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Updated to use newest methods such as setting cursor and removing all sleeps.

This commit is contained in:
PySimpleGUI 2020-01-17 12:48:51 -05:00
parent 564e12a871
commit 9093da4795
1 changed files with 22 additions and 16 deletions
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38
DemoPrograms/Demo_Notification_Window_Fade_In_Out.py
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@ -1,6 +1,5 @@
import PySimpleGUI as sg import PySimpleGUI as sg
import textwrap import textwrap
import time
''' '''
Notification Window Demo Program Notification Window Demo Program
@ -8,12 +7,14 @@ import time
Displays a small informational window with an Icon and a message in the lower right corner of the display 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. 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.
''' '''
# ------------------------------------------------------------------- # -------------------------------------------------------------------
# Constants, defaults, Base64 icons # Constants, defaults, Base64 icons
USE_FADE_IN = True USE_FADE_IN = True
WINDOW_ALPHA = 0.9
WIN_MARGIN = 60 WIN_MARGIN = 60
# colors # colors
@ -28,7 +29,7 @@ img_success = b'iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAAAA3NCSVQICAjb4U/g
# ------------------------------------------------------------------- # -------------------------------------------------------------------
def display_notification(title, message, icon, display_duration_in_ms=DEFAULT_DISPLAY_DURATION_IN_MILLISECONDS, use_fade_in=True, location=None): def display_notification(title, message, icon, display_duration_in_ms=DEFAULT_DISPLAY_DURATION_IN_MILLISECONDS, use_fade_in=True, alpha=0.9, location=None):
""" """
Function that will create, fade in and out, a small window that displays a message with an icon Function that will create, fade in and out, a small window that displays a message with an icon
The graphic design is similar to other system/program notification windows seen in Windows / Linux The graphic design is similar to other system/program notification windows seen in Windows / Linux
@ -37,7 +38,8 @@ def display_notification(title, message, icon, display_duration_in_ms=DEFAULT_DI
:param icon: (str) Base64 icon to use. 2 are supplied by default :param icon: (str) Base64 icon to use. 2 are supplied by default
:param display_duration_in_ms: (int) duration for the window to be shown :param display_duration_in_ms: (int) duration for the window to be shown
:param use_fade_in: (bool) if True, the window will fade in and fade out :param use_fade_in: (bool) if True, the window will fade in and fade out
:param location: Tuple[int, int] locationi of the upper left corner of window. Default is lower right corner of screen :param alpha: (float) Amount of Alpha Channel to use. 0 = invisible, 1 = fully visible
:param location: Tuple[int, int] location of the upper left corner of window. Default is lower right corner of screen
""" """
# Compute location and size of the window # Compute location and size of the window
@ -61,21 +63,25 @@ def display_notification(title, message, icon, display_duration_in_ms=DEFAULT_DI
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(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-"].draw_text(message, location=(64, 44), color=TEXT_COLOR, font=("Arial", 9), text_location=sg.TEXT_LOCATION_TOP_LEFT)
# change the cursor into a "hand" when hovering over the window. This is a direct call into tkinter, going around PySimpleGUI # change the cursor into a "hand" when hovering over the window to give user hint that clicking does something
window["-GRAPH-"].Widget.config(cursor="hand2") window['-GRAPH-'].set_cursor('hand2')
if use_fade_in == True: if use_fade_in == True:
for i in range(1, int(WINDOW_ALPHA * 100)): # fade in for i in range(1,int(alpha*100)): # fade in
window.set_alpha(i / 100) window.set_alpha(i/100)
window.refresh() event, values = window.read(timeout=20)
time.sleep(.02) if event != sg.TIMEOUT_KEY:
window.set_alpha(1)
break
event, values = window(timeout=display_duration_in_ms) event, values = window(timeout=display_duration_in_ms)
for i in range(int(WINDOW_ALPHA * 100), 1, -1): # fade out if event == sg.TIMEOUT_KEY:
window.set_alpha(i / 100) for i in range(int(alpha*100),1,-1): # fade out
window.refresh() window.set_alpha(i/100)
time.sleep(.02) event, values = window.read(timeout=20)
if event != sg.TIMEOUT_KEY:
break
else: else:
window.set_alpha(WINDOW_ALPHA) window.set_alpha(alpha)
event, values = window(timeout=display_duration_in_ms) event, values = window(timeout=display_duration_in_ms)
window.close() window.close()
@ -83,4 +89,4 @@ def display_notification(title, message, icon, display_duration_in_ms=DEFAULT_DI
if __name__ == '__main__': if __name__ == '__main__':
title = "Action completed successfully" title = "Action completed successfully"
message = "This message is intended to inform you that the action you have performed has been successful. There is no need for further action." message = "This message is intended to inform you that the action you have performed has been successful. There is no need for further action."
display_notification(title, message, img_success, 4000, use_fade_in=True) display_notification(title, message, img_success, 10000, use_fade_in=True)