From 0d61fb3c5d71b8995fd706fc08e95481675cf95b Mon Sep 17 00:00:00 2001
From: "s0wlz (Matthias Puchstein)" <matthias@puchstein.lu>
Date: Fri, 29 May 2026 03:30:14 +0200
Subject: [PATCH] hypr: integrate hyprsunset blue light filter and game bypass

---
 .chezmoiignore.tmpl                           |  3 ++
 .gitignore                                    |  2 +
 .../hypr/hyprland.d.lua/keybinds.lua.tmpl     | 38 +++++++++++++++++++
 dot_config/hypr/hyprland.d.lua/rules.lua.tmpl | 30 +++++++++++++++
 dot_config/hypr/hyprsunset.conf.tmpl          | 21 ++++++++++
 5 files changed, 94 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 dot_config/hypr/hyprsunset.conf.tmpl

diff --git a/.chezmoiignore.tmpl b/.chezmoiignore.tmpl
index 0975d98..103290a 100644
--- a/.chezmoiignore.tmpl
+++ b/.chezmoiignore.tmpl
@@ -39,6 +39,9 @@ pkglist/
 
 AGENTS.md
 GEMINI.md
+CLAUDE.md
+.antigravitycli/
+.claude/
 
 .config/hypr/AGENTS.md
 .config/waybar/AGENTS.md
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0457760
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.antigravitycli/
+.claude/
diff --git a/dot_config/hypr/hyprland.d.lua/keybinds.lua.tmpl b/dot_config/hypr/hyprland.d.lua/keybinds.lua.tmpl
index 2163b07..d4f0e4f 100644
--- a/dot_config/hypr/hyprland.d.lua/keybinds.lua.tmpl
+++ b/dot_config/hypr/hyprland.d.lua/keybinds.lua.tmpl
@@ -400,6 +400,44 @@ hl.bind("SHIFT + XF86MonBrightnessDown", brightness_step("5%-"), { locked = true
 hl.bind("CTRL + XF86MonBrightnessUp",    brightness_step("70%"), { locked = true, description = "Brightness 70%" })
 hl.bind("CTRL + XF86MonBrightnessDown",  brightness_step("20%"), { locked = true, description = "Brightness 20%" })
 
+-- Blue light filter manual override
+-- TODO: Temporary workaround until `hyprctl hyprsunset reset` is supported in local packages.
+-- Once supported, replace `get_scheduled_temperature` and `systemctl`/`hyprctl` workaround with `hyprctl hyprsunset reset`.
+local function get_scheduled_temperature()
+  local time = os.date("*t")
+  local mins = time.hour * 60 + time.min
+  -- Profiles matching ~/.config/hypr/hyprsunset.conf:
+  -- Day: 07:00 (420 mins) -> identity
+  -- Evening: 19:30 (1170 mins) -> 4500
+  -- Night: 22:30 (1350 mins) -> 3200
+  if mins >= 1350 or mins < 420 then
+    return 3200
+  elseif mins >= 1170 and mins < 1350 then
+    return 4500
+  else
+    return "identity"
+  end
+end
+
+_G._bluelight_enabled = true
+local function toggle_bluelight()
+  _G._bluelight_enabled = not _G._bluelight_enabled
+  if _G._bluelight_enabled then
+    local target = get_scheduled_temperature()
+    if target == "identity" then
+      hl.dispatch(hl.dsp.exec_cmd("hyprctl hyprsunset identity"))
+      hl.notification.create({ text = "Blue Light Filter: Auto (OFF/Day)", timeout = 1500, icon = "info" })
+    else
+      hl.dispatch(hl.dsp.exec_cmd("hyprctl hyprsunset temperature " .. tostring(target)))
+      hl.notification.create({ text = "Blue Light Filter: Auto (" .. tostring(target) .. "K)", timeout = 1500, icon = "ok" })
+    end
+  else
+    hl.dispatch(hl.dsp.exec_cmd("hyprctl hyprsunset identity"))
+    hl.notification.create({ text = "Blue Light Filter: OFF", timeout = 1500, icon = "info" })
+  end
+end
+hl.bind(mainMod .. " + SHIFT + B", toggle_bluelight, { description = "Toggle blue light filter" })
+
 {{- if (index .chezmoi.config.data.tags "laptop") }}
 
 -- ─── Surface Type Cover ──────────────────────────────────────────────────────
diff --git a/dot_config/hypr/hyprland.d.lua/rules.lua.tmpl b/dot_config/hypr/hyprland.d.lua/rules.lua.tmpl
index 19e117d..1c2d0fa 100644
--- a/dot_config/hypr/hyprland.d.lua/rules.lua.tmpl
+++ b/dot_config/hypr/hyprland.d.lua/rules.lua.tmpl
@@ -70,6 +70,36 @@ hl.window_rule({ match = { class = "Spotify" }, workspace = "6" })
 hl.window_rule({ match = { class = "^(steam)$" }, workspace = "5" })
 {{- end }}
 
+-- Game Content Bypass (Option A - per-monitor CTM bypass)
+-- Automatically mark Steam games as "game" content type
+hl.window_rule({ match = { class = "^steam_app_%d+$" }, content = "game" })
+
+-- Dynamic bypass for custom environment variable NO_BLUELIGHT=1
+local function get_process_env(pid, name)
+  if not pid or pid <= 0 then return nil end
+  local f = io.open("/proc/" .. tostring(pid) .. "/environ", "r")
+  if not f then return nil end
+  local content = f:read("*a")
+  f:close()
+  if not content then return nil end
+  for var in content:gmatch("([^%z]+)") do
+    local k, v = var:match("^([^=]+)=(.*)$")
+    if k == name then
+      return v
+    end
+  end
+  return nil
+end
+
+hl.on("window.open", function(w)
+  if w.pid and w.pid > 0 then
+    local no_bl = get_process_env(w.pid, "NO_BLUELIGHT")
+    if no_bl == "1" then
+      hl.window_rule({ match = { class = "^" .. w.class .. "$" }, content = "game" })
+    end
+  end
+end)
+
 -- System
 hl.window_rule({ match = { class = "com.saivert.pwvucontrol" }, float = true })
 
diff --git a/dot_config/hypr/hyprsunset.conf.tmpl b/dot_config/hypr/hyprsunset.conf.tmpl
new file mode 100644
index 0000000..d262c7a
--- /dev/null
+++ b/dot_config/hypr/hyprsunset.conf.tmpl
@@ -0,0 +1,21 @@
+max-gamma = 150
+
+# Day profile: neutral display
+profile {
+  time = 07:00
+  identity = true
+}
+
+# Evening profile: warm display
+profile {
+  time = 19:30
+  temperature = 4500
+  gamma = 0.95
+}
+
+# Night profile: warmer display
+profile {
+  time = 22:30
+  temperature = 3200
+  gamma = 0.85
+}