#include "RenderBase.h"
-#include "support/FileMonitor.h"
#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(InsetBase const *);
- RenderPreview(RenderPreview const &, InsetBase const *);
- std::auto_ptr<RenderBase> clone(InsetBase const *) const;
+ explicit RenderPreview(Inset const *);
+ RenderPreview(RenderPreview const &, Inset const *);
+ RenderBase * clone(Inset const *) const;
/// Compute the size of the object, returned in dim
- bool metrics(MetricsInfo &, Dimension & dim) const;
+ void metrics(MetricsInfo &, Dimension & dim) const;
///
void draw(PainterInfo & pi, int x, int y) const;
/** Find the PreviewLoader and add a LaTeX snippet to it.
* Do not start the loading process.
+ * \param ignore_lyxrc: generate the preview no matter what LyXRC says
*/
- void addPreview(docstring const & latex_snippet, Buffer const &);
+ void addPreview(docstring const & latex_snippet, Buffer const &,
+ bool ignore_lyxrc = false);
/** Add a LaTeX snippet to the PreviewLoader.
* Do not start the loading process.
+ * \param ignore_lyxrc: generate the preview no matter what LyXRC says
*/
void addPreview(docstring const & latex_snippet,
- graphics::PreviewLoader & ploader);
+ graphics::PreviewLoader & ploader,
+ bool ignore_lyxrc = false);
/// Begin the loading process.
- void startLoading(Buffer const & buffer) const;
+ /// \param forexport : whether this is intended for export. if so,
+ /// then we ignore LyXRC and wait for the image to be generated.
+ void startLoading(Buffer const & buffer, bool forexport = false) const;
/** Remove a snippet from the cache of previews.
* Useful if previewing the contents of a file that has changed.
/** 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.
- InsetBase const * parent_;
+ Inset const * parent_;
};
class RenderMonitoredPreview : public RenderPreview {
public:
- RenderMonitoredPreview(InsetBase 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::FileMonitor monitor_;
+ mutable support::ActiveFileMonitorPtr monitor_;
+ ///
+ support::FileName filename_;
};
+
+
} // namespace lyx
#endif // RENDERPREVIEW_H