X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_cursor.h;h=96d0348085baebb5a80f0bfa5afc51de198e5ad9;hb=d359dd8fca52c4f0100f7cf4bf636113c5c4e49f;hp=93b7fc029785ba2e215a6a225297a149bb4be34a;hpb=c0ef23bc2a2f2b3bd6c3520e0c0bd6223bb1a1a2;p=lyx.git diff --git a/src/mathed/math_cursor.h b/src/mathed/math_cursor.h index 93b7fc0297..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 * @@ -21,94 +21,77 @@ #pragma interface #endif -#include "math_defs.h" #include "math_inset.h" +#include "math_pos.h" #include "LString.h" -class MathInset; -class MathAtom; -class MathArrayInset; -class MathFuncInset; -class MathMatrixInset; -class MathScriptInset; -class MathSpaceInset; class InsetFormulaBase; -class MathArray; -class MathXArray; -class Painter; +class MathPainterInfo; +class MathUnknownInset; class Selection; -class latexkeys; -/// 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 - typedef MathInset::size_type size_type; + typedef MathInset::size_type size_type; /// type for cursor positions within a cell - typedef MathInset::pos_type pos_type; + typedef MathInset::pos_type pos_type; /// type for cell indices - typedef MathInset::idx_type idx_type; + typedef MathInset::idx_type idx_type; /// type for row numbers - typedef MathInset::row_type row_type; + typedef MathInset::row_type row_type; /// type for column numbers - typedef MathInset::col_type col_type; + typedef MathInset::col_type col_type; + /// how to store a cursor + typedef std::vector cursor_type; /// explicit MathCursor(InsetFormulaBase *, bool left); /// + ~MathCursor(); + /// void insert(MathAtom const &); /// void insert(MathArray const &); /// void paste(MathArray const &); /// + void paste(MathGridInset const & data); + /// 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(); @@ -119,34 +102,45 @@ public: /// void delLine(); - /// This is in pixels from (maybe?) the top of inset - void setPos(int, int); - /// + /// in pixels from top of screen + void setPos(int x, int y); + /// 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 - MathArrayInset * enclosingArray(idx_type &) const; - /// - InsetFormulaBase const * formula(); - /// + 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; /// - void interpret(string const &); + bool script(bool); /// - void interpret(char); + bool interpret(string const &); + /// + bool interpret(char); /// bool toggleLimits(); - /// - // Macro mode methods + /// interpret name a name of a macro void macroModeClose(); - /// - bool inMacroMode() const; - + /// 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; @@ -164,39 +158,49 @@ public: void selStart(); /// void selClear(); + /// clears or deletes selection depending on lyxrc setting + void selClearOrDel(); /// - void drawSelection(Painter & pain) const; + void selGet(MathArray & ar); /// - void handleFont(MathTextCodes t); + void drawSelection(MathPainterInfo & pain) 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(); - /// - MathTextCodes getLastCode() const; + /// 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"; } /// void pullArg(bool goright); /// bool isInside(MathInset const *) const; /// - MathTextCodes nextCode() const; - /// char valign() const; /// char halign() const; /// - col_type col() const; + col_type hullCol() const; + /// + row_type hullRow() const; /// - row_type row() const; + col_type gridCol() const; + /// + row_type gridRow() const; - /// Make sure cursor position is valid - void normalize() const; + /// make sure cursor position is valid + void normalize(); + /// mark current cursor trace for redraw + void touch(); + /// + UpdatableInset * asHyperActiveInset() const; - /// enter a MathInset + /// enter a MathInset void push(MathAtom & par); /// enter a MathInset from the front void pushLeft(MathAtom & par); @@ -229,70 +233,93 @@ public: /// returns the normalized anchor of the selection MathCursorPos normalAnchor() const; - /// path of positions the cursor had to go if it were leving each inset - std::vector Cursor_; - /// path of positions the anchor had to go if it were leving each inset - std::vector 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; + /// how deep are we nested? + unsigned depth() 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); + /// + void insert(char c); + /// + void insert(string const & str); + /// lock/unlock inset + void insetToggle(); + + /// hack for reveal codes + void markInsert(); + void markErase(); + void handleExtern(string const & arg); /// friend class Selection; + private: - /// moves cursor position one cell to the left - bool posLeft(); - /// moves cursor position one cell to the right - bool posRight(); /// moves cursor index one cell to the left 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 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(); /// string macroName() const; /// - int macroNamePos() const; - /// - void insert(char, MathTextCodes t); - /// can we enter the inset? + MathInset::difference_type macroNamePos() const; + /// 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(); - /// x-offset of current cell relative to par xo - int cellXOffset() const; - /// y-offset of current cell relative to par yo - int cellYOffset() const; - /// current x position relative to par xo - int xpos() const; - /// current y position relative to par yo - int ypos() const; - /// adjust position in current cell according to x. idx is not changed. - void gotoX(int x); - /// - InsetFormulaBase * const formula_; - /// - MathTextCodes lastcode_; + /// 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;