lyx_mirror/src/paragraph.h
Lars Gullik Bjønnes 311e5951ee parlist-2-a.diff
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6689 a592a061-630c-0410-9148-cb99ea01b6c8
2003-04-02 21:19:35 +00:00

366 lines
9.1 KiB
C++

// -*- C++ -*-
/**
* \file paragraph.h
* Copyright 1995 Matthias Ettrich
* Copyright 2002 the LyX Team
* Read the file COPYING
*/
#ifndef PARAGRAPH_H
#define PARAGRAPH_H
#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 "support/types.h"
#include "changes.h"
#include "ParagraphList.h"
#include "LString.h"
class BufferParams;
class BufferView;
class Counters;
class InsetBibitem;
class Language;
class LaTeXFeatures;
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
/// A Paragraph holds all text, attributes and insets in a text paragraph
class Paragraph {
public:
// Remove this whan ParagraphList transition is over. (Lgb)
friend class ParagraphList;
friend class ParagraphList::iterator;
///
enum META_KIND {
/// 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;
/// The same as ParameterStruct::depth_type
typedef unsigned int depth_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);
/// the destructor removes the new paragraph from the list
~Paragraph();
///
Language const * getParLanguage(BufferParams const &) const;
///
bool isRightToLeftPar(BufferParams const &) const;
///
void changeLanguage(BufferParams const & bparams,
Language const * from, Language const * to);
///
bool isMultiLingual(BufferParams const &);
///
string const asString(Buffer const *, bool label) const;
///
string const asString(Buffer const *, lyx::pos_type beg, lyx::pos_type end,
bool label) 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();
///
int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
///
int endTeXParParams(BufferParams const &, std::ostream &, bool) const;
///
bool simpleTeXOnePar(Buffer const *, BufferParams const &,
std::ostream &, TexRow & texrow, bool moving_arg);
///
bool hasSameLayout(Paragraph const * par) const;
///
void makeSameLayout(Paragraph const * par);
/// Is it the first par with same depth and layout?
bool isFirstInSequence() const;
/** Check if the current paragraph is the last paragraph in a
proof environment */
int getEndLabel() const;
///
Inset * inInset() const;
///
void setInsetOwner(Inset * i);
///
void deleteInsetsLyXText(BufferView *);
///
void resizeInsetsLyXText(BufferView *);
///
lyx::pos_type size() const;
///
bool empty() const;
///
void setContentsFromPar(Paragraph * par);
///
void clearContents();
///
LyXLayout_ptr const & layout() const;
///
void layout(LyXLayout_ptr const & new_layout);
///
char enumdepth;
///
char itemdepth;
///
InsetBibitem * bibitem(); // ale970302
#ifndef NO_NEXT
///
void next(Paragraph *);
/** these function are able to hide closed footnotes
*/
Paragraph * next();
///
Paragraph const * next() const;
///
void previous(Paragraph *);
///
Paragraph * previous();
///
Paragraph const * previous() const;
#endif
/// 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();
/// for the environments
Paragraph * depthHook(depth_type depth);
/// for the environments
Paragraph const * depthHook(depth_type depth) const;
///
Paragraph * outerHook();
///
Paragraph const * outerHook() 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;
/// the next two functions are for the manual labels
string const getLabelWidthString() const;
///
void setLabelWidthString(string const & s);
///
char getAlign() const;
/// The nesting depth of a paragraph
depth_type getDepth() const;
/// The maximal possible depth of a paragraph after this one
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);
/** Get uninstantiated font setting. Returns the difference
between the characters font and the layoutfont.
This is what is stored in the fonttable
*/
LyXFont const
getFontSettings(BufferParams const &, lyx::pos_type pos) const;
///
LyXFont const getFirstFontSettings() const;
/** Get fully instantiated font. If pos == -1, use the layout
font attached to this paragraph.
If pos == -2, use the label font of the layout attached here.
In all cases, the font is instantiated, i.e. does not have any
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;
///
value_type getChar(lyx::pos_type pos) const;
///
value_type getUChar(BufferParams const &, lyx::pos_type pos) const;
/// The position must already exist.
void setChar(lyx::pos_type pos, value_type c);
/// pos <= size() (there is a dummy font change at the end of each par)
void setFont(lyx::pos_type pos, LyXFont const & font);
/// Returns the height of the highest font in range
LyXFont::FONT_SIZE
highestFontInRange(lyx::pos_type startpos,
lyx::pos_type endpos,
LyXFont::FONT_SIZE const def_size) const;
///
void insertChar(lyx::pos_type pos, value_type c);
///
void insertChar(lyx::pos_type pos, value_type c, LyXFont const &, Change change = Change(Change::INSERTED));
///
bool checkInsertChar(LyXFont &);
///
void insertInset(lyx::pos_type pos, Inset * inset);
///
void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
///
bool insetAllowed(Inset::Code code);
///
Inset * 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);
///
bool isHfill(lyx::pos_type pos) const;
///
bool isInset(lyx::pos_type pos) const;
///
bool isNewline(lyx::pos_type pos) const;
///
bool isSeparator(lyx::pos_type pos) const;
///
bool isLineSeparator(lyx::pos_type pos) const;
///
bool isKomma(lyx::pos_type pos) const;
/// Used by the spellchecker
bool isLetter(lyx::pos_type pos) const;
///
bool isWord(lyx::pos_type pos) const;
/// returns -1 if inset not found
int getPositionOfInset(Inset const * inset) const;
///
int stripLeadingSpaces();
///
bool isFreeSpacing() const;
///
ParagraphParameters & params();
///
ParagraphParameters const & params() const;
///
InsetList insetlist;
///
//Counters & counters();
private:
///
LyXLayout_ptr layout_;
/// if anything uses this we don't want it to.
Paragraph(Paragraph const &);
#ifndef NO_NEXT
///
Paragraph * next_;
///
Paragraph * previous_;
#else
Paragraph * next_par_;
Paragraph * prev_par_;
#endif
struct Pimpl;
///
friend struct Paragraph::Pimpl;
///
Pimpl * pimpl_;
};
inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
{
return par.lookupChange(pos) == Change::INSERTED;
}
inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
{
return par.lookupChange(pos) == Change::DELETED;
}
#endif // PARAGRAPH_H