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Tap-hold now always simulates a mouse click

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This commit is contained in:
Kovid Goyal 2016-08-20 11:11:56 +05:30
parent 67f0358296
commit d0aff1e53a
1 changed files with 15 additions and 7 deletions
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22
src/pyj/read_book/touch.pyj
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@ -4,6 +4,10 @@ from __python__ import hash_literals, bound_methods
from read_book.globals import get_boss
HOLD_THRESHOLD = 750 # milliseconds
TAP_LINK_THRESHOLD = 5 # pixels
gesture_id = 0
def copy_touch(t):
@ -65,8 +69,6 @@ def find_link(x, y):
p = p.parentNode
TAP_LINK_THRESHOLD = 5
def tap_on_link(gesture):
for delta_x in [0, TAP_LINK_THRESHOLD, -TAP_LINK_THRESHOLD]:
for delta_y in [0, TAP_LINK_THRESHOLD, -TAP_LINK_THRESHOLD]:
@ -122,7 +124,7 @@ class TouchHandler:
found_hold = False
for touchid in self.ongoing_touches:
touch = self.ongoing_touches[touchid]
if touch.active and now - touch.mtime > 750:
if touch.active and now - touch.mtime > HOLD_THRESHOLD:
touch.is_held = True
found_hold = True
if found_hold:
@ -186,10 +188,16 @@ class TouchHandler:
return
if gesture.type is 'tap':
if gesture.is_held:
if self.handled_tap_hold:
return
self.handled_tap_hold = True
# TODO: send a fake click event
if not self.handled_tap_hold:
self.handled_tap_hold = True
fake_click = new MouseEvent('click', {
'clientX': gesture.viewport_x, 'clientY':gesture.viewport_y, 'buttons': 1,
'view':window.self, 'bubbles': True, 'cancelable': True,
})
elem = document.elementFromPoint(fake_click.clientX, fake_click.clientY)
if elem:
elem.dispatchEvent(fake_click)
return
if not tap_on_link(gesture):
# TODO: Convert the tap gesture into
# semantic gestures based on position of tap (next page/previous