Python Tkinter Spinbox
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The Spinbox widget is a variant of the standard Tkinter Entry widget, which can be used to select from a fixed number of values.
Syntax:
Here is the simple syntax to create this widget:
w = Spinbox( master, option, ... )
Parameters:
master: This represents the parent window.
options: Here is the list of most commonly used options for this widget. These options can be used as key-value pairs separated by commas.
| Option | Description |
|---|---|
| activebackground | The color of the slider and arrowheads when the mouse is over them. |
| bg | The color of the slider and arrowheads when the mouse is not over them. |
| 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. |
| command | A procedure to be called whenever the scrollbar is moved. |
| cursor | The cursor that appears when the mouse is over the scrollbar. |
| disabledbackground | The background color to use when the widget is disabled. |
| disabledforeground | The text color to use when the widget is disabled. |
| fg | Text color. |
| font | The font to use in this widget. |
| format | Format string. No default value. |
| from_ | The minimum value. Used together with to to limit the spinbox range. |
| justify | Default is LEFT |
| relief | Default is SUNKEN. |
| repeatdelay | Together with repeatinterval, this option controls button auto-repeat. Both values are given in milliseconds. |
| repeatinterval | See repeatdelay. |
| state | One of NORMAL, DISABLED, or "readonly". Default is NORMAL. |
| textvariable | No default value. |
| to | See from. |
| validate | Validation mode. Default is NONE. |
| validatecommand | Validation callback. No default value. |
| values | A tuple containing valid values for this widget. Overrides from/to/increment. |
| vcmd | Same as validatecommand. |
| width | Widget width, in character units. Default is 20. |
| wrap | If true, the up and down buttons will wrap around. |
| 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:
Spinbox objects have these methods:
| Methods & Description |
|---|
| delete(startindex [,endindex]) This method deletes a specific character or a range of text. |
| get(startindex [,endindex]) This method returns a specific character or a range of text. |
| identify(x, y) Identifies the widget element at the given location. |
| index(index) Returns the absolute value of an index based on the given index. |
| insert(index [,string]...) This method inserts strings at the specified index location. |
| invoke(element) Invokes a spinbox button. |
Example:
Try following example yourself:
from Tkinter import * master = Tk() w = Spinbox(master, from_=0, to=10) w.pack() mainloop()
When the above code is executed, it produces following result:
