[gtksourceview] styleschemepreview: implement GtkActionableInterface

[Christian Hergert <chergert src gnome org>]

commit 8c9783f2baabd4db7103f97d06dd95593275870c
Author: Christian Hergert <chergert redhat com>
Date:   Mon Oct 11 17:29:05 2021 -0700

    styleschemepreview: implement GtkActionableInterface

 gtksourceview/gtksourcestyleschemepreview.c | 96 ++++++++++++++++++++++++++---
 1 file changed, 88 insertions(+), 8 deletions(-)
---
diff --git a/gtksourceview/gtksourcestyleschemepreview.c b/gtksourceview/gtksourcestyleschemepreview.c
index 4fd4fc13..0891d851 100644
--- a/gtksourceview/gtksourcestyleschemepreview.c
+++ b/gtksourceview/gtksourcestyleschemepreview.c
@@ -52,16 +52,24 @@ struct _GtkSourceStyleSchemePreview
        GtkWidget             parent_instance;
        GtkSourceStyleScheme *scheme;
        GtkImage             *image;
+       char                 *action_name;
+       GVariant             *action_target;
        guint                 selected : 1;
 };
 
-G_DEFINE_TYPE (GtkSourceStyleSchemePreview, gtk_source_style_scheme_preview, GTK_TYPE_WIDGET)
+static void actionable_iface_init (GtkActionableInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GtkSourceStyleSchemePreview, gtk_source_style_scheme_preview, GTK_TYPE_WIDGET,
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIONABLE, actionable_iface_init))
 
 enum {
        PROP_0,
        PROP_SCHEME,
        PROP_SELECTED,
-       N_PROPS
+       N_PROPS,
+
+       PROP_ACTION_NAME,
+       PROP_ACTION_TARGET,
 };
 
 enum {
@@ -120,6 +128,19 @@ load_override_font (GtkSourceView *view)
 #endif
 }
 
+static void
+gtk_source_style_scheme_preview_real_activate (GtkSourceStyleSchemePreview *self)
+{
+       g_assert (GTK_SOURCE_IS_STYLE_SCHEME_PREVIEW (self));
+
+       if (self->action_name)
+       {
+               gtk_widget_activate_action_variant (GTK_WIDGET (self),
+                                                   self->action_name,
+                                                   self->action_target);
+       }
+}
+
 static void
 on_click_pressed_cb (GtkSourceStyleSchemePreview *self,
                      int                          n_presses,
@@ -220,6 +241,9 @@ gtk_source_style_scheme_preview_dispose (GObject *object)
                gtk_widget_unparent (child);
        }
 
+       g_clear_pointer (&self->action_name, g_free);
+       g_clear_pointer (&self->action_target, g_variant_unref);
+
        G_OBJECT_CLASS (gtk_source_style_scheme_preview_parent_class)->dispose (object);
 }
 
@@ -241,6 +265,14 @@ gtk_source_style_scheme_preview_get_property (GObject    *object,
                g_value_set_boolean (value, gtk_source_style_scheme_preview_get_selected (self));
                break;
 
+       case PROP_ACTION_NAME:
+               g_value_set_string (value, self->action_name);
+               break;
+
+       case PROP_ACTION_TARGET:
+               g_value_set_variant (value, self->action_target);
+               break;
+
        default:
                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        }
@@ -264,6 +296,16 @@ gtk_source_style_scheme_preview_set_property (GObject      *object,
                gtk_source_style_scheme_preview_set_selected (self, g_value_get_boolean (value));
                break;
 
+       case PROP_ACTION_NAME:
+               g_free (self->action_name);
+               self->action_name = g_value_dup_string (value);
+               break;
+
+       case PROP_ACTION_TARGET:
+               g_clear_pointer (&self->action_target, g_variant_unref);
+               self->action_target = g_value_dup_variant (value);
+               break;
+
        default:
                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        }
@@ -280,6 +322,9 @@ gtk_source_style_scheme_preview_class_init (GtkSourceStyleSchemePreviewClass *kl
        object_class->get_property = gtk_source_style_scheme_preview_get_property;
        object_class->set_property = gtk_source_style_scheme_preview_set_property;
 
+       g_object_class_override_property (object_class, PROP_ACTION_NAME, "action-name");
+       g_object_class_override_property (object_class, PROP_ACTION_TARGET, "action-target");
+
        properties [PROP_SCHEME] =
                g_param_spec_object ("scheme",
                                     "Scheme",
@@ -296,12 +341,12 @@ gtk_source_style_scheme_preview_class_init (GtkSourceStyleSchemePreviewClass *kl
 
        g_object_class_install_properties (object_class, N_PROPS, properties);
 
-       signals [ACTIVATE] = g_signal_new ("activate",
-                                          G_TYPE_FROM_CLASS (klass),
-                                          G_SIGNAL_RUN_LAST,
-                                          0,
-                                          NULL, NULL, NULL,
-                                          G_TYPE_NONE, 0);
+       signals [ACTIVATE] = g_signal_new_class_handler ("activate",
+                                                        G_TYPE_FROM_CLASS (klass),
+                                                        G_SIGNAL_RUN_LAST,
+                                                        G_CALLBACK 
(gtk_source_style_scheme_preview_real_activate),
+                                                        NULL, NULL, NULL,
+                                                        G_TYPE_NONE, 0);
 
        gtk_widget_class_set_activate_signal (widget_class, signals [ACTIVATE]);
        gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
@@ -396,3 +441,38 @@ gtk_source_style_scheme_preview_set_selected (GtkSourceStyleSchemePreview *self,
                g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_SELECTED]);
        }
 }
+
+static const char *
+get_action_name (GtkActionable *actionable)
+{
+  return GTK_SOURCE_STYLE_SCHEME_PREVIEW (actionable)->action_name;
+}
+
+static void
+set_action_name (GtkActionable *actionable,
+                 const char    *action_name)
+{
+  g_object_set (actionable, "action-name", action_name, NULL);
+}
+
+static GVariant *
+get_action_target (GtkActionable *actionable)
+{
+  return GTK_SOURCE_STYLE_SCHEME_PREVIEW (actionable)->action_target;
+}
+
+static void
+set_action_target (GtkActionable *actionable,
+                   GVariant      *action_target)
+{
+  g_object_set (actionable, "action-target", action_target, NULL);
+}
+
+static void
+actionable_iface_init (GtkActionableInterface *iface)
+{
+  iface->get_action_name = get_action_name;
+  iface->set_action_name = set_action_name;
+  iface->get_action_target_value = get_action_target;
+  iface->set_action_target_value = set_action_target;
+}