Sideband/sbapp/kivymd/uix/behaviors/rotate_behavior.py

134 lines
3.0 KiB
Python

"""
Behaviors/Rotate
================
.. versionadded:: 1.1.0
Base class for controlling the rotate of the widget.
.. note:: See `kivy.graphics.Rotate
<https://kivy.org/doc/stable/api-kivy.graphics.html#kivy.graphics.Rotate>`_
for more information.
Kivy
----
.. code-block:: python
from kivy.animation import Animation
from kivy.lang import Builder
from kivy.app import App
from kivy.properties import NumericProperty
from kivy.uix.button import Button
KV = '''
Screen:
RotateButton:
size_hint: .5, .5
pos_hint: {"center_x": .5, "center_y": .5}
on_release: app.change_rotate(self)
canvas.before:
PushMatrix
Rotate:
angle: self.rotate_value_angle
axis: 0, 0, 1
origin: self.center
canvas.after:
PopMatrix
'''
class RotateButton(Button):
rotate_value_angle = NumericProperty(0)
class Test(App):
def build(self):
return Builder.load_string(KV)
def change_rotate(self, instance_button: Button) -> None:
Animation(rotate_value_angle=45, d=0.3).start(instance_button)
Test().run()
KivyMD
------
.. code-block:: python
from kivy.animation import Animation
from kivy.lang import Builder
from kivy.uix.behaviors import ButtonBehavior
from kivymd.app import MDApp
from kivymd.uix.behaviors import RotateBehavior
from kivymd.uix.boxlayout import MDBoxLayout
KV = '''
MDScreen:
RotateBox:
size_hint: .5, .5
pos_hint: {"center_x": .5, "center_y": .5}
on_release: app.change_rotate(self)
md_bg_color: "red"
'''
class RotateBox(ButtonBehavior, RotateBehavior, MDBoxLayout):
pass
class Test(MDApp):
def build(self):
return Builder.load_string(KV)
def change_rotate(self, instance_button: RotateBox) -> None:
Animation(rotate_value_angle=45, d=0.3).start(instance_button)
Test().run()
"""
__all__ = ("RotateBehavior",)
from kivy.lang import Builder
from kivy.properties import ListProperty, NumericProperty
Builder.load_string(
"""
<RotateBehavior>
canvas.before:
PushMatrix
Rotate:
angle: self.rotate_value_angle
axis: tuple(self.rotate_value_axis)
origin: self.center
canvas.after:
PopMatrix
"""
)
class RotateBehavior:
"""Base class for controlling the rotate of the widget."""
rotate_value_angle = NumericProperty(0)
"""
Property for getting/setting the angle of the rotation.
:attr:`rotate_value_angle` is an :class:`~kivy.properties.NumericProperty`
and defaults to `0`.
"""
rotate_value_axis = ListProperty((0, 0, 1))
"""
Property for getting/setting the axis of the rotation.
:attr:`rotate_value_axis` is an :class:`~kivy.properties.ListProperty`
and defaults to `(0, 0, 1)`.
"""