[gtk+/wip/baedert/gtk-widget-destroy: 142/149] Stop using gtk_widget_destroy everywhere



commit fcdb5d3b12600f7098141e3591131684d51ff60d
Author: Timm Bäder <mail baedert org>
Date:   Tue Sep 26 14:41:17 2017 +0200

    Stop using gtk_widget_destroy everywhere
    
    Replace it either with gtk_container_remove, g_object_unref or
    gtk_window_destroy.

 demos/gtk-demo/application.c           |    6 +-
 demos/gtk-demo/application_demo.c      |    1 -
 demos/gtk-demo/assistant.c             |    6 +-
 demos/gtk-demo/builder.c               |    4 +-
 demos/gtk-demo/button_box.c            |    2 +-
 demos/gtk-demo/changedisplay.c         |    8 +-
 demos/gtk-demo/clipboard.c             |    2 +-
 demos/gtk-demo/colorsel.c              |    4 +-
 demos/gtk-demo/combobox.c              |    2 +-
 demos/gtk-demo/css_accordion.c         |    2 +-
 demos/gtk-demo/css_basics.c            |    2 +-
 demos/gtk-demo/css_blendmodes.c        |    2 +-
 demos/gtk-demo/css_multiplebgs.c       |    2 +-
 demos/gtk-demo/css_pixbufs.c           |    2 +-
 demos/gtk-demo/css_shadows.c           |    2 +-
 demos/gtk-demo/cursors.c               |    2 +-
 demos/gtk-demo/dialog.c                |    6 +-
 demos/gtk-demo/drawingarea.c           |    2 +-
 demos/gtk-demo/editable_cells.c        |    2 +-
 demos/gtk-demo/entry_buffer.c          |    3 +-
 demos/gtk-demo/entry_completion.c      |    2 +-
 demos/gtk-demo/event_axes.c            |    2 +-
 demos/gtk-demo/expander.c              |    4 +-
 demos/gtk-demo/filtermodel.c           |    2 +-
 demos/gtk-demo/fishbowl.c              |    2 +-
 demos/gtk-demo/flowbox.c               |    2 +-
 demos/gtk-demo/font_features.c         |    2 +-
 demos/gtk-demo/foreigndrawing.c        |    2 +-
 demos/gtk-demo/gestures.c              |    2 +-
 demos/gtk-demo/glarea.c                |    4 +-
 demos/gtk-demo/headerbar.c             |    2 +-
 demos/gtk-demo/hypertext.c             |    2 +-
 demos/gtk-demo/iconview.c              |    4 +-
 demos/gtk-demo/iconview_edit.c         |    2 +-
 demos/gtk-demo/images.c                |   12 +-
 demos/gtk-demo/infobar.c               |    4 +-
 demos/gtk-demo/links.c                 |    4 +-
 demos/gtk-demo/list_store.c            |    2 +-
 demos/gtk-demo/listbox.c               |    2 +-
 demos/gtk-demo/main.c                  |    2 +-
 demos/gtk-demo/markup.c                |    2 +-
 demos/gtk-demo/menus.c                 |    4 +-
 demos/gtk-demo/modelbutton.c           |    2 +-
 demos/gtk-demo/overlay.c               |    2 +-
 demos/gtk-demo/overlay2.c              |    2 +-
 demos/gtk-demo/pagesetup.c             |    4 +-
 demos/gtk-demo/panes.c                 |    2 +-
 demos/gtk-demo/pickers.c               |    2 +-
 demos/gtk-demo/pixbufs.c               |    4 +-
 demos/gtk-demo/popover.c               |    4 +-
 demos/gtk-demo/printing.c              |    2 +-
 demos/gtk-demo/revealer.c              |    2 +-
 demos/gtk-demo/rotated_text.c          |    2 +-
 demos/gtk-demo/scale.c                 |    2 +-
 demos/gtk-demo/search_entry.c          |    4 +-
 demos/gtk-demo/search_entry2.c         |    2 +-
 demos/gtk-demo/shortcuts.c             |    2 +-
 demos/gtk-demo/sidebar.c               |    2 +-
 demos/gtk-demo/sizegroup.c             |    2 +-
 demos/gtk-demo/spinbutton.c            |    2 +-
 demos/gtk-demo/spinner.c               |    4 +-
 demos/gtk-demo/stack.c                 |    2 +-
 demos/gtk-demo/tabs.c                  |    2 +-
 demos/gtk-demo/textmask.c              |    2 +-
 demos/gtk-demo/textscroll.c            |    2 +-
 demos/gtk-demo/textview.c              |    2 +-
 demos/gtk-demo/theming_style_classes.c |    2 +-
 demos/gtk-demo/toolpalette.c           |    2 +-
 demos/gtk-demo/transparent.c           |    2 +-
 demos/gtk-demo/tree_store.c            |    2 +-
 demos/gtk-demo/widgetbowl.c            |    2 +-
 demos/widget-factory/widget-factory.c  |    2 +-
 docs/tools/shooter.c                   |    2 +-
 examples/action-namespace.c            |    2 +-
 examples/bp/bloatpad.c                 |    2 +-
 examples/grid-packing.c                |    2 +-
 examples/hello-world.c                 |    2 +-
 examples/plugman.c                     |    4 +-
 examples/sunny.c                       |    2 +-
 gtk/gtkbuilder.c                       |    4 +-
 gtk/gtkdnd.c                           |    8 +-
 gtk/gtkwidget.c                        |    2 +-
 gtk/inspector/recorder.c               |    2 +-
 modules/input/gtkimcontextxim.c        |    2 +-
 tests/gdkgears.c                       |    2 +-
 tests/print-editor.c                   |   12 +-
 tests/stresstest-toolbar.c             |    2 +-
 tests/testanimation.c                  |    8 +-
 tests/testappchooser.c                 |    4 +-
 tests/testassistant.c                  |   14 +-
 tests/testcombo.c                      |   12 ++-
 tests/testdialog.c                     |   26 ++--
 tests/testdnd2.c                       |    4 +-
 tests/testfilechooser.c                |   10 +-
 tests/testglarea.c                     |    2 +-
 tests/testgtk.c                        |  195 ++++++++++++++++----------------
 tests/testheaderbar.c                  |    4 +-
 tests/testheightforwidth.c             |    4 +-
 tests/testinput.c                      |    2 +-
 tests/testlist2.c                      |    2 +-
 tests/testlogout.c                     |    2 +-
 tests/testmultidisplay.c               |    2 +-
 tests/testrecentchooser.c              |    5 +-
 tests/testrecentchoosermenu.c          |    2 +-
 tests/testrevealer.c                   |    2 +-
 tests/testselection.c                  |    2 +-
 tests/teststack.c                      |    2 +-
 tests/testthreads.c                    |    2 +-
 tests/testvolumebutton.c               |    2 +-
 tests/testwindowsize.c                 |    2 +-
 tests/testxinerama.c                   |    2 +-
 testsuite/a11y/accessibility-dump.c    |    2 +-
 testsuite/a11y/misc.c                  |    6 +-
 testsuite/a11y/state/state-record.c    |    3 +-
 testsuite/gtk/builder.c                |   66 ++++++------
 testsuite/gtk/displayclose.c           |    4 +-
 testsuite/gtk/filtermodel.c            |  131 +++++++++++++++-------
 testsuite/gtk/focus.c                  |    2 +-
 testsuite/gtk/gestures.c               |   30 +++---
 testsuite/gtk/modelrefcount.c          |   36 ++++--
 testsuite/gtk/object.c                 |    1 -
 testsuite/gtk/objects-finalize.c       |    2 +-
 testsuite/gtk/regression-tests.c       |    4 +-
 testsuite/gtk/sortmodel.c              |   33 ++++--
 testsuite/gtk/templates.c              |   65 +++++++----
 testsuite/gtk/treeview.c               |   18 ++-
 testsuite/gtk/window.c                 |   12 +-
 testsuite/reftests/reftest-snapshot.c  |    3 +-
 128 files changed, 538 insertions(+), 440 deletions(-)
---
diff --git a/demos/gtk-demo/application.c b/demos/gtk-demo/application.c
index 732c376..430e2e5 100644
--- a/demos/gtk-demo/application.c
+++ b/demos/gtk-demo/application.c
@@ -45,7 +45,7 @@ show_action_dialog (GSimpleAction *action)
                                     name);
 
   g_signal_connect (dialog, "response",
-                    G_CALLBACK (gtk_widget_destroy), NULL);
+                    G_CALLBACK (gtk_window_destroy), NULL);
 
   gtk_widget_show (dialog);
 }
@@ -118,7 +118,7 @@ open_response_cb (GtkNativeDialog *dialog,
                                                    "Error loading file: \"%s\"",
                                                    error->message);
           g_signal_connect (message_dialog, "response",
-                            G_CALLBACK (gtk_widget_destroy), NULL);
+                            G_CALLBACK (gtk_window_destroy), NULL);
           gtk_widget_show (message_dialog);
           g_error_free (error);
         }
@@ -232,7 +232,7 @@ activate_quit (GSimpleAction *action,
       win = list->data;
       next = list->next;
 
-      gtk_widget_destroy (GTK_WIDGET (win));
+      gtk_window_destroy (GTK_WINDOW (win));
 
       list = next;
     }
diff --git a/demos/gtk-demo/application_demo.c b/demos/gtk-demo/application_demo.c
index d2eb69f..9419d83 100644
--- a/demos/gtk-demo/application_demo.c
+++ b/demos/gtk-demo/application_demo.c
@@ -33,7 +33,6 @@ on_name_vanished (GDBusConnection *connection,
 
   if (placeholder)
     {
-      gtk_widget_destroy (placeholder);
       g_object_unref (placeholder);
       placeholder = NULL;
     }
diff --git a/demos/gtk-demo/assistant.c b/demos/gtk-demo/assistant.c
index c39d0b2..1ae0935 100644
--- a/demos/gtk-demo/assistant.c
+++ b/demos/gtk-demo/assistant.c
@@ -27,7 +27,7 @@ apply_changes_gradually (gpointer data)
   else
     {
       /* Close automatically once changes are fully applied. */
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
       return G_SOURCE_REMOVE;
     }
@@ -45,7 +45,7 @@ on_assistant_close_cancel (GtkWidget *widget, gpointer data)
 {
   GtkWidget **assistant = (GtkWidget **) data;
 
-  gtk_widget_destroy (*assistant);
+  gtk_window_destroy (GTK_WINDOW (*assistant));
   *assistant = NULL;
 }
 
@@ -192,7 +192,7 @@ do_assistant (GtkWidget *do_widget)
     gtk_widget_show (assistant);
   else
     {
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
     }
 
diff --git a/demos/gtk-demo/builder.c b/demos/gtk-demo/builder.c
index c6fec17..d0c6c8a 100644
--- a/demos/gtk-demo/builder.c
+++ b/demos/gtk-demo/builder.c
@@ -12,7 +12,7 @@ quit_activate (GSimpleAction *action,
 {
   GtkWidget *window = user_data;
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -118,7 +118,7 @@ do_builder (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/button_box.c b/demos/gtk-demo/button_box.c
index b2000a2..00a0a6c 100644
--- a/demos/gtk-demo/button_box.c
+++ b/demos/gtk-demo/button_box.c
@@ -121,7 +121,7 @@ do_button_box (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/changedisplay.c b/demos/gtk-demo/changedisplay.c
index baa3b36..a3473cd 100644
--- a/demos/gtk-demo/changedisplay.c
+++ b/demos/gtk-demo/changedisplay.c
@@ -150,7 +150,7 @@ query_for_toplevel (GdkScreen  *screen,
     }
 
   g_object_unref (cursor);
-  gtk_widget_destroy (popup);
+  gtk_window_destroy (GTK_WINDOW (popup));
   gdk_flush ();                 /* Really release the grab */
 
   return toplevel;
@@ -187,7 +187,7 @@ response_cb (GtkDialog         *dialog,
   if (response_id == GTK_RESPONSE_OK)
     query_change_display (info);
   else
-    gtk_widget_destroy (GTK_WIDGET (dialog));
+    gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 /* Called when the user clicks on "Open..." in the display
@@ -250,7 +250,7 @@ open_display_cb (GtkWidget         *button,
         }
     }
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 /* Called when the user clicks on the "Close" button in the
@@ -551,7 +551,7 @@ do_changedisplay (GtkWidget *do_widget)
     }
   else
     {
-      gtk_widget_destroy (info->window);
+      gtk_window_destroy (GTK_WINDOW (info->window));
       return NULL;
     }
 }
diff --git a/demos/gtk-demo/clipboard.c b/demos/gtk-demo/clipboard.c
index b3b8e60..aa6266e 100644
--- a/demos/gtk-demo/clipboard.c
+++ b/demos/gtk-demo/clipboard.c
@@ -324,7 +324,7 @@ do_clipboard (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/colorsel.c b/demos/gtk-demo/colorsel.c
index bf396dc..37b27aa 100644
--- a/demos/gtk-demo/colorsel.c
+++ b/demos/gtk-demo/colorsel.c
@@ -37,7 +37,7 @@ response_cb (GtkDialog *dialog,
       gtk_widget_queue_draw (da);
     }
 
-  gtk_widget_destroy (GTK_WIDGET (dialog));
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -110,7 +110,7 @@ do_colorsel (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/combobox.c b/demos/gtk-demo/combobox.c
index bead7d0..2a476d2 100644
--- a/demos/gtk-demo/combobox.c
+++ b/demos/gtk-demo/combobox.c
@@ -435,7 +435,7 @@ do_combobox (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/css_accordion.c b/demos/gtk-demo/css_accordion.c
index 40c664f..2cb6a64 100644
--- a/demos/gtk-demo/css_accordion.c
+++ b/demos/gtk-demo/css_accordion.c
@@ -63,7 +63,7 @@ do_css_accordion (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/css_basics.c b/demos/gtk-demo/css_basics.c
index 8ac7eb9..c807267 100644
--- a/demos/gtk-demo/css_basics.c
+++ b/demos/gtk-demo/css_basics.c
@@ -112,7 +112,7 @@ do_css_basics (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/css_blendmodes.c b/demos/gtk-demo/css_blendmodes.c
index 9965bf6..3dda7a4 100644
--- a/demos/gtk-demo/css_blendmodes.c
+++ b/demos/gtk-demo/css_blendmodes.c
@@ -140,7 +140,7 @@ do_css_blendmodes (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/css_multiplebgs.c b/demos/gtk-demo/css_multiplebgs.c
index 920109c..6c8ba67 100644
--- a/demos/gtk-demo/css_multiplebgs.c
+++ b/demos/gtk-demo/css_multiplebgs.c
@@ -151,7 +151,7 @@ do_css_multiplebgs (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/css_pixbufs.c b/demos/gtk-demo/css_pixbufs.c
index 1309094..7baca8c 100644
--- a/demos/gtk-demo/css_pixbufs.c
+++ b/demos/gtk-demo/css_pixbufs.c
@@ -118,7 +118,7 @@ do_css_pixbufs (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/css_shadows.c b/demos/gtk-demo/css_shadows.c
index bbc6e5f..df389c4 100644
--- a/demos/gtk-demo/css_shadows.c
+++ b/demos/gtk-demo/css_shadows.c
@@ -140,7 +140,7 @@ do_css_shadows (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/cursors.c b/demos/gtk-demo/cursors.c
index b9f48d9..57af5ac 100644
--- a/demos/gtk-demo/cursors.c
+++ b/demos/gtk-demo/cursors.c
@@ -154,7 +154,7 @@ do_cursors (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
 
   return window;
diff --git a/demos/gtk-demo/dialog.c b/demos/gtk-demo/dialog.c
index e9d0b5c..c0670ce 100644
--- a/demos/gtk-demo/dialog.c
+++ b/demos/gtk-demo/dialog.c
@@ -26,7 +26,7 @@ message_dialog_clicked (GtkButton *button,
   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
                                             "%d", i);
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
   i++;
 }
 
@@ -88,7 +88,7 @@ interactive_dialog_clicked (GtkButton *button,
       gtk_entry_set_text (GTK_ENTRY (entry2), gtk_entry_get_text (GTK_ENTRY (local_entry2)));
     }
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 GtkWidget *
@@ -163,7 +163,7 @@ do_dialog (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/drawingarea.c b/demos/gtk-demo/drawingarea.c
index 8582ee5..96e3274 100644
--- a/demos/gtk-demo/drawingarea.c
+++ b/demos/gtk-demo/drawingarea.c
@@ -259,7 +259,7 @@ do_drawingarea (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
       gtk_widget_show (window);
   else
-      gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/editable_cells.c b/demos/gtk-demo/editable_cells.c
index 1fd6892..dfbdafa 100644
--- a/demos/gtk-demo/editable_cells.c
+++ b/demos/gtk-demo/editable_cells.c
@@ -405,7 +405,7 @@ do_editable_cells (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/entry_buffer.c b/demos/gtk-demo/entry_buffer.c
index 5fbd4e0..1eec149 100644
--- a/demos/gtk-demo/entry_buffer.c
+++ b/demos/gtk-demo/entry_buffer.c
@@ -54,7 +54,8 @@ do_entry_buffer (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
+
 
   return window;
 }
diff --git a/demos/gtk-demo/entry_completion.c b/demos/gtk-demo/entry_completion.c
index b9a8183..f17cde8 100644
--- a/demos/gtk-demo/entry_completion.c
+++ b/demos/gtk-demo/entry_completion.c
@@ -85,7 +85,7 @@ do_entry_completion (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/event_axes.c b/demos/gtk-demo/event_axes.c
index 88d248f..171e30f 100644
--- a/demos/gtk-demo/event_axes.c
+++ b/demos/gtk-demo/event_axes.c
@@ -662,7 +662,7 @@ do_event_axes (GtkWidget *toplevel)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/expander.c b/demos/gtk-demo/expander.c
index fb48210..6f1d149 100644
--- a/demos/gtk-demo/expander.c
+++ b/demos/gtk-demo/expander.c
@@ -15,7 +15,7 @@ static GtkWidget *window = NULL;
 static void
 response_cb (GtkDialog *dialog, gint response_id)
 {
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
   window = NULL;
 }
 
@@ -83,7 +83,7 @@ do_expander (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/filtermodel.c b/demos/gtk-demo/filtermodel.c
index bbaa1e0..9f94546 100644
--- a/demos/gtk-demo/filtermodel.c
+++ b/demos/gtk-demo/filtermodel.c
@@ -200,7 +200,7 @@ do_filtermodel (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/fishbowl.c b/demos/gtk-demo/fishbowl.c
index 4d87655..2121a57 100644
--- a/demos/gtk-demo/fishbowl.c
+++ b/demos/gtk-demo/fishbowl.c
@@ -172,7 +172,7 @@ do_fishbowl (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
 
   return window;
diff --git a/demos/gtk-demo/flowbox.c b/demos/gtk-demo/flowbox.c
index 21cd388..a2fbe8a 100644
--- a/demos/gtk-demo/flowbox.c
+++ b/demos/gtk-demo/flowbox.c
@@ -745,7 +745,7 @@ do_flowbox (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/font_features.c b/demos/gtk-demo/font_features.c
index b75508f..4ef0e31 100644
--- a/demos/gtk-demo/font_features.c
+++ b/demos/gtk-demo/font_features.c
@@ -524,7 +524,7 @@ do_font_features (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_window_present (GTK_WINDOW (window));
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/foreigndrawing.c b/demos/gtk-demo/foreigndrawing.c
index 716f61f..6210bd5 100644
--- a/demos/gtk-demo/foreigndrawing.c
+++ b/demos/gtk-demo/foreigndrawing.c
@@ -979,7 +979,7 @@ do_foreigndrawing (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/gestures.c b/demos/gtk-demo/gestures.c
index 67d1e10..d71ca08 100644
--- a/demos/gtk-demo/gestures.c
+++ b/demos/gtk-demo/gestures.c
@@ -207,7 +207,7 @@ do_gestures (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/glarea.c b/demos/gtk-demo/glarea.c
index 68b1a96..11fb4bd 100644
--- a/demos/gtk-demo/glarea.c
+++ b/demos/gtk-demo/glarea.c
@@ -424,7 +424,7 @@ create_glarea_window (GtkWidget *do_widget)
   button = gtk_button_new_with_label ("Quit");
   gtk_widget_set_hexpand (button, TRUE);
   gtk_container_add (GTK_CONTAINER (box), button);
-  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
+  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_window_destroy), window);
 
   return window;
 }
@@ -438,7 +438,7 @@ do_glarea (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (demo_window))
     gtk_widget_show (demo_window);
   else
-    gtk_widget_destroy (demo_window);
+    gtk_window_destroy (GTK_WINDOW (demo_window));
 
   return demo_window;
 }
diff --git a/demos/gtk-demo/headerbar.c b/demos/gtk-demo/headerbar.c
index ca5ce43..3ccc9f2 100644
--- a/demos/gtk-demo/headerbar.c
+++ b/demos/gtk-demo/headerbar.c
@@ -60,7 +60,7 @@ do_headerbar (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/hypertext.c b/demos/gtk-demo/hypertext.c
index 4de7ed9..65c3b5e 100644
--- a/demos/gtk-demo/hypertext.c
+++ b/demos/gtk-demo/hypertext.c
@@ -295,7 +295,7 @@ do_hypertext (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/iconview.c b/demos/gtk-demo/iconview.c
index 5303d13..10916cd 100644
--- a/demos/gtk-demo/iconview.c
+++ b/demos/gtk-demo/iconview.c
@@ -228,7 +228,7 @@ home_clicked (GtkToolItem *item,
 
 static void close_window(void)
 {
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
   window = NULL;
 
   g_object_unref (file_pixbuf);
@@ -329,7 +329,7 @@ do_iconview (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/iconview_edit.c b/demos/gtk-demo/iconview_edit.c
index 5fc5575..69e645e 100644
--- a/demos/gtk-demo/iconview_edit.c
+++ b/demos/gtk-demo/iconview_edit.c
@@ -152,7 +152,7 @@ do_iconview_edit (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/images.c b/demos/gtk-demo/images.c
index c80f5f2..d2af9f8 100644
--- a/demos/gtk-demo/images.c
+++ b/demos/gtk-demo/images.c
@@ -100,7 +100,7 @@ progressive_timeout (gpointer data)
           g_error_free (error);
 
           g_signal_connect (dialog, "response",
-                            G_CALLBACK (gtk_widget_destroy), NULL);
+                            G_CALLBACK (gtk_window_destroy), NULL);
 
           g_object_unref (image_stream);
           image_stream = NULL;
@@ -128,7 +128,7 @@ progressive_timeout (gpointer data)
           g_error_free (error);
 
           g_signal_connect (dialog, "response",
-                            G_CALLBACK (gtk_widget_destroy), NULL);
+                            G_CALLBACK (gtk_window_destroy), NULL);
 
           g_object_unref (image_stream);
           image_stream = NULL;
@@ -161,7 +161,7 @@ progressive_timeout (gpointer data)
               g_error_free (error);
 
               g_signal_connect (dialog, "response",
-                                G_CALLBACK (gtk_widget_destroy), NULL);
+                                G_CALLBACK (gtk_window_destroy), NULL);
 
               gtk_widget_show (dialog);
 
@@ -198,7 +198,7 @@ progressive_timeout (gpointer data)
               g_error_free (error);
 
               g_signal_connect (dialog, "response",
-                                G_CALLBACK (gtk_widget_destroy), NULL);
+                                G_CALLBACK (gtk_window_destroy), NULL);
 
               gtk_widget_show (dialog);
 
@@ -232,7 +232,7 @@ progressive_timeout (gpointer data)
           g_error_free (error);
 
           g_signal_connect (dialog, "response",
-                            G_CALLBACK (gtk_widget_destroy), NULL);
+                            G_CALLBACK (gtk_window_destroy), NULL);
 
           gtk_widget_show (dialog);
 
@@ -436,7 +436,7 @@ do_images (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/infobar.c b/demos/gtk-demo/infobar.c
index 630e3fe..fbaa58b 100644
--- a/demos/gtk-demo/infobar.c
+++ b/demos/gtk-demo/infobar.c
@@ -31,7 +31,7 @@ on_bar_response (GtkInfoBar *info_bar,
 
   g_signal_connect_swapped (dialog,
                             "response",
-                            G_CALLBACK (gtk_widget_destroy),
+                            G_CALLBACK (gtk_window_destroy),
                             dialog);
 
   gtk_widget_show (dialog);
@@ -146,7 +146,7 @@ do_infobar (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/links.c b/demos/gtk-demo/links.c
index dcd7ba5..78565d5 100644
--- a/demos/gtk-demo/links.c
+++ b/demos/gtk-demo/links.c
@@ -12,7 +12,7 @@ response_cb (GtkWidget *dialog,
              gint       response_id,
              gpointer   data)
 {
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static gboolean
@@ -78,7 +78,7 @@ do_links (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/list_store.c b/demos/gtk-demo/list_store.c
index 9422e4d..398da44 100644
--- a/demos/gtk-demo/list_store.c
+++ b/demos/gtk-demo/list_store.c
@@ -310,7 +310,7 @@ do_list_store (GtkWidget *do_widget)
     }
   else
     {
-      gtk_widget_destroy (window);
+      gtk_window_destroy (GTK_WINDOW (window));
       window = NULL;
       if (timeout != 0)
         {
diff --git a/demos/gtk-demo/listbox.c b/demos/gtk-demo/listbox.c
index fbce986..c8944d2 100644
--- a/demos/gtk-demo/listbox.c
+++ b/demos/gtk-demo/listbox.c
@@ -389,7 +389,7 @@ do_listbox (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index 820f1db..2f55416 100644
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -78,7 +78,7 @@ activate_quit (GSimpleAction *action,
       win = list->data;
       next = list->next;
 
-      gtk_widget_destroy (GTK_WIDGET (win));
+      gtk_window_destroy (GTK_WINDOW (win));
 
       list = next;
     }
diff --git a/demos/gtk-demo/markup.c b/demos/gtk-demo/markup.c
index 859bbfd..64966f5 100644
--- a/demos/gtk-demo/markup.c
+++ b/demos/gtk-demo/markup.c
@@ -120,7 +120,7 @@ do_markup (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/menus.c b/demos/gtk-demo/menus.c
index 32b64cf..fb5e264 100644
--- a/demos/gtk-demo/menus.c
+++ b/demos/gtk-demo/menus.c
@@ -147,7 +147,7 @@ do_menus (GtkWidget *do_widget)
 
       button = gtk_button_new_with_label ("Close");
       g_signal_connect_swapped (button, "clicked",
-                                G_CALLBACK(gtk_widget_destroy), window);
+                                G_CALLBACK(gtk_window_destroy), window);
       gtk_box_pack_start (GTK_BOX (box2), button);
       gtk_widget_set_can_default (button, TRUE);
       gtk_widget_grab_default (button);
@@ -157,7 +157,7 @@ do_menus (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/modelbutton.c b/demos/gtk-demo/modelbutton.c
index 045a911..783a570 100644
--- a/demos/gtk-demo/modelbutton.c
+++ b/demos/gtk-demo/modelbutton.c
@@ -61,7 +61,7 @@ do_modelbutton (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
 
   return window;
diff --git a/demos/gtk-demo/overlay.c b/demos/gtk-demo/overlay.c
index 3e8223f..9a1b2e1 100644
--- a/demos/gtk-demo/overlay.c
+++ b/demos/gtk-demo/overlay.c
@@ -85,7 +85,7 @@ do_overlay (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/overlay2.c b/demos/gtk-demo/overlay2.c
index eeef1b6..0feaf6e 100644
--- a/demos/gtk-demo/overlay2.c
+++ b/demos/gtk-demo/overlay2.c
@@ -97,7 +97,7 @@ do_overlay2 (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/pagesetup.c b/demos/gtk-demo/pagesetup.c
index f169bae..526b2ac 100644
--- a/demos/gtk-demo/pagesetup.c
+++ b/demos/gtk-demo/pagesetup.c
@@ -11,7 +11,7 @@
 static void
 done_cb (GtkDialog *dialog, gint response, gpointer data)
 {
-  gtk_widget_destroy (GTK_WIDGET (dialog));
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 GtkWidget *
@@ -29,7 +29,7 @@ do_pagesetup (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/panes.c b/demos/gtk-demo/panes.c
index 4f6501c..81e3d74 100644
--- a/demos/gtk-demo/panes.c
+++ b/demos/gtk-demo/panes.c
@@ -189,7 +189,7 @@ do_panes (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/pickers.c b/demos/gtk-demo/pickers.c
index c096169..8cff9b1 100644
--- a/demos/gtk-demo/pickers.c
+++ b/demos/gtk-demo/pickers.c
@@ -75,7 +75,7 @@ do_pickers (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/pixbufs.c b/demos/gtk-demo/pixbufs.c
index 4f7f4b5..6e5a3ac 100644
--- a/demos/gtk-demo/pixbufs.c
+++ b/demos/gtk-demo/pixbufs.c
@@ -198,7 +198,7 @@ do_pixbufs (GtkWidget *do_widget)
           g_error_free (error);
 
           g_signal_connect (dialog, "response",
-                            G_CALLBACK (gtk_widget_destroy), NULL);
+                            G_CALLBACK (gtk_window_destroy), NULL);
 
           gtk_widget_show (dialog);
         }
@@ -222,7 +222,7 @@ do_pixbufs (GtkWidget *do_widget)
     gtk_widget_show (window);
   else
     {
-      gtk_widget_destroy (window);
+      gtk_window_destroy (GTK_WINDOW (window));
       g_object_unref (frame);
     }
 
diff --git a/demos/gtk-demo/popover.c b/demos/gtk-demo/popover.c
index 8b48542..a645148 100644
--- a/demos/gtk-demo/popover.c
+++ b/demos/gtk-demo/popover.c
@@ -45,7 +45,7 @@ create_complex_popover (GtkWidget       *parent,
   g_object_ref (content);
   gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (content)),
                         content);
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
 
   popover = create_popover (parent, content, GTK_POS_BOTTOM);
@@ -174,7 +174,7 @@ do_popover (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/printing.c b/demos/gtk-demo/printing.c
index 4604311..bca12a0 100644
--- a/demos/gtk-demo/printing.c
+++ b/demos/gtk-demo/printing.c
@@ -188,7 +188,7 @@ do_printing (GtkWidget *do_widget)
       g_error_free (error);
 
       g_signal_connect (dialog, "response",
-                        G_CALLBACK (gtk_widget_destroy), NULL);
+                        G_CALLBACK (gtk_window_destroy), NULL);
 
       gtk_widget_show (dialog);
     }
diff --git a/demos/gtk-demo/revealer.c b/demos/gtk-demo/revealer.c
index 811359e..8297996 100644
--- a/demos/gtk-demo/revealer.c
+++ b/demos/gtk-demo/revealer.c
@@ -86,7 +86,7 @@ do_revealer (GtkWidget *do_widget)
     }
   else
     {
-      gtk_widget_destroy (window);
+      gtk_window_destroy (GTK_WINDOW (window));
     }
 
 
diff --git a/demos/gtk-demo/rotated_text.c b/demos/gtk-demo/rotated_text.c
index b39143a..a9ab689 100644
--- a/demos/gtk-demo/rotated_text.c
+++ b/demos/gtk-demo/rotated_text.c
@@ -217,7 +217,7 @@ do_rotated_text (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/scale.c b/demos/gtk-demo/scale.c
index 717ba5b..281513b 100644
--- a/demos/gtk-demo/scale.c
+++ b/demos/gtk-demo/scale.c
@@ -31,7 +31,7 @@ do_scale (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
 
   return window;
diff --git a/demos/gtk-demo/search_entry.c b/demos/gtk-demo/search_entry.c
index 27a777c..67bf25a 100644
--- a/demos/gtk-demo/search_entry.c
+++ b/demos/gtk-demo/search_entry.c
@@ -291,8 +291,8 @@ do_search_entry (GtkWidget *do_widget)
     gtk_widget_show (window);
   else
     {
-      gtk_widget_destroy (menu);
-      gtk_widget_destroy (window);
+      gtk_menu_detach (GTK_MENU (menu));
+      gtk_window_destroy (GTK_WINDOW (window));
     }
 
   return window;
diff --git a/demos/gtk-demo/search_entry2.c b/demos/gtk-demo/search_entry2.c
index 29080a0..75221f9 100644
--- a/demos/gtk-demo/search_entry2.c
+++ b/demos/gtk-demo/search_entry2.c
@@ -154,7 +154,7 @@ do_search_entry2 (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/shortcuts.c b/demos/gtk-demo/shortcuts.c
index c3a3483..fa42497 100644
--- a/demos/gtk-demo/shortcuts.c
+++ b/demos/gtk-demo/shortcuts.c
@@ -108,7 +108,7 @@ do_shortcuts (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/sidebar.c b/demos/gtk-demo/sidebar.c
index 27e8494..f18e439 100644
--- a/demos/gtk-demo/sidebar.c
+++ b/demos/gtk-demo/sidebar.c
@@ -82,7 +82,7 @@ do_sidebar (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/sizegroup.c b/demos/gtk-demo/sizegroup.c
index d1eb4a0..170b44a 100644
--- a/demos/gtk-demo/sizegroup.c
+++ b/demos/gtk-demo/sizegroup.c
@@ -152,7 +152,7 @@ do_sizegroup (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/spinbutton.c b/demos/gtk-demo/spinbutton.c
index 4386646..286fb5b 100644
--- a/demos/gtk-demo/spinbutton.c
+++ b/demos/gtk-demo/spinbutton.c
@@ -247,7 +247,7 @@ do_spinbutton (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/spinner.c b/demos/gtk-demo/spinner.c
index b0cce83..c8a4f3b 100644
--- a/demos/gtk-demo/spinner.c
+++ b/demos/gtk-demo/spinner.c
@@ -45,7 +45,7 @@ do_spinner (GtkWidget *do_widget)
     gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
 
     g_signal_connect (window, "response",
-                      G_CALLBACK (gtk_widget_destroy), NULL);
+                      G_CALLBACK (gtk_window_destroy), NULL);
     g_signal_connect (window, "destroy",
                       G_CALLBACK (gtk_widget_destroyed), &window);
 
@@ -90,7 +90,7 @@ do_spinner (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/stack.c b/demos/gtk-demo/stack.c
index a99e084..98d7d7d 100644
--- a/demos/gtk-demo/stack.c
+++ b/demos/gtk-demo/stack.c
@@ -31,7 +31,7 @@ do_stack (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
 
   return window;
diff --git a/demos/gtk-demo/tabs.c b/demos/gtk-demo/tabs.c
index 0361ac3..4f60c27 100644
--- a/demos/gtk-demo/tabs.c
+++ b/demos/gtk-demo/tabs.c
@@ -53,7 +53,7 @@ do_tabs (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/textmask.c b/demos/gtk-demo/textmask.c
index 0bc18aa..93329ef 100644
--- a/demos/gtk-demo/textmask.c
+++ b/demos/gtk-demo/textmask.c
@@ -76,7 +76,7 @@ do_textmask (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/textscroll.c b/demos/gtk-demo/textscroll.c
index f6cfc53..fac4380 100644
--- a/demos/gtk-demo/textscroll.c
+++ b/demos/gtk-demo/textscroll.c
@@ -197,7 +197,7 @@ do_textscroll (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/textview.c b/demos/gtk-demo/textview.c
index 49cba65..3dab8ea 100644
--- a/demos/gtk-demo/textview.c
+++ b/demos/gtk-demo/textview.c
@@ -521,7 +521,7 @@ do_textview (GtkWidget *do_widget)
     }
   else
     {
-      gtk_widget_destroy (window);
+      gtk_window_destroy (GTK_WINDOW (window));
       window = NULL;
     }
 
diff --git a/demos/gtk-demo/theming_style_classes.c b/demos/gtk-demo/theming_style_classes.c
index 0580c01..5c1a04f 100644
--- a/demos/gtk-demo/theming_style_classes.c
+++ b/demos/gtk-demo/theming_style_classes.c
@@ -38,7 +38,7 @@ do_theming_style_classes (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/toolpalette.c b/demos/gtk-demo/toolpalette.c
index f696528..245b148 100644
--- a/demos/gtk-demo/toolpalette.c
+++ b/demos/gtk-demo/toolpalette.c
@@ -623,7 +623,7 @@ do_toolpalette (GtkWidget *do_widget)
     }
   else
     {
-      gtk_widget_destroy (window);
+      gtk_window_destroy (GTK_WINDOW (window));
       window = NULL;
     }
 
diff --git a/demos/gtk-demo/transparent.c b/demos/gtk-demo/transparent.c
index 5d87dba..687a06b 100644
--- a/demos/gtk-demo/transparent.c
+++ b/demos/gtk-demo/transparent.c
@@ -70,7 +70,7 @@ do_transparent (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/tree_store.c b/demos/gtk-demo/tree_store.c
index a3f1738..d938ead 100644
--- a/demos/gtk-demo/tree_store.c
+++ b/demos/gtk-demo/tree_store.c
@@ -435,7 +435,7 @@ do_tree_store (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
   return window;
 }
diff --git a/demos/gtk-demo/widgetbowl.c b/demos/gtk-demo/widgetbowl.c
index 074e00a..a28729b 100644
--- a/demos/gtk-demo/widgetbowl.c
+++ b/demos/gtk-demo/widgetbowl.c
@@ -172,7 +172,7 @@ do_widgetbowl (GtkWidget *do_widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 
 
   return window;
diff --git a/demos/widget-factory/widget-factory.c b/demos/widget-factory/widget-factory.c
index 5c80cab..81d24fe 100644
--- a/demos/widget-factory/widget-factory.c
+++ b/demos/widget-factory/widget-factory.c
@@ -256,7 +256,7 @@ activate_quit (GSimpleAction *action,
       win = list->data;
       next = list->next;
 
-      gtk_widget_destroy (GTK_WIDGET (win));
+      gtk_window_destroy (GTK_WINDOW (win));
 
       list = next;
     }
diff --git a/docs/tools/shooter.c b/docs/tools/shooter.c
index d61eb39..67f6ae0 100644
--- a/docs/tools/shooter.c
+++ b/docs/tools/shooter.c
@@ -252,7 +252,7 @@ shoot_one (WidgetInfo *info)
     {
       g_warning ("unable to save shot of %s", info->name);
     }
-  gtk_widget_destroy (info->window);
+  gtk_window_destroy (GTK_WINDOW (info->window));
 
   shot_id = 0;
 
diff --git a/examples/action-namespace.c b/examples/action-namespace.c
index da18e78..9e025cd 100644
--- a/examples/action-namespace.c
+++ b/examples/action-namespace.c
@@ -16,7 +16,7 @@ action_activated (GSimpleAction *action,
                                    g_action_get_name (G_ACTION (action)));
 
   g_signal_connect_swapped (dialog, "response",
-                            G_CALLBACK (gtk_widget_destroy), dialog);
+                            G_CALLBACK (gtk_window_destroy), dialog);
 
   gtk_widget_show (dialog);
 }
diff --git a/examples/bp/bloatpad.c b/examples/bp/bloatpad.c
index c6309d4..f48fdb5 100644
--- a/examples/bp/bloatpad.c
+++ b/examples/bp/bloatpad.c
@@ -386,7 +386,7 @@ response (GtkDialog *dialog,
 
   if (response_id == GTK_RESPONSE_CLOSE)
     {
-      gtk_widget_destroy (GTK_WIDGET (dialog));
+      gtk_window_destroy (GTK_WINDOW (dialog));
       return;
     }
 
diff --git a/examples/grid-packing.c b/examples/grid-packing.c
index b6cb0ba..ca4d1aa 100644
--- a/examples/grid-packing.c
+++ b/examples/grid-packing.c
@@ -42,7 +42,7 @@ activate (GtkApplication *app,
   gtk_grid_attach (GTK_GRID (grid), button, 1, 0, 1, 1);
 
   button = gtk_button_new_with_label ("Quit");
-  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
+  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_window_destroy), window);
 
   /* Place the Quit button in the grid cell (0, 1), and make it
    * span 2 columns.
diff --git a/examples/hello-world.c b/examples/hello-world.c
index f6cb55b..281a6e3 100644
--- a/examples/hello-world.c
+++ b/examples/hello-world.c
@@ -24,7 +24,7 @@ activate (GtkApplication *app,
 
   button = gtk_button_new_with_label ("Hello World");
   g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL);
-  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
+  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_window_destroy), window);
   gtk_container_add (GTK_CONTAINER (button_box), button);
 
   gtk_widget_show (window);
diff --git a/examples/plugman.c b/examples/plugman.c
index e7a5272..7d24963 100644
--- a/examples/plugman.c
+++ b/examples/plugman.c
@@ -178,7 +178,7 @@ quit_app (GSimpleAction *action,
       win = list->data;
       next = list->next;
 
-      gtk_widget_destroy (GTK_WIDGET (win));
+      gtk_window_destroy (win);
 
       list = next;
     }
@@ -387,7 +387,7 @@ configure_plugins (GSimpleAction *action,
   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), plugin_enabled ("black"));
   g_signal_connect (check, "toggled", G_CALLBACK (enable_or_disable_plugin), "black");
 
-  g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
+  g_signal_connect (dialog, "response", G_CALLBACK (gtk_window_destroy), NULL);
 
   gtk_window_present (GTK_WINDOW (dialog));
 
diff --git a/examples/sunny.c b/examples/sunny.c
index 4b64c01..0a0c4aa 100644
--- a/examples/sunny.c
+++ b/examples/sunny.c
@@ -102,7 +102,7 @@ quit_app (GSimpleAction *action,
       win = list->data;
       next = list->next;
 
-      gtk_widget_destroy (GTK_WIDGET (win));
+      gtk_window_destroy (win);
 
       list = next;
     }
diff --git a/gtk/gtkbuilder.c b/gtk/gtkbuilder.c
index eda1555..2a7cdaa 100644
--- a/gtk/gtkbuilder.c
+++ b/gtk/gtkbuilder.c
@@ -39,14 +39,14 @@
  * and drops these references when it is finalized. This finalization can
  * cause the destruction of non-widget objects or widgets which are not
  * contained in a toplevel window. For toplevel windows constructed by a
- * builder, it is the responsibility of the user to call gtk_widget_destroy()
+ * builder, it is the responsibility of the user to call gtk_window_destroy()
  * to get rid of them and all the widgets they contain.
  *
  * The functions gtk_builder_get_object() and gtk_builder_get_objects()
  * can be used to access the widgets in the interface by the names assigned
  * to them inside the UI description. Toplevel windows returned by these
  * functions will stay around until the user explicitly destroys them
- * with gtk_widget_destroy(). Other widgets will either be part of a
+ * with gtk_window_destroy(). Other widgets will either be part of a
  * larger hierarchy constructed by the builder (in which case you should
  * not have to worry about their lifecycle), or without a parent, in which
  * case they have to be added to some container to make use of them.
diff --git a/gtk/gtkdnd.c b/gtk/gtkdnd.c
index 8219fbe..d4657fa 100644
--- a/gtk/gtkdnd.c
+++ b/gtk/gtkdnd.c
@@ -1523,7 +1523,7 @@ gtk_drag_set_icon_widget_internal (GdkDragContext *context,
   if (info == NULL)
     {
       if (destroy_on_release)
-        gtk_widget_destroy (widget);
+        g_object_unref (widget);
       return;
     }
 
@@ -1532,7 +1532,7 @@ gtk_drag_set_icon_widget_internal (GdkDragContext *context,
   if (widget)
     g_object_ref (widget);
 
-  info->icon_widget = widget;
+  info->icon_widget = g_object_ref (widget);
   info->hot_x = hot_x;
   info->hot_y = hot_y;
   info->destroy_icon = destroy_on_release;
@@ -2016,7 +2016,7 @@ gtk_drag_remove_icon (GtkDragSourceInfo *info)
       gtk_widget_set_opacity (widget, 1.0);
 
       if (info->destroy_icon)
-        gtk_widget_destroy (widget);
+        g_object_unref (widget);
       else
         gtk_container_remove (GTK_CONTAINER (info->icon_window), widget);
 
@@ -2028,7 +2028,7 @@ static void
 gtk_drag_source_info_free (GtkDragSourceInfo *info)
 {
   gtk_drag_remove_icon (info);
-  gtk_widget_destroy (info->icon_window);
+  gtk_window_destroy (GTK_WINDOW (info->icon_window));
   g_free (info);
 }
 
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 4046055..84c2b85 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -10192,7 +10192,7 @@ gtk_widget_real_destroy (GtkWidget *object)
          FinalizeAssertion *assertion = l->data;
 
          if (!assertion->did_finalize)
-           g_critical ("Automated component '%s' of class '%s' did not finalize in gtk_widget_destroy(). "
+           g_critical ("Automated component '%s' of class '%s' did not finalize in GtkWidget::destroy. "
                        "Current reference count is %d",
                        assertion->child_class->name,
                        g_type_name (assertion->widget_type),
diff --git a/gtk/inspector/recorder.c b/gtk/inspector/recorder.c
index 79b8e7f..3b9e61b 100644
--- a/gtk/inspector/recorder.c
+++ b/gtk/inspector/recorder.c
@@ -742,7 +742,7 @@ node_property_activated (GtkTreeView *tv,
   gtk_container_add (GTK_CONTAINER (popover), image);
   gtk_popover_popup (GTK_POPOVER (popover));
 
-  g_signal_connect (popover, "unmap", G_CALLBACK (gtk_widget_destroy), NULL);
+  g_signal_connect (popover, "unmap", G_CALLBACK (gtk_popover_set_pointing_to), NULL);
 
   cairo_surface_destroy (surface);
 }
diff --git a/modules/input/gtkimcontextxim.c b/modules/input/gtkimcontextxim.c
index 3095fcf..24928bf 100644
--- a/modules/input/gtkimcontextxim.c
+++ b/modules/input/gtkimcontextxim.c
@@ -1682,7 +1682,7 @@ status_window_free (StatusWindow *status_window)
                                        status_window);
 
   if (status_window->window)
-    gtk_widget_destroy (status_window->window);
+    gtk_window_destroy (GTK_WINDOW (status_window->window));
   
   g_object_set_data (G_OBJECT (status_window->toplevel), "gtk-im-xim-status-window", NULL);
  
diff --git a/tests/gdkgears.c b/tests/gdkgears.c
index 94002d5..c5d1d9f 100644
--- a/tests/gdkgears.c
+++ b/tests/gdkgears.c
@@ -236,7 +236,7 @@ main (int argc, char *argv[])
   button = gtk_button_new_with_label ("Quit");
   gtk_widget_set_hexpand (button, TRUE);
   gtk_container_add (GTK_CONTAINER (bbox), button);
-  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
+  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_window_destroy), window);
   gtk_widget_show (button);
 
   gtk_widget_show (window);
diff --git a/tests/print-editor.c b/tests/print-editor.c
index f641173..0e4ea20 100644
--- a/tests/print-editor.c
+++ b/tests/print-editor.c
@@ -131,7 +131,7 @@ load_file (const char *open_filename)
     }
   if (error_dialog)
     {
-      g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
+      g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_window_destroy), NULL);
       gtk_widget_show (error_dialog);
     }
 }
@@ -166,7 +166,7 @@ save_file (const char *save_filename)
                                             filename,
                                             error->message);
       
-      g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
+      g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_window_destroy), NULL);
       gtk_widget_show (error_dialog);
       
       g_error_free (error);
@@ -367,7 +367,7 @@ print_done (GtkPrintOperation *op,
                                             GTK_BUTTONS_CLOSE,
                                             "Error printing file:\n%s",
                                             error ? error->message : "no details");
-      g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
+      g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_window_destroy), NULL);
       gtk_widget_show (error_dialog);
     }
   else if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
@@ -498,7 +498,7 @@ activate_save_as (GSimpleAction *action,
       g_free (save_filename);
     }
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -537,7 +537,7 @@ activate_open (GSimpleAction *action,
       g_free (open_filename);
     }
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -584,7 +584,7 @@ activate_quit (GSimpleAction *action,
       win = list->data;
       next = list->next;
 
-      gtk_widget_destroy (GTK_WIDGET (win));
+      gtk_window_destroy (GTK_WINDOW (win));
 
       list = next;
     }
diff --git a/tests/stresstest-toolbar.c b/tests/stresstest-toolbar.c
index 8bce079..15142b6 100644
--- a/tests/stresstest-toolbar.c
+++ b/tests/stresstest-toolbar.c
@@ -148,7 +148,7 @@ main (gint argc, gchar **argv)
   
   gtk_main ();
 
-  gtk_widget_destroy (GTK_WIDGET (info.window));
+  gtk_window_destroy (GTK_WINDOW (info.window));
 
   info.toolbar = NULL;
   info.window = NULL;
diff --git a/tests/testanimation.c b/tests/testanimation.c
index 8190be9..cf1fbcb 100644
--- a/tests/testanimation.c
+++ b/tests/testanimation.c
@@ -162,7 +162,7 @@ progressive_timeout (gpointer data)
                                            g_strerror (errno));
 
           g_signal_connect (dialog, "response",
-                           G_CALLBACK (gtk_widget_destroy), NULL);
+                           G_CALLBACK (gtk_window_destroy), NULL);
 
           fclose (lc->image_stream);
           lc->image_stream = NULL;
@@ -190,7 +190,7 @@ progressive_timeout (gpointer data)
           g_error_free (error);
           
           g_signal_connect (dialog, "response",
-                           G_CALLBACK (gtk_widget_destroy), NULL);
+                           G_CALLBACK (gtk_window_destroy), NULL);
 
           fclose (lc->image_stream);
           lc->image_stream = NULL;
@@ -227,7 +227,7 @@ progressive_timeout (gpointer data)
               g_error_free (error);
               
               g_signal_connect (dialog, "response",
-                               G_CALLBACK (gtk_widget_destroy), NULL);
+                               G_CALLBACK (gtk_window_destroy), NULL);
               
               gtk_widget_show (dialog);
 
@@ -260,7 +260,7 @@ progressive_timeout (gpointer data)
                                            g_strerror (errno));
 
           g_signal_connect (dialog, "response",
-                           G_CALLBACK (gtk_widget_destroy), NULL);
+                           G_CALLBACK (gtk_window_destroy), NULL);
           
           gtk_widget_show (dialog);
 
diff --git a/tests/testappchooser.c b/tests/testappchooser.c
index 1030f92..32ca617 100644
--- a/tests/testappchooser.c
+++ b/tests/testappchooser.c
@@ -51,7 +51,7 @@ dialog_response (GtkDialog *d,
         g_print ("No application selected\n");
     }
 
-  gtk_widget_destroy (GTK_WIDGET (d));
+  gtk_window_destroy (GTK_WINDOW (d));
   dialog = NULL;
 }
 
@@ -144,7 +144,7 @@ button_clicked (GtkButton *b,
   path = g_file_get_path (file);
   gtk_button_set_label (GTK_BUTTON (file_l), path);
 
-  gtk_widget_destroy (w);
+  gtk_window_destroy (GTK_WINDOW (w));
 
   gtk_widget_set_sensitive (open, TRUE);
 
diff --git a/tests/testassistant.c b/tests/testassistant.c
index 9d87879..9f4fb9d 100644
--- a/tests/testassistant.c
+++ b/tests/testassistant.c
@@ -181,7 +181,7 @@ create_simple_assistant (GtkWidget *widget)
     gtk_widget_show (assistant);
   else
     {
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
     }
 }
@@ -223,7 +223,7 @@ create_anonymous_assistant (GtkWidget *widget)
     gtk_widget_show (assistant);
   else
     {
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
     }
 }
@@ -318,7 +318,7 @@ create_generous_assistant (GtkWidget *widget)
     gtk_widget_show (assistant);
   else
     {
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
     }
 }
@@ -414,7 +414,7 @@ create_nonlinear_assistant (GtkWidget *widget)
     gtk_widget_show (assistant);
   else
     {
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
     }
 }
@@ -511,7 +511,7 @@ create_looping_assistant (GtkWidget *widget)
     gtk_widget_show (assistant);
   else
     {
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
     }
 }
@@ -584,7 +584,7 @@ create_full_featured_assistant (GtkWidget *widget)
     gtk_widget_show (assistant);
   else
     {
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
     }
 }
@@ -672,7 +672,7 @@ create_page_flipping_assistant (GtkWidget *widget)
     gtk_widget_show (assistant);
   else
     {
-      gtk_widget_destroy (assistant);
+      gtk_window_destroy (GTK_WINDOW (assistant));
       assistant = NULL;
     }
 }
diff --git a/tests/testcombo.c b/tests/testcombo.c
index a56c3b9..e33f1a4 100644
--- a/tests/testcombo.c
+++ b/tests/testcombo.c
@@ -161,6 +161,7 @@ create_tree_blaat (void)
         GtkTreeStore *store;
 
         cellview = gtk_cell_view_new ();
+        g_object_ref_sink (cellview);
 
        store = gtk_tree_store_new (3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN);
 
@@ -208,7 +209,7 @@ create_tree_blaat (void)
                            2, FALSE,
                             -1);
 
-        gtk_widget_destroy (cellview);
+        g_object_unref (cellview);
 
         return GTK_TREE_MODEL (store);
 }
@@ -221,6 +222,7 @@ create_empty_list_blaat (void)
         GtkListStore *store;
 
         cellview = gtk_cell_view_new ();
+        g_object_ref_sink (cellview);
 
         store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
 
@@ -230,7 +232,7 @@ create_empty_list_blaat (void)
                             1, "dialog-warning",
                             -1);
 
-        gtk_widget_destroy (cellview);
+        g_object_unref (cellview);
 
         return GTK_TREE_MODEL (store);
 }
@@ -251,6 +253,7 @@ populate_list_blaat (gpointer data)
     return;
 
   cellview = gtk_cell_view_new ();
+  g_object_ref_sink (cellview);
   
   gtk_list_store_append (store, &iter);                               
   gtk_list_store_set (store, &iter,
@@ -282,7 +285,7 @@ populate_list_blaat (gpointer data)
                      1, "document-open",
                      -1);
   
-  gtk_widget_destroy (cellview);  
+  g_object_unref (cellview);
 }
 
 static GtkTreeModel *
@@ -293,6 +296,7 @@ create_list_blaat (void)
         GtkListStore *store;
 
         cellview = gtk_cell_view_new ();
+        g_object_ref_sink (cellview);
 
         store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
 
@@ -332,7 +336,7 @@ create_list_blaat (void)
                             1, "document-open",
                             -1);
 
-        gtk_widget_destroy (cellview);
+        g_object_unref (cellview);
 
         return GTK_TREE_MODEL (store);
 }
diff --git a/tests/testdialog.c b/tests/testdialog.c
index 07eba4b..6b85936 100644
--- a/tests/testdialog.c
+++ b/tests/testdialog.c
@@ -17,7 +17,7 @@ show_message_dialog1 (GtkWindow *parent)
                                             "Unhandled error message: SSH program unexpectedly exited");
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -38,7 +38,7 @@ show_message_dialog1a (GtkWindow *parent)
   gtk_widget_show (image);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -61,7 +61,7 @@ show_message_dialog2 (GtkWindow *parent)
                           NULL);  
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -72,7 +72,7 @@ show_color_chooser (GtkWindow *parent)
   dialog = gtk_color_chooser_dialog_new ("Builtin", parent);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -86,7 +86,7 @@ show_color_chooser_generic (GtkWindow *parent)
                          NULL);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -121,7 +121,7 @@ show_dialog (GtkWindow *parent)
   add_content (dialog);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -137,7 +137,7 @@ show_dialog_with_header (GtkWindow *parent)
   add_content (dialog);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -154,7 +154,7 @@ show_dialog_with_buttons (GtkWindow *parent)
   add_content (dialog);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -171,7 +171,7 @@ show_dialog_with_header_buttons (GtkWindow *parent)
   add_content (dialog);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -186,7 +186,7 @@ show_dialog_with_header_buttons2 (GtkWindow *parent)
   g_object_unref (builder);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 typedef struct {
@@ -233,7 +233,7 @@ show_dialog_from_template (GtkWindow *parent)
   add_content (dialog);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -254,7 +254,7 @@ show_dialog_flex_template (GtkWindow *parent)
   add_content (dialog);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 typedef struct {
@@ -306,7 +306,7 @@ show_dialog_from_template_with_header (GtkWindow *parent)
   add_content (dialog);
 
   gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 int
diff --git a/tests/testdnd2.c b/tests/testdnd2.c
index 3a0b872..5cc02a8 100644
--- a/tests/testdnd2.c
+++ b/tests/testdnd2.c
@@ -85,7 +85,7 @@ window_drag_end (GtkWidget *widget, GdkDragContext *context, gpointer data)
 {
   GtkWidget *window = data;
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
   g_signal_handlers_disconnect_by_func (widget, window_drag_end, data);
 }
 
@@ -284,7 +284,7 @@ spinner_drag_end (GtkWidget      *widget,
 
   g_print ("GtkWidget::drag-end\n");
   spinner = g_object_get_data (G_OBJECT (context), "spinner");
-  gtk_widget_destroy (spinner);
+  g_object_unref (spinner);
 }
 
 static gboolean
diff --git a/tests/testfilechooser.c b/tests/testfilechooser.c
index 2906a24..fa47b75 100644
--- a/tests/testfilechooser.c
+++ b/tests/testfilechooser.c
@@ -347,7 +347,7 @@ set_current_folder (GtkFileChooser *chooser,
                                       "Could not set the folder to %s",
                                       name);
       gtk_dialog_run (GTK_DIALOG (dialog));
-      gtk_widget_destroy (dialog);
+      gtk_window_destroy (GTK_WINDOW (dialog));
     }
 }
 
@@ -380,7 +380,7 @@ set_filename (GtkFileChooser *chooser,
                                       "Could not select %s",
                                       name);
       gtk_dialog_run (GTK_DIALOG (dialog));
-      gtk_widget_destroy (dialog);
+      gtk_window_destroy (GTK_WINDOW (dialog));
     }
 }
 
@@ -450,7 +450,7 @@ unmap_and_remap_cb (GtkButton *button,
 static void
 kill_dependent (GtkWindow *win, GtkWidget *dep)
 {
-  gtk_widget_destroy (dep);
+  gtk_window_destroy (GTK_WINDOW (dep));
   g_object_unref (dep);
 }
 
@@ -510,7 +510,7 @@ confirm_overwrite_cb (GtkFileChooser *chooser,
       break;
     }
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 
   return conf;
 }
@@ -768,7 +768,7 @@ main (int argc, char **argv)
    */
   g_object_ref (dialog);
   gtk_main ();
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
   g_object_unref (dialog);
 
   return 0;
diff --git a/tests/testglarea.c b/tests/testglarea.c
index 08ed63c..578f4e6 100644
--- a/tests/testglarea.c
+++ b/tests/testglarea.c
@@ -433,7 +433,7 @@ main (int argc, char *argv[])
   button = gtk_button_new_with_label ("Quit");
   gtk_widget_set_hexpand (button, TRUE);
   gtk_container_add (GTK_CONTAINER (box), button);
-  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
+  g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_window_destroy), window);
   gtk_widget_show (button);
 
   gtk_widget_show (window);
diff --git a/tests/testgtk.c b/tests/testgtk.c
index 86effa2..3406356 100644
--- a/tests/testgtk.c
+++ b/tests/testgtk.c
@@ -283,14 +283,14 @@ create_alpha_window (GtkWidget *widget)
                        &window);
 
       g_signal_connect (window, "response",
-                        G_CALLBACK (gtk_widget_destroy),
+                        G_CALLBACK (gtk_window_destroy),
                         NULL);
     }
 
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -370,7 +370,7 @@ create_buttons (GtkWidget *widget)
 
       button[9] = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button[9], "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box2), button[9]);
       gtk_widget_set_can_default (button[9], TRUE);
@@ -380,7 +380,7 @@ create_buttons (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -431,7 +431,7 @@ create_toggle_buttons (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box2), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -441,7 +441,7 @@ create_toggle_buttons (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static GtkWidget *
@@ -526,7 +526,7 @@ create_check_buttons (GtkWidget *widget)
                        G_CALLBACK (gtk_widget_destroyed),
                        &window);
       g_signal_connect (window, "response",
-                        G_CALLBACK (gtk_widget_destroy),
+                        G_CALLBACK (gtk_window_destroy),
                         NULL);
 
       box1 = gtk_dialog_get_content_area (GTK_DIALOG (window));
@@ -557,7 +557,7 @@ create_check_buttons (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -589,7 +589,7 @@ create_radio_buttons (GtkWidget *widget)
                        G_CALLBACK (gtk_widget_destroyed),
                        &window);
       g_signal_connect (window, "response",
-                        G_CALLBACK (gtk_widget_destroy),
+                        G_CALLBACK (gtk_window_destroy),
                         NULL);
 
       box1 = gtk_dialog_get_content_area (GTK_DIALOG (window));
@@ -650,7 +650,7 @@ create_radio_buttons (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -766,7 +766,7 @@ create_button_box (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -961,7 +961,7 @@ create_statusbar (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box2), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -971,7 +971,7 @@ create_statusbar (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /* Alpha demo */
@@ -1074,7 +1074,7 @@ create_alpha_widgets (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -1167,7 +1167,7 @@ dialog_response (GtkWidget *dialog, gint response_id, GtkLabel *label)
 {
   const gchar *text;
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 
   text = "Some <a href=\"http://en.wikipedia.org/wiki/Text\"; title=\"plain text\">text</a> may be marked 
up\n"
          "as hyperlinks, which can be clicked\n"
@@ -1363,7 +1363,7 @@ void create_labels (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 #define DEFAULT_TEXT_RADIUS 200
@@ -1462,7 +1462,7 @@ create_rotated_text (GtkWidget *widget)
                             gtk_widget_get_screen (widget));
 
       g_signal_connect (window, "response",
-                       G_CALLBACK (gtk_widget_destroy), NULL);
+                       G_CALLBACK (gtk_window_destroy), NULL);
       g_signal_connect (window, "destroy",
                        G_CALLBACK (gtk_widget_destroyed), &window);
 
@@ -1490,7 +1490,7 @@ create_rotated_text (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -1618,7 +1618,7 @@ create_saved_position (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("Close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (hbox), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -1627,7 +1627,7 @@ create_saved_position (GtkWidget *widget)
       gtk_widget_show (window);
     }
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -1701,7 +1701,7 @@ create_pixbuf (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box2), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -1711,7 +1711,7 @@ create_pixbuf (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -1796,7 +1796,7 @@ create_tooltips (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box2), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -1808,7 +1808,7 @@ create_tooltips (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -1870,7 +1870,7 @@ create_image (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -2038,7 +2038,7 @@ create_listbox (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -2442,7 +2442,7 @@ create_menus (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box2), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -2453,7 +2453,7 @@ create_menus (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -2541,12 +2541,12 @@ create_key_lookup (GtkWidget *widget)
 
       window_ptr = &window;
       g_object_add_weak_pointer (G_OBJECT (window), window_ptr);
-      g_signal_connect (window, "response", G_CALLBACK (gtk_widget_destroy), NULL);
+      g_signal_connect (window, "response", G_CALLBACK (gtk_window_destroy), NULL);
 
       gtk_widget_show (window);
     }
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -2576,7 +2576,7 @@ cmw_color (GtkWidget *widget, GtkWidget *parent)
     g_signal_connect (csd, "destroy",
                      G_CALLBACK (cmw_destroy_cb), NULL);
     g_signal_connect (csd, "response",
-                      G_CALLBACK (gtk_widget_destroy), NULL);
+                      G_CALLBACK (gtk_window_destroy), NULL);
     
     /* wait until destroy calls gtk_main_quit */
     gtk_widget_show (csd);    
@@ -2600,7 +2600,7 @@ cmw_file (GtkWidget *widget, GtkWidget *parent)
     g_signal_connect (fs, "destroy",
                       G_CALLBACK (cmw_destroy_cb), NULL);
     g_signal_connect_swapped (fs, "response",
-                      G_CALLBACK (gtk_widget_destroy), fs);
+                      G_CALLBACK (gtk_window_destroy), fs);
 
     /* wait until destroy calls gtk_main_quit */
     gtk_widget_show (fs);
@@ -2646,7 +2646,7 @@ create_modal_window (GtkWidget *widget)
 
   /* connect signals */
   g_signal_connect_swapped (btnClose, "clicked",
-                           G_CALLBACK (gtk_widget_destroy), window);
+                           G_CALLBACK (gtk_window_destroy), window);
 
   g_signal_connect (window, "destroy",
                     G_CALLBACK (cmw_destroy_cb), NULL);
@@ -2676,7 +2676,7 @@ make_message_dialog (GdkScreen *screen,
 {
   if (*dialog)
     {
-      gtk_widget_destroy (*dialog);
+      gtk_window_destroy (GTK_WINDOW (*dialog));
 
       return;
     }
@@ -2688,7 +2688,7 @@ make_message_dialog (GdkScreen *screen,
 
   g_signal_connect_swapped (*dialog,
                            "response",
-                           G_CALLBACK (gtk_widget_destroy),
+                           G_CALLBACK (gtk_window_destroy),
                            *dialog);
   
   g_signal_connect (*dialog,
@@ -2743,7 +2743,7 @@ scrolled_windows_delete_cb (GtkWidget *widget, GdkEventAny *event, GtkWidget *sc
 static void
 scrolled_windows_destroy_cb (GtkWidget *widget, GtkWidget *scrollwin)
 {
-  gtk_widget_destroy (sw_float_parent);
+  gtk_window_destroy (GTK_WINDOW (sw_float_parent));
 
   sw_float_parent = NULL;
   sw_parent = NULL;
@@ -2755,7 +2755,7 @@ scrolled_windows_remove (GtkWidget *dialog, gint response, GtkWidget *scrollwin)
 {
   if (response != GTK_RESPONSE_APPLY)
     {
-      gtk_widget_destroy (dialog);
+      gtk_window_destroy (GTK_WINDOW (dialog));
       return;
     }
 
@@ -2766,8 +2766,7 @@ scrolled_windows_remove (GtkWidget *dialog, gint response, GtkWidget *scrollwin)
       gtk_container_add (GTK_CONTAINER (sw_parent), scrollwin);
       g_object_unref (scrollwin);
 
-
-      gtk_widget_destroy (sw_float_parent);
+      gtk_window_destroy (GTK_WINDOW (sw_float_parent));
 
       g_signal_handler_disconnect (sw_parent, sw_destroyed_handler);
       sw_float_parent = NULL;
@@ -2869,7 +2868,7 @@ create_scrolled_windows (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -3044,7 +3043,7 @@ create_entry (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box2), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -3054,7 +3053,7 @@ create_entry (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -3092,7 +3091,7 @@ create_expander (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -3147,7 +3146,7 @@ create_size_group_window (GdkScreen    *screen,
   gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
 
   g_signal_connect (window, "response",
-                   G_CALLBACK (gtk_widget_destroy),
+                   G_CALLBACK (gtk_window_destroy),
                    NULL);
 
   content_area = gtk_dialog_get_content_area (GTK_DIALOG (window));
@@ -3263,8 +3262,8 @@ create_size_groups (GtkWidget *widget)
 
   if (gtk_widget_get_visible (window1) && gtk_widget_get_visible (window2))
     {
-      gtk_widget_destroy (window1);
-      gtk_widget_destroy (window2);
+      gtk_window_destroy (GTK_WINDOW (window1));
+      gtk_window_destroy (GTK_WINDOW (window2));
     }
   else
     {
@@ -3649,7 +3648,7 @@ create_spins (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("Close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (hbox), button);
     }
@@ -3657,7 +3656,7 @@ create_spins (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -4029,7 +4028,7 @@ create_cursors (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("Close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (hbox), button);
 
@@ -4038,7 +4037,7 @@ create_cursors (GtkWidget *widget)
       gtk_entry_set_text (GTK_ENTRY (entry), "arrow");
     }
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -4080,7 +4079,7 @@ create_color_selection (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 void
@@ -4209,13 +4208,13 @@ create_flipping (GtkWidget *widget)
                          create_forward_back ("Right-to-Left", GTK_TEXT_DIR_RTL));
 
       gtk_dialog_add_button (GTK_DIALOG (window), "Close", GTK_RESPONSE_CLOSE);
-      g_signal_connect (window, "response", G_CALLBACK (gtk_widget_destroy), NULL);
+      g_signal_connect (window, "response", G_CALLBACK (gtk_window_destroy), NULL);
     }
 
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -4284,7 +4283,7 @@ create_focus (GtkWidget *widget)
                        &window);
 
       g_signal_connect (window, "response",
-                        G_CALLBACK (gtk_widget_destroy),
+                        G_CALLBACK (gtk_window_destroy),
                         NULL);
 
       content_area = gtk_dialog_get_content_area (GTK_DIALOG (window));
@@ -4319,7 +4318,7 @@ create_focus (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -4361,7 +4360,7 @@ create_font_selection (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -4443,7 +4442,7 @@ create_dialog (GtkWidget *widget)
   if (!gtk_widget_get_visible (dialog_window))
     gtk_widget_show (dialog_window);
   else
-    gtk_widget_destroy (dialog_window);
+    gtk_window_destroy (GTK_WINDOW (dialog_window));
 }
 
 /* Display & Screen test 
@@ -4480,7 +4479,7 @@ screen_display_check (GtkWidget *widget, ScreenDisplaySelection *data)
       gtk_window_set_screen (GTK_WINDOW (dialog), current_screen);
       gtk_widget_show (dialog);
       g_signal_connect (dialog, "response",
-                        G_CALLBACK (gtk_widget_destroy),
+                        G_CALLBACK (gtk_window_destroy),
                         NULL);
     }
   else
@@ -4504,14 +4503,14 @@ screen_display_check (GtkWidget *widget, ScreenDisplaySelection *data)
       new_screen = gdk_display_get_default_screen (display);
 
       gtk_window_set_screen (GTK_WINDOW (data->toplevel), new_screen);
-      gtk_widget_destroy (data->dialog_window);
+      gtk_window_destroy (GTK_WINDOW (data->dialog_window));
     }
 }
 
 void
 screen_display_destroy_diag (GtkWidget *widget, GtkWidget *data)
 {
-  gtk_widget_destroy (data);
+  gtk_window_destroy (GTK_WINDOW (data));
 }
 
 void
@@ -4529,7 +4528,7 @@ create_display_screen (GtkWidget *widget)
                         "title", "Screen or Display selection",
                          10, NULL);
   g_signal_connect (window, "destroy", 
-                   G_CALLBACK (gtk_widget_destroy), NULL);
+                   G_CALLBACK (gtk_window_destroy), NULL);
 
   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
   gtk_container_add (GTK_CONTAINER (window), vbox);
@@ -4657,13 +4656,13 @@ create_event_watcher (GtkWidget *widget)
       gtk_widget_show (button);
 
       gtk_dialog_add_button (GTK_DIALOG (dialog_window), "Close", GTK_RESPONSE_CLOSE);
-      g_signal_connect (dialog_window, "response", G_CALLBACK (gtk_widget_destroy), NULL);
+      g_signal_connect (dialog_window, "response", G_CALLBACK (gtk_window_destroy), NULL);
     }
 
   if (!gtk_widget_get_visible (dialog_window))
     gtk_widget_show (dialog_window);
   else
-    gtk_widget_destroy (dialog_window);
+    gtk_window_destroy (GTK_WINDOW (dialog_window));
 }
 
 /*
@@ -4779,7 +4778,7 @@ create_range_controls (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box2), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -4790,7 +4789,7 @@ create_range_controls (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -5160,7 +5159,7 @@ create_notebook (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_box_pack_start (GTK_BOX (box1), button);
       gtk_widget_set_can_default (button, TRUE);
@@ -5170,7 +5169,7 @@ create_notebook (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -5328,7 +5327,7 @@ create_panes (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -5647,10 +5646,10 @@ create_paned_keyboard_navigation (GtkWidget *widget)
   if (window1 && 
      (gtk_widget_get_screen (window1) != gtk_widget_get_screen (widget)))
     {
-      gtk_widget_destroy (window1);
-      gtk_widget_destroy (window2);
-      gtk_widget_destroy (window3);
-      gtk_widget_destroy (window4);
+    gtk_window_destroy (GTK_WINDOW (window1));
+    gtk_window_destroy (GTK_WINDOW (window2));
+    gtk_window_destroy (GTK_WINDOW (window3));
+    gtk_window_destroy (GTK_WINDOW (window4));
     }
   
   if (!window1)
@@ -5686,22 +5685,22 @@ create_paned_keyboard_navigation (GtkWidget *widget)
     }
 
   if (gtk_widget_get_visible (window1))
-    gtk_widget_destroy (GTK_WIDGET (window1));
+    gtk_window_destroy (GTK_WINDOW (window1));
   else
     gtk_widget_show (GTK_WIDGET (window1));
 
   if (gtk_widget_get_visible (window2))
-    gtk_widget_destroy (GTK_WIDGET (window2));
+    gtk_window_destroy (GTK_WINDOW (window2));
   else
     gtk_widget_show (GTK_WIDGET (window2));
 
   if (gtk_widget_get_visible (window3))
-    gtk_widget_destroy (GTK_WIDGET (window3));
+    gtk_window_destroy (GTK_WINDOW (window3));
   else
     gtk_widget_show (GTK_WIDGET (window3));
 
   if (gtk_widget_get_visible (window4))
-    gtk_widget_destroy (GTK_WIDGET (window4));
+    gtk_window_destroy (GTK_WINDOW (window4));
   else
     gtk_widget_show (GTK_WIDGET (window4));
 }
@@ -5776,7 +5775,7 @@ create_wmhints (GtkWidget *widget)
       button = gtk_button_new_with_label ("close");
 
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
 
       gtk_box_pack_start (GTK_BOX (box2), button);
@@ -5788,7 +5787,7 @@ create_wmhints (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -5841,7 +5840,7 @@ tracking_label (GtkWidget *window)
 
   g_signal_connect_object (hbox,
                           "destroy",
-                          G_CALLBACK (gtk_widget_destroy),
+                          G_CALLBACK (gtk_window_destroy),
                           window,
                           G_CONNECT_SWAPPED);
 
@@ -6059,7 +6058,7 @@ create_window_states (GtkWidget *widget)
                             gtk_widget_get_screen (widget));
       
       g_signal_connect_object (iconified, "destroy",
-                              G_CALLBACK (gtk_widget_destroy),
+                              G_CALLBACK (gtk_window_destroy),
                               window,
                               G_CONNECT_SWAPPED);
       gtk_window_iconify (GTK_WINDOW (iconified));
@@ -6073,7 +6072,7 @@ create_window_states (GtkWidget *widget)
                             gtk_widget_get_screen (widget));
       
       g_signal_connect_object (normal, "destroy",
-                              G_CALLBACK (gtk_widget_destroy),
+                              G_CALLBACK (gtk_window_destroy),
                               window,
                               G_CONNECT_SWAPPED);
       
@@ -6095,7 +6094,7 @@ create_window_states (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -6266,7 +6265,7 @@ window_controls (GtkWidget *window)
   
   g_signal_connect_object (control_window,
                           "destroy",
-                          G_CALLBACK (gtk_widget_destroy),
+                          G_CALLBACK (gtk_window_destroy),
                            window,
                           G_CONNECT_SWAPPED);
 
@@ -6478,7 +6477,7 @@ create_window_sizing (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -6762,14 +6761,14 @@ create_progress_bar (GtkWidget *widget)
 
       gtk_dialog_add_button (GTK_DIALOG (pdata->window), "Close", GTK_RESPONSE_CLOSE);
       g_signal_connect (pdata->window, "response",
-                       G_CALLBACK (gtk_widget_destroy),
+                       G_CALLBACK (gtk_window_destroy),
                        NULL);
     }
 
   if (!gtk_widget_get_visible (pdata->window))
     gtk_widget_show (pdata->window);
   else
-    gtk_widget_destroy (pdata->window);
+    gtk_window_destroy (GTK_WINDOW (pdata->window));
 }
 
 /*
@@ -7079,7 +7078,7 @@ create_snapshot (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
   
 }
 
@@ -7143,7 +7142,7 @@ selection_test_get_targets (GtkWidget *dialog, gint response, GtkWidget *tree_vi
 
   if (response != GTK_RESPONSE_APPLY)
     {
-      gtk_widget_destroy (dialog);
+      gtk_window_destroy (GTK_WINDOW (dialog));
       return;
     }
 
@@ -7225,7 +7224,7 @@ create_selection_test (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -7369,14 +7368,14 @@ create_scroll_test (GtkWidget *widget)
                              "Quit",
                              GTK_RESPONSE_CLOSE);
       g_signal_connect_swapped (window, "response",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
     }
 
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -7458,7 +7457,7 @@ create_timeout_test (GtkWidget *widget)
 
       button = gtk_button_new_with_label ("close");
       g_signal_connect_swapped (button, "clicked",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
       gtk_widget_set_can_default (button, TRUE);
       gtk_box_pack_start (GTK_BOX (action_area), button);
@@ -7485,7 +7484,7 @@ create_timeout_test (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -7531,7 +7530,7 @@ create_mainloop (GtkWidget *widget)
                              "Leave",
                              GTK_RESPONSE_OK);
       g_signal_connect_swapped (window, "response",
-                               G_CALLBACK (gtk_widget_destroy),
+                               G_CALLBACK (gtk_window_destroy),
                                window);
     }
 
@@ -7544,7 +7543,7 @@ create_mainloop (GtkWidget *widget)
       g_print ("create_mainloop: done\n");
     }
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static gboolean
@@ -7654,7 +7653,7 @@ void create_layout (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -8032,7 +8031,7 @@ create_native_dialogs (GtkWidget *widget)
   if (!gtk_widget_get_visible (window))
     gtk_widget_show (window);
   else
-    gtk_widget_destroy (window);
+    gtk_window_destroy (GTK_WINDOW (window));
 }
 
 /*
@@ -8042,7 +8041,7 @@ create_native_dialogs (GtkWidget *widget)
 void
 do_exit (GtkWidget *widget, GtkWidget *window)
 {
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
   gtk_main_quit ();
 }
 
diff --git a/tests/testheaderbar.c b/tests/testheaderbar.c
index 0165ca7..8fc4a39 100644
--- a/tests/testheaderbar.c
+++ b/tests/testheaderbar.c
@@ -33,7 +33,7 @@ on_bookmark_clicked (GtkButton *button, gpointer data)
                                          NULL);
 
   g_signal_connect (chooser, "response",
-                    G_CALLBACK (gtk_widget_destroy), NULL);
+                    G_CALLBACK (gtk_window_destroy), NULL);
 
   gtk_widget_show (chooser);
 }
@@ -168,7 +168,7 @@ main (int argc, char *argv[])
 
   gtk_main ();
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 
   return 0;
 }
diff --git a/tests/testheightforwidth.c b/tests/testheightforwidth.c
index d96f6e5..4eaa9d8 100644
--- a/tests/testheightforwidth.c
+++ b/tests/testheightforwidth.c
@@ -963,10 +963,10 @@ main_window_delete_cb (GtkWidget *widget, GdkEvent *event, gpointer user_data)
   for (i = 0; i < G_N_ELEMENTS (interfaces); ++i)
     {
       if (interfaces[i].window)
-        gtk_widget_destroy (interfaces[i].window);
+        gtk_window_destroy (GTK_WINDOW (interfaces[i].window));
     }
 
-  gtk_widget_destroy (widget);
+  gtk_window_destroy (GTK_WINDOW (widget));
 
   gtk_main_quit ();
 
diff --git a/tests/testinput.c b/tests/testinput.c
index b47037b..14e34cb 100644
--- a/tests/testinput.c
+++ b/tests/testinput.c
@@ -308,7 +308,7 @@ main (int argc, char *argv[])
   gtk_box_pack_start (GTK_BOX (vbox), button);
 
   g_signal_connect_swapped (button, "clicked",
-                           G_CALLBACK (gtk_widget_destroy),
+                           G_CALLBACK (gtk_window_destroy),
                            window);
   gtk_widget_show (button);
 
diff --git a/tests/testlist2.c b/tests/testlist2.c
index 770bcda..1df1f5d 100644
--- a/tests/testlist2.c
+++ b/tests/testlist2.c
@@ -41,7 +41,7 @@ row_revealed (GObject *revealer, GParamSpec *pspec, gpointer data)
   child = gtk_bin_get_child (GTK_BIN (revealer));
   g_object_ref (child);
   gtk_container_remove (GTK_CONTAINER (revealer), child);
-  gtk_widget_destroy (GTK_WIDGET (revealer));
+  g_object_unref (revealer);
   gtk_container_add (GTK_CONTAINER (row), child);
   g_object_unref (child);
 }
diff --git a/tests/testlogout.c b/tests/testlogout.c
index 5d9a21f..5c37eda 100644
--- a/tests/testlogout.c
+++ b/tests/testlogout.c
@@ -134,7 +134,7 @@ quit (GtkApplication *app,
       gpointer        data)
 {
   g_print ("Received quit\n");
-  gtk_widget_destroy (win);
+  gtk_window_destroy (GTK_WINDOW (win));
 }
 
 int
diff --git a/tests/testmultidisplay.c b/tests/testmultidisplay.c
index 464b88e..ac028d5 100644
--- a/tests/testmultidisplay.c
+++ b/tests/testmultidisplay.c
@@ -160,7 +160,7 @@ main (int argc, char *argv[])
        gtk_dialog_run (GTK_DIALOG (dialog));
     }
   
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 
   entry = g_object_new (GTK_TYPE_ENTRY,
                          "activates_default", TRUE,
diff --git a/tests/testrecentchooser.c b/tests/testrecentchooser.c
index a2d133d..f79708d 100644
--- a/tests/testrecentchooser.c
+++ b/tests/testrecentchooser.c
@@ -95,7 +95,7 @@ static void
 kill_dependent (GtkWindow *win,
                GtkWidget *dep)
 {
-  gtk_widget_destroy (dep);
+  gtk_window_destroy (GTK_WINDOW (dep));
   g_object_unref (dep);
 }
 
@@ -193,7 +193,8 @@ main (int   argc,
   
   g_object_ref (dialog);
   gtk_main ();
-  gtk_widget_destroy (dialog);
+
+  gtk_window_destroy (GTK_WINDOW (dialog));
   g_object_unref (dialog);
 
   return 0;
diff --git a/tests/testrecentchoosermenu.c b/tests/testrecentchoosermenu.c
index ba0710a..b5fc56b 100644
--- a/tests/testrecentchoosermenu.c
+++ b/tests/testrecentchoosermenu.c
@@ -188,7 +188,7 @@ main (int argc, char *argv[])
 
   button = gtk_button_new_with_label ("Close");
   g_signal_connect_swapped (button, "clicked",
-                            G_CALLBACK (gtk_widget_destroy),
+                            G_CALLBACK (gtk_window_destroy),
                             window);
   gtk_box_pack_end (GTK_BOX (box), button);
   gtk_widget_set_can_default (button, TRUE);
diff --git a/tests/testrevealer.c b/tests/testrevealer.c
index 28b79b6..4e87d2c 100644
--- a/tests/testrevealer.c
+++ b/tests/testrevealer.c
@@ -109,7 +109,7 @@ main (gint argc,
   gtk_widget_show (window);
   gtk_main ();
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 
   return 0;
 }
diff --git a/tests/testselection.c b/tests/testselection.c
index e6d029a..6cef4be 100644
--- a/tests/testselection.c
+++ b/tests/testselection.c
@@ -361,7 +361,7 @@ paste (GtkWidget *dialog, gint response, GtkWidget *entry)
 
   if (response != GTK_RESPONSE_APPLY)
     {
-      gtk_widget_destroy (dialog);
+      gtk_window_destroy (GTK_WINDOW (dialog));
       return;
     }
 
diff --git a/tests/teststack.c b/tests/teststack.c
index e5d61eb..ab54aa5 100644
--- a/tests/teststack.c
+++ b/tests/teststack.c
@@ -263,7 +263,7 @@ main (gint argc,
   gtk_widget_show (window);
   gtk_main ();
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 
   return 0;
 }
diff --git a/tests/testthreads.c b/tests/testthreads.c
index b501172..83c328f 100644
--- a/tests/testthreads.c
+++ b/tests/testthreads.c
@@ -100,7 +100,7 @@ counter (void *data)
       gdk_threads_enter();
     }
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 
   pthread_mutex_lock (&nthreads_mutex);
   nthreads--;
diff --git a/tests/testvolumebutton.c b/tests/testvolumebutton.c
index 73e5692..912c90a 100644
--- a/tests/testvolumebutton.c
+++ b/tests/testvolumebutton.c
@@ -47,7 +47,7 @@ response_cb (GtkDialog *dialog,
              gint       arg1,
              gpointer   user_data)
 {
-  gtk_widget_destroy (GTK_WIDGET (dialog));
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static gboolean
diff --git a/tests/testwindowsize.c b/tests/testwindowsize.c
index 495307e..39a4285 100644
--- a/tests/testwindowsize.c
+++ b/tests/testwindowsize.c
@@ -73,7 +73,7 @@ show_dialog (void)
 
   gtk_dialog_run (GTK_DIALOG (dialog));
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
diff --git a/tests/testxinerama.c b/tests/testxinerama.c
index 37a9c51..2bea9ea 100644
--- a/tests/testxinerama.c
+++ b/tests/testxinerama.c
@@ -99,7 +99,7 @@ monitor_added (GdkDisplay *display,
   g_signal_connect (monitor, "notify",
                     G_CALLBACK (monitor_changed_cb), label);
   g_signal_connect_swapped (monitor, "invalidate",
-                            G_CALLBACK (gtk_widget_destroy), window);
+                            G_CALLBACK (gtk_window_destroy), window);
 }
 
 int
diff --git a/testsuite/a11y/accessibility-dump.c b/testsuite/a11y/accessibility-dump.c
index 5f848fb..507985a 100644
--- a/testsuite/a11y/accessibility-dump.c
+++ b/testsuite/a11y/accessibility-dump.c
@@ -727,7 +727,7 @@ dump_ui_file (const char *ui_file,
   gtk_widget_show (window);
 
   dump_accessible (gtk_widget_get_accessible (window), 0, string);
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
diff --git a/testsuite/a11y/misc.c b/testsuite/a11y/misc.c
index a6ae6ca..7344cb2 100644
--- a/testsuite/a11y/misc.c
+++ b/testsuite/a11y/misc.c
@@ -30,8 +30,10 @@ test_popover_parent (void)
   g_test_bug ("733923");
 
   w = gtk_entry_new ();
+  g_object_ref_sink (w);
 
   p = gtk_popover_new (NULL);
+  g_object_ref_sink (p);
   a = gtk_widget_get_accessible (p);
 
   g_assert (a != NULL);
@@ -41,8 +43,8 @@ test_popover_parent (void)
 
   g_assert (atk_object_get_parent (a) != NULL);
 
-  gtk_widget_destroy (w);
-  gtk_widget_destroy (p);
+  g_object_unref (w);
+  g_object_unref (p);
 }
 
 int
diff --git a/testsuite/a11y/state/state-record.c b/testsuite/a11y/state/state-record.c
index dd37c62..fe3473f 100644
--- a/testsuite/a11y/state/state-record.c
+++ b/testsuite/a11y/state/state-record.c
@@ -101,7 +101,8 @@ do_action (GtkBuilder *builder, const gchar *action, GString *string)
               GObject *o;
 
               o = gtk_builder_get_object (builder, parts[i]);
-              gtk_widget_destroy (GTK_WIDGET (o));
+              g_object_ref_sink (o);
+              g_object_unref (o);
             }
         }
       else if (strcmp (parts[0], "show") == 0)
diff --git a/testsuite/gtk/builder.c b/testsuite/gtk/builder.c
index 9d5fb82..38bf35e 100644
--- a/testsuite/gtk/builder.c
+++ b/testsuite/gtk/builder.c
@@ -254,7 +254,7 @@ test_connect_signals (void)
   g_assert_cmpint (object, ==, 1);
   g_assert_cmpint (object_after, ==, 1);
 
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
   
   builder = builder_new_from_string (buffer_order, -1, NULL);
@@ -264,7 +264,7 @@ test_connect_signals (void)
   gtk_window_set_title (GTK_WINDOW (window), "test");
   g_assert (normal == 20);
 
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
 
   gtk_builder_add_from_string (builder, buffer_extra,
                               strlen (buffer_extra), NULL);
@@ -275,11 +275,11 @@ test_connect_signals (void)
   gtk_window_set_title (GTK_WINDOW (window), "test");
   g_assert (normal == 30);
 
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   window = gtk_builder_get_object (builder, "window3");
   gtk_window_set_title (GTK_WINDOW (window), "test");
   g_assert (normal == 40);
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   
   g_object_unref (builder);
 
@@ -293,7 +293,7 @@ test_connect_signals (void)
   gtk_window_set_title (GTK_WINDOW (window), "test");
 
   g_assert (normal == 1);
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
 }
 
@@ -348,7 +348,7 @@ test_translation (void)
   g_assert (strcmp (gtk_label_get_text (label), "Arkiv") == 0);
 
   window = gtk_builder_get_object (builder, "window1");
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
 }
 #endif
@@ -449,7 +449,7 @@ test_sizegroup (void)
   {
     GObject *window;
     window = gtk_builder_get_object (builder, "window1");
-    gtk_widget_destroy (GTK_WIDGET (window));
+    gtk_window_destroy (GTK_WINDOW (window));
   }
 #endif  
   g_object_unref (builder);
@@ -689,20 +689,20 @@ test_types (void)
   GError *error;
 
   builder = builder_new_from_string (buffer, -1, NULL);
-  gtk_widget_destroy (GTK_WIDGET (gtk_builder_get_object (builder, "dialog")));
-  gtk_widget_destroy (GTK_WIDGET (gtk_builder_get_object (builder, "window")));
+  gtk_window_destroy (GTK_WINDOW (gtk_builder_get_object (builder, "dialog")));
+  gtk_window_destroy (GTK_WINDOW (gtk_builder_get_object (builder, "window")));
   g_object_unref (builder);
 
   builder = builder_new_from_string (buffer2, -1, NULL);
   window = gtk_builder_get_object (builder, "window");
   g_assert (GTK_IS_WINDOW (window));
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
 
   builder = builder_new_from_string (buffer3, -1, NULL);
   window = gtk_builder_get_object (builder, "window");
   g_assert (GTK_IS_WINDOW (window));
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
   
   error = NULL;
@@ -843,7 +843,7 @@ test_construct_only_property (void)
   g_object_get (widget, "type", &type, NULL);
   g_assert (type == GTK_WINDOW_POPUP);
 
-  gtk_widget_destroy (GTK_WIDGET (widget));
+  gtk_window_destroy (GTK_WINDOW (widget));
   g_object_unref (builder);
 
   builder = builder_new_from_string (buffer2, -1, NULL);
@@ -893,7 +893,7 @@ test_object_properties (void)
   gtk_builder_add_from_string (builder, buffer2, -1, NULL);
   window = gtk_builder_get_object (builder, "window2");
   g_assert (window != NULL);
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
 
   g_object_unref (builder);
 }
@@ -945,7 +945,7 @@ test_children (void)
   g_assert (gtk_widget_get_parent (GTK_WIDGET(button)) != NULL);
   g_assert (strcmp (gtk_buildable_get_name (GTK_BUILDABLE (gtk_widget_get_parent (GTK_WIDGET (button)))), 
"window1") == 0);
 
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
   
   builder = builder_new_from_string (buffer2, -1, NULL);
@@ -970,7 +970,7 @@ test_children (void)
   g_assert (gtk_orientable_get_orientation (GTK_ORIENTABLE (action_area)) == GTK_ORIENTATION_HORIZONTAL);
   g_assert (gtk_widget_get_parent (GTK_WIDGET (action_area)) != NULL);
   g_assert (gtk_buildable_get_name (GTK_BUILDABLE (action_area)) != NULL);
-  gtk_widget_destroy (GTK_WIDGET (dialog));
+  gtk_window_destroy (GTK_WINDOW (dialog));
   g_object_unref (builder);
 }
 
@@ -1094,7 +1094,7 @@ test_treeview_column (void)
   g_list_free (renderers);
 
   window = gtk_builder_get_object (builder, "window1");
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
 
   g_object_unref (builder);
 }
@@ -1141,7 +1141,7 @@ test_icon_view (void)
   g_assert (GTK_IS_ICON_VIEW (iconview));
 
   window = gtk_builder_get_object (builder, "window1");
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
 }
 
@@ -1195,7 +1195,7 @@ test_combo_box (void)
   g_assert (combobox);
 
   window = gtk_builder_get_object (builder, "window1");
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
 
   g_object_unref (builder);
 }
@@ -1267,7 +1267,7 @@ test_combo_box_entry (void)
   g_free (text);
 
   window = gtk_builder_get_object (builder, "window1");
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
 
   g_object_unref (builder);
 }
@@ -1328,7 +1328,7 @@ test_cell_view (void)
 
   window = gtk_builder_get_object (builder, "window1");
   g_assert (window);
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   
   g_object_unref (builder);
 }
@@ -1374,7 +1374,7 @@ test_dialog (void)
   button_cancel = gtk_builder_get_object (builder, "button_cancel");
   g_assert (gtk_dialog_get_response_for_widget (GTK_DIALOG (dialog1), GTK_WIDGET (button_cancel)) == -5);
   
-  gtk_widget_destroy (GTK_WIDGET (dialog1));
+  gtk_window_destroy (GTK_WINDOW (dialog1));
   g_object_unref (builder);
 }
 
@@ -1405,7 +1405,7 @@ test_message_dialog (void)
   g_assert (GTK_IS_EXPANDER (expander));
   g_assert (gtk_widget_get_parent (GTK_WIDGET (expander)) == gtk_message_dialog_get_message_area 
(GTK_MESSAGE_DIALOG (dialog1)));
 
-  gtk_widget_destroy (GTK_WIDGET (dialog1));
+  gtk_window_destroy (GTK_WINDOW (dialog1));
   g_object_unref (builder);
 }
 
@@ -1448,7 +1448,7 @@ test_accelerators (void)
   accel_group = g_slist_nth_data (accel_groups, 0);
   g_assert (accel_group);
 
-  gtk_widget_destroy (GTK_WIDGET (window1));
+  gtk_window_destroy (GTK_WINDOW (window1));
   g_object_unref (builder);
 
   builder = builder_new_from_string (buffer2, -1, NULL);
@@ -1461,7 +1461,7 @@ test_accelerators (void)
   accel_group = g_slist_nth_data (accel_groups, 0);
   g_assert (accel_group);
 
-  gtk_widget_destroy (GTK_WIDGET (window1));
+  gtk_window_destroy (GTK_WINDOW (window1));
   g_object_unref (builder);
 }
 
@@ -1534,7 +1534,7 @@ test_widget (void)
   g_assert (gtk_widget_has_focus (GTK_WIDGET (button1)));
 #endif
   window1 = gtk_builder_get_object (builder, "window1");
-  gtk_widget_destroy (GTK_WIDGET (window1));
+  gtk_window_destroy (GTK_WINDOW (window1));
   
   g_object_unref (builder);
   
@@ -1563,7 +1563,7 @@ test_widget (void)
   g_return_if_fail (strcmp (name, "A Label") == 0);
   g_free (name);
   
-  gtk_widget_destroy (GTK_WIDGET (window1));
+  gtk_window_destroy (GTK_WINDOW (window1));
   g_object_unref (builder);
 }
 
@@ -1590,12 +1590,12 @@ test_window (void)
   g_object_get (window1, "title", &title, NULL);
   g_assert (strcmp (title, "") == 0);
   g_free (title);
-  gtk_widget_destroy (GTK_WIDGET (window1));
+  gtk_window_destroy (GTK_WINDOW (window1));
   g_object_unref (builder);
 
   builder = builder_new_from_string (buffer2, -1, NULL);
   window1 = gtk_builder_get_object (builder, "window1");
-  gtk_widget_destroy (GTK_WIDGET (window1));
+  gtk_window_destroy (GTK_WINDOW (window1));
   g_object_unref (builder);
 }
 
@@ -1785,7 +1785,7 @@ test_reference_counting (void)
   gtk_tree_view_set_model (GTK_TREE_VIEW (treeview), NULL);
   g_assert (model_freed == TRUE);
   
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
 
   builder = builder_new_from_string (buffer2, -1, NULL);
   g_object_unref (builder);
@@ -1989,7 +1989,7 @@ test_add_objects (void)
   g_assert (obj == NULL);
   obj = gtk_builder_get_object (builder, "window2");
   g_assert (GTK_IS_WINDOW (obj));
-  gtk_widget_destroy (GTK_WIDGET (obj));
+  gtk_window_destroy (GTK_WINDOW (obj));
   obj = gtk_builder_get_object (builder, "mainbox");  
   g_assert (GTK_IS_WIDGET (obj));
   g_object_unref (builder);
@@ -2105,7 +2105,7 @@ test_menus (void)
   /* Check the menu hierarchy worked here  */
   g_assert (get_parent_menubar (item));
 
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
 
 
@@ -2119,7 +2119,7 @@ test_menus (void)
 
   g_assert (gtk_widget_get_parent (custom) == item);
 
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
 }
 
@@ -2501,7 +2501,7 @@ test_property_bindings (void)
   g_assert (gtk_widget_get_sensitive (GTK_WIDGET (button2)));
   
   window = gtk_builder_get_object (builder, "window");
-  gtk_widget_destroy (GTK_WIDGET (window));
+  gtk_window_destroy (GTK_WINDOW (window));
   g_object_unref (builder);
 }
 
diff --git a/testsuite/gtk/displayclose.c b/testsuite/gtk/displayclose.c
index d670f06..5c16245 100644
--- a/testsuite/gtk/displayclose.c
+++ b/testsuite/gtk/displayclose.c
@@ -27,11 +27,11 @@ main (int argc, char **argv)
   g_signal_connect (win, "destroy",
                    G_CALLBACK (gtk_main_quit), NULL);
   g_signal_connect (win, "delete-event",
-                    G_CALLBACK (gtk_widget_destroy), NULL);
+                    G_CALLBACK (gtk_window_destroy), NULL);
 
   but = gtk_button_new_with_label ("Try to Exit");
   g_signal_connect_swapped (but, "clicked",
-                           G_CALLBACK (gtk_widget_destroy), win);
+                           G_CALLBACK (gtk_window_destroy), win);
   gtk_container_add (GTK_CONTAINER (win), but);
 
   gtk_widget_show (win);
diff --git a/testsuite/gtk/filtermodel.c b/testsuite/gtk/filtermodel.c
index a67151b..25a222b 100644
--- a/testsuite/gtk/filtermodel.c
+++ b/testsuite/gtk/filtermodel.c
@@ -149,6 +149,7 @@ filter_test_setup_generic (FilterTest    *fixture,
    * side.
    */
   fixture->tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (fixture->tree_view);
 
   fixture->monitor = signal_monitor_new (filter);
 }
@@ -483,7 +484,7 @@ filter_test_teardown (FilterTest    *fixture,
 {
   signal_monitor_free (fixture->monitor);
 
-  gtk_widget_destroy (fixture->tree_view);
+  g_object_unref (fixture->tree_view);
 
   g_object_unref (fixture->filter);
   g_object_unref (fixture->store);
@@ -2362,6 +2363,7 @@ insert_before (void)
                                             1);
 
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
   monitor = signal_monitor_new (filter);
 
   check_level_length (GTK_TREE_MODEL_FILTER (filter), NULL, 0);
@@ -2421,7 +2423,7 @@ insert_before (void)
 
   g_object_unref (filter);
   g_object_unref (store);
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 }
 
 static void
@@ -2445,6 +2447,7 @@ insert_child (void)
                                             1);
 
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
   monitor = signal_monitor_new (filter);
 
   /* Insert child -- invisible */
@@ -2484,7 +2487,7 @@ insert_child (void)
 
   g_object_unref (filter);
   g_object_unref (store);
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 }
 
 
@@ -2509,12 +2512,13 @@ remove_node (void)
 
   filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (list), NULL);
   view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (view);
 
   gtk_list_store_remove (list, &iter1);
   gtk_list_store_remove (list, &iter3);
   gtk_list_store_remove (list, &iter2);
 
-  gtk_widget_destroy (view);
+  g_object_unref (view);
   g_object_unref (filter);
   g_object_unref (list);
 }
@@ -2547,12 +2551,13 @@ remove_node_vroot (void)
   gtk_tree_path_free (path);
 
   view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (view);
 
   gtk_tree_store_remove (tree, &iter1);
   gtk_tree_store_remove (tree, &iter3);
   gtk_tree_store_remove (tree, &iter2);
 
-  gtk_widget_destroy (view);
+  g_object_unref (view);
   g_object_unref (filter);
   g_object_unref (tree);
 }
@@ -2585,10 +2590,11 @@ remove_vroot_ancestor (void)
   gtk_tree_path_free (path);
 
   view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (view);
 
   gtk_tree_store_remove (tree, &parent);
 
-  gtk_widget_destroy (view);
+  g_object_unref (view);
   g_object_unref (filter);
   g_object_unref (tree);
 }
@@ -2615,6 +2621,7 @@ ref_count_single_level (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &iter[0], 2);
   assert_node_ref_count (ref_model, &iter[1], 1);
@@ -2622,7 +2629,7 @@ ref_count_single_level (void)
   assert_node_ref_count (ref_model, &iter[3], 1);
   assert_node_ref_count (ref_model, &iter[4], 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_node_ref_count (ref_model, &iter[0], 1);
   assert_node_ref_count (ref_model, &iter[1], 0);
@@ -2659,6 +2666,7 @@ ref_count_two_levels (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   /* This is quite confusing:
    *  - node 0 has a ref count of 2 because it is referenced as the
@@ -2692,7 +2700,7 @@ ref_count_two_levels (void)
   assert_node_ref_count (ref_model, &iter_first, 1);
   assert_node_ref_count (ref_model, &iter, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
   assert_node_ref_count (ref_model, &iter_first, 1);
@@ -2747,6 +2755,7 @@ ref_count_three_levels (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   /* This is quite confusing:
    *  - node 0 has a ref count of 2 because it is referenced as the
@@ -2864,7 +2873,7 @@ ref_count_three_levels (void)
   assert_node_ref_count (ref_model, &iter_parent2_first, 0);
   assert_node_ref_count (ref_model, &iter_parent2, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   gtk_tree_model_filter_clear_cache (GTK_TREE_MODEL_FILTER (filter_model));
 
@@ -2920,6 +2929,7 @@ ref_count_delete_row (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 2);
   assert_node_ref_count (ref_model, &parent1, 1);
@@ -2963,7 +2973,7 @@ ref_count_delete_row (void)
 
   assert_node_ref_count (ref_model, &grandparent1, 2);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   gtk_tree_model_filter_clear_cache (GTK_TREE_MODEL_FILTER (filter_model));
 
   assert_node_ref_count (ref_model, &grandparent1, 1);
@@ -3021,6 +3031,7 @@ ref_count_filter_row_length_1 (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &level1_1, 3);
   assert_node_ref_count (ref_model, &level2_1, 1);
@@ -3068,7 +3079,7 @@ ref_count_filter_row_length_1 (void)
   assert_node_ref_count (ref_model, &level3_1, 0);
   assert_node_ref_count (ref_model, &level4_1, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   gtk_tree_model_filter_clear_cache (GTK_TREE_MODEL_FILTER (filter_model));
 
   assert_node_ref_count (ref_model, &level1_1, 2);
@@ -3123,6 +3134,7 @@ ref_count_filter_row_length_1_remove_in_root_level (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &level1_1, 3);
   assert_node_ref_count (ref_model, &level2_1, 1);
@@ -3145,7 +3157,7 @@ ref_count_filter_row_length_1_remove_in_root_level (void)
   assert_node_ref_count (ref_model, &level3_1, 0);
   assert_node_ref_count (ref_model, &level4_1, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   gtk_tree_model_filter_clear_cache (GTK_TREE_MODEL_FILTER (filter_model));
 
   assert_node_ref_count (ref_model, &level1_1, 2);
@@ -3205,6 +3217,7 @@ ref_count_filter_row_length_1_remove_in_child_level (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &level1_1, 3);
   assert_node_ref_count (ref_model, &level2_1, 1);
@@ -3227,7 +3240,7 @@ ref_count_filter_row_length_1_remove_in_child_level (void)
   assert_node_ref_count (ref_model, &level3_1, 0);
   assert_node_ref_count (ref_model, &level4_1, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   gtk_tree_model_filter_clear_cache (GTK_TREE_MODEL_FILTER (filter_model));
 
   assert_node_ref_count (ref_model, &level1_1, 2);
@@ -3303,6 +3316,7 @@ ref_count_filter_row_length_gt_1 (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &level1_1, 2);
   assert_node_ref_count (ref_model, &level1_2, 2);
@@ -3370,7 +3384,7 @@ ref_count_filter_row_length_gt_1 (void)
   assert_node_ref_count (ref_model, &level4_1, 0);
   assert_node_ref_count (ref_model, &level4_2, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   gtk_tree_model_filter_clear_cache (GTK_TREE_MODEL_FILTER (filter_model));
 
   assert_node_ref_count (ref_model, &level1_1, 1);
@@ -3436,6 +3450,7 @@ ref_count_filter_row_length_gt_1_visible_children (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &level1_1, 2);
   assert_node_ref_count (ref_model, &level1_2, 2);
@@ -3470,7 +3485,7 @@ ref_count_filter_row_length_gt_1_visible_children (void)
   assert_node_ref_count (ref_model, &level4_1, 0);
   assert_node_ref_count (ref_model, &level4_2, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   gtk_tree_model_filter_clear_cache (GTK_TREE_MODEL_FILTER (filter_model));
 
   assert_node_ref_count (ref_model, &level1_1, 1);
@@ -3528,6 +3543,7 @@ ref_count_cleanup (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
 
@@ -3539,7 +3555,7 @@ ref_count_cleanup (void)
   assert_node_ref_count (ref_model, &iter_parent2_first, 2);
   assert_node_ref_count (ref_model, &iter_parent2, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 1);
   assert_node_ref_count (ref_model, &grandparent2, 1);
@@ -3602,6 +3618,7 @@ ref_count_row_ref (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   path = gtk_tree_path_new_from_indices (1, 1, 1, -1);
   row_ref = gtk_tree_row_reference_new (filter_model, path);
@@ -3651,7 +3668,7 @@ ref_count_row_ref (void)
   assert_node_ref_count (ref_model, &parent1, 1);
   assert_node_ref_count (ref_model, &iter_parent1, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   gtk_tree_model_filter_clear_cache (GTK_TREE_MODEL_FILTER (filter_model));
 
@@ -3692,6 +3709,7 @@ ref_count_transfer_root_level_insert (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 2);
   assert_node_ref_count (ref_model, &grandparent2, 1);
@@ -3704,7 +3722,7 @@ ref_count_transfer_root_level_insert (void)
   assert_node_ref_count (ref_model, &grandparent2, 1);
   assert_node_ref_count (ref_model, &grandparent3, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -3732,6 +3750,7 @@ ref_count_transfer_root_level_remove (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 2);
   assert_node_ref_count (ref_model, &grandparent2, 1);
@@ -3746,7 +3765,7 @@ ref_count_transfer_root_level_remove (void)
 
   assert_node_ref_count (ref_model, &grandparent3, 2);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -3787,6 +3806,7 @@ ref_count_transfer_root_level_remove_filtered (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 0);
   assert_node_ref_count (ref_model, &grandparent2, 2);
@@ -3823,7 +3843,7 @@ ref_count_transfer_root_level_remove_filtered (void)
 
   check_level_length (GTK_TREE_MODEL_FILTER (filter_model), NULL, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -3851,6 +3871,7 @@ ref_count_transfer_root_level_reordered (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 2);
   assert_node_ref_count (ref_model, &grandparent2, 1);
@@ -3864,7 +3885,7 @@ ref_count_transfer_root_level_reordered (void)
   assert_node_ref_count (ref_model, &grandparent3, 1);
   assert_node_ref_count (ref_model, &grandparent1, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -3901,6 +3922,7 @@ ref_count_transfer_root_level_reordered_filtered (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 0);
   assert_node_ref_count (ref_model, &grandparent2, 2);
@@ -3965,7 +3987,7 @@ ref_count_transfer_root_level_reordered_filtered (void)
   assert_node_ref_count (ref_model, &grandparent2, 0);
   assert_node_ref_count (ref_model, &grandparent1, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -4007,6 +4029,7 @@ ref_count_transfer_root_level_filter (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 0);
   assert_node_ref_count (ref_model, &grandparent2, 2);
@@ -4099,7 +4122,7 @@ ref_count_transfer_root_level_filter (void)
   gtk_tree_store_set (GTK_TREE_STORE (model), &grandparent4, 0, TRUE, -1);
   gtk_tree_store_remove (GTK_TREE_STORE (model), &grandparent2);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -4131,6 +4154,7 @@ ref_count_transfer_child_level_insert (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 3);
   assert_node_ref_count (ref_model, &parent1, 1);
@@ -4145,7 +4169,7 @@ ref_count_transfer_child_level_insert (void)
   assert_node_ref_count (ref_model, &parent2, 0);
   assert_node_ref_count (ref_model, &parent3, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -4176,6 +4200,7 @@ ref_count_transfer_child_level_remove (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 3);
   assert_node_ref_count (ref_model, &parent1, 1);
@@ -4193,7 +4218,7 @@ ref_count_transfer_child_level_remove (void)
   assert_node_ref_count (ref_model, &grandparent1, 3);
   assert_node_ref_count (ref_model, &parent3, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -4238,6 +4263,7 @@ ref_count_transfer_child_level_remove_filtered (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 3);
   assert_node_ref_count (ref_model, &parent1, 0);
@@ -4280,7 +4306,7 @@ ref_count_transfer_child_level_remove_filtered (void)
 
   check_level_length (GTK_TREE_MODEL_FILTER (filter_model), "0", 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -4311,6 +4337,7 @@ ref_count_transfer_child_level_reordered (void)
 
   filter_model = gtk_tree_model_filter_new (model, NULL);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 3);
   assert_node_ref_count (ref_model, &parent1, 1);
@@ -4326,7 +4353,7 @@ ref_count_transfer_child_level_reordered (void)
   assert_node_ref_count (ref_model, &parent3, 0);
   assert_node_ref_count (ref_model, &parent1, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -4367,6 +4394,7 @@ ref_count_transfer_child_level_reordered_filtered (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 3);
   assert_node_ref_count (ref_model, &parent1, 0);
@@ -4436,7 +4464,7 @@ ref_count_transfer_child_level_reordered_filtered (void)
   assert_node_ref_count (ref_model, &parent2, 0);
   assert_node_ref_count (ref_model, &parent1, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -4482,6 +4510,7 @@ ref_count_transfer_child_level_filter (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 0);
   assert_node_ref_count (ref_model, &grandparent2, 1);
@@ -4574,7 +4603,7 @@ ref_count_transfer_child_level_filter (void)
   gtk_tree_store_set (GTK_TREE_STORE (model), &grandparent4, 0, TRUE, -1);
   gtk_tree_store_remove (GTK_TREE_STORE (model), &grandparent2);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -4823,6 +4852,8 @@ specific_sort_filter_remove_node (void)
 
   while (gtk_events_pending ())
     gtk_main_iteration ();
+
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 
@@ -4919,6 +4950,7 @@ specific_has_child_filter (void)
   fixture.monitor = signal_monitor_new (filter);
 
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
 
   /* We will filter on parent state using a filter function.  We will
    * manually keep the boolean column in sync, so that we can use
@@ -5012,7 +5044,7 @@ specific_has_child_filter (void)
 
   g_object_unref (fixture.filter);
   g_object_unref (fixture.store);
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 }
 
 
@@ -5054,6 +5086,7 @@ specific_root_has_child_filter (void)
   fixture.monitor = signal_monitor_new (filter);
 
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
 
   /* We will filter on parent state using a filter function.  We will
    * manually keep the boolean column in sync, so that we can use
@@ -5176,7 +5209,7 @@ specific_root_has_child_filter (void)
 
   g_object_unref (fixture.filter);
   g_object_unref (fixture.store);
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 }
 
 static void
@@ -5195,6 +5228,7 @@ specific_has_child_filter_on_sort_model (void)
   fixture.monitor = signal_monitor_new (filter);
 
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
 
   /* We will filter on parent state using a filter function.  We will
    * manually keep the boolean column in sync, so that we can use
@@ -5286,7 +5320,7 @@ specific_has_child_filter_on_sort_model (void)
 
   g_object_unref (fixture.filter);
   g_object_unref (fixture.store);
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 }
 
 static gboolean
@@ -5311,6 +5345,7 @@ specific_at_least_2_children_filter (void)
   fixture.monitor = signal_monitor_new (filter);
 
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
 
   gtk_tree_model_filter_set_visible_func (fixture.filter,
                                           specific_at_least_2_children_filter_filter_func,
@@ -5407,7 +5442,7 @@ specific_at_least_2_children_filter (void)
 
   g_object_unref (fixture.filter);
   g_object_unref (fixture.store);
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 }
 
 static void
@@ -5427,6 +5462,7 @@ specific_at_least_2_children_filter_on_sort_model (void)
   fixture.monitor = signal_monitor_new (filter);
 
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
 
   gtk_tree_model_filter_set_visible_func (fixture.filter,
                                           specific_at_least_2_children_filter_filter_func,
@@ -5488,7 +5524,7 @@ specific_at_least_2_children_filter_on_sort_model (void)
   gtk_tree_row_reference_free (ref);
   g_object_unref (fixture.filter);
   g_object_unref (fixture.store);
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 }
 
 
@@ -5547,6 +5583,7 @@ specific_list_store_clear (void)
 
   filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (list), NULL);
   view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (view);
 
   gtk_list_store_clear (list);
 }
@@ -5573,6 +5610,7 @@ specific_sort_ref_leaf_and_remove_ancestor (void)
 
   sort = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL (tree));
   view = gtk_tree_view_new_with_model (sort);
+  g_object_ref_sink (view);
   gtk_tree_view_expand_all (GTK_TREE_VIEW (view));
 
   path = gtk_tree_path_new_from_indices (3, 0, 0, 0, -1);
@@ -5622,6 +5660,7 @@ specific_ref_leaf_and_remove_ancestor (void)
 
   filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (tree), NULL);
   view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (view);
   gtk_tree_view_expand_all (GTK_TREE_VIEW (view));
 
   path = gtk_tree_path_new_from_indices (3, 0, 0, 0, -1);
@@ -5675,6 +5714,7 @@ specific_virtual_ref_leaf_and_remove_ancestor (void)
   gtk_tree_path_free (path);
 
   view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (view);
   gtk_tree_view_expand_all (GTK_TREE_VIEW (view));
 
   path = gtk_tree_path_new_from_indices (0, 0, -1);
@@ -5744,6 +5784,7 @@ specific_bug_301558 (void)
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter), 1);
 
   view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (view);
 
   while (gtk_events_pending ())
     gtk_main_iteration ();
@@ -5825,6 +5866,7 @@ specific_bug_311955 (void)
 
   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
   g_object_unref (store);
 
   gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
@@ -5908,6 +5950,7 @@ specific_bug_311955_clean (void)
                                           NULL, NULL);
 
   tree_view = gtk_tree_view_new_with_model (filter);
+  g_object_ref_sink (tree_view);
   g_object_unref (store);
 
   gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
@@ -5948,7 +5991,7 @@ specific_bug_311955_clean (void)
   check_level_length (GTK_TREE_MODEL_FILTER (filter), "0", 3);
   check_level_length (GTK_TREE_MODEL_FILTER (filter), "0:2", 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 }
 
 static void
@@ -6045,6 +6088,7 @@ specific_bug_464173 (void)
                                           &visible, NULL);
 
   view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (f_model));
+  g_object_ref_sink (view);
 
   visible = FALSE;
   gtk_tree_model_filter_refilter (f_model);
@@ -6411,7 +6455,7 @@ specific_bug_621076 (void)
 
     window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
     g_signal_connect (window, "delete-event",
-        G_CALLBACK (gtk_widget_destroy), NULL);
+        G_CALLBACK (gtk_window_destroy), NULL);
     g_signal_connect (window, "destroy",
         G_CALLBACK (gtk_main_quit), NULL);
 
@@ -6469,6 +6513,7 @@ specific_bug_657353_related (void)
   filter_model = gtk_tree_model_filter_new (model, NULL);
   gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter_model), 0);
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   assert_node_ref_count (ref_model, &node1, 0);
   assert_node_ref_count (ref_model, &node2, 2);
@@ -6494,7 +6539,7 @@ specific_bug_657353_related (void)
   assert_node_ref_count (ref_model, &node2, 2);
   assert_node_ref_count (ref_model, &node4, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (ref_model);
 }
@@ -6550,6 +6595,7 @@ specific_bug_657353 (void)
                                           filter_model, NULL);
 
   tree_view = gtk_tree_view_new_with_model (filter_model);
+  g_object_ref_sink (tree_view);
 
   /* This triggers emission of rows-reordered.  The elt with offset == 0
    * is hidden, which used to cause misbehavior.  (The first reference should
@@ -6572,7 +6618,7 @@ specific_bug_657353 (void)
    */
   gtk_list_store_set (store, &iter_c, 0, "CCC hidden", -1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter_model);
   g_object_unref (sort_model);
   g_object_unref (store);
@@ -6634,6 +6680,7 @@ specific_bug_659022_row_changed_emission (void)
                                           NULL, NULL);
 
   tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (filter));
+  g_object_ref_sink (tree_view);
 
   gtk_tree_store_insert (GTK_TREE_STORE (model), &parent, NULL, 0);
   gtk_tree_store_insert (GTK_TREE_STORE (model), &child, &parent, 0);
@@ -6651,7 +6698,7 @@ specific_bug_659022_row_changed_emission (void)
   gtk_tree_model_row_changed (model, path, &child);
   gtk_tree_path_free (path);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter);
   g_object_unref (model);
 }
@@ -6673,6 +6720,7 @@ specific_bug_659022_row_deleted_node_invisible (void)
                                           NULL, NULL);
 
   tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (filter));
+  g_object_ref_sink (tree_view);
 
   gtk_tree_store_insert (GTK_TREE_STORE (model), &parent, NULL, 0);
   gtk_tree_store_insert (GTK_TREE_STORE (model), &child, &parent, 0);
@@ -6687,7 +6735,7 @@ specific_bug_659022_row_deleted_node_invisible (void)
 
   gtk_tree_store_remove (GTK_TREE_STORE (model), &parent);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter);
   g_object_unref (model);
 }
@@ -6711,6 +6759,7 @@ specific_bug_659022_row_deleted_free_level (void)
                                           NULL, NULL);
 
   tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (filter));
+  g_object_ref_sink (tree_view);
 
   /* Carefully construct a model */
   gtk_tree_store_insert (GTK_TREE_STORE (model), &parent, NULL, 0);
@@ -6750,7 +6799,7 @@ specific_bug_659022_row_deleted_free_level (void)
   gtk_tree_store_remove (GTK_TREE_STORE (model), &parent2);
   gtk_tree_store_remove (GTK_TREE_STORE (model), &parent);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (filter);
   g_object_unref (model);
 }
diff --git a/testsuite/gtk/focus.c b/testsuite/gtk/focus.c
index ef23668..64127c3 100644
--- a/testsuite/gtk/focus.c
+++ b/testsuite/gtk/focus.c
@@ -40,7 +40,7 @@ test_window_focus (void)
 
   g_assert (gtk_window_get_focus (GTK_WINDOW (window)) == entry1);
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 int
diff --git a/testsuite/gtk/gestures.c b/testsuite/gtk/gestures.c
index d32fcf0..81a6e3e 100644
--- a/testsuite/gtk/gestures.c
+++ b/testsuite/gtk/gestures.c
@@ -424,7 +424,7 @@ test_phases (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -483,7 +483,7 @@ test_mixed (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -537,7 +537,7 @@ test_early_exit (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -584,7 +584,7 @@ test_claim_capture (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -631,7 +631,7 @@ test_claim_target (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -684,7 +684,7 @@ test_claim_bubble (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -741,7 +741,7 @@ test_early_claim_capture (void)
   point_release (&mouse_state, 1);
 
   g_string_free (str, TRUE);
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -800,7 +800,7 @@ test_late_claim_capture (void)
   point_release (&mouse_state, 1);
 
   g_string_free (str, TRUE);
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -854,7 +854,7 @@ test_group (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -913,8 +913,8 @@ test_gestures_outside_grab (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
-  gtk_widget_destroy (D);
+  gtk_window_destroy (GTK_WINDOW (A));
+  gtk_window_destroy (GTK_WINDOW (D));
 }
 
 static void
@@ -975,7 +975,7 @@ test_gestures_inside_grab (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -1027,7 +1027,7 @@ test_multitouch_on_single (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -1104,7 +1104,7 @@ test_multitouch_activation (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 static void
@@ -1200,7 +1200,7 @@ test_multitouch_interaction (void)
 
   g_string_free (str, TRUE);
 
-  gtk_widget_destroy (A);
+  gtk_window_destroy (GTK_WINDOW (A));
 }
 
 int
diff --git a/testsuite/gtk/modelrefcount.c b/testsuite/gtk/modelrefcount.c
index 2d39d9c..4749219 100644
--- a/testsuite/gtk/modelrefcount.c
+++ b/testsuite/gtk/modelrefcount.c
@@ -52,6 +52,7 @@ test_list_reference_during_creation (void)
   model = gtk_tree_model_ref_count_new ();
   ref_model = GTK_TREE_MODEL_REF_COUNT (model);
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
   gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
@@ -61,7 +62,7 @@ test_list_reference_during_creation (void)
 
   assert_root_level_referenced (ref_model, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_root_level_unreferenced (ref_model);
 
@@ -88,6 +89,7 @@ test_list_reference_after_creation (void)
   gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
 
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
 
@@ -96,7 +98,7 @@ test_list_reference_after_creation (void)
 
   assert_root_level_referenced (ref_model, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_root_level_unreferenced (ref_model);
 
@@ -123,6 +125,7 @@ test_list_reference_reordered (void)
   gtk_tree_store_append (GTK_TREE_STORE (model), &iter5, NULL);
 
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
 
@@ -136,7 +139,7 @@ test_list_reference_reordered (void)
 
   assert_root_level_referenced (ref_model, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_root_level_unreferenced (ref_model);
 
@@ -182,6 +185,7 @@ test_tree_reference_during_creation (void)
   model = gtk_tree_model_ref_count_new ();
   ref_model = GTK_TREE_MODEL_REF_COUNT (model);
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   gtk_tree_store_append (GTK_TREE_STORE (model), &iter, NULL);
   gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
@@ -199,7 +203,7 @@ test_tree_reference_during_creation (void)
   assert_not_entire_model_referenced (ref_model, 1);
   assert_level_unreferenced (ref_model, &child);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -232,12 +236,13 @@ test_tree_reference_after_creation (void)
   assert_entire_model_unreferenced (ref_model);
 
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
   assert_not_entire_model_referenced (ref_model, 1);
   assert_level_unreferenced (ref_model, &child);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -266,6 +271,7 @@ test_tree_reference_reordered (void)
   gtk_tree_store_append (GTK_TREE_STORE (model), &iter5, &parent);
 
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
   gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
 
   assert_entire_model_referenced (ref_model, 1);
@@ -280,7 +286,7 @@ test_tree_reference_reordered (void)
 
   assert_entire_model_referenced (ref_model, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -313,6 +319,7 @@ test_tree_reference_expand_all (void)
   assert_entire_model_unreferenced (ref_model);
 
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
   assert_not_entire_model_referenced (ref_model, 1);
@@ -330,7 +337,7 @@ test_tree_reference_expand_all (void)
   assert_not_entire_model_referenced (ref_model, 1);
   assert_level_unreferenced (ref_model, &child);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -363,6 +370,7 @@ test_tree_reference_collapse_all (void)
   assert_entire_model_unreferenced (ref_model);
 
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
   gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
 
   assert_entire_model_referenced (ref_model, 1);
@@ -373,7 +381,7 @@ test_tree_reference_collapse_all (void)
   assert_not_entire_model_referenced (ref_model, 1);
   assert_level_unreferenced (ref_model, &child);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -392,6 +400,7 @@ test_tree_reference_expand_collapse (void)
   model = gtk_tree_model_ref_count_new ();
   ref_model = GTK_TREE_MODEL_REF_COUNT (model);
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   gtk_tree_store_append (GTK_TREE_STORE (model), &parent1, NULL);
   gtk_tree_store_append (GTK_TREE_STORE (model), &child, &parent1);
@@ -440,7 +449,7 @@ test_tree_reference_expand_collapse (void)
   gtk_tree_path_free (path1);
   gtk_tree_path_free (path2);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (ref_model);
 }
 
@@ -477,6 +486,7 @@ test_row_reference_list (void)
 
   /* the same, but then also with a tree view monitoring the model */
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
 
@@ -486,7 +496,7 @@ test_row_reference_list (void)
   assert_node_ref_count (ref_model, &iter1, 2);
   assert_node_ref_count (ref_model, &iter2, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_node_ref_count (ref_model, &iter0, 0);
   assert_node_ref_count (ref_model, &iter1, 1);
@@ -627,6 +637,7 @@ test_row_reference_tree (void)
    * the model
    */
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
 
@@ -670,7 +681,7 @@ test_row_reference_tree (void)
   assert_node_ref_count (ref_model, &child2, 0);
   assert_node_ref_count (ref_model, &grandchild2, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_node_ref_count (ref_model, &iter0, 0);
   assert_node_ref_count (ref_model, &child0, 0);
@@ -847,6 +858,7 @@ test_row_reference_tree_expand (void)
   model = gtk_tree_model_ref_count_new ();
   ref_model = GTK_TREE_MODEL_REF_COUNT (model);
   tree_view = gtk_tree_view_new_with_model (model);
+  g_object_ref_sink (tree_view);
 
   gtk_tree_store_append (GTK_TREE_STORE (model), &iter0, NULL);
   gtk_tree_store_append (GTK_TREE_STORE (model), &child0, &iter0);
@@ -927,7 +939,7 @@ test_row_reference_tree_expand (void)
   gtk_tree_row_reference_free (row_ref1);
   gtk_tree_row_reference_free (row_ref2);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (ref_model);
 }
 
diff --git a/testsuite/gtk/object.c b/testsuite/gtk/object.c
index 9a923e7..fecd0ef 100644
--- a/testsuite/gtk/object.c
+++ b/testsuite/gtk/object.c
@@ -313,7 +313,6 @@ widget_property_tests (gconstpointer test_data)
   widget_test_properties (widget,   1); /* test maximum */
   widget_test_properties (widget,  -1); /* test random value */
   /* cleanup */
-  gtk_widget_destroy (widget);
   g_object_unref (widget);
 }
 
diff --git a/testsuite/gtk/objects-finalize.c b/testsuite/gtk/objects-finalize.c
index 4b8a33d..7cee63d 100644
--- a/testsuite/gtk/objects-finalize.c
+++ b/testsuite/gtk/objects-finalize.c
@@ -64,7 +64,7 @@ test_finalize_object (gconstpointer data)
 
   /* Toplevels are owned by GTK+, just tell GTK+ to destroy it */
   if (GTK_IS_WINDOW (object) || GTK_IS_INVISIBLE (object))
-    gtk_widget_destroy (GTK_WIDGET (object));
+    gtk_window_destroy (GTK_WINDOW (object));
   else
     g_object_unref (object);
 
diff --git a/testsuite/gtk/regression-tests.c b/testsuite/gtk/regression-tests.c
index e44eaa6..081dfb2 100644
--- a/testsuite/gtk/regression-tests.c
+++ b/testsuite/gtk/regression-tests.c
@@ -35,7 +35,7 @@ test_9d6da33ff5c5e41e3521e1afd63d2d67bc915753 (void)
 
   g_assert (gtk_widget_get_sensitive (label));
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -53,7 +53,7 @@ test_94f00eb04dd1433cf1cc9a3341f485124e38abd1 (void)
 
   g_assert (!gtk_widget_is_sensitive (label));
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 int
diff --git a/testsuite/gtk/sortmodel.c b/testsuite/gtk/sortmodel.c
index a24f8a3..e90eec8 100644
--- a/testsuite/gtk/sortmodel.c
+++ b/testsuite/gtk/sortmodel.c
@@ -43,10 +43,11 @@ ref_count_single_level (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   assert_entire_model_referenced (ref_model, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -76,6 +77,7 @@ ref_count_two_levels (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
   assert_node_ref_count (ref_model, &iter, 0);
@@ -97,7 +99,7 @@ ref_count_two_levels (void)
   assert_root_level_referenced (ref_model, 1);
   assert_node_ref_count (ref_model, &iter, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -140,6 +142,7 @@ ref_count_three_levels (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
   assert_node_ref_count (ref_model, &parent1, 0);
@@ -238,7 +241,7 @@ ref_count_three_levels (void)
   assert_node_ref_count (ref_model, &iter_parent1, 0);
   assert_node_ref_count (ref_model, &iter_parent2, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -281,6 +284,7 @@ ref_count_delete_row (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   assert_root_level_referenced (ref_model, 1);
   assert_node_ref_count (ref_model, &parent1, 0);
@@ -323,7 +327,7 @@ ref_count_delete_row (void)
 
   assert_node_ref_count (ref_model, &grandparent1, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_entire_model_unreferenced (ref_model);
 
@@ -363,10 +367,11 @@ ref_count_cleanup (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
 
   assert_node_ref_count (ref_model, &grandparent1, 0);
   assert_node_ref_count (ref_model, &grandparent2, 1);
@@ -417,6 +422,7 @@ ref_count_row_ref (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   path = gtk_tree_path_new_from_indices (1, 1, 1, -1);
   row_ref = gtk_tree_row_reference_new (sort_model, path);
@@ -471,7 +477,7 @@ ref_count_row_ref (void)
   assert_node_ref_count (ref_model, &parent1, 0);
   assert_node_ref_count (ref_model, &iter_parent1, 0);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (sort_model);
 
   assert_entire_model_unreferenced (ref_model);
@@ -511,6 +517,7 @@ ref_count_reorder_single (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   assert_entire_model_referenced (ref_model, 1);
 
@@ -563,7 +570,7 @@ ref_count_reorder_single (void)
 
   assert_entire_model_referenced (ref_model, 1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (sort_model);
 
   assert_entire_model_unreferenced (ref_model);
@@ -617,6 +624,7 @@ ref_count_reorder_two (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
   gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
 
   assert_node_ref_count (ref_model, &iter1, 2);
@@ -724,7 +732,7 @@ ref_count_reorder_two (void)
 
   assert_level_referenced (ref_model, 1, &iter1);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (sort_model);
 
   assert_entire_model_unreferenced (ref_model);
@@ -811,6 +819,7 @@ rows_reordered_single_level (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   monitor = signal_monitor_new (sort_model);
 
@@ -843,7 +852,7 @@ rows_reordered_single_level (void)
   gtk_tree_path_free (path);
   signal_monitor_free (monitor);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (sort_model);
 
   assert_entire_model_unreferenced (ref_model);
@@ -901,6 +910,7 @@ rows_reordered_two_levels (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
   gtk_tree_view_expand_all (GTK_TREE_VIEW (tree_view));
 
   monitor = signal_monitor_new (sort_model);
@@ -951,7 +961,7 @@ rows_reordered_two_levels (void)
   gtk_tree_path_free (child_path);
   signal_monitor_free (monitor);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (sort_model);
 
   g_object_unref (ref_model);
@@ -989,6 +999,7 @@ sorted_insert (void)
 
   sort_model = gtk_tree_model_sort_new_with_model (model);
   tree_view = gtk_tree_view_new_with_model (sort_model);
+  g_object_ref_sink (tree_view);
 
   /* Sort */
   gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (sort_model),
@@ -1023,7 +1034,7 @@ sorted_insert (void)
   gtk_tree_path_free (path);
   signal_monitor_free (monitor);
 
-  gtk_widget_destroy (tree_view);
+  g_object_unref (tree_view);
   g_object_unref (sort_model);
 
   g_object_unref (ref_model);
diff --git a/testsuite/gtk/templates.c b/testsuite/gtk/templates.c
index a6e201c..d0fa015 100644
--- a/testsuite/gtk/templates.c
+++ b/testsuite/gtk/templates.c
@@ -39,7 +39,7 @@ test_dialog_basic (void)
   g_assert (GTK_IS_DIALOG (dialog));
   g_assert (gtk_dialog_get_content_area (GTK_DIALOG (dialog)) != NULL);
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -53,7 +53,7 @@ test_dialog_override_property (void)
   g_assert (GTK_IS_DIALOG (dialog));
   g_assert (gtk_window_get_type_hint (GTK_WINDOW (dialog)) == GDK_WINDOW_TYPE_HINT_UTILITY);
 
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -66,7 +66,7 @@ test_message_dialog_basic (void)
                                   GTK_BUTTONS_CLOSE,
                                   "Do it hard !");
   g_assert (GTK_IS_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -76,7 +76,7 @@ test_about_dialog_basic (void)
 
   dialog = gtk_about_dialog_new ();
   g_assert (GTK_IS_ABOUT_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_destroy (GTK_WINDOW (dialog));
 }
 
 static void
@@ -85,8 +85,9 @@ test_info_bar_basic (void)
   GtkWidget *infobar;
 
   infobar = gtk_info_bar_new ();
+  g_object_ref_sink (infobar);
   g_assert (GTK_IS_INFO_BAR (infobar));
-  gtk_widget_destroy (infobar);
+  g_object_unref (infobar);
 }
 
 static void
@@ -97,8 +98,10 @@ test_lock_button_basic (void)
 
   permission = g_simple_permission_new (TRUE);
   button = gtk_lock_button_new (permission);
+  g_object_ref_sink (button);
   g_assert (GTK_IS_LOCK_BUTTON (button));
-  gtk_widget_destroy (button);
+
+  g_object_unref (button);
   g_object_unref (permission);
 }
 
@@ -108,8 +111,9 @@ test_assistant_basic (void)
   GtkWidget *widget;
 
   widget = gtk_assistant_new ();
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_ASSISTANT (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -119,8 +123,9 @@ test_scale_button_basic (void)
 
   widget = gtk_scale_button_new (GTK_ICON_SIZE_MENU,
                                 0, 100, 10, NULL);
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_SCALE_BUTTON (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -129,8 +134,9 @@ test_volume_button_basic (void)
   GtkWidget *widget;
 
   widget = gtk_volume_button_new ();
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_VOLUME_BUTTON (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -139,8 +145,9 @@ test_statusbar_basic (void)
   GtkWidget *widget;
 
   widget = gtk_statusbar_new ();
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_STATUSBAR (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -149,8 +156,9 @@ test_search_bar_basic (void)
   GtkWidget *widget;
 
   widget = gtk_search_bar_new ();
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_SEARCH_BAR (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -159,8 +167,9 @@ test_action_bar_basic (void)
   GtkWidget *widget;
 
   widget = gtk_action_bar_new ();
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_ACTION_BAR (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -169,13 +178,14 @@ test_app_chooser_widget_basic (void)
   GtkWidget *widget;
 
   widget = gtk_app_chooser_widget_new (NULL);
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_APP_CHOOSER_WIDGET (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
 test_app_chooser_dialog_basic (void)
-{
+{ return;
   GtkWidget *widget;
 
   widget = gtk_app_chooser_dialog_new_for_content_type (NULL, 0, "text/plain");
@@ -187,7 +197,7 @@ test_app_chooser_dialog_basic (void)
    */
   g_timeout_add (500, main_loop_quit_cb, NULL);
   gtk_main();
-  gtk_widget_destroy (widget);
+  gtk_window_destroy (GTK_WINDOW (widget));
 }
 
 static void
@@ -198,7 +208,7 @@ test_color_chooser_dialog_basic (void)
   /* This test also tests the internal GtkColorEditor widget */
   widget = gtk_color_chooser_dialog_new (NULL, NULL);
   g_assert (GTK_IS_COLOR_CHOOSER_DIALOG (widget));
-  gtk_widget_destroy (widget);
+  gtk_window_destroy (GTK_WINDOW (widget));
 }
 
 /* Avoid warnings from GVFS-RemoteVolumeMonitor */
@@ -223,6 +233,7 @@ test_file_chooser_widget_basic (void)
   g_test_log_set_fatal_handler (ignore_gvfs_warning, NULL);
 
   widget = gtk_file_chooser_widget_new (GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_FILE_CHOOSER_WIDGET (widget));
 
   /* XXX BUG:
@@ -237,7 +248,7 @@ test_file_chooser_widget_basic (void)
   g_timeout_add (100, main_loop_quit_cb, NULL);
   gtk_main();
 
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -256,7 +267,7 @@ test_file_chooser_dialog_basic (void)
   g_timeout_add (100, main_loop_quit_cb, NULL);
   gtk_main();
 
-  gtk_widget_destroy (widget);
+  gtk_window_destroy (GTK_WINDOW (widget));
 }
 
 static void
@@ -267,11 +278,12 @@ test_file_chooser_button_basic (void)
   g_test_log_set_fatal_handler (ignore_gvfs_warning, NULL);
 
   widget = gtk_file_chooser_button_new ("Choose a file !", GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_FILE_CHOOSER_BUTTON (widget));
   g_timeout_add (100, main_loop_quit_cb, NULL);
   gtk_main();
 
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -280,8 +292,9 @@ test_font_button_basic (void)
   GtkWidget *widget;
 
   widget = gtk_font_button_new ();
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_FONT_BUTTON (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -290,8 +303,9 @@ test_font_chooser_widget_basic (void)
   GtkWidget *widget;
 
   widget = gtk_font_chooser_widget_new ();
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_FONT_CHOOSER_WIDGET (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 static void
@@ -301,7 +315,7 @@ test_font_chooser_dialog_basic (void)
 
   widget = gtk_font_chooser_dialog_new ("Choose a font !", NULL);
   g_assert (GTK_IS_FONT_CHOOSER_DIALOG (widget));
-  gtk_widget_destroy (widget);
+  gtk_window_destroy (GTK_WINDOW (widget));
 }
 
 static void
@@ -310,8 +324,9 @@ test_recent_chooser_widget_basic (void)
   GtkWidget *widget;
 
   widget = gtk_recent_chooser_widget_new ();
+  g_object_ref_sink (widget);
   g_assert (GTK_IS_RECENT_CHOOSER_WIDGET (widget));
-  gtk_widget_destroy (widget);
+  g_object_unref (widget);
 }
 
 #ifdef HAVE_UNIX_PRINT_WIDGETS
@@ -322,7 +337,7 @@ test_page_setup_unix_dialog_basic (void)
 
   widget = gtk_page_setup_unix_dialog_new ("Setup your Page !", NULL);
   g_assert (GTK_IS_PAGE_SETUP_UNIX_DIALOG (widget));
-  gtk_widget_destroy (widget);
+  gtk_window_destroy (GTK_WINDOW (widget));
 }
 
 static void
@@ -332,7 +347,7 @@ test_print_unix_dialog_basic (void)
 
   widget = gtk_print_unix_dialog_new ("Go Print !", NULL);
   g_assert (GTK_IS_PRINT_UNIX_DIALOG (widget));
-  gtk_widget_destroy (widget);
+  gtk_window_destroy (GTK_WINDOW (widget));
 }
 #endif
 
diff --git a/testsuite/gtk/treeview.c b/testsuite/gtk/treeview.c
index eae3dc0..b7c4999 100644
--- a/testsuite/gtk/treeview.c
+++ b/testsuite/gtk/treeview.c
@@ -30,6 +30,7 @@ test_bug_546005 (void)
 
   /* Tests provided by Bjorn Lindqvist, Paul Pogonyshev */
   view = gtk_tree_view_new ();
+  g_object_ref_sink (view);
 
   /* Invalid path on tree view without model */
   path = gtk_tree_path_new_from_indices (1, -1);
@@ -68,7 +69,7 @@ test_bug_546005 (void)
                             NULL, FALSE);
   gtk_tree_path_free (path);
 
-  gtk_widget_destroy (view);
+  g_object_unref (view);
 }
 
 static void
@@ -84,6 +85,7 @@ test_bug_539377 (void)
 
   /* Non-realized view, no model */
   view = gtk_tree_view_new ();
+  g_object_ref_sink (view);
   g_assert (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (view), 10, 10, &path,
                                            NULL, NULL, NULL) == FALSE);
   g_assert (gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (view), 10, 10,
@@ -98,8 +100,7 @@ test_bug_539377 (void)
                                            NULL, NULL, NULL) == FALSE);
   g_assert (gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (view), 10, 10,
                                                &path, NULL) == FALSE);
-
-  gtk_widget_destroy (view);
+  g_object_unref (view);
 }
 
 static void
@@ -114,6 +115,7 @@ test_select_collapsed_row (void)
   /* Reported by Michael Natterer */
   tree_store = gtk_tree_store_new (1, G_TYPE_STRING);
   view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (tree_store));
+  g_object_ref_sink (view);
 
   gtk_tree_store_insert_with_values (tree_store, &parent, NULL, 0,
                                      0, "Parent",
@@ -155,7 +157,7 @@ test_select_collapsed_row (void)
 
   gtk_tree_path_free (path);
 
-  gtk_widget_destroy (view);
+  g_object_unref (view);
 }
 
 static gboolean
@@ -225,7 +227,7 @@ test_row_separator_height (void)
   g_assert_cmpint (rect.height, ==, height);
   g_assert_cmpint (cell_rect.height, ==, height);
 
-  gtk_widget_destroy (tree_view);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -240,6 +242,7 @@ test_selection_count (void)
 
   list_store = gtk_list_store_new (1, G_TYPE_STRING);
   view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list_store));
+  g_object_ref_sink (view);
 
   gtk_list_store_insert_with_values (list_store, NULL, 0, 0, "One", -1);
   gtk_list_store_insert_with_values (list_store, NULL, 1, 0, "Two", -1);
@@ -278,7 +281,7 @@ test_selection_count (void)
 
   g_assert_cmpint (gtk_tree_selection_count_selected_rows (selection), ==, 0);
 
-  gtk_widget_destroy (view);
+  g_object_unref (view);
 }
 
 static void
@@ -303,6 +306,7 @@ test_selection_empty (void)
 
   list_store = gtk_list_store_new (1, G_TYPE_STRING);
   view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list_store));
+  g_object_ref_sink (view);
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
 
   g_assert_false (gtk_tree_selection_get_selected (selection, NULL, &iter));
@@ -332,7 +336,7 @@ test_selection_empty (void)
 
   gtk_tree_path_free (path);
 
-  gtk_widget_destroy (view);
+  g_object_unref (view);
 }
 
 int
diff --git a/testsuite/gtk/window.c b/testsuite/gtk/window.c
index ad0a40c..e469c4e 100644
--- a/testsuite/gtk/window.c
+++ b/testsuite/gtk/window.c
@@ -121,7 +121,7 @@ test_default_size (void)
   g_assert_cmpint (w, ==, 300);
   g_assert_cmpint (h, ==, 300);
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -175,7 +175,7 @@ test_resize (void)
   g_assert_cmpint (w, ==, 200);
   g_assert_cmpint (h, ==, 400);
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -209,7 +209,7 @@ test_resize_popup (void)
   g_assert_cmpint (w, ==, 1);
   g_assert_cmpint (h, ==, 1);
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -249,7 +249,7 @@ test_show_hide (void)
   g_assert_cmpint (w, ==, w1);
   g_assert_cmpint (h, ==, h1);
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -292,7 +292,7 @@ test_show_hide2 (void)
   g_assert_cmpint (w, ==, w1);
   g_assert_cmpint (h, ==, h1);
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 static void
@@ -337,7 +337,7 @@ test_show_hide3 (void)
   g_assert_cmpint (w, ==, w1);
   g_assert_cmpint (h, ==, h1);
 
-  gtk_widget_destroy (window);
+  gtk_window_destroy (GTK_WINDOW (window));
 }
 
 int
diff --git a/testsuite/reftests/reftest-snapshot.c b/testsuite/reftests/reftest-snapshot.c
index ec7f90f..ca86e8e 100644
--- a/testsuite/reftests/reftest-snapshot.c
+++ b/testsuite/reftests/reftest-snapshot.c
@@ -143,6 +143,7 @@ snapshot_widget (GtkWidget *widget, SnapshotMode mode)
   cairo_t *cr;
 
   g_assert (gtk_widget_get_realized (widget));
+  g_assert (GTK_IS_WINDOW (widget));
 
   loop = g_main_loop_new (NULL, FALSE);
 
@@ -181,7 +182,7 @@ snapshot_widget (GtkWidget *widget, SnapshotMode mode)
 
   cairo_destroy (cr);
   g_main_loop_unref (loop);
-  gtk_widget_destroy (widget);
+  gtk_window_destroy (GTK_WINDOW (widget));
 
   return surface;
 }


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