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