Added play_with_gui

Tkinter/play_with_gui/README.md

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+Based on we_are_number_one.py. Shows off lots and lots of Tkinter stuff.
+Might not work, will test later. I think it works though, just make sure PIL is installed.

Tkinter/play_with_gui/play_with_gui_tkinter_main.py

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+import tkinter as tk
+from tkinter import ttk
+from PIL import Image, ImageTk
+import os
+
+window = tk.Tk()
+window.title('We are number one! (Hey!)')
+# width & height don't need to be there explicitly, but improves readability
+window.minsize(width=800, height=450)
+# window.maxsize(width=800, height=600)  # By default monitor size
+
+# Label
+top_text = tk.Label(text="Here's a little lesson in trickery", font='Arial 18 bold')
+top_text.pack(pady=5, side=tk.TOP)
+
+bottom_text = tk.Label(text='This is going down in history', font='Arial 18 bold')
+bottom_text.pack(pady=5, side=tk.BOTTOM)
+
+
+# Button
+def button_clicked():
+    # top_text['text'] = 'Button was pressed'  # Another way to change the text (it works like a dict)
+    top_text.config(text='Hi')
+
+
+button = tk.Button(text='Click me!', command=button_clicked)
+button.pack(pady=30)
+
+# I don't like these, so I'm commenting them out
+# Entry (one line text box)
+my_entry = tk.Entry(width=30)
+my_entry.focus()
+my_entry.insert(index=0, string='Some text to begin with')
+my_entry.pack(pady=5, side=tk.LEFT)
+
+# Text
+my_text = tk.Text(height=5, width=30)
+my_text.focus()
+my_text.insert(index=tk.END, chars='Enter input: ')
+my_text.pack(pady=5, padx=5, side=tk.RIGHT)
+
+
+# Spinbox
+def spinbox_used():
+    top_text.config(text=my_spinbox.get() + ' Luftballons')
+    print(my_spinbox.get())
+
+
+my_spinbox = tk.Spinbox(from_=0, to=99, width=5, command=spinbox_used)
+my_spinbox.pack(pady=10)
+
+
+# Scale
+def scale_used(value):
+    top_text.config(text=value + ' Luftballons')
+
+
+my_scale = tk.Scale(from_=0, to=99, command=scale_used, orient=tk.HORIZONTAL, width=10, length=396)
+my_scale.pack(pady=5, padx=7)
+
+
+# Checkbutton (Checkbox)
+def checkbutton_used():
+    print(checked_state.get())
+    if checked_state.get() == 1:
+        bottom_text.config(text='The Berlin wall has been torn down')
+    else:
+        bottom_text.config(text='The Berlin wall is still standing')
+
+
+checked_state = tk.IntVar()
+my_checkbutton = tk.Checkbutton(text='Is after November 9, 1989', variable=checked_state, command=checkbutton_used)
+my_checkbutton.pack(pady=2)
+
+
+# Radiobutton
+def radio_used():
+    print(radio_state.get())
+
+
+radio_state = tk.IntVar()
+radiobutton1 = tk.Radiobutton(text='Option1', value=1, variable=radio_state, command=radio_used)
+radiobutton2 = tk.Radiobutton(text='Option2', value=2, variable=radio_state, command=radio_used)
+radiobutton3 = tk.Radiobutton(text='Option3', value=3, variable=radio_state, command=radio_used)
+radiobutton1.pack()
+radiobutton2.pack()
+radiobutton3.pack(pady=(0, 5))  # Puts 5 padding on bottom
+
+
+# Listbox
+def listbox_used(event):
+    print(my_listbox.get(my_listbox.curselection()))
+
+
+my_listbox = tk.Listbox(height=3)
+fruits = ['Apple', 'Pear', 'Orange', 'Banana']
+for i, fruit in enumerate(fruits):
+    my_listbox.insert(i, fruit)
+my_listbox.bind(sequence='<<ListboxSelect>>', func=listbox_used)
+my_listbox.pack()
+
+
+# Combobox
+def combobox_used(event):
+    print(str_value.get())
+
+
+str_value = tk.StringVar()
+my_combobox = ttk.Combobox(width=30, textvariable=str_value)
+my_combobox.bind(sequence='<<ComboboxSelect>>', func=combobox_used)
+my_combobox['values'] = ('Hast', 'du', 'etwas', 'Zeit', 'für', 'mich?')
+my_combobox.pack(pady=(5, 108))
+
+# Slideshow presenter
+# Load the image file names into a list
+file_list = []
+for path, subdirs, files in os.walk('my_images'):
+    for filename in files:
+        f = os.path.join(path, filename)
+        file_list.append(f)
+
+
+def next_image():
+    global image_num
+    # Get image name and load it
+    image_num = (image_num + 1) % len(file_list)
+    load = Image.open(file_list[image_num])
+    # pic_label.config(text=file_list[image_num])
+
+    # Place image on canvas
+    img = ImageTk.PhotoImage(load)
+    canvas.itemconfig(image_container, image=img)
+    canvas.imgref = img
+
+
+CANVAS_WIDTH = 790
+CANVAS_HEIGHT = 440
+canvas = tk.Canvas(width=CANVAS_WIDTH, height=CANVAS_HEIGHT,
+                   highlightcolor='black', highlightbackground='black',
+                   highlightthickness=5)
+image_container = canvas.create_image(CANVAS_WIDTH // 2, CANVAS_HEIGHT // 2)
+canvas.pack(padx=5, pady=5)
+image_num = -1
+
+# pic_label = tk.Label(text='')
+# pic_label.pack(pady=5)
+
+next_image()
+
+# next_button = tk.Button(text='Next', command=next_image)
+# next_button.pack(pady=5)
+
+# This must be at the end of your program
+window.mainloop()