pluma: Add GTK3 support

pluma/pluma-window.c

@@ -38,6 +38,7 @@
 
 #include <glib/gi18n.h>
 #include <gio/gio.h>
+#include <gtksourceview/gtksource.h>
 
 #include "pluma-ui.h"
 #include "pluma-window.h"
@@ -61,6 +62,10 @@
 #include "osx/pluma-osx.h"
 #endif
 
+#if GTK_CHECK_VERSION (3, 0, 0)
+#define GTK_WIDGET_VISIBLE gtk_widget_get_visible
+#endif
+
 #define LANGUAGE_NONE (const gchar *)"LangNone"
 #define PLUMA_UIFILE "pluma-ui.xml"
 #define TAB_WIDTH_DATA "PlumaWindowTabWidthData"
@@ -2434,8 +2439,12 @@ language_changed (GObject     *object,
 }
 
 static void 
-notebook_switch_page (GtkNotebook     *book, 
+notebook_switch_page (GtkNotebook     *book,
+#if GTK_CHECK_VERSION (3, 0, 0)
+		      GtkWidget       *pg,
+#else
 		      GtkNotebookPage *pg,
+#endif
 		      gint             page_num, 
 		      PlumaWindow     *window)
 {
@@ -3597,13 +3606,20 @@ static void
 vpaned_restore_position (GtkWidget   *widget,
 			 PlumaWindow *window)
 {
+	GtkAllocation allocation;
 	gint pos;
 
+#if GTK_CHECK_VERSION (3, 0, 0)
+	gtk_widget_get_allocation (widget, &allocation);
+#else
+	allocation = widget->allocation;
+#endif
+
 	pluma_debug_message (DEBUG_WINDOW,
 			     "Restoring vpaned position: bottom panel size %d",
 			     window->priv->bottom_panel_size);
 
-	pos = widget->allocation.height -
+	pos = allocation.height -
 	      MAX (50, window->priv->bottom_panel_size);
 	gtk_paned_set_position (GTK_PANED (window->priv->vpaned), pos);