diff --git a/eve_orehold_watcher.py b/eve_orehold_watcher.py
index 9b39f41..43e3c04 100644
--- a/eve_orehold_watcher.py
+++ b/eve_orehold_watcher.py
@@ -82,6 +82,41 @@ def save_region(cp, left, top, width, height):
         cp.write(f)
 
 
+def snip_region(prompt="Drag a box around the area to watch. Esc to cancel."):
+    """Full-screen drag-select; returns (left, top, width, height) or None. Reusable
+    by any watcher that needs a one-time region (survey scanner, Local window, ...)."""
+    import tkinter as tk
+    coords = {}
+    root = tk.Tk()
+    root.attributes("-fullscreen", True)
+    root.attributes("-alpha", 0.25)
+    root.configure(bg="black")
+    canvas = tk.Canvas(root, cursor="cross", bg="black", highlightthickness=0)
+    canvas.pack(fill=tk.BOTH, expand=True)
+    rect = {"id": None, "x0": 0, "y0": 0}
+
+    def on_press(e):
+        rect["x0"], rect["y0"] = e.x_root, e.y_root
+        rect["id"] = canvas.create_rectangle(e.x, e.y, e.x, e.y, outline="red", width=2)
+
+    def on_drag(e):
+        canvas.coords(rect["id"], rect["x0"] - root.winfo_rootx(),
+                      rect["y0"] - root.winfo_rooty(), e.x, e.y)
+
+    def on_release(e):
+        x0, y0, x1, y1 = rect["x0"], rect["y0"], e.x_root, e.y_root
+        coords["r"] = (min(x0, x1), min(y0, y1), abs(x1 - x0), abs(y1 - y0))
+        root.destroy()
+
+    canvas.bind("<ButtonPress-1>", on_press)
+    canvas.bind("<B1-Motion>", on_drag)
+    canvas.bind("<ButtonRelease-1>", on_release)
+    root.bind("<Escape>", lambda e: root.destroy())
+    print(prompt)
+    root.mainloop()
+    return coords.get("r")
+
+
 RATE_PATH = os.path.join(HERE, ".mining_rate")