diff --git a/DemoPrograms/Demo_Notification_Window_Multiprocessing.py b/DemoPrograms/Demo_Notification_Window_Multiprocessing.py new file mode 100644 index 00000000..2abb5035 --- /dev/null +++ b/DemoPrograms/Demo_Notification_Window_Multiprocessing.py @@ -0,0 +1,90 @@ +import PySimpleGUI as sg +import textwrap +from multiprocessing import Process + +''' + Notification Window Demo Program + Shamelessly stolen from PySimpleGUI user ncotrb + + Displays a small informational window with an Icon and a message in the lower right corner of the display + Option to fade in/out or immediatealy display. + + You can click on the notification window to speed things along. The idea is that if you click while fading in, you should immediately see the info. If + you click while info is displaying or while fading out, the window closes immediately. + + Note - In order to import and use these calls, you must make the call from a "main program". + +''' + + +# ------------------------------------------------------------------- +# fade in/out info and default window alpha +WIN_MARGIN = 60 + +# colors +WIN_COLOR = "#282828" +TEXT_COLOR = "#ffffff" + +DEFAULT_DISPLAY_DURATION_IN_MILLISECONDS = 3000 + +# Base64 Images to use as icons in the window +image64_error = b'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' + +image64_success = b'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' + +# ------------------------------------------------------------------- + +def _display_notification(title, message, icon=image64_success, display_duration_in_ms=DEFAULT_DISPLAY_DURATION_IN_MILLISECONDS, use_fade_in=True, alpha=0.9, location=None): + # Compute location and size of the window + message = textwrap.fill(message, 50) + win_msg_lines = message.count("\n") + 1 + + screen_res_x, screen_res_y = sg.Window.get_screen_size() + win_margin = WIN_MARGIN # distance from screen edges + win_width, win_height = 364, 66 + (14.8 * win_msg_lines) + + layout = [[sg.Graph(canvas_size=(win_width, win_height), graph_bottom_left=(0, win_height), graph_top_right=(win_width, 0), key="-GRAPH-", background_color=WIN_COLOR, enable_events=True)]] + + win_location = location if location is not None else (screen_res_x - win_width - win_margin, screen_res_y - win_height - win_margin) + window = sg.Window(title, layout, background_color=WIN_COLOR, no_titlebar=True, + location=win_location, keep_on_top=True, alpha_channel=0, margins=(0,0), element_padding=(0,0), grab_anywhere=True, finalize=True) + + window["-GRAPH-"].draw_rectangle((win_width, win_height), (-win_width, -win_height), fill_color=WIN_COLOR, line_color=WIN_COLOR) + window["-GRAPH-"].draw_image(data=icon, location=(20, 20)) + window["-GRAPH-"].draw_text(title, location=(64, 20), color=TEXT_COLOR, font=("Arial", 12, "bold"), text_location=sg.TEXT_LOCATION_TOP_LEFT) + window["-GRAPH-"].draw_text(message, location=(64, 44), color=TEXT_COLOR, font=("Arial", 9), text_location=sg.TEXT_LOCATION_TOP_LEFT) + window["-GRAPH-"].set_cursor('hand2') + + if use_fade_in == True: + for i in range(1,int(alpha*100)): # fade in + window.set_alpha(i/100) + event, values = window.read(timeout=20) + if event != sg.TIMEOUT_KEY: + window.set_alpha(1) + break + event, values = window(timeout=display_duration_in_ms) + if event == sg.TIMEOUT_KEY: + for i in range(int(alpha*100),1,-1): # fade out + window.set_alpha(i/100) + event, values = window.read(timeout=20) + if event != sg.TIMEOUT_KEY: + break + else: + window.set_alpha(alpha) + event, values = window(timeout=display_duration_in_ms) + + window.close() + + +def display_notification(title, message, icon=image64_success, display_duration_in_ms=DEFAULT_DISPLAY_DURATION_IN_MILLISECONDS, use_fade_in=True, alpha=0.9, location=None): + proc = Process(target=_display_notification, args=(title, message, icon,display_duration_in_ms, use_fade_in, alpha, location)) + proc.start() + return proc + +if __name__ == '__main__': + proc2 = display_notification('Normal Location', 'This is my notification!') + proc3 = display_notification('Upper Left', 'This one does not fade in!', icon=image64_error, location=(0,0), use_fade_in=False) + + proc3.join() + proc2.join() + print('*** Successfully joined process ***')