Config_nix_Thatoo/desktop_environnement.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, lib, inputs,  ... }:

{

  services = {
    # Enable the X11 windowing system.
    xserver.enable = true;
    # Enable the login manager
    displayManager.cosmic-greeter.enable = lib.mkDefault true;
    # Enable the COSMIC DE itself
    desktopManager.cosmic.enable = lib.mkDefault true;
    # Enable XWayland support in COSMIC
    desktopManager.cosmic.xwayland.enable = lib.mkDefault true;
  };

  environment.sessionVariables.COSMIC_DATA_CONTROL_ENABLED = 1; # to make Clipboard Manager work

  systemd.user.extraConfig = ''DefaultEnvironment="PATH=/run/wrappers/bin:/etc/profiles/per-user/%u/bin:/nix/var/nix/profiles/default/bin:/run/current-system/sw/bin"'';

  specialisation = {
    gnome.configuration = {
      # Cosmic conflicts with gnome
      services.xserver.desktopManager.gnome.enable = true;
      services.desktopManager.cosmic.enable = false;
        # Cosmic requires cosmic-greeter
      services.xserver.displayManager.gdm.enable = true;
      services.displayManager.cosmic-greeter.enable = false;
      environment.systemPackages = with pkgs; [
        gnomeExtensions.appindicator
        gnomeExtensions.arcmenu
        gnomeExtensions.blur-my-shell
        gnomeExtensions.caffeine
        gnomeExtensions.clipboard-indicator
        gnomeExtensions.clipboard-history
        gnomeExtensions.compiz-alike-magic-lamp-effect
        gnomeExtensions.compiz-windows-effect
        gnomeExtensions.coverflow-alt-tab
        gnomeExtensions.custom-accent-colors
        gnomeExtensions.dash-to-panel
        gnomeExtensions.gtk4-desktop-icons-ng-ding
#        gnomeExtensions.put-windows
        gnomeExtensions.transparent-window-moving
        gnomeExtensions.unblank
        gnomeExtensions.window-state-manager
        gnome-tweaks
      ];
      programs.dconf.profiles = {
        user.databases = [{
          settings = with lib.gvariant; {
            "org/gnome/desktop/interface" = {
              cursor-theme = "Adwaita";
              gtk-theme = "Adwaita";
              icon-theme = "Adwaita";
              clock-format = "24h";
              clock-show-weekday = true;
              clock-show-seconds = true;
              show-battery-percentage = true;
            };
            "org/gnome/desktop/calendar".show-weekdate = true; 
            
            "org/gtk/settings/file-chooser" = {
              sort-directories-first = true;
#             show-hidden = true;
#             view-type = "list";
            };

            "org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom0" = {
              binding = "<Control><Alt>t";
              command = "kgx";
              name = "Terminal";
            };

            "org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom1" = {
              binding = "<Control><Alt>m";
              command = "gnome-system-monitor";
              name = "Monitor";
            };

            "org/gnome/settings-daemon/plugins/media-keys".custom-keybindings = [
              "/org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom0/"
              "/org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom1/"
            ];
            
            "org/gnome/shell".enabled-extensions = [
              "appindicatorsupport@rgcjonas.gmail.com"
              "arcmenu@arcmenu.com"
              "auto-move-windows@gnome-shell-extensions.gcampax.github.com"
              "blur-my-shell@aunetx"
              "caffeine@patapon.info"
              "clipboard-history@alexsaveau.dev"
              "CoverflowAltTab@palatis.blogspot.com"
              "custom-accent-colors@demiskp"
              "dash-to-panel@jderose9.github.com"
              "gsconnect@andyholmes.github.io"
              "gtk4-ding@smedius.gitlab.com"
              "transparent-window-moving@noobsai.github.com"
              "user-theme@gnome-shell-extensions.gcampax.github.com"
              "workspace-switch-wraparound@theychx.org"
            ];
         
#           "org/gnome/shell".favorite-apps = [
#             "firefox.desktop"
#             "thunderbird.desktop"
#             "element-desktop.desktop"
#             "org.keepassxc.KeePassXC.desktop"
#             "org.gnome.Nautilus.desktop"
#             "org.gnome.TextEditor.desktop"
#           ];
         
            "org/gnome/shell/extensions/dash-to-panel" = {
              # Even when we are not using multiple panels on multiple monitors,
              # the extension still creates them in the config, so we set the same
              # configuration for each (up to 2 monitors).
              animate-appicon-hover =  true;
              dot-position = "BOTTOM";
              dot-style-focused = "METRO";
              dot-style-unfocused = "DOTS";
              intellihide = false;
#              panel-positions = builtins.toJSON (lib.genAttrs [ "0" "1" ] (x: "TOP"));
#              panel-sizes = builtins.toJSON (lib.genAttrs [ "0" "1" ] (x: 32));
              panel-element-positions = builtins.toJSON (lib.genAttrs [ "0" "1" ] (x: [
                { element = "showAppsButton"; visible = false; position = "stackedTL"; }
                { element = "activitiesButton"; visible = false; position = "stackedTL"; }
                { element = "leftBox"; visible = true; position = "stackedTL"; }
                { element = "taskbar"; visible = true; position = "centered"; }
                { element = "centerBox"; visible = false; position = "stackedBR"; }
                { element = "rightBox"; visible = true; position = "stackedBR"; }
                { element = "dateMenu"; visible = true; position = "stackedBR"; }
                { element = "systemMenu"; visible = true; position = "stackedBR"; }
                { element = "desktopButton"; visible = false; position = "stackedBR"; }
              ]));
              multi-monitors = true;
#              show-apps-icon-file = "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake-white.svg";
#              show-apps-icon-padding = mkInt32 4;
#              focus-highlight-dominant = true;
#              dot-size = mkInt32 0;
#              appicon-padding = mkInt32 2;
#              appicon-margin = mkInt32 0;
#              trans-use-custom-opacity = true;
#              trans-panel-opacity = 0.25;
#              show-favorites = false;
#              group-apps = false;
#              isolate-workspaces = true;
#              hide-overview-on-startup = true;
#              stockgs-keep-dash = true;
            };
         
            "org/gnome/shell/extensions/arcmenu" = {
              menu-layout = "Budgie";
              menu-button-icon = "Distro_Icon";
              distro-icon = "22";
            };
         
            "org/gnome/shell/extensions/custom-accent-colors" = {
              accent-color = "purple";
              theme-flatpak = true;
              theme-gtk3 = true;
              theme-shell = true;
            };

            "org/gnome/shell/extensions/user-theme".name = "Custom-Accent-Colors";
          };
        }];
      };
      system.nixos.tags = [ "Gnome" ];
    };
  };
}