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diff -up fltk-1.3.0r9619/FL/Fl.H.screen_num fltk-1.3.0r9619/FL/Fl.H
--- fltk-1.3.0r9619/FL/Fl.H.screen_num	2012-07-03 13:49:28.663085580 +0200
+++ fltk-1.3.0r9619/FL/Fl.H	2012-07-03 13:49:28.731084402 +0200
@@ -806,6 +806,8 @@ public:
   static void screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my);
   static void screen_xywh(int &X, int &Y, int &W, int &H, int n); 
   static void screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my, int mw, int mh);
+  static int screen_num(int x, int y);
+  static int screen_num(int x, int y, int w, int h);
   static void screen_dpi(float &h, float &v, int n=0);
   static void screen_work_area(int &X, int &Y, int &W, int &H, int mx, int my);
   static void screen_work_area(int &X, int &Y, int &W, int &H, int n);
diff -up fltk-1.3.0r9619/src/screen_xywh.cxx.screen_num fltk-1.3.0r9619/src/screen_xywh.cxx
--- fltk-1.3.0r9619/src/screen_xywh.cxx.screen_num	2012-03-23 17:47:53.000000000 +0100
+++ fltk-1.3.0r9619/src/screen_xywh.cxx	2012-07-03 13:58:01.947195396 +0200
@@ -215,21 +215,6 @@ int Fl::screen_count() {
   return num_screens ? num_screens : 1;
 }
 
-static int find_screen_with_point(int mx, int my) {
-  int screen = 0;
-  if (num_screens < 0) screen_init();
-  
-  for (int i = 0; i < num_screens; i ++) {
-    int sx, sy, sw, sh;
-    Fl::screen_xywh(sx, sy, sw, sh, i);
-    if ((mx >= sx) && (mx < (sx+sw)) && (my >= sy) && (my < (sy+sh))) {
-      screen = i;
-      break;
-    }
-  }
-  return screen;
-}
-
 /**
   Gets the bounding box of a screen
   that contains the specified screen position \p mx, \p my
@@ -237,7 +222,7 @@ static int find_screen_with_point(int mx
   \param[in] mx, my the absolute screen position
 */
 void Fl::screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my) {
-  screen_xywh(X, Y, W, H, find_screen_with_point(mx, my));
+  screen_xywh(X, Y, W, H, screen_num(mx, my));
 }
 
 
@@ -248,7 +233,7 @@ void Fl::screen_xywh(int &X, int &Y, int
  \param[in] mx, my the absolute screen position
  */
 void Fl::screen_work_area(int &X, int &Y, int &W, int &H, int mx, int my) {
-  screen_work_area(X, Y, W, H, find_screen_with_point(mx, my));
+  screen_work_area(X, Y, W, H, screen_num(mx, my));
 }
 
 /**
@@ -321,6 +306,38 @@ void Fl::screen_xywh(int &X, int &Y, int
 #endif // WIN32
 }
 
+/**
+  Gets the screen bounding rect for the screen
+  which intersects the most with the rectangle
+  defined by \p mx, \p my, \p mw, \p mh.
+  \param[out]  X,Y,W,H the corresponding screen bounding box
+  \param[in] mx, my, mw, mh the rectangle to search for intersection with
+  \see void screen_xywh(int &X, int &Y, int &W, int &H, int n)
+  */
+void Fl::screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my, int mw, int mh) {
+  screen_xywh(X, Y, W, H, screen_num(mx, my, mw, mh));
+}
+
+/**
+  Gets the screen number of a screen
+  that contains the specified screen position \p x, \p y
+  \param[in] x, y the absolute screen position
+*/
+int Fl::screen_num(int x, int y) {
+  int screen = 0;
+  if (num_screens < 0) screen_init();
+  
+  for (int i = 0; i < num_screens; i ++) {
+    int sx, sy, sw, sh;
+    Fl::screen_xywh(sx, sy, sw, sh, i);
+    if ((x >= sx) && (x < (sx+sw)) && (y >= sy) && (y < (sy+sh))) {
+      screen = i;
+      break;
+    }
+  }
+  return screen;
+}
+
 static inline float fl_intersection(int x1, int y1, int w1, int h1,
                         int x2, int y2, int w2, int h2) {
   if(x1+w1 < x2 || x2+w2 < x1 || y1+h1 < y2 || y2+h2 < y1)
@@ -333,30 +350,27 @@ static inline float fl_intersection(int
 }
 
 /**
-  Gets the screen bounding rect for the screen
+  Gets the screen number for the screen
   which intersects the most with the rectangle
-  defined by \p mx, \p my, \p mw, \p mh.
-  \param[out]  X,Y,W,H the corresponding screen bounding box
-  \param[in] mx, my, mw, mh the rectangle to search for intersection with
-  \see void screen_xywh(int &X, int &Y, int &W, int &H, int n)
+  defined by \p x, \p y, \p w, \p h.
+  \param[in] x, y, w, h the rectangle to search for intersection with
   */
-void Fl::screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my, int mw, int mh) {
+int Fl::screen_num(int x, int y, int w, int h) {
   int best_screen = 0;
   float best_intersection = 0.;
   for(int i = 0; i < Fl::screen_count(); i++) {
     int sx, sy, sw, sh;
     Fl::screen_xywh(sx, sy, sw, sh, i);
-    float sintersection = fl_intersection(mx, my, mw, mh, sx, sy, sw, sh);
+    float sintersection = fl_intersection(x, y, w, h, sx, sy, sw, sh);
     if(sintersection > best_intersection) {
       best_screen = i;
       best_intersection = sintersection;
     }
   }
-  screen_xywh(X, Y, W, H, best_screen);
+  return best_screen;
 }
 
 
-
 /**
  Gets the screen resolution in dots-per-inch for the given screen.
  \param[out]  h, v  horizontal and vertical resolution