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;
51 /// Note that this is 1 right now to avoid
52 /// crashes where getChar() is called wrongly
53 /// (returning 0) - if this was 0, then we'd
54 /// try getInset() and crash. We should fix
59 typedef char value_type;
60 /// The same as ParameterStruct::depth_type
61 typedef unsigned int depth_type;
67 Paragraph(Paragraph const &, bool same_ids);
68 /// the destructor removes the new paragraph from the list
72 Language const * getParLanguage(BufferParams const &) const;
74 bool isRightToLeftPar(BufferParams const &) const;
76 void changeLanguage(BufferParams const & bparams,
77 Language const * from, Language const * to);
79 bool isMultiLingual(BufferParams const &);
82 string const asString(Buffer const *, bool label) const;
84 string const asString(Buffer const *, lyx::pos_type beg, lyx::pos_type end,
88 void write(Buffer const *, std::ostream &, BufferParams const &,
89 depth_type & depth) const;
91 void validate(LaTeXFeatures &) const;
93 /// return the unique ID of this paragraph
95 /// Set the Id of this paragraph.
99 int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
102 int endTeXParParams(BufferParams const &, std::ostream &, bool) const;
106 bool simpleTeXOnePar(Buffer const *, BufferParams const &,
107 LyXFont const & outerfont, std::ostream &,
108 TexRow & texrow, LatexRunParams const &);
111 bool hasSameLayout(Paragraph const & par) const;
114 void makeSameLayout(Paragraph const & par);
117 Inset * inInset() const;
119 void setInsetOwner(Inset * i);
121 void deleteInsetsLyXText(BufferView *);
123 void resizeInsetsLyXText(BufferView *);
126 lyx::pos_type size() const;
130 void setContentsFromPar(Paragraph const & par);
132 void clearContents();
135 LyXLayout_ptr const & layout() const;
137 void layout(LyXLayout_ptr const & new_layout);
146 InsetBibitem * bibitem(); // ale970302
148 /// initialise tracking for this par
149 void trackChanges(Change::Type = Change::UNCHANGED);
152 void untrackChanges();
154 /// set entire paragraph to new text for change tracking
157 /// look up change type at given pos
158 Change::Type lookupChange(lyx::pos_type pos) const;
160 /// look up change at given pos
161 Change const lookupChangeFull(lyx::pos_type pos) const;
163 /// is there a change within the given range ?
164 bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
166 /// is there a non-addition in this range ?
167 bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
169 /// set change at pos
170 void setChange(lyx::pos_type pos, Change::Type type);
173 void acceptChange(lyx::pos_type start, lyx::pos_type end);
176 void rejectChange(lyx::pos_type start, lyx::pos_type end);
178 /// mark whole par as erased
181 /// Paragraphs can contain "manual labels", for example, Description environment.
182 /// The text for this user-editable label is stored in the paragraph alongside
183 /// the text of the rest of the paragraph (the body). This function returns
184 /// the starting position of the body of the text in the paragraph.
185 int beginningOfBody() const;
188 string const & getLabelstring() const;
190 /// the next two functions are for the manual labels
191 string const getLabelWidthString() const;
193 void setLabelWidthString(string const & s);
195 char getAlign() const;
196 /// The nesting depth of a paragraph
197 depth_type getDepth() const;
198 /// The maximal possible depth of a paragraph after this one
199 depth_type getMaxDepthAfter() const;
201 void applyLayout(LyXLayout_ptr const & new_layout);
204 void eraseIntern(lyx::pos_type pos);
205 /// erase the char at the given position
206 bool erase(lyx::pos_type pos);
207 /// erase the given range. Returns the number of chars actually erased
208 int erase(lyx::pos_type start, lyx::pos_type end);
210 /** Get uninstantiated font setting. Returns the difference
211 between the characters font and the layoutfont.
212 This is what is stored in the fonttable
215 getFontSettings(BufferParams const &, lyx::pos_type pos) const;
217 LyXFont const getFirstFontSettings() const;
219 /** Get fully instantiated font. If pos == -1, use the layout
220 font attached to this paragraph.
221 If pos == -2, use the label font of the layout attached here.
222 In all cases, the font is instantiated, i.e. does not have any
223 attributes with values LyXFont::INHERIT, LyXFont::IGNORE or
226 LyXFont const getFont(BufferParams const &, lyx::pos_type pos,
227 LyXFont const & outerfont) const;
228 LyXFont const getLayoutFont(BufferParams const &,
229 LyXFont const & outerfont) const;
230 LyXFont const getLabelFont(BufferParams const &,
231 LyXFont const & outerfont) const;
233 value_type getChar(lyx::pos_type pos) const;
235 value_type getUChar(BufferParams const &, lyx::pos_type pos) const;
236 /// The position must already exist.
237 void setChar(lyx::pos_type pos, value_type c);
238 /// pos <= size() (there is a dummy font change at the end of each par)
239 void setFont(lyx::pos_type pos, LyXFont const & font);
240 /// Returns the height of the highest font in range
242 highestFontInRange(lyx::pos_type startpos,
243 lyx::pos_type endpos,
244 LyXFont::FONT_SIZE const def_size) const;
246 void insertChar(lyx::pos_type pos, value_type c);
248 void insertChar(lyx::pos_type pos, value_type c, LyXFont const &, Change change = Change(Change::INSERTED));
250 bool checkInsertChar(LyXFont &);
252 void insertInset(lyx::pos_type pos, Inset * inset);
254 void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
256 bool insetAllowed(Inset::Code code);
258 Inset * getInset(lyx::pos_type pos);
260 Inset const * getInset(lyx::pos_type pos) const;
261 /** important for cut and paste
262 Temporary change from BufferParams to Buffer. Will revert when we
263 get rid of the argument to Inset::clone(Buffer const &) */
264 void copyIntoMinibuffer(Buffer const &, lyx::pos_type pos) const;
266 void cutIntoMinibuffer(BufferParams const &, lyx::pos_type pos);
268 bool insertFromMinibuffer(lyx::pos_type pos);
271 bool isHfill(lyx::pos_type pos) const;
273 bool isInset(lyx::pos_type pos) const;
275 bool isNewline(lyx::pos_type pos) const;
277 bool isSeparator(lyx::pos_type pos) const;
279 bool isLineSeparator(lyx::pos_type pos) const;
281 bool isKomma(lyx::pos_type pos) const;
282 /// Used by the spellchecker
283 bool isLetter(lyx::pos_type pos) const;
285 bool isWord(lyx::pos_type pos) const;
287 /// returns -1 if inset not found
288 int getPositionOfInset(Inset const * inset) const;
291 int stripLeadingSpaces();
294 bool isFreeSpacing() const;
297 ParagraphParameters & params();
299 ParagraphParameters const & params() const;
303 //Counters & counters();
305 void owningBuffer(Buffer const & b) {
310 LyXLayout_ptr layout_;
311 /// if anything uses this we don't want it to.
312 Paragraph(Paragraph const &);
314 Paragraph * next_par_;
315 Paragraph * prev_par_;
318 boost::optional<Buffer const *> buffer_;
322 friend struct Paragraph::Pimpl;
327 void operator=(Paragraph const &);
331 inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
333 return par.lookupChange(pos) == Change::INSERTED;
337 inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
339 return par.lookupChange(pos) == Change::DELETED;
342 #endif // PARAGRAPH_H