#ifndef BUFFER_VIEW_H
#define BUFFER_VIEW_H
-#include "coordcache.h"
-#include "cursor.h"
-#include "metricsinfo.h"
-#include "UpdateFlags.h"
+#include "CoordCache.h"
+#include "Cursor.h"
+#include "MetricsInfo.h"
+#include "TextMetrics.h"
+#include "update_flags.h"
+
#include "support/types.h"
+#include <boost/tuple/tuple.hpp>
#include <boost/utility.hpp>
#include <boost/signal.hpp>
namespace lyx {
+namespace support { class FileName; }
+
class Buffer;
class Change;
class DocIterator;
class FuncRequest;
class FuncStatus;
class Intl;
-class Language;
-class LCursor;
-class LyXText;
+class Cursor;
+class Text;
class ParIterator;
+class ParagraphMetrics;
class ViewMetricsInfo;
/// Scrollbar Parameters.
/// resize the BufferView.
void resize();
- /// redisplay the referenced buffer.
- void reload();
/// load a buffer into the view.
- bool loadLyXFile(std::string const & name, bool tolastfiles = true);
-
- /// perform pending painting updates.
- /** \c fitcursor means first
- * to do a fitcursor, and to force an update if screen
- * position changes. \c forceupdate means to force an update
- * in any case.
- * \retval (false, xxx) if no redraw is required
- * \retval (true, true) if a single paragraph redraw is needed
- * \retval (true, false) if a full redraw is needed
+ bool loadLyXFile(support::FileName const & name, bool tolastfiles = true);
+
+ /// perform pending metrics updates.
+ /** \c Update::FitCursor means first to do a FitCursor, and to
+ * force an update if screen position changes.
+ * \c Update::Force means to force an update in any case.
+ * \retval true if a screen redraw is needed
*/
- std::pair<bool, bool> update(Update::flags flags = Update::FitCursor | Update::Force);
+ bool update(Update::flags flags = Update::FitCursor | Update::Force);
/// move the screen to fit the cursor.
/// Only to be called with good y coordinates (after a bv::metrics)
ScrollbarParameters const & scrollbarParameters() const;
/// Save the current position as bookmark.
- /// if persistent=false, save to temp_bookmark
- void saveBookmark(bool persistent);
- /// goto a specified position.
- void moveToPosition(
- int par_id, ///< Paragraph ID, \sa Paragraph
- pos_type par_pos ///< Position in the \c Paragraph
+ /// if idx == 0, save to temp_bookmark
+ void saveBookmark(unsigned int idx);
+ /// goto a specified position, try top_id first, and then bottom_pit
+ /// return the bottom_pit and top_id of the new paragraph
+ boost::tuple<pit_type, pos_type, int> moveToPosition(
+ pit_type bottom_pit, ///< Paragraph pit, used when par_id is zero or invalid.
+ pos_type bottom_pos, ///< Paragraph pit, used when par_id is zero or invalid.
+ int top_id, ///< Paragraph ID, \sa Paragraph
+ pos_type top_pos ///< Position in the \c Paragraph
);
/// return the current change at the cursor.
Change const getCurrentChange() const;
- /// return the lyxtext we are using.
- LyXText * getLyXText();
-
- /// return the lyxtext we are using.
- LyXText const * getLyXText() const;
-
/// move cursor to the named label.
void gotoLabel(docstring const & label);
/// return true for events that will handle.
FuncStatus getStatus(FuncRequest const & cmd);
/// execute the given function.
- bool dispatch(FuncRequest const & argument);
+ /// \return the Update::flags for further metrics update.
+ Update::flags dispatch(FuncRequest const & argument);
/// request an X11 selection.
/// \return the selected string.
/// dispatch method helper for \c WorkArea
/// \sa WorkArea
- /// \retval (false, xxx) if no redraw is required
- /// \retval (true, true) if a single paragraph redraw is needed
- /// \retval (true, false) if a full redraw is needed
- std::pair<bool, bool> workAreaDispatch(FuncRequest const & ev);
+ /// \retval true if a redraw is needed
+ bool workAreaDispatch(FuncRequest const & ev);
/// access to anchor.
pit_type anchor_ref() const;
/// access to full cursor.
- LCursor & cursor();
+ Cursor & cursor();
/// access to full cursor.
- LCursor const & cursor() const;
+ Cursor const & cursor() const;
/// sets cursor.
/// This will also open all relevant collapsable insets.
void setCursor(DocIterator const &);
+ /// Check deleteEmptyParagraphMechanism and update metrics if needed.
+ /// \retval true if an update was needed.
+ bool checkDepm(Cursor & cur, Cursor & old);
/// sets cursor.
/// This is used when handling LFUN_MOUSE_PRESS.
- void mouseSetCursor(LCursor & cur);
+ bool mouseSetCursor(Cursor & cur);
/// sets the selection.
/* When \c backwards == false, set anchor
/// \param singlepar indicates wether
void updateMetrics(bool singlepar = false);
+ ///
+ TextMetrics const & textMetrics(Text const * t) const;
+ TextMetrics & textMetrics(Text const * t);
+ ///
+ ParagraphMetrics const & parMetrics(Text const *, pit_type) const;
+
///
CoordCache & coordCache() {
return coord_cache_;
/// This signal is emitted when some inset dialogs needs to be shown.
boost::signal<void(std::string name, std::string data,
- InsetBase * inset)> showInsetDialog;
+ Inset * inset)> showInsetDialog;
/// This signal is emitted when some dialogs needs to be updated.
boost::signal<void(std::string name,
private:
///
bool multiParSel();
+
+ /// Search recursively for the the innermost inset that covers (x, y) position.
+ /// \retval 0 if no inset is found.
+ Inset const * getCoveringInset(
+ Text const & text, //< The Text where we start searching.
+ int x, //< x-coordinate on screen
+ int y //< y-coordinate on screen
+ );
+
///
int width_;
///
bool set;
} xsel_cache_;
///
- LCursor cursor_;
+ Cursor cursor_;
///
bool multiparsel_cache_;
///
/// keyboard mapping object.
boost::scoped_ptr<Intl> const intl_;
+
+ /// last visited inset (kept to send setMouseHover(false) )
+ Inset * last_inset_;
+
+ /// A map from a Text to the associated text metrics
+ typedef std::map<Text const *, TextMetrics> TextMetricsCache;
+ mutable TextMetricsCache text_metrics_;
};