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touchtracer: grab the touches to prevent to take some touches from settings.

This commit is contained in:
Mathieu Virbel 2011-10-22 01:26:38 +02:00
parent 317c71ebdd
commit 5a371a5b8d
1 changed files with 7 additions and 0 deletions
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7
examples/demo/touchtracer/main.py
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@ -42,8 +42,12 @@ class Touchtracer(FloatLayout):
ud['label'] = Label(size_hint=(None, None)) ud['label'] = Label(size_hint=(None, None))
self.update_touch_label(ud['label'], touch) self.update_touch_label(ud['label'], touch)
self.add_widget(ud['label']) self.add_widget(ud['label'])
touch.grab(self)
return True
def on_touch_move(self, touch): def on_touch_move(self, touch):
if touch.grab_current is not self:
return
ud = touch.ud ud = touch.ud
ud['lines'][0].pos = touch.x, 0 ud['lines'][0].pos = touch.x, 0
ud['lines'][1].pos = 0, touch.y ud['lines'][1].pos = 0, touch.y
@ -63,6 +67,9 @@ class Touchtracer(FloatLayout):
self.update_touch_label(ud['label'], touch) self.update_touch_label(ud['label'], touch)
def on_touch_up(self, touch): def on_touch_up(self, touch):
if touch.grab_current is not self:
return
touch.ungrab(self)
ud = touch.ud ud = touch.ud
self.canvas.remove_group(ud['group']) self.canvas.remove_group(ud['group'])
self.remove_widget(ud['label']) self.remove_widget(ud['label'])