#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>
class FuncRequest;
class FuncStatus;
class Intl;
-class Language;
-class LCursor;
-class LyXText;
+class Cursor;
+class Text;
class ParIterator;
+class ParagraphMetrics;
class ViewMetricsInfo;
/// Scrollbar Parameters.
* is a sliding window of the entire document rendering.
* It is the official interface between the LyX core and
* the frontend WorkArea.
- *
+ *
* \sa WorkArea
* \sa Buffer
* \sa CoordCache
*/
class BufferView : boost::noncopyable {
public:
- BufferView();
+ ///
+ BufferView(Buffer & buffer);
~BufferView();
- /// set the buffer we are viewing.
- /// \todo FIXME: eventually, we will create a new BufferView
- /// when switching Buffers, so this method should go.
- void setBuffer(Buffer * b);
/// return the buffer being viewed.
- Buffer * buffer() const;
-
- /// resize the BufferView.
- void resize();
-
- /// redisplay the referenced buffer.
- void reload();
- /// load a buffer into the view.
- bool loadLyXFile(support::FileName const & name, bool tolastfiles = true);
+ Buffer & buffer();
+ Buffer const & buffer() const;
/// perform pending metrics updates.
/** \c Update::FitCursor means first to do a FitCursor, and to
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 true if success
+ bool 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 the pixel height of the document view.
int workHeight() const;
- /// switch between primary and secondary keymaps for RTL entry.
- void switchKeyMap();
+ /// translate and insert a character, using the correct keymap.
+ void translateAndInsert(char_type c, Text * t, Cursor & cur);
/// 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.
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.
- bool 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,
std::string data)> updateDialog;
/// This signal is emitted when the layout at the cursor is changed.
- boost::signal<void(std::string layout)> layoutChanged;
+ boost::signal<void(docstring layout)> layoutChanged;
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_;
///
///
CoordCache coord_cache_;
///
- Buffer * buffer_;
+ Buffer & buffer_;
/// Estimated average par height for scrollbar.
int wh_;
bool set;
} xsel_cache_;
///
- LCursor cursor_;
+ Cursor cursor_;
///
bool multiparsel_cache_;
///
pit_type anchor_ref_;
///
int offset_ref_;
+ ///
+ void updateOffsetRef();
+ ///
+ bool need_centering_;
/// keyboard mapping object.
boost::scoped_ptr<Intl> const intl_;
/// last visited inset (kept to send setMouseHover(false) )
- InsetBase * last_inset_;
+ Inset * last_inset_;
+
+ /// A map from a Text to the associated text metrics
+ typedef std::map<Text const *, TextMetrics> TextMetricsCache;
+ mutable TextMetricsCache text_metrics_;
};
projects / lyx.git / blobdiff