From 8bb5fffb69c5ab9ce2975bc143d7ba44a624c292 Mon Sep 17 00:00:00 2001
From: Christoph Urlacher <christoph.urlacher@protonmail.com>
Date: Sat, 12 Jul 2025 15:38:14 +0200
Subject: [PATCH] Modules/Btop: Move btop config into module

---
 home/modules/btop/default.nix | 120 ++++++++++++++++++++++++++++++++++
 home/modules/btop/options.nix |   9 +++
 home/modules/default.nix      |   1 +
 3 files changed, 130 insertions(+)
 create mode 100644 home/modules/btop/default.nix
 create mode 100644 home/modules/btop/options.nix

diff --git a/home/modules/btop/default.nix b/home/modules/btop/default.nix
new file mode 100644
index 00000000..548ba882
--- /dev/null
+++ b/home/modules/btop/default.nix
@@ -0,0 +1,120 @@
+{
+  config,
+  nixosConfig,
+  lib,
+  mylib,
+  pkgs,
+  ...
+}: let
+  inherit (config.modules) btop;
+in {
+  options.modules.btop = import ./options.nix {inherit lib mylib;};
+
+  config = lib.mkIf btop.enable {
+    programs.btop = {
+      enable = true;
+      package =
+        if btop.cuda
+        then pkgs.btop-cuda
+        else pkgs.btop;
+      settings = {
+        #* Themes should be placed in "../share/btop/themes" relative to binary or "$HOME/.config/btop/themes"
+        color_theme = "Default";
+        truecolor = true;
+        vim_keys = true;
+        rounded_corners = true;
+        graph_symbol = "braille";
+        shown_boxes = "cpu gpu0 mem net proc";
+        update_ms = 1000;
+        proc_sorting = "memory";
+        proc_tree = true;
+        proc_mem_bytes = true;
+        proc_cpu_graphs = true;
+
+        #* Use /proc/[pid]/smaps for memory information in the process info box (very slow but more accurate)
+        proc_info_smaps = false;
+
+        #* In tree-view, always accumulate child process resources in the parent process.
+        proc_aggregate = true;
+
+        #* Sets the CPU stat shown in upper half of the CPU graph, "total" is always available.
+        #* Select from a list of detected attributes from the options menu.
+        cpu_graph_upper = "user";
+
+        #* Sets the CPU stat shown in lower half of the CPU graph, "total" is always available.
+        #* Select from a list of detected attributes from the options menu.
+        cpu_graph_lower = "system";
+
+        #* If gpu info should be shown in the cpu box. Available values = "Auto", "On" and "Off".
+        show_gpu_info = "Off";
+
+        show_uptime = true;
+        check_temp = true; # Show cpu temperature
+        show_coretemp = true;
+
+        #* Set a custom mapping between core and coretemp, can be needed on certain cpus to get correct temperature for correct core.
+        #* Use lm-sensors or similar to see which cores are reporting temperatures on your machine.
+        #* Format "x:y" x=core with wrong temp, y=core with correct temp, use space as separator between multiple entries.
+        #* Example: "4:0 5:1 6:3"
+        cpu_core_map = "";
+
+        temp_scale = "celsius";
+        base_10_sizes = false;
+        show_cpu_freq = true;
+
+        #* Draw a clock at top of screen, formatting according to strftime, empty string to disable.
+        #* Special formatting: /host = hostname | /user = username | /uptime = system uptime
+        clock_format = "%X";
+
+        #* Optional filter for shown disks, should be full path of a mountpoint, separate multiple values with whitespace " ".
+        #* Begin line with "exclude=" to change to exclude filter, otherwise defaults to "most include" filter. Example: disks_filter="exclude=/boot /home/user".
+        disks_filter = "";
+
+        #* Show graphs instead of meters for memory values.
+        mem_graphs = true;
+
+        #* If swap memory should be shown in memory box.
+        show_swap = true;
+
+        #* Show swap as a disk, ignores show_swap value above, inserts itself after first disk.
+        swap_disk = false;
+
+        #* If mem box should be split to also show disks info.
+        show_disks = true;
+
+        #* Filter out non physical disks. Set this to False to include network disks, RAM disks and similar.
+        only_physical = true;
+
+        #* Read disks list from /etc/fstab. This also disables only_physical.
+        use_fstab = true;
+
+        #* Toggles if io activity % (disk busy time) should be shown in regular disk usage view.
+        show_io_stat = true;
+
+        #* Use network graphs auto rescaling mode, ignores any values set above and rescales down to 10 Kibibytes at the lowest.
+        net_auto = true;
+
+        #* Sync the auto scaling for download and upload to whichever currently has the highest scale.
+        net_sync = true;
+
+        #* "True" shows bitrates in base 10 (Kbps, Mbps). "False" shows bitrates in binary sizes (Kibps, Mibps, etc.). "Auto" uses base_10_sizes.
+        base_10_bitrate = false;
+
+        #* Show battery stats in top right if battery is present.
+        show_battery = true;
+
+        #* Which battery to use if multiple are present. "Auto" for auto detection.
+        selected_battery = "Auto";
+
+        #* Show power stats of battery next to charge indicator.
+        show_battery_watts = true;
+
+        #* Measure PCIe throughput on NVIDIA cards, may impact performance on certain cards.
+        nvml_measure_pcie_speeds = true;
+
+        #* Horizontally mirror the GPU graph.
+        gpu_mirror_graph = false;
+      };
+    };
+  };
+}
diff --git a/home/modules/btop/options.nix b/home/modules/btop/options.nix
new file mode 100644
index 00000000..0f17e244
--- /dev/null
+++ b/home/modules/btop/options.nix
@@ -0,0 +1,9 @@
+{
+  lib,
+  mylib,
+  ...
+}: {
+  enable = lib.mkEnableOption "Enable the btop system monitor";
+
+  cuda = lib.mkEnableOption "Enable Cuda support for btop";
+}
diff --git a/home/modules/default.nix b/home/modules/default.nix
index 71425278..759205e5 100644
--- a/home/modules/default.nix
+++ b/home/modules/default.nix
@@ -4,6 +4,7 @@
 
     # My own HM modules
     ./beets
+    ./btop
     ./chromium
     ./color
     ./docs