QDoubleSpinBox
QDoubleSpinBox is designed to handle double values. For integers, use
QSpinBox instead. QDoubleSpinBox
allows the user to choose a value by clicking the up and down buttons to
increment or decrement the value displayed. The value can also be changed
by typing in a value. The range of valid values and the number of decimal
places shown is configurable.
Signals
valueChanged: Emitted when the value in the spin box changes.
Methods
Examples
spin_box = QtWidgets.QDoubleSpinBox()
spin_box.setMaximum(100)
spin_box.setMinimum(0)
spin_box.setSingleStep(0.1)
spin_box.setValue(50)
print(spin_box.value())
50.0
100.0
setMaximum(max)
Set the maximum value of the spin box. The default maximum value is 99.99.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
max |
float
|
The new maximum value. |
required |
setMinimum(min)
Set the minimum value of the spin box. The default minimum value is 0.0.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
min |
float
|
The new minimum value. |
required |
setPrefix(prefix)
Set the prefix of the spin box. The prefix is displayed before the value in the spin box and is not editable by the user.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
prefix |
str
|
The new prefix. |
required |
setRange(min, max)
Set the minimum and maximum values of the spin box. If the current value is outside the new range, the value is adjusted to the nearest limit.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
min |
float
|
The new minimum value. |
required |
max |
float
|
The new maximum value. |
required |
setSingleStep(val)
Set the value that the spin box will increment or decrement by when the up or down buttons are clicked. The default step value is 1.0. Setting a singleStep value of less than 0 does nothing.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
val |
float
|
The new step value. |
required |
setSuffix(suffix)
Set the suffix of the spin box. The suffix is displayed after the value in the spin box and is not editable by the user.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
suffix |
str
|
The new suffix. |
required |
setValue(val)
Set the value of the spin box. If the value is outside the range of the spin box, the value is adjusted to the nearest limit.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
val |
float
|
The new value. |
required |
value()
Returns the value of the spin box.
Returns:
| Type | Description |
|---|---|
float
|
The value of the spin box. |