4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Alejandro Aguilar Sierra
9 * \author Lars Gullik Bjønnes
10 * \author Matthias Ettrich
12 * Full author contact details are available in file CREDITS.
18 #include "insetbase.h"
19 #include "dimension.h"
21 #include "ParagraphList_fwd.h"
43 class InsetOld : public InsetBase {
45 /** This is not quite the correct place for this enum. I think
46 the correct would be to let each subclass of Inset declare
47 its own enum code. Actually the notion of an InsetOld::Code
48 should be avoided, but I am not sure how this could be done
54 TOC_CODE, // do these insets really need a code? (ale)
116 MATHMACRO_CODE, // 30
140 TEXT_TO_INSET_OFFSET = 2
154 typedef dispatch_result RESULT;
159 InsetOld(InsetOld const & in);
166 /// what appears in the minibuffer when opening
167 virtual string const editMessage() const;
169 virtual EDITABLE editable() const;
171 virtual bool isTextInset() const { return false; }
172 /// return true if the inset should be removed automatically
173 virtual bool autoDelete() const;
174 /// returns true the inset can hold an inset of given type
175 virtual bool insetAllowed(InsetOld::Code) const { return false; }
176 /// wrapper around the above
177 bool insetAllowed(InsetOld * in) const;
179 virtual void write(Buffer const &, std::ostream &) const = 0;
181 virtual void read(Buffer const &, LyXLex & lex) = 0;
182 /// returns the number of rows (\n's) of generated tex code.
183 virtual int latex(Buffer const &, std::ostream &,
184 LatexRunParams const &) const = 0;
186 virtual int ascii(Buffer const &,
187 std::ostream &, int linelen = 0) const = 0;
189 virtual int linuxdoc(Buffer const &, std::ostream &) const = 0;
191 virtual int docbook(Buffer const &, std::ostream &, bool) const = 0;
193 /// returns LyX code associated with the inset. Used for TOC, ...)
194 virtual InsetOld::Code lyxCode() const { return NO_CODE; }
196 /// returns true to override begin and end inset in file
197 virtual bool directWrite() const;
200 void setInsetName(string const & s) { name_ = s; }
202 string const & getInsetName() const { return name_; }
204 void setOwner(UpdatableInset * inset) { owner_ = inset; }
206 UpdatableInset * owner() const { return owner_; }
208 void setBackgroundColor(EnumLColor);
210 EnumLColor backgroundColor() const;
212 int x() const { return top_x; }
214 int y() const { return top_baseline; }
216 // because we could have fake text insets and have to call this
217 // inside them without cast!!!
219 virtual LyXText * getLyXText(BufferView const *,
220 bool recursive = false) const;
222 virtual void deleteLyXText(BufferView *, bool = true) const {}
223 /// returns the actuall scroll-value
224 virtual int scroll(bool recursive=true) const {
225 if (!recursive || !owner_)
230 /// try to get a inset pointer from it's id if we have
231 /// an inset to give back!
232 virtual InsetOld * getInsetFromID(int /*id*/) const { return 0; }
233 /// if this insets owns paragraphs (f.ex. InsetText) then it
234 /// should return it's very first one!
235 virtual ParagraphList * getParagraphs(int /*num*/) const { return 0; }
237 virtual bool haveParagraphs() const {
241 /// return the cursor if we own one otherwise giv'em just the
242 /// BufferView cursor to work with.
243 virtual LyXCursor const & cursor(BufferView * bview) const;
249 /// used to toggle insets
250 // is the inset open?
251 virtual bool isOpen() const { return false; }
253 virtual void open(BufferView *) {}
255 virtual void close(BufferView *) const {}
256 /// check if the font of the char we want inserting is correct
257 /// and modify it if it is not.
258 virtual bool checkInsertChar(LyXFont &);
259 /// we need this here because collapsed insets are only EDITABLE
260 virtual void setFont(BufferView *, LyXFont const &,
261 bool toggleall = false, bool selectall = false);
263 // needed for spellchecking text
265 virtual bool allowSpellcheck() const { return false; }
267 // should this inset be handled like a normal charater
268 virtual bool isChar() const { return false; }
269 // is this equivalent to a letter?
270 virtual bool isLetter() const { return false; }
271 // is this equivalent to a space (which is BTW different from
272 // a line separator)?
273 virtual bool isSpace() const { return false; }
274 // should we break lines after this inset?
275 virtual bool isLineSeparator() const { return false; }
276 // if this inset has paragraphs should they be output all as default
277 // paragraphs with "Standard" layout?
278 virtual bool forceDefaultParagraphs(InsetOld const *) const;
279 /** returns true if, when outputing LaTeX, font changes should
280 be closed before generating this inset. This is needed for
281 insets that may contain several paragraphs */
282 virtual bool noFontChange() const { return false; }
284 virtual void getDrawFont(LyXFont &) const {}
285 /* needed for widths which are % of something
286 returns the value of \textwidth in this inset. Most of the
287 time this is the width of the workarea, but if there is a
288 minipage somewhere, it will be the width of this minipage */
289 virtual int latexTextWidth(BufferView *) const;
291 /// mark the inset contents as erased (for change tracking)
292 virtual void markErased() {}
294 /** Adds a LaTeX snippet to the Preview Loader for transformation
295 * into a bitmap image. Does not start the laoding process.
297 * Most insets have no interest in this capability, so the method
300 virtual void addPreview(lyx::graphics::PreviewLoader &) const {}
302 /** Find the PreviewLoader, add a LaTeX snippet to it and
303 * start the loading process.
305 * Most insets have no interest in this capability, so the method
308 virtual void generatePreview() const {}
314 mutable int top_baseline;
317 /// Used to identify the inset for cursor positioning when undoing
320 static unsigned int inset_id;
322 mutable Dimension dim_;
326 UpdatableInset * owner_;
330 LColor::color background_color_;
335 * returns true if pointer argument is valid
336 * and points to an editable inset
338 bool isEditableInset(InsetOld const * i);
342 * returns true if pointer argument is valid
343 * and points to a highly editable inset
345 bool isHighlyEditableInset(InsetOld const * i);