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Initial support for touchscreen swipe left/right/up/down.

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This commit is contained in:
Nolan Darilek 2019-12-29 17:59:48 -06:00
parent 8f53556129
commit 6542994a25
1 changed files with 41 additions and 1 deletions
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42
ScreenReader.gd
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@ -1,8 +1,18 @@
tool tool
extends Node extends Node
signal swipe_left
signal swipe_right
signal swipe_up
signal swipe_down
var Accessible = preload("Accessible.gd") var Accessible = preload("Accessible.gd")
export var explore_by_touch_distance = 5
var focus_restore_timer var focus_restore_timer
func focused(node): func focused(node):
@ -66,9 +76,39 @@ func set_initial_scene_focus(scene):
func _enter_tree(): func _enter_tree():
get_tree().connect("node_added", self, "augment_tree") get_tree().connect("node_added", self, "augment_tree")
var touch_index = null
var touch_position = null
var explore_by_touch = false
func _input(event): func _input(event):
if event is InputEventScreenTouch: if event is InputEventScreenTouch:
pass print(event.position)
get_tree().set_input_as_handled()
if touch_index and event.index != touch_index:
return
if event.pressed:
touch_index = event.index
touch_position = event.position
else:
touch_index = null
var relative = event.position - touch_position
if abs(relative.x) > abs(relative.y):
if relative.x > 0:
emit_signal("swipe_right")
else:
emit_signal("swipe_left")
else:
if relative.y > 0:
emit_signal("swipe_down")
else:
emit_signal("swipe_up")
touch_position = null
explore_by_touch = false
elif event is InputEventScreenDrag:
if touch_index and event.index != touch_index:
return
func _process(delta): func _process(delta):
if focus_restore_timer and focus_restore_timer.time_left <= 0: if focus_restore_timer and focus_restore_timer.time_left <= 0: