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Commit ad60675

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tkinter_tut
1 parent 1c4c831 commit ad60675

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2 files changed

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2 files changed

+169
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‎tkintertut.py

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from tkinter import *
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from tkinter import ttk
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def get_sum(*args):
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try:
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num_1_val = float(num_1.get())
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num_2_val = float(num_2.get())
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solution.set(num_1_val + num_2_val)
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except ValueError:
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pass
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root = Tk()
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root.title("Calculator")
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frame = ttk.Frame(root, padding="10 10 10 10")
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frame.grid(column=0, row=0, sticky=(N, W, E, S))
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root.columnconfigure(0, weight=1)
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root.rowconfigure(0, weight=1)
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num_1 = StringVar()
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num_2 = StringVar()
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num_3 = StringVar()
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solution = StringVar()
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num_1_entry = ttk.Entry(frame, width=7, textvariable=num_1)
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num_1_entry.grid(column=1, row=1, sticky=(W, E))
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ttk.Label(frame, text="+").grid(column=2, row=1, sticky=(W, E))
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num_2_entry = ttk.Entry(frame, width=7, textvariable=num_2)
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num_2_entry.grid(column=3, row=1, sticky=(W, E))
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ttk.Button(frame, text="Add", command=get_sum).grid(column=1, row=2, sticky=(W, E))
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solution_entry = ttk.Entry(frame, width=7, textvariable=solution)
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solution_entry.grid(column=3, row=2, sticky=(W, E))
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num_1_entry.focus()
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root.bind('<Return>', get_sum)
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root.mainloop()

‎tkintertut2.py

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# ---------- TKINTER TUTORIAL 2 ----------
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# Here I'll show how to use the widgets label, entry
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# button, check button, radio buttons and combo boxes
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# Get the standard library for Tk
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from tkinter import *
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# Get the newest widget themes from Tk 8.5
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from tkinter import ttk
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def set_entry(*args):
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entry_1_txt.set("Hello")
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def chk_but_changed(*args):
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entry_1_txt.set(chk_but_1_txt.get())
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def radio_changed(*args):
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entry_1_txt.set(radio_but_1_val.get())
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def combo_changed(*args):
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entry_1_txt.set(combo_1_val.get())
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root = Tk()
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root.title("Calculator")
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frame = ttk.Frame(root, padding="10 10 10 10")
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# ---------- GRID GEOMETRY MANAGER ----------
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frame.grid(column=0, row=0, sticky=(N, W, E, S))
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root.columnconfigure(0, weight=1)
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root.rowconfigure(0, weight=1)
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# ----- LABELS -----
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# Used to get and set value of the label
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label_1_txt = StringVar()
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# Define the parent and text in the label
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label_1 = ttk.Label(frame, text='Data :')
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label_1.grid(column=1, row=1, sticky=(W, E))
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# To change a value you must attach to the StringVar class
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label_1['textvariable'] = label_1_txt
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label_1_txt.set('Data ')
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# ----- ENTRY -----
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# Used to get and set the value of the entry
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entry_1_txt = StringVar()
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# Define the number of characters long and the StringVar
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# it is associated with
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entry_1 = ttk.Entry(frame, width=7, textvariable=entry_1_txt)
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entry_1.grid(column=2, row=1, sticky=(W, E))
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# You can get values by using get on a StringVar
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entry_1_txt.set(label_1_txt.get())
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# ----- BUTTON -----
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# Assign text in button and the function to call when clicked
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button_1 = ttk.Button(frame, text='Click', command=set_entry)
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button_1.grid(column=3, row=1, sticky=(W, E))
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# You can disable the button
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button_1['state'] = 'disabled'
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button_1['state'] = 'enable'
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# Check if it is disabled (1 = True, 0 = False)
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entry_1_txt.set(button_1.instate(['disabled']))
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# ----- CHECK BUTTON -----
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chk_but_1_txt = StringVar()
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# Text to display next to it, function to call, StringVar,
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# value assigned when check and not checked
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chk_but_1 = ttk.Checkbutton(frame, text='Feelings',
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command=chk_but_changed,
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variable=chk_but_1_txt,
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onvalue='Happy', offvalue='Sad')
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chk_but_1.grid(column=4, row=1, sticky=(W, E))
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# ----- RADIO BUTTONS -----
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# Only 1 radio button can be selected at a time
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# Shared StringVar
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radio_but_1_val = StringVar()
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# Parent, text assigned, StringVar, value assigned to StringVar,
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# function to call on event
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red_r_but = ttk.Radiobutton(frame, text='Red',
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variable=radio_but_1_val,
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value='Red', command=radio_changed)
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blue_r_but = ttk.Radiobutton(frame, text='Blue',
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variable=radio_but_1_val,
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value='Blue', command=radio_changed)
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green_r_but = ttk.Radiobutton(frame, text='Green',
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variable=radio_but_1_val,
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value='Green', command=radio_changed)
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red_r_but.grid(column=2, row=2, sticky=(W, E))
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blue_r_but.grid(column=3, row=2, sticky=(W, E))
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green_r_but.grid(column=4, row=2, sticky=(W, E))
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# Label for radio buttons
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label_2 = ttk.Label(frame, text='Fav Color')
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label_2.grid(column=1, row=2, sticky=(W, E))
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# ----- COMBOBOX -----
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# Drop down boxes that contain a list of values
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combo_1_val = StringVar()
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combo_1 = ttk.Combobox(frame, textvariable=combo_1_val)
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label_3 = ttk.Label(frame, text='Size')
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label_3.grid(column=1, row=3, sticky=(W, E))
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# Assign values to the combobox
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combo_1['values'] = ('Small', 'Medium', 'Large')
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combo_1.grid(column=2, row=3, sticky=(W, E))
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# Call a function when combobox is changed
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combo_1.bind('<<ComboboxSelected>>', combo_changed)
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# A loop that executes until the application exits
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root.mainloop()

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