godot-accessibility/addons/accessibility/accessible.gd

181 lines
4.9 KiB
GDScript

extends Object
var node
var position_in_children = 0
func item_or_items(count):
if count == 1:
return "item"
else:
return "items"
func focus_button():
var text = "Unlabelled"
if node.text:
text = node.text
if text:
print("%s: button" % text)
else:
print("button")
func focus_item_list():
var count = node.get_item_count()
var selected = node.get_selected_items()
print("list, %s %s" % [count, item_or_items(count)])
print(selected)
func handle_item_list_item_selected(index):
print("Selected")
func handle_item_list_multi_selected(index, selected):
print("Multiselect")
func handle_item_list_nothing_selected():
print("Nothing selected")
func input_item_list(event):
var old_pos = position_in_children
if event.echo or not event.pressed:
return
if event.scancode == KEY_UP:
node.get_tree().set_input_as_handled()
if position_in_children == 0:
return
position_in_children -= 1
elif event.scancode == KEY_DOWN:
node.get_tree().set_input_as_handled()
if position_in_children >= node.get_item_count()-1:
return
position_in_children += 1
elif event.scancode == KEY_HOME:
position_in_children = 0
elif event.scancode == KEY_END:
position_in_children = node.get_item_count()-1
if old_pos != position_in_children:
var text = node.get_item_text(position_in_children)
print("%s: %s of %s" % [text, position_in_children+1, node.get_item_count()])
func focus_line_edit():
var text = "blank"
if node.secret:
text = "password"
elif node.text != "":
text = node.text
elif node.placeholder_text != "":
text = node.placeholder_text
var type = "editable text"
if not node.editable:
type = "text"
print("%s: %s" % [text, type])
func text_deleted(text):
print("%s deleted" % text)
func text_inserted(text):
print(text)
var old_pos
func check_caret_moved():
var pos = node.caret_position
if old_pos != pos:
var text = node.text
if pos > len(text)-1:
print("blank")
else:
print(text[pos])
old_pos = pos
func focus_menu_button():
print(node.text, ": menu")
func render_popup_menu_item(id):
var item = node.get_item_text(id)
var submenu = node.get_item_submenu(position_in_children)
var tooltip = node.get_item_tooltip(position_in_children)
if submenu:
item = submenu
if item and tooltip:
item += ": "
item += tooltip
elif tooltip:
item = tooltip
var shortcut = node.get_item_shortcut(position_in_children)
if shortcut:
item += ": "+shortcut.get_as_text()
return item
func focus_popup_menu():
print("menu")
func focus_popup_menu_item(id):
print(render_popup_menu_item(id))
func render_tree_item():
var item = node.get_selected()
var result = item.get_text(0)
return result
func focus_tree():
print(render_tree_item(), ": tree item")
func select_tree():
if node.has_focus():
print(render_tree_item())
func focused():
# print(node)
if node is MenuButton:
focus_menu_button()
elif node is Button:
focus_button()
elif node is ItemList:
focus_item_list()
elif node is LineEdit:
focus_line_edit()
elif node is PopupMenu:
focus_popup_menu()
elif node is Tree:
focus_tree()
else:
print("Focus entered.", node)
if node.hint_tooltip:
print(node.hint_tooltip)
func unfocused():
position_in_children = 0
func gui_input(event):
if node is ItemList:
return input_item_list(event)
elif node is LineEdit:
return check_caret_moved()
func _init(node):
if node.is_in_group("accessible"):
return
node.add_to_group("accessible")
self.node = node
if not node is Container and not node is Panel and not node is Separator:
node.set_focus_mode(Control.FOCUS_ALL)
node.connect("focus_entered", self, "focused")
node.connect("mouse_entered", self, "focused")
node.connect("focus_exited", self, "unfocused")
node.connect("mouse_exited", self, "unfocused")
node.connect("gui_input", self, "gui_input")
if node is ItemList:
node.connect("item_selected", self, "handle_item_list_item_selected")
node.connect("multi_selected", self, "handle_item_list_multi_selected")
node.connect("nothing_selected", self, "handle_item_list_nothing_selected")
elif node is LineEdit:
node.connect("text_deleted", self, "text_deleted")
node.connect("text_inserted", self, "text_inserted")
elif node is PopupMenu:
node.connect("id_focused", self, "focus_popup_menu_item")
elif node is Tree:
node.connect("item_selected", self, "select_tree")
node.connect("tree_exiting", self, "free")