Friday, September 4, 2020

Python Tkinter Spinbox Widget



Hello dear readers! welcome back to another section of my tutorial on Python. In this tutorial post, we are going to be discussing about Python Tkinter Spinbox Widget.

The Python Tkinter Spinbox widget is a form of the standard Tkinter Entry widget, which can be used to select from a fixed number of values.

Syntax

The following below is the syntax for create this widget -

w = Spinbox ( master, option, ... )

Parameter Details

  • master - This represents the parent window.
  • options - Following below is the list of commonly used options for this widget. These options can be used as key-value pairs that are separated by commas.


Sr.No.Option & Description
1
activebackground
The color of the slider and arrowheads when the mouse is over them.
2
bg
The color of the slider and arrowheads when the mouse is not over them.
3
bd
The width of the 3-d borders around the entire perimeter of the trough, and also the width of the 3-d effects on the arrowheads and slider. Default is no border around the trough, and a 2-pixel border around the arrowheads and slider.
4
command
A procedure to be called whenever the scrollbar is moved.
5
cursor
The cursor that appears when the mouse is over the scrollbar.
6
disabledbackground
The background color to use when the widget is disabled.
7
disabledforeground
The text color to use when the widget is disabled.
8
fg
Text color.
9
font
The font to use in this widget.
10
format
Format string. No default value.
11
from_
The minimum value. Used together with to to limit the spinbox range.
12
justify
Default is LEFT
13
relief
Default is SUNKEN.
14
repeatdelay
Together with repeatinterval, this option controls button auto-repeat. Both values are given in milliseconds.
15
repeatinterval
See repeatdelay.
16
state
One of NORMAL, DISABLED, or "readonly". Default is NORMAL.
17
textvariable
No default value.
18
to
See from.
19
validate
Validation mode. Default is NONE.
20
validatecommand
Validation callback. No default value.
21
values
A tuple containing valid values for this widget. Overrides from/to/increment.
22
vcmd
Same as validatecommand.
23
width
Widget width, in character units. Default is 20.
24
wrap
If true, the up and down buttons will wrap around.
25
xscrollcommand
Used to connect a spinbox field to a horizontal scrollbar. This option should be set to the set method of the corresponding scrollbar.


Methods

Following are the list of commonly used methods for this widget -

Sr.No.Methods & Description
1
delete(startindex [,endindex])
This method deletes a specific character or a range of text.
2
get(startindex [,endindex])
This method returns a specific character or a range of text.
3
identify(x, y)
Identifies the widget element at the given location.
4
index(index)
Returns the absolute value of an index based on the given index.
5
insert(index [,string]...)
This method inserts strings at the specified index location.
6
invoke(element)
Invokes a spinbox button.

Example

Following is a simple example -

from Tkinter import *

master = Tk()

w = Spinbox(master, from_=0, to=10)
w.pack()

mainloop()

Output
When the above code is executed, it will produce the following result -



Alright guys! This is where we are rounding up for this tutorial post. In my next tutorial, we are going to be discussing about the Python Tkinter PanedWindow Widget.

Feel feel to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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