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Make drag scrolling semantics read mode dependant

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Kovid Goyal 2020-08-09 12:30:36 +05:30
parent aca602c118
commit 34375f5891
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 10 additions and 4 deletions
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14
src/pyj/read_book/selection_bar.pyj
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@ -232,7 +232,7 @@ class SelectionBar:
self.position_in_handle = {'x': 0, 'y': 0}
self.active_touch = None
self.drag_scroll_timer = None
self.last_drag_scroll_at = -100000
self.last_drag_scroll_at = None
self.left_line_height = self.right_line_height = 0
self.current_editor = None
@ -505,10 +505,16 @@ class SelectionBar:
if self.state is not DRAGGING:
return
sd = get_session_data()
interval = 1000/sd.get('lines_per_sec_smooth') if self.in_flow_mode else 1200
in_flow_mode = sd.get('read_mode') is 'flow'
interval = 1000/sd.get('lines_per_sec_smooth') if in_flow_mode else 1200
self.drag_scroll_timer = window.setTimeout(self.do_one_drag_scroll.bind(None, backwards, distance_from_boundary), interval)
now = window.performance.now()
if now - self.last_drag_scroll_at > interval:
if self.last_drag_scroll_at is None:
# dont jump a page immediately in paged mode
if in_flow_mode:
self.send_drag_scroll_message(backwards, 'left' if self.dragging_handle is self.left_handle_id else 'right', True)
self.last_drag_scroll_at = now
elif now - self.last_drag_scroll_at > interval:
self.send_drag_scroll_message(backwards, 'left' if self.dragging_handle is self.left_handle_id else 'right', True)
self.last_drag_scroll_at = now
@ -521,7 +527,7 @@ class SelectionBar:
if self.drag_scroll_timer is not None:
window.clearTimeout(self.drag_scroll_timer)
self.drag_scroll_timer = None
self.last_drag_scroll_at = -10000
self.last_drag_scroll_at = None
# }}}