From b9831360803d08188caba5aec458e9334f8e52a0 Mon Sep 17 00:00:00 2001 From: Bruno BELANYI Date: Sun, 4 Apr 2021 13:49:02 +0000 Subject: [PATCH] home: wm: i3: add configuration --- home/wm/i3.nix | 288 ++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 286 insertions(+), 2 deletions(-) diff --git a/home/wm/i3.nix b/home/wm/i3.nix index 3039cd6..649210b 100644 --- a/home/wm/i3.nix +++ b/home/wm/i3.nix @@ -1,14 +1,298 @@ -{ config, lib, ... }: +{ config, lib, pkgs, ... }: let isEnabled = config.my.home.wm.windowManager == "i3"; + + terminal = "i3-sensible-terminal"; + + alt = "Mod1"; # `Alt` key + modifier = "Mod4"; # `Super` key + movementKeys = [ "Left" "Down" "Up" "Right" ]; + vimMovementKeys = [ "h" "j" "k" "l" ]; + shutdownMode = + "(l)ock, (e)xit, switch_(u)ser, (h)ibernate, (r)eboot, (Shift+s)hutdown"; + + # Takes an attrset of bindings for movement keys, transforms it to Vim keys + toVimKeyBindings = + let + toVimKeys = builtins.replaceStrings movementKeys vimMovementKeys; + in + lib.my.renameAttrs toVimKeys; + + # Takes an attrset of bindings for movement keys, add equivalent Vim keys + addVimKeyBindings = bindings: bindings // (toVimKeyBindings bindings); + # Generate an attrset of movement bindings, using the mapper function + genMovementBindings = f: addVimKeyBindings (lib.my.genAttrs' movementKeys f); in { config = lib.mkIf isEnabled { + home.packages = with pkgs; [ + arandr # Used by a mapping + flameshot # Used by a mapping, started at startup + playerctl # Used by a mapping + ]; + xsession.windowManager.i3 = { enable = true; config = { - modifier = "Mod4"; # `Super` key + inherit modifier; + + bars = + let + barConfigPath = + config.xdg.configFile."i3status-rust/config-top.toml".target; + in + [ + { + statusCommand = "i3status-rs ${barConfigPath}"; + trayOutput = "primary"; + position = "top"; + + colors = { + background = "#021215"; + statusline = "#93a1a1"; + separator = "#2aa198"; + + focusedWorkspace = { + border = "#2aa198"; + background = "#073642"; + text = "#eee895"; + }; + + activeWorkspace = { + border = "#073642"; + background = "#002b36"; + text = "#839496"; + }; + + inactiveWorkspace = { + border = "#002b36"; + background = "#021215"; + text = "#586e75"; + }; + + urgentWorkspace = { + border = "#cb4b16"; + background = "#dc322f"; + text = "#fdf6e3"; + }; + }; + } + ]; + + floating = { + inherit modifier; + + criteria = [ + { class = "^tridactyl_editor$"; } + { class = "^Blueman-.*$"; } + { title = "^htop$"; } + { class = "^Thunderbird$"; instance = "Mailnews"; window_role = "filterlist"; } + { class = "^Pavucontrol.*$"; } + { class = "^Arandr$"; } + ]; + }; + + focus = { + followMouse = true; # It is annoying sometimes, but useful enough to use + mouseWarping = true; # Let's moving around when switching screens + }; + + fonts = [ + "DejaVu Sans Mono 8" + ]; + + # I don't care for i3's default values, I specify them all explicitly + keybindings = builtins.foldl' (lhs: rhs: lhs // rhs) { } [ + { + # The basics + "${modifier}+Return" = "exec ${terminal}"; + "${modifier}+Shift+Return" = "exec env TMUX=nil ${terminal}"; + "${modifier}+Shift+q" = "kill"; + "${modifier}+f" = "fullscreen toggle"; + "${modifier}+Shift+c" = "reload"; + "${modifier}+Shift+r" = "restart"; + "${modifier}+Shift+e" = + "exec i3-nagbar -t warning -m 'Do you want to exit i3?' -b 'Yes' 'i3-msg exit'"; + } + { + # Splits + "${modifier}+g" = "split h"; # Horizontally + "${modifier}+v" = "split v"; # Vertically + } + { + # Layouts + "${modifier}+s" = "layout stacking"; + "${modifier}+w" = "layout tabbed"; + "${modifier}+e" = "layout toggle split"; + } + { + # Toggle tiling/floating + "${modifier}+Control+space" = "floating toggle"; + # Change focus between tiling/floating + "${modifier}+space" = "focus mode_toggle"; + } + { + # Focus parent container + "${modifier}+q" = "focus parent"; + # Focus child container + "${modifier}+a" = "focus child"; + } + { + # Rofi tools + "${modifier}+d" = "exec rofi -show drun -disable-history"; + "${modifier}+Shift+d" = "exec rofi -show run -disable-history"; + "${modifier}+p" = "exec --no-startup-id flameshot gui"; + "${modifier}+Shift+p" = "exec rofi -show emoji"; + } + ( + # Changing container focus + genMovementBindings ( + key: lib.nameValuePair + "${modifier}+${key}" + "focus ${lib.toLower key}" + ) + ) + ( + # Changing screen focus + genMovementBindings ( + key: lib.nameValuePair + "${modifier}+${alt}+${key}" + "focus output ${lib.toLower key}" + ) + ) + ( + # Moving workspace to another screen + genMovementBindings ( + key: lib.nameValuePair + "${modifier}+${alt}+Control+${key}" + "move workspace to output ${lib.toLower key}" + ) + ) + ( + # Moving container to another screen + genMovementBindings ( + key: lib.nameValuePair + "${modifier}+${alt}+Shift+${key}" + "move container to output ${lib.toLower key}" + ) + ) + (addVimKeyBindings { + # Scroll through workspaces on given screen + "${modifier}+Control+Left" = "workspace prev_on_output"; + "${modifier}+Control+Right" = "workspace next_on_output"; + # Use scratchpad + "${modifier}+Control+Up" = "move to scratchpad"; + "${modifier}+Control+Down" = "scratchpad show"; + }) + ( + # Moving floating window + genMovementBindings ( + key: lib.nameValuePair + "${modifier}+Shift+${key}" + "move ${lib.toLower key} 10 px" + ) + ) + { + # Media keys + "XF86AudioRaiseVolume" = "exec amixer -q -D pulse sset Master 5%+"; + "XF86AudioLowerVolume" = "exec amixer -q -D pulse sset Master 5%-"; + "Control+XF86AudioRaiseVolume" = "exec amixer -q -D pulse sset Master 1%+"; + "Control+XF86AudioLowerVolume" = "exec amixer -q -D pulse sset Master 1%-"; + "XF86AudioMute" = "exec amixer -q -D pulse sset Master toggle"; + + "XF86AudioPlay" = "exec playerctl play-pause"; + "XF86AudioNext" = "exec playerctl next"; + "XF86AudioPrev" = "exec playerctl previous"; + } + { + # Sub-modes + "${modifier}+r" = "mode resize"; + "${modifier}+Shift+space" = "mode floating"; + "${modifier}+0" = ''mode "${shutdownMode}"''; + } + ]; + + keycodebindings = + let + toKeycode = n: if n == 0 then 19 else n + 9; + createWorkspaceBindings = mapping: command: + let + createWorkspaceBinding = num: + lib.nameValuePair + "${mapping}+${toString (toKeycode num)}" + "${command} ${toString num}"; + oneToNine = builtins.genList (x: x + 1) 9; + in + lib.my.genAttrs' oneToNine createWorkspaceBinding; + in + builtins.foldl' (lhs: rhs: lhs // rhs) { } [ + (createWorkspaceBindings modifier "workspace number") + (createWorkspaceBindings "${modifier}+Shift" "move container to workspace number") + ]; + + modes = + let + makeModeBindings = attrs: (addVimKeyBindings attrs) // { + "Escape" = "mode default"; + "Return" = "mode default"; + }; + in + { + resize = makeModeBindings { + # Normal movements + "Left" = "resize shrink width 10 px or 10 ppt"; + "Down" = "resize grow height 10 px or 10 ppt"; + "Up" = "resize shrink height 10 px or 10 ppt"; + "Right" = "resize grow width 10 px or 10 ppt"; + # Small movements + "Control+Left" = "resize shrink width 1 px or 1 ppt"; + "Control+Down" = "resize grow height 1 px or 1 ppt"; + "Control+Up" = "resize shrink height 1 px or 1 ppt"; + "Control+Right" = "resize grow width 1 px or 1 ppt"; + # Big movements + "Shift+Left" = "resize shrink width 100 px or 100 ppt"; + "Shift+Down" = "resize grow height 100 px or 100 ppt"; + "Shift+Up" = "resize shrink height 100 px or 100 ppt"; + "Shift+Right" = "resize grow width 100 px or 100 ppt"; + }; + + floating = makeModeBindings { + # Normal movements + "Left" = "move left 10 px"; + "Down" = "move down 10 px"; + "Up" = "move up 10 px"; + "Right" = "move right 10 px"; + # Small movements + "Control+Left" = "move left 1 px"; + "Control+Down" = "move down 1 px"; + "Control+Up" = "move up 1 px"; + "Control+Right" = "move right 1 px"; + # Big movements + "Shift+Left" = "move left 100 px"; + "Shift+Down" = "move down 100 px"; + "Shift+Up" = "move up 100 px"; + "Shift+Right" = "move right 100 px"; + }; + + ${shutdownMode} = makeModeBindings { + "l" = "exec --no-startup-id loginctl lock-session, mode default"; + "s" = "exec --no-startup-id systemctl suspend, mode default"; + "u" = "exec --no-startup-id dm-tool switch-to-greeter, mode default"; + "e" = "exec --no-startup-id i3-msg exit, mode default"; + "h" = "exec --no-startup-id systemctl hibernate, mode default"; + "r" = "exec --no-startup-id systemctl reboot, mode default"; + "Shift+s" = "exec --no-startup-id systemctl poweroff, mode default"; + }; + }; + + startup = [ + # FIXME + # { commdand; always; notification; } + { + command = "flameshot"; + } + ]; }; }; };