mirror of
https://github.com/nix-community/home-manager
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272 lines
9.9 KiB
Nix
272 lines
9.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.xsession.windowManager.i3;
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commonOptions = import ./lib/options.nix {
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inherit config lib cfg pkgs;
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moduleName = "i3";
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isGaps = cfg.package == pkgs.i3-gaps;
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};
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configModule = types.submodule {
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options = {
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inherit (commonOptions)
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fonts window floating focus assigns modifier workspaceLayout
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workspaceAutoBackAndForth keycodebindings colors bars startup gaps menu
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terminal;
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keybindings = mkOption {
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type = types.attrsOf (types.nullOr types.str);
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default = mapAttrs (n: mkOptionDefault) {
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"${cfg.config.modifier}+Return" = "exec ${cfg.config.terminal}";
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"${cfg.config.modifier}+Shift+q" = "kill";
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"${cfg.config.modifier}+d" = "exec ${cfg.config.menu}";
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"${cfg.config.modifier}+Left" = "focus left";
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"${cfg.config.modifier}+Down" = "focus down";
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"${cfg.config.modifier}+Up" = "focus up";
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"${cfg.config.modifier}+Right" = "focus right";
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"${cfg.config.modifier}+Shift+Left" = "move left";
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"${cfg.config.modifier}+Shift+Down" = "move down";
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"${cfg.config.modifier}+Shift+Up" = "move up";
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"${cfg.config.modifier}+Shift+Right" = "move right";
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"${cfg.config.modifier}+h" = "split h";
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"${cfg.config.modifier}+v" = "split v";
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"${cfg.config.modifier}+f" = "fullscreen toggle";
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"${cfg.config.modifier}+s" = "layout stacking";
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"${cfg.config.modifier}+w" = "layout tabbed";
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"${cfg.config.modifier}+e" = "layout toggle split";
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"${cfg.config.modifier}+Shift+space" = "floating toggle";
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"${cfg.config.modifier}+space" = "focus mode_toggle";
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"${cfg.config.modifier}+a" = "focus parent";
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"${cfg.config.modifier}+Shift+minus" = "move scratchpad";
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"${cfg.config.modifier}+minus" = "scratchpad show";
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"${cfg.config.modifier}+1" = "workspace number 1";
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"${cfg.config.modifier}+2" = "workspace number 2";
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"${cfg.config.modifier}+3" = "workspace number 3";
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"${cfg.config.modifier}+4" = "workspace number 4";
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"${cfg.config.modifier}+5" = "workspace number 5";
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"${cfg.config.modifier}+6" = "workspace number 6";
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"${cfg.config.modifier}+7" = "workspace number 7";
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"${cfg.config.modifier}+8" = "workspace number 8";
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"${cfg.config.modifier}+9" = "workspace number 9";
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"${cfg.config.modifier}+0" = "workspace number 10";
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"${cfg.config.modifier}+Shift+1" =
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"move container to workspace number 1";
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"${cfg.config.modifier}+Shift+2" =
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"move container to workspace number 2";
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"${cfg.config.modifier}+Shift+3" =
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"move container to workspace number 3";
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"${cfg.config.modifier}+Shift+4" =
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"move container to workspace number 4";
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"${cfg.config.modifier}+Shift+5" =
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"move container to workspace number 5";
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"${cfg.config.modifier}+Shift+6" =
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"move container to workspace number 6";
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"${cfg.config.modifier}+Shift+7" =
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"move container to workspace number 7";
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"${cfg.config.modifier}+Shift+8" =
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"move container to workspace number 8";
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"${cfg.config.modifier}+Shift+9" =
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"move container to workspace number 9";
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"${cfg.config.modifier}+Shift+0" =
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"move container to workspace number 10";
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"${cfg.config.modifier}+Shift+c" = "reload";
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"${cfg.config.modifier}+Shift+r" = "restart";
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"${cfg.config.modifier}+Shift+e" =
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"exec i3-nagbar -t warning -m 'Do you want to exit i3?' -b 'Yes' 'i3-msg exit'";
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"${cfg.config.modifier}+r" = "mode resize";
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};
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defaultText = "Default i3 keybindings.";
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description = ''
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An attribute set that assigns a key press to an action using a key symbol.
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See <link xlink:href="https://i3wm.org/docs/userguide.html#keybindings"/>.
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</para><para>
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Consider to use <code>lib.mkOptionDefault</code> function to extend or override
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default keybindings instead of specifying all of them from scratch.
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'';
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example = literalExample ''
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let
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modifier = config.xsession.windowManager.i3.config.modifier;
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in lib.mkOptionDefault {
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"''${modifier}+Return" = "exec i3-sensible-terminal";
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"''${modifier}+Shift+q" = "kill";
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"''${modifier}+d" = "exec \${pkgs.dmenu}/bin/dmenu_run";
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}
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'';
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};
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modes = mkOption {
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type = types.attrsOf (types.attrsOf types.str);
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default = {
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resize = {
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"Left" = "resize shrink width 10 px or 10 ppt";
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"Down" = "resize grow height 10 px or 10 ppt";
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"Up" = "resize shrink height 10 px or 10 ppt";
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"Right" = "resize grow width 10 px or 10 ppt";
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"Escape" = "mode default";
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"Return" = "mode default";
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};
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};
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description = ''
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An attribute set that defines binding modes and keybindings
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inside them
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Only basic keybinding is supported (bindsym keycomb action),
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for more advanced setup use 'i3.extraConfig'.
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'';
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};
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};
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};
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commonFunctions = import ./lib/functions.nix {
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inherit cfg lib;
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moduleName = "i3";
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};
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inherit (commonFunctions)
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keybindingsStr keycodebindingsStr modeStr assignStr barStr gapsStr
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floatingCriteriaStr windowCommandsStr colorSetStr;
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startupEntryStr = { command, always, notification, workspace, ... }: ''
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${if always then "exec_always" else "exec"} ${
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if (notification && workspace == null) then "" else "--no-startup-id"
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} ${
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if (workspace == null) then
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command
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else
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"i3-msg 'workspace ${workspace}; exec ${command}'"
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}
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'';
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configFile = pkgs.writeText "i3.conf" ((if cfg.config != null then
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with cfg.config; ''
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font pango:${concatStringsSep ", " fonts}
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floating_modifier ${floating.modifier}
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new_window ${if window.titlebar then "normal" else "pixel"} ${
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toString window.border
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}
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new_float ${if floating.titlebar then "normal" else "pixel"} ${
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toString floating.border
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}
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hide_edge_borders ${window.hideEdgeBorders}
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force_focus_wrapping ${if focus.forceWrapping then "yes" else "no"}
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focus_follows_mouse ${if focus.followMouse then "yes" else "no"}
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focus_on_window_activation ${focus.newWindow}
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mouse_warping ${if focus.mouseWarping then "output" else "none"}
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workspace_layout ${workspaceLayout}
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workspace_auto_back_and_forth ${
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if workspaceAutoBackAndForth then "yes" else "no"
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}
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client.focused ${colorSetStr colors.focused}
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client.focused_inactive ${colorSetStr colors.focusedInactive}
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client.unfocused ${colorSetStr colors.unfocused}
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client.urgent ${colorSetStr colors.urgent}
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client.placeholder ${colorSetStr colors.placeholder}
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client.background ${colors.background}
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${keybindingsStr { inherit keybindings; }}
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${keycodebindingsStr keycodebindings}
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${concatStringsSep "\n" (mapAttrsToList modeStr modes)}
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${concatStringsSep "\n" (mapAttrsToList assignStr assigns)}
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${concatStringsSep "\n" (map barStr bars)}
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${optionalString (gaps != null) gapsStr}
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${concatStringsSep "\n" (map floatingCriteriaStr floating.criteria)}
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${concatStringsSep "\n" (map windowCommandsStr window.commands)}
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${concatStringsSep "\n" (map startupEntryStr startup)}
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''
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else
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"") + "\n" + cfg.extraConfig);
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# Validates the i3 configuration
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checkI3Config =
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pkgs.runCommandLocal "i3-config" { buildInputs = [ cfg.package ]; } ''
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# We have to make sure the wrapper does not start a dbus session
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export DBUS_SESSION_BUS_ADDRESS=1
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# A zero exit code means i3 succesfully validated the configuration
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i3 -c ${configFile} -C -d all || {
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echo "i3 configuration validation failed"
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echo "For a verbose log of the failure, run 'i3 -c ${configFile} -C -d all'"
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exit 1
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};
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cp ${configFile} $out
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'';
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in {
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options = {
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xsession.windowManager.i3 = {
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enable = mkEnableOption "i3 window manager.";
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package = mkOption {
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type = types.package;
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default = pkgs.i3;
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defaultText = literalExample "pkgs.i3";
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example = literalExample "pkgs.i3-gaps";
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description = ''
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i3 package to use.
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If 'i3.config.gaps' settings are specified, 'pkgs.i3-gaps' will be set as a default package.
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'';
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};
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config = mkOption {
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type = types.nullOr configModule;
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default = { };
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description = "i3 configuration options.";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description =
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"Extra configuration lines to add to ~/.config/i3/config.";
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};
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};
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};
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config = mkIf cfg.enable (mkMerge [
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{
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home.packages = [ cfg.package ];
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xsession.windowManager.command = "${cfg.package}/bin/i3";
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xdg.configFile."i3/config" = {
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source = checkI3Config;
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onChange = ''
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i3Socket=''${XDG_RUNTIME_DIR:-/run/user/$UID}/i3/ipc-socket.*
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if [ -S $i3Socket ]; then
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echo "Reloading i3"
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$DRY_RUN_CMD ${cfg.package}/bin/i3-msg -s $i3Socket reload 1>/dev/null
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fi
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'';
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};
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}
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(mkIf (cfg.config != null) {
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xsession.windowManager.i3.package =
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mkDefault (if (cfg.config.gaps != null) then pkgs.i3-gaps else pkgs.i3);
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})
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(mkIf (cfg.config != null
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&& (any (s: s.workspace != null) cfg.config.startup)) {
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warnings = [
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("'xsession.windowManager.i3.config.startup.*.workspace' is deprecated, "
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+ "use 'xsession.windowManager.i3.config.assigns' instead."
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+ "See https://github.com/nix-community/home-manager/issues/265.")
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];
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})
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]);
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}
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