3 files changed, 8 insertions, 4 deletions
diff --git a/src/math-buttons.c b/src/math-buttons.c
index 518a487..92c8ef1 100644
--- a/src/math-buttons.c
+++ b/src/math-buttons.c
@@ -58,7 +58,7 @@ struct MathButtonsPrivate
     GtkWidget *character_code_entry;
 };
 
-G_DEFINE_TYPE (MathButtons, math_buttons, GTK_TYPE_VBOX);
+G_DEFINE_TYPE (MathButtons, math_buttons, GTK_TYPE_BOX);
 
 #define UI_BASIC_FILE       UI_DIR "/buttons-basic.ui"
 #define UI_ADVANCED_FILE    UI_DIR "/buttons-advanced.ui"
@@ -1367,6 +1367,8 @@ math_buttons_init(MathButtons *buttons)
 {
     buttons->priv = G_TYPE_INSTANCE_GET_PRIVATE(buttons, math_buttons_get_type(), MathButtonsPrivate);
     gtk_box_set_spacing(GTK_BOX(buttons), 6);
+    gtk_orientable_set_orientation (GTK_ORIENTABLE (buttons),
+                                    GTK_ORIENTATION_VERTICAL);
     buttons->priv->programming_base = 10;
     g_signal_connect(G_OBJECT(buttons), "show", G_CALLBACK(load_buttons), NULL);
 }
diff --git a/src/math-converter.c b/src/math-converter.c
index ff28500..7badc5e 100644
--- a/src/math-converter.c
+++ b/src/math-converter.c
@@ -33,7 +33,7 @@ struct MathConverterPrivate
 };
 
 
-G_DEFINE_TYPE (MathConverter, math_converter, GTK_TYPE_HBOX);
+G_DEFINE_TYPE (MathConverter, math_converter, GTK_TYPE_BOX);
 
 static void display_changed_cb(MathEquation *equation, GParamSpec *spec, MathConverter *converter);
 static void update_from_model(MathConverter *converter);
@@ -390,6 +390,8 @@ math_converter_init(MathConverter *converter)
     converter->priv = G_TYPE_INSTANCE_GET_PRIVATE(converter, math_converter_get_type(), MathConverterPrivate);
 
     gtk_box_set_spacing(GTK_BOX(converter), 6);
+    gtk_orientable_set_orientation (GTK_ORIENTABLE (converter),
+                                    GTK_ORIENTATION_HORIZONTAL);
 
     hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
     gtk_widget_show(hbox);
diff --git a/src/math-window.c b/src/math-window.c
index 990246d..687e2ac 100644
--- a/src/math-window.c
+++ b/src/math-window.c
@@ -415,7 +415,7 @@ create_gui(MathWindow *window)
     GtkWidget *main_vbox, *vbox;
     GtkWidget *scrolled_window;
 
-    main_vbox = gtk_vbox_new(FALSE, 0);
+    main_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
     gtk_container_add(GTK_CONTAINER(window), main_vbox);
     gtk_widget_show(main_vbox);
 
@@ -425,7 +425,7 @@ create_gui(MathWindow *window)
 
     create_menu(window);
 
-    vbox = gtk_vbox_new(FALSE, 6);
+    vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 6);
     gtk_container_set_border_width(GTK_CONTAINER(vbox), 6);
     gtk_box_pack_start(GTK_BOX(main_vbox), vbox, TRUE, TRUE, 0);  
     gtk_widget_show(vbox);