* QPrefsDialog::QPrefsDialog():

[lyx.git] / src / lyxlength.h

diff --git a/src/lyxlength.h b/src/lyxlength.h
index 93272d7429cb5e59ae3480d2604d6c207f2023ef..c0c658d6931c3032272171ec4f712711052db882 100644 (file)
--- a/src/lyxlength.h
+++ b/src/lyxlength.h
@@ -1,21 +1,30 @@
 // -*- C++ -*-
 /**
  * \file lyxlength.h
- * Copyright 1995-2002 the LyX Team
- * Read the file COPYING
+ * 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
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ *
+ * Full author contact details are available in file CREDITS.
  */
 
-
 #ifndef LYX_LENGTH_H
 #define LYX_LENGTH_H
 
-#ifdef __GNUG__
-#pragma interface
+#include <string>
+
+// Solaris/x86 version 9 and earlier define these
+#ifdef PC
+#  undef PC
+#endif
+#ifdef SP
+#  undef SP
 #endif
 
-#include "LString.h"
 
 /**
  * LyXLength - Represents latex length measurement
@@ -51,7 +60,13 @@ public:
        LyXLength(double v, LyXLength::UNIT u);
 
        /// "data" must be a decimal number, followed by a unit
-       explicit LyXLength(string const & data);
+       explicit LyXLength(std::string const & data);
+
+       void swap(LyXLength & rhs)
+       {
+               std::swap(val_, rhs.val_);
+               std::swap(unit_, rhs.unit_);
+       }
 
        ///
        double value() const;
@@ -63,18 +78,18 @@ public:
        void unit(LyXLength::UNIT unit);
        ///
        bool zero() const;
+       ///
+       bool empty() const;
        /// return string representation
-       string const asString() const;
+       std::string const asString() const;
        /// return string representation for LaTeX
-       string const asLatexString() const;
+       std::string const asLatexString() const;
        /// return the on-screen size of this length
-       int inPixels(int default_width, int default_height) const;
+       int inPixels(int text_width, int em_width = 0) const;
        /// return the on-screen size of this length of an image
        int inBP() const;
 
-       /** If "data" is valid, the length represented by it is
-         stored into "result", if that is not 0. */
-       friend bool isValidLength(string const & data, LyXLength * result = 0);
+       friend bool isValidLength(std::string const & data, LyXLength * result);
 
 private:
        ///
@@ -87,8 +102,9 @@ private:
 bool operator==(LyXLength const & l1, LyXLength const & l2);
 ///
 bool operator!=(LyXLength const & l1, LyXLength const & l2);
-///
-bool isValidLength(string const & data, LyXLength * result);
+/** If "data" is valid, the length represented by it is
+    stored into "result", if that is not 0. */
+bool isValidLength(std::string const & data, LyXLength * result = 0);
 /// return the name of the given unit number
 char const * stringFromUnit(int unit);