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"
31 class ParagraphParameters;
34 // Define this if you want to try out the new storage container for
36 // This is non working and far from finished.
39 /// A Paragraph holds all text, attributes and insets in a text paragraph
43 // Remove this whan ParagraphList transition is over. (Lgb)
44 friend class ParagraphList;
45 friend class ParagraphList::iterator;
49 /// Note that this is 1 right now to avoid
50 /// crashes where getChar() is called wrongly
51 /// (returning 0) - if this was 0, then we'd
52 /// try getInset() and crash. We should fix
57 typedef char value_type;
58 /// The same as ParameterStruct::depth_type
59 typedef unsigned int depth_type;
65 Paragraph(Paragraph const &, bool same_ids);
66 /// the destructor removes the new paragraph from the list
70 Language const * getParLanguage(BufferParams const &) const;
72 bool isRightToLeftPar(BufferParams const &) const;
74 void changeLanguage(BufferParams const & bparams,
75 Language const * from, Language const * to);
77 bool isMultiLingual(BufferParams const &);
80 string const asString(Buffer const *, bool label) const;
82 string const asString(Buffer const *, lyx::pos_type beg, lyx::pos_type end,
86 void write(Buffer const *, std::ostream &, BufferParams const &,
87 depth_type & depth) const;
89 void validate(LaTeXFeatures &) const;
91 /// return the unique ID of this paragraph
93 /// Set the Id of this paragraph.
97 int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
100 int endTeXParParams(BufferParams const &, std::ostream &, bool) const;
104 bool simpleTeXOnePar(Buffer const *, BufferParams const &,
105 LyXFont const & outerfont, std::ostream &,
106 TexRow & texrow, LatexRunParams const &);
109 bool hasSameLayout(Paragraph const & par) const;
112 void makeSameLayout(Paragraph const & par);
115 Inset * inInset() const;
117 void setInsetOwner(Inset * i);
119 void deleteInsetsLyXText(BufferView *);
121 void resizeInsetsLyXText(BufferView *);
124 lyx::pos_type size() const;
128 void setContentsFromPar(Paragraph const & par);
130 void clearContents();
133 LyXLayout_ptr const & layout() const;
135 void layout(LyXLayout_ptr const & new_layout);
144 InsetBibitem * bibitem(); // ale970302
146 /// initialise tracking for this par
147 void trackChanges(Change::Type = Change::UNCHANGED);
150 void untrackChanges();
152 /// set entire paragraph to new text for change tracking
155 /// look up change type at given pos
156 Change::Type lookupChange(lyx::pos_type pos) const;
158 /// look up change at given pos
159 Change const lookupChangeFull(lyx::pos_type pos) const;
161 /// is there a change within the given range ?
162 bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
164 /// is there a non-addition in this range ?
165 bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
167 /// set change at pos
168 void setChange(lyx::pos_type pos, Change::Type type);
171 void acceptChange(lyx::pos_type start, lyx::pos_type end);
174 void rejectChange(lyx::pos_type start, lyx::pos_type end);
176 /// mark whole par as erased
179 /// Paragraphs can contain "manual labels", for example, Description environment.
180 /// The text for this user-editable label is stored in the paragraph alongside
181 /// the text of the rest of the paragraph (the body). This function returns
182 /// the starting position of the body of the text in the paragraph.
183 int beginningOfBody() const;
186 string const & getLabelstring() const;
188 /// the next two functions are for the manual labels
189 string const getLabelWidthString() const;
191 void setLabelWidthString(string const & s);
193 char getAlign() const;
194 /// The nesting depth of a paragraph
195 depth_type getDepth() const;
196 /// The maximal possible depth of a paragraph after this one
197 depth_type getMaxDepthAfter() const;
199 void applyLayout(LyXLayout_ptr const & new_layout);
202 void eraseIntern(lyx::pos_type pos);
203 /// erase the char at the given position
204 bool erase(lyx::pos_type pos);
205 /// erase the given range. Returns the number of chars actually erased
206 int erase(lyx::pos_type start, lyx::pos_type end);
208 /** Get uninstantiated font setting. Returns the difference
209 between the characters font and the layoutfont.
210 This is what is stored in the fonttable
213 getFontSettings(BufferParams const &, lyx::pos_type pos) const;
215 LyXFont const getFirstFontSettings() const;
217 /** Get fully instantiated font. If pos == -1, use the layout
218 font attached to this paragraph.
219 If pos == -2, use the label font of the layout attached here.
220 In all cases, the font is instantiated, i.e. does not have any
221 attributes with values LyXFont::INHERIT, LyXFont::IGNORE or
224 LyXFont const getFont(BufferParams const &, lyx::pos_type pos,
225 LyXFont const & outerfont) const;
226 LyXFont const getLayoutFont(BufferParams const &,
227 LyXFont const & outerfont) const;
228 LyXFont const getLabelFont(BufferParams const &,
229 LyXFont const & outerfont) const;
231 value_type getChar(lyx::pos_type pos) const;
233 value_type getUChar(BufferParams const &, lyx::pos_type pos) const;
234 /// The position must already exist.
235 void setChar(lyx::pos_type pos, value_type c);
236 /// pos <= size() (there is a dummy font change at the end of each par)
237 void setFont(lyx::pos_type pos, LyXFont const & font);
238 /// Returns the height of the highest font in range
240 highestFontInRange(lyx::pos_type startpos,
241 lyx::pos_type endpos,
242 LyXFont::FONT_SIZE const def_size) const;
244 void insertChar(lyx::pos_type pos, value_type c);
246 void insertChar(lyx::pos_type pos, value_type c, LyXFont const &, Change change = Change(Change::INSERTED));
248 bool checkInsertChar(LyXFont &);
250 void insertInset(lyx::pos_type pos, Inset * inset);
252 void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
254 bool insetAllowed(Inset::Code code);
256 Inset * getInset(lyx::pos_type pos);
258 Inset const * getInset(lyx::pos_type pos) const;
259 /** important for cut and paste
260 Temporary change from BufferParams to Buffer. Will revert when we
261 get rid of the argument to Inset::clone(Buffer const &) */
262 void copyIntoMinibuffer(Buffer const &, lyx::pos_type pos) const;
264 void cutIntoMinibuffer(BufferParams const &, lyx::pos_type pos);
266 bool insertFromMinibuffer(lyx::pos_type pos);
269 bool isHfill(lyx::pos_type pos) const;
271 bool isInset(lyx::pos_type pos) const;
273 bool isNewline(lyx::pos_type pos) const;
275 bool isSeparator(lyx::pos_type pos) const;
277 bool isLineSeparator(lyx::pos_type pos) const;
279 bool isKomma(lyx::pos_type pos) const;
280 /// Used by the spellchecker
281 bool isLetter(lyx::pos_type pos) const;
283 bool isWord(lyx::pos_type pos) const;
285 /// returns -1 if inset not found
286 int getPositionOfInset(Inset const * inset) const;
289 int stripLeadingSpaces();
292 bool isFreeSpacing() const;
295 ParagraphParameters & params();
297 ParagraphParameters const & params() const;
301 //Counters & counters();
304 LyXLayout_ptr layout_;
305 /// if anything uses this we don't want it to.
306 Paragraph(Paragraph const &);
308 Paragraph * next_par_;
309 Paragraph * prev_par_;
313 friend struct Paragraph::Pimpl;
318 void operator=(Paragraph const &);
322 inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
324 return par.lookupChange(pos) == Change::INSERTED;
328 inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
330 return par.lookupChange(pos) == Change::DELETED;
333 #endif // PARAGRAPH_H