X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FRow.h;h=7ae9c11b1e3850adc16ccaddf129edd7b382e5cd;hb=2de30c62f8d671a8c8d4d52a6a7310e2c5ca84de;hp=0bd4597746616ac5dd03fb3f2a6b57a226f933f4;hpb=1639abb8edaa492c649e69d093436f8a96f07bec;p=lyx.git

diff --git a/src/Row.h b/src/Row.h
index 0bd4597746..7ae9c11b1e 100644
--- a/src/Row.h
+++ b/src/Row.h
@@ -61,11 +61,22 @@ public:
 			: type(t), pos(p), endpos(p + 1), inset(0),
 			  extra(0), font(f), change(ch), final(false) {}
 
-		// Return total width of element, including separator overhead
-		double full_width() const { return dim.wid + extra * countSeparators(); }
 		// Return the number of separator in the element (only STRING type)
 		int countSeparators() const;
 
+		// Return total width of element, including separator overhead
+		// FIXME: Cache this value or the number of expanders?
+		double full_width() const { return dim.wid + extra * countExpanders(); }
+		// Return the number of expanding characters in the element (only STRING
+		// type).
+		int countExpanders() const;
+		// Return the amount of expansion: the number of expanding characters
+		// that get stretched during justification, times the em of the font
+		// (only STRING type).
+		int expansionAmount() const;
+		// set extra proportionally to the font em value.
+		void setExtra(double extra_per_em);
+
 		/** Return position in pixels (from the left) of position
 		 * \param i in the row element.
 		 */
@@ -181,8 +192,10 @@ public:
 
 	// Return the number of separators in the row
 	int countSeparators() const;
-	// Set the extra spacing for every separator in STRING elements
-	void setSeparatorExtraWidth(double w);
+	// Set the extra spacing for every expanding character in STRING-type
+	// elements.  \param w is the total amount of extra width for the row to be
+	// distributed among expanders.  \return false if the justification fails.
+	bool setExtraWidth(int w);
 
 	///
 	void add(pos_type pos, Inset const * ins, Dimension const & dim,