<--SyntaxHighlighter--> SyntaxHighlighter.all();

1. hello_world.py

import PySimpleGUI as sg

sg.Window(title="Hello World", layout=[[]], margins=(100,50)).read()

 

2. hello_psg.py

import PySimpleGUI as sg

layout = [
    [sg.Text("Hello from PySimpleGUI")],
    [sg.Button("OK")]
]

window = sg.Window("Demo", layout)

while True:
    event, values = window.read()
    if event =="OK" or event == sg.WIN_CLOSED:
        break

window.close()

3. Image_Viewer.py

import PySimpleGUI as sg
import os.path
file_list_column = [
    [
        sg.Text("Image Folder"),
        sg.In(size=(25,1), enable_events=True, key="-FOLDER-"),
        sg.FolderBrowse(),
    ],
    [
        sg.Listbox(
            values=[], enable_events=True, size=(40, 20),
            key="-FILE LIST-"
        )
    ],
]
image_viewer_column = [
    [sg.Text("Choose an image from the list on the left:")],
    [sg.Text(size=(40,1), key="-TOUT-")],
    [sg.Image(key="-IMAGE-")],
]

layout = [
    [
        sg.Column(file_list_column),
        sg.VSeperator(),
        sg.Column(image_viewer_column),
    ]
]

window = sg.Window("Image Viewer", layout)

while True:
    event, values = window.read()
    if event =="Exit" or event == sg.WINDOW_CLOSED:
        break
    if event == "-FOLDER-":
        folder = values["-FOLDER-"]
        try:
            file_list = os.listdir(folder)
        except:
            file_list = []

        fnames = [
            f
            for f in file_list
            if os.path.isfile(os.path.join(folder, f))
            and f.lower().endswith((".png", ".gif"))
        ]
        window["-FILE LIST-"].update(fnames)
    elif event == "-FILE LIST-":
        try:
            filename = os.path.join(
                values["-FOLDER-"], values["-FILE LIST-"][0]
            )
            window["-TOUT-"].update(filename)
            window["-IMAGE-"].update(filename=filename)
        except:
            pass


window.close()

 

<결과>

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