[nautilus/wip/antoniof/gtk4-preparation-drop-outgoing-api: 3/49] floating-bar: Handle parent changes in GObject::notify




commit a5db6ee0b9dd22d370e612d91e14bdc4d644197a
Author: António Fernandes <antoniof gnome org>
Date:   Thu Aug 5 23:16:54 2021 +0100

    floating-bar: Handle parent changes in GObject::notify
    
    GtkWidget::parent-set is gone in GTK4.

 src/nautilus-floating-bar.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)
---
diff --git a/src/nautilus-floating-bar.c b/src/nautilus-floating-bar.c
index d6cbd2084..f65b52d7c 100644
--- a/src/nautilus-floating-bar.c
+++ b/src/nautilus-floating-bar.c
@@ -290,13 +290,14 @@ on_event_controller_motion_motion (GtkEventControllerMotion *controller,
 }
 
 static void
-nautilus_floating_bar_parent_set (GtkWidget *widget,
-                                  GtkWidget *old_parent)
+on_parent_changed (GObject    *object,
+                   GParamSpec *pspec,
+                   gpointer    user_data)
 {
-    NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (widget);
+    NautilusFloatingBar *self = NAUTILUS_FLOATING_BAR (object);
     GtkWidget *parent;
 
-    parent = gtk_widget_get_parent (widget);
+    parent = gtk_widget_get_parent (GTK_WIDGET (object));
 
 
     if (parent != NULL)
@@ -468,6 +469,11 @@ nautilus_floating_bar_init (NautilusFloatingBar *self)
 
     self->motion_controller = NULL;
     self->pointer_y_in_parent_coordinates = -1;
+
+    g_signal_connect (self,
+                      "notify::parent",
+                      G_CALLBACK (on_parent_changed),
+                      NULL);
 }
 
 static void
@@ -485,7 +491,6 @@ nautilus_floating_bar_class_init (NautilusFloatingBarClass *klass)
     wclass->get_preferred_width_for_height = nautilus_floating_bar_get_preferred_width_for_height;
     wclass->get_preferred_height = nautilus_floating_bar_get_preferred_height;
     wclass->get_preferred_height_for_width = nautilus_floating_bar_get_preferred_height_for_width;
-    wclass->parent_set = nautilus_floating_bar_parent_set;
 
     properties[PROP_PRIMARY_LABEL] =
         g_param_spec_string ("primary-label",


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