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"
29 class ParagraphParameters;
32 // Define this if you want to try out the new storage container for
34 // This is non working and far from finished.
37 /// A Paragraph holds all text, attributes and insets in a text paragraph
48 typedef char value_type;
49 /// The same as ParameterStruct::depth_type
50 typedef unsigned int depth_type;
55 /// this constructor inserts the new paragraph in a list
57 Paragraph(Paragraph * par);
60 Paragraph(Paragraph const &, bool same_ids);
61 /// the destructor removes the new paragraph from the list
65 Language const * getParLanguage(BufferParams const &) const;
67 bool isRightToLeftPar(BufferParams const &) const;
69 void changeLanguage(BufferParams const & bparams,
70 Language const * from, Language const * to);
72 bool isMultiLingual(BufferParams const &);
75 string const asString(Buffer const *, bool label) const;
77 string const asString(Buffer const *, lyx::pos_type beg, lyx::pos_type end,
81 void write(Buffer const *, std::ostream &, BufferParams const &,
82 depth_type & depth) const;
84 void validate(LaTeXFeatures &) const;
86 /// return the unique ID of this paragraph
92 int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
95 int endTeXParParams(BufferParams const &, std::ostream &, bool) const;
99 bool simpleTeXOnePar(Buffer const *, BufferParams const &,
100 std::ostream &, TexRow & texrow, bool moving_arg);
103 bool hasSameLayout(Paragraph const * par) const;
106 void makeSameLayout(Paragraph const * par);
108 /// Is it the first par with same depth and layout?
109 bool isFirstInSequence() const;
111 /** Check if the current paragraph is the last paragraph in a
113 int getEndLabel() const;
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 * par);
130 void clearContents();
133 LyXLayout_ptr const & layout() const;
135 void layout(LyXLayout_ptr const & new_layout);
144 InsetBibitem * bibitem(); // ale970302
148 void next(Paragraph *);
149 /** these function are able to hide closed footnotes
153 Paragraph const * next() const;
156 void previous(Paragraph *);
158 Paragraph * previous();
160 Paragraph const * previous() const;
163 /// initialise tracking for this par
164 void trackChanges(Change::Type = Change::UNCHANGED);
167 void untrackChanges();
169 /// set entire paragraph to new text for change tracking
172 /// look up change type at given pos
173 Change::Type lookupChange(lyx::pos_type pos) const;
175 /// look up change at given pos
176 Change const lookupChangeFull(lyx::pos_type pos) const;
178 /// is there a change within the given range ?
179 bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
181 /// is there a non-addition in this range ?
182 bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
184 /// set change at pos
185 void setChange(lyx::pos_type pos, Change::Type type);
188 void acceptChange(lyx::pos_type start, lyx::pos_type end);
191 void rejectChange(lyx::pos_type start, lyx::pos_type end);
193 /// mark whole par as erased
196 /// for the environments
197 Paragraph * depthHook(depth_type depth);
198 /// for the environments
199 Paragraph const * depthHook(depth_type depth) const;
201 Paragraph * outerHook();
203 Paragraph const * outerHook() const;
205 /// Paragraphs can contain "manual labels", for example, Description environment.
206 /// The text for this user-editable label is stored in the paragraph alongside
207 /// the text of the rest of the paragraph (the body). This function returns
208 /// the starting position of the body of the text in the paragraph.
209 int beginningOfBody() const;
212 string const & getLabelstring() const;
214 /// the next two functions are for the manual labels
215 string const getLabelWidthString() const;
217 void setLabelWidthString(string const & s);
219 char getAlign() const;
220 /// The nesting depth of a paragraph
221 depth_type getDepth() const;
222 /// The maximal possible depth of a paragraph after this one
223 depth_type getMaxDepthAfter() const;
225 void applyLayout(LyXLayout_ptr const & new_layout);
228 void eraseIntern(lyx::pos_type pos);
229 /// erase the char at the given position
230 void erase(lyx::pos_type pos);
231 /// erase the given range. Returns true if actually erased.
232 bool erase(lyx::pos_type start, lyx::pos_type end);
234 /** Get uninstantiated font setting. Returns the difference
235 between the characters font and the layoutfont.
236 This is what is stored in the fonttable
239 getFontSettings(BufferParams const &, lyx::pos_type pos) const;
241 LyXFont const getFirstFontSettings() const;
243 /** Get fully instantiated font. If pos == -1, use the layout
244 font attached to this paragraph.
245 If pos == -2, use the label font of the layout attached here.
246 In all cases, the font is instantiated, i.e. does not have any
247 attributes with values LyXFont::INHERIT, LyXFont::IGNORE or
250 LyXFont const getFont(BufferParams const &, lyx::pos_type pos) const;
251 LyXFont const getLayoutFont(BufferParams const &) const;
252 LyXFont const getLabelFont(BufferParams const &) const;
254 value_type getChar(lyx::pos_type pos) const;
256 value_type getUChar(BufferParams const &, lyx::pos_type pos) const;
257 /// The position must already exist.
258 void setChar(lyx::pos_type pos, value_type c);
259 /// pos <= size() (there is a dummy font change at the end of each par)
260 void setFont(lyx::pos_type pos, LyXFont const & font);
261 /// Returns the height of the highest font in range
263 highestFontInRange(lyx::pos_type startpos,
264 lyx::pos_type endpos,
265 LyXFont::FONT_SIZE const def_size) const;
267 void insertChar(lyx::pos_type pos, value_type c);
269 void insertChar(lyx::pos_type pos, value_type c, LyXFont const &, Change change = Change(Change::INSERTED));
271 bool checkInsertChar(LyXFont &);
273 void insertInset(lyx::pos_type pos, Inset * inset);
275 void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const &, Change change = Change(Change::INSERTED));
277 bool insetAllowed(Inset::Code code);
279 Inset * getInset(lyx::pos_type pos);
281 Inset const * getInset(lyx::pos_type pos) const;
282 /** important for cut and paste
283 Temporary change from BufferParams to Buffer. Will revert when we
284 get rid of the argument to Inset::clone(Buffer const &) */
285 void copyIntoMinibuffer(Buffer const &, lyx::pos_type pos) const;
287 void cutIntoMinibuffer(BufferParams const &, lyx::pos_type pos);
289 bool insertFromMinibuffer(lyx::pos_type pos);
292 bool isHfill(lyx::pos_type pos) const;
294 bool isInset(lyx::pos_type pos) const;
296 bool isNewline(lyx::pos_type pos) const;
298 bool isSeparator(lyx::pos_type pos) const;
300 bool isLineSeparator(lyx::pos_type pos) const;
302 bool isKomma(lyx::pos_type pos) const;
303 /// Used by the spellchecker
304 bool isLetter(lyx::pos_type pos) const;
306 bool isWord(lyx::pos_type pos) const;
308 /// returns -1 if inset not found
309 int getPositionOfInset(Inset const * inset) const;
312 int stripLeadingSpaces();
315 bool isFreeSpacing() const;
318 ParagraphParameters & params();
320 ParagraphParameters const & params() const;
324 //Counters & counters();
327 LyXLayout_ptr layout_;
328 /// if anything uses this we don't want it to.
329 Paragraph(Paragraph const &);
334 Paragraph * previous_;
338 friend struct Paragraph::Pimpl;
344 inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
346 return par.lookupChange(pos) == Change::INSERTED;
350 inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
352 return par.lookupChange(pos) == Change::DELETED;
355 #endif // PARAGRAPH_H