// -*- C++ -*-
/**
- * \file paragraph.h
- * Copyright 1995 Matthias Ettrich
- * Copyright 2002 the LyX Team
- * Read the file COPYING
+ * \file paragraph.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Asger Alstrup
+ * \author Lars Gullik Bjønnes
+ * \author John Levon
+ * \author André Pönitz
+ * \author Jürgen Vigna
+ *
+ * Full author contact details are available in file CREDITS.
*/
#ifndef PARAGRAPH_H
#define PARAGRAPH_H
-#ifdef __GNUG__
-#pragma interface
-#endif
-
#include "lyxlayout_ptr_fwd.h"
#include "lyxfont.h" // Just for LyXFont::FONT_SIZE
#include "InsetList.h"
-#include "insets/inset.h" // Just for Inset::Code
+#include "insets/inset.h" // Just for InsetOld::Code
#include "support/types.h"
#include "changes.h"
+#include "RowList.h"
#include "LString.h"
+class Buffer;
class BufferParams;
class BufferView;
class Counters;
-class InsetBibKey;
+class InsetBibitem;
class Language;
class LaTeXFeatures;
+class LatexRunParams;
class ParagraphParameters;
class TexRow;
-
-// Define this if you want to try out the new storage container for
-// paragraphs. (Lgb)
-// This is non working and far from finished.
-// #define NO_NEXT 1
+class ParagraphList;
+class UpdatableInset;
/// A Paragraph holds all text, attributes and insets in a text paragraph
class Paragraph {
public:
///
enum META_KIND {
- ///
- META_HFILL = 1,
- ///
- META_NEWLINE,
- ///
- META_INSET
+ /// Note that this is 1 right now to avoid
+ /// crashes where getChar() is called wrongly
+ /// (returning 0) - if this was 0, then we'd
+ /// try getInset() and crash. We should fix
+ /// all these places.
+ META_INSET = 1
};
///
typedef char value_type;
///
Paragraph();
-#ifndef NO_NEXT
- /// this constructor inserts the new paragraph in a list
- explicit
- Paragraph(Paragraph * par);
-#endif
+
///
- Paragraph(Paragraph const &, bool same_ids);
+ Paragraph(Paragraph const &);
+ ///
+ void operator=(Paragraph const &);
/// the destructor removes the new paragraph from the list
~Paragraph();
bool isMultiLingual(BufferParams const &);
///
- string const asString(Buffer const *, bool label) const;
+ string const asString(Buffer const &, bool label) const;
///
- string const asString(Buffer const *, lyx::pos_type beg, lyx::pos_type end,
+ string const asString(Buffer const &, lyx::pos_type beg, lyx::pos_type end,
bool label) const;
///
- void write(Buffer const *, std::ostream &, BufferParams const &,
+ void write(Buffer const &, std::ostream &, BufferParams const &,
depth_type & depth) const;
///
void validate(LaTeXFeatures &) const;
/// return the unique ID of this paragraph
int id() const;
- ///
- void read();
-
- ///
- Paragraph * TeXOnePar(Buffer const *, BufferParams const &,
- std::ostream &, TexRow & texrow,
- bool moving_arg);
+ /// Set the Id of this paragraph.
+ void id(int);
///
int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
///
- bool simpleTeXOnePar(Buffer const *, BufferParams const &,
- std::ostream &, TexRow & texrow, bool moving_arg);
+ bool simpleTeXOnePar(Buffer const &, BufferParams const &,
+ LyXFont const & outerfont, std::ostream &,
+ TexRow & texrow, LatexRunParams const &);
///
- Paragraph * TeXEnvironment(Buffer const *, BufferParams const &,
- std::ostream &, TexRow & texrow);
- ///
- bool hasSameLayout(Paragraph const * par) const;
+ bool hasSameLayout(Paragraph const & par) const;
///
- void makeSameLayout(Paragraph const * par);
-
- /// Is it the first par with same depth and layout?
- bool isFirstInSequence() const;
+ void makeSameLayout(Paragraph const & par);
- /** Check if the current paragraph is the last paragraph in a
- proof environment */
- int getEndLabel() const;
///
- Inset * inInset() const;
+ UpdatableInset * inInset() const;
///
- void setInsetOwner(Inset * i);
+ void setInsetOwner(UpdatableInset * inset);
///
void deleteInsetsLyXText(BufferView *);
- ///
- void resizeInsetsLyXText(BufferView *);
///
lyx::pos_type size() const;
///
bool empty() const;
///
- void setContentsFromPar(Paragraph * par);
+ void setContentsFromPar(Paragraph const & par);
///
void clearContents();
char itemdepth;
///
- InsetBibKey * bibkey; // ale970302
-
-#ifndef NO_NEXT
- ///
- void next(Paragraph *);
- /** these function are able to hide closed footnotes
- */
- Paragraph * next();
- ///
- Paragraph const * next() const;
+ InsetBibitem * bibitem() const; // ale970302
/// initialise tracking for this par
void trackChanges(Change::Type = Change::UNCHANGED);
-
+
/// stop tracking
void untrackChanges();
-
+
/// set entire paragraph to new text for change tracking
void cleanChanges();
-
+
/// look up change type at given pos
Change::Type lookupChange(lyx::pos_type pos) const;
-
+
/// look up change at given pos
Change const lookupChangeFull(lyx::pos_type pos) const;
-
+
/// is there a change within the given range ?
bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
/// is there a non-addition in this range ?
bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
-
+
+ /// set change at pos
+ void setChange(lyx::pos_type pos, Change::Type type);
+
/// accept change
void acceptChange(lyx::pos_type start, lyx::pos_type end);
/// reject change
void rejectChange(lyx::pos_type start, lyx::pos_type end);
-
+
/// mark whole par as erased
void markErased();
-
- ///
- void previous(Paragraph *);
- ///
- Paragraph * previous();
- ///
- Paragraph const * previous() const;
-#endif
- /// for the environments
- Paragraph * depthHook(depth_type depth);
- /// for the environments
- Paragraph const * depthHook(depth_type depth) const;
- ///
- Paragraph * outerHook();
- ///
- Paragraph const * outerHook() const;
- ///
- int beginningOfMainBody() const;
+
+ /// Paragraphs can contain "manual labels", for example, Description
+ /// environment. The text for this user-editable label is stored in
+ /// the paragraph alongside the text of the rest of the paragraph
+ /// (the body). This function returns the starting position of the
+ /// body of the text in the paragraph.
+ int beginningOfBody() const;
+
///
string const & getLabelstring() const;
depth_type getMaxDepthAfter() const;
///
void applyLayout(LyXLayout_ptr const & new_layout);
-
+
+ /// definite erase
+ void eraseIntern(lyx::pos_type pos);
/// erase the char at the given position
- void erase(lyx::pos_type pos);
- /// erase the given range. Returns true if actually erased.
- bool erase(lyx::pos_type start, lyx::pos_type end);
-
+ bool erase(lyx::pos_type pos);
+ /// erase the given range. Returns the number of chars actually erased
+ int erase(lyx::pos_type start, lyx::pos_type end);
+
/** Get uninstantiated font setting. Returns the difference
between the characters font and the layoutfont.
This is what is stored in the fonttable
attributes with values LyXFont::INHERIT, LyXFont::IGNORE or
LyXFont::TOGGLE.
*/
- LyXFont const getFont(BufferParams const &, lyx::pos_type pos) const;
- LyXFont const getLayoutFont(BufferParams const &) const;
- LyXFont const getLabelFont(BufferParams const &) const;
+ LyXFont const getFont(BufferParams const &, lyx::pos_type pos,
+ LyXFont const & outerfont) const;
+ LyXFont const getLayoutFont(BufferParams const &,
+ LyXFont const & outerfont) const;
+ LyXFont const getLabelFont(BufferParams const &,
+ LyXFont const & outerfont) const;
+ /**
+ * The font returned by the above functions is the same in a
+ * span of characters. This method will return the last position
+ * in the paragraph for which that font is the same.
+ * This can be used to avoid unnecessary calls to getFont.
+ */
+ lyx::pos_type getEndPosOfFontSpan(lyx::pos_type pos) const;
///
value_type getChar(lyx::pos_type pos) const;
///
///
bool checkInsertChar(LyXFont &);
///
- void insertInset(lyx::pos_type pos, Inset * inset);
+ void insertInset(lyx::pos_type pos, InsetOld * inset);
///
- void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
+ void insertInset(lyx::pos_type pos, InsetOld * inset, LyXFont const &, Change change = Change(Change::INSERTED));
///
- bool insetAllowed(Inset::Code code);
+ bool insetAllowed(InsetOld::Code code);
///
- Inset * getInset(lyx::pos_type pos);
+ InsetOld * getInset(lyx::pos_type pos);
///
- Inset const * getInset(lyx::pos_type pos) const;
- /** important for cut and paste
- Temporary change from BufferParams to Buffer. Will revert when we
- get rid of the argument to Inset::clone(Buffer const &) */
- void copyIntoMinibuffer(Buffer const &, lyx::pos_type pos) const;
- ///
- void cutIntoMinibuffer(BufferParams const &, lyx::pos_type pos);
- ///
- bool insertFromMinibuffer(lyx::pos_type pos);
+ InsetOld const * getInset(lyx::pos_type pos) const;
///
bool isHfill(lyx::pos_type pos) const;
bool isWord(lyx::pos_type pos) const;
/// returns -1 if inset not found
- int getPositionOfInset(Inset const * inset) const;
-
- /// some good comment here John?
- Paragraph * getParFromID(int id) const;
+ int getPositionOfInset(InsetOld const * inset) const;
///
int stripLeadingSpaces();
- ///
+ /// return true if we allow multiple spaces
bool isFreeSpacing() const;
+ /// return true if we allow this par to stay empty
+ bool allowEmpty() const;
+
///
ParagraphParameters & params();
///
ParagraphParameters const & params() const;
///
InsetList insetlist;
+
///
- //Counters & counters();
+ mutable RowList rows;
+ /// last draw y position (baseline of top row)
+ int y;
- friend void breakParagraph(BufferParams const & bparams,
- Paragraph * par, lyx::pos_type pos, int flag);
-
private:
///
LyXLayout_ptr layout_;
- /// if anything uses this we don't want it to.
- Paragraph(Paragraph const &);
-#ifndef NO_NEXT
- ///
- Paragraph * next_;
- ///
- Paragraph * previous_;
-#endif
+
struct Pimpl;
///
friend struct Paragraph::Pimpl;
///
Pimpl * pimpl_;
+
};
-
-inline bool isInsertedText(Paragraph const * par, lyx::pos_type pos)
+
+inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
{
- return par->lookupChange(pos) == Change::INSERTED;
+ return par.lookupChange(pos) == Change::INSERTED;
}
-
-
-inline bool isDeletedText(Paragraph const * par, lyx::pos_type pos)
+
+
+inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
{
- return par->lookupChange(pos) == Change::DELETED;
+ return par.lookupChange(pos) == Change::DELETED;
}
-
+
#endif // PARAGRAPH_H