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Commit b6262b2

Browse files
Popups & Sample GUIs
Exploring PySimpleGUI
1 parent 6530540 commit b6262b2

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-31
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‎One_Shot_Window.py‎

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'''A Simple GUI Login Popup.'''
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import PySimpleGUI as sg
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# Define the window layout which consists of a username label,
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# input text box, a password label and a password textbox where the
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# input characters are masked.
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LAYOUT = [[sg.Text("Name:")],
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[sg.Input(key='-INPUT-')],
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[sg.Text('Password:')],
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[sg.InputText('', key='Password', password_char='*')],
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[sg.Button('OK'), sg.Button('Cancel')]]
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# Create the window
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WINDOW = sg.Window('Login', LAYOUT)
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# Display and interact with the Window using an Event Loop.
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# When a button is clicked, the click event returns the text
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# of the button clicked by the user.
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while True:
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EVENT, VALUES = WINDOW.read()
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# See if user wants to quit or window was closed
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if EVENT in (sg.WINDOW_CLOSED, 'Cancel'):
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break
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# if the user clicks OK, display a message with login success.
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# No validation is added at this point as this is purely to
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# introduce the GUI concepts.
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if EVENT == 'OK':
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sg.Popup('SUCCESS! (This is to ensure that the message is\
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long enough for the popup title to be visible)',
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title='Login Result', modal=True)
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# Finish up by removing from the screen
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WINDOW.close()
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'''IMAGE VIEWER
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PySimpleGUI reads images in PNG, GIF, PPM/PGM format.
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JPEGs cannot be shown because tkinter does not naively support these formats.
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JPEGs can be converted to PNG format using the Python Imaging Library (PIL)
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package prior to viewing them using PySimpleGUI package.
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Sample code for conversion from JPEG/JPG to PNGs is hsown in the commented code block below.
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extension = values["image_file"].lower().split(".")[-1]
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if extension in ["jpg", "jpeg"]: # JPG file
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new_filename = values["image_file"].replace(extension, "png")
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im = Image.open(values["image_file"])
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im.save(new_filename)
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'''
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import os.path
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import PySimpleGUI as sg
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FILE_SELECT_COLUMN_LAYOUT = [
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[sg.Text("Image Folder"),
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sg.In(size=(25, 1), enable_events=True, key="-FOLDER-"),
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sg.FolderBrowse(),],
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[sg.Listbox(values=[], enable_events=True, size=(40, 20), key="-FILE LIST-")],]
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IMAGE_VIEWER_COLUMN_LAYOUT = [
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[sg.Text("Choose an image from list on left:")],
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[sg.Text(size=(40, 1), key="-IMAGE_FILE-")],
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[sg.Image(key="-IMAGE-")],
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]
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# ----- Full Window Layout -----
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WINDOW_LAYOUT = [[sg.Column(FILE_SELECT_COLUMN_LAYOUT),
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sg.VSeperator(), sg.Column(IMAGE_VIEWER_COLUMN_LAYOUT),]]
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CURRENT_WORKING_DIRECTORY = os.path.dirname(os.path.realpath(__file__))
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WINDOW = sg.Window("Image Viewer", WINDOW_LAYOUT, icon=CURRENT_WORKING_DIRECTORY + "\\img_view.ico")
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# Run the Event Loop
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while True:
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EVENT, VALUES = WINDOW.read()
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if EVENT in (sg.WIN_CLOSED, "Exit"):
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break
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# Folder name was filled in, make a list of files in the folder
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if EVENT == "-FOLDER-":
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FOLDER = VALUES["-FOLDER-"]
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try:
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# Get list of files in folder
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FILE_LIST = os.listdir(FOLDER)
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except:
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FILE_LIST = []
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FNAMES = [
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imgfile for imgfile in FILE_LIST
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if os.path.isfile(os.path.join(FOLDER, imgfile))
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and imgfile.lower().endswith((".png", ".gif"))
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]
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WINDOW["-FILE LIST-"].update(FNAMES)
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elif EVENT == "-FILE LIST-": # A file was chosen from the listbox
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try:
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FILENAME = os.path.join(
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VALUES["-FOLDER-"], VALUES["-FILE LIST-"][0]
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)
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WINDOW["-IMAGE_FILE-"].update(FILENAME)
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WINDOW["-IMAGE-"].update(filename=FILENAME)
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except:
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pass
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WINDOW.close()
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'''ANIMATED POPUP'''
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import PySimpleGUI as sg
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for i in range(100000):
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sg.popup_animated(sg.DEFAULT_BASE64_LOADING_GIF, title='Animated Popup',
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no_titlebar=False, background_color='white', time_between_frames=100)

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