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PYGLET – Selecting Point in Caret

  • Last Updated : 12 Jun, 2021

In this article we will see how we can select point 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. For the given point caret try to select the point which is nearest to the given point
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))

 

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In order to create window we use select_to_point(x, y) method with the caret object
Syntax : caret.select_to_point(x, y)
Argument : It takes two integer as argument
Return : It returns None 
 



Below is the implementation 
 

Python3




# 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 window 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 window 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 point which is nearest to 100, 100
caret.select_to_point(100, 100)
 
 
 
# start running the application
pyglet.app.run()

Output : 
 

 




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