prepare re-enabling LaTeX feature validation

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2240 a592a061-630c-0410-9148-cb99ea01b6c8

src/mathed/array.C

@@ -339,3 +339,11 @@ void MathArray::WriteNormal(ostream & os) const
 	Write(os, true);
 }
 
+
+void MathArray::Validate(LaTeXFeatures & features) const
+{
+	for (int pos = 0; pos < size(); next(pos)) 
+		if (isInset(pos)) 
+			nextInset(pos)->Validate(features);
+}
+

src/mathed/array.h

@@ -26,6 +26,7 @@
 class MathInset;
 class MathMacro;
 class Painter;
+class LaTeXFeatures;
 
 #ifdef __GNUG__
 #pragma interface
@@ -116,6 +117,8 @@ public:
 	void Write(std::ostream &, bool) const;
 	///
 	void WriteNormal(std::ostream &) const;
+	///
+	void Validate(LaTeXFeatures &) const;
 private:
 	///
 	typedef std::vector<unsigned char>           buffer_type;

src/mathed/formula.C

@@ -123,6 +123,7 @@ void InsetFormula::draw(BufferView * bv, LyXFont const &,
 {
 	int x = int(xx) - 1;
 	y -= 2;
+
 	MathInset::workwidth = bv->workWidth();
 	Painter & pain = bv->painter();
 
@@ -130,22 +131,20 @@ void InsetFormula::draw(BufferView * bv, LyXFont const &,
 	int w = par()->width();
 	int h = par()->height();
 	int a = par()->ascent();
-	pain.fillRectangle(int(x), y - a, w, h, LColor::mathbg);
+	pain.fillRectangle(x, y - a, w, h, LColor::mathbg);
 
-	if (mathcursor) {
-		if (mathcursor->formula() == this) {
-			if (mathcursor->Selection()) {
-				int xp[10];
-				int yp[10];
-				int n;
-				mathcursor->SelGetArea(xp, yp, n);
-				pain.fillPolygon(xp, yp, n, LColor::selection);
-			}
-			pain.rectangle(int(x), y - a, w, h, LColor::mathframe);
+	if (mathcursor && mathcursor->formula() == this) {
+		if (mathcursor->Selection()) {
+			int xp[10];
+			int yp[10];
+			int n;
+			mathcursor->SelGetArea(xp, yp, n);
+			pain.fillPolygon(xp, yp, n, LColor::selection);
 		}
+		pain.rectangle(x, y - a, w, h, LColor::mathframe);
 	}
 
-	par()->draw(pain, int(x), y);
+	par()->draw(pain, x, y);
 	xx += par()->width();
 
 	setCursorVisible(false);

src/mathed/formulabase.C

@@ -573,14 +573,14 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 		break;
 
 	case LFUN_BACKSPACE:
-		if (!mathcursor->InMacroMode() && mathcursor->pos() == 0) {
+		// if (!mathcursor->InMacroMode() && mathcursor->pos() == 0)
+		if (mathcursor->pos() == 0) {
 			bv->lockedInsetStoreUndo(Undo::DELETE);
 			mathcursor->pullArg();
 			bv->updateInset(this, true);
 			break;
 		}
-		if (!mathcursor->Left())
-			break;
+		mathcursor->plainLeft();
 		// fall through...
 
 	case LFUN_DELETE:

src/mathed/math_cursor.C

@@ -153,6 +153,11 @@ bool MathCursor::isInside(MathInset * p) const
 }
 
 
+bool MathCursor::plainLeft()
+{
+	return array().prev(cursor_);
+}
+
 bool MathCursor::Left(bool sel)
 {
 	dump("Left 1");
@@ -165,8 +170,8 @@ bool MathCursor::Left(bool sel)
 			MacroModeClose();
 		return true;
 	}
-	clearLastCode();
 	SelHandle(sel);
+	clearLastCode();
 
 	bool result = false;
 
@@ -214,9 +219,8 @@ bool MathCursor::Right(bool sel)
 		MacroModeClose();
 		return true;
 	}
-
-	clearLastCode();
 	SelHandle(sel);
+	clearLastCode();
 
 	bool result = false;
 
@@ -322,9 +326,8 @@ void MathCursor::Home()
 	if (macro_mode)
 		MacroModeClose();
 	clearLastCode();
-	if (!par_->idxHome(idx_, cursor_)) {
+	if (!par_->idxHome(idx_, cursor_)) 
 		pop();
-	}
 	dump("Home 2");
 }
 

src/mathed/math_cursor.h

@@ -56,6 +56,8 @@ public:
 	/// Put the cursor in the last position
 	void last();
 	///
+	bool plainLeft();
+	///
 	bool plainRight();
 	///
 	void Delete();

src/mathed/math_inset.C

@@ -357,3 +357,9 @@ bool MathInset::covers(int x, int y) const
 		y >= yo_ - ascent_ &&
 		y <= yo_ + descent_;
 }
+
+void MathInset::Validate(LaTeXFeatures & features) const
+{
+	for (int i = 0; i < nargs(); ++i)
+		cell(i).Validate(features);
+}

src/mathed/math_inset.h

@@ -39,6 +39,8 @@
 */
 
 
+class LaTeXFeatures;
+
 class MathInset {
 public: 
 	/** A math inset has a name (usually its LaTeX name),
@@ -187,6 +189,8 @@ public:
 	void dump() const;
 
 	///
+	void Validate(LaTeXFeatures & features) const;
+
 	///
 	static int workwidth;
 protected:

src/mathed/math_macro.C

@@ -28,6 +28,7 @@
 #include "math_macrotable.h"
 #include "math_macrotemplate.h"
 #include "Painter.h"
+#include "LaTeXFeatures.h"
 
 using std::endl;
 
@@ -183,3 +184,11 @@ bool MathMacro::idxRight(int &, int &) const
 {
 	return false;
 }
+
+
+void MathMacro::Validate(LaTeXFeatures & features) const
+{
+	if (name_ == "binom")
+		features.binom = true;
+	MathInset::Validate(features);
+}

src/mathed/math_macro.h

@@ -62,6 +62,9 @@ public:
 	///
 	bool idxRight(int &, int &) const;
 
+	///
+	void Validate(LaTeXFeatures &) const;
+
 private:
 	///
 	MathMacroTemplate const * const tmplate_;

src/mathed/math_matrixinset.C

@@ -221,7 +221,7 @@ bool MathMatrixInset::numberedType() const
 }
 
 
-void MathMatrixInset::Validate(LaTeXFeatures & features)
+void MathMatrixInset::Validate(LaTeXFeatures & features) const
 {
 	features.amsstyle = ams();
 
@@ -230,40 +230,11 @@ void MathMatrixInset::Validate(LaTeXFeatures & features)
 	//if (features.amsstyle)
 	//  return;
 
-	//Validate1(features);
-
 	features.boldsymbol = true;
-	features.binom      = true;
-}
+	//features.binom      = true;
 
-/*
-void MathMatrixInset::Validate1(LaTeXFeatures & features)
-{
-	MathIter it(cell());
-
-	while (it.OK() && !(features.binom && features.boldsymbol)) {
-		MathInset * p = it.nextInset();
-		if (p) {
-			p = it.GetActiveInset();
-			if (p) {
-				if (!features.binom && p->GetType() == LM_OT_MACRO &&
-				    p->name() == "binom") {
-					features.binom = true;
-				} else {
-					for (int i = 0; i <= p->getMaxArgumentIdx(); ++i) {
-						p->setArgumentIdx(i);
-						Validate1(features, p);
-					}
-				}
-			} else {
-				if (!features.boldsymbol && p->name() == "boldsymbol") 
-					features.boldsymbol = true;
-			}
-		}
-		it.Next();
-	}
+	MathInset::Validate(features);
 }
-*/
 
 
 void MathMatrixInset::header_write(std::ostream & os) const

src/mathed/math_matrixinset.h

@@ -49,7 +49,7 @@ public:
 	///
 	std::vector<string> const getLabelList() const;
 	///
-	void Validate(LaTeXFeatures & features);
+	void Validate(LaTeXFeatures & features) const;
 
 	///
 	void addRow(int);