New Feature - change_submits for InputText

Demo_Change_Submits_InputText.py

@@ -0,0 +1,46 @@
+#!/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 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='_in1_'), sg.FileBrowse()],
+          [sg.T('This input clears after submit'),sg.In(change_submits=True,
+                                                        key='_in5_'), sg.FileBrowse()],
+          [ sg.RButton('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