+ gboolean sel = gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (sw->buffer));
+
+ g_object_set (sw->edit_copy, "enabled", sel, NULL);
+ g_object_set (sw->edit_cut, "enabled", sel, NULL);
+ g_object_set (sw->edit_delete, "enabled", sel, NULL);
+}
+
+/* The callback which runs when something request clipboard data */
+static void
+clipboard_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ PsppireSyntaxWindow *sw = data;
+ g_assert (info == SELECT_FMT_TEXT);
+
+ gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data),
+ 8,
+ (const guchar *) sw->cliptext, strlen (sw->cliptext));
+
+}
+
+static void
+clipboard_clear_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ PsppireSyntaxWindow *sw = data;
+ g_free (sw->cliptext);
+ sw->cliptext = NULL;
+}
+
+static gchar tn1[] = "UTF8_STRING";
+static gchar tn2[] = "STRING";
+static gchar tn3[] = "TEXT";
+static gchar tn4[] = "COMPOUND_TEXT";
+static gchar tn5[] = "text/plain;charset=utf-8";
+static gchar tn6[] = "text/plain";
+
+static const GtkTargetEntry targets[] = {
+ { tn1, 0, SELECT_FMT_TEXT },
+ { tn2, 0, SELECT_FMT_TEXT },
+ { tn3, 0, SELECT_FMT_TEXT },
+ { tn4, 0, SELECT_FMT_TEXT },
+ { tn5, 0, SELECT_FMT_TEXT },
+ { tn6, 0, SELECT_FMT_TEXT }
+};
+
+/*
+ Store a clip containing the currently selected text.
+ Returns true iff something was set.
+ As a side effect, begin and end will be set to indicate
+ the limits of the selected text.
+*/
+static gboolean
+set_clip (PsppireSyntaxWindow *sw, GtkTextIter *begin, GtkTextIter *end)
+{
+ GtkClipboard *clipboard ;
+ GtkTextBuffer *buffer = GTK_TEXT_BUFFER (sw->buffer);
+
+ if (! gtk_text_buffer_get_selection_bounds (buffer, begin, end))
+ return FALSE;
+
+ g_free (sw->cliptext);
+ sw->cliptext = gtk_text_buffer_get_text (buffer, begin, end, FALSE);
+
+ clipboard =
+ gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_CLIPBOARD);
+
+ if (!gtk_clipboard_set_with_owner (clipboard, targets,
+ G_N_ELEMENTS (targets),
+ clipboard_get_cb, clipboard_clear_cb,
+ G_OBJECT (sw)))
+ clipboard_clear_cb (clipboard, sw);
+
+ return TRUE;
+}
+
+static void
+on_edit_cut (PsppireSyntaxWindow *sw)
+{
+ GtkTextIter begin, end;
+
+ if (set_clip (sw, &begin, &end))
+ gtk_text_buffer_delete (GTK_TEXT_BUFFER (sw->buffer), &begin, &end);