singleselection: Make constructor transfer full

This is for consistency with other wrapping list constructors.
We want them all to be transfer full, allow-none.

Update all callers.

10 files changed, 15 insertions, 12 deletions

diff --git a/demos/gtk-demo/listview_settings.c b/demos/gtk-demo/listview_settings.c
index 0ddd61889b..03ed9642e4 100644
--- a/demos/gtk-demo/listview_settings.c
+++ b/demos/gtk-demo/listview_settings.c
@@ -409,7 +409,6 @@ do_listview_settings (GtkWidget *do_widget)
                                    columnview, NULL);
       gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));
       g_object_unref (selection);
-      g_object_unref (treemodel);
 
       name_column = GTK_COLUMN_VIEW_COLUMN (gtk_builder_get_object (builder, "name_column"));
       sorter = gtk_string_sorter_new (gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name"));
diff --git a/gtk/gtkcustompaperunixdialog.c b/gtk/gtkcustompaperunixdialog.c
index d16ae2e5ca..138f4e4ef1 100644
--- a/gtk/gtkcustompaperunixdialog.c
+++ b/gtk/gtkcustompaperunixdialog.c
@@ -896,7 +896,7 @@ populate_dialog (GtkCustomPaperUnixDialog *dialog)
   listview = gtk_list_view_new ();
   gtk_widget_set_size_request (listview, 140, -1);
 
-  model = G_LIST_MODEL (gtk_single_selection_new (G_LIST_MODEL (dialog->custom_paper_list)));
+  model = G_LIST_MODEL (gtk_single_selection_new (g_object_ref (G_LIST_MODEL (dialog->custom_paper_list))));
   gtk_list_view_set_model (GTK_LIST_VIEW (listview), model);
   g_signal_connect (model, "notify::selected", G_CALLBACK (selected_custom_paper_changed), dialog);
   g_object_unref (model);
diff --git a/gtk/gtkdropdown.c b/gtk/gtkdropdown.c
index e28369850e..32daf0a7b2 100644
--- a/gtk/gtkdropdown.c
+++ b/gtk/gtkdropdown.c
@@ -668,7 +668,6 @@ gtk_drop_down_set_model (GtkDropDown *self,
 
       filter_model = G_LIST_MODEL (gtk_filter_list_model_new (g_object_ref (model), NULL));
       g_set_object (&self->filter_model, filter_model);
-      g_object_unref (filter_model);
 
       update_filter (self);
 
@@ -677,7 +676,7 @@ gtk_drop_down_set_model (GtkDropDown *self,
       gtk_list_view_set_model (GTK_LIST_VIEW (self->popup_list), selection);
       g_object_unref (selection);
 
-      selection = G_LIST_MODEL (gtk_single_selection_new (model));
+      selection = G_LIST_MODEL (gtk_single_selection_new (g_object_ref (model)));
       g_set_object (&self->selection, selection);
       g_object_unref (selection);
 
diff --git a/gtk/gtklistbase.c b/gtk/gtklistbase.c
index 5a1a38e40a..d6e1a129d0 100644
--- a/gtk/gtklistbase.c
+++ b/gtk/gtklistbase.c
@@ -2130,7 +2130,7 @@ gtk_list_base_set_model (GtkListBase *self,
       if (GTK_IS_SELECTION_MODEL (model))
         selection_model = GTK_SELECTION_MODEL (g_object_ref (model));
       else
-        selection_model = GTK_SELECTION_MODEL (gtk_single_selection_new (model));
+        selection_model = GTK_SELECTION_MODEL (gtk_single_selection_new (g_object_ref (model)));
 
       gtk_list_item_manager_set_model (priv->item_manager, selection_model);
       gtk_list_base_set_anchor (self, 0, 0.0, GTK_PACK_START, 0.0, GTK_PACK_START);
diff --git a/gtk/gtkprintunixdialog.c b/gtk/gtkprintunixdialog.c
index 2305d3d4ed..23e43d9877 100644
--- a/gtk/gtkprintunixdialog.c
+++ b/gtk/gtkprintunixdialog.c
@@ -837,7 +837,6 @@ gtk_print_unix_dialog_init (GtkPrintUnixDialog *dialog)
   g_signal_connect (selection, "items-changed", G_CALLBACK (printer_added_cb), dialog);
   g_signal_connect_swapped (selection, "notify::selected", G_CALLBACK (selected_printer_changed), dialog);
   g_object_unref (selection);
-  g_object_unref (filtered);
 
   gtk_print_load_custom_papers (dialog->custom_paper_list);
 
diff --git a/gtk/gtksingleselection.c b/gtk/gtksingleselection.c
index 209f6524e8..8c23d3c303 100644
--- a/gtk/gtksingleselection.c
+++ b/gtk/gtksingleselection.c
@@ -453,7 +453,7 @@ gtk_single_selection_init (GtkSingleSelection *self)
 
 /**
  * gtk_single_selection_new:
- * @model: (transfer none): the #GListModel to manage
+ * @model: (allow-none) (transfer full): the #GListModel to manage, or %NULL
  *
  * Creates a new selection to handle @model.
  *
@@ -462,11 +462,18 @@ gtk_single_selection_init (GtkSingleSelection *self)
 GtkSingleSelection *
 gtk_single_selection_new (GListModel *model)
 {
+  GtkSingleSelection *self;
+
   g_return_val_if_fail (G_IS_LIST_MODEL (model), NULL);
 
-  return g_object_new (GTK_TYPE_SINGLE_SELECTION,
+  self = g_object_new (GTK_TYPE_SINGLE_SELECTION,
                        "model", model,
                        NULL);
+
+  /* consume the reference */
+  g_clear_object (&model);
+
+  return self;
 }
 
 /**
diff --git a/gtk/inspector/object-tree.c b/gtk/inspector/object-tree.c
index 5b65f03b91..32124431af 100644
--- a/gtk/inspector/object-tree.c
+++ b/gtk/inspector/object-tree.c
@@ -1304,7 +1304,7 @@ gtk_inspector_object_tree_set_display (GtkInspectorObjectTree *wt,
                                                   create_model_for_object,
                                                   NULL,
                                                   NULL);
-  wt->priv->selection = gtk_single_selection_new (G_LIST_MODEL (wt->priv->tree_model));
+  wt->priv->selection = gtk_single_selection_new (g_object_ref (G_LIST_MODEL (wt->priv->tree_model)));
   gtk_column_view_set_model (GTK_COLUMN_VIEW (wt->priv->list),
                              G_LIST_MODEL (wt->priv->selection));
 }
diff --git a/gtk/inspector/recorder.c b/gtk/inspector/recorder.c
index c76fb2971c..0fefa1609d 100644
--- a/gtk/inspector/recorder.c
+++ b/gtk/inspector/recorder.c
@@ -1239,7 +1239,7 @@ gtk_inspector_recorder_init (GtkInspectorRecorder *recorder)
                                                      TRUE,
                                                      create_list_model_for_render_node_paintable,
                                                      NULL, NULL);
-  recorder->render_node_selection = gtk_single_selection_new (G_LIST_MODEL (recorder->render_node_model));
+  recorder->render_node_selection = gtk_single_selection_new (g_object_ref (G_LIST_MODEL (recorder->render_node_model)));
   g_signal_connect (recorder->render_node_selection, "notify::selected-item", G_CALLBACK (render_node_list_selection_changed), recorder);
 
   factory = gtk_signal_list_item_factory_new ();
diff --git a/gtk/inspector/resource-list.c b/gtk/inspector/resource-list.c
index 2abce1df7f..997e327742 100644
--- a/gtk/inspector/resource-list.c
+++ b/gtk/inspector/resource-list.c
@@ -712,7 +712,6 @@ constructed (GObject *object)
   sorter = gtk_tree_list_row_sorter_new (g_object_ref (column_sorter));
   sort_model = G_LIST_MODEL (gtk_sort_list_model_new (g_object_ref (G_LIST_MODEL (rl->tree_model)), sorter));
   rl->selection = gtk_single_selection_new (sort_model);
-  g_object_unref (sort_model);
 
   gtk_column_view_set_model (GTK_COLUMN_VIEW (rl->list), G_LIST_MODEL (rl->selection));
 
diff --git a/testsuite/gtk/singleselection.c b/testsuite/gtk/singleselection.c
index 256506cb4e..b94b38091f 100644
--- a/testsuite/gtk/singleselection.c
+++ b/testsuite/gtk/singleselection.c
@@ -249,7 +249,7 @@ new_model (GListStore *store, gboolean autoselect, gboolean can_unselect)
   GtkSelectionModel *result;
   GString *changes;
 
-  result = GTK_SELECTION_MODEL (gtk_single_selection_new (G_LIST_MODEL (store)));
+  result = GTK_SELECTION_MODEL (gtk_single_selection_new (g_object_ref (G_LIST_MODEL (store))));
 
   /* We want to return an empty selection unless autoselect is true,
    * so undo the initial selection due to autoselect defaulting to TRUE.