Touch#
#
Provides easy access to events.
The following events are available:
on_long_touch
on_double_tap
on_triple_tap
Usage#
from kivy.lang import Builder
from kivy.properties import StringProperty
from kivymd.app import MDApp
from kivymd.uix.behaviors import TouchBehavior
from kivymd.uix.button import MDButton
KV = '''
<TouchBehaviorButton>
style: "elevated"
MDButtonText:
text: root.text
MDScreen:
md_bg_color: self.theme_cls.backgroundColor
TouchBehaviorButton:
text: "TouchBehavior"
pos_hint: {"center_x": .5, "center_y": .5}
'''
class TouchBehaviorButton(MDButton, TouchBehavior):
text = StringProperty()
def on_long_touch(self, *args):
print("<on_long_touch> event")
def on_double_tap(self, *args):
print("<on_double_tap> event")
def on_triple_tap(self, *args):
print("<on_triple_tap> event")
class Example(MDApp):
def build(self):
return Builder.load_string(KV)
Example().run()
API - kivymd.uix.behaviors.touch_behavior
#
- class kivymd.uix.behaviors.touch_behavior.TouchBehavior(**kwargs)#
- duration_long_touch#
Time for a long touch.
duration_long_touch
is anNumericProperty
and defaults to 0.4.
- create_clock(widget, touch, *args)#
- delete_clock(widget, touch, *args)#
Removes a key event from touch.ud.
- on_long_touch(touch, *args)#
Fired when the widget is pressed for a long time.
- on_double_tap(touch, *args)#
Fired by double-clicking on the widget.
- on_triple_tap(touch, *args)#
Fired by triple clicking on the widget.