#include "support/docstring.h"
#include "support/FileMonitor.h"
+#include "support/FileName.h"
+#include "support/signals.h"
-#include <boost/signal.hpp>
-#include <boost/signals/trackable.hpp>
-#include <boost/signals/connection.hpp>
namespace lyx {
class Buffer;
-class LyXRC_PreviewStatus;
class MetricsInfo;
class PainterInfo;
-namespace support { class FileName; }
-
namespace graphics {
class PreviewImage;
} // namespace graphics
-class RenderPreview : public RenderBase, public boost::signals::trackable {
+class RenderPreview : public RenderBase {
public:
- /// a wrapper for Previews::status()
- static LyXRC_PreviewStatus status();
+ /// 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;
/// Compute the size of the object, returned in dim
/** Store the connection to the preview loader so that we connect
* only once.
*/
- boost::signals::connection ploader_connection_;
+ signals2::scoped_connection ploader_connection_;
/// Inform the core that the inset has changed.
Inset const * parent_;
class RenderMonitoredPreview : public RenderPreview {
public:
- RenderMonitoredPreview(Inset const *);
+ explicit RenderMonitoredPreview(Inset const *);
///
void draw(PainterInfo & pi, int x, int y) const;
///
void setAbsFile(support::FileName const & file);
///
- bool monitoring() const { return monitor_.monitoring(); }
- void startMonitoring() const { monitor_.start(); }
- void stopMonitoring() const { monitor_.stop(); }
+ bool monitoring() const;
+ void startMonitoring() const;
+ void stopMonitoring() const;
/// Connect and you'll be informed when the file changes.
- typedef support::FileMonitor::slot_type slot_type;
- boost::signals::connection fileChanged(slot_type const &);
+ /// Do not forget to track objects used by the slot.
+ typedef signals2::signal<void()> sig;
+ typedef sig::slot_type slot;
+ signals2::connection connect(slot const & slot);
/// equivalent to dynamic_cast
virtual RenderMonitoredPreview * asMonitoredPreview() { return this; }
private:
+ /// This signal is emitted if the file is modified
+ sig changed_;
+ ///
+ mutable support::ActiveFileMonitorPtr monitor_;
///
- mutable support::FileMonitor monitor_;
+ support::FileName filename_;
};
+
+
} // namespace lyx
#endif // RENDERPREVIEW_H