66 lines
2.3 KiB
Python
66 lines
2.3 KiB
Python
import PySimpleGUI as sg
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import os
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# Simple Image Browser based on PySimpleGUI
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# Get the folder containing the images from the user
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rc, folder = sg.GetPathBox('Image Browser', 'Image folder to open', default_path='')
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if rc is False or folder is '':
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sg.MsgBoxCancel('Cancelling')
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exit(0)
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# get list of PNG files in folder
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png_files = [folder + '\\' + f for f in os.listdir(folder) if '.png' in f]
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filenames_only = [f for f in os.listdir(folder) if '.png' in f]
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if len(png_files) == 0:
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sg.MsgBox('No PNG images in folder')
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exit(0)
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# create the form that also returns keyboard events
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form = sg.FlexForm('Image Browser', return_keyboard_events=True, location=(0,0), use_default_focus=False )
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# make these 2 elements outside the layout because want to "update" them later
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# initialize to the first PNG file in the list
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image_elem = sg.Image(filename=png_files[0])
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filename_display_elem = sg.Text(png_files[0], size=(80, 3))
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file_num_display_elem = sg.Text('File 1 of {}'.format(len(png_files)), size=(15,1))
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# define layout, show and read the form
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col = [[filename_display_elem],
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[image_elem],
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[sg.ReadFormButton('Next', size=(8,2)), sg.ReadFormButton('Prev', size=(8,2)), file_num_display_elem]]
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col_files = [[sg.Listbox(values=filenames_only, size=(60,30), key='listbox')],
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[sg.ReadFormButton('Read')]]
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layout = [[sg.Column(col_files), sg.Column(col)]]
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button, values = form.LayoutAndRead(layout) # Shows form on screen
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# loop reading the user input and displaying image, filename
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i=0
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while True:
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# perform button and keyboard operations
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if button is None:
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break
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elif button in ('Next', 'MouseWheel:Down', 'Down:40', 'Next:34') and i < len(png_files)-1:
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i += 1
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elif button in ('Prev', 'MouseWheel:Up', 'Up:38', 'Prior:33') and i > 0:
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i -= 1
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if button == 'Read':
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filename = folder + '\\' + values['listbox'][0]
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# print(filename)
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else:
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filename = png_files[i]
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# update window with new image
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image_elem.Update(filename=filename)
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# update window with filename
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filename_display_elem.Update(filename)
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# update page display
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file_num_display_elem.Update('File {} of {}'.format(i+1, len(png_files)))
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# read the form
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button, values = form.Read()
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