// -*- C++ -*- /** * \file InsetMathNest.h * This file is part of LyX, the document processor. * Licence details can be found in the file COPYING. * * \author André Pönitz * * Full author contact details are available in file CREDITS. */ #ifndef MATH_NESTINSET_H #define MATH_NESTINSET_H #include "InsetMath.h" #include "MathData.h" #include namespace lyx { /** Abstract base class for all math objects that contain nested items. This is basically everything that is not a single character or a single symbol. */ class InsetMathNest : public InsetMath { public: /// nestinsets have a fixed size to start with InsetMathNest(Buffer * buf, idx_type ncells); /// virtual ~InsetMathNest(); /// void setBuffer(Buffer &) override; /// Update the cells metrics void cellsMetrics(MetricsInfo const & mi) const; /// draw background if locked void draw(PainterInfo & pi, int x, int y) const override; /// void updateBuffer(ParIterator const &, UpdateType, bool const deleted = false) override; /// identifies NestInsets InsetMathNest * asNestInset() override { return this; } /// identifies NestInsets InsetMathNest const * asNestInset() const override { return this; } /// get cursor position void cursorPos(BufferView const & bv, CursorSlice const & sl, bool boundary, int & x, int & y) const override; /// void edit(Cursor & cur, bool front, EntryDirection entry_from = ENTRY_DIRECTION_IGNORE) override; /// Inset * editXY(Cursor & cur, int x, int y) override; /// order of movement through the cells when moving backwards bool idxBackward(Cursor &) const override; /// order of movement through the cells when moving forward bool idxForward(Cursor &) const override; /// move to next cell bool idxNext(Cursor &) const override; /// move to previous cell bool idxPrev(Cursor &) const override; // The index of the cell entered while moving forward virtual idx_type firstIdx() const { return 0; } // The index of the cell entered while moving backward virtual idx_type lastIdx() const { return nargs() - 1; } /// target pos when we enter the inset while moving forward bool idxFirst(Cursor &) const override; /// target pos when we enter the inset while moving backwards bool idxLast(Cursor &) const override; /// number of cells currently governed by us idx_type nargs() const override; /// access to the lock bool lock() const override; /// access to the lock void lock(bool) override; /// get notification when the cursor leaves this inset bool notifyCursorLeaves(Cursor const & old, Cursor & cur) override; //@{ /// direct access to the cell. /// Inlined because of performance reasons. MathData & cell(idx_type i) override { return cells_[i]; } MathData const & cell(idx_type i) const override { return cells_[i]; } //@} /// can we move into this cell (see macroarg.h) bool isActive() const override; /// request "external features" void validate(LaTeXFeatures & features) const override; /// replace in all cells void replace(ReplaceData &) override; /// do we contain a given pattern? bool contains(MathData const &) const override; /// glue everything to a single cell MathData glue() const; /// debug helper void dump() const override; /// writes \\, name(), and args in braces and '\\lyxlock' if necessary void write(WriteStream & os) const override; /// writes [, name(), and args in [] void normalize(NormalStream & os) const override; /// void latex(otexstream & os, OutputParams const & runparams) const override; /// bool setMouseHover(BufferView const * bv, bool mouse_hover) const override; /// bool mouseHovered(BufferView const * bv) const override { return mouse_hover_[bv]; } /// bool completionSupported(Cursor const &) const override; /// bool inlineCompletionSupported(Cursor const & cur) const override; /// bool automaticInlineCompletion() const override; /// bool automaticPopupCompletion() const override; /// CompletionList const * createCompletionList(Cursor const & cur) const override; /// docstring completionPrefix(Cursor const & cur) const override; /// bool insertCompletion(Cursor & cur, docstring const & s, bool finished) override; /// void completionPosAndDim(Cursor const &, int & x, int & y, Dimension & dim) const override; /// InsetCode lyxCode() const override { return MATH_NEST_CODE; } /// bool confirmDeletion() const override { return nargs() > 0; } protected: /// InsetMathNest(InsetMathNest const & inset); /// InsetMathNest & operator=(InsetMathNest const &); /// void doDispatch(Cursor & cur, FuncRequest & cmd) override; /// do we want to handle this event? bool getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus & status) const override; /// void handleFont(Cursor & cur, docstring const & arg, docstring const & font); void handleFont(Cursor & cur, docstring const & arg, char const * const font); /// void handleFont2(Cursor & cur, docstring const & arg); /// Grab and erase selection and insert the InsetMathNest atom in every /// previously selected cell, insert the grabbed former data and \c arg /// in the first cell of the inserted atom. void handleNest(Cursor & cur, MathAtom const & nest); void handleNest(Cursor & cur, MathAtom const & nest, docstring const & arg); /// interpret \p c and insert the result at the current position of /// of \p cur. Return whether the cursor should stay in the formula. bool interpretChar(Cursor & cur, char_type c); /// bool script(Cursor & cur, bool); bool script(Cursor & cur, bool, docstring const & save_selection); public: /// interpret \p str and insert the result at the current position of /// \p cur if it is something known. Return whether \p cur was /// inserted. Handles undo. virtual bool interpretString(Cursor & cur, docstring const & str); private: /// lfun handler void lfunMousePress(Cursor &, FuncRequest &); /// void lfunMouseRelease(Cursor &, FuncRequest &); /// void lfunMouseMotion(Cursor &, FuncRequest &); /// Find a macro to fold or unfold, starting at searchCur and searchCur.nextInset() pointing to a macro /// afterwards if found bool findMacroToFoldUnfold(Cursor & searchCur, bool fold) const; /// move cursor forward bool cursorMathForward(Cursor & cur, bool enter = true); /// move cursor backwards bool cursorMathBackward(Cursor & cur, bool enter = true); protected: /// we store the cells in a vector typedef std::vector cells_type; /// thusly: cells_type cells_; /// if the inset is locked, it can't be entered with the cursor bool lock_; /// mutable std::map mouse_hover_; }; } // namespace lyx #endif