Remove obsolete (and false) comment.

[lyx.git] / src / graphics / PreviewLoader.h

diff --git a/src/graphics/PreviewLoader.h b/src/graphics/PreviewLoader.h
index 23af0138866b3377b2be1546d4b3556303a66318..ca22a9fa5c56706ef327ded5a5868e1ec837ba4d 100644 (file)
--- a/src/graphics/PreviewLoader.h
+++ b/src/graphics/PreviewLoader.h
@@ -18,7 +18,9 @@
 #ifndef PREVIEWLOADER_H
 #define PREVIEWLOADER_H
 
-#include <boost/signal.hpp>
+#include "support/signals.h"
+
+#include <QObject>
 
 #include "ColorCode.h"
 
@@ -30,7 +32,8 @@ namespace graphics {
 
 class PreviewImage;
 
-class PreviewLoader {
+class PreviewLoader : public QObject {
+       Q_OBJECT
 public:
        /** We need buffer because we require the preamble to the
         *  LaTeX file.
@@ -74,10 +77,10 @@ public:
         *  has been created and is ready for loading through
         *  lyx::graphics::PreviewImage::image().
         */
-       typedef boost::signal<void(PreviewImage const &)> sig_type;
-       typedef sig_type::slot_type slot_type;
+       typedef signals2::signal<void(PreviewImage const &)> sig;
+       typedef sig::slot_type slot;
        ///
-       boost::signals::connection connect(slot_type const &) const;
+       signals2::connection connect(slot const &) const;
 
        /** When PreviewImage has finished loading the image file into memory,
         *  it tells the PreviewLoader to tell the outside world
@@ -93,6 +96,10 @@ public:
 
        double displayPixelRatio() const ;
 
+public Q_SLOTS:
+       ///
+       void refreshPreviews();
+
 private:
        /// noncopyable
        PreviewLoader(PreviewLoader const &);