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This commit is contained in:
Kovid Goyal 2016-08-21 11:20:26 +05:30
parent c36c60b708
commit d3f36abfac
1 changed files with 3 additions and 2 deletions
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5
src/pyj/read_book/touch.pyj
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@ -5,6 +5,7 @@ from __python__ import hash_literals, bound_methods
from read_book.globals import get_boss
HOLD_THRESHOLD = 750 # milliseconds
TAP_THRESHOLD = 5 # pixels
TAP_LINK_THRESHOLD = 5 # pixels
@ -33,7 +34,7 @@ def interpret_single_gesture(touch, gesture_id):
max_x_displacement = max_displacement(touch.viewport_x)
max_y_displacement = max_displacement(touch.viewport_y)
ans = {'active':touch.active, 'is_held':touch.is_held, 'id':gesture_id}
if max(max_x_displacement, max_y_displacement) < 25:
if max(max_x_displacement, max_y_displacement) < TAP_THRESHOLD:
ans.type = 'tap'
ans.viewport_x = touch.viewport_x[0]
ans.viewport_y = touch.viewport_y[0]
@ -42,7 +43,7 @@ def interpret_single_gesture(touch, gesture_id):
return ans
delta_x = abs(touch.viewport_x[-1] - touch.viewport_x[0])
delta_y = abs(touch.viewport_y[-1] - touch.viewport_y[0])
if max(delta_y, delta_x) > 30 and min(delta_x, delta_y)/max(delta_y, delta_x) < 0.35:
if max(delta_y, delta_x) > TAP_THRESHOLD and min(delta_x, delta_y)/max(delta_y, delta_x) < 0.35:
ans.type = 'swipe'
ans.axis = 'vertical' if delta_y > delta_x else 'horizontal'
ans.points = pts = touch.viewport_y if ans.axis is 'vertical' else touch.viewport_x