* src/LyXAction.C: mark goto-clear-bookmark as working without buffer

[lyx.git] / src / insets / render_preview.C

diff --git a/src/insets/render_preview.C b/src/insets/render_preview.C
index 21ce5c58b68c33c273ca0ec96d8b2c679cae1818..5badea260db3690bd1119f9f68fb81e19a8ced4d 100644 (file)
--- a/src/insets/render_preview.C
+++ b/src/insets/render_preview.C
@@ -28,6 +28,7 @@
 #include "graphics/PreviewLoader.h"
 #include "graphics/Previews.h"
 
+#include "support/filename.h"
 #include "support/lstrings.h"
 
 #include <boost/bind.hpp>
@@ -35,6 +36,8 @@
 
 namespace lyx {
 
+using support::FileName;
+
 using std::string;
 using std::auto_ptr;
 
@@ -110,7 +113,7 @@ RenderPreview::getPreviewImage(Buffer const & buffer) const
 }
 
 
-void RenderPreview::metrics(MetricsInfo & mi, Dimension & dim) const
+bool RenderPreview::metrics(MetricsInfo & mi, Dimension & dim) const
 {
        BOOST_ASSERT(mi.base.bv && mi.base.bv->buffer());
 
@@ -132,7 +135,9 @@ void RenderPreview::metrics(MetricsInfo & mi, Dimension & dim) const
                dim.wid = 15 + theFontMetrics(font).width(stat);
        }
 
+       bool const changed = dim_ != dim;
        dim_ = dim;
+       return changed;
 }
 
 
@@ -238,11 +243,11 @@ void RenderPreview::imageReady(graphics::PreviewImage const & pimage)
 
 RenderMonitoredPreview::RenderMonitoredPreview(InsetBase const * inset)
        : RenderPreview(inset),
-         monitor_(std::string(), 2000)
+         monitor_(FileName(), 2000)
 {}
 
 
-void RenderMonitoredPreview::setAbsFile(string const & file)
+void RenderMonitoredPreview::setAbsFile(FileName const & file)
 {
        monitor_.reset(file);
 }