4 * Copyright 1995 Matthias Ettrich
5 * Copyright 2002 the LyX Team
6 * Read the file COPYING
12 #include "lyxlayout_ptr_fwd.h"
13 #include "lyxfont.h" // Just for LyXFont::FONT_SIZE
14 #include "InsetList.h"
16 #include "insets/inset.h" // Just for Inset::Code
18 #include "support/types.h"
21 #include "ParagraphList.h"
24 #include <boost/optional.hpp>
33 class ParagraphParameters;
36 // Define this if you want to try out the new storage container for
38 // This is non working and far from finished.
41 /// A Paragraph holds all text, attributes and insets in a text paragraph
45 // Remove this whan ParagraphList transition is over. (Lgb)
46 friend class ParagraphList;
47 friend class ParagraphList::iterator;
48 friend class ParagraphList::const_iterator;
52 /// Note that this is 1 right now to avoid
53 /// crashes where getChar() is called wrongly
54 /// (returning 0) - if this was 0, then we'd
55 /// try getInset() and crash. We should fix
60 typedef char value_type;
61 /// The same as ParameterStruct::depth_type
62 typedef unsigned int depth_type;
68 Paragraph(Paragraph const &);
70 //void operator=(Paragraph const &);
71 /// the destructor removes the new paragraph from the list
75 Language const * getParLanguage(BufferParams const &) const;
77 bool isRightToLeftPar(BufferParams const &) const;
79 void changeLanguage(BufferParams const & bparams,
80 Language const * from, Language const * to);
82 bool isMultiLingual(BufferParams const &);
85 string const asString(Buffer const *, bool label) const;
87 string const asString(Buffer const *, lyx::pos_type beg, lyx::pos_type end,
91 void write(Buffer const *, std::ostream &, BufferParams const &,
92 depth_type & depth) const;
94 void validate(LaTeXFeatures &) const;
96 /// return the unique ID of this paragraph
98 /// Set the Id of this paragraph.
102 int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
105 int endTeXParParams(BufferParams const &, std::ostream &, bool) const;
109 bool simpleTeXOnePar(Buffer const *, BufferParams const &,
110 LyXFont const & outerfont, std::ostream &,
111 TexRow & texrow, LatexRunParams const &);
114 bool hasSameLayout(Paragraph const & par) const;
117 void makeSameLayout(Paragraph const & par);
120 Inset * inInset() const;
122 void setInsetOwner(Inset * i);
124 void deleteInsetsLyXText(BufferView *);
126 void resizeInsetsLyXText(BufferView *);
129 lyx::pos_type size() const;
133 void setContentsFromPar(Paragraph const & par);
135 void clearContents();
138 LyXLayout_ptr const & layout() const;
140 void layout(LyXLayout_ptr const & new_layout);
149 InsetBibitem * bibitem() const; // ale970302
151 /// initialise tracking for this par
152 void trackChanges(Change::Type = Change::UNCHANGED);
155 void untrackChanges();
157 /// set entire paragraph to new text for change tracking
160 /// look up change type at given pos
161 Change::Type lookupChange(lyx::pos_type pos) const;
163 /// look up change at given pos
164 Change const lookupChangeFull(lyx::pos_type pos) const;
166 /// is there a change within the given range ?
167 bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
169 /// is there a non-addition in this range ?
170 bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
172 /// set change at pos
173 void setChange(lyx::pos_type pos, Change::Type type);
176 void acceptChange(lyx::pos_type start, lyx::pos_type end);
179 void rejectChange(lyx::pos_type start, lyx::pos_type end);
181 /// mark whole par as erased
184 /// Paragraphs can contain "manual labels", for example, Description environment.
185 /// The text for this user-editable label is stored in the paragraph alongside
186 /// the text of the rest of the paragraph (the body). This function returns
187 /// the starting position of the body of the text in the paragraph.
188 int beginningOfBody() const;
191 string const & getLabelstring() const;
193 /// the next two functions are for the manual labels
194 string const getLabelWidthString() const;
196 void setLabelWidthString(string const & s);
198 char getAlign() const;
199 /// The nesting depth of a paragraph
200 depth_type getDepth() const;
201 /// The maximal possible depth of a paragraph after this one
202 depth_type getMaxDepthAfter() const;
204 void applyLayout(LyXLayout_ptr const & new_layout);
207 void eraseIntern(lyx::pos_type pos);
208 /// erase the char at the given position
209 bool erase(lyx::pos_type pos);
210 /// erase the given range. Returns the number of chars actually erased
211 int erase(lyx::pos_type start, lyx::pos_type end);
213 /** Get uninstantiated font setting. Returns the difference
214 between the characters font and the layoutfont.
215 This is what is stored in the fonttable
218 getFontSettings(BufferParams const &, lyx::pos_type pos) const;
220 LyXFont const getFirstFontSettings() const;
222 /** Get fully instantiated font. If pos == -1, use the layout
223 font attached to this paragraph.
224 If pos == -2, use the label font of the layout attached here.
225 In all cases, the font is instantiated, i.e. does not have any
226 attributes with values LyXFont::INHERIT, LyXFont::IGNORE or
229 LyXFont const getFont(BufferParams const &, lyx::pos_type pos,
230 LyXFont const & outerfont) const;
231 LyXFont const getLayoutFont(BufferParams const &,
232 LyXFont const & outerfont) const;
233 LyXFont const getLabelFont(BufferParams const &,
234 LyXFont const & outerfont) const;
236 value_type getChar(lyx::pos_type pos) const;
238 value_type getUChar(BufferParams const &, lyx::pos_type pos) const;
239 /// The position must already exist.
240 void setChar(lyx::pos_type pos, value_type c);
241 /// pos <= size() (there is a dummy font change at the end of each par)
242 void setFont(lyx::pos_type pos, LyXFont const & font);
243 /// Returns the height of the highest font in range
245 highestFontInRange(lyx::pos_type startpos,
246 lyx::pos_type endpos,
247 LyXFont::FONT_SIZE const def_size) const;
249 void insertChar(lyx::pos_type pos, value_type c);
251 void insertChar(lyx::pos_type pos, value_type c, LyXFont const &, Change change = Change(Change::INSERTED));
253 bool checkInsertChar(LyXFont &);
255 void insertInset(lyx::pos_type pos, Inset * inset);
257 void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
259 bool insetAllowed(Inset::Code code);
261 Inset * getInset(lyx::pos_type pos);
263 Inset const * getInset(lyx::pos_type pos) const;
264 /** important for cut and paste
265 Temporary change from BufferParams to Buffer. Will revert when we
266 get rid of the argument to Inset::clone(Buffer const &) */
267 void copyIntoMinibuffer(Buffer const &, lyx::pos_type pos) const;
269 void cutIntoMinibuffer(BufferParams const &, lyx::pos_type pos);
271 bool insertFromMinibuffer(lyx::pos_type pos);
274 bool isHfill(lyx::pos_type pos) const;
276 bool isInset(lyx::pos_type pos) const;
278 bool isNewline(lyx::pos_type pos) const;
280 bool isSeparator(lyx::pos_type pos) const;
282 bool isLineSeparator(lyx::pos_type pos) const;
284 bool isKomma(lyx::pos_type pos) const;
285 /// Used by the spellchecker
286 bool isLetter(lyx::pos_type pos) const;
288 bool isWord(lyx::pos_type pos) const;
290 /// returns -1 if inset not found
291 int getPositionOfInset(Inset const * inset) const;
294 int stripLeadingSpaces();
297 bool isFreeSpacing() const;
300 ParagraphParameters & params();
302 ParagraphParameters const & params() const;
306 //Counters & counters();
308 void owningBuffer(Buffer const & b) {
313 LyXLayout_ptr layout_;
315 Paragraph * next_par_;
316 Paragraph * prev_par_;
319 boost::optional<Buffer const *> buffer_;
323 friend struct Paragraph::Pimpl;
330 inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
332 return par.lookupChange(pos) == Change::INSERTED;
336 inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
338 return par.lookupChange(pos) == Change::DELETED;
341 bool operator==(Paragraph const & lhs, Paragraph const & rhs);
343 #endif // PARAGRAPH_H