119 lines
3.2 KiB
GDScript
119 lines
3.2 KiB
GDScript
class_name MessageBottleReader
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extends Control
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signal closed
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const MAX_PARCHMENT_SIZE := Vector2(640.0, 480.0)
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const FALLBACK_PARCHMENT_ASPECT: float = 4.0 / 3.0
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const VIEWPORT_MARGIN := Vector2(32.0, 32.0)
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@export var parchment_texture: Texture2D:
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set(value):
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parchment_texture = value
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_apply_parchment_texture()
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@onready var _parchment_surface: Control = %ParchmentSurface
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@onready var _fallback_panel: Control = %FallbackPanel
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@onready var _parchment_art: TextureRect = %ParchmentArt
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@onready var _message_label: Label = %MessageLabel
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@onready var _close_button: Button = %CloseButton
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var _previous_focus: WeakRef
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func _ready() -> void:
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_close_button.pressed.connect(dismiss)
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_close_button.focus_neighbor_left = _close_button.get_path_to(_close_button)
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_close_button.focus_neighbor_right = _close_button.get_path_to(_close_button)
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_close_button.focus_neighbor_top = _close_button.get_path_to(_close_button)
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_close_button.focus_neighbor_bottom = _close_button.get_path_to(_close_button)
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_apply_parchment_texture()
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_resize_parchment()
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hide()
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func present(message_text: String) -> void:
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if not is_node_ready():
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call_deferred("present", message_text)
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return
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if not is_open():
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var focus_owner: Control = get_viewport().gui_get_focus_owner()
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_previous_focus = weakref(focus_owner) if focus_owner != null else null
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_message_label.text = message_text
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show()
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_close_button.call_deferred("grab_focus")
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func dismiss() -> void:
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if not is_open():
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return
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hide()
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_restore_previous_focus.call_deferred()
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closed.emit()
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func is_open() -> bool:
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return visible
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func consume_escape() -> bool:
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if not is_open():
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return false
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dismiss()
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return true
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func _unhandled_input(event: InputEvent) -> void:
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if not is_open() or not event.is_action_pressed(&"ui_cancel"):
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return
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if consume_escape():
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get_viewport().set_input_as_handled()
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func _notification(what: int) -> void:
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if what == NOTIFICATION_RESIZED and is_node_ready():
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_resize_parchment()
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func _resize_parchment() -> void:
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var available_size: Vector2 = (
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get_viewport_rect().size - VIEWPORT_MARGIN
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).max(Vector2.ONE)
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var target_size: Vector2 = MAX_PARCHMENT_SIZE.min(available_size)
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var aspect: float = FALLBACK_PARCHMENT_ASPECT
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if parchment_texture != null:
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var texture_size: Vector2 = parchment_texture.get_size()
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if texture_size.x > 0.0 and texture_size.y > 0.0:
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aspect = texture_size.x / texture_size.y
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if target_size.x / target_size.y > aspect:
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target_size.x = target_size.y * aspect
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else:
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target_size.y = target_size.x / aspect
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_parchment_surface.custom_minimum_size = target_size.floor()
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func _apply_parchment_texture() -> void:
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if _parchment_art == null:
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return
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_parchment_art.texture = parchment_texture
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_parchment_art.visible = parchment_texture != null
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if _fallback_panel != null:
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_fallback_panel.visible = parchment_texture == null
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_resize_parchment()
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func _restore_previous_focus() -> void:
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if _previous_focus == null:
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get_viewport().gui_release_focus()
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return
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var previous: Control = _previous_focus.get_ref() as Control
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_previous_focus = null
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if (
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is_instance_valid(previous)
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and previous.is_inside_tree()
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and previous.is_visible_in_tree()
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and previous.focus_mode != Control.FOCUS_NONE
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):
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previous.grab_focus()
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else:
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get_viewport().gui_release_focus()
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