[vala/0.48] girwriter: Output default handler of signals

[Rico Tzschichholz <ricotz src gnome org>]

commit 49f9516b862c3dd2f8a1467354c79f459e187af9
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Feb 20 20:04:08 2021 +0100

    girwriter: Output default handler of signals

 codegen/valagirwriter.vala               |  6 +++++-
 tests/girwriter/GirTest-1.0.gir-expected | 13 +++++++++++++
 tests/girwriter/girtest.vapigen-expected |  2 +-
 3 files changed, 19 insertions(+), 2 deletions(-)
---
diff --git a/codegen/valagirwriter.vala b/codegen/valagirwriter.vala
index f51eefd8e..4cc54ff13 100644
--- a/codegen/valagirwriter.vala
+++ b/codegen/valagirwriter.vala
@@ -1266,7 +1266,7 @@ public class Vala.GIRWriter : CodeVisitor {
                        tag_name = "function";
                }
 
-               if (!get_ccode_no_wrapper (m)) {
+               if (!get_ccode_no_wrapper (m) && m.signal_reference == null) {
                        write_signature (m, tag_name, true);
                }
 
@@ -1472,6 +1472,10 @@ public class Vala.GIRWriter : CodeVisitor {
                        sig.emitter.accept (this);
                }
 
+               if (sig.default_handler != null) {
+                       sig.default_handler.accept (this);
+               }
+
                write_indent ();
                buffer.append_printf ("<glib:signal name=\"%s\"", get_ccode_name (sig));
                write_symbol_attributes (sig);
diff --git a/tests/girwriter/GirTest-1.0.gir-expected b/tests/girwriter/GirTest-1.0.gir-expected
index 43142baf0..0aec09ef4 100644
--- a/tests/girwriter/GirTest-1.0.gir-expected
+++ b/tests/girwriter/GirTest-1.0.gir-expected
@@ -939,6 +939,19 @@
                                </parameter>
                        </parameters>
                </glib:signal>
+               <virtual-method name="signal_with_default_handlder" invoker="signal_with_default_handlder">
+                       <return-value transfer-ownership="full">
+                               <type name="none" c:type="void"/>
+                       </return-value>
+                       <parameters>
+                               <instance-parameter name="self" transfer-ownership="none">
+                                       <type name="GirTest.ObjectTest" c:type="GirTestObjectTest*"/>
+                               </instance-parameter>
+                               <parameter name="i1" transfer-ownership="none">
+                                       <type name="gint" c:type="gint"/>
+                               </parameter>
+                       </parameters>
+               </virtual-method>
                <glib:signal name="signal-with-default-handlder">
                        <return-value transfer-ownership="full">
                                <type name="none" c:type="void"/>
diff --git a/tests/girwriter/girtest.vapigen-expected b/tests/girwriter/girtest.vapigen-expected
index 2da95ed1a..a4ec6918a 100644
--- a/tests/girwriter/girtest.vapigen-expected
+++ b/tests/girwriter/girtest.vapigen-expected
@@ -127,7 +127,7 @@ namespace GirTest {
                public string construct_only_property { construct; }
                public string some_property { get; set construct; }
                public string write_only_property { set; }
-               public signal void signal_with_default_handlder (int i1);
+               public virtual signal void signal_with_default_handlder (int i1);
                public signal void some_signal (int param);
        }
        [CCode (cheader_filename = "girtest.h", type_id = "gir_test_sub_type_test_get_type ()")]