#include "math_defs.h"
#include "math_inset.h"
+#include "math_pos.h"
#include "LString.h"
class InsetFormulaBase;
class Painter;
class Selection;
-/// Description of a position
-struct MathCursorPos {
- /// inset
- MathAtom * par_;
- /// cell index
- MathInset::idx_type idx_;
- /// cell position
- MathInset::pos_type pos_;
+/**
- /// returns cell corresponding to this position
- MathArray & cell() const;
- /// returns cell corresponding to this position
- MathArray & cell(MathInset::idx_type idx) const;
- /// returns xcell corresponding to this position
- MathXArray & xcell() const;
- /// returns xcell corresponding to this position
- MathXArray & xcell(MathInset::idx_type idx) const;
-};
+[Have a look at math_inset.h first]
+
+The MathCursor is different from the kind of cursor used in the Outer
+World. It contains a stack of MathCursorPositions, each of which is made
+up of a inset pointer, an index and a position offset, marking a path from
+this formula's mathHullInset to the current position.
-///
-bool operator==(MathCursorPos const &, MathCursorPos const &);
-///
-bool operator<(MathCursorPos const &, MathCursorPos const &);
+*/
-/// This is the external interface of Math's subkernel
class MathCursor {
public:
/// short of anything else reasonable
void erase();
///
void backspace();
- ///
+ /// called for LFUN_HOME etc
void home(bool sel = false);
- ///
+ /// called for LFUN_END etc
void end(bool sel = false);
- ///
+ /// called for LFUN_RIGHT and LFUN_RIGHTSEL
bool right(bool sel = false);
- ///
+ /// called for LFUN_LEFT etc
bool left(bool sel = false);
- ///
+ /// called for LFUN_UP etc
bool up(bool sel = false);
- ///
+ /// called for LFUN_DOWN etc
bool down(bool sel = false);
/// Put the cursor in the first position
void first();
/// Put the cursor in the last position
void last();
- ///
+ /// move to next cell in current inset
void idxNext();
- ///
+ /// move to previous cell in current inset
void idxPrev();
///
void plainErase();
///
void delLine();
- /// This is in pixels from (maybe?) the top of inset
+ /// in pixels from top of screen
void setPos(int x, int y);
- /// This is in pixels from (maybe?) the top of inset, don't move further
- ///
+ /// in pixels from top of screen
void getPos(int & x, int & y);
- ///
- MathAtom & par() const;
+ /// current inset
+ MathInset * par() const;
/// return the next enclosing grid inset and the cursor's index in it
MathGridInset * enclosingGrid(idx_type &) const;
///
- InsetFormulaBase const * formula();
- ///
+ InsetFormulaBase * formula();
+ /// current offset in the current cell
pos_type pos() const;
- ///
+ /// current cell
idx_type idx() const;
- ///
+ /// size of current cell
size_type size() const;
///
+ bool script(bool);
+ ///
bool interpret(string const &);
///
bool interpret(char);
///
bool toggleLimits();
- ///
- // Macro mode methods
+ /// interpret name a name of a macro
void macroModeClose();
///
bool inMacroMode() const;
void handleDelim(string const & l, string const & r);
///
void handleNest(MathInset * p);
- /// Splits cells and shifts right part to the next cell
+ /// splits cells and shifts right part to the next cell
void splitCell();
- /// Splits line and insert new row of cell
+ /// splits line and insert new row of cell
void breakLine();
/// read contents of line into an array
void readLine(MathArray & ar) const;
- ///
- MathTextCodes getLastCode() const;
+ /// remove this as soon as LyXFunc::getStatus is "localized"
+ MathTextCodes getLastCode() const { return lastcode_; }
///
void pullArg(bool goright);
///
///
char halign() const;
///
- col_type ncols() const;
+ col_type hullCol() const;
+ ///
+ row_type hullRow() const;
///
- col_type col() const;
+ col_type gridCol() const;
///
- row_type row() const;
+ row_type gridRow() const;
- /// Make sure cursor position is valid
- void normalize() const;
+ /// make sure cursor position is valid
+ void normalize();
///
UpdatableInset * asHyperActiveInset() const;
/// path of positions the cursor had to go if it were leving each inset
cursor_type Cursor_;
/// path of positions the anchor had to go if it were leving each inset
- cursor_type Anchor_;
+ mutable cursor_type Anchor_;
- /// reference to the last item of the path
+ /// reference to the last item of the path, i.e. "The Cursor"
MathCursorPos & cursor();
- ///
+ /// reference to the last item of the path, i.e. "The Cursor"
MathCursorPos const & cursor() const;
- ///
+ /// dump selection information for debugging
void seldump(char const * str) const;
- ///
+ /// dump selection information for debugging
void dump(char const * str) const;
///
void stripFromLastEqualSign();
+ /// moves on
+ void setSelection(cursor_type const & where, size_type n);
///
friend class Selection;
bool idxLeft();
/// moves cursor index one cell to the right
bool idxRight();
- /// moves position somehow up
- bool goUp();
- /// moves position somehow down
- bool goDown();
- /// moves position somehow down
- bool bruteUpDown(int ylow, int yhigh);
+ /// moves position somehow up or down
+ bool goUpDown(bool up);
+ /// moves position into box
+ bool bruteFind(int xo, int yo, int xlow, int xhigh, int ylow, int yhigh);
///
string macroName() const;
///
- int macroNamePos() const;
+ MathInset::difference_type macroNamePos() const;
///
void insert(char, MathTextCodes t);
/// can we enter the inset?
bool openable(MathAtom const &, bool selection) const;
- /// can the setPos routine enter that inset?
- bool positionable(MathAtom const &, int x, int y) const;
/// write access to cursor cell position
pos_type & pos();
/// write access to cursor cell index
idx_type & idx();
///
- InsetFormulaBase * const formula_;
+ InsetFormulaBase * formula_;
///
MathTextCodes lastcode_;
// Selection stuff
projects / lyx.git / blobdiff