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
10 * Full author contact details are available in file CREDITS.
16 #include "InsetMathNest.h"
17 #include "MacroTable.h"
24 /// This class contains the data for a macro.
25 class MathMacro : public InsetMathNest {
27 /// A macro can be built from an existing template
28 MathMacro(Buffer * buf, docstring const & name);
30 virtual MathMacro * asMacro() { return this; }
32 virtual MathMacro const * asMacro() const { return this; }
34 void draw(PainterInfo & pi, int x, int y) const;
35 /// draw selection background
36 void drawSelection(PainterInfo & pi, int x, int y) const;
38 void drawDecoration(PainterInfo & pi, int x, int y) const
39 { drawMarkers2(pi, x, y); }
41 void metrics(MetricsInfo & mi, Dimension & dim) const;
43 int kerning(BufferView const * bv) const;
44 /// get cursor position
45 void cursorPos(BufferView const & bv, CursorSlice const & sl,
46 bool boundary, int & x, int & y) const;
48 void edit(Cursor & cur, bool front, EntryDirection entry_from);
50 Inset * editXY(Cursor & cur, int x, int y);
52 /// target pos when we enter the inset while moving forward
53 bool idxFirst(Cursor &) const;
54 /// target pos when we enter the inset while moving backwards
55 bool idxLast(Cursor &) const;
58 virtual bool notifyCursorLeaves(Cursor const & old, Cursor & cur);
60 /// Remove cell (starting from 0)
61 void removeArgument(pos_type pos);
62 /// Insert empty cell (starting from 0)
63 void insertArgument(pos_type pos);
66 void validate(LaTeXFeatures &) const;
69 void write(WriteStream & os) const;
71 void normalize(NormalStream & os) const;
73 void maple(MapleStream &) const;
75 void maxima(MaximaStream &) const;
77 void mathematica(MathematicaStream &) const;
79 void mathmlize(MathStream &) const;
81 void htmlize(HtmlStream &) const;
83 void octave(OctaveStream &) const;
85 void infoize(odocstream &) const;
87 void infoize2(odocstream &) const;
89 /// fold the macro in the next metrics call
90 void fold(Cursor & cur);
91 /// unfold the macro in the next metrics call
92 void unfold(Cursor & cur);
93 /// will it be folded or unfolded in the next metric call?
98 DISPLAY_INTERACTIVE_INIT,
104 DisplayMode displayMode() const { return displayMode_; }
107 bool extraBraces() const { return displayMode_ == DISPLAY_NORMAL && arity() > 0; }
110 docstring name() const;
112 bool validName() const;
114 size_t arity() const {
115 if (displayMode_ == DISPLAY_NORMAL )
116 return cells_.size();
122 size_t optionals() const { return optionals_; }
124 void setOptionals(int n) {
125 if (n <= int(nargs()))
128 /// Return the maximal number of arguments the macro is greedy for.
129 size_t appetite() const { return appetite_; }
131 InsetCode lyxCode() const { return MATH_MACRO_CODE; }
134 friend class MathData;
135 friend class ArgumentProxy;
138 /// update the display mode (should only be called after detaching arguments)
139 void setDisplayMode(DisplayMode mode, int appetite = -1);
140 /// compute the next display mode
141 DisplayMode computeDisplayMode() const;
142 /// update macro definition
143 void updateMacro(MacroContext const & mc);
144 /// check if macro definition changed, argument changed etc. and adapt
145 void updateRepresentation(Cursor * cur, MacroContext const & mc, UpdateType);
146 /// empty macro, put arguments into args, possibly strip arity-attachedArgsNum_ empty ones.
147 /// Includes the optional arguments.
148 void detachArguments(std::vector<MathData> & args, bool strip);
149 /// attach arguments (maybe less than arity at the end of an MathData),
150 /// including the optional ones (even if it can be empty here)
151 void attachArguments(std::vector<MathData> const & args, size_t arity, int optionals);
153 MacroData const * macro() { return macro_; }
155 bool editMetrics(BufferView const * bv) const;
159 virtual Inset * clone() const;
161 bool editMode(BufferView const * bv) const;
165 /// current display mode
166 DisplayMode displayMode_;
167 /// expanded macro with ArgumentProxies
169 /// macro definition with #1,#2,.. insets
170 MathData definition_;
171 /// number of arguments that were really attached
172 size_t attachedArgsNum_;
173 /// optional argument attached? (only in DISPLAY_NORMAL mode)
175 /// fold mode to be set in next metrics call?
177 /// if macro_ == true, then here is a copy of the macro
178 /// don't use it for locking
179 MacroData macroBackup_;
180 /// if macroNotFound_ == false, then here is a reference to the macro
181 /// this might invalidate after metrics was called
182 MacroData const * macro_;
184 mutable std::map<BufferView const *, bool> editing_;
186 std::string requires_;
187 /// update macro representation
189 /// update lock to avoid loops
191 friend class UpdateLocker;
193 /// maximal number of arguments the macro is greedy for
198 bool completionSupported(Cursor const &) const;
200 bool inlineCompletionSupported(Cursor const & cur) const;
202 bool automaticInlineCompletion() const;
204 bool automaticPopupCompletion() const;
206 CompletionList const * createCompletionList(Cursor const & cur) const;
208 docstring completionPrefix(Cursor const & cur) const;
210 bool insertCompletion(Cursor & cur, docstring const & s, bool finished);
212 void completionPosAndDim(Cursor const &, int & x, int & y, Dimension & dim) const;