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Begin adding support to enable/disable screen reader.

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This commit is contained in:
Nolan Darilek 2020-03-30 15:15:00 -05:00
parent fa9e10b1ea
commit fb56a4e37d
1 changed files with 22 additions and 1 deletions
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21
ScreenReader.gd
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@ -11,6 +11,8 @@ signal swipe_down
var Accessible = preload("Accessible.gd") var Accessible = preload("Accessible.gd")
export var enabled = true setget _set_enabled, _get_enabled
export var min_swipe_distance = 5 export var min_swipe_distance = 5
export var tap_execute_interval = 125 export var tap_execute_interval = 125
@ -19,6 +21,16 @@ export var explore_by_touch_interval = 200
var focus_restore_timer var focus_restore_timer
func _set_enabled(v):
if enabled:
augment_tree(get_tree().root)
else:
pass
enabled = v
func _get_enabled():
return enabled
func focused(node): func focused(node):
focus_restore_timer = null focus_restore_timer = null
@ -29,6 +41,8 @@ func unfocused(node):
focus_restore_timer = get_tree().create_timer(0.2) focus_restore_timer = get_tree().create_timer(0.2)
func augment_node(node): func augment_node(node):
if not enabled:
return
if node is Control: if node is Control:
Accessible.new(node) Accessible.new(node)
if not node.is_connected("focus_entered", self, "focused"): if not node.is_connected("focus_entered", self, "focused"):
@ -41,6 +55,8 @@ func augment_node(node):
node.connect("mouse_exited", self, "unfocused", [node]) node.connect("mouse_exited", self, "unfocused", [node])
func augment_tree(node): func augment_tree(node):
if not enabled:
return
if node is Accessible: if node is Accessible:
return return
augment_node(node) augment_node(node)
@ -77,6 +93,7 @@ func set_initial_scene_focus(scene):
focus.grab_focus() focus.grab_focus()
func _enter_tree(): func _enter_tree():
if enabled:
augment_tree(get_tree().root) augment_tree(get_tree().root)
get_tree().connect("node_added", self, "augment_node") get_tree().connect("node_added", self, "augment_node")
connect("swipe_right", self, "swipe_right") connect("swipe_right", self, "swipe_right")
@ -139,6 +156,8 @@ var explore_by_touch = false
var tap_count = 0 var tap_count = 0
func _input(event): func _input(event):
if not enabled:
return
if event is InputEventScreenTouch: if event is InputEventScreenTouch:
get_tree().set_input_as_handled() get_tree().set_input_as_handled()
if touch_index and event.index != touch_index: if touch_index and event.index != touch_index:
@ -178,6 +197,8 @@ func _input(event):
get_tree().set_input_as_handled() get_tree().set_input_as_handled()
func _process(delta): func _process(delta):
if not enabled:
return
if touch_stop_time and OS.get_ticks_msec() - touch_stop_time >= tap_execute_interval and tap_count != 0: if touch_stop_time and OS.get_ticks_msec() - touch_stop_time >= tap_execute_interval and tap_count != 0:
touch_stop_time = null touch_stop_time = null
if tap_count == 2: if tap_count == 2: