Merge godot branch.v1.0

1 files changed, 118 insertions, 0 deletions

diff --git a/ui/touch_vertical_container/touch_vertical_container.gd b/ui/touch_vertical_container/touch_vertical_container.gd
new file mode 100644
index 0000000..8f87338
--- /dev/null
+++ b/ui/touch_vertical_container/touch_vertical_container.gd
@@ -0,0 +1,118 @@
+extends ScrollContainer
+class_name TouchVerticalContainer
+
+const POINTER_VELOCITY_DECAYING_FACTOR: float = PI
+const POINTER_VELOCITY_BOOST_FACTOR: float = 1.25
+
+var is_pointer_dragging		:= false
+var pointer_drag_velocity	:= 0.0
+var when_last_dragged		:= 0
+var exclude_controls		:= []
+
+onready var controls = get_node("controls")
+
+
+func _ready():
+	assert(controls != null, "TouchVerticalContainer failed to get 'controls' node.")
+	
+	var item_list_separation := float(controls.get_constant("separation"))
+	
+	for it in controls.get_children():
+		it = it as Control
+		if exclude_controls.has(it.name):
+			continue
+		
+		var sensor = PointerInputSensor.new()
+		it.add_child(sensor)
+		
+		sensor.name = "sensor"
+		sensor.anchor_right = 1.0
+		sensor.anchor_bottom = 1.0
+		sensor.margin_top = - item_list_separation / 2.0
+		sensor.margin_bottom = item_list_separation / 2.0
+		
+		sensor.connect("on_press", self, "pointer_input_on_press_handler")
+		sensor.connect("on_drag", self, "pointer_input_on_drag_handler")
+		sensor.connect("on_end_drag", self, "pointer_input_on_end_drag_handler")
+		sensor.connect("on_click", self, "pointer_input_on_click_handler")
+		sensor.connect("on_scroll", self, "pointer_input_on_scroll_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)
+		self.scroll_vertical -= pointer_drag_velocity * delta
+
+
+func pointer_input_on_press_handler(pointer: PointerInputSensor.PointerInputData):
+	is_pointer_dragging = true
+	grab_focus()
+
+
+func pointer_input_on_drag_handler(pointer: PointerInputSensor.PointerInputData):
+	is_pointer_dragging = true
+	var reported_velocity_abs := abs(pointer.velocity.y)
+	var relative_velocity := pointer.relative_position.y * Engine.get_frames_per_second()
+	var relative_velocity_abs := abs(relative_velocity)
+	pointer_drag_velocity = pointer.velocity.y if reported_velocity_abs > relative_velocity_abs else relative_velocity
+	self.scroll_vertical -= pointer.relative_position.y
+	when_last_dragged = OS.get_ticks_msec()
+
+
+func pointer_input_on_end_drag_handler(pointer: PointerInputSensor.PointerInputData):
+	is_pointer_dragging = false
+	if OS.get_ticks_msec() - when_last_dragged > 20:
+		pointer_drag_velocity = 0.0
+	else:
+		pointer_drag_velocity *= POINTER_VELOCITY_BOOST_FACTOR
+
+
+func pointer_input_on_click_handler(pointer: PointerInputSensor.PointerInputData):
+	# Get last leaf node.
+	var root := pointer.target.get_parent() as Control
+	var leaf := root as Node
+	while leaf.get_child_count() > 0:
+		leaf = leaf.get_child(leaf.get_child_count() - 1)
+	
+	# Navigate backwards from leaf to root until we find a node accepting the input.
+	var tried_leaf_as_root := false
+	while leaf != root || tried_leaf_as_root == false:
+		tried_leaf_as_root = leaf == root # Allow a final iteration cycle when leaf reaches root.
+		var node := leaf
+		
+		if node is PointerInputSensor \
+		|| node is Control == false \
+		|| node.mouse_filter == MOUSE_FILTER_IGNORE \
+		|| node.visible == false \
+		|| node.get_global_rect().has_point(pointer.current_position) == false:
+			# Get next node to be processed.
+			var leaf_index_in_parent := leaf.get_position_in_parent()
+			var parent := leaf.get_parent()
+			if leaf_index_in_parent == 0:
+				leaf = parent
+			else:
+				leaf = parent.get_child(leaf_index_in_parent - 1)
+				# Drill down into the new tree branch.
+				while leaf.get_child_count() > 0:
+					leaf = leaf.get_child(leaf.get_child_count() - 1)
+			continue
+		
+		var control: Control = node
+		if control is CheckBox || control is CheckButton || (control is Button && control.toggle_mode == true):
+			control.pressed = !control.pressed
+		
+		control.grab_focus()
+		control.emit_signal("button_down")
+		control.emit_signal("pressed")
+		control.emit_signal("button_up")
+		control.connect("focus_exited", pointer.target, "set_visible", [true], CONNECT_ONESHOT)
+		pointer.target.visible = false
+		break
+
+
+func pointer_input_on_scroll_handler(pointer: PointerInputSensor.PointerInputData):
+	var target := self
+	target._gui_input(pointer.event)
+
+