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PYGLET – On Close Event

  • Last Updated : 22 Sep, 2020

In this article we will see how we can trigger window on close event in PYGLET module in python. Pyglet is easy to use but powerful library for developing visually rich GUI applications like games, multimedia etc. A window is a “heavyweight” object occupying operating system resources. Windows may appear as floating regions or can be set to fill an entire screen (fullscreen). This event can be triggered by clicking on the “X” control box in the window title bar, or by some other platform-dependent manner. The default handler sets has_exit to True. In pyglet 1.1, if is being used, close is also called, closing the window immediately.

We can create a window with the help of command given below

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pyglet.window.Window(width, height, title)

Below is the syntax of the window on close event, this method get called when this event is triggered

def on_close():
    print("Window has been closed")

Below is the implementation

# importing pyglet module
import pyglet
import pyglet.window.key
# width of window
width = 500
# height of window
height = 500
# caption i.e title of the window
title = "Geeksforgeeks"
# creating a window
window = pyglet.window.Window(width, height, title)
# text 
text = "GeeksforGeeks"
# creating a label with font = times roman
# font size = 36
# aligning it to the centre
label = pyglet.text.Label(text,
                          font_name ='Times New Roman',
                          font_size = 36,
                          x = window.width//2, y = window.height//2,
                          anchor_x ='center', anchor_y ='center')
# on draw event
def on_draw():
    # clearing the window
    # drawing the label on the window
# key press event    
def on_key_press(symbol, modifier):
    # key "C" get press
    if symbol == pyglet.window.key.C:
        # close the window
# window close event       
def on_close():
    # printing some message
    print("Window has been closed")
# image for icon
img = image = pyglet.resource.image("logo.png")
# setting image as icon
# start running the application

Output :

When we close this window this event get triggered

Window has been closed

My Personal Notes arrow_drop_up
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