Fixup 572b06d6: reduce cache size for breakString

[lyx.git] / src / insets / RenderPreview.h

diff --git a/src/insets/RenderPreview.h b/src/insets/RenderPreview.h
index c6dd74d28e6ffdd65e31e3bb76ab84aa82284286..24eda3a6917fda8d7bf1a51cf2d5f85086154e57 100644 (file)
--- a/src/insets/RenderPreview.h
+++ b/src/insets/RenderPreview.h
@@ -21,10 +21,8 @@
 #include "support/docstring.h"
 #include "support/FileMonitor.h"
 #include "support/FileName.h"
+#include "support/signals.h"
 
-#include <boost/signals2.hpp>
-#include <boost/signals2/trackable.hpp>
-#include <boost/signals2/connection.hpp>
 
 namespace lyx {
 
@@ -40,22 +38,21 @@ class PreviewLoader;
 } // namespace graphics
 
 
-class RenderPreview : public RenderBase, public boost::signals2::trackable {
+class RenderPreview : public RenderBase {
 public:
        /// Return true if preview is enabled in text (from LyXRC::preview)
        static bool previewText();
        /// Return true if preview is enabled in mathed (from LyXRC::preview)
        static bool previewMath();
 
-       RenderPreview(Inset const *);
+       explicit RenderPreview(Inset const *);
        RenderPreview(RenderPreview const &, Inset const *);
-       ~RenderPreview();
-       RenderBase * clone(Inset const *) const;
+       RenderBase * clone(Inset const *) const override;
 
        /// Compute the size of the object, returned in dim
-       void metrics(MetricsInfo &, Dimension & dim) const;
+       void metrics(MetricsInfo &, Dimension & dim) const override;
        ///
-       void draw(PainterInfo & pi, int x, int y) const;
+       void draw(PainterInfo & pi, int x, int y, bool const darkmode = false) const override;
 
        /** Find the PreviewLoader and add a LaTeX snippet to it.
         *  Do not start the loading process.
@@ -89,7 +86,7 @@ public:
        getPreviewImage(Buffer const & buffer) const;
 
        /// equivalent to dynamic_cast
-       virtual RenderPreview * asPreview() { return this; }
+       RenderPreview * asPreview() override { return this; }
 
 private:
        /// Not implemented.
@@ -104,7 +101,7 @@ private:
        /** Store the connection to the preview loader so that we connect
         *  only once.
         */
-       boost::signals2::connection ploader_connection_;
+       scoped_connection ploader_connection_;
 
        /// Inform the core that the inset has changed.
        Inset const * parent_;
@@ -113,9 +110,9 @@ private:
 
 class RenderMonitoredPreview : public RenderPreview {
 public:
-       RenderMonitoredPreview(Inset const *);
+       explicit RenderMonitoredPreview(Inset const *);
        ///
-       void draw(PainterInfo & pi, int x, int y) const;
+       void draw(PainterInfo & pi, int x, int y, bool const darkmode = false) const override;
        ///
        void setAbsFile(support::FileName const & file);
        ///
@@ -124,17 +121,19 @@ public:
        void stopMonitoring() const;
 
        /// Connect and you'll be informed when the file changes.
-       typedef boost::signals2::signal<void()> ChangedSig;
-       boost::signals2::connection connect(ChangedSig::slot_type const &);
+       /// Do not forget to track objects used by the slot.
+       typedef signal<void()> sig;
+       typedef sig::slot_type slot;
+       connection connect(slot const & slot);
 
        /// equivalent to dynamic_cast
-       virtual RenderMonitoredPreview * asMonitoredPreview() { return this; }
+       RenderMonitoredPreview * asMonitoredPreview() override { return this; }
 
 private:
        /// This signal is emitted if the file is modified
-       ChangedSig changed_;
+       sig changed_;
        ///
-       mutable support::FileMonitorPtr monitor_;
+       mutable support::ActiveFileMonitorPtr monitor_;
        ///
        support::FileName filename_;
 };