X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fbox.h;h=6ba0997205e7893af0c5b290059b917a7dd0c857;hb=bc3e15c4c865a6b23e1e9efeca440784ff31e547;hp=a42a1b84c6768f4e6d6c8a140655f67d8d793730;hpb=1070702ea46b36ec5016bad2fe97649cec5e6148;p=lyx.git

diff --git a/src/box.h b/src/box.h
index a42a1b84c6..6ba0997205 100644
--- a/src/box.h
+++ b/src/box.h
@@ -1,3 +1,4 @@
+// -*- C++ -*-
 /**
  * \file box.h
  * Copyright 2001 the LyX Team
@@ -9,31 +10,34 @@
 #ifndef BOX_H
 #define BOX_H
 
+#include <iosfwd>
+
 /**
  * A simple class representing rectangular regions.
  * It is expected that the box be constructed in
  * normalised form, that is to say : x1,y1 is top-left,
  * x2,y2 is bottom-right.
+ *
+ * Negative values are allowed.
  */
 struct Box {
-	unsigned int x1;
-	unsigned int x2;
-	unsigned int y1;
-	unsigned int y2;
+	int x1;
+	int x2;
+	int y1;
+	int y2;
 
-	Box(unsigned int x1_, unsigned int x2_,
-		unsigned int y1_, unsigned int y2_) :
-		x1(x1_), x2(x2_), y1(y1_), y2(y2_) {}
+	/// Initialise the member variables.
+	Box(int x1_, int x2_, int y1_, int y2_);
 
 	/**
 	 * Returns true if the given co-ordinates are within
 	 * the box. Check is exclusive (point on a border
 	 * returns false).
 	 */
-	bool contained(unsigned int x, unsigned int y) {
-		return (x1 < x && x2 > x &&
-			y1 < y && y2 > y);
-	}
+	bool contained(int x, int y);
 };
- 
+
+
+std::ostream & operator<<(std::ostream &, Box const &);
+
 #endif // BOX_H