X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_cursor.h;h=96d0348085baebb5a80f0bfa5afc51de198e5ad9;hb=d359dd8fca52c4f0100f7cf4bf636113c5c4e49f;hp=3f316d96b72486b73af99883229c26ae0e101a9c;hpb=88b5d739b5f25ff9012be11620256e98ba3789bb;p=lyx.git diff --git a/src/mathed/math_cursor.h b/src/mathed/math_cursor.h index 3f316d96b7..96d0348085 100644 --- a/src/mathed/math_cursor.h +++ b/src/mathed/math_cursor.h @@ -2,7 +2,7 @@ /* * File: math_cursor.h * Purpose: Declaration of interaction classes for mathed - * Author: Alejandro Aguilar Sierra + * Author: Alejandro Aguilar Sierra * Created: January 1996 * Description: MathCursor control all user interaction * @@ -21,206 +21,305 @@ #pragma interface #endif -#include "math_defs.h" +#include "math_inset.h" +#include "math_pos.h" +#include "LString.h" -class MathInset; -class MathFuncInset; -class MathScriptInset; class InsetFormulaBase; -class MathArray; -class MathXArray; +class MathPainterInfo; +class MathUnknownInset; +class Selection; + +/** + +[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. + +*/ + -/// This is the external interface of Math's subkernel class MathCursor { public: + /// short of anything else reasonable + typedef MathInset::size_type size_type; + /// type for cursor positions within a cell + typedef MathInset::pos_type pos_type; + /// type for cell indices + typedef MathInset::idx_type idx_type; + /// type for row numbers + typedef MathInset::row_type row_type; + /// type for column numbers + typedef MathInset::col_type col_type; + /// how to store a cursor + typedef std::vector cursor_type; + /// - explicit MathCursor(InsetFormulaBase *); - /// - void insert(char, MathTextCodes t = LM_TC_MIN); + explicit MathCursor(InsetFormulaBase *, bool left); /// - void insert(MathInset *); + ~MathCursor(); /// - void Home(); + void insert(MathAtom const &); /// - void End(); + void insert(MathArray const &); /// - bool Right(bool sel = false); + void paste(MathArray const &); /// - bool Left(bool sel = false); + void paste(MathGridInset const & data); /// - bool Up(bool sel = false); + void erase(); /// - bool Down(bool sel = false); + 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(); /// - bool plainRight(); - /// - void Delete(); + void plainErase(); /// - void DelLine(); - /// This is in pixels from (maybe?) the top of inset - void SetPos(int, int); + void plainInsert(MathAtom const &); /// - void GetPos(int & x, int & y); + void niceInsert(MathAtom const &); + /// + void delLine(); + /// in pixels from top of screen + void setPos(int x, int y); + /// in pixels from top of screen + void getPos(int & x, int & y); + /// current inset MathInset * par() const; - /// return the next enclosing par of the given type and the cursor's - //index in it - MathInset * enclosing(MathInsetTypes, int &) const; - /// - InsetFormulaBase const * formula(); - /// - int pos() const; - /// - void Interpret(string const &); - /// - void SetSize(MathStyles); + /// return the next enclosing grid inset and the cursor's index in it + MathGridInset * enclosingGrid(idx_type & idx) const; + /// return the next enclosing hull inset and the cursor's index in it + MathHullInset * enclosingHull(idx_type & idx) const; + /// go up to enclosing grid + void popToEnclosingGrid(); + /// go up to the hull inset + void popToEnclosingHull(); + /// + InsetFormulaBase * formula() const; + /// 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 - void MacroModeOpen(); - /// - void MacroModeClose(); - /// - bool InMacroMode() const; - + /// interpret name a name of a macro + void macroModeClose(); + /// are we currently typing the name of a macro? + MathUnknownInset * inMacroMode() const; + /// are we currently typing '#1' or '#2' or...? + bool inMacroArgMode() const; + /// are we in an mbox? + bool inMathMode() const; + // Local selection methods /// - bool Selection() const; + bool selection() const; /// - void SelCopy(); + void selCopy(); /// - void SelCut(); + void selCut(); /// - void SelDel(); + void selDel(); /// - void SelPaste(); + void selPaste(); /// - void SelHandle(bool); + void selHandle(bool); /// - void SelStart(); + void selStart(); /// - void SelClear(); + void selClear(); + /// clears or deletes selection depending on lyxrc setting + void selClearOrDel(); /// - void SelGetArea(int * xp, int * yp, int & n); + void selGet(MathArray & ar); /// - void clearLastCode(); + void drawSelection(MathPainterInfo & pain) const; /// - void setLastCode(MathTextCodes t); + void handleDelim(string const & l, string const & r); /// - void handleFont(MathTextCodes t); - /// - void handleAccent(int code); - /// - void handleDelim(int l, int r); - /// Splits cells and shifts right part to the next cell + void handleNest(MathInset * p); + /// 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; + /// remove this as soon as LyXFunc::getStatus is "localized" + string getLastCode() const { return "mathnormal"; } /// - MathTextCodes getLastCode() const; - /// - int idx() const { return idx_; } - /// - void idxNext(); - /// - void idxPrev(); - /// - void pullArg(); - /// - bool isInside(MathInset *) const; - /// - MathTextCodes nextCode() const; + void pullArg(bool goright); /// - MathTextCodes prevCode() const; + bool isInside(MathInset const *) const; /// char valign() const; /// char halign() const; /// - int col() const; + col_type hullCol() const; /// - int row() const; - -//protected: + row_type hullRow() const; /// - bool macro_mode; - - // Selection stuff + col_type gridCol() const; /// - bool selection; + row_type gridRow() const; + + /// make sure cursor position is valid + void normalize(); + /// mark current cursor trace for redraw + void touch(); /// - int anchor_; + UpdatableInset * asHyperActiveInset() const; + + /// enter a MathInset + void push(MathAtom & par); + /// enter a MathInset from the front + void pushLeft(MathAtom & par); + /// enter a MathInset from the back + void pushRight(MathAtom & par); + /// leave current MathInset to the left + bool popLeft(); + /// leave current MathInset to the left + bool popRight(); + /// - int cursor_; + MathArray & array() const; /// - int idx_; + MathXArray & xarray() const; /// - MathInset * par_; + bool hasPrevAtom() const; /// - InsetFormulaBase * const formula_; + bool hasNextAtom() const; /// - MathTextCodes lastcode; - + MathAtom const & prevAtom() const; /// - MathArray & array() const; + MathAtom & prevAtom(); /// - MathXArray & xarray() const; - + MathAtom const & nextAtom() const; /// - MathStyles style() const; - /// Make sure cursor position is valid - void normalize() const; - - /// Enter a new MathInset from the front or the back - void push(MathInset * par, bool first); - /// Leave current MathInset - bool pop(); + MathAtom & nextAtom(); -private: - /// Description of a position - struct MathIter { - MathInset * par_; - int idx_; - int cursor_; - }; + /// returns the selection + void getSelection(MathCursorPos &, MathCursorPos &) const; + /// returns the normalized anchor of the selection + MathCursorPos normalAnchor() const; - /// MathPath - std::vector 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; + /// how deep are we nested? + unsigned depth() const; - /// - int last() const; - /// - MathInset * parInset(int i) const; - /// + /// local dispatcher + int dispatch(string const & cmd); + /// describe the situation + string info() const; + /// dump selection information for debugging void seldump(char const * str) const; - /// + /// dump selection information for debugging void dump(char const * str) const; - + /// moves on + void setSelection(cursor_type const & where, size_type n); /// - int xpos() const; + void insert(char c); /// - void gotoX(int x); + void insert(string const & str); + /// lock/unlock inset + void insetToggle(); + + /// hack for reveal codes + void markInsert(); + void markErase(); + void handleExtern(string const & arg); /// - bool nextIsInset() const; - /// - bool prevIsInset() const; - /// - void merge(MathArray const & arr); - /// - MathInset * nextInset() const; + friend class Selection; + + +private: + /// moves cursor index one cell to the left + bool idxLeft(); + /// moves cursor index one cell to the right + bool idxRight(); + /// moves cursor to beginning first cell of current line + bool idxLineFirst(); + /// moves cursor to end of last cell of current line + bool idxLineLast(); + /// moves cursor position one cell to the left + bool posLeft(); + /// moves cursor position one cell to the right + bool posRight(); + /// 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); + + + /// grab grid marked by anchor and current cursor + MathGridInset grabSelection() const; + /// erase the selected part and re-sets the cursor + void eraseSelection(); + /// guess what + MathGridInset grabAndEraseSelection(); + /// - MathInset * prevInset() const; + string macroName() const; /// - MathScriptInset * nearbyScriptInset() const; + MathInset::difference_type macroNamePos() const; + /// can we enter the inset? + bool openable(MathAtom const &, bool selection) const; + /// write access to cursor cell position + pos_type & pos(); + /// write access to cursor cell index + idx_type & idx(); - /// - MathFuncInset * imacro; + /// path of positions the cursor had to go if it were leaving each inset + cursor_type Cursor_; + /// path of positions the anchor had to go if it were leaving each inset + mutable cursor_type Anchor_; + /// pointer to enclsing LyX inset + InsetFormulaBase * formula_; + // Selection stuff + /// text code of last char entered + //MathTextCodes lastcode_; + /// do we allow autocorrection + bool autocorrect_; + /// do we currently select + bool selection_; + /// are we entering a macro name? + bool macromode_; + /// are we targeting a certain x coordinate, if so, which one? + int targetx_; }; extern MathCursor * mathcursor;