*
* Dependencies: Xlib
*
- * Copyright: (c) 1996, 1997 Alejandro Aguilar Sierra
+ * Copyright: 1996, 1997 Alejandro Aguilar Sierra
*
* Version: 0.8beta, Mathed & Lyx project.
*
#pragma interface
#endif
-#include <cstdio>
+#include <iosfwd>
+
#include "LString.h"
#include "debug.h"
#include "array.h"
+class Painter;
+
///
enum math_align {
///
/// Standard Math Sizes (Math mode styles)
enum MathedStyles {
///
- LM_ST_DISPLAY = 0,
- ///
- LM_ST_TEXT,
- ///
- LM_ST_SCRIPT,
- ///
- LM_ST_SCRIPTSCRIPT
+ LM_ST_DISPLAY = 0,
+ ///
+ LM_ST_TEXT,
+ ///
+ LM_ST_SCRIPT,
+ ///
+ LM_ST_SCRIPTSCRIPT
};
/// Standard LaTeX Math Environments
enum MathedEnvironment {
///
- LM_EN_INTEXT = 0,
- ///
- LM_EN_DISPLAY,
- ///
- LM_EN_EQUATION,
- ///
- LM_EN_EQNARRAYAST,
- ///
- LM_EN_EQNARRAY,
- ///
- LM_EN_ARRAY
+ LM_EN_INTEXT = 0,
+ ///
+ LM_EN_DISPLAY,
+ ///
+ LM_EN_EQUATION,
+ ///
+ LM_EN_EQNARRAYAST,
+ ///
+ LM_EN_EQNARRAY,
+ ///
+ LM_EN_ARRAY
};
/** The restrictions of a standard LaTeX math paragraph
allows to get a small number of text codes (<30) */
enum MathedTextCodes {
- /// This must be >= 0
- LM_TC_MIN = 0,
- /// Open and Close group
- LM_TC_OPEN,
- ///
- LM_TC_CLOSE,
- /// Tabulator
- LM_TC_TAB,
- /// New line
- LM_TC_CR,
- /// Math Inset
- LM_TC_INSET,
- /// Super and sub scripts
- LM_TC_UP,
- ///
- LM_TC_DOWN,
- /// Editable Math Inset
- LM_TC_ACTIVE_INSET,
- /// Editable Text Inset
- LM_TC_TEXT_INSET,
- ///
- LM_FONT_BEGIN,
- /// Internal code for constants
- LM_TC_CONST,
- /// Internal code for variables
- LM_TC_VAR,
- ///
- LM_TC_RM,
- ///
- LM_TC_CAL,
- ///
- LM_TC_BF,
- ///
- LM_TC_SF,
- ///
- LM_TC_TT,
- ///
- LM_TC_IT,
- ///
- LM_TC_TEXTRM,
- /// Math mode TeX characters ",;:{}"
- LM_TC_TEX,
- /// Special characters "{}&#_%"
- LM_TC_SPECIAL,
- /// Internal code for operators
- LM_TC_BOP,
- /// Internal code for symbols
- LM_TC_SYMB,
- ///
- LM_TC_BOPS,
- ///
- LM_TC_BSYM,
- ///
- LM_FONT_END,
-
- /// This must be < 32
- LM_TC_MAX
+ /// This must be >= 0
+ LM_TC_MIN = 0,
+ /// Open and Close group
+ LM_TC_OPEN,
+ ///
+ LM_TC_CLOSE,
+ /// Tabulator
+ LM_TC_TAB,
+ /// New line
+ LM_TC_CR,
+ /// Math Inset
+ LM_TC_INSET,
+ /// Super and sub scripts
+ LM_TC_UP,
+ ///
+ LM_TC_DOWN,
+ /// Editable Math Inset
+ LM_TC_ACTIVE_INSET,
+ /// Editable Text Inset
+ LM_TC_TEXT_INSET,
+ ///
+ LM_FONT_BEGIN,
+ /// Internal code for constants
+ LM_TC_CONST,
+ /// Internal code for variables
+ LM_TC_VAR,
+ ///
+ LM_TC_RM,
+ ///
+ LM_TC_CAL,
+ ///
+ LM_TC_BF,
+ ///
+ LM_TC_SF,
+ ///
+ LM_TC_TT,
+ ///
+ LM_TC_IT,
+ ///
+ LM_TC_TEXTRM,
+ /// Math mode TeX characters ",;:{}"
+ LM_TC_TEX,
+ /// Special characters "{}&#_%"
+ LM_TC_SPECIAL,
+ /// Internal code for operators
+ LM_TC_BOP,
+ /// Internal code for symbols
+ LM_TC_SYMB,
+ ///
+ LM_TC_BOPS,
+ ///
+ LM_TC_BSYM,
+ ///
+ LM_FONT_END,
+
+ /// This must be < 32
+ LM_TC_MAX
};
-ostream & operator<<(ostream &, MathedTextCodes mtc);
+///
+std::ostream & operator<<(std::ostream &, MathedTextCodes mtc);
///
#define LM_TC_NORMAL LM_TC_VAR
/// Types of lyx-math insets
enum MathedInsetTypes {
- ///
- LM_OT_MIN = 0,
- /// A simple paragraph
- LM_OT_PAR,
- /// A simple numbered paragraph
- LM_OT_PARN,
- /// A multiline paragraph
- LM_OT_MPAR,
- /// A multiline numbered paragraph
- LM_OT_MPARN,
- /// An array
- LM_OT_MATRIX,
- /// A big operator
- LM_OT_BIGOP,
- /// A LaTeX macro
- LM_OT_UNDEF,
- ///
- LM_OT_FUNC,
- ///
- LM_OT_FUNCLIM,
- ///
- LM_OT_SCRIPT,
- ///
- LM_OT_SPACE,
- ///
- LM_OT_DOTS,
- /// A fraction
- LM_OT_FRAC,
- ///
- LM_OT_ATOP,
- ///
- LM_OT_STACKREL,
- /// A radical
- LM_OT_SQRT,
- /// A delimiter
- LM_OT_DELIM,
- /// A decoration
- LM_OT_DECO,
- /// An accent
- LM_OT_ACCENT,
- ///
- LM_OT_MACRO,
- ///
- LM_OT_MACRO_ARG,
- ///
- LM_OT_MAX
+ ///
+ LM_OT_MIN = 0,
+ /// A simple paragraph
+ LM_OT_PAR,
+ /// A simple numbered paragraph
+ LM_OT_PARN,
+ /// A multiline paragraph
+ LM_OT_MPAR,
+ /// A multiline numbered paragraph
+ LM_OT_MPARN,
+ /// An array
+ LM_OT_MATRIX,
+ /// A big operator
+ LM_OT_BIGOP,
+ /// A LaTeX macro
+ LM_OT_UNDEF,
+ ///
+ LM_OT_FUNC,
+ ///
+ LM_OT_FUNCLIM,
+ ///
+ LM_OT_SCRIPT,
+ ///
+ LM_OT_SPACE,
+ ///
+ LM_OT_DOTS,
+ /// A fraction
+ LM_OT_FRAC,
+ ///
+ LM_OT_ATOP,
+ ///
+ LM_OT_STACKREL,
+ /// A radical
+ LM_OT_SQRT,
+ /// A delimiter
+ LM_OT_DELIM,
+ /// A decoration
+ LM_OT_DECO,
+ /// An accent
+ LM_OT_ACCENT,
+ ///
+ LM_OT_MACRO,
+ ///
+ LM_OT_MACRO_ARG,
+ ///
+ LM_OT_MAX
};
///
enum MathedBinaryTypes {
///
- LMB_NONE = 0,
- ///
- LMB_RELATION,
- ///
- LMB_OPERATOR,
- ///
- LMB_BOP = (LMB_RELATION | LMB_OPERATOR)
+ LMB_NONE = 0,
+ ///
+ LMB_RELATION,
+ ///
+ LMB_OPERATOR,
+ ///
+ LMB_BOP = (LMB_RELATION | LMB_OPERATOR)
};
-class MathedInset;
class MathParInset;
-
/** Abstract base class for all math objects.
A math insets is for use of the math editor only, it isn't a
general LyX inset. It's used to represent all the math objects.
/// A math inset has a name (usually its LaTeX name), type and font-size
MathedInset(char const * nm, short ot, short st);
///
+ explicit
MathedInset(MathedInset *);
///
virtual ~MathedInset() {}
-
- /// Draw the object
- virtual void Draw(int x, int baseline) = 0;
-
- /// Write LaTeX and Lyx code
- virtual void Write(FILE * file) = 0;
+
+ /// Draw the object
+ virtual void draw(Painter &, int x, int baseline) = 0;
+
/// Write LaTeX and Lyx code
- virtual void Write(string & file) = 0;
-
+ virtual void Write(std::ostream &, bool fragile) = 0;
+
/// Reproduces itself
virtual MathedInset * Clone() = 0;
virtual void SetStyle(short st) { size = st; } // Metrics();
///
virtual void SetName(char const * n) { name = n; }
- ///
- void setDrawable(long unsigned int d) { pm = d; }
-
protected:
///
char const * name;
int descent;
///
short size;
- /// This works while only one process can draw unless
- /// the process have their own data
- static long unsigned int pm;
/// Default metrics
- static int df_asc, df_des, df_width;
-
+ static int df_asc;
+ ///
+ static int df_des;
+ ///
+ static int df_width;
/// In a near future maybe we use a better fonts renderer than X
- void drawStr(short, int, int, int, byte *, int);
- ///
+ void drawStr(Painter &, short, int, int, int, byte const *, int);
+ ///
friend class MathedCursor;
- ///
+ ///
friend void mathed_init_fonts();
};
/// Paragraph permissions
enum MathedParFlag {
- LMPF_BASIC = 0,
- /// If false can use a non-standard size
- LMPF_FIXED_SIZE = 1,
- /// If true can insert newlines
- LMPF_ALLOW_CR = 2,
- /// If true can use tabs
- LMPF_ALLOW_TAB = 4,
- /// If true can insert new columns
- LMPF_ALLOW_NEW_COL = 8,
- /// Smaller than current size (frac)
- LMPF_SMALLER = 16,
- /// Script size (subscript, stackrel)
- LMPF_SCRIPT = 32
+ LMPF_BASIC = 0,
+ /// If false can use a non-standard size
+ LMPF_FIXED_SIZE = 1,
+ /// If true can insert newlines
+ LMPF_ALLOW_CR = 2,
+ /// If true can use tabs
+ LMPF_ALLOW_TAB = 4,
+ /// If true can insert new columns
+ LMPF_ALLOW_NEW_COL = 8,
+ /// Smaller than current size (frac)
+ LMPF_SMALLER = 16,
+ /// Script size (subscript, stackrel)
+ LMPF_SCRIPT = 32
};
class MathParInset: public MathedInset {
public:
///
- MathParInset(short st= LM_ST_TEXT, char const * nm= 0,
- short ot= LM_OT_MIN);
+ MathParInset(short st = LM_ST_TEXT, char const * nm = 0,
+ short ot = LM_OT_MIN);
///
+ explicit
MathParInset(MathParInset *);
///
virtual ~MathParInset();
///
- virtual MathParInset * Clone();
+ virtual MathedInset * Clone();
/// Draw the object on a drawable
- virtual void Draw(int x, int baseline);
-
- /// Write LaTeX code
- virtual void Write(FILE * file);
+ virtual void draw(Painter &, int x, int baseline);
+
/// Write LaTeX code
- virtual void Write(string & file);
+ virtual void Write(std::ostream &, bool fragile);
+
///
virtual void Metrics();
///
// virtual void SetLabel(char const *) {}
///
virtual void SetStyle(short);
- ///
+ ///
virtual MathedRowSt * getRowSt() const { return 0; }
- ///
+ ///
virtual void setRowSt(MathedRowSt *) {}
- ///
+ ///
virtual bool Permit(short f) { return bool(f & flag); }
protected:
/// Paragraph data is stored here
LyxArrayBase * array;
/// Cursor start position
- int xo, yo;
+ int xo;
+ ///
+ int yo;
///
short flag;
private:
///
virtual void setFlag(MathedParFlag f) { flag |= f; }
- ///
+ ///
friend class InsetFormula;
- ///
+ ///
friend class MathedXIter;
- ///
+ ///
friend class MathedCursor;
- ///
+ ///
friend LyxArrayBase * mathed_parse(unsigned flags = 0,
LyxArrayBase * a = 0,
MathParInset ** p = 0);
};
-/* The physical structure of a row and aditional information is stored here.
+/** The physical structure of a row and aditional information is stored here.
It allows to manage the extra info independently of the paragraph data.
Only used for multiline paragraphs.
*/
struct MathedRowSt {
- ///
+ ///
+ explicit
MathedRowSt(int n) {
w = new int[n + 1]; // this leaks
- next = 0;
- label = 0;
- numbered = true;
+ asc = desc = y = 0;
+ for (int i = 0 ; i < n + 1 ; ++i)
+ w[i] = 0;
+ next = 0;
+ label = 0;
+ numbered = true;
}
///
~MathedRowSt() {
- delete[] w;
- if (label) delete[] label;
+ delete[] w;
+ delete[] label;
}
/// Should be const but...
MathedRowSt * getNext() const { return next; }
bool numbered;
///
MathedRowSt * next;
- ///
+ ///
friend class MathMatrixInset;
- ///
+ ///
friend class MathedXIter;
};
class MathMatrixInset: public MathParInset {
public:
///
+ explicit
MathMatrixInset(int m = 1, int n = 1, short st = LM_ST_TEXT);
///
+ explicit
MathMatrixInset(MathMatrixInset *);
///
- MathMatrixInset * Clone();
+ MathedInset * Clone();
///
virtual ~MathMatrixInset();
///
- void Draw(int, int);
- ///
- void Write(FILE * file);
+ void draw(Painter &, int, int);
///
- void Write(string & file);
+ void Write(std::ostream &, bool fragile);
///
void Metrics();
///
/// Use this to manage the extra information independently of paragraph
MathedRowSt * getRowSt() const { return row; }
- ///
+ ///
void setRowSt(MathedRowSt * r) { row = r; }
protected:
/// Number of columns & rows
- int nc, nr;
+ int nc;
+ ///
+ int nr;
/// tab sizes
int * ws;
///
LyxArrayBase * mathed_parse(unsigned flags, LyxArrayBase * data,
MathParInset ** mt);
///
-void mathed_write(MathParInset *, FILE *, int *, char fragile,
- char const * label = 0);
-///
-void mathed_write(MathParInset *, string &, int *, char fragile,
+void mathed_write(MathParInset *, std::ostream &, int *, bool fragile,
char const * label = 0);
+
///
-void mathed_parser_file(FILE *, int);
+void mathed_parser_file(std::istream &, int);
///
int mathed_parser_lineno();
///
int MathedLookupBOP(short);
/************************ Inline functions ********************************/
+
///
-inline bool MathIsInset(short x)
+inline
+bool MathIsInset(short x)
{
return LM_TC_INSET <= x && x <= LM_TC_ACTIVE_INSET;
}
///
-inline bool MathIsFont(short x)
+inline
+bool MathIsFont(short x)
{
return LM_TC_CONST <= x && x <= LM_TC_BSYM;
}
///
-inline bool MathIsAlphaFont(short x)
+inline
+bool MathIsAlphaFont(short x)
{
return LM_TC_VAR <= x && x <= LM_TC_TEXTRM;
}
///
-inline bool MathIsActive(short x)
+inline
+bool MathIsActive(short x)
{
return LM_TC_INSET < x && x <= LM_TC_ACTIVE_INSET;
}
///
-inline bool MathIsUp(short x)
+inline
+bool MathIsUp(short x)
{
return x == LM_TC_UP;
}
///
-inline bool MathIsDown(short x)
+inline
+bool MathIsDown(short x)
{
return x == LM_TC_DOWN;
}
///
-inline bool MathIsScript(short x)
+inline
+bool MathIsScript(short x)
{
return x == LM_TC_DOWN || x == LM_TC_UP;
}
///
-inline bool MathIsBOPS(short x)
+inline
+bool MathIsBOPS(short x)
{
return MathedLookupBOP(x) > LMB_NONE;
}
-
///
-inline bool MathIsBinary(short x)
+inline
+bool MathIsBinary(short x)
{
return x == LM_TC_BOP || x == LM_TC_BOPS;
}
///
-inline bool MathIsSymbol(short x) {
+inline
+bool MathIsSymbol(short x) {
return LM_TC_SYMB <= x && x <= LM_TC_BSYM;
}
-inline
+inline
MathedInset::MathedInset(char const * nm, short ot, short st):
name(nm), objtype(ot), size(st)
{
width = ascent = descent = 0;
}
+
inline
bool MathParInset::Inside(int x, int y)
{
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