general ipc calls

Helpers/Wallpapers.qml

@@ -20,7 +20,7 @@ Searcher {
         actualCurrent = path;
         WallpaperPath.currentWallpaperPath = path;
 		Wallust.generateColors(WallpaperPath.currentWallpaperPath);
-		Quickshell.execDetached(["sh", "-c", `python3 ${Quickshell.shellPath("scripts/LockScreenBg.py")} --input_image=${root.actualCurrent} --output_path=${Paths.state}/lockscreen_bg.png --blur_amount=${Config.lock.blurAmount}`]);
+		Quickshell.execDetached(["sh", "-c", `zshell-cli wallpaper lockscreen --input_image=${root.actualCurrent} --output_path=${Paths.state}/lockscreen_bg.png --blur_amount=${Config.lock.blurAmount}`]);
     }
 
     function preview(path: string): void {

cli/src/zshell/subcommands/shell.py

@@ -5,22 +5,33 @@ args = ["qs", "-c", "zshell"]
 
 app = typer.Typer()
 
+
 @app.command()
 def kill():
     subprocess.run(args + ["kill"], check=True)
 
+
 @app.command()
 def start(no_daemon: bool = False):
     subprocess.run(args + ([] if no_daemon else ["-d"]), check=True)
 
+
 @app.command()
 def show():
     subprocess.run(args + ["ipc"] + ["show"], check=True)
 
+
 @app.command()
 def log():
     subprocess.run(args + ["log"], check=True)
 
+
 @app.command()
 def lock():
     subprocess.run(args + ["ipc"] + ["call"] + ["lock"] + ["lock"], check=True)
+
+
+@app.command()
+def call(target: str, method: str, method_args: list[str] = typer.Argument(None)):
+    subprocess.run(args + ["ipc"] + ["call"] + [target] +
+                   [method] + method_args, check=True)

cli/src/zshell/subcommands/wallpaper.py

@@ -1,6 +1,8 @@
 import subprocess
 import typer
 
+from typing import Annotated
+from PIL import Image, ImageFilter
 from pathlib import Path
 
 args = ["qs", "-c", "zshell"]
@@ -12,3 +14,27 @@ app = typer.Typer()
 def set(wallpaper: Path):
     subprocess.run(args + ["ipc"] + ["call"] +
                    ["wallpaper"] + ["set"] + [wallpaper], check=True)
+
+
+@app.command()
+def lockscreen(
+        input_image: Annotated[
+            Path,
+            typer.Option(),
+        ],
+        output_path: Annotated[
+            Path,
+            typer.Option(),
+        ],
+        blur_amount: int = 20
+):
+    img = Image.open(input_image)
+    size = img.size
+    if (size[0] < 3840 or size[1] < 2160):
+        img = img.resize((size[0] // 2, size[1] // 2), Image.NEAREST)
+    else:
+        img = img.resize((size[0] // 4, size[1] // 4), Image.NEAREST)
+
+    img = img.filter(ImageFilter.GaussianBlur(blur_amount))
+
+    img.save(output_path, "PNG")