rewrote performance mode into lua

modules/hardware/battery.nix

@@ -336,184 +336,5 @@
         install -m755 qtbatticon $out/bin/
       '';
     };
-    # This was replaced by caelestia shell's Game Mode
-    packages.custom-performance = pkgs.writeShellApplication {
-      name = "custom-performance";
-      runtimeInputs = with pkgs; [
-        hyprland
-        brightnessctl
-        swaynotificationcenter
-        self.packages.${pkgs.system}.custom-wallpaper
-        libnotify
-        inputs.caelestia-shell.packages.${pkgs.system}.default
-      ];
-      text = ''
-        STATE="$HOME/.cache/hypr-battery-saver"
-
-        enable() {
-            mkdir -p "$(dirname "$STATE")"
-
-            echo "Enabling battery saver mode..."
-
-            # Save brightness
-            brightnessctl get > "''${STATE}.brightness" 2>/dev/null || true
-
-            # Kill heavy UI components
-            pkill -f caelestia-shell || true
-            pkill -f caelestia || true
-            pkill shell || true
-            pkill -f custom-wallpaper || true
-
-            # Start lightweight notifications
-            pkill swaync || true
-            swaync & disown
-
-            # Start lightweight waybar
-            pkill waybar || true
-            waybar & disown
-
-            # Lower refresh rate (BIGGEST win)
-            hyprctl keyword monitor "eDP-1,2560x1600@60,0x0,1"
-
-            # Core performance toggles
-            hyprctl --batch "\
-                keyword animations:enabled 0;\
-                keyword animation borderangle,0;\
-                keyword decoration:shadow:enabled 0;\
-                keyword decoration:blur:enabled 0;\
-                keyword decoration:rounding 0;\
-                keyword decoration:fullscreen_opacity 1;\
-                keyword general:gaps_in 0;\
-                keyword general:gaps_out 0;\
-                keyword general:border_size 1;\
-                keyword decoration:active_opacity 1;\
-                keyword decoration:inactive_opacity 1;\
-                keyword misc:vfr true"
-
-            # Lower brightness
-            brightnessctl set 5% 2>/dev/null || true
-
-            touch "$STATE"
-
-            notify-send "Battery Saver" "Enabled"
-        }
-
-        disable() {
-            echo "Disabling battery saver mode..."
-
-            # Restore refresh rate
-            hyprctl keyword monitor "eDP-1,2560x1600@165,0x0,1"
-
-            # Restore Caelestia
-            pkill swaync || true
-            pkill waybar || true
-            caelestia shell -d >/dev/null 2>&1 &
-            disown
-
-
-            # Restart wallpaper
-            custom-wallpaper >/dev/null 2>&1 &
-            disown
-
-            # Restore full UI via reload (safe here on exit)
-            hyprctl reload
-
-            # Restore brightness
-            if [[ -f "''${STATE}.brightness" ]]; then
-                brightnessctl set "$(cat "''${STATE}.brightness")" 2>/dev/null || true
-            fi
-
-            rm -f "$STATE" "''${STATE}.brightness"
-
-            notify-send "Battery Saver" "Disabled"
-        }
-
-        if [[ -f "$STATE" ]]; then
-            disable
-        else
-            enable
-        fi
-      '';
-    };
-    # Old script that was used for the battery. Might not work.
-    packages.custom-olddeprecatedbatterynotify = pkgs.writeShellApplication {
-      name = "custom-olddeprecatedbatterynotify";
-
-      runtimeInputs = with pkgs; [
-        libnotify # provides notify-send
-        systemd # provides systemctl
-      ];
-
-      text = ''
-        set -euo pipefail
-
-        LOW="''${BATTERY_LOW_THRESHOLD:-20}"
-        CRITICAL="''${BATTERY_CRITICAL_THRESHOLD:-5}"
-        FULL="''${BATTERY_FULL_THRESHOLD:-95}"
-        INTERVAL="''${BATTERY_INTERVAL:-30}"
-        ACTION="''${BATTERY_CRITICAL_ACTION:-systemctl suspend}"
-
-        notify() {
-          notify-send -a "Battery" -u "$1" "$2" "$3"
-        }
-
-        get_info() {
-          total=0
-          count=0
-
-          for bat in /sys/class/power_supply/BAT*; do
-            [ -f "$bat/capacity" ] || continue
-            capacity=$(<"$bat/capacity")
-            status=$(<"$bat/status")
-            total=$((total + capacity))
-            count=$((count + 1))
-          done
-
-          [ "$count" -gt 0 ] || exit 0
-          percentage=$((total / count))
-        }
-
-        last_state=""
-
-        while true; do
-          get_info
-
-          if [[ "$status" == "Discharging" && "$percentage" -le "$CRITICAL" ]]; then
-            notify critical "Battery Critically Low" "$percentage% — suspending."
-            $ACTION
-
-          elif [[ "$status" == "Discharging" && "$percentage" -le "$LOW" ]]; then
-            if [[ "$last_state" != "low" ]]; then
-              notify normal "Battery Low" "$percentage% remaining."
-              last_state="low"
-            fi
-
-          elif [[ "$status" != "Discharging" && "$percentage" -ge "$FULL" ]]; then
-            if [[ "$last_state" != "full" ]]; then
-              notify normal "Battery Full" "$percentage% — unplug charger."
-              last_state="full"
-            fi
-
-          else
-            last_state=""
-          fi
-
-          sleep "$INTERVAL"
-        done
-      '';
-    };
-  };
-  flake.homeModules.cbatticon = _: {
-    # don't works. some GTK error. I let it here if someday, someone is interest in this shit.
-    # ChatGPT half baked a replacement that works on my system.
-    # see qtbatticon
-    services.cbatticon = {
-      enable = true;
-      lowLevelPercent = 20;
-      criticalLevelPercent = 5;
-      batteryId = "BAT1";
-      hideNotification = true; # we use another script for battery notifications
-      updateIntervalSeconds = 10;
-    };
   };
 }

other/hyprland/hyprland.lua

@@ -38,6 +38,7 @@ local function close_other_windows()
     end
 end
 
+local wallpapers_enabled = true
 local wallpapers = {
     [1] = "WALLPAPER1/PATH/PLACEHOLDER",
     [2] = "WALLPAPER2/PATH/PLACEHOLDER",
@@ -51,13 +52,144 @@ local wallpapers = {
     [10] = "WALLPAPER5/PATH/PLACEHOLDER",
 }
 
-hl.on("workspace.active", function(workspace)
+local function set_wallpaper(workspace)
+    if not wallpapers_enabled then
+        return
+    end
+
     local wallpaper = wallpapers[workspace.id]
 
     if wallpaper then
         hl.exec_cmd("awww img -t none " .. wallpaper)
     end
-end)
+end
+
+hl.on("workspace.active", set_wallpaper)
+
+local performance_mode = false
+local saved_brightness = nil
+
+local function get_brightness()
+    local handle = io.popen("brightnessctl get 2>/dev/null")
+
+    if not handle then
+        return nil
+    end
+
+    local value = handle:read("*a")
+    handle:close()
+
+    if not value then
+        return nil
+    end
+
+    value = value:gsub("%s+$", "")
+    return tonumber(value)
+end
+
+local function set_performance_mode()
+      if performance_mode then
+        hl.monitor({
+            output = "eDP-1",
+            mode = "2560x1600@165",
+            position = "0x0",
+            scale = 1,
+        })
+
+        hl.exec_cmd("pkill swaync || true")
+        hl.exec_cmd("pkill waybar || true")
+        hl.exec_cmd("caelestia shell -d")
+
+        if saved_brightness then
+            hl.exec_cmd("brightnessctl set " .. saved_brightness)
+        end
+
+        saved_brightness = nil
+        wallpapers_enabled = true
+        performance_mode = false
+
+        hl.exec_cmd("hyprctl reload")
+
+        local workspace = hl.get_active_workspace()
+        if workspace then
+            set_wallpaper(workspace)
+        end
+
+        hl.notification.create({
+            text = "Battery Saver",
+            subtext = "Disabled",
+            timeout = 3000,
+        })
+
+        return
+    end
+    -- Save current brightness.
+    saved_brightness = get_brightness()
+
+    -- Lower refresh rate.
+    hl.monitor({
+        output = "eDP-1",
+        mode = "2560x1600@60",
+        position = "0x0",
+        scale = 1,
+    })
+
+    -- Stop heavy UI components.
+    hl.exec_cmd("pkill -f caelestia-shell || true")
+    hl.exec_cmd("pkill -f caelestia || true")
+
+    -- Start lightweight notification daemon.
+    hl.exec_cmd("pkill swaync || true")
+    hl.exec_cmd("swaync")
+
+    -- Start lightweight status bar.
+    hl.exec_cmd("pkill waybar || true")
+    hl.exec_cmd("waybar")
+
+    -- Disable expensive Hyprland effects.
+    hl.config({
+        animations = {
+            enabled = false,
+        },
+
+        decoration = {
+            shadow = {
+                enabled = false,
+            },
+            blur = {
+                enabled = false,
+            },
+            rounding = 0,
+            fullscreen_opacity = 1,
+            active_opacity = 1,
+            inactive_opacity = 1,
+        },
+
+        general = {
+            gaps_in = 0,
+            gaps_out = 0,
+            border_size = 1,
+        },
+
+        misc = {
+            vfr = 1,
+        },
+    })
+
+    -- Lower brightness.
+    hl.exec_cmd("brightnessctl set 5%")
+
+    -- Disable workspace wallpaper switching.
+    wallpapers_enabled = false
+
+    performance_mode = true
+
+    hl.notification.create({
+        text = "Battery Saver",
+        subtext = "Enabled",
+        timeout = 3000,
+    })
+end
 
 hl.curve("wind", { type = "bezier", points = { { 0.05, 0.9 }, { 0.1, 1.05 } } })
 hl.curve("winIn", { type = "bezier", points = { { 0.1, 1.1 }, { 0.1, 1.1 } } })
@@ -171,12 +303,19 @@ hl.bind(mod .. " + F", hl.dsp.exec_cmd(browser))
 hl.bind(mod .. " + N", hl.dsp.exec_cmd(notes))
 hl.bind(mod .. " + SHIFT + A", hl.dsp.exec_cmd("caelestia shell drawers toggle launcher"))
 hl.bind(mod .. " + Q", close_or_move_special)
-hl.bind("CTRL + ALT + W", hl.dsp.exec_cmd("caelestia shell drawers toggle sidebar"))
+local function toggle_sidebar()
+    if performance_mode then
+        hl.exec_cmd("swaync-client -t")
+    else
+        hl.exec_cmd("caelestia shell drawers toggle sidebar")
+    end
+end
+hl.bind("CTRL + ALT + W", toggle_sidebar)
 hl.bind(mod .. " + L", hl.dsp.exec_cmd("caelestia shell lock lock"))
 hl.bind("F11", hl.dsp.exec_cmd("caelestia screenshot"))
 hl.bind(mod .. " + SHIFT + S", hl.dsp.exec_cmd("caelestia shell picker open"))
 hl.bind(mod .. " + CTRL + 6", close_other_windows)
-hl.bind("CTRL + ALT + 7", hl.dsp.exec_cmd("custom-performance"))
+hl.bind("CTRL + ALT + 7", set_performance_mode)
 hl.bind("CTRL + ALT + 1", hl.dsp.exec_cmd("caelestia shell drawers toggle sidebar"))
 hl.bind(mod .. " + CTRL + 4", hl.dsp.exec_cmd("caelestia shell notifs toggleDnd"))
 hl.bind(mod .. " + CTRL + 3", hl.dsp.exec_cmd("pavucontrol"))
@@ -794,7 +933,6 @@ hl.on("hyprland.start", function()
     hl.exec_cmd("custom-batterywarning")
     hl.exec_cmd("awww img WALLPAPER/PATH/PLACEHOLDER")
     hl.exec_cmd("awww-daemon")
-    hl.exec_cmd("sleep 1 && custom-wallpaper")
     hl.exec_cmd("custom-checkKdrive && custom-mountkdrive")
     hl.exec_cmd("custom-gitnotify")
     hl.exec_cmd("sleep 4 & caelestia-shell")