test-kivy-app/kivy_venv/share/kivy-examples/demo/multistroke/settings.py

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2024-09-15 12:12:16 +00:00
__all__ = ('MultistrokeSettingsContainer', 'MultistrokeSettingItem',
'MultistrokeSettingBoolean', 'MultistrokeSettingSlider',
'MultistrokeSettingString', 'MultistrokeSettingTitle')
from kivy.factory import Factory
from kivy.lang import Builder
from kivy.uix.gridlayout import GridLayout
from kivy.uix.label import Label
from kivy.properties import (StringProperty, NumericProperty, OptionProperty,
BooleanProperty)
from kivy.uix.popup import Popup
Builder.load_file('settings.kv')
class MultistrokeSettingsContainer(GridLayout):
pass
class MultistrokeSettingItem(GridLayout):
title = StringProperty('<No title set>')
desc = StringProperty('')
class MultistrokeSettingTitle(Label):
title = StringProperty('<No title set>')
desc = StringProperty('')
class MultistrokeSettingBoolean(MultistrokeSettingItem):
button_text = StringProperty('')
value = BooleanProperty(False)
class MultistrokeSettingString(MultistrokeSettingItem):
value = StringProperty('')
class EditSettingPopup(Popup):
def __init__(self, **kwargs):
super(EditSettingPopup, self).__init__(**kwargs)
self.register_event_type('on_validate')
def on_validate(self, *l):
pass
class MultistrokeSettingSlider(MultistrokeSettingItem):
min = NumericProperty(0)
max = NumericProperty(100)
type = OptionProperty('int', options=['float', 'int'])
value = NumericProperty(0)
def __init__(self, **kwargs):
super(MultistrokeSettingSlider, self).__init__(**kwargs)
self._popup = EditSettingPopup()
self._popup.bind(on_validate=self._validate)
self._popup.bind(on_dismiss=self._dismiss)
def _to_numtype(self, v):
try:
if self.type == 'float':
return round(float(v), 1)
else:
return int(v)
except ValueError:
return self.min
def _dismiss(self, *l):
self._popup.ids.input.focus = False
def _validate(self, instance, value):
self._popup.dismiss()
val = self._to_numtype(self._popup.ids.input.text)
if val < self.min:
val = self.min
elif val > self.max:
val = self.max
self.value = val
def on_touch_down(self, touch):
if not self.ids.sliderlabel.collide_point(*touch.pos):
return super(MultistrokeSettingSlider, self).on_touch_down(touch)
ids = self._popup.ids
ids.value = str(self.value)
ids.input.text = str(self._to_numtype(self.value))
self._popup.open()
ids.input.focus = True
ids.input.select_all()
Factory.register('MultistrokeSettingsContainer',
cls=MultistrokeSettingsContainer)
Factory.register('MultistrokeSettingTitle', cls=MultistrokeSettingTitle)
Factory.register('MultistrokeSettingBoolean', cls=MultistrokeSettingBoolean)
Factory.register('MultistrokeSettingSlider', cls=MultistrokeSettingSlider)
Factory.register('MultistrokeSettingString', cls=MultistrokeSettingString)