New Demo - Desktop Widget (aka Rainmeter) Digital Picture Frame
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PySimpleGUI
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import PySimpleGUI as sg
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import sys
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import datetime
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import PIL, PIL.Image, PIL.ImageTk
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import random
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import os
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import io
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"""
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Another simple Desktop Widget using PySimpleGUI
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This one shows images from a folder of your choosing.
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You can change the new "Standard Desktop Widget Settings"
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* Theme, location, alpha channel, refresh info,
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Specific to this Widget are
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* Image size
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* How long to show the image and if you wnt this time to vary semi-randomly
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* Folder containing your image
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Copyright 2021 PySimpleGUI
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"""
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ALPHA = 0.9 # Initial alpha until user changes
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THEME = 'Dark green 3' # Initial theme until user changes
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refresh_font = sg.user_settings_get_entry('-refresh font-', 'Courier 8')
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# May add ability to change theme from the user interface. For now forcing to constant
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UPDATE_FREQUENCY_MILLISECONDS = 1000 * 60 * 60 # update every hour
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def convert_to_bytes(file_or_bytes, resize=None):
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image = PIL.Image.open(file_or_bytes)
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image.thumbnail(resize)
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photo_img = PIL.ImageTk.PhotoImage(image)
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return photo_img
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def choose_theme(location):
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layout = [[sg.Text(f'Current theme {sg.theme()}')],
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[sg.Listbox(values=sg.theme_list(), size=(20, 20), key='-LIST-')],
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[sg.OK(), sg.Cancel()]]
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event, values = sg.Window('Look and Feel Browser', layout, location=location, keep_on_top=True).read(close=True)
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if event == 'OK' and values['-LIST-']:
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sg.theme(values['-LIST-'][0])
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sg.user_settings_set_entry('-theme-', values['-LIST-'][0])
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return values['-LIST-'][0]
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return None
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def make_window(location):
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alpha = sg.user_settings_get_entry('-alpha-', ALPHA)
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# ------------------- Window Layout -------------------
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# If this is a test window (for choosing theme), then uses some extra Text Elements to display theme info
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# and also enables events for the elements to make the window easy to close
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right_click_menu = [[''], ['Choose Image Folder', 'Edit Me', 'Change Theme', 'Set Image Size',
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'Set Time Per Image','Save Location', 'Refresh', 'Show Refresh Info', 'Hide Refresh Info', 'Alpha',
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[str(x) for x in range(1, 11)], 'Exit', ]]
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refresh_info = [[sg.T(size=(25, 1), font=refresh_font, k='-REFRESHED-', justification='c')],
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[sg.T(size=(40,1), justification='c', font=refresh_font, k='-FOLDER-')],
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[sg.T(size=(40,1), justification='c', font=refresh_font, k='-FILENAME-')]]
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main_layout = [[sg.Image(k='-IMAGE-', enable_events=True)]]
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layout = main_layout + \
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[[sg.pin(sg.Column(refresh_info, key='-REFRESH INFO-', element_justification='c', visible=sg.user_settings_get_entry('-show refresh-', True)))]]
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window = sg.Window('Photo Frame', layout, location=location, no_titlebar=True, grab_anywhere=True, margins=(0, 0), element_justification='c', element_padding=(0, 0), alpha_channel=alpha, finalize=True, right_click_menu=right_click_menu, keep_on_top=True)
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return window
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def main():
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loc = sg.user_settings_get_entry('-location-', (None, None))
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sg.theme(sg.user_settings_get_entry('-theme-', None))
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window = make_window(loc)
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time_per_image = sg.user_settings_get_entry('-time per image-', 60)
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vary_randomly = sg.user_settings_get_entry('-random time-', False)
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width, height = sg.user_settings_get_entry('-image size-', (400,300))
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image_folder = sg.user_settings_get_entry('-image_folder-', None)
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try:
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os.listdir(image_folder) # Try reading the folder to check to see if it is read
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except:
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image_folder = None
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sg.user_settings_set_entry('-image_folder-', None)
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if image_folder is None:
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while True:
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image_folder = sg.popup_get_folder('Choose location of your images', location=window.current_location(), keep_on_top=True)
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if image_folder is not None:
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sg.user_settings_set_entry('-image_folder-', image_folder)
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break
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else:
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if sg.popup_yes_no('No folder entered','Go you want to exit the program entirely?', keep_on_top=True) == 'Yes':
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exit()
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images = os.listdir(image_folder)
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images = [i for i in images if i.lower().endswith(('.png', '.jpg', '.gif'))]
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while True: # Event Loop
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# First update the status information
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# for debugging show the last update date time
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image_name =random.choice(images)
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image_data = convert_to_bytes(os.path.join(image_folder, image_name), (width, height))
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window['-IMAGE-'].update(data=image_data)
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window['-FOLDER-'].update(image_folder)
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window['-FILENAME-'].update(image_name)
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print(f'showing {image_name}')
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window['-REFRESHED-'].update(datetime.datetime.now().strftime("%m/%d/%Y %I:%M:%S %p"))
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# -------------- Start of normal event loop --------------
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timeout = time_per_image * 1000 + (random.randint(int(-time_per_image * 500), int(time_per_image * 500)) if vary_randomly else 0)
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event, values = window.read(timeout=timeout)
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print(event, values)
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if event == sg.WIN_CLOSED or event == 'Exit':
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break
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if event == 'Edit Me':
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sg.execute_editor(__file__)
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elif event == 'Choose Image Folder':
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folder = sg.popup_get_folder('Choose location of your images', default_path=image_folder, location=window.current_location(), keep_on_top=True)
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if folder is not None:
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image_folder = folder
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window['-FOLDER-'].update(image_folder)
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sg.user_settings_set_entry('-image_folder-', image_folder)
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images = os.listdir(image_folder)
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images = [i for i in images if i.lower().endswith(('.png', '.jpg', '.gif'))]
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elif event == 'Set Time Per Image':
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layout = [[sg.T('Enter number of seconds each image should be displayed')],
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[sg.I(time_per_image, size=(5,1),k='-TIME PER IMAGE-')],
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[sg.CB('Use some randomness', vary_randomly, k='-RANDOM TIME-')],
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[sg.Ok(), sg.Cancel()]]
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event, values = sg.Window('Display duration',layout, location=window.current_location(), keep_on_top=True, no_titlebar=True ).read(close=True)
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if event == 'Ok':
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try:
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time_per_image = int(values['-TIME PER IMAGE-'])
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vary_randomly = values['-RANDOM TIME-']
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sg.user_settings_set_entry('-time per image-', time_per_image)
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sg.user_settings_set_entry('-random time-', values['-RANDOM TIME-'])
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except:
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sg.popup_error('Bad number of seconds entered', location=window.current_location(), keep_on_top=True)
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elif event == 'Set Image Size':
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layout = [[sg.T('Enter size should be shown at in pixels (width, height)')],
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[sg.I(width, size=(4,1),k='-W-'), sg.I(height, size=(4,1),k='-H-')],
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[sg.Ok(), sg.Cancel()]]
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event, values = sg.Window('Image Dimensions',layout, location=window.current_location(), keep_on_top=True, no_titlebar=True ).read(close=True)
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if event == 'Ok':
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try:
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w,h = int(values['-W-']), int(values['-H-'])
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sg.user_settings_set_entry('-image size-', (w,h))
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width, height = w,h
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except:
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sg.popup_error('Bad size specified. Use integers only', location=window.current_location(), keep_on_top=True)
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elif event == 'Show Refresh Info':
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window['-REFRESH INFO-'].update(visible=True)
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sg.user_settings_set_entry('-show refresh-', True)
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elif event == 'Save Location':
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sg.user_settings_set_entry('-location-', window.current_location())
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elif event == 'Hide Refresh Info':
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window['-REFRESH INFO-'].update(visible=False)
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sg.user_settings_set_entry('-show refresh-', False)
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elif event in [str(x) for x in range(1, 11)]:
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window.set_alpha(int(event) / 10)
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sg.user_settings_set_entry('-alpha-', int(event) / 10)
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elif event == 'Change Theme':
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loc = window.current_location()
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if choose_theme(loc) is not None:
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window.close()
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window = make_window(loc)
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window.close()
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if __name__ == '__main__':
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main()
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