gtk-demo: Use normal way to lookup up symbols

We're a normal application, so we can use the normal way to hook up code
into builder files, which is using dlsym() for the function pointers.

There's no need to to extra work exporting static symbols.

14 files changed, 90 insertions, 138 deletions

diff --git a/demos/gtk-demo/fishbowl.c b/demos/gtk-demo/fishbowl.c
index 1539b3d336..77c63d561e 100644
--- a/demos/gtk-demo/fishbowl.c
+++ b/demos/gtk-demo/fishbowl.c
@@ -226,8 +226,8 @@ set_widget_type (GtkFishbowl *fishbowl,
 }
 
 void
-next_button_clicked_cb (GtkButton *source,
-                        gpointer   user_data)
+fishbowl_next_button_clicked_cb (GtkButton *source,
+                                 gpointer   user_data)
 {
   GtkFishbowl *fishbowl = user_data;
   int new_index;
@@ -241,8 +241,8 @@ next_button_clicked_cb (GtkButton *source,
 }
 
 void
-prev_button_clicked_cb (GtkButton *source,
-                        gpointer   user_data)
+fishbowl_prev_button_clicked_cb (GtkButton *source,
+                                 gpointer   user_data)
 {
   GtkFishbowl *fishbowl = user_data;
   int new_index;
@@ -256,8 +256,8 @@ prev_button_clicked_cb (GtkButton *source,
 }
 
 void
-changes_toggled_cb (GtkToggleButton *button,
-                    gpointer         user_data)
+fishbowl_changes_toggled_cb (GtkToggleButton *button,
+                             gpointer         user_data)
 {
   if (gtk_toggle_button_get_active (button))
     gtk_button_set_icon_name (GTK_BUTTON (button), "changes-prevent");
@@ -287,13 +287,7 @@ do_fishbowl (GtkWidget *do_widget)
 
       g_type_ensure (GTK_TYPE_FISHBOWL);
 
-      builder = gtk_builder_new ();
-      gtk_builder_add_callback_symbols (builder,
-                                        "next_button_clicked_cb", G_CALLBACK (next_button_clicked_cb),
-                                        "prev_button_clicked_cb", G_CALLBACK (prev_button_clicked_cb),
-                                        "changes_toggled_cb", G_CALLBACK (changes_toggled_cb),
-                                        NULL);
-      gtk_builder_add_from_resource (builder, "/fishbowl/fishbowl.ui", NULL);
+      builder = gtk_builder_new_from_resource ("/fishbowl/fishbowl.ui");
       window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
       g_signal_connect (window, "destroy",
                         G_CALLBACK (gtk_widget_destroyed), &window);
diff --git a/demos/gtk-demo/fishbowl.ui b/demos/gtk-demo/fishbowl.ui
index 5d09b3477a..df065d48a4 100644
--- a/demos/gtk-demo/fishbowl.ui
+++ b/demos/gtk-demo/fishbowl.ui
@@ -15,13 +15,13 @@
             <child>
               <object class="GtkButton">
                 <property name="icon-name">pan-start-symbolic</property>
-                <signal name="clicked" handler="prev_button_clicked_cb" object="bowl" swapped="no"/>
+                <signal name="clicked" handler="fishbowl_prev_button_clicked_cb" object="bowl" swapped="no"/>
               </object>
             </child>
             <child>
               <object class="GtkButton">
                 <property name="icon-name">pan-end-symbolic</property>
-                <signal name="clicked" handler="next_button_clicked_cb" object="bowl" swapped="no"/>
+                <signal name="clicked" handler="fishbowl_next_button_clicked_cb" object="bowl" swapped="no"/>
               </object>
             </child>
           </object>
@@ -50,7 +50,7 @@
           <object class="GtkToggleButton" id="changes_allow">
             <property name="icon-name">changes-allow</property>
             <property name="relief">none</property>
-            <signal name="notify::active" handler="changes_toggled_cb"/>
+            <signal name="notify::active" handler="fishbowl_changes_toggled_cb"/>
           </object>
         </child>
       </object>
diff --git a/demos/gtk-demo/font-features.ui b/demos/gtk-demo/font-features.ui
index dbde04bf03..d9066c6ba6 100644
--- a/demos/gtk-demo/font-features.ui
+++ b/demos/gtk-demo/font-features.ui
@@ -13,7 +13,7 @@
             <property name="can-focus">1</property>
             <property name="receives-default">1</property>
             <property name="tooltip-text">Reset</property>
-            <signal name="clicked" handler="reset" swapped="no"/>
+            <signal name="clicked" handler="font_features_reset_features" swapped="no"/>
             <child>
               <object class="GtkImage">
                 <property name="icon-name">view-refresh-symbolic</property>
@@ -42,7 +42,7 @@
                         <property name="receives-default">1</property>
                         <property name="font">Sans 12</property>
                         <property name="level">family|style|size|variations|features</property>
-                        <signal name="font-set" handler="font_changed" swapped="no"/>
+                        <signal name="font-set" handler="font_features_font_changed" swapped="no"/>
                       </object>
                     </child>
                     <child>
@@ -63,7 +63,7 @@
                               <object class="GtkComboBox" id="script_lang">
                                 <property name="can-focus">1</property>
                                 <property name="margin-top">10</property>
-                                <signal name="changed" handler="script_changed" swapped="no"/>
+                                <signal name="changed" handler="font_features_script_changed" swapped="no"/>
                                 <child>
                                   <object class="GtkCellRendererText"/>
                                   <attributes>
@@ -137,7 +137,7 @@
 Разъяренный чтец эгоистично бьёт пятью жердями шустрого фехтовальщика. Наш банк вчера же выплатил Ф.Я. Эйхгольду комиссию за ценные вещи. Эх, чужак, общий съём цен шляп (юфть) – вдрызг! В чащах юга жил бы цитрус? Да, но фальшивый экземпляр!
 
 Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός</property>
-                        <signal name="activate" handler="stop_edit"/>
+                        <signal name="activate" handler="font_features_stop_edit"/>
                         <property name="valign">start</property>
                         <property name="width-chars">50</property>
                       </object>
@@ -181,7 +181,7 @@
                     <property name="icon-name">document-edit-symbolic</property>
                     <property name="halign">end</property>
                     <property name="valign">end</property>
-                    <signal name="toggled" handler="toggle_edit"/>
+                    <signal name="toggled" handler="font_features_toggle_edit"/>
                   </object>
                 </child>
               </object>
diff --git a/demos/gtk-demo/font_features.c b/demos/gtk-demo/font_features.c
index ebc99c0f99..1fc8e92d69 100644
--- a/demos/gtk-demo/font_features.c
+++ b/demos/gtk-demo/font_features.c
@@ -1109,23 +1109,23 @@ done:
   g_free (design_coords);
 }
 
-static void
-font_changed (void)
+void
+font_features_font_changed (void)
 {
   update_script_combo ();
   update_features ();
   update_font_variations ();
 }
 
-static void
-script_changed (void)
+void
+font_features_script_changed (void)
 {
   update_features ();
   update_display ();
 }
 
-static void
-reset_features (void)
+void
+font_features_reset_features (void)
 {
   GList *l;
 
@@ -1170,8 +1170,8 @@ switch_to_label (void)
   update_display ();
 }
 
-static void
-toggle_edit (void)
+void
+font_features_toggle_edit (void)
 {
   if (strcmp (gtk_stack_get_visible_child_name (GTK_STACK (stack)), "label") == 0)
     switch_to_entry ();
@@ -1179,8 +1179,8 @@ toggle_edit (void)
     switch_to_label ();
 }
 
-static void
-stop_edit (void)
+void
+font_features_stop_edit (void)
 {
   g_signal_emit_by_name (edit_toggle, "clicked");
 }
@@ -1195,7 +1195,7 @@ entry_key_press (GtkEventController *controller,
   if (keyval == GDK_KEY_Escape)
     {
       gtk_editable_set_text (GTK_EDITABLE (entry), text);
-      stop_edit ();
+      font_features_stop_edit ();
       return GDK_EVENT_STOP;
     }
 
@@ -1213,14 +1213,7 @@ do_font_features (GtkWidget *do_widget)
       GtkWidget *feature_list;
       GtkEventController *controller;
 
-      builder = gtk_builder_new ();
-      gtk_builder_add_callback_symbol (builder, "update_display", update_display);
-      gtk_builder_add_callback_symbol (builder, "font_changed", font_changed);
-      gtk_builder_add_callback_symbol (builder, "script_changed", script_changed);
-      gtk_builder_add_callback_symbol (builder, "reset", reset_features);
-      gtk_builder_add_callback_symbol (builder, "stop_edit", G_CALLBACK (stop_edit));
-      gtk_builder_add_callback_symbol (builder, "toggle_edit", G_CALLBACK (toggle_edit));
-      gtk_builder_add_from_resource (builder, "/font_features/font-features.ui", NULL);
+      builder = gtk_builder_new_from_resource ("/font_features/font-features.ui");
 
       window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
       feature_list = GTK_WIDGET (gtk_builder_get_object (builder, "feature_list"));
@@ -1338,7 +1331,7 @@ do_font_features (GtkWidget *do_widget)
       else
         g_hash_table_remove_all (axes);
 
-      font_changed ();
+      font_features_font_changed ();
 
       g_signal_connect (window, "destroy",
                         G_CALLBACK (gtk_widget_destroyed), &window);
diff --git a/demos/gtk-demo/iconscroll.c b/demos/gtk-demo/iconscroll.c
index c1c8c8e3d2..fafd51930e 100644
--- a/demos/gtk-demo/iconscroll.c
+++ b/demos/gtk-demo/iconscroll.c
@@ -169,9 +169,9 @@ set_widget_type (int type)
   tick_cb = gtk_widget_add_tick_callback (window, scroll_cb, NULL, NULL);
 }
 
-static void
-next_clicked_cb (GtkButton *source,
-                 gpointer   user_data)
+void
+iconscroll_next_clicked_cb (GtkButton *source,
+                            gpointer   user_data)
 {
   int new_index;
 
@@ -184,9 +184,9 @@ next_clicked_cb (GtkButton *source,
   set_widget_type (new_index);
 }
 
-static void
-prev_clicked_cb (GtkButton *source,
-                 gpointer   user_data)
+void
+iconscroll_prev_clicked_cb (GtkButton *source,
+                            gpointer   user_data)
 {
   int new_index;
 
@@ -205,12 +205,7 @@ do_iconscroll (GtkWidget *do_widget)
     {
       GtkBuilder *builder;
 
-      builder = gtk_builder_new ();
-      gtk_builder_add_callback_symbols (builder,
-                                        "next_clicked_cb", G_CALLBACK (next_clicked_cb),
-                                        "prev_clicked_cb", G_CALLBACK (prev_clicked_cb),
-                                        NULL);
-      gtk_builder_add_from_resource (builder, "/iconscroll/iconscroll.ui", NULL);
+      builder = gtk_builder_new_from_resource ("/iconscroll/iconscroll.ui");
       window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
       g_signal_connect (window, "destroy",
                         G_CALLBACK (gtk_widget_destroyed), &window);
diff --git a/demos/gtk-demo/iconscroll.ui b/demos/gtk-demo/iconscroll.ui
index e1ead1adc8..e9bf7d8a95 100644
--- a/demos/gtk-demo/iconscroll.ui
+++ b/demos/gtk-demo/iconscroll.ui
@@ -15,13 +15,13 @@
             <child>
               <object class="GtkButton">
                 <property name="icon-name">pan-start-symbolic</property>
-                <signal name="clicked" handler="prev_clicked_cb"/>
+                <signal name="clicked" handler="iconscroll_prev_clicked_cb"/>
               </object>
             </child>
             <child>
               <object class="GtkButton">
                 <property name="icon-name">pan-end-symbolic</property>
-                <signal name="clicked" handler="next_clicked_cb"/>
+                <signal name="clicked" handler="iconscroll_next_clicked_cb"/>
               </object>
             </child>
           </object>
diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index a188fc3318..6dc59da639 100644
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -1037,7 +1037,6 @@ activate (GApplication *app)
   GtkWidget *widget;
   GtkTreeModel *model;
   GtkTreeIter iter;
-  GError *error = NULL;
   GtkWidget *sw;
   GtkWidget *scrollbar;
   GtkWidget *menu;
@@ -1047,13 +1046,7 @@ activate (GApplication *app)
     { "run", activate_run, NULL, NULL, NULL }
   };
 
-  builder = gtk_builder_new ();
-  gtk_builder_add_from_resource (builder, "/ui/main.ui", &error);
-  if (error != NULL)
-    {
-      g_critical ("%s", error->message);
-      exit (1);
-    }
+  builder = gtk_builder_new_from_resource ("/ui/main.ui");
 
   window = (GtkWindow *)gtk_builder_get_object (builder, "window");
   gtk_application_add_window (GTK_APPLICATION (app), window);
diff --git a/demos/gtk-demo/modelbutton.c b/demos/gtk-demo/modelbutton.c
index 0c17537844..a0299228b5 100644
--- a/demos/gtk-demo/modelbutton.c
+++ b/demos/gtk-demo/modelbutton.c
@@ -14,8 +14,8 @@
 
 #include <gtk/gtk.h>
 
-static void
-tool_clicked (GtkButton *button)
+void
+modelbutton_tool_clicked (GtkButton *button)
 {
   gboolean active;
 
@@ -39,9 +39,7 @@ do_modelbutton (GtkWidget *do_widget)
       GtkBuilder *builder;
       GActionGroup *actions;
 
-      builder = gtk_builder_new ();
-      gtk_builder_add_callback_symbol (builder, "tool_clicked", G_CALLBACK (tool_clicked));
-      gtk_builder_add_from_resource (builder, "/modelbutton/modelbutton.ui", NULL);
+      builder = gtk_builder_new_from_resource ("/modelbutton/modelbutton.ui");
       window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
diff --git a/demos/gtk-demo/modelbutton.ui b/demos/gtk-demo/modelbutton.ui
index 438433f09a..5a895e4cfd 100644
--- a/demos/gtk-demo/modelbutton.ui
+++ b/demos/gtk-demo/modelbutton.ui
@@ -101,21 +101,21 @@
           <object class="GtkModelButton">
             <property name="text">Hammer</property>
             <property name="role">check</property>
-            <signal name="clicked" handler="tool_clicked"/>
+            <signal name="clicked" handler="modelbutton_tool_clicked"/>
           </object>
         </child>
         <child>
           <object class="GtkModelButton">
             <property name="text">Screwdriver</property>
             <property name="role">check</property>
-            <signal name="clicked" handler="tool_clicked"/>
+            <signal name="clicked" handler="modelbutton_tool_clicked"/>
           </object>
         </child>
         <child>
           <object class="GtkModelButton">
             <property name="text">Drill</property>
             <property name="role">check</property>
-            <signal name="clicked" handler="tool_clicked"/>
+            <signal name="clicked" handler="modelbutton_tool_clicked"/>
           </object>
         </child>
       </object>
diff --git a/demos/gtk-demo/shortcuts.c b/demos/gtk-demo/shortcuts.c
index 548e052623..b0be7d11cc 100644
--- a/demos/gtk-demo/shortcuts.c
+++ b/demos/gtk-demo/shortcuts.c
@@ -25,44 +25,44 @@ show_shortcuts (GtkWidget   *window,
   g_object_unref (builder);
 }
 
-static void
-builder_shortcuts (GtkWidget *window)
+void
+shortcuts_builder_shortcuts (GtkWidget *window)
 {
   show_shortcuts (window, "shortcuts-builder", NULL);
 }
 
-static void
-gedit_shortcuts (GtkWidget *window)
+void
+shortcuts_gedit_shortcuts (GtkWidget *window)
 {
   show_shortcuts (window, "shortcuts-gedit", NULL);
 }
 
-static void
-clocks_shortcuts (GtkWidget *window)
+void
+shortcuts_clocks_shortcuts (GtkWidget *window)
 {
   show_shortcuts (window, "shortcuts-clocks", NULL);
 }
 
-static void
-clocks_shortcuts_stopwatch (GtkWidget *window)
+void
+shortcuts_clocks_shortcuts_stopwatch (GtkWidget *window)
 {
   show_shortcuts (window, "shortcuts-clocks", "stopwatch");
 }
 
-static void
-boxes_shortcuts (GtkWidget *window)
+void
+shortcuts_boxes_shortcuts (GtkWidget *window)
 {
   show_shortcuts (window, "shortcuts-boxes", NULL);
 }
 
-static void
-boxes_shortcuts_wizard (GtkWidget *window)
+void
+shortcuts_boxes_shortcuts_wizard (GtkWidget *window)
 {
   show_shortcuts (window, "shortcuts-boxes", "wizard");
 }
 
-static void
-boxes_shortcuts_display (GtkWidget *window)
+void
+shortcuts_boxes_shortcuts_display (GtkWidget *window)
 {
   show_shortcuts (window, "shortcuts-boxes", "display");
 }
@@ -85,17 +85,7 @@ do_shortcuts (GtkWidget *do_widget)
     {
       GtkBuilder *builder;
 
-      builder = gtk_builder_new ();
-      gtk_builder_add_callback_symbols (builder,
-                                        "builder_shortcuts", G_CALLBACK (builder_shortcuts),
-                                        "gedit_shortcuts", G_CALLBACK (gedit_shortcuts),
-                                        "clocks_shortcuts", G_CALLBACK (clocks_shortcuts),
-                                        "clocks_shortcuts_stopwatch", G_CALLBACK (clocks_shortcuts_stopwatch),
-                                        "boxes_shortcuts", G_CALLBACK (boxes_shortcuts),
-                                        "boxes_shortcuts_wizard", G_CALLBACK (boxes_shortcuts_wizard),
-                                        "boxes_shortcuts_display", G_CALLBACK (boxes_shortcuts_display),
-                                        NULL);
-      gtk_builder_add_from_resource (builder, "/shortcuts/shortcuts.ui", NULL);
+      builder = gtk_builder_new_from_resource ("/shortcuts/shortcuts.ui");
       window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
diff --git a/demos/gtk-demo/shortcuts.ui b/demos/gtk-demo/shortcuts.ui
index 00b885efeb..ca8d08c5bf 100644
--- a/demos/gtk-demo/shortcuts.ui
+++ b/demos/gtk-demo/shortcuts.ui
@@ -10,43 +10,43 @@
         <child>
           <object class="GtkButton">
             <property name="label">Builder</property>
-            <signal name="clicked" handler="builder_shortcuts" swapped="1" object="window1"/>
+            <signal name="clicked" handler="shortcuts_builder_shortcuts" swapped="1" object="window1"/>
           </object>
         </child>
         <child>
           <object class="GtkButton">
             <property name="label">GEdit</property>
-            <signal name="clicked" handler="gedit_shortcuts" swapped="1" object="window1"/>
+            <signal name="clicked" handler="shortcuts_gedit_shortcuts" swapped="1" object="window1"/>
           </object>
         </child>
         <child>
           <object class="GtkButton">
             <property name="label">Clocks - All</property>
-            <signal name="clicked" handler="clocks_shortcuts" swapped="1" object="window1"/>
+            <signal name="clicked" handler="shortcuts_clocks_shortcuts" swapped="1" object="window1"/>
           </object>
         </child>
         <child>
           <object class="GtkButton">
             <property name="label">Clocks - Stopwatch</property>
-            <signal name="clicked" handler="clocks_shortcuts_stopwatch" swapped="1" object="window1"/>
+            <signal name="clicked" handler="shortcuts_clocks_shortcuts_stopwatch" swapped="1" object="window1"/>
           </object>
         </child>
         <child>
           <object class="GtkButton">
             <property name="label">Boxes</property>
-            <signal name="clicked" handler="boxes_shortcuts" swapped="1" object="window1"/>
+            <signal name="clicked" handler="shortcuts_boxes_shortcuts" swapped="1" object="window1"/>
           </object>
         </child>
         <child>
           <object class="GtkButton">
             <property name="label">Boxes - Wizard</property>
-            <signal name="clicked" handler="boxes_shortcuts_wizard" swapped="1" object="window1"/>
+            <signal name="clicked" handler="shortcuts_boxes_shortcuts_wizard" swapped="1" object="window1"/>
           </object>
         </child>
         <child>
           <object class="GtkButton">
             <property name="label">Boxes - Display</property>
-            <signal name="clicked" handler="boxes_shortcuts_display" swapped="1" object="window1"/>
+            <signal name="clicked" handler="shortcuts_boxes_shortcuts_display" swapped="1" object="window1"/>
           </object>
         </child>
       </object>
diff --git a/demos/gtk-demo/spinbutton.c b/demos/gtk-demo/spinbutton.c
index b9cddc8434..43ecd9164b 100644
--- a/demos/gtk-demo/spinbutton.c
+++ b/demos/gtk-demo/spinbutton.c
@@ -11,9 +11,9 @@
 #include <math.h>
 #include <stdlib.h>
 
-static gint
-hex_spin_input (GtkSpinButton *spin_button,
-                gdouble       *new_val)
+gint
+spinbutton_hex_spin_input (GtkSpinButton *spin_button,
+                           gdouble       *new_val)
 {
   const gchar *buf;
   gchar *err;
@@ -28,8 +28,8 @@ hex_spin_input (GtkSpinButton *spin_button,
     return TRUE;
 }
 
-static gint
-hex_spin_output (GtkSpinButton *spin_button)
+gint
+spinbutton_hex_spin_output (GtkSpinButton *spin_button)
 {
   GtkAdjustment *adjustment;
   gchar *buf;
@@ -48,9 +48,9 @@ hex_spin_output (GtkSpinButton *spin_button)
   return TRUE;
 }
 
-static gint
-time_spin_input (GtkSpinButton *spin_button,
-                 gdouble       *new_val)
+gint
+spinbutton_time_spin_input (GtkSpinButton *spin_button,
+                            gdouble       *new_val)
 {
   const gchar *text;
   gchar **str;
@@ -87,8 +87,8 @@ time_spin_input (GtkSpinButton *spin_button,
   return TRUE;
 }
 
-static gint
-time_spin_output (GtkSpinButton *spin_button)
+gint
+spinbutton_time_spin_output (GtkSpinButton *spin_button)
 {
   GtkAdjustment *adjustment;
   gchar *buf;
@@ -121,9 +121,9 @@ static gchar *month[12] = {
   "December"
 };
 
-static gint
-month_spin_input (GtkSpinButton *spin_button,
-                  gdouble       *new_val)
+gint
+spinbutton_month_spin_input (GtkSpinButton *spin_button,
+                             gdouble       *new_val)
 {
   gint i;
   gchar *tmp1, *tmp2;
@@ -150,8 +150,8 @@ month_spin_input (GtkSpinButton *spin_button,
   return TRUE;
 }
 
-static gint
-month_spin_output (GtkSpinButton *spin_button)
+gint
+spinbutton_month_spin_output (GtkSpinButton *spin_button)
 {
   GtkAdjustment *adjustment;
   gdouble value;
@@ -190,16 +190,7 @@ do_spinbutton (GtkWidget *do_widget)
     GtkAdjustment *adj;
     GtkWidget *label;
 
-    builder = gtk_builder_new ();
-    gtk_builder_add_callback_symbols (builder,
-                                      "hex_spin_input", G_CALLBACK (hex_spin_input),
-                                      "hex_spin_output", G_CALLBACK (hex_spin_output),
-                                      "time_spin_input", G_CALLBACK (time_spin_input),
-                                      "time_spin_output", G_CALLBACK (time_spin_output),
-                                      "month_spin_input", G_CALLBACK (month_spin_input),
-                                      "month_spin_output", G_CALLBACK (month_spin_output),
-                                      NULL);
-    gtk_builder_add_from_resource (builder, "/spinbutton/spinbutton.ui", NULL);
+    builder = gtk_builder_new_from_resource ("/spinbutton/spinbutton.ui");
     window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
     gtk_window_set_display (GTK_WINDOW (window),
                             gtk_widget_get_display (do_widget));
diff --git a/demos/gtk-demo/spinbutton.ui b/demos/gtk-demo/spinbutton.ui
index d14058430c..44685f775a 100644
--- a/demos/gtk-demo/spinbutton.ui
+++ b/demos/gtk-demo/spinbutton.ui
@@ -83,8 +83,8 @@
             <property name="halign">start</property>
             <property name="width-chars">4</property>
             <property name="adjustment">hex_adjustment</property>
-            <signal name="input" handler="hex_spin_input"/>
-            <signal name="output" handler="hex_spin_output"/>
+            <signal name="input" handler="spinbutton_hex_spin_input"/>
+            <signal name="output" handler="spinbutton_hex_spin_output"/>
             <property name="wrap">1</property>
             <layout>
               <property name="left-attach">1</property>
@@ -119,8 +119,8 @@
             <property name="halign">start</property>
             <property name="width-chars">5</property>
             <property name="adjustment">time_adjustment</property>
-            <signal name="input" handler="time_spin_input"/>
-            <signal name="output" handler="time_spin_output"/>
+            <signal name="input" handler="spinbutton_time_spin_input"/>
+            <signal name="output" handler="spinbutton_time_spin_output"/>
             <property name="wrap">1</property>
             <layout>
               <property name="left-attach">1</property>
@@ -154,8 +154,8 @@
           <object class="GtkSpinButton" id="month_spin">
             <property name="halign">start</property>
             <property name="width-chars">9</property>
-            <signal name="input" handler="month_spin_input"/>
-            <signal name="output" handler="month_spin_output"/>
+            <signal name="input" handler="spinbutton_month_spin_input"/>
+            <signal name="output" handler="spinbutton_month_spin_output"/>
             <property name="adjustment">month_adjustment</property>
             <property name="wrap">1</property>
             <property name="update-policy">if-valid</property>
diff --git a/tests/teststackedheaders.c b/tests/teststackedheaders.c
index 40a9cb6ef1..7febdd6dea 100644
--- a/tests/teststackedheaders.c
+++ b/tests/teststackedheaders.c
@@ -4,14 +4,14 @@
 static GtkWidget *header_stack;
 static GtkWidget *page_stack;
 
-static void
+void
 back_to_main (GtkButton *button)
 {
   gtk_stack_set_visible_child_name (GTK_STACK (header_stack), "main");
   gtk_stack_set_visible_child_name (GTK_STACK (page_stack), "page1");
 }
 
-static void
+void
 go_to_secondary (GtkButton *button)
 {
   gtk_stack_set_visible_child_name (GTK_STACK (header_stack), "secondary");
@@ -31,8 +31,6 @@ main (int argc, char *argv[])
   gtk_init ();
 
   builder = gtk_builder_new ();
-  gtk_builder_add_callback_symbol (builder, "back_to_main", G_CALLBACK (back_to_main));
-  gtk_builder_add_callback_symbol (builder, "go_to_secondary", G_CALLBACK (go_to_secondary));
   gtk_builder_add_from_file (builder, "teststackedheaders.ui", NULL);
 
   win = (GtkWidget *)gtk_builder_get_object (builder, "window");