Add widget alignment gtk compatability interface.

3 files changed, 74 insertions, 10 deletions

diff --git a/gtk/compat.c b/gtk/compat.c
index 14284fc57..8484c02fd 100644
--- a/gtk/compat.c
+++ b/gtk/compat.c
@@ -543,3 +543,43 @@ gboolean nsgtk_icon_size_lookup_for_settings(GtkSettings *settings,
 	return gtk_icon_size_lookup_for_settings(settings, size, width, height);
 #endif
 }
+
+/* exported interface documented in gtk/compat.h */
+void nsgtk_widget_set_alignment(GtkWidget *widget, GtkAlign halign, GtkAlign valign)
+{
+#if GTK_CHECK_VERSION(3,0,0)
+	gtk_widget_set_halign(widget, halign);
+	gtk_widget_set_valign(widget, valign);
+#else
+	gfloat x, y;
+	switch(halign) {
+	case GTK_ALIGN_START:
+		x = 0.0;
+		break;
+
+	case GTK_ALIGN_END:
+		x = 1.0;
+		break;
+
+	default:
+		x = 0.5;
+		break;
+	}
+
+	switch(valign) {
+	case GTK_ALIGN_START:
+		y = 0.0;
+		break;
+
+	case GTK_ALIGN_END:
+		y = 1.0;
+		break;
+
+	default:
+		y = 0.5;
+		break;
+	}
+
+	gtk_misc_set_alignment(GTK_MISC(widget), x, y);
+#endif
+}
diff --git a/gtk/compat.h b/gtk/compat.h
index 52d10f35e..d35c5d75f 100644
--- a/gtk/compat.h
+++ b/gtk/compat.h
@@ -69,6 +69,31 @@
 #define NSGTK_STOCK_OPEN GTK_STOCK_OPEN
 #endif
 
+/* widget alignment only available since 3.0 */
+#if !GTK_CHECK_VERSION(3,0,0)
+typedef enum  {
+  GTK_ALIGN_FILL,
+  GTK_ALIGN_START,
+  GTK_ALIGN_END,
+  GTK_ALIGN_CENTER,
+  GTK_ALIGN_BASELINE
+} GtkAlign;
+#endif
+
+/**
+ * Set the alignment of a widget.
+ *
+ * sets both the horizontal and vertical alignement of a widget
+ *
+ * @note this type of alignemnt was not available prior to GTK 3.0 so
+ * we emulate it using gtk_misc_set_alignment.
+ *
+ * \param widget The widget to set alignent on.
+ * \param halign The horizontal alignment to set.
+ * \param valign The vertical alignment to set
+ */
+void nsgtk_widget_set_alignment(GtkWidget *widget, GtkAlign halign, GtkAlign valign);
+
 void nsgtk_widget_set_can_focus(GtkWidget *widget, gboolean can_focus);
 gboolean nsgtk_widget_has_focus(GtkWidget *widget);
 gboolean nsgtk_widget_get_visible(GtkWidget *widget);
diff --git a/gtk/tabs.c b/gtk/tabs.c
index f69966c8d..cf2941d8e 100644
--- a/gtk/tabs.c
+++ b/gtk/tabs.c
@@ -19,14 +19,16 @@
 #include <stdint.h>
 #include <string.h>
 
-#include "gtk/compat.h"
-#include "gtk/window.h"
-#include "gtk/gui.h"
+#include "utils/nsoption.h"
+#include "utils/utils.h"
+#include "utils/messages.h"
 #include "desktop/browser.h"
 #include "content/content.h"
-#include "utils/nsoption.h"
 #include "desktop/search.h"
-#include "utils/utils.h"
+
+#include "gtk/compat.h"
+#include "gtk/window.h"
+#include "gtk/gui.h"
 #include "gtk/search.h"
 #include "gtk/tabs.h"
 
@@ -70,13 +72,10 @@ static GtkWidget *nsgtk_tab_label_setup(struct gui_window *window)
 
 	hbox = nsgtk_hbox_new(FALSE, 2);
 
-	if (nsoption_bool(new_blank) == true)
-		label = gtk_label_new("New Tab");
-	else
-		label = gtk_label_new("Loading...");
+	label = gtk_label_new(messages_get("NewTab"));
 	gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);
 	gtk_label_set_single_line_mode(GTK_LABEL(label), TRUE);
-	gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
+	nsgtk_widget_set_alignment(label, GTK_ALIGN_START, GTK_ALIGN_CENTER);
 	gtk_misc_set_padding(GTK_MISC(label), 0, 0);
 	gtk_widget_show(label);