48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
'''
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Ignore list
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===========
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Ignore touch on some areas of the screen
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'''
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__all__ = ('InputPostprocIgnoreList', )
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from kivy.config import Config
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from kivy.utils import strtotuple
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class InputPostprocIgnoreList(object):
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'''
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InputPostprocIgnoreList is a post-processor which removes touches in the
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Ignore list. The Ignore list can be configured in the Kivy config file::
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[postproc]
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# Format: [(xmin, ymin, xmax, ymax), ...]
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ignore = [(0.1, 0.1, 0.15, 0.15)]
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The Ignore list coordinates are in the range 0-1, not in screen pixels.
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'''
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def __init__(self):
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self.ignore_list = strtotuple(Config.get('postproc', 'ignore'))
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def collide_ignore(self, touch):
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x, y = touch.sx, touch.sy
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for l in self.ignore_list:
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xmin, ymin, xmax, ymax = l
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if x > xmin and x < xmax and y > ymin and y < ymax:
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return True
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def process(self, events):
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if not len(self.ignore_list):
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return events
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for etype, touch in events:
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if not touch.is_touch:
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continue
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if etype != 'begin':
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continue
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if self.collide_ignore(touch):
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touch.ud.__pp_ignore__ = True
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return [(etype, touch) for etype, touch in events
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if '__pp_ignore__' not in touch.ud]
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