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"
30 class ParagraphParameters;
33 // Define this if you want to try out the new storage container for
35 // This is non working and far from finished.
38 /// A Paragraph holds all text, attributes and insets in a text paragraph
41 // Remove this whan ParagraphList transition is over. (Lgb)
42 friend class ParagraphList;
43 friend class ParagraphList::iterator;
47 /// Note that this is 1 right now to avoid
48 /// crashes where getChar() is called wrongly
49 /// (returning 0) - if this was 0, then we'd
50 /// try getInset() and crash. We should fix
55 typedef char value_type;
56 /// The same as ParameterStruct::depth_type
57 typedef unsigned int depth_type;
63 Paragraph(Paragraph const &, bool same_ids);
64 /// the destructor removes the new paragraph from the list
68 Language const * getParLanguage(BufferParams const &) const;
70 bool isRightToLeftPar(BufferParams const &) const;
72 void changeLanguage(BufferParams const & bparams,
73 Language const * from, Language const * to);
75 bool isMultiLingual(BufferParams const &);
78 string const asString(Buffer const *, bool label) const;
80 string const asString(Buffer const *, lyx::pos_type beg, lyx::pos_type end,
84 void write(Buffer const *, std::ostream &, BufferParams const &,
85 depth_type & depth) const;
87 void validate(LaTeXFeatures &) const;
89 /// return the unique ID of this paragraph
93 int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
96 int endTeXParParams(BufferParams const &, std::ostream &, bool) const;
100 bool simpleTeXOnePar(Buffer const *, BufferParams const &,
101 LyXFont const & outerfont, std::ostream &,
102 TexRow & texrow, bool moving_arg);
105 bool hasSameLayout(Paragraph const & par) const;
108 void makeSameLayout(Paragraph const & par);
111 Inset * inInset() const;
113 void setInsetOwner(Inset * i);
115 void deleteInsetsLyXText(BufferView *);
117 void resizeInsetsLyXText(BufferView *);
120 lyx::pos_type size() const;
124 void setContentsFromPar(Paragraph const & par);
126 void clearContents();
129 LyXLayout_ptr const & layout() const;
131 void layout(LyXLayout_ptr const & new_layout);
140 InsetBibitem * bibitem(); // ale970302
144 void next(Paragraph *);
145 /** these function are able to hide closed footnotes
149 Paragraph const * next() const;
152 void previous(Paragraph *);
154 Paragraph * previous();
156 Paragraph const * previous() const;
159 /// initialise tracking for this par
160 void trackChanges(Change::Type = Change::UNCHANGED);
163 void untrackChanges();
165 /// set entire paragraph to new text for change tracking
168 /// look up change type at given pos
169 Change::Type lookupChange(lyx::pos_type pos) const;
171 /// look up change at given pos
172 Change const lookupChangeFull(lyx::pos_type pos) const;
174 /// is there a change within the given range ?
175 bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
177 /// is there a non-addition in this range ?
178 bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
180 /// set change at pos
181 void setChange(lyx::pos_type pos, Change::Type type);
184 void acceptChange(lyx::pos_type start, lyx::pos_type end);
187 void rejectChange(lyx::pos_type start, lyx::pos_type end);
189 /// mark whole par as erased
192 /// Paragraphs can contain "manual labels", for example, Description environment.
193 /// The text for this user-editable label is stored in the paragraph alongside
194 /// the text of the rest of the paragraph (the body). This function returns
195 /// the starting position of the body of the text in the paragraph.
196 int beginningOfBody() const;
199 string const & getLabelstring() const;
201 /// the next two functions are for the manual labels
202 string const getLabelWidthString() const;
204 void setLabelWidthString(string const & s);
206 char getAlign() const;
207 /// The nesting depth of a paragraph
208 depth_type getDepth() const;
209 /// The maximal possible depth of a paragraph after this one
210 depth_type getMaxDepthAfter() const;
212 void applyLayout(LyXLayout_ptr const & new_layout);
215 void eraseIntern(lyx::pos_type pos);
216 /// erase the char at the given position
217 bool erase(lyx::pos_type pos);
218 /// erase the given range. Returns the number of chars actually erased
219 int erase(lyx::pos_type start, lyx::pos_type end);
221 /** Get uninstantiated font setting. Returns the difference
222 between the characters font and the layoutfont.
223 This is what is stored in the fonttable
226 getFontSettings(BufferParams const &, lyx::pos_type pos) const;
228 LyXFont const getFirstFontSettings() const;
230 /** Get fully instantiated font. If pos == -1, use the layout
231 font attached to this paragraph.
232 If pos == -2, use the label font of the layout attached here.
233 In all cases, the font is instantiated, i.e. does not have any
234 attributes with values LyXFont::INHERIT, LyXFont::IGNORE or
237 LyXFont const getFont(BufferParams const &, lyx::pos_type pos,
238 LyXFont const & outerfont) const;
239 LyXFont const getLayoutFont(BufferParams const &,
240 LyXFont const & outerfont) const;
241 LyXFont const getLabelFont(BufferParams const &,
242 LyXFont const & outerfont) const;
244 value_type getChar(lyx::pos_type pos) const;
246 value_type getUChar(BufferParams const &, lyx::pos_type pos) const;
247 /// The position must already exist.
248 void setChar(lyx::pos_type pos, value_type c);
249 /// pos <= size() (there is a dummy font change at the end of each par)
250 void setFont(lyx::pos_type pos, LyXFont const & font);
251 /// Returns the height of the highest font in range
253 highestFontInRange(lyx::pos_type startpos,
254 lyx::pos_type endpos,
255 LyXFont::FONT_SIZE const def_size) const;
257 void insertChar(lyx::pos_type pos, value_type c);
259 void insertChar(lyx::pos_type pos, value_type c, LyXFont const &, Change change = Change(Change::INSERTED));
261 bool checkInsertChar(LyXFont &);
263 void insertInset(lyx::pos_type pos, Inset * inset);
265 void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
267 bool insetAllowed(Inset::Code code);
269 Inset * getInset(lyx::pos_type pos);
271 Inset const * getInset(lyx::pos_type pos) const;
272 /** important for cut and paste
273 Temporary change from BufferParams to Buffer. Will revert when we
274 get rid of the argument to Inset::clone(Buffer const &) */
275 void copyIntoMinibuffer(Buffer const &, lyx::pos_type pos) const;
277 void cutIntoMinibuffer(BufferParams const &, lyx::pos_type pos);
279 bool insertFromMinibuffer(lyx::pos_type pos);
282 bool isHfill(lyx::pos_type pos) const;
284 bool isInset(lyx::pos_type pos) const;
286 bool isNewline(lyx::pos_type pos) const;
288 bool isSeparator(lyx::pos_type pos) const;
290 bool isLineSeparator(lyx::pos_type pos) const;
292 bool isKomma(lyx::pos_type pos) const;
293 /// Used by the spellchecker
294 bool isLetter(lyx::pos_type pos) const;
296 bool isWord(lyx::pos_type pos) const;
298 /// returns -1 if inset not found
299 int getPositionOfInset(Inset const * inset) const;
302 int stripLeadingSpaces();
305 bool isFreeSpacing() const;
308 ParagraphParameters & params();
310 ParagraphParameters const & params() const;
314 //Counters & counters();
317 LyXLayout_ptr layout_;
318 /// if anything uses this we don't want it to.
319 Paragraph(Paragraph const &);
324 Paragraph * previous_;
326 Paragraph * next_par_;
327 Paragraph * prev_par_;
331 friend struct Paragraph::Pimpl;
336 void operator=(Paragraph const &);
340 inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
342 return par.lookupChange(pos) == Change::INSERTED;
346 inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
348 return par.lookupChange(pos) == Change::DELETED;
351 #endif // PARAGRAPH_H