From b7c095d9c01a758945b4d0bb14a50c77d08b9969 Mon Sep 17 00:00:00 2001
From: MikeTheWatchGuy <mike_barnett@hotmail.com>
Date: Fri, 31 Aug 2018 09:10:15 -0400
Subject: [PATCH] New demo that shows how to use new spinner change submits
 capability

---
 Demo_Font_Sizer.py | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Demo_Font_Sizer.py

diff --git a/Demo_Font_Sizer.py b/Demo_Font_Sizer.py
new file mode 100644
index 00000000..452e22b5
--- /dev/null
+++ b/Demo_Font_Sizer.py
@@ -0,0 +1,28 @@
+
+# Testing async form, see if can have a spinner
+# that adjusts the size of text displayed
+
+import PySimpleGUI as sg
+
+form = sg.FlexForm("Font size selector")
+
+fontSize = 12
+sampleText = sg.Text("Aa", size=(2, 1), font="Helvetica " + str(fontSize))
+layout = [
+          [sampleText, sg.Spin([sz for sz in range(4,72)], font=('Helvetica 20'), initial_value=fontSize, change_submits=True, key='spin')],
+          [sg.OK(), sg.Cancel()]
+         ]
+
+sz = fontSize
+form.Layout(layout)
+while True:
+    button, values= form.Read()
+    if button is None:
+        break
+    sz = int(values['spin'])
+    if sz != fontSize:
+        fontSize = sz
+        font = "Helvetica " + str(fontSize)
+        sampleText.Update(font=font)
+
+print("Done.")