X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Fpsppire-syntax-window.c;h=ccf94e7bf2f0298b7f38c9ca95b07905f744e07c;hb=ec7e9edc4433264efc66e6e3d661c198148f87c9;hp=d3d5e563d5f5268d591076baa05736bdf712663a;hpb=c742f5287ac3c40742091c4f37d368f6206e3d3f;p=pspp

diff --git a/src/ui/gui/psppire-syntax-window.c b/src/ui/gui/psppire-syntax-window.c
index d3d5e563d5..ccf94e7bf2 100644
--- a/src/ui/gui/psppire-syntax-window.c
+++ b/src/ui/gui/psppire-syntax-window.c
@@ -99,10 +99,41 @@ psppire_syntax_window_finalize (GObject *object)
 }
 
 
+static void
+psppire_syntax_window_dispose (GObject *obj)
+{
+  PsppireSyntaxWindow *sw = (PsppireSyntaxWindow *)obj;
+
+  GtkClipboard *clip_selection;
+  GtkClipboard *clip_primary;
+
+  if (sw->dispose_has_run)
+    return;
+
+  clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_CLIPBOARD);
+  clip_primary =   gtk_widget_get_clipboard (GTK_WIDGET (sw), GDK_SELECTION_PRIMARY);
+
+  g_signal_handler_disconnect (clip_primary, sw->sel_handler);
+
+  g_signal_handler_disconnect (clip_selection, sw->ps_handler);
+
+  /* Make sure dispose does not run twice. */
+  sw->dispose_has_run = TRUE;
+
+  /* Chain up to the parent class */
+  G_OBJECT_CLASS (parent_class)->dispose (obj);
+}
+
+
+
 static void
 psppire_syntax_window_class_init (PsppireSyntaxWindowClass *class)
 {
+  GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+
   parent_class = g_type_class_peek_parent (class);
+
+  gobject_class->dispose = psppire_syntax_window_dispose;
 }
 
 
@@ -284,8 +315,12 @@ on_edit_paste (PsppireSyntaxWindow *sw)
 				  sw);
 }
 
+
+/* Check to see if CLIP holds a target which we know how to paste,
+   and set the sensitivity of the Paste action accordingly.
+ */
 static void
-on_owner_change (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data)
+set_paste_sensitivity (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data)
 {
   gint i;
   gboolean compatible_target = FALSE;
@@ -436,7 +471,7 @@ save_editor_to_file (PsppireSyntaxWindow *se,
   if ( result )
     {
       char *fn = g_filename_display_name (filename);
-      gchar *msg = g_strdup_printf (_("Saved file \"%s\""), fn);
+      gchar *msg = g_strdup_printf (_("Saved file `%s'"), fn);
       g_free (fn);
       gtk_statusbar_push (GTK_STATUSBAR (se->sb), se->text_context, msg);
       gtk_text_buffer_set_modified (buffer, FALSE);
@@ -575,11 +610,8 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window)
   GtkClipboard *clip_selection = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
   GtkClipboard *clip_primary =   gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_PRIMARY);
 
-  g_signal_connect_swapped (clip_primary, "owner-change", G_CALLBACK (selection_changed), window);
-
-  g_signal_connect (clip_selection, "owner-change", G_CALLBACK (on_owner_change), window);
-
   window->cliptext = NULL;
+  window->dispose_has_run = FALSE;
 
   window->edit_delete = get_action_assert (xml, "edit_delete");
   window->edit_copy = get_action_assert (xml, "edit_copy");
@@ -592,11 +624,18 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window)
   window->sb = get_widget_assert (xml, "statusbar2");
   window->text_context = gtk_statusbar_get_context_id (GTK_STATUSBAR (window->sb), "Text Context");
 
-  g_signal_connect (window->buffer, "changed", G_CALLBACK (on_text_changed), window);
+  g_signal_connect (window->buffer, "changed", 
+		    G_CALLBACK (on_text_changed), window);
 
-  g_signal_connect (window->buffer, "modified-changed",
+  g_signal_connect (window->buffer, "modified-changed", 
 		    G_CALLBACK (on_modified_changed), window);
 
+  window->sel_handler = g_signal_connect_swapped (clip_primary, "owner-change", 
+						   G_CALLBACK (selection_changed), window);
+
+  window->ps_handler = g_signal_connect (clip_selection, "owner-change", 
+					  G_CALLBACK (set_paste_sensitivity), window);
+
   connect_help (xml);
 
   gtk_container_add (GTK_CONTAINER (window), box);
@@ -607,7 +646,6 @@ psppire_syntax_window_init (PsppireSyntaxWindow *window)
 
   g_object_ref (window->sb);
 
-
   gtk_box_pack_start (GTK_BOX (box), menubar, FALSE, TRUE, 0);
   gtk_box_pack_start (GTK_BOX (box), sw, TRUE, TRUE, 0);
   gtk_box_pack_start (GTK_BOX (box), window->sb, FALSE, TRUE, 0);
@@ -719,7 +757,7 @@ error_dialog (GtkWindow *w, const gchar *filename,  GError *err)
 			    GTK_DIALOG_DESTROY_WITH_PARENT,
 			    GTK_MESSAGE_ERROR,
 			    GTK_BUTTONS_CLOSE,
-			    _("Cannot load syntax file '%s'"),
+			    _("Cannot load syntax file `%s'"),
 			    fn);
 
   g_free (fn);
@@ -787,5 +825,3 @@ psppire_syntax_window_iface_init (PsppireWindowIface *iface)
   iface->load = syntax_load;
 }
 
-
-