mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
116 lines
3.7 KiB
XML
116 lines
3.7 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
|
|
<class name="Signal" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
|
|
<brief_description>
|
|
Class representing a signal defined in an object.
|
|
</brief_description>
|
|
<description>
|
|
</description>
|
|
<tutorials>
|
|
<link title="Using Signals">$DOCS_URL/getting_started/step_by_step/signals.html</link>
|
|
<link title="GDScript Basics">$DOCS_URL/tutorials/scripting/gdscript/gdscript_basics.html#signals</link>
|
|
</tutorials>
|
|
<constructors>
|
|
<constructor name="Signal">
|
|
<return type="Signal" />
|
|
<description>
|
|
Constructs a null [Signal] with no object nor signal name bound.
|
|
</description>
|
|
</constructor>
|
|
<constructor name="Signal">
|
|
<return type="Signal" />
|
|
<param index="0" name="from" type="Signal" />
|
|
<description>
|
|
Constructs a [Signal] as a copy of the given [Signal].
|
|
</description>
|
|
</constructor>
|
|
<constructor name="Signal">
|
|
<return type="Signal" />
|
|
<param index="0" name="object" type="Object" />
|
|
<param index="1" name="signal" type="StringName" />
|
|
<description>
|
|
Creates a new [Signal] with the name [param signal] in the specified [param object].
|
|
</description>
|
|
</constructor>
|
|
</constructors>
|
|
<methods>
|
|
<method name="connect">
|
|
<return type="int" />
|
|
<param index="0" name="callable" type="Callable" />
|
|
<param index="1" name="flags" type="int" default="0" />
|
|
<description>
|
|
Connects this signal to the specified [Callable], optionally providing connection flags. You can provide additional arguments to the connected method call by using [method Callable.bind].
|
|
[codeblock]
|
|
for button in $Buttons.get_children():
|
|
button.pressed.connect(on_pressed.bind(button))
|
|
|
|
func on_pressed(button):
|
|
print(button.name, " was pressed")
|
|
[/codeblock]
|
|
</description>
|
|
</method>
|
|
<method name="disconnect">
|
|
<return type="void" />
|
|
<param index="0" name="callable" type="Callable" />
|
|
<description>
|
|
Disconnects this signal from the specified [Callable].
|
|
</description>
|
|
</method>
|
|
<method name="emit" qualifiers="vararg const">
|
|
<return type="void" />
|
|
<description>
|
|
Emits this signal to all connected objects.
|
|
</description>
|
|
</method>
|
|
<method name="get_connections" qualifiers="const">
|
|
<return type="Array" />
|
|
<description>
|
|
Returns the list of [Callable]s connected to this signal.
|
|
</description>
|
|
</method>
|
|
<method name="get_name" qualifiers="const">
|
|
<return type="StringName" />
|
|
<description>
|
|
Returns the name of this signal.
|
|
</description>
|
|
</method>
|
|
<method name="get_object" qualifiers="const">
|
|
<return type="Object" />
|
|
<description>
|
|
Returns the object emitting this signal.
|
|
</description>
|
|
</method>
|
|
<method name="get_object_id" qualifiers="const">
|
|
<return type="int" />
|
|
<description>
|
|
Returns the ID of the object emitting this signal (see [method Object.get_instance_id]).
|
|
</description>
|
|
</method>
|
|
<method name="is_connected" qualifiers="const">
|
|
<return type="bool" />
|
|
<param index="0" name="callable" type="Callable" />
|
|
<description>
|
|
Returns [code]true[/code] if the specified [Callable] is connected to this signal.
|
|
</description>
|
|
</method>
|
|
<method name="is_null" qualifiers="const">
|
|
<return type="bool" />
|
|
<description>
|
|
</description>
|
|
</method>
|
|
</methods>
|
|
<operators>
|
|
<operator name="operator !=">
|
|
<return type="bool" />
|
|
<param index="0" name="right" type="Signal" />
|
|
<description>
|
|
</description>
|
|
</operator>
|
|
<operator name="operator ==">
|
|
<return type="bool" />
|
|
<param index="0" name="right" type="Signal" />
|
|
<description>
|
|
</description>
|
|
</operator>
|
|
</operators>
|
|
</class>
|