no message

python/Bag2.py

@@ -414,6 +414,62 @@ def send_image_to_label_printer(printer_name: str, pil_image: "Image.Image") ->
             pass
 
 
+def run_dataflex_continuous_print(
+    root: tk.Tk,
+    ip: str,
+    port: int,
+    zpl: str,
+    label_text: str,
+    set_status_message: Callable[[str, bool], None],
+) -> None:
+    """
+    Run DataFlex continuous print (up to 100) in a background thread.
+    Shows a small window with "已列印: N" and a 停止 button; user can stop anytime.
+    """
+    stop_event = threading.Event()
+    win = tk.Toplevel(root)
+    win.title("打袋機 連續列印")
+    win.geometry("320x140")
+    win.transient(root)
+    win.configure(bg=BG_TOP)
+    tk.Label(win, text="連續列印中，按「停止」結束", font=get_font(FONT_SIZE), bg=BG_TOP).pack(pady=(12, 4))
+    count_lbl = tk.Label(win, text="已列印： 0", font=get_font(FONT_SIZE), bg=BG_TOP)
+    count_lbl.pack(pady=4)
+
+    def on_stop():
+        stop_event.set()
+
+    ttk.Button(win, text="停止", command=on_stop, width=12).pack(pady=8)
+    win.protocol("WM_DELETE_WINDOW", lambda: (stop_event.set(), win.destroy()))
+
+    def worker():
+        sent = 0
+        try:
+            for _ in range(100):
+                if stop_event.is_set():
+                    break
+                send_zpl_to_dataflex(ip, port, zpl)
+                sent += 1
+                root.after(0, lambda s=sent: count_lbl.configure(text=f"已列印： {s}"))
+                if stop_event.is_set():
+                    break
+                time.sleep(2)
+        except ConnectionRefusedError:
+            root.after(0, lambda: set_status_message(f"無法連線至 {ip}:{port}，請確認印表機已開機且 IP 正確。", is_error=True))
+        except socket.timeout:
+            root.after(0, lambda: set_status_message(f"連線逾時 ({ip}:{port})，請檢查網路與連接埠。", is_error=True))
+        except OSError as err:
+            root.after(0, lambda e=err: set_status_message(f"列印失敗：{e}", is_error=True))
+        else:
+            if stop_event.is_set():
+                root.after(0, lambda: set_status_message(f"已送出列印：批次 {label_text} x {sent} 張 (已停止)", is_error=False))
+            else:
+                root.after(0, lambda: set_status_message(f"已送出列印：批次 {label_text} x {sent} 張 (連續完成)", is_error=False))
+        root.after(0, win.destroy)
+
+    threading.Thread(target=worker, daemon=True).start()
+
+
 def send_zpl_to_dataflex(ip: str, port: int, zpl: str) -> None:
     """Send ZPL to DataFlex printer via TCP. Raises on connection/send error."""
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -1246,21 +1302,23 @@ def main() -> None:
                                 stock_in_line_id=stock_in_line_id,
                                 lot_no=lot_no,
                             )
-                            n = 100 if count == -1 else count
                             label_text = (lot_no or b).strip()
-                            try:
-                                for i in range(n):
-                                    send_zpl_to_dataflex(ip, port, zpl)
-                                    if i < n - 1:
-                                        time.sleep(2)
-                                msg = f"已送出列印：批次 {label_text} x {n} 張" if count != -1 else f"已送出列印：批次 {label_text} x {n} 張 (連續)"
-                                set_status_message(msg, is_error=False)
-                            except ConnectionRefusedError:
-                                set_status_message(f"無法連線至 {ip}:{port}，請確認印表機已開機且 IP 正確。", is_error=True)
-                            except socket.timeout:
-                                set_status_message(f"連線逾時 ({ip}:{port})，請檢查網路與連接埠。", is_error=True)
-                            except OSError as err:
-                                set_status_message(f"列印失敗：{err}", is_error=True)
+                            if count == -1:
+                                run_dataflex_continuous_print(root, ip, port, zpl, label_text, set_status_message)
+                            else:
+                                n = count
+                                try:
+                                    for i in range(n):
+                                        send_zpl_to_dataflex(ip, port, zpl)
+                                        if i < n - 1:
+                                            time.sleep(2)
+                                    set_status_message(f"已送出列印：批次 {label_text} x {n} 張", is_error=False)
+                                except ConnectionRefusedError:
+                                    set_status_message(f"無法連線至 {ip}:{port}，請確認印表機已開機且 IP 正確。", is_error=True)
+                                except socket.timeout:
+                                    set_status_message(f"連線逾時 ({ip}:{port})，請檢查網路與連接埠。", is_error=True)
+                                except OSError as err:
+                                    set_status_message(f"列印失敗：{err}", is_error=True)
                 elif printer_var.get() == "標簽機":
                     com = (settings.get("label_com") or "").strip()
                     if not com: