6 files changed, 24 insertions, 6 deletions
diff --git a/src/terminal-info-bar.c b/src/terminal-info-bar.c
index 0574224..5e60f21 100644
--- a/src/terminal-info-bar.c
+++ b/src/terminal-info-bar.c
@@ -41,7 +41,11 @@ terminal_info_bar_init (TerminalInfoBar *bar)
 
 	priv = bar->priv = TERMINAL_INFO_BAR_GET_PRIVATE (bar);
 
+#if GTK_CHECK_VERSION (3, 0, 0)
+	priv->content_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
+#else
 	priv->content_box = gtk_vbox_new (FALSE, 6);
+#endif
 	gtk_box_pack_start (GTK_BOX (gtk_info_bar_get_content_area (info_bar)),
 	                    priv->content_box, TRUE, TRUE, 0);
 }
diff --git a/src/terminal-screen-container.c b/src/terminal-screen-container.c
index 8c82c63..7017be9 100644
--- a/src/terminal-screen-container.c
+++ b/src/terminal-screen-container.c
@@ -52,7 +52,7 @@ enum
     PROP_WINDOW_PLACEMENT_SET
 };
 
-G_DEFINE_TYPE (TerminalScreenContainer, terminal_screen_container, GTK_TYPE_VBOX)
+G_DEFINE_TYPE (TerminalScreenContainer, terminal_screen_container, GTK_TYPE_BOX)
 
 /* helper functions */
 
@@ -123,6 +123,8 @@ terminal_screen_container_init (TerminalScreenContainer *container)
 	priv->vscrollbar_policy = GTK_POLICY_AUTOMATIC;
 	priv->window_placement = GTK_CORNER_BOTTOM_RIGHT;
 	priv->window_placement_set = FALSE;
+
+	gtk_orientable_set_orientation (GTK_ORIENTABLE (container), GTK_ORIENTATION_VERTICAL);
 }
 
 static GObject *
@@ -165,7 +167,11 @@ terminal_screen_container_constructor (GType type,
 
 #else
 
+#if GTK_CHECK_VERSION (3, 0, 0)
+	priv->hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+#else
 	priv->hbox = gtk_hbox_new (FALSE, 0);
+#endif
 
 #if VTE_CHECK_VERSION (0, 38, 0)
 	priv->vscrollbar = gtk_vscrollbar_new (gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (priv->screen)));
diff --git a/src/terminal-screen-container.h b/src/terminal-screen-container.h
index d9eac83..bc8843d 100644
--- a/src/terminal-screen-container.h
+++ b/src/terminal-screen-container.h
@@ -38,7 +38,7 @@ typedef struct _TerminalScreenContainerPrivate TerminalScreenContainerPrivate;
 
 struct _TerminalScreenContainer
 {
-	GtkVBox parent_instance;
+	GtkBox parent_instance;
 
 	/*< private >*/
 	TerminalScreenContainerPrivate *priv;
@@ -46,7 +46,7 @@ struct _TerminalScreenContainer
 
 struct _TerminalScreenContainerClass
 {
-	GtkVBoxClass parent_class;
+	GtkBoxClass parent_class;
 };
 
 GType terminal_screen_container_get_type (void);
diff --git a/src/terminal-tab-label.c b/src/terminal-tab-label.c
index f7ddee2..789ba26 100644
--- a/src/terminal-tab-label.c
+++ b/src/terminal-tab-label.c
@@ -50,7 +50,7 @@ enum
 
 static guint signals[LAST_SIGNAL] = { 0 };
 
-G_DEFINE_TYPE (TerminalTabLabel, terminal_tab_label, GTK_TYPE_HBOX);
+G_DEFINE_TYPE (TerminalTabLabel, terminal_tab_label, GTK_TYPE_BOX);
 
 /* helper functions */
 
diff --git a/src/terminal-tab-label.h b/src/terminal-tab-label.h
index c30580f..685f5ef 100644
--- a/src/terminal-tab-label.h
+++ b/src/terminal-tab-label.h
@@ -38,7 +38,7 @@ typedef struct _TerminalTabLabelPrivate TerminalTabLabelPrivate;
 
 struct _TerminalTabLabel
 {
-	GtkHBox parent_instance;
+	GtkBox parent_instance;
 
 	/*< private >*/
 	TerminalTabLabelPrivate *priv;
@@ -46,7 +46,7 @@ struct _TerminalTabLabel
 
 struct _TerminalTabLabelClass
 {
-	GtkHBoxClass parent_class;
+	GtkBoxClass parent_class;
 
 	/* Signals */
 	void (* close_button_clicked) (TerminalTabLabel *tab_label);
diff --git a/src/terminal-window.c b/src/terminal-window.c
index b6e8eb0..8bcc30a 100644
--- a/src/terminal-window.c
+++ b/src/terminal-window.c
@@ -2081,7 +2081,11 @@ terminal_window_init (TerminalWindow *window)
     priv->active_screen = NULL;
     priv->menubar_visible = FALSE;
 
+#if GTK_CHECK_VERSION (3, 0, 0)
+    main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+#else
     main_vbox = gtk_vbox_new (FALSE, 0);
+#endif
     gtk_container_add (GTK_CONTAINER (window), main_vbox);
     gtk_widget_show (main_vbox);
 
@@ -3903,7 +3907,11 @@ terminal_set_title_callback (GtkAction *action,
     message_area = gtk_message_dialog_get_message_area (GTK_MESSAGE_DIALOG (dialog));
     gtk_container_foreach (GTK_CONTAINER (message_area), (GtkCallback) gtk_widget_hide, NULL);
 
+#if GTK_CHECK_VERSION (3, 0, 0)
+    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
+#else
     hbox = gtk_hbox_new (FALSE, 12);
+#endif
     gtk_box_pack_start (GTK_BOX (message_area), hbox, FALSE, FALSE, 0);
 
     label = gtk_label_new_with_mnemonic (_("_Title:"));