* add PreBabelPreamble to Language definition (fixes #4786).

[lyx.git] / src / Row.cpp

diff --git a/src/Row.cpp b/src/Row.cpp
index 3bf393b7cefe2ea24e621eab8581aca6dea3633d..66b1726d89bd04e09af044f9977cd945e755803e 100644 (file)
--- a/src/Row.cpp
+++ b/src/Row.cpp
@@ -4,10 +4,10 @@
  * Licence details can be found in the file COPYING.
  *
  * \author unknown
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
  * \author John Levon
- * \author André Pönitz
- * \author Jürgen Vigna
+ * \author André Pönitz
+ * \author Jürgen Vigna
  *
  * Full author contact details are available in file CREDITS.
  *
@@ -17,34 +17,32 @@
 #include <config.h>
 
 #include "Row.h"
-#include "debug.h"
 
+#include "DocIterator.h"
 
-namespace lyx {
+#include "support/debug.h"
 
 
-Row::Row()
-       : changed_(false), crc_(0), pos_(0), end_(0), separator(0), hfill(0),
-       label_hfill(0), x(0)
-{}
+namespace lyx {
 
 
-Row::Row(pos_type pos)
-       : changed_(false), crc_(0), pos_(pos), end_(0), separator(0), hfill(0),
-       label_hfill(0), x(0)
+Row::Row()
+       : separator(0), label_hfill(0), x(0),
+       sel_beg(-1), sel_end(-1),
+       begin_margin_sel(false), end_margin_sel(false), 
+       changed_(false), crc_(0), pos_(0), end_(0)
 {}
 
 
-void Row::setCrc(size_type crc)
+void Row::setCrc(size_type crc) const
 {
-       changed_ |= crc != crc_;
+       changed_ = crc != crc_;
        crc_ = crc;
 }
 
 
 void Row::setDimension(Dimension const & dim)
 {
-       changed_ |= dim != dim_;
        dim_ = dim;
 }
 
@@ -61,13 +59,76 @@ void Row::endpos(pos_type p)
 }
 
 
-void Row::dump(const char * s) const
+bool Row::isMarginSelected(bool left_margin, DocIterator const & beg,
+               DocIterator const & end) const
+{
+       pos_type const sel_pos = left_margin ? sel_beg : sel_end;
+       pos_type const margin_pos = left_margin ? pos_ : end_;
+
+       // Is the chosen margin selected ?
+       if (sel_pos == margin_pos) {
+               if (beg.pos() == end.pos())
+                       // This is a special case in which the space between after 
+                       // pos i-1 and before pos i is selected, i.e. the margins
+                       // (see DocIterator::boundary_).
+                       return beg.boundary() && !end.boundary();
+               else if (end.pos() == margin_pos)
+                       // If the selection ends around the margin, it is only
+                       // drawn if the cursor is after the margin.
+                       return !end.boundary();
+               else if (beg.pos() == margin_pos)
+                       // If the selection begins around the margin, it is 
+                       // only drawn if the cursor is before the margin.
+                       return beg.boundary();
+               else 
+                       return true;
+       }
+       return false;
+}
+
+
+void Row::setSelectionAndMargins(DocIterator const & beg, 
+               DocIterator const & end) const
+{
+       setSelection(beg.pos(), end.pos());
+       
+       if (selection()) {
+               end_margin_sel = isMarginSelected(false, beg, end);
+               begin_margin_sel = isMarginSelected(true, beg, end);
+       }
+}
+
+
+void Row::setSelection(pos_type beg, pos_type end) const
+{
+       if (pos_ >= beg && pos_ <= end)
+               sel_beg = pos_;
+       else if (beg > pos_ && beg <= end_)
+               sel_beg = beg;
+       else
+               sel_beg = -1;
+
+       if (end_ >= beg && end_ <= end)
+               sel_end = end_;
+       else if (end < end_ && end >= pos_)
+               sel_end = end;
+       else
+               sel_end = -1;
+}
+
+
+bool Row::selection() const
+{
+       return sel_beg != -1 && sel_end != -1;
+}
+
+
+void Row::dump(char const * s) const
 {
-       lyxerr << s << " pos: " << pos_ << " end: " << end_
+       LYXERR0(s << " pos: " << pos_ << " end: " << end_
                << " width: " << dim_.wid
                << " ascent: " << dim_.asc
-               << " descent: " << dim_.des
-               << std::endl;
+               << " descent: " << dim_.des);
 }