
#: that setting a non-zero window_margin_width overrides this and
#: causes all borders to be drawn.
window_margin_width 0
#: The window margin (in pts) (blank area outside the border). A
#: single value sets all four sides. Two values set the vertical and
#: horizontal sides. Three values set top, horizontal and bottom. Four
#: values set top, right, bottom and left.
single_window_margin_width -1
#: The window margin to use when only a single window is visible (in
#: pts). Negative values will cause the value of window_margin_width
#: to be used instead. A single value sets all four sides. Two values
#: set the vertical and horizontal sides. Three values set top,
#: horizontal and bottom. Four values set top, right, bottom and left.
window_padding_width 0
#: The window padding (in pts) (blank area between the text and the
#: window border). A single value sets all four sides. Two values set
#: the vertical and horizontal sides. Three values set top, horizontal
#: and bottom. Four values set top, right, bottom and left.
placement_strategy center
#: When the window size is not an exact multiple of the cell size, the
#: cell area of the terminal window will have some extra padding on
#: the sides. You can control how that padding is distributed with
#: this option. Using a value of center means the cell area will be
#: placed centrally. A value of top-left means the padding will be
#: only at the bottom and right edges.
active_border_color #00ff00
#: The color for the border of the active window. Set this to none to
#: not draw borders around the active window.
inactive_border_color #cccccc
#: The color for the border of inactive windows.
bell_border_color #ff5a00
#: The color for the border of inactive windows in which a bell has
#: occurred.
inactive_text_alpha 1.0
#: Fade the text in inactive windows by the specified amount (a number
#: between zero and one, with zero being fully faded).
hide_window_decorations no
#: Hide the window decorations (title-bar and window borders) with
#: yes. On macOS, titlebar-only can be used to only hide the titlebar.
#: Whether this works and exactly what effect it has depends on the
#: window manager/operating system. Note that the effects of changing
#: this option when reloading config are undefined.
window_logo_path none
#: Path to a logo image. Must be in PNG format. Relative paths are
#: interpreted relative to the kitty config directory. The logo is
#: displayed in a corner of every kitty window. The position is
#: controlled by window_logo_position. Individual windows can be
#: configured to have different logos either using the launch action
#: or the remote control <https://sw.kovidgoyal.net/kitty/remote-
#: control/> facility.
window_logo_position bottom-right
#: Where to position the window logo in the window. The value can be
#: one of: top-left, top, top-right, left, center, right, bottom-left,
#: bottom, bottom-right.
window_logo_alpha 0.5
#: The amount the logo should be faded into the background. With zero
#: being fully faded and one being fully opaque.
resize_debounce_time 0.1
#: The time to wait before redrawing the screen when a resize event is
#: received (in seconds). On platforms such as macOS, where the
#: operating system sends events corresponding to the start and end of
#: a resize, this number is ignored.
resize_draw_strategy static
#: Choose how kitty draws a window while a resize is in progress. A
#: value of static means draw the current window contents, mostly
#: unchanged. A value of scale means draw the current window contents
#: scaled. A value of blank means draw a blank window. A value of size
#: means show the window size in cells.
resize_in_steps no
#: Resize the OS window in steps as large as the cells, instead of
#: with the usual pixel accuracy. Combined with initial_window_width
#: and initial_window_height in number of cells, this option can be
#: used to keep the margins as small as possible when resizing the OS
#: window. Note that this does not currently work on Wayland.
visual_window_select_characters 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ
#: The list of characters for visual window selection. For example,
#: for selecting a window to focus on with focus_visible_window. The
#: value should be a series of unique numbers or alphabets, case
#: insensitive, from the set [0-9A-Z]. Specify your preference as a
#: string of characters.
confirm_os_window_close -1
#: Ask for confirmation when closing an OS window or a tab with at
#: least this number of kitty windows in it by window manager (e.g.
#: clicking the window close button or pressing the operating system
#: shortcut to close windows) or by the close_tab action. A value of
#: zero disables confirmation. This confirmation also applies to
#: requests to quit the entire application (all OS windows, via the
#: quit action). Negative values are converted to positive ones,
#: however, with shell_integration enabled, using negative values
#: means windows sitting at a shell prompt are not counted, only
#: windows where some command is currently running. Note that if you
#: want confirmation when closing individual windows, you can map the
#: close_window_with_confirmation action.
#: }}}
#: Tab bar {{{
tab_bar_edge bottom
#: The edge to show the tab bar on, top or bottom.
tab_bar_margin_width 0.0
#: The margin to the left and right of the tab bar (in pts).
tab_bar_margin_height 0.0 0.0
#: The margin above and below the tab bar (in pts). The first number
#: is the margin between the edge of the OS Window and the tab bar.
#: The second number is the margin between the tab bar and the
#: contents of the current tab.
tab_bar_style fade
#: The tab bar style, can be one of:
#: fade
#: Each tab's edges fade into the background color. (See also tab_fade)
#: slant
#: Tabs look like the tabs in a physical file.
#: separator
#: Tabs are separated by a configurable separator. (See also
#: tab_separator)
#: powerline
#: Tabs are shown as a continuous line with "fancy" separators.
#: (See also tab_powerline_style)
#: custom
#: A user-supplied Python function called draw_tab is loaded from the file
#: tab_bar.py in the kitty config directory. For examples of how to
#: write such a function, see the functions named draw_tab_with_* in
#: kitty's source code: kitty/tab_bar.py. See also
#: this discussion <https://github.com/kovidgoyal/kitty/discussions/4447>
#: for examples from kitty users.
#: hidden
#: The tab bar is hidden. If you use this, you might want to create a mapping
#: for the select_tab action which presents you with a list of tabs and
#: allows for easy switching to a tab.
tab_bar_align left
#: The horizontal alignment of the tab bar, can be one of: left,
#: center, right.
tab_bar_min_tabs 2
#: The minimum number of tabs that must exist before the tab bar is
#: shown.
tab_switch_strategy previous
#: The algorithm to use when switching to a tab when the current tab
#: is closed. The default of previous will switch to the last used
#: tab. A value of left will switch to the tab to the left of the
#: closed tab. A value of right will switch to the tab to the right of
#: the closed tab. A value of last will switch to the right-most tab.
tab_fade 0.25 0.5 0.75 1
#: Control how each tab fades into the background when using fade for
#: the tab_bar_style. Each number is an alpha (between zero and one)
#: that controls how much the corresponding cell fades into the
#: background, with zero being no fade and one being full fade. You
#: can change the number of cells used by adding/removing entries to
#: this list.
tab_separator " ┇"
#: The separator between tabs in the tab bar when using separator as
#: the tab_bar_style.
tab_powerline_style angled
#: The powerline separator style between tabs in the tab bar when
#: using powerline as the tab_bar_style, can be one of: angled,
#: slanted, round.
tab_activity_symbol none
#: Some text or a Unicode symbol to show on the tab if a window in the
#: tab that does not have focus has some activity. If you want to use
#: leading or trailing spaces, surround the text with quotes. See
#: tab_title_template for how this is rendered.
tab_title_max_length 0
#: The maximum number of cells that can be used to render the text in
#: a tab. A value of zero means that no limit is applied.
tab_title_template "{fmt.fg.red}{bell_symbol}{activity_symbol}{fmt.fg.tab}{title}"
#: A template to render the tab title. The default just renders the
#: title with optional symbols for bell and activity. If you wish to
#: include the tab-index as well, use something like: {index}:{title}.
#: Useful if you have shortcuts mapped for goto_tab N. If you prefer
#: to see the index as a superscript, use {sup.index}. All data
#: available is:
#: title
#: The current tab title.
#: index
#: The tab index useable with goto_tab N goto_tab shortcuts.
#: layout_name
#: The current layout name.
#: num_windows
#: The number of windows in the tab.
#: num_window_groups
#: The number of window groups (not counting overlay windows) in the tab.
#: tab.active_wd
#: The working directory of the currently active window in the tab (expensive,
#: requires syscall). Use active_oldest_wd to get the directory of the oldest foreground process rather than the newest.
#: tab.active_exe
#: The name of the executable running in the foreground of the currently active window in the tab (expensive,
#: requires syscall). Use active_oldest_exe for the oldest foreground process.
#: max_title_length
#: The maximum title length available.
#: Note that formatting is done by Python's string formatting
#: machinery, so you can use, for instance, {layout_name[:2].upper()}
#: to show only the first two letters of the layout name, upper-cased.
#: If you want to style the text, you can use styling directives, for
#: example:
#: `{fmt.fg.red}red{fmt.fg.tab}normal{fmt.bg._00FF00}greenbg{fmt.bg.tab}`.
#: Similarly, for bold and italic:
#: `{fmt.bold}bold{fmt.nobold}normal{fmt.italic}italic{fmt.noitalic}`.
#: Note that for backward compatibility, if {bell_symbol} or
#: {activity_symbol} are not present in the template, they are
#: prepended to it.
active_tab_title_template none
#: Template to use for active tabs. If not specified falls back to
#: tab_title_template.
active_tab_foreground #000
active_tab_background #eee
active_tab_font_style bold-italic
inactive_tab_foreground #444
inactive_tab_background #999
inactive_tab_font_style normal
#: Tab bar colors and styles.
tab_bar_background none
#: Background color for the tab bar. Defaults to using the terminal
#: background color.