#ifndef MATH_SCRIPTINSET_H
#define MATH_SCRIPTINSET_H
-#include "math_inset.h"
+#include "math_nestinset.h"
#ifdef __GNUG__
#pragma interface
\author André Pönitz
*/
-
-class MathScriptInset : public MathInset {
+class MathScriptInset : public MathNestInset {
public:
- ///
+ /// create inset without scripts
MathScriptInset();
- ///
- MathScriptInset(bool up, bool down, MathInset * = 0);
- ///
- MathScriptInset(MathScriptInset const &);
- ///
- ~MathScriptInset();
+ /// create inset with single script
+ explicit MathScriptInset(bool up);
///
MathInset * clone() const;
///
- void write(std::ostream &, bool fragile) const;
+ void write(WriteStream & os) const;
///
- void writeNormal(std::ostream &) const;
+ void normalize(NormalStream & os) const;
///
- void metrics(MathStyles st);
+ void metrics(MathMetricsInfo const & st) const;
///
- void draw(Painter &, int x, int baseline);
+ void draw(Painter &, int x, int y) const;
///
- bool idxUp(int & idx, int & pos) const;
- ///
- bool idxDown(int & idx, int & pos) const;
- ///
- bool idxLeft(int & idx, int & pos) const;
- ///
- bool idxRight(int & idx, int & pos) const;
+ void metrics(MathInset const * nuc, MathMetricsInfo const & st) const;
///
- bool idxFirst(int & idx, int & pos) const;
+ void draw(MathInset const * nuc, Painter &, int x, int y) const;
///
- bool idxFirstUp(int & idx, int & pos) const;
+ int ascent(MathInset const * nuc) const;
///
- bool idxFirstDown(int & idx, int & pos) const;
+ int descent(MathInset const * nuc) const;
///
- bool idxLast(int & idx, int & pos) const;
- ///
- bool idxLastUp(int & idx, int & pos) const;
- ///
- bool idxLastDown(int & idx, int & pos) const;
- ///
- void idxDelete(int & idx, bool & popit, bool & deleteit);
+ int width(MathInset const * nuc) const;
///
- bool up() const;
- ///
- bool down() const;
- ///
- void up(bool);
- ///
- void down(bool);
- ///
- void limits(int);
+ bool idxLeft(idx_type &, pos_type &) const;
///
- int limits() const;
- ///
- bool isActive() const { return false; }
- /// Identifies ScriptInsets
- bool isScriptInset() const { return true; }
+ bool idxRight(idx_type &, pos_type &) const;
+
+ /// identifies scriptinsets
+ MathScriptInset const * asScriptInset() const;
///
- int xoffset() const { return dxx_; }
+ MathScriptInset * asScriptInset();
+
+ /// set limits
+ void limits(int lim) { limits_ = lim; }
+ /// get limits
+ int limits() const { return limits_; }
+ /// true if we have an "inner" position
+ MathXArray const & up() const;
+ /// returns subscript
+ MathXArray const & down() const;
+ /// returns superscript
+ MathXArray & up();
+ /// returns subscript
+ MathXArray & down();
+ /// do we have a superscript?
+ bool hasUp() const;
+ /// do we have a subscript?
+ bool hasDown() const;
+ /// do we have a script?
+ bool has(bool up) const;
+ /// remove script
+ void removeScript(bool up);
+ /// remove script
+ void removeEmptyScripts();
+ /// make sure a script is accessible
+ void ensure(bool up);
+
+ // call these methods ...2 to make compaq cxx in anal mode happy...
+ /// suppresses empty braces if necessary
+ virtual void write2(MathInset const * nuc, WriteStream & os) const;
+ virtual void normalize2(MathInset const * nuc, NormalStream & os) const;
+ virtual void octavize2(MathInset const * nuc, OctaveStream & os) const;
+ virtual void maplize2(MathInset const * nuc, MapleStream & os) const;
+ virtual void mathmlize2(MathInset const * nuc, MathMLStream & os) const;
+
+public:
+ /// returns x offset for main part
+ int dxx(MathInset const * nuc) const;
+ /// returns width of nucleus if any
+ int nwid(MathInset const * nuc) const;
private:
- ///
- bool hasLimits() const;
- ///
- bool up_;
- ///
- bool down_;
- ///
- string ssym_;
- /// 1: \limits, -1: \nolimits, 0: use default
+ /// returns y offset for superscript
+ int dy0(MathInset const * nuc) const;
+ /// returns y offset for subscript
+ int dy1(MathInset const * nuc) const;
+ /// returns x offset for superscript
+ int dx0(MathInset const * nuc) const;
+ /// returns x offset for subscript
+ int dx1(MathInset const * nuc) const;
+ /// returns ascent of nucleus if any
+ int nasc(MathInset const * nuc) const;
+ /// returns descent of nucleus if any
+ int ndes(MathInset const * nuc) const;
+ /// where do we have to draw the scripts?
+ bool hasLimits(MathInset const * nuc) const;
+
+ /// possible subscript (index 0) and superscript (index 1)
+ bool script_[2];
+ /// 1 - "limits", -1 - "nolimits", 0 - "default"
int limits_;
- /// x offset for drawing the superscript
- int dx0_;
- /// x offset for drawing the subscript
- int dx1_;
- /// x offset for drawing the inner symbol
- int dxx_;
- ///
- int dy0_;
- ///
- int dy1_;
- ///
- MathInset * symbol_;
+ /// cached MathMetricsInfo
+ mutable MathMetricsInfo mi_;
};
#endif
+