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de6418f377
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15462 a592a061-630c-0410-9148-cb99ea01b6c8
150 lines
4.2 KiB
C++
150 lines
4.2 KiB
C++
// -*- C++ -*-
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/**
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* \file InsetMathNest.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef MATH_NESTINSET_H
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#define MATH_NESTINSET_H
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#include "InsetMathDim.h"
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namespace lyx {
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/** Abstract base class for all math objects that contain nested items.
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This is basically everything that is not a single character or a
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single symbol.
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*/
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class InsetMathNest : public InsetMathDim {
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public:
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/// nestinsets have a fixed size to start with
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explicit InsetMathNest(idx_type ncells);
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/// the size is usually some sort of convex hull of the cells
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/// hides inset::metrics() intentionally!
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void metrics(MetricsInfo const & mi) const;
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/// draw background if locked
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void draw(PainterInfo & pi, int x, int y) const;
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/// draw selection background
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void drawSelection(PainterInfo & pi, int x, int y) const;
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/// identifies NestInsets
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InsetMathNest * asNestInset() { return this; }
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/// identifies NestInsets
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InsetMathNest const * asNestInset() const { return this; }
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/// get cursor position
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void cursorPos(BufferView const & bv, CursorSlice const & sl,
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bool boundary, int & x, int & y) const;
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///
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void edit(LCursor & cur, bool left);
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///
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InsetBase * editXY(LCursor & cur, int x, int y);
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/// order of movement through the cells when pressing the left key
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bool idxLeft(LCursor &) const;
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/// order of movement through the cells when pressing the right key
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bool idxRight(LCursor &) const;
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/// move one physical cell up
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bool idxNext(LCursor &) const;
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/// move one physical cell down
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bool idxPrev(LCursor &) const;
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/// target pos when we enter the inset from the left by pressing "Right"
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bool idxFirst(LCursor &) const;
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/// target pos when we enter the inset from the right by pressing "Left"
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bool idxLast(LCursor &) const;
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/// number of cells currently governed by us
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idx_type nargs() const;
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/// access to the lock
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bool lock() const;
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/// access to the lock
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void lock(bool);
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/// get notification when the cursor leaves this inset
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bool notifyCursorLeaves(LCursor & cur);
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/// direct access to the cell
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MathArray & cell(idx_type);
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/// direct access to the cell
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MathArray const & cell(idx_type) const;
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/// can we move into this cell (see macroarg.h)
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bool isActive() const;
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/// request "external features"
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void validate(LaTeXFeatures & features) const;
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/// replace in all cells
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void replace(ReplaceData &);
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/// do we contain a given pattern?
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bool contains(MathArray const &) const;
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/// glue everything to a single cell
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MathArray glue() const;
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/// debug helper
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void dump() const;
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/// writes \\, name(), and args in braces and '\\lyxlock' if necessary
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void write(WriteStream & os) const;
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/// writes [, name(), and args in []
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void normalize(NormalStream & os) const;
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///
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int latex(Buffer const &, odocstream & os,
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OutputParams const & runparams) const;
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protected:
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///
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virtual void doDispatch(LCursor & cur, FuncRequest & cmd);
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/// do we want to handle this event?
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bool getStatus(LCursor & cur, FuncRequest const & cmd,
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FuncStatus & status) const;
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///
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void handleFont(LCursor & cur,
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docstring const & arg, docstring const & font);
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void handleFont(LCursor & cur,
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docstring const & arg, char const * const font);
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///
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void handleFont2(LCursor & cur, docstring const & arg);
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/// interpret \p c and insert the result at the current position of
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/// of \p cur. Return whether the cursor should stay in the formula.
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bool interpretChar(LCursor & cur, char_type c);
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///
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bool script(LCursor & cur, bool,
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docstring const & save_selection = docstring());
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public:
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/// interpret \p str and insert the result at the current position of
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/// \p cur if it is something known. Return whether \p cur was
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/// inserted.
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bool interpretString(LCursor & cur, docstring const & str);
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private:
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/// lfun handler
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void lfunMousePress(LCursor &, FuncRequest &);
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///
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void lfunMouseRelease(LCursor &, FuncRequest &);
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///
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void lfunMouseMotion(LCursor &, FuncRequest &);
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protected:
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/// we store the cells in a vector
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typedef std::vector<MathArray> cells_type;
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/// thusly:
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cells_type cells_;
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/// if the inset is locked, it can't be entered with the cursor
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bool lock_;
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};
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} // namespace lyx
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#endif
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