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PYGLET – Mouse State Handler
  • Last Updated : 23 Sep, 2020
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In this article we will see how we can create a mouse state handler object 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). Mouse state handler class is a simple handler that tracks the state of buttons from the mouse. If a button is pressed then this handler holds a True value for it.

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

# creating a window
window = pyglet.window.Window(width, height, title)

In order to create window we use MouseStateHandler method with pyglet.window.mouse

Syntax : mouse.MouseStateHandler()

Argument : It takes no argument



Return : It returns MouseStateHandler object

Below is the implementation




# importing pyglet module 
import pyglet 
import pyglet.window.key as 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 = "Welcome to GeeksforGeeks Have a nice day"
    
# batch object 
batch = pyglet.graphics.Batch() 
    
# creating document 
document = pyglet.text.document.FormattedDocument(text) 
    
# setting style to the document 
document.set_style(0, len(document.text), dict
                         font_name ='Arial', font_size = 16,  
                         color =(255, 255, 255, 255))) 
    
# creating a incremental text layout 
layout = pyglet.text.layout.IncrementalTextLayout( 
               document, 400, 350, batch = batch) 
  
# making layout to display multiline
layout.multiline = True
    
# creating a caret 
caret = pyglet.text.caret.Caret(layout, color =(255, 255, 255)) 
    
# caret to winow push handlers 
window.push_handlers(caret) 
    
# setting caret style 
caret.set_style(dict(font_name ="Arial")) 
    
    
# on draw event 
@window.event 
def on_draw(): 
        
    # clear the window 
    window.clear() 
        
    # draw the batch 
    batch.draw() 
        
    # caret to winow push handlers 
    window.push_handlers(caret) 
      
  
        
# key press event     
@window.event 
def on_key_press(symbol, modifier): 
    
    # key "C" get press 
    if symbol == key.C: 
          
        # printng the message
        print("Key : C is pressed")
          
# image for icon 
img = image = pyglet.resource.image("gfg.png"
  
      
  
# creating a mouse state handler
mouse_handler = pyglet.window.mouse.MouseStateHandler()
  
value = mouse_handler
  
# creating text from the value
text = "Mouse State Handler : " + str(type(value))
  
# setting this text to the document
document.text = text
    
# setting image as icon 
window.set_icon(img) 
     
# start running the application 
pyglet.app.run() 

Output :

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