#!/usr/bin/python3 import tkinter as tk from tkinter import ttk from tkinter.messagebox import showinfo # configure root window journal = tk.Tk() # set Window to fullscreen (dependend of the actual screensize) width = journal.winfo_screenwidth() height = journal.winfo_screenheight() journal.geometry("%dx%d" % (width, height)) journal.title("Ameland Kinderjournal") def send_clicked(): """ callback when the message has been composed and "Abschicken" has been clicked """ msg = f'Deine Nachricht wurde gespeichert', command = lambda: showinfo(title="Information", message="Deine Nachricht wurde gespeichert") # store name and message name = tk.StringVar() message = tk.StringVar() # Main Window journal = ttk.Frame(journal) journal.pack() # name name_label = ttk.Label(journal, text="Dein Name:") name_label.pack(fill='x', expand=True) name_entry = ttk.Entry(journal, textvariable=name) name_entry.pack(fill='x', expand=True) name_entry.focus() # textbox message_label = tk.Label(journal, text="Deine Nachricht:") message_label.pack(fill='x', expand=True) message_text = tk.Text(journal, height=50) message_text.pack() # Send Button button = ttk.Button(journal, text="Abschicken", command=send_clicked(), default="disabled") button.pack() journal.mainloop()