X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flyxlength.C;h=c38e7a33729300a0e59ae5ecafa17f3faedb16a1;hb=c544107e324090c6eafb4c56749da2624b9b1122;hp=2e16c84ed3ea28f122cd381397dfbcd31f59d159;hpb=6a1167adab9c33e0800cf1e7b314344a21cf93fe;p=lyx.git

diff --git a/src/lyxlength.C b/src/lyxlength.C
index 2e16c84ed3..c38e7a3372 100644
--- a/src/lyxlength.C
+++ b/src/lyxlength.C
@@ -10,10 +10,6 @@
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "lyxlength.h"
 #include "lengthcommon.h"
 #include "lyxrc.h"
@@ -27,7 +23,7 @@
 using std::abs;
 
 LyXLength::LyXLength()
-	: val_(0), unit_(LyXLength::PT)
+	: val_(0), unit_(LyXLength::UNIT_NONE)
 {}
 
 
@@ -62,27 +58,27 @@ string const LyXLength::asLatexString() const
 	ostringstream buffer;
 	switch (unit_) {
 	case PTW:
-	    buffer << abs(static_cast<int>(val_/100)) << "."
+	    buffer << abs(static_cast<int>(val_/100)) << '.'
 		   << abs(static_cast<int>(val_)%100) << "\\textwidth";
 	    break;
 	case PCW:
-	    buffer << abs(static_cast<int>(val_/100)) << "."
+	    buffer << abs(static_cast<int>(val_/100)) << '.'
 		   << abs(static_cast<int>(val_)%100) << "\\columnwidth";
 	    break;
 	case PPW:
-	    buffer << abs(static_cast<int>(val_/100)) << "."
+	    buffer << abs(static_cast<int>(val_/100)) << '.'
 		   << abs(static_cast<int>(val_)%100) << "\\paperwidth";
 	    break;
 	case PLW:
-	    buffer << abs(static_cast<int>(val_/100)) << "."
+	    buffer << abs(static_cast<int>(val_/100)) << '.'
 		   << abs(static_cast<int>(val_)%100) << "\\linewidth";
 	    break;
 	case PPH:
-	    buffer << abs(static_cast<int>(val_/100)) << "."
+	    buffer << abs(static_cast<int>(val_/100)) << '.'
 		   << abs(static_cast<int>(val_)%100) << "\\paperheight";
 	    break;
 	case PTH:
-	    buffer << abs(static_cast<int>(val_/100)) << "."
+	    buffer << abs(static_cast<int>(val_/100)) << '.'
 		   << abs(static_cast<int>(val_)%100) << "\\textheight";
 	    break;
 	default:
@@ -123,6 +119,12 @@ bool LyXLength::zero() const
 }
 
 
+bool LyXLength::empty() const
+{
+	return unit_ == LyXLength::UNIT_NONE;
+}
+
+
 int LyXLength::inPixels(int text_width, int em_width_base) const
 {
 	// Zoom factor specified by user in percent