PYGLET – Selecting Paragraph in Caret

In this article we will see how we can select paragraph in 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. Selected text can be used to copy or delete whole at a time.

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 select_paragraph method with the caret object

Syntax : caret.select_paragraph(x, y)

Argument : It takes two integer as argument



Return : It returns None

Below is the implementation

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# 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)
  
   
# moving caret to point
# editable mark
value = caret.move_to_point(100, 30)
  
# 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)
  
# selecting paragraph which is nearest to 100, 100
caret.select_paragraph(100, 100)
  
  
  
# start running the application
pyglet.app.run()

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Output :

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