*
* Full author contact details are available in file CREDITS.
*
- * lyx::graphics::PreviewLoader collects latex snippets together. Then, on a
+ * graphics::PreviewLoader collects latex snippets together. Then, on a
* startLoading() call, these are dumped to file and processed, converting
* each snippet to a separate bitmap image file. Once a bitmap file is ready
* to be loaded back into LyX, the PreviewLoader emits a signal to inform
#ifndef PREVIEWLOADER_H
#define PREVIEWLOADER_H
-#include "LString.h"
-#include <boost/utility.hpp>
-#include <boost/scoped_ptr.hpp>
-#include <boost/signals/signal1.hpp>
+#include "support/signals.h"
-class Buffer;
+#include <QObject>
+
+#include "ColorCode.h"
namespace lyx {
+
+class Buffer;
+
namespace graphics {
class PreviewImage;
-class PreviewLoader : boost::noncopyable {
+class PreviewLoader : public QObject {
+ Q_OBJECT
public:
/** We need buffer because we require the preamble to the
* LaTeX file.
/** Is there an image already associated with this snippet of LaTeX?
* If so, returns a pointer to it, else returns 0.
*/
- PreviewImage const * preview(string const & latex_snippet) const;
+ PreviewImage const * preview(std::string const & latex_snippet) const;
///
enum Status {
};
/// How far have we got in loading the image?
- Status status(string const & latex_snippet) const;
+ Status status(std::string const & latex_snippet) const;
/// Add a snippet of LaTeX to the queue for processing.
- void add(string const & latex_snippet) const;
+ void add(std::string const & latex_snippet) const;
/// Remove this snippet of LaTeX from the PreviewLoader.
- void remove(string const & latex_snippet) const;
+ void remove(std::string const & latex_snippet) const;
/** We have accumulated several latex snippets with status "InQueue".
* Initiate their transformation into bitmap images.
*/
- void startLoading() const;
+ void startLoading(bool wait = false) const;
/** Connect and you'll be informed when the bitmap image file
* has been created and is ready for loading through
* lyx::graphics::PreviewImage::image().
*/
- typedef boost::signal1<void, PreviewImage const &>::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
/// Which buffer owns this loader.
Buffer const & buffer() const;
+ /// The background color used
+ static ColorCode backgroundColor() { return Color_background; }
+ /// The foreground color used
+ static ColorCode foregroundColor() { return Color_preview; }
+
+ double displayPixelRatio() const ;
+
+public Q_SLOTS:
+ ///
+ void refreshPreviews();
private:
+ /// noncopyable
+ PreviewLoader(PreviewLoader const &);
+ void operator=(PreviewLoader const &);
+
/// Use the Pimpl idiom to hide the internals.
class Impl;
/// The pointer never changes although *pimpl_'s contents may.
- boost::scoped_ptr<Impl> const pimpl_;
+ Impl * const pimpl_;
};
} // namespace graphics