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Major demo refresh.. switched everything to new function names, new design patterns

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Out with the old, in with the new!!
This commit is contained in:
MikeTheWatchGuy 2018-09-24 18:01:00 -04:00
parent 2a06683383
commit a1f4c60271
68 changed files with 706 additions and 1863 deletions
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24
Demo_PNG_Viewer.py
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@ -1,5 +1,6 @@
import PySimpleGUI as sg
import os
from sys import exit as exit
# Simple Image Browser based on PySimpleGUI
@ -20,24 +21,23 @@ if len(png_files) == 0:
# define menu layout
menu = [['File', ['Open Folder', 'Exit']], ['Help', ['About',]]]
# create the form that also returns keyboard events
form = sg.FlexForm('Image Browser', return_keyboard_events=True, location=(0,0), use_default_focus=False )
# define layout, show and read the form
# define layout, show and read the window
col = [[sg.Text(png_files[0], size=(80, 3), key='filename')],
[sg.Image(filename=png_files[0], key='image')],
[sg.ReadFormButton('Next', size=(8,2)), sg.ReadFormButton('Prev', size=(8,2)),
[sg.ReadButton('Next', size=(8,2)), sg.ReadButton('Prev', size=(8,2)),
sg.Text('File 1 of {}'.format(len(png_files)), size=(15,1), key='filenum')]]
col_files = [[sg.Listbox(values=filenames_only, size=(60,30), key='listbox')],
[sg.ReadFormButton('Read')]]
[sg.ReadButton('Read')]]
layout = [[sg.Menu(menu)], [sg.Column(col_files), sg.Column(col)]]
button, values = form.LayoutAndRead(layout) # Shows form on screen
window = sg.Window('Image Browser', return_keyboard_events=True, location=(0,0), use_default_focus=False ).Layout(layout)
# loop reading the user input and displaying image, filename
i=0
while True:
button, values = window.Read()
# --------------------- Button & Keyboard ---------------------
if button is None:
break
@ -58,18 +58,16 @@ while True:
folder = newfolder
png_files = [folder + '/' + f for f in os.listdir(folder) if '.png' in f]
filenames_only = [f for f in os.listdir(folder) if '.png' in f]
form.FindElement('listbox').Update(values=filenames_only)
form.Refresh()
window.FindElement('listbox').Update(values=filenames_only)
window.Refresh()
i = 0
elif button == 'About':
sg.Popup('Demo PNG Viewer Program', 'Please give PySimpleGUI a try!')
# update window with new image
form.FindElement('image').Update(filename=filename)
window.FindElement('image').Update(filename=filename)
# update window with filename
form.FindElement('filename').Update(filename)
window.FindElement('filename').Update(filename)
# update page display
form.FindElement('filenum').Update('File {} of {}'.format(i+1, len(png_files)))
window.FindElement('filenum').Update('File {} of {}'.format(i+1, len(png_files)))
# read the form
button, values = form.Read()