X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_nestinset.h;h=64caa87a8e1124ceae9228e63923affec1c66bbd;hb=c649284611c4198c9d70be8a16d153cdf1ec0700;hp=114b7994de7cd42b0e296579ffbef728b6c887b3;hpb=51e0c8bd1f265913a64fb46bc61fcfdb26f02303;p=lyx.git

diff --git a/src/mathed/math_nestinset.h b/src/mathed/math_nestinset.h
index 114b7994de..64caa87a8e 100644
--- a/src/mathed/math_nestinset.h
+++ b/src/mathed/math_nestinset.h
@@ -5,75 +5,94 @@
 #pragma interface
 #endif
 
-#include "math_inset.h"
+#include "math_diminset.h"
 
-/** Abstract base class for all math objects that conatin nested items.
+/** 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 LaTeXFeatures;
 
-class MathNestInset : public MathInset {
-public: 
-	///
-	explicit MathNestInset(int na = 0, string const & nm = string());
-
-	/// draw the object, sets xo_ and yo_ cached values 
-	virtual void draw(Painter &, int x, int baseline);
+class MathNestInset : public MathDimInset {
+public:
+	/// nestinsets have a fixed size to start with
+	explicit MathNestInset(idx_type ncells);
+
+	/// the size is usuall some sort of convex hull of the cells
+	void metrics(MathMetricsInfo const & mi) const;
+	/// draw background if locked
+	void draw(MathPainterInfo & pi, int x, int y) const;
+	/// draw angular markers
+	void drawMarkers(MathPainterInfo & pi, int x, int y) const;
 	/// appends itself with macro arguments substituted
-	virtual void substitute(MathArray & array, MathMacro const & macro) const;
-	/// compute the size of the object, sets ascend_, descend_ and width_
-	virtual void metrics(MathStyles st) = 0;
-
-	/// The left key
-	virtual bool idxLeft(int & idx, int & pos) const;
-	/// The right key
-	virtual bool idxRight(int & idx, int & pos) const;
-
-	/// Move one physical cell up
-	virtual bool idxNext(int & idx, int & pos) const;
-	/// Move one physical cell down
-	virtual bool idxPrev(int & idx, int & pos) const;
-
-	/// Target pos when we enter the inset from the left by pressing "Right"
-	virtual bool idxFirst(int & idx, int & pos) const;
-	/// Target pos when we enter the inset from the right by pressing "Left"
-	virtual bool idxLast(int & idx, int & pos) const;
-
-	/// Where should we go if we press home?
-	virtual bool idxHome(int & idx, int & pos) const;
-	/// Where should we go if we press end?
-	virtual bool idxEnd(int & idx, int & pos) const;
-
-	///
-	int nargs() const;
-
-	///
-	MathArray & cell(int);
-	///
-	MathArray const & cell(int) const;
-	///
-	MathXArray & xcell(int);
-	///
-	MathXArray const & xcell(int) const;
-			
-	///
-	bool isActive() const { return nargs() > 0; }
-	///
-	void push_back(MathInset *);
-	///
-	void push_back(unsigned char ch, MathTextCodes fcode);
-	///
-	void dump() const;
-
-	///
+	void substitute(MathMacro const & macro);
+	/// identifies NestInsets
+	MathNestInset * asNestInset() { return this; }
+
+	/// order of movement through the cells when pressing the left key
+	bool idxLeft(idx_type & idx, pos_type & pos) const;
+	/// order of movement through the cells when pressing the right key
+	bool idxRight(idx_type & idx, pos_type & pos) const;
+
+	/// move one physical cell up
+	bool idxNext(idx_type & idx, pos_type & pos) const;
+	/// move one physical cell down
+	bool idxPrev(idx_type & idx, pos_type & pos) const;
+
+	/// target pos when we enter the inset from the left by pressing "Right"
+	bool idxFirst(idx_type & idx, pos_type & pos) const;
+	/// target pos when we enter the inset from the right by pressing "Left"
+	bool idxLast(idx_type & idx, pos_type & pos) const;
+
+	/// where should we go if we press home?
+	bool idxHome(idx_type & idx, pos_type & pos) const;
+	/// where should we go if we press end?
+	bool idxEnd(idx_type & idx, pos_type & pos) const;
+
+	/// number of cells currently governed by us
+	idx_type nargs() const;
+	/// access to the lock
+	bool lock() const;
+	/// access to the lock
+	void lock(bool);
+
+	/// direct access to the cell
+	MathArray & cell(idx_type);
+	/// direct access to the cell
+	MathArray const & cell(idx_type) const;
+	/// direct access to the cell including the drawing cache
+	MathXArray & xcell(idx_type);
+	/// direct access to the cell including the drawing cache
+	MathXArray const & xcell(idx_type) const;
+
+	/// can we move into this cell (see macroarg.h)
+	bool isActive() const;
+	/// request "external features"
 	void validate(LaTeXFeatures & features) const;
 
+	/// match in all cells
+	bool match(MathInset *) const;
+	/// replace in all cells
+	void replace(ReplaceData &);
+	/// do we contain a given pattern?
+	bool contains(MathArray const &);
+	/// glue everything to a single cell
+	MathArray glue() const;
+
+	/// debug helper
+	void dump() const;
+	/// is the cursor currently somewhere within this inset?
+	virtual bool editing() const;
+
 protected:
-	///
+	/// we store the cells in a vector
 	typedef std::vector<MathXArray> cells_type;
-	/// The nested contents of the inset are contained here.
+	/// thusly:
 	cells_type cells_;
+	/// if the inset is locked, it can't be entered with the cursor
+	bool lock_;
 };
 
 #endif