Split touch logic from database. Prototype of popup with list of options.

2 files changed, 93 insertions, 0 deletions

diff --git a/touch_item_list/touch_item_list.gd b/touch_item_list/touch_item_list.gd
new file mode 100644
index 0000000..d2d0d37
--- /dev/null
+++ b/touch_item_list/touch_item_list.gd
@@ -0,0 +1,70 @@
+extends ItemList
+class_name TouchItemList
+
+const POINTER_VELOCITY_DECAYING_FACTOR: float = 2.5
+
+var is_pointer_dragging		:= false
+var pointer_drag_velocity	:= 0.0
+
+onready var drag_sensor		:= get_node("drag_sensor") as PointerInputSensor
+onready var v_scroll_bar	:= get_v_scroll() as ScrollBar
+
+
+func _ready():
+	drag_sensor.connect("on_press", self, "pointer_input_handler")
+	drag_sensor.connect("on_drag", self, "pointer_input_handler")
+	drag_sensor.connect("on_end_drag", self, "pointer_input_handler")
+	drag_sensor.connect("on_click", self, "pointer_input_handler")
+	drag_sensor.connect("on_scroll", self, "pointer_input_handler")
+
+
+func _process(delta: float):
+	# Apply drag movement inertia.
+	if is_pointer_dragging == false && abs(pointer_drag_velocity) > 0.5:
+		pointer_drag_velocity *= clamp((1.0 - POINTER_VELOCITY_DECAYING_FACTOR * delta), 0.0, 1.0)
+		v_scroll_bar.value -= pointer_drag_velocity * delta
+
+
+func pointer_input_handler(pointer: PointerInputSensor.PointerInputData):
+	match pointer.action:
+		PointerInputSensor.PointerInputAction.ON_PRESS:
+			is_pointer_dragging = true
+		
+		PointerInputSensor.PointerInputAction.ON_DRAG:
+			is_pointer_dragging = true
+			pointer_drag_velocity = pointer.velocity.y
+			v_scroll_bar.value -= pointer.relative_position.y
+		
+		PointerInputSensor.PointerInputAction.ON_END_DRAG:
+			is_pointer_dragging = false
+		
+		PointerInputSensor.PointerInputAction.ON_SCROLL:
+			var target := self
+			target._gui_input(pointer.event)
+		
+		PointerInputSensor.PointerInputAction.ON_CLICK:
+			var target := self
+			var position := target.get_global_mouse_position() - target.rect_global_position
+			
+			var event_touch := InputEventScreenTouch.new()
+			event_touch.index = 0
+			event_touch.position = position
+			
+			var event_mouse := InputEventMouseButton.new()
+			event_mouse.button_index = BUTTON_LEFT
+			event_mouse.button_mask = BUTTON_MASK_LEFT
+			event_mouse.position = position
+			
+			event_mouse.pressed = true
+			event_touch.pressed = true
+			target._gui_input(event_mouse)
+			target._gui_input(event_touch)
+			
+			target.grab_focus()
+			
+			event_mouse.pressed = false
+			event_touch.pressed = false
+			target._gui_input(event_mouse)
+			target._gui_input(event_touch)
+
+
diff --git a/touch_item_list/touch_item_list.tscn b/touch_item_list/touch_item_list.tscn
new file mode 100644
index 0000000..6022ed4
--- /dev/null
+++ b/touch_item_list/touch_item_list.tscn
@@ -0,0 +1,23 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://pointer_input_sensor.gd" type="Script" id=1]
+[ext_resource path="res://touch_item_list/touch_item_list.gd" type="Script" id=2]
+
+[node name="item_list" type="ItemList"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_top = 60.0
+mouse_filter = 2
+script = ExtResource( 2 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="drag_sensor" type="Control" parent="."]
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_right = -8.0
+script = ExtResource( 1 )
+__meta__ = {
+"_edit_use_anchors_": false
+}