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 "InsetMathSqrt.h"
18 #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(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;
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 left);
50 Inset * editXY(Cursor & cur, int x, int y);
52 /// target pos when we enter the inset from the left by pressing "Right"
53 bool idxFirst(Cursor &) const;
54 /// target pos when we enter the inset from the right by pressing "Left"
55 bool idxLast(Cursor &) const;
58 virtual bool notifyCursorLeaves(Cursor &);
60 /// Remove cell (starting from 0)
61 void removeArgument(size_t pos);
62 /// Insert empty cell (starting from 0)
63 void insertArgument(size_t pos);
66 void validate(LaTeXFeatures &) const;
69 void write(WriteStream & os) const;
71 void maple(MapleStream &) const;
73 void mathmlize(MathStream &) const;
75 void octave(OctaveStream &) const;
77 void infoize(odocstream &) const;
79 void infoize2(odocstream &) const;
81 /// fold the macro in the next metrics call
82 void fold(Cursor & cur);
83 /// unfold the macro in the next metrics call
84 void unfold(Cursor & cur);
85 /// will it be folded or unfolded in the next metric call?
95 DisplayMode displayMode() const { return displayMode_; }
98 bool extraBraces() const { return displayMode_ == DISPLAY_NORMAL && arity() > 0; }
102 docstring name() const;
104 bool validName() const;
106 size_t arity() const {
107 if (displayMode_ == DISPLAY_NORMAL )
108 return cells_.size();
114 int optionals() const { return optionals_; }
116 void setOptionals(int n) {
117 if (n <= int(nargs()))
122 friend class MathData;
123 friend class ArgumentProxy;
125 /// update the display mode (should only be called after detaching arguments)
126 void setDisplayMode(DisplayMode mode);
127 /// compute the next display mode
128 DisplayMode computeDisplayMode(MetricsInfo const & mi) const;
129 /// update macro definition
130 void updateMacro(MetricsInfo & mi);
131 /// check if macro definition changed, argument changed etc. and adapt
132 void updateRepresentation(MetricsInfo & mi);
133 /// empty macro, put arguments into args, possibly strip arity-attachedArgsNum_ empty ones.
134 /// Includes the optional arguments.
135 void detachArguments(std::vector<MathData> & args, bool strip);
136 /// attach arguments (maybe less than arity at the end of an MathData),
137 /// including the optional ones (even if it can be empty here)
138 void attachArguments(std::vector<MathData> const & args, size_t arity, int optionals);
140 bool editing() { return editing_; }
142 MacroData const * macro() { return macro_; }
146 virtual Inset * clone() const;
147 /// the index of the cursor slice of the macro, or -1 if it is not edited
148 int cursorIdx(Cursor const & cur) const;
150 bool editMode(Cursor const & cur) const;
154 /// current display mode
155 DisplayMode displayMode_;
156 /// display mode before change
157 InsetMathSqrt expanded_;
158 /// number of arguments that were really attached
159 size_t attachedArgsNum_;
160 /// cursor position during last draw
162 /// optional argument attached? (only in DISPLAY_NORMAL mode)
164 /// fold mode to be set in next metrics call?
166 /// if macro_ == true, then here is a copy of the macro
167 /// don't use it for locking
168 MacroData macroBackup_;
169 /// if macroNotFound_ == false, then here is a reference to the macro
170 /// this might invalidate after metrics was called
171 MacroData const * macro_;
175 std::string requires_;
176 /// update macro representation