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Added has_signal method for Object

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This commit is contained in:
PouleyKetchoupp 2019-11-10 06:59:44 +01:00
parent 63f77efdc6
commit 258d91f883
3 changed files with 31 additions and 1 deletions
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20
core/object.cpp
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@ -1324,6 +1324,25 @@ Array Object::_get_incoming_connections() const {
return ret;
}
bool Object::has_signal(const StringName &p_name) const {
if (!script.is_null()) {
Ref<Script> scr = script;
if (scr.is_valid() && scr->has_script_signal(p_name)) {
return true;
}
}
if (ClassDB::has_signal(get_class_name(), p_name)) {
return true;
}
if (_has_user_signal(p_name)) {
return true;
}
return false;
}
void Object::get_signal_list(List<MethodInfo> *p_signals) const {
if (!script.is_null()) {
@ -1696,6 +1715,7 @@ void Object::_bind_methods() {
ClassDB::bind_method(D_METHOD("has_method", "method"), &Object::has_method);
ClassDB::bind_method(D_METHOD("has_signal", "signal"), &Object::has_signal);
ClassDB::bind_method(D_METHOD("get_signal_list"), &Object::_get_signal_list);
ClassDB::bind_method(D_METHOD("get_signal_connection_list", "signal"), &Object::_get_signal_connection_list);
ClassDB::bind_method(D_METHOD("get_incoming_connections"), &Object::_get_incoming_connections);

1
core/object.h
View file

@ -694,6 +694,7 @@ public:
void add_user_signal(const MethodInfo &p_signal);
Error emit_signal(const StringName &p_name, VARIANT_ARG_LIST);
Error emit_signal(const StringName &p_name, const Variant **p_args, int p_argcount);
bool has_signal(const StringName &p_name) const;
void get_signal_list(List<MethodInfo> *p_signals) const;
void get_signal_connection_list(const StringName &p_signal, List<Connection> *p_connections) const;
void get_all_signal_connections(List<Connection> *p_connections) const;

11
doc/classes/Object.xml
View file

@ -311,13 +311,22 @@
Returns [code]true[/code] if the object contains the given [code]method[/code].
</description>
</method>
<method name="has_signal" qualifiers="const">
<return type="bool">
</return>
<argument index="0" name="signal" type="String">
</argument>
<description>
Returns [code]true[/code] if the given [code]signal[/code] exists.
</description>
</method>
<method name="has_user_signal" qualifiers="const">
<return type="bool">
</return>
<argument index="0" name="signal" type="StringName">
</argument>
<description>
Returns [code]true[/code] if the given user-defined [code]signal[/code] exists.
Returns [code]true[/code] if the given user-defined [code]signal[/code] exists. Only signals added using [method add_user_signal] are taken into account.
</description>
</method>
<method name="is_blocking_signals" qualifiers="const">