1 files changed, 66 insertions, 0 deletions
diff --git a/touch_scroll.gd b/touch_scroll.gd
new file mode 100644
index 0000000..ea92087
--- /dev/null
+++ b/touch_scroll.gd
@@ -0,0 +1,66 @@
+extends Control
+
+
+func _gui_input(event: InputEvent):
+#func _input(event: InputEvent):
+#	return
+	if event is InputEventScreenDrag:
+		self.v_scroll.value -= event.relative.y
+#	accept_event()
+
+#func _gui_input(event):
+#	accept_event()
+#	get_tree().set_input_as_handled()
+#	if event is InputEventScreenDrag:
+#		get_parent().v_scroll.value -= event.relative.y
+
+
+export(float) var drag_threshold = 5
+onready var touch_enabled = OS.has_touchscreen_ui_hint()
+onready var v_scroll = get_parent().get_v_scroll()
+
+var dragging = false
+var pressed = false
+var last_event
+# must be _input, as _gui_input has bugs, with no touch.pressed = false events
+# see: https://github.com/godotengine/godot/issues/16761
+func _input_disabled(event):
+#func _gui_input(event):
+	
+	if not visible:
+		return
+
+	if not touch_enabled:
+		return
+
+	if event is InputEventScreenDrag:
+		accept_event()
+		if event.speed == Vector2():
+			# we're on a device and speed is broken
+			# see: https://github.com/godotengine/godot/issues/3623
+			event.speed = event.relative
+		if abs(event.speed.y) >= drag_threshold:
+			# scroll the list
+			dragging = true
+			v_scroll.value -= event.relative.y
+		return
+
+	if event is InputEventScreenTouch:
+		if event.index == 0:
+			accept_event()
+			if dragging && event.pressed == false:
+				# prints("end drag")
+				dragging = false
+				pressed = false
+			else:
+				if event.pressed && pressed == false:
+					# prints("touch start")
+					pressed = true
+					# TODO: prevent select highlight
+				elif !event.pressed && pressed == true:
+					# prints("touch end and accept")
+					pressed = false
+					var ev = InputEventAction.new()
+					ev.action = "ui_accept"
+					ev.pressed = true
+					Input.parse_input_event(ev)