X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxrow.h;h=652366abcf4657dfda909758363ef971fb932f74;hb=35204f8f33d7400a5fefeffea533fb4cb4097211;hp=64089fc711991ca6d840590817cb21e470351203;hpb=27de1486ca34aaad446adb798d71a77d6f6304da;p=lyx.git

diff --git a/src/lyxrow.h b/src/lyxrow.h
index 64089fc711..652366abcf 100644
--- a/src/lyxrow.h
+++ b/src/lyxrow.h
@@ -1,41 +1,90 @@
 // -*- C++ -*-
-/* This file is part of
- * ======================================================
- * 
- *           LyX, The Document Processor
- * 	 
- *	    Copyright (C) 1995 Matthias Ettrich
+/**
+ * \file lyxrow.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *======================================================*/
+ * \author Matthias Ettrich
+ * \author Lars Gullik Bjønnes
+ *
+ * Full author contact details are available in file CREDITS.
+ *
+ * Metrics for an on-screen text row.
+ */
+
+#ifndef LYXROW_H
+#define LYXROW_H
 
-#ifndef _LYXROW_H
-#define _LYXROW_H
+#include "support/types.h"
 
-//#include "lyxparagraph.h"
 
-class LyXParagraph;
+namespace lyx {
 
-///
-struct Row {
+/**
+ * An on-screen row of text. A paragraph is broken into a
+ * RowList for display. Each Row contains position pointers
+ * into the first and last character positions of that row.
+ */
+class Row {
+public:
+	///
+	Row();
+	///
+	Row(pos_type pos);
+	///
+	void pos(pos_type p);
+	///
+	pos_type pos() const;
+	///
+	void endpos(pos_type p);
+	///
+	pos_type endpos() const;
 	///
-	LyXParagraph *par;
+	int height() const { return ascent_ + descent_; }
 	///
-	int pos;
+	void width(int w);
 	///
-	unsigned short  baseline;
+	int width() const;
 	///
-	/** what is missing to a full row can be negative.
-	  Needed for hfills, flushright, block etc. */
-	int fill;
+	void ascent(int b);
 	///
-	unsigned short  height;
+	int ascent() const;
 	///
-	unsigned short ascent_of_text;
-	
+	void descent(int b) { descent_ = b; }
 	///
-	Row* next;
+	int descent() const { return descent_; }
+	/// current debugging only
+	void dump(const char * = "") const;
+
+private:
+	/// first pos covered by this row
+	pos_type pos_;
+	/// one behind last pos covered by this row
+	pos_type end_;
+	///
+	int ascent_;
+	///
+	int descent_;
 	///
-	Row* previous;
+	int width_;
 };
 
+
+class RowMetrics {
+public:
+	RowMetrics();
+	/// width of a separator (i.e. space)
+	double separator;
+	/// width of hfills in the body
+	double hfill;
+	/// width of hfills in the label
+	double label_hfill;
+	/// the x position of the row
+	double x;
+};
+
+
+
+} // namespace lyx
+
 #endif