96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
from functools import partial
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from kivy.animation import Animation
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from kivy.core.window import Window
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from kivy.clock import Clock
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from kivy.uix.bubble import Bubble, BubbleButton
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from kivy.properties import ListProperty
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from kivy.uix.widget import Widget
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from electrum_bitcoinprivate_gui.kivy.i18n import _
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class ContextMenuItem(Widget):
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'''abstract class
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'''
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class ContextButton(ContextMenuItem, BubbleButton):
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pass
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class ContextMenu(Bubble):
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buttons = ListProperty([_('ok'), _('cancel')])
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'''List of Buttons to be displayed at the bottom'''
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__events__ = ('on_press', 'on_release')
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def __init__(self, **kwargs):
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self._old_buttons = self.buttons
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super(ContextMenu, self).__init__(**kwargs)
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self.on_buttons(self, self.buttons)
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def on_touch_down(self, touch):
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if not self.collide_point(*touch.pos):
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self.hide()
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return
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return super(ContextMenu, self).on_touch_down(touch)
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def on_buttons(self, _menu, value):
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if 'menu_content' not in self.ids.keys():
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return
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if value == self._old_buttons:
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return
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blayout = self.ids.menu_content
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blayout.clear_widgets()
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for btn in value:
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ib = ContextButton(text=btn)
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ib.bind(on_press=partial(self.dispatch, 'on_press'))
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ib.bind(on_release=partial(self.dispatch, 'on_release'))
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blayout.add_widget(ib)
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self._old_buttons = value
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def on_press(self, instance):
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pass
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def on_release(self, instance):
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pass
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def show(self, pos, duration=0):
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Window.add_widget(self)
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# wait for the bubble to adjust it's size according to text then animate
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Clock.schedule_once(lambda dt: self._show(pos, duration))
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def _show(self, pos, duration):
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def on_stop(*l):
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if duration:
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Clock.schedule_once(self.hide, duration + .5)
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self.opacity = 0
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arrow_pos = self.arrow_pos
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if arrow_pos[0] in ('l', 'r'):
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pos = pos[0], pos[1] - (self.height/2)
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else:
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pos = pos[0] - (self.width/2), pos[1]
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self.limit_to = Window
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anim = Animation(opacity=1, pos=pos, d=.32)
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anim.bind(on_complete=on_stop)
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anim.cancel_all(self)
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anim.start(self)
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def hide(self, *dt):
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def on_stop(*l):
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Window.remove_widget(self)
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anim = Animation(opacity=0, d=.25)
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anim.bind(on_complete=on_stop)
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anim.cancel_all(self)
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anim.start(self)
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def add_widget(self, widget, index=0):
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if not isinstance(widget, ContextMenuItem):
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super(ContextMenu, self).add_widget(widget, index)
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return
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menu_content.add_widget(widget, index)
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