Here is a real world Tkinter GUI that I made for a command line application that translates between MIDI files and Text files. The code follows the screen shot.
# -*- coding: ISO-8859-1 -*-
import sys
if not('.' in sys.path): sys.path.append('.')
import midi24txt
from Tkinter import *
from tkFileDialog import *
# thinking in tkinter http://www.ferg.org/thinking_in_tkinter/all_programs.html
class TheGui:
def __init__(self, parent):
#------- frmSetup ----------#
self.frmSetup = Frame(parent, bd=5)
self.frmSetup.pack()
self.inChoices = ('Text', 'Midi')
self.varRadio = IntVar()
self.r1 = Radiobutton(self.frmSetup, text="Convert Text INPUT into Midi OUTPUT",
variable=self.varRadio, value=0, command=self.selRadio)
self.r1.pack(anchor=W)
self.r2 = Radiobutton(self.frmSetup, text="Convert Midi INPUT into Text OUTPUT",
variable=self.varRadio, value=1, command=self.selRadio)
self.r2.pack(anchor=W)
#------- frmSetup ----------#
sep = Frame(parent, width=1, bd=5, bg='black')
sep.pack(fill=X, expand=1)
#------- frmIn ----------#
# http://effbot.org/tkinterbook/tkinter-widget-styling.htm
self.frmIn = Frame(parent, bd=5)
self.frmIn.pack()
self.lblIn = Label(self.frmIn, text='Text Input File Path', width=20)
self.lblIn.pack(side=LEFT)
self.inFilePath = StringVar() # http://effbot.org/tkinterbook/entry.htm
self.entIn = Entry(self.frmIn, width=20, textvariable=self.inFilePath)
self.entIn.pack(side=LEFT)
self.btnIn = Button(self.frmIn, text='Browse', command=self.btnInBrowseClick)
self.btnIn.pack(side=LEFT)
#------- frmIn ----------#
#------- frmOut ----------#
self.frmOut = Frame(parent, bd=5)
self.frmOut.pack()
self.lblOut = Label(self.frmOut, text='Midi Output File Path', width=20)
self.lblOut.pack(side=LEFT)
self.outFilePath = StringVar()
self.entOut = Entry(self.frmOut, width=20, textvariable=self.outFilePath)
self.entOut.pack(side=LEFT)
self.btnOut = Button(self.frmOut, text='Browse', command=self.btnOutBrowseClick)
self.btnOut.pack(side=LEFT)
#------- frmOut ----------#
sep = Frame(parent, width=1, bd=5, bg='black')
sep.pack(fill=X, expand=1)
#------- frmButtons ----------#
self.frmOut = Frame(parent, bd=5)
self.frmOut.pack()
self.btnConvert = Button(self.frmOut,
text='Convert', command=self.btnConvertClick)
self.btnConvert.pack()
#------- handle commands ----------#
def selRadio(self):
self.lblIn.config(text = self.inChoices[self.varRadio.get()]
+ ' Input File Path')
self.lblOut.config(text = self.inChoices[(self.varRadio.get()+1)%2]
+ ' Output File Path')
print str(self.varRadio.get())
def btnInBrowseClick(self):
rFilepath = askopenfilename(defaultextension='*',
initialdir='.', initialfile='', parent=self.frmIn, title='select a file')
self.inFilePath.set(rFilepath)
print self.entIn.get()
def btnOutBrowseClick(self):
rFilepath = asksaveasfilename(defaultextension='*',
initialdir='.', initialfile='', parent=self.frmIn, title='select a file')
self.outFilePath.set(rFilepath)
print self.entOut.get()
def btnConvertClick(self):
if self.varRadio.get() == 0:
inputTextFilePath = str(self.inFilePath.get())
outputMidiFilePath = str(self.outFilePath.get())
print 'midi 4 txt', inputTextFilePath, outputMidiFilePath
midi24txt.mid4txt(inputTextFilePath, outputMidiFilePath)
else:
inputMidiFilePath = str(self.inFilePath.get())
outputTextFilePath = str(self.outFilePath.get())
print 'midi 2 txt', inputMidiFilePath, outputTextFilePath
midi24txt.mid2txt(inputMidiFilePath, outputTextFilePath)
root = Tk()
root.title("Convert between Midi and Text Files")
#http://infohost.nmt.edu/tcc/help/pubs/tkinter/std-attrs.html#geometry
#http://infohost.nmt.edu/tcc/help/pubs/tkinter/toplevel.html
root.geometry("350x200+10+10")
gui = TheGui(root)
root.mainloop()
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