dotfiles/hm/desktop/i3.nix

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{ pkgs, lib, config, ... }:
let
# FOCUS
focus = "exec ${ pkgs.writeShellScript "i3-focus-window" ''
WINDOW=`${pkgs.xdotool}/bin/xdotool getwindowfocus`
eval `${pkgs.xdotool}/bin/xdotool getwindowgeometry --shell $WINDOW` # this brings in variables WIDTH and HEIGHT
TX=`${pkgs.coreutils}/bin/expr $WIDTH / 2`
TY=`${pkgs.coreutils}/bin/expr $HEIGHT / 2`
${pkgs.xdotool}/bin/xdotool mousemove -window $WINDOW $TX $TY
''
}";
# CARDINALS
cardinals = [
{ vi = "h"; arrow = "Left"; container = "left"; workspace = "prev_on_output"; output = "left"; }
{ vi = "l"; arrow = "Right"; container = "right"; workspace = "next_on_output"; output = "right"; }
{ vi = "j"; arrow = "Down"; container = "up"; workspace = "prev"; output = "below"; }
{ vi = "k"; arrow = "Up"; container = "down"; workspace = "next"; output = "above"; }
];
forEachCardinal = f: map (c: f c) cardinals;
# WORKSPACES
workspaces_keys = lib.strings.stringToCharacters "1234567890";
workspaces = map
(i: {
id = i;
name = builtins.toString (i + 1);
key = builtins.elemAt workspaces_keys i;
})
(lib.lists.range 0 ((builtins.length workspaces_keys) - 1));
forEachWorkspace = f: map (w: f w) workspaces;
# MISC
mod = config.xsession.windowManager.i3.config.modifier;
rofi = "exec --no-startup-id ${config.programs.rofi.package}/bin/rofi";
modes = config.frogeye.desktop.i3.bindmodes;
x11_screens = config.frogeye.desktop.x11_screens;
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in
{
config = lib.mkIf config.xsession.windowManager.i3.enable {
stylix.targets.i3.enable = false;
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xdg.configFile = {
"rofimoji.rc" = {
text = ''
skin-tone = neutral
files = [emojis, math]
action = clipboard
'';
};
};
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xsession.windowManager.i3.config = {
modifier = "Mod4";
fonts = {
names = [ config.stylix.fonts.sansSerif.name ];
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};
terminal = "alacritty";
colors = let ignore = "#ff00ff"; in
with config.lib.stylix.colors.withHashtag; lib.mkForce {
focused = { border = base0B; background = base0B; text = base00; indicator = base00; childBorder = base0B; };
focusedInactive = { border = base02; background = base02; text = base05; indicator = base02; childBorder = base02; };
unfocused = { border = base05; background = base04; text = base00; indicator = base04; childBorder = base00; };
urgent = { border = base0F; background = base08; text = base00; indicator = base08; childBorder = base0F; };
placeholder = { border = ignore; background = base00; text = base05; indicator = ignore; childBorder = base00; };
background = base07;
# I set the color of the active tab as the the background color of the terminal so they merge together.
};
focus.followMouse = false;
keybindings =
{
# Compatibility layer for people coming from other backgrounds
"Mod1+Tab" = "${rofi} -modi window -show window";
"Mod1+F2" = "${rofi} -modi drun -show drun";
"Mod1+F4" = "kill";
# kill focused window
"${mod}+z" = "kill";
button2 = "kill";
# Rofi
"${mod}+i" = "exec --no-startup-id ${pkgs.rofimoji}/bin/rofimoji";
"${mod}+Tab" = "${rofi} -modi window -show window";
# start program launcher
"${mod}+d" = "${rofi} -modi run -show run";
"${mod}+Shift+d" = "${rofi} -modi drun -show drun";
# Start Applications
"${mod}+p" = "exec ${pkgs.xfce.thunar}/bin/thunar";
# Misc
"${mod}+F10" = "exec ${ pkgs.writeShellScript "show-keyboard-layout"
''
layout=`${pkgs.xorg.setxkbmap}/bin/setxkbmap -query | ${pkgs.gnugrep}/bin/grep ^layout: | ${pkgs.gawk}/bin/awk '{ print $2 }'`
${pkgs.libgnomekbd}/bin/gkbd-keyboard-display -l $layout
''
}";
# workspace back and forth (with/without active container)
"${mod}+b" = "workspace back_and_forth; ${focus}";
"${mod}+Shift+b" = "move container to workspace back_and_forth; workspace back_and_forth; ${focus}";
# Change container layout
"${mod}+g" = "split h; ${focus}";
"${mod}+v" = "split v; ${focus}";
"${mod}+f" = "fullscreen toggle; ${focus}";
"${mod}+s" = "layout stacking; ${focus}";
"${mod}+w" = "layout tabbed; ${focus}";
"${mod}+e" = "layout toggle split; ${focus}";
"${mod}+Shift+space" = "floating toggle; ${focus}";
# Focus container
"${mod}+space" = "focus mode_toggle; ${focus}";
"${mod}+a" = "focus parent; ${focus}";
"${mod}+q" = "focus child; ${focus}";
# i3 control
"${mod}+Shift+c" = "reload";
"${mod}+Shift+r" = "restart";
"${mod}+Shift+e" = "exit";
} // lib.mapAttrs' (k: v: lib.nameValuePair v.enter "mode ${v.name}") modes
// lib.attrsets.mergeAttrsList (forEachCardinal (c: {
# change focus
"${mod}+${c.vi}" = "focus ${c.container}; ${focus}";
# move focused window
"${mod}+Shift+${c.vi}" = "move ${c.container}; ${focus}";
#navigate workspaces next / previous
"${mod}+Ctrl+${c.vi}" = "workspace ${c.workspace}; ${focus}";
# Move to workspace next / previous with focused container
"${mod}+Ctrl+Shift+${c.vi}" = "move container to workspace ${c.workspace}; workspace ${c.workspace}; ${focus}";
# move workspaces to screen (arrow keys)
"${mod}+Ctrl+Shift+${c.arrow}" = "move workspace to output ${c.output}; ${focus}";
})) // lib.attrsets.mergeAttrsList (forEachWorkspace (w: {
# Switch to workspace
"${mod}+${w.key}" = "workspace ${w.name}; ${focus}";
# move focused container to workspace
"${mod}+ctrl+${w.key}" = "move container to workspace ${w.name}; ${focus}";
# move to workspace with focused container
"${mod}+shift+${w.key}" = "move container to workspace ${w.name}; workspace ${w.name}; ${focus}";
}));
modes = lib.mapAttrs'
(k: v: lib.nameValuePair v.name (v.bindings // lib.optionalAttrs v.return_bindings {
"Return" = "mode default";
"Escape" = "mode default";
}))
modes;
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window = {
hideEdgeBorders = "both";
titlebar = false; # So that single-container screens are basically almost fullscreen
commands = [
# switch to workspace with urgent window automatically
{ criteria = { urgent = "latest"; }; command = "focus"; }
];
};
floating = {
criteria = [
{ window_role = "pop-up"; }
{ window_role = "task_dialog"; }
];
};
startup = [
{
notification = false;
command = "${pkgs.writeShellApplication {
name = "batteryNotify";
runtimeInputs = with pkgs; [coreutils libnotify];
text = builtins.readFile ./batteryNotify.sh;
# TODO Use batsignal instead?
# TODO Only on computers with battery
}}/bin/batteryNotify";
}
];
workspaceLayout = "tabbed";
focus.mouseWarping = true; # i3 only supports warping to workspace, hence ${focus}
workspaceOutputAssign =
forEachWorkspace (w: { output = builtins.elemAt x11_screens (lib.mod w.id (builtins.length x11_screens)); workspace = w.name; });
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};
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frogeye.desktop.i3.bindmodes = {
"Resize" = {
bindings = {
"h" = "resize shrink width 10 px or 10 ppt; ${focus}";
"j" = "resize grow height 10 px or 10 ppt; ${focus}";
"k" = "resize shrink height 10 px or 10 ppt; ${focus}";
"l" = "resize grow width 10 px or 10 ppt; ${focus}";
};
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mod_enter = "r";
};
"[L] Vérouillage [E] Déconnexion [S] Veille [H] Hibernation [R] Redémarrage [P] Extinction" = {
bindings = {
"l" = "exec --no-startup-id exec xlock, mode default";
"e" = "exit, mode default";
"s" = "exec --no-startup-id exec xlock & ${pkgs.systemd}/bin/systemctl suspend --check-inhibitors=no, mode default";
"h" = "exec --no-startup-id exec xlock & ${pkgs.systemd}/bin/systemctl hibernate, mode default";
"r" = "exec --no-startup-id ${pkgs.systemd}/bin/systemctl reboot, mode default";
"p" = "exec --no-startup-id ${pkgs.systemd}/bin/systemctl poweroff -i, mode default";
};
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mod_enter = "Escape";
};
};
};
options = {
frogeye.desktop.i3.bindmodes = lib.mkOption {
default = { };
type = lib.types.attrsOf (lib.types.submodule ({ config, name, ... }: {
options = {
name = lib.mkOption {
type = lib.types.str;
default = name;
};
bindings = lib.mkOption {
type = lib.types.attrsOf lib.types.str;
default = { };
};
enter = lib.mkOption {
type = lib.types.str;
default = "${mod}+${config.mod_enter}";
};
mod_enter = lib.mkOption {
type = lib.types.str;
};
return_bindings = lib.mkOption {
type = lib.types.bool;
default = true;
};
};
}));
};
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};
}