def display_deck():
if selected_items_deck:
chat_messages.delete(1.0, tk.END) # Clear existing messages
for item in selected_items_deck:
chat_messages.insert(tk.END, f"{item}\n")
else:
chat_messages.delete(1.0, tk.END) # Clear existing messages
chat_messages.insert(tk.END, "デッキが空です")

root = tk.Tk()
root.title("Excel風表")
root.geometry("960x540") # ウィンドウのサイズを設定

# 表を左側に配置
tree = ttk.Treeview(root, columns=("one", "two"))
tree.column("#0", width=150, minwidth=150, stretch=tk.NO)
tree.column("one", width=100, minwidth=100, stretch=tk.NO)
tree.column("two", width=100, minwidth=100, stretch=tk.NO)
tree.heading("#0", text="Name", anchor=tk.W)
tree.heading("one", text="Age", anchor=tk.W)
tree.heading("two", text="Country", anchor=tk.W)
tree.pack(side=tk.LEFT, padx=20)

# サンプルデータの挿入
tree.insert("", "end", text="John Doe", values=("25", "USA"))
tree.insert("", "end", text="Anna Smith", values=("30", "UK"))
tree.insert("", "end", text="Peter Brown", values=("28", "Canada"))

tree.pack(pady=20)