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PYGLET – On Text Event
  • Last Updated : 22 Sep, 2020

In this article we will see how we can trigger on text 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).Typically this is called after on_key_press() and before on_key_release(), but may also be called multiple times if the key is held down (key repeating); or called without key presses if another input method was used (e.g., a pen input). We should always use this method for interpreting text, as the key symbols often have complex mappings to their unicode representation which this event takes care of.

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

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

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

def on_text(text):
    print("On text event")

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')
new_label = pyglet.text.Label(text,
                          font_name ='Times New Roman',
                          font_size = 10,
                          x = 25, y = 25)
# 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:
        print("Key C is pressed")
# on text event
def on_text(text):
    # prinitng some message
    print("You are entering : " + text)
# image for icon
img = image = pyglet.resource.image("logo.png")
# setting image as icon
# start running the application

Output :

You are entering : g
You are entering : e
You are entering : e
You are entering : k

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