46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
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import PySimpleGUI as sg
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"""
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Demo - Graph Element Rescale Figures When Window Resizes
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This demo shows how you can redraw your Graph element's figures so that when
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you resize the window, all of the figures on the graph resize.
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There may be a tkinter method to help do this?
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Copyright 2022 PySimpleGUI
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"""
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gsize = (400,400)
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layout = [ [sg.Text('Rescaling a Graph Element When Window is Resized')],
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[sg.Graph(gsize, (0,0),gsize, expand_x=True, expand_y=True, k='-G-', background_color='green')],
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[sg.Button('Exit'), sg.Sizegrip()] ]
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window = sg.Window('Graph Element Scale With Window', layout, finalize=True, resizable=True, enable_window_config_events=True)
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graph = window['-G-'] #type: sg.Graph
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orig_win_size = window.current_size_accurate()
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# Draw the figure desired (will repeat this code later)
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fig = window['-G-'].draw_circle((200, 200), 50, fill_color='blue')
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while True:
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event, values = window.read()
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if event == sg.WIN_CLOSED or event == 'Exit':
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break
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if event == sg.WINDOW_CONFIG_EVENT: # if get a window resized event
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# Determine how much the window was resized by and tell the Graph element the new size for the Canvas
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new_size = window.current_size_accurate()
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dx = orig_win_size[0]-new_size[0]
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dy = orig_win_size[1]-new_size[1]
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gsize = (gsize[0] - dx, gsize[1] - dy)
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orig_win_size = new_size
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graph.CanvasSize = gsize
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# Erase entire Graph and redraw all figures0
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graph.erase()
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# Redraw your figures here
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fig = window['-G-'].draw_circle((200, 200), 50, fill_color='blue')
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window.close()
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