*
* 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 "mathed/support.h"
#include "math_defs.h"
+class MathedInset;
+class MathedArray;
+class MathParInset;
+
///
enum mathIterFlags {
/// Allow newlines
- MthIF_CR = 1,
- /// Allow tabs
- MthIF_Tabs = 2
+ MthIF_CR = 1,
+ /// Allow tabs
+ MthIF_Tabs = 2
};
-/**
- Specialized array iterator for amth paragraph. Used for
- storing and querying data operations
- */
+/** Specialized array iterator for math paragraph.
+ Used for storing and querying data operations
+*/
class MathedIter {
- public:
- ///
- MathedIter()
- {
- pos = 0;
- fcode = 0;
- array = 0;
- flags = 0;
- ncols = row = col = 0;
- }
- ///
- MathedIter(LyxArrayBase *);
- ///
- virtual ~MathedIter() { }
- ///
- bool goNextCode(MathedTextCodes);
- ///
- void goPosRel(int);
- ///
- void goPosAbs(int);
- ///
- int Empty() { return array->Last()<= 1; }
- ///
- int OK() { return array && (pos < array->Last()); }
- ///
- int IsFirst() { return (pos == 0); }
- ///
- byte GetChar();
- ///
- byte* GetString(int& len);
- ///
- MathedInset* GetInset();
- ///
- MathParInset* GetActiveInset();
- ///
- bool IsInset();
- ///
- bool IsActive();
- ///
- bool IsFont();
- ///
- bool IsScript();
- ///
- bool IsTab();
- ///
- bool IsCR();
- ///
- virtual void Reset();
- ///
- virtual void Insert(byte, MathedTextCodes c= LM_TC_CONST);
- ///
- virtual void Insert(MathedInset*, int t= LM_TC_INSET);
- ///
- virtual bool Delete();
- ///
- virtual bool Next();
- /// Check consistency of tabs and newlines
- void checkTabs();
- /// Try to adjust tabs in the expected place, as in eqnarrays
- void adjustTabs();
- ///
- short FCode() const { return fcode; }
- ///
- int getPos() const { return pos; }
- ///
- int getRow() const { return row; }
- ///
- int getCol() const { return col; }
- ///
- void setNumCols(int n) { ncols = n; }
- ///
- void SetData(LyxArrayBase *a) { array = a; Reset(); }
- ///
- LyxArrayBase *GetData() { return array; }
-
- /// Copy every object from position p1 to p2
- LyxArrayBase *Copy(int p1= 0, int p2= 10000);
-
- /// Delete every object from position p1 to p2
- void Clear();
-
- protected:
- ///
- void split(int);
- ///
- void join(int);
- ///
- int flags;
- ///
- short fcode;
- ///
- int pos;
- ///
- int row, col, ncols;
- ///
- LyxArrayBase *array;
- // one element stack
- struct MIState {
- ///
- short fcode;
- ///
- int x, y;
- ///
- int pos, row, col;
- } stck;
-
- /// Saves the current state of the iterator
- virtual void ipush();
- /// Recover previous state
- virtual void ipop();
+public:
+ ///
+ MathedIter();
+ ///
+ explicit
+ MathedIter(MathedArray *);
+ ///
+ virtual ~MathedIter() {}
+ ///
+ bool goNextCode(MathedTextCodes);
+ ///
+ void goPosAbs(int);
+ ///
+ int Empty() const;
+ ///
+ int OK() const;
+ ///
+ int IsFirst() const { return (pos == 0); }
+ ///
+ byte GetChar() const;
+ ///
+ string const GetString() const;
+ ///
+ MathedInset * GetInset() const;
+ ///
+ MathParInset * GetActiveInset() const;
+ ///
+ bool IsInset() const;
+ ///
+ bool IsActive() const;
+ ///
+ bool IsFont() const;
+ ///
+ bool IsScript() const;
+ ///
+ bool IsTab() const;
+ ///
+ bool IsCR() const;
+ ///
+ virtual void Reset();
+ ///
+ virtual void Insert(byte, MathedTextCodes c = LM_TC_CONST);
+ ///
+ virtual void Insert(MathedInset *, int t = LM_TC_INSET);
+ ///
+ virtual bool Delete();
+ ///
+ virtual bool Next();
+ /// Check consistency of tabs and newlines
+ void checkTabs();
+ /// Try to adjust tabs in the expected place, as in eqnarrays
+ void adjustTabs();
+ ///
+ short FCode() const { return fcode; }
+ ///
+ int getPos() const { return pos; }
+ ///
+ int getRow() const { return row; }
+ ///
+ int getCol() const { return col; }
+ ///
+ void setNumCols(int n) { ncols = n; }
+ ///
+ void SetData(MathedArray * a);
+ ///
+ MathedArray * GetData() const;
+ /// Copy every object from position p1 to p2
+ MathedArray * Copy(int p1 = 0, int p2 = 10000);
+ /// Delete every object from position p1 to p2
+ void Clear();
+protected:
+ ///
+ void split(int);
+ ///
+ void join(int);
+ ///
+ int flags;
+ ///
+ mutable short fcode;
+ ///
+ mutable int pos;
+ ///
+ int row;
+ ///
+ int col;
+ ///
+ int ncols;
+ ///
+ MathedArray * array;
+ // one element stack
+ struct MIState {
+ ///
+ short fcode;
+ ///
+ int x;
+ ///
+ int y;
+ ///
+ int pos;
+ ///
+ int row;
+ ///
+ int col;
+ };
+ ///
+ MIState stck;
+ /// Saves the current state of the iterator
+ virtual void ipush();
+ /// Recover previous state
+ virtual void ipop();
};
///
-#define MX_WAS_SUB 1
+//#define MX_WAS_SUB 1
///
-#define MX_WAS_SUPER 2
-
-
-/**
- A graphic iterator (updates position.) Used for
- metrics and updating cursor position
- */
-class MathedXIter: public MathedIter {
- public:
- ///
- MathedXIter(): MathedIter() { x = y = size = 0; p = 0; crow = 0; }
- ///
- MathedXIter(MathParInset*);
- ///
- ~MathedXIter() { };
- ///
- void SetData(MathParInset *);
- ///
- MathParInset *getPar() { return p; }
- ///
- bool Next();
- ///
- bool Prev();
- ///
- bool Up();
- ///
- bool Down();
- ///
- bool goNextColumn();
- ///
- void GoLast();
- ///
- void GoBegin();
- ///
- void Adjust();
- ///
- inline
- void GetPos(int&, int&);
- ///
- inline
- void GetIncPos(int&, int&);
- ///
- byte* GetString(int&);
- ///
- int GetX();
- ///
- int GetY();
- ///
- void subMetrics(int, int);
- ///
- void fitCoord(int, int);
- ///
- void getAD(int& a, int& d);
-
- /// Create a new row and insert #ncols# tabs.
- void addRow();
- ///
- void delRow();
-
- /**$ These two functions will be moved from here */
- //@{
- ///
- bool setLabel(char* label);
- ///
- bool setNumbered(bool);
- //@}
-
- ///
- void setTab(int, int);
- /// Merge the array at current position
- void Merge(LyxArrayBase*);
- /// Delete every object from current position to pos2
- void Clean(int pos2);
- MathedRowSt *adjustVerticalSt();
-
- private:
- /// This function is not recursive, as MathPar::Metrics is
- void IMetrics(int, int&, int&, int&);
- /// Font size (display, text, script, script2)
- int size;
- /// current position
- int x, y;
-// /// max ascent and descent
-// int asc, des;
- ///
- MathParInset *p;
-
- // Limits auxiliary variables
- /// Position and max width of a script
- int sx, sw;
- /// true= center, false= left align (default)
- bool limits;
- /// Type of previous script
- short s_type;
-
- void ipush();
-
- void ipop();
-
- protected:
- ///
- MathedRowSt *crow;
-
- private:
- ///
- friend class MathedCursor;
-};
-
-
-//-------------------- Inline functions --------------------------//
-
-
-inline
-bool MathedIter::IsInset()
-{
- return MathIsInset((*array)[pos]);
-}
-
-inline
-bool MathedIter::IsActive()
-{
- return MathIsActive((*array)[pos]);
-}
-
-inline
-bool MathedIter::IsFont()
-{
- return MathIsFont((*array)[pos]);
-}
-
-
-inline
-bool MathedIter::IsScript()
-{
- return MathIsScript((*array)[pos]);
-}
-
-inline
-bool MathedIter::IsTab()
-{
- return ((*array)[pos] == LM_TC_TAB);
-}
-
-
-inline
-bool MathedIter::IsCR()
-{
- return ((*array)[pos] == LM_TC_CR);
-}
-
-
-inline
-MathedIter::MathedIter(LyxArrayBase * d): array(d)
-{
- pos = 0;
- row = col = 0;
- fcode = (array && IsFont()) ? (*array)[0]: 0;
-}
-
-
-inline
-void MathedIter::ipush()
-{
- stck.fcode = fcode;
- stck.pos = pos;
- stck.row = row;
- stck.col = col;
-}
-
-
-inline
-void MathedIter::ipop()
-{
- fcode = stck.fcode;
- pos = stck.pos;
- row = stck.row;
- col = stck.col;
-}
-
-
-inline
-void MathedXIter::GetPos(int&xx, int& yy)
-{
- if (p)
- p->GetXY(xx, yy);
- else
- { xx = 0; yy = 0; }
- xx += x; yy += y;
-}
-
-inline
-int MathedXIter::GetX()
-{
- int xx, yy;
- GetPos(xx, yy);
- return xx;
-}
-
-inline
-int MathedXIter::GetY()
-{
- int xx, yy;
- GetPos(xx, yy);
- return yy;
-}
-
-
-inline
-void MathedXIter::GetIncPos(int& xx, int& yy)
-{
- xx = x; yy = y;
-}
-
-
-inline
-void MathedXIter::getAD(int& a, int& d)
-{
- if (crow) {
- a = crow->asc;
- d = crow->desc;
- } else
- if (p) {
- a = p->Ascent();
- d = p->Descent();
- } else {
- a = d = 0;
- }
-}
-
+//#define MX_WAS_SUPER 2
#endif
-
projects / lyx.git / blobdiff