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 &);
69 //void operator=(Paragraph const &);
70 /// the destructor removes the new paragraph from the list
74 Language const * getParLanguage(BufferParams const &) const;
76 bool isRightToLeftPar(BufferParams const &) const;
78 void changeLanguage(BufferParams const & bparams,
79 Language const * from, Language const * to);
81 bool isMultiLingual(BufferParams const &);
84 string const asString(Buffer const *, bool label) const;
86 string const asString(Buffer const *, lyx::pos_type beg, lyx::pos_type end,
90 void write(Buffer const *, std::ostream &, BufferParams const &,
91 depth_type & depth) const;
93 void validate(LaTeXFeatures &) const;
95 /// return the unique ID of this paragraph
97 /// Set the Id of this paragraph.
101 int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
104 int endTeXParParams(BufferParams const &, std::ostream &, bool) const;
108 bool simpleTeXOnePar(Buffer const *, BufferParams const &,
109 LyXFont const & outerfont, std::ostream &,
110 TexRow & texrow, LatexRunParams const &);
113 bool hasSameLayout(Paragraph const & par) const;
116 void makeSameLayout(Paragraph const & par);
119 Inset * inInset() const;
121 void setInsetOwner(Inset * i);
123 void deleteInsetsLyXText(BufferView *);
125 void resizeInsetsLyXText(BufferView *);
128 lyx::pos_type size() const;
132 void setContentsFromPar(Paragraph const & par);
134 void clearContents();
137 LyXLayout_ptr const & layout() const;
139 void layout(LyXLayout_ptr const & new_layout);
148 InsetBibitem * bibitem(); // ale970302
150 /// initialise tracking for this par
151 void trackChanges(Change::Type = Change::UNCHANGED);
154 void untrackChanges();
156 /// set entire paragraph to new text for change tracking
159 /// look up change type at given pos
160 Change::Type lookupChange(lyx::pos_type pos) const;
162 /// look up change at given pos
163 Change const lookupChangeFull(lyx::pos_type pos) const;
165 /// is there a change within the given range ?
166 bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
168 /// is there a non-addition in this range ?
169 bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
171 /// set change at pos
172 void setChange(lyx::pos_type pos, Change::Type type);
175 void acceptChange(lyx::pos_type start, lyx::pos_type end);
178 void rejectChange(lyx::pos_type start, lyx::pos_type end);
180 /// mark whole par as erased
183 /// Paragraphs can contain "manual labels", for example, Description environment.
184 /// The text for this user-editable label is stored in the paragraph alongside
185 /// the text of the rest of the paragraph (the body). This function returns
186 /// the starting position of the body of the text in the paragraph.
187 int beginningOfBody() const;
190 string const & getLabelstring() const;
192 /// the next two functions are for the manual labels
193 string const getLabelWidthString() const;
195 void setLabelWidthString(string const & s);
197 char getAlign() const;
198 /// The nesting depth of a paragraph
199 depth_type getDepth() const;
200 /// The maximal possible depth of a paragraph after this one
201 depth_type getMaxDepthAfter() const;
203 void applyLayout(LyXLayout_ptr const & new_layout);
206 void eraseIntern(lyx::pos_type pos);
207 /// erase the char at the given position
208 bool erase(lyx::pos_type pos);
209 /// erase the given range. Returns the number of chars actually erased
210 int erase(lyx::pos_type start, lyx::pos_type end);
212 /** Get uninstantiated font setting. Returns the difference
213 between the characters font and the layoutfont.
214 This is what is stored in the fonttable
217 getFontSettings(BufferParams const &, lyx::pos_type pos) const;
219 LyXFont const getFirstFontSettings() const;
221 /** Get fully instantiated font. If pos == -1, use the layout
222 font attached to this paragraph.
223 If pos == -2, use the label font of the layout attached here.
224 In all cases, the font is instantiated, i.e. does not have any
225 attributes with values LyXFont::INHERIT, LyXFont::IGNORE or
228 LyXFont const getFont(BufferParams const &, lyx::pos_type pos,
229 LyXFont const & outerfont) const;
230 LyXFont const getLayoutFont(BufferParams const &,
231 LyXFont const & outerfont) const;
232 LyXFont const getLabelFont(BufferParams const &,
233 LyXFont const & outerfont) const;
235 value_type getChar(lyx::pos_type pos) const;
237 value_type getUChar(BufferParams const &, lyx::pos_type pos) const;
238 /// The position must already exist.
239 void setChar(lyx::pos_type pos, value_type c);
240 /// pos <= size() (there is a dummy font change at the end of each par)
241 void setFont(lyx::pos_type pos, LyXFont const & font);
242 /// Returns the height of the highest font in range
244 highestFontInRange(lyx::pos_type startpos,
245 lyx::pos_type endpos,
246 LyXFont::FONT_SIZE const def_size) const;
248 void insertChar(lyx::pos_type pos, value_type c);
250 void insertChar(lyx::pos_type pos, value_type c, LyXFont const &, Change change = Change(Change::INSERTED));
252 bool checkInsertChar(LyXFont &);
254 void insertInset(lyx::pos_type pos, Inset * inset);
256 void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
258 bool insetAllowed(Inset::Code code);
260 Inset * getInset(lyx::pos_type pos);
262 Inset const * getInset(lyx::pos_type pos) const;
263 /** important for cut and paste
264 Temporary change from BufferParams to Buffer. Will revert when we
265 get rid of the argument to Inset::clone(Buffer const &) */
266 void copyIntoMinibuffer(Buffer const &, lyx::pos_type pos) const;
268 void cutIntoMinibuffer(BufferParams const &, lyx::pos_type pos);
270 bool insertFromMinibuffer(lyx::pos_type pos);
273 bool isHfill(lyx::pos_type pos) const;
275 bool isInset(lyx::pos_type pos) const;
277 bool isNewline(lyx::pos_type pos) const;
279 bool isSeparator(lyx::pos_type pos) const;
281 bool isLineSeparator(lyx::pos_type pos) const;
283 bool isKomma(lyx::pos_type pos) const;
284 /// Used by the spellchecker
285 bool isLetter(lyx::pos_type pos) const;
287 bool isWord(lyx::pos_type pos) const;
289 /// returns -1 if inset not found
290 int getPositionOfInset(Inset const * inset) const;
293 int stripLeadingSpaces();
296 bool isFreeSpacing() const;
299 ParagraphParameters & params();
301 ParagraphParameters const & params() const;
305 //Counters & counters();
307 void owningBuffer(Buffer const & b) {
312 LyXLayout_ptr layout_;
314 Paragraph * next_par_;
315 Paragraph * prev_par_;
318 boost::optional<Buffer const *> buffer_;
322 friend struct Paragraph::Pimpl;
329 inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
331 return par.lookupChange(pos) == Change::INSERTED;
335 inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
337 return par.lookupChange(pos) == Change::DELETED;
340 bool operator==(Paragraph const & lhs, Paragraph const & rhs);
342 #endif // PARAGRAPH_H