mirror of
https://github.com/liberatedsystems/openCom-Companion.git
synced 2024-11-26 23:30:36 +01:00
541 lines
16 KiB
Python
Executable File
541 lines
16 KiB
Python
Executable File
"""
|
|
Components/SelectionControls
|
|
============================
|
|
|
|
.. seealso::
|
|
|
|
`Material Design spec, Selection controls <https://material.io/components/selection-controls>`_
|
|
|
|
.. rubric:: Selection controls allow the user to select options.
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/selection-controll.png
|
|
:align: center
|
|
|
|
`KivyMD` provides the following selection controls classes for use:
|
|
|
|
- MDCheckbox_
|
|
- MDSwitch_
|
|
|
|
.. MDCheckbox:
|
|
MDCheckbox
|
|
----------
|
|
|
|
.. code-block:: python
|
|
|
|
from kivy.lang import Builder
|
|
|
|
from kivymd.app import MDApp
|
|
|
|
|
|
KV = '''
|
|
MDFloatLayout:
|
|
|
|
MDCheckbox:
|
|
size_hint: None, None
|
|
size: "48dp", "48dp"
|
|
pos_hint: {'center_x': .5, 'center_y': .5}
|
|
'''
|
|
|
|
|
|
class Test(MDApp):
|
|
def build(self):
|
|
return Builder.load_string(KV)
|
|
|
|
|
|
Test().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/checkbox.gif
|
|
:align: center
|
|
|
|
.. Note:: Be sure to specify the size of the checkbox. By default, it is
|
|
``(dp(48), dp(48))``, but the ripple effect takes up all the available
|
|
space.
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/checkbox-no-size.gif
|
|
:align: center
|
|
|
|
Control state
|
|
-------------
|
|
|
|
.. code-block:: kv
|
|
|
|
MDCheckbox:
|
|
on_active: app.on_checkbox_active(*args)
|
|
|
|
.. code-block:: python
|
|
|
|
def on_checkbox_active(self, checkbox, value):
|
|
if value:
|
|
print('The checkbox', checkbox, 'is active', 'and', checkbox.state, 'state')
|
|
else:
|
|
print('The checkbox', checkbox, 'is inactive', 'and', checkbox.state, 'state')
|
|
|
|
MDCheckbox with group
|
|
---------------------
|
|
|
|
.. code-block:: python
|
|
|
|
from kivy.lang import Builder
|
|
|
|
from kivymd.app import MDApp
|
|
|
|
KV = '''
|
|
<Check@MDCheckbox>:
|
|
group: 'group'
|
|
size_hint: None, None
|
|
size: dp(48), dp(48)
|
|
|
|
|
|
MDFloatLayout:
|
|
|
|
Check:
|
|
active: True
|
|
pos_hint: {'center_x': .4, 'center_y': .5}
|
|
|
|
Check:
|
|
pos_hint: {'center_x': .6, 'center_y': .5}
|
|
'''
|
|
|
|
|
|
class Test(MDApp):
|
|
def build(self):
|
|
return Builder.load_string(KV)
|
|
|
|
|
|
Test().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/checkbox-group.gif
|
|
:align: center
|
|
|
|
.. MDSwitch:
|
|
MDSwitch
|
|
--------
|
|
|
|
.. code-block:: python
|
|
|
|
from kivy.lang import Builder
|
|
|
|
from kivymd.app import MDApp
|
|
|
|
KV = '''
|
|
MDFloatLayout:
|
|
|
|
MDSwitch:
|
|
pos_hint: {'center_x': .5, 'center_y': .5}
|
|
'''
|
|
|
|
|
|
class Test(MDApp):
|
|
def build(self):
|
|
return Builder.load_string(KV)
|
|
|
|
|
|
Test().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/md-switch.gif
|
|
:align: center
|
|
|
|
.. Note:: For :class:`~MDSwitch` size is not required. By default it is
|
|
``(dp(36), dp(48))``, but you can increase the width if you want.
|
|
|
|
.. code-block:: kv
|
|
|
|
MDSwitch:
|
|
width: dp(64)
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/md-switch_width.png
|
|
:align: center
|
|
|
|
.. Note:: Control state of :class:`~MDSwitch` same way as in
|
|
:class:`~MDCheckbox`.
|
|
"""
|
|
|
|
__all__ = ("MDCheckbox", "MDSwitch")
|
|
|
|
import os
|
|
|
|
from kivy.animation import Animation
|
|
from kivy.clock import Clock
|
|
from kivy.lang import Builder
|
|
from kivy.metrics import dp, sp
|
|
from kivy.properties import (
|
|
AliasProperty,
|
|
BooleanProperty,
|
|
ColorProperty,
|
|
ListProperty,
|
|
NumericProperty,
|
|
OptionProperty,
|
|
StringProperty,
|
|
)
|
|
from kivy.uix.behaviors import ButtonBehavior, ToggleButtonBehavior
|
|
from kivy.uix.floatlayout import FloatLayout
|
|
from kivy.uix.widget import Widget
|
|
from kivy.utils import get_color_from_hex
|
|
|
|
from kivymd import uix_path
|
|
from kivymd.color_definitions import colors
|
|
from kivymd.theming import ThemableBehavior
|
|
from kivymd.uix.behaviors import (
|
|
CircularRippleBehavior,
|
|
FakeCircularElevationBehavior,
|
|
)
|
|
from kivymd.uix.label import MDIcon
|
|
|
|
with open(
|
|
os.path.join(uix_path, "selectioncontrol", "selectioncontrol.kv"),
|
|
encoding="utf-8",
|
|
) as kv_file:
|
|
Builder.load_string(kv_file.read())
|
|
|
|
|
|
class MDCheckbox(CircularRippleBehavior, ToggleButtonBehavior, MDIcon):
|
|
active = BooleanProperty(False)
|
|
"""
|
|
Indicates if the checkbox is active or inactive.
|
|
|
|
:attr:`active` is a :class:`~kivy.properties.BooleanProperty`
|
|
and defaults to `False`.
|
|
"""
|
|
|
|
checkbox_icon_normal = StringProperty("checkbox-blank-outline")
|
|
"""
|
|
Background icon of the checkbox used for the default graphical
|
|
representation when the checkbox is not pressed.
|
|
|
|
:attr:`checkbox_icon_normal` is a :class:`~kivy.properties.StringProperty`
|
|
and defaults to `'checkbox-blank-outline'`.
|
|
"""
|
|
|
|
checkbox_icon_down = StringProperty("checkbox-marked")
|
|
"""
|
|
Background icon of the checkbox used for the default graphical
|
|
representation when the checkbox is pressed.
|
|
|
|
:attr:`checkbox_icon_down` is a :class:`~kivy.properties.StringProperty`
|
|
and defaults to `'checkbox-marked'`.
|
|
"""
|
|
|
|
radio_icon_normal = StringProperty("checkbox-blank-circle-outline")
|
|
"""
|
|
Background icon (when using the ``group`` option) of the checkbox used for
|
|
the default graphical representation when the checkbox is not pressed.
|
|
|
|
:attr:`radio_icon_normal` is a :class:`~kivy.properties.StringProperty`
|
|
and defaults to `'checkbox-blank-circle-outline'`.
|
|
"""
|
|
|
|
radio_icon_down = StringProperty("checkbox-marked-circle")
|
|
"""
|
|
Background icon (when using the ``group`` option) of the checkbox used for
|
|
the default graphical representation when the checkbox is pressed.
|
|
|
|
:attr:`radio_icon_down` is a :class:`~kivy.properties.StringProperty`
|
|
and defaults to `'checkbox-marked-circle'`.
|
|
"""
|
|
|
|
selected_color = ColorProperty(None)
|
|
"""
|
|
Selected color in ``rgba`` format.
|
|
|
|
:attr:`selected_color` is a :class:`~kivy.properties.ColorProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
unselected_color = ColorProperty(None)
|
|
"""
|
|
Unelected color in ``rgba`` format.
|
|
|
|
:attr:`unselected_color` is a :class:`~kivy.properties.ColorProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
disabled_color = ColorProperty(None)
|
|
"""
|
|
Disabled color in ``rgba`` format.
|
|
|
|
:attr:`disabled_color` is a :class:`~kivy.properties.ColorProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
_current_color = ColorProperty([0.0, 0.0, 0.0, 0.0])
|
|
|
|
def __init__(self, **kwargs):
|
|
self.check_anim_out = Animation(font_size=0, duration=0.1, t="out_quad")
|
|
self.check_anim_in = Animation(
|
|
font_size=sp(24), duration=0.1, t="out_quad"
|
|
)
|
|
super().__init__(**kwargs)
|
|
self.selected_color = self.theme_cls.primary_color
|
|
self.unselected_color = self.theme_cls.secondary_text_color
|
|
self.disabled_color = self.theme_cls.divider_color
|
|
self._current_color = self.unselected_color
|
|
self.check_anim_out.bind(
|
|
on_complete=lambda *x: self.check_anim_in.start(self)
|
|
)
|
|
self.bind(
|
|
checkbox_icon_normal=self.update_icon,
|
|
checkbox_icon_down=self.update_icon,
|
|
radio_icon_normal=self.update_icon,
|
|
radio_icon_down=self.update_icon,
|
|
group=self.update_icon,
|
|
selected_color=self.update_color,
|
|
unselected_color=self.update_color,
|
|
disabled_color=self.update_color,
|
|
disabled=self.update_color,
|
|
state=self.update_color,
|
|
)
|
|
self.theme_cls.bind(primary_color=self.update_primary_color)
|
|
self.theme_cls.bind(theme_style=self.update_primary_color)
|
|
self.update_icon()
|
|
self.update_color()
|
|
|
|
def update_primary_color(self, instance, value):
|
|
if value in ("Dark", "Light"):
|
|
if not self.disabled:
|
|
self.color = self.theme_cls.primary_color
|
|
else:
|
|
self.color = self.disabled_color
|
|
else:
|
|
self.selected_color = value
|
|
|
|
def update_icon(self, *args):
|
|
if self.state == "down":
|
|
self.icon = (
|
|
self.radio_icon_down if self.group else self.checkbox_icon_down
|
|
)
|
|
else:
|
|
self.icon = (
|
|
self.radio_icon_normal
|
|
if self.group
|
|
else self.checkbox_icon_normal
|
|
)
|
|
|
|
def update_color(self, *args):
|
|
if self.disabled:
|
|
self._current_color = self.disabled_color
|
|
elif self.state == "down":
|
|
self._current_color = self.selected_color
|
|
else:
|
|
self._current_color = self.unselected_color
|
|
|
|
def on_state(self, *args):
|
|
if self.state == "down":
|
|
self.check_anim_in.cancel(self)
|
|
self.check_anim_out.start(self)
|
|
self.update_icon()
|
|
if self.group:
|
|
self._release_group(self)
|
|
self.active = True
|
|
else:
|
|
self.check_anim_in.cancel(self)
|
|
if not self.group:
|
|
self.check_anim_out.start(self)
|
|
self.update_icon()
|
|
self.active = False
|
|
|
|
def on_active(self, *args):
|
|
self.state = "down" if self.active else "normal"
|
|
|
|
|
|
class Thumb(
|
|
FakeCircularElevationBehavior,
|
|
CircularRippleBehavior,
|
|
ButtonBehavior,
|
|
Widget,
|
|
):
|
|
ripple_scale = NumericProperty(2)
|
|
"""
|
|
See :attr:`~kivymd.uix.behaviors.ripplebehavior.CommonRipple.ripple_scale`.
|
|
|
|
:attr:`ripple_scale` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `2`.
|
|
"""
|
|
|
|
def _set_ellipse(self, instance, value):
|
|
self.ellipse.size = (self._ripple_rad, self._ripple_rad)
|
|
if self.ellipse.size[0] > self.width * 1.5 and not self._fading_out:
|
|
self.fade_out()
|
|
self.ellipse.pos = (
|
|
self.center_x - self._ripple_rad / 2.0,
|
|
self.center_y - self._ripple_rad / 2.0,
|
|
)
|
|
self.stencil.pos = (
|
|
self.center_x - (self.width * self.ripple_scale) / 2,
|
|
self.center_y - (self.height * self.ripple_scale) / 2,
|
|
)
|
|
|
|
|
|
class MDSwitch(ThemableBehavior, ButtonBehavior, FloatLayout):
|
|
active = BooleanProperty(False)
|
|
"""
|
|
Indicates if the switch is active or inactive.
|
|
|
|
:attr:`active` is a :class:`~kivy.properties.BooleanProperty`
|
|
and defaults to `False`.
|
|
"""
|
|
|
|
_thumb_color = ColorProperty(get_color_from_hex(colors["Gray"]["50"]))
|
|
|
|
def _get_thumb_color(self):
|
|
return self._thumb_color
|
|
|
|
def _set_thumb_color(self, color, alpha=None):
|
|
if len(color) == 2:
|
|
self._thumb_color = get_color_from_hex(colors[color[0]][color[1]])
|
|
if alpha:
|
|
self._thumb_color[3] = alpha
|
|
elif len(color) == 4:
|
|
self._thumb_color = color
|
|
|
|
thumb_color = AliasProperty(
|
|
_get_thumb_color, _set_thumb_color, bind=["_thumb_color"]
|
|
)
|
|
"""
|
|
Get thumb color ``rgba`` format.
|
|
|
|
:attr:`thumb_color` is an :class:`~kivy.properties.AliasProperty`
|
|
and property is readonly.
|
|
"""
|
|
|
|
_thumb_color_down = ColorProperty([1, 1, 1, 1])
|
|
|
|
def _get_thumb_color_down(self):
|
|
return self._thumb_color_down
|
|
|
|
def _set_thumb_color_down(self, color, alpha=None):
|
|
if len(color) == 2:
|
|
self._thumb_color_down = get_color_from_hex(
|
|
colors[color[0]][color[1]]
|
|
)
|
|
if alpha:
|
|
self._thumb_color_down[3] = alpha
|
|
else:
|
|
self._thumb_color_down[3] = 1
|
|
elif len(color) == 4:
|
|
self._thumb_color_down = color
|
|
|
|
_thumb_color_disabled = ColorProperty(
|
|
get_color_from_hex(colors["Gray"]["400"])
|
|
)
|
|
|
|
thumb_color_disabled = get_color_from_hex(colors["Gray"]["800"])
|
|
"""
|
|
Get thumb color disabled ``rgba`` format.
|
|
|
|
:attr:`thumb_color_disabled` is an :class:`~kivy.properties.AliasProperty`
|
|
and property is readonly.
|
|
"""
|
|
|
|
def _get_thumb_color_disabled(self):
|
|
return self._thumb_color_disabled
|
|
|
|
def _set_thumb_color_disabled(self, color, alpha=None):
|
|
if len(color) == 2:
|
|
self._thumb_color_disabled = get_color_from_hex(
|
|
colors[color[0]][color[1]]
|
|
)
|
|
if alpha:
|
|
self._thumb_color_disabled[3] = alpha
|
|
elif len(color) == 4:
|
|
self._thumb_color_disabled = color
|
|
|
|
thumb_color_down = AliasProperty(
|
|
_get_thumb_color_disabled,
|
|
_set_thumb_color_disabled,
|
|
bind=["_thumb_color_disabled"],
|
|
)
|
|
"""
|
|
Get thumb color down ``rgba`` format.
|
|
|
|
:attr:`thumb_color_down` is an :class:`~kivy.properties.AliasProperty`
|
|
and property is readonly.
|
|
"""
|
|
|
|
theme_thumb_color = OptionProperty("Primary", options=["Primary", "Custom"])
|
|
"""
|
|
Thumb color scheme name
|
|
|
|
:attr:`theme_thumb_color` is an :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `Primary`.
|
|
"""
|
|
|
|
theme_thumb_down_color = OptionProperty(
|
|
"Primary", options=["Primary", "Custom"]
|
|
)
|
|
"""
|
|
Thumb Down color scheme name
|
|
|
|
:attr:`theme_thumb_down_color` is an :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `Primary`.
|
|
"""
|
|
|
|
_track_color_active = ColorProperty([0, 0, 0, 0])
|
|
_track_color_normal = ColorProperty([0, 0, 0, 0])
|
|
_track_color_disabled = ColorProperty([0, 0, 0, 0])
|
|
_thumb_pos = ListProperty([0, 0])
|
|
|
|
def __init__(self, **kwargs):
|
|
super().__init__(**kwargs)
|
|
self.theme_cls.bind(
|
|
theme_style=self._set_colors,
|
|
primary_color=self._set_colors,
|
|
primary_palette=self._set_colors,
|
|
)
|
|
self.bind(active=self._update_thumb_pos)
|
|
Clock.schedule_once(self._set_colors)
|
|
self.size_hint = (None, None)
|
|
self.size = (dp(36), dp(48))
|
|
|
|
def _set_colors(self, *args):
|
|
self._track_color_normal = self.theme_cls.disabled_hint_text_color
|
|
if self.theme_cls.theme_style == "Dark":
|
|
|
|
if self.theme_thumb_down_color == "Primary":
|
|
self._track_color_active = self.theme_cls.primary_color
|
|
else:
|
|
self._track_color_active = self.thumb_color_down
|
|
|
|
self._track_color_active[3] = 0.5
|
|
self._track_color_disabled = get_color_from_hex("FFFFFF")
|
|
self._track_color_disabled[3] = 0.1
|
|
|
|
if self.theme_thumb_color == "Primary":
|
|
self.thumb_color = get_color_from_hex(colors["Gray"]["400"])
|
|
|
|
if self.theme_thumb_down_color == "Primary":
|
|
self.thumb_color_down = get_color_from_hex(
|
|
colors[self.theme_cls.primary_palette]["200"]
|
|
)
|
|
else:
|
|
if self.theme_thumb_down_color == "Primary":
|
|
self._track_color_active = get_color_from_hex(
|
|
colors[self.theme_cls.primary_palette]["200"]
|
|
)
|
|
else:
|
|
self._track_color_active = self.thumb_color_down
|
|
|
|
self._track_color_active[3] = 0.5
|
|
self._track_color_disabled = self.theme_cls.disabled_hint_text_color
|
|
|
|
if self.theme_thumb_down_color == "Primary":
|
|
self.thumb_color_down = self.theme_cls.primary_color
|
|
|
|
if self.theme_thumb_color == "Primary":
|
|
self.thumb_color = get_color_from_hex(colors["Gray"]["50"])
|
|
|
|
def _update_thumb_pos(self, *args, animation=True):
|
|
if self.active:
|
|
_thumb_pos = (self.width - dp(14), self.height / 2 - dp(12))
|
|
else:
|
|
_thumb_pos = (0, self.height / 2 - dp(12))
|
|
Animation.cancel_all(self, "_thumb_pos")
|
|
if animation:
|
|
Animation(_thumb_pos=_thumb_pos, duration=0.2, t="out_quad").start(
|
|
self
|
|
)
|
|
else:
|
|
self._thumb_pos = _thumb_pos
|
|
|
|
def on_size(self, *args):
|
|
self._update_thumb_pos(animation=False)
|