feat: Enhance preset saving functionality with themed modal dialog for name input

src/search_filter_ui.py

@@ -2,7 +2,7 @@
 
 import tkinter as tk
 from collections.abc import Callable
-from tkinter import messagebox, simpledialog, ttk
+from tkinter import messagebox, ttk
 
 from init import logger
 from preferences import get_pref, save_preferences, set_pref
@@ -521,11 +521,8 @@ class SearchFilterWidget:
         self._apply_filter_summary(summary)
 
     def _save_preset(self) -> None:
-        # Ask for a name
-        name = simpledialog.askstring("Save Preset", "Preset name:", parent=self.parent)
-        if not name:
-            return
-        name = name.strip()
+        # Ask for a name via themed modal dialog
+        name = self._ask_preset_name(initial=self.preset_var.get().strip())
         if not name:
             return
         presets = get_pref("filter_presets", {}) or {}
@@ -536,6 +533,65 @@ class SearchFilterWidget:
         self.preset_var.set(name)
         self._update_status()
 
+    def _ask_preset_name(self, initial: str = "") -> str | None:
+        """Prompt for a preset name using a themed ttk modal dialog.
+
+        Returns the entered name (stripped) or None if cancelled.
+        """
+        result: dict[str, str | None] = {"value": None}
+
+        top = tk.Toplevel(self.parent)
+        top.title("Save Preset")
+        top.transient(self.parent)
+        top.grab_set()
+
+        frame = ttk.Frame(top, padding="10")
+        frame.pack(fill="both", expand=True)
+
+        ttk.Label(frame, text="Preset name:").pack(anchor="w")
+        name_var = tk.StringVar(value=initial)
+        entry = ttk.Entry(frame, textvariable=name_var, width=32)
+        entry.pack(fill="x", pady=(4, 10))
+
+        buttons = ttk.Frame(frame)
+        buttons.pack(anchor="e")
+
+        def on_ok() -> None:
+            value = (name_var.get() or "").strip()
+            if not value:
+                messagebox.showwarning(
+                    "Save Preset", "Please enter a name.", parent=top
+                )
+                return
+            result["value"] = value
+            top.destroy()
+
+        def on_cancel() -> None:
+            result["value"] = None
+            top.destroy()
+
+        cancel_btn = ttk.Button(buttons, text="Cancel", command=on_cancel)
+        cancel_btn.pack(side="right")
+        ok_btn = ttk.Button(buttons, text="Save", command=on_ok)
+        ok_btn.pack(side="right", padx=(6, 0))
+
+        # Key bindings
+        entry.bind("<Return>", lambda e: on_ok())
+        entry.bind("<Escape>", lambda e: on_cancel())
+
+        # Center the dialog relative to parent
+        top.update_idletasks()
+        px, py = self.parent.winfo_rootx(), self.parent.winfo_rooty()
+        pw, ph = self.parent.winfo_width(), self.parent.winfo_height()
+        ww, wh = top.winfo_width(), top.winfo_height()
+        x = px + (pw // 2) - (ww // 2)
+        y = py + (ph // 2) - (wh // 2)
+        top.geometry(f"+{x}+{y}")
+
+        entry.focus_set()
+        top.wait_window()
+        return result["value"]
+
     def _delete_preset(self) -> None:
         name = self.preset_var.get().strip()
         if not name: