add home-manager modules

5 files changed, 444 insertions, 0 deletions

diff --git a/modules/home-manager/personal/gui/x/i3/bar/default.nix b/modules/home-manager/personal/gui/x/i3/bar/default.nix
new file mode 100644
index 0000000..58d4bce
--- /dev/null
+++ b/modules/home-manager/personal/gui/x/i3/bar/default.nix
@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }@extraArgs:
+
+let
+  statusPackage =
+    pkgs.personal.barista.override { i3statusGo = ./i3status.go; };
+in {
+  xsession.windowManager.i3.config.bars = [{
+    statusCommand = "${statusPackage}/bin/i3status";
+    fonts = {
+      names = [ "roboto" ];
+      size = 11.0;
+    };
+    colors.background = "#111111";
+  }];
+
+  home.packages = with pkgs;
+    lib.optionals
+    (config.xsession.enable && config.xsession.windowManager.i3.enable) [
+      material-design-icons
+      roboto
+      # source-code-pro
+    ];
+
+  # (Miscellaneous) Tray icons
+  services.blueman-applet.enable =
+    lib.mkDefault (extraArgs.osConfig.services.blueman.enable);
+}
diff --git a/modules/home-manager/personal/gui/x/i3/bar/i3status.go b/modules/home-manager/personal/gui/x/i3/bar/i3status.go
new file mode 100644
index 0000000..196e6cc
--- /dev/null
+++ b/modules/home-manager/personal/gui/x/i3/bar/i3status.go
@@ -0,0 +1,289 @@
+package main
+
+import (
+	"io"
+	"net/http"
+	"os"
+	"regexp"
+	"strconv"
+	"time"
+
+	"barista.run"
+	"barista.run/bar"
+	"barista.run/colors"
+	"barista.run/group"
+	"barista.run/modules/battery"
+	"barista.run/modules/clock"
+	"barista.run/modules/diskspace"
+	"barista.run/modules/funcs"
+	"barista.run/modules/netinfo"
+	"barista.run/modules/systemd"
+	"barista.run/modules/volume"
+	"barista.run/modules/volume/pulseaudio"
+	"barista.run/modules/wlan"
+	"barista.run/outputs"
+	"barista.run/pango"
+	"barista.run/pango/icons/mdi"
+)
+
+func main() {
+	// Constants
+	colors.LoadFromMap(map[string]string{
+		// Color palette of Cezanne's Vue de la Baie de Marseille
+		"good":     "#C5D294",
+		"degraded": "#E9CC67",
+		"bad":      "#FFBC88",
+	})
+	mdi.Load() // repo path will be inserted at build time
+
+	// Display status of several services
+	updateSuccessIcon := pango.Icon("mdi-reload")
+	updatingIcon := pango.Icon("mdi-update")
+	updateFailIcon := pango.Icon("mdi-reload-alert")
+	garbageFullIcon := pango.Icon("mdi-delete")
+	garbageEmptyingIcon := pango.Icon("mdi-delete-restore")
+	garbageEmptyIcon := pango.Icon("mdi-delete-outline")
+	barista.Add(group.Simple(systemd.Service("nixos-upgrade").Output(func(i systemd.ServiceInfo) bar.Output {
+		state := i.UnitInfo.State
+		var colorScheme string
+		var output *pango.Node
+		switch {
+		case state == systemd.StateInactive:
+			colorScheme = "good"
+			output = updateSuccessIcon
+		case state == systemd.StateActivating:
+			colorScheme = "degraded"
+			output = updatingIcon
+		default:
+			colorScheme = "bad"
+			output = updateFailIcon
+		}
+		return outputs.Pango(output).Color(colors.Scheme(colorScheme))
+	}),
+		systemd.Service("nix-gc").Output(func(i systemd.ServiceInfo) bar.Output {
+			state := i.UnitInfo.State
+			var colorScheme string
+			var output *pango.Node
+			switch {
+			case state == systemd.StateInactive:
+				colorScheme = "good"
+				output = garbageEmptyIcon
+			case state == systemd.StateActivating:
+				colorScheme = "degraded"
+				output = garbageEmptyingIcon
+			default:
+				colorScheme = "bad"
+				output = garbageFullIcon
+			}
+			return outputs.Pango(output).Color(colors.Scheme(colorScheme))
+		})))
+
+	// Display space left on /
+	storageIcon := pango.Icon("mdi-database")
+	barista.Add(diskspace.New("/").Output(func(i diskspace.Info) bar.Output {
+		used := i.UsedPct()
+		var colorScheme string
+		if used >= 90 {
+			colorScheme = "bad"
+		} else if used >= 50 {
+			colorScheme = "degraded"
+		} else {
+			colorScheme = "good"
+		}
+		return outputs.Pango(storageIcon, pango.Textf(" %d%%", used)).Color(colors.Scheme(colorScheme))
+	}))
+
+	// Check connection to the Mullvad VPN
+	mullvadIsUpRe := regexp.MustCompile(`^You are connected to Mullvad`)
+	mullvadServerRe := regexp.MustCompile(`\(server (.*)\)`)
+	mullvadIpRe := regexp.MustCompile(`Your IP address is (.*)`)
+	client := &http.Client{Timeout: 3 * time.Second}
+	incognitoIcon := pango.Icon("mdi-incognito")
+	incognitoOffIcon := pango.Icon("mdi-incognito-off")
+	barista.Add(funcs.Every(5*time.Second, func(s bar.Sink) {
+		icon := incognitoOffIcon
+		message := pango.Text("")
+		colorScheme := "bad"
+		res, err := client.Get("https://am.i.mullvad.net/connected")
+		if !s.Error(err) {
+			status, err := io.ReadAll(res.Body)
+			res.Body.Close()
+			if !s.Error(err) {
+				var re *regexp.Regexp
+				if mullvadIsUpRe.Match(status) {
+					re = mullvadServerRe
+					colorScheme = "good"
+					icon = incognitoIcon
+				} else {
+					re = mullvadIpRe
+					colorScheme = "degraded"
+				}
+				result := re.FindSubmatch(status)
+				if len(result) >= 2 {
+					message = pango.Textf(" %s", result[1])
+				}
+			}
+		}
+		client.CloseIdleConnections()
+		s.Output(outputs.Pango(icon, message).Color(colors.Scheme(colorScheme)))
+	}))
+
+	// Display the wifi status
+	wifiOffIcon := pango.Icon("mdi-wifi-off")
+	wifiRefreshIcon := pango.Icon("mdi-wifi-refresh")
+	wifiOnIcon := pango.Icon("mdi-wifi")
+	barista.Add(wlan.Named("wlp2s0").Output(func(w wlan.Info) bar.Output {
+		var output *pango.Node
+		var colorScheme string
+		switch {
+		case w.Connected():
+			output = pango.New(wifiOnIcon, pango.Textf(" %s", w.SSID))
+			colorScheme = "good"
+		case w.Connecting():
+			output = wifiRefreshIcon
+			colorScheme = "degraded"
+		default:
+			output = wifiOffIcon
+			colorScheme = "bad"
+		}
+		return outputs.Pango(output).Color(colors.Scheme(colorScheme))
+	}))
+
+	// Display the ethernet status
+	ethernetCableOnIcon := pango.Icon("mdi-ethernet-cable")
+	ethernetCableOffIcon := pango.Icon("mdi-ethernet-cable-off")
+	barista.Add(netinfo.Prefix("e").Output(func(s netinfo.State) bar.Output {
+		var output *pango.Node
+		var colorScheme string
+		switch {
+		case s.Connected():
+			ip := "<no ip>"
+			if len(s.IPs) > 0 {
+				ip = s.IPs[0].String()
+			}
+			output = pango.New(ethernetCableOnIcon, pango.Textf(" %s", ip))
+			colorScheme = "good"
+		case s.Connecting():
+			output = ethernetCableOnIcon
+			colorScheme = "degraded"
+		default:
+			output = ethernetCableOffIcon
+			colorScheme = "bad"
+		}
+		return outputs.Pango(output).Color(colors.Scheme(colorScheme))
+	}))
+
+	// Display the battery status
+	batteryIcons := [11]*pango.Node{pango.Icon("mdi-battery-outline"),
+		pango.Icon("mdi-battery-10"),
+		pango.Icon("mdi-battery-20"),
+		pango.Icon("mdi-battery-30"),
+		pango.Icon("mdi-battery-40"),
+		pango.Icon("mdi-battery-50"),
+		pango.Icon("mdi-battery-60"),
+		pango.Icon("mdi-battery-70"),
+		pango.Icon("mdi-battery-80"),
+		pango.Icon("mdi-battery-90"),
+		pango.Icon("mdi-battery")}
+	batteryChargingIcons := [11]*pango.Node{pango.Icon("mdi-battery-charging-outline"),
+		pango.Icon("mdi-battery-charging-10"),
+		pango.Icon("mdi-battery-charging-20"),
+		pango.Icon("mdi-battery-charging-30"),
+		pango.Icon("mdi-battery-charging-40"),
+		pango.Icon("mdi-battery-charging-50"),
+		pango.Icon("mdi-battery-charging-60"),
+		pango.Icon("mdi-battery-charging-70"),
+		pango.Icon("mdi-battery-charging-80"),
+		pango.Icon("mdi-battery-charging-90"),
+		pango.Icon("mdi-battery-charging-100")}
+	barista.Add(battery.All().Output(func(b battery.Info) bar.Output {
+		switch b.Status {
+		case battery.Disconnected, battery.Unknown:
+			return nil
+		default:
+			var icons [11]*pango.Node
+			var colorScheme string
+			if b.Status == battery.Charging {
+				icons = batteryChargingIcons
+				colorScheme = "good"
+			} else {
+				icons = batteryIcons
+				if b.RemainingPct() <= 10 {
+					colorScheme = "bad"
+				} else if b.RemainingPct() <= 20 {
+					colorScheme = "degraded"
+				} else {
+					colorScheme = "good"
+				}
+			}
+			icon := icons[b.RemainingPct()/10]
+			return outputs.Pango(icon, pango.Textf(" %d%%", b.RemainingPct())).Color(colors.Scheme(colorScheme))
+		}
+	}))
+
+	// Display brightness
+	brightnessHighIcon := pango.Icon("mdi-lightbulb-on")
+	brightnessMidIcon := pango.Icon("mdi-lightbulb-on-outline")
+	brightnessLowIcon := pango.Icon("mdi-lightbulb-outline")
+	ReadBrightness := func(name string) (int, error) {
+		valueStr, err := os.ReadFile("/sys/class/backlight/intel_backlight/" + name)
+		if err != nil {
+			return 0, err
+		}
+		return strconv.Atoi(string(valueStr[:len(valueStr)-1]))
+	}
+	brightnessMax, _ := ReadBrightness("max_brightness") // always non-zero, unless there's an error
+	barista.Add(funcs.Every(time.Second, func(s bar.Sink) {
+		brightness, err := ReadBrightness("brightness")
+		if !s.Error(err) {
+			value := (brightness * 100) / brightnessMax
+			var icon *pango.Node
+			if value <= 30 {
+				icon = brightnessLowIcon
+			} else if value < 70 {
+				icon = brightnessMidIcon
+			} else {
+				icon = brightnessHighIcon
+			}
+			s.Output(outputs.Pango(icon, pango.Textf(" %d%%", value)))
+		}
+	}))
+
+	// Display output volume
+	volumeOffIcon := pango.Icon("mdi-volume-variant-off")
+	volumeLowIcon := pango.Icon("mdi-volume-low")
+	volumeMidIcon := pango.Icon("mdi-volume-medium")
+	volumeHighIcon := pango.Icon("mdi-volume-high")
+	barista.Add(volume.New(pulseaudio.DefaultSink()).Output(func(v volume.Volume) bar.Output {
+		volume := v.Pct()
+		var icon *pango.Node
+		if volume == 0 || v.Mute {
+			icon = volumeOffIcon
+		} else if volume <= 30 {
+			icon = volumeLowIcon
+		} else if volume <= 70 {
+			icon = volumeMidIcon
+		} else {
+			icon = volumeHighIcon
+		}
+		return outputs.Pango(icon, pango.Textf(" %d%%", volume))
+	}))
+
+	// Display microphone volume
+	microphoneOffIcon := pango.Icon("mdi-microphone-off")
+	microphoneIcon := pango.Icon("mdi-microphone")
+	barista.Add(volume.New(pulseaudio.DefaultSource()).Output(func(v volume.Volume) bar.Output {
+		volume := v.Pct() // the value returned by pulseaudio may be weird
+		var icon *pango.Node
+		if volume == 0 || v.Mute {
+			icon = microphoneOffIcon
+		} else {
+			icon = microphoneIcon
+		}
+		return outputs.Pango(icon, pango.Textf(" %d%%", volume))
+	}))
+
+	barista.Add(clock.Local().OutputFormat("2006-01-02 15:04:05"))
+
+	panic(barista.Run())
+}
diff --git a/modules/home-manager/personal/gui/x/i3/default.nix b/modules/home-manager/personal/gui/x/i3/default.nix
new file mode 100644
index 0000000..beae770
--- /dev/null
+++ b/modules/home-manager/personal/gui/x/i3/default.nix
@@ -0,0 +1,56 @@
+{ config, lib, pkgs, ... }@extraArgs:
+
+let cfg = config.personal.x.i3;
+in {
+  imports = [ ./bar ./keybindings.nix ./startup.nix ];
+
+  options.personal.x.i3 = {
+    enable = lib.mkEnableOption "i3" // {
+      default =
+        extraArgs.osConfig.services.xserver.windowManager.i3.enable or false;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    xsession.windowManager.i3 = {
+      enable = cfg.enable;
+      package = lib.mkDefault pkgs.i3-gaps;
+
+      config = {
+        assigns = lib.optionalAttrs (config.personal.profiles.multimedia
+          && (extraArgs.osConfig.programs.steam.enable or true)) {
+            "8: multimedia" = [
+              { class = "^Steam$"; }
+              { class = "Netflix"; }
+              { class = "MUBI"; }
+              { class = "Deezer"; }
+            ];
+          } // lib.optionalAttrs config.personal.profiles.social {
+            "9: social" = [
+              { class = "^Mail$"; }
+              { class = "^thunderbird$"; }
+              { class = "^Signal$"; }
+            ];
+          } // {
+            "10: passwords" = [{
+              # matches <some db>.kbdx [Locked] - KeePassXC
+              title = ".*\\.kbdx \\[Locked\\] - KeePassXC$";
+            }];
+          };
+
+        workspaceAutoBackAndForth = lib.mkDefault true;
+
+        window = {
+          titlebar = lib.mkDefault false;
+          border = lib.mkDefault 0;
+        };
+        floating.titlebar = lib.mkDefault false;
+        gaps = {
+          inner = lib.mkDefault 15;
+          outer = lib.mkDefault 5;
+        };
+      };
+    };
+    programs.rofi.enable = lib.mkDefault true;
+  };
+}
diff --git a/modules/home-manager/personal/gui/x/i3/keybindings.nix b/modules/home-manager/personal/gui/x/i3/keybindings.nix
new file mode 100644
index 0000000..3781867
--- /dev/null
+++ b/modules/home-manager/personal/gui/x/i3/keybindings.nix
@@ -0,0 +1,47 @@
+{ config, lib, pkgs, ... }:
+
+let
+  brightnessctl = "${pkgs.brightnessctl}/bin/brightnessctl";
+  brightnessctlKbd = "${brightnessctl} --device dell:kbd_backlight";
+  volumectl = "${pkgs.pulseaudio}/bin/pactl";
+  screenshot = "${pkgs.shutter}/bin/shutter";
+
+  modifier = "Mod4";
+in {
+  xsession.windowManager.i3.config = {
+    inherit modifier;
+
+    keybindings = lib.mkOptionDefault {
+      # launching apps
+      "${modifier}+Control+Return" = ''exec "$EDITOR"'';
+      "${modifier}+Shift+Return" = ''exec "$BROWSER"'';
+      "${modifier}+d" = lib.mkIf config.programs.rofi.enable
+        ''exec "rofi -modi drun,filebrowser,run,window -show drun"'';
+
+      # exiting
+      "${modifier}+Shift+e" = "exec i3-msg exit";
+      "${modifier}+l" =
+        "exec ${config.personal.home.lockscreen}/bin/lockscreen.sh";
+
+      # media keys
+      "XF86MonBrightnessUp" = "exec ${brightnessctl} set 5%+";
+      "XF86MonBrightnessDown" = "exec ${brightnessctl} set 5%-";
+      "XF86AudioRaiseVolume" =
+        "exec ${volumectl} set-sink-volume @DEFAULT_SINK@ +5%";
+      "XF86AudioLowerVolume" =
+        "exec ${volumectl} set-sink-volume @DEFAULT_SINK@ -5%";
+      "XF86AudioMute" = "exec ${volumectl} set-sink-mute @DEFAULT_SINK@ toggle";
+      "Shift+XF86AudioRaiseVolume" =
+        "exec ${volumectl} set-source-volume @DEFAULT_SOURCE@ +5%";
+      "Shift+XF86AudioLowerVolume" =
+        "exec ${volumectl} set-source-volume @DEFAULT_SOURCE@ -5%";
+      "XF86AudioMicMute" =
+        "exec ${volumectl} set-source-mute @DEFAULT_SOURCE@ toggle";
+      "XF86KbdBrightnessUp" = ''
+        exec ${brightnessctlKbd} set \
+             $(( $(${brightnessctlKbd} max) - $(${brightnessctlKbd} get) ))
+      '';
+      "Print" = "exec ${screenshot}";
+    };
+  };
+}
diff --git a/modules/home-manager/personal/gui/x/i3/startup.nix b/modules/home-manager/personal/gui/x/i3/startup.nix
new file mode 100644
index 0000000..9baf388
--- /dev/null
+++ b/modules/home-manager/personal/gui/x/i3/startup.nix
@@ -0,0 +1,25 @@
+{ config, lib, pkgs, ... }:
+
+{
+  xsession.windowManager.i3.config.startup = let
+    autostart = { command, always ? false, notification ? false }: {
+      inherit command always notification;
+    };
+    autostartIf = cond: args: lib.optional cond (autostart args);
+  in [
+    (autostart { command = "rfkill block bluetooth"; })
+    (autostart { command = "keepassxc"; })
+  ]
+  ++ autostartIf config.programs.thunderbird.enable { command = "thunderbird"; }
+  ++ autostartIf config.personal.profiles.social { command = "signal-desktop"; }
+  # ++ autostartIf config.services.redshift.enable {
+  #   command = "systemctl --user start redshift";
+  # }
+  ++ autostartIf (config.personal.home.wallpaper != null) {
+    command = "${pkgs.feh}/bin/feh --bg-scale ${config.personal.home.wallpaper}";
+  }
+  # ++ autostartIf config.services.xidlehook.enable {
+  #   command = "systemctl --user start xidlehook.service";
+  # }
+  ;
+}