#!/usr/bin/env python

import sys

if sys.version_info[0] >= 3:

import PySimpleGUI as sg

else:

import PySimpleGUI27 as sg

"""

Demonstrates the new change_submits parameter for inputtext elements

It ONLY submits when a button changes the field, not normal user input

Be careful on persistent forms to not clear the input

"""

layout = [[ sg.Text('Test of reading input field') ],

[sg.T('This input is normal'), sg.In()],

[sg.T('This input change submits'), sg.In(change_submits=True)],

[sg.T('This multiline input change submits'), sg.Multiline(change_submits=True, do_not_clear=True)],

[sg.T('This input is normal'), sg.In(), sg.FileBrowse()],

[sg.T('File Browse submits'), sg.In(change_submits=True,

do_not_clear=True,

key='_in1_'), sg.FileBrowse()],

[sg.T('Color Chooser submits'), sg.In(change_submits=True,

do_not_clear=True,

key='_in2_'), sg.ColorChooserButton('Color...', target=(sg.ThisRow, -1))],

[sg.T('Folder Browse submits'), sg.In(change_submits=True,

do_not_clear=True,

key='_in3_'), sg.FolderBrowse()],

[sg.T('Calendar Chooser submits'), sg.In(change_submits=True,

do_not_clear=True,

key='_in4_'), sg.CalendarButton('Date...', target=(sg.ThisRow, -1))],

[sg.T('Disabled input submits'), sg.In(change_submits=True,

do_not_clear=True,

disabled=True,

key='_in5'), sg.FileBrowse()],

[sg.T('This input clears after submit'),sg.In(change_submits=True,

key='_in6_'), sg.FileBrowse()],

[ sg.Button('Read')]]

window = sg.Window('Demonstration of InputText with change_submits',

auto_size_text=False,

default_element_size=(22,1),

text_justification='right',

).Layout(layout)

while True: # Event Loop

event, values = window.Read()

print(event, values)

if event is None:

break