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Difference between revisions of "Tkinter"
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<nowiki>''' | <nowiki>''' cal.py</nowiki> | ||
A updated tiny calculator using the Tkinter GUI toolkit | A updated tiny calculator using the Tkinter GUI toolkit | ||
you can type in functions contained in module math | you can type in functions contained in module math | ||
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# the root will be self | # the root will be self | ||
tk.Tk.__init__(self) | tk.Tk.__init__(self) | ||
self.title(" | self.title("Darknet TK Calculator") | ||
# use width x height + x_offset + y_offset (no spaces!) | # use width x height + x_offset + y_offset (no spaces!) | ||
#self.geometry("300x150+150+50") | #self.geometry("300x150+150+50") | ||
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python3 cal.py | python3 cal.py | ||
=== Explanation of the source code === | |||
The below link is the origin of the [[source code]]. | |||
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https://www.daniweb.com/programming/software-development/code/467452/updated-tiny-tkinter-calculator-python | https://www.daniweb.com/programming/software-development/code/467452/updated-tiny-tkinter-calculator-python | ||
The lines confined by three ' are [[comment]]s. See [[Python]] article to see more detailed explanation. | |||
The below [[code]]s are for [[Python]] 2 so I removed or modified them. Because most people use Python 3 instead of Python 2 in these days. | |||
# avoid integer division by Python2 | |||
from __future__ import division | |||
and | |||
try: | |||
# Python2 | |||
import Tkinter as tk | |||
except ImportError: | |||
# Python3 | |||
import tkinter as tk | |||
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from math import * | |||
from functools import partial | |||
import tkinter as tk | |||
The second line means that importing "partial" from "functools". The first line means that importing everything from "math". The last line means that importing "tkinter" as the name "tk". | |||
Under MyApp [[class]], there are three [[function]]s defined by "def". [[Definition]] is different to [[declaration]]. | |||
==Description== | ==Description== | ||
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* [[Beautiful Soup]] | * [[Beautiful Soup]] | ||
* [[Pygame]] | * [[Pygame]] | ||
* [[Security]] | |||
* [[Program]] ([[Programming]]) | * [[Program]] ([[Programming]]) | ||
*[[Computer program]], a collection of instructions that performs a specific task when executed by a computer | * [[Computer program]], a collection of instructions that performs a specific task when executed by a computer | ||
*[[Computer programming]], the act of instructing computers to perform tasks | * [[Computer programming]], the act of instructing computers to perform tasks | ||
**[[Programming language]], an artificial language designed to communicate instructions to a machine | ** [[Programming language]], an artificial language designed to communicate instructions to a machine | ||
*[[Programmer]], a person who writes software | * [[Programmer]], a person who writes software | ||
== References == | == References == | ||