Remove cached var from RenderPreview. Changes elsewhere to suit.

[lyx.git] / src / lyxrow.h

diff --git a/src/lyxrow.h b/src/lyxrow.h
index ac71a2d6615b6b56c1781d4bed02085b52d45103..d855d77e30942f745ed2698a2a20ac98c2084cfb 100644 (file)
--- a/src/lyxrow.h
+++ b/src/lyxrow.h
@@ -1,116 +1,98 @@
 // -*- C++ -*-
-/* This file is part of
- * ====================================================== 
- * 
- *           LyX, The Document Processor
- *      
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
+/**
+ * \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
 
-#ifdef __GNUG__
-#pragma interface
-#endif
-
 #include "support/types.h"
 
-class Paragraph;
-
 ///
 class Row {
 public:
        ///
        Row();
        ///
-       void par(Paragraph * p);
-       ///
-       Paragraph * par();
-       ///
-       Paragraph * par() const;
+       Row(lyx::pos_type pos);
        ///
        void pos(lyx::pos_type p);
        ///
        lyx::pos_type pos() const;
        ///
-       void fill(int f);
+       void endpos(lyx::pos_type p);
        ///
-       int fill() const;
+       lyx::pos_type endpos() const;
        ///
-       void height(unsigned short h);
+       void height(unsigned int h) { height_ = h; }
        ///
-       unsigned short height() const;
+       unsigned int height() const { return height_; }
        ///
        void width(unsigned int w);
        ///
        unsigned int width() const;
        ///
-       void ascent_of_text(unsigned short a);
+       void ascent_of_text(unsigned int a);
        ///
-       unsigned short ascent_of_text() const;
+       unsigned int ascent_of_text() const;
        ///
-       void baseline(unsigned int b);
-       ///
-       unsigned int baseline() const;
+       void top_of_text(unsigned int top);
        ///
-       void next(Row * r);
+       unsigned int top_of_text() const;
        ///
-       Row * next() const;
-       ///
-       void previous(Row * r);
+       void baseline(unsigned int b);
        ///
-       Row * previous() const;
+       unsigned int baseline() const;
+       /// return true if this row is the start of a paragraph
+       bool isParStart() const;
+       /// return the cached y position
+       unsigned int y_offset() const { return y_offset_; }
+       /// cache the y position
+       void y_offset(unsigned int newy) { y_offset_ = newy; }
+       /// current debugging only
+       void dump(const char * = "") const;
+
 private:
-       ///
-       Paragraph * par_;
-       ///
+       /// first pos covered by this row
        lyx::pos_type pos_;
-       /** what is missing to a full row can be negative.
-         Needed for hfills, flushright, block etc. */
-       mutable int fill_;
+       /// one behind last pos covered by this row
+       lyx::pos_type end_;
        ///
-       unsigned short height_;
+       unsigned int height_;
        ///
        unsigned int width_;
-       ///
+       /// cached y position
+       unsigned int y_offset_;
+       /// ascent from baseline including prelude space
        unsigned short ascent_of_text_;
+       /// the top of the real text in the row
+       unsigned int top_of_text_;
        ///
        unsigned int baseline_;
-       ///
-       Row * next_;
-       ///
-       Row * previous_;
 };
 
 
-inline
-Paragraph * Row::par()
-{
-       return par_;
-}
-
-
-inline
-Paragraph * Row::par() const
-{
-       return par_;
-}
-
-
-inline
-unsigned short Row::height() const
-{
-       return height_;
-}
-
+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;
+};
 
-inline
-Row * Row::next() const
-{
-       return next_;
-}
 
 #endif