Fix some leaks. (#348108, Chris Wilson)

2006-12-22  Matthias Clasen  <mclasen@redhat.com>

        * demos/gtk-demo/*.c: Fix some leaks.  (#348108, Chris
        Wilson)

2

7 files changed, 51 insertions, 11 deletions

diff --git a/demos/gtk-demo/appwindow.c b/demos/gtk-demo/appwindow.c
index 6e0f36ecb7..d2ed060558 100644
--- a/demos/gtk-demo/appwindow.c
+++ b/demos/gtk-demo/appwindow.c
@@ -467,6 +467,7 @@ do_appwindow (GtkWidget *do_widget)
 				  "stock-id", GTK_STOCK_OPEN,
 				  NULL);
       gtk_action_group_add_action (action_group, open_action);
+      g_object_unref (open_action);
       gtk_action_group_add_actions (action_group, 
 				    entries, n_entries, 
 				    window);
@@ -490,6 +491,7 @@ do_appwindow (GtkWidget *do_widget)
       gtk_ui_manager_insert_action_group (merge, action_group, 0);
       gtk_window_add_accel_group (GTK_WINDOW (window), 
 				  gtk_ui_manager_get_accel_group (merge));
+      g_object_unref (open_action);
       
       if (!gtk_ui_manager_add_ui_from_string (merge, ui_info, -1, &error))
 	{
diff --git a/demos/gtk-demo/changedisplay.c b/demos/gtk-demo/changedisplay.c
index 11500876c9..32a1e983da 100644
--- a/demos/gtk-demo/changedisplay.c
+++ b/demos/gtk-demo/changedisplay.c
@@ -300,6 +300,8 @@ display_changed_cb (GtkTreeSelection  *selection,
   GtkTreeModel *model;
   GtkTreeIter iter;
 
+  if (info->current_display)
+    g_object_unref (info->current_display);
   if (gtk_tree_selection_get_selected (selection, &model, &iter))
     gtk_tree_model_get (model, &iter,
 			DISPLAY_COLUMN_DISPLAY, &info->current_display,
@@ -320,6 +322,8 @@ screen_changed_cb (GtkTreeSelection  *selection,
   GtkTreeModel *model;
   GtkTreeIter iter;
 
+  if (info->current_screen)
+    g_object_unref (info->current_screen);
   if (gtk_tree_selection_get_selected (selection, &model, &iter))
     gtk_tree_model_get (model, &iter,
 			SCREEN_COLUMN_SCREEN, &info->current_screen,
@@ -562,6 +566,14 @@ destroy_info (ChangeDisplayInfo *info)
   g_slist_free (tmp_list);
 
   g_object_unref (info->size_group);
+  g_object_unref (info->display_model);
+  g_object_unref (info->screen_model);
+
+  if (info->current_display)
+    g_object_unref (info->current_display);
+  if (info->current_screen)
+    g_object_unref (info->current_screen);
+
   g_free (info);
 }
 
diff --git a/demos/gtk-demo/combobox.c b/demos/gtk-demo/combobox.c
index 7c00630045..99d9681584 100644
--- a/demos/gtk-demo/combobox.c
+++ b/demos/gtk-demo/combobox.c
@@ -74,6 +74,7 @@ create_stock_icon_store (void)
 			      PIXBUF_COL, pixbuf,
 			      TEXT_COL, label,
 			      -1);
+	  g_object_unref (pixbuf);
 	  g_free (label);
 	}
       else
diff --git a/demos/gtk-demo/drawingarea.c b/demos/gtk-demo/drawingarea.c
index cde2cc1695..3481a6497f 100644
--- a/demos/gtk-demo/drawingarea.c
+++ b/demos/gtk-demo/drawingarea.c
@@ -218,6 +218,16 @@ checkerboard_expose (GtkWidget	    *da,
   return TRUE;
 }
 
+static void
+close_window (void)
+{
+  window = NULL;
+
+  if (pixmap)
+    g_object_unref (pixmap);
+  pixmap = NULL;
+}
+
 GtkWidget *
 do_drawingarea (GtkWidget *do_widget)
 {
@@ -233,7 +243,7 @@ do_drawingarea (GtkWidget *do_widget)
 			     gtk_widget_get_screen (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Drawing Area");
 
-      g_signal_connect (window, "destroy", G_CALLBACK (gtk_widget_destroyed), &window);
+      g_signal_connect (window, "destroy", G_CALLBACK (close_window), NULL);
 
       gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 
@@ -309,14 +319,9 @@ do_drawingarea (GtkWidget *do_widget)
     }
 
   if (!GTK_WIDGET_VISIBLE (window))
-    {
       gtk_widget_show_all (window);
-    }
   else
-    {
       gtk_widget_destroy (window);
-      window = NULL;
-    }
 
   return window;
 }
diff --git a/demos/gtk-demo/iconview.c b/demos/gtk-demo/iconview.c
index 9c76c7815d..6500d2be3c 100644
--- a/demos/gtk-demo/iconview.c
+++ b/demos/gtk-demo/iconview.c
@@ -243,6 +243,18 @@ home_clicked (GtkToolItem *item,
 			    TRUE);
 }
 
+static void close_window(void)
+{
+  gtk_widget_destroy (window);
+  window = NULL;
+
+  g_object_unref (file_pixbuf);
+  file_pixbuf = NULL;
+
+  g_object_unref (folder_pixbuf);
+  folder_pixbuf = NULL;
+}
+
 GtkWidget *
 do_iconview (GtkWidget *do_widget)
 {
@@ -258,7 +270,7 @@ do_iconview (GtkWidget *do_widget)
       gtk_window_set_title (GTK_WINDOW (window), "GtkIconView demo");
 
       g_signal_connect (window, "destroy",
-			G_CALLBACK (gtk_widget_destroyed), &window);
+			G_CALLBACK (close_window), NULL);
 
       error = NULL;
       if (!load_pixbufs (&error))
diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index 634a80d6ee..a3b746081b 100644
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -782,6 +782,8 @@ create_tree (void)
 
   gtk_widget_grab_focus (tree_view);
 
+   g_object_unref (model);
+
   return box;
 }
 
@@ -865,7 +867,7 @@ main (int argc, char **argv)
   
   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
   gtk_window_set_title (GTK_WINDOW (window), "GTK+ Code Demos");
-  g_signal_connect (window, "destroy",
+  g_signal_connect_after (window, "destroy",
 		    G_CALLBACK (gtk_main_quit), NULL);
 
   hbox = gtk_hbox_new (FALSE, 0);
@@ -881,13 +883,15 @@ main (int argc, char **argv)
 			    create_text (&info_buffer, FALSE),
 			    gtk_label_new_with_mnemonic ("_Info"));
 
+  tag = gtk_text_buffer_create_tag (info_buffer, "title",
+                                    "font", "Sans 18",
+                                    NULL);
+   g_object_unref (info_buffer);
+
   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
 			    create_text (&source_buffer, TRUE),
 			    gtk_label_new_with_mnemonic ("_Source"));
 
-  tag = gtk_text_buffer_create_tag (info_buffer, "title",
-                                    "font", "Sans 18",
-                                    NULL);
 
   tag = gtk_text_buffer_create_tag (source_buffer, "comment",
 				    "foreground", "DodgerBlue",
@@ -910,6 +914,7 @@ main (int argc, char **argv)
 				    "weight", PANGO_WEIGHT_BOLD,
  				    "foreground", "DarkGoldenrod4",
                                     NULL);
+   g_object_unref (source_buffer);
   
   gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
   gtk_widget_show_all (window);
diff --git a/demos/gtk-demo/ui_manager.c b/demos/gtk-demo/ui_manager.c
index 218ff5eccc..5bbdf5c9e8 100644
--- a/demos/gtk-demo/ui_manager.c
+++ b/demos/gtk-demo/ui_manager.c
@@ -183,10 +183,12 @@ do_ui_manager (GtkWidget *do_widget)
 
       ui = gtk_ui_manager_new ();
       gtk_ui_manager_insert_action_group (ui, actions, 0);
+      g_object_unref (actions);
       gtk_window_add_accel_group (GTK_WINDOW (window), 
 				  gtk_ui_manager_get_accel_group (ui));
       gtk_window_set_title (GTK_WINDOW (window), "UI Manager");
       gtk_container_set_border_width (GTK_CONTAINER (window), 0);
+
       
       if (!gtk_ui_manager_add_ui_from_string (ui, ui_info, -1, &error))
 	{
@@ -223,6 +225,7 @@ do_ui_manager (GtkWidget *do_widget)
       gtk_widget_grab_default (button);
 
       gtk_widget_show_all (window);
+      g_object_unref (ui);
     }
   else
     {