Real fix from Bernhard Roider

[lyx.git] / src / Spacing.C

diff --git a/src/Spacing.C b/src/Spacing.C
index 9893f1a224e56343987eed56733d696483969782..35eecde79e0d2b268d4e26fdaa1ea6cb8f9ecb56 100644 (file)
--- a/src/Spacing.C
+++ b/src/Spacing.C
@@ -1,21 +1,135 @@
+/**
+ * \file Spacing.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
 #include <config.h>
 
-#include <stdio.h>
 #include "Spacing.h"
+#include "support/lstrings.h"
+#include "support/convert.h"
+
+#include <sstream>
+#include <string>
+
+
+namespace lyx {
+
+
+using std::ostream;
+using std::ostringstream;
+using std::string;
+
+
+string const Spacing::spacing_string[]
+       = {"single", "onehalf", "double", "other"};
+
 
-/// how can I put this inside of Spacing (class)
-static
-char const *spacing_string[] = {"single", "onehalf", "double", "other"};
+string const Spacing::getValueAsString() const
+{
+       switch (space) {
+       case Default: // nothing special should happen with this...
+       case Single: return "1.0";
+       case Onehalf: return "1.25";
+       case Double: return "1.667";
+       case Other: return value;
+       }
+       return "1.0";
+}
 
 
-void Spacing::writeFile(FILE *file)
+double Spacing::getValue() const
 {
+       return convert<double>(getValueAsString());
+}
+
+
+void Spacing::set(Spacing::Space sp, double val)
+{
+       set(sp, convert<string>(val));
+}
+
+
+void Spacing::set(Spacing::Space sp, string const & val)
+{
+       space = sp;
+       if (sp == Other) {
+               switch (int(convert<double>(val) * 1000 + 0.5)) {
+               case 1000:
+                       space = Single;
+                       break;
+               case 1250:
+                       space = Onehalf;
+                       break;
+               case 1667:
+                       space = Double;
+                       break;
+               default:
+                       value = val;
+                       break;
+               }
+       }
+}
+
+
+void Spacing::writeFile(ostream & os, bool para) const
+{
+       if (space == Default) return;
+
+       string cmd = para ? "\\paragraph_spacing " : "\\spacing ";
+
        if (getSpace() == Spacing::Other) {
-               fprintf(file, "\\spacing %s %.2f \n",
-                       spacing_string[getSpace()],
-                       getValue());
+               os << cmd << spacing_string[getSpace()]
+                  << ' ' << getValueAsString() << "\n";
        } else {
-               fprintf(file, "\\spacing %s \n",
-                       spacing_string[getSpace()]);
-       }       
+               os << cmd << spacing_string[getSpace()] << "\n";
+       }
 }
+
+
+string const Spacing::writeEnvirBegin() const
+{
+       switch (space) {
+       case Default: break; // do nothing
+       case Single:
+               return "\\begin{singlespace}";
+       case Onehalf:
+               return "\\begin{onehalfspace}";
+       case Double:
+               return "\\begin{doublespace}";
+       case Other:
+       {
+               ostringstream ost;
+               ost << "\\begin{spacing}{"
+                   << getValueAsString() << '}';
+               return ost.str();
+       }
+       }
+       return string();
+}
+
+
+string const Spacing::writeEnvirEnd() const
+{
+       switch (space) {
+       case Default: break; // do nothing
+       case Single:
+               return "\\end{singlespace}";
+       case Onehalf:
+               return "\\end{onehalfspace}";
+       case Double:
+               return "\\end{doublespace}";
+       case Other:
+               return "\\end{spacing}";
+       }
+       return string();
+}
+
+
+} // namespace lyx