kitty.conf - kitty.conf Documentation

       kitty  is  highly customizable, everything from keyboard shortcuts, to rendering frames-per-second. See below
       for an overview of all customization possibilities.

       You can open the config file within kitty by pressing ctrl+shift+f2.  You can reload the config  file  within
       kitty  by  pressing ctrl+shift+f5 or sending kitty the SIGUSR1 signal.  You can also display the current con-
       figuration by pressing the ctrl+shift+f6 key.

       kitty looks for a config file in the OS config directories (usually ~/.config/kitty/kitty.conf) but  you  can
       pass  a  specific  path via the kitty --config option or use the KITTY_CONFIG_DIRECTORY environment variable.
       See the kitty --config option for full details.

       Comments can be added to the config file as lines starting with the # character. This works  only  if  the  #
       character is the first character in the line.

       You can include secondary config files via the include directive.  If you use a relative path for include, it
       is resolved with respect to the location of the current config file. Note that environment variables are  ex-
       panded, so ${USER}.conf becomes name.conf if USER=name.  For example:

          include other.conf

       kitty  has  very  powerful  font management. You can configure individual font faces and even specify special
       fonts for particular characters.

       font_family, bold_font, italic_font, bold_italic_font

          font_family      monospace
          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.
       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 11.0

       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 , selecting the character that on the  screen  ap-
       pears to be  actually writes into the selection buffer the character .  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 to get BIDI support, because it will  force  kitty  to  always
       treat the text as LTR, which FriBidi expects for terminals.

       adjust_line_height, adjust_column_width

          adjust_line_height  0
          adjust_column_width 0

       Change  the  size  of each character cell kitty renders. You can use either numbers, which are interpreted as
       pixels or percentages (number followed by %), which are interpreted as percentages of the unmodified  values.
       You can use negative pixels or percentages less than 100% to reduce sizes (but this might cause rendering ar-


          adjust_baseline 0

       Adjust the vertical alignment of text (the height in the cell at which text is positioned). You can  use  ei-
       ther  numbers, which are interpreted as pixels or a percentages (number followed by %), which are interpreted
       as the percentage of the line height. A positive value moves the baseline up, and a negative value moves them
       down. The underline and strikethrough positions are adjusted accordingly.


          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 sym-
       bols, such as for Powerline. Avoids the need for patched fonts. Each unicode code point is specified  in  the
       form U+. You can specify multiple code points, separated by commas and ranges sep-
       arated by hyphens. symbol_map itself can be specified multiple times.  Syntax is:

          symbol_map codepoints Font Family Name


          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 setting.


          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 Retina includes a discretionary feature, zero, which in that
       font changes the appearance of the zero (0), to make it more easily distinguishable from O. Fira Code  Retina
       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.

       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, these are read from the FontConfig database first and then this, setting 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:

          $ 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:

          font_features FiraCode-Retina +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 iso-
       lated forms if they show up in a document.  You can do this with e.g.:

          font_features UnifontMedium +isol -medi -fina -init


          box_drawing_scale 0.001, 1, 1.5, 2

       Change 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.


          cursor #cccccc

       Default cursor color


          cursor_text_color #111111

       Choose the color of text under the cursor. If you want it rendered with the background color of the cell  un-
       derneath instead, use the special keyword: background


          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.


          cursor_beam_thickness 1.5

       Defines the thickness of the beam cursor (in pts)


          cursor_underline_thickness 2.0

       Defines the thickness of the underline cursor (in pts)


          cursor_blink_interval -1

       The interval (in seconds) at which to blink the cursor. Set to zero to disable blinking. Negative values mean
       use system default. Note that numbers smaller than repaint_delay 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


          scrollback_lines 2000

       Number of lines of history to keep in memory for scrolling back. Memory is allocated on demand. Negative num-
       bers  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 cre-
       ated 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  pro-
       gram.  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 cur-
       rent cursor position.


          scrollback_pager_history_size 0

       Separate scrollback history size, used only for browsing the scrollback buffer (in MB). 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 text, unformatted text. A value of zero or less dis-
       ables 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

       Modify  the  amount  scrolled by the mouse wheel. Note this is only used for low precision scrolling devices,
       not for high precision scrolling on platforms such as macOS and  Wayland.  Use  negative  numbers  to  change
       scroll direction.


          touch_scroll_multiplier 1.0

       Modify  the  amount  scrolled  by  a touchpad. Note this is only used for high precision scrolling devices on
       platforms such as macOS and Wayland. Use negative numbers to change scroll direction.


          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, url_style

          url_color #0087bd
          url_style curly

       The color and style for highlighting URLs on mouse-over. url_style can be one of: none, single, double, curly


          open_url_with default

       The program with which to open URLs that are clicked on. The special value default means to use the operating
       system's default URL handler.


          url_prefixes http https file ftp gemini irc gopher mailto news git

       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.



       Additional characters to be disallowed from URLs, when detecting URLs under the mouse cursor. By default, all
       characters legal in URLs are allowed.


          copy_on_select no

       Copy to clipboard or a private buffer on select. With this set to clipboard, simply 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 selections. You can instead specify a name such as a1 to copy to a  private  kitty  buffer
       instead. Map a shortcut with the paste_from_buffer action to paste from this private buffer.  For example:

          map cmd+shift+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.


          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. 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.


          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 remapped to perform arbitrary actions. The syntax for doing so is:

          mouse_map button-name event-type modes action

       Where button-name is one of left, middle, right or 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 number
       b1 ... b8 can be used to refer to upto eight buttons on a mouse.

       event-type is one press, release, doublepress, triplepress, click and doubleclick.  modes  indicates  whether
       the action is performed when the mouse is grabbed by the program running in the terminal, or not. It can have
       one or more or the values, grabbed,ungrabbed. 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 disam-
       biguate from double and triple presses.

       You can run kitty with the kitty --debug-input command line option to see mouse events. See the  builtin  ac-
       tions 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

          Once a selection is started, releasing the button that started it will automatically end it and no release
          event will be dispatched.

       Click the link under the mouse cursor when no selection is created

          mouse_map left click ungrabbed mouse_click_url_or_select

       Click the link under the mouse cursor when no selection is created even if grabbed

          mouse_map shift+left click grabbed,ungrabbed mouse_click_url_or_select

       Click the link under the mouse cursor

          mouse_map ctrl+shift+left release grabbed,ungrabbed mouse_click_url

       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 re-
       lease 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 the entire 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

       Paste from the primary selection even when grabbed

          mouse_map shift+middle release ungrabbed,grabbed paste_selection

       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 shift+ctrl+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 the entire line

       Select line from point even when grabbed

          mouse_map shift+ctrl+alt+left triplepress ungrabbed,grabbed mouse_selection line_from_point

       Select from the clicked point to the end of the line

       Extend the current selection even when grabbed

          mouse_map shift+right press ungrabbed,grabbed mouse_selection extend


          repaint_delay 10

       Delay (in milliseconds) between screen updates. 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, repaint_delay is ignored.


          input_delay 3

       Delay  (in  milliseconds)  before  input from the program running in the terminal is processed. Note that de-
       creasing 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    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.


          enable_audio_bell yes

       Enable/disable the audio bell. Useful in environments that require silence.


          visual_bell_duration 0.0

       Visual bell duration. Flash the screen when a bell occurs for the specified number of seconds. Set to zero to


          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 yes

       Show a bell symbol on the tab if a bell occurs in one of the windows in the tab and the  window  is  not  the
       currently focused window


          command_on_bell none

       Program to run when a bell occurs.

       remember_window_size, initial_window_width, initial_window_height

          remember_window_size  yes
          initial_window_width  640
          initial_window_height 400

       If  enabled, the window size will be remembered so that new instances of kitty will have the same size as the
       previous  instance.  If  disabled,  the  window  will  initially  have  size   configured   by   initial_win-
       dow_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 alphabet-
       ical order. For a list of available layouts, see the layouts.

       window_resize_step_cells, window_resize_step_lines

          window_resize_step_cells 2
          window_resize_step_lines 2

       The step size (in units of cell width/cell height) to use when resizing windows.  The cells value is used for
       horizontal resizing and the lines value 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


          draw_minimal_borders yes

       Draw only the minimum borders needed. This means that only the minimum needed borders  for  inactive  windows
       are  drawn.  That  is only the borders that separate the inactive window from a neighbor. Note that setting a
       non-zero window margin 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 (in pts) to use when only a single window is visible. 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


          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
       on only 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/oper-
       ating system. Note that the effects of changing this setting when reloading config are undefined.


          resize_debounce_time 0.1

       The  time (in seconds) to wait before redrawing the screen when a resize event is received. 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 win-
       dow 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
       an 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.


          confirm_os_window_close 0

       Ask for confirmation when closing an OS window or a tab that has at least this number of kitty windows in it.
       A value of zero disables confirmation. This confirmation also applies to requests to quit the entire applica-
       tion (all OS windows, via the quit action).


          tab_bar_edge bottom

       Which 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 and the second number is the margin between the tab bar and the contents of  the  cur-
       rent tab.


          tab_bar_style fade

       The  tab bar style, can be one of: fade, separator, powerline, or hidden. In the fade style, each tab's edges
       fade into the background color, in the separator style, tabs are separated by a configurable  separator,  and
       the  powerline  shows the tabs as a continuous line.  If you use the hidden style, 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_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_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 be-
       ing 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, or 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 ac-


          tab_title_template "{title}"

       A  template to render the tab title. The default just renders the title. 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}. In addition you can use {layout_name} for the cur-
       rent layout name and {num_windows} for the number of windows in the tab. 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 di-
       rectives,  for  example:  {}red{fmt.fg.default}normal{}green bg{}. Simi-
       larly, for bold and italic: {fmt.bold}bold{fmt.nobold}normal{fmt.italic}italic{fmt.noitalic}.


          active_tab_title_template none

       Template to use for active tabs, if not specified falls back to tab_title_template.

       active_tab_foreground,   active_tab_background,   active_tab_font_style,    inactive_tab_foreground,    inac-
       tive_tab_background, inactive_tab_font_style

          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.

       foreground, background

          foreground #dddddd
          background #000000

       The foreground and background colors


          background_opacity 1.0

       The  opacity of the background. A number between 0 and 1, where 1 is opaque and 0 is fully transparent.  This
       will only work if supported by the OS (for instance, when using a compositor under X11). Note  that  it  only
       sets  the  background  color's  opacity  in cells that have the same background color as the default terminal
       background. This is so that things like the status bar in vim, powerline prompts, etc. still look good.   But
       it  means  that  if  you use a color theme with a background color in your editor, it will not be rendered as
       transparent.  Instead you should change the default background color in your kitty config and not use a back-
       ground  color  in  the  editor color scheme. Or use the escape codes to set the terminals default colors in a
       shell script to launch your editor.  Be aware that using a value less than 1.0 is  a  (possibly  significant)
       performance hit.  If you want to dynamically change transparency of windows set dynamic_background_opacity to
       yes (this is off by default as it has a performance cost). Changing this setting when  reloading  the  config
       will only work if dynamic_background_opacity was enabled in the original config.


          background_image none

       Path to a background image. Must be in PNG format.


          background_image_layout tiled

       Whether to tile or scale the background image.


          background_image_linear no

       When background image is scaled, whether linear interpolation should be used.


          dynamic_background_opacity no

       Allow  changing  of  the  background_opacity dynamically, using either keyboard shortcuts (ctrl+shift+a>m and
       ctrl+shift+a>l) or the remote control facility. Changing this setting by reloading the  config  is  not  sup-


          background_tint 0.0

       How  much to tint the background image by the background color. The tint is applied only under the text area,
       not margin/borders. Makes it easier to read the text. Tinting is done using the current background color  for
       each window.  This setting applies only if background_opacity is set and transparent windows are supported or
       background_image is set.


          dim_opacity 0.75

       How much to dim text that has the DIM/FAINT attribute set. One means no dimming and zero means  fully  dimmed
       (i.e. invisible).


          selection_foreground #000000

       The foreground for text selected with the mouse. A value of none means to leave the color unchanged.


          selection_background #fffacd

       The background for text selected with the mouse.

   The color table
       The 256 terminal colors. There are 8 basic colors, each color has a dull and bright version, for the first 16
       colors. You can set the remaining 240 colors as color16 to color255.

       color0, color8

          color0 #000000
          color8 #767676


       color1, color9

          color1 #cc0403
          color9 #f2201f


       color2, color10

          color2  #19cb00
          color10 #23fd00


       color3, color11

          color3  #cecb00
          color11 #fffd00


       color4, color12

          color4  #0d73cc
          color12 #1a8fff


       color5, color13

          color5  #cb1ed1
          color13 #fd28ff


       color6, color14

          color6  #0dcdcd
          color14 #14ffff


       color7, color15

          color7  #dddddd
          color15 #ffffff



          mark1_foreground black

       Color for marks of type 1


          mark1_background #98d3cb

       Color for marks of type 1 (light steel blue)


          mark2_foreground black

       Color for marks of type 2


          mark2_background #f2dcd3

       Color for marks of type 1 (beige)


          mark3_foreground black

       Color for marks of type 3


          mark3_background #f274bc

       Color for marks of type 3 (violet)


          shell .

       The shell program to execute. The default value of . means to use whatever shell is set as the default  shell
       for the current user. Note that on macOS if you change this, you might need to add --login to ensure that the
       shell starts in interactive mode and reads its startup rc files.


          editor .

       The console editor to use when editing the kitty config file or similar tasks. A value of . means to use  the
       environment  variables VISUAL and EDITOR in that order. Note that this environment variable has to be set not
       just in your shell startup scripts but system-wide, otherwise kitty will not see it.


          close_on_child_death no

       Close the window when the child process (shell) exits. If no (the default), the  terminal  will  remain  open
       when the child exits as long as there are still processes outputting to the terminal (for example disowned or
       backgrounded processes). If yes, the window will close as soon as the child process exits.  Note that setting
       it  to  yes means that any background processes still using the terminal can fail silently because their std-
       out/stderr/stdin no longer work.


          allow_remote_control no

       Allow other programs to control kitty. If you turn this on other programs can control all aspects  of  kitty,
       including  sending  text  to kitty windows, opening new windows, closing windows, reading the content of win-
       dows, etc.  Note that this even works over ssh connections. You can chose to either allow any program running
       within  kitty  to  control  it, with yes or only programs that connect to the socket specified with the kitty
       --listen-on command line option, if you use the value socket-only. The latter is useful if you want  to  pre-
       vent programs running on a remote computer over ssh from controlling kitty. Changing this option by reloading
       the config will only affect newly created windows.


          listen_on none

       Tell kitty to listen to the specified unix/tcp socket for remote control connections. Note that this will ap-
       ply  to all kitty instances. It can be overridden by the kitty --listen-on command line flag. This option ac-
       cepts only UNIX sockets, such as unix:${TEMP}/mykitty or (on Linux) unix:@mykitty. Environment variables  are
       expanded. If {kitty_pid} is present then it is replaced by the PID of the kitty process, otherwise the PID of
       the kitty process is appended to the value, with a hyphen.  This  option  is  ignored  unless  you  also  set
       allow_remote_control  to enable remote control. See the help for kitty --listen-on for more details. Changing
       this option by reloading the config is not supported.



       Specify environment variables to set in all child processes. Note that environment variables are expanded re-
       cursively, so if you use:

          env MYVAR1=a
          env MYVAR2=${MYVAR1}/${HOME}/b

       The value of MYVAR2 will be a//b.


          update_check_interval 24

       Periodically  check  if  an update to kitty is available. If an update is found a system notification is dis-
       played informing you of the available update. The default is to check every 24 hrs, set to zero  to  disable.
       Changing this option by reloading the config is not supported.


          startup_session none

       Path to a session file to use for all kitty instances. Can be overridden by using the kitty --session command
       line option for individual instances. See sessions in the kitty documentation for details. Note that relative
       paths  are interpreted with respect to the kitty config directory.  Environment variables in the path are ex-
       panded. Changing this option by reloading the config is not supported.


          clipboard_control write-clipboard write-primary

       Allow programs running in kitty to read and write from the clipboard. You can control exactly  which  actions
       are  allowed.  The set of possible actions is: write-clipboard read-clipboard write-primary read-primary. You
       can additionally specify no-append to disable kitty's protocol extension for clipboard concatenation. The de-
       fault  is  to  allow writing to the clipboard and primary selection with concatenation enabled. Note that en-
       abling the read functionality is a security risk as it means that any program, even one running on  a  remote
       server via SSH can read your clipboard.


          allow_hyperlinks yes

       Process  hyperlink  (OSC  8) escape sequences. If disabled OSC 8 escape sequences are ignored. Otherwise they
       become clickable links, that you can click by holding down ctrl+shift and clicking with the mouse.  The  spe-
       cial value of ask means that kitty will ask before opening the link.


          term xterm-kitty

       The  value  of  the  TERM  environment  variable to set. Changing this can break many terminal programs, only
       change it if you know what you are doing, not because you read some advice on Stack Overflow  to  change  it.
       The  TERM  variable is used by various programs to get information about the capabilities and behavior of the
       terminal. If you change it, depending on what programs you run, and how different the terminal you are chang-
       ing it to is, various things from key-presses, to colors, to various advanced features may not work. Changing
       this option by reloading the config will only affect newly created windows.


          wayland_titlebar_color system

       Change the color of the kitty window's titlebar on Wayland systems with client side window  decorations  such
       as  GNOME.  A  value  of system means to use the default system color, a value of background means to use the
       background color of the currently active window and finally you can use an arbitrary color, such  as  #12af59
       or red.


          macos_titlebar_color system

       Change  the  color of the kitty window's titlebar on macOS. A value of system means to use the default system
       color, a value of background means to use the background color of the currently active window and finally you
       can  use  an arbitrary color, such as #12af59 or red. WARNING: This option works by using a hack, as there is
       no proper Cocoa API for it. It sets the background color of the entire window and makes the  titlebar  trans-
       parent.  As such it is incompatible with background_opacity. If you want to use both, you are probably better
       off just hiding the titlebar with hide_window_decorations.


          macos_option_as_alt no

       Use the option key as an alt key. With this set to no, kitty will use the macOS native Option+Key  =  unicode
       character behavior. This will break any Alt+key keyboard shortcuts in your terminal programs, but you can use
       the macOS unicode input technique. You can use the values: left, right, or both to use only the  left,  right
       or both Option keys as Alt, instead. Changing this setting by reloading the config is not supported.


          macos_hide_from_tasks no

       Hide  the  kitty  window from running tasks (+Tab) on macOS. Changing this setting by reloading the config is
       not supported.


          macos_quit_when_last_window_closed no

       Have kitty quit when all the top-level windows are closed. By default, kitty will stay running, even with  no
       open windows, as is the expected behavior on macOS.


          macos_window_resizable yes

       Disable  this if you want kitty top-level (OS) windows to not be resizable on macOS. Changing this setting by
       reloading the config will only affect newly created windows.


          macos_thicken_font 0

       Draw an extra border around the font with the given width, to increase legibility at small  font  sizes.  For
       example, a value of 0.75 will result in rendering that looks similar to sub-pixel antialiasing at common font


          macos_traditional_fullscreen no

       Use the traditional full-screen transition, that is faster, but less pretty.


          macos_show_window_title_in all

       Show or hide the window title in the macOS window or menu-bar. A value of window will show the title  of  the
       currently  active  window  at the top of the macOS window. A value of menubar will show the title of the cur-
       rently active window in the macOS menu-bar, making use of otherwise wasted space. all will show the title ev-
       erywhere and none hides the title in the window and the menu-bar.


          macos_custom_beam_cursor no

       Enable/disable  custom mouse cursor for macOS that is easier to see on both light and dark backgrounds. WARN-
       ING: this might make your mouse cursor invisible on dual GPU machines. Changing this setting by reloading the
       config is not supported.


          linux_display_server auto

       Choose between Wayland and X11 backends. By default, an appropriate backend based on the system state is cho-
       sen automatically. Set it to x11 or wayland to force the choice. Changing this setting by reloading the  con-
       fig is not supported.

       Keys  are  identified  simply  by their lowercase unicode characters. For example: a for the A key, [ for the
       left square bracket key, etc. For functional keys, such as Enter or Escape the names  are  present  at  func-
       tional.  For a list of modifier names, see: GLFW mods

       On  Linux you can also use XKB key names to bind keys that are not supported by GLFW. See XKB keys for a list
       of key names. The name to use is the part after the XKB_KEY_ prefix. Note that you can only use  an  XKB  key
       name for keys that are not known as GLFW keys.

       Finally,  you  can use raw system key codes to map keys, again only for keys that are not known as GLFW keys.
       To see the system key code for a key, start kitty with the kitty --debug-input option. Then kitty will output
       some debug text for every key event. In that text look for native_code the value of that becomes the key name
       in the shortcut. For example:

          on_key_input: glfw key: 65 native_code: 0x61 action: PRESS mods: 0x0 text: 'a'

       Here, the key name for the A key is 0x61 and you can use it with:

          map ctrl+0x61 something

       to map ctrl+a to something.

       You can use the special action no_op to unmap a keyboard shortcut that is assigned in the default  configura-

          map kitty_mod+space no_op

       You can combine multiple actions to be triggered by a single shortcut, using the syntax below:

          map key combine  action1  action2  action3 ...

       For example:

          map kitty_mod+e combine : new_window : next_layout

       this will create a new window and switch to the next available layout

       You can use multi-key shortcuts using the syntax shown below:

          map key1>key2>key3 action

       For example:

          map ctrl+f>2 set_font_size 20


          kitty_mod ctrl+shift

       The  value  of  kitty_mod  is  used  as  the  modifier  for  all default shortcuts, you can change it in your
       kitty.conf to change the modifiers for all the default shortcuts.


          clear_all_shortcuts no

       You can have kitty remove all shortcut definition seen up to this point. Useful, for instance, to remove  the
       default shortcuts.


          kitten_alias hints hints --hints-offset=0

       You  can create aliases for kitten names, this allows overriding the defaults for kitten options and can also
       be used to shorten repeated mappings of the same kitten with a specific group of options.  For  example,  the
       above alias changes the default value of kitty +kitten hints --hints-offset to zero for all mappings, includ-
       ing the builtin ones.

       Copy to clipboard

          map ctrl+shift+c copy_to_clipboard

       There is also a copy_or_interrupt action that can be optionally mapped to Ctrl+c. It will copy only if  there
       is  a  selection  and send an interrupt otherwise. Similarly, copy_and_clear_or_interrupt will copy and clear
       the selection or send an interrupt if there is no selection.

       Paste from clipboard

          map ctrl+shift+v paste_from_clipboard

       Paste from selection

          map ctrl+shift+s paste_from_selection
          map shift+insert paste_from_selection

       Pass selection to program

          map ctrl+shift+o pass_selection_to_program

       You can also pass the contents of the current selection to any program  using  pass_selection_to_program.  By
       default,  the  system's open program is used, but you can specify your own, the selection will be passed as a
       command line argument to the program, for example:

          map kitty_mod+o pass_selection_to_program firefox

       You can pass the current selection to a terminal program running in a new kitty window, by using the  @selec-
       tion placeholder:

          map kitty_mod+y new_window less @selection

       Scroll line up

          map ctrl+shift+up scroll_line_up
          map ctrl+shift+k scroll_line_up
          map alt+cmd+page_up scroll_line_up
          map cmd+up scroll_line_up

       Scroll line down

          map ctrl+shift+down scroll_line_down
          map ctrl+shift+j scroll_line_down
          map alt+cmd+page_down scroll_line_down
          map cmd+down scroll_line_down

       Scroll page up

          map ctrl+shift+page_up scroll_page_up
          map cmd+page_up scroll_page_up

       Scroll page down

          map ctrl+shift+page_down scroll_page_down
          map cmd+page_down scroll_page_down

       Scroll to top

          map ctrl+shift+home scroll_home
          map cmd+home scroll_home

       Scroll to bottom

          map ctrl+shift+end scroll_end
          map cmd+end scroll_end

       Browse scrollback buffer in less

          map ctrl+shift+h show_scrollback

       You  can  pipe the contents of the current screen + history buffer as STDIN to an arbitrary program using the
       launch function. For example, the following opens the scrollback buffer in less in an overlay window:

          map f1 launch --stdin-source=@screen_scrollback --stdin-add-formatting --type=overlay less +G -R

       For more details on piping screen and buffer contents to external programs, see launch.

   Window management
       New window

          map ctrl+shift+enter new_window
          map cmd+enter new_window

       You can open a new window running an arbitrary program, for example:

          map kitty_mod+y      launch mutt

       You can open a new window with the current working directory set to the working directory of the current win-
       dow using:

          map ctrl+alt+enter    launch --cwd=current

       You can open a new window that is allowed to control kitty via the kitty remote control facility by prefixing
       the command line with @.  Any programs running in that window will be allowed to control kitty.  For example:

          map ctrl+enter launch --allow-remote-control some_program

       You can open a new window next to the currently active window or as the first window, with:

          map ctrl+n launch --location=neighbor some_program
          map ctrl+f launch --location=first some_program

       For more details, see launch.

       New OS window

          map ctrl+shift+n new_os_window
          map cmd+n new_os_window

       Works like new_window above, except that it opens a top level OS kitty window.  In  particular  you  can  use
       new_os_window_with_cwd to open a window with the current working directory.

       Close window

          map ctrl+shift+w close_window
          map shift+cmd+d close_window

       Next window

          map ctrl+shift+] next_window

       Previous window

          map ctrl+shift+[ previous_window

       Move window forward

          map ctrl+shift+f move_window_forward

       Move window backward

          map ctrl+shift+b move_window_backward

       Move window to top

          map ctrl+shift+` move_window_to_top

       Start resizing window

          map ctrl+shift+r start_resizing_window
          map cmd+r start_resizing_window

       First window

          map ctrl+shift+1 first_window
          map cmd+1 first_window

       Second window

          map ctrl+shift+2 second_window
          map cmd+2 second_window

       Third window

          map ctrl+shift+3 third_window
          map cmd+3 third_window

       Fourth window

          map ctrl+shift+4 fourth_window
          map cmd+4 fourth_window

       Fifth window

          map ctrl+shift+5 fifth_window
          map cmd+5 fifth_window

       Sixth window

          map ctrl+shift+6 sixth_window
          map cmd+6 sixth_window

       Seventh window

          map ctrl+shift+7 seventh_window
          map cmd+7 seventh_window

       Eight window

          map ctrl+shift+8 eighth_window
          map cmd+8 eighth_window

       Ninth window

          map ctrl+shift+9 ninth_window
          map cmd+9 ninth_window

       Tenth window

          map ctrl+shift+0 tenth_window

   Tab management
       Next tab

          map ctrl+shift+right next_tab
          map shift+cmd+] next_tab
          map ctrl+tab next_tab

       Previous tab

          map ctrl+shift+left previous_tab
          map shift+cmd+[ previous_tab
          map shift+ctrl+tab previous_tab

       New tab

          map ctrl+shift+t new_tab
          map cmd+t new_tab

       Close tab

          map ctrl+shift+q close_tab
          map cmd+w close_tab

       Close OS window

          map shift+cmd+w close_os_window

       Move tab forward

          map ctrl+shift+. move_tab_forward

       Move tab backward

          map ctrl+shift+, move_tab_backward

       Set tab title

          map ctrl+shift+alt+t set_tab_title
          map shift+cmd+i set_tab_title

       You can also create shortcuts to go to specific tabs, with 1 being the first tab, 2 the second tab and -1 be-
       ing the previously active tab, and any number larger than the last tab being the last tab:

          map ctrl+alt+1 goto_tab 1
          map ctrl+alt+2 goto_tab 2

       Just as with new_window above, you can also pass the name of arbitrary commands to run when using new_tab and
       use new_tab_with_cwd. Finally, if you want the new tab to open next to the current tab rather than at the end
       of the tabs list, use:

          map ctrl+t new_tab !neighbor [optional cmd to run]

   Layout management
       Next layout

          map ctrl+shift+l next_layout

       You can also create shortcuts to switch to specific layouts:

          map ctrl+alt+t goto_layout tall
          map ctrl+alt+s goto_layout stack

       Similarly, to switch back to the previous layout:

          map ctrl+alt+p last_used_layout

   Font sizes
       You can change the font size for all top-level kitty OS windows at a time or only the current one.

       Increase font size

          map ctrl+shift+equal change_font_size all +2.0
          map ctrl+shift+plus change_font_size all +2.0
          map ctrl+shift+kp_add change_font_size all +2.0
          map cmd+plus change_font_size all +2.0
          map cmd+equal change_font_size all +2.0
          map cmd+shift+equal change_font_size all +2.0

       Decrease font size

          map ctrl+shift+minus change_font_size all -2.0
          map ctrl+shift+kp_subtract change_font_size all -2.0
          map cmd+minus change_font_size all -2.0
          map cmd+shift+minus change_font_size all -2.0

       Reset font size

          map ctrl+shift+backspace change_font_size all 0
          map cmd+0 change_font_size all 0

       To setup shortcuts for specific font sizes:

          map kitty_mod+f6 change_font_size all 10.0

       To setup shortcuts to change only the current OS window's font size:

          map kitty_mod+f6 change_font_size current 10.0

   Select and act on visible text
       Use the hints kitten to select text and either pass it to an external program or insert it into the  terminal
       or copy it to the clipboard.

       Open URL

          map ctrl+shift+e kitten hints

       Open  a  currently  visible  URL  using  the  keyboard.  The  program  used  to  open the URL is specified in

       Insert selected path

          map ctrl+shift+p>f kitten hints --type path --program -

       Select a path/filename and insert it into the terminal. Useful, for instance to run git commands on  a  file-
       name output from a previous git command.

       Open selected path

          map ctrl+shift+p>shift+f kitten hints --type path

       Select a path/filename and open it with the default open program.

       Insert selected line

          map ctrl+shift+p>l kitten hints --type line --program -

       Select a line of text and insert it into the terminal. Use for the output of things like: ls -1

       Insert selected word

          map ctrl+shift+p>w kitten hints --type word --program -

       Select words and insert into terminal.

       Insert selected hash

          map ctrl+shift+p>h kitten hints --type hash --program -

       Select  something  that  looks  like a hash and insert it into the terminal. Useful with git, which uses sha1
       hashes to identify commits

       Open the selected file at the selected line

          map ctrl+shift+p>n kitten hints --type linenum

       Select something that looks like filename:linenum and open it in vim at the specified line number.

       Open the selected hyperlink

          map ctrl+shift+p>y kitten hints --type hyperlink

       Select a hyperlink (i.e. a URL that has been marked as such by the terminal program, for example, by ls --hy-

       The  hints  kitten  has  many more modes of operation that you can map to different shortcuts. For a full de-
       scription see kittens/hints.

       Toggle fullscreen

          map ctrl+shift+f11 toggle_fullscreen

       Toggle maximized

          map ctrl+shift+f10 toggle_maximized

       Unicode input

          map ctrl+shift+u kitten unicode_input
          map cmd+ctrl+space kitten unicode_input

       Edit config file

          map ctrl+shift+f2 edit_config_file
          map cmd+, edit_config_file

       Open the kitty command shell

          map ctrl+shift+escape kitty_shell window

       Open the kitty shell in a new window/tab/overlay/os_window to control kitty using commands.

       Increase background opacity

          map ctrl+shift+a>m set_background_opacity +0.1

       Decrease background opacity

          map ctrl+shift+a>l set_background_opacity -0.1

       Make background fully opaque

          map ctrl+shift+a>1 set_background_opacity 1

       Reset background opacity

          map ctrl+shift+a>d set_background_opacity default

       Reset the terminal

          map ctrl+shift+delete clear_terminal reset active
          map cmd+option+r clear_terminal reset active

       You can create shortcuts to clear/reset the terminal. For example:

          # Reset the terminal
          map kitty_mod+f9 clear_terminal reset active
          # Clear the terminal screen by erasing all contents
          map kitty_mod+f10 clear_terminal clear active
          # Clear the terminal scrollback by erasing it
          map kitty_mod+f11 clear_terminal scrollback active
          # Scroll the contents of the screen into the scrollback
          map kitty_mod+f12 clear_terminal scroll active

       If you want to operate on all windows instead of just the current one, use all instead of active.

       It is also possible to remap Ctrl+L to both scroll the current screen contents into the scrollback buffer and
       clear the screen, instead of just clearing the screen, for example, for ZSH add the following to ~/.zshrc:

          scroll-and-clear-screen() {
              printf '\n%.0s' {1..$LINES}
              zle clear-screen
          zle -N scroll-and-clear-screen
          bindkey '^l' scroll-and-clear-screen

       Reload kitty.conf

          map ctrl+shift+f5 load_config_file
          map cmd+control+, load_config_file

       Reload  kitty.conf,  applying any changes since the last time it was loaded.  Note that a handful of settings
       cannot be dynamically changed and require a full restart of kitty.  You can also map a keybinding to  load  a
       different config file, for example:

          map f5 load_config /path/to/alternative/kitty.conf

       Note  that  all  setting from the original kitty.conf are discarded, in other words the new conf settings re-
       place the old ones.

       Debug kitty configuration

          map ctrl+shift+f6 debug_config
          map cmd+option+, debug_config

       Show details about exactly what configuration kitty is running with and its host environment. Useful for  de-
       bugging issues.

       Send arbitrary text on key presses

          font_features UnifontMedium +isol -medi -fina -init

       Copy to clipboard

          map cmd+page_down scroll_page_down

          map ctrl+shift+h show_scrollback

       You  can  pipe the contents of the current screen + history buffer as STDIN to an arbitrary program using the
       launch function. For example, the following opens the scrollback buffer in less in an overlay window:

          map f1 launch --stdin-source=@screen_scrollback --stdin-add-formatting --type=overlay less +G -R

       For more details on piping screen and buffer contents to external programs, see launch.

          map ctrl+shift+n new_os_window
          map cmd+n new_os_window

       Works like new_window above, except that it opens a top level OS kitty window.  In  particular  you  can  use
       new_os_window_with_cwd to open a window with the current working directory.

       Close window

          map ctrl+shift+w close_window
          map shift+cmd+d close_window

       Next window

          map ctrl+shift+] next_window

       Previous window

          map ctrl+shift+[ previous_window

       Move window forward

          map ctrl+shift+f move_window_forward

       Move window backward

          map ctrl+shift+b move_window_backward

       Move window to top

          map ctrl+shift+` move_window_to_top

       Start resizing window

          map ctrl+shift+r start_resizing_window
          map cmd+r start_resizing_window

          map ctrl+shift+t new_tab
          map cmd+t new_tab


       You  can  tell  kitty  to  send  arbitrary (UTF-8) encoded text to the client program when pressing specified
       shortcut keys. For example:

          map ctrl+alt+a send_text all Special text

       This will send "Special text" when you press the ctrl+alt+a key combination.  The text to be sent is a python
       string  literal  so  you can use escapes like \x1b to send control codes or \u21fb to send unicode characters
       (or you can just input the unicode characters directly as UTF-8 text). The first argument to send_text is the
       keyboard modes in which to activate the shortcut. The possible values are normal or application or kitty or a
       comma separated combination of them.  The special keyword all means all modes. The modes normal and  applica-
       tion  refer  to the DECCKM cursor key mode for terminals, and kitty refers to the special kitty extended key-
       board protocol.

       Another example, that outputs a word and then moves the cursor to the start of the line (same as pressing the
       Home key):

          map ctrl+alt+a send_text normal Word\x1b[H
          map ctrl+alt+a send_text application Word\x1bOH

       You  can  edit a fully commented sample kitty.conf by pressing the ctrl+shift+f2 shortcut in kitty. This will
       generate a config file with full documentation and all settings commented out. If  you  have  a  pre-existing
       kitty.conf, then that will be used instead, delete it to see the sample file.

       Kovid Goyal

       2022, Kovid Goyalmove_window_forward