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PYGLET – Setting Caret Style
  • Last Updated : 10 Sep, 2020

In this article we will see how we can set style to the caret 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). Caret is basically visible text insertion marker for pyglet.text.layout.IncrementalTextLayout. The caret is drawn as a single vertical bar at the document position on a text layout object. If mark is not None, it gives the unmoving end of the current text selection. Style refer to the visual appearance of the caret like color.

We can create a window and caret with the help of commands given below

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

# creating a caret
caret = pyglet.text.caret.Caret(layout, color=(255, 255, 255))

In order to create window we use set_style method with the caret object

Syntax : caret.set_style(attributes)

Argument : It takes dictionary object as argument



Return : It returns None

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 = "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)
  
# 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 == pyglet.window.key.C:
          
        # closing the window
        # window.close()
        pass
      
  
# image for icon
img = image = pyglet.resource.image("logo.png")
  
# setting image as icon
window.set_icon(img)
  
  
  
  
# start running the application
pyglet.app.run()

Output :

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